id	sid	tid	token	lemma	pos
39142	1	1	Illustration	illustration	NN
39142	1	2	:	:	:
39142	1	3	Photo	Photo	NNP
39142	1	4	,	,	,
39142	1	5	Mt.	Mount	NNP
39142	2	1	Wilson	Wilson	NNP
39142	2	2	Solar	Solar	NNP
39142	2	3	Observatory	Observatory	NNP
39142	2	4	_	_	NNP
39142	2	5	An	An	NNP
39142	2	6	Active	Active	NNP
39142	2	7	Prominence	Prominence	NNP
39142	2	8	of	of	IN
39142	2	9	the	the	DT
39142	2	10	Sun	Sun	NNP
39142	2	11	,	,	,
39142	2	12	140,000	140,000	CD
39142	2	13	Miles	Miles	NNP
39142	2	14	High	High	NNP
39142	2	15	,	,	,
39142	2	16	photographed	photograph	VBN
39142	2	17	July	July	NNP
39142	2	18	9	9	CD
39142	2	19	,	,	,
39142	2	20	1917	1917	CD
39142	2	21	.	.	.
39142	2	22	_	_	NNP
39142	2	23	]	]	-RRB-
39142	2	24	ASTRONOMY	ASTRONOMY	NNP
39142	2	25	THE	the	DT
39142	2	26	SCIENCE	SCIENCE	NNP
39142	2	27	OF	of	IN
39142	2	28	THE	the	DT
39142	2	29	HEAVENLY	HEAVENLY	NNP
39142	2	30	BODIES	body	NNS
39142	2	31	BY	by	IN
39142	2	32	DAVID	david	NN
39142	2	33	TODD	TODD	NNP
39142	2	34	DIRECTOR	DIRECTOR	NNP
39142	2	35	EMERITUS	emeritu	NNS
39142	2	36	,	,	,
39142	2	37	AMHERST	AMHERST	NNP
39142	2	38	COLLEGE	COLLEGE	NNP
39142	2	39	OBSERVATORY	OBSERVATORY	NNP
39142	2	40	[	[	-LRB-
39142	2	41	Illustration	illustration	NN
39142	2	42	:	:	:
39142	2	43	Harper	Harper	NNP
39142	2	44	&	&	CC
39142	2	45	Brothers	Brothers	NNP
39142	2	46	logo	logo	NN
39142	2	47	]	]	-RRB-
39142	2	48	NEW	NEW	NNP
39142	2	49	YORK	YORK	NNP
39142	2	50	AND	and	CC
39142	2	51	LONDON	LONDON	NNP
39142	2	52	HARPER	HARPER	NNP
39142	2	53	&	&	CC
39142	2	54	BROTHERS	BROTHERS	NNPS
39142	2	55	PUBLISHERS	publisher	NNS
39142	2	56	MCMXXII	mcmxxii	RB
39142	2	57	Copyright	copyright	NN
39142	2	58	1922	1922	CD
39142	2	59	BY	by	IN
39142	2	60	P.	P.	NNP
39142	2	61	F.	F.	NNP
39142	2	62	COLLIER	COLLIER	NNP
39142	2	63	&	&	CC
39142	2	64	SON	SON	NNP
39142	2	65	COMPANY	COMPANY	NNP
39142	2	66	Sir	Sir	NNP
39142	2	67	William	William	NNP
39142	2	68	Rowan	Rowan	NNP
39142	2	69	Hamilton	Hamilton	NNP
39142	2	70	,	,	,
39142	2	71	the	the	DT
39142	2	72	eminent	eminent	JJ
39142	2	73	mathematician	mathematician	NN
39142	2	74	of	of	IN
39142	2	75	Dublin	Dublin	NNP
39142	2	76	,	,	,
39142	2	77	has	have	VBZ
39142	2	78	,	,	,
39142	2	79	of	of	IN
39142	2	80	all	all	DT
39142	2	81	writers	writer	NNS
39142	2	82	ancient	ancient	JJ
39142	2	83	and	and	CC
39142	2	84	modern	modern	JJ
39142	2	85	,	,	,
39142	2	86	most	most	RBS
39142	2	87	fittingly	fittingly	RB
39142	2	88	characterized	characterize	VBD
39142	2	89	the	the	DT
39142	2	90	ideal	ideal	JJ
39142	2	91	science	science	NN
39142	2	92	of	of	IN
39142	2	93	astronomy	astronomy	NN
39142	2	94	as	as	IN
39142	2	95	man	man	NN
39142	2	96	's	's	POS
39142	2	97	golden	golden	JJ
39142	2	98	chain	chain	NN
39142	2	99	connecting	connect	VBG
39142	2	100	the	the	DT
39142	2	101	heavens	heavens	NNPS
39142	2	102	to	to	IN
39142	2	103	the	the	DT
39142	2	104	earth	earth	NN
39142	2	105	,	,	,
39142	2	106	by	by	IN
39142	2	107	which	which	WDT
39142	2	108	we	-PRON-	PRP
39142	2	109	"	"	``
39142	2	110	learn	learn	VBP
39142	2	111	the	the	DT
39142	2	112	language	language	NN
39142	2	113	and	and	CC
39142	2	114	interpret	interpret	VB
39142	2	115	the	the	DT
39142	2	116	oracles	oracle	NNS
39142	2	117	of	of	IN
39142	2	118	the	the	DT
39142	2	119	universe	universe	NN
39142	2	120	.	.	.
39142	2	121	"	"	''
39142	3	1	The	the	DT
39142	3	2	oldest	old	JJS
39142	3	3	of	of	IN
39142	3	4	the	the	DT
39142	3	5	sciences	science	NNS
39142	3	6	,	,	,
39142	3	7	astronomy	astronomy	NN
39142	3	8	is	be	VBZ
39142	3	9	also	also	RB
39142	3	10	the	the	DT
39142	3	11	broadest	broad	JJS
39142	3	12	in	in	IN
39142	3	13	its	-PRON-	PRP$
39142	3	14	relations	relation	NNS
39142	3	15	to	to	IN
39142	3	16	human	human	JJ
39142	3	17	knowledge	knowledge	NN
39142	3	18	and	and	CC
39142	3	19	the	the	DT
39142	3	20	interests	interest	NNS
39142	3	21	of	of	IN
39142	3	22	mankind	mankind	NN
39142	3	23	.	.	.
39142	4	1	Many	many	JJ
39142	4	2	are	be	VBP
39142	4	3	the	the	DT
39142	4	4	cognate	cognate	NN
39142	4	5	sciences	science	NNS
39142	4	6	upon	upon	IN
39142	4	7	which	which	WDT
39142	4	8	the	the	DT
39142	4	9	noble	noble	JJ
39142	4	10	structure	structure	NN
39142	4	11	of	of	IN
39142	4	12	astronomy	astronomy	NN
39142	4	13	has	have	VBZ
39142	4	14	been	be	VBN
39142	4	15	erected	erect	VBN
39142	4	16	:	:	:
39142	4	17	foremost	foremost	RB
39142	4	18	of	of	IN
39142	4	19	all	all	DT
39142	4	20	,	,	,
39142	4	21	geometry	geometry	NN
39142	4	22	and	and	CC
39142	4	23	the	the	DT
39142	4	24	higher	high	JJR
39142	4	25	mathematics	mathematic	NNS
39142	4	26	,	,	,
39142	4	27	which	which	WDT
39142	4	28	tell	tell	VBP
39142	4	29	us	-PRON-	PRP
39142	4	30	of	of	IN
39142	4	31	motions	motion	NNS
39142	4	32	,	,	,
39142	4	33	magnitudes	magnitude	NNS
39142	4	34	and	and	CC
39142	4	35	distances	distance	NNS
39142	4	36	;	;	:
39142	4	37	physics	physics	NN
39142	4	38	and	and	CC
39142	4	39	chemistry	chemistry	NN
39142	4	40	,	,	,
39142	4	41	of	of	IN
39142	4	42	the	the	DT
39142	4	43	origin	origin	NN
39142	4	44	,	,	,
39142	4	45	nature	nature	NN
39142	4	46	,	,	,
39142	4	47	and	and	CC
39142	4	48	destinies	destiny	NNS
39142	4	49	of	of	IN
39142	4	50	planets	planet	NNS
39142	4	51	,	,	,
39142	4	52	sun	sun	NN
39142	4	53	,	,	,
39142	4	54	and	and	CC
39142	4	55	star	star	NNP
39142	4	56	;	;	:
39142	4	57	meteorology	meteorology	NN
39142	4	58	,	,	,
39142	4	59	of	of	IN
39142	4	60	the	the	DT
39142	4	61	circulation	circulation	NN
39142	4	62	of	of	IN
39142	4	63	their	-PRON-	PRP$
39142	4	64	atmospheres	atmosphere	NNS
39142	4	65	;	;	:
39142	4	66	geology	geology	NN
39142	4	67	,	,	,
39142	4	68	of	of	IN
39142	4	69	the	the	DT
39142	4	70	structure	structure	NN
39142	4	71	of	of	IN
39142	4	72	the	the	DT
39142	4	73	moon	moon	NN
39142	4	74	's	's	POS
39142	4	75	surface	surface	NN
39142	4	76	;	;	:
39142	4	77	mineralogy	mineralogy	NN
39142	4	78	,	,	,
39142	4	79	of	of	IN
39142	4	80	the	the	DT
39142	4	81	constitution	constitution	NN
39142	4	82	of	of	IN
39142	4	83	meteorites	meteorite	NNS
39142	4	84	;	;	:
39142	4	85	while	while	IN
39142	4	86	,	,	,
39142	4	87	if	if	IN
39142	4	88	we	-PRON-	PRP
39142	4	89	attack	attack	VBP
39142	4	90	,	,	,
39142	4	91	even	even	RB
39142	4	92	elementally	elementally	RB
39142	4	93	,	,	,
39142	4	94	the	the	DT
39142	4	95	fascinating	fascinating	JJ
39142	4	96	,	,	,
39142	4	97	though	though	IN
39142	4	98	perhaps	perhaps	RB
39142	4	99	forever	forever	RB
39142	4	100	unsolvable	unsolvable	JJ
39142	4	101	,	,	,
39142	4	102	problem	problem	NN
39142	4	103	of	of	IN
39142	4	104	life	life	NN
39142	4	105	in	in	IN
39142	4	106	other	other	JJ
39142	4	107	worlds	world	NNS
39142	4	108	,	,	,
39142	4	109	the	the	DT
39142	4	110	astronomer	astronomer	NN
39142	4	111	must	must	MD
39142	4	112	invoke	invoke	VB
39142	4	113	all	all	PDT
39142	4	114	the	the	DT
39142	4	115	resources	resource	NNS
39142	4	116	that	that	WDT
39142	4	117	his	-PRON-	PRP$
39142	4	118	fellow	fellow	JJ
39142	4	119	biologists	biologist	NNS
39142	4	120	and	and	CC
39142	4	121	their	-PRON-	PRP$
39142	4	122	many	many	JJ
39142	4	123	-	-	HYPH
39142	4	124	sided	sided	JJ
39142	4	125	science	science	NN
39142	4	126	can	can	MD
39142	4	127	afford	afford	VB
39142	4	128	him	-PRON-	PRP
39142	4	129	.	.	.
39142	5	1	The	the	DT
39142	5	2	progress	progress	NN
39142	5	3	of	of	IN
39142	5	4	astronomy	astronomy	NN
39142	5	5	from	from	IN
39142	5	6	age	age	NN
39142	5	7	to	to	IN
39142	5	8	age	age	NN
39142	5	9	has	have	VBZ
39142	5	10	been	be	VBN
39142	5	11	far	far	RB
39142	5	12	from	from	IN
39142	5	13	uniform	uniform	NN
39142	5	14	--	--	:
39142	5	15	rather	rather	RB
39142	5	16	by	by	IN
39142	5	17	leaps	leap	NNS
39142	5	18	and	and	CC
39142	5	19	bounds	bound	NNS
39142	5	20	:	:	:
39142	5	21	from	from	IN
39142	5	22	the	the	DT
39142	5	23	earliest	early	JJS
39142	5	24	epoch	epoch	NN
39142	5	25	when	when	WRB
39142	5	26	man	man	NN
39142	5	27	's	's	POS
39142	5	28	planet	planet	NN
39142	5	29	earth	earth	NN
39142	5	30	was	be	VBD
39142	5	31	the	the	DT
39142	5	32	center	center	NN
39142	5	33	about	about	IN
39142	5	34	which	which	WDT
39142	5	35	the	the	DT
39142	5	36	stupendous	stupendous	JJ
39142	5	37	cosmos	cosmo	NNS
39142	5	38	wheeled	wheel	VBN
39142	5	39	,	,	,
39142	5	40	for	for	IN
39142	5	41	whom	whom	WP
39142	5	42	it	-PRON-	PRP
39142	5	43	was	be	VBD
39142	5	44	created	create	VBN
39142	5	45	,	,	,
39142	5	46	and	and	CC
39142	5	47	for	for	IN
39142	5	48	whose	whose	WP$
39142	5	49	edification	edification	NN
39142	5	50	it	-PRON-	PRP
39142	5	51	was	be	VBD
39142	5	52	maintained	maintain	VBN
39142	5	53	--	--	:
39142	5	54	down	down	IN
39142	5	55	to	to	IN
39142	5	56	the	the	DT
39142	5	57	modern	modern	JJ
39142	5	58	age	age	NN
39142	5	59	whose	whose	WP$
39142	5	60	discoveries	discovery	NNS
39142	5	61	have	have	VBP
39142	5	62	ascertained	ascertain	VBN
39142	5	63	that	that	IN
39142	5	64	even	even	RB
39142	5	65	our	-PRON-	PRP$
39142	5	66	stellar	stellar	JJ
39142	5	67	universe	universe	NN
39142	5	68	,	,	,
39142	5	69	the	the	DT
39142	5	70	vast	vast	JJ
39142	5	71	region	region	NN
39142	5	72	of	of	IN
39142	5	73	the	the	DT
39142	5	74	solar	solar	JJ
39142	5	75	domain	domain	NN
39142	5	76	,	,	,
39142	5	77	is	be	VBZ
39142	5	78	but	but	CC
39142	5	79	one	one	CD
39142	5	80	of	of	IN
39142	5	81	the	the	DT
39142	5	82	thousands	thousand	NNS
39142	5	83	of	of	IN
39142	5	84	island	island	NN
39142	5	85	universes	universe	NNS
39142	5	86	that	that	WDT
39142	5	87	tenant	tenant	VBP
39142	5	88	the	the	DT
39142	5	89	inconceivable	inconceivable	JJ
39142	5	90	immensities	immensity	NNS
39142	5	91	of	of	IN
39142	5	92	space	space	NN
39142	5	93	.	.	.
39142	6	1	Such	such	JJ
39142	6	2	results	result	NNS
39142	6	3	have	have	VBP
39142	6	4	been	be	VBN
39142	6	5	attainable	attainable	JJ
39142	6	6	only	only	RB
39142	6	7	through	through	IN
39142	6	8	the	the	DT
39142	6	9	successful	successful	JJ
39142	6	10	construction	construction	NN
39142	6	11	and	and	CC
39142	6	12	operation	operation	NN
39142	6	13	of	of	IN
39142	6	14	monster	monster	NN
39142	6	15	telescopes	telescope	NNS
39142	6	16	that	that	WDT
39142	6	17	bring	bring	VBP
39142	6	18	to	to	IN
39142	6	19	the	the	DT
39142	6	20	eye	eye	NN
39142	6	21	and	and	CC
39142	6	22	visualize	visualize	VB
39142	6	23	on	on	IN
39142	6	24	photographic	photographic	JJ
39142	6	25	plates	plate	NNS
39142	6	26	the	the	DT
39142	6	27	faintest	faint	JJS
39142	6	28	of	of	IN
39142	6	29	celestial	celestial	JJ
39142	6	30	objects	object	NNS
39142	6	31	which	which	WDT
39142	6	32	were	be	VBD
39142	6	33	the	the	DT
39142	6	34	despair	despair	NN
39142	6	35	of	of	IN
39142	6	36	astronomers	astronomer	NNS
39142	6	37	only	only	RB
39142	6	38	a	a	DT
39142	6	39	few	few	JJ
39142	6	40	years	year	NNS
39142	6	41	ago	ago	RB
39142	6	42	.	.	.
39142	7	1	But	but	CC
39142	7	2	the	the	DT
39142	7	3	end	end	NN
39142	7	4	is	be	VBZ
39142	7	5	not	not	RB
39142	7	6	yet	yet	RB
39142	7	7	;	;	:
39142	7	8	astronomy	astronomy	NN
39142	7	9	to	to	NN
39142	7	10	-	-	HYPH
39142	7	11	day	day	NN
39142	7	12	is	be	VBZ
39142	7	13	but	but	CC
39142	7	14	passing	pass	VBG
39142	7	15	from	from	IN
39142	7	16	infancy	infancy	NN
39142	7	17	to	to	IN
39142	7	18	youth	youth	NN
39142	7	19	.	.	.
39142	8	1	And	and	CC
39142	8	2	with	with	IN
39142	8	3	new	new	JJ
39142	8	4	and	and	CC
39142	8	5	greater	great	JJR
39142	8	6	telescopes	telescope	NNS
39142	8	7	,	,	,
39142	8	8	with	with	IN
39142	8	9	new	new	JJ
39142	8	10	photographic	photographic	JJ
39142	8	11	processes	process	NNS
39142	8	12	of	of	IN
39142	8	13	higher	high	JJR
39142	8	14	sensitivity	sensitivity	NN
39142	8	15	,	,	,
39142	8	16	with	with	IN
39142	8	17	the	the	DT
39142	8	18	help	help	NN
39142	8	19	of	of	IN
39142	8	20	modern	modern	JJ
39142	8	21	invention	invention	NN
39142	8	22	in	in	IN
39142	8	23	overcoming	overcome	VBG
39142	8	24	the	the	DT
39142	8	25	obstacle	obstacle	NN
39142	8	26	of	of	IN
39142	8	27	the	the	DT
39142	8	28	air	air	NN
39142	8	29	--	--	:
39142	8	30	that	that	IN
39142	8	31	constant	constant	JJ
39142	8	32	foe	foe	NN
39142	8	33	of	of	IN
39142	8	34	the	the	DT
39142	8	35	astronomer	astronomer	NN
39142	8	36	--	--	:
39142	8	37	who	who	WP
39142	8	38	will	will	MD
39142	8	39	presume	presume	VB
39142	8	40	to	to	TO
39142	8	41	set	set	VB
39142	8	42	down	down	RP
39142	8	43	any	any	DT
39142	8	44	limit	limit	NN
39142	8	45	to	to	IN
39142	8	46	the	the	DT
39142	8	47	leaps	leap	NNS
39142	8	48	and	and	CC
39142	8	49	bounds	bound	NNS
39142	8	50	of	of	IN
39142	8	51	astronomy	astronomy	NN
39142	8	52	in	in	IN
39142	8	53	the	the	DT
39142	8	54	future	future	NN
39142	8	55	?	?	.
39142	9	1	So	so	RB
39142	9	2	rapid	rapid	JJ
39142	9	3	,	,	,
39142	9	4	indeed	indeed	RB
39142	9	5	,	,	,
39142	9	6	has	have	VBZ
39142	9	7	been	be	VBN
39142	9	8	the	the	DT
39142	9	9	progress	progress	NN
39142	9	10	of	of	IN
39142	9	11	astronomy	astronomy	NN
39142	9	12	in	in	IN
39142	9	13	very	very	RB
39142	9	14	recent	recent	JJ
39142	9	15	years	year	NNS
39142	9	16	that	that	IN
39142	9	17	the	the	DT
39142	9	18	present	present	NN
39142	9	19	is	be	VBZ
39142	9	20	especially	especially	RB
39142	9	21	favorable	favorable	JJ
39142	9	22	for	for	IN
39142	9	23	setting	set	VBG
39142	9	24	forth	forth	RP
39142	9	25	its	-PRON-	PRP$
39142	9	26	salient	salient	NN
39142	9	27	features	feature	NNS
39142	9	28	;	;	:
39142	9	29	and	and	CC
39142	9	30	this	this	DT
39142	9	31	book	book	NN
39142	9	32	is	be	VBZ
39142	9	33	an	an	DT
39142	9	34	attempt	attempt	NN
39142	9	35	to	to	TO
39142	9	36	present	present	VB
39142	9	37	the	the	DT
39142	9	38	wide	wide	JJ
39142	9	39	range	range	NN
39142	9	40	of	of	IN
39142	9	41	astronomy	astronomy	NN
39142	9	42	in	in	IN
39142	9	43	readable	readable	JJ
39142	9	44	fashion	fashion	NN
39142	9	45	,	,	,
39142	9	46	as	as	IN
39142	9	47	if	if	IN
39142	9	48	a	a	DT
39142	9	49	story	story	NN
39142	9	50	with	with	IN
39142	9	51	a	a	DT
39142	9	52	definite	definite	JJ
39142	9	53	plot	plot	NN
39142	9	54	,	,	,
39142	9	55	from	from	IN
39142	9	56	its	-PRON-	PRP$
39142	9	57	origin	origin	NN
39142	9	58	with	with	IN
39142	9	59	the	the	DT
39142	9	60	shepherds	shepherd	NNS
39142	9	61	of	of	IN
39142	9	62	ancient	ancient	JJ
39142	9	63	Chaldea	Chaldea	NNP
39142	9	64	down	down	RP
39142	9	65	to	to	IN
39142	9	66	present	present	JJ
39142	9	67	-	-	HYPH
39142	9	68	day	day	NN
39142	9	69	ascertainment	ascertainment	NN
39142	9	70	of	of	IN
39142	9	71	the	the	DT
39142	9	72	actual	actual	JJ
39142	9	73	scale	scale	NN
39142	9	74	of	of	IN
39142	9	75	the	the	DT
39142	9	76	universe	universe	NN
39142	9	77	,	,	,
39142	9	78	and	and	CC
39142	9	79	definite	definite	JJ
39142	9	80	measures	measure	NNS
39142	9	81	of	of	IN
39142	9	82	the	the	DT
39142	9	83	huge	huge	JJ
39142	9	84	volume	volume	NN
39142	9	85	of	of	IN
39142	9	86	supersolar	supersolar	JJ
39142	9	87	giants	giant	NNS
39142	9	88	among	among	IN
39142	9	89	the	the	DT
39142	9	90	stars	star	NNS
39142	9	91	.	.	.
39142	10	1	DAVID	DAVID	NNP
39142	10	2	TODD	TODD	NNP
39142	10	3	AMHERST	AMHERST	NNP
39142	10	4	COLLEGE	COLLEGE	NNP
39142	10	5	OBSERVATORY	OBSERVATORY	NNP
39142	10	6	November	November	NNP
39142	10	7	,	,	,
39142	10	8	1921	1921	CD
39142	10	9	CONTENTS	CONTENTS	NNP
39142	10	10	CHAPTER	CHAPTER	NNP
39142	10	11	PAGE	page	NN
39142	10	12	I.	i.	NN
39142	10	13	ASTRONOMY	astronomy	VBP
39142	10	14	A	a	DT
39142	10	15	LIVING	live	VBG
39142	10	16	SCIENCE	science	NN
39142	10	17	9	9	CD
39142	10	18	II	ii	CD
39142	10	19	.	.	.
39142	11	1	THE	the	DT
39142	11	2	FIRST	FIRST	NNP
39142	11	3	ASTRONOMERS	astronomer	NNS
39142	11	4	19	19	CD
39142	11	5	III	iii	CD
39142	11	6	.	.	.
39142	12	1	PYRAMID	PYRAMID	NNP
39142	12	2	,	,	,
39142	12	3	TOMB	TOMB	NNP
39142	12	4	,	,	,
39142	12	5	AND	and	CC
39142	12	6	TEMPLE	TEMPLE	NNP
39142	12	7	23	23	CD
39142	12	8	IV	IV	NNP
39142	12	9	.	.	.
39142	13	1	ORIGIN	ORIGIN	NNS
39142	13	2	OF	of	IN
39142	13	3	GREEK	GREEK	NNP
39142	13	4	ASTRONOMY	ASTRONOMY	NNP
39142	13	5	27	27	CD
39142	13	6	V.	v.	NN
39142	13	7	MEASURING	measure	VBG
39142	13	8	THE	the	DT
39142	13	9	EARTH	earth	NN
39142	13	10	--	--	:
39142	13	11	ERATOSTHENES	eratosthenes	NN
39142	13	12	30	30	CD
39142	13	13	VI	vi	NN
39142	13	14	.	.	.
39142	14	1	PTOLEMY	PTOLEMY	NNPS
39142	14	2	AND	and	CC
39142	14	3	HIS	his	PRP$
39142	14	4	GREAT	great	JJ
39142	14	5	BOOK	book	NN
39142	14	6	33	33	CD
39142	14	7	VII	vii	NN
39142	14	8	.	.	.
39142	15	1	ASTRONOMY	astronomy	VB
39142	15	2	OF	of	IN
39142	15	3	THE	the	DT
39142	15	4	MIDDLE	MIDDLE	NNP
39142	15	5	AGES	AGES	NNP
39142	15	6	37	37	CD
39142	15	7	VIII	viii	NN
39142	15	8	.	.	.
39142	16	1	COPERNICUS	COPERNICUS	NNP
39142	16	2	AND	and	CC
39142	16	3	THE	the	DT
39142	16	4	NEW	new	JJ
39142	16	5	ERA	era	NN
39142	16	6	42	42	CD
39142	16	7	IX	ix	NN
39142	16	8	.	.	.
39142	17	1	TYCHO	TYCHO	NNP
39142	17	2	,	,	,
39142	17	3	THE	the	DT
39142	17	4	GREAT	GREAT	NNP
39142	17	5	OBSERVER	OBSERVER	VBZ
39142	17	6	45	45	CD
39142	17	7	X.	X.	NNP
39142	17	8	KEPLER	KEPLER	NNP
39142	17	9	,	,	,
39142	17	10	THE	the	DT
39142	17	11	GREAT	GREAT	NNP
39142	17	12	CALCULATOR	CALCULATOR	NNS
39142	17	13	49	49	CD
39142	17	14	XI	XI	NNS
39142	17	15	.	.	.
39142	18	1	GALILEO	GALILEO	NNP
39142	18	2	,	,	,
39142	18	3	THE	the	DT
39142	18	4	GREAT	great	JJ
39142	18	5	EXPERIMENTER	EXPERIMENTER	NNP
39142	18	6	53	53	CD
39142	18	7	XII	XII	NNP
39142	18	8	.	.	.
39142	19	1	AFTER	after	IN
39142	19	2	THE	the	DT
39142	19	3	GREAT	great	JJ
39142	19	4	MASTERS	master	NNS
39142	19	5	57	57	CD
39142	19	6	XIII	xiii	NN
39142	19	7	.	.	.
39142	20	1	NEWTON	NEWTON	NNP
39142	20	2	AND	and	CC
39142	20	3	MOTION	motion	NN
39142	20	4	62	62	CD
39142	20	5	XIV	xiv	NN
39142	20	6	.	.	.
39142	21	1	NEWTON	NEWTON	NNP
39142	21	2	AND	and	CC
39142	21	3	GRAVITATION	gravitation	NN
39142	21	4	66	66	CD
39142	21	5	XV	XV	NNP
39142	21	6	.	.	.
39142	22	1	AFTER	after	IN
39142	22	2	NEWTON	NEWTON	NNP
39142	22	3	73	73	CD
39142	22	4	XVI	XVI	NNP
39142	22	5	.	.	.
39142	23	1	HALLEY	HALLEY	NNP
39142	23	2	AND	and	CC
39142	23	3	HIS	his	PRP$
39142	23	4	COMET	COMET	NNP
39142	23	5	83	83	CD
39142	23	6	XVII	XVII	NNS
39142	23	7	.	.	.
39142	24	1	BRADLEY	BRADLEY	NNP
39142	24	2	AND	and	CC
39142	24	3	ABERRATION	aberration	NN
39142	24	4	90	90	CD
39142	24	5	XVIII	xviii	NN
39142	24	6	.	.	.
39142	25	1	THE	the	DT
39142	25	2	TELESCOPE	telescope	NN
39142	25	3	93	93	CD
39142	25	4	XIX	xix	NN
39142	25	5	.	.	.
39142	26	1	REFLECTORS	REFLECTORS	NNP
39142	26	2	--	--	:
39142	26	3	MIRROR	MIRROR	NNP
39142	26	4	TELESCOPES	TELESCOPES	NNP
39142	26	5	102	102	CD
39142	26	6	XX	XX	NNP
39142	26	7	.	.	.
39142	27	1	THE	the	DT
39142	27	2	STORY	STORY	NNP
39142	27	3	OF	of	IN
39142	27	4	THE	the	DT
39142	27	5	SPECTROSCOPE	SPECTROSCOPE	NNP
39142	27	6	111	111	CD
39142	27	7	XXI	XXI	NNP
39142	27	8	.	.	.
39142	28	1	THE	the	DT
39142	28	2	STORY	STORY	NNP
39142	28	3	OF	of	IN
39142	28	4	ASTRONOMICAL	ASTRONOMICAL	NNP
39142	28	5	PHOTOGRAPHY	PHOTOGRAPHY	NNP
39142	28	6	125	125	CD
39142	28	7	XXII	XXII	NNS
39142	28	8	.	.	.
39142	29	1	MOUNTAIN	mountain	NN
39142	29	2	OBSERVATORIES	OBSERVATORIES	NNP
39142	29	3	139	139	CD
39142	29	4	XXIII	xxiii	NN
39142	29	5	.	.	.
39142	30	1	THE	the	DT
39142	30	2	PROGRAM	PROGRAM	NNP
39142	30	3	OF	of	IN
39142	30	4	A	a	DT
39142	30	5	GREAT	GREAT	NNP
39142	30	6	OBSERVATORY	OBSERVATORY	NNP
39142	30	7	152	152	CD
39142	30	8	XXIV	xxiv	NN
39142	30	9	.	.	.
39142	31	1	OUR	our	PRP$
39142	31	2	SOLAR	solar	NN
39142	31	3	SYSTEM	system	NN
39142	31	4	162	162	CD
39142	31	5	XXV	XXV	NNP
39142	31	6	.	.	.
39142	32	1	THE	the	DT
39142	32	2	SUN	sun	NN
39142	32	3	AND	and	CC
39142	32	4	OBSERVING	observe	VBG
39142	32	5	IT	it	NN
39142	32	6	165	165	CD
39142	32	7	XXVI	XXVI	NNS
39142	32	8	.	.	.
39142	33	1	SUN	SUN	NNP
39142	33	2	SPOTS	SPOTS	NNP
39142	33	3	AND	and	CC
39142	33	4	PROMINENCES	PROMINENCES	NNP
39142	33	5	174	174	CD
39142	33	6	XXVII	xxvii	NN
39142	33	7	.	.	.
39142	34	1	THE	the	DT
39142	34	2	INNER	inner	JJ
39142	34	3	PLANETS	planets	NN
39142	34	4	189	189	CD
39142	34	5	XXVIII	XXVIII	NNP
39142	34	6	.	.	.
39142	35	1	THE	the	DT
39142	35	2	MOON	MOON	NNP
39142	35	3	AND	and	CC
39142	35	4	HER	her	PRP$
39142	35	5	SURFACE	surface	VBP
39142	35	6	193	193	CD
39142	35	7	XXIX	xxix	NN
39142	35	8	.	.	.
39142	36	1	ECLIPSES	eclipses	NN
39142	36	2	OF	of	IN
39142	36	3	THE	the	DT
39142	36	4	MOON	MOON	NNP
39142	36	5	206	206	CD
39142	36	6	XXX	XXX	NNP
39142	36	7	.	.	.
39142	37	1	TOTAL	total	JJ
39142	37	2	ECLIPSES	eclipse	NNS
39142	37	3	OF	of	IN
39142	37	4	THE	the	DT
39142	37	5	SUN	SUN	NNP
39142	37	6	209	209	CD
39142	37	7	XXXI	xxxi	NN
39142	37	8	.	.	.
39142	38	1	THE	the	DT
39142	38	2	SOLAR	SOLAR	NNP
39142	38	3	CORONA	corona	VBP
39142	38	4	219	219	CD
39142	38	5	XXXII	XXXII	NNS
39142	38	6	.	.	.
39142	39	1	THE	the	DT
39142	39	2	RUDDY	ruddy	NN
39142	39	3	PLANET	PLANET	NNS
39142	39	4	227	227	CD
39142	39	5	XXXIII	XXXIII	NNP
39142	39	6	.	.	.
39142	40	1	THE	the	DT
39142	40	2	CANALS	canal	NNS
39142	40	3	OF	of	IN
39142	40	4	MARS	MARS	NNP
39142	40	5	235	235	CD
39142	40	6	XXXIV	xxxiv	NN
39142	40	7	.	.	.
39142	41	1	LIFE	life	NN
39142	41	2	IN	in	IN
39142	41	3	OTHER	other	JJ
39142	41	4	WORLDS	WORLDS	NNP
39142	41	5	242	242	CD
39142	41	6	XXXV	XXXV	NNP
39142	41	7	.	.	.
39142	42	1	THE	the	DT
39142	42	2	LITTLE	LITTLE	NNP
39142	42	3	PLANETS	PLANETS	NNP
39142	42	4	254	254	CD
39142	42	5	XXXVI	xxxvi	NN
39142	42	6	.	.	.
39142	43	1	THE	the	DT
39142	43	2	GIANT	GIANT	NNP
39142	43	3	PLANET	PLANET	NNP
39142	43	4	260	260	CD
39142	43	5	XXXVII	xxxvii	NN
39142	43	6	.	.	.
39142	44	1	THE	the	DT
39142	44	2	RINGED	ringed	NN
39142	44	3	PLANET	planet	NN
39142	44	4	264	264	CD
39142	44	5	XXXVIII	xxxviii	NN
39142	44	6	.	.	.
39142	45	1	THE	the	DT
39142	45	2	FARTHEST	FARTHEST	NNP
39142	45	3	PLANETS	planets	NN
39142	45	4	267	267	CD
39142	45	5	XXXIX	xxxix	NN
39142	45	6	.	.	.
39142	46	1	THE	the	DT
39142	46	2	TRANS	TRANS	NNP
39142	46	3	-	-	HYPH
39142	46	4	NEPTUNIAN	NEPTUNIAN	NNP
39142	46	5	PLANET	PLANET	NNP
39142	46	6	270	270	CD
39142	46	7	XL	XL	NNP
39142	46	8	.	.	.
39142	47	1	COMETS	COMETS	NNP
39142	47	2	--	--	:
39142	47	3	THE	the	DT
39142	47	4	HAIRY	HAIRY	NNP
39142	47	5	STARS	star	VBZ
39142	47	6	273	273	CD
39142	47	7	XLI	xli	NN
39142	47	8	.	.	.
39142	48	1	WHERE	where	WRB
39142	48	2	DO	do	VBP
39142	48	3	COMETS	comet	NNS
39142	48	4	COME	come	VB
39142	48	5	FROM	from	IN
39142	48	6	?	?	.
39142	49	1	279	279	CD
39142	49	2	XLII	xlii	NN
39142	49	3	.	.	.
39142	50	1	METEORS	METEORS	NNP
39142	50	2	AND	and	CC
39142	50	3	SHOOTING	SHOOTING	NNP
39142	50	4	STARS	STARS	NNP
39142	50	5	283	283	CD
39142	50	6	XLIII	xliii	NN
39142	50	7	.	.	.
39142	51	1	METEORITES	METEORITES	NNP
39142	51	2	290	290	CD
39142	51	3	XLIV	XLIV	NNS
39142	51	4	.	.	.
39142	52	1	THE	the	DT
39142	52	2	UNIVERSE	UNIVERSE	NNP
39142	52	3	OF	of	IN
39142	52	4	STARS	STARS	NNP
39142	52	5	294	294	CD
39142	52	6	XLV	XLV	NNS
39142	52	7	.	.	.
39142	53	1	STAR	STAR	NNP
39142	53	2	CHARTS	CHARTS	NNP
39142	53	3	AND	and	CC
39142	53	4	CATALOGUES	catalogues	NN
39142	53	5	300	300	CD
39142	53	6	XLVI	xlvi	NN
39142	53	7	.	.	.
39142	54	1	THE	the	DT
39142	54	2	SUN	SUN	NNP
39142	54	3	'S	's	POS
39142	54	4	MOTION	MOTION	NNP
39142	54	5	TOWARD	toward	NN
39142	54	6	LYRA	LYRA	VBD
39142	54	7	304	304	CD
39142	54	8	XLVII	XLVII	NNP
39142	54	9	.	.	.
39142	55	1	STARS	star	NNS
39142	55	2	AND	and	CC
39142	55	3	THEIR	their	NN
39142	55	4	SPECTRAL	SPECTRAL	VBN
39142	55	5	TYPE	type	NN
39142	55	6	307	307	CD
39142	55	7	XLVIII	XLVIII	NNP
39142	55	8	.	.	.
39142	56	1	STAR	STAR	NNP
39142	56	2	DISTANCES	DISTANCES	NNP
39142	56	3	311	311	CD
39142	56	4	XLIX	XLIX	NNS
39142	56	5	.	.	.
39142	57	1	THE	the	DT
39142	57	2	NEAREST	NEAREST	NNP
39142	57	3	STARS	star	NNS
39142	57	4	319	319	CD
39142	57	5	L.	L.	NNP
39142	57	6	ACTUAL	ACTUAL	NNP
39142	57	7	DIMENSIONS	dimensions	NN
39142	57	8	OF	of	IN
39142	57	9	THE	the	DT
39142	57	10	STARS	STARS	NNP
39142	57	11	321	321	CD
39142	57	12	LI	li	NN
39142	57	13	.	.	.
39142	58	1	THE	the	DT
39142	58	2	VARIABLE	VARIABLE	NNP
39142	58	3	STARS	STARS	NNP
39142	58	4	324	324	CD
39142	58	5	LII	lii	NN
39142	58	6	.	.	.
39142	59	1	THE	the	DT
39142	59	2	NOVÆ	NOVÆ	NNP
39142	59	3	,	,	,
39142	59	4	OR	or	CC
39142	59	5	NEW	NEW	NNP
39142	59	6	STARS	star	NNS
39142	59	7	331	331	CD
39142	59	8	LIII	liii	NN
39142	59	9	.	.	.
39142	60	1	THE	the	DT
39142	60	2	DOUBLE	DOUBLE	NNP
39142	60	3	STARS	star	VBZ
39142	60	4	334	334	CD
39142	60	5	LIV	liv	NN
39142	60	6	.	.	.
39142	61	1	THE	the	DT
39142	61	2	STAR	STAR	NNP
39142	61	3	CLUSTERS	CLUSTERS	NNP
39142	61	4	336	336	CD
39142	61	5	LV	LV	NNP
39142	61	6	.	.	.
39142	62	1	MOVING	MOVING	NNP
39142	62	2	CLUSTERS	CLUSTERS	NNP
39142	62	3	341	341	CD
39142	62	4	LVI	lvi	NN
39142	62	5	.	.	.
39142	63	1	THE	the	DT
39142	63	2	TWO	two	CD
39142	63	3	STAR	STAR	NNP
39142	63	4	STREAMS	streams	VBP
39142	63	5	345	345	CD
39142	63	6	LVII	lvii	NN
39142	63	7	.	.	.
39142	64	1	THE	the	DT
39142	64	2	GALAXY	GALAXY	NNP
39142	64	3	OR	OR	NNP
39142	64	4	MILKY	MILKY	NNP
39142	64	5	WAY	WAY	NNP
39142	64	6	350	350	CD
39142	64	7	LVIII	LVIII	NNP
39142	64	8	.	.	.
39142	65	1	STAR	STAR	NNP
39142	65	2	CLOUDS	CLOUDS	NNP
39142	65	3	AND	and	CC
39142	65	4	NEBULÆ	NEBULÆ	NNP
39142	65	5	357	357	CD
39142	65	6	LIX	LIX	NNP
39142	65	7	.	.	.
39142	66	1	THE	the	DT
39142	66	2	SPIRAL	SPIRAL	NNP
39142	66	3	NEBULÆ	NEBULÆ	NNP
39142	66	4	361	361	CD
39142	66	5	LX	LX	NNP
39142	66	6	.	.	.
39142	67	1	COSMOGONY	COSMOGONY	NNP
39142	67	2	366	366	CD
39142	67	3	LXI	LXI	NNP
39142	67	4	.	.	.
39142	68	1	COSMOGONY	COSMOGONY	NNP
39142	68	2	IN	in	IN
39142	68	3	TRANSITION	TRANSITION	NNP
39142	68	4	380	380	CD
39142	68	5	LIST	list	NN
39142	68	6	OF	of	IN
39142	68	7	ILLUSTRATIONS	illustrations	JJ
39142	68	8	ACTIVE	active	NN
39142	68	9	PROMINENCE	prominence	NN
39142	68	10	OF	of	IN
39142	68	11	THE	the	DT
39142	68	12	SUN	SUN	NNP
39142	68	13	,	,	,
39142	68	14	140,000	140,000	CD
39142	68	15	MILES	MILES	NNP
39142	68	16	HIGH	HIGH	NNP
39142	68	17	_	_	NNP
39142	68	18	Frontispiece	Frontispiece	NNP
39142	68	19	_	_	NNP
39142	68	20	FACING	FACING	NNP
39142	68	21	PAGE	PAGE	NNP
39142	68	22	NICHOLAS	NICHOLAS	NNP
39142	68	23	COPERNICUS	COPERNICUS	NNP
39142	68	24	64	64	CD
39142	68	25	GALILEO	galileo	NN
39142	68	26	GALILEI	galilei	NN
39142	68	27	64	64	CD
39142	68	28	JOHANN	JOHANN	NNP
39142	68	29	KEPLER	KEPLER	NNP
39142	68	30	65	65	CD
39142	68	31	SIR	SIR	NNP
39142	68	32	ISAAC	ISAAC	NNP
39142	68	33	NEWTON	NEWTON	NNP
39142	68	34	65	65	CD
39142	68	35	THE	the	DT
39142	68	36	HUNDRED	HUNDRED	NNP
39142	68	37	-	-	HYPH
39142	68	38	INCH	INCH	NNP
39142	68	39	REFLECTING	reflect	VBG
39142	68	40	TELESCOPE	telescope	NN
39142	68	41	AT	at	IN
39142	68	42	MOUNT	mount	NN
39142	68	43	WILSON	wilson	NN
39142	68	44	96	96	CD
39142	68	45	THE	the	DT
39142	68	46	FORTY	FORTY	NNP
39142	68	47	-	-	HYPH
39142	68	48	INCH	INCH	NNP
39142	68	49	REFRACTING	refracting	NN
39142	68	50	TELESCOPE	telescope	NN
39142	68	51	,	,	,
39142	68	52	YERKES	YERKES	NNP
39142	68	53	OBSERVATORY	observatory	RB
39142	68	54	96	96	CD
39142	68	55	150-FOOT	150-foot	CD
39142	68	56	TOWER	TOWER	NNS
39142	68	57	,	,	,
39142	68	58	MOUNT	mount	NN
39142	68	59	WILSON	WILSON	NNP
39142	68	60	,	,	,
39142	68	61	A	a	DT
39142	68	62	DIAGRAM	diagram	NN
39142	68	63	OF	of	IN
39142	68	64	TOWER	TOWER	NNP
39142	68	65	AND	and	CC
39142	68	66	PIT	PIT	NNP
39142	68	67	97	97	CD
39142	68	68	150-FOOT	150-foot	CD
39142	68	69	TOWER	TOWER	NNS
39142	68	70	--	--	:
39142	68	71	EXTERIOR	EXTERIOR	NNP
39142	68	72	VIEW	VIEW	NNP
39142	68	73	97	97	CD
39142	68	74	VIEW	view	NN
39142	68	75	LOOKING	look	VBG
39142	68	76	DOWN	down	IN
39142	68	77	INTO	into	VBP
39142	68	78	THE	the	DT
39142	68	79	PIT	PIT	NNP
39142	68	80	BENEATH	BENEATH	NNP
39142	68	81	150-FOOT	150-foot	CD
39142	68	82	TOWER	TOWER	NNS
39142	68	83	97	97	CD
39142	68	84	MOUNT	mount	NN
39142	68	85	WILSON	WILSON	NNP
39142	68	86	SOLAR	solar	NN
39142	68	87	OBSERVATORY	OBSERVATORY	NNP
39142	68	88	--	--	:
39142	68	89	THE	the	DT
39142	68	90	100-FOOT	100-foot	CD
39142	68	91	DOME	dome	NN
39142	68	92	128	128	CD
39142	68	93	MOUNT	MOUNT	NNP
39142	68	94	CHIMBORAZO	CHIMBORAZO	NNS
39142	68	95	,	,	,
39142	68	96	THE	the	DT
39142	68	97	BEST	best	NN
39142	68	98	SITE	SITE	NNS
39142	68	99	IN	in	IN
39142	68	100	THE	the	DT
39142	68	101	WORLD	WORLD	NNP
39142	68	102	FOR	for	IN
39142	68	103	AN	an	DT
39142	68	104	OBSERVATORY	OBSERVATORY	NNP
39142	68	105	128	128	CD
39142	68	106	LICK	LICK	NNPS
39142	68	107	OBSERVATORY	OBSERVATORY	NNP
39142	68	108	,	,	,
39142	68	109	MOUNT	MOUNT	NNP
39142	68	110	HAMILTON	HAMILTON	NNP
39142	68	111	,	,	,
39142	68	112	CALIFORNIA	CALIFORNIA	NNP
39142	68	113	129	129	CD
39142	68	114	PHOTOGRAPHING	photographing	NN
39142	68	115	WITH	with	IN
39142	68	116	THE	the	DT
39142	68	117	40-INCH	40-inch	CD
39142	68	118	REFRACTOR	REFRACTOR	NNP
39142	68	119	129	129	CD
39142	68	120	GREAT	GREAT	NNP
39142	68	121	SUNSPOT	SUNSPOT	NNP
39142	68	122	GROUP	GROUP	NNP
39142	68	123	OF	of	IN
39142	68	124	AUGUST	AUGUST	NNP
39142	68	125	8	8	CD
39142	68	126	,	,	,
39142	68	127	1917	1917	CD
39142	68	128	160	160	CD
39142	68	129	CALCIUM	CALCIUM	NNP
39142	68	130	FLOCCULI	flocculus	NNS
39142	68	131	ON	on	IN
39142	68	132	THE	the	DT
39142	68	133	SUN	SUN	NNP
39142	68	134	161	161	CD
39142	68	135	ECLIPSE	ECLIPSE	NNS
39142	68	136	OF	of	IN
39142	68	137	THE	the	DT
39142	68	138	MOON	MOON	NNP
39142	68	139	,	,	,
39142	68	140	WITH	with	IN
39142	68	141	THE	the	DT
39142	68	142	LUNAR	LUNAR	NNP
39142	68	143	SURFACE	surface	NN
39142	68	144	VISIBLE	visible	VBP
39142	68	145	161	161	CD
39142	68	146	MOON	MOON	NNP
39142	68	147	'S	's	NN
39142	68	148	SURFACE	surface	NN
39142	68	149	IN	in	IN
39142	68	150	THE	the	DT
39142	68	151	REGION	region	NN
39142	68	152	OF	of	IN
39142	68	153	COPERNICUS	COPERNICUS	NNP
39142	68	154	192	192	CD
39142	68	155	SOUTH	south	JJ
39142	68	156	CENTRAL	central	JJ
39142	68	157	PORTION	portion	NN
39142	68	158	OF	of	IN
39142	68	159	THE	the	DT
39142	68	160	MOON	MOON	NNP
39142	68	161	,	,	,
39142	68	162	AT	AT	NNP
39142	68	163	LAST	LAST	NNP
39142	68	164	QUARTER	quarter	NN
39142	68	165	193	193	CD
39142	68	166	CORONA	corona	NN
39142	68	167	OF	of	IN
39142	68	168	THE	the	DT
39142	68	169	SUN	SUN	NNP
39142	68	170	DURING	during	IN
39142	68	171	AN	an	NN
39142	68	172	ECLIPSE	ECLIPSE	NNP
39142	68	173	224	224	CD
39142	68	174	VENUS	venus	NN
39142	68	175	,	,	,
39142	68	176	IN	in	IN
39142	68	177	THE	the	DT
39142	68	178	CRESCENT	CRESCENT	NNP
39142	68	179	PHASE	phase	NN
39142	68	180	225	225	CD
39142	68	181	MARS	MARS	NNP
39142	68	182	,	,	,
39142	68	183	SHOWING	show	VBG
39142	68	184	BRIGHT	BRIGHT	NNP
39142	68	185	POLAR	POLAR	VBD
39142	68	186	CAP	CAP	NNP
39142	68	187	225	225	CD
39142	68	188	JUPITER	JUPITER	NNP
39142	68	189	,	,	,
39142	68	190	THE	the	DT
39142	68	191	GIANT	GIANT	NNP
39142	68	192	PLANET	PLANET	NNP
39142	68	193	256	256	CD
39142	68	194	NEPTUNE	NEPTUNE	NNS
39142	68	195	AND	and	CC
39142	68	196	ITS	its	PRP$
39142	68	197	SATELLITES	SATELLITES	NNP
39142	68	198	256	256	CD
39142	68	199	SATURN	SATURN	NNP
39142	68	200	,	,	,
39142	68	201	WITH	with	IN
39142	68	202	EDGE	edge	NN
39142	68	203	OF	of	IN
39142	68	204	RINGS	ring	NNS
39142	68	205	ONLY	only	RB
39142	68	206	IN	in	IN
39142	68	207	VIEW	VIEW	NNP
39142	68	208	257	257	CD
39142	68	209	SATURN	SATURN	NNP
39142	68	210	,	,	,
39142	68	211	WITH	with	IN
39142	68	212	RINGS	ring	NNS
39142	68	213	DISPLAYED	displayed	VBP
39142	68	214	TO	to	IN
39142	68	215	FULLEST	fullest	NN
39142	68	216	EXTENT	extent	NN
39142	68	217	257	257	CD
39142	68	218	TWO	two	CD
39142	68	219	VIEWS	view	NNS
39142	68	220	OF	of	IN
39142	68	221	HALLEY	HALLEY	NNP
39142	68	222	'S	'S	NNP
39142	68	223	COMET	COMET	NNP
39142	68	224	288	288	CD
39142	68	225	SWIFT	SWIFT	NNS
39142	68	226	'S	's	POS
39142	68	227	COMET	COMET	NNS
39142	68	228	,	,	,
39142	68	229	WHICH	which	WDT
39142	68	230	SHOWED	showed	RB
39142	68	231	REMARKABLE	REMARKABLE	NNP
39142	68	232	TRANSFORMATIONS	TRANSFORMATIONS	NNP
39142	68	233	288	288	CD
39142	68	234	METEOR	METEOR	NNP
39142	68	235	TRAIL	trail	NN
39142	68	236	IN	in	IN
39142	68	237	FIELD	field	NN
39142	68	238	WITH	with	IN
39142	68	239	FINE	fine	JJ
39142	68	240	NEBULÆ	nebulæ	NN
39142	68	241	289	289	CD
39142	68	242	RING	ring	NN
39142	68	243	NEBULA	NEBULA	NNP
39142	68	244	IN	in	IN
39142	68	245	LYRA	lyra	NN
39142	68	246	320	320	CD
39142	68	247	DUMB	DUMB	NNP
39142	68	248	-	-	HYPH
39142	68	249	BELL	BELL	NNP
39142	68	250	NEBULA	NEBULA	NNP
39142	68	251	321	321	CD
39142	68	252	STAR	STAR	NNP
39142	68	253	CLOUDS	cloud	NNS
39142	68	254	AND	and	CC
39142	68	255	BLACK	BLACK	NNP
39142	68	256	HOLES	HOLES	NNP
39142	68	257	IN	in	IN
39142	68	258	SAGITTARIUS	SAGITTARIUS	NNP
39142	68	259	352	352	CD
39142	68	260	GREAT	great	JJ
39142	68	261	NEBULA	NEBULA	NNP
39142	68	262	IN	in	IN
39142	68	263	ANDROMEDA	ANDROMEDA	NNP
39142	68	264	353	353	CD
39142	68	265	CHAPTER	chapter	NN
39142	68	266	I	-PRON-	PRP
39142	68	267	ASTRONOMY	astronomy	VBP
39142	68	268	A	a	DT
39142	68	269	LIVING	live	VBG
39142	68	270	SCIENCE	science	NN
39142	68	271	Like	like	IN
39142	68	272	life	life	NN
39142	68	273	itself	-PRON-	PRP
39142	68	274	we	-PRON-	PRP
39142	68	275	do	do	VBP
39142	68	276	not	not	RB
39142	68	277	know	know	VB
39142	68	278	when	when	WRB
39142	68	279	astronomy	astronomy	NN
39142	68	280	began	begin	VBD
39142	68	281	;	;	:
39142	68	282	we	-PRON-	PRP
39142	68	283	can	can	MD
39142	68	284	not	not	RB
39142	68	285	conceive	conceive	VB
39142	68	286	a	a	DT
39142	68	287	time	time	NN
39142	68	288	when	when	WRB
39142	68	289	it	-PRON-	PRP
39142	68	290	was	be	VBD
39142	68	291	not	not	RB
39142	68	292	.	.	.
39142	69	1	Man	man	NN
39142	69	2	of	of	IN
39142	69	3	the	the	DT
39142	69	4	early	early	JJ
39142	69	5	stone	stone	NN
39142	69	6	age	age	NN
39142	69	7	must	must	MD
39142	69	8	have	have	VB
39142	69	9	begun	begin	VBN
39142	69	10	to	to	TO
39142	69	11	observe	observe	VB
39142	69	12	sun	sun	NN
39142	69	13	,	,	,
39142	69	14	moon	moon	NN
39142	69	15	,	,	,
39142	69	16	and	and	CC
39142	69	17	stars	star	NNS
39142	69	18	,	,	,
39142	69	19	because	because	IN
39142	69	20	all	all	PDT
39142	69	21	the	the	DT
39142	69	22	bodies	body	NNS
39142	69	23	of	of	IN
39142	69	24	the	the	DT
39142	69	25	cosmos	cosmo	NNS
39142	69	26	were	be	VBD
39142	69	27	there	there	RB
39142	69	28	,	,	,
39142	69	29	then	then	RB
39142	69	30	as	as	IN
39142	69	31	now	now	RB
39142	69	32	.	.	.
39142	70	1	With	with	IN
39142	70	2	his	-PRON-	PRP$
39142	70	3	intellectual	intellectual	JJ
39142	70	4	birth	birth	NN
39142	70	5	astronomy	astronomy	NN
39142	70	6	was	be	VBD
39142	70	7	born	bear	VBN
39142	70	8	.	.	.
39142	71	1	Onward	onward	RB
39142	71	2	through	through	IN
39142	71	3	the	the	DT
39142	71	4	childhood	childhood	NN
39142	71	5	of	of	IN
39142	71	6	the	the	DT
39142	71	7	race	race	NN
39142	71	8	he	-PRON-	PRP
39142	71	9	began	begin	VBD
39142	71	10	to	to	TO
39142	71	11	think	think	VB
39142	71	12	on	on	IN
39142	71	13	the	the	DT
39142	71	14	things	thing	NNS
39142	71	15	he	-PRON-	PRP
39142	71	16	observed	observe	VBD
39142	71	17	,	,	,
39142	71	18	to	to	TO
39142	71	19	make	make	VB
39142	71	20	crude	crude	JJ
39142	71	21	records	record	NNS
39142	71	22	of	of	IN
39142	71	23	times	time	NNS
39142	71	24	and	and	CC
39142	71	25	seasons	season	NNS
39142	71	26	;	;	:
39142	71	27	the	the	DT
39142	71	28	Chaldeans	Chaldeans	NNPS
39142	71	29	and	and	CC
39142	71	30	Chinese	Chinese	NNPS
39142	71	31	began	begin	VBD
39142	71	32	each	each	DT
39142	71	33	their	-PRON-	PRP$
39142	71	34	own	own	JJ
39142	71	35	system	system	NN
39142	71	36	of	of	IN
39142	71	37	astronomy	astronomy	NN
39142	71	38	,	,	,
39142	71	39	the	the	DT
39142	71	40	causes	cause	NNS
39142	71	41	of	of	IN
39142	71	42	things	thing	NNS
39142	71	43	and	and	CC
39142	71	44	the	the	DT
39142	71	45	reasons	reason	NNS
39142	71	46	underlying	underlying	JJ
39142	71	47	phenomena	phenomenon	NNS
39142	71	48	began	begin	VBD
39142	71	49	to	to	TO
39142	71	50	attract	attract	VB
39142	71	51	attention	attention	NN
39142	71	52	,	,	,
39142	71	53	and	and	CC
39142	71	54	astronomy	astronomy	NNP
39142	71	55	was	be	VBD
39142	71	56	cultivated	cultivate	VBN
39142	71	57	not	not	RB
39142	71	58	for	for	IN
39142	71	59	its	-PRON-	PRP$
39142	71	60	own	own	JJ
39142	71	61	sake	sake	NN
39142	71	62	,	,	,
39142	71	63	but	but	CC
39142	71	64	because	because	IN
39142	71	65	of	of	IN
39142	71	66	its	-PRON-	PRP$
39142	71	67	practical	practical	JJ
39142	71	68	utility	utility	NN
39142	71	69	in	in	IN
39142	71	70	supplying	supply	VBG
39142	71	71	the	the	DT
39142	71	72	data	datum	NNS
39142	71	73	necessary	necessary	JJ
39142	71	74	to	to	TO
39142	71	75	accurate	accurate	JJ
39142	71	76	astrological	astrological	JJ
39142	71	77	prediction	prediction	NN
39142	71	78	.	.	.
39142	72	1	Belief	belief	NN
39142	72	2	in	in	IN
39142	72	3	astrology	astrology	NN
39142	72	4	was	be	VBD
39142	72	5	universal	universal	JJ
39142	72	6	.	.	.
39142	73	1	The	the	DT
39142	73	2	earth	earth	NN
39142	73	3	set	set	VBN
39142	73	4	in	in	IN
39142	73	5	the	the	DT
39142	73	6	midst	midst	NN
39142	73	7	of	of	IN
39142	73	8	the	the	DT
39142	73	9	wonders	wonder	NNS
39142	73	10	of	of	IN
39142	73	11	the	the	DT
39142	73	12	sky	sky	NN
39142	73	13	was	be	VBD
39142	73	14	the	the	DT
39142	73	15	reason	reason	NN
39142	73	16	for	for	IN
39142	73	17	it	-PRON-	PRP
39142	73	18	all	all	DT
39142	73	19	.	.	.
39142	74	1	Clearly	clearly	RB
39142	74	2	the	the	DT
39142	74	3	earth	earth	NN
39142	74	4	was	be	VBD
39142	74	5	created	create	VBN
39142	74	6	for	for	IN
39142	74	7	humanity	humanity	NN
39142	74	8	;	;	:
39142	74	9	so	so	CC
39142	74	10	,	,	,
39142	74	11	too	too	RB
39142	74	12	,	,	,
39142	74	13	the	the	DT
39142	74	14	heavens	heavens	NNPS
39142	74	15	were	be	VBD
39142	74	16	created	create	VBN
39142	74	17	for	for	IN
39142	74	18	the	the	DT
39142	74	19	edification	edification	NN
39142	74	20	of	of	IN
39142	74	21	the	the	DT
39142	74	22	race	race	NN
39142	74	23	.	.	.
39142	75	1	All	all	DT
39142	75	2	was	be	VBD
39142	75	3	subservient	subservient	VBN
39142	75	4	to	to	IN
39142	75	5	man	man	NN
39142	75	6	;	;	:
39142	75	7	naturally	naturally	RB
39142	75	8	all	all	DT
39142	75	9	was	be	VBD
39142	75	10	geocentric	geocentric	JJ
39142	75	11	,	,	,
39142	75	12	or	or	CC
39142	75	13	earth	earth	NN
39142	75	14	-	-	HYPH
39142	75	15	centered	center	VBN
39142	75	16	.	.	.
39142	76	1	From	from	IN
39142	76	2	the	the	DT
39142	76	3	savage	savage	NN
39142	76	4	who	who	WP
39142	76	5	could	could	MD
39142	76	6	count	count	VB
39142	76	7	only	only	RB
39142	76	8	to	to	IN
39142	76	9	five	five	CD
39142	76	10	,	,	,
39142	76	11	the	the	DT
39142	76	12	digits	digit	NNS
39142	76	13	of	of	IN
39142	76	14	one	one	CD
39142	76	15	hand	hand	NN
39142	76	16	,	,	,
39142	76	17	civilized	civilized	JJ
39142	76	18	man	man	NN
39142	76	19	very	very	RB
39142	76	20	slowly	slowly	RB
39142	76	21	began	begin	VBD
39142	76	22	to	to	TO
39142	76	23	evolve	evolve	VB
39142	76	24	;	;	:
39142	76	25	he	-PRON-	PRP
39142	76	26	noted	note	VBD
39142	76	27	the	the	DT
39142	76	28	progress	progress	NN
39142	76	29	of	of	IN
39142	76	30	the	the	DT
39142	76	31	seasons	season	NNS
39142	76	32	;	;	,
39142	76	33	the	the	DT
39142	76	34	old	old	JJ
39142	76	35	records	record	NNS
39142	76	36	of	of	IN
39142	76	37	eclipses	eclipse	NNS
39142	76	38	showed	show	VBD
39142	76	39	Thales	Thales	NNP
39142	76	40	,	,	,
39142	76	41	an	an	DT
39142	76	42	early	early	JJ
39142	76	43	Greek	Greek	NNP
39142	76	44	,	,	,
39142	76	45	how	how	WRB
39142	76	46	to	to	TO
39142	76	47	predict	predict	VB
39142	76	48	their	-PRON-	PRP$
39142	76	49	happenings	happening	NNS
39142	76	50	,	,	,
39142	76	51	and	and	CC
39142	76	52	true	true	JJ
39142	76	53	science	science	NN
39142	76	54	had	have	VBD
39142	76	55	its	-PRON-	PRP$
39142	76	56	birth	birth	NN
39142	76	57	when	when	WRB
39142	76	58	man	man	NN
39142	76	59	acquired	acquire	VBD
39142	76	60	the	the	DT
39142	76	61	power	power	NN
39142	76	62	to	to	TO
39142	76	63	make	make	VB
39142	76	64	forecasts	forecast	NNS
39142	76	65	that	that	WDT
39142	76	66	always	always	RB
39142	76	67	came	come	VBD
39142	76	68	true	true	JJ
39142	76	69	.	.	.
39142	77	1	Few	few	JJ
39142	77	2	ancient	ancient	JJ
39142	77	3	philosophers	philosopher	NNS
39142	77	4	were	be	VBD
39142	77	5	greater	great	JJR
39142	77	6	than	than	IN
39142	77	7	Pythagoras	Pythagoras	NNP
39142	77	8	,	,	,
39142	77	9	and	and	CC
39142	77	10	his	-PRON-	PRP$
39142	77	11	conceptions	conception	NNS
39142	77	12	of	of	IN
39142	77	13	the	the	DT
39142	77	14	order	order	NN
39142	77	15	of	of	IN
39142	77	16	the	the	DT
39142	77	17	heavens	heavens	NNPS
39142	77	18	and	and	CC
39142	77	19	the	the	DT
39142	77	20	shape	shape	NN
39142	77	21	and	and	CC
39142	77	22	motion	motion	NN
39142	77	23	of	of	IN
39142	77	24	the	the	DT
39142	77	25	earth	earth	NN
39142	77	26	were	be	VBD
39142	77	27	so	so	RB
39142	77	28	near	near	IN
39142	77	29	the	the	DT
39142	77	30	truth	truth	NN
39142	77	31	that	that	WDT
39142	77	32	we	-PRON-	PRP
39142	77	33	sometimes	sometimes	RB
39142	77	34	wonder	wonder	VBP
39142	77	35	how	how	WRB
39142	77	36	they	-PRON-	PRP
39142	77	37	could	could	MD
39142	77	38	have	have	VB
39142	77	39	been	be	VBN
39142	77	40	rejected	reject	VBN
39142	77	41	for	for	IN
39142	77	42	twenty	twenty	CD
39142	77	43	centuries	century	NNS
39142	77	44	.	.	.
39142	78	1	We	-PRON-	PRP
39142	78	2	must	must	MD
39142	78	3	remember	remember	VB
39142	78	4	,	,	,
39142	78	5	however	however	RB
39142	78	6	,	,	,
39142	78	7	that	that	DT
39142	78	8	man	man	NN
39142	78	9	had	have	VBD
39142	78	10	not	not	RB
39142	78	11	yet	yet	RB
39142	78	12	learned	learn	VBN
39142	78	13	the	the	DT
39142	78	14	art	art	NN
39142	78	15	of	of	IN
39142	78	16	measuring	measure	VBG
39142	78	17	things	thing	NNS
39142	78	18	,	,	,
39142	78	19	and	and	CC
39142	78	20	the	the	DT
39142	78	21	world	world	NN
39142	78	22	could	could	MD
39142	78	23	not	not	RB
39142	78	24	be	be	VB
39142	78	25	brought	bring	VBN
39142	78	26	into	into	IN
39142	78	27	subjection	subjection	NN
39142	78	28	to	to	IN
39142	78	29	him	-PRON-	PRP
39142	78	30	until	until	IN
39142	78	31	he	-PRON-	PRP
39142	78	32	had	have	VBD
39142	78	33	.	.	.
39142	79	1	To	to	TO
39142	79	2	measure	measure	VB
39142	79	3	he	-PRON-	PRP
39142	79	4	must	must	MD
39142	79	5	have	have	VB
39142	79	6	tools	tool	NNS
39142	79	7	--	--	:
39142	79	8	instruments	instrument	NNS
39142	79	9	;	;	:
39142	79	10	to	to	TO
39142	79	11	have	have	VB
39142	79	12	instruments	instrument	NNS
39142	79	13	he	-PRON-	PRP
39142	79	14	must	must	MD
39142	79	15	learn	learn	VB
39142	79	16	the	the	DT
39142	79	17	art	art	NN
39142	79	18	of	of	IN
39142	79	19	working	work	VBG
39142	79	20	in	in	IN
39142	79	21	metals	metal	NNS
39142	79	22	,	,	,
39142	79	23	and	and	CC
39142	79	24	all	all	PDT
39142	79	25	this	this	DT
39142	79	26	took	take	VBD
39142	79	27	time	time	NN
39142	79	28	;	;	:
39142	79	29	it	-PRON-	PRP
39142	79	30	was	be	VBD
39142	79	31	a	a	DT
39142	79	32	slow	slow	JJ
39142	79	33	and	and	CC
39142	79	34	in	in	IN
39142	79	35	large	large	JJ
39142	79	36	part	part	NN
39142	79	37	imperceptible	imperceptible	JJ
39142	79	38	process	process	NN
39142	79	39	;	;	:
39142	79	40	it	-PRON-	PRP
39142	79	41	is	be	VBZ
39142	79	42	not	not	RB
39142	79	43	yet	yet	RB
39142	79	44	finished	finish	VBN
39142	79	45	.	.	.
39142	80	1	The	the	DT
39142	80	2	earliest	early	JJS
39142	80	3	really	really	RB
39142	80	4	sturdy	sturdy	JJ
39142	80	5	manifestation	manifestation	NN
39142	80	6	of	of	IN
39142	80	7	astronomical	astronomical	JJ
39142	80	8	life	life	NN
39142	80	9	came	come	VBD
39142	80	10	with	with	IN
39142	80	11	the	the	DT
39142	80	12	birth	birth	NN
39142	80	13	of	of	IN
39142	80	14	Greek	greek	JJ
39142	80	15	science	science	NN
39142	80	16	,	,	,
39142	80	17	culminating	culminate	VBG
39142	80	18	with	with	IN
39142	80	19	Aristarchus	Aristarchus	NNP
39142	80	20	,	,	,
39142	80	21	Hipparchus	Hipparchus	NNP
39142	80	22	and	and	CC
39142	80	23	Ptolemy	Ptolemy	NNP
39142	80	24	.	.	.
39142	81	1	The	the	DT
39142	81	2	last	last	JJ
39142	81	3	of	of	IN
39142	81	4	these	these	DT
39142	81	5	great	great	JJ
39142	81	6	philosophers	philosopher	NNS
39142	81	7	,	,	,
39142	81	8	realizing	realize	VBG
39142	81	9	that	that	IN
39142	81	10	only	only	RB
39142	81	11	the	the	DT
39142	81	12	art	art	NN
39142	81	13	of	of	IN
39142	81	14	writing	write	VBG
39142	81	15	prevents	prevent	NNS
39142	81	16	man	man	NN
39142	81	17	's	's	POS
39142	81	18	knowledge	knowledge	NN
39142	81	19	from	from	IN
39142	81	20	perishing	perish	VBG
39142	81	21	with	with	IN
39142	81	22	him	-PRON-	PRP
39142	81	23	,	,	,
39142	81	24	set	set	VBN
39142	81	25	down	down	RP
39142	81	26	all	all	PDT
39142	81	27	the	the	DT
39142	81	28	astronomical	astronomical	JJ
39142	81	29	knowledge	knowledge	NN
39142	81	30	of	of	IN
39142	81	31	that	that	DT
39142	81	32	day	day	NN
39142	81	33	in	in	IN
39142	81	34	one	one	CD
39142	81	35	of	of	IN
39142	81	36	the	the	DT
39142	81	37	three	three	CD
39142	81	38	greatest	great	JJS
39142	81	39	books	book	NNS
39142	81	40	on	on	IN
39142	81	41	astronomy	astronomy	NN
39142	81	42	ever	ever	RB
39142	81	43	written	write	VBN
39142	81	44	,	,	,
39142	81	45	the	the	DT
39142	81	46	Almagest	Almagest	NNP
39142	81	47	,	,	,
39142	81	48	a	a	DT
39142	81	49	name	name	NN
39142	81	50	for	for	IN
39142	81	51	it	-PRON-	PRP
39142	81	52	derived	derive	VBD
39142	81	53	through	through	IN
39142	81	54	the	the	DT
39142	81	55	Arabic	Arabic	NNP
39142	81	56	,	,	,
39142	81	57	and	and	CC
39142	81	58	really	really	RB
39142	81	59	meaning	mean	VBG
39142	81	60	"	"	``
39142	81	61	the	the	DT
39142	81	62	greatest	great	JJS
39142	81	63	.	.	.
39142	81	64	"	"	''
39142	82	1	The	the	DT
39142	82	2	system	system	NN
39142	82	3	of	of	IN
39142	82	4	earth	earth	NN
39142	82	5	and	and	CC
39142	82	6	heaven	heaven	NNP
39142	82	7	seemed	seem	VBD
39142	82	8	as	as	IN
39142	82	9	if	if	IN
39142	82	10	finished	finish	VBN
39142	82	11	,	,	,
39142	82	12	and	and	CC
39142	82	13	the	the	DT
39142	82	14	authority	authority	NN
39142	82	15	of	of	IN
39142	82	16	Ptolemy	Ptolemy	NNP
39142	82	17	and	and	CC
39142	82	18	his	-PRON-	PRP$
39142	82	19	Almagest	Almagest	NNP
39142	82	20	were	be	VBD
39142	82	21	as	as	IN
39142	82	22	Holy	Holy	NNP
39142	82	23	Writ	Writ	NNP
39142	82	24	for	for	IN
39142	82	25	the	the	DT
39142	82	26	unfortunate	unfortunate	JJ
39142	82	27	centuries	century	NNS
39142	82	28	that	that	WDT
39142	82	29	followed	follow	VBD
39142	82	30	him	-PRON-	PRP
39142	82	31	.	.	.
39142	83	1	With	with	IN
39142	83	2	fatal	fatal	JJ
39142	83	3	persistence	persistence	NN
39142	83	4	the	the	DT
39142	83	5	fundamental	fundamental	JJ
39142	83	6	error	error	NN
39142	83	7	of	of	IN
39142	83	8	his	-PRON-	PRP$
39142	83	9	system	system	NN
39142	83	10	delayed	delay	VBD
39142	83	11	the	the	DT
39142	83	12	evolutionary	evolutionary	JJ
39142	83	13	life	life	NN
39142	83	14	of	of	IN
39142	83	15	the	the	DT
39142	83	16	science	science	NN
39142	83	17	through	through	IN
39142	83	18	all	all	PDT
39142	83	19	that	that	DT
39142	83	20	period	period	NN
39142	83	21	.	.	.
39142	84	1	But	but	CC
39142	84	2	man	man	NN
39142	84	3	had	have	VBD
39142	84	4	begun	begin	VBN
39142	84	5	to	to	TO
39142	84	6	measure	measure	VB
39142	84	7	.	.	.
39142	85	1	Geometry	Geometry	NNP
39142	85	2	had	have	VBD
39142	85	3	been	be	VBN
39142	85	4	born	bear	VBN
39142	85	5	and	and	CC
39142	85	6	Eratosthenes	Eratosthenes	NNPS
39142	85	7	had	have	VBD
39142	85	8	indeed	indeed	RB
39142	85	9	measured	measure	VBN
39142	85	10	the	the	DT
39142	85	11	size	size	NN
39142	85	12	of	of	IN
39142	85	13	the	the	DT
39142	85	14	earth	earth	NN
39142	85	15	.	.	.
39142	86	1	Tools	tool	NNS
39142	86	2	in	in	IN
39142	86	3	bronze	bronze	NN
39142	86	4	and	and	CC
39142	86	5	iron	iron	NN
39142	86	6	were	be	VBD
39142	86	7	fashioned	fashion	VBN
39142	86	8	closely	closely	RB
39142	86	9	after	after	IN
39142	86	10	the	the	DT
39142	86	11	models	model	NNS
39142	86	12	of	of	IN
39142	86	13	tools	tool	NNS
39142	86	14	of	of	IN
39142	86	15	stone	stone	NN
39142	86	16	;	;	:
39142	86	17	astrolabes	astrolabe	NNS
39142	86	18	and	and	CC
39142	86	19	armillary	armillary	JJ
39142	86	20	spheres	sphere	NNS
39142	86	21	were	be	VBD
39142	86	22	first	first	RB
39142	86	23	built	build	VBN
39142	86	24	on	on	IN
39142	86	25	geometric	geometric	JJ
39142	86	26	spheres	sphere	NNS
39142	86	27	and	and	CC
39142	86	28	circles	circle	NNS
39142	86	29	;	;	:
39142	86	30	and	and	CC
39142	86	31	science	science	NN
39142	86	32	was	be	VBD
39142	86	33	then	then	RB
39142	86	34	laid	lay	VBN
39142	86	35	away	away	RB
39142	86	36	for	for	IN
39142	86	37	the	the	DT
39142	86	38	slumber	slumber	NN
39142	86	39	of	of	IN
39142	86	40	the	the	DT
39142	86	41	Dark	Dark	NNP
39142	86	42	Ages	Ages	NNPS
39142	86	43	.	.	.
39142	87	1	Nevertheless	nevertheless	RB
39142	87	2	,	,	,
39142	87	3	through	through	IN
39142	87	4	all	all	PDT
39142	87	5	this	this	DT
39142	87	6	dreary	dreary	JJ
39142	87	7	period	period	NN
39142	87	8	the	the	DT
39142	87	9	life	life	NN
39142	87	10	of	of	IN
39142	87	11	the	the	DT
39142	87	12	youthful	youthful	JJ
39142	87	13	astronomical	astronomical	JJ
39142	87	14	giant	giant	NN
39142	87	15	was	be	VBD
39142	87	16	maintained	maintain	VBN
39142	87	17	.	.	.
39142	88	1	Time	Time	NNP
39142	88	2	went	go	VBD
39142	88	3	on	on	RP
39142	88	4	,	,	,
39142	88	5	the	the	DT
39142	88	6	heavens	heavens	NNPS
39142	88	7	revolved	revolve	VBD
39142	88	8	;	;	:
39142	88	9	sun	sun	NN
39142	88	10	,	,	,
39142	88	11	moon	moon	NN
39142	88	12	,	,	,
39142	88	13	and	and	CC
39142	88	14	stars	star	NNS
39142	88	15	kept	keep	VBD
39142	88	16	their	-PRON-	PRP$
39142	88	17	appointed	appoint	VBN
39142	88	18	places	place	NNS
39142	88	19	,	,	,
39142	88	20	and	and	CC
39142	88	21	Arab	Arab	NNP
39142	88	22	and	and	CC
39142	88	23	Moor	Moor	NNP
39142	88	24	and	and	CC
39142	88	25	the	the	DT
39142	88	26	savage	savage	NN
39142	88	27	monarchs	monarchs	NN
39142	88	28	of	of	IN
39142	88	29	the	the	DT
39142	88	30	East	East	NNP
39142	88	31	were	be	VBD
39142	88	32	there	there	RB
39142	88	33	to	to	TO
39142	88	34	observe	observe	VB
39142	88	35	and	and	CC
39142	88	36	record	record	VB
39142	88	37	,	,	,
39142	88	38	even	even	RB
39142	88	39	if	if	IN
39142	88	40	the	the	DT
39142	88	41	world	world	NN
39142	88	42	-	-	HYPH
39142	88	43	mind	mind	NN
39142	88	44	was	be	VBD
39142	88	45	lying	lie	VBG
39142	88	46	fallow	fallow	JJ
39142	88	47	,	,	,
39142	88	48	and	and	CC
39142	88	49	no	no	DT
39142	88	50	genius	genius	NN
39142	88	51	had	have	VBD
39142	88	52	been	be	VBN
39142	88	53	born	bear	VBN
39142	88	54	to	to	TO
39142	88	55	inspire	inspire	VB
39142	88	56	anew	anew	JJ
39142	88	57	that	that	DT
39142	88	58	direction	direction	NN
39142	88	59	of	of	IN
39142	88	60	human	human	JJ
39142	88	61	intellect	intellect	NN
39142	88	62	on	on	IN
39142	88	63	which	which	WDT
39142	88	64	the	the	DT
39142	88	65	later	later	JJ
39142	88	66	growth	growth	NN
39142	88	67	of	of	IN
39142	88	68	science	science	NN
39142	88	69	and	and	CC
39142	88	70	civilization	civilization	NN
39142	88	71	depends	depend	VBZ
39142	88	72	.	.	.
39142	89	1	With	with	IN
39142	89	2	the	the	DT
39142	89	3	growth	growth	NN
39142	89	4	of	of	IN
39142	89	5	the	the	DT
39142	89	6	collective	collective	JJ
39142	89	7	mind	mind	NN
39142	89	8	of	of	IN
39142	89	9	mankind	mankind	NN
39142	89	10	,	,	,
39142	89	11	from	from	IN
39142	89	12	generation	generation	NN
39142	89	13	to	to	IN
39142	89	14	generation	generation	NN
39142	89	15	,	,	,
39142	89	16	we	-PRON-	PRP
39142	89	17	note	note	VBP
39142	89	18	that	that	IN
39142	89	19	ordered	order	VBN
39142	89	20	sequence	sequence	NN
39142	89	21	of	of	IN
39142	89	22	events	event	NNS
39142	89	23	which	which	WDT
39142	89	24	characterizes	characterize	VBZ
39142	89	25	the	the	DT
39142	89	26	development	development	NN
39142	89	27	of	of	IN
39142	89	28	astronomy	astronomy	NN
39142	89	29	from	from	IN
39142	89	30	earliest	early	JJS
39142	89	31	peoples	people	NNS
39142	89	32	down	down	RP
39142	89	33	to	to	IN
39142	89	34	the	the	DT
39142	89	35	age	age	NN
39142	89	36	of	of	IN
39142	89	37	Newton	Newton	NNP
39142	89	38	,	,	,
39142	89	39	Herschel	Herschel	NNP
39142	89	40	,	,	,
39142	89	41	and	and	CC
39142	89	42	the	the	DT
39142	89	43	present	present	NN
39142	89	44	.	.	.
39142	90	1	It	-PRON-	PRP
39142	90	2	is	be	VBZ
39142	90	3	the	the	DT
39142	90	4	unfolding	unfolding	NN
39142	90	5	of	of	IN
39142	90	6	a	a	DT
39142	90	7	story	story	NN
39142	90	8	as	as	IN
39142	90	9	if	if	IN
39142	90	10	with	with	IN
39142	90	11	a	a	DT
39142	90	12	definite	definite	JJ
39142	90	13	plot	plot	NN
39142	90	14	from	from	IN
39142	90	15	the	the	DT
39142	90	16	beginning	beginning	NN
39142	90	17	.	.	.
39142	91	1	Leaving	leave	VBG
39142	91	2	to	to	IN
39142	91	3	philosophical	philosophical	JJ
39142	91	4	writers	writer	NNS
39142	91	5	the	the	DT
39142	91	6	great	great	JJ
39142	91	7	fundamental	fundamental	JJ
39142	91	8	reason	reason	NN
39142	91	9	underlying	underlie	VBG
39142	91	10	the	the	DT
39142	91	11	intellectual	intellectual	JJ
39142	91	12	lethargy	lethargy	NN
39142	91	13	of	of	IN
39142	91	14	the	the	DT
39142	91	15	Dark	Dark	NNP
39142	91	16	Ages	Ages	NNPS
39142	91	17	,	,	,
39142	91	18	we	-PRON-	PRP
39142	91	19	only	only	RB
39142	91	20	note	note	VBP
39142	91	21	that	that	IN
39142	91	22	astronomy	astronomy	NN
39142	91	23	and	and	CC
39142	91	24	its	-PRON-	PRP$
39142	91	25	development	development	NN
39142	91	26	suffered	suffer	VBD
39142	91	27	with	with	IN
39142	91	28	every	every	DT
39142	91	29	other	other	JJ
39142	91	30	department	department	NN
39142	91	31	of	of	IN
39142	91	32	human	human	JJ
39142	91	33	activity	activity	NN
39142	91	34	that	that	WDT
39142	91	35	concerned	concern	VBD
39142	91	36	the	the	DT
39142	91	37	intellectual	intellectual	JJ
39142	91	38	progress	progress	NN
39142	91	39	of	of	IN
39142	91	40	the	the	DT
39142	91	41	race	race	NN
39142	91	42	.	.	.
39142	92	1	To	to	IN
39142	92	2	knowledge	knowledge	NN
39142	92	3	of	of	IN
39142	92	4	every	every	DT
39142	92	5	sort	sort	NN
39142	92	6	the	the	DT
39142	92	7	medieval	medieval	JJ
39142	92	8	spirit	spirit	NN
39142	92	9	was	be	VBD
39142	92	10	hostile	hostile	JJ
39142	92	11	.	.	.
39142	93	1	But	but	CC
39142	93	2	with	with	IN
39142	93	3	the	the	DT
39142	93	4	founding	founding	NN
39142	93	5	and	and	CC
39142	93	6	growth	growth	NN
39142	93	7	of	of	IN
39142	93	8	universities	university	NNS
39142	93	9	,	,	,
39142	93	10	a	a	DT
39142	93	11	new	new	JJ
39142	93	12	era	era	NN
39142	93	13	began	begin	VBD
39142	93	14	.	.	.
39142	94	1	The	the	DT
39142	94	2	time	time	NN
39142	94	3	was	be	VBD
39142	94	4	ripe	ripe	JJ
39142	94	5	for	for	IN
39142	94	6	Copernicus	Copernicus	NNP
39142	94	7	and	and	CC
39142	94	8	a	a	DT
39142	94	9	new	new	JJ
39142	94	10	system	system	NN
39142	94	11	of	of	IN
39142	94	12	the	the	DT
39142	94	13	heavens	heavens	NNPS
39142	94	14	.	.	.
39142	95	1	The	the	DT
39142	95	2	discovery	discovery	NN
39142	95	3	of	of	IN
39142	95	4	the	the	DT
39142	95	5	New	New	NNP
39142	95	6	World	World	NNP
39142	95	7	and	and	CC
39142	95	8	the	the	DT
39142	95	9	revival	revival	NN
39142	95	10	of	of	IN
39142	95	11	learning	learn	VBG
39142	95	12	through	through	IN
39142	95	13	the	the	DT
39142	95	14	universities	university	NNS
39142	95	15	added	add	VBD
39142	95	16	that	that	DT
39142	95	17	stimulus	stimulus	NN
39142	95	18	and	and	CC
39142	95	19	inspiration	inspiration	NN
39142	95	20	which	which	WDT
39142	95	21	marked	mark	VBD
39142	95	22	the	the	DT
39142	95	23	transition	transition	NN
39142	95	24	from	from	IN
39142	95	25	the	the	DT
39142	95	26	Middle	Middle	NNP
39142	95	27	Ages	Ages	NNPS
39142	95	28	to	to	IN
39142	95	29	our	-PRON-	PRP$
39142	95	30	modern	modern	JJ
39142	95	31	era	era	NN
39142	95	32	,	,	,
39142	95	33	and	and	CC
39142	95	34	the	the	DT
39142	95	35	life	life	NN
39142	95	36	of	of	IN
39142	95	37	astronomy	astronomy	NN
39142	95	38	,	,	,
39142	95	39	long	long	JJ
39142	95	40	dormant	dormant	NN
39142	95	41	,	,	,
39142	95	42	was	be	VBD
39142	95	43	quickened	quicken	VBN
39142	95	44	to	to	IN
39142	95	45	an	an	DT
39142	95	46	extraordinary	extraordinary	JJ
39142	95	47	development	development	NN
39142	95	48	.	.	.
39142	96	1	It	-PRON-	PRP
39142	96	2	fell	fall	VBD
39142	96	3	to	to	IN
39142	96	4	the	the	DT
39142	96	5	lot	lot	NN
39142	96	6	of	of	IN
39142	96	7	Copernicus	Copernicus	NNP
39142	96	8	to	to	TO
39142	96	9	write	write	VB
39142	96	10	the	the	DT
39142	96	11	second	second	JJ
39142	96	12	great	great	JJ
39142	96	13	book	book	NN
39142	96	14	on	on	IN
39142	96	15	astronomy	astronomy	NN
39142	96	16	,	,	,
39142	96	17	"	"	''
39142	96	18	De	De	NNP
39142	96	19	Revolutionibus	Revolutionibus	NNP
39142	96	20	Orbium	Orbium	NNP
39142	96	21	Coelestium	Coelestium	NNP
39142	96	22	.	.	.
39142	96	23	"	"	''
39142	97	1	But	but	CC
39142	97	2	the	the	DT
39142	97	3	new	new	JJ
39142	97	4	heliocentric	heliocentric	NN
39142	97	5	or	or	CC
39142	97	6	sun	sun	NN
39142	97	7	-	-	HYPH
39142	97	8	centered	center	VBN
39142	97	9	system	system	NN
39142	97	10	of	of	IN
39142	97	11	Copernicus	Copernicus	NNP
39142	97	12	,	,	,
39142	97	13	while	while	IN
39142	97	14	it	-PRON-	PRP
39142	97	15	was	be	VBD
39142	97	16	the	the	DT
39142	97	17	true	true	JJ
39142	97	18	system	system	NN
39142	97	19	bidding	bidding	NN
39142	97	20	fair	fair	JJ
39142	97	21	to	to	TO
39142	97	22	replace	replace	VB
39142	97	23	the	the	DT
39142	97	24	false	false	JJ
39142	97	25	,	,	,
39142	97	26	could	could	MD
39142	97	27	not	not	RB
39142	97	28	be	be	VB
39142	97	29	firmly	firmly	RB
39142	97	30	established	establish	VBN
39142	97	31	except	except	IN
39142	97	32	on	on	IN
39142	97	33	the	the	DT
39142	97	34	basis	basis	NN
39142	97	35	of	of	IN
39142	97	36	accurate	accurate	JJ
39142	97	37	observation	observation	NN
39142	97	38	.	.	.
39142	98	1	How	how	WRB
39142	98	2	fortunate	fortunate	JJ
39142	98	3	was	be	VBD
39142	98	4	the	the	DT
39142	98	5	occurrence	occurrence	NN
39142	98	6	of	of	IN
39142	98	7	the	the	DT
39142	98	8	new	new	JJ
39142	98	9	star	star	NN
39142	98	10	of	of	IN
39142	98	11	1572	1572	CD
39142	98	12	,	,	,
39142	98	13	that	that	WDT
39142	98	14	turned	turn	VBD
39142	98	15	the	the	DT
39142	98	16	keen	keen	JJ
39142	98	17	intellect	intellect	NN
39142	98	18	of	of	IN
39142	98	19	Tycho	Tycho	NNP
39142	98	20	Brahe	Brahe	NNP
39142	98	21	toward	toward	IN
39142	98	22	the	the	DT
39142	98	23	heavens	heavens	NNPS
39142	98	24	!	!	.
39142	99	1	Without	without	IN
39142	99	2	the	the	DT
39142	99	3	observational	observational	JJ
39142	99	4	labors	labor	NNS
39142	99	5	of	of	IN
39142	99	6	Tycho	Tycho	NNP
39142	99	7	's	's	POS
39142	99	8	lifetime	lifetime	NN
39142	99	9	,	,	,
39142	99	10	what	what	WP
39142	99	11	would	would	MD
39142	99	12	the	the	DT
39142	99	13	mathematical	mathematical	JJ
39142	99	14	genius	genius	NN
39142	99	15	of	of	IN
39142	99	16	Kepler	Kepler	NNP
39142	99	17	have	have	VBP
39142	99	18	availed	avail	VBN
39142	99	19	in	in	IN
39142	99	20	discovery	discovery	NN
39142	99	21	of	of	IN
39142	99	22	his	-PRON-	PRP$
39142	99	23	laws	law	NNS
39142	99	24	of	of	IN
39142	99	25	motion	motion	NN
39142	99	26	of	of	IN
39142	99	27	the	the	DT
39142	99	28	planets	planet	NNS
39142	99	29	?	?	.
39142	100	1	Historians	historian	NNS
39142	100	2	dwell	dwell	VBP
39142	100	3	on	on	IN
39142	100	4	the	the	DT
39142	100	5	destruction	destruction	NN
39142	100	6	and	and	CC
39142	100	7	violent	violent	JJ
39142	100	8	conflicts	conflict	NNS
39142	100	9	of	of	IN
39142	100	10	certain	certain	JJ
39142	100	11	centuries	century	NNS
39142	100	12	of	of	IN
39142	100	13	the	the	DT
39142	100	14	Middle	Middle	NNP
39142	100	15	Ages	Ages	NNPS
39142	100	16	,	,	,
39142	100	17	quite	quite	RB
39142	100	18	overlooking	overlook	VBG
39142	100	19	the	the	DT
39142	100	20	constructive	constructive	JJ
39142	100	21	work	work	NN
39142	100	22	in	in	IN
39142	100	23	progress	progress	NN
39142	100	24	through	through	IN
39142	100	25	the	the	DT
39142	100	26	entire	entire	JJ
39142	100	27	era	era	NN
39142	100	28	.	.	.
39142	101	1	Much	much	JJ
39142	101	2	of	of	IN
39142	101	3	this	this	DT
39142	101	4	was	be	VBD
39142	101	5	of	of	IN
39142	101	6	a	a	DT
39142	101	7	nature	nature	NN
39142	101	8	absolutely	absolutely	RB
39142	101	9	essential	essential	JJ
39142	101	10	to	to	IN
39142	101	11	the	the	DT
39142	101	12	new	new	JJ
39142	101	13	life	life	NN
39142	101	14	that	that	WDT
39142	101	15	was	be	VBD
39142	101	16	to	to	TO
39142	101	17	manifest	manifest	VB
39142	101	18	itself	-PRON-	PRP
39142	101	19	in	in	IN
39142	101	20	astronomy	astronomy	NN
39142	101	21	.	.	.
39142	102	1	The	the	DT
39142	102	2	Arabs	Arabs	NNPS
39142	102	3	had	have	VBD
39142	102	4	made	make	VBN
39142	102	5	important	important	JJ
39142	102	6	improvements	improvement	NNS
39142	102	7	in	in	IN
39142	102	8	mathematical	mathematical	JJ
39142	102	9	processes	process	NNS
39142	102	10	,	,	,
39142	102	11	European	european	JJ
39142	102	12	artisans	artisan	NNS
39142	102	13	had	have	VBD
39142	102	14	made	make	VBN
39142	102	15	great	great	JJ
39142	102	16	advances	advance	NNS
39142	102	17	in	in	IN
39142	102	18	the	the	DT
39142	102	19	manufacture	manufacture	NN
39142	102	20	of	of	IN
39142	102	21	glass	glass	NN
39142	102	22	and	and	CC
39142	102	23	in	in	IN
39142	102	24	the	the	DT
39142	102	25	tools	tool	NNS
39142	102	26	for	for	IN
39142	102	27	working	work	VBG
39142	102	28	in	in	IN
39142	102	29	metals	metal	NNS
39142	102	30	.	.	.
39142	103	1	Then	then	RB
39142	103	2	came	come	VBD
39142	103	3	Galileo	Galileo	NNP
39142	103	4	with	with	IN
39142	103	5	his	-PRON-	PRP$
39142	103	6	telescope	telescope	NN
39142	103	7	revealing	reveal	VBG
39142	103	8	anew	anew	RB
39142	103	9	the	the	DT
39142	103	10	universe	universe	NN
39142	103	11	to	to	IN
39142	103	12	mankind	mankind	NN
39142	103	13	.	.	.
39142	104	1	It	-PRON-	PRP
39142	104	2	was	be	VBD
39142	104	3	the	the	DT
39142	104	4	north	north	NN
39142	104	5	of	of	IN
39142	104	6	Italy	Italy	NNP
39142	104	7	where	where	WRB
39142	104	8	the	the	DT
39142	104	9	Renaissance	Renaissance	NNP
39142	104	10	was	be	VBD
39142	104	11	most	most	RBS
39142	104	12	potent	potent	JJ
39142	104	13	,	,	,
39142	104	14	recalling	recall	VBG
39142	104	15	the	the	DT
39142	104	16	vigorous	vigorous	JJ
39142	104	17	life	life	NN
39142	104	18	of	of	IN
39142	104	19	ancient	ancient	JJ
39142	104	20	Greece	Greece	NNP
39142	104	21	.	.	.
39142	105	1	Copernicus	Copernicus	NNP
39142	105	2	had	have	VBD
39142	105	3	studied	study	VBN
39142	105	4	here	here	RB
39142	105	5	;	;	:
39142	105	6	it	-PRON-	PRP
39142	105	7	was	be	VBD
39142	105	8	the	the	DT
39142	105	9	home	home	NN
39142	105	10	of	of	IN
39142	105	11	Galileo	Galileo	NNP
39142	105	12	.	.	.
39142	106	1	Columbus	Columbus	NNP
39142	106	2	was	be	VBD
39142	106	3	a	a	DT
39142	106	4	Genoese	Genoese	NNP
39142	106	5	,	,	,
39142	106	6	and	and	CC
39142	106	7	the	the	DT
39142	106	8	compass	compass	NN
39142	106	9	which	which	WDT
39142	106	10	guided	guide	VBD
39142	106	11	him	-PRON-	PRP
39142	106	12	to	to	IN
39142	106	13	the	the	DT
39142	106	14	Western	Western	NNP
39142	106	15	World	World	NNP
39142	106	16	was	be	VBD
39142	106	17	a	a	DT
39142	106	18	product	product	NN
39142	106	19	of	of	IN
39142	106	20	deft	deft	JJ
39142	106	21	Italian	italian	JJ
39142	106	22	artisans	artisan	NNS
39142	106	23	whose	whose	WP$
39142	106	24	skill	skill	NN
39142	106	25	with	with	IN
39142	106	26	that	that	DT
39142	106	27	of	of	IN
39142	106	28	their	-PRON-	PRP$
39142	106	29	successors	successor	NNS
39142	106	30	was	be	VBD
39142	106	31	now	now	RB
39142	106	32	available	available	JJ
39142	106	33	to	to	TO
39142	106	34	construct	construct	VB
39142	106	35	the	the	DT
39142	106	36	instruments	instrument	NNS
39142	106	37	necessary	necessary	JJ
39142	106	38	for	for	IN
39142	106	39	further	further	JJ
39142	106	40	progress	progress	NN
39142	106	41	in	in	IN
39142	106	42	the	the	DT
39142	106	43	accurate	accurate	JJ
39142	106	44	science	science	NN
39142	106	45	of	of	IN
39142	106	46	astronomical	astronomical	JJ
39142	106	47	observation	observation	NN
39142	106	48	.	.	.
39142	107	1	Even	even	RB
39142	107	2	before	before	IN
39142	107	3	Copernicus	Copernicus	NNP
39142	107	4	,	,	,
39142	107	5	Johann	Johann	NNP
39142	107	6	Müller	Müller	NNP
39142	107	7	,	,	,
39142	107	8	better	well	RBR
39142	107	9	known	know	VBN
39142	107	10	as	as	IN
39142	107	11	Regiomontanus	Regiomontanus	NNP
39142	107	12	,	,	,
39142	107	13	had	have	VBD
39142	107	14	imbibed	imbibe	VBN
39142	107	15	the	the	DT
39142	107	16	learning	learning	NN
39142	107	17	of	of	IN
39142	107	18	the	the	DT
39142	107	19	Greeks	Greeks	NNPS
39142	107	20	while	while	IN
39142	107	21	studying	study	VBG
39142	107	22	in	in	IN
39142	107	23	Italy	Italy	NNP
39142	107	24	,	,	,
39142	107	25	and	and	CC
39142	107	26	founded	found	VBD
39142	107	27	an	an	DT
39142	107	28	observatory	observatory	NN
39142	107	29	and	and	CC
39142	107	30	issued	issue	VBN
39142	107	31	nautical	nautical	JJ
39142	107	32	almanacs	almanacs	NN
39142	107	33	from	from	IN
39142	107	34	Nuremberg	Nuremberg	NNP
39142	107	35	,	,	,
39142	107	36	the	the	DT
39142	107	37	basis	basis	NN
39142	107	38	of	of	IN
39142	107	39	those	those	DT
39142	107	40	by	by	IN
39142	107	41	which	which	WDT
39142	107	42	Columbus	Columbus	NNP
39142	107	43	was	be	VBD
39142	107	44	guided	guide	VBN
39142	107	45	over	over	IN
39142	107	46	untraversed	untraverse	VBN
39142	107	47	seas	sea	NNS
39142	107	48	.	.	.
39142	108	1	About	about	RB
39142	108	2	this	this	DT
39142	108	3	time	time	NN
39142	108	4	,	,	,
39142	108	5	too	too	RB
39142	108	6	,	,	,
39142	108	7	the	the	DT
39142	108	8	art	art	NN
39142	108	9	of	of	IN
39142	108	10	printing	printing	NN
39142	108	11	was	be	VBD
39142	108	12	invented	invent	VBN
39142	108	13	,	,	,
39142	108	14	and	and	CC
39142	108	15	the	the	DT
39142	108	16	interrelation	interrelation	NN
39142	108	17	of	of	IN
39142	108	18	all	all	PDT
39142	108	19	the	the	DT
39142	108	20	movements	movement	NNS
39142	108	21	then	then	RB
39142	108	22	in	in	IN
39142	108	23	progress	progress	NN
39142	108	24	led	lead	VBD
39142	108	25	up	up	RP
39142	108	26	to	to	IN
39142	108	27	a	a	DT
39142	108	28	general	general	JJ
39142	108	29	awakening	awakening	NN
39142	108	30	of	of	IN
39142	108	31	the	the	DT
39142	108	32	mind	mind	NN
39142	108	33	of	of	IN
39142	108	34	man	man	NN
39142	108	35	,	,	,
39142	108	36	and	and	CC
39142	108	37	eventually	eventually	RB
39142	108	38	an	an	DT
39142	108	39	outburst	outburst	NN
39142	108	40	in	in	IN
39142	108	41	science	science	NN
39142	108	42	and	and	CC
39142	108	43	learning	learning	NN
39142	108	44	,	,	,
39142	108	45	which	which	WDT
39142	108	46	has	have	VBZ
39142	108	47	continued	continue	VBN
39142	108	48	to	to	IN
39142	108	49	the	the	DT
39142	108	50	present	present	JJ
39142	108	51	day	day	NN
39142	108	52	.	.	.
39142	109	1	Naturally	naturally	RB
39142	109	2	it	-PRON-	PRP
39142	109	3	put	put	VBD
39142	109	4	new	new	JJ
39142	109	5	life	life	NN
39142	109	6	into	into	IN
39142	109	7	astronomy	astronomy	NN
39142	109	8	,	,	,
39142	109	9	and	and	CC
39142	109	10	led	lead	VBD
39142	109	11	directly	directly	RB
39142	109	12	up	up	RB
39142	109	13	from	from	IN
39142	109	14	Galileo	Galileo	NNP
39142	109	15	and	and	CC
39142	109	16	his	-PRON-	PRP$
39142	109	17	experimental	experimental	JJ
39142	109	18	philosophy	philosophy	NN
39142	109	19	to	to	IN
39142	109	20	Newton	Newton	NNP
39142	109	21	and	and	CC
39142	109	22	the	the	DT
39142	109	23	_	_	NNP
39142	109	24	Principia	Principia	NNP
39142	109	25	_	_	NNP
39142	109	26	,	,	,
39142	109	27	the	the	DT
39142	109	28	third	third	JJ
39142	109	29	in	in	IN
39142	109	30	the	the	DT
39142	109	31	trinity	trinity	NN
39142	109	32	of	of	IN
39142	109	33	great	great	JJ
39142	109	34	astronomical	astronomical	JJ
39142	109	35	books	book	NNS
39142	109	36	of	of	IN
39142	109	37	all	all	DT
39142	109	38	time	time	NN
39142	109	39	.	.	.
39142	110	1	To	to	TO
39142	110	2	get	get	VB
39142	110	3	to	to	IN
39142	110	4	the	the	DT
39142	110	5	bottom	bottom	NN
39142	110	6	of	of	IN
39142	110	7	things	thing	NNS
39142	110	8	,	,	,
39142	110	9	one	one	PRP
39142	110	10	must	must	MD
39142	110	11	study	study	VB
39142	110	12	intimately	intimately	RB
39142	110	13	the	the	DT
39142	110	14	history	history	NN
39142	110	15	of	of	IN
39142	110	16	the	the	DT
39142	110	17	intellectual	intellectual	JJ
39142	110	18	development	development	NN
39142	110	19	of	of	IN
39142	110	20	Europe	Europe	NNP
39142	110	21	through	through	IN
39142	110	22	the	the	DT
39142	110	23	fifteenth	fifteenth	JJ
39142	110	24	and	and	CC
39142	110	25	sixteenth	sixteenth	JJ
39142	110	26	centuries	century	NNS
39142	110	27	.	.	.
39142	111	1	Many	many	JJ
39142	111	2	of	of	IN
39142	111	3	the	the	DT
39142	111	4	western	western	JJ
39142	111	5	countries	country	NNS
39142	111	6	were	be	VBD
39142	111	7	ruled	rule	VBN
39142	111	8	by	by	IN
39142	111	9	sovereigns	sovereign	NNS
39142	111	10	of	of	IN
39142	111	11	extraordinary	extraordinary	JJ
39142	111	12	vigor	vigor	NN
39142	111	13	and	and	CC
39142	111	14	force	force	NN
39142	111	15	of	of	IN
39142	111	16	character	character	NN
39142	111	17	,	,	,
39142	111	18	and	and	CC
39142	111	19	their	-PRON-	PRP$
39142	111	20	activities	activity	NNS
39142	111	21	tended	tend	VBD
39142	111	22	strongly	strongly	RB
39142	111	23	toward	toward	IN
39142	111	24	that	that	DT
39142	111	25	firm	firm	JJ
39142	111	26	basis	basis	NN
39142	111	27	on	on	IN
39142	111	28	which	which	WDT
39142	111	29	the	the	DT
39142	111	30	foundations	foundation	NNS
39142	111	31	of	of	IN
39142	111	32	modern	modern	JJ
39142	111	33	civilization	civilization	NN
39142	111	34	were	be	VBD
39142	111	35	securely	securely	RB
39142	111	36	laid	lay	VBN
39142	111	37	.	.	.
39142	112	1	Contemporaneously	contemporaneously	RB
39142	112	2	with	with	IN
39142	112	3	this	this	DT
39142	112	4	era	era	NN
39142	112	5	,	,	,
39142	112	6	and	and	CC
39142	112	7	following	follow	VBG
39142	112	8	on	on	RP
39142	112	9	through	through	IN
39142	112	10	the	the	DT
39142	112	11	seventeenth	seventeenth	JJ
39142	112	12	century	century	NN
39142	112	13	,	,	,
39142	112	14	came	come	VBD
39142	112	15	the	the	DT
39142	112	16	measurements	measurement	NNS
39142	112	17	of	of	IN
39142	112	18	the	the	DT
39142	112	19	earth	earth	NN
39142	112	20	by	by	IN
39142	112	21	French	french	JJ
39142	112	22	geodesists	geodesist	NNS
39142	112	23	,	,	,
39142	112	24	the	the	DT
39142	112	25	construction	construction	NN
39142	112	26	of	of	IN
39142	112	27	greater	great	JJR
39142	112	28	and	and	CC
39142	112	29	greater	great	JJR
39142	112	30	telescopes	telescope	NNS
39142	112	31	and	and	CC
39142	112	32	the	the	DT
39142	112	33	wonderful	wonderful	JJ
39142	112	34	discoveries	discovery	NNS
39142	112	35	with	with	IN
39142	112	36	them	-PRON-	PRP
39142	112	37	by	by	IN
39142	112	38	Huygens	Huygens	NNPS
39142	112	39	,	,	,
39142	112	40	Cassini	Cassini	NNP
39142	112	41	,	,	,
39142	112	42	and	and	CC
39142	112	43	many	many	JJ
39142	112	44	others	other	NNS
39142	112	45	.	.	.
39142	113	1	Most	most	RBS
39142	113	2	important	important	JJ
39142	113	3	of	of	IN
39142	113	4	all	all	DT
39142	113	5	was	be	VBD
39142	113	6	the	the	DT
39142	113	7	application	application	NN
39142	113	8	of	of	IN
39142	113	9	telescopes	telescope	NNS
39142	113	10	to	to	IN
39142	113	11	the	the	DT
39142	113	12	instruments	instrument	NNS
39142	113	13	with	with	IN
39142	113	14	which	which	WDT
39142	113	15	angles	angle	NNS
39142	113	16	are	be	VBP
39142	113	17	measured	measure	VBN
39142	113	18	.	.	.
39142	114	1	Then	then	RB
39142	114	2	for	for	IN
39142	114	3	the	the	DT
39142	114	4	first	first	JJ
39142	114	5	time	time	NN
39142	114	6	man	man	NN
39142	114	7	had	have	VBD
39142	114	8	begun	begin	VBN
39142	114	9	to	to	TO
39142	114	10	find	find	VB
39142	114	11	out	out	RP
39142	114	12	that	that	IN
39142	114	13	by	by	IN
39142	114	14	accurate	accurate	JJ
39142	114	15	measures	measure	NNS
39142	114	16	of	of	IN
39142	114	17	the	the	DT
39142	114	18	heavenly	heavenly	JJ
39142	114	19	bodies	body	NNS
39142	114	20	,	,	,
39142	114	21	their	-PRON-	PRP$
39142	114	22	places	place	NNS
39142	114	23	among	among	IN
39142	114	24	the	the	DT
39142	114	25	stars	star	NNS
39142	114	26	,	,	,
39142	114	27	their	-PRON-	PRP$
39142	114	28	sizes	size	NNS
39142	114	29	and	and	CC
39142	114	30	distances	distance	NNS
39142	114	31	,	,	,
39142	114	32	he	-PRON-	PRP
39142	114	33	could	could	MD
39142	114	34	attain	attain	VB
39142	114	35	to	to	TO
39142	114	36	complete	complete	VB
39142	114	37	knowledge	knowledge	NN
39142	114	38	of	of	IN
39142	114	39	them	-PRON-	PRP
39142	114	40	and	and	CC
39142	114	41	so	so	RB
39142	114	42	conquer	conquer	VB
39142	114	43	the	the	DT
39142	114	44	universe	universe	NN
39142	114	45	.	.	.
39142	115	1	But	but	CC
39142	115	2	he	-PRON-	PRP
39142	115	3	soon	soon	RB
39142	115	4	realized	realize	VBD
39142	115	5	the	the	DT
39142	115	6	insufficiency	insufficiency	NN
39142	115	7	of	of	IN
39142	115	8	the	the	DT
39142	115	9	mathematical	mathematical	JJ
39142	115	10	tools	tool	NNS
39142	115	11	with	with	IN
39142	115	12	which	which	WDT
39142	115	13	he	-PRON-	PRP
39142	115	14	worked	work	VBD
39142	115	15	--	--	:
39142	115	16	how	how	WRB
39142	115	17	unsuited	unsuited	JJ
39142	115	18	they	-PRON-	PRP
39142	115	19	were	be	VBD
39142	115	20	to	to	IN
39142	115	21	the	the	DT
39142	115	22	solution	solution	NN
39142	115	23	of	of	IN
39142	115	24	the	the	DT
39142	115	25	problem	problem	NN
39142	115	26	of	of	IN
39142	115	27	three	three	CD
39142	115	28	bodies	body	NNS
39142	115	29	(	(	-LRB-
39142	115	30	sun	sun	NN
39142	115	31	,	,	,
39142	115	32	earth	earth	NN
39142	115	33	,	,	,
39142	115	34	and	and	CC
39142	115	35	moon	moon	NN
39142	115	36	)	)	-RRB-
39142	115	37	under	under	IN
39142	115	38	the	the	DT
39142	115	39	Newtonian	newtonian	JJ
39142	115	40	law	law	NN
39142	115	41	of	of	IN
39142	115	42	gravitation	gravitation	NN
39142	115	43	,	,	,
39142	115	44	let	let	VB
39142	115	45	alone	alone	RB
39142	115	46	the	the	DT
39142	115	47	problem	problem	NN
39142	115	48	of	of	IN
39142	115	49	n	n	NN
39142	115	50	-	-	HYPH
39142	115	51	bodies	body	NNS
39142	115	52	,	,	,
39142	115	53	mutually	mutually	RB
39142	115	54	attracting	attract	VBG
39142	115	55	each	each	DT
39142	115	56	the	the	DT
39142	115	57	other	other	JJ
39142	115	58	;	;	:
39142	115	59	and	and	CC
39142	115	60	every	every	DT
39142	115	61	one	one	NN
39142	115	62	perturbing	perturb	VBG
39142	115	63	the	the	DT
39142	115	64	motion	motion	NN
39142	115	65	of	of	IN
39142	115	66	every	every	DT
39142	115	67	other	other	JJ
39142	115	68	one	one	CD
39142	115	69	.	.	.
39142	116	1	So	so	RB
39142	116	2	the	the	DT
39142	116	3	invention	invention	NN
39142	116	4	of	of	IN
39142	116	5	new	new	JJ
39142	116	6	mathematical	mathematical	JJ
39142	116	7	tools	tool	NNS
39142	116	8	was	be	VBD
39142	116	9	prosecuted	prosecute	VBN
39142	116	10	by	by	IN
39142	116	11	Newton	Newton	NNP
39142	116	12	and	and	CC
39142	116	13	his	-PRON-	PRP$
39142	116	14	rival	rival	JJ
39142	116	15	Leibnitz	Leibnitz	NNP
39142	116	16	,	,	,
39142	116	17	who	who	WP
39142	116	18	,	,	,
39142	116	19	by	by	IN
39142	116	20	the	the	DT
39142	116	21	way	way	NN
39142	116	22	,	,	,
39142	116	23	showed	show	VBD
39142	116	24	himself	-PRON-	PRP
39142	116	25	as	as	RB
39142	116	26	great	great	JJ
39142	116	27	a	a	DT
39142	116	28	man	man	NN
39142	116	29	as	as	IN
39142	116	30	mathematician	mathematician	NNP
39142	116	31	:	:	:
39142	116	32	"	"	``
39142	116	33	taking	take	VBG
39142	116	34	mathematics	mathematic	NNS
39142	116	35	,	,	,
39142	116	36	"	"	''
39142	116	37	wrote	write	VBD
39142	116	38	Leibnitz	Leibnitz	NNP
39142	116	39	,	,	,
39142	116	40	"	"	''
39142	116	41	from	from	IN
39142	116	42	the	the	DT
39142	116	43	beginning	beginning	NN
39142	116	44	of	of	IN
39142	116	45	the	the	DT
39142	116	46	world	world	NN
39142	116	47	to	to	IN
39142	116	48	the	the	DT
39142	116	49	times	time	NNS
39142	116	50	when	when	WRB
39142	116	51	Newton	Newton	NNP
39142	116	52	lived	live	VBD
39142	116	53	,	,	,
39142	116	54	what	what	WP
39142	116	55	he	-PRON-	PRP
39142	116	56	had	have	VBD
39142	116	57	done	do	VBN
39142	116	58	was	be	VBD
39142	116	59	much	much	RB
39142	116	60	the	the	DT
39142	116	61	better	well	JJR
39142	116	62	half	half	NN
39142	116	63	.	.	.
39142	116	64	"	"	''
39142	117	1	Newton	Newton	NNP
39142	117	2	was	be	VBD
39142	117	3	the	the	DT
39142	117	4	greatest	great	JJS
39142	117	5	of	of	IN
39142	117	6	astronomers	astronomer	NNS
39142	117	7	who	who	WP
39142	117	8	,	,	,
39142	117	9	since	since	IN
39142	117	10	the	the	DT
39142	117	11	revival	revival	NN
39142	117	12	of	of	IN
39142	117	13	learning	learning	NN
39142	117	14	,	,	,
39142	117	15	had	have	VBD
39142	117	16	observed	observe	VBN
39142	117	17	the	the	DT
39142	117	18	motions	motion	NNS
39142	117	19	of	of	IN
39142	117	20	the	the	DT
39142	117	21	heavenly	heavenly	JJ
39142	117	22	bodies	body	NNS
39142	117	23	and	and	CC
39142	117	24	sought	seek	VBD
39142	117	25	to	to	TO
39142	117	26	find	find	VB
39142	117	27	out	out	RP
39142	117	28	why	why	WRB
39142	117	29	they	-PRON-	PRP
39142	117	30	moved	move	VBD
39142	117	31	.	.	.
39142	118	1	Copernicus	Copernicus	NNP
39142	118	2	,	,	,
39142	118	3	Tycho	Tycho	NNP
39142	118	4	Brahe	Brahe	NNP
39142	118	5	,	,	,
39142	118	6	Galileo	Galileo	NNP
39142	118	7	,	,	,
39142	118	8	Kepler	Kepler	NNP
39142	118	9	,	,	,
39142	118	10	Newton	Newton	NNP
39142	118	11	,	,	,
39142	118	12	all	all	DT
39142	118	13	are	be	VBP
39142	118	14	bound	bind	VBN
39142	118	15	together	together	RB
39142	118	16	as	as	IN
39142	118	17	in	in	IN
39142	118	18	a	a	DT
39142	118	19	plot	plot	NN
39142	118	20	.	.	.
39142	119	1	Not	not	RB
39142	119	2	one	one	CD
39142	119	3	of	of	IN
39142	119	4	them	-PRON-	PRP
39142	119	5	can	can	MD
39142	119	6	be	be	VB
39142	119	7	dissociated	dissociate	VBN
39142	119	8	from	from	IN
39142	119	9	the	the	DT
39142	119	10	greatest	great	JJS
39142	119	11	of	of	IN
39142	119	12	all	all	DT
39142	119	13	discoveries	discovery	NNS
39142	119	14	.	.	.
39142	120	1	But	but	CC
39142	120	2	Newton	Newton	NNP
39142	120	3	,	,	,
39142	120	4	the	the	DT
39142	120	5	greatest	great	JJS
39142	120	6	of	of	IN
39142	120	7	them	-PRON-	PRP
39142	120	8	all	all	DT
39142	120	9	,	,	,
39142	120	10	revealed	reveal	VBD
39142	120	11	his	-PRON-	PRP$
39142	120	12	greatness	greatness	NN
39142	120	13	even	even	RB
39142	120	14	more	more	RBR
39142	120	15	by	by	IN
39142	120	16	saying	say	VBG
39142	120	17	:	:	:
39142	120	18	"	"	``
39142	120	19	If	if	IN
39142	120	20	I	-PRON-	PRP
39142	120	21	have	have	VBP
39142	120	22	seen	see	VBN
39142	120	23	further	further	RB
39142	120	24	than	than	IN
39142	120	25	other	other	JJ
39142	120	26	men	man	NNS
39142	120	27	,	,	,
39142	120	28	it	-PRON-	PRP
39142	120	29	is	be	VBZ
39142	120	30	because	because	IN
39142	120	31	I	-PRON-	PRP
39142	120	32	have	have	VBP
39142	120	33	been	be	VBN
39142	120	34	standing	stand	VBG
39142	120	35	on	on	IN
39142	120	36	the	the	DT
39142	120	37	shoulders	shoulder	NNS
39142	120	38	of	of	IN
39142	120	39	giants	giant	NNS
39142	120	40	.	.	.
39142	120	41	"	"	''
39142	121	1	Elsewhere	elsewhere	RB
39142	121	2	he	-PRON-	PRP
39142	121	3	says	say	VBZ
39142	121	4	:	:	:
39142	121	5	"	"	``
39142	121	6	All	all	DT
39142	121	7	this	this	DT
39142	121	8	was	be	VBD
39142	121	9	in	in	IN
39142	121	10	the	the	DT
39142	121	11	two	two	CD
39142	121	12	plague	plague	NN
39142	121	13	years	year	NNS
39142	121	14	of	of	IN
39142	121	15	1665	1665	CD
39142	121	16	and	and	CC
39142	121	17	1666	1666	CD
39142	121	18	[	[	-LRB-
39142	121	19	he	-PRON-	PRP
39142	121	20	was	be	VBD
39142	121	21	then	then	RB
39142	121	22	but	but	CC
39142	121	23	twenty	twenty	CD
39142	121	24	-	-	HYPH
39142	121	25	four	four	CD
39142	121	26	]	]	-RRB-
39142	121	27	,	,	,
39142	121	28	for	for	IN
39142	121	29	in	in	IN
39142	121	30	those	those	DT
39142	121	31	days	day	NNS
39142	121	32	I	-PRON-	PRP
39142	121	33	was	be	VBD
39142	121	34	in	in	IN
39142	121	35	the	the	DT
39142	121	36	prime	prime	NN
39142	121	37	of	of	IN
39142	121	38	my	-PRON-	PRP$
39142	121	39	age	age	NN
39142	121	40	for	for	IN
39142	121	41	invention	invention	NN
39142	121	42	,	,	,
39142	121	43	and	and	CC
39142	121	44	minded	minded	JJ
39142	121	45	mathematics	mathematic	NNS
39142	121	46	and	and	CC
39142	121	47	philosophy	philosophy	NN
39142	121	48	more	more	RBR
39142	121	49	than	than	IN
39142	121	50	at	at	IN
39142	121	51	any	any	DT
39142	121	52	time	time	NN
39142	121	53	since	since	RB
39142	121	54	.	.	.
39142	121	55	"	"	''
39142	122	1	All	all	DT
39142	122	2	school	school	NN
39142	122	3	children	child	NNS
39142	122	4	know	know	VBP
39142	122	5	these	these	DT
39142	122	6	as	as	IN
39142	122	7	the	the	DT
39142	122	8	years	year	NNS
39142	122	9	of	of	IN
39142	122	10	the	the	DT
39142	122	11	plague	plague	NN
39142	122	12	and	and	CC
39142	122	13	the	the	DT
39142	122	14	fire	fire	NN
39142	122	15	;	;	:
39142	122	16	but	but	CC
39142	122	17	very	very	RB
39142	122	18	few	few	JJ
39142	122	19	,	,	,
39142	122	20	in	in	IN
39142	122	21	school	school	NN
39142	122	22	or	or	CC
39142	122	23	out	out	RP
39142	122	24	,	,	,
39142	122	25	connect	connect	VB
39142	122	26	these	these	DT
39142	122	27	years	year	NNS
39142	122	28	with	with	IN
39142	122	29	two	two	CD
39142	122	30	other	other	JJ
39142	122	31	far	far	RB
39142	122	32	-	-	HYPH
39142	122	33	reaching	reach	VBG
39142	122	34	events	event	NNS
39142	122	35	in	in	IN
39142	122	36	the	the	DT
39142	122	37	world	world	NN
39142	122	38	's	's	POS
39142	122	39	history	history	NN
39142	122	40	,	,	,
39142	122	41	the	the	DT
39142	122	42	invention	invention	NN
39142	122	43	of	of	IN
39142	122	44	the	the	DT
39142	122	45	infinitesimal	infinitesimal	JJ
39142	122	46	calculus	calculus	NN
39142	122	47	and	and	CC
39142	122	48	the	the	DT
39142	122	49	discovery	discovery	NN
39142	122	50	of	of	IN
39142	122	51	the	the	DT
39142	122	52	law	law	NN
39142	122	53	of	of	IN
39142	122	54	gravitation	gravitation	NN
39142	122	55	.	.	.
39142	123	1	We	-PRON-	PRP
39142	123	2	have	have	VBP
39142	123	3	passed	pass	VBN
39142	123	4	over	over	RP
39142	123	5	the	the	DT
39142	123	6	name	name	NN
39142	123	7	of	of	IN
39142	123	8	Descartes	Descartes	NNPS
39142	123	9	,	,	,
39142	123	10	almost	almost	RB
39142	123	11	contemporary	contemporary	JJ
39142	123	12	with	with	IN
39142	123	13	Galileo	Galileo	NNP
39142	123	14	,	,	,
39142	123	15	the	the	DT
39142	123	16	founder	founder	NN
39142	123	17	of	of	IN
39142	123	18	modern	modern	JJ
39142	123	19	dynamics	dynamic	NNS
39142	123	20	,	,	,
39142	123	21	but	but	CC
39142	123	22	his	-PRON-	PRP$
39142	123	23	initiation	initiation	NN
39142	123	24	of	of	IN
39142	123	25	one	one	CD
39142	123	26	of	of	IN
39142	123	27	the	the	DT
39142	123	28	greatest	great	JJS
39142	123	29	improvements	improvement	NNS
39142	123	30	of	of	IN
39142	123	31	mathematical	mathematical	JJ
39142	123	32	method	method	NN
39142	123	33	can	can	MD
39142	123	34	not	not	RB
39142	123	35	be	be	VB
39142	123	36	overlooked	overlook	VBN
39142	123	37	.	.	.
39142	124	1	This	this	DT
39142	124	2	era	era	NN
39142	124	3	was	be	VBD
39142	124	4	the	the	DT
39142	124	5	beginning	beginning	NN
39142	124	6	of	of	IN
39142	124	7	the	the	DT
39142	124	8	Golden	Golden	NNP
39142	124	9	Age	Age	NNP
39142	124	10	of	of	IN
39142	124	11	Mathematics	Mathematics	NNPS
39142	124	12	that	that	WDT
39142	124	13	embraced	embrace	VBD
39142	124	14	the	the	DT
39142	124	15	lives	life	NNS
39142	124	16	of	of	IN
39142	124	17	the	the	DT
39142	124	18	versatile	versatile	NN
39142	124	19	Euler	Euler	NNP
39142	124	20	,	,	,
39142	124	21	equally	equally	RB
39142	124	22	at	at	IN
39142	124	23	home	home	NN
39142	124	24	in	in	IN
39142	124	25	dynamics	dynamic	NNS
39142	124	26	and	and	CC
39142	124	27	optics	optic	NNS
39142	124	28	and	and	CC
39142	124	29	the	the	DT
39142	124	30	lunar	lunar	JJ
39142	124	31	theory	theory	NN
39142	124	32	;	;	,
39142	124	33	of	of	IN
39142	124	34	La	La	NNP
39142	124	35	Grange	Grange	NNP
39142	124	36	,	,	,
39142	124	37	author	author	NN
39142	124	38	of	of	IN
39142	124	39	the	the	DT
39142	124	40	elegant	elegant	JJ
39142	124	41	"	"	``
39142	124	42	Mécanique	Mécanique	NNP
39142	124	43	Analytique	Analytique	NNP
39142	124	44	"	"	''
39142	124	45	;	;	:
39142	124	46	and	and	CC
39142	124	47	La	La	NNP
39142	124	48	Place	Place	NNP
39142	124	49	,	,	,
39142	124	50	of	of	IN
39142	124	51	the	the	DT
39142	124	52	unparalleled	unparalleled	JJ
39142	124	53	"	"	``
39142	124	54	Mécanique	Mécanique	NNP
39142	124	55	Céleste	Céleste	NNP
39142	124	56	.	.	.
39142	124	57	"	"	''
39142	125	1	With	with	IN
39142	125	2	them	-PRON-	PRP
39142	125	3	and	and	CC
39142	125	4	a	a	DT
39142	125	5	fully	fully	RB
39142	125	6	elaborated	elaborate	VBN
39142	125	7	calculus	calculus	NN
39142	125	8	Newton	Newton	NNP
39142	125	9	's	's	POS
39142	125	10	universal	universal	JJ
39142	125	11	law	law	NN
39142	125	12	had	have	VBD
39142	125	13	been	be	VBN
39142	125	14	extended	extend	VBN
39142	125	15	to	to	IN
39142	125	16	all	all	PDT
39142	125	17	the	the	DT
39142	125	18	motions	motion	NNS
39142	125	19	of	of	IN
39142	125	20	the	the	DT
39142	125	21	cosmos	cosmo	NNS
39142	125	22	.	.	.
39142	126	1	Even	even	RB
39142	126	2	the	the	DT
39142	126	3	tides	tide	NNS
39142	126	4	and	and	CC
39142	126	5	precession	precession	NN
39142	126	6	of	of	IN
39142	126	7	the	the	DT
39142	126	8	equinoxes	equinox	NNS
39142	126	9	and	and	CC
39142	126	10	Bradley	Bradley	NNP
39142	126	11	's	's	POS
39142	126	12	nutation	nutation	NN
39142	126	13	were	be	VBD
39142	126	14	accounted	account	VBN
39142	126	15	for	for	IN
39142	126	16	and	and	CC
39142	126	17	explained	explain	VBD
39142	126	18	.	.	.
39142	127	1	Mathematical	mathematical	JJ
39142	127	2	or	or	CC
39142	127	3	gravitational	gravitational	JJ
39142	127	4	astronomy	astronomy	NN
39142	127	5	had	have	VBD
39142	127	6	attained	attain	VBN
39142	127	7	its	-PRON-	PRP$
39142	127	8	pinnacle	pinnacle	NN
39142	127	9	--	--	:
39142	127	10	it	-PRON-	PRP
39142	127	11	seemed	seem	VBD
39142	127	12	to	to	TO
39142	127	13	be	be	VB
39142	127	14	a	a	DT
39142	127	15	finished	finished	JJ
39142	127	16	science	science	NN
39142	127	17	:	:	:
39142	127	18	all	all	DT
39142	127	19	who	who	WP
39142	127	20	were	be	VBD
39142	127	21	to	to	TO
39142	127	22	come	come	VB
39142	127	23	after	after	IN
39142	127	24	must	must	MD
39142	127	25	be	be	VB
39142	127	26	but	but	CC
39142	127	27	followers	follower	NNS
39142	127	28	.	.	.
39142	128	1	The	the	DT
39142	128	2	culmination	culmination	NN
39142	128	3	of	of	IN
39142	128	4	one	one	CD
39142	128	5	great	great	JJ
39142	128	6	period	period	NN
39142	128	7	,	,	,
39142	128	8	however	however	RB
39142	128	9	,	,	,
39142	128	10	proved	prove	VBD
39142	128	11	to	to	TO
39142	128	12	be	be	VB
39142	128	13	but	but	CC
39142	128	14	the	the	DT
39142	128	15	inception	inception	NN
39142	128	16	of	of	IN
39142	128	17	another	another	DT
39142	128	18	epoch	epoch	NN
39142	128	19	in	in	IN
39142	128	20	the	the	DT
39142	128	21	development	development	NN
39142	128	22	of	of	IN
39142	128	23	the	the	DT
39142	128	24	living	living	NN
39142	128	25	science	science	NN
39142	128	26	.	.	.
39142	129	1	The	the	DT
39142	129	2	greatest	great	JJS
39142	129	3	observer	observer	NN
39142	129	4	of	of	IN
39142	129	5	all	all	DT
39142	129	6	time	time	NN
39142	129	7	,	,	,
39142	129	8	with	with	IN
39142	129	9	a	a	DT
39142	129	10	telescope	telescope	NN
39142	129	11	built	build	VBN
39142	129	12	by	by	IN
39142	129	13	his	-PRON-	PRP$
39142	129	14	own	own	JJ
39142	129	15	hands	hand	NNS
39142	129	16	,	,	,
39142	129	17	had	have	VBD
39142	129	18	discovered	discover	VBN
39142	129	19	a	a	DT
39142	129	20	great	great	JJ
39142	129	21	planet	planet	NN
39142	129	22	far	far	RB
39142	129	23	beyond	beyond	IN
39142	129	24	the	the	DT
39142	129	25	then	then	RB
39142	129	26	confines	confine	NNS
39142	129	27	of	of	IN
39142	129	28	the	the	DT
39142	129	29	solar	solar	JJ
39142	129	30	system	system	NN
39142	129	31	.	.	.
39142	130	1	Mathematicians	mathematician	NNS
39142	130	2	would	would	MD
39142	130	3	take	take	VB
39142	130	4	care	care	NN
39142	130	5	of	of	IN
39142	130	6	Uranus	Uranus	NNP
39142	130	7	,	,	,
39142	130	8	and	and	CC
39142	130	9	Herschel	Herschel	NNP
39142	130	10	was	be	VBD
39142	130	11	left	leave	VBN
39142	130	12	free	free	JJ
39142	130	13	to	to	TO
39142	130	14	build	build	VB
39142	130	15	bigger	big	JJR
39142	130	16	telescopes	telescope	NNS
39142	130	17	still	still	RB
39142	130	18	,	,	,
39142	130	19	and	and	CC
39142	130	20	study	study	VB
39142	130	21	the	the	DT
39142	130	22	construction	construction	NN
39142	130	23	of	of	IN
39142	130	24	the	the	DT
39142	130	25	stellar	stellar	JJ
39142	130	26	universe	universe	NN
39142	130	27	.	.	.
39142	131	1	Down	down	IN
39142	131	2	to	to	IN
39142	131	3	his	-PRON-	PRP$
39142	131	4	day	day	NN
39142	131	5	astronomy	astronomy	NN
39142	131	6	had	have	VBD
39142	131	7	dealt	deal	VBN
39142	131	8	almost	almost	RB
39142	131	9	wholly	wholly	RB
39142	131	10	with	with	IN
39142	131	11	the	the	DT
39142	131	12	positions	position	NNS
39142	131	13	and	and	CC
39142	131	14	motions	motion	NNS
39142	131	15	of	of	IN
39142	131	16	the	the	DT
39142	131	17	celestial	celestial	JJ
39142	131	18	bodies	body	NNS
39142	131	19	--	--	:
39142	131	20	astronomy	astronomy	NNP
39142	131	21	was	be	VBD
39142	131	22	a	a	DT
39142	131	23	science	science	NN
39142	131	24	of	of	IN
39142	131	25	_	_	NNP
39142	131	26	where	where	WRB
39142	131	27	_	_	NNP
39142	131	28	.	.	.
39142	132	1	To	to	TO
39142	132	2	inquire	inquire	VB
39142	132	3	_	_	VB
39142	132	4	what	what	WP
39142	132	5	_	_	NNP
39142	132	6	the	the	DT
39142	132	7	heavenly	heavenly	JJ
39142	132	8	bodies	body	NNS
39142	132	9	_	_	NNP
39142	132	10	are	be	VBP
39142	132	11	_	_	NNP
39142	132	12	,	,	,
39142	132	13	seemed	seem	VBD
39142	132	14	to	to	IN
39142	132	15	Herschel	Herschel	NNP
39142	132	16	worthy	worthy	JJ
39142	132	17	of	of	IN
39142	132	18	his	-PRON-	PRP$
39142	132	19	keenest	keen	JJS
39142	132	20	attention	attention	NN
39142	132	21	also	also	RB
39142	132	22	.	.	.
39142	133	1	While	while	IN
39142	133	2	"	"	``
39142	133	3	a	a	DT
39142	133	4	knowledge	knowledge	NN
39142	133	5	of	of	IN
39142	133	6	the	the	DT
39142	133	7	construction	construction	NN
39142	133	8	of	of	IN
39142	133	9	the	the	DT
39142	133	10	heavens	heavens	NNPS
39142	133	11	has	have	VBZ
39142	133	12	always	always	RB
39142	133	13	been	be	VBN
39142	133	14	the	the	DT
39142	133	15	ultimate	ultimate	JJ
39142	133	16	object	object	NN
39142	133	17	of	of	IN
39142	133	18	my	-PRON-	PRP$
39142	133	19	observations	observation	NNS
39142	133	20	,	,	,
39142	133	21	"	"	''
39142	133	22	as	as	IN
39142	133	23	he	-PRON-	PRP
39142	133	24	said	say	VBD
39142	133	25	,	,	,
39142	133	26	and	and	CC
39142	133	27	his	-PRON-	PRP$
39142	133	28	ingenious	ingenious	JJ
39142	133	29	method	method	NN
39142	133	30	of	of	IN
39142	133	31	star	star	NN
39142	133	32	-	-	HYPH
39142	133	33	gauging	gauging	NNP
39142	133	34	was	be	VBD
39142	133	35	the	the	DT
39142	133	36	first	first	JJ
39142	133	37	practicable	practicable	JJ
39142	133	38	attempt	attempt	NN
39142	133	39	to	to	TO
39142	133	40	investigate	investigate	VB
39142	133	41	the	the	DT
39142	133	42	construction	construction	NN
39142	133	43	of	of	IN
39142	133	44	the	the	DT
39142	133	45	sidereal	sidereal	JJ
39142	133	46	universe	universe	NN
39142	133	47	,	,	,
39142	133	48	he	-PRON-	PRP
39142	133	49	nevertheless	nevertheless	RB
39142	133	50	devoted	devote	VBD
39142	133	51	much	much	JJ
39142	133	52	time	time	NN
39142	133	53	to	to	IN
39142	133	54	the	the	DT
39142	133	55	description	description	NN
39142	133	56	of	of	IN
39142	133	57	nebulæ	nebulæ	NN
39142	133	58	and	and	CC
39142	133	59	their	-PRON-	PRP$
39142	133	60	nature	nature	NN
39142	133	61	,	,	,
39142	133	62	as	as	RB
39142	133	63	well	well	RB
39142	133	64	as	as	IN
39142	133	65	their	-PRON-	PRP$
39142	133	66	distribution	distribution	NN
39142	133	67	in	in	IN
39142	133	68	space	space	NN
39142	133	69	.	.	.
39142	134	1	He	-PRON-	PRP
39142	134	2	was	be	VBD
39142	134	3	the	the	DT
39142	134	4	founder	founder	NN
39142	134	5	of	of	IN
39142	134	6	double	double	JJ
39142	134	7	-	-	HYPH
39142	134	8	star	star	NN
39142	134	9	astronomy	astronomy	NN
39142	134	10	,	,	,
39142	134	11	and	and	CC
39142	134	12	his	-PRON-	PRP$
39142	134	13	researches	research	NNS
39142	134	14	on	on	IN
39142	134	15	the	the	DT
39142	134	16	light	light	NN
39142	134	17	of	of	IN
39142	134	18	the	the	DT
39142	134	19	stars	star	NNS
39142	134	20	by	by	IN
39142	134	21	the	the	DT
39142	134	22	simple	simple	JJ
39142	134	23	method	method	NN
39142	134	24	of	of	IN
39142	134	25	sequences	sequence	NNS
39142	134	26	were	be	VBD
39142	134	27	the	the	DT
39142	134	28	inception	inception	NN
39142	134	29	of	of	IN
39142	134	30	the	the	DT
39142	134	31	vast	vast	JJ
39142	134	32	fields	field	NNS
39142	134	33	of	of	IN
39142	134	34	stellar	stellar	JJ
39142	134	35	photometry	photometry	NN
39142	134	36	and	and	CC
39142	134	37	variable	variable	JJ
39142	134	38	stars	star	NNS
39142	134	39	.	.	.
39142	135	1	The	the	DT
39142	135	2	physics	physics	NN
39142	135	3	of	of	IN
39142	135	4	the	the	DT
39142	135	5	sun	sun	NN
39142	135	6	,	,	,
39142	135	7	also	also	RB
39142	135	8	,	,	,
39142	135	9	was	be	VBD
39142	135	10	by	by	IN
39142	135	11	no	no	DT
39142	135	12	means	means	NN
39142	135	13	neglected	neglect	VBN
39142	135	14	;	;	:
39142	135	15	and	and	CC
39142	135	16	his	-PRON-	PRP$
39142	135	17	lifework	lifework	NN
39142	135	18	earned	earn	VBN
39142	135	19	for	for	IN
39142	135	20	him	-PRON-	PRP
39142	135	21	the	the	DT
39142	135	22	title	title	NN
39142	135	23	of	of	IN
39142	135	24	father	father	NN
39142	135	25	of	of	IN
39142	135	26	descriptive	descriptive	JJ
39142	135	27	astronomy	astronomy	NN
39142	135	28	.	.	.
39142	136	1	While	while	IN
39142	136	2	progress	progress	NN
39142	136	3	and	and	CC
39142	136	4	discovery	discovery	NN
39142	136	5	in	in	IN
39142	136	6	the	the	DT
39142	136	7	earlier	early	JJR
39142	136	8	fields	field	NNS
39142	136	9	of	of	IN
39142	136	10	astronomy	astronomy	NN
39142	136	11	were	be	VBD
39142	136	12	going	go	VBG
39142	136	13	on	on	RP
39142	136	14	,	,	,
39142	136	15	the	the	DT
39142	136	16	initial	initial	JJ
39142	136	17	discoveries	discovery	NNS
39142	136	18	in	in	IN
39142	136	19	the	the	DT
39142	136	20	vast	vast	JJ
39142	136	21	group	group	NN
39142	136	22	of	of	IN
39142	136	23	small	small	JJ
39142	136	24	planets	planet	NNS
39142	136	25	were	be	VBD
39142	136	26	made	make	VBN
39142	136	27	at	at	IN
39142	136	28	the	the	DT
39142	136	29	beginning	beginning	NN
39142	136	30	of	of	IN
39142	136	31	the	the	DT
39142	136	32	nineteenth	nineteenth	JJ
39142	136	33	century	century	NN
39142	136	34	.	.	.
39142	137	1	The	the	DT
39142	137	2	great	great	JJ
39142	137	3	Bessel	Bessel	NNP
39142	137	4	added	add	VBD
39142	137	5	new	new	JJ
39142	137	6	life	life	NN
39142	137	7	to	to	IN
39142	137	8	the	the	DT
39142	137	9	science	science	NN
39142	137	10	by	by	IN
39142	137	11	revolutionizing	revolutionize	VBG
39142	137	12	the	the	DT
39142	137	13	methods	method	NNS
39142	137	14	and	and	CC
39142	137	15	instruments	instrument	NNS
39142	137	16	of	of	IN
39142	137	17	accurate	accurate	JJ
39142	137	18	observation	observation	NN
39142	137	19	,	,	,
39142	137	20	his	-PRON-	PRP$
39142	137	21	work	work	NN
39142	137	22	culminating	culminate	VBG
39142	137	23	in	in	IN
39142	137	24	the	the	DT
39142	137	25	measure	measure	NN
39142	137	26	of	of	IN
39142	137	27	the	the	DT
39142	137	28	distance	distance	NN
39142	137	29	of	of	IN
39142	137	30	61	61	CD
39142	137	31	Cygni	Cygni	NNP
39142	137	32	,	,	,
39142	137	33	first	first	RB
39142	137	34	of	of	IN
39142	137	35	all	all	PDT
39142	137	36	the	the	DT
39142	137	37	stars	star	NNS
39142	137	38	whose	whose	WP$
39142	137	39	distance	distance	NN
39142	137	40	from	from	IN
39142	137	41	the	the	DT
39142	137	42	sun	sun	NN
39142	137	43	became	become	VBD
39142	137	44	known	known	JJ
39142	137	45	.	.	.
39142	138	1	Wonderful	wonderful	JJ
39142	138	2	as	as	IN
39142	138	3	was	be	VBD
39142	138	4	this	this	DT
39142	138	5	achievement	achievement	NN
39142	138	6	,	,	,
39142	138	7	however	however	RB
39142	138	8	,	,	,
39142	138	9	a	a	DT
39142	138	10	greater	great	JJR
39142	138	11	marvel	marvel	NN
39142	138	12	still	still	RB
39142	138	13	was	be	VBD
39142	138	14	announced	announce	VBN
39142	138	15	just	just	RB
39142	138	16	before	before	IN
39142	138	17	the	the	DT
39142	138	18	middle	middle	NN
39142	138	19	of	of	IN
39142	138	20	the	the	DT
39142	138	21	century	century	NN
39142	138	22	--	--	:
39142	138	23	a	a	DT
39142	138	24	new	new	JJ
39142	138	25	planet	planet	NN
39142	138	26	far	far	RB
39142	138	27	beyond	beyond	IN
39142	138	28	Uranus	Uranus	NNP
39142	138	29	,	,	,
39142	138	30	whose	whose	WP$
39142	138	31	discovery	discovery	NN
39142	138	32	was	be	VBD
39142	138	33	made	make	VBN
39142	138	34	as	as	IN
39142	138	35	a	a	DT
39142	138	36	direct	direct	JJ
39142	138	37	result	result	NN
39142	138	38	of	of	IN
39142	138	39	mathematical	mathematical	JJ
39142	138	40	researches	research	NNS
39142	138	41	by	by	IN
39142	138	42	Adams	Adams	NNP
39142	138	43	and	and	CC
39142	138	44	Le	Le	NNP
39142	138	45	Verrier	Verrier	NNP
39142	138	46	,	,	,
39142	138	47	and	and	CC
39142	138	48	affording	afford	VBG
39142	138	49	an	an	DT
39142	138	50	extraordinary	extraordinary	JJ
39142	138	51	verification	verification	NN
39142	138	52	of	of	IN
39142	138	53	the	the	DT
39142	138	54	great	great	JJ
39142	138	55	Newtonian	newtonian	JJ
39142	138	56	law	law	NN
39142	138	57	.	.	.
39142	139	1	These	these	DT
39142	139	2	were	be	VBD
39142	139	3	the	the	DT
39142	139	4	days	day	NNS
39142	139	5	of	of	IN
39142	139	6	great	great	JJ
39142	139	7	discoveries	discovery	NNS
39142	139	8	,	,	,
39142	139	9	and	and	CC
39142	139	10	about	about	IN
39142	139	11	this	this	DT
39142	139	12	time	time	NN
39142	139	13	the	the	DT
39142	139	14	giant	giant	NN
39142	139	15	of	of	IN
39142	139	16	all	all	PDT
39142	139	17	the	the	DT
39142	139	18	astronomical	astronomical	JJ
39142	139	19	tools	tool	NNS
39142	139	20	of	of	IN
39142	139	21	the	the	DT
39142	139	22	century	century	NN
39142	139	23	was	be	VBD
39142	139	24	erected	erect	VBN
39142	139	25	by	by	IN
39142	139	26	Lord	Lord	NNP
39142	139	27	Rosse	Rosse	NNP
39142	139	28	,	,	,
39142	139	29	the	the	DT
39142	139	30	"	"	``
39142	139	31	Leviathan	Leviathan	NNP
39142	139	32	"	"	''
39142	139	33	reflector	reflector	NN
39142	139	34	with	with	IN
39142	139	35	a	a	DT
39142	139	36	speculum	speculum	NN
39142	139	37	six	six	CD
39142	139	38	feet	foot	NNS
39142	139	39	in	in	IN
39142	139	40	diameter	diameter	NN
39142	139	41	,	,	,
39142	139	42	which	which	WDT
39142	139	43	remained	remain	VBD
39142	139	44	for	for	IN
39142	139	45	more	more	JJR
39142	139	46	than	than	IN
39142	139	47	half	half	PDT
39142	139	48	a	a	DT
39142	139	49	century	century	NN
39142	139	50	the	the	DT
39142	139	51	greatest	great	JJS
39142	139	52	telescope	telescope	NN
39142	139	53	in	in	IN
39142	139	54	the	the	DT
39142	139	55	world	world	NN
39142	139	56	,	,	,
39142	139	57	and	and	CC
39142	139	58	whose	whose	WP$
39142	139	59	epochal	epochal	NN
39142	139	60	discovery	discovery	NN
39142	139	61	of	of	IN
39142	139	62	spiral	spiral	JJ
39142	139	63	nebulæ	nebulæ	NN
39142	139	64	has	have	VBZ
39142	139	65	greater	great	JJR
39142	139	66	significance	significance	NN
39142	139	67	than	than	IN
39142	139	68	we	-PRON-	PRP
39142	139	69	yet	yet	RB
39142	139	70	know	know	VBP
39142	139	71	or	or	CC
39142	139	72	perhaps	perhaps	RB
39142	139	73	even	even	RB
39142	139	74	surmise	surmise	VB
39142	139	75	.	.	.
39142	140	1	The	the	DT
39142	140	2	living	living	NN
39142	140	3	science	science	NN
39142	140	4	was	be	VBD
39142	140	5	now	now	RB
39142	140	6	at	at	IN
39142	140	7	the	the	DT
39142	140	8	height	height	NN
39142	140	9	of	of	IN
39142	140	10	a	a	DT
39142	140	11	vigorous	vigorous	JJ
39142	140	12	development	development	NN
39142	140	13	,	,	,
39142	140	14	when	when	WRB
39142	140	15	a	a	DT
39142	140	16	revolutionary	revolutionary	JJ
39142	140	17	discovery	discovery	NN
39142	140	18	was	be	VBD
39142	140	19	announced	announce	VBN
39142	140	20	by	by	IN
39142	140	21	Kirchhoff	Kirchhoff	NNP
39142	140	22	which	which	WDT
39142	140	23	had	have	VBD
39142	140	24	been	be	VBN
39142	140	25	hanging	hang	VBG
39142	140	26	fire	fire	NN
39142	140	27	nearly	nearly	RB
39142	140	28	half	half	PDT
39142	140	29	a	a	DT
39142	140	30	century	century	NN
39142	140	31	--	--	:
39142	140	32	the	the	DT
39142	140	33	half	half	JJ
39142	140	34	century	century	NN
39142	140	35	,	,	,
39142	140	36	too	too	RB
39142	140	37	,	,	,
39142	140	38	which	which	WDT
39142	140	39	had	have	VBD
39142	140	40	witnessed	witness	VBN
39142	140	41	the	the	DT
39142	140	42	invention	invention	NN
39142	140	43	of	of	IN
39142	140	44	photography	photography	NN
39142	140	45	,	,	,
39142	140	46	the	the	DT
39142	140	47	steam	steam	NN
39142	140	48	engine	engine	NN
39142	140	49	,	,	,
39142	140	50	the	the	DT
39142	140	51	railroad	railroad	NN
39142	140	52	,	,	,
39142	140	53	and	and	CC
39142	140	54	the	the	DT
39142	140	55	telegraph	telegraph	NN
39142	140	56	:	:	:
39142	140	57	three	three	CD
39142	140	58	simple	simple	JJ
39142	140	59	laws	law	NNS
39142	140	60	by	by	IN
39142	140	61	which	which	WDT
39142	140	62	the	the	DT
39142	140	63	dark	dark	JJ
39142	140	64	absorption	absorption	NN
39142	140	65	lines	line	NNS
39142	140	66	of	of	IN
39142	140	67	a	a	DT
39142	140	68	spectrum	spectrum	NN
39142	140	69	are	be	VBP
39142	140	70	interpreted	interpret	VBN
39142	140	71	,	,	,
39142	140	72	and	and	CC
39142	140	73	the	the	DT
39142	140	74	physical	physical	JJ
39142	140	75	and	and	CC
39142	140	76	chemical	chemical	NN
39142	140	77	constitution	constitution	NN
39142	140	78	of	of	IN
39142	140	79	sun	sun	NNP
39142	140	80	and	and	CC
39142	140	81	stars	star	NNS
39142	140	82	ascertained	ascertain	VBN
39142	140	83	,	,	,
39142	140	84	no	no	RB
39142	140	85	matter	matter	RB
39142	140	86	what	what	WP
39142	140	87	their	-PRON-	PRP$
39142	140	88	distance	distance	NN
39142	140	89	from	from	IN
39142	140	90	us	-PRON-	PRP
39142	140	91	.	.	.
39142	141	1	Huggins	Huggins	NNP
39142	141	2	in	in	IN
39142	141	3	England	England	NNP
39142	141	4	and	and	CC
39142	141	5	Secchi	Secchi	NNP
39142	141	6	in	in	IN
39142	141	7	Italy	Italy	NNP
39142	141	8	were	be	VBD
39142	141	9	quick	quick	JJ
39142	141	10	to	to	TO
39142	141	11	apply	apply	VB
39142	141	12	the	the	DT
39142	141	13	discovery	discovery	NN
39142	141	14	to	to	IN
39142	141	15	the	the	DT
39142	141	16	stars	star	NNS
39142	141	17	,	,	,
39142	141	18	and	and	CC
39142	141	19	Draper	Draper	NNP
39142	141	20	and	and	CC
39142	141	21	Pickering	Pickering	NNP
39142	141	22	by	by	IN
39142	141	23	masterly	masterly	NNP
39142	141	24	organization	organization	NN
39142	141	25	have	have	VBP
39142	141	26	photographed	photograph	VBN
39142	141	27	and	and	CC
39142	141	28	classified	classify	VBN
39142	141	29	the	the	DT
39142	141	30	spectra	spectra	NN
39142	141	31	of	of	IN
39142	141	32	many	many	JJ
39142	141	33	hundred	hundred	CD
39142	141	34	thousand	thousand	CD
39142	141	35	stars	star	NNS
39142	141	36	of	of	IN
39142	141	37	both	both	DT
39142	141	38	hemispheres	hemisphere	NNS
39142	141	39	,	,	,
39142	141	40	a	a	DT
39142	141	41	research	research	NN
39142	141	42	of	of	IN
39142	141	43	the	the	DT
39142	141	44	highest	high	JJS
39142	141	45	importance	importance	NN
39142	141	46	which	which	WDT
39142	141	47	has	have	VBZ
39142	141	48	proved	prove	VBN
39142	141	49	of	of	IN
39142	141	50	unique	unique	JJ
39142	141	51	service	service	NN
39142	141	52	in	in	IN
39142	141	53	studies	study	NNS
39142	141	54	of	of	IN
39142	141	55	stellar	stellar	JJ
39142	141	56	movements	movement	NNS
39142	141	57	and	and	CC
39142	141	58	the	the	DT
39142	141	59	structure	structure	NN
39142	141	60	of	of	IN
39142	141	61	the	the	DT
39142	141	62	universe	universe	NN
39142	141	63	by	by	IN
39142	141	64	Eddington	Eddington	NNP
39142	141	65	and	and	CC
39142	141	66	Shapley	Shapley	NNP
39142	141	67	,	,	,
39142	141	68	Campbell	Campbell	NNP
39142	141	69	and	and	CC
39142	141	70	Kapteyn	Kapteyn	NNP
39142	141	71	,	,	,
39142	141	72	with	with	IN
39142	141	73	many	many	JJ
39142	141	74	others	other	NNS
39142	141	75	who	who	WP
39142	141	76	are	be	VBP
39142	141	77	still	still	RB
39142	141	78	engaged	engage	VBN
39142	141	79	in	in	IN
39142	141	80	pushing	push	VBG
39142	141	81	our	-PRON-	PRP$
39142	141	82	knowledge	knowledge	NN
39142	141	83	far	far	RB
39142	141	84	beyond	beyond	IN
39142	141	85	the	the	DT
39142	141	86	former	former	JJ
39142	141	87	confines	confine	NNS
39142	141	88	of	of	IN
39142	141	89	the	the	DT
39142	141	90	universe	universe	NN
39142	141	91	.	.	.
39142	142	1	Few	few	JJ
39142	142	2	are	be	VBP
39142	142	3	the	the	DT
39142	142	4	branches	branch	NNS
39142	142	5	of	of	IN
39142	142	6	astronomy	astronomy	NN
39142	142	7	that	that	WDT
39142	142	8	have	have	VBP
39142	142	9	not	not	RB
39142	142	10	been	be	VBN
39142	142	11	modified	modify	VBN
39142	142	12	by	by	IN
39142	142	13	photography	photography	NN
39142	142	14	and	and	CC
39142	142	15	the	the	DT
39142	142	16	spectroscope	spectroscope	NN
39142	142	17	.	.	.
39142	143	1	It	-PRON-	PRP
39142	143	2	has	have	VBZ
39142	143	3	become	become	VBN
39142	143	4	a	a	DT
39142	143	5	measuring	measure	VBG
39142	143	6	tool	tool	NN
39142	143	7	of	of	IN
39142	143	8	the	the	DT
39142	143	9	first	first	JJ
39142	143	10	order	order	NN
39142	143	11	of	of	IN
39142	143	12	accuracy	accuracy	NN
39142	143	13	;	;	,
39142	143	14	measuring	measure	VBG
39142	143	15	the	the	DT
39142	143	16	speed	speed	NN
39142	143	17	of	of	IN
39142	143	18	stars	star	NNS
39142	143	19	and	and	CC
39142	143	20	nebulæ	nebulæ	NN
39142	143	21	toward	toward	IN
39142	143	22	and	and	CC
39142	143	23	from	from	IN
39142	143	24	us	-PRON-	PRP
39142	143	25	;	;	:
39142	143	26	measuring	measure	VBG
39142	143	27	the	the	DT
39142	143	28	rotational	rotational	JJ
39142	143	29	speed	speed	NN
39142	143	30	of	of	IN
39142	143	31	sun	sun	NN
39142	143	32	and	and	CC
39142	143	33	planets	planet	NNS
39142	143	34	,	,	,
39142	143	35	corona	corona	NN
39142	143	36	and	and	CC
39142	143	37	Saturnian	saturnian	JJ
39142	143	38	ring	ring	NN
39142	143	39	;	;	:
39142	143	40	measuring	measure	VBG
39142	143	41	the	the	DT
39142	143	42	distances	distance	NNS
39142	143	43	of	of	IN
39142	143	44	whole	whole	JJ
39142	143	45	classes	class	NNS
39142	143	46	of	of	IN
39142	143	47	stars	star	NNS
39142	143	48	from	from	IN
39142	143	49	the	the	DT
39142	143	50	solar	solar	JJ
39142	143	51	system	system	NN
39142	143	52	;	;	:
39142	143	53	measuring	measure	VBG
39142	143	54	afresh	afresh	RB
39142	143	55	even	even	RB
39142	143	56	the	the	DT
39142	143	57	distance	distance	NN
39142	143	58	of	of	IN
39142	143	59	the	the	DT
39142	143	60	sun	sun	NN
39142	143	61	--	--	:
39142	143	62	the	the	DT
39142	143	63	yardstick	yardstick	NN
39142	143	64	of	of	IN
39142	143	65	our	-PRON-	PRP$
39142	143	66	immediate	immediate	JJ
39142	143	67	universe	universe	NN
39142	143	68	;	;	,
39142	143	69	measuring	measure	VBG
39142	143	70	the	the	DT
39142	143	71	drift	drift	NN
39142	143	72	of	of	IN
39142	143	73	the	the	DT
39142	143	74	sun	sun	NN
39142	143	75	with	with	IN
39142	143	76	his	-PRON-	PRP$
39142	143	77	entire	entire	JJ
39142	143	78	family	family	NN
39142	143	79	of	of	IN
39142	143	80	planets	planet	NNS
39142	143	81	twelve	twelve	CD
39142	143	82	miles	mile	NNS
39142	143	83	every	every	DT
39142	143	84	second	second	NN
39142	143	85	in	in	IN
39142	143	86	the	the	DT
39142	143	87	direction	direction	NN
39142	143	88	of	of	IN
39142	143	89	Alpha	Alpha	NNP
39142	143	90	Lyræ	Lyræ	NNP
39142	143	91	;	;	:
39142	143	92	and	and	CC
39142	143	93	discovering	discover	VBG
39142	143	94	and	and	CC
39142	143	95	measuring	measure	VBG
39142	143	96	the	the	DT
39142	143	97	speed	speed	NN
39142	143	98	of	of	IN
39142	143	99	binary	binary	JJ
39142	143	100	suns	sun	NNS
39142	143	101	too	too	RB
39142	143	102	close	close	JJ
39142	143	103	together	together	RB
39142	143	104	for	for	IN
39142	143	105	our	-PRON-	PRP$
39142	143	106	telescopes	telescope	NNS
39142	143	107	,	,	,
39142	143	108	and	and	CC
39142	143	109	so	so	RB
39142	143	110	making	make	VBG
39142	143	111	real	real	JJ
39142	143	112	the	the	DT
39142	143	113	astronomy	astronomy	NN
39142	143	114	of	of	IN
39142	143	115	the	the	DT
39142	143	116	invisible	invisible	JJ
39142	143	117	.	.	.
39142	144	1	Impatient	impatient	NN
39142	144	2	of	of	IN
39142	144	3	the	the	DT
39142	144	4	handicap	handicap	NN
39142	144	5	of	of	IN
39142	144	6	a	a	DT
39142	144	7	turbulent	turbulent	JJ
39142	144	8	atmosphere	atmosphere	NN
39142	144	9	,	,	,
39142	144	10	the	the	DT
39142	144	11	living	live	VBG
39142	144	12	science	science	NN
39142	144	13	has	have	VBZ
39142	144	14	sought	seek	VBN
39142	144	15	out	out	RP
39142	144	16	mountain	mountain	NN
39142	144	17	tops	top	NNS
39142	144	18	and	and	CC
39142	144	19	there	there	RB
39142	144	20	erected	erect	VBN
39142	144	21	telescopes	telescope	NNS
39142	144	22	vastly	vastly	RB
39142	144	23	greater	great	JJR
39142	144	24	than	than	IN
39142	144	25	the	the	DT
39142	144	26	"	"	``
39142	144	27	Leviathan	Leviathan	NNP
39142	144	28	"	"	''
39142	144	29	of	of	IN
39142	144	30	a	a	DT
39142	144	31	past	past	JJ
39142	144	32	century	century	NN
39142	144	33	.	.	.
39142	145	1	There	there	RB
39142	145	2	the	the	DT
39142	145	3	sun	sun	NN
39142	145	4	in	in	IN
39142	145	5	every	every	DT
39142	145	6	detail	detail	NN
39142	145	7	of	of	IN
39142	145	8	disk	disk	NN
39142	145	9	and	and	CC
39142	145	10	spectrum	spectrum	NN
39142	145	11	is	be	VBZ
39142	145	12	photographed	photograph	VBN
39142	145	13	by	by	IN
39142	145	14	day	day	NN
39142	145	15	,	,	,
39142	145	16	and	and	CC
39142	145	17	stars	star	VBZ
39142	145	18	with	with	IN
39142	145	19	their	-PRON-	PRP$
39142	145	20	spectra	spectra	NN
39142	145	21	and	and	CC
39142	145	22	the	the	DT
39142	145	23	nebulæ	nebulæ	NN
39142	145	24	by	by	IN
39142	145	25	night	night	NN
39142	145	26	.	.	.
39142	146	1	Great	great	JJ
39142	146	2	streams	stream	NNS
39142	146	3	of	of	IN
39142	146	4	stars	star	NNS
39142	146	5	are	be	VBP
39142	146	6	discovered	discover	VBN
39142	146	7	and	and	CC
39142	146	8	the	the	DT
39142	146	9	speed	speed	NN
39142	146	10	and	and	CC
39142	146	11	direction	direction	NN
39142	146	12	of	of	IN
39142	146	13	their	-PRON-	PRP$
39142	146	14	drift	drift	NN
39142	146	15	ascertained	ascertain	VBN
39142	146	16	.	.	.
39142	147	1	The	the	DT
39142	147	2	marvels	marvel	NNS
39142	147	3	of	of	IN
39142	147	4	the	the	DT
39142	147	5	spiral	spiral	JJ
39142	147	6	nebulæ	nebulæ	NN
39142	147	7	are	be	VBP
39142	147	8	unfolded	unfold	VBN
39142	147	9	,	,	,
39142	147	10	their	-PRON-	PRP$
39142	147	11	multitudinous	multitudinous	JJ
39142	147	12	forms	form	NNS
39142	147	13	portrayed	portray	VBN
39142	147	14	and	and	CC
39142	147	15	deciphered	decipher	VBD
39142	147	16	.	.	.
39142	148	1	And	and	CC
39142	148	2	their	-PRON-	PRP$
39142	148	3	distances	distance	NNS
39142	148	4	?	?	.
39142	149	1	And	and	CC
39142	149	2	the	the	DT
39142	149	3	distances	distance	NNS
39142	149	4	of	of	IN
39142	149	5	the	the	DT
39142	149	6	still	still	RB
39142	149	7	more	more	RBR
39142	149	8	wonderful	wonderful	JJ
39142	149	9	clusters	cluster	NNS
39142	149	10	?	?	.
39142	150	1	Far	far	RB
39142	150	2	,	,	,
39142	150	3	inconceivably	inconceivably	RB
39142	150	4	far	far	RB
39142	150	5	beyond	beyond	IN
39142	150	6	the	the	DT
39142	150	7	Milky	Milky	NNP
39142	150	8	Way	Way	NNP
39142	150	9	.	.	.
39142	151	1	And	and	CC
39142	151	2	are	be	VBP
39142	151	3	they	-PRON-	PRP
39142	151	4	"	"	``
39142	151	5	island	island	NN
39142	151	6	universes	universe	NNS
39142	151	7	"	"	''
39142	151	8	?	?	.
39142	152	1	And	and	CC
39142	152	2	can	can	MD
39142	152	3	man	man	VB
39142	152	4	,	,	,
39142	152	5	the	the	DT
39142	152	6	measurer	measurer	NN
39142	152	7	,	,	,
39142	152	8	measure	measure	VB
39142	152	9	the	the	DT
39142	152	10	distance	distance	NN
39142	152	11	of	of	IN
39142	152	12	the	the	DT
39142	152	13	"	"	``
39142	152	14	mainland	mainland	NN
39142	152	15	"	"	''
39142	152	16	beyond	beyond	RB
39142	152	17	?	?	.
39142	153	1	CHAPTER	CHAPTER	NNP
39142	153	2	II	II	NNP
39142	153	3	THE	the	DT
39142	153	4	FIRST	first	JJ
39142	153	5	ASTRONOMERS	astronomer	NNS
39142	153	6	Who	who	WP
39142	153	7	were	be	VBD
39142	153	8	the	the	DT
39142	153	9	first	first	JJ
39142	153	10	astronomers	astronomer	NNS
39142	153	11	?	?	.
39142	154	1	And	and	CC
39142	154	2	who	who	WP
39142	154	3	wrote	write	VBD
39142	154	4	the	the	DT
39142	154	5	first	first	JJ
39142	154	6	treatise	treatise	NN
39142	154	7	on	on	IN
39142	154	8	astronomy	astronomy	NN
39142	154	9	,	,	,
39142	154	10	oldest	old	JJS
39142	154	11	of	of	IN
39142	154	12	the	the	DT
39142	154	13	sciences	science	NNS
39142	154	14	?	?	.
39142	155	1	Questions	question	NNS
39142	155	2	not	not	RB
39142	155	3	easy	easy	JJ
39142	155	4	to	to	TO
39142	155	5	answer	answer	VB
39142	155	6	in	in	IN
39142	155	7	our	-PRON-	PRP$
39142	155	8	day	day	NN
39142	155	9	.	.	.
39142	156	1	With	with	IN
39142	156	2	the	the	DT
39142	156	3	progress	progress	NN
39142	156	4	of	of	IN
39142	156	5	archæological	archæological	JJ
39142	156	6	research	research	NN
39142	156	7	,	,	,
39142	156	8	or	or	CC
39142	156	9	inquiry	inquiry	NN
39142	156	10	into	into	IN
39142	156	11	the	the	DT
39142	156	12	civilization	civilization	NN
39142	156	13	and	and	CC
39142	156	14	monuments	monument	NNS
39142	156	15	of	of	IN
39142	156	16	early	early	JJ
39142	156	17	peoples	people	NNS
39142	156	18	,	,	,
39142	156	19	it	-PRON-	PRP
39142	156	20	becomes	become	VBZ
39142	156	21	certain	certain	JJ
39142	156	22	that	that	DT
39142	156	23	man	man	NN
39142	156	24	has	have	VBZ
39142	156	25	lived	live	VBN
39142	156	26	on	on	IN
39142	156	27	this	this	DT
39142	156	28	planet	planet	NN
39142	156	29	earth	earth	NN
39142	156	30	for	for	IN
39142	156	31	tens	ten	NNS
39142	156	32	of	of	IN
39142	156	33	thousands	thousand	NNS
39142	156	34	of	of	IN
39142	156	35	years	year	NNS
39142	156	36	in	in	IN
39142	156	37	the	the	DT
39142	156	38	past	past	NN
39142	156	39	as	as	IN
39142	156	40	an	an	DT
39142	156	41	intelligent	intelligent	JJ
39142	156	42	,	,	,
39142	156	43	observing	observing	JJ
39142	156	44	,	,	,
39142	156	45	intellectual	intellectual	JJ
39142	156	46	being	being	NN
39142	156	47	;	;	:
39142	156	48	and	and	CC
39142	156	49	it	-PRON-	PRP
39142	156	50	is	be	VBZ
39142	156	51	impossible	impossible	JJ
39142	156	52	to	to	TO
39142	156	53	assign	assign	VB
39142	156	54	any	any	DT
39142	156	55	time	time	NN
39142	156	56	so	so	RB
39142	156	57	remote	remote	JJ
39142	156	58	that	that	IN
39142	156	59	he	-PRON-	PRP
39142	156	60	did	do	VBD
39142	156	61	not	not	RB
39142	156	62	observe	observe	VB
39142	156	63	and	and	CC
39142	156	64	philosophize	philosophize	VB
39142	156	65	upon	upon	IN
39142	156	66	the	the	DT
39142	156	67	firmament	firmament	NN
39142	156	68	above	above	RB
39142	156	69	.	.	.
39142	157	1	We	-PRON-	PRP
39142	157	2	can	can	MD
39142	157	3	hardly	hardly	RB
39142	157	4	imagine	imagine	VB
39142	157	5	a	a	DT
39142	157	6	people	people	NNS
39142	157	7	so	so	RB
39142	157	8	primitive	primitive	JJ
39142	157	9	that	that	IN
39142	157	10	they	-PRON-	PRP
39142	157	11	would	would	MD
39142	157	12	fail	fail	VB
39142	157	13	to	to	TO
39142	157	14	regard	regard	VB
39142	157	15	the	the	DT
39142	157	16	sun	sun	NN
39142	157	17	as	as	IN
39142	157	18	"	"	``
39142	157	19	Lord	Lord	NNP
39142	157	20	of	of	IN
39142	157	21	the	the	DT
39142	157	22	Day	day	NN
39142	157	23	,	,	,
39142	157	24	"	"	''
39142	157	25	and	and	CC
39142	157	26	therefore	therefore	RB
39142	157	27	all	all	DT
39142	157	28	important	important	JJ
39142	157	29	in	in	IN
39142	157	30	the	the	DT
39142	157	31	scheme	scheme	NN
39142	157	32	of	of	IN
39142	157	33	things	thing	NNS
39142	157	34	terrestrial	terrestrial	JJ
39142	157	35	.	.	.
39142	158	1	Says	say	VBZ
39142	158	2	Anne	Anne	NNP
39142	158	3	Bradstreet	Bradstreet	NNP
39142	158	4	of	of	IN
39142	158	5	the	the	DT
39142	158	6	sun	sun	NN
39142	158	7	in	in	IN
39142	158	8	her	-PRON-	PRP$
39142	158	9	"	"	``
39142	158	10	Contemplations	contemplation	NNS
39142	158	11	"	"	''
39142	158	12	:	:	:
39142	158	13	What	what	WDT
39142	158	14	glory	glory	NN
39142	158	15	's	be	VBZ
39142	158	16	like	like	JJ
39142	158	17	to	to	IN
39142	158	18	thee	thee	PRP
39142	158	19	?	?	.
39142	159	1	Soul	soul	NN
39142	159	2	of	of	IN
39142	159	3	this	this	DT
39142	159	4	world	world	NN
39142	159	5	,	,	,
39142	159	6	this	this	DT
39142	159	7	universe	universe	NN
39142	159	8	's	's	POS
39142	159	9	eye	eye	NN
39142	159	10	,	,	,
39142	159	11	No	no	DT
39142	159	12	wonder	wonder	NN
39142	159	13	some	some	DT
39142	159	14	made	make	VBD
39142	159	15	thee	thee	JJ
39142	159	16	deity	deity	NN
39142	159	17	.	.	.
39142	160	1	To	to	IN
39142	160	2	the	the	DT
39142	160	3	Babylonians	Babylonians	NNPS
39142	160	4	belongs	belong	VBZ
39142	160	5	the	the	DT
39142	160	6	credit	credit	NN
39142	160	7	of	of	IN
39142	160	8	the	the	DT
39142	160	9	oldest	old	JJS
39142	160	10	known	know	VBN
39142	160	11	work	work	NN
39142	160	12	on	on	IN
39142	160	13	astronomy	astronomy	NN
39142	160	14	.	.	.
39142	161	1	It	-PRON-	PRP
39142	161	2	was	be	VBD
39142	161	3	written	write	VBN
39142	161	4	nearly	nearly	RB
39142	161	5	six	six	CD
39142	161	6	thousand	thousand	CD
39142	161	7	years	year	NNS
39142	161	8	ago	ago	RB
39142	161	9	,	,	,
39142	161	10	about	about	IN
39142	161	11	B.	B.	NNP
39142	161	12	C.	C.	NNP
39142	161	13	3800	3800	CD
39142	161	14	,	,	,
39142	161	15	by	by	IN
39142	161	16	their	-PRON-	PRP$
39142	161	17	monarch	monarch	NN
39142	161	18	Sargon	Sargon	NNP
39142	161	19	the	the	DT
39142	161	20	First	First	NNP
39142	161	21	,	,	,
39142	161	22	King	King	NNP
39142	161	23	of	of	IN
39142	161	24	Agade	Agade	NNP
39142	161	25	.	.	.
39142	162	1	Only	only	RB
39142	162	2	the	the	DT
39142	162	3	merest	mere	JJS
39142	162	4	fragments	fragment	NNS
39142	162	5	of	of	IN
39142	162	6	this	this	DT
39142	162	7	historic	historic	JJ
39142	162	8	treatise	treatise	NN
39142	162	9	have	have	VBP
39142	162	10	survived	survive	VBN
39142	162	11	,	,	,
39142	162	12	and	and	CC
39142	162	13	they	-PRON-	PRP
39142	162	14	indicate	indicate	VBP
39142	162	15	the	the	DT
39142	162	16	reverence	reverence	NN
39142	162	17	of	of	IN
39142	162	18	the	the	DT
39142	162	19	Babylonians	Babylonians	NNPS
39142	162	20	for	for	IN
39142	162	21	the	the	DT
39142	162	22	sun	sun	NN
39142	162	23	.	.	.
39142	163	1	Another	another	DT
39142	163	2	work	work	NN
39142	163	3	by	by	IN
39142	163	4	Sargon	Sargon	NNP
39142	163	5	is	be	VBZ
39142	163	6	entitled	entitle	VBN
39142	163	7	"	"	``
39142	163	8	Omens	Omens	NNP
39142	163	9	,	,	,
39142	163	10	"	"	''
39142	163	11	which	which	WDT
39142	163	12	shows	show	VBZ
39142	163	13	the	the	DT
39142	163	14	intimate	intimate	JJ
39142	163	15	relationship	relationship	NN
39142	163	16	of	of	IN
39142	163	17	astronomy	astronomy	NN
39142	163	18	to	to	IN
39142	163	19	mysticism	mysticism	NN
39142	163	20	and	and	CC
39142	163	21	superstitious	superstitious	JJ
39142	163	22	worship	worship	NN
39142	163	23	at	at	IN
39142	163	24	this	this	DT
39142	163	25	early	early	JJ
39142	163	26	date	date	NN
39142	163	27	,	,	,
39142	163	28	and	and	CC
39142	163	29	which	which	WDT
39142	163	30	persists	persist	VBZ
39142	163	31	even	even	RB
39142	163	32	at	at	IN
39142	163	33	the	the	DT
39142	163	34	present	present	JJ
39142	163	35	day	day	NN
39142	163	36	.	.	.
39142	164	1	As	as	RB
39142	164	2	remotely	remotely	RB
39142	164	3	as	as	IN
39142	164	4	B.	B.	NNP
39142	164	5	C.	C.	NNP
39142	164	6	3000	3000	CD
39142	164	7	,	,	,
39142	164	8	the	the	DT
39142	164	9	sun	sun	NN
39142	164	10	-	-	HYPH
39142	164	11	god	god	NNP
39142	164	12	Shamash	Shamash	NNP
39142	164	13	and	and	CC
39142	164	14	his	-PRON-	PRP$
39142	164	15	wife	wife	NN
39142	164	16	Aya	Aya	NNP
39142	164	17	are	be	VBP
39142	164	18	carved	carve	VBN
39142	164	19	upon	upon	IN
39142	164	20	the	the	DT
39142	164	21	historic	historic	JJ
39142	164	22	cylinders	cylinder	NNS
39142	164	23	of	of	IN
39142	164	24	hematite	hematite	NN
39142	164	25	and	and	CC
39142	164	26	lapis	lapis	NN
39142	164	27	lazuli	lazuli	NNS
39142	164	28	,	,	,
39142	164	29	and	and	CC
39142	164	30	one	one	CD
39142	164	31	of	of	IN
39142	164	32	the	the	DT
39142	164	33	oldest	old	JJS
39142	164	34	designs	design	NNS
39142	164	35	on	on	IN
39142	164	36	these	these	DT
39142	164	37	cylinders	cylinder	NNS
39142	164	38	represents	represent	VBZ
39142	164	39	the	the	DT
39142	164	40	sun	sun	NN
39142	164	41	-	-	HYPH
39142	164	42	god	god	NNP
39142	164	43	coming	come	VBG
39142	164	44	out	out	IN
39142	164	45	of	of	IN
39142	164	46	the	the	DT
39142	164	47	Door	Door	NNP
39142	164	48	of	of	IN
39142	164	49	Sunrise	Sunrise	NNP
39142	164	50	,	,	,
39142	164	51	while	while	IN
39142	164	52	a	a	DT
39142	164	53	porter	porter	NN
39142	164	54	is	be	VBZ
39142	164	55	opening	open	VBG
39142	164	56	the	the	DT
39142	164	57	Gate	Gate	NNP
39142	164	58	of	of	IN
39142	164	59	the	the	DT
39142	164	60	East	East	NNP
39142	164	61	.	.	.
39142	165	1	The	the	DT
39142	165	2	Semitic	semitic	JJ
39142	165	3	religion	religion	NN
39142	165	4	had	have	VBD
39142	165	5	as	as	IN
39142	165	6	its	-PRON-	PRP$
39142	165	7	basis	basis	NN
39142	165	8	a	a	DT
39142	165	9	reverence	reverence	NN
39142	165	10	for	for	IN
39142	165	11	the	the	DT
39142	165	12	bodies	body	NNS
39142	165	13	of	of	IN
39142	165	14	the	the	DT
39142	165	15	sky	sky	NN
39142	165	16	;	;	:
39142	165	17	and	and	CC
39142	165	18	Samson	Samson	NNP
39142	165	19	,	,	,
39142	165	20	Hebrew	Hebrew	NNP
39142	165	21	for	for	IN
39142	165	22	sun	sun	NN
39142	165	23	,	,	,
39142	165	24	was	be	VBD
39142	165	25	probably	probably	RB
39142	165	26	the	the	DT
39142	165	27	sun	sun	NN
39142	165	28	-	-	HYPH
39142	165	29	god	god	NNP
39142	165	30	of	of	IN
39142	165	31	the	the	DT
39142	165	32	Hebrews	Hebrews	NNPS
39142	165	33	.	.	.
39142	166	1	The	the	DT
39142	166	2	Phoenician	phoenician	JJ
39142	166	3	deity	deity	NN
39142	166	4	,	,	,
39142	166	5	Baal	Baal	NNP
39142	166	6	,	,	,
39142	166	7	was	be	VBD
39142	166	8	a	a	DT
39142	166	9	sun	sun	NN
39142	166	10	-	-	HYPH
39142	166	11	god	god	NNP
39142	166	12	under	under	IN
39142	166	13	differing	differ	VBG
39142	166	14	designations	designation	NNS
39142	166	15	;	;	:
39142	166	16	and	and	CC
39142	166	17	at	at	IN
39142	166	18	the	the	DT
39142	166	19	epoch	epoch	NN
39142	166	20	of	of	IN
39142	166	21	the	the	DT
39142	166	22	Shepherd	Shepherd	NNP
39142	166	23	Kings	Kings	NNPS
39142	166	24	,	,	,
39142	166	25	about	about	IN
39142	166	26	B.	B.	NNP
39142	166	27	C.	C.	NNP
39142	166	28	1500	1500	CD
39142	166	29	,	,	,
39142	166	30	during	during	IN
39142	166	31	the	the	DT
39142	166	32	Hyksos	Hyksos	NNP
39142	166	33	dynasty	dynasty	NN
39142	166	34	,	,	,
39142	166	35	the	the	DT
39142	166	36	sun	sun	NNP
39142	166	37	-	-	HYPH
39142	166	38	god	god	NNP
39142	166	39	was	be	VBD
39142	166	40	represented	represent	VBN
39142	166	41	by	by	IN
39142	166	42	a	a	DT
39142	166	43	circle	circle	NN
39142	166	44	or	or	CC
39142	166	45	disk	disk	NN
39142	166	46	with	with	IN
39142	166	47	extended	extended	JJ
39142	166	48	rays	ray	NNS
39142	166	49	ending	end	VBG
39142	166	50	in	in	IN
39142	166	51	hands	hand	NNS
39142	166	52	,	,	,
39142	166	53	possibly	possibly	RB
39142	166	54	the	the	DT
39142	166	55	precursor	precursor	NN
39142	166	56	of	of	IN
39142	166	57	the	the	DT
39142	166	58	frequently	frequently	RB
39142	166	59	recurring	recur	VBG
39142	166	60	Egyptian	egyptian	JJ
39142	166	61	design	design	NN
39142	166	62	of	of	IN
39142	166	63	the	the	DT
39142	166	64	winged	wing	VBN
39142	166	65	disk	disk	NN
39142	166	66	or	or	CC
39142	166	67	winged	wing	VBD
39142	166	68	solar	solar	JJ
39142	166	69	globe	globe	NN
39142	166	70	.	.	.
39142	167	1	Hittites	hittite	NNS
39142	167	2	,	,	,
39142	167	3	Persians	Persians	NNPS
39142	167	4	,	,	,
39142	167	5	and	and	CC
39142	167	6	Assyrians	Assyrians	NNPS
39142	167	7	,	,	,
39142	167	8	as	as	RB
39142	167	9	well	well	RB
39142	167	10	as	as	IN
39142	167	11	the	the	DT
39142	167	12	Phoenicians	Phoenicians	NNPS
39142	167	13	,	,	,
39142	167	14	frequently	frequently	RB
39142	167	15	represented	represent	VBD
39142	167	16	the	the	DT
39142	167	17	sun	sun	NN
39142	167	18	-	-	HYPH
39142	167	19	god	god	NNP
39142	167	20	in	in	IN
39142	167	21	similar	similar	JJ
39142	167	22	fashion	fashion	NN
39142	167	23	in	in	IN
39142	167	24	their	-PRON-	PRP$
39142	167	25	sacred	sacred	JJ
39142	167	26	glyphs	glyph	NNS
39142	167	27	or	or	CC
39142	167	28	carvings	carving	NNS
39142	167	29	.	.	.
39142	168	1	For	for	IN
39142	168	2	a	a	DT
39142	168	3	long	long	JJ
39142	168	4	period	period	NN
39142	168	5	in	in	IN
39142	168	6	early	early	JJ
39142	168	7	human	human	JJ
39142	168	8	history	history	NN
39142	168	9	,	,	,
39142	168	10	astronomy	astronomy	NN
39142	168	11	and	and	CC
39142	168	12	astrology	astrology	NN
39142	168	13	were	be	VBD
39142	168	14	pretty	pretty	RB
39142	168	15	much	much	RB
39142	168	16	the	the	DT
39142	168	17	same	same	JJ
39142	168	18	.	.	.
39142	169	1	We	-PRON-	PRP
39142	169	2	can	can	MD
39142	169	3	trace	trace	VB
39142	169	4	the	the	DT
39142	169	5	history	history	NN
39142	169	6	of	of	IN
39142	169	7	astrology	astrology	NN
39142	169	8	back	back	RB
39142	169	9	as	as	RB
39142	169	10	far	far	RB
39142	169	11	as	as	IN
39142	169	12	B.	B.	NNP
39142	169	13	C.	C.	NNP
39142	169	14	3000	3000	CD
39142	169	15	in	in	IN
39142	169	16	ancient	ancient	JJ
39142	169	17	Babylonia	Babylonia	NNP
39142	169	18	.	.	.
39142	170	1	The	the	DT
39142	170	2	motions	motion	NNS
39142	170	3	of	of	IN
39142	170	4	the	the	DT
39142	170	5	sun	sun	NN
39142	170	6	,	,	,
39142	170	7	moon	moon	NN
39142	170	8	,	,	,
39142	170	9	and	and	CC
39142	170	10	the	the	DT
39142	170	11	five	five	CD
39142	170	12	lucid	lucid	JJ
39142	170	13	planets	planet	NNS
39142	170	14	of	of	IN
39142	170	15	that	that	DT
39142	170	16	time	time	NN
39142	170	17	indicated	indicate	VBD
39142	170	18	the	the	DT
39142	170	19	activity	activity	NN
39142	170	20	of	of	IN
39142	170	21	the	the	DT
39142	170	22	various	various	JJ
39142	170	23	gods	god	NNS
39142	170	24	who	who	WP
39142	170	25	influenced	influence	VBD
39142	170	26	human	human	JJ
39142	170	27	affairs	affair	NNS
39142	170	28	.	.	.
39142	171	1	So	so	RB
39142	171	2	the	the	DT
39142	171	3	Babylonian	babylonian	JJ
39142	171	4	priests	priest	NNS
39142	171	5	devised	devise	VBD
39142	171	6	an	an	DT
39142	171	7	elaborate	elaborate	JJ
39142	171	8	system	system	NN
39142	171	9	of	of	IN
39142	171	10	interpreting	interpret	VBG
39142	171	11	the	the	DT
39142	171	12	phenomena	phenomenon	NNS
39142	171	13	of	of	IN
39142	171	14	the	the	DT
39142	171	15	heavens	heavens	NNPS
39142	171	16	;	;	:
39142	171	17	and	and	CC
39142	171	18	attaching	attach	VBG
39142	171	19	the	the	DT
39142	171	20	proper	proper	JJ
39142	171	21	significance	significance	NN
39142	171	22	in	in	IN
39142	171	23	human	human	JJ
39142	171	24	terms	term	NNS
39142	171	25	to	to	IN
39142	171	26	everything	everything	NN
39142	171	27	that	that	WDT
39142	171	28	took	take	VBD
39142	171	29	place	place	NN
39142	171	30	in	in	IN
39142	171	31	the	the	DT
39142	171	32	sky	sky	NN
39142	171	33	.	.	.
39142	172	1	In	in	IN
39142	172	2	Babylonia	Babylonia	NNP
39142	172	3	and	and	CC
39142	172	4	Assyria	Assyria	NNP
39142	172	5	it	-PRON-	PRP
39142	172	6	was	be	VBD
39142	172	7	the	the	DT
39142	172	8	king	king	NN
39142	172	9	and	and	CC
39142	172	10	his	-PRON-	PRP$
39142	172	11	people	people	NNS
39142	172	12	for	for	IN
39142	172	13	whom	whom	WP
39142	172	14	the	the	DT
39142	172	15	prognostications	prognostication	NNS
39142	172	16	were	be	VBD
39142	172	17	made	make	VBN
39142	172	18	out	out	RP
39142	172	19	.	.	.
39142	173	1	It	-PRON-	PRP
39142	173	2	was	be	VBD
39142	173	3	the	the	DT
39142	173	4	same	same	JJ
39142	173	5	in	in	IN
39142	173	6	Egypt	Egypt	NNP
39142	173	7	.	.	.
39142	174	1	Later	later	RB
39142	174	2	,	,	,
39142	174	3	about	about	IN
39142	174	4	the	the	DT
39142	174	5	fifth	fifth	JJ
39142	174	6	century	century	NN
39142	174	7	B.	B.	NNP
39142	174	8	C.	C.	NNP
39142	174	9	,	,	,
39142	174	10	astrology	astrology	NN
39142	174	11	spread	spread	VBD
39142	174	12	through	through	IN
39142	174	13	Greece	Greece	NNP
39142	174	14	,	,	,
39142	174	15	where	where	WRB
39142	174	16	astrologers	astrologer	NNS
39142	174	17	developed	develop	VBD
39142	174	18	the	the	DT
39142	174	19	idea	idea	NN
39142	174	20	of	of	IN
39142	174	21	the	the	DT
39142	174	22	influence	influence	NN
39142	174	23	of	of	IN
39142	174	24	planets	planet	NNS
39142	174	25	upon	upon	IN
39142	174	26	individual	individual	JJ
39142	174	27	concerns	concern	NNS
39142	174	28	.	.	.
39142	175	1	Astrology	Astrology	NNP
39142	175	2	persisted	persist	VBD
39142	175	3	through	through	IN
39142	175	4	the	the	DT
39142	175	5	Dark	Dark	NNP
39142	175	6	Ages	Ages	NNPS
39142	175	7	,	,	,
39142	175	8	and	and	CC
39142	175	9	the	the	DT
39142	175	10	great	great	JJ
39142	175	11	astronomers	astronomer	NNS
39142	175	12	Copernicus	Copernicus	NNP
39142	175	13	,	,	,
39142	175	14	Tycho	Tycho	NNP
39142	175	15	,	,	,
39142	175	16	Kepler	Kepler	NNP
39142	175	17	,	,	,
39142	175	18	Gassendi	Gassendi	NNP
39142	175	19	,	,	,
39142	175	20	and	and	CC
39142	175	21	Huygens	Huygens	NNPS
39142	175	22	were	be	VBD
39142	175	23	all	all	DT
39142	175	24	astrologers	astrologer	NNS
39142	175	25	as	as	RB
39142	175	26	well	well	RB
39142	175	27	.	.	.
39142	176	1	Milton	Milton	NNP
39142	176	2	makes	make	VBZ
39142	176	3	many	many	JJ
39142	176	4	references	reference	NNS
39142	176	5	to	to	IN
39142	176	6	planetary	planetary	JJ
39142	176	7	influence	influence	NN
39142	176	8	,	,	,
39142	176	9	our	-PRON-	PRP$
39142	176	10	language	language	NN
39142	176	11	has	have	VBZ
39142	176	12	many	many	JJ
39142	176	13	words	word	NNS
39142	176	14	with	with	IN
39142	176	15	a	a	DT
39142	176	16	direct	direct	JJ
39142	176	17	origin	origin	NN
39142	176	18	in	in	IN
39142	176	19	astrology	astrology	NN
39142	176	20	,	,	,
39142	176	21	and	and	CC
39142	176	22	in	in	IN
39142	176	23	our	-PRON-	PRP$
39142	176	24	great	great	JJ
39142	176	25	cities	city	NNS
39142	176	26	to	to	IN
39142	176	27	-	-	HYPH
39142	176	28	day	day	NN
39142	176	29	are	be	VBP
39142	176	30	many	many	JJ
39142	176	31	astrologers	astrologer	NNS
39142	176	32	who	who	WP
39142	176	33	prepare	prepare	VBP
39142	176	34	individual	individual	JJ
39142	176	35	horoscopes	horoscope	NNS
39142	176	36	of	of	IN
39142	176	37	more	more	JJR
39142	176	38	than	than	IN
39142	176	39	ordinary	ordinary	JJ
39142	176	40	interest	interest	NN
39142	176	41	.	.	.
39142	177	1	It	-PRON-	PRP
39142	177	2	is	be	VBZ
39142	177	3	difficult	difficult	JJ
39142	177	4	to	to	TO
39142	177	5	assign	assign	VB
39142	177	6	the	the	DT
39142	177	7	antiquity	antiquity	NN
39142	177	8	of	of	IN
39142	177	9	the	the	DT
39142	177	10	Chinese	chinese	JJ
39142	177	11	astronomy	astronomy	NN
39142	177	12	with	with	IN
39142	177	13	any	any	DT
39142	177	14	approach	approach	NN
39142	177	15	to	to	IN
39142	177	16	definiteness	definiteness	NN
39142	177	17	.	.	.
39142	178	1	Their	-PRON-	PRP$
39142	178	2	earliest	early	JJS
39142	178	3	records	record	NNS
39142	178	4	appear	appear	VBP
39142	178	5	to	to	TO
39142	178	6	have	have	VB
39142	178	7	been	be	VBN
39142	178	8	total	total	JJ
39142	178	9	eclipses	eclipse	NNS
39142	178	10	of	of	IN
39142	178	11	the	the	DT
39142	178	12	sun	sun	NN
39142	178	13	,	,	,
39142	178	14	going	go	VBG
39142	178	15	back	back	RB
39142	178	16	nearly	nearly	RB
39142	178	17	2,200	2,200	CD
39142	178	18	years	year	NNS
39142	178	19	before	before	IN
39142	178	20	the	the	DT
39142	178	21	Christian	christian	JJ
39142	178	22	era	era	NN
39142	178	23	;	;	:
39142	178	24	and	and	CC
39142	178	25	nearly	nearly	RB
39142	178	26	a	a	DT
39142	178	27	thousand	thousand	CD
39142	178	28	years	year	NNS
39142	178	29	earlier	early	RBR
39142	178	30	the	the	DT
39142	178	31	Hindu	hindu	JJ
39142	178	32	astronomy	astronomy	NN
39142	178	33	sets	set	VBZ
39142	178	34	down	down	RP
39142	178	35	a	a	DT
39142	178	36	conjunction	conjunction	NN
39142	178	37	of	of	IN
39142	178	38	all	all	PDT
39142	178	39	the	the	DT
39142	178	40	planets	planet	NNS
39142	178	41	,	,	,
39142	178	42	concerning	concern	VBG
39142	178	43	which	which	WDT
39142	178	44	,	,	,
39142	178	45	however	however	RB
39142	178	46	,	,	,
39142	178	47	there	there	EX
39142	178	48	is	be	VBZ
39142	178	49	doubt	doubt	NN
39142	178	50	whether	whether	IN
39142	178	51	it	-PRON-	PRP
39142	178	52	was	be	VBD
39142	178	53	actually	actually	RB
39142	178	54	observed	observe	VBN
39142	178	55	or	or	CC
39142	178	56	merely	merely	RB
39142	178	57	calculated	calculate	VBN
39142	178	58	backward	backward	RB
39142	178	59	.	.	.
39142	179	1	Owing	owe	VBG
39142	179	2	to	to	IN
39142	179	3	a	a	DT
39142	179	4	colossal	colossal	JJ
39142	179	5	misfortune	misfortune	NN
39142	179	6	,	,	,
39142	179	7	the	the	DT
39142	179	8	burning	burning	NN
39142	179	9	of	of	IN
39142	179	10	all	all	DT
39142	179	11	native	native	JJ
39142	179	12	scientific	scientific	JJ
39142	179	13	books	book	NNS
39142	179	14	by	by	IN
39142	179	15	order	order	NN
39142	179	16	of	of	IN
39142	179	17	the	the	DT
39142	179	18	Emperor	Emperor	NNP
39142	179	19	Tsin	Tsin	NNP
39142	179	20	-	-	HYPH
39142	179	21	Chi	Chi	NNP
39142	179	22	-	-	HYPH
39142	179	23	Hwang	Hwang	NNP
39142	179	24	-	-	HYPH
39142	179	25	Ti	Ti	NNP
39142	179	26	,	,	,
39142	179	27	in	in	IN
39142	179	28	B.	B.	NNP
39142	179	29	C.	C.	NNP
39142	179	30	221	221	CD
39142	179	31	,	,	,
39142	179	32	excepting	except	VBG
39142	179	33	only	only	RB
39142	179	34	the	the	DT
39142	179	35	volumes	volume	NNS
39142	179	36	relating	relate	VBG
39142	179	37	to	to	IN
39142	179	38	agriculture	agriculture	NN
39142	179	39	,	,	,
39142	179	40	medicine	medicine	NN
39142	179	41	,	,	,
39142	179	42	and	and	CC
39142	179	43	astrology	astrology	NN
39142	179	44	,	,	,
39142	179	45	the	the	DT
39142	179	46	Chinese	Chinese	NNPS
39142	179	47	lost	lose	VBD
39142	179	48	a	a	DT
39142	179	49	precious	precious	JJ
39142	179	50	mass	mass	NN
39142	179	51	of	of	IN
39142	179	52	astronomical	astronomical	JJ
39142	179	53	learning	learning	NN
39142	179	54	,	,	,
39142	179	55	accumulated	accumulate	VBN
39142	179	56	through	through	IN
39142	179	57	the	the	DT
39142	179	58	ages	age	NNS
39142	179	59	.	.	.
39142	180	1	No	no	RB
39142	180	2	less	less	RBR
39142	180	3	an	an	DT
39142	180	4	authority	authority	NN
39142	180	5	than	than	IN
39142	180	6	Wells	Wells	NNP
39142	180	7	Williams	Williams	NNP
39142	180	8	credits	credit	VBZ
39142	180	9	them	-PRON-	PRP
39142	180	10	with	with	IN
39142	180	11	observing	observe	VBG
39142	180	12	600	600	CD
39142	180	13	solar	solar	JJ
39142	180	14	eclipses	eclipse	NNS
39142	180	15	between	between	IN
39142	180	16	B.	B.	NNP
39142	180	17	C.	C.	NNP
39142	180	18	2159	2159	CD
39142	180	19	and	and	CC
39142	180	20	A.	A.	NNP
39142	180	21	D.	D.	NNP
39142	180	22	1223	1223	CD
39142	180	23	,	,	,
39142	180	24	and	and	CC
39142	180	25	there	there	EX
39142	180	26	must	must	MD
39142	180	27	have	have	VB
39142	180	28	been	be	VBN
39142	180	29	some	some	DT
39142	180	30	centuries	century	NNS
39142	180	31	of	of	IN
39142	180	32	eclipses	eclipse	NNS
39142	180	33	observed	observe	VBN
39142	180	34	and	and	CC
39142	180	35	recorded	record	VBN
39142	180	36	anterior	anterior	NN
39142	180	37	to	to	IN
39142	180	38	B.	B.	NNP
39142	180	39	C.	C.	NNP
39142	180	40	2159	2159	CD
39142	180	41	,	,	,
39142	180	42	as	as	IN
39142	180	43	this	this	DT
39142	180	44	is	be	VBZ
39142	180	45	the	the	DT
39142	180	46	date	date	NN
39142	180	47	assigned	assign	VBN
39142	180	48	to	to	IN
39142	180	49	the	the	DT
39142	180	50	eclipse	eclipse	NN
39142	180	51	which	which	WDT
39142	180	52	came	come	VBD
39142	180	53	unheralded	unheralded	JJ
39142	180	54	by	by	IN
39142	180	55	the	the	DT
39142	180	56	astronomers	astronomer	NNS
39142	180	57	royal	royal	JJ
39142	180	58	,	,	,
39142	180	59	Hi	hi	UH
39142	180	60	and	and	CC
39142	180	61	Ho	Ho	NNP
39142	180	62	,	,	,
39142	180	63	who	who	WP
39142	180	64	had	have	VBD
39142	180	65	become	become	VBN
39142	180	66	intoxicated	intoxicate	VBN
39142	180	67	and	and	CC
39142	180	68	forgot	forget	VBD
39142	180	69	to	to	TO
39142	180	70	warn	warn	VB
39142	180	71	the	the	DT
39142	180	72	Court	Court	NNP
39142	180	73	,	,	,
39142	180	74	in	in	IN
39142	180	75	accord	accord	NN
39142	180	76	with	with	IN
39142	180	77	their	-PRON-	PRP$
39142	180	78	duty	duty	NN
39142	180	79	.	.	.
39142	181	1	China	China	NNP
39142	181	2	was	be	VBD
39142	181	3	thereby	thereby	RB
39142	181	4	exposed	expose	VBN
39142	181	5	to	to	IN
39142	181	6	the	the	DT
39142	181	7	anger	anger	NN
39142	181	8	of	of	IN
39142	181	9	the	the	DT
39142	181	10	gods	god	NNS
39142	181	11	,	,	,
39142	181	12	and	and	CC
39142	181	13	Hi	hi	UH
39142	181	14	and	and	CC
39142	181	15	Ho	Ho	NNP
39142	181	16	were	be	VBD
39142	181	17	executed	execute	VBN
39142	181	18	by	by	IN
39142	181	19	his	-PRON-	PRP$
39142	181	20	Majesty	Majesty	NNP
39142	181	21	's	's	POS
39142	181	22	command	command	NN
39142	181	23	.	.	.
39142	182	1	It	-PRON-	PRP
39142	182	2	is	be	VBZ
39142	182	3	doubtful	doubtful	JJ
39142	182	4	if	if	IN
39142	182	5	there	there	EX
39142	182	6	is	be	VBZ
39142	182	7	an	an	DT
39142	182	8	earlier	early	JJR
39142	182	9	record	record	NN
39142	182	10	of	of	IN
39142	182	11	any	any	DT
39142	182	12	celestial	celestial	JJ
39142	182	13	phenomenon	phenomenon	NN
39142	182	14	.	.	.
39142	183	1	CHAPTER	CHAPTER	NNP
39142	183	2	III	III	NNP
39142	183	3	PYRAMID	PYRAMID	NNP
39142	183	4	,	,	,
39142	183	5	TOMB	TOMB	NNP
39142	183	6	,	,	,
39142	183	7	AND	and	CC
39142	183	8	TEMPLE	TEMPLE	NNP
39142	183	9	Inquiry	Inquiry	NNP
39142	183	10	into	into	IN
39142	183	11	the	the	DT
39142	183	12	beginnings	beginning	NNS
39142	183	13	of	of	IN
39142	183	14	astronomy	astronomy	NN
39142	183	15	in	in	IN
39142	183	16	ancient	ancient	JJ
39142	183	17	Egypt	Egypt	NNP
39142	183	18	reveals	reveal	VBZ
39142	183	19	most	most	RBS
39142	183	20	interesting	interesting	JJ
39142	183	21	relations	relation	NNS
39142	183	22	of	of	IN
39142	183	23	the	the	DT
39142	183	24	origins	origin	NNS
39142	183	25	of	of	IN
39142	183	26	the	the	DT
39142	183	27	science	science	NN
39142	183	28	to	to	IN
39142	183	29	the	the	DT
39142	183	30	life	life	NN
39142	183	31	and	and	CC
39142	183	32	work	work	NN
39142	183	33	and	and	CC
39142	183	34	worship	worship	NN
39142	183	35	of	of	IN
39142	183	36	the	the	DT
39142	183	37	people	people	NNS
39142	183	38	.	.	.
39142	184	1	Their	-PRON-	PRP$
39142	184	2	astronomers	astronomer	NNS
39142	184	3	were	be	VBD
39142	184	4	called	call	VBN
39142	184	5	the	the	DT
39142	184	6	"	"	``
39142	184	7	mystery	mystery	NN
39142	184	8	teachers	teacher	NNS
39142	184	9	of	of	IN
39142	184	10	heaven	heaven	NN
39142	184	11	"	"	''
39142	184	12	;	;	:
39142	184	13	their	-PRON-	PRP$
39142	184	14	monuments	monument	NNS
39142	184	15	indicate	indicate	VBP
39142	184	16	a	a	DT
39142	184	17	civilization	civilization	NN
39142	184	18	more	more	RBR
39142	184	19	or	or	CC
39142	184	20	less	less	RBR
39142	184	21	advanced	advanced	JJ
39142	184	22	;	;	:
39142	184	23	and	and	CC
39142	184	24	their	-PRON-	PRP$
39142	184	25	temples	temple	NNS
39142	184	26	were	be	VBD
39142	184	27	built	build	VBN
39142	184	28	on	on	IN
39142	184	29	astronomical	astronomical	JJ
39142	184	30	principles	principle	NNS
39142	184	31	and	and	CC
39142	184	32	dedicated	dedicate	VBN
39142	184	33	to	to	IN
39142	184	34	purpose	purpose	NN
39142	184	35	of	of	IN
39142	184	36	worship	worship	NN
39142	184	37	.	.	.
39142	185	1	The	the	DT
39142	185	2	Egyptian	egyptian	JJ
39142	185	3	records	record	NNS
39142	185	4	carry	carry	VBP
39142	185	5	us	-PRON-	PRP
39142	185	6	back	back	RB
39142	185	7	many	many	JJ
39142	185	8	thousands	thousand	NNS
39142	185	9	of	of	IN
39142	185	10	years	year	NNS
39142	185	11	,	,	,
39142	185	12	and	and	CC
39142	185	13	we	-PRON-	PRP
39142	185	14	find	find	VBP
39142	185	15	that	that	IN
39142	185	16	in	in	IN
39142	185	17	Egypt	Egypt	NNP
39142	185	18	,	,	,
39142	185	19	as	as	IN
39142	185	20	in	in	IN
39142	185	21	other	other	JJ
39142	185	22	early	early	JJ
39142	185	23	civilizations	civilization	NNS
39142	185	24	,	,	,
39142	185	25	observation	observation	NN
39142	185	26	of	of	IN
39142	185	27	the	the	DT
39142	185	28	heavenly	heavenly	JJ
39142	185	29	bodies	body	NNS
39142	185	30	may	may	MD
39142	185	31	be	be	VB
39142	185	32	embraced	embrace	VBN
39142	185	33	in	in	IN
39142	185	34	three	three	CD
39142	185	35	pretty	pretty	RB
39142	185	36	distinct	distinct	JJ
39142	185	37	stages	stage	NNS
39142	185	38	.	.	.
39142	186	1	Awe	Awe	NNP
39142	186	2	,	,	,
39142	186	3	fear	fear	NN
39142	186	4	,	,	,
39142	186	5	wonder	wonder	NN
39142	186	6	and	and	CC
39142	186	7	worship	worship	NN
39142	186	8	were	be	VBD
39142	186	9	the	the	DT
39142	186	10	first	first	JJ
39142	186	11	.	.	.
39142	187	1	Then	then	RB
39142	187	2	came	come	VBD
39142	187	3	utility	utility	NN
39142	187	4	:	:	:
39142	187	5	a	a	DT
39142	187	6	calendar	calendar	NN
39142	187	7	was	be	VBD
39142	187	8	necessary	necessary	JJ
39142	187	9	to	to	TO
39142	187	10	tell	tell	VB
39142	187	11	men	man	NNS
39142	187	12	when	when	WRB
39142	187	13	"	"	``
39142	187	14	to	to	TO
39142	187	15	plow	plow	VB
39142	187	16	and	and	CC
39142	187	17	sow	sow	VB
39142	187	18	,	,	,
39142	187	19	to	to	TO
39142	187	20	reap	reap	VB
39142	187	21	and	and	CC
39142	187	22	mow	mow	VB
39142	187	23	,	,	,
39142	187	24	"	"	''
39142	187	25	and	and	CC
39142	187	26	a	a	DT
39142	187	27	calendar	calendar	NN
39142	187	28	necessitated	necessitate	VBD
39142	187	29	astronomical	astronomical	JJ
39142	187	30	observations	observation	NNS
39142	187	31	of	of	IN
39142	187	32	some	some	DT
39142	187	33	sort	sort	NN
39142	187	34	.	.	.
39142	188	1	Following	follow	VBG
39142	188	2	this	this	DT
39142	188	3	,	,	,
39142	188	4	the	the	DT
39142	188	5	third	third	JJ
39142	188	6	direction	direction	NN
39142	188	7	required	require	VBD
39142	188	8	observations	observation	NNS
39142	188	9	of	of	IN
39142	188	10	celestial	celestial	JJ
39142	188	11	positions	position	NNS
39142	188	12	and	and	CC
39142	188	13	phenomena	phenomenon	NNS
39142	188	14	also	also	RB
39142	188	15	,	,	,
39142	188	16	because	because	IN
39142	188	17	astrology	astrology	NN
39142	188	18	,	,	,
39142	188	19	in	in	IN
39142	188	20	which	which	WDT
39142	188	21	the	the	DT
39142	188	22	potentates	potentate	NNS
39142	188	23	of	of	IN
39142	188	24	every	every	DT
39142	188	25	ancient	ancient	JJ
39142	188	26	realm	realm	NN
39142	188	27	believed	believe	VBN
39142	188	28	,	,	,
39142	188	29	could	could	MD
39142	188	30	only	only	RB
39142	188	31	thrive	thrive	VB
39142	188	32	as	as	IN
39142	188	33	it	-PRON-	PRP
39142	188	34	was	be	VBD
39142	188	35	based	base	VBN
39142	188	36	on	on	IN
39142	188	37	astronomy	astronomy	NN
39142	188	38	.	.	.
39142	189	1	Sun	Sun	NNP
39142	189	2	worship	worship	NN
39142	189	3	was	be	VBD
39142	189	4	preeminent	preeminent	JJ
39142	189	5	in	in	IN
39142	189	6	early	early	JJ
39142	189	7	Egypt	Egypt	NNP
39142	189	8	as	as	IN
39142	189	9	in	in	IN
39142	189	10	India	India	NNP
39142	189	11	,	,	,
39142	189	12	where	where	WRB
39142	189	13	the	the	DT
39142	189	14	primal	primal	JJ
39142	189	15	antithesis	antithesis	NN
39142	189	16	between	between	IN
39142	189	17	night	night	NN
39142	189	18	and	and	CC
39142	189	19	day	day	NN
39142	189	20	struck	strike	VBD
39142	189	21	terror	terror	NN
39142	189	22	in	in	IN
39142	189	23	the	the	DT
39142	189	24	unformed	unformed	JJ
39142	189	25	mind	mind	NN
39142	189	26	of	of	IN
39142	189	27	man	man	NN
39142	189	28	.	.	.
39142	190	1	In	in	IN
39142	190	2	one	one	CD
39142	190	3	of	of	IN
39142	190	4	the	the	DT
39142	190	5	Vedas	Vedas	NNP
39142	190	6	occurs	occur	VBZ
39142	190	7	this	this	DT
39142	190	8	significant	significant	JJ
39142	190	9	song	song	NN
39142	190	10	to	to	IN
39142	190	11	the	the	DT
39142	190	12	god	god	NNP
39142	190	13	of	of	IN
39142	190	14	day	day	NNP
39142	190	15	:	:	:
39142	190	16	"	"	``
39142	190	17	Will	Will	MD
39142	190	18	the	the	DT
39142	190	19	Sun	Sun	NNP
39142	190	20	rise	rise	VB
39142	190	21	again	again	RB
39142	190	22	?	?	.
39142	191	1	Will	Will	MD
39142	191	2	our	-PRON-	PRP$
39142	191	3	old	old	JJ
39142	191	4	friend	friend	NN
39142	191	5	the	the	DT
39142	191	6	Dawn	Dawn	NNP
39142	191	7	come	come	VB
39142	191	8	back	back	RB
39142	191	9	again	again	RB
39142	191	10	?	?	.
39142	192	1	Will	Will	MD
39142	192	2	the	the	DT
39142	192	3	power	power	NN
39142	192	4	of	of	IN
39142	192	5	Darkness	darkness	NN
39142	192	6	be	be	VB
39142	192	7	conquered	conquer	VBN
39142	192	8	by	by	IN
39142	192	9	the	the	DT
39142	192	10	God	God	NNP
39142	192	11	of	of	IN
39142	192	12	Light	Light	NNP
39142	192	13	?	?	.
39142	192	14	"	"	''
39142	193	1	Quite	quite	RB
39142	193	2	different	different	RB
39142	193	3	from	from	IN
39142	193	4	India	India	NNP
39142	193	5	,	,	,
39142	193	6	however	however	RB
39142	193	7	,	,	,
39142	193	8	is	be	VBZ
39142	193	9	Egypt	Egypt	NNP
39142	193	10	in	in	IN
39142	193	11	matters	matter	NNS
39142	193	12	of	of	IN
39142	193	13	record	record	NN
39142	193	14	:	:	:
39142	193	15	in	in	IN
39142	193	16	India	India	NNP
39142	193	17	,	,	,
39142	193	18	records	record	NNS
39142	193	19	in	in	IN
39142	193	20	papyrus	papyrus	NNP
39142	193	21	,	,	,
39142	193	22	but	but	CC
39142	193	23	no	no	DT
39142	193	24	monuments	monument	NNS
39142	193	25	of	of	IN
39142	193	26	very	very	RB
39142	193	27	great	great	JJ
39142	193	28	antiquity	antiquity	NN
39142	193	29	;	;	:
39142	193	30	in	in	IN
39142	193	31	Egypt	Egypt	NNP
39142	193	32	,	,	,
39142	193	33	no	no	DT
39142	193	34	papyrus	papyrus	NN
39142	193	35	,	,	,
39142	193	36	but	but	CC
39142	193	37	monuments	monument	NNS
39142	193	38	of	of	IN
39142	193	39	exceeding	exceed	VBG
39142	193	40	antiquity	antiquity	NN
39142	193	41	in	in	IN
39142	193	42	abundance	abundance	NN
39142	193	43	.	.	.
39142	194	1	Herodotus	Herodotus	NNP
39142	194	2	and	and	CC
39142	194	3	Pliny	Pliny	NNP
39142	194	4	have	have	VBP
39142	194	5	told	tell	VBN
39142	194	6	us	-PRON-	PRP
39142	194	7	of	of	IN
39142	194	8	the	the	DT
39142	194	9	great	great	JJ
39142	194	10	antiquity	antiquity	NN
39142	194	11	of	of	IN
39142	194	12	these	these	DT
39142	194	13	monuments	monument	NNS
39142	194	14	,	,	,
39142	194	15	even	even	RB
39142	194	16	in	in	IN
39142	194	17	their	-PRON-	PRP$
39142	194	18	own	own	JJ
39142	194	19	day	day	NN
39142	194	20	,	,	,
39142	194	21	and	and	CC
39142	194	22	research	research	NN
39142	194	23	by	by	IN
39142	194	24	archæologist	archæologist	NN
39142	194	25	and	and	CC
39142	194	26	astronomer	astronomer	NN
39142	194	27	has	have	VBZ
39142	194	28	made	make	VBN
39142	194	29	it	-PRON-	PRP
39142	194	30	certain	certain	JJ
39142	194	31	that	that	IN
39142	194	32	the	the	DT
39142	194	33	pyramids	pyramid	NNS
39142	194	34	were	be	VBD
39142	194	35	built	build	VBN
39142	194	36	by	by	IN
39142	194	37	a	a	DT
39142	194	38	race	race	NN
39142	194	39	possessing	possess	VBG
39142	194	40	great	great	JJ
39142	194	41	knowledge	knowledge	NN
39142	194	42	of	of	IN
39142	194	43	astronomy	astronomy	NN
39142	194	44	.	.	.
39142	195	1	Their	-PRON-	PRP$
39142	195	2	temples	temple	NNS
39142	195	3	,	,	,
39142	195	4	too	too	RB
39142	195	5	,	,	,
39142	195	6	were	be	VBD
39142	195	7	constructed	construct	VBN
39142	195	8	in	in	IN
39142	195	9	strict	strict	JJ
39142	195	10	relation	relation	NN
39142	195	11	to	to	IN
39142	195	12	stars	star	NNS
39142	195	13	.	.	.
39142	196	1	Not	not	RB
39142	196	2	only	only	RB
39142	196	3	are	be	VBP
39142	196	4	the	the	DT
39142	196	5	temples	temple	NNS
39142	196	6	,	,	,
39142	196	7	as	as	IN
39142	196	8	Edfu	Edfu	NNP
39142	196	9	and	and	CC
39142	196	10	Denderah	Denderah	NNP
39142	196	11	,	,	,
39142	196	12	of	of	IN
39142	196	13	exceeding	exceed	VBG
39142	196	14	interest	interest	NN
39142	196	15	in	in	IN
39142	196	16	themselves	-PRON-	PRP
39142	196	17	,	,	,
39142	196	18	but	but	CC
39142	196	19	associated	associate	VBN
39142	196	20	with	with	IN
39142	196	21	them	-PRON-	PRP
39142	196	22	are	be	VBP
39142	196	23	often	often	RB
39142	196	24	huge	huge	JJ
39142	196	25	monoliths	monolith	NNS
39142	196	26	of	of	IN
39142	196	27	syenite	syenite	NN
39142	196	28	,	,	,
39142	196	29	obelisks	obelisk	NNS
39142	196	30	of	of	IN
39142	196	31	many	many	JJ
39142	196	32	hundred	hundred	CD
39142	196	33	tons	ton	NNS
39142	196	34	in	in	IN
39142	196	35	weight	weight	NN
39142	196	36	,	,	,
39142	196	37	which	which	WDT
39142	196	38	the	the	DT
39142	196	39	astronomer	astronomer	NN
39142	196	40	recognizes	recognize	VBZ
39142	196	41	as	as	IN
39142	196	42	having	have	VBG
39142	196	43	served	serve	VBN
39142	196	44	as	as	IN
39142	196	45	observation	observation	NN
39142	196	46	pillars	pillar	NNS
39142	196	47	or	or	CC
39142	196	48	gnomons	gnomon	NNS
39142	196	49	.	.	.
39142	197	1	Specimens	specimen	NNS
39142	197	2	of	of	IN
39142	197	3	these	these	DT
39142	197	4	have	have	VBP
39142	197	5	wandered	wander	VBN
39142	197	6	as	as	RB
39142	197	7	far	far	RB
39142	197	8	from	from	IN
39142	197	9	home	home	NN
39142	197	10	as	as	IN
39142	197	11	Central	Central	NNP
39142	197	12	Park	Park	NNP
39142	197	13	and	and	CC
39142	197	14	the	the	DT
39142	197	15	bank	bank	NN
39142	197	16	of	of	IN
39142	197	17	the	the	DT
39142	197	18	Thames	Thames	NNP
39142	197	19	.	.	.
39142	198	1	But	but	CC
39142	198	2	there	there	EX
39142	198	3	is	be	VBZ
39142	198	4	an	an	DT
39142	198	5	even	even	RB
39142	198	6	more	more	RBR
39142	198	7	remarkable	remarkable	JJ
39142	198	8	wealth	wealth	NN
39142	198	9	of	of	IN
39142	198	10	temple	temple	NN
39142	198	11	inscriptions	inscription	NNS
39142	198	12	,	,	,
39142	198	13	zodiacs	zodiacs	NNP
39142	198	14	especially	especially	RB
39142	198	15	.	.	.
39142	199	1	Next	next	RB
39142	199	2	to	to	IN
39142	199	3	the	the	DT
39142	199	4	sun	sun	NN
39142	199	5	himself	-PRON-	PRP
39142	199	6	was	be	VBD
39142	199	7	the	the	DT
39142	199	8	worship	worship	NN
39142	199	9	of	of	IN
39142	199	10	the	the	DT
39142	199	11	Dawn	Dawn	NNP
39142	199	12	and	and	CC
39142	199	13	Sunrise	Sunrise	NNP
39142	199	14	,	,	,
39142	199	15	the	the	DT
39142	199	16	great	great	JJ
39142	199	17	revelations	revelation	NNS
39142	199	18	of	of	IN
39142	199	19	nature	nature	NN
39142	199	20	.	.	.
39142	200	1	There	there	EX
39142	200	2	were	be	VBD
39142	200	3	numerous	numerous	JJ
39142	200	4	hymns	hymn	NNS
39142	200	5	to	to	IN
39142	200	6	the	the	DT
39142	200	7	still	still	RB
39142	200	8	more	more	RBR
39142	200	9	numerous	numerous	JJ
39142	200	10	sun	sun	NN
39142	200	11	-	-	HYPH
39142	200	12	gods	god	NNS
39142	200	13	and	and	CC
39142	200	14	the	the	DT
39142	200	15	powers	power	NNS
39142	200	16	of	of	IN
39142	200	17	sunlight	sunlight	NN
39142	200	18	.	.	.
39142	201	1	Ra	Ra	NNP
39142	201	2	was	be	VBD
39142	201	3	the	the	DT
39142	201	4	sun	sun	NN
39142	201	5	-	-	HYPH
39142	201	6	god	god	NNP
39142	201	7	in	in	IN
39142	201	8	his	-PRON-	PRP$
39142	201	9	noontide	noontide	JJ
39142	201	10	strength	strength	NN
39142	201	11	;	;	:
39142	201	12	Osiris	Osiris	NNP
39142	201	13	,	,	,
39142	201	14	the	the	DT
39142	201	15	dying	die	VBG
39142	201	16	sun	sun	NN
39142	201	17	of	of	IN
39142	201	18	sunset	sunset	NN
39142	201	19	.	.	.
39142	202	1	Only	only	RB
39142	202	2	two	two	CD
39142	202	3	gods	god	NNS
39142	202	4	were	be	VBD
39142	202	5	associated	associate	VBN
39142	202	6	with	with	IN
39142	202	7	the	the	DT
39142	202	8	moon	moon	NN
39142	202	9	,	,	,
39142	202	10	and	and	CC
39142	202	11	for	for	IN
39142	202	12	the	the	DT
39142	202	13	stars	star	NNS
39142	202	14	a	a	DT
39142	202	15	special	special	JJ
39142	202	16	goddess	goddess	NN
39142	202	17	,	,	,
39142	202	18	Sesheta	Sesheta	NNP
39142	202	19	.	.	.
39142	203	1	Sacrifices	sacrifice	NNS
39142	203	2	were	be	VBD
39142	203	3	made	make	VBN
39142	203	4	at	at	IN
39142	203	5	day	day	NN
39142	203	6	-	-	HYPH
39142	203	7	break	break	PRP
39142	203	8	;	;	:
39142	203	9	and	and	CC
39142	203	10	the	the	DT
39142	203	11	stars	star	NNS
39142	203	12	that	that	WDT
39142	203	13	heralded	herald	VBD
39142	203	14	the	the	DT
39142	203	15	dawn	dawn	NN
39142	203	16	were	be	VBD
39142	203	17	the	the	DT
39142	203	18	subjects	subject	NNS
39142	203	19	of	of	IN
39142	203	20	careful	careful	JJ
39142	203	21	observation	observation	NN
39142	203	22	by	by	IN
39142	203	23	the	the	DT
39142	203	24	sacrificial	sacrificial	JJ
39142	203	25	priests	priest	NNS
39142	203	26	,	,	,
39142	203	27	who	who	WP
39142	203	28	must	must	MD
39142	203	29	therefore	therefore	RB
39142	203	30	have	have	VB
39142	203	31	possessed	possess	VBN
39142	203	32	a	a	DT
39142	203	33	good	good	JJ
39142	203	34	knowledge	knowledge	NN
39142	203	35	of	of	IN
39142	203	36	star	star	NN
39142	203	37	places	place	NNS
39142	203	38	and	and	CC
39142	203	39	names	name	NNS
39142	203	40	,	,	,
39142	203	41	doubtless	doubtless	RB
39142	203	42	in	in	IN
39142	203	43	belts	belt	NNS
39142	203	44	of	of	IN
39142	203	45	stars	star	NNS
39142	203	46	extending	extend	VBG
39142	203	47	clear	clear	RB
39142	203	48	around	around	IN
39142	203	49	the	the	DT
39142	203	50	heavens	heavens	NNPS
39142	203	51	.	.	.
39142	204	1	These	these	DT
39142	204	2	decans	decan	NNS
39142	204	3	,	,	,
39142	204	4	as	as	IN
39142	204	5	they	-PRON-	PRP
39142	204	6	were	be	VBD
39142	204	7	called	call	VBN
39142	204	8	,	,	,
39142	204	9	are	be	VBP
39142	204	10	the	the	DT
39142	204	11	exact	exact	JJ
39142	204	12	counterparts	counterpart	NNS
39142	204	13	of	of	IN
39142	204	14	the	the	DT
39142	204	15	moon	moon	NN
39142	204	16	stations	station	NNS
39142	204	17	devised	devise	VBN
39142	204	18	by	by	IN
39142	204	19	the	the	DT
39142	204	20	Arabians	Arabians	NNPS
39142	204	21	,	,	,
39142	204	22	Indians	Indians	NNPS
39142	204	23	,	,	,
39142	204	24	and	and	CC
39142	204	25	other	other	JJ
39142	204	26	peoples	people	NNS
39142	204	27	for	for	IN
39142	204	28	a	a	DT
39142	204	29	like	like	JJ
39142	204	30	purpose	purpose	NN
39142	204	31	.	.	.
39142	205	1	The	the	DT
39142	205	2	plane	plane	NN
39142	205	3	or	or	CC
39142	205	4	circle	circle	NN
39142	205	5	of	of	IN
39142	205	6	observation	observation	NN
39142	205	7	,	,	,
39142	205	8	both	both	CC
39142	205	9	in	in	IN
39142	205	10	Egypt	Egypt	NNP
39142	205	11	and	and	CC
39142	205	12	India	India	NNP
39142	205	13	,	,	,
39142	205	14	was	be	VBD
39142	205	15	always	always	RB
39142	205	16	the	the	DT
39142	205	17	horizon	horizon	NN
39142	205	18	,	,	,
39142	205	19	whether	whether	IN
39142	205	20	the	the	DT
39142	205	21	sun	sun	NN
39142	205	22	was	be	VBD
39142	205	23	observed	observe	VBN
39142	205	24	or	or	CC
39142	205	25	moon	moon	NN
39142	205	26	or	or	CC
39142	205	27	stars	star	NNS
39142	205	28	.	.	.
39142	206	1	So	so	RB
39142	206	2	the	the	DT
39142	206	3	sun	sun	NN
39142	206	4	was	be	VBD
39142	206	5	often	often	RB
39142	206	6	worshiped	worship	VBN
39142	206	7	by	by	IN
39142	206	8	the	the	DT
39142	206	9	ancient	ancient	JJ
39142	206	10	Egyptians	Egyptians	NNPS
39142	206	11	as	as	IN
39142	206	12	the	the	DT
39142	206	13	"	"	``
39142	206	14	Lord	Lord	NNP
39142	206	15	of	of	IN
39142	206	16	the	the	DT
39142	206	17	Two	Two	NNP
39142	206	18	Horizons	Horizons	NNPS
39142	206	19	.	.	.
39142	206	20	"	"	''
39142	207	1	It	-PRON-	PRP
39142	207	2	is	be	VBZ
39142	207	3	sometimes	sometimes	RB
39142	207	4	difficult	difficult	JJ
39142	207	5	to	to	TO
39142	207	6	keep	keep	VB
39142	207	7	in	in	IN
39142	207	8	mind	mind	NN
39142	207	9	the	the	DT
39142	207	10	fact	fact	NN
39142	207	11	,	,	,
39142	207	12	in	in	IN
39142	207	13	regard	regard	NN
39142	207	14	to	to	IN
39142	207	15	all	all	DT
39142	207	16	temples	temple	NNS
39142	207	17	of	of	IN
39142	207	18	the	the	DT
39142	207	19	ancients	ancient	NNS
39142	207	20	,	,	,
39142	207	21	whether	whether	IN
39142	207	22	in	in	IN
39142	207	23	Egypt	Egypt	NNP
39142	207	24	or	or	CC
39142	207	25	elsewhere	elsewhere	RB
39142	207	26	,	,	,
39142	207	27	that	that	IN
39142	207	28	in	in	IN
39142	207	29	studying	study	VBG
39142	207	30	them	-PRON-	PRP
39142	207	31	we	-PRON-	PRP
39142	207	32	must	must	MD
39142	207	33	deal	deal	VB
39142	207	34	with	with	IN
39142	207	35	the	the	DT
39142	207	36	risings	rising	NNS
39142	207	37	or	or	CC
39142	207	38	settings	setting	NNS
39142	207	39	of	of	IN
39142	207	40	the	the	DT
39142	207	41	heavenly	heavenly	JJ
39142	207	42	bodies	body	NNS
39142	207	43	in	in	IN
39142	207	44	quite	quite	RB
39142	207	45	different	different	JJ
39142	207	46	fashion	fashion	NN
39142	207	47	from	from	IN
39142	207	48	that	that	DT
39142	207	49	of	of	IN
39142	207	50	the	the	DT
39142	207	51	astronomer	astronomer	NN
39142	207	52	of	of	IN
39142	207	53	to	to	IN
39142	207	54	-	-	HYPH
39142	207	55	day	day	NN
39142	207	56	,	,	,
39142	207	57	who	who	WP
39142	207	58	is	be	VBZ
39142	207	59	mainly	mainly	RB
39142	207	60	concerned	concern	VBN
39142	207	61	only	only	RB
39142	207	62	with	with	IN
39142	207	63	observing	observe	VBG
39142	207	64	them	-PRON-	PRP
39142	207	65	on	on	IN
39142	207	66	the	the	DT
39142	207	67	meridian	meridian	NN
39142	207	68	.	.	.
39142	208	1	The	the	DT
39142	208	2	axis	axi	NNS
39142	208	3	of	of	IN
39142	208	4	the	the	DT
39142	208	5	temple	temple	NN
39142	208	6	shows	show	VBZ
39142	208	7	by	by	IN
39142	208	8	its	-PRON-	PRP$
39142	208	9	direction	direction	NN
39142	208	10	the	the	DT
39142	208	11	place	place	NN
39142	208	12	of	of	IN
39142	208	13	rising	rise	VBG
39142	208	14	or	or	CC
39142	208	15	setting	set	VBG
39142	208	16	:	:	:
39142	208	17	if	if	IN
39142	208	18	the	the	DT
39142	208	19	temple	temple	NNP
39142	208	20	faces	face	VBZ
39142	208	21	directly	directly	RB
39142	208	22	east	east	RB
39142	208	23	or	or	CC
39142	208	24	west	west	NNP
39142	208	25	,	,	,
39142	208	26	its	-PRON-	PRP$
39142	208	27	amplitude	amplitude	NN
39142	208	28	is	be	VBZ
39142	208	29	0	0	CD
39142	208	30	.	.	.
39142	209	1	Now	now	RB
39142	209	2	the	the	DT
39142	209	3	sun	sun	NN
39142	209	4	,	,	,
39142	209	5	moon	moon	NN
39142	209	6	,	,	,
39142	209	7	and	and	CC
39142	209	8	planets	planet	NNS
39142	209	9	are	be	VBP
39142	209	10	,	,	,
39142	209	11	as	as	IN
39142	209	12	everyone	everyone	NN
39142	209	13	knows	know	VBZ
39142	209	14	,	,	,
39142	209	15	very	very	RB
39142	209	16	erratic	erratic	JJ
39142	209	17	as	as	IN
39142	209	18	to	to	IN
39142	209	19	their	-PRON-	PRP$
39142	209	20	amplitudes	amplitude	NNS
39142	209	21	(	(	-LRB-
39142	209	22	i.	i.	NNP
39142	209	23	e.	e.	NNP
39142	209	24	,	,	,
39142	209	25	horizon	horizon	NNP
39142	209	26	points	point	NNS
39142	209	27	)	)	-RRB-
39142	209	28	of	of	IN
39142	209	29	rising	rise	VBG
39142	209	30	and	and	CC
39142	209	31	setting	set	VBG
39142	209	32	;	;	:
39142	209	33	so	so	CC
39142	209	34	it	-PRON-	PRP
39142	209	35	must	must	MD
39142	209	36	have	have	VB
39142	209	37	been	be	VBN
39142	209	38	the	the	DT
39142	209	39	stars	star	NNS
39142	209	40	that	that	WDT
39142	209	41	engrossed	engross	VBD
39142	209	42	the	the	DT
39142	209	43	attention	attention	NN
39142	209	44	of	of	IN
39142	209	45	the	the	DT
39142	209	46	earliest	early	JJS
39142	209	47	builders	builder	NNS
39142	209	48	of	of	IN
39142	209	49	temples	temple	NNS
39142	209	50	.	.	.
39142	210	1	After	after	IN
39142	210	2	that	that	DT
39142	210	3	,	,	,
39142	210	4	temples	temple	NNS
39142	210	5	were	be	VBD
39142	210	6	directed	direct	VBN
39142	210	7	to	to	IN
39142	210	8	the	the	DT
39142	210	9	rising	rise	VBG
39142	210	10	sun	sun	NN
39142	210	11	,	,	,
39142	210	12	at	at	IN
39142	210	13	the	the	DT
39142	210	14	equinox	equinox	JJ
39142	210	15	or	or	CC
39142	210	16	solstices	solstice	NNS
39142	210	17	.	.	.
39142	211	1	Then	then	RB
39142	211	2	came	come	VBD
39142	211	3	the	the	DT
39142	211	4	necessity	necessity	NN
39142	211	5	of	of	IN
39142	211	6	finding	find	VBG
39142	211	7	out	out	RP
39142	211	8	about	about	IN
39142	211	9	the	the	DT
39142	211	10	inclination	inclination	NN
39142	211	11	or	or	CC
39142	211	12	obliquity	obliquity	NN
39142	211	13	of	of	IN
39142	211	14	the	the	DT
39142	211	15	ecliptic	ecliptic	JJ
39142	211	16	,	,	,
39142	211	17	and	and	CC
39142	211	18	this	this	DT
39142	211	19	is	be	VBZ
39142	211	20	where	where	WRB
39142	211	21	the	the	DT
39142	211	22	gnomon	gnomon	NN
39142	211	23	was	be	VBD
39142	211	24	employed	employ	VBN
39142	211	25	.	.	.
39142	212	1	At	at	IN
39142	212	2	Karnak	Karnak	NNP
39142	212	3	are	be	VBP
39142	212	4	many	many	JJ
39142	212	5	temples	temple	NNS
39142	212	6	of	of	IN
39142	212	7	the	the	DT
39142	212	8	solstitial	solstitial	JJ
39142	212	9	order	order	NN
39142	212	10	:	:	:
39142	212	11	the	the	DT
39142	212	12	wonderful	wonderful	JJ
39142	212	13	temple	temple	NN
39142	212	14	of	of	IN
39142	212	15	Amen	Amen	NNP
39142	212	16	-	-	HYPH
39142	212	17	Ra	Ra	NNP
39142	212	18	is	be	VBZ
39142	212	19	so	so	RB
39142	212	20	oriented	orient	VBN
39142	212	21	that	that	IN
39142	212	22	its	-PRON-	PRP$
39142	212	23	axis	axis	NN
39142	212	24	stands	stand	VBZ
39142	212	25	in	in	IN
39142	212	26	amplitude	amplitude	NNP
39142	212	27	26	26	CD
39142	212	28	degrees	degree	NNS
39142	212	29	north	north	RB
39142	212	30	of	of	IN
39142	212	31	west	west	NN
39142	212	32	,	,	,
39142	212	33	which	which	WDT
39142	212	34	is	be	VBZ
39142	212	35	the	the	DT
39142	212	36	exact	exact	JJ
39142	212	37	amplitude	amplitude	NN
39142	212	38	of	of	IN
39142	212	39	the	the	DT
39142	212	40	sun	sun	NN
39142	212	41	at	at	IN
39142	212	42	Thebes	Thebes	NNP
39142	212	43	at	at	IN
39142	212	44	sunset	sunset	NN
39142	212	45	of	of	IN
39142	212	46	the	the	DT
39142	212	47	summer	summer	NN
39142	212	48	solstice	solstice	NN
39142	212	49	.	.	.
39142	213	1	The	the	DT
39142	213	2	axis	axi	NNS
39142	213	3	of	of	IN
39142	213	4	a	a	DT
39142	213	5	lesser	less	JJR
39142	213	6	temple	temple	NN
39142	213	7	adjacent	adjacent	JJ
39142	213	8	points	point	NNS
39142	213	9	to	to	IN
39142	213	10	26	26	CD
39142	213	11	degrees	degree	NNS
39142	213	12	south	south	RB
39142	213	13	of	of	IN
39142	213	14	east	east	NN
39142	213	15	,	,	,
39142	213	16	which	which	WDT
39142	213	17	is	be	VBZ
39142	213	18	the	the	DT
39142	213	19	exact	exact	JJ
39142	213	20	amplitude	amplitude	NN
39142	213	21	of	of	IN
39142	213	22	sunrise	sunrise	NN
39142	213	23	at	at	IN
39142	213	24	the	the	DT
39142	213	25	winter	winter	NN
39142	213	26	solstice	solstice	NN
39142	213	27	.	.	.
39142	214	1	At	at	IN
39142	214	2	Gizeh	Gizeh	NNP
39142	214	3	we	-PRON-	PRP
39142	214	4	find	find	VBP
39142	214	5	the	the	DT
39142	214	6	temples	temple	NNS
39142	214	7	oriented	orient	VBN
39142	214	8	,	,	,
39142	214	9	not	not	RB
39142	214	10	solstitially	solstitially	RB
39142	214	11	,	,	,
39142	214	12	but	but	CC
39142	214	13	by	by	IN
39142	214	14	the	the	DT
39142	214	15	equinoxes	equinox	NNS
39142	214	16	,	,	,
39142	214	17	that	that	RB
39142	214	18	is	is	RB
39142	214	19	,	,	,
39142	214	20	they	-PRON-	PRP
39142	214	21	face	face	VBP
39142	214	22	due	due	JJ
39142	214	23	east	east	NNP
39142	214	24	and	and	CC
39142	214	25	west	west	NNP
39142	214	26	.	.	.
39142	215	1	Peoples	people	NNS
39142	215	2	who	who	WP
39142	215	3	worshiped	worship	VBD
39142	215	4	the	the	DT
39142	215	5	sun	sun	NN
39142	215	6	at	at	IN
39142	215	7	the	the	DT
39142	215	8	solstice	solstice	NN
39142	215	9	must	must	MD
39142	215	10	have	have	VB
39142	215	11	begun	begin	VBN
39142	215	12	their	-PRON-	PRP$
39142	215	13	year	year	NN
39142	215	14	at	at	IN
39142	215	15	the	the	DT
39142	215	16	solstice	solstice	NN
39142	215	17	;	;	,
39142	215	18	and	and	CC
39142	215	19	Sir	Sir	NNP
39142	215	20	Norman	Norman	NNP
39142	215	21	Lockyer	Lockyer	NNP
39142	215	22	shows	show	VBZ
39142	215	23	how	how	WRB
39142	215	24	the	the	DT
39142	215	25	rise	rise	NN
39142	215	26	of	of	IN
39142	215	27	the	the	DT
39142	215	28	Nile	Nile	NNP
39142	215	29	,	,	,
39142	215	30	which	which	WDT
39142	215	31	took	take	VBD
39142	215	32	place	place	NN
39142	215	33	at	at	IN
39142	215	34	the	the	DT
39142	215	35	summer	summer	NN
39142	215	36	solstice	solstice	NN
39142	215	37	,	,	,
39142	215	38	dominated	dominate	VBD
39142	215	39	not	not	RB
39142	215	40	only	only	RB
39142	215	41	the	the	DT
39142	215	42	industry	industry	NN
39142	215	43	but	but	CC
39142	215	44	the	the	DT
39142	215	45	astronomy	astronomy	NN
39142	215	46	and	and	CC
39142	215	47	religion	religion	NN
39142	215	48	of	of	IN
39142	215	49	Egypt	Egypt	NNP
39142	215	50	.	.	.
39142	216	1	Looking	look	VBG
39142	216	2	into	into	IN
39142	216	3	the	the	DT
39142	216	4	question	question	NN
39142	216	5	of	of	IN
39142	216	6	temple	temple	NNP
39142	216	7	orientation	orientation	NN
39142	216	8	in	in	IN
39142	216	9	other	other	JJ
39142	216	10	countries	country	NNS
39142	216	11	,	,	,
39142	216	12	as	as	IN
39142	216	13	China	China	NNP
39142	216	14	,	,	,
39142	216	15	for	for	IN
39142	216	16	example	example	NN
39142	216	17	,	,	,
39142	216	18	Lockyer	Lockyer	NNP
39142	216	19	finds	find	VBZ
39142	216	20	that	that	IN
39142	216	21	the	the	DT
39142	216	22	most	most	RBS
39142	216	23	important	important	JJ
39142	216	24	temple	temple	NN
39142	216	25	of	of	IN
39142	216	26	that	that	DT
39142	216	27	country	country	NN
39142	216	28	,	,	,
39142	216	29	the	the	DT
39142	216	30	Temple	Temple	NNP
39142	216	31	of	of	IN
39142	216	32	the	the	DT
39142	216	33	Sun	Sun	NNP
39142	216	34	at	at	IN
39142	216	35	Peking	Peking	NNP
39142	216	36	,	,	,
39142	216	37	is	be	VBZ
39142	216	38	oriented	orient	VBN
39142	216	39	to	to	IN
39142	216	40	the	the	DT
39142	216	41	winter	winter	NN
39142	216	42	solstice	solstice	NN
39142	216	43	;	;	:
39142	216	44	and	and	CC
39142	216	45	Stonehenge	Stonehenge	NNP
39142	216	46	,	,	,
39142	216	47	as	as	IN
39142	216	48	has	have	VBZ
39142	216	49	long	long	RB
39142	216	50	been	be	VBN
39142	216	51	known	know	VBN
39142	216	52	,	,	,
39142	216	53	is	be	VBZ
39142	216	54	oriented	orient	VBN
39142	216	55	to	to	TO
39142	216	56	sunrise	sunrise	VB
39142	216	57	at	at	IN
39142	216	58	the	the	DT
39142	216	59	summer	summer	NN
39142	216	60	solstice	solstice	NN
39142	216	61	.	.	.
39142	217	1	In	in	IN
39142	217	2	like	like	JJ
39142	217	3	fashion	fashion	NN
39142	217	4	the	the	DT
39142	217	5	rising	rise	VBG
39142	217	6	and	and	CC
39142	217	7	setting	setting	NN
39142	217	8	of	of	IN
39142	217	9	many	many	JJ
39142	217	10	stars	star	NNS
39142	217	11	were	be	VBD
39142	217	12	utilized	utilize	VBN
39142	217	13	by	by	IN
39142	217	14	the	the	DT
39142	217	15	Egyptians	Egyptians	NNPS
39142	217	16	,	,	,
39142	217	17	in	in	IN
39142	217	18	both	both	DT
39142	217	19	temple	temple	NNP
39142	217	20	and	and	CC
39142	217	21	pyramid	pyramid	NNP
39142	217	22	;	;	:
39142	217	23	and	and	CC
39142	217	24	no	no	DT
39142	217	25	astronomer	astronomer	NN
39142	217	26	who	who	WP
39142	217	27	has	have	VBZ
39142	217	28	ever	ever	RB
39142	217	29	seen	see	VBN
39142	217	30	these	these	DT
39142	217	31	ancient	ancient	JJ
39142	217	32	structures	structure	NNS
39142	217	33	and	and	CC
39142	217	34	studied	study	VBD
39142	217	35	their	-PRON-	PRP$
39142	217	36	orientations	orientation	NNS
39142	217	37	can	can	MD
39142	217	38	doubt	doubt	VB
39142	217	39	that	that	IN
39142	217	40	they	-PRON-	PRP
39142	217	41	were	be	VBD
39142	217	42	built	build	VBN
39142	217	43	by	by	IN
39142	217	44	astronomers	astronomer	NNS
39142	217	45	for	for	IN
39142	217	46	use	use	NN
39142	217	47	by	by	IN
39142	217	48	astronomers	astronomer	NNS
39142	217	49	of	of	IN
39142	217	50	that	that	DT
39142	217	51	day	day	NN
39142	217	52	.	.	.
39142	218	1	The	the	DT
39142	218	2	priests	priest	NNS
39142	218	3	were	be	VBD
39142	218	4	the	the	DT
39142	218	5	astronomers	astronomer	NNS
39142	218	6	,	,	,
39142	218	7	and	and	CC
39142	218	8	the	the	DT
39142	218	9	temples	temple	NNS
39142	218	10	had	have	VBD
39142	218	11	a	a	DT
39142	218	12	deep	deep	JJ
39142	218	13	religious	religious	JJ
39142	218	14	significance	significance	NN
39142	218	15	,	,	,
39142	218	16	with	with	IN
39142	218	17	a	a	DT
39142	218	18	ceremony	ceremony	NN
39142	218	19	of	of	IN
39142	218	20	exceeding	exceed	VBG
39142	218	21	magnificence	magnificence	NN
39142	218	22	wherever	wherever	WRB
39142	218	23	observations	observation	NNS
39142	218	24	of	of	IN
39142	218	25	heavenly	heavenly	JJ
39142	218	26	bodies	body	NNS
39142	218	27	were	be	VBD
39142	218	28	undertaken	undertake	VBN
39142	218	29	,	,	,
39142	218	30	whether	whether	IN
39142	218	31	of	of	IN
39142	218	32	sun	sun	NN
39142	218	33	or	or	CC
39142	218	34	stars	star	NNS
39142	218	35	.	.	.
39142	219	1	Hindu	hindu	JJ
39142	219	2	and	and	CC
39142	219	3	Persian	persian	JJ
39142	219	4	astronomy	astronomy	NN
39142	219	5	must	must	MD
39142	219	6	be	be	VB
39142	219	7	passed	pass	VBN
39142	219	8	over	over	RP
39142	219	9	very	very	RB
39142	219	10	briefly	briefly	NN
39142	219	11	.	.	.
39142	220	1	Interesting	interesting	JJ
39142	220	2	as	as	IN
39142	220	3	their	-PRON-	PRP$
39142	220	4	systems	system	NNS
39142	220	5	are	be	VBP
39142	220	6	historically	historically	RB
39142	220	7	,	,	,
39142	220	8	there	there	EX
39142	220	9	were	be	VBD
39142	220	10	few	few	JJ
39142	220	11	,	,	,
39142	220	12	if	if	IN
39142	220	13	any	any	DT
39142	220	14	,	,	,
39142	220	15	original	original	JJ
39142	220	16	contributions	contribution	NNS
39142	220	17	of	of	IN
39142	220	18	importance	importance	NN
39142	220	19	,	,	,
39142	220	20	and	and	CC
39142	220	21	the	the	DT
39142	220	22	Indian	indian	JJ
39142	220	23	treatises	treatise	NNS
39142	220	24	bear	bear	VBP
39142	220	25	strong	strong	JJ
39142	220	26	evidence	evidence	NN
39142	220	27	of	of	IN
39142	220	28	Greek	greek	JJ
39142	220	29	origin	origin	NN
39142	220	30	.	.	.
39142	221	1	CHAPTER	CHAPTER	NNP
39142	221	2	IV	IV	NNP
39142	221	3	ORIGIN	ORIGIN	NNS
39142	221	4	OF	of	IN
39142	221	5	GREEK	GREEK	NNP
39142	221	6	ASTRONOMY	ASTRONOMY	NNP
39142	221	7	While	while	IN
39142	221	8	the	the	DT
39142	221	9	Greeks	Greeks	NNPS
39142	221	10	laid	lay	VBD
39142	221	11	the	the	DT
39142	221	12	foundations	foundation	NNS
39142	221	13	of	of	IN
39142	221	14	modern	modern	JJ
39142	221	15	scientific	scientific	JJ
39142	221	16	astronomy	astronomy	NN
39142	221	17	,	,	,
39142	221	18	they	-PRON-	PRP
39142	221	19	were	be	VBD
39142	221	20	not	not	RB
39142	221	21	as	as	IN
39142	221	22	a	a	DT
39142	221	23	whole	whole	JJ
39142	221	24	observers	observer	NNS
39142	221	25	:	:	:
39142	221	26	rather	rather	RB
39142	221	27	philosophers	philosopher	NNS
39142	221	28	,	,	,
39142	221	29	we	-PRON-	PRP
39142	221	30	should	should	MD
39142	221	31	say	say	VB
39142	221	32	.	.	.
39142	222	1	The	the	DT
39142	222	2	later	later	JJ
39142	222	3	representatives	representative	NNS
39142	222	4	of	of	IN
39142	222	5	the	the	DT
39142	222	6	Greek	Greek	NNP
39142	222	7	School	School	NNP
39142	222	8	,	,	,
39142	222	9	however	however	RB
39142	222	10	,	,	,
39142	222	11	saw	see	VBD
39142	222	12	the	the	DT
39142	222	13	necessity	necessity	NN
39142	222	14	of	of	IN
39142	222	15	observation	observation	NN
39142	222	16	as	as	IN
39142	222	17	a	a	DT
39142	222	18	basis	basis	NN
39142	222	19	of	of	IN
39142	222	20	true	true	JJ
39142	222	21	induction	induction	NN
39142	222	22	;	;	:
39142	222	23	and	and	CC
39142	222	24	they	-PRON-	PRP
39142	222	25	discovered	discover	VBD
39142	222	26	that	that	IN
39142	222	27	real	real	JJ
39142	222	28	progress	progress	NN
39142	222	29	was	be	VBD
39142	222	30	not	not	RB
39142	222	31	possible	possible	JJ
39142	222	32	unless	unless	IN
39142	222	33	their	-PRON-	PRP$
39142	222	34	speculative	speculative	JJ
39142	222	35	ideas	idea	NNS
39142	222	36	were	be	VBD
39142	222	37	sufficiently	sufficiently	RB
39142	222	38	developed	develop	VBN
39142	222	39	and	and	CC
39142	222	40	made	make	VBD
39142	222	41	definite	definite	JJ
39142	222	42	by	by	IN
39142	222	43	the	the	DT
39142	222	44	aid	aid	NN
39142	222	45	of	of	IN
39142	222	46	geometry	geometry	NN
39142	222	47	,	,	,
39142	222	48	so	so	IN
39142	222	49	that	that	IN
39142	222	50	they	-PRON-	PRP
39142	222	51	became	become	VBD
39142	222	52	capable	capable	JJ
39142	222	53	of	of	IN
39142	222	54	detailed	detailed	JJ
39142	222	55	comparison	comparison	NN
39142	222	56	with	with	IN
39142	222	57	observation	observation	NN
39142	222	58	.	.	.
39142	223	1	This	this	DT
39142	223	2	was	be	VBD
39142	223	3	the	the	DT
39142	223	4	necessary	necessary	JJ
39142	223	5	and	and	CC
39142	223	6	ultimate	ultimate	JJ
39142	223	7	test	test	NN
39142	223	8	with	with	IN
39142	223	9	them	-PRON-	PRP
39142	223	10	,	,	,
39142	223	11	and	and	CC
39142	223	12	the	the	DT
39142	223	13	same	same	JJ
39142	223	14	is	be	VBZ
39142	223	15	true	true	JJ
39142	223	16	to	to	IN
39142	223	17	-	-	HYPH
39142	223	18	day	day	NN
39142	223	19	.	.	.
39142	224	1	The	the	DT
39142	224	2	early	early	JJ
39142	224	3	Greek	greek	JJ
39142	224	4	philosophers	philosopher	NNS
39142	224	5	were	be	VBD
39142	224	6	,	,	,
39142	224	7	however	however	RB
39142	224	8	,	,	,
39142	224	9	mainly	mainly	RB
39142	224	10	interested	interested	JJ
39142	224	11	,	,	,
39142	224	12	not	not	RB
39142	224	13	in	in	IN
39142	224	14	observations	observation	NNS
39142	224	15	,	,	,
39142	224	16	but	but	CC
39142	224	17	in	in	IN
39142	224	18	guessing	guess	VBG
39142	224	19	the	the	DT
39142	224	20	causes	cause	NNS
39142	224	21	of	of	IN
39142	224	22	phenomena	phenomenon	NNS
39142	224	23	.	.	.
39142	225	1	Thales	thale	NNS
39142	225	2	of	of	IN
39142	225	3	Miletus	Miletus	NNP
39142	225	4	,	,	,
39142	225	5	founder	founder	NN
39142	225	6	of	of	IN
39142	225	7	the	the	DT
39142	225	8	Ionian	Ionian	NNP
39142	225	9	School	School	NNP
39142	225	10	,	,	,
39142	225	11	introduced	introduce	VBD
39142	225	12	the	the	DT
39142	225	13	system	system	NN
39142	225	14	of	of	IN
39142	225	15	Egyptian	egyptian	JJ
39142	225	16	astronomy	astronomy	NN
39142	225	17	into	into	IN
39142	225	18	Greece	Greece	NNP
39142	225	19	,	,	,
39142	225	20	about	about	IN
39142	225	21	the	the	DT
39142	225	22	end	end	NN
39142	225	23	of	of	IN
39142	225	24	the	the	DT
39142	225	25	seventh	seventh	JJ
39142	225	26	century	century	NN
39142	225	27	B.	B.	NNP
39142	225	28	C.	C.	NNP
39142	225	29	He	He	NNP
39142	225	30	is	be	VBZ
39142	225	31	universally	universally	RB
39142	225	32	known	know	VBN
39142	225	33	as	as	IN
39142	225	34	the	the	DT
39142	225	35	first	first	JJ
39142	225	36	astronomer	astronomer	NN
39142	225	37	who	who	WP
39142	225	38	ever	ever	RB
39142	225	39	predicted	predict	VBD
39142	225	40	a	a	DT
39142	225	41	total	total	JJ
39142	225	42	eclipse	eclipse	NN
39142	225	43	of	of	IN
39142	225	44	the	the	DT
39142	225	45	sun	sun	NN
39142	225	46	that	that	WDT
39142	225	47	happened	happen	VBD
39142	225	48	when	when	WRB
39142	225	49	he	-PRON-	PRP
39142	225	50	said	say	VBD
39142	225	51	it	-PRON-	PRP
39142	225	52	would	would	MD
39142	225	53	:	:	:
39142	225	54	the	the	DT
39142	225	55	eclipse	eclipse	NN
39142	225	56	of	of	IN
39142	225	57	B.	B.	NNP
39142	225	58	C.	C.	NNP
39142	225	59	585	585	CD
39142	225	60	.	.	.
39142	226	1	This	this	DT
39142	226	2	he	-PRON-	PRP
39142	226	3	did	do	VBD
39142	226	4	by	by	IN
39142	226	5	means	mean	NNS
39142	226	6	of	of	IN
39142	226	7	the	the	DT
39142	226	8	Chaldean	Chaldean	NNP
39142	226	9	eclipse	eclipse	NN
39142	226	10	cycle	cycle	NN
39142	226	11	of	of	IN
39142	226	12	18	18	CD
39142	226	13	years	year	NNS
39142	226	14	known	know	VBN
39142	226	15	as	as	IN
39142	226	16	the	the	DT
39142	226	17	Saros	Saros	NNPS
39142	226	18	.	.	.
39142	227	1	Aristarchus	Aristarchus	NNP
39142	227	2	of	of	IN
39142	227	3	Samos	Samos	NNP
39142	227	4	was	be	VBD
39142	227	5	the	the	DT
39142	227	6	first	first	JJ
39142	227	7	and	and	CC
39142	227	8	most	most	RBS
39142	227	9	eminent	eminent	JJ
39142	227	10	of	of	IN
39142	227	11	the	the	DT
39142	227	12	Alexandrian	alexandrian	JJ
39142	227	13	astronomers	astronomer	NNS
39142	227	14	,	,	,
39142	227	15	and	and	CC
39142	227	16	his	-PRON-	PRP$
39142	227	17	treatise	treatise	NN
39142	227	18	"	"	''
39142	227	19	On	on	IN
39142	227	20	the	the	DT
39142	227	21	Magnitudes	Magnitudes	NNPS
39142	227	22	and	and	CC
39142	227	23	Distances	Distances	NNPS
39142	227	24	of	of	IN
39142	227	25	the	the	DT
39142	227	26	Sun	Sun	NNP
39142	227	27	and	and	CC
39142	227	28	Moon	Moon	NNP
39142	227	29	"	"	''
39142	227	30	is	be	VBZ
39142	227	31	still	still	RB
39142	227	32	extant	extant	JJ
39142	227	33	.	.	.
39142	228	1	This	this	DT
39142	228	2	method	method	NN
39142	228	3	of	of	IN
39142	228	4	ascertaining	ascertain	VBG
39142	228	5	how	how	WRB
39142	228	6	many	many	JJ
39142	228	7	times	time	NNS
39142	228	8	farther	far	RBR
39142	228	9	the	the	DT
39142	228	10	sun	sun	NN
39142	228	11	is	be	VBZ
39142	228	12	than	than	IN
39142	228	13	the	the	DT
39142	228	14	moon	moon	NN
39142	228	15	is	be	VBZ
39142	228	16	very	very	RB
39142	228	17	simple	simple	JJ
39142	228	18	,	,	,
39142	228	19	and	and	CC
39142	228	20	geometrically	geometrically	RB
39142	228	21	exact	exact	JJ
39142	228	22	.	.	.
39142	229	1	Unfortunately	unfortunately	RB
39142	229	2	it	-PRON-	PRP
39142	229	3	is	be	VBZ
39142	229	4	impossible	impossible	JJ
39142	229	5	,	,	,
39142	229	6	even	even	RB
39142	229	7	to	to	IN
39142	229	8	-	-	HYPH
39142	229	9	day	day	NN
39142	229	10	,	,	,
39142	229	11	to	to	TO
39142	229	12	observe	observe	VB
39142	229	13	with	with	IN
39142	229	14	accuracy	accuracy	NN
39142	229	15	the	the	DT
39142	229	16	precise	precise	JJ
39142	229	17	time	time	NN
39142	229	18	when	when	WRB
39142	229	19	the	the	DT
39142	229	20	moon	moon	NN
39142	229	21	"	"	``
39142	229	22	quarters	quarter	NNS
39142	229	23	,	,	,
39142	229	24	"	"	''
39142	229	25	(	(	-LRB-
39142	229	26	an	an	DT
39142	229	27	observation	observation	NN
39142	229	28	essential	essential	JJ
39142	229	29	to	to	IN
39142	229	30	his	-PRON-	PRP$
39142	229	31	method	method	NN
39142	229	32	)	)	-RRB-
39142	229	33	,	,	,
39142	229	34	because	because	IN
39142	229	35	the	the	DT
39142	229	36	moon	moon	NN
39142	229	37	's	's	POS
39142	229	38	terminal	terminal	NN
39142	229	39	,	,	,
39142	229	40	or	or	CC
39142	229	41	line	line	NN
39142	229	42	between	between	IN
39142	229	43	day	day	NN
39142	229	44	and	and	CC
39142	229	45	night	night	NN
39142	229	46	,	,	,
39142	229	47	is	be	VBZ
39142	229	48	not	not	RB
39142	229	49	a	a	DT
39142	229	50	straight	straight	JJ
39142	229	51	line	line	NN
39142	229	52	as	as	IN
39142	229	53	required	require	VBN
39142	229	54	by	by	IN
39142	229	55	theory	theory	NN
39142	229	56	,	,	,
39142	229	57	but	but	CC
39142	229	58	a	a	DT
39142	229	59	jagged	jagged	JJ
39142	229	60	one	one	CD
39142	229	61	.	.	.
39142	230	1	By	by	IN
39142	230	2	his	-PRON-	PRP$
39142	230	3	observation	observation	NN
39142	230	4	,	,	,
39142	230	5	the	the	DT
39142	230	6	sun	sun	NN
39142	230	7	was	be	VBD
39142	230	8	only	only	RB
39142	230	9	twenty	twenty	CD
39142	230	10	times	time	NNS
39142	230	11	farther	farther	RB
39142	230	12	away	away	RB
39142	230	13	than	than	IN
39142	230	14	the	the	DT
39142	230	15	moon	moon	NN
39142	230	16	,	,	,
39142	230	17	a	a	DT
39142	230	18	distance	distance	NN
39142	230	19	which	which	WDT
39142	230	20	we	-PRON-	PRP
39142	230	21	know	know	VBP
39142	230	22	to	to	TO
39142	230	23	be	be	VB
39142	230	24	nearly	nearly	RB
39142	230	25	twenty	twenty	CD
39142	230	26	times	time	NNS
39142	230	27	too	too	RB
39142	230	28	small	small	JJ
39142	230	29	.	.	.
39142	231	1	His	-PRON-	PRP$
39142	231	2	views	view	NNS
39142	231	3	regarding	regard	VBG
39142	231	4	other	other	JJ
39142	231	5	astronomical	astronomical	JJ
39142	231	6	questions	question	NNS
39142	231	7	were	be	VBD
39142	231	8	right	right	JJ
39142	231	9	,	,	,
39142	231	10	although	although	IN
39142	231	11	they	-PRON-	PRP
39142	231	12	found	find	VBD
39142	231	13	little	little	JJ
39142	231	14	favor	favor	NN
39142	231	15	among	among	IN
39142	231	16	contemporaries	contemporary	NNS
39142	231	17	.	.	.
39142	232	1	Not	not	RB
39142	232	2	only	only	RB
39142	232	3	was	be	VBD
39142	232	4	the	the	DT
39142	232	5	earth	earth	NN
39142	232	6	spherical	spherical	JJ
39142	232	7	,	,	,
39142	232	8	he	-PRON-	PRP
39142	232	9	said	say	VBD
39142	232	10	,	,	,
39142	232	11	but	but	CC
39142	232	12	it	-PRON-	PRP
39142	232	13	rotated	rotate	VBD
39142	232	14	on	on	IN
39142	232	15	its	-PRON-	PRP$
39142	232	16	axis	axi	NNS
39142	232	17	and	and	CC
39142	232	18	also	also	RB
39142	232	19	traveled	travel	VBN
39142	232	20	round	round	IN
39142	232	21	the	the	DT
39142	232	22	sun	sun	NN
39142	232	23	.	.	.
39142	233	1	Aristarchus	Aristarchus	NNP
39142	233	2	was	be	VBD
39142	233	3	,	,	,
39142	233	4	indeed	indeed	RB
39142	233	5	,	,	,
39142	233	6	the	the	DT
39142	233	7	true	true	JJ
39142	233	8	originator	originator	NN
39142	233	9	of	of	IN
39142	233	10	the	the	DT
39142	233	11	modern	modern	JJ
39142	233	12	doctrine	doctrine	NN
39142	233	13	of	of	IN
39142	233	14	motions	motion	NNS
39142	233	15	in	in	IN
39142	233	16	the	the	DT
39142	233	17	solar	solar	JJ
39142	233	18	system	system	NN
39142	233	19	,	,	,
39142	233	20	and	and	CC
39142	233	21	not	not	RB
39142	233	22	Copernicus	Copernicus	NNP
39142	233	23	,	,	,
39142	233	24	seventeen	seventeen	CD
39142	233	25	centuries	century	NNS
39142	233	26	later	later	RB
39142	233	27	;	;	:
39142	233	28	but	but	CC
39142	233	29	Seleucus	Seleucus	NNP
39142	233	30	appears	appear	VBZ
39142	233	31	to	to	TO
39142	233	32	have	have	VB
39142	233	33	been	be	VBN
39142	233	34	his	-PRON-	PRP$
39142	233	35	only	only	JJ
39142	233	36	follower	follower	NN
39142	233	37	in	in	IN
39142	233	38	these	these	DT
39142	233	39	very	very	RB
39142	233	40	advanced	advanced	JJ
39142	233	41	conceptions	conception	NNS
39142	233	42	.	.	.
39142	234	1	Aristarchus	Aristarchus	NNP
39142	234	2	made	make	VBD
39142	234	3	out	out	RP
39142	234	4	the	the	DT
39142	234	5	apparent	apparent	JJ
39142	234	6	diameters	diameter	NNS
39142	234	7	of	of	IN
39142	234	8	sun	sun	NN
39142	234	9	and	and	CC
39142	234	10	moon	moon	NN
39142	234	11	as	as	RB
39142	234	12	practically	practically	RB
39142	234	13	equal	equal	JJ
39142	234	14	to	to	IN
39142	234	15	one	one	CD
39142	234	16	another	another	DT
39142	234	17	,	,	,
39142	234	18	and	and	CC
39142	234	19	inferred	infer	VBD
39142	234	20	correctly	correctly	RB
39142	234	21	that	that	IN
39142	234	22	their	-PRON-	PRP$
39142	234	23	real	real	JJ
39142	234	24	diameters	diameter	NNS
39142	234	25	are	be	VBP
39142	234	26	in	in	IN
39142	234	27	proportion	proportion	NN
39142	234	28	to	to	IN
39142	234	29	their	-PRON-	PRP$
39142	234	30	distances	distance	NNS
39142	234	31	from	from	IN
39142	234	32	the	the	DT
39142	234	33	earth	earth	NN
39142	234	34	.	.	.
39142	235	1	Also	also	RB
39142	235	2	he	-PRON-	PRP
39142	235	3	estimated	estimate	VBD
39142	235	4	,	,	,
39142	235	5	from	from	IN
39142	235	6	observations	observation	NNS
39142	235	7	during	during	IN
39142	235	8	an	an	DT
39142	235	9	eclipse	eclipse	NN
39142	235	10	of	of	IN
39142	235	11	the	the	DT
39142	235	12	moon	moon	NN
39142	235	13	,	,	,
39142	235	14	that	that	IN
39142	235	15	the	the	DT
39142	235	16	moon	moon	NN
39142	235	17	's	's	POS
39142	235	18	diameter	diameter	NN
39142	235	19	is	be	VBZ
39142	235	20	about	about	RB
39142	235	21	one	one	CD
39142	235	22	-	-	HYPH
39142	235	23	third	third	NN
39142	235	24	that	that	DT
39142	235	25	of	of	IN
39142	235	26	the	the	DT
39142	235	27	earth	earth	NN
39142	235	28	.	.	.
39142	236	1	Aristarchus	Aristarchus	NNP
39142	236	2	appears	appear	VBZ
39142	236	3	to	to	TO
39142	236	4	have	have	VB
39142	236	5	been	be	VBN
39142	236	6	one	one	CD
39142	236	7	of	of	IN
39142	236	8	the	the	DT
39142	236	9	clearest	clear	JJS
39142	236	10	and	and	CC
39142	236	11	most	most	RBS
39142	236	12	accurate	accurate	JJ
39142	236	13	thinkers	thinker	NNS
39142	236	14	among	among	IN
39142	236	15	the	the	DT
39142	236	16	ancient	ancient	JJ
39142	236	17	astronomers	astronomer	NNS
39142	236	18	;	;	:
39142	236	19	even	even	RB
39142	236	20	his	-PRON-	PRP$
39142	236	21	views	view	NNS
39142	236	22	concerning	concern	VBG
39142	236	23	the	the	DT
39142	236	24	distances	distance	NNS
39142	236	25	of	of	IN
39142	236	26	the	the	DT
39142	236	27	stars	star	NNS
39142	236	28	were	be	VBD
39142	236	29	in	in	IN
39142	236	30	accord	accord	NN
39142	236	31	with	with	IN
39142	236	32	the	the	DT
39142	236	33	fact	fact	NN
39142	236	34	that	that	IN
39142	236	35	they	-PRON-	PRP
39142	236	36	are	be	VBP
39142	236	37	immeasurably	immeasurably	RB
39142	236	38	distant	distant	JJ
39142	236	39	as	as	IN
39142	236	40	compared	compare	VBN
39142	236	41	with	with	IN
39142	236	42	the	the	DT
39142	236	43	distances	distance	NNS
39142	236	44	of	of	IN
39142	236	45	the	the	DT
39142	236	46	sun	sun	NN
39142	236	47	,	,	,
39142	236	48	moon	moon	NN
39142	236	49	,	,	,
39142	236	50	and	and	CC
39142	236	51	planets	planet	NNS
39142	236	52	.	.	.
39142	237	1	Practically	practically	RB
39142	237	2	contemporary	contemporary	JJ
39142	237	3	with	with	IN
39142	237	4	Aristarchus	Aristarchus	NNP
39142	237	5	were	be	VBD
39142	237	6	Timocharis	Timocharis	NNP
39142	237	7	and	and	CC
39142	237	8	Aristillus	Aristillus	NNP
39142	237	9	,	,	,
39142	237	10	who	who	WP
39142	237	11	were	be	VBD
39142	237	12	excellent	excellent	JJ
39142	237	13	observers	observer	NNS
39142	237	14	,	,	,
39142	237	15	and	and	CC
39142	237	16	left	leave	VBD
39142	237	17	records	record	NNS
39142	237	18	of	of	IN
39142	237	19	position	position	NN
39142	237	20	of	of	IN
39142	237	21	sun	sun	NN
39142	237	22	and	and	CC
39142	237	23	planets	planet	NNS
39142	237	24	which	which	WDT
39142	237	25	were	be	VBD
39142	237	26	exceedingly	exceedingly	RB
39142	237	27	useful	useful	JJ
39142	237	28	to	to	IN
39142	237	29	their	-PRON-	PRP$
39142	237	30	successors	successor	NNS
39142	237	31	,	,	,
39142	237	32	Hipparchus	Hipparchus	NNP
39142	237	33	and	and	CC
39142	237	34	Ptolemy	Ptolemy	NNP
39142	237	35	in	in	IN
39142	237	36	particular	particular	JJ
39142	237	37	.	.	.
39142	238	1	Indeed	indeed	RB
39142	238	2	their	-PRON-	PRP$
39142	238	3	observations	observation	NNS
39142	238	4	of	of	IN
39142	238	5	star	star	NN
39142	238	6	positions	position	NNS
39142	238	7	were	be	VBD
39142	238	8	such	such	JJ
39142	238	9	that	that	IN
39142	238	10	,	,	,
39142	238	11	in	in	IN
39142	238	12	a	a	DT
39142	238	13	way	way	NN
39142	238	14	,	,	,
39142	238	15	they	-PRON-	PRP
39142	238	16	deserve	deserve	VBP
39142	238	17	the	the	DT
39142	238	18	fame	fame	NN
39142	238	19	of	of	IN
39142	238	20	having	have	VBG
39142	238	21	made	make	VBN
39142	238	22	the	the	DT
39142	238	23	first	first	JJ
39142	238	24	catalogue	catalogue	NN
39142	238	25	,	,	,
39142	238	26	rather	rather	RB
39142	238	27	than	than	IN
39142	238	28	Hipparchus	Hipparchus	NNP
39142	238	29	,	,	,
39142	238	30	to	to	TO
39142	238	31	whom	whom	WP
39142	238	32	is	be	VBZ
39142	238	33	universally	universally	RB
39142	238	34	accorded	accord	VBN
39142	238	35	that	that	DT
39142	238	36	honor	honor	NN
39142	238	37	.	.	.
39142	239	1	Spherical	spherical	JJ
39142	239	2	astronomy	astronomy	NN
39142	239	3	had	have	VBD
39142	239	4	its	-PRON-	PRP$
39142	239	5	origin	origin	NN
39142	239	6	with	with	IN
39142	239	7	the	the	DT
39142	239	8	Alexandrian	alexandrian	JJ
39142	239	9	school	school	NN
39142	239	10	,	,	,
39142	239	11	many	many	JJ
39142	239	12	famous	famous	JJ
39142	239	13	geometers	geometer	NNS
39142	239	14	,	,	,
39142	239	15	and	and	CC
39142	239	16	in	in	IN
39142	239	17	particular	particular	JJ
39142	239	18	Euclid	Euclid	NNP
39142	239	19	,	,	,
39142	239	20	pointing	point	VBG
39142	239	21	the	the	DT
39142	239	22	way	way	NN
39142	239	23	.	.	.
39142	240	1	Spherics	spheric	NNS
39142	240	2	,	,	,
39142	240	3	or	or	CC
39142	240	4	the	the	DT
39142	240	5	doctrine	doctrine	NN
39142	240	6	of	of	IN
39142	240	7	the	the	DT
39142	240	8	sphere	sphere	NN
39142	240	9	,	,	,
39142	240	10	was	be	VBD
39142	240	11	the	the	DT
39142	240	12	subject	subject	NN
39142	240	13	of	of	IN
39142	240	14	numerous	numerous	JJ
39142	240	15	treatises	treatise	NNS
39142	240	16	,	,	,
39142	240	17	and	and	CC
39142	240	18	the	the	DT
39142	240	19	foundations	foundation	NNS
39142	240	20	were	be	VBD
39142	240	21	securely	securely	RB
39142	240	22	laid	lay	VBN
39142	240	23	for	for	IN
39142	240	24	that	that	DT
39142	240	25	department	department	NN
39142	240	26	of	of	IN
39142	240	27	astronomical	astronomical	JJ
39142	240	28	research	research	NN
39142	240	29	which	which	WDT
39142	240	30	was	be	VBD
39142	240	31	absolutely	absolutely	RB
39142	240	32	essential	essential	JJ
39142	240	33	to	to	TO
39142	240	34	farther	far	RBR
39142	240	35	advance	advance	NN
39142	240	36	.	.	.
39142	241	1	The	the	DT
39142	241	2	artisans	artisan	NNS
39142	241	3	of	of	IN
39142	241	4	that	that	DT
39142	241	5	day	day	NN
39142	241	6	began	begin	VBD
39142	241	7	to	to	TO
39142	241	8	build	build	VB
39142	241	9	rude	rude	JJ
39142	241	10	mechanical	mechanical	JJ
39142	241	11	adaptations	adaptation	NNS
39142	241	12	of	of	IN
39142	241	13	the	the	DT
39142	241	14	geometric	geometric	JJ
39142	241	15	conceptions	conception	NNS
39142	241	16	as	as	IN
39142	241	17	concrete	concrete	JJ
39142	241	18	constructions	construction	NNS
39142	241	19	in	in	IN
39142	241	20	wood	wood	NN
39142	241	21	and	and	CC
39142	241	22	metal	metal	NN
39142	241	23	,	,	,
39142	241	24	and	and	CC
39142	241	25	it	-PRON-	PRP
39142	241	26	became	become	VBD
39142	241	27	the	the	DT
39142	241	28	epoch	epoch	NN
39142	241	29	of	of	IN
39142	241	30	the	the	DT
39142	241	31	origin	origin	NN
39142	241	32	of	of	IN
39142	241	33	astrolabes	astrolabe	NNS
39142	241	34	and	and	CC
39142	241	35	armillary	armillary	JJ
39142	241	36	spheres	sphere	NNS
39142	241	37	.	.	.
39142	242	1	CHAPTER	chapter	NN
39142	242	2	V	V	NNP
39142	242	3	MEASURING	measure	VBG
39142	242	4	THE	the	DT
39142	242	5	EARTH	earth	NN
39142	242	6	--	--	:
39142	242	7	ERATOSTHENES	ERATOSTHENES	NNP
39142	242	8	All	all	DT
39142	242	9	told	tell	VBD
39142	242	10	,	,	,
39142	242	11	the	the	DT
39142	242	12	Greek	greek	JJ
39142	242	13	philosophers	philosopher	NNS
39142	242	14	were	be	VBD
39142	242	15	probably	probably	RB
39142	242	16	the	the	DT
39142	242	17	keenest	keen	JJS
39142	242	18	minds	mind	NNS
39142	242	19	that	that	WDT
39142	242	20	ever	ever	RB
39142	242	21	inhabited	inhabit	VBD
39142	242	22	the	the	DT
39142	242	23	planet	planet	NN
39142	242	24	,	,	,
39142	242	25	and	and	CC
39142	242	26	we	-PRON-	PRP
39142	242	27	can	can	MD
39142	242	28	not	not	RB
39142	242	29	suppose	suppose	VB
39142	242	30	them	-PRON-	PRP
39142	242	31	so	so	RB
39142	242	32	stupid	stupid	JJ
39142	242	33	as	as	IN
39142	242	34	to	to	TO
39142	242	35	reject	reject	VB
39142	242	36	the	the	DT
39142	242	37	doctrine	doctrine	NN
39142	242	38	of	of	IN
39142	242	39	a	a	DT
39142	242	40	spherical	spherical	JJ
39142	242	41	earth	earth	NN
39142	242	42	.	.	.
39142	243	1	In	in	IN
39142	243	2	fact	fact	NN
39142	243	3	so	so	IN
39142	243	4	certain	certain	JJ
39142	243	5	were	be	VBD
39142	243	6	they	-PRON-	PRP
39142	243	7	that	that	IN
39142	243	8	the	the	DT
39142	243	9	earth	earth	NN
39142	243	10	's	's	POS
39142	243	11	true	true	JJ
39142	243	12	figure	figure	NN
39142	243	13	is	be	VBZ
39142	243	14	a	a	DT
39142	243	15	sphere	sphere	NN
39142	243	16	that	that	IN
39142	243	17	Eratosthenes	Eratosthenes	NNPS
39142	243	18	in	in	IN
39142	243	19	the	the	DT
39142	243	20	third	third	JJ
39142	243	21	century	century	NN
39142	243	22	B.	B.	NNP
39142	243	23	C.	C.	NNP
39142	243	24	made	make	VBD
39142	243	25	the	the	DT
39142	243	26	first	first	JJ
39142	243	27	measure	measure	NN
39142	243	28	of	of	IN
39142	243	29	the	the	DT
39142	243	30	dimensions	dimension	NNS
39142	243	31	of	of	IN
39142	243	32	the	the	DT
39142	243	33	terrestrial	terrestrial	JJ
39142	243	34	sphere	sphere	NN
39142	243	35	by	by	IN
39142	243	36	a	a	DT
39142	243	37	method	method	NN
39142	243	38	geometrically	geometrically	RB
39142	243	39	exact	exact	JJ
39142	243	40	.	.	.
39142	244	1	At	at	IN
39142	244	2	Syene	Syene	NNP
39142	244	3	in	in	IN
39142	244	4	Upper	Upper	NNP
39142	244	5	Egypt	Egypt	NNP
39142	244	6	the	the	DT
39142	244	7	sun	sun	NN
39142	244	8	at	at	IN
39142	244	9	the	the	DT
39142	244	10	summer	summer	NN
39142	244	11	solstice	solstice	NN
39142	244	12	was	be	VBD
39142	244	13	known	know	VBN
39142	244	14	to	to	TO
39142	244	15	pass	pass	VB
39142	244	16	through	through	IN
39142	244	17	the	the	DT
39142	244	18	zenith	zenith	NN
39142	244	19	at	at	IN
39142	244	20	noon	noon	NN
39142	244	21	,	,	,
39142	244	22	whereas	whereas	IN
39142	244	23	at	at	IN
39142	244	24	Alexandria	Alexandria	NNP
39142	244	25	Eratosthenes	Eratosthenes	NNPS
39142	244	26	estimated	estimate	VBD
39142	244	27	its	-PRON-	PRP$
39142	244	28	distance	distance	NN
39142	244	29	as	as	IN
39142	244	30	seven	seven	CD
39142	244	31	degrees	degree	NNS
39142	244	32	from	from	IN
39142	244	33	the	the	DT
39142	244	34	zenith	zenith	NN
39142	244	35	at	at	IN
39142	244	36	the	the	DT
39142	244	37	same	same	JJ
39142	244	38	time	time	NN
39142	244	39	.	.	.
39142	245	1	This	this	DT
39142	245	2	difference	difference	NN
39142	245	3	being	be	VBG
39142	245	4	about	about	RB
39142	245	5	one	one	CD
39142	245	6	-	-	HYPH
39142	245	7	fiftieth	fiftieth	NN
39142	245	8	of	of	IN
39142	245	9	the	the	DT
39142	245	10	entire	entire	JJ
39142	245	11	circumference	circumference	NN
39142	245	12	of	of	IN
39142	245	13	a	a	DT
39142	245	14	meridian	meridian	NN
39142	245	15	,	,	,
39142	245	16	Eratosthenes	Eratosthenes	NNP
39142	245	17	correctly	correctly	RB
39142	245	18	inferred	infer	VBD
39142	245	19	that	that	IN
39142	245	20	the	the	DT
39142	245	21	distance	distance	NN
39142	245	22	between	between	IN
39142	245	23	Alexandria	Alexandria	NNP
39142	245	24	and	and	CC
39142	245	25	Syene	Syene	NNP
39142	245	26	must	must	MD
39142	245	27	be	be	VB
39142	245	28	one	one	CD
39142	245	29	-	-	HYPH
39142	245	30	fiftieth	fiftieth	NN
39142	245	31	of	of	IN
39142	245	32	the	the	DT
39142	245	33	earth	earth	NN
39142	245	34	's	's	POS
39142	245	35	circumference	circumference	NN
39142	245	36	.	.	.
39142	246	1	So	so	RB
39142	246	2	he	-PRON-	PRP
39142	246	3	measured	measure	VBD
39142	246	4	the	the	DT
39142	246	5	distance	distance	NN
39142	246	6	between	between	IN
39142	246	7	the	the	DT
39142	246	8	two	two	CD
39142	246	9	and	and	CC
39142	246	10	found	find	VBD
39142	246	11	it	-PRON-	PRP
39142	246	12	5,000	5,000	CD
39142	246	13	stadia	stadia	NN
39142	246	14	.	.	.
39142	247	1	This	this	DT
39142	247	2	figured	figure	VBD
39142	247	3	out	out	RP
39142	247	4	the	the	DT
39142	247	5	size	size	NN
39142	247	6	of	of	IN
39142	247	7	the	the	DT
39142	247	8	earth	earth	NN
39142	247	9	with	with	IN
39142	247	10	a	a	DT
39142	247	11	percentage	percentage	NN
39142	247	12	of	of	IN
39142	247	13	error	error	NN
39142	247	14	surprisingly	surprisingly	RB
39142	247	15	small	small	JJ
39142	247	16	when	when	WRB
39142	247	17	we	-PRON-	PRP
39142	247	18	consider	consider	VBP
39142	247	19	the	the	DT
39142	247	20	rough	rough	JJ
39142	247	21	means	mean	NNS
39142	247	22	with	with	IN
39142	247	23	which	which	WDT
39142	247	24	Eratosthenes	Eratosthenes	NNPS
39142	247	25	measured	measure	VBD
39142	247	26	the	the	DT
39142	247	27	sun	sun	NN
39142	247	28	's	's	POS
39142	247	29	zenith	zenith	NNP
39142	247	30	distance	distance	NN
39142	247	31	and	and	CC
39142	247	32	the	the	DT
39142	247	33	distance	distance	NN
39142	247	34	between	between	IN
39142	247	35	the	the	DT
39142	247	36	two	two	CD
39142	247	37	stations	station	NNS
39142	247	38	.	.	.
39142	248	1	Greatest	great	JJS
39142	248	2	of	of	IN
39142	248	3	all	all	PDT
39142	248	4	the	the	DT
39142	248	5	Greek	greek	JJ
39142	248	6	astronomers	astronomer	NNS
39142	248	7	and	and	CC
39142	248	8	one	one	CD
39142	248	9	of	of	IN
39142	248	10	the	the	DT
39142	248	11	greatest	great	JJS
39142	248	12	in	in	IN
39142	248	13	the	the	DT
39142	248	14	history	history	NN
39142	248	15	of	of	IN
39142	248	16	the	the	DT
39142	248	17	science	science	NN
39142	248	18	was	be	VBD
39142	248	19	Hipparchus	Hipparchus	NNP
39142	248	20	who	who	WP
39142	248	21	had	have	VBD
39142	248	22	an	an	DT
39142	248	23	observatory	observatory	NN
39142	248	24	at	at	IN
39142	248	25	Rhodes	Rhodes	NNP
39142	248	26	in	in	IN
39142	248	27	the	the	DT
39142	248	28	middle	middle	NN
39142	248	29	of	of	IN
39142	248	30	the	the	DT
39142	248	31	second	second	JJ
39142	248	32	century	century	NN
39142	248	33	B.	B.	NNP
39142	248	34	C.	C.	NNP
39142	248	35	His	-PRON-	PRP$
39142	248	36	activities	activity	NNS
39142	248	37	covered	cover	VBD
39142	248	38	every	every	DT
39142	248	39	department	department	NN
39142	248	40	of	of	IN
39142	248	41	astronomy	astronomy	NN
39142	248	42	;	;	:
39142	248	43	he	-PRON-	PRP
39142	248	44	made	make	VBD
39142	248	45	extensive	extensive	JJ
39142	248	46	series	series	NN
39142	248	47	of	of	IN
39142	248	48	observations	observation	NNS
39142	248	49	which	which	WDT
39142	248	50	he	-PRON-	PRP
39142	248	51	diligently	diligently	RB
39142	248	52	compared	compare	VBD
39142	248	53	with	with	IN
39142	248	54	those	those	DT
39142	248	55	handed	hand	VBN
39142	248	56	down	down	RP
39142	248	57	to	to	IN
39142	248	58	him	-PRON-	PRP
39142	248	59	by	by	IN
39142	248	60	the	the	DT
39142	248	61	earlier	early	JJR
39142	248	62	astronomers	astronomer	NNS
39142	248	63	,	,	,
39142	248	64	especially	especially	RB
39142	248	65	Aristillus	Aristillus	NNP
39142	248	66	and	and	CC
39142	248	67	Timocharis	Timocharis	NNP
39142	248	68	.	.	.
39142	249	1	This	this	DT
39142	249	2	enabled	enable	VBD
39142	249	3	him	-PRON-	PRP
39142	249	4	to	to	TO
39142	249	5	ascertain	ascertain	VB
39142	249	6	the	the	DT
39142	249	7	motion	motion	NN
39142	249	8	of	of	IN
39142	249	9	the	the	DT
39142	249	10	equinoxial	equinoxial	JJ
39142	249	11	points	point	NNS
39142	249	12	,	,	,
39142	249	13	and	and	CC
39142	249	14	his	-PRON-	PRP$
39142	249	15	value	value	NN
39142	249	16	of	of	IN
39142	249	17	the	the	DT
39142	249	18	constant	constant	NN
39142	249	19	of	of	IN
39142	249	20	precession	precession	NN
39142	249	21	of	of	IN
39142	249	22	the	the	DT
39142	249	23	equinoxes	equinox	NNS
39142	249	24	is	be	VBZ
39142	249	25	exceedingly	exceedingly	RB
39142	249	26	accurate	accurate	JJ
39142	249	27	for	for	IN
39142	249	28	a	a	DT
39142	249	29	first	first	JJ
39142	249	30	determination	determination	NN
39142	249	31	.	.	.
39142	250	1	In	in	IN
39142	250	2	134	134	CD
39142	250	3	B.	B.	NNP
39142	250	4	C.	C.	NNP
39142	250	5	a	a	DT
39142	250	6	new	new	JJ
39142	250	7	star	star	NN
39142	250	8	blazed	blaze	VBD
39142	250	9	out	out	RP
39142	250	10	in	in	IN
39142	250	11	the	the	DT
39142	250	12	constellation	constellation	NN
39142	250	13	Scorpio	Scorpio	NNP
39142	250	14	,	,	,
39142	250	15	and	and	CC
39142	250	16	this	this	DT
39142	250	17	set	set	NN
39142	250	18	Hipparchus	Hipparchus	NNP
39142	250	19	at	at	IN
39142	250	20	work	work	NN
39142	250	21	on	on	IN
39142	250	22	a	a	DT
39142	250	23	catalogue	catalogue	NN
39142	250	24	of	of	IN
39142	250	25	the	the	DT
39142	250	26	brighter	bright	JJR
39142	250	27	stars	star	NNS
39142	250	28	of	of	IN
39142	250	29	the	the	DT
39142	250	30	firmament	firmament	NN
39142	250	31	,	,	,
39142	250	32	a	a	DT
39142	250	33	monumental	monumental	JJ
39142	250	34	work	work	NN
39142	250	35	of	of	IN
39142	250	36	true	true	JJ
39142	250	37	scientific	scientific	JJ
39142	250	38	conception	conception	NN
39142	250	39	,	,	,
39142	250	40	because	because	IN
39142	250	41	it	-PRON-	PRP
39142	250	42	would	would	MD
39142	250	43	enable	enable	VB
39142	250	44	the	the	DT
39142	250	45	astronomers	astronomer	NNS
39142	250	46	of	of	IN
39142	250	47	future	future	JJ
39142	250	48	generations	generation	NNS
39142	250	49	to	to	TO
39142	250	50	ascertain	ascertain	VB
39142	250	51	what	what	WP
39142	250	52	changes	change	VBZ
39142	250	53	,	,	,
39142	250	54	if	if	IN
39142	250	55	any	any	DT
39142	250	56	,	,	,
39142	250	57	were	be	VBD
39142	250	58	taking	take	VBG
39142	250	59	place	place	NN
39142	250	60	in	in	IN
39142	250	61	the	the	DT
39142	250	62	stellar	stellar	JJ
39142	250	63	universe	universe	NN
39142	250	64	.	.	.
39142	251	1	There	there	EX
39142	251	2	were	be	VBD
39142	251	3	1,080	1,080	CD
39142	251	4	stars	star	NNS
39142	251	5	in	in	IN
39142	251	6	his	-PRON-	PRP$
39142	251	7	catalogue	catalogue	NN
39142	251	8	,	,	,
39142	251	9	and	and	CC
39142	251	10	he	-PRON-	PRP
39142	251	11	referred	refer	VBD
39142	251	12	their	-PRON-	PRP$
39142	251	13	positions	position	NNS
39142	251	14	to	to	IN
39142	251	15	the	the	DT
39142	251	16	ecliptic	ecliptic	NN
39142	251	17	and	and	CC
39142	251	18	the	the	DT
39142	251	19	equinoxes	equinox	NNS
39142	251	20	.	.	.
39142	252	1	Also	also	RB
39142	252	2	he	-PRON-	PRP
39142	252	3	originated	originate	VBD
39142	252	4	the	the	DT
39142	252	5	present	present	JJ
39142	252	6	system	system	NN
39142	252	7	of	of	IN
39142	252	8	stellar	stellar	JJ
39142	252	9	magnitudes	magnitude	NNS
39142	252	10	or	or	CC
39142	252	11	orders	order	NNS
39142	252	12	of	of	IN
39142	252	13	brightness	brightness	NN
39142	252	14	,	,	,
39142	252	15	and	and	CC
39142	252	16	his	-PRON-	PRP$
39142	252	17	catalogue	catalogue	NN
39142	252	18	was	be	VBD
39142	252	19	in	in	IN
39142	252	20	use	use	NN
39142	252	21	as	as	IN
39142	252	22	a	a	DT
39142	252	23	standard	standard	NN
39142	252	24	for	for	IN
39142	252	25	many	many	JJ
39142	252	26	centuries	century	NNS
39142	252	27	.	.	.
39142	253	1	Hipparchus	Hipparchus	NNP
39142	253	2	was	be	VBD
39142	253	3	a	a	DT
39142	253	4	great	great	JJ
39142	253	5	mathematician	mathematician	NN
39142	253	6	as	as	RB
39142	253	7	well	well	RB
39142	253	8	,	,	,
39142	253	9	and	and	CC
39142	253	10	he	-PRON-	PRP
39142	253	11	devoted	devote	VBD
39142	253	12	himself	-PRON-	PRP
39142	253	13	to	to	IN
39142	253	14	the	the	DT
39142	253	15	improvement	improvement	NN
39142	253	16	of	of	IN
39142	253	17	the	the	DT
39142	253	18	method	method	NN
39142	253	19	of	of	IN
39142	253	20	applying	apply	VBG
39142	253	21	numerical	numerical	JJ
39142	253	22	calculations	calculation	NNS
39142	253	23	to	to	IN
39142	253	24	geometrical	geometrical	JJ
39142	253	25	figures	figure	NNS
39142	253	26	:	:	:
39142	253	27	trigonometry	trigonometry	NNP
39142	253	28	,	,	,
39142	253	29	both	both	CC
39142	253	30	plane	plane	NN
39142	253	31	and	and	CC
39142	253	32	spherical	spherical	JJ
39142	253	33	,	,	,
39142	253	34	that	that	RB
39142	253	35	is	is	RB
39142	253	36	;	;	:
39142	253	37	and	and	CC
39142	253	38	by	by	IN
39142	253	39	some	some	DT
39142	253	40	authorities	authority	NNS
39142	253	41	he	-PRON-	PRP
39142	253	42	is	be	VBZ
39142	253	43	regarded	regard	VBN
39142	253	44	as	as	IN
39142	253	45	the	the	DT
39142	253	46	inventor	inventor	NN
39142	253	47	of	of	IN
39142	253	48	original	original	JJ
39142	253	49	methods	method	NNS
39142	253	50	in	in	IN
39142	253	51	trigonometry	trigonometry	NNP
39142	253	52	.	.	.
39142	254	1	The	the	DT
39142	254	2	system	system	NN
39142	254	3	of	of	IN
39142	254	4	spheres	sphere	NNS
39142	254	5	of	of	IN
39142	254	6	Eudoxus	Eudoxus	NNP
39142	254	7	did	do	VBD
39142	254	8	not	not	RB
39142	254	9	satisfy	satisfy	VB
39142	254	10	him	-PRON-	PRP
39142	254	11	,	,	,
39142	254	12	so	so	RB
39142	254	13	he	-PRON-	PRP
39142	254	14	devised	devise	VBD
39142	254	15	a	a	DT
39142	254	16	method	method	NN
39142	254	17	of	of	IN
39142	254	18	representing	represent	VBG
39142	254	19	the	the	DT
39142	254	20	paths	path	NNS
39142	254	21	of	of	IN
39142	254	22	the	the	DT
39142	254	23	heavenly	heavenly	JJ
39142	254	24	bodies	body	NNS
39142	254	25	by	by	IN
39142	254	26	perfectly	perfectly	RB
39142	254	27	uniform	uniform	JJ
39142	254	28	motion	motion	NN
39142	254	29	in	in	IN
39142	254	30	circles	circle	NNS
39142	254	31	.	.	.
39142	255	1	There	there	EX
39142	255	2	is	be	VBZ
39142	255	3	slight	slight	JJ
39142	255	4	evidence	evidence	NN
39142	255	5	that	that	IN
39142	255	6	Apollonius	Apollonius	NNP
39142	255	7	of	of	IN
39142	255	8	Perga	Perga	NNP
39142	255	9	may	may	MD
39142	255	10	have	have	VB
39142	255	11	been	be	VBN
39142	255	12	the	the	DT
39142	255	13	originator	originator	NN
39142	255	14	of	of	IN
39142	255	15	the	the	DT
39142	255	16	system	system	NN
39142	255	17	,	,	,
39142	255	18	but	but	CC
39142	255	19	it	-PRON-	PRP
39142	255	20	was	be	VBD
39142	255	21	reserved	reserve	VBN
39142	255	22	for	for	IN
39142	255	23	Hipparchus	Hipparchus	NNP
39142	255	24	to	to	TO
39142	255	25	work	work	VB
39142	255	26	it	-PRON-	PRP
39142	255	27	out	out	RP
39142	255	28	in	in	IN
39142	255	29	final	final	JJ
39142	255	30	form	form	NN
39142	255	31	.	.	.
39142	256	1	This	this	DT
39142	256	2	enabled	enable	VBD
39142	256	3	him	-PRON-	PRP
39142	256	4	to	to	TO
39142	256	5	ascertain	ascertain	VB
39142	256	6	the	the	DT
39142	256	7	varying	varying	NN
39142	256	8	length	length	NN
39142	256	9	of	of	IN
39142	256	10	the	the	DT
39142	256	11	seasons	season	NNS
39142	256	12	,	,	,
39142	256	13	and	and	CC
39142	256	14	he	-PRON-	PRP
39142	256	15	fixed	fix	VBD
39142	256	16	the	the	DT
39142	256	17	true	true	JJ
39142	256	18	length	length	NN
39142	256	19	of	of	IN
39142	256	20	the	the	DT
39142	256	21	year	year	NN
39142	256	22	as	as	IN
39142	256	23	365	365	CD
39142	256	24	-	-	HYPH
39142	256	25	1/4	1/4	CD
39142	256	26	days	day	NNS
39142	256	27	.	.	.
39142	257	1	He	-PRON-	PRP
39142	257	2	had	have	VBD
39142	257	3	almost	almost	RB
39142	257	4	equal	equal	JJ
39142	257	5	success	success	NN
39142	257	6	in	in	IN
39142	257	7	dealing	deal	VBG
39142	257	8	with	with	IN
39142	257	9	the	the	DT
39142	257	10	irregularities	irregularity	NNS
39142	257	11	of	of	IN
39142	257	12	the	the	DT
39142	257	13	moon	moon	NN
39142	257	14	's	's	POS
39142	257	15	motion	motion	NN
39142	257	16	,	,	,
39142	257	17	although	although	IN
39142	257	18	the	the	DT
39142	257	19	problem	problem	NN
39142	257	20	is	be	VBZ
39142	257	21	much	much	RB
39142	257	22	more	more	RBR
39142	257	23	complicated	complicated	JJ
39142	257	24	.	.	.
39142	258	1	The	the	DT
39142	258	2	distance	distance	NN
39142	258	3	and	and	CC
39142	258	4	size	size	NN
39142	258	5	of	of	IN
39142	258	6	the	the	DT
39142	258	7	moon	moon	NN
39142	258	8	,	,	,
39142	258	9	by	by	IN
39142	258	10	the	the	DT
39142	258	11	method	method	NN
39142	258	12	of	of	IN
39142	258	13	Aristarchus	Aristarchus	NNP
39142	258	14	,	,	,
39142	258	15	were	be	VBD
39142	258	16	improved	improve	VBN
39142	258	17	by	by	IN
39142	258	18	him	-PRON-	PRP
39142	258	19	,	,	,
39142	258	20	and	and	CC
39142	258	21	he	-PRON-	PRP
39142	258	22	worked	work	VBD
39142	258	23	out	out	RP
39142	258	24	,	,	,
39142	258	25	for	for	IN
39142	258	26	the	the	DT
39142	258	27	distance	distance	NN
39142	258	28	of	of	IN
39142	258	29	the	the	DT
39142	258	30	sun	sun	NN
39142	258	31	,	,	,
39142	258	32	1,200	1,200	CD
39142	258	33	radii	radii	NN
39142	258	34	of	of	IN
39142	258	35	the	the	DT
39142	258	36	earth	earth	NN
39142	258	37	--	--	:
39142	258	38	a	a	DT
39142	258	39	classic	classic	NN
39142	258	40	for	for	IN
39142	258	41	many	many	JJ
39142	258	42	centuries	century	NNS
39142	258	43	.	.	.
39142	259	1	Hipparchus	Hipparchus	NNP
39142	259	2	devoted	devote	VBD
39142	259	3	much	much	JJ
39142	259	4	attention	attention	NN
39142	259	5	to	to	IN
39142	259	6	eclipses	eclipse	NNS
39142	259	7	of	of	IN
39142	259	8	both	both	CC
39142	259	9	sun	sun	NN
39142	259	10	and	and	CC
39142	259	11	moon	moon	NN
39142	259	12	,	,	,
39142	259	13	and	and	CC
39142	259	14	we	-PRON-	PRP
39142	259	15	owe	owe	VBP
39142	259	16	to	to	IN
39142	259	17	him	-PRON-	PRP
39142	259	18	the	the	DT
39142	259	19	first	first	JJ
39142	259	20	elucidation	elucidation	NN
39142	259	21	of	of	IN
39142	259	22	the	the	DT
39142	259	23	subject	subject	NN
39142	259	24	of	of	IN
39142	259	25	parallax	parallax	NN
39142	259	26	,	,	,
39142	259	27	or	or	CC
39142	259	28	the	the	DT
39142	259	29	effect	effect	NN
39142	259	30	of	of	IN
39142	259	31	difference	difference	NN
39142	259	32	of	of	IN
39142	259	33	position	position	NN
39142	259	34	of	of	IN
39142	259	35	an	an	DT
39142	259	36	observer	observer	NN
39142	259	37	on	on	IN
39142	259	38	the	the	DT
39142	259	39	earth	earth	NN
39142	259	40	's	's	POS
39142	259	41	surface	surface	NN
39142	259	42	as	as	IN
39142	259	43	affecting	affect	VBG
39142	259	44	the	the	DT
39142	259	45	apparent	apparent	JJ
39142	259	46	projection	projection	NN
39142	259	47	of	of	IN
39142	259	48	the	the	DT
39142	259	49	moon	moon	NN
39142	259	50	against	against	IN
39142	259	51	the	the	DT
39142	259	52	sun	sun	NN
39142	259	53	when	when	WRB
39142	259	54	a	a	DT
39142	259	55	solar	solar	JJ
39142	259	56	eclipse	eclipse	NN
39142	259	57	takes	take	VBZ
39142	259	58	place	place	NN
39142	259	59	;	;	:
39142	259	60	whereas	whereas	IN
39142	259	61	an	an	DT
39142	259	62	eclipse	eclipse	NN
39142	259	63	of	of	IN
39142	259	64	the	the	DT
39142	259	65	moon	moon	NN
39142	259	66	is	be	VBZ
39142	259	67	unaffected	unaffected	JJ
39142	259	68	by	by	IN
39142	259	69	parallax	parallax	NN
39142	259	70	and	and	CC
39142	259	71	can	can	MD
39142	259	72	be	be	VB
39142	259	73	seen	see	VBN
39142	259	74	at	at	IN
39142	259	75	the	the	DT
39142	259	76	same	same	JJ
39142	259	77	time	time	NN
39142	259	78	by	by	IN
39142	259	79	observers	observer	NNS
39142	259	80	everywhere	everywhere	RB
39142	259	81	,	,	,
39142	259	82	no	no	RB
39142	259	83	matter	matter	RB
39142	259	84	what	what	WP
39142	259	85	their	-PRON-	PRP$
39142	259	86	location	location	NN
39142	259	87	on	on	IN
39142	259	88	the	the	DT
39142	259	89	earth	earth	NN
39142	259	90	.	.	.
39142	260	1	Indeed	indeed	RB
39142	260	2	,	,	,
39142	260	3	with	with	IN
39142	260	4	all	all	DT
39142	260	5	that	that	WDT
39142	260	6	Hipparchus	Hipparchus	NNP
39142	260	7	achieved	achieve	VBN
39142	260	8	,	,	,
39142	260	9	we	-PRON-	PRP
39142	260	10	need	need	VBP
39142	260	11	not	not	RB
39142	260	12	be	be	VB
39142	260	13	surprised	surprised	JJ
39142	260	14	that	that	IN
39142	260	15	astronomy	astronomy	NN
39142	260	16	was	be	VBD
39142	260	17	regarded	regard	VBN
39142	260	18	as	as	IN
39142	260	19	a	a	DT
39142	260	20	finished	finished	JJ
39142	260	21	science	science	NN
39142	260	22	,	,	,
39142	260	23	and	and	CC
39142	260	24	made	make	VBD
39142	260	25	practically	practically	RB
39142	260	26	no	no	DT
39142	260	27	progress	progress	NN
39142	260	28	whatever	whatever	WDT
39142	260	29	for	for	IN
39142	260	30	centuries	century	NNS
39142	260	31	after	after	IN
39142	260	32	his	-PRON-	PRP$
39142	260	33	time	time	NN
39142	260	34	.	.	.
39142	261	1	Then	then	RB
39142	261	2	came	come	VBD
39142	261	3	Claudius	Claudius	NNP
39142	261	4	Ptolemæus	Ptolemæus	NNP
39142	261	5	,	,	,
39142	261	6	generally	generally	RB
39142	261	7	known	know	VBN
39142	261	8	as	as	IN
39142	261	9	Ptolemy	Ptolemy	NNP
39142	261	10	,	,	,
39142	261	11	the	the	DT
39142	261	12	last	last	JJ
39142	261	13	great	great	JJ
39142	261	14	name	name	NN
39142	261	15	in	in	IN
39142	261	16	Greek	greek	JJ
39142	261	17	astronomy	astronomy	NN
39142	261	18	.	.	.
39142	262	1	He	-PRON-	PRP
39142	262	2	lived	live	VBD
39142	262	3	in	in	IN
39142	262	4	Alexandria	Alexandria	NNP
39142	262	5	about	about	IN
39142	262	6	the	the	DT
39142	262	7	middle	middle	NN
39142	262	8	of	of	IN
39142	262	9	the	the	DT
39142	262	10	second	second	JJ
39142	262	11	century	century	NN
39142	262	12	A.	A.	NNP
39142	262	13	D.	D.	NNP
39142	262	14	and	and	CC
39142	262	15	wrote	write	VBD
39142	262	16	many	many	JJ
39142	262	17	minor	minor	JJ
39142	262	18	astronomical	astronomical	JJ
39142	262	19	and	and	CC
39142	262	20	astrological	astrological	JJ
39142	262	21	treatises	treatise	NNS
39142	262	22	,	,	,
39142	262	23	also	also	RB
39142	262	24	works	work	VBZ
39142	262	25	on	on	IN
39142	262	26	geography	geography	NN
39142	262	27	and	and	CC
39142	262	28	optics	optic	NNS
39142	262	29	,	,	,
39142	262	30	in	in	IN
39142	262	31	the	the	DT
39142	262	32	last	last	JJ
39142	262	33	of	of	IN
39142	262	34	which	which	WDT
39142	262	35	the	the	DT
39142	262	36	atmospheric	atmospheric	JJ
39142	262	37	refraction	refraction	NN
39142	262	38	of	of	IN
39142	262	39	rays	ray	NNS
39142	262	40	of	of	IN
39142	262	41	light	light	NN
39142	262	42	from	from	IN
39142	262	43	the	the	DT
39142	262	44	heavenly	heavenly	JJ
39142	262	45	bodies	body	NNS
39142	262	46	,	,	,
39142	262	47	apparently	apparently	RB
39142	262	48	elevating	elevate	VBG
39142	262	49	them	-PRON-	PRP
39142	262	50	toward	toward	IN
39142	262	51	the	the	DT
39142	262	52	zenith	zenith	NN
39142	262	53	,	,	,
39142	262	54	is	be	VBZ
39142	262	55	first	first	RB
39142	262	56	dealt	deal	VBN
39142	262	57	with	with	IN
39142	262	58	in	in	IN
39142	262	59	true	true	JJ
39142	262	60	form	form	NN
39142	262	61	.	.	.
39142	263	1	CHAPTER	CHAPTER	NNP
39142	263	2	VI	VI	NNP
39142	263	3	PTOLEMY	PTOLEMY	NNP
39142	263	4	AND	and	CC
39142	263	5	HIS	his	PRP$
39142	263	6	GREAT	great	JJ
39142	263	7	BOOK	BOOK	NNP
39142	263	8	Ptolemy	Ptolemy	NNP
39142	263	9	was	be	VBD
39142	263	10	an	an	DT
39142	263	11	observer	observer	NN
39142	263	12	of	of	IN
39142	263	13	the	the	DT
39142	263	14	heavens	heavens	NNPS
39142	263	15	,	,	,
39142	263	16	though	though	IN
39142	263	17	not	not	RB
39142	263	18	of	of	IN
39142	263	19	the	the	DT
39142	263	20	highest	high	JJS
39142	263	21	order	order	NN
39142	263	22	;	;	:
39142	263	23	but	but	CC
39142	263	24	he	-PRON-	PRP
39142	263	25	had	have	VBD
39142	263	26	all	all	PDT
39142	263	27	the	the	DT
39142	263	28	work	work	NN
39142	263	29	of	of	IN
39142	263	30	his	-PRON-	PRP$
39142	263	31	predecessors	predecessor	NNS
39142	263	32	,	,	,
39142	263	33	best	good	JJS
39142	263	34	of	of	IN
39142	263	35	all	all	DT
39142	263	36	Hipparchus	Hipparchus	NNP
39142	263	37	,	,	,
39142	263	38	to	to	TO
39142	263	39	build	build	VB
39142	263	40	upon	upon	IN
39142	263	41	.	.	.
39142	264	1	Ptolemy	Ptolemy	NNP
39142	264	2	's	's	POS
39142	264	3	greatest	great	JJS
39142	264	4	work	work	NN
39142	264	5	was	be	VBD
39142	264	6	the	the	DT
39142	264	7	"	"	``
39142	264	8	Megale	Megale	NNP
39142	264	9	Syntaxis	Syntaxis	NNP
39142	264	10	,	,	,
39142	264	11	"	"	''
39142	264	12	generally	generally	RB
39142	264	13	known	know	VBN
39142	264	14	as	as	IN
39142	264	15	the	the	DT
39142	264	16	Almagest	Almagest	NNP
39142	264	17	.	.	.
39142	265	1	It	-PRON-	PRP
39142	265	2	forms	form	VBZ
39142	265	3	a	a	DT
39142	265	4	nearly	nearly	RB
39142	265	5	complete	complete	JJ
39142	265	6	compendium	compendium	NN
39142	265	7	of	of	IN
39142	265	8	the	the	DT
39142	265	9	ancient	ancient	JJ
39142	265	10	astronomy	astronomy	NN
39142	265	11	,	,	,
39142	265	12	and	and	CC
39142	265	13	although	although	IN
39142	265	14	it	-PRON-	PRP
39142	265	15	embodies	embody	VBZ
39142	265	16	much	much	JJ
39142	265	17	error	error	NN
39142	265	18	,	,	,
39142	265	19	because	because	IN
39142	265	20	built	build	VBN
39142	265	21	on	on	IN
39142	265	22	a	a	DT
39142	265	23	wrong	wrong	JJ
39142	265	24	theory	theory	NN
39142	265	25	,	,	,
39142	265	26	the	the	DT
39142	265	27	Almagest	Almagest	NNP
39142	265	28	nevertheless	nevertheless	RB
39142	265	29	is	be	VBZ
39142	265	30	competent	competent	JJ
39142	265	31	to	to	TO
39142	265	32	follow	follow	VB
39142	265	33	the	the	DT
39142	265	34	motions	motion	NNS
39142	265	35	of	of	IN
39142	265	36	all	all	PDT
39142	265	37	the	the	DT
39142	265	38	bodies	body	NNS
39142	265	39	in	in	IN
39142	265	40	the	the	DT
39142	265	41	sky	sky	NN
39142	265	42	with	with	IN
39142	265	43	a	a	DT
39142	265	44	close	close	JJ
39142	265	45	approach	approach	NN
39142	265	46	to	to	IN
39142	265	47	accuracy	accuracy	NN
39142	265	48	,	,	,
39142	265	49	even	even	RB
39142	265	50	at	at	IN
39142	265	51	the	the	DT
39142	265	52	present	present	JJ
39142	265	53	day	day	NN
39142	265	54	.	.	.
39142	266	1	This	this	DT
39142	266	2	marvelous	marvelous	JJ
39142	266	3	work	work	NN
39142	266	4	written	write	VBN
39142	266	5	at	at	IN
39142	266	6	this	this	DT
39142	266	7	critical	critical	JJ
39142	266	8	epoch	epoch	NN
39142	266	9	became	become	VBD
39142	266	10	as	as	RB
39142	266	11	authoritative	authoritative	JJ
39142	266	12	as	as	IN
39142	266	13	the	the	DT
39142	266	14	philosophy	philosophy	NN
39142	266	15	of	of	IN
39142	266	16	Aristotle	Aristotle	NNP
39142	266	17	,	,	,
39142	266	18	and	and	CC
39142	266	19	for	for	IN
39142	266	20	many	many	JJ
39142	266	21	centuries	century	NNS
39142	266	22	it	-PRON-	PRP
39142	266	23	was	be	VBD
39142	266	24	the	the	DT
39142	266	25	last	last	JJ
39142	266	26	word	word	NN
39142	266	27	in	in	IN
39142	266	28	the	the	DT
39142	266	29	science	science	NN
39142	266	30	.	.	.
39142	267	1	The	the	DT
39142	267	2	old	old	JJ
39142	267	3	astrology	astrology	NN
39142	267	4	held	hold	VBD
39142	267	5	full	full	JJ
39142	267	6	sway	sway	NN
39142	267	7	,	,	,
39142	267	8	and	and	CC
39142	267	9	the	the	DT
39142	267	10	Ptolemaic	Ptolemaic	NNP
39142	267	11	theory	theory	NN
39142	267	12	of	of	IN
39142	267	13	the	the	DT
39142	267	14	universe	universe	NN
39142	267	15	supplied	supply	VBD
39142	267	16	everything	everything	NN
39142	267	17	necessary	necessary	JJ
39142	267	18	:	:	:
39142	267	19	further	further	JJ
39142	267	20	progress	progress	NN
39142	267	21	,	,	,
39142	267	22	indeed	indeed	RB
39142	267	23	,	,	,
39142	267	24	was	be	VBD
39142	267	25	deemed	deem	VBN
39142	267	26	impossible	impossible	JJ
39142	267	27	.	.	.
39142	268	1	The	the	DT
39142	268	2	Almagest	Almagest	NNP
39142	268	3	comprises	comprise	VBZ
39142	268	4	in	in	IN
39142	268	5	all	all	DT
39142	268	6	thirteen	thirteen	CD
39142	268	7	books	book	NNS
39142	268	8	,	,	,
39142	268	9	the	the	DT
39142	268	10	first	first	JJ
39142	268	11	two	two	CD
39142	268	12	of	of	IN
39142	268	13	which	which	WDT
39142	268	14	deal	deal	VBP
39142	268	15	with	with	IN
39142	268	16	the	the	DT
39142	268	17	simpler	simple	JJR
39142	268	18	observations	observation	NNS
39142	268	19	of	of	IN
39142	268	20	the	the	DT
39142	268	21	celestial	celestial	JJ
39142	268	22	sphere	sphere	NN
39142	268	23	,	,	,
39142	268	24	its	-PRON-	PRP$
39142	268	25	own	own	JJ
39142	268	26	motion	motion	NN
39142	268	27	and	and	CC
39142	268	28	the	the	DT
39142	268	29	apparent	apparent	JJ
39142	268	30	motions	motion	NNS
39142	268	31	of	of	IN
39142	268	32	sun	sun	NN
39142	268	33	,	,	,
39142	268	34	moon	moon	NN
39142	268	35	,	,	,
39142	268	36	and	and	CC
39142	268	37	planets	planet	NNS
39142	268	38	upon	upon	IN
39142	268	39	it	-PRON-	PRP
39142	268	40	.	.	.
39142	269	1	He	-PRON-	PRP
39142	269	2	discusses	discuss	VBZ
39142	269	3	,	,	,
39142	269	4	too	too	RB
39142	269	5	,	,	,
39142	269	6	the	the	DT
39142	269	7	postulates	postulate	NNS
39142	269	8	of	of	IN
39142	269	9	his	-PRON-	PRP$
39142	269	10	system	system	NN
39142	269	11	and	and	CC
39142	269	12	exhibits	exhibit	VBZ
39142	269	13	great	great	JJ
39142	269	14	skill	skill	NN
39142	269	15	as	as	IN
39142	269	16	an	an	DT
39142	269	17	original	original	JJ
39142	269	18	geometer	geometer	NN
39142	269	19	and	and	CC
39142	269	20	mathematician	mathematician	NN
39142	269	21	.	.	.
39142	270	1	In	in	IN
39142	270	2	the	the	DT
39142	270	3	third	third	JJ
39142	270	4	book	book	NN
39142	270	5	he	-PRON-	PRP
39142	270	6	takes	take	VBZ
39142	270	7	up	up	RP
39142	270	8	the	the	DT
39142	270	9	length	length	NN
39142	270	10	of	of	IN
39142	270	11	the	the	DT
39142	270	12	year	year	NN
39142	270	13	,	,	,
39142	270	14	and	and	CC
39142	270	15	in	in	IN
39142	270	16	the	the	DT
39142	270	17	fourth	fourth	JJ
39142	270	18	book	book	NN
39142	270	19	similarly	similarly	RB
39142	270	20	the	the	DT
39142	270	21	moon	moon	NN
39142	270	22	and	and	CC
39142	270	23	the	the	DT
39142	270	24	length	length	NN
39142	270	25	of	of	IN
39142	270	26	the	the	DT
39142	270	27	month	month	NN
39142	270	28	.	.	.
39142	271	1	Here	here	RB
39142	271	2	his	-PRON-	PRP$
39142	271	3	mathematical	mathematical	JJ
39142	271	4	powers	power	NNS
39142	271	5	are	be	VBP
39142	271	6	at	at	IN
39142	271	7	their	-PRON-	PRP$
39142	271	8	best	good	JJS
39142	271	9	,	,	,
39142	271	10	and	and	CC
39142	271	11	he	-PRON-	PRP
39142	271	12	made	make	VBD
39142	271	13	a	a	DT
39142	271	14	discovery	discovery	NN
39142	271	15	of	of	IN
39142	271	16	an	an	DT
39142	271	17	inequality	inequality	NN
39142	271	18	in	in	IN
39142	271	19	the	the	DT
39142	271	20	moon	moon	NN
39142	271	21	's	's	POS
39142	271	22	motion	motion	NN
39142	271	23	known	know	VBN
39142	271	24	as	as	IN
39142	271	25	the	the	DT
39142	271	26	evection	evection	NN
39142	271	27	.	.	.
39142	272	1	Book	book	NN
39142	272	2	five	five	CD
39142	272	3	describes	describe	VBZ
39142	272	4	the	the	DT
39142	272	5	construction	construction	NN
39142	272	6	and	and	CC
39142	272	7	use	use	NN
39142	272	8	of	of	IN
39142	272	9	the	the	DT
39142	272	10	astrolabe	astrolabe	NNP
39142	272	11	,	,	,
39142	272	12	a	a	DT
39142	272	13	combination	combination	NN
39142	272	14	of	of	IN
39142	272	15	graduated	graduated	JJ
39142	272	16	circles	circle	NNS
39142	272	17	with	with	IN
39142	272	18	which	which	WDT
39142	272	19	Ptolemy	Ptolemy	NNP
39142	272	20	made	make	VBD
39142	272	21	most	most	JJS
39142	272	22	of	of	IN
39142	272	23	his	-PRON-	PRP$
39142	272	24	observations	observation	NNS
39142	272	25	.	.	.
39142	273	1	In	in	IN
39142	273	2	the	the	DT
39142	273	3	sixth	sixth	JJ
39142	273	4	book	book	NN
39142	273	5	he	-PRON-	PRP
39142	273	6	follows	follow	VBZ
39142	273	7	mainly	mainly	RB
39142	273	8	Hipparchus	Hipparchus	NNP
39142	273	9	in	in	IN
39142	273	10	dealing	deal	VBG
39142	273	11	with	with	IN
39142	273	12	eclipses	eclipse	NNS
39142	273	13	of	of	IN
39142	273	14	sun	sun	NN
39142	273	15	and	and	CC
39142	273	16	moon	moon	NN
39142	273	17	.	.	.
39142	274	1	In	in	IN
39142	274	2	the	the	DT
39142	274	3	seventh	seventh	JJ
39142	274	4	and	and	CC
39142	274	5	eighth	eighth	JJ
39142	274	6	books	book	NNS
39142	274	7	he	-PRON-	PRP
39142	274	8	discusses	discuss	VBZ
39142	274	9	the	the	DT
39142	274	10	motion	motion	NN
39142	274	11	of	of	IN
39142	274	12	the	the	DT
39142	274	13	equinox	equinox	NN
39142	274	14	,	,	,
39142	274	15	and	and	CC
39142	274	16	embodies	embody	VBZ
39142	274	17	a	a	DT
39142	274	18	catalogue	catalogue	NN
39142	274	19	of	of	IN
39142	274	20	1,028	1,028	CD
39142	274	21	stars	star	NNS
39142	274	22	,	,	,
39142	274	23	substantially	substantially	RB
39142	274	24	as	as	IN
39142	274	25	in	in	IN
39142	274	26	Hipparchus	Hipparchus	NNP
39142	274	27	.	.	.
39142	275	1	The	the	DT
39142	275	2	five	five	CD
39142	275	3	remaining	remain	VBG
39142	275	4	books	book	NNS
39142	275	5	of	of	IN
39142	275	6	the	the	DT
39142	275	7	Almagest	Almagest	NNP
39142	275	8	deal	deal	NN
39142	275	9	with	with	IN
39142	275	10	the	the	DT
39142	275	11	planetary	planetary	NN
39142	275	12	motions	motion	NNS
39142	275	13	,	,	,
39142	275	14	and	and	CC
39142	275	15	are	be	VBP
39142	275	16	the	the	DT
39142	275	17	most	most	RBS
39142	275	18	important	important	JJ
39142	275	19	of	of	IN
39142	275	20	all	all	DT
39142	275	21	of	of	IN
39142	275	22	Ptolemy	Ptolemy	NNP
39142	275	23	's	's	POS
39142	275	24	original	original	JJ
39142	275	25	contributions	contribution	NNS
39142	275	26	to	to	IN
39142	275	27	astronomy	astronomy	NNP
39142	275	28	.	.	.
39142	276	1	Ptolemy	Ptolemy	NNP
39142	276	2	's	's	POS
39142	276	3	fundamental	fundamental	JJ
39142	276	4	doctrines	doctrine	NNS
39142	276	5	were	be	VBD
39142	276	6	that	that	IN
39142	276	7	the	the	DT
39142	276	8	heavens	heavens	NNPS
39142	276	9	are	be	VBP
39142	276	10	spherical	spherical	JJ
39142	276	11	in	in	IN
39142	276	12	form	form	NN
39142	276	13	,	,	,
39142	276	14	all	all	PDT
39142	276	15	the	the	DT
39142	276	16	heavenly	heavenly	JJ
39142	276	17	motions	motion	NNS
39142	276	18	being	be	VBG
39142	276	19	in	in	IN
39142	276	20	circles	circle	NNS
39142	276	21	.	.	.
39142	277	1	In	in	IN
39142	277	2	his	-PRON-	PRP$
39142	277	3	view	view	NN
39142	277	4	,	,	,
39142	277	5	the	the	DT
39142	277	6	earth	earth	NN
39142	277	7	too	too	RB
39142	277	8	is	be	VBZ
39142	277	9	spherical	spherical	JJ
39142	277	10	,	,	,
39142	277	11	and	and	CC
39142	277	12	it	-PRON-	PRP
39142	277	13	is	be	VBZ
39142	277	14	located	locate	VBN
39142	277	15	at	at	IN
39142	277	16	the	the	DT
39142	277	17	center	center	NN
39142	277	18	of	of	IN
39142	277	19	the	the	DT
39142	277	20	universe	universe	NN
39142	277	21	,	,	,
39142	277	22	being	be	VBG
39142	277	23	only	only	RB
39142	277	24	a	a	DT
39142	277	25	point	point	NN
39142	277	26	,	,	,
39142	277	27	as	as	IN
39142	277	28	it	-PRON-	PRP
39142	277	29	were	be	VBD
39142	277	30	,	,	,
39142	277	31	in	in	IN
39142	277	32	comparison	comparison	NN
39142	277	33	.	.	.
39142	278	1	All	all	DT
39142	278	2	was	be	VBD
39142	278	3	founded	found	VBN
39142	278	4	on	on	IN
39142	278	5	mere	mere	JJ
39142	278	6	appearance	appearance	NN
39142	278	7	combined	combine	VBN
39142	278	8	with	with	IN
39142	278	9	the	the	DT
39142	278	10	philosophical	philosophical	JJ
39142	278	11	notion	notion	NN
39142	278	12	that	that	IN
39142	278	13	the	the	DT
39142	278	14	circle	circle	NN
39142	278	15	being	be	VBG
39142	278	16	the	the	DT
39142	278	17	only	only	JJ
39142	278	18	perfect	perfect	JJ
39142	278	19	curve	curve	NN
39142	278	20	,	,	,
39142	278	21	all	all	DT
39142	278	22	motions	motion	NNS
39142	278	23	of	of	IN
39142	278	24	heavenly	heavenly	JJ
39142	278	25	bodies	body	NNS
39142	278	26	must	must	MD
39142	278	27	take	take	VB
39142	278	28	place	place	NN
39142	278	29	in	in	IN
39142	278	30	earth	earth	NN
39142	278	31	-	-	HYPH
39142	278	32	centered	center	VBN
39142	278	33	circles	circle	NNS
39142	278	34	.	.	.
39142	279	1	For	for	IN
39142	279	2	fourteen	fourteen	CD
39142	279	3	or	or	CC
39142	279	4	fifteen	fifteen	CD
39142	279	5	centuries	century	NNS
39142	279	6	this	this	DT
39142	279	7	false	false	JJ
39142	279	8	theory	theory	NN
39142	279	9	persisted	persist	VBD
39142	279	10	,	,	,
39142	279	11	on	on	IN
39142	279	12	the	the	DT
39142	279	13	authority	authority	NN
39142	279	14	of	of	IN
39142	279	15	Ptolemy	Ptolemy	NNP
39142	279	16	and	and	CC
39142	279	17	the	the	DT
39142	279	18	Almagest	Almagest	NNP
39142	279	19	,	,	,
39142	279	20	rendering	render	VBG
39142	279	21	progress	progress	NN
39142	279	22	toward	toward	IN
39142	279	23	the	the	DT
39142	279	24	development	development	NN
39142	279	25	of	of	IN
39142	279	26	the	the	DT
39142	279	27	true	true	JJ
39142	279	28	theory	theory	NN
39142	279	29	impossible	impossible	JJ
39142	279	30	.	.	.
39142	280	1	Ptolemy	Ptolemy	NNP
39142	280	2	correctly	correctly	RB
39142	280	3	argued	argue	VBD
39142	280	4	that	that	IN
39142	280	5	the	the	DT
39142	280	6	earth	earth	NN
39142	280	7	itself	-PRON-	PRP
39142	280	8	is	be	VBZ
39142	280	9	a	a	DT
39142	280	10	sphere	sphere	NN
39142	280	11	that	that	WDT
39142	280	12	is	be	VBZ
39142	280	13	curved	curve	VBN
39142	280	14	from	from	IN
39142	280	15	east	east	NNP
39142	280	16	to	to	IN
39142	280	17	west	west	NN
39142	280	18	,	,	,
39142	280	19	and	and	CC
39142	280	20	from	from	IN
39142	280	21	north	north	NN
39142	280	22	to	to	IN
39142	280	23	south	south	RB
39142	280	24	as	as	RB
39142	280	25	well	well	RB
39142	280	26	,	,	,
39142	280	27	clinching	clinch	VBG
39142	280	28	his	-PRON-	PRP$
39142	280	29	argument	argument	NN
39142	280	30	,	,	,
39142	280	31	as	as	IN
39142	280	32	we	-PRON-	PRP
39142	280	33	do	do	VBP
39142	280	34	to	to	IN
39142	280	35	-	-	HYPH
39142	280	36	day	day	NN
39142	280	37	,	,	,
39142	280	38	by	by	IN
39142	280	39	the	the	DT
39142	280	40	visibility	visibility	NN
39142	280	41	of	of	IN
39142	280	42	objects	object	NNS
39142	280	43	at	at	IN
39142	280	44	sea	sea	NN
39142	280	45	,	,	,
39142	280	46	the	the	DT
39142	280	47	lower	low	JJR
39142	280	48	portions	portion	NNS
39142	280	49	of	of	IN
39142	280	50	which	which	WDT
39142	280	51	are	be	VBP
39142	280	52	at	at	IN
39142	280	53	first	first	RB
39142	280	54	concealed	conceal	VBN
39142	280	55	from	from	IN
39142	280	56	our	-PRON-	PRP$
39142	280	57	view	view	NN
39142	280	58	by	by	IN
39142	280	59	the	the	DT
39142	280	60	curved	curved	JJ
39142	280	61	surface	surface	NN
39142	280	62	of	of	IN
39142	280	63	the	the	DT
39142	280	64	water	water	NN
39142	280	65	which	which	WDT
39142	280	66	intervenes	intervene	VBZ
39142	280	67	.	.	.
39142	281	1	To	to	IN
39142	281	2	Ptolemy	Ptolemy	NNP
39142	281	3	also	also	RB
39142	281	4	the	the	DT
39142	281	5	earth	earth	NN
39142	281	6	is	be	VBZ
39142	281	7	at	at	IN
39142	281	8	the	the	DT
39142	281	9	center	center	NN
39142	281	10	of	of	IN
39142	281	11	the	the	DT
39142	281	12	celestial	celestial	JJ
39142	281	13	sphere	sphere	NN
39142	281	14	,	,	,
39142	281	15	and	and	CC
39142	281	16	it	-PRON-	PRP
39142	281	17	has	have	VBZ
39142	281	18	no	no	DT
39142	281	19	motion	motion	NN
39142	281	20	of	of	IN
39142	281	21	translation	translation	NN
39142	281	22	from	from	IN
39142	281	23	that	that	DT
39142	281	24	point	point	NN
39142	281	25	;	;	:
39142	281	26	but	but	CC
39142	281	27	his	-PRON-	PRP$
39142	281	28	argument	argument	NN
39142	281	29	fails	fail	VBZ
39142	281	30	to	to	TO
39142	281	31	prove	prove	VB
39142	281	32	this	this	DT
39142	281	33	.	.	.
39142	282	1	Truth	truth	NN
39142	282	2	and	and	CC
39142	282	3	error	error	NN
39142	282	4	,	,	,
39142	282	5	indeed	indeed	RB
39142	282	6	,	,	,
39142	282	7	are	be	VBP
39142	282	8	so	so	RB
39142	282	9	deftly	deftly	RB
39142	282	10	intermingled	intermingle	VBN
39142	282	11	that	that	IN
39142	282	12	one	one	NN
39142	282	13	is	be	VBZ
39142	282	14	led	lead	VBN
39142	282	15	to	to	TO
39142	282	16	wonder	wonder	VB
39142	282	17	why	why	WRB
39142	282	18	the	the	DT
39142	282	19	keen	keen	JJ
39142	282	20	intelligence	intelligence	NN
39142	282	21	of	of	IN
39142	282	22	this	this	DT
39142	282	23	great	great	JJ
39142	282	24	philosopher	philosopher	NN
39142	282	25	permitted	permit	VBD
39142	282	26	him	-PRON-	PRP
39142	282	27	to	to	TO
39142	282	28	reject	reject	VB
39142	282	29	the	the	DT
39142	282	30	simple	simple	JJ
39142	282	31	doctrine	doctrine	NN
39142	282	32	of	of	IN
39142	282	33	the	the	DT
39142	282	34	earth	earth	NN
39142	282	35	's	's	POS
39142	282	36	rotation	rotation	NN
39142	282	37	on	on	IN
39142	282	38	its	-PRON-	PRP$
39142	282	39	axis	axis	NN
39142	282	40	.	.	.
39142	283	1	But	but	CC
39142	283	2	if	if	IN
39142	283	3	we	-PRON-	PRP
39142	283	4	reflect	reflect	VBP
39142	283	5	that	that	IN
39142	283	6	there	there	EX
39142	283	7	was	be	VBD
39142	283	8	then	then	RB
39142	283	9	no	no	DT
39142	283	10	science	science	NN
39142	283	11	of	of	IN
39142	283	12	natural	natural	JJ
39142	283	13	philosophy	philosophy	NN
39142	283	14	or	or	CC
39142	283	15	physics	physics	NN
39142	283	16	proper	proper	JJ
39142	283	17	,	,	,
39142	283	18	and	and	CC
39142	283	19	that	that	IN
39142	283	20	the	the	DT
39142	283	21	age	age	NN
39142	283	22	was	be	VBD
39142	283	23	wholly	wholly	RB
39142	283	24	undeveloped	undeveloped	JJ
39142	283	25	along	along	IN
39142	283	26	the	the	DT
39142	283	27	lines	line	NNS
39142	283	28	of	of	IN
39142	283	29	practical	practical	JJ
39142	283	30	mechanics	mechanic	NNS
39142	283	31	,	,	,
39142	283	32	we	-PRON-	PRP
39142	283	33	shall	shall	MD
39142	283	34	see	see	VB
39142	283	35	why	why	WRB
39142	283	36	the	the	DT
39142	283	37	astronomers	astronomer	NNS
39142	283	38	of	of	IN
39142	283	39	Ptolemy	Ptolemy	NNP
39142	283	40	's	's	POS
39142	283	41	time	time	NN
39142	283	42	and	and	CC
39142	283	43	subsequent	subsequent	JJ
39142	283	44	centuries	century	NNS
39142	283	45	were	be	VBD
39142	283	46	content	content	JJ
39142	283	47	to	to	TO
39142	283	48	accept	accept	VB
39142	283	49	the	the	DT
39142	283	50	doctrines	doctrine	NNS
39142	283	51	of	of	IN
39142	283	52	the	the	DT
39142	283	53	heavens	heavens	NNPS
39142	283	54	as	as	IN
39142	283	55	formulated	formulate	VBN
39142	283	56	by	by	IN
39142	283	57	him	-PRON-	PRP
39142	283	58	.	.	.
39142	284	1	When	when	WRB
39142	284	2	it	-PRON-	PRP
39142	284	3	came	come	VBD
39142	284	4	to	to	IN
39142	284	5	explaining	explain	VBG
39142	284	6	the	the	DT
39142	284	7	movements	movement	NNS
39142	284	8	of	of	IN
39142	284	9	the	the	DT
39142	284	10	"	"	``
39142	284	11	wandering	wander	VBG
39142	284	12	stars	star	NNS
39142	284	13	,	,	,
39142	284	14	"	"	''
39142	284	15	or	or	CC
39142	284	16	planets	planet	NNS
39142	284	17	,	,	,
39142	284	18	as	as	IN
39142	284	19	we	-PRON-	PRP
39142	284	20	term	term	VBP
39142	284	21	them	-PRON-	PRP
39142	284	22	,	,	,
39142	284	23	the	the	DT
39142	284	24	Ptolemaic	Ptolemaic	NNP
39142	284	25	theory	theory	NN
39142	284	26	was	be	VBD
39142	284	27	very	very	RB
39142	284	28	happy	happy	JJ
39142	284	29	in	in	IN
39142	284	30	so	so	RB
39142	284	31	far	far	RB
39142	284	32	as	as	IN
39142	284	33	accuracy	accuracy	NN
39142	284	34	was	be	VBD
39142	284	35	concerned	concern	VBN
39142	284	36	,	,	,
39142	284	37	but	but	CC
39142	284	38	very	very	RB
39142	284	39	unhappy	unhappy	JJ
39142	284	40	when	when	WRB
39142	284	41	it	-PRON-	PRP
39142	284	42	had	have	VBD
39142	284	43	to	to	TO
39142	284	44	account	account	VB
39142	284	45	for	for	IN
39142	284	46	the	the	DT
39142	284	47	actual	actual	JJ
39142	284	48	mechanics	mechanic	NNS
39142	284	49	of	of	IN
39142	284	50	the	the	DT
39142	284	51	cosmos	cosmos	NNP
39142	284	52	in	in	IN
39142	284	53	space	space	NN
39142	284	54	.	.	.
39142	285	1	Sun	Sun	NNP
39142	285	2	and	and	CC
39142	285	3	moon	moon	NN
39142	285	4	were	be	VBD
39142	285	5	the	the	DT
39142	285	6	only	only	JJ
39142	285	7	bodies	body	NNS
39142	285	8	that	that	WDT
39142	285	9	went	go	VBD
39142	285	10	steadily	steadily	RB
39142	285	11	onward	onward	RB
39142	285	12	,	,	,
39142	285	13	easterly	easterly	RB
39142	285	14	:	:	:
39142	285	15	whereas	whereas	IN
39142	285	16	all	all	PDT
39142	285	17	the	the	DT
39142	285	18	others	other	NNS
39142	285	19	,	,	,
39142	285	20	Mercury	Mercury	NNP
39142	285	21	,	,	,
39142	285	22	Venus	Venus	NNP
39142	285	23	,	,	,
39142	285	24	Mars	Mars	NNP
39142	285	25	,	,	,
39142	285	26	Jupiter	Jupiter	NNP
39142	285	27	,	,	,
39142	285	28	Saturn	Saturn	NNP
39142	285	29	,	,	,
39142	285	30	although	although	IN
39142	285	31	they	-PRON-	PRP
39142	285	32	moved	move	VBD
39142	285	33	easterly	easterly	RB
39142	285	34	most	most	JJS
39142	285	35	of	of	IN
39142	285	36	the	the	DT
39142	285	37	time	time	NN
39142	285	38	,	,	,
39142	285	39	nevertheless	nevertheless	RB
39142	285	40	would	would	MD
39142	285	41	at	at	IN
39142	285	42	intervals	interval	NNS
39142	285	43	slow	slow	VB
39142	285	44	down	down	RP
39142	285	45	to	to	IN
39142	285	46	stationary	stationary	JJ
39142	285	47	points	point	NNS
39142	285	48	,	,	,
39142	285	49	where	where	WRB
39142	285	50	for	for	IN
39142	285	51	a	a	DT
39142	285	52	time	time	NN
39142	285	53	they	-PRON-	PRP
39142	285	54	did	do	VBD
39142	285	55	not	not	RB
39142	285	56	move	move	VB
39142	285	57	at	at	RB
39142	285	58	all	all	RB
39142	285	59	,	,	,
39142	285	60	and	and	CC
39142	285	61	then	then	RB
39142	285	62	actually	actually	RB
39142	285	63	go	go	VBP
39142	285	64	backward	backward	JJ
39142	285	65	to	to	IN
39142	285	66	the	the	DT
39142	285	67	west	west	NN
39142	285	68	,	,	,
39142	285	69	or	or	CC
39142	285	70	retrograde	retrograde	NN
39142	285	71	,	,	,
39142	285	72	then	then	RB
39142	285	73	become	become	VB
39142	285	74	stationary	stationary	JJ
39142	285	75	again	again	RB
39142	285	76	,	,	,
39142	285	77	finally	finally	RB
39142	285	78	resuming	resume	VBG
39142	285	79	their	-PRON-	PRP$
39142	285	80	regular	regular	JJ
39142	285	81	onward	onward	JJ
39142	285	82	motion	motion	NN
39142	285	83	to	to	IN
39142	285	84	the	the	DT
39142	285	85	east	east	NN
39142	285	86	.	.	.
39142	286	1	To	to	TO
39142	286	2	help	help	VB
39142	286	3	out	out	IN
39142	286	4	of	of	IN
39142	286	5	this	this	DT
39142	286	6	difficulty	difficulty	NN
39142	286	7	,	,	,
39142	286	8	the	the	DT
39142	286	9	worst	bad	JJS
39142	286	10	possible	possible	JJ
39142	286	11	mechanical	mechanical	JJ
39142	286	12	scheme	scheme	NN
39142	286	13	was	be	VBD
39142	286	14	invented	invent	VBN
39142	286	15	,	,	,
39142	286	16	that	that	DT
39142	286	17	known	know	VBN
39142	286	18	as	as	IN
39142	286	19	the	the	DT
39142	286	20	epicycle	epicycle	NN
39142	286	21	.	.	.
39142	287	1	Each	each	DT
39142	287	2	of	of	IN
39142	287	3	the	the	DT
39142	287	4	five	five	CD
39142	287	5	planets	planet	NNS
39142	287	6	was	be	VBD
39142	287	7	supposed	suppose	VBN
39142	287	8	to	to	TO
39142	287	9	have	have	VB
39142	287	10	a	a	DT
39142	287	11	fictitious	fictitious	JJ
39142	287	12	"	"	``
39142	287	13	double	double	JJ
39142	287	14	,	,	,
39142	287	15	"	"	''
39142	287	16	which	which	WDT
39142	287	17	traveled	travel	VBD
39142	287	18	eastward	eastward	RB
39142	287	19	with	with	IN
39142	287	20	uniformity	uniformity	NN
39142	287	21	,	,	,
39142	287	22	attached	attach	VBN
39142	287	23	to	to	IN
39142	287	24	the	the	DT
39142	287	25	end	end	NN
39142	287	26	of	of	IN
39142	287	27	a	a	DT
39142	287	28	huge	huge	JJ
39142	287	29	but	but	CC
39142	287	30	mechanically	mechanically	RB
39142	287	31	impossible	impossible	JJ
39142	287	32	bar	bar	NN
39142	287	33	.	.	.
39142	288	1	The	the	DT
39142	288	2	earth	earth	NN
39142	288	3	-	-	HYPH
39142	288	4	centered	center	VBN
39142	288	5	circle	circle	NN
39142	288	6	in	in	IN
39142	288	7	which	which	WDT
39142	288	8	this	this	DT
39142	288	9	traveled	travel	VBN
39142	288	10	round	round	NN
39142	288	11	was	be	VBD
39142	288	12	called	call	VBN
39142	288	13	the	the	DT
39142	288	14	"	"	``
39142	288	15	deferent	deferent	JJ
39142	288	16	.	.	.
39142	288	17	"	"	''
39142	289	1	What	what	WP
39142	289	2	this	this	DT
39142	289	3	bar	bar	NN
39142	289	4	was	be	VBD
39142	289	5	made	make	VBN
39142	289	6	of	of	IN
39142	289	7	,	,	,
39142	289	8	what	what	WP
39142	289	9	stresses	stress	VBZ
39142	289	10	it	-PRON-	PRP
39142	289	11	would	would	MD
39142	289	12	be	be	VB
39142	289	13	subjected	subject	VBN
39142	289	14	to	to	IN
39142	289	15	,	,	,
39142	289	16	or	or	CC
39142	289	17	what	what	WP
39142	289	18	its	-PRON-	PRP$
39142	289	19	size	size	NN
39142	289	20	would	would	MD
39142	289	21	have	have	VB
39142	289	22	to	to	TO
39142	289	23	be	be	VB
39142	289	24	in	in	IN
39142	289	25	order	order	NN
39142	289	26	to	to	TO
39142	289	27	keep	keep	VB
39142	289	28	from	from	IN
39142	289	29	breaking	breaking	NN
39142	289	30	--	--	:
39142	289	31	none	none	NN
39142	289	32	of	of	IN
39142	289	33	these	these	DT
39142	289	34	questions	question	NNS
39142	289	35	seems	seem	VBZ
39142	289	36	to	to	TO
39142	289	37	have	have	VB
39142	289	38	agitated	agitate	VBN
39142	289	39	the	the	DT
39142	289	40	ancient	ancient	JJ
39142	289	41	and	and	CC
39142	289	42	medieval	medieval	JJ
39142	289	43	astronomers	astronomer	NNS
39142	289	44	,	,	,
39142	289	45	any	any	DT
39142	289	46	more	more	JJR
39142	289	47	than	than	IN
39142	289	48	the	the	DT
39142	289	49	flat	flat	JJ
39142	289	50	-	-	HYPH
39142	289	51	earth	earth	NN
39142	289	52	astronomy	astronomy	NN
39142	289	53	of	of	IN
39142	289	54	the	the	DT
39142	289	55	Hindu	Hindu	NNP
39142	289	56	is	be	VBZ
39142	289	57	troubled	trouble	VBN
39142	289	58	by	by	IN
39142	289	59	the	the	DT
39142	289	60	necessity	necessity	NN
39142	289	61	of	of	IN
39142	289	62	something	something	NN
39142	289	63	to	to	TO
39142	289	64	hold	hold	VB
39142	289	65	up	up	RP
39142	289	66	the	the	DT
39142	289	67	tortoise	tortoise	NN
39142	289	68	that	that	WDT
39142	289	69	holds	hold	VBZ
39142	289	70	up	up	IN
39142	289	71	the	the	DT
39142	289	72	elephant	elephant	NN
39142	289	73	that	that	WDT
39142	289	74	holds	hold	VBZ
39142	289	75	up	up	IN
39142	289	76	the	the	DT
39142	289	77	earth	earth	NN
39142	289	78	.	.	.
39142	290	1	But	but	CC
39142	290	2	at	at	IN
39142	290	3	the	the	DT
39142	290	4	end	end	NN
39142	290	5	of	of	IN
39142	290	6	this	this	DT
39142	290	7	bar	bar	NN
39142	290	8	is	be	VBZ
39142	290	9	jointed	joint	VBN
39142	290	10	or	or	CC
39142	290	11	swiveled	swivel	VBN
39142	290	12	another	another	DT
39142	290	13	shorter	short	JJR
39142	290	14	bar	bar	NN
39142	290	15	,	,	,
39142	290	16	to	to	IN
39142	290	17	the	the	DT
39142	290	18	revolving	revolving	JJ
39142	290	19	end	end	NN
39142	290	20	of	of	IN
39142	290	21	which	which	WDT
39142	290	22	is	be	VBZ
39142	290	23	attached	attach	VBN
39142	290	24	the	the	DT
39142	290	25	actual	actual	JJ
39142	290	26	planet	planet	NN
39142	290	27	itself	-PRON-	PRP
39142	290	28	;	;	:
39142	290	29	and	and	CC
39142	290	30	the	the	DT
39142	290	31	second	second	JJ
39142	290	32	bar	bar	NN
39142	290	33	,	,	,
39142	290	34	by	by	IN
39142	290	35	swinging	swinge	VBG
39142	290	36	once	once	RB
39142	290	37	round	round	IN
39142	290	38	the	the	DT
39142	290	39	end	end	NN
39142	290	40	of	of	IN
39142	290	41	the	the	DT
39142	290	42	primary	primary	JJ
39142	290	43	advancing	advance	VBG
39142	290	44	bar	bar	NN
39142	290	45	,	,	,
39142	290	46	would	would	MD
39142	290	47	account	account	VB
39142	290	48	for	for	IN
39142	290	49	the	the	DT
39142	290	50	backward	backward	JJ
39142	290	51	or	or	CC
39142	290	52	retrograde	retrograde	JJ
39142	290	53	motion	motion	NN
39142	290	54	of	of	IN
39142	290	55	the	the	DT
39142	290	56	planet	planet	NN
39142	290	57	as	as	IN
39142	290	58	seen	see	VBN
39142	290	59	in	in	IN
39142	290	60	the	the	DT
39142	290	61	sky	sky	NN
39142	290	62	.	.	.
39142	291	1	For	for	IN
39142	291	2	every	every	DT
39142	291	3	new	new	JJ
39142	291	4	irregularity	irregularity	NN
39142	291	5	that	that	WDT
39142	291	6	was	be	VBD
39142	291	7	found	find	VBN
39142	291	8	,	,	,
39142	291	9	in	in	IN
39142	291	10	the	the	DT
39142	291	11	motion	motion	NN
39142	291	12	of	of	IN
39142	291	13	Mars	Mars	NNP
39142	291	14	,	,	,
39142	291	15	for	for	IN
39142	291	16	instance	instance	NN
39142	291	17	,	,	,
39142	291	18	a	a	DT
39142	291	19	new	new	JJ
39142	291	20	and	and	CC
39142	291	21	additional	additional	JJ
39142	291	22	bar	bar	NN
39142	291	23	was	be	VBD
39142	291	24	requisitioned	requisition	VBN
39142	291	25	,	,	,
39142	291	26	until	until	IN
39142	291	27	interplanetary	interplanetary	JJ
39142	291	28	space	space	NN
39142	291	29	was	be	VBD
39142	291	30	hopelessly	hopelessly	RB
39142	291	31	filled	fill	VBN
39142	291	32	with	with	IN
39142	291	33	revolving	revolve	VBG
39142	291	34	bars	bar	NNS
39142	291	35	,	,	,
39142	291	36	each	each	DT
39142	291	37	producing	produce	VBG
39142	291	38	one	one	CD
39142	291	39	of	of	IN
39142	291	40	the	the	DT
39142	291	41	epicycles	epicycle	NNS
39142	291	42	,	,	,
39142	291	43	some	some	DT
39142	291	44	large	large	JJ
39142	291	45	,	,	,
39142	291	46	some	some	DT
39142	291	47	small	small	JJ
39142	291	48	,	,	,
39142	291	49	that	that	WDT
39142	291	50	were	be	VBD
39142	291	51	needed	need	VBN
39142	291	52	to	to	TO
39142	291	53	take	take	VB
39142	291	54	up	up	RP
39142	291	55	the	the	DT
39142	291	56	vagaries	vagary	NNS
39142	291	57	of	of	IN
39142	291	58	the	the	DT
39142	291	59	several	several	JJ
39142	291	60	planets	planet	NNS
39142	291	61	.	.	.
39142	292	1	The	the	DT
39142	292	2	Arabic	arabic	JJ
39142	292	3	astronomers	astronomer	NNS
39142	292	4	who	who	WP
39142	292	5	kept	keep	VBD
39142	292	6	the	the	DT
39142	292	7	science	science	NN
39142	292	8	alive	alive	JJ
39142	292	9	through	through	IN
39142	292	10	the	the	DT
39142	292	11	Middle	Middle	NNP
39142	292	12	Ages	Ages	NNPS
39142	292	13	added	add	VBD
39142	292	14	epicycle	epicycle	NN
39142	292	15	to	to	IN
39142	292	16	epicycle	epicycle	NNP
39142	292	17	,	,	,
39142	292	18	until	until	IN
39142	292	19	there	there	EX
39142	292	20	was	be	VBD
39142	292	21	every	every	DT
39142	292	22	justification	justification	NN
39142	292	23	for	for	IN
39142	292	24	Milton	Milton	NNP
39142	292	25	's	's	POS
39142	292	26	verses	verse	NNS
39142	292	27	descriptive	descriptive	JJ
39142	292	28	of	of	IN
39142	292	29	the	the	DT
39142	292	30	sphere	sphere	NN
39142	292	31	:	:	:
39142	292	32	With	with	IN
39142	292	33	Centric	Centric	NNP
39142	292	34	and	and	CC
39142	292	35	Eccentric	Eccentric	NNP
39142	292	36	scribbled	scribble	VBD
39142	292	37	o'er	o'er	NNP
39142	292	38	,	,	,
39142	292	39	Cycle	Cycle	NNP
39142	292	40	and	and	CC
39142	292	41	Epicycle	Epicycle	NNP
39142	292	42	,	,	,
39142	292	43	Orb	Orb	NNP
39142	292	44	in	in	IN
39142	292	45	Orb	Orb	NNP
39142	292	46	.	.	.
39142	293	1	CHAPTER	CHAPTER	NNP
39142	293	2	VII	vii	NN
39142	293	3	ASTRONOMY	ASTRONOMY	NNP
39142	293	4	OF	of	IN
39142	293	5	THE	the	DT
39142	293	6	MIDDLE	MIDDLE	NNP
39142	293	7	AGES	AGES	NNP
39142	293	8	With	with	IN
39142	293	9	the	the	DT
39142	293	10	fall	fall	NN
39142	293	11	of	of	IN
39142	293	12	Alexandria	Alexandria	NNP
39142	293	13	and	and	CC
39142	293	14	the	the	DT
39142	293	15	victory	victory	NN
39142	293	16	of	of	IN
39142	293	17	Mohammed	Mohammed	NNP
39142	293	18	throughout	throughout	IN
39142	293	19	the	the	DT
39142	293	20	West	West	NNP
39142	293	21	,	,	,
39142	293	22	and	and	CC
39142	293	23	a	a	DT
39142	293	24	consequent	consequent	JJ
39142	293	25	decline	decline	NN
39142	293	26	in	in	IN
39142	293	27	learning	learning	NN
39142	293	28	,	,	,
39142	293	29	supremacy	supremacy	NN
39142	293	30	in	in	IN
39142	293	31	science	science	NN
39142	293	32	passed	pass	VBD
39142	293	33	to	to	IN
39142	293	34	the	the	DT
39142	293	35	East	East	NNP
39142	293	36	and	and	CC
39142	293	37	centered	center	VBN
39142	293	38	round	round	IN
39142	293	39	the	the	DT
39142	293	40	caliphs	caliph	NNS
39142	293	41	of	of	IN
39142	293	42	Bagdad	Bagdad	NNP
39142	293	43	in	in	IN
39142	293	44	the	the	DT
39142	293	45	seventh	seventh	JJ
39142	293	46	and	and	CC
39142	293	47	eighth	eighth	JJ
39142	293	48	centuries	century	NNS
39142	293	49	.	.	.
39142	294	1	They	-PRON-	PRP
39142	294	2	were	be	VBD
39142	294	3	interested	interested	JJ
39142	294	4	in	in	IN
39142	294	5	astronomy	astronomy	NN
39142	294	6	only	only	RB
39142	294	7	as	as	IN
39142	294	8	a	a	DT
39142	294	9	practical	practical	JJ
39142	294	10	,	,	,
39142	294	11	and	and	CC
39142	294	12	to	to	IN
39142	294	13	them	-PRON-	PRP
39142	294	14	useful	useful	JJ
39142	294	15	,	,	,
39142	294	16	science	science	NN
39142	294	17	,	,	,
39142	294	18	in	in	IN
39142	294	19	adjusting	adjust	VBG
39142	294	20	the	the	DT
39142	294	21	complicated	complicated	JJ
39142	294	22	lunar	lunar	JJ
39142	294	23	calendar	calendar	NN
39142	294	24	of	of	IN
39142	294	25	the	the	DT
39142	294	26	Mohammedans	Mohammedans	NNPS
39142	294	27	,	,	,
39142	294	28	in	in	IN
39142	294	29	ascertaining	ascertain	VBG
39142	294	30	the	the	DT
39142	294	31	true	true	JJ
39142	294	32	direction	direction	NN
39142	294	33	of	of	IN
39142	294	34	Mecca	Mecca	NNP
39142	294	35	which	which	WDT
39142	294	36	every	every	DT
39142	294	37	Mohammedan	Mohammedan	NNP
39142	294	38	must	must	MD
39142	294	39	know	know	VB
39142	294	40	,	,	,
39142	294	41	and	and	CC
39142	294	42	in	in	IN
39142	294	43	the	the	DT
39142	294	44	revival	revival	NN
39142	294	45	of	of	IN
39142	294	46	astrology	astrology	NN
39142	294	47	,	,	,
39142	294	48	to	to	TO
39142	294	49	which	which	WDT
39142	294	50	the	the	DT
39142	294	51	Greeks	Greeks	NNPS
39142	294	52	had	have	VBD
39142	294	53	not	not	RB
39142	294	54	attached	attach	VBN
39142	294	55	any	any	DT
39142	294	56	particular	particular	JJ
39142	294	57	significance	significance	NN
39142	294	58	.	.	.
39142	295	1	Harun	Harun	NNP
39142	295	2	al	al	NNP
39142	295	3	-	-	HYPH
39142	295	4	Rashid	Rashid	NNP
39142	295	5	ordered	order	VBD
39142	295	6	the	the	DT
39142	295	7	Almagest	Almagest	NNP
39142	295	8	and	and	CC
39142	295	9	many	many	JJ
39142	295	10	other	other	JJ
39142	295	11	Greek	greek	JJ
39142	295	12	works	work	NNS
39142	295	13	translated	translate	VBD
39142	295	14	,	,	,
39142	295	15	of	of	IN
39142	295	16	which	which	WDT
39142	295	17	the	the	DT
39142	295	18	modern	modern	JJ
39142	295	19	world	world	NN
39142	295	20	would	would	MD
39142	295	21	otherwise	otherwise	RB
39142	295	22	no	no	RB
39142	295	23	doubt	doubt	RB
39142	295	24	never	never	RB
39142	295	25	have	have	VBP
39142	295	26	heard	hear	VBN
39142	295	27	,	,	,
39142	295	28	as	as	IN
39142	295	29	the	the	DT
39142	295	30	Greek	greek	JJ
39142	295	31	originals	original	NNS
39142	295	32	are	be	VBP
39142	295	33	not	not	RB
39142	295	34	extant	extant	JJ
39142	295	35	.	.	.
39142	296	1	Splendid	splendid	JJ
39142	296	2	observatories	observatory	NNS
39142	296	3	were	be	VBD
39142	296	4	built	build	VBN
39142	296	5	at	at	IN
39142	296	6	Damascus	Damascus	NNP
39142	296	7	and	and	CC
39142	296	8	Bagdad	Bagdad	NNP
39142	296	9	,	,	,
39142	296	10	and	and	CC
39142	296	11	fine	fine	JJ
39142	296	12	instruments	instrument	NNS
39142	296	13	patterned	pattern	VBN
39142	296	14	after	after	IN
39142	296	15	Greek	greek	JJ
39142	296	16	models	model	NNS
39142	296	17	were	be	VBD
39142	296	18	continuously	continuously	RB
39142	296	19	used	use	VBN
39142	296	20	in	in	IN
39142	296	21	observing	observe	VBG
39142	296	22	.	.	.
39142	297	1	The	the	DT
39142	297	2	Arab	arab	JJ
39142	297	3	astronomers	astronomer	NNS
39142	297	4	,	,	,
39142	297	5	although	although	IN
39142	297	6	they	-PRON-	PRP
39142	297	7	had	have	VBD
39142	297	8	no	no	DT
39142	297	9	clocks	clock	NNS
39142	297	10	,	,	,
39142	297	11	were	be	VBD
39142	297	12	nevertheless	nevertheless	RB
39142	297	13	so	so	RB
39142	297	14	fully	fully	RB
39142	297	15	impressed	impressed	JJ
39142	297	16	with	with	IN
39142	297	17	the	the	DT
39142	297	18	importance	importance	NN
39142	297	19	of	of	IN
39142	297	20	time	time	NN
39142	297	21	that	that	WDT
39142	297	22	they	-PRON-	PRP
39142	297	23	added	add	VBD
39142	297	24	extreme	extreme	JJ
39142	297	25	value	value	NN
39142	297	26	to	to	IN
39142	297	27	their	-PRON-	PRP$
39142	297	28	observations	observation	NNS
39142	297	29	of	of	IN
39142	297	30	eclipses	eclipse	NNS
39142	297	31	,	,	,
39142	297	32	for	for	IN
39142	297	33	example	example	NN
39142	297	34	,	,	,
39142	297	35	by	by	IN
39142	297	36	setting	set	VBG
39142	297	37	down	down	RP
39142	297	38	the	the	DT
39142	297	39	altitudes	altitude	NNS
39142	297	40	of	of	IN
39142	297	41	sun	sun	NN
39142	297	42	or	or	CC
39142	297	43	stars	star	NNS
39142	297	44	at	at	IN
39142	297	45	the	the	DT
39142	297	46	same	same	JJ
39142	297	47	time	time	NN
39142	297	48	.	.	.
39142	298	1	On	on	IN
39142	298	2	very	very	RB
39142	298	3	important	important	JJ
39142	298	4	occasions	occasion	NNS
39142	298	5	the	the	DT
39142	298	6	records	record	NNS
39142	298	7	were	be	VBD
39142	298	8	certified	certify	VBN
39142	298	9	on	on	IN
39142	298	10	oath	oath	NN
39142	298	11	by	by	IN
39142	298	12	a	a	DT
39142	298	13	body	body	NN
39142	298	14	of	of	IN
39142	298	15	barristers	barrister	NNS
39142	298	16	and	and	CC
39142	298	17	astronomers	astronomer	NNS
39142	298	18	conjointly	conjointly	RB
39142	298	19	--	--	:
39142	298	20	a	a	DT
39142	298	21	precedent	precedent	NN
39142	298	22	which	which	WDT
39142	298	23	fortunately	fortunately	RB
39142	298	24	has	have	VBZ
39142	298	25	never	never	RB
39142	298	26	been	be	VBN
39142	298	27	followed	follow	VBN
39142	298	28	.	.	.
39142	299	1	About	about	IN
39142	299	2	the	the	DT
39142	299	3	middle	middle	NN
39142	299	4	of	of	IN
39142	299	5	the	the	DT
39142	299	6	ninth	ninth	JJ
39142	299	7	century	century	NN
39142	299	8	,	,	,
39142	299	9	the	the	DT
39142	299	10	Caliph	Caliph	NNP
39142	299	11	Al	Al	NNP
39142	299	12	-	-	HYPH
39142	299	13	Mamun	Mamun	NNP
39142	299	14	directed	direct	VBD
39142	299	15	his	-PRON-	PRP$
39142	299	16	astronomers	astronomer	NNS
39142	299	17	to	to	TO
39142	299	18	revise	revise	VB
39142	299	19	the	the	DT
39142	299	20	Greek	greek	JJ
39142	299	21	measures	measure	NNS
39142	299	22	of	of	IN
39142	299	23	the	the	DT
39142	299	24	earth	earth	NN
39142	299	25	's	's	POS
39142	299	26	dimensions	dimension	NNS
39142	299	27	,	,	,
39142	299	28	and	and	CC
39142	299	29	they	-PRON-	PRP
39142	299	30	had	have	VBD
39142	299	31	less	less	JJR
39142	299	32	reverence	reverence	NN
39142	299	33	for	for	IN
39142	299	34	the	the	DT
39142	299	35	Almagest	Almagest	NNP
39142	299	36	than	than	IN
39142	299	37	existed	exist	VBN
39142	299	38	in	in	IN
39142	299	39	later	later	JJ
39142	299	40	centuries	century	NNS
39142	299	41	:	:	:
39142	299	42	indeed	indeed	RB
39142	299	43	,	,	,
39142	299	44	Tabit	Tabit	NNP
39142	299	45	ben	ben	NN
39142	299	46	Korra	Korra	NNP
39142	299	47	invented	invent	VBD
39142	299	48	and	and	CC
39142	299	49	applied	apply	VBD
39142	299	50	to	to	IN
39142	299	51	the	the	DT
39142	299	52	tables	table	NNS
39142	299	53	of	of	IN
39142	299	54	the	the	DT
39142	299	55	Almagest	Almagest	NNP
39142	299	56	a	a	DT
39142	299	57	theoretical	theoretical	JJ
39142	299	58	fluctuation	fluctuation	NN
39142	299	59	in	in	IN
39142	299	60	the	the	DT
39142	299	61	position	position	NN
39142	299	62	of	of	IN
39142	299	63	the	the	DT
39142	299	64	ecliptic	ecliptic	NN
39142	299	65	which	which	WDT
39142	299	66	he	-PRON-	PRP
39142	299	67	called	call	VBD
39142	299	68	"	"	``
39142	299	69	trepidation	trepidation	NN
39142	299	70	,	,	,
39142	299	71	"	"	''
39142	299	72	which	which	WDT
39142	299	73	brought	bring	VBD
39142	299	74	sad	sad	JJ
39142	299	75	confusion	confusion	NN
39142	299	76	into	into	IN
39142	299	77	astronomical	astronomical	JJ
39142	299	78	tables	table	NNS
39142	299	79	for	for	IN
39142	299	80	many	many	JJ
39142	299	81	succeeding	succeed	VBG
39142	299	82	centuries	century	NNS
39142	299	83	.	.	.
39142	300	1	Albategnius	Albategnius	NNP
39142	300	2	was	be	VBD
39142	300	3	another	another	DT
39142	300	4	Arab	arab	JJ
39142	300	5	prince	prince	NN
39142	300	6	whose	whose	WP$
39142	300	7	record	record	NN
39142	300	8	in	in	IN
39142	300	9	astronomy	astronomy	NN
39142	300	10	in	in	IN
39142	300	11	the	the	DT
39142	300	12	ninth	ninth	JJ
39142	300	13	and	and	CC
39142	300	14	tenth	tenth	JJ
39142	300	15	centuries	century	NNS
39142	300	16	was	be	VBD
39142	300	17	perhaps	perhaps	RB
39142	300	18	the	the	DT
39142	300	19	best	good	JJS
39142	300	20	:	:	:
39142	300	21	the	the	DT
39142	300	22	Ptolemaic	Ptolemaic	NNP
39142	300	23	values	value	NNS
39142	300	24	of	of	IN
39142	300	25	the	the	DT
39142	300	26	precession	precession	NN
39142	300	27	of	of	IN
39142	300	28	the	the	DT
39142	300	29	equinoxes	equinox	NNS
39142	300	30	and	and	CC
39142	300	31	of	of	IN
39142	300	32	the	the	DT
39142	300	33	obliquity	obliquity	NN
39142	300	34	of	of	IN
39142	300	35	the	the	DT
39142	300	36	ecliptic	ecliptic	NN
39142	300	37	were	be	VBD
39142	300	38	improved	improve	VBN
39142	300	39	by	by	IN
39142	300	40	new	new	JJ
39142	300	41	observations	observation	NNS
39142	300	42	,	,	,
39142	300	43	and	and	CC
39142	300	44	his	-PRON-	PRP$
39142	300	45	excellence	excellence	NN
39142	300	46	as	as	IN
39142	300	47	mathematician	mathematician	NNP
39142	300	48	enabled	enable	VBD
39142	300	49	him	-PRON-	PRP
39142	300	50	to	to	TO
39142	300	51	make	make	VB
39142	300	52	permanent	permanent	JJ
39142	300	53	improvements	improvement	NNS
39142	300	54	in	in	IN
39142	300	55	the	the	DT
39142	300	56	astronomical	astronomical	JJ
39142	300	57	application	application	NN
39142	300	58	of	of	IN
39142	300	59	trigonometry	trigonometry	NN
39142	300	60	.	.	.
39142	301	1	Abul	Abul	NNP
39142	301	2	Wefa	Wefa	NNP
39142	301	3	was	be	VBD
39142	301	4	the	the	DT
39142	301	5	last	last	JJ
39142	301	6	of	of	IN
39142	301	7	the	the	DT
39142	301	8	Bagdad	Bagdad	NNP
39142	301	9	astronomers	astronomer	NNS
39142	301	10	in	in	IN
39142	301	11	the	the	DT
39142	301	12	latter	latter	JJ
39142	301	13	half	half	NN
39142	301	14	of	of	IN
39142	301	15	the	the	DT
39142	301	16	tenth	tenth	JJ
39142	301	17	century	century	NN
39142	301	18	,	,	,
39142	301	19	and	and	CC
39142	301	20	his	-PRON-	PRP$
39142	301	21	great	great	JJ
39142	301	22	treatise	treatise	NN
39142	301	23	on	on	IN
39142	301	24	astronomy	astronomy	NN
39142	301	25	known	know	VBN
39142	301	26	as	as	IN
39142	301	27	the	the	DT
39142	301	28	Almagest	Almagest	NNP
39142	301	29	is	be	VBZ
39142	301	30	sometimes	sometimes	RB
39142	301	31	confused	confuse	VBN
39142	301	32	with	with	IN
39142	301	33	Ptolemy	Ptolemy	NNP
39142	301	34	's	's	POS
39142	301	35	work	work	NN
39142	301	36	.	.	.
39142	302	1	Following	follow	VBG
39142	302	2	him	-PRON-	PRP
39142	302	3	was	be	VBD
39142	302	4	Ibn	Ibn	NNP
39142	302	5	Yunos	Yunos	NNP
39142	302	6	of	of	IN
39142	302	7	Cairo	Cairo	NNP
39142	302	8	,	,	,
39142	302	9	whose	whose	WP$
39142	302	10	labors	labor	NNS
39142	302	11	culminated	culminate	VBD
39142	302	12	in	in	IN
39142	302	13	the	the	DT
39142	302	14	famous	famous	JJ
39142	302	15	Hakemite	Hakemite	NNP
39142	302	16	Tables	Tables	NNPS
39142	302	17	,	,	,
39142	302	18	which	which	WDT
39142	302	19	became	become	VBD
39142	302	20	the	the	DT
39142	302	21	standard	standard	NN
39142	302	22	in	in	IN
39142	302	23	mathematical	mathematical	JJ
39142	302	24	and	and	CC
39142	302	25	astronomical	astronomical	JJ
39142	302	26	computations	computation	NNS
39142	302	27	for	for	IN
39142	302	28	several	several	JJ
39142	302	29	centuries	century	NNS
39142	302	30	.	.	.
39142	303	1	Mohammedan	Mohammedan	NNP
39142	303	2	astronomy	astronomy	NN
39142	303	3	thrived	thrive	VBD
39142	303	4	,	,	,
39142	303	5	too	too	RB
39142	303	6	,	,	,
39142	303	7	in	in	IN
39142	303	8	Spain	Spain	NNP
39142	303	9	and	and	CC
39142	303	10	northern	northern	JJ
39142	303	11	Africa	Africa	NNP
39142	303	12	.	.	.
39142	304	1	Arzachel	Arzachel	NNP
39142	304	2	of	of	IN
39142	304	3	Toledo	Toledo	NNP
39142	304	4	published	publish	VBD
39142	304	5	the	the	DT
39142	304	6	Toledan	Toledan	NNP
39142	304	7	Tables	Tables	NNPS
39142	304	8	,	,	,
39142	304	9	and	and	CC
39142	304	10	his	-PRON-	PRP$
39142	304	11	pupils	pupil	NNS
39142	304	12	made	make	VBD
39142	304	13	improvements	improvement	NNS
39142	304	14	in	in	IN
39142	304	15	instruments	instrument	NNS
39142	304	16	and	and	CC
39142	304	17	the	the	DT
39142	304	18	methods	method	NNS
39142	304	19	of	of	IN
39142	304	20	calculation	calculation	NN
39142	304	21	.	.	.
39142	305	1	The	the	DT
39142	305	2	Giralda	Giralda	NNP
39142	305	3	was	be	VBD
39142	305	4	built	build	VBN
39142	305	5	by	by	IN
39142	305	6	the	the	DT
39142	305	7	Moors	Moors	NNPS
39142	305	8	in	in	IN
39142	305	9	Seville	Seville	NNP
39142	305	10	in	in	IN
39142	305	11	1196	1196	CD
39142	305	12	,	,	,
39142	305	13	the	the	DT
39142	305	14	first	first	JJ
39142	305	15	astronomical	astronomical	JJ
39142	305	16	observatory	observatory	NN
39142	305	17	on	on	IN
39142	305	18	the	the	DT
39142	305	19	continent	continent	NN
39142	305	20	of	of	IN
39142	305	21	Europe	Europe	NNP
39142	305	22	;	;	:
39142	305	23	but	but	CC
39142	305	24	within	within	IN
39142	305	25	the	the	DT
39142	305	26	next	next	JJ
39142	305	27	half	half	JJ
39142	305	28	century	century	NN
39142	305	29	both	both	DT
39142	305	30	Seville	Seville	NNP
39142	305	31	and	and	CC
39142	305	32	Cordova	Cordova	NNP
39142	305	33	became	become	VBD
39142	305	34	Christian	Christian	NNP
39142	305	35	again	again	RB
39142	305	36	,	,	,
39142	305	37	and	and	CC
39142	305	38	Arab	arab	JJ
39142	305	39	astronomy	astronomy	NN
39142	305	40	was	be	VBD
39142	305	41	at	at	IN
39142	305	42	an	an	DT
39142	305	43	end	end	NN
39142	305	44	.	.	.
39142	306	1	Through	through	IN
39142	306	2	many	many	JJ
39142	306	3	centuries	century	NNS
39142	306	4	,	,	,
39142	306	5	however	however	RB
39142	306	6	,	,	,
39142	306	7	the	the	DT
39142	306	8	science	science	NN
39142	306	9	had	have	VBD
39142	306	10	been	be	VBN
39142	306	11	kept	keep	VBN
39142	306	12	alive	alive	JJ
39142	306	13	,	,	,
39142	306	14	even	even	RB
39142	306	15	if	if	IN
39142	306	16	no	no	DT
39142	306	17	great	great	JJ
39142	306	18	original	original	JJ
39142	306	19	advances	advance	NNS
39142	306	20	had	have	VBD
39142	306	21	been	be	VBN
39142	306	22	achieved	achieve	VBN
39142	306	23	;	;	:
39142	306	24	and	and	CC
39142	306	25	Arab	arab	JJ
39142	306	26	activities	activity	NNS
39142	306	27	have	have	VBP
39142	306	28	modified	modify	VBN
39142	306	29	our	-PRON-	PRP$
39142	306	30	language	language	NN
39142	306	31	very	very	RB
39142	306	32	materially	materially	RB
39142	306	33	,	,	,
39142	306	34	adding	add	VBG
39142	306	35	many	many	JJ
39142	306	36	such	such	JJ
39142	306	37	words	word	NNS
39142	306	38	as	as	IN
39142	306	39	almanac	almanac	NN
39142	306	40	,	,	,
39142	306	41	zenith	zenith	NNP
39142	306	42	,	,	,
39142	306	43	and	and	CC
39142	306	44	radii	radii	NN
39142	306	45	,	,	,
39142	306	46	and	and	CC
39142	306	47	a	a	DT
39142	306	48	wealth	wealth	NN
39142	306	49	of	of	IN
39142	306	50	star	star	NN
39142	306	51	names	name	NNS
39142	306	52	,	,	,
39142	306	53	as	as	IN
39142	306	54	Aldebaran	Aldebaran	NNP
39142	306	55	,	,	,
39142	306	56	Rigel	Rigel	NNP
39142	306	57	,	,	,
39142	306	58	Betelgeuse	Betelgeuse	NNP
39142	306	59	,	,	,
39142	306	60	Vega	Vega	NNP
39142	306	61	,	,	,
39142	306	62	and	and	CC
39142	306	63	so	so	RB
39142	306	64	on	on	RB
39142	306	65	.	.	.
39142	307	1	Meanwhile	meanwhile	RB
39142	307	2	,	,	,
39142	307	3	other	other	JJ
39142	307	4	schools	school	NNS
39142	307	5	of	of	IN
39142	307	6	astronomy	astronomy	NN
39142	307	7	had	have	VBD
39142	307	8	developed	develop	VBN
39142	307	9	in	in	IN
39142	307	10	the	the	DT
39142	307	11	East	East	NNP
39142	307	12	,	,	,
39142	307	13	one	one	CD
39142	307	14	at	at	IN
39142	307	15	Meraga	Meraga	NNP
39142	307	16	near	near	IN
39142	307	17	the	the	DT
39142	307	18	modern	modern	JJ
39142	307	19	Persia	Persia	NNP
39142	307	20	,	,	,
39142	307	21	where	where	WRB
39142	307	22	Nassir	Nassir	NNP
39142	307	23	Eddin	Eddin	NNP
39142	307	24	,	,	,
39142	307	25	the	the	DT
39142	307	26	astronomer	astronomer	NN
39142	307	27	of	of	IN
39142	307	28	Hulagu	Hulagu	NNP
39142	307	29	Khan	Khan	NNP
39142	307	30	,	,	,
39142	307	31	grandson	grandson	NN
39142	307	32	of	of	IN
39142	307	33	the	the	DT
39142	307	34	Mongol	Mongol	NNP
39142	307	35	emperor	emperor	NN
39142	307	36	Genghis	Genghis	NNP
39142	307	37	Khan	Khan	NNP
39142	307	38	,	,	,
39142	307	39	built	build	VBN
39142	307	40	and	and	CC
39142	307	41	used	use	VBN
39142	307	42	large	large	JJ
39142	307	43	and	and	CC
39142	307	44	carefully	carefully	RB
39142	307	45	constructed	construct	VBN
39142	307	46	instruments	instrument	NNS
39142	307	47	,	,	,
39142	307	48	translated	translate	VBD
39142	307	49	all	all	PDT
39142	307	50	the	the	DT
39142	307	51	Greek	greek	JJ
39142	307	52	treatises	treatise	NNS
39142	307	53	on	on	IN
39142	307	54	astronomy	astronomy	NN
39142	307	55	,	,	,
39142	307	56	and	and	CC
39142	307	57	published	publish	VBD
39142	307	58	a	a	DT
39142	307	59	laborious	laborious	JJ
39142	307	60	work	work	NN
39142	307	61	known	know	VBN
39142	307	62	as	as	IN
39142	307	63	the	the	DT
39142	307	64	Ilkhanic	Ilkhanic	NNP
39142	307	65	Tables	Tables	NNPS
39142	307	66	,	,	,
39142	307	67	based	base	VBN
39142	307	68	on	on	IN
39142	307	69	the	the	DT
39142	307	70	Hakemite	Hakemite	NNP
39142	307	71	Tables	Tables	NNPS
39142	307	72	of	of	IN
39142	307	73	Ibn	Ibn	NNP
39142	307	74	Yunos	Yunos	NNP
39142	307	75	.	.	.
39142	308	1	More	more	RBR
39142	308	2	important	important	JJ
39142	308	3	still	still	RB
39142	308	4	was	be	VBD
39142	308	5	the	the	DT
39142	308	6	Tartar	Tartar	NNP
39142	308	7	school	school	NN
39142	308	8	of	of	IN
39142	308	9	astronomy	astronomy	NN
39142	308	10	under	under	IN
39142	308	11	Ulugh	Ulugh	NNP
39142	308	12	Beg	Beg	NNP
39142	308	13	,	,	,
39142	308	14	a	a	DT
39142	308	15	grandson	grandson	NN
39142	308	16	of	of	IN
39142	308	17	Tamerlane	Tamerlane	NNP
39142	308	18	,	,	,
39142	308	19	who	who	WP
39142	308	20	built	build	VBD
39142	308	21	an	an	DT
39142	308	22	observatory	observatory	NN
39142	308	23	at	at	IN
39142	308	24	Samarcand	Samarcand	NNP
39142	308	25	in	in	IN
39142	308	26	1420	1420	CD
39142	308	27	,	,	,
39142	308	28	published	publish	VBD
39142	308	29	new	new	JJ
39142	308	30	tables	table	NNS
39142	308	31	of	of	IN
39142	308	32	the	the	DT
39142	308	33	planets	planet	NNS
39142	308	34	,	,	,
39142	308	35	and	and	CC
39142	308	36	made	make	VBN
39142	308	37	with	with	IN
39142	308	38	his	-PRON-	PRP$
39142	308	39	excellent	excellent	JJ
39142	308	40	instruments	instrument	NNS
39142	308	41	the	the	DT
39142	308	42	observations	observation	NNS
39142	308	43	for	for	IN
39142	308	44	a	a	DT
39142	308	45	new	new	JJ
39142	308	46	catalogue	catalogue	NN
39142	308	47	of	of	IN
39142	308	48	stars	star	NNS
39142	308	49	,	,	,
39142	308	50	the	the	DT
39142	308	51	first	first	JJ
39142	308	52	since	since	IN
39142	308	53	Hipparchus	Hipparchus	NNP
39142	308	54	,	,	,
39142	308	55	the	the	DT
39142	308	56	star	star	NN
39142	308	57	places	place	NNS
39142	308	58	being	be	VBG
39142	308	59	recorded	record	VBN
39142	308	60	with	with	IN
39142	308	61	great	great	JJ
39142	308	62	precision	precision	NN
39142	308	63	.	.	.
39142	309	1	The	the	DT
39142	309	2	European	european	JJ
39142	309	3	astronomy	astronomy	NN
39142	309	4	of	of	IN
39142	309	5	the	the	DT
39142	309	6	Middle	Middle	NNP
39142	309	7	Ages	Ages	NNPS
39142	309	8	amounted	amount	VBD
39142	309	9	to	to	IN
39142	309	10	very	very	RB
39142	309	11	little	little	JJ
39142	309	12	besides	besides	IN
39142	309	13	translation	translation	NN
39142	309	14	from	from	IN
39142	309	15	the	the	DT
39142	309	16	Arabic	arabic	JJ
39142	309	17	authors	author	NNS
39142	309	18	into	into	IN
39142	309	19	Latin	Latin	NNP
39142	309	20	,	,	,
39142	309	21	with	with	IN
39142	309	22	commentaries	commentary	NNS
39142	309	23	.	.	.
39142	310	1	Astronomers	astronomer	NNS
39142	310	2	under	under	IN
39142	310	3	the	the	DT
39142	310	4	patronage	patronage	NN
39142	310	5	of	of	IN
39142	310	6	Alfonso	Alfonso	NNP
39142	310	7	X	X	NNP
39142	310	8	of	of	IN
39142	310	9	Leon	Leon	NNP
39142	310	10	and	and	CC
39142	310	11	Castile	Castile	NNP
39142	310	12	published	publish	VBN
39142	310	13	in	in	IN
39142	310	14	1252	1252	CD
39142	310	15	the	the	DT
39142	310	16	Alfonsine	Alfonsine	NNP
39142	310	17	Tables	Tables	NNPS
39142	310	18	,	,	,
39142	310	19	which	which	WDT
39142	310	20	superseded	supersede	VBD
39142	310	21	the	the	DT
39142	310	22	Toledan	Toledan	NNP
39142	310	23	tables	table	NNS
39142	310	24	and	and	CC
39142	310	25	were	be	VBD
39142	310	26	accepted	accept	VBN
39142	310	27	everywhere	everywhere	RB
39142	310	28	throughout	throughout	IN
39142	310	29	Europe	Europe	NNP
39142	310	30	.	.	.
39142	311	1	Alfonso	Alfonso	NNP
39142	311	2	published	publish	VBD
39142	311	3	also	also	RB
39142	311	4	the	the	DT
39142	311	5	"	"	``
39142	311	6	Libros	Libros	NNP
39142	311	7	del	del	NNP
39142	311	8	Saber	Saber	NNP
39142	311	9	,	,	,
39142	311	10	"	"	''
39142	311	11	perhaps	perhaps	RB
39142	311	12	the	the	DT
39142	311	13	first	first	JJ
39142	311	14	of	of	IN
39142	311	15	all	all	DT
39142	311	16	astronomical	astronomical	JJ
39142	311	17	cyclopedias	cyclopedia	NNS
39142	311	18	,	,	,
39142	311	19	in	in	IN
39142	311	20	which	which	WDT
39142	311	21	is	be	VBZ
39142	311	22	said	say	VBN
39142	311	23	to	to	TO
39142	311	24	occur	occur	VB
39142	311	25	the	the	DT
39142	311	26	earliest	early	JJS
39142	311	27	diagram	diagram	NN
39142	311	28	representing	represent	VBG
39142	311	29	a	a	DT
39142	311	30	planetary	planetary	NN
39142	311	31	orbit	orbit	NN
39142	311	32	as	as	IN
39142	311	33	an	an	DT
39142	311	34	ellipse	ellipse	NN
39142	311	35	:	:	:
39142	311	36	Mercury	Mercury	NNP
39142	311	37	's	's	POS
39142	311	38	supposed	suppose	VBN
39142	311	39	path	path	NN
39142	311	40	round	round	IN
39142	311	41	the	the	DT
39142	311	42	earth	earth	NN
39142	311	43	as	as	IN
39142	311	44	a	a	DT
39142	311	45	center	center	NN
39142	311	46	.	.	.
39142	312	1	Purbach	Purbach	NNP
39142	312	2	of	of	IN
39142	312	3	Vienna	Vienna	NNP
39142	312	4	about	about	IN
39142	312	5	the	the	DT
39142	312	6	middle	middle	NN
39142	312	7	of	of	IN
39142	312	8	the	the	DT
39142	312	9	15th	15th	JJ
39142	312	10	century	century	NN
39142	312	11	began	begin	VBD
39142	312	12	his	-PRON-	PRP$
39142	312	13	"	"	``
39142	312	14	Epitome	Epitome	NNP
39142	312	15	of	of	IN
39142	312	16	Astronomy	Astronomy	NNP
39142	312	17	"	"	''
39142	312	18	based	base	VBN
39142	312	19	on	on	IN
39142	312	20	the	the	DT
39142	312	21	"	"	``
39142	312	22	Almagest	Almagest	NNP
39142	312	23	"	"	''
39142	312	24	of	of	IN
39142	312	25	Ptolemy	Ptolemy	NNP
39142	312	26	,	,	,
39142	312	27	which	which	WDT
39142	312	28	was	be	VBD
39142	312	29	finished	finish	VBN
39142	312	30	by	by	IN
39142	312	31	his	-PRON-	PRP$
39142	312	32	collaborator	collaborator	NN
39142	312	33	Regiomontanus	Regiomontanus	NNP
39142	312	34	,	,	,
39142	312	35	who	who	WP
39142	312	36	was	be	VBD
39142	312	37	an	an	DT
39142	312	38	expert	expert	NN
39142	312	39	in	in	IN
39142	312	40	mathematics	mathematic	NNS
39142	312	41	and	and	CC
39142	312	42	published	publish	VBD
39142	312	43	a	a	DT
39142	312	44	treatise	treatise	NN
39142	312	45	on	on	IN
39142	312	46	trigonometry	trigonometry	NN
39142	312	47	with	with	IN
39142	312	48	the	the	DT
39142	312	49	first	first	JJ
39142	312	50	table	table	NN
39142	312	51	of	of	IN
39142	312	52	sines	sine	NNS
39142	312	53	calculated	calculate	VBN
39142	312	54	for	for	IN
39142	312	55	every	every	DT
39142	312	56	minute	minute	NN
39142	312	57	from	from	IN
39142	312	58	0	0	CD
39142	312	59	°	°	NNS
39142	312	60	to	to	IN
39142	312	61	90	90	CD
39142	312	62	°	°	NNS
39142	312	63	,	,	,
39142	312	64	a	a	DT
39142	312	65	most	most	RBS
39142	312	66	helpful	helpful	JJ
39142	312	67	contribution	contribution	NN
39142	312	68	to	to	IN
39142	312	69	theoretical	theoretical	JJ
39142	312	70	astronomy	astronomy	NN
39142	312	71	.	.	.
39142	313	1	Regiomontanus	Regiomontanus	NNP
39142	313	2	had	have	VBD
39142	313	3	a	a	DT
39142	313	4	very	very	RB
39142	313	5	picturesque	picturesque	NN
39142	313	6	career	career	NN
39142	313	7	,	,	,
39142	313	8	finally	finally	RB
39142	313	9	taking	take	VBG
39142	313	10	up	up	RP
39142	313	11	his	-PRON-	PRP$
39142	313	12	residence	residence	NN
39142	313	13	in	in	IN
39142	313	14	Nuremberg	Nuremberg	NNP
39142	313	15	,	,	,
39142	313	16	where	where	WRB
39142	313	17	a	a	DT
39142	313	18	wealthy	wealthy	JJ
39142	313	19	citizen	citizen	NN
39142	313	20	named	name	VBN
39142	313	21	Walther	Walther	NNP
39142	313	22	became	become	VBD
39142	313	23	his	-PRON-	PRP$
39142	313	24	patron	patron	NN
39142	313	25	,	,	,
39142	313	26	pupil	pupil	NN
39142	313	27	,	,	,
39142	313	28	and	and	CC
39142	313	29	collaborator	collaborator	NN
39142	313	30	.	.	.
39142	314	1	The	the	DT
39142	314	2	artisans	artisan	NNS
39142	314	3	of	of	IN
39142	314	4	the	the	DT
39142	314	5	city	city	NN
39142	314	6	were	be	VBD
39142	314	7	set	set	VBN
39142	314	8	at	at	IN
39142	314	9	work	work	NN
39142	314	10	on	on	IN
39142	314	11	astronomical	astronomical	JJ
39142	314	12	instruments	instrument	NNS
39142	314	13	of	of	IN
39142	314	14	the	the	DT
39142	314	15	greatest	great	JJS
39142	314	16	accuracy	accuracy	NN
39142	314	17	,	,	,
39142	314	18	and	and	CC
39142	314	19	the	the	DT
39142	314	20	comet	comet	NN
39142	314	21	of	of	IN
39142	314	22	1472	1472	CD
39142	314	23	was	be	VBD
39142	314	24	the	the	DT
39142	314	25	first	first	JJ
39142	314	26	to	to	TO
39142	314	27	be	be	VB
39142	314	28	observed	observe	VBN
39142	314	29	and	and	CC
39142	314	30	studied	study	VBN
39142	314	31	in	in	IN
39142	314	32	true	true	JJ
39142	314	33	scientific	scientific	JJ
39142	314	34	fashion	fashion	NN
39142	314	35	.	.	.
39142	315	1	Regiomontanus	Regiomontanus	NNP
39142	315	2	was	be	VBD
39142	315	3	very	very	RB
39142	315	4	progressive	progressive	JJ
39142	315	5	and	and	CC
39142	315	6	the	the	DT
39142	315	7	invention	invention	NN
39142	315	8	of	of	IN
39142	315	9	the	the	DT
39142	315	10	new	new	JJ
39142	315	11	art	art	NN
39142	315	12	of	of	IN
39142	315	13	printing	printing	NN
39142	315	14	gave	give	VBD
39142	315	15	him	-PRON-	PRP
39142	315	16	an	an	DT
39142	315	17	opportunity	opportunity	NN
39142	315	18	to	to	TO
39142	315	19	publish	publish	VB
39142	315	20	Purbach	Purbach	NNP
39142	315	21	's	's	POS
39142	315	22	treatise	treatise	NN
39142	315	23	,	,	,
39142	315	24	which	which	WDT
39142	315	25	went	go	VBD
39142	315	26	through	through	IN
39142	315	27	several	several	JJ
39142	315	28	editions	edition	NNS
39142	315	29	and	and	CC
39142	315	30	doubtless	doubtless	RB
39142	315	31	had	have	VBD
39142	315	32	much	much	JJ
39142	315	33	to	to	TO
39142	315	34	do	do	VB
39142	315	35	in	in	IN
39142	315	36	promoting	promote	VBG
39142	315	37	dissatisfaction	dissatisfaction	NN
39142	315	38	with	with	IN
39142	315	39	the	the	DT
39142	315	40	ancient	ancient	JJ
39142	315	41	Ptolemaic	Ptolemaic	NNP
39142	315	42	system	system	NN
39142	315	43	,	,	,
39142	315	44	and	and	CC
39142	315	45	was	be	VBD
39142	315	46	thus	thus	RB
39142	315	47	most	most	RBS
39142	315	48	significant	significant	JJ
39142	315	49	in	in	IN
39142	315	50	preparing	prepare	VBG
39142	315	51	a	a	DT
39142	315	52	background	background	NN
39142	315	53	for	for	IN
39142	315	54	the	the	DT
39142	315	55	coming	coming	NN
39142	315	56	of	of	IN
39142	315	57	the	the	DT
39142	315	58	new	new	JJ
39142	315	59	Copernican	copernican	JJ
39142	315	60	order	order	NN
39142	315	61	.	.	.
39142	316	1	The	the	DT
39142	316	2	Nuremberg	Nuremberg	NNP
39142	316	3	presses	press	NNS
39142	316	4	popularized	popularize	VBD
39142	316	5	astronomy	astronomy	NN
39142	316	6	in	in	IN
39142	316	7	other	other	JJ
39142	316	8	important	important	JJ
39142	316	9	ways	way	NNS
39142	316	10	,	,	,
39142	316	11	issuing	issue	VBG
39142	316	12	almanacs	almanacs	NNP
39142	316	13	,	,	,
39142	316	14	the	the	DT
39142	316	15	first	first	JJ
39142	316	16	precursors	precursor	NNS
39142	316	17	of	of	IN
39142	316	18	our	-PRON-	PRP$
39142	316	19	astronomical	astronomical	JJ
39142	316	20	Ephemerides	ephemeris	NNS
39142	316	21	.	.	.
39142	317	1	Regiomontanus	Regiomontanus	NNP
39142	317	2	was	be	VBD
39142	317	3	practical	practical	JJ
39142	317	4	as	as	IN
39142	317	5	well	well	RB
39142	317	6	,	,	,
39142	317	7	and	and	CC
39142	317	8	invented	invent	VBD
39142	317	9	a	a	DT
39142	317	10	new	new	JJ
39142	317	11	method	method	NN
39142	317	12	of	of	IN
39142	317	13	getting	get	VBG
39142	317	14	a	a	DT
39142	317	15	ship	ship	NN
39142	317	16	's	's	POS
39142	317	17	position	position	NN
39142	317	18	at	at	IN
39142	317	19	sea	sea	NN
39142	317	20	,	,	,
39142	317	21	with	with	IN
39142	317	22	tables	table	NNS
39142	317	23	so	so	RB
39142	317	24	accurate	accurate	JJ
39142	317	25	that	that	IN
39142	317	26	they	-PRON-	PRP
39142	317	27	superseded	supersede	VBD
39142	317	28	all	all	DT
39142	317	29	others	other	NNS
39142	317	30	in	in	IN
39142	317	31	the	the	DT
39142	317	32	great	great	JJ
39142	317	33	voyages	voyage	NNS
39142	317	34	of	of	IN
39142	317	35	discovery	discovery	NN
39142	317	36	,	,	,
39142	317	37	and	and	CC
39142	317	38	it	-PRON-	PRP
39142	317	39	is	be	VBZ
39142	317	40	probable	probable	JJ
39142	317	41	that	that	IN
39142	317	42	they	-PRON-	PRP
39142	317	43	were	be	VBD
39142	317	44	employed	employ	VBN
39142	317	45	by	by	IN
39142	317	46	Columbus	Columbus	NNP
39142	317	47	in	in	IN
39142	317	48	his	-PRON-	PRP$
39142	317	49	discovery	discovery	NN
39142	317	50	of	of	IN
39142	317	51	the	the	DT
39142	317	52	American	american	JJ
39142	317	53	continent	continent	NN
39142	317	54	.	.	.
39142	318	1	Regiomontanus	Regiomontanus	NNP
39142	318	2	had	have	VBD
39142	318	3	died	die	VBN
39142	318	4	several	several	JJ
39142	318	5	years	year	NNS
39142	318	6	earlier	early	RBR
39142	318	7	,	,	,
39142	318	8	in	in	IN
39142	318	9	1475	1475	CD
39142	318	10	at	at	IN
39142	318	11	Rome	Rome	NNP
39142	318	12	,	,	,
39142	318	13	where	where	WRB
39142	318	14	he	-PRON-	PRP
39142	318	15	had	have	VBD
39142	318	16	gone	go	VBN
39142	318	17	by	by	IN
39142	318	18	invitation	invitation	NN
39142	318	19	of	of	IN
39142	318	20	the	the	DT
39142	318	21	Pope	Pope	NNP
39142	318	22	to	to	TO
39142	318	23	effect	effect	VB
39142	318	24	a	a	DT
39142	318	25	reformation	reformation	NN
39142	318	26	in	in	IN
39142	318	27	the	the	DT
39142	318	28	calendar	calendar	NN
39142	318	29	.	.	.
39142	319	1	He	-PRON-	PRP
39142	319	2	was	be	VBD
39142	319	3	only	only	RB
39142	319	4	forty	forty	CD
39142	319	5	,	,	,
39142	319	6	and	and	CC
39142	319	7	his	-PRON-	PRP$
39142	319	8	patron	patron	NN
39142	319	9	Walther	Walther	NNP
39142	319	10	kept	keep	VBD
39142	319	11	on	on	RP
39142	319	12	with	with	IN
39142	319	13	excellent	excellent	JJ
39142	319	14	observations	observation	NNS
39142	319	15	,	,	,
39142	319	16	the	the	DT
39142	319	17	first	first	JJ
39142	319	18	probably	probably	RB
39142	319	19	to	to	TO
39142	319	20	be	be	VB
39142	319	21	corrected	correct	VBN
39142	319	22	for	for	IN
39142	319	23	the	the	DT
39142	319	24	effect	effect	NN
39142	319	25	of	of	IN
39142	319	26	atmospheric	atmospheric	JJ
39142	319	27	refraction	refraction	NN
39142	319	28	,	,	,
39142	319	29	although	although	IN
39142	319	30	its	-PRON-	PRP$
39142	319	31	influence	influence	NN
39142	319	32	had	have	VBD
39142	319	33	been	be	VBN
39142	319	34	known	know	VBN
39142	319	35	since	since	IN
39142	319	36	Ptolemy	Ptolemy	NNP
39142	319	37	.	.	.
39142	320	1	The	the	DT
39142	320	2	Nuremberg	Nuremberg	NNP
39142	320	3	School	School	NNP
39142	320	4	lasted	last	VBD
39142	320	5	for	for	IN
39142	320	6	nearly	nearly	RB
39142	320	7	two	two	CD
39142	320	8	centuries	century	NNS
39142	320	9	.	.	.
39142	321	1	Nearly	nearly	RB
39142	321	2	contemporary	contemporary	JJ
39142	321	3	with	with	IN
39142	321	4	Regiomontanus	Regiomontanus	NNP
39142	321	5	were	be	VBD
39142	321	6	Fracastoro	Fracastoro	NNP
39142	321	7	and	and	CC
39142	321	8	Peter	Peter	NNP
39142	321	9	Apian	Apian	NNP
39142	321	10	,	,	,
39142	321	11	whose	whose	WP$
39142	321	12	original	original	JJ
39142	321	13	observations	observation	NNS
39142	321	14	on	on	IN
39142	321	15	comets	comet	NNS
39142	321	16	are	be	VBP
39142	321	17	worthy	worthy	JJ
39142	321	18	of	of	IN
39142	321	19	mention	mention	NN
39142	321	20	because	because	IN
39142	321	21	they	-PRON-	PRP
39142	321	22	first	first	RB
39142	321	23	noticed	notice	VBD
39142	321	24	that	that	IN
39142	321	25	the	the	DT
39142	321	26	tails	tail	NNS
39142	321	27	of	of	IN
39142	321	28	these	these	DT
39142	321	29	bodies	body	NNS
39142	321	30	always	always	RB
39142	321	31	point	point	VBP
39142	321	32	away	away	RB
39142	321	33	from	from	IN
39142	321	34	the	the	DT
39142	321	35	sun	sun	NN
39142	321	36	.	.	.
39142	322	1	Leonardo	Leonardo	NNP
39142	322	2	da	da	NNP
39142	322	3	Vinci	Vinci	NNP
39142	322	4	was	be	VBD
39142	322	5	the	the	DT
39142	322	6	first	first	JJ
39142	322	7	to	to	TO
39142	322	8	give	give	VB
39142	322	9	the	the	DT
39142	322	10	true	true	JJ
39142	322	11	explanation	explanation	NN
39142	322	12	of	of	IN
39142	322	13	earth	earth	NN
39142	322	14	-	-	HYPH
39142	322	15	shine	shine	NN
39142	322	16	on	on	IN
39142	322	17	the	the	DT
39142	322	18	moon	moon	NN
39142	322	19	,	,	,
39142	322	20	and	and	CC
39142	322	21	similarly	similarly	RB
39142	322	22	the	the	DT
39142	322	23	moon	moon	NN
39142	322	24	-	-	HYPH
39142	322	25	illumination	illumination	NN
39142	322	26	of	of	IN
39142	322	27	the	the	DT
39142	322	28	earth	earth	NN
39142	322	29	;	;	:
39142	322	30	and	and	CC
39142	322	31	this	this	DT
39142	322	32	no	no	RB
39142	322	33	doubt	doubt	RB
39142	322	34	had	have	VBD
39142	322	35	great	great	JJ
39142	322	36	weight	weight	NN
39142	322	37	in	in	IN
39142	322	38	disposing	dispose	VBG
39142	322	39	of	of	IN
39142	322	40	the	the	DT
39142	322	41	popular	popular	JJ
39142	322	42	notion	notion	NN
39142	322	43	of	of	IN
39142	322	44	an	an	DT
39142	322	45	essential	essential	JJ
39142	322	46	difference	difference	NN
39142	322	47	of	of	IN
39142	322	48	nature	nature	NN
39142	322	49	between	between	IN
39142	322	50	the	the	DT
39142	322	51	earth	earth	NN
39142	322	52	and	and	CC
39142	322	53	celestial	celestial	JJ
39142	322	54	bodies	body	NNS
39142	322	55	--	--	:
39142	322	56	all	all	DT
39142	322	57	of	of	IN
39142	322	58	which	which	WDT
39142	322	59	helped	help	VBD
39142	322	60	to	to	TO
39142	322	61	prepare	prepare	VB
39142	322	62	the	the	DT
39142	322	63	way	way	NN
39142	322	64	for	for	IN
39142	322	65	Copernicus	Copernicus	NNP
39142	322	66	and	and	CC
39142	322	67	the	the	DT
39142	322	68	great	great	JJ
39142	322	69	revolution	revolution	NN
39142	322	70	in	in	IN
39142	322	71	astronomical	astronomical	JJ
39142	322	72	thought	thought	NN
39142	322	73	.	.	.
39142	323	1	CHAPTER	chapter	NN
39142	323	2	VIII	viii	NN
39142	323	3	COPERNICUS	COPERNICUS	NNP
39142	323	4	AND	and	CC
39142	323	5	THE	the	DT
39142	323	6	NEW	new	JJ
39142	323	7	ERA	era	NN
39142	323	8	Throughout	throughout	IN
39142	323	9	the	the	DT
39142	323	10	Middle	Middle	NNP
39142	323	11	Ages	Ages	NNP
39142	323	12	the	the	DT
39142	323	13	progress	progress	NN
39142	323	14	of	of	IN
39142	323	15	astronomy	astronomy	NN
39142	323	16	was	be	VBD
39142	323	17	held	hold	VBN
39142	323	18	back	back	RP
39142	323	19	by	by	IN
39142	323	20	a	a	DT
39142	323	21	combination	combination	NN
39142	323	22	of	of	IN
39142	323	23	untoward	untoward	JJ
39142	323	24	circumstances	circumstance	NNS
39142	323	25	.	.	.
39142	324	1	A	a	DT
39142	324	2	prolonged	prolonged	JJ
39142	324	3	reaction	reaction	NN
39142	324	4	from	from	IN
39142	324	5	the	the	DT
39142	324	6	heights	height	NNS
39142	324	7	attained	attain	VBN
39142	324	8	by	by	IN
39142	324	9	the	the	DT
39142	324	10	Greek	greek	JJ
39142	324	11	philosophers	philosopher	NNS
39142	324	12	was	be	VBD
39142	324	13	to	to	TO
39142	324	14	be	be	VB
39142	324	15	expected	expect	VBN
39142	324	16	.	.	.
39142	325	1	The	the	DT
39142	325	2	uprising	uprising	NN
39142	325	3	of	of	IN
39142	325	4	the	the	DT
39142	325	5	Mohammedan	Mohammedan	NNP
39142	325	6	world	world	NN
39142	325	7	,	,	,
39142	325	8	and	and	CC
39142	325	9	the	the	DT
39142	325	10	savage	savage	NN
39142	325	11	conquerors	conqueror	NNS
39142	325	12	in	in	IN
39142	325	13	the	the	DT
39142	325	14	East	East	NNP
39142	325	15	did	do	VBD
39142	325	16	not	not	RB
39142	325	17	produce	produce	VB
39142	325	18	conditions	condition	NNS
39142	325	19	favorable	favorable	JJ
39142	325	20	to	to	IN
39142	325	21	the	the	DT
39142	325	22	origin	origin	NN
39142	325	23	and	and	CC
39142	325	24	development	development	NN
39142	325	25	of	of	IN
39142	325	26	great	great	JJ
39142	325	27	ideas	idea	NNS
39142	325	28	.	.	.
39142	326	1	At	at	IN
39142	326	2	the	the	DT
39142	326	3	birth	birth	NN
39142	326	4	of	of	IN
39142	326	5	Copernicus	Copernicus	NNP
39142	326	6	,	,	,
39142	326	7	however	however	RB
39142	326	8	,	,	,
39142	326	9	in	in	IN
39142	326	10	1473	1473	CD
39142	326	11	,	,	,
39142	326	12	the	the	DT
39142	326	13	time	time	NN
39142	326	14	was	be	VBD
39142	326	15	ripening	ripen	VBG
39142	326	16	for	for	IN
39142	326	17	fundamental	fundamental	JJ
39142	326	18	changes	change	NNS
39142	326	19	from	from	IN
39142	326	20	the	the	DT
39142	326	21	ancient	ancient	JJ
39142	326	22	system	system	NN
39142	326	23	,	,	,
39142	326	24	the	the	DT
39142	326	25	error	error	NN
39142	326	26	of	of	IN
39142	326	27	which	which	WDT
39142	326	28	had	have	VBD
39142	326	29	helped	help	VBN
39142	326	30	to	to	TO
39142	326	31	hold	hold	VB
39142	326	32	back	back	RP
39142	326	33	the	the	DT
39142	326	34	development	development	NN
39142	326	35	of	of	IN
39142	326	36	the	the	DT
39142	326	37	science	science	NN
39142	326	38	for	for	IN
39142	326	39	centuries	century	NNS
39142	326	40	.	.	.
39142	327	1	The	the	DT
39142	327	2	fifteenth	fifteenth	JJ
39142	327	3	century	century	NN
39142	327	4	was	be	VBD
39142	327	5	most	most	RBS
39142	327	6	fruitful	fruitful	JJ
39142	327	7	in	in	IN
39142	327	8	a	a	DT
39142	327	9	general	general	JJ
39142	327	10	quickening	quickening	NN
39142	327	11	of	of	IN
39142	327	12	intelligence	intelligence	NN
39142	327	13	,	,	,
39142	327	14	the	the	DT
39142	327	15	invention	invention	NN
39142	327	16	of	of	IN
39142	327	17	printing	printing	NN
39142	327	18	had	have	VBD
39142	327	19	much	much	JJ
39142	327	20	to	to	TO
39142	327	21	do	do	VB
39142	327	22	with	with	IN
39142	327	23	this	this	DT
39142	327	24	,	,	,
39142	327	25	as	as	IN
39142	327	26	it	-PRON-	PRP
39142	327	27	spread	spread	VBD
39142	327	28	a	a	DT
39142	327	29	knowledge	knowledge	NN
39142	327	30	of	of	IN
39142	327	31	the	the	DT
39142	327	32	Greek	greek	JJ
39142	327	33	writers	writer	NNS
39142	327	34	,	,	,
39142	327	35	and	and	CC
39142	327	36	led	lead	VBD
39142	327	37	to	to	IN
39142	327	38	conflict	conflict	NN
39142	327	39	of	of	IN
39142	327	40	authorities	authority	NNS
39142	327	41	.	.	.
39142	328	1	Even	even	RB
39142	328	2	Aristotle	Aristotle	NNP
39142	328	3	and	and	CC
39142	328	4	Ptolemy	Ptolemy	NNP
39142	328	5	were	be	VBD
39142	328	6	not	not	RB
39142	328	7	entirely	entirely	RB
39142	328	8	in	in	IN
39142	328	9	harmony	harmony	NN
39142	328	10	,	,	,
39142	328	11	yet	yet	CC
39142	328	12	each	each	DT
39142	328	13	was	be	VBD
39142	328	14	held	hold	VBN
39142	328	15	inviolate	inviolate	JJ
39142	328	16	.	.	.
39142	329	1	It	-PRON-	PRP
39142	329	2	was	be	VBD
39142	329	3	the	the	DT
39142	329	4	age	age	NN
39142	329	5	of	of	IN
39142	329	6	the	the	DT
39142	329	7	Reformation	Reformation	NNP
39142	329	8	,	,	,
39142	329	9	too	too	RB
39142	329	10	,	,	,
39142	329	11	and	and	CC
39142	329	12	near	near	IN
39142	329	13	the	the	DT
39142	329	14	end	end	NN
39142	329	15	of	of	IN
39142	329	16	the	the	DT
39142	329	17	century	century	NN
39142	329	18	the	the	DT
39142	329	19	discovery	discovery	NN
39142	329	20	of	of	IN
39142	329	21	America	America	NNP
39142	329	22	exerted	exert	VBD
39142	329	23	a	a	DT
39142	329	24	powerful	powerful	JJ
39142	329	25	stimulus	stimulus	NN
39142	329	26	in	in	IN
39142	329	27	the	the	DT
39142	329	28	advance	advance	NN
39142	329	29	of	of	IN
39142	329	30	thought	thought	NN
39142	329	31	.	.	.
39142	330	1	Copernicus	Copernicus	NNP
39142	330	2	searched	search	VBD
39142	330	3	the	the	DT
39142	330	4	works	work	NNS
39142	330	5	of	of	IN
39142	330	6	the	the	DT
39142	330	7	ancient	ancient	JJ
39142	330	8	writers	writer	NNS
39142	330	9	and	and	CC
39142	330	10	philosophers	philosopher	NNS
39142	330	11	,	,	,
39142	330	12	and	and	CC
39142	330	13	embodied	embody	VBD
39142	330	14	in	in	IN
39142	330	15	this	this	DT
39142	330	16	new	new	JJ
39142	330	17	order	order	NN
39142	330	18	such	such	JJ
39142	330	19	of	of	IN
39142	330	20	their	-PRON-	PRP$
39142	330	21	ideas	idea	NNS
39142	330	22	as	as	IN
39142	330	23	commended	commend	VBD
39142	330	24	themselves	-PRON-	PRP
39142	330	25	in	in	IN
39142	330	26	the	the	DT
39142	330	27	elaboration	elaboration	NN
39142	330	28	of	of	IN
39142	330	29	his	-PRON-	PRP$
39142	330	30	own	own	JJ
39142	330	31	system	system	NN
39142	330	32	.	.	.
39142	331	1	Pythagoras	pythagora	NNS
39142	331	2	alone	alone	JJ
39142	331	3	and	and	CC
39142	331	4	his	-PRON-	PRP$
39142	331	5	philosophy	philosophy	NN
39142	331	6	looked	look	VBD
39142	331	7	in	in	IN
39142	331	8	the	the	DT
39142	331	9	true	true	JJ
39142	331	10	direction	direction	NN
39142	331	11	.	.	.
39142	332	1	Many	many	JJ
39142	332	2	believe	believe	VBP
39142	332	3	that	that	IN
39142	332	4	he	-PRON-	PRP
39142	332	5	taught	teach	VBD
39142	332	6	that	that	IN
39142	332	7	the	the	DT
39142	332	8	sun	sun	NN
39142	332	9	,	,	,
39142	332	10	not	not	RB
39142	332	11	the	the	DT
39142	332	12	earth	earth	NN
39142	332	13	,	,	,
39142	332	14	is	be	VBZ
39142	332	15	at	at	IN
39142	332	16	the	the	DT
39142	332	17	center	center	NN
39142	332	18	of	of	IN
39142	332	19	our	-PRON-	PRP$
39142	332	20	solar	solar	JJ
39142	332	21	system	system	NN
39142	332	22	;	;	:
39142	332	23	but	but	CC
39142	332	24	his	-PRON-	PRP$
39142	332	25	views	view	NNS
39142	332	26	were	be	VBD
39142	332	27	mingled	mingle	VBN
39142	332	28	with	with	IN
39142	332	29	the	the	DT
39142	332	30	speculative	speculative	JJ
39142	332	31	philosophy	philosophy	NN
39142	332	32	of	of	IN
39142	332	33	the	the	DT
39142	332	34	Greeks	Greeks	NNPS
39142	332	35	,	,	,
39142	332	36	and	and	CC
39142	332	37	none	none	NN
39142	332	38	of	of	IN
39142	332	39	his	-PRON-	PRP$
39142	332	40	writings	writing	NNS
39142	332	41	,	,	,
39142	332	42	barring	bar	VBG
39142	332	43	a	a	DT
39142	332	44	few	few	JJ
39142	332	45	meager	meager	JJ
39142	332	46	fragments	fragment	NNS
39142	332	47	,	,	,
39142	332	48	have	have	VBP
39142	332	49	come	come	VBN
39142	332	50	down	down	RP
39142	332	51	to	to	IN
39142	332	52	our	-PRON-	PRP$
39142	332	53	modern	modern	JJ
39142	332	54	age	age	NN
39142	332	55	.	.	.
39142	333	1	To	to	IN
39142	333	2	many	many	JJ
39142	333	3	philosophers	philosopher	NNS
39142	333	4	,	,	,
39142	333	5	through	through	IN
39142	333	6	all	all	PDT
39142	333	7	these	these	DT
39142	333	8	long	long	JJ
39142	333	9	centuries	century	NNS
39142	333	10	,	,	,
39142	333	11	the	the	DT
39142	333	12	true	true	JJ
39142	333	13	theory	theory	NN
39142	333	14	of	of	IN
39142	333	15	the	the	DT
39142	333	16	celestial	celestial	JJ
39142	333	17	motions	motion	NNS
39142	333	18	must	must	MD
39142	333	19	have	have	VB
39142	333	20	been	be	VBN
39142	333	21	obvious	obvious	JJ
39142	333	22	,	,	,
39142	333	23	but	but	CC
39142	333	24	their	-PRON-	PRP$
39142	333	25	views	view	NNS
39142	333	26	were	be	VBD
39142	333	27	not	not	RB
39142	333	28	formulated	formulate	VBN
39142	333	29	,	,	,
39142	333	30	nor	nor	CC
39142	333	31	have	have	VBP
39142	333	32	they	-PRON-	PRP
39142	333	33	been	be	VBN
39142	333	34	preserved	preserve	VBN
39142	333	35	in	in	IN
39142	333	36	writing	writing	NN
39142	333	37	.	.	.
39142	334	1	So	so	RB
39142	334	2	the	the	DT
39142	334	3	fact	fact	NN
39142	334	4	remains	remain	VBZ
39142	334	5	that	that	IN
39142	334	6	Copernicus	Copernicus	NNP
39142	334	7	alone	alone	RB
39142	334	8	first	first	RB
39142	334	9	proved	prove	VBD
39142	334	10	the	the	DT
39142	334	11	truth	truth	NN
39142	334	12	of	of	IN
39142	334	13	the	the	DT
39142	334	14	system	system	NN
39142	334	15	which	which	WDT
39142	334	16	is	be	VBZ
39142	334	17	recognized	recognize	VBN
39142	334	18	to	to	IN
39142	334	19	-	-	HYPH
39142	334	20	day	day	NN
39142	334	21	.	.	.
39142	335	1	This	this	DT
39142	335	2	he	-PRON-	PRP
39142	335	3	did	do	VBD
39142	335	4	in	in	IN
39142	335	5	his	-PRON-	PRP$
39142	335	6	great	great	JJ
39142	335	7	treatise	treatise	NN
39142	335	8	entitled	entitle	VBN
39142	335	9	"	"	``
39142	335	10	De	De	NNP
39142	335	11	Revolutionibus	Revolutionibus	NNP
39142	335	12	Orbium	Orbium	NNP
39142	335	13	Coelestium	Coelestium	NNP
39142	335	14	,	,	,
39142	335	15	"	"	''
39142	335	16	the	the	DT
39142	335	17	first	first	JJ
39142	335	18	printed	print	VBN
39142	335	19	copy	copy	NN
39142	335	20	of	of	IN
39142	335	21	which	which	WDT
39142	335	22	was	be	VBD
39142	335	23	dramatically	dramatically	RB
39142	335	24	delivered	deliver	VBN
39142	335	25	to	to	IN
39142	335	26	him	-PRON-	PRP
39142	335	27	on	on	IN
39142	335	28	his	-PRON-	PRP$
39142	335	29	deathbed	deathbed	NN
39142	335	30	,	,	,
39142	335	31	in	in	IN
39142	335	32	May	May	NNP
39142	335	33	,	,	,
39142	335	34	1543	1543	CD
39142	335	35	.	.	.
39142	336	1	The	the	DT
39142	336	2	seventy	seventy	CD
39142	336	3	years	year	NNS
39142	336	4	of	of	IN
39142	336	5	his	-PRON-	PRP$
39142	336	6	life	life	NN
39142	336	7	were	be	VBD
39142	336	8	largely	largely	RB
39142	336	9	devoted	devoted	JJ
39142	336	10	to	to	IN
39142	336	11	the	the	DT
39142	336	12	preparation	preparation	NN
39142	336	13	of	of	IN
39142	336	14	this	this	DT
39142	336	15	work	work	NN
39142	336	16	,	,	,
39142	336	17	which	which	WDT
39142	336	18	necessitated	necessitate	VBD
39142	336	19	many	many	JJ
39142	336	20	observations	observation	NNS
39142	336	21	as	as	RB
39142	336	22	well	well	RB
39142	336	23	as	as	IN
39142	336	24	intricate	intricate	JJ
39142	336	25	calculations	calculation	NNS
39142	336	26	based	base	VBN
39142	336	27	upon	upon	IN
39142	336	28	them	-PRON-	PRP
39142	336	29	.	.	.
39142	337	1	Being	be	VBG
39142	337	2	a	a	DT
39142	337	3	canon	canon	NN
39142	337	4	in	in	IN
39142	337	5	the	the	DT
39142	337	6	church	church	NN
39142	337	7	,	,	,
39142	337	8	he	-PRON-	PRP
39142	337	9	naturally	naturally	RB
39142	337	10	hesitated	hesitate	VBD
39142	337	11	about	about	IN
39142	337	12	publishing	publish	VBG
39142	337	13	his	-PRON-	PRP$
39142	337	14	revolutionary	revolutionary	JJ
39142	337	15	views	view	NNS
39142	337	16	,	,	,
39142	337	17	his	-PRON-	PRP$
39142	337	18	friend	friend	NN
39142	337	19	Rheticus	Rheticus	NNP
39142	337	20	first	first	RB
39142	337	21	doing	do	VBG
39142	337	22	this	this	DT
39142	337	23	for	for	IN
39142	337	24	him	-PRON-	PRP
39142	337	25	in	in	IN
39142	337	26	outline	outline	NN
39142	337	27	in	in	IN
39142	337	28	1540	1540	CD
39142	337	29	.	.	.
39142	338	1	So	so	RB
39142	338	2	simple	simple	JJ
39142	338	3	are	be	VBP
39142	338	4	the	the	DT
39142	338	5	great	great	JJ
39142	338	6	principles	principle	NNS
39142	338	7	that	that	IN
39142	338	8	they	-PRON-	PRP
39142	338	9	may	may	MD
39142	338	10	be	be	VB
39142	338	11	embodied	embody	VBN
39142	338	12	in	in	IN
39142	338	13	very	very	RB
39142	338	14	few	few	JJ
39142	338	15	words	word	NNS
39142	338	16	;	;	:
39142	338	17	what	what	WP
39142	338	18	appears	appear	VBZ
39142	338	19	to	to	IN
39142	338	20	us	-PRON-	PRP
39142	338	21	as	as	IN
39142	338	22	the	the	DT
39142	338	23	daily	daily	JJ
39142	338	24	revolution	revolution	NN
39142	338	25	of	of	IN
39142	338	26	the	the	DT
39142	338	27	heavens	heavens	NNPS
39142	338	28	is	be	VBZ
39142	338	29	not	not	RB
39142	338	30	a	a	DT
39142	338	31	real	real	JJ
39142	338	32	motion	motion	NN
39142	338	33	,	,	,
39142	338	34	but	but	CC
39142	338	35	only	only	RB
39142	338	36	an	an	DT
39142	338	37	apparent	apparent	JJ
39142	338	38	one	one	NN
39142	338	39	;	;	:
39142	338	40	that	that	RB
39142	338	41	is	is	RB
39142	338	42	,	,	,
39142	338	43	the	the	DT
39142	338	44	heavens	heavens	NNPS
39142	338	45	are	be	VBP
39142	338	46	at	at	IN
39142	338	47	rest	rest	NN
39142	338	48	,	,	,
39142	338	49	while	while	IN
39142	338	50	the	the	DT
39142	338	51	earth	earth	NN
39142	338	52	itself	-PRON-	PRP
39142	338	53	is	be	VBZ
39142	338	54	in	in	IN
39142	338	55	motion	motion	NN
39142	338	56	,	,	,
39142	338	57	turning	turn	VBG
39142	338	58	round	round	RP
39142	338	59	an	an	DT
39142	338	60	axis	axis	NN
39142	338	61	which	which	WDT
39142	338	62	passes	pass	VBZ
39142	338	63	through	through	IN
39142	338	64	its	-PRON-	PRP$
39142	338	65	center	center	NN
39142	338	66	.	.	.
39142	339	1	And	and	CC
39142	339	2	the	the	DT
39142	339	3	second	second	JJ
39142	339	4	proposition	proposition	NN
39142	339	5	is	be	VBZ
39142	339	6	that	that	IN
39142	339	7	the	the	DT
39142	339	8	earth	earth	NN
39142	339	9	is	be	VBZ
39142	339	10	simply	simply	RB
39142	339	11	one	one	CD
39142	339	12	of	of	IN
39142	339	13	the	the	DT
39142	339	14	six	six	CD
39142	339	15	known	know	VBN
39142	339	16	planets	planet	NNS
39142	339	17	;	;	:
39142	339	18	and	and	CC
39142	339	19	they	-PRON-	PRP
39142	339	20	all	all	DT
39142	339	21	revolve	revolve	VBP
39142	339	22	round	round	IN
39142	339	23	the	the	DT
39142	339	24	sun	sun	NN
39142	339	25	as	as	IN
39142	339	26	the	the	DT
39142	339	27	true	true	JJ
39142	339	28	center	center	NN
39142	339	29	.	.	.
39142	340	1	The	the	DT
39142	340	2	solar	solar	JJ
39142	340	3	system	system	NN
39142	340	4	,	,	,
39142	340	5	therefore	therefore	RB
39142	340	6	,	,	,
39142	340	7	is	be	VBZ
39142	340	8	"	"	``
39142	340	9	heliocentric	heliocentric	JJ
39142	340	10	,	,	,
39142	340	11	"	"	''
39142	340	12	or	or	CC
39142	340	13	sun	sun	NN
39142	340	14	-	-	HYPH
39142	340	15	centered	center	VBN
39142	340	16	,	,	,
39142	340	17	not	not	RB
39142	340	18	"	"	``
39142	340	19	geocentric	geocentric	JJ
39142	340	20	"	"	''
39142	340	21	or	or	CC
39142	340	22	earth	earth	NN
39142	340	23	-	-	HYPH
39142	340	24	centered	center	VBN
39142	340	25	,	,	,
39142	340	26	as	as	IN
39142	340	27	taught	teach	VBN
39142	340	28	by	by	IN
39142	340	29	the	the	DT
39142	340	30	Ptolemaic	Ptolemaic	NNP
39142	340	31	theory	theory	NN
39142	340	32	.	.	.
39142	341	1	Copernicus	copernicus	NN
39142	341	2	demonstrates	demonstrate	VBZ
39142	341	3	clearly	clearly	RB
39142	341	4	how	how	WRB
39142	341	5	his	-PRON-	PRP$
39142	341	6	system	system	NN
39142	341	7	explains	explain	VBZ
39142	341	8	the	the	DT
39142	341	9	retrograde	retrograde	NN
39142	341	10	motion	motion	NN
39142	341	11	of	of	IN
39142	341	12	the	the	DT
39142	341	13	planets	planet	NNS
39142	341	14	and	and	CC
39142	341	15	their	-PRON-	PRP$
39142	341	16	stationary	stationary	JJ
39142	341	17	points	point	NNS
39142	341	18	,	,	,
39142	341	19	no	no	RB
39142	341	20	matter	matter	RB
39142	341	21	whether	whether	IN
39142	341	22	they	-PRON-	PRP
39142	341	23	are	be	VBP
39142	341	24	within	within	IN
39142	341	25	the	the	DT
39142	341	26	orbit	orbit	NN
39142	341	27	of	of	IN
39142	341	28	the	the	DT
39142	341	29	earth	earth	NN
39142	341	30	,	,	,
39142	341	31	as	as	IN
39142	341	32	Mercury	Mercury	NNP
39142	341	33	and	and	CC
39142	341	34	Venus	Venus	NNP
39142	341	35	,	,	,
39142	341	36	or	or	CC
39142	341	37	outside	outside	RB
39142	341	38	of	of	IN
39142	341	39	it	-PRON-	PRP
39142	341	40	,	,	,
39142	341	41	as	as	IN
39142	341	42	Mars	Mars	NNP
39142	341	43	,	,	,
39142	341	44	Jupiter	Jupiter	NNP
39142	341	45	,	,	,
39142	341	46	and	and	CC
39142	341	47	Saturn	Saturn	NNP
39142	341	48	.	.	.
39142	342	1	His	-PRON-	PRP$
39142	342	2	system	system	NN
39142	342	3	provides	provide	VBZ
39142	342	4	also	also	RB
39142	342	5	the	the	DT
39142	342	6	means	mean	NNS
39142	342	7	of	of	IN
39142	342	8	ascertaining	ascertain	VBG
39142	342	9	with	with	IN
39142	342	10	accuracy	accuracy	NN
39142	342	11	the	the	DT
39142	342	12	proportions	proportion	NNS
39142	342	13	of	of	IN
39142	342	14	the	the	DT
39142	342	15	solar	solar	JJ
39142	342	16	system	system	NN
39142	342	17	,	,	,
39142	342	18	or	or	CC
39142	342	19	the	the	DT
39142	342	20	relative	relative	JJ
39142	342	21	distances	distance	NNS
39142	342	22	of	of	IN
39142	342	23	the	the	DT
39142	342	24	planets	planet	NNS
39142	342	25	from	from	IN
39142	342	26	the	the	DT
39142	342	27	sun	sun	NN
39142	342	28	and	and	CC
39142	342	29	from	from	IN
39142	342	30	each	each	DT
39142	342	31	other	other	JJ
39142	342	32	.	.	.
39142	343	1	In	in	IN
39142	343	2	this	this	DT
39142	343	3	respect	respect	NN
39142	343	4	also	also	RB
39142	343	5	his	-PRON-	PRP$
39142	343	6	system	system	NN
39142	343	7	possessed	possess	VBD
39142	343	8	a	a	DT
39142	343	9	vast	vast	JJ
39142	343	10	advantage	advantage	NN
39142	343	11	over	over	IN
39142	343	12	that	that	DT
39142	343	13	of	of	IN
39142	343	14	Ptolemy	Ptolemy	NNP
39142	343	15	,	,	,
39142	343	16	and	and	CC
39142	343	17	the	the	DT
39142	343	18	planetary	planetary	NN
39142	343	19	distances	distance	NNS
39142	343	20	which	which	WDT
39142	343	21	Copernicus	Copernicus	NNP
39142	343	22	computed	compute	VBD
39142	343	23	are	be	VBP
39142	343	24	very	very	RB
39142	343	25	close	close	JJ
39142	343	26	approximations	approximation	NNS
39142	343	27	to	to	IN
39142	343	28	the	the	DT
39142	343	29	measures	measure	NNS
39142	343	30	of	of	IN
39142	343	31	the	the	DT
39142	343	32	present	present	JJ
39142	343	33	day	day	NN
39142	343	34	.	.	.
39142	344	1	Reinhold	reinhold	NN
39142	344	2	revised	revise	VBD
39142	344	3	the	the	DT
39142	344	4	calculations	calculation	NNS
39142	344	5	of	of	IN
39142	344	6	Copernicus	Copernicus	NNP
39142	344	7	and	and	CC
39142	344	8	prepared	prepare	VBD
39142	344	9	the	the	DT
39142	344	10	"	"	``
39142	344	11	Tabulæ	Tabulæ	NNP
39142	344	12	Prutenicæ	Prutenicæ	NNP
39142	344	13	,	,	,
39142	344	14	"	"	''
39142	344	15	based	base	VBN
39142	344	16	on	on	IN
39142	344	17	the	the	DT
39142	344	18	"	"	``
39142	344	19	De	De	NNP
39142	344	20	Revolutionibus	Revolutionibus	NNP
39142	344	21	,	,	,
39142	344	22	"	"	''
39142	344	23	which	which	WDT
39142	344	24	proved	prove	VBD
39142	344	25	far	far	RB
39142	344	26	superior	superior	JJ
39142	344	27	to	to	IN
39142	344	28	the	the	DT
39142	344	29	Alfonsine	Alfonsine	NNP
39142	344	30	Tables	Tables	NNPS
39142	344	31	,	,	,
39142	344	32	and	and	CC
39142	344	33	were	be	VBD
39142	344	34	only	only	RB
39142	344	35	supplanted	supplant	VBN
39142	344	36	by	by	IN
39142	344	37	the	the	DT
39142	344	38	Rudolphine	Rudolphine	NNP
39142	344	39	Tables	Tables	NNPS
39142	344	40	of	of	IN
39142	344	41	Kepler	Kepler	NNP
39142	344	42	.	.	.
39142	345	1	On	on	IN
39142	345	2	the	the	DT
39142	345	3	whole	whole	NN
39142	345	4	we	-PRON-	PRP
39142	345	5	may	may	MD
39142	345	6	regard	regard	VB
39142	345	7	the	the	DT
39142	345	8	lifework	lifework	NN
39142	345	9	of	of	IN
39142	345	10	Copernicus	Copernicus	NNP
39142	345	11	as	as	RB
39142	345	12	fundamentally	fundamentally	RB
39142	345	13	the	the	DT
39142	345	14	most	most	RBS
39142	345	15	significant	significant	JJ
39142	345	16	in	in	IN
39142	345	17	the	the	DT
39142	345	18	history	history	NN
39142	345	19	and	and	CC
39142	345	20	progress	progress	NN
39142	345	21	of	of	IN
39142	345	22	astronomy	astronomy	NN
39142	345	23	.	.	.
39142	346	1	CHAPTER	CHAPTER	NNP
39142	346	2	IX	IX	NNP
39142	346	3	TYCHO	TYCHO	NNP
39142	346	4	,	,	,
39142	346	5	THE	the	DT
39142	346	6	GREAT	GREAT	NNP
39142	346	7	OBSERVER	OBSERVER	VBZ
39142	346	8	Clear	clear	JJ
39142	346	9	as	as	IN
39142	346	10	Copernicus	Copernicus	NNP
39142	346	11	had	have	VBD
39142	346	12	made	make	VBN
39142	346	13	the	the	DT
39142	346	14	demonstration	demonstration	NN
39142	346	15	of	of	IN
39142	346	16	the	the	DT
39142	346	17	truth	truth	NN
39142	346	18	of	of	IN
39142	346	19	his	-PRON-	PRP$
39142	346	20	new	new	JJ
39142	346	21	system	system	NN
39142	346	22	,	,	,
39142	346	23	it	-PRON-	PRP
39142	346	24	nevertheless	nevertheless	RB
39142	346	25	failed	fail	VBD
39142	346	26	of	of	IN
39142	346	27	immediate	immediate	JJ
39142	346	28	and	and	CC
39142	346	29	universal	universal	JJ
39142	346	30	acceptance	acceptance	NN
39142	346	31	.	.	.
39142	347	1	The	the	DT
39142	347	2	Ptolemaic	Ptolemaic	NNP
39142	347	3	system	system	NN
39142	347	4	was	be	VBD
39142	347	5	too	too	RB
39142	347	6	strongly	strongly	RB
39142	347	7	intrenched	intrenched	JJ
39142	347	8	,	,	,
39142	347	9	and	and	CC
39142	347	10	the	the	DT
39142	347	11	motions	motion	NNS
39142	347	12	of	of	IN
39142	347	13	all	all	PDT
39142	347	14	the	the	DT
39142	347	15	bodies	body	NNS
39142	347	16	in	in	IN
39142	347	17	the	the	DT
39142	347	18	sky	sky	NN
39142	347	19	were	be	VBD
39142	347	20	too	too	RB
39142	347	21	well	well	RB
39142	347	22	represented	represent	VBN
39142	347	23	by	by	IN
39142	347	24	it	-PRON-	PRP
39142	347	25	.	.	.
39142	348	1	Accurate	accurate	JJ
39142	348	2	observations	observation	NNS
39142	348	3	were	be	VBD
39142	348	4	greatly	greatly	RB
39142	348	5	needed	need	VBN
39142	348	6	,	,	,
39142	348	7	and	and	CC
39142	348	8	the	the	DT
39142	348	9	Landgrave	Landgrave	NNP
39142	348	10	William	William	NNP
39142	348	11	IV	IV	NNP
39142	348	12	.	.	.
39142	349	1	of	of	IN
39142	349	2	Hesse	Hesse	NNP
39142	349	3	built	build	VBD
39142	349	4	the	the	DT
39142	349	5	Cassel	Cassel	NNP
39142	349	6	Observatory	Observatory	NNP
39142	349	7	,	,	,
39142	349	8	which	which	WDT
39142	349	9	made	make	VBD
39142	349	10	a	a	DT
39142	349	11	new	new	JJ
39142	349	12	catalogue	catalogue	NN
39142	349	13	of	of	IN
39142	349	14	stars	star	NNS
39142	349	15	,	,	,
39142	349	16	and	and	CC
39142	349	17	introduced	introduce	VBD
39142	349	18	the	the	DT
39142	349	19	use	use	NN
39142	349	20	of	of	IN
39142	349	21	clocks	clock	NNS
39142	349	22	to	to	TO
39142	349	23	carry	carry	VB
39142	349	24	on	on	RP
39142	349	25	the	the	DT
39142	349	26	time	time	NN
39142	349	27	as	as	IN
39142	349	28	measured	measure	VBN
39142	349	29	by	by	IN
39142	349	30	the	the	DT
39142	349	31	uniform	uniform	JJ
39142	349	32	motion	motion	NN
39142	349	33	of	of	IN
39142	349	34	the	the	DT
39142	349	35	celestial	celestial	JJ
39142	349	36	sphere	sphere	NN
39142	349	37	.	.	.
39142	350	1	Three	three	CD
39142	350	2	years	year	NNS
39142	350	3	after	after	IN
39142	350	4	the	the	DT
39142	350	5	death	death	NN
39142	350	6	of	of	IN
39142	350	7	Copernicus	Copernicus	NNP
39142	350	8	,	,	,
39142	350	9	Tycho	Tycho	NNP
39142	350	10	Brahe	Brahe	NNP
39142	350	11	was	be	VBD
39142	350	12	born	bear	VBN
39142	350	13	,	,	,
39142	350	14	and	and	CC
39142	350	15	when	when	WRB
39142	350	16	he	-PRON-	PRP
39142	350	17	was	be	VBD
39142	350	18	30	30	CD
39142	350	19	the	the	DT
39142	350	20	King	King	NNP
39142	350	21	of	of	IN
39142	350	22	Denmark	Denmark	NNP
39142	350	23	built	build	VBD
39142	350	24	for	for	IN
39142	350	25	him	-PRON-	PRP
39142	350	26	the	the	DT
39142	350	27	famous	famous	JJ
39142	350	28	observatory	observatory	NN
39142	350	29	of	of	IN
39142	350	30	Uraniborg	Uraniborg	NNP
39142	350	31	,	,	,
39142	350	32	where	where	WRB
39142	350	33	the	the	DT
39142	350	34	great	great	JJ
39142	350	35	astronomer	astronomer	NN
39142	350	36	passed	pass	VBD
39142	350	37	nearly	nearly	RB
39142	350	38	a	a	DT
39142	350	39	quarter	quarter	NN
39142	350	40	of	of	IN
39142	350	41	a	a	DT
39142	350	42	century	century	NN
39142	350	43	in	in	IN
39142	350	44	critically	critically	RB
39142	350	45	observing	observe	VBG
39142	350	46	the	the	DT
39142	350	47	positions	position	NNS
39142	350	48	of	of	IN
39142	350	49	the	the	DT
39142	350	50	stars	star	NNS
39142	350	51	and	and	CC
39142	350	52	planets	planet	NNS
39142	350	53	.	.	.
39142	351	1	Tycho	Tycho	NNP
39142	351	2	was	be	VBD
39142	351	3	celebrated	celebrate	VBN
39142	351	4	as	as	IN
39142	351	5	a	a	DT
39142	351	6	designer	designer	NN
39142	351	7	and	and	CC
39142	351	8	constructor	constructor	NN
39142	351	9	of	of	IN
39142	351	10	new	new	JJ
39142	351	11	types	type	NNS
39142	351	12	of	of	IN
39142	351	13	astronomical	astronomical	JJ
39142	351	14	instruments	instrument	NNS
39142	351	15	,	,	,
39142	351	16	and	and	CC
39142	351	17	he	-PRON-	PRP
39142	351	18	printed	print	VBD
39142	351	19	a	a	DT
39142	351	20	large	large	JJ
39142	351	21	volume	volume	NN
39142	351	22	of	of	IN
39142	351	23	these	these	DT
39142	351	24	designs	design	NNS
39142	351	25	,	,	,
39142	351	26	which	which	WDT
39142	351	27	form	form	VBP
39142	351	28	the	the	DT
39142	351	29	basis	basis	NN
39142	351	30	of	of	IN
39142	351	31	many	many	JJ
39142	351	32	in	in	IN
39142	351	33	use	use	NN
39142	351	34	at	at	IN
39142	351	35	the	the	DT
39142	351	36	present	present	JJ
39142	351	37	day	day	NN
39142	351	38	.	.	.
39142	352	1	Unfortunately	unfortunately	RB
39142	352	2	for	for	IN
39142	352	3	the	the	DT
39142	352	4	genius	genius	NN
39142	352	5	of	of	IN
39142	352	6	Tycho	Tycho	NNP
39142	352	7	and	and	CC
39142	352	8	the	the	DT
39142	352	9	significance	significance	NN
39142	352	10	of	of	IN
39142	352	11	his	-PRON-	PRP$
39142	352	12	work	work	NN
39142	352	13	,	,	,
39142	352	14	the	the	DT
39142	352	15	invention	invention	NN
39142	352	16	of	of	IN
39142	352	17	the	the	DT
39142	352	18	telescope	telescope	NN
39142	352	19	had	have	VBD
39142	352	20	not	not	RB
39142	352	21	yet	yet	RB
39142	352	22	been	be	VBN
39142	352	23	made	make	VBN
39142	352	24	,	,	,
39142	352	25	so	so	IN
39142	352	26	that	that	IN
39142	352	27	his	-PRON-	PRP$
39142	352	28	observations	observation	NNS
39142	352	29	had	have	VBD
39142	352	30	not	not	RB
39142	352	31	the	the	DT
39142	352	32	modern	modern	JJ
39142	352	33	degree	degree	NN
39142	352	34	of	of	IN
39142	352	35	accuracy	accuracy	NN
39142	352	36	.	.	.
39142	353	1	Nevertheless	nevertheless	RB
39142	353	2	,	,	,
39142	353	3	they	-PRON-	PRP
39142	353	4	were	be	VBD
39142	353	5	destined	destine	VBN
39142	353	6	to	to	TO
39142	353	7	play	play	VB
39142	353	8	a	a	DT
39142	353	9	most	most	RBS
39142	353	10	important	important	JJ
39142	353	11	part	part	NN
39142	353	12	in	in	IN
39142	353	13	the	the	DT
39142	353	14	progress	progress	NN
39142	353	15	of	of	IN
39142	353	16	astronomy	astronomy	NN
39142	353	17	.	.	.
39142	354	1	Tycho	Tycho	NNP
39142	354	2	was	be	VBD
39142	354	3	sadly	sadly	RB
39142	354	4	in	in	IN
39142	354	5	error	error	NN
39142	354	6	in	in	IN
39142	354	7	his	-PRON-	PRP$
39142	354	8	rejection	rejection	NN
39142	354	9	of	of	IN
39142	354	10	the	the	DT
39142	354	11	Copernican	copernican	JJ
39142	354	12	system	system	NN
39142	354	13	,	,	,
39142	354	14	although	although	IN
39142	354	15	his	-PRON-	PRP$
39142	354	16	reasons	reason	NNS
39142	354	17	,	,	,
39142	354	18	in	in	IN
39142	354	19	his	-PRON-	PRP$
39142	354	20	day	day	NN
39142	354	21	,	,	,
39142	354	22	seemed	seem	VBD
39142	354	23	unanswerable	unanswerable	JJ
39142	354	24	.	.	.
39142	355	1	If	if	IN
39142	355	2	the	the	DT
39142	355	3	outer	outer	JJ
39142	355	4	planets	planet	NNS
39142	355	5	were	be	VBD
39142	355	6	displaced	displace	VBN
39142	355	7	among	among	IN
39142	355	8	the	the	DT
39142	355	9	stars	star	NNS
39142	355	10	by	by	IN
39142	355	11	the	the	DT
39142	355	12	annual	annual	JJ
39142	355	13	motion	motion	NN
39142	355	14	of	of	IN
39142	355	15	the	the	DT
39142	355	16	earth	earth	NN
39142	355	17	round	round	IN
39142	355	18	the	the	DT
39142	355	19	sun	sun	NN
39142	355	20	,	,	,
39142	355	21	he	-PRON-	PRP
39142	355	22	argued	argue	VBD
39142	355	23	,	,	,
39142	355	24	then	then	RB
39142	355	25	the	the	DT
39142	355	26	fixed	fix	VBN
39142	355	27	stars	star	NNS
39142	355	28	must	must	MD
39142	355	29	be	be	VB
39142	355	30	similarly	similarly	RB
39142	355	31	displaced	displace	VBN
39142	355	32	--	--	:
39142	355	33	unless	unless	IN
39142	355	34	indeed	indeed	RB
39142	355	35	they	-PRON-	PRP
39142	355	36	be	be	VBP
39142	355	37	at	at	IN
39142	355	38	such	such	JJ
39142	355	39	vast	vast	JJ
39142	355	40	distances	distance	NNS
39142	355	41	that	that	IN
39142	355	42	their	-PRON-	PRP$
39142	355	43	motions	motion	NNS
39142	355	44	would	would	MD
39142	355	45	be	be	VB
39142	355	46	too	too	RB
39142	355	47	slight	slight	JJ
39142	355	48	to	to	TO
39142	355	49	be	be	VB
39142	355	50	visible	visible	JJ
39142	355	51	.	.	.
39142	356	1	Of	of	RB
39142	356	2	course	course	RB
39142	356	3	we	-PRON-	PRP
39142	356	4	know	know	VBP
39142	356	5	now	now	RB
39142	356	6	that	that	IN
39142	356	7	this	this	DT
39142	356	8	is	be	VBZ
39142	356	9	really	really	RB
39142	356	10	true	true	JJ
39142	356	11	,	,	,
39142	356	12	and	and	CC
39142	356	13	that	that	IN
39142	356	14	no	no	DT
39142	356	15	instruments	instrument	NNS
39142	356	16	that	that	IN
39142	356	17	Tycho	Tycho	NNP
39142	356	18	was	be	VBD
39142	356	19	able	able	JJ
39142	356	20	to	to	TO
39142	356	21	build	build	VB
39142	356	22	could	could	MD
39142	356	23	possibly	possibly	RB
39142	356	24	have	have	VB
39142	356	25	detected	detect	VBN
39142	356	26	the	the	DT
39142	356	27	motions	motion	NNS
39142	356	28	,	,	,
39142	356	29	the	the	DT
39142	356	30	effects	effect	NNS
39142	356	31	of	of	IN
39142	356	32	which	which	WDT
39142	356	33	we	-PRON-	PRP
39142	356	34	now	now	RB
39142	356	35	recognize	recognize	VBP
39142	356	36	in	in	IN
39142	356	37	the	the	DT
39142	356	38	case	case	NN
39142	356	39	of	of	IN
39142	356	40	the	the	DT
39142	356	41	nearer	nearer	NN
39142	356	42	fixed	fix	VBN
39142	356	43	stars	star	NNS
39142	356	44	in	in	IN
39142	356	45	their	-PRON-	PRP$
39142	356	46	annual	annual	JJ
39142	356	47	,	,	,
39142	356	48	or	or	CC
39142	356	49	parallactic	parallactic	JJ
39142	356	50	,	,	,
39142	356	51	orbits	orbit	NNS
39142	356	52	.	.	.
39142	357	1	The	the	DT
39142	357	2	remarkably	remarkably	RB
39142	357	3	accurate	accurate	JJ
39142	357	4	instruments	instrument	NNS
39142	357	5	devised	devise	VBN
39142	357	6	by	by	IN
39142	357	7	Tycho	Tycho	NNP
39142	357	8	Brahe	Brahe	NNP
39142	357	9	and	and	CC
39142	357	10	employed	employ	VBN
39142	357	11	by	by	IN
39142	357	12	him	-PRON-	PRP
39142	357	13	in	in	IN
39142	357	14	improving	improve	VBG
39142	357	15	the	the	DT
39142	357	16	observations	observation	NNS
39142	357	17	of	of	IN
39142	357	18	the	the	DT
39142	357	19	positions	position	NNS
39142	357	20	of	of	IN
39142	357	21	the	the	DT
39142	357	22	heavenly	heavenly	JJ
39142	357	23	bodies	body	NNS
39142	357	24	were	be	VBD
39142	357	25	no	no	RB
39142	357	26	doubt	doubt	RB
39142	357	27	built	build	VBN
39142	357	28	after	after	IN
39142	357	29	descriptions	description	NNS
39142	357	30	of	of	IN
39142	357	31	astrolabes	astrolabe	NNS
39142	357	32	such	such	JJ
39142	357	33	as	as	IN
39142	357	34	Hipparchus	Hipparchus	NNP
39142	357	35	used	use	VBD
39142	357	36	,	,	,
39142	357	37	as	as	IN
39142	357	38	described	describe	VBN
39142	357	39	by	by	IN
39142	357	40	Ptolemy	Ptolemy	NNP
39142	357	41	.	.	.
39142	358	1	In	in	IN
39142	358	2	his	-PRON-	PRP$
39142	358	3	"	"	``
39142	358	4	Astronomiæ	Astronomiæ	NNP
39142	358	5	Instauratæ	Instauratæ	NNP
39142	358	6	Mechanica	Mechanica	NNP
39142	358	7	"	"	``
39142	358	8	we	-PRON-	PRP
39142	358	9	find	find	VBP
39142	358	10	illustrations	illustration	NNS
39142	358	11	and	and	CC
39142	358	12	descriptions	description	NNS
39142	358	13	of	of	IN
39142	358	14	many	many	JJ
39142	358	15	of	of	IN
39142	358	16	them	-PRON-	PRP
39142	358	17	.	.	.
39142	359	1	One	one	CD
39142	359	2	is	be	VBZ
39142	359	3	a	a	DT
39142	359	4	polar	polar	JJ
39142	359	5	astrolabe	astrolabe	NN
39142	359	6	,	,	,
39142	359	7	mounted	mount	VBD
39142	359	8	somewhat	somewhat	RB
39142	359	9	as	as	IN
39142	359	10	a	a	DT
39142	359	11	modern	modern	JJ
39142	359	12	equatorial	equatorial	JJ
39142	359	13	telescope	telescope	NN
39142	359	14	is	be	VBZ
39142	359	15	,	,	,
39142	359	16	and	and	CC
39142	359	17	the	the	DT
39142	359	18	meridian	meridian	NNP
39142	359	19	circle	circle	NNP
39142	359	20	is	be	VBZ
39142	359	21	adjustable	adjustable	JJ
39142	359	22	so	so	IN
39142	359	23	that	that	IN
39142	359	24	it	-PRON-	PRP
39142	359	25	can	can	MD
39142	359	26	be	be	VB
39142	359	27	used	use	VBN
39142	359	28	in	in	IN
39142	359	29	any	any	DT
39142	359	30	place	place	NN
39142	359	31	,	,	,
39142	359	32	no	no	RB
39142	359	33	matter	matter	RB
39142	359	34	what	what	WP
39142	359	35	its	-PRON-	PRP$
39142	359	36	latitude	latitude	NN
39142	359	37	might	may	MD
39142	359	38	be	be	VB
39142	359	39	.	.	.
39142	360	1	There	there	EX
39142	360	2	is	be	VBZ
39142	360	3	a	a	DT
39142	360	4	graduated	graduated	JJ
39142	360	5	equatorial	equatorial	JJ
39142	360	6	ring	ring	NN
39142	360	7	at	at	IN
39142	360	8	right	right	JJ
39142	360	9	angles	angle	NNS
39142	360	10	to	to	IN
39142	360	11	the	the	DT
39142	360	12	polar	polar	JJ
39142	360	13	axis	axis	NN
39142	360	14	,	,	,
39142	360	15	so	so	IN
39142	360	16	that	that	IN
39142	360	17	the	the	DT
39142	360	18	astrolabe	astrolabe	NN
39142	360	19	could	could	MD
39142	360	20	be	be	VB
39142	360	21	used	use	VBN
39142	360	22	for	for	IN
39142	360	23	making	make	VBG
39142	360	24	observations	observation	NNS
39142	360	25	outside	outside	IN
39142	360	26	the	the	DT
39142	360	27	meridian	meridian	NN
39142	360	28	as	as	RB
39142	360	29	well	well	RB
39142	360	30	as	as	IN
39142	360	31	on	on	IN
39142	360	32	it	-PRON-	PRP
39142	360	33	.	.	.
39142	361	1	This	this	DT
39142	361	2	equatorial	equatorial	JJ
39142	361	3	circle	circle	NN
39142	361	4	slides	slide	VBZ
39142	361	5	through	through	IN
39142	361	6	grooves	groove	NNS
39142	361	7	,	,	,
39142	361	8	and	and	CC
39142	361	9	is	be	VBZ
39142	361	10	furnished	furnish	VBN
39142	361	11	with	with	IN
39142	361	12	movable	movable	JJ
39142	361	13	sights	sight	NNS
39142	361	14	,	,	,
39142	361	15	and	and	CC
39142	361	16	a	a	DT
39142	361	17	plumb	plumb	JJ
39142	361	18	line	line	NN
39142	361	19	from	from	IN
39142	361	20	the	the	DT
39142	361	21	zenith	zenith	NN
39142	361	22	or	or	CC
39142	361	23	highest	high	JJS
39142	361	24	point	point	NN
39142	361	25	of	of	IN
39142	361	26	the	the	DT
39142	361	27	meridian	meridian	NNP
39142	361	28	circle	circle	NN
39142	361	29	makes	make	VBZ
39142	361	30	it	-PRON-	PRP
39142	361	31	possible	possible	JJ
39142	361	32	to	to	TO
39142	361	33	give	give	VB
39142	361	34	the	the	DT
39142	361	35	necessary	necessary	JJ
39142	361	36	adjustment	adjustment	NN
39142	361	37	in	in	IN
39142	361	38	the	the	DT
39142	361	39	vertical	vertical	NN
39142	361	40	.	.	.
39142	362	1	Screws	screw	NNS
39142	362	2	for	for	IN
39142	362	3	adjustment	adjustment	NN
39142	362	4	at	at	IN
39142	362	5	the	the	DT
39142	362	6	bottom	bottom	NN
39142	362	7	are	be	VBP
39142	362	8	provided	provide	VBN
39142	362	9	,	,	,
39142	362	10	just	just	RB
39142	362	11	as	as	IN
39142	362	12	in	in	IN
39142	362	13	our	-PRON-	PRP$
39142	362	14	modern	modern	JJ
39142	362	15	instruments	instrument	NNS
39142	362	16	,	,	,
39142	362	17	and	and	CC
39142	362	18	two	two	CD
39142	362	19	observers	observer	NNS
39142	362	20	were	be	VBD
39142	362	21	necessary	necessary	JJ
39142	362	22	,	,	,
39142	362	23	taking	take	VBG
39142	362	24	their	-PRON-	PRP$
39142	362	25	sights	sight	NNS
39142	362	26	simultaneously	simultaneously	RB
39142	362	27	;	;	:
39142	362	28	unless	unless	IN
39142	362	29	,	,	,
39142	362	30	as	as	IN
39142	362	31	in	in	IN
39142	362	32	one	one	CD
39142	362	33	type	type	NN
39142	362	34	of	of	IN
39142	362	35	the	the	DT
39142	362	36	instrument	instrument	NN
39142	362	37	,	,	,
39142	362	38	a	a	DT
39142	362	39	clock	clock	NN
39142	362	40	,	,	,
39142	362	41	or	or	CC
39142	362	42	some	some	DT
39142	362	43	sort	sort	NN
39142	362	44	of	of	IN
39142	362	45	measure	measure	NN
39142	362	46	of	of	IN
39142	362	47	time	time	NN
39142	362	48	,	,	,
39142	362	49	was	be	VBD
39142	362	50	employed	employ	VBN
39142	362	51	.	.	.
39142	363	1	Another	another	DT
39142	363	2	early	early	JJ
39142	363	3	type	type	NN
39142	363	4	of	of	IN
39142	363	5	instrument	instrument	NN
39142	363	6	is	be	VBZ
39142	363	7	called	call	VBN
39142	363	8	by	by	IN
39142	363	9	Tycho	Tycho	NNP
39142	363	10	the	the	DT
39142	363	11	ecliptic	ecliptic	JJ
39142	363	12	astrolabe	astrolabe	NN
39142	363	13	(	(	-LRB-
39142	363	14	_	_	NNP
39142	363	15	Armillæ	Armillæ	NNP
39142	363	16	Zodiacales	Zodiacales	NNP
39142	363	17	_	_	NNP
39142	363	18	,	,	,
39142	363	19	or	or	CC
39142	363	20	the	the	DT
39142	363	21	Zodiacal	Zodiacal	NNP
39142	363	22	Rings	Rings	NNPS
39142	363	23	)	)	-RRB-
39142	363	24	.	.	.
39142	364	1	It	-PRON-	PRP
39142	364	2	resembles	resemble	VBZ
39142	364	3	the	the	DT
39142	364	4	equatorial	equatorial	JJ
39142	364	5	astrolabe	astrolabe	NNP
39142	364	6	somewhat	somewhat	RB
39142	364	7	,	,	,
39142	364	8	but	but	CC
39142	364	9	has	have	VBZ
39142	364	10	a	a	DT
39142	364	11	second	second	JJ
39142	364	12	ring	ring	NN
39142	364	13	inclined	incline	VBN
39142	364	14	to	to	IN
39142	364	15	the	the	DT
39142	364	16	equatorial	equatorial	JJ
39142	364	17	one	one	NN
39142	364	18	at	at	IN
39142	364	19	an	an	DT
39142	364	20	angle	angle	NN
39142	364	21	equal	equal	JJ
39142	364	22	to	to	IN
39142	364	23	the	the	DT
39142	364	24	obliquity	obliquity	NN
39142	364	25	of	of	IN
39142	364	26	the	the	DT
39142	364	27	ecliptic	ecliptic	NN
39142	364	28	.	.	.
39142	365	1	In	in	IN
39142	365	2	observing	observing	NN
39142	365	3	,	,	,
39142	365	4	the	the	DT
39142	365	5	equatorial	equatorial	JJ
39142	365	6	ring	ring	NN
39142	365	7	was	be	VBD
39142	365	8	revolved	revolve	VBN
39142	365	9	round	round	RB
39142	365	10	till	till	IN
39142	365	11	the	the	DT
39142	365	12	ecliptic	ecliptic	JJ
39142	365	13	ring	ring	NN
39142	365	14	came	come	VBD
39142	365	15	into	into	IN
39142	365	16	coincidence	coincidence	NN
39142	365	17	with	with	IN
39142	365	18	the	the	DT
39142	365	19	plane	plane	NN
39142	365	20	of	of	IN
39142	365	21	the	the	DT
39142	365	22	ecliptic	ecliptic	NN
39142	365	23	in	in	IN
39142	365	24	the	the	DT
39142	365	25	sky	sky	NN
39142	365	26	.	.	.
39142	366	1	Then	then	RB
39142	366	2	the	the	DT
39142	366	3	observation	observation	NN
39142	366	4	of	of	IN
39142	366	5	a	a	DT
39142	366	6	star	star	NN
39142	366	7	's	's	POS
39142	366	8	longitude	longitude	NN
39142	366	9	and	and	CC
39142	366	10	latitude	latitude	NN
39142	366	11	,	,	,
39142	366	12	as	as	IN
39142	366	13	referred	refer	VBN
39142	366	14	to	to	IN
39142	366	15	the	the	DT
39142	366	16	ecliptic	ecliptic	JJ
39142	366	17	plane	plane	NN
39142	366	18	,	,	,
39142	366	19	could	could	MD
39142	366	20	be	be	VB
39142	366	21	made	make	VBN
39142	366	22	,	,	,
39142	366	23	quite	quite	RB
39142	366	24	as	as	RB
39142	366	25	well	well	RB
39142	366	26	as	as	IN
39142	366	27	that	that	DT
39142	366	28	of	of	IN
39142	366	29	right	right	JJ
39142	366	30	ascension	ascension	NN
39142	366	31	and	and	CC
39142	366	32	declination	declination	NN
39142	366	33	on	on	IN
39142	366	34	the	the	DT
39142	366	35	equatorial	equatorial	JJ
39142	366	36	plane	plane	NN
39142	366	37	.	.	.
39142	367	1	But	but	CC
39142	367	2	it	-PRON-	PRP
39142	367	3	was	be	VBD
39142	367	4	necessary	necessary	JJ
39142	367	5	to	to	TO
39142	367	6	work	work	VB
39142	367	7	quickly	quickly	RB
39142	367	8	,	,	,
39142	367	9	as	as	IN
39142	367	10	the	the	DT
39142	367	11	adjustment	adjustment	NN
39142	367	12	on	on	IN
39142	367	13	the	the	DT
39142	367	14	ecliptic	ecliptic	NN
39142	367	15	would	would	MD
39142	367	16	soon	soon	RB
39142	367	17	disappear	disappear	VB
39142	367	18	and	and	CC
39142	367	19	have	have	VBP
39142	367	20	to	to	TO
39142	367	21	be	be	VB
39142	367	22	renewed	renew	VBN
39142	367	23	.	.	.
39142	368	1	Tycho	Tycho	NNP
39142	368	2	is	be	VBZ
39142	368	3	often	often	RB
39142	368	4	called	call	VBN
39142	368	5	the	the	DT
39142	368	6	father	father	NN
39142	368	7	of	of	IN
39142	368	8	the	the	DT
39142	368	9	science	science	NN
39142	368	10	of	of	IN
39142	368	11	astronomical	astronomical	JJ
39142	368	12	observation	observation	NN
39142	368	13	,	,	,
39142	368	14	because	because	IN
39142	368	15	of	of	IN
39142	368	16	the	the	DT
39142	368	17	improvements	improvement	NNS
39142	368	18	in	in	IN
39142	368	19	design	design	NN
39142	368	20	and	and	CC
39142	368	21	construction	construction	NN
39142	368	22	of	of	IN
39142	368	23	the	the	DT
39142	368	24	instruments	instrument	NNS
39142	368	25	he	-PRON-	PRP
39142	368	26	used	use	VBD
39142	368	27	.	.	.
39142	369	1	His	-PRON-	PRP$
39142	369	2	largest	large	JJS
39142	369	3	instrument	instrument	NN
39142	369	4	was	be	VBD
39142	369	5	a	a	DT
39142	369	6	mural	mural	JJ
39142	369	7	quadrant	quadrant	NN
39142	369	8	,	,	,
39142	369	9	a	a	DT
39142	369	10	quarter	quarter	NN
39142	369	11	-	-	HYPH
39142	369	12	circle	circle	NN
39142	369	13	of	of	IN
39142	369	14	copper	copper	NN
39142	369	15	,	,	,
39142	369	16	turning	turn	VBG
39142	369	17	parallel	parallel	NN
39142	369	18	to	to	IN
39142	369	19	the	the	DT
39142	369	20	north	north	NN
39142	369	21	-	-	HYPH
39142	369	22	and	and	CC
39142	369	23	-	-	HYPH
39142	369	24	south	south	JJ
39142	369	25	face	face	NN
39142	369	26	of	of	IN
39142	369	27	a	a	DT
39142	369	28	wall	wall	NN
39142	369	29	,	,	,
39142	369	30	its	-PRON-	PRP$
39142	369	31	axis	axis	NN
39142	369	32	turning	turn	VBG
39142	369	33	on	on	RP
39142	369	34	a	a	DT
39142	369	35	bearing	bearing	NN
39142	369	36	fixed	fix	VBN
39142	369	37	in	in	IN
39142	369	38	the	the	DT
39142	369	39	wall	wall	NN
39142	369	40	.	.	.
39142	370	1	The	the	DT
39142	370	2	radius	radius	NN
39142	370	3	of	of	IN
39142	370	4	this	this	DT
39142	370	5	quadrant	quadrant	NN
39142	370	6	was	be	VBD
39142	370	7	nine	nine	CD
39142	370	8	feet	foot	NNS
39142	370	9	,	,	,
39142	370	10	and	and	CC
39142	370	11	it	-PRON-	PRP
39142	370	12	was	be	VBD
39142	370	13	graduated	graduate	VBN
39142	370	14	or	or	CC
39142	370	15	divided	divide	VBN
39142	370	16	so	so	IN
39142	370	17	as	as	IN
39142	370	18	to	to	TO
39142	370	19	read	read	VB
39142	370	20	the	the	DT
39142	370	21	very	very	RB
39142	370	22	small	small	JJ
39142	370	23	angle	angle	NN
39142	370	24	of	of	IN
39142	370	25	ten	ten	CD
39142	370	26	seconds	second	NNS
39142	370	27	of	of	IN
39142	370	28	arc	arc	NN
39142	370	29	--	--	:
39142	370	30	an	an	DT
39142	370	31	extraordinary	extraordinary	JJ
39142	370	32	degree	degree	NN
39142	370	33	of	of	IN
39142	370	34	precision	precision	NN
39142	370	35	for	for	IN
39142	370	36	his	-PRON-	PRP$
39142	370	37	day	day	NN
39142	370	38	.	.	.
39142	371	1	Tycho	Tycho	NNP
39142	371	2	built	build	VBN
39142	371	3	also	also	RB
39142	371	4	a	a	DT
39142	371	5	very	very	RB
39142	371	6	large	large	JJ
39142	371	7	alt	alt	NN
39142	371	8	-	-	HYPH
39142	371	9	azimuth	azimuth	NN
39142	371	10	quadrant	quadrant	NN
39142	371	11	,	,	,
39142	371	12	of	of	IN
39142	371	13	six	six	CD
39142	371	14	feet	foot	NNS
39142	371	15	radius	radius	NN
39142	371	16	.	.	.
39142	372	1	Its	-PRON-	PRP$
39142	372	2	operation	operation	NN
39142	372	3	was	be	VBD
39142	372	4	very	very	RB
39142	372	5	much	much	RB
39142	372	6	as	as	IN
39142	372	7	if	if	IN
39142	372	8	his	-PRON-	PRP$
39142	372	9	mural	mural	JJ
39142	372	10	quadrant	quadrant	NN
39142	372	11	could	could	MD
39142	372	12	be	be	VB
39142	372	13	swung	swing	VBN
39142	372	14	round	round	RB
39142	372	15	in	in	IN
39142	372	16	azimuth	azimuth	NN
39142	372	17	.	.	.
39142	373	1	At	at	IN
39142	373	2	several	several	JJ
39142	373	3	of	of	IN
39142	373	4	the	the	DT
39142	373	5	great	great	JJ
39142	373	6	observatories	observatory	NNS
39142	373	7	of	of	IN
39142	373	8	the	the	DT
39142	373	9	present	present	JJ
39142	373	10	day	day	NN
39142	373	11	,	,	,
39142	373	12	as	as	IN
39142	373	13	Greenwich	Greenwich	NNP
39142	373	14	and	and	CC
39142	373	15	Washington	Washington	NNP
39142	373	16	,	,	,
39142	373	17	there	there	EX
39142	373	18	are	be	VBP
39142	373	19	instruments	instrument	NNS
39142	373	20	of	of	IN
39142	373	21	a	a	DT
39142	373	22	similar	similar	JJ
39142	373	23	type	type	NN
39142	373	24	,	,	,
39142	373	25	but	but	CC
39142	373	26	much	much	RB
39142	373	27	more	more	RBR
39142	373	28	accurate	accurate	JJ
39142	373	29	,	,	,
39142	373	30	because	because	IN
39142	373	31	the	the	DT
39142	373	32	mechanical	mechanical	JJ
39142	373	33	work	work	NN
39142	373	34	in	in	IN
39142	373	35	brass	brass	NN
39142	373	36	and	and	CC
39142	373	37	steel	steel	NN
39142	373	38	is	be	VBZ
39142	373	39	executed	execute	VBN
39142	373	40	by	by	IN
39142	373	41	tools	tool	NNS
39142	373	42	that	that	WDT
39142	373	43	are	be	VBP
39142	373	44	essentially	essentially	RB
39142	373	45	perfect	perfect	JJ
39142	373	46	,	,	,
39142	373	47	and	and	CC
39142	373	48	besides	besides	IN
39142	373	49	this	this	DT
39142	373	50	the	the	DT
39142	373	51	power	power	NN
39142	373	52	of	of	IN
39142	373	53	the	the	DT
39142	373	54	telescope	telescope	NN
39142	373	55	is	be	VBZ
39142	373	56	superadded	superadde	VBN
39142	373	57	to	to	TO
39142	373	58	give	give	VB
39142	373	59	absolute	absolute	JJ
39142	373	60	direction	direction	NN
39142	373	61	,	,	,
39142	373	62	or	or	CC
39142	373	63	pointing	point	VBG
39142	373	64	on	on	IN
39142	373	65	the	the	DT
39142	373	66	object	object	NN
39142	373	67	under	under	IN
39142	373	68	observation	observation	NN
39142	373	69	.	.	.
39142	374	1	Excellent	excellent	JJ
39142	374	2	clocks	clock	NNS
39142	374	3	are	be	VBP
39142	374	4	necessary	necessary	JJ
39142	374	5	for	for	IN
39142	374	6	precise	precise	JJ
39142	374	7	observation	observation	NN
39142	374	8	with	with	IN
39142	374	9	such	such	PDT
39142	374	10	an	an	DT
39142	374	11	instrument	instrument	NN
39142	374	12	;	;	:
39142	374	13	but	but	CC
39142	374	14	neither	neither	CC
39142	374	15	Tycho	Tycho	NNP
39142	374	16	Brahe	Brahe	NNP
39142	374	17	,	,	,
39142	374	18	nor	nor	CC
39142	374	19	Hevelius	hevelius	NN
39142	374	20	was	be	VBD
39142	374	21	provided	provide	VBN
39142	374	22	with	with	IN
39142	374	23	such	such	JJ
39142	374	24	accessories	accessory	NNS
39142	374	25	.	.	.
39142	375	1	Hevelius	hevelius	NN
39142	375	2	did	do	VBD
39142	375	3	not	not	RB
39142	375	4	avail	avail	VB
39142	375	5	himself	-PRON-	PRP
39142	375	6	of	of	IN
39142	375	7	the	the	DT
39142	375	8	telescope	telescope	NN
39142	375	9	as	as	IN
39142	375	10	an	an	DT
39142	375	11	aid	aid	NN
39142	375	12	to	to	IN
39142	375	13	precision	precision	NN
39142	375	14	of	of	IN
39142	375	15	observation	observation	NN
39142	375	16	,	,	,
39142	375	17	claiming	claim	VBG
39142	375	18	that	that	IN
39142	375	19	pinhole	pinhole	NN
39142	375	20	sights	sight	NNS
39142	375	21	gave	give	VBD
39142	375	22	him	-PRON-	PRP
39142	375	23	more	more	RBR
39142	375	24	accurate	accurate	JJ
39142	375	25	results	result	NNS
39142	375	26	.	.	.
39142	376	1	It	-PRON-	PRP
39142	376	2	was	be	VBD
39142	376	3	a	a	DT
39142	376	4	dispute	dispute	NN
39142	376	5	concerning	concern	VBG
39142	376	6	this	this	DT
39142	376	7	question	question	NN
39142	376	8	that	that	IN
39142	376	9	Halley	Halley	NNP
39142	376	10	was	be	VBD
39142	376	11	sent	send	VBN
39142	376	12	over	over	RP
39142	376	13	from	from	IN
39142	376	14	London	London	NNP
39142	376	15	to	to	IN
39142	376	16	Danzig	Danzig	NNP
39142	376	17	to	to	TO
39142	376	18	arbitrate	arbitrate	VB
39142	376	19	.	.	.
39142	377	1	There	there	EX
39142	377	2	could	could	MD
39142	377	3	be	be	VB
39142	377	4	but	but	CC
39142	377	5	one	one	CD
39142	377	6	way	way	NN
39142	377	7	to	to	TO
39142	377	8	decide	decide	VB
39142	377	9	;	;	:
39142	377	10	the	the	DT
39142	377	11	telescope	telescope	NN
39142	377	12	with	with	IN
39142	377	13	its	-PRON-	PRP$
39142	377	14	added	add	VBN
39142	377	15	power	power	NN
39142	377	16	magnifies	magnifie	NNS
39142	377	17	any	any	DT
39142	377	18	displacement	displacement	NN
39142	377	19	of	of	IN
39142	377	20	the	the	DT
39142	377	21	instrument	instrument	NN
39142	377	22	,	,	,
39142	377	23	and	and	CC
39142	377	24	thereby	thereby	RB
39142	377	25	enables	enable	VBZ
39142	377	26	the	the	DT
39142	377	27	observer	observer	NN
39142	377	28	to	to	TO
39142	377	29	point	point	VB
39142	377	30	his	-PRON-	PRP$
39142	377	31	instrument	instrument	NN
39142	377	32	more	more	RBR
39142	377	33	exactly	exactly	RB
39142	377	34	.	.	.
39142	378	1	So	so	RB
39142	378	2	he	-PRON-	PRP
39142	378	3	can	can	MD
39142	378	4	detect	detect	VB
39142	378	5	smaller	small	JJR
39142	378	6	errors	error	NNS
39142	378	7	and	and	CC
39142	378	8	differences	difference	NNS
39142	378	9	of	of	IN
39142	378	10	direction	direction	NN
39142	378	11	than	than	IN
39142	378	12	he	-PRON-	PRP
39142	378	13	can	can	MD
39142	378	14	without	without	IN
39142	378	15	it	-PRON-	PRP
39142	378	16	.	.	.
39142	379	1	And	and	CC
39142	379	2	what	what	WP
39142	379	3	is	be	VBZ
39142	379	4	of	of	IN
39142	379	5	great	great	JJ
39142	379	6	importance	importance	NN
39142	379	7	in	in	IN
39142	379	8	more	more	JJR
39142	379	9	modern	modern	JJ
39142	379	10	astronomy	astronomy	NN
39142	379	11	,	,	,
39142	379	12	the	the	DT
39142	379	13	telescope	telescope	NN
39142	379	14	makes	make	VBZ
39142	379	15	it	-PRON-	PRP
39142	379	16	possible	possible	JJ
39142	379	17	to	to	TO
39142	379	18	observe	observe	VB
39142	379	19	accurately	accurately	RB
39142	379	20	the	the	DT
39142	379	21	position	position	NN
39142	379	22	of	of	IN
39142	379	23	objects	object	NNS
39142	379	24	so	so	RB
39142	379	25	faint	faint	JJ
39142	379	26	that	that	IN
39142	379	27	they	-PRON-	PRP
39142	379	28	are	be	VBP
39142	379	29	wholly	wholly	RB
39142	379	30	invisible	invisible	JJ
39142	379	31	to	to	IN
39142	379	32	the	the	DT
39142	379	33	naked	naked	JJ
39142	379	34	eye	eye	NN
39142	379	35	.	.	.
39142	380	1	CHAPTER	CHAPTER	NNP
39142	380	2	X	X	NNP
39142	380	3	KEPLER	KEPLER	NNP
39142	380	4	,	,	,
39142	380	5	THE	the	DT
39142	380	6	GREAT	great	JJ
39142	380	7	CALCULATOR	CALCULATOR	NNS
39142	380	8	Most	most	RBS
39142	380	9	fortunate	fortunate	VBP
39142	380	10	it	-PRON-	PRP
39142	380	11	was	be	VBD
39142	380	12	for	for	IN
39142	380	13	the	the	DT
39142	380	14	later	later	JJ
39142	380	15	development	development	NN
39142	380	16	of	of	IN
39142	380	17	astronomical	astronomical	JJ
39142	380	18	theory	theory	NN
39142	380	19	that	that	IN
39142	380	20	Tycho	Tycho	NNP
39142	380	21	Brahe	Brahe	NNP
39142	380	22	not	not	RB
39142	380	23	only	only	RB
39142	380	24	was	be	VBD
39142	380	25	a	a	DT
39142	380	26	practical	practical	JJ
39142	380	27	or	or	CC
39142	380	28	observational	observational	JJ
39142	380	29	astronomer	astronomer	NN
39142	380	30	of	of	IN
39142	380	31	the	the	DT
39142	380	32	highest	high	JJS
39142	380	33	order	order	NN
39142	380	34	,	,	,
39142	380	35	but	but	CC
39142	380	36	that	that	IN
39142	380	37	he	-PRON-	PRP
39142	380	38	confined	confine	VBD
39142	380	39	himself	-PRON-	PRP
39142	380	40	studiously	studiously	RB
39142	380	41	for	for	IN
39142	380	42	years	year	NNS
39142	380	43	to	to	IN
39142	380	44	observations	observation	NNS
39142	380	45	of	of	IN
39142	380	46	the	the	DT
39142	380	47	places	place	NNS
39142	380	48	of	of	IN
39142	380	49	the	the	DT
39142	380	50	planets	planet	NNS
39142	380	51	.	.	.
39142	381	1	Of	of	IN
39142	381	2	Mars	Mars	NNP
39142	381	3	he	-PRON-	PRP
39142	381	4	accumulated	accumulate	VBD
39142	381	5	an	an	DT
39142	381	6	especially	especially	RB
39142	381	7	long	long	JJ
39142	381	8	and	and	CC
39142	381	9	accurate	accurate	JJ
39142	381	10	series	series	NN
39142	381	11	,	,	,
39142	381	12	and	and	CC
39142	381	13	among	among	IN
39142	381	14	those	those	DT
39142	381	15	who	who	WP
39142	381	16	assisted	assist	VBD
39142	381	17	him	-PRON-	PRP
39142	381	18	in	in	IN
39142	381	19	his	-PRON-	PRP$
39142	381	20	work	work	NN
39142	381	21	was	be	VBD
39142	381	22	a	a	DT
39142	381	23	young	young	JJ
39142	381	24	and	and	CC
39142	381	25	brilliant	brilliant	JJ
39142	381	26	pupil	pupil	NN
39142	381	27	named	name	VBN
39142	381	28	Johann	Johann	NNP
39142	381	29	Kepler	Kepler	NNP
39142	381	30	.	.	.
39142	382	1	Strongly	strongly	RB
39142	382	2	impressed	impressed	JJ
39142	382	3	with	with	IN
39142	382	4	the	the	DT
39142	382	5	truth	truth	NN
39142	382	6	of	of	IN
39142	382	7	the	the	DT
39142	382	8	Copernican	Copernican	NNP
39142	382	9	System	System	NNP
39142	382	10	,	,	,
39142	382	11	Kepler	Kepler	NNP
39142	382	12	was	be	VBD
39142	382	13	free	free	JJ
39142	382	14	to	to	TO
39142	382	15	reject	reject	VB
39142	382	16	the	the	DT
39142	382	17	erroneous	erroneous	JJ
39142	382	18	compromise	compromise	NN
39142	382	19	system	system	NN
39142	382	20	devised	devise	VBN
39142	382	21	by	by	IN
39142	382	22	Tycho	Tycho	NNP
39142	382	23	Brahe	Brahe	NNP
39142	382	24	,	,	,
39142	382	25	and	and	CC
39142	382	26	soon	soon	RB
39142	382	27	after	after	IN
39142	382	28	Tycho	Tycho	NNP
39142	382	29	's	's	POS
39142	382	30	death	death	NN
39142	382	31	Kepler	Kepler	NNP
39142	382	32	addressed	address	VBD
39142	382	33	himself	-PRON-	PRP
39142	382	34	seriously	seriously	RB
39142	382	35	to	to	IN
39142	382	36	the	the	DT
39142	382	37	great	great	JJ
39142	382	38	problem	problem	NN
39142	382	39	that	that	IN
39142	382	40	no	no	DT
39142	382	41	one	one	NN
39142	382	42	had	have	VBD
39142	382	43	ever	ever	RB
39142	382	44	attempted	attempt	VBN
39142	382	45	to	to	TO
39142	382	46	solve	solve	VB
39142	382	47	,	,	,
39142	382	48	viz	viz	NN
39142	382	49	:	:	:
39142	382	50	to	to	TO
39142	382	51	find	find	VB
39142	382	52	out	out	RP
39142	382	53	what	what	WP
39142	382	54	the	the	DT
39142	382	55	laws	law	NNS
39142	382	56	of	of	IN
39142	382	57	motion	motion	NN
39142	382	58	of	of	IN
39142	382	59	the	the	DT
39142	382	60	planets	planet	NNS
39142	382	61	round	round	IN
39142	382	62	the	the	DT
39142	382	63	sun	sun	NN
39142	382	64	really	really	RB
39142	382	65	are	be	VBP
39142	382	66	.	.	.
39142	383	1	Of	of	RB
39142	383	2	course	course	RB
39142	383	3	he	-PRON-	PRP
39142	383	4	took	take	VBD
39142	383	5	the	the	DT
39142	383	6	fullest	full	JJS
39142	383	7	advantage	advantage	NN
39142	383	8	of	of	IN
39142	383	9	all	all	DT
39142	383	10	that	that	WDT
39142	383	11	Ptolemy	Ptolemy	NNP
39142	383	12	and	and	CC
39142	383	13	Copernicus	Copernicus	NNP
39142	383	14	had	have	VBD
39142	383	15	done	do	VBN
39142	383	16	before	before	IN
39142	383	17	him	-PRON-	PRP
39142	383	18	,	,	,
39142	383	19	and	and	CC
39142	383	20	he	-PRON-	PRP
39142	383	21	had	have	VBD
39142	383	22	in	in	IN
39142	383	23	addition	addition	NN
39142	383	24	the	the	DT
39142	383	25	splendid	splendid	JJ
39142	383	26	observations	observation	NNS
39142	383	27	of	of	IN
39142	383	28	Tycho	Tycho	NNP
39142	383	29	Brahe	Brahe	NNP
39142	383	30	as	as	IN
39142	383	31	a	a	DT
39142	383	32	basis	basis	NN
39142	383	33	to	to	TO
39142	383	34	work	work	VB
39142	383	35	upon	upon	IN
39142	383	36	.	.	.
39142	384	1	Copernicus	Copernicus	NNP
39142	384	2	,	,	,
39142	384	3	while	while	IN
39142	384	4	he	-PRON-	PRP
39142	384	5	had	have	VBD
39142	384	6	effected	effect	VBN
39142	384	7	the	the	DT
39142	384	8	tremendous	tremendous	JJ
39142	384	9	advance	advance	NN
39142	384	10	of	of	IN
39142	384	11	substituting	substitute	VBG
39142	384	12	the	the	DT
39142	384	13	sun	sun	NN
39142	384	14	for	for	IN
39142	384	15	the	the	DT
39142	384	16	earth	earth	NN
39142	384	17	as	as	IN
39142	384	18	the	the	DT
39142	384	19	center	center	NN
39142	384	20	of	of	IN
39142	384	21	motion	motion	NN
39142	384	22	,	,	,
39142	384	23	nevertheless	nevertheless	RB
39142	384	24	clung	clung	NNP
39142	384	25	to	to	IN
39142	384	26	the	the	DT
39142	384	27	erroneous	erroneous	JJ
39142	384	28	notion	notion	NN
39142	384	29	of	of	IN
39142	384	30	Ptolemy	Ptolemy	NNP
39142	384	31	that	that	WDT
39142	384	32	all	all	PDT
39142	384	33	the	the	DT
39142	384	34	bodies	body	NNS
39142	384	35	of	of	IN
39142	384	36	the	the	DT
39142	384	37	sky	sky	NN
39142	384	38	must	must	MD
39142	384	39	perforce	perforce	VB
39142	384	40	move	move	VB
39142	384	41	at	at	IN
39142	384	42	uniform	uniform	JJ
39142	384	43	speeds	speed	NNS
39142	384	44	,	,	,
39142	384	45	and	and	CC
39142	384	46	in	in	IN
39142	384	47	circular	circular	JJ
39142	384	48	curves	curve	NNS
39142	384	49	,	,	,
39142	384	50	the	the	DT
39142	384	51	circle	circle	NN
39142	384	52	being	be	VBG
39142	384	53	the	the	DT
39142	384	54	only	only	JJ
39142	384	55	"	"	``
39142	384	56	perfect	perfect	JJ
39142	384	57	curve	curve	NN
39142	384	58	.	.	.
39142	384	59	"	"	''
39142	385	1	Kepler	Kepler	NNP
39142	385	2	was	be	VBD
39142	385	3	not	not	RB
39142	385	4	long	long	RB
39142	385	5	in	in	IN
39142	385	6	finding	find	VBG
39142	385	7	out	out	RP
39142	385	8	that	that	IN
39142	385	9	this	this	DT
39142	385	10	could	could	MD
39142	385	11	not	not	RB
39142	385	12	be	be	VB
39142	385	13	so	so	RB
39142	385	14	,	,	,
39142	385	15	and	and	CC
39142	385	16	he	-PRON-	PRP
39142	385	17	found	find	VBD
39142	385	18	it	-PRON-	PRP
39142	385	19	out	out	RP
39142	385	20	because	because	IN
39142	385	21	Tycho	Tycho	NNP
39142	385	22	Brahe	Brahe	NNP
39142	385	23	's	's	POS
39142	385	24	observations	observation	NNS
39142	385	25	were	be	VBD
39142	385	26	much	much	RB
39142	385	27	more	more	RBR
39142	385	28	accurate	accurate	JJ
39142	385	29	than	than	IN
39142	385	30	any	any	DT
39142	385	31	that	that	IN
39142	385	32	Copernicus	Copernicus	NNP
39142	385	33	had	have	VBD
39142	385	34	employed	employ	VBN
39142	385	35	.	.	.
39142	386	1	Naturally	naturally	RB
39142	386	2	he	-PRON-	PRP
39142	386	3	attempted	attempt	VBD
39142	386	4	the	the	DT
39142	386	5	nearest	near	JJS
39142	386	6	planet	planet	NN
39142	386	7	first	first	RB
39142	386	8	,	,	,
39142	386	9	and	and	CC
39142	386	10	that	that	DT
39142	386	11	was	be	VBD
39142	386	12	Mars	Mars	NNP
39142	386	13	--	--	:
39142	386	14	the	the	DT
39142	386	15	planet	planet	NN
39142	386	16	that	that	WDT
39142	386	17	Tycho	Tycho	NNP
39142	386	18	had	have	VBD
39142	386	19	assigned	assign	VBN
39142	386	20	to	to	IN
39142	386	21	him	-PRON-	PRP
39142	386	22	for	for	IN
39142	386	23	research	research	NN
39142	386	24	.	.	.
39142	387	1	How	how	WRB
39142	387	2	fortunate	fortunate	JJ
39142	387	3	that	that	IN
39142	387	4	the	the	DT
39142	387	5	orbit	orbit	NN
39142	387	6	of	of	IN
39142	387	7	Mars	Mars	NNP
39142	387	8	was	be	VBD
39142	387	9	the	the	DT
39142	387	10	one	one	NN
39142	387	11	,	,	,
39142	387	12	of	of	IN
39142	387	13	all	all	PDT
39142	387	14	the	the	DT
39142	387	15	planets	planet	NNS
39142	387	16	,	,	,
39142	387	17	to	to	TO
39142	387	18	show	show	VB
39142	387	19	practically	practically	RB
39142	387	20	the	the	DT
39142	387	21	greatest	great	JJS
39142	387	22	divergence	divergence	NN
39142	387	23	from	from	IN
39142	387	24	the	the	DT
39142	387	25	ancient	ancient	JJ
39142	387	26	conditions	condition	NNS
39142	387	27	of	of	IN
39142	387	28	uniform	uniform	JJ
39142	387	29	motion	motion	NN
39142	387	30	in	in	IN
39142	387	31	a	a	DT
39142	387	32	perfectly	perfectly	RB
39142	387	33	circular	circular	JJ
39142	387	34	orbit	orbit	NN
39142	387	35	!	!	.
39142	388	1	Had	have	VBD
39142	388	2	the	the	DT
39142	388	3	orbit	orbit	NN
39142	388	4	of	of	IN
39142	388	5	Mars	Mars	NNP
39142	388	6	chanced	chance	VBD
39142	388	7	to	to	TO
39142	388	8	be	be	VB
39142	388	9	as	as	RB
39142	388	10	nearly	nearly	RB
39142	388	11	circular	circular	JJ
39142	388	12	as	as	IN
39142	388	13	is	be	VBZ
39142	388	14	that	that	DT
39142	388	15	of	of	IN
39142	388	16	Venus	Venus	NNP
39142	388	17	,	,	,
39142	388	18	Kepler	Kepler	NNP
39142	388	19	might	may	MD
39142	388	20	well	well	RB
39142	388	21	have	have	VB
39142	388	22	been	be	VBN
39142	388	23	driven	drive	VBN
39142	388	24	to	to	TO
39142	388	25	abandon	abandon	VB
39142	388	26	his	-PRON-	PRP$
39142	388	27	search	search	NN
39142	388	28	for	for	IN
39142	388	29	the	the	DT
39142	388	30	true	true	JJ
39142	388	31	curve	curve	NN
39142	388	32	of	of	IN
39142	388	33	planetary	planetary	JJ
39142	388	34	motion	motion	NN
39142	388	35	.	.	.
39142	389	1	However	however	RB
39142	389	2	,	,	,
39142	389	3	the	the	DT
39142	389	4	facts	fact	NNS
39142	389	5	of	of	IN
39142	389	6	the	the	DT
39142	389	7	cosmos	cosmo	NNS
39142	389	8	were	be	VBD
39142	389	9	on	on	IN
39142	389	10	his	-PRON-	PRP$
39142	389	11	side	side	NN
39142	389	12	,	,	,
39142	389	13	but	but	CC
39142	389	14	the	the	DT
39142	389	15	calculations	calculation	NNS
39142	389	16	essential	essential	JJ
39142	389	17	in	in	IN
39142	389	18	testing	test	VBG
39142	389	19	his	-PRON-	PRP$
39142	389	20	various	various	JJ
39142	389	21	hypotheses	hypothesis	NNS
39142	389	22	were	be	VBD
39142	389	23	of	of	IN
39142	389	24	the	the	DT
39142	389	25	most	most	RBS
39142	389	26	tedious	tedious	JJ
39142	389	27	nature	nature	NN
39142	389	28	,	,	,
39142	389	29	because	because	IN
39142	389	30	logarithms	logarithms	NNP
39142	389	31	were	be	VBD
39142	389	32	not	not	RB
39142	389	33	yet	yet	RB
39142	389	34	known	know	VBN
39142	389	35	in	in	IN
39142	389	36	his	-PRON-	PRP$
39142	389	37	day	day	NN
39142	389	38	.	.	.
39142	390	1	His	-PRON-	PRP$
39142	390	2	first	first	JJ
39142	390	3	discovery	discovery	NN
39142	390	4	was	be	VBD
39142	390	5	that	that	IN
39142	390	6	the	the	DT
39142	390	7	orbit	orbit	NN
39142	390	8	of	of	IN
39142	390	9	Mars	Mars	NNP
39142	390	10	is	be	VBZ
39142	390	11	certainly	certainly	RB
39142	390	12	not	not	RB
39142	390	13	a	a	DT
39142	390	14	circle	circle	NN
39142	390	15	,	,	,
39142	390	16	but	but	CC
39142	390	17	oval	oval	NN
39142	390	18	or	or	CC
39142	390	19	elliptic	elliptic	JJ
39142	390	20	in	in	IN
39142	390	21	figure	figure	NN
39142	390	22	.	.	.
39142	391	1	And	and	CC
39142	391	2	the	the	DT
39142	391	3	sun	sun	NN
39142	391	4	,	,	,
39142	391	5	he	-PRON-	PRP
39142	391	6	soon	soon	RB
39142	391	7	found	find	VBD
39142	391	8	,	,	,
39142	391	9	could	could	MD
39142	391	10	not	not	RB
39142	391	11	be	be	VB
39142	391	12	in	in	IN
39142	391	13	the	the	DT
39142	391	14	center	center	NN
39142	391	15	of	of	IN
39142	391	16	the	the	DT
39142	391	17	ellipse	ellipse	NN
39142	391	18	,	,	,
39142	391	19	so	so	RB
39142	391	20	he	-PRON-	PRP
39142	391	21	made	make	VBD
39142	391	22	a	a	DT
39142	391	23	series	series	NN
39142	391	24	of	of	IN
39142	391	25	trial	trial	NN
39142	391	26	calculations	calculation	NNS
39142	391	27	with	with	IN
39142	391	28	the	the	DT
39142	391	29	sun	sun	NN
39142	391	30	located	locate	VBN
39142	391	31	in	in	IN
39142	391	32	one	one	CD
39142	391	33	of	of	IN
39142	391	34	the	the	DT
39142	391	35	foci	foci	NN
39142	391	36	of	of	IN
39142	391	37	the	the	DT
39142	391	38	ellipse	ellipse	NN
39142	391	39	instead	instead	RB
39142	391	40	.	.	.
39142	392	1	Then	then	RB
39142	392	2	he	-PRON-	PRP
39142	392	3	found	find	VBD
39142	392	4	he	-PRON-	PRP
39142	392	5	could	could	MD
39142	392	6	make	make	VB
39142	392	7	his	-PRON-	PRP$
39142	392	8	calculated	calculated	JJ
39142	392	9	places	place	NNS
39142	392	10	of	of	IN
39142	392	11	Mars	Mars	NNP
39142	392	12	agree	agree	VBP
39142	392	13	quite	quite	RB
39142	392	14	perfectly	perfectly	RB
39142	392	15	with	with	IN
39142	392	16	Tycho	Tycho	NNP
39142	392	17	Brahe	Brahe	NNP
39142	392	18	's	's	POS
39142	392	19	observed	observed	JJ
39142	392	20	positions	position	NNS
39142	392	21	,	,	,
39142	392	22	if	if	IN
39142	392	23	only	only	RB
39142	392	24	he	-PRON-	PRP
39142	392	25	gave	give	VBD
39142	392	26	up	up	RP
39142	392	27	the	the	DT
39142	392	28	other	other	JJ
39142	392	29	ancient	ancient	JJ
39142	392	30	requisite	requisite	NN
39142	392	31	of	of	IN
39142	392	32	perfectly	perfectly	RB
39142	392	33	uniform	uniform	JJ
39142	392	34	motion	motion	NN
39142	392	35	.	.	.
39142	393	1	On	on	IN
39142	393	2	doing	do	VBG
39142	393	3	this	this	DT
39142	393	4	,	,	,
39142	393	5	it	-PRON-	PRP
39142	393	6	soon	soon	RB
39142	393	7	appeared	appear	VBD
39142	393	8	that	that	IN
39142	393	9	Mars	Mars	NNP
39142	393	10	,	,	,
39142	393	11	when	when	WRB
39142	393	12	in	in	IN
39142	393	13	perihelion	perihelion	NN
39142	393	14	,	,	,
39142	393	15	or	or	CC
39142	393	16	nearest	near	JJS
39142	393	17	the	the	DT
39142	393	18	sun	sun	NN
39142	393	19	,	,	,
39142	393	20	always	always	RB
39142	393	21	moved	move	VBD
39142	393	22	swiftest	swiftest	RB
39142	393	23	,	,	,
39142	393	24	while	while	IN
39142	393	25	at	at	IN
39142	393	26	its	-PRON-	PRP$
39142	393	27	greatest	great	JJS
39142	393	28	distance	distance	NN
39142	393	29	from	from	IN
39142	393	30	the	the	DT
39142	393	31	sun	sun	NN
39142	393	32	,	,	,
39142	393	33	or	or	CC
39142	393	34	aphelion	aphelion	NN
39142	393	35	,	,	,
39142	393	36	its	-PRON-	PRP$
39142	393	37	orbital	orbital	JJ
39142	393	38	velocity	velocity	NN
39142	393	39	was	be	VBD
39142	393	40	slowest	slow	JJS
39142	393	41	.	.	.
39142	394	1	Kepler	Kepler	NNP
39142	394	2	did	do	VBD
39142	394	3	not	not	RB
39142	394	4	busy	busy	VB
39142	394	5	himself	-PRON-	PRP
39142	394	6	to	to	TO
39142	394	7	inquire	inquire	VB
39142	394	8	why	why	WRB
39142	394	9	these	these	DT
39142	394	10	revolutionary	revolutionary	JJ
39142	394	11	discoveries	discovery	NNS
39142	394	12	of	of	IN
39142	394	13	his	-PRON-	PRP$
39142	394	14	were	be	VBD
39142	394	15	as	as	IN
39142	394	16	they	-PRON-	PRP
39142	394	17	were	be	VBD
39142	394	18	;	;	:
39142	394	19	he	-PRON-	PRP
39142	394	20	simply	simply	RB
39142	394	21	went	go	VBD
39142	394	22	on	on	RP
39142	394	23	making	make	VBG
39142	394	24	enough	enough	JJ
39142	394	25	trials	trial	NNS
39142	394	26	on	on	IN
39142	394	27	Mars	Mars	NNP
39142	394	28	,	,	,
39142	394	29	and	and	CC
39142	394	30	then	then	RB
39142	394	31	on	on	IN
39142	394	32	the	the	DT
39142	394	33	other	other	JJ
39142	394	34	planets	planet	NNS
39142	394	35	in	in	IN
39142	394	36	turn	turn	NN
39142	394	37	,	,	,
39142	394	38	to	to	TO
39142	394	39	satisfy	satisfy	VB
39142	394	40	himself	-PRON-	PRP
39142	394	41	that	that	IN
39142	394	42	all	all	PDT
39142	394	43	the	the	DT
39142	394	44	planetary	planetary	NN
39142	394	45	orbits	orbit	NNS
39142	394	46	are	be	VBP
39142	394	47	elliptical	elliptical	JJ
39142	394	48	,	,	,
39142	394	49	not	not	RB
39142	394	50	circular	circular	JJ
39142	394	51	in	in	IN
39142	394	52	form	form	NN
39142	394	53	,	,	,
39142	394	54	and	and	CC
39142	394	55	are	be	VBP
39142	394	56	so	so	RB
39142	394	57	located	locate	VBN
39142	394	58	in	in	IN
39142	394	59	space	space	NN
39142	394	60	that	that	WDT
39142	394	61	the	the	DT
39142	394	62	center	center	NN
39142	394	63	of	of	IN
39142	394	64	the	the	DT
39142	394	65	sun	sun	NN
39142	394	66	is	be	VBZ
39142	394	67	at	at	IN
39142	394	68	one	one	CD
39142	394	69	of	of	IN
39142	394	70	the	the	DT
39142	394	71	two	two	CD
39142	394	72	foci	foci	NN
39142	394	73	of	of	IN
39142	394	74	each	each	DT
39142	394	75	orbit	orbit	NN
39142	394	76	.	.	.
39142	395	1	This	this	DT
39142	395	2	is	be	VBZ
39142	395	3	known	know	VBN
39142	395	4	as	as	IN
39142	395	5	Kepler	Kepler	NNP
39142	395	6	's	's	POS
39142	395	7	first	first	JJ
39142	395	8	law	law	NN
39142	395	9	of	of	IN
39142	395	10	planetary	planetary	NN
39142	395	11	motion	motion	NN
39142	395	12	.	.	.
39142	396	1	The	the	DT
39142	396	2	second	second	JJ
39142	396	3	one	one	NN
39142	396	4	did	do	VBD
39142	396	5	not	not	RB
39142	396	6	come	come	VB
39142	396	7	quite	quite	RB
39142	396	8	so	so	RB
39142	396	9	easy	easy	JJ
39142	396	10	;	;	:
39142	396	11	it	-PRON-	PRP
39142	396	12	concerned	concern	VBD
39142	396	13	the	the	DT
39142	396	14	variable	variable	JJ
39142	396	15	speed	speed	NN
39142	396	16	with	with	IN
39142	396	17	which	which	WDT
39142	396	18	the	the	DT
39142	396	19	planet	planet	NN
39142	396	20	moves	move	VBZ
39142	396	21	at	at	IN
39142	396	22	every	every	DT
39142	396	23	point	point	NN
39142	396	24	of	of	IN
39142	396	25	the	the	DT
39142	396	26	orbit	orbit	NN
39142	396	27	.	.	.
39142	397	1	We	-PRON-	PRP
39142	397	2	must	must	MD
39142	397	3	remember	remember	VB
39142	397	4	how	how	WRB
39142	397	5	handicapped	handicapped	JJ
39142	397	6	he	-PRON-	PRP
39142	397	7	was	be	VBD
39142	397	8	in	in	IN
39142	397	9	solving	solve	VBG
39142	397	10	this	this	DT
39142	397	11	problem	problem	NN
39142	397	12	:	:	:
39142	397	13	only	only	RB
39142	397	14	the	the	DT
39142	397	15	geometry	geometry	NN
39142	397	16	of	of	IN
39142	397	17	Euclid	Euclid	NNP
39142	397	18	to	to	TO
39142	397	19	work	work	VB
39142	397	20	with	with	IN
39142	397	21	,	,	,
39142	397	22	and	and	CC
39142	397	23	none	none	NN
39142	397	24	of	of	IN
39142	397	25	the	the	DT
39142	397	26	refinements	refinement	NNS
39142	397	27	of	of	IN
39142	397	28	the	the	DT
39142	397	29	higher	high	JJR
39142	397	30	mathematics	mathematic	NNS
39142	397	31	of	of	IN
39142	397	32	a	a	DT
39142	397	33	later	later	JJ
39142	397	34	day	day	NN
39142	397	35	.	.	.
39142	398	1	But	but	CC
39142	398	2	he	-PRON-	PRP
39142	398	3	finally	finally	RB
39142	398	4	found	find	VBD
39142	398	5	a	a	DT
39142	398	6	very	very	RB
39142	398	7	simple	simple	JJ
39142	398	8	relation	relation	NN
39142	398	9	which	which	WDT
39142	398	10	represented	represent	VBD
39142	398	11	the	the	DT
39142	398	12	velocity	velocity	NN
39142	398	13	of	of	IN
39142	398	14	the	the	DT
39142	398	15	planet	planet	NN
39142	398	16	everywhere	everywhere	RB
39142	398	17	in	in	IN
39142	398	18	its	-PRON-	PRP$
39142	398	19	orbit	orbit	NN
39142	398	20	.	.	.
39142	399	1	It	-PRON-	PRP
39142	399	2	was	be	VBD
39142	399	3	this	this	DT
39142	399	4	:	:	:
39142	399	5	if	if	IN
39142	399	6	we	-PRON-	PRP
39142	399	7	calculate	calculate	VBP
39142	399	8	the	the	DT
39142	399	9	area	area	NN
39142	399	10	swept	sweep	VBN
39142	399	11	,	,	,
39142	399	12	or	or	CC
39142	399	13	passed	pass	VBN
39142	399	14	over	over	RP
39142	399	15	,	,	,
39142	399	16	by	by	IN
39142	399	17	the	the	DT
39142	399	18	planet	planet	NN
39142	399	19	's	's	POS
39142	399	20	radius	radius	NN
39142	399	21	vector	vector	NN
39142	399	22	(	(	-LRB-
39142	399	23	that	that	RB
39142	399	24	is	is	RB
39142	399	25	,	,	,
39142	399	26	the	the	DT
39142	399	27	line	line	NN
39142	399	28	joining	join	VBG
39142	399	29	its	-PRON-	PRP$
39142	399	30	center	center	NN
39142	399	31	to	to	IN
39142	399	32	the	the	DT
39142	399	33	sun	sun	NN
39142	399	34	's	's	POS
39142	399	35	center	center	NN
39142	399	36	)	)	-RRB-
39142	399	37	during	during	IN
39142	399	38	a	a	DT
39142	399	39	week	week	NN
39142	399	40	's	's	POS
39142	399	41	time	time	NN
39142	399	42	near	near	IN
39142	399	43	perihelion	perihelion	NN
39142	399	44	,	,	,
39142	399	45	and	and	CC
39142	399	46	then	then	RB
39142	399	47	calculate	calculate	VB
39142	399	48	the	the	DT
39142	399	49	similar	similar	JJ
39142	399	50	area	area	NN
39142	399	51	for	for	IN
39142	399	52	a	a	DT
39142	399	53	week	week	NN
39142	399	54	near	near	IN
39142	399	55	aphelion	aphelion	NN
39142	399	56	,	,	,
39142	399	57	or	or	CC
39142	399	58	indeed	indeed	RB
39142	399	59	for	for	IN
39142	399	60	a	a	DT
39142	399	61	week	week	NN
39142	399	62	when	when	WRB
39142	399	63	Mars	Mars	NNP
39142	399	64	is	be	VBZ
39142	399	65	in	in	IN
39142	399	66	any	any	DT
39142	399	67	intermediate	intermediate	JJ
39142	399	68	part	part	NN
39142	399	69	of	of	IN
39142	399	70	its	-PRON-	PRP$
39142	399	71	orbit	orbit	NN
39142	399	72	,	,	,
39142	399	73	we	-PRON-	PRP
39142	399	74	shall	shall	MD
39142	399	75	find	find	VB
39142	399	76	that	that	IN
39142	399	77	these	these	DT
39142	399	78	areas	area	NNS
39142	399	79	are	be	VBP
39142	399	80	all	all	RB
39142	399	81	equal	equal	JJ
39142	399	82	to	to	IN
39142	399	83	each	each	DT
39142	399	84	other	other	JJ
39142	399	85	.	.	.
39142	400	1	So	so	RB
39142	400	2	Kepler	Kepler	NNP
39142	400	3	formulated	formulate	VBD
39142	400	4	his	-PRON-	PRP$
39142	400	5	second	second	JJ
39142	400	6	great	great	JJ
39142	400	7	law	law	NN
39142	400	8	of	of	IN
39142	400	9	planetary	planetary	NN
39142	400	10	motion	motion	NN
39142	400	11	very	very	RB
39142	400	12	simply	simply	RB
39142	400	13	:	:	:
39142	400	14	the	the	DT
39142	400	15	radius	radius	NN
39142	400	16	vector	vector	NN
39142	400	17	of	of	IN
39142	400	18	any	any	DT
39142	400	19	planet	planet	NN
39142	400	20	describes	describe	VBZ
39142	400	21	,	,	,
39142	400	22	or	or	CC
39142	400	23	sweeps	sweep	VBZ
39142	400	24	over	over	RP
39142	400	25	,	,	,
39142	400	26	equal	equal	JJ
39142	400	27	areas	area	NNS
39142	400	28	in	in	IN
39142	400	29	equal	equal	JJ
39142	400	30	times	time	NNS
39142	400	31	.	.	.
39142	401	1	And	and	CC
39142	401	2	he	-PRON-	PRP
39142	401	3	found	find	VBD
39142	401	4	this	this	DT
39142	401	5	was	be	VBD
39142	401	6	true	true	JJ
39142	401	7	for	for	IN
39142	401	8	all	all	PDT
39142	401	9	the	the	DT
39142	401	10	planets	planet	NNS
39142	401	11	.	.	.
39142	402	1	But	but	CC
39142	402	2	the	the	DT
39142	402	3	real	real	JJ
39142	402	4	genius	genius	NN
39142	402	5	of	of	IN
39142	402	6	the	the	DT
39142	402	7	great	great	JJ
39142	402	8	mathematician	mathematician	NNP
39142	402	9	was	be	VBD
39142	402	10	shown	show	VBN
39142	402	11	in	in	IN
39142	402	12	the	the	DT
39142	402	13	discovery	discovery	NN
39142	402	14	of	of	IN
39142	402	15	his	-PRON-	PRP$
39142	402	16	third	third	JJ
39142	402	17	law	law	NN
39142	402	18	,	,	,
39142	402	19	which	which	WDT
39142	402	20	is	be	VBZ
39142	402	21	more	more	RBR
39142	402	22	complex	complex	JJ
39142	402	23	and	and	CC
39142	402	24	even	even	RB
39142	402	25	more	more	RBR
39142	402	26	significant	significant	JJ
39142	402	27	than	than	IN
39142	402	28	the	the	DT
39142	402	29	other	other	JJ
39142	402	30	two	two	CD
39142	402	31	--	--	:
39142	402	32	a	a	DT
39142	402	33	law	law	NN
39142	402	34	connecting	connect	VBG
39142	402	35	the	the	DT
39142	402	36	distances	distance	NNS
39142	402	37	of	of	IN
39142	402	38	the	the	DT
39142	402	39	planets	planet	NNS
39142	402	40	from	from	IN
39142	402	41	the	the	DT
39142	402	42	sun	sun	NN
39142	402	43	with	with	IN
39142	402	44	their	-PRON-	PRP$
39142	402	45	periods	period	NNS
39142	402	46	of	of	IN
39142	402	47	revolution	revolution	NN
39142	402	48	about	about	IN
39142	402	49	the	the	DT
39142	402	50	sun	sun	NN
39142	402	51	.	.	.
39142	403	1	This	this	DT
39142	403	2	cost	cost	NN
39142	403	3	Kepler	Kepler	NNP
39142	403	4	many	many	JJ
39142	403	5	additional	additional	JJ
39142	403	6	years	year	NNS
39142	403	7	of	of	IN
39142	403	8	close	close	JJ
39142	403	9	calculation	calculation	NN
39142	403	10	,	,	,
39142	403	11	and	and	CC
39142	403	12	the	the	DT
39142	403	13	resulting	result	VBG
39142	403	14	law	law	NN
39142	403	15	,	,	,
39142	403	16	his	-PRON-	PRP$
39142	403	17	third	third	JJ
39142	403	18	law	law	NN
39142	403	19	of	of	IN
39142	403	20	planetary	planetary	NN
39142	403	21	motion	motion	NN
39142	403	22	is	be	VBZ
39142	403	23	this	this	DT
39142	403	24	:	:	:
39142	403	25	The	the	DT
39142	403	26	cubes	cube	NNS
39142	403	27	of	of	IN
39142	403	28	the	the	DT
39142	403	29	mean	mean	NN
39142	403	30	or	or	CC
39142	403	31	average	average	JJ
39142	403	32	distances	distance	NNS
39142	403	33	of	of	IN
39142	403	34	the	the	DT
39142	403	35	planets	planet	NNS
39142	403	36	from	from	IN
39142	403	37	the	the	DT
39142	403	38	sun	sun	NN
39142	403	39	are	be	VBP
39142	403	40	proportional	proportional	JJ
39142	403	41	to	to	IN
39142	403	42	the	the	DT
39142	403	43	squares	square	NNS
39142	403	44	of	of	IN
39142	403	45	their	-PRON-	PRP$
39142	403	46	times	time	NNS
39142	403	47	of	of	IN
39142	403	48	revolution	revolution	NN
39142	403	49	around	around	IN
39142	403	50	him	-PRON-	PRP
39142	403	51	.	.	.
39142	404	1	So	so	RB
39142	404	2	Kepler	Kepler	NNP
39142	404	3	had	have	VBD
39142	404	4	not	not	RB
39142	404	5	only	only	RB
39142	404	6	disposed	dispose	VBN
39142	404	7	of	of	IN
39142	404	8	the	the	DT
39142	404	9	sacred	sacred	JJ
39142	404	10	theories	theory	NNS
39142	404	11	of	of	IN
39142	404	12	motion	motion	NN
39142	404	13	of	of	IN
39142	404	14	the	the	DT
39142	404	15	planets	planet	NNS
39142	404	16	held	hold	VBN
39142	404	17	by	by	IN
39142	404	18	the	the	DT
39142	404	19	ancients	ancient	NNS
39142	404	20	as	as	IN
39142	404	21	inviolable	inviolable	JJ
39142	404	22	,	,	,
39142	404	23	but	but	CC
39142	404	24	he	-PRON-	PRP
39142	404	25	had	have	VBD
39142	404	26	demonstrated	demonstrate	VBN
39142	404	27	the	the	DT
39142	404	28	truth	truth	NN
39142	404	29	of	of	IN
39142	404	30	a	a	DT
39142	404	31	great	great	JJ
39142	404	32	law	law	NN
39142	404	33	which	which	WDT
39142	404	34	bound	bind	VBD
39142	404	35	all	all	PDT
39142	404	36	the	the	DT
39142	404	37	bodies	body	NNS
39142	404	38	of	of	IN
39142	404	39	the	the	DT
39142	404	40	solar	solar	JJ
39142	404	41	system	system	NN
39142	404	42	together	together	RB
39142	404	43	.	.	.
39142	405	1	So	so	RB
39142	405	2	accurately	accurately	RB
39142	405	3	and	and	CC
39142	405	4	completely	completely	RB
39142	405	5	did	do	VBD
39142	405	6	these	these	DT
39142	405	7	three	three	CD
39142	405	8	laws	law	NNS
39142	405	9	account	account	VBP
39142	405	10	for	for	IN
39142	405	11	all	all	PDT
39142	405	12	the	the	DT
39142	405	13	motions	motion	NNS
39142	405	14	,	,	,
39142	405	15	that	that	IN
39142	405	16	the	the	DT
39142	405	17	science	science	NN
39142	405	18	of	of	IN
39142	405	19	astronomy	astronomy	NN
39142	405	20	seemed	seem	VBD
39142	405	21	as	as	IN
39142	405	22	if	if	IN
39142	405	23	finished	finish	VBN
39142	405	24	;	;	:
39142	405	25	and	and	CC
39142	405	26	no	no	RB
39142	405	27	matter	matter	RB
39142	405	28	how	how	WRB
39142	405	29	far	far	RB
39142	405	30	in	in	IN
39142	405	31	the	the	DT
39142	405	32	future	future	NN
39142	405	33	a	a	DT
39142	405	34	time	time	NN
39142	405	35	might	may	MD
39142	405	36	be	be	VB
39142	405	37	assigned	assign	VBN
39142	405	38	,	,	,
39142	405	39	Kepler	Kepler	NNP
39142	405	40	's	's	POS
39142	405	41	laws	law	NNS
39142	405	42	provided	provide	VBD
39142	405	43	the	the	DT
39142	405	44	means	mean	NNS
39142	405	45	of	of	IN
39142	405	46	calculating	calculate	VBG
39142	405	47	the	the	DT
39142	405	48	planet	planet	NN
39142	405	49	's	's	POS
39142	405	50	position	position	NN
39142	405	51	for	for	IN
39142	405	52	that	that	DT
39142	405	53	epoch	epoch	NN
39142	405	54	as	as	RB
39142	405	55	accurately	accurately	RB
39142	405	56	as	as	IN
39142	405	57	it	-PRON-	PRP
39142	405	58	would	would	MD
39142	405	59	be	be	VB
39142	405	60	possible	possible	JJ
39142	405	61	to	to	TO
39142	405	62	observe	observe	VB
39142	405	63	it	-PRON-	PRP
39142	405	64	.	.	.
39142	406	1	Kepler	Kepler	NNP
39142	406	2	paused	pause	VBD
39142	406	3	here	here	RB
39142	406	4	,	,	,
39142	406	5	and	and	CC
39142	406	6	he	-PRON-	PRP
39142	406	7	died	die	VBD
39142	406	8	in	in	IN
39142	406	9	1630	1630	CD
39142	406	10	.	.	.
39142	407	1	CHAPTER	chapter	NN
39142	407	2	XI	XI	NNP
39142	407	3	GALILEO	GALILEO	NNP
39142	407	4	,	,	,
39142	407	5	THE	the	DT
39142	407	6	GREAT	great	JJ
39142	407	7	EXPERIMENTER	EXPERIMENTER	NNP
39142	407	8	The	the	DT
39142	407	9	fifteenth	fifteenth	JJ
39142	407	10	and	and	CC
39142	407	11	sixteenth	sixteenth	JJ
39142	407	12	centuries	century	NNS
39142	407	13	,	,	,
39142	407	14	containing	contain	VBG
39142	407	15	the	the	DT
39142	407	16	lives	life	NNS
39142	407	17	and	and	CC
39142	407	18	work	work	NN
39142	407	19	of	of	IN
39142	407	20	Copernicus	Copernicus	NNP
39142	407	21	,	,	,
39142	407	22	Tycho	Tycho	NNP
39142	407	23	,	,	,
39142	407	24	Galileo	Galileo	NNP
39142	407	25	,	,	,
39142	407	26	Kepler	Kepler	NNP
39142	407	27	,	,	,
39142	407	28	Huygens	Huygens	NNP
39142	407	29	,	,	,
39142	407	30	Halley	Halley	NNP
39142	407	31	,	,	,
39142	407	32	and	and	CC
39142	407	33	Newton	Newton	NNP
39142	407	34	,	,	,
39142	407	35	were	be	VBD
39142	407	36	a	a	DT
39142	407	37	veritable	veritable	JJ
39142	407	38	Golden	Golden	NNP
39142	407	39	Age	Age	NNP
39142	407	40	of	of	IN
39142	407	41	astronomy	astronomy	NN
39142	407	42	.	.	.
39142	408	1	All	all	PDT
39142	408	2	these	these	DT
39142	408	3	men	man	NNS
39142	408	4	were	be	VBD
39142	408	5	truly	truly	RB
39142	408	6	great	great	JJ
39142	408	7	and	and	CC
39142	408	8	original	original	JJ
39142	408	9	investigators	investigator	NNS
39142	408	10	.	.	.
39142	409	1	None	none	NN
39142	409	2	had	have	VBD
39142	409	3	a	a	DT
39142	409	4	career	career	NN
39142	409	5	more	more	JJR
39142	409	6	picturesque	picturesque	NN
39142	409	7	and	and	CC
39142	409	8	popular	popular	JJ
39142	409	9	than	than	IN
39142	409	10	did	do	VBD
39142	409	11	Galileo	Galileo	NNP
39142	409	12	.	.	.
39142	410	1	Born	bear	VBN
39142	410	2	a	a	DT
39142	410	3	few	few	JJ
39142	410	4	years	year	NNS
39142	410	5	earlier	early	RBR
39142	410	6	and	and	CC
39142	410	7	dying	die	VBG
39142	410	8	a	a	DT
39142	410	9	few	few	JJ
39142	410	10	years	year	NNS
39142	410	11	later	later	RB
39142	410	12	than	than	IN
39142	410	13	Kepler	Kepler	NNP
39142	410	14	,	,	,
39142	410	15	the	the	DT
39142	410	16	work	work	NN
39142	410	17	of	of	IN
39142	410	18	each	each	DT
39142	410	19	of	of	IN
39142	410	20	these	these	DT
39142	410	21	two	two	CD
39142	410	22	great	great	JJ
39142	410	23	astronomers	astronomer	NNS
39142	410	24	was	be	VBD
39142	410	25	wholly	wholly	RB
39142	410	26	independent	independent	JJ
39142	410	27	of	of	IN
39142	410	28	the	the	DT
39142	410	29	other	other	JJ
39142	410	30	and	and	CC
39142	410	31	in	in	IN
39142	410	32	entirely	entirely	RB
39142	410	33	different	different	JJ
39142	410	34	fields	field	NNS
39142	410	35	.	.	.
39142	411	1	Kepler	Kepler	NNP
39142	411	2	was	be	VBD
39142	411	3	discovering	discover	VBG
39142	411	4	the	the	DT
39142	411	5	laws	law	NNS
39142	411	6	of	of	IN
39142	411	7	planetary	planetary	JJ
39142	411	8	motion	motion	NN
39142	411	9	,	,	,
39142	411	10	while	while	IN
39142	411	11	Galileo	Galileo	NNP
39142	411	12	was	be	VBD
39142	411	13	laying	lay	VBG
39142	411	14	the	the	DT
39142	411	15	secure	secure	JJ
39142	411	16	foundations	foundation	NNS
39142	411	17	of	of	IN
39142	411	18	the	the	DT
39142	411	19	new	new	JJ
39142	411	20	science	science	NN
39142	411	21	of	of	IN
39142	411	22	dynamics	dynamic	NNS
39142	411	23	,	,	,
39142	411	24	in	in	IN
39142	411	25	particular	particular	JJ
39142	411	26	the	the	DT
39142	411	27	laws	law	NNS
39142	411	28	of	of	IN
39142	411	29	falling	fall	VBG
39142	411	30	bodies	body	NNS
39142	411	31	,	,	,
39142	411	32	that	that	WDT
39142	411	33	was	be	VBD
39142	411	34	necessary	necessary	JJ
39142	411	35	before	before	IN
39142	411	36	Kepler	Kepler	NNP
39142	411	37	's	's	POS
39142	411	38	laws	law	NNS
39142	411	39	could	could	MD
39142	411	40	be	be	VB
39142	411	41	fully	fully	RB
39142	411	42	understood	understand	VBN
39142	411	43	.	.	.
39142	412	1	When	when	WRB
39142	412	2	only	only	RB
39142	412	3	eighteen	eighteen	CD
39142	412	4	Galileo	Galileo	NNP
39142	412	5	's	's	POS
39142	412	6	keen	keen	JJ
39142	412	7	power	power	NN
39142	412	8	of	of	IN
39142	412	9	observation	observation	NN
39142	412	10	led	lead	VBD
39142	412	11	to	to	IN
39142	412	12	his	-PRON-	PRP$
39142	412	13	discovery	discovery	NN
39142	412	14	of	of	IN
39142	412	15	the	the	DT
39142	412	16	laws	law	NNS
39142	412	17	of	of	IN
39142	412	18	pendulum	pendulum	NN
39142	412	19	motion	motion	NN
39142	412	20	,	,	,
39142	412	21	suggested	suggest	VBN
39142	412	22	by	by	IN
39142	412	23	the	the	DT
39142	412	24	oscillation	oscillation	NN
39142	412	25	to	to	IN
39142	412	26	and	and	CC
39142	412	27	fro	fro	NNP
39142	412	28	of	of	IN
39142	412	29	a	a	DT
39142	412	30	lamp	lamp	NN
39142	412	31	in	in	IN
39142	412	32	the	the	DT
39142	412	33	cathedral	cathedral	NN
39142	412	34	of	of	IN
39142	412	35	Pisa	Pisa	NNP
39142	412	36	.	.	.
39142	413	1	The	the	DT
39142	413	2	world	world	NN
39142	413	3	-	-	HYPH
39142	413	4	famous	famous	JJ
39142	413	5	leaning	lean	VBG
39142	413	6	tower	tower	NN
39142	413	7	of	of	IN
39142	413	8	this	this	DT
39142	413	9	place	place	NN
39142	413	10	,	,	,
39142	413	11	where	where	WRB
39142	413	12	he	-PRON-	PRP
39142	413	13	was	be	VBD
39142	413	14	born	bear	VBN
39142	413	15	,	,	,
39142	413	16	served	serve	VBD
39142	413	17	as	as	IN
39142	413	18	a	a	DT
39142	413	19	physical	physical	JJ
39142	413	20	laboratory	laboratory	NN
39142	413	21	from	from	IN
39142	413	22	the	the	DT
39142	413	23	top	top	NN
39142	413	24	of	of	IN
39142	413	25	which	which	WDT
39142	413	26	he	-PRON-	PRP
39142	413	27	dropped	drop	VBD
39142	413	28	various	various	JJ
39142	413	29	objects	object	NNS
39142	413	30	,	,	,
39142	413	31	and	and	CC
39142	413	32	thus	thus	RB
39142	413	33	was	be	VBD
39142	413	34	led	lead	VBN
39142	413	35	to	to	TO
39142	413	36	formulate	formulate	VB
39142	413	37	the	the	DT
39142	413	38	laws	law	NNS
39142	413	39	of	of	IN
39142	413	40	falling	fall	VBG
39142	413	41	bodies	body	NNS
39142	413	42	.	.	.
39142	414	1	He	-PRON-	PRP
39142	414	2	proved	prove	VBD
39142	414	3	that	that	IN
39142	414	4	Aristotle	Aristotle	NNP
39142	414	5	was	be	VBD
39142	414	6	all	all	DT
39142	414	7	wrong	wrong	JJ
39142	414	8	in	in	IN
39142	414	9	saying	say	VBG
39142	414	10	that	that	IN
39142	414	11	a	a	DT
39142	414	12	heavy	heavy	JJ
39142	414	13	body	body	NN
39142	414	14	must	must	MD
39142	414	15	fall	fall	VB
39142	414	16	swifter	swifter	VB
39142	414	17	in	in	IN
39142	414	18	proportion	proportion	NN
39142	414	19	to	to	IN
39142	414	20	its	-PRON-	PRP$
39142	414	21	weight	weight	NN
39142	414	22	than	than	IN
39142	414	23	a	a	DT
39142	414	24	lighter	light	JJR
39142	414	25	one	one	NN
39142	414	26	.	.	.
39142	415	1	These	these	DT
39142	415	2	and	and	CC
39142	415	3	other	other	JJ
39142	415	4	discoveries	discovery	NNS
39142	415	5	rendered	render	VBD
39142	415	6	him	-PRON-	PRP
39142	415	7	unpopular	unpopular	JJ
39142	415	8	with	with	IN
39142	415	9	his	-PRON-	PRP$
39142	415	10	associates	associate	NNS
39142	415	11	,	,	,
39142	415	12	who	who	WP
39142	415	13	christened	christen	VBD
39142	415	14	him	-PRON-	PRP
39142	415	15	the	the	DT
39142	415	16	"	"	``
39142	415	17	Wrangler	Wrangler	NNP
39142	415	18	.	.	.
39142	415	19	"	"	''
39142	416	1	The	the	DT
39142	416	2	new	new	JJ
39142	416	3	system	system	NN
39142	416	4	of	of	IN
39142	416	5	Copernicus	Copernicus	NNP
39142	416	6	appealed	appeal	VBD
39142	416	7	to	to	IN
39142	416	8	him	-PRON-	PRP
39142	416	9	;	;	:
39142	416	10	and	and	CC
39142	416	11	when	when	WRB
39142	416	12	he	-PRON-	PRP
39142	416	13	,	,	,
39142	416	14	first	first	RB
39142	416	15	of	of	IN
39142	416	16	all	all	DT
39142	416	17	men	man	NNS
39142	416	18	,	,	,
39142	416	19	turned	turn	VBD
39142	416	20	a	a	DT
39142	416	21	telescope	telescope	NN
39142	416	22	on	on	IN
39142	416	23	the	the	DT
39142	416	24	heavenly	heavenly	JJ
39142	416	25	bodies	body	NNS
39142	416	26	,	,	,
39142	416	27	there	there	EX
39142	416	28	was	be	VBD
39142	416	29	Venus	Venus	NNP
39142	416	30	with	with	IN
39142	416	31	phases	phase	NNS
39142	416	32	like	like	IN
39142	416	33	those	those	DT
39142	416	34	of	of	IN
39142	416	35	the	the	DT
39142	416	36	moon	moon	NN
39142	416	37	,	,	,
39142	416	38	and	and	CC
39142	416	39	Jupiter	Jupiter	NNP
39142	416	40	with	with	IN
39142	416	41	satellites	satellite	NNS
39142	416	42	traveling	travel	VBG
39142	416	43	about	about	IN
39142	416	44	it	-PRON-	PRP
39142	416	45	--	--	:
39142	416	46	a	a	DT
39142	416	47	Copernican	copernican	JJ
39142	416	48	system	system	NN
39142	416	49	in	in	IN
39142	416	50	miniature	miniature	NN
39142	416	51	.	.	.
39142	417	1	Nothing	nothing	NN
39142	417	2	could	could	MD
39142	417	3	have	have	VB
39142	417	4	happened	happen	VBN
39142	417	5	that	that	WDT
39142	417	6	would	would	MD
39142	417	7	have	have	VB
39142	417	8	provided	provide	VBN
39142	417	9	a	a	DT
39142	417	10	better	well	JJR
39142	417	11	demonstration	demonstration	NN
39142	417	12	of	of	IN
39142	417	13	the	the	DT
39142	417	14	truth	truth	NN
39142	417	15	of	of	IN
39142	417	16	the	the	DT
39142	417	17	new	new	JJ
39142	417	18	system	system	NN
39142	417	19	and	and	CC
39142	417	20	the	the	DT
39142	417	21	falsity	falsity	NN
39142	417	22	of	of	IN
39142	417	23	the	the	DT
39142	417	24	old	old	JJ
39142	417	25	.	.	.
39142	418	1	His	-PRON-	PRP$
39142	418	2	marvelous	marvelous	JJ
39142	418	3	discoveries	discovery	NNS
39142	418	4	caused	cause	VBD
39142	418	5	the	the	DT
39142	418	6	greatest	great	JJS
39142	418	7	excitement	excitement	NN
39142	418	8	--	--	:
39142	418	9	consternation	consternation	NN
39142	418	10	even	even	RB
39142	418	11	,	,	,
39142	418	12	among	among	IN
39142	418	13	the	the	DT
39142	418	14	anti	anti	NNS
39142	418	15	-	-	NNS
39142	418	16	Copernicans	copernican	NNS
39142	418	17	.	.	.
39142	419	1	Galileo	Galileo	NNP
39142	419	2	published	publish	VBD
39142	419	3	the	the	DT
39142	419	4	"	"	``
39142	419	5	Sidereus	Sidereus	NNP
39142	419	6	Nuncius	Nuncius	NNP
39142	419	7	,	,	,
39142	419	8	"	"	''
39142	419	9	with	with	IN
39142	419	10	many	many	JJ
39142	419	11	observations	observation	NNS
39142	419	12	and	and	CC
39142	419	13	drawings	drawing	NNS
39142	419	14	of	of	IN
39142	419	15	the	the	DT
39142	419	16	moon	moon	NN
39142	419	17	,	,	,
39142	419	18	which	which	WDT
39142	419	19	he	-PRON-	PRP
39142	419	20	showed	show	VBD
39142	419	21	to	to	TO
39142	419	22	be	be	VB
39142	419	23	a	a	DT
39142	419	24	body	body	NN
39142	419	25	not	not	RB
39142	419	26	wholly	wholly	RB
39142	419	27	dissimilar	dissimilar	JJ
39142	419	28	to	to	IN
39142	419	29	the	the	DT
39142	419	30	earth	earth	NN
39142	419	31	:	:	:
39142	419	32	this	this	DT
39142	419	33	,	,	,
39142	419	34	too	too	RB
39142	419	35	,	,	,
39142	419	36	was	be	VBD
39142	419	37	obviously	obviously	RB
39142	419	38	of	of	IN
39142	419	39	great	great	JJ
39142	419	40	moment	moment	NN
39142	419	41	in	in	IN
39142	419	42	corroboration	corroboration	NN
39142	419	43	of	of	IN
39142	419	44	the	the	DT
39142	419	45	Copernican	copernican	JJ
39142	419	46	order	order	NN
39142	419	47	and	and	CC
39142	419	48	in	in	IN
39142	419	49	contradiction	contradiction	NN
39142	419	50	to	to	IN
39142	419	51	the	the	DT
39142	419	52	Ptolemaic	Ptolemaic	NNP
39142	419	53	,	,	,
39142	419	54	which	which	WDT
39142	419	55	maintained	maintain	VBD
39142	419	56	sharp	sharp	JJ
39142	419	57	lines	line	NNS
39142	419	58	of	of	IN
39142	419	59	demarcation	demarcation	NN
39142	419	60	between	between	IN
39142	419	61	things	thing	NNS
39142	419	62	terrestrial	terrestrial	JJ
39142	419	63	and	and	CC
39142	419	64	things	thing	NNS
39142	419	65	celestial	celestial	JJ
39142	419	66	.	.	.
39142	420	1	His	-PRON-	PRP$
39142	420	2	telescopes	telescope	NNS
39142	420	3	,	,	,
39142	420	4	small	small	JJ
39142	420	5	as	as	IN
39142	420	6	they	-PRON-	PRP
39142	420	7	were	be	VBD
39142	420	8	,	,	,
39142	420	9	revealed	reveal	VBD
39142	420	10	to	to	IN
39142	420	11	him	-PRON-	PRP
39142	420	12	anomalous	anomalous	JJ
39142	420	13	appearances	appearance	NNS
39142	420	14	on	on	IN
39142	420	15	both	both	DT
39142	420	16	sides	side	NNS
39142	420	17	of	of	IN
39142	420	18	the	the	DT
39142	420	19	planet	planet	NN
39142	420	20	Saturn	Saturn	NNP
39142	420	21	which	which	WDT
39142	420	22	he	-PRON-	PRP
39142	420	23	called	call	VBD
39142	420	24	_	_	NNP
39142	420	25	ansæ	ansæ	NNS
39142	420	26	_	_	NNP
39142	420	27	,	,	,
39142	420	28	or	or	CC
39142	420	29	handles	handle	NNS
39142	420	30	.	.	.
39142	421	1	But	but	CC
39142	421	2	their	-PRON-	PRP$
39142	421	3	subsequent	subsequent	JJ
39142	421	4	disappearance	disappearance	NN
39142	421	5	was	be	VBD
39142	421	6	unaccountable	unaccountable	JJ
39142	421	7	to	to	IN
39142	421	8	him	-PRON-	PRP
39142	421	9	,	,	,
39142	421	10	and	and	CC
39142	421	11	later	later	JJ
39142	421	12	observers	observer	NNS
39142	421	13	,	,	,
39142	421	14	who	who	WP
39142	421	15	kept	keep	VBD
39142	421	16	on	on	RP
39142	421	17	guessing	guess	VBG
39142	421	18	ineffectively	ineffectively	RB
39142	421	19	till	till	IN
39142	421	20	Huygens	Huygens	NNP
39142	421	21	,	,	,
39142	421	22	nearly	nearly	RB
39142	421	23	a	a	DT
39142	421	24	half	half	JJ
39142	421	25	century	century	NN
39142	421	26	after	after	RB
39142	421	27	,	,	,
39142	421	28	showed	show	VBD
39142	421	29	that	that	IN
39142	421	30	the	the	DT
39142	421	31	true	true	JJ
39142	421	32	nature	nature	NN
39142	421	33	of	of	IN
39142	421	34	the	the	DT
39142	421	35	appendage	appendage	NN
39142	421	36	was	be	VBD
39142	421	37	a	a	DT
39142	421	38	ring	ring	NN
39142	421	39	.	.	.
39142	422	1	Spots	spot	NNS
39142	422	2	on	on	IN
39142	422	3	the	the	DT
39142	422	4	sun	sun	NN
39142	422	5	were	be	VBD
39142	422	6	frequently	frequently	RB
39142	422	7	observed	observe	VBN
39142	422	8	by	by	IN
39142	422	9	Galileo	Galileo	NNP
39142	422	10	and	and	CC
39142	422	11	led	lead	VBD
39142	422	12	to	to	IN
39142	422	13	bitter	bitter	JJ
39142	422	14	controversies	controversy	NNS
39142	422	15	.	.	.
39142	423	1	He	-PRON-	PRP
39142	423	2	proved	prove	VBD
39142	423	3	,	,	,
39142	423	4	however	however	RB
39142	423	5	,	,	,
39142	423	6	that	that	IN
39142	423	7	they	-PRON-	PRP
39142	423	8	were	be	VBD
39142	423	9	objects	object	NNS
39142	423	10	on	on	IN
39142	423	11	the	the	DT
39142	423	12	sun	sun	NN
39142	423	13	itself	-PRON-	PRP
39142	423	14	,	,	,
39142	423	15	not	not	RB
39142	423	16	outside	outside	IN
39142	423	17	it	-PRON-	PRP
39142	423	18	,	,	,
39142	423	19	and	and	CC
39142	423	20	by	by	IN
39142	423	21	noticing	notice	VBG
39142	423	22	their	-PRON-	PRP$
39142	423	23	repeated	repeat	VBN
39142	423	24	transits	transit	NNS
39142	423	25	across	across	IN
39142	423	26	the	the	DT
39142	423	27	sun	sun	NN
39142	423	28	's	's	POS
39142	423	29	disk	disk	NN
39142	423	30	,	,	,
39142	423	31	he	-PRON-	PRP
39142	423	32	showed	show	VBD
39142	423	33	that	that	IN
39142	423	34	the	the	DT
39142	423	35	sun	sun	NN
39142	423	36	turned	turn	VBD
39142	423	37	round	round	RB
39142	423	38	on	on	IN
39142	423	39	his	-PRON-	PRP$
39142	423	40	axis	axis	NN
39142	423	41	in	in	IN
39142	423	42	a	a	DT
39142	423	43	little	little	JJ
39142	423	44	less	less	JJR
39142	423	45	than	than	IN
39142	423	46	a	a	DT
39142	423	47	month	month	NN
39142	423	48	--	--	:
39142	423	49	another	another	DT
39142	423	50	analogy	analogy	NN
39142	423	51	to	to	IN
39142	423	52	the	the	DT
39142	423	53	like	like	JJ
39142	423	54	motion	motion	NN
39142	423	55	of	of	IN
39142	423	56	the	the	DT
39142	423	57	earth	earth	NN
39142	423	58	on	on	IN
39142	423	59	the	the	DT
39142	423	60	Copernican	copernican	JJ
39142	423	61	plan	plan	NN
39142	423	62	.	.	.
39142	424	1	Galileo	Galileo	NNP
39142	424	2	's	's	POS
39142	424	3	appointment	appointment	NN
39142	424	4	in	in	IN
39142	424	5	1610	1610	CD
39142	424	6	as	as	IN
39142	424	7	"	"	``
39142	424	8	First	First	NNP
39142	424	9	Philosopher	Philosopher	NNP
39142	424	10	and	and	CC
39142	424	11	Mathematician	Mathematician	NNP
39142	424	12	"	"	''
39142	424	13	to	to	IN
39142	424	14	the	the	DT
39142	424	15	Grand	Grand	NNP
39142	424	16	Duke	Duke	NNP
39142	424	17	of	of	IN
39142	424	18	Tuscany	Tuscany	NNP
39142	424	19	gave	give	VBD
39142	424	20	him	-PRON-	PRP
39142	424	21	abundant	abundant	JJ
39142	424	22	time	time	NN
39142	424	23	for	for	IN
39142	424	24	the	the	DT
39142	424	25	pursuit	pursuit	NN
39142	424	26	of	of	IN
39142	424	27	original	original	JJ
39142	424	28	investigations	investigation	NNS
39142	424	29	and	and	CC
39142	424	30	the	the	DT
39142	424	31	preparation	preparation	NN
39142	424	32	of	of	IN
39142	424	33	books	book	NNS
39142	424	34	and	and	CC
39142	424	35	pamphlets	pamphlet	NNS
39142	424	36	.	.	.
39142	425	1	His	-PRON-	PRP$
39142	425	2	first	first	JJ
39142	425	3	visit	visit	NN
39142	425	4	to	to	IN
39142	425	5	Rome	Rome	NNP
39142	425	6	the	the	DT
39142	425	7	year	year	NN
39142	425	8	following	follow	VBG
39142	425	9	was	be	VBD
39142	425	10	the	the	DT
39142	425	11	occasion	occasion	NN
39142	425	12	of	of	IN
39142	425	13	a	a	DT
39142	425	14	reception	reception	NN
39142	425	15	with	with	IN
39142	425	16	great	great	JJ
39142	425	17	honor	honor	NN
39142	425	18	by	by	IN
39142	425	19	many	many	JJ
39142	425	20	cardinals	cardinal	NNS
39142	425	21	and	and	CC
39142	425	22	others	other	NNS
39142	425	23	of	of	IN
39142	425	24	high	high	JJ
39142	425	25	rank	rank	NN
39142	425	26	.	.	.
39142	426	1	His	-PRON-	PRP$
39142	426	2	lack	lack	NN
39142	426	3	of	of	IN
39142	426	4	sympathy	sympathy	NN
39142	426	5	with	with	IN
39142	426	6	others	other	NNS
39142	426	7	whose	whose	WP$
39142	426	8	views	view	NNS
39142	426	9	differed	differ	VBN
39142	426	10	from	from	IN
39142	426	11	his	-PRON-	PRP
39142	426	12	,	,	,
39142	426	13	and	and	CC
39142	426	14	his	-PRON-	PRP$
39142	426	15	naturally	naturally	RB
39142	426	16	controversial	controversial	JJ
39142	426	17	spirit	spirit	NN
39142	426	18	,	,	,
39142	426	19	had	have	VBD
39142	426	20	begun	begin	VBN
39142	426	21	to	to	TO
39142	426	22	lead	lead	VB
39142	426	23	him	-PRON-	PRP
39142	426	24	headlong	headlong	RB
39142	426	25	into	into	IN
39142	426	26	controversies	controversy	NNS
39142	426	27	with	with	IN
39142	426	28	the	the	DT
39142	426	29	Jesuits	Jesuits	NNPS
39142	426	30	and	and	CC
39142	426	31	the	the	DT
39142	426	32	church	church	NN
39142	426	33	,	,	,
39142	426	34	which	which	WDT
39142	426	35	culminated	culminate	VBD
39142	426	36	in	in	IN
39142	426	37	his	-PRON-	PRP$
39142	426	38	censure	censure	NN
39142	426	39	by	by	IN
39142	426	40	the	the	DT
39142	426	41	authorities	authority	NNS
39142	426	42	of	of	IN
39142	426	43	the	the	DT
39142	426	44	church	church	NN
39142	426	45	and	and	CC
39142	426	46	persecution	persecution	NN
39142	426	47	by	by	IN
39142	426	48	the	the	DT
39142	426	49	Inquisition	Inquisition	NNP
39142	426	50	.	.	.
39142	427	1	In	in	IN
39142	427	2	1618	1618	CD
39142	427	3	three	three	CD
39142	427	4	comets	comet	NNS
39142	427	5	appeared	appear	VBD
39142	427	6	,	,	,
39142	427	7	and	and	CC
39142	427	8	Galileo	Galileo	NNP
39142	427	9	was	be	VBD
39142	427	10	again	again	RB
39142	427	11	in	in	IN
39142	427	12	controversial	controversial	JJ
39142	427	13	hot	hot	JJ
39142	427	14	water	water	NN
39142	427	15	with	with	IN
39142	427	16	the	the	DT
39142	427	17	Jesuits	Jesuits	NNPS
39142	427	18	.	.	.
39142	428	1	But	but	CC
39142	428	2	it	-PRON-	PRP
39142	428	3	led	lead	VBD
39142	428	4	to	to	IN
39142	428	5	the	the	DT
39142	428	6	publication	publication	NN
39142	428	7	five	five	CD
39142	428	8	years	year	NNS
39142	428	9	later	later	RB
39142	428	10	of	of	IN
39142	428	11	"	"	``
39142	428	12	Il	Il	NNP
39142	428	13	Saggiatore	Saggiatore	NNP
39142	428	14	"	"	''
39142	428	15	(	(	-LRB-
39142	428	16	The	the	DT
39142	428	17	Assayer	Assayer	NNP
39142	428	18	)	)	-RRB-
39142	428	19	,	,	,
39142	428	20	of	of	IN
39142	428	21	no	no	DT
39142	428	22	great	great	JJ
39142	428	23	scientific	scientific	JJ
39142	428	24	value	value	NN
39142	428	25	,	,	,
39142	428	26	but	but	CC
39142	428	27	only	only	RB
39142	428	28	a	a	DT
39142	428	29	brilliant	brilliant	JJ
39142	428	30	bit	bit	NN
39142	428	31	of	of	IN
39142	428	32	controversial	controversial	JJ
39142	428	33	literature	literature	NN
39142	428	34	dedicated	dedicate	VBN
39142	428	35	to	to	IN
39142	428	36	the	the	DT
39142	428	37	newly	newly	RB
39142	428	38	elevated	elevate	VBN
39142	428	39	Pope	Pope	NNP
39142	428	40	,	,	,
39142	428	41	Urban	Urban	NNP
39142	428	42	VIII	VIII	NNP
39142	428	43	.	.	.
39142	429	1	Later	later	RBR
39142	429	2	he	-PRON-	PRP
39142	429	3	wrote	write	VBD
39142	429	4	through	through	IN
39142	429	5	several	several	JJ
39142	429	6	years	year	NNS
39142	429	7	a	a	DT
39142	429	8	great	great	JJ
39142	429	9	treatise	treatise	NN
39142	429	10	,	,	,
39142	429	11	more	more	RBR
39142	429	12	or	or	CC
39142	429	13	less	less	RBR
39142	429	14	controversial	controversial	JJ
39142	429	15	in	in	IN
39142	429	16	character	character	NN
39142	429	17	,	,	,
39142	429	18	entitled	entitle	VBD
39142	429	19	a	a	DT
39142	429	20	"	"	``
39142	429	21	Dialogue	Dialogue	NNP
39142	429	22	on	on	IN
39142	429	23	the	the	DT
39142	429	24	Two	Two	NNP
39142	429	25	Chief	Chief	NNP
39142	429	26	Systems	Systems	NNPS
39142	429	27	of	of	IN
39142	429	28	the	the	DT
39142	429	29	World	World	NNP
39142	429	30	"	"	''
39142	429	31	between	between	IN
39142	429	32	three	three	CD
39142	429	33	speakers	speaker	NNS
39142	429	34	,	,	,
39142	429	35	and	and	CC
39142	429	36	extending	extend	VBG
39142	429	37	through	through	IN
39142	429	38	four	four	CD
39142	429	39	successive	successive	JJ
39142	429	40	days	day	NNS
39142	429	41	.	.	.
39142	430	1	Simplicio	Simplicio	NNP
39142	430	2	argues	argue	VBZ
39142	430	3	for	for	IN
39142	430	4	the	the	DT
39142	430	5	Aristotelians	Aristotelians	NNPS
39142	430	6	,	,	,
39142	430	7	Salviati	Salviati	NNPS
39142	430	8	for	for	IN
39142	430	9	the	the	DT
39142	430	10	Copernicans	Copernicans	NNPS
39142	430	11	,	,	,
39142	430	12	while	while	IN
39142	430	13	Sagredo	Sagredo	NNP
39142	430	14	does	do	VBZ
39142	430	15	his	-PRON-	PRP$
39142	430	16	best	good	JJS
39142	430	17	to	to	TO
39142	430	18	be	be	VB
39142	430	19	neutral	neutral	JJ
39142	430	20	.	.	.
39142	431	1	It	-PRON-	PRP
39142	431	2	will	will	MD
39142	431	3	always	always	RB
39142	431	4	be	be	VB
39142	431	5	a	a	DT
39142	431	6	very	very	RB
39142	431	7	readable	readable	JJ
39142	431	8	book	book	NN
39142	431	9	,	,	,
39142	431	10	and	and	CC
39142	431	11	we	-PRON-	PRP
39142	431	12	are	be	VBP
39142	431	13	fortunate	fortunate	JJ
39142	431	14	to	to	TO
39142	431	15	have	have	VB
39142	431	16	a	a	DT
39142	431	17	recent	recent	JJ
39142	431	18	translation	translation	NN
39142	431	19	by	by	IN
39142	431	20	Professor	Professor	NNP
39142	431	21	Crew	Crew	NNP
39142	431	22	of	of	IN
39142	431	23	Evanston	Evanston	NNP
39142	431	24	.	.	.
39142	432	1	Here	here	RB
39142	432	2	we	-PRON-	PRP
39142	432	3	find	find	VBP
39142	432	4	the	the	DT
39142	432	5	first	first	JJ
39142	432	6	suggestion	suggestion	NN
39142	432	7	of	of	IN
39142	432	8	the	the	DT
39142	432	9	modern	modern	JJ
39142	432	10	method	method	NN
39142	432	11	of	of	IN
39142	432	12	getting	get	VBG
39142	432	13	stellar	stellar	JJ
39142	432	14	parallaxes	parallax	NNS
39142	432	15	,	,	,
39142	432	16	the	the	DT
39142	432	17	relative	relative	JJ
39142	432	18	parallax	parallax	NN
39142	432	19	,	,	,
39142	432	20	that	that	RB
39142	432	21	is	is	RB
39142	432	22	,	,	,
39142	432	23	of	of	IN
39142	432	24	two	two	CD
39142	432	25	stars	star	NNS
39142	432	26	in	in	IN
39142	432	27	the	the	DT
39142	432	28	same	same	JJ
39142	432	29	field	field	NN
39142	432	30	--	--	:
39142	432	31	a	a	DT
39142	432	32	method	method	NN
39142	432	33	not	not	RB
39142	432	34	put	put	VBN
39142	432	35	into	into	IN
39142	432	36	service	service	NN
39142	432	37	till	till	IN
39142	432	38	Bessel	Bessel	NNP
39142	432	39	's	's	POS
39142	432	40	time	time	NN
39142	432	41	,	,	,
39142	432	42	two	two	CD
39142	432	43	centuries	century	NNS
39142	432	44	later	later	RB
39142	432	45	.	.	.
39142	433	1	But	but	CC
39142	433	2	the	the	DT
39142	433	3	most	most	RBS
39142	433	4	important	important	JJ
39142	433	5	chapters	chapter	NNS
39142	433	6	of	of	IN
39142	433	7	the	the	DT
39142	433	8	"	"	``
39142	433	9	Dialogue	Dialogue	NNP
39142	433	10	"	"	''
39142	433	11	deal	deal	NN
39142	433	12	with	with	IN
39142	433	13	Galileo	Galileo	NNP
39142	433	14	's	's	POS
39142	433	15	investigations	investigation	NNS
39142	433	16	of	of	IN
39142	433	17	the	the	DT
39142	433	18	laws	law	NNS
39142	433	19	of	of	IN
39142	433	20	motion	motion	NN
39142	433	21	of	of	IN
39142	433	22	bodies	body	NNS
39142	433	23	in	in	IN
39142	433	24	general	general	JJ
39142	433	25	,	,	,
39142	433	26	which	which	WDT
39142	433	27	he	-PRON-	PRP
39142	433	28	applied	apply	VBD
39142	433	29	to	to	IN
39142	433	30	the	the	DT
39142	433	31	problem	problem	NN
39142	433	32	of	of	IN
39142	433	33	the	the	DT
39142	433	34	earth	earth	NN
39142	433	35	's	's	POS
39142	433	36	motion	motion	NN
39142	433	37	.	.	.
39142	434	1	In	in	IN
39142	434	2	this	this	DT
39142	434	3	he	-PRON-	PRP
39142	434	4	really	really	RB
39142	434	5	anticipated	anticipate	VBD
39142	434	6	Newton	Newton	NNP
39142	434	7	in	in	IN
39142	434	8	the	the	DT
39142	434	9	first	first	JJ
39142	434	10	of	of	IN
39142	434	11	his	-PRON-	PRP$
39142	434	12	three	three	CD
39142	434	13	laws	law	NNS
39142	434	14	of	of	IN
39142	434	15	motion	motion	NN
39142	434	16	,	,	,
39142	434	17	and	and	CC
39142	434	18	in	in	IN
39142	434	19	a	a	DT
39142	434	20	subsequent	subsequent	JJ
39142	434	21	work	work	NN
39142	434	22	,	,	,
39142	434	23	dealing	deal	VBG
39142	434	24	with	with	IN
39142	434	25	the	the	DT
39142	434	26	theory	theory	NN
39142	434	27	of	of	IN
39142	434	28	projectiles	projectile	NNS
39142	434	29	,	,	,
39142	434	30	he	-PRON-	PRP
39142	434	31	reaches	reach	VBZ
39142	434	32	substantially	substantially	RB
39142	434	33	the	the	DT
39142	434	34	results	result	NNS
39142	434	35	of	of	IN
39142	434	36	Newton	Newton	NNP
39142	434	37	's	's	POS
39142	434	38	second	second	JJ
39142	434	39	law	law	NN
39142	434	40	of	of	IN
39142	434	41	motion	motion	NN
39142	434	42	,	,	,
39142	434	43	although	although	IN
39142	434	44	he	-PRON-	PRP
39142	434	45	gave	give	VBD
39142	434	46	no	no	DT
39142	434	47	general	general	JJ
39142	434	48	statement	statement	NN
39142	434	49	of	of	IN
39142	434	50	the	the	DT
39142	434	51	principle	principle	NN
39142	434	52	.	.	.
39142	435	1	Nevertheless	nevertheless	RB
39142	435	2	,	,	,
39142	435	3	in	in	IN
39142	435	4	the	the	DT
39142	435	5	epoch	epoch	NN
39142	435	6	where	where	WRB
39142	435	7	his	-PRON-	PRP$
39142	435	8	life	life	NN
39142	435	9	was	be	VBD
39142	435	10	lived	live	VBN
39142	435	11	and	and	CC
39142	435	12	his	-PRON-	PRP$
39142	435	13	work	work	NN
39142	435	14	done	do	VBN
39142	435	15	,	,	,
39142	435	16	his	-PRON-	PRP$
39142	435	17	telescopic	telescopic	JJ
39142	435	18	discoveries	discovery	NNS
39142	435	19	,	,	,
39142	435	20	combined	combine	VBN
39142	435	21	with	with	IN
39142	435	22	his	-PRON-	PRP$
39142	435	23	dynamic	dynamic	JJ
39142	435	24	researches	research	NNS
39142	435	25	in	in	IN
39142	435	26	untrodden	untrodden	JJ
39142	435	27	fields	field	NNS
39142	435	28	,	,	,
39142	435	29	resulted	result	VBD
39142	435	30	in	in	IN
39142	435	31	the	the	DT
39142	435	32	complete	complete	JJ
39142	435	33	and	and	CC
39142	435	34	final	final	JJ
39142	435	35	overthrow	overthrow	NN
39142	435	36	of	of	IN
39142	435	37	the	the	DT
39142	435	38	ancient	ancient	JJ
39142	435	39	system	system	NN
39142	435	40	of	of	IN
39142	435	41	error	error	NN
39142	435	42	,	,	,
39142	435	43	and	and	CC
39142	435	44	the	the	DT
39142	435	45	secure	secure	JJ
39142	435	46	establishment	establishment	NN
39142	435	47	of	of	IN
39142	435	48	the	the	DT
39142	435	49	Copernican	copernican	JJ
39142	435	50	system	system	NN
39142	435	51	beyond	beyond	IN
39142	435	52	further	further	JJ
39142	435	53	question	question	NN
39142	435	54	and	and	CC
39142	435	55	discussion	discussion	NN
39142	435	56	.	.	.
39142	436	1	Only	only	RB
39142	436	2	then	then	RB
39142	436	3	could	could	MD
39142	436	4	the	the	DT
39142	436	5	science	science	NN
39142	436	6	of	of	IN
39142	436	7	astronomy	astronomy	NN
39142	436	8	proceed	proceed	NN
39142	436	9	unhampered	unhampered	JJ
39142	436	10	to	to	IN
39142	436	11	the	the	DT
39142	436	12	fullest	full	JJS
39142	436	13	development	development	NN
39142	436	14	by	by	IN
39142	436	15	the	the	DT
39142	436	16	master	master	NN
39142	436	17	minds	mind	NNS
39142	436	18	of	of	IN
39142	436	19	succeeding	succeed	VBG
39142	436	20	centuries	century	NNS
39142	436	21	.	.	.
39142	437	1	CHAPTER	chapter	NN
39142	437	2	XII	XII	NNP
39142	437	3	AFTER	after	IN
39142	437	4	THE	the	DT
39142	437	5	GREAT	great	JJ
39142	437	6	MASTERS	master	NNS
39142	437	7	Following	follow	VBG
39142	437	8	Kepler	Kepler	NNP
39142	437	9	and	and	CC
39142	437	10	Galileo	Galileo	NNP
39142	437	11	was	be	VBD
39142	437	12	a	a	DT
39142	437	13	half	half	JJ
39142	437	14	century	century	NN
39142	437	15	of	of	IN
39142	437	16	great	great	JJ
39142	437	17	astronomical	astronomical	JJ
39142	437	18	progress	progress	NN
39142	437	19	along	along	IN
39142	437	20	many	many	JJ
39142	437	21	lines	line	NNS
39142	437	22	laid	lay	VBN
39142	437	23	out	out	RP
39142	437	24	by	by	IN
39142	437	25	the	the	DT
39142	437	26	work	work	NN
39142	437	27	of	of	IN
39142	437	28	the	the	DT
39142	437	29	great	great	JJ
39142	437	30	masters	master	NNS
39142	437	31	.	.	.
39142	438	1	The	the	DT
39142	438	2	telescope	telescope	NN
39142	438	3	seemed	seem	VBD
39142	438	4	only	only	RB
39142	438	5	a	a	DT
39142	438	6	toy	toy	NN
39142	438	7	,	,	,
39142	438	8	but	but	CC
39142	438	9	its	-PRON-	PRP$
39142	438	10	improvement	improvement	NN
39142	438	11	in	in	IN
39142	438	12	size	size	NN
39142	438	13	and	and	CC
39142	438	14	quality	quality	NN
39142	438	15	showed	show	VBD
39142	438	16	almost	almost	RB
39142	438	17	inconceivable	inconceivable	JJ
39142	438	18	possibilities	possibility	NNS
39142	438	19	of	of	IN
39142	438	20	celestial	celestial	JJ
39142	438	21	discoveries	discovery	NNS
39142	438	22	.	.	.
39142	439	1	Hevelius	hevelius	NN
39142	439	2	of	of	IN
39142	439	3	Danzig	Danzig	NNP
39142	439	4	took	take	VBD
39142	439	5	up	up	RP
39142	439	6	the	the	DT
39142	439	7	study	study	NN
39142	439	8	of	of	IN
39142	439	9	the	the	DT
39142	439	10	moon	moon	NN
39142	439	11	,	,	,
39142	439	12	and	and	CC
39142	439	13	his	-PRON-	PRP$
39142	439	14	"	"	``
39142	439	15	Selenographia	Selenographia	NNP
39142	439	16	"	"	''
39142	439	17	was	be	VBD
39142	439	18	finely	finely	RB
39142	439	19	illustrated	illustrate	VBN
39142	439	20	by	by	IN
39142	439	21	plates	plate	NNS
39142	439	22	which	which	WDT
39142	439	23	he	-PRON-	PRP
39142	439	24	not	not	RB
39142	439	25	only	only	RB
39142	439	26	drew	draw	VBD
39142	439	27	but	but	CC
39142	439	28	engraved	engrave	VBD
39142	439	29	himself	-PRON-	PRP
39142	439	30	.	.	.
39142	440	1	Lunar	lunar	JJ
39142	440	2	names	name	NNS
39142	440	3	of	of	IN
39142	440	4	mountains	mountain	NNS
39142	440	5	,	,	,
39142	440	6	plains	plain	NNS
39142	440	7	,	,	,
39142	440	8	and	and	CC
39142	440	9	craters	crater	NNS
39142	440	10	we	-PRON-	PRP
39142	440	11	owe	owe	VBP
39142	440	12	very	very	RB
39142	440	13	largely	largely	RB
39142	440	14	to	to	IN
39142	440	15	him	-PRON-	PRP
39142	440	16	.	.	.
39142	441	1	Also	also	RB
39142	441	2	he	-PRON-	PRP
39142	441	3	published	publish	VBD
39142	441	4	among	among	IN
39142	441	5	other	other	JJ
39142	441	6	works	work	NNS
39142	441	7	two	two	CD
39142	441	8	on	on	IN
39142	441	9	comets	comet	NNS
39142	441	10	,	,	,
39142	441	11	the	the	DT
39142	441	12	second	second	JJ
39142	441	13	of	of	IN
39142	441	14	which	which	WDT
39142	441	15	was	be	VBD
39142	441	16	published	publish	VBN
39142	441	17	in	in	IN
39142	441	18	1668	1668	CD
39142	441	19	and	and	CC
39142	441	20	called	call	VBD
39142	441	21	the	the	DT
39142	441	22	"	"	``
39142	441	23	Cometographia	Cometographia	NNP
39142	441	24	,	,	,
39142	441	25	"	"	''
39142	441	26	the	the	DT
39142	441	27	first	first	JJ
39142	441	28	detailed	detailed	JJ
39142	441	29	account	account	NN
39142	441	30	of	of	IN
39142	441	31	all	all	PDT
39142	441	32	the	the	DT
39142	441	33	comets	comet	NNS
39142	441	34	observed	observe	VBD
39142	441	35	and	and	CC
39142	441	36	recorded	record	VBN
39142	441	37	to	to	IN
39142	441	38	date	date	NN
39142	441	39	.	.	.
39142	442	1	Many	many	JJ
39142	442	2	were	be	VBD
39142	442	3	the	the	DT
39142	442	4	telescopes	telescope	NNS
39142	442	5	turned	turn	VBD
39142	442	6	on	on	RP
39142	442	7	the	the	DT
39142	442	8	planet	planet	NN
39142	442	9	Saturn	Saturn	NNP
39142	442	10	,	,	,
39142	442	11	and	and	CC
39142	442	12	every	every	DT
39142	442	13	variety	variety	NN
39142	442	14	of	of	IN
39142	442	15	guess	guess	NN
39142	442	16	was	be	VBD
39142	442	17	made	make	VBN
39142	442	18	as	as	IN
39142	442	19	to	to	IN
39142	442	20	the	the	DT
39142	442	21	actual	actual	JJ
39142	442	22	shape	shape	NN
39142	442	23	and	and	CC
39142	442	24	physical	physical	JJ
39142	442	25	nature	nature	NN
39142	442	26	of	of	IN
39142	442	27	the	the	DT
39142	442	28	weird	weird	JJ
39142	442	29	appendages	appendage	NNS
39142	442	30	discovered	discover	VBN
39142	442	31	by	by	IN
39142	442	32	Galileo	Galileo	NNP
39142	442	33	.	.	.
39142	443	1	The	the	DT
39142	443	2	true	true	JJ
39142	443	3	solution	solution	NN
39142	443	4	was	be	VBD
39142	443	5	finally	finally	RB
39142	443	6	reached	reach	VBN
39142	443	7	by	by	IN
39142	443	8	Huygens	Huygens	NNP
39142	443	9	,	,	,
39142	443	10	whose	whose	WP$
39142	443	11	mechanical	mechanical	JJ
39142	443	12	genius	genius	NN
39142	443	13	had	have	VBD
39142	443	14	enabled	enable	VBN
39142	443	15	him	-PRON-	PRP
39142	443	16	to	to	TO
39142	443	17	grind	grind	VB
39142	443	18	and	and	CC
39142	443	19	polish	polish	VB
39142	443	20	larger	large	JJR
39142	443	21	and	and	CC
39142	443	22	better	well	JJR
39142	443	23	lenses	lense	NNS
39142	443	24	than	than	IN
39142	443	25	his	-PRON-	PRP$
39142	443	26	contemporaries	contemporary	NNS
39142	443	27	;	;	:
39142	443	28	in	in	IN
39142	443	29	1659	1659	CD
39142	443	30	he	-PRON-	PRP
39142	443	31	published	publish	VBD
39142	443	32	the	the	DT
39142	443	33	"	"	``
39142	443	34	Systema	Systema	NNP
39142	443	35	Saturnium	Saturnium	NNP
39142	443	36	"	"	''
39142	443	37	interpreting	interpret	VBG
39142	443	38	the	the	DT
39142	443	39	ring	ring	NN
39142	443	40	and	and	CC
39142	443	41	the	the	DT
39142	443	42	cause	cause	NN
39142	443	43	of	of	IN
39142	443	44	its	-PRON-	PRP$
39142	443	45	various	various	JJ
39142	443	46	configurations	configuration	NNS
39142	443	47	,	,	,
39142	443	48	and	and	CC
39142	443	49	the	the	DT
39142	443	50	first	first	JJ
39142	443	51	discovery	discovery	NN
39142	443	52	of	of	IN
39142	443	53	a	a	DT
39142	443	54	Saturnian	saturnian	JJ
39142	443	55	satellite	satellite	NN
39142	443	56	is	be	VBZ
39142	443	57	due	due	JJ
39142	443	58	to	to	IN
39142	443	59	him	-PRON-	PRP
39142	443	60	.	.	.
39142	444	1	Gascoigne	Gascoigne	NNP
39142	444	2	in	in	IN
39142	444	3	England	England	NNP
39142	444	4	about	about	IN
39142	444	5	1640	1640	CD
39142	444	6	was	be	VBD
39142	444	7	the	the	DT
39142	444	8	first	first	JJ
39142	444	9	to	to	TO
39142	444	10	make	make	VB
39142	444	11	the	the	DT
39142	444	12	important	important	JJ
39142	444	13	application	application	NN
39142	444	14	of	of	IN
39142	444	15	the	the	DT
39142	444	16	micrometer	micrometer	NN
39142	444	17	to	to	TO
39142	444	18	enhance	enhance	VB
39142	444	19	the	the	DT
39142	444	20	accuracy	accuracy	NN
39142	444	21	of	of	IN
39142	444	22	measurement	measurement	NN
39142	444	23	of	of	IN
39142	444	24	small	small	JJ
39142	444	25	angles	angle	NNS
39142	444	26	in	in	IN
39142	444	27	the	the	DT
39142	444	28	telescopic	telescopic	JJ
39142	444	29	field	field	NN
39142	444	30	;	;	:
39142	444	31	an	an	DT
39142	444	32	invention	invention	NN
39142	444	33	made	make	VBD
39142	444	34	and	and	CC
39142	444	35	applied	apply	VBD
39142	444	36	independently	independently	RB
39142	444	37	many	many	JJ
39142	444	38	years	year	NNS
39142	444	39	later	later	RB
39142	444	40	by	by	IN
39142	444	41	Huygens	Huygens	NNPS
39142	444	42	in	in	IN
39142	444	43	Holland	Holland	NNP
39142	444	44	and	and	CC
39142	444	45	Auzout	Auzout	NNP
39142	444	46	and	and	CC
39142	444	47	Picard	Picard	NNP
39142	444	48	in	in	IN
39142	444	49	France	France	NNP
39142	444	50	,	,	,
39142	444	51	where	where	WRB
39142	444	52	the	the	DT
39142	444	53	instrument	instrument	NN
39142	444	54	was	be	VBD
39142	444	55	first	first	RB
39142	444	56	regularly	regularly	RB
39142	444	57	employed	employ	VBN
39142	444	58	as	as	IN
39142	444	59	an	an	DT
39142	444	60	accessory	accessory	NN
39142	444	61	in	in	IN
39142	444	62	the	the	DT
39142	444	63	work	work	NN
39142	444	64	of	of	IN
39142	444	65	an	an	DT
39142	444	66	observatory	observatory	NN
39142	444	67	.	.	.
39142	445	1	Another	another	DT
39142	445	2	Englishman	Englishman	NNP
39142	445	3	,	,	,
39142	445	4	Jeremiah	Jeremiah	NNP
39142	445	5	Horrocks	Horrocks	NNP
39142	445	6	,	,	,
39142	445	7	was	be	VBD
39142	445	8	the	the	DT
39142	445	9	first	first	JJ
39142	445	10	observer	observer	NN
39142	445	11	of	of	IN
39142	445	12	a	a	DT
39142	445	13	transit	transit	NN
39142	445	14	of	of	IN
39142	445	15	Venus	Venus	NNP
39142	445	16	over	over	IN
39142	445	17	the	the	DT
39142	445	18	disk	disk	NN
39142	445	19	of	of	IN
39142	445	20	the	the	DT
39142	445	21	sun	sun	NN
39142	445	22	,	,	,
39142	445	23	in	in	IN
39142	445	24	1639	1639	CD
39142	445	25	.	.	.
39142	446	1	Horrocks	Horrocks	NNP
39142	446	2	was	be	VBD
39142	446	3	possessed	possess	VBN
39142	446	4	of	of	IN
39142	446	5	great	great	JJ
39142	446	6	ability	ability	NN
39142	446	7	in	in	IN
39142	446	8	calculational	calculational	JJ
39142	446	9	astronomy	astronomy	NN
39142	446	10	also	also	RB
39142	446	11	.	.	.
39142	447	1	This	this	DT
39142	447	2	was	be	VBD
39142	447	3	about	about	IN
39142	447	4	the	the	DT
39142	447	5	time	time	NN
39142	447	6	of	of	IN
39142	447	7	the	the	DT
39142	447	8	invention	invention	NN
39142	447	9	of	of	IN
39142	447	10	the	the	DT
39142	447	11	pendulum	pendulum	NN
39142	447	12	clock	clock	NN
39142	447	13	by	by	IN
39142	447	14	Huygens	Huygens	NNP
39142	447	15	,	,	,
39142	447	16	which	which	WDT
39142	447	17	in	in	IN
39142	447	18	conjunction	conjunction	NN
39142	447	19	with	with	IN
39142	447	20	the	the	DT
39142	447	21	later	later	JJ
39142	447	22	invention	invention	NN
39142	447	23	of	of	IN
39142	447	24	the	the	DT
39142	447	25	transit	transit	NN
39142	447	26	instrument	instrument	NN
39142	447	27	by	by	IN
39142	447	28	Roemer	Roemer	NNP
39142	447	29	wrought	work	VBD
39142	447	30	a	a	DT
39142	447	31	revolution	revolution	NN
39142	447	32	in	in	IN
39142	447	33	the	the	DT
39142	447	34	exacting	exact	VBG
39142	447	35	art	art	NN
39142	447	36	of	of	IN
39142	447	37	practical	practical	JJ
39142	447	38	astronomy	astronomy	NN
39142	447	39	.	.	.
39142	448	1	This	this	DT
39142	448	2	was	be	VBD
39142	448	3	because	because	IN
39142	448	4	it	-PRON-	PRP
39142	448	5	enabled	enable	VBD
39142	448	6	the	the	DT
39142	448	7	time	time	NN
39142	448	8	to	to	TO
39142	448	9	be	be	VB
39142	448	10	carried	carry	VBN
39142	448	11	along	along	RB
39142	448	12	continuously	continuously	RB
39142	448	13	,	,	,
39142	448	14	and	and	CC
39142	448	15	the	the	DT
39142	448	16	revolution	revolution	NN
39142	448	17	of	of	IN
39142	448	18	the	the	DT
39142	448	19	earth	earth	NN
39142	448	20	could	could	MD
39142	448	21	be	be	VB
39142	448	22	utilized	utilize	VBN
39142	448	23	in	in	IN
39142	448	24	making	make	VBG
39142	448	25	precise	precise	JJ
39142	448	26	measures	measure	NNS
39142	448	27	of	of	IN
39142	448	28	the	the	DT
39142	448	29	position	position	NN
39142	448	30	of	of	IN
39142	448	31	sun	sun	NN
39142	448	32	,	,	,
39142	448	33	moon	moon	NN
39142	448	34	,	,	,
39142	448	35	and	and	CC
39142	448	36	stars	star	NNS
39142	448	37	.	.	.
39142	449	1	Louis	Louis	NNP
39142	449	2	XIV	XIV	NNP
39142	449	3	had	have	VBD
39142	449	4	just	just	RB
39142	449	5	founded	found	VBN
39142	449	6	the	the	DT
39142	449	7	new	new	JJ
39142	449	8	Observatory	Observatory	NNP
39142	449	9	at	at	IN
39142	449	10	Paris	Paris	NNP
39142	449	11	in	in	IN
39142	449	12	1668	1668	CD
39142	449	13	,	,	,
39142	449	14	and	and	CC
39142	449	15	Picard	Picard	NNP
39142	449	16	was	be	VBD
39142	449	17	the	the	DT
39142	449	18	first	first	JJ
39142	449	19	to	to	TO
39142	449	20	establish	establish	VB
39142	449	21	regular	regular	JJ
39142	449	22	time	time	NN
39142	449	23	-	-	HYPH
39142	449	24	observations	observation	NNS
39142	449	25	there	there	RB
39142	449	26	.	.	.
39142	450	1	Huygens	huygen	NNS
39142	450	2	followed	follow	VBD
39142	450	3	up	up	RP
39142	450	4	the	the	DT
39142	450	5	motion	motion	NN
39142	450	6	of	of	IN
39142	450	7	the	the	DT
39142	450	8	pendulum	pendulum	NN
39142	450	9	in	in	IN
39142	450	10	theory	theory	NN
39142	450	11	as	as	RB
39142	450	12	well	well	RB
39142	450	13	as	as	IN
39142	450	14	practice	practice	NN
39142	450	15	in	in	IN
39142	450	16	his	-PRON-	PRP$
39142	450	17	"	"	``
39142	450	18	Horologium	Horologium	NNP
39142	450	19	Oscillatorium	Oscillatorium	NNP
39142	450	20	"	"	''
39142	450	21	(	(	-LRB-
39142	450	22	1673	1673	CD
39142	450	23	)	)	-RRB-
39142	450	24	,	,	,
39142	450	25	showing	show	VBG
39142	450	26	the	the	DT
39142	450	27	way	way	NN
39142	450	28	to	to	TO
39142	450	29	measure	measure	VB
39142	450	30	the	the	DT
39142	450	31	force	force	NN
39142	450	32	of	of	IN
39142	450	33	gravity	gravity	NN
39142	450	34	,	,	,
39142	450	35	and	and	CC
39142	450	36	his	-PRON-	PRP$
39142	450	37	study	study	NN
39142	450	38	of	of	IN
39142	450	39	circular	circular	JJ
39142	450	40	motion	motion	NN
39142	450	41	showed	show	VBD
39142	450	42	the	the	DT
39142	450	43	fundamental	fundamental	JJ
39142	450	44	necessity	necessity	NN
39142	450	45	of	of	IN
39142	450	46	some	some	DT
39142	450	47	force	force	NN
39142	450	48	directed	direct	VBN
39142	450	49	toward	toward	IN
39142	450	50	the	the	DT
39142	450	51	center	center	NN
39142	450	52	in	in	IN
39142	450	53	planetary	planetary	JJ
39142	450	54	motions	motion	NNS
39142	450	55	.	.	.
39142	451	1	The	the	DT
39142	451	2	doctrine	doctrine	NN
39142	451	3	of	of	IN
39142	451	4	the	the	DT
39142	451	5	sphericity	sphericity	NN
39142	451	6	of	of	IN
39142	451	7	the	the	DT
39142	451	8	earth	earth	NN
39142	451	9	being	be	VBG
39142	451	10	no	no	RB
39142	451	11	longer	long	RBR
39142	451	12	in	in	IN
39142	451	13	doubt	doubt	NN
39142	451	14	,	,	,
39142	451	15	the	the	DT
39142	451	16	great	great	JJ
39142	451	17	advance	advance	NN
39142	451	18	in	in	IN
39142	451	19	accuracy	accuracy	NN
39142	451	20	of	of	IN
39142	451	21	astronomical	astronomical	JJ
39142	451	22	observation	observation	NN
39142	451	23	indicated	indicate	VBD
39142	451	24	to	to	IN
39142	451	25	Willebrord	Willebrord	NNP
39142	451	26	Snell	Snell	NNP
39142	451	27	in	in	IN
39142	451	28	Holland	Holland	NNP
39142	451	29	the	the	DT
39142	451	30	best	good	JJS
39142	451	31	way	way	NN
39142	451	32	to	to	TO
39142	451	33	measure	measure	VB
39142	451	34	an	an	DT
39142	451	35	arc	arc	NN
39142	451	36	of	of	IN
39142	451	37	meridian	meridian	NNP
39142	451	38	by	by	IN
39142	451	39	triangulation	triangulation	NN
39142	451	40	.	.	.
39142	452	1	Picard	Picard	NNP
39142	452	2	repeated	repeat	VBD
39142	452	3	the	the	DT
39142	452	4	measurements	measurement	NNS
39142	452	5	near	near	IN
39142	452	6	Paris	Paris	NNP
39142	452	7	with	with	IN
39142	452	8	even	even	RB
39142	452	9	greater	great	JJR
39142	452	10	accuracy	accuracy	NN
39142	452	11	,	,	,
39142	452	12	and	and	CC
39142	452	13	his	-PRON-	PRP$
39142	452	14	results	result	NNS
39142	452	15	were	be	VBD
39142	452	16	of	of	IN
39142	452	17	the	the	DT
39142	452	18	utmost	utmost	JJ
39142	452	19	significance	significance	NN
39142	452	20	to	to	IN
39142	452	21	Newton	Newton	NNP
39142	452	22	in	in	IN
39142	452	23	establishing	establish	VBG
39142	452	24	his	-PRON-	PRP$
39142	452	25	law	law	NN
39142	452	26	of	of	IN
39142	452	27	gravitation	gravitation	NN
39142	452	28	.	.	.
39142	453	1	Domenico	Domenico	NNP
39142	453	2	Cassini	Cassini	NNP
39142	453	3	,	,	,
39142	453	4	an	an	DT
39142	453	5	industrious	industrious	JJ
39142	453	6	observer	observer	NN
39142	453	7	,	,	,
39142	453	8	voluminous	voluminous	JJ
39142	453	9	writer	writer	NN
39142	453	10	,	,	,
39142	453	11	and	and	CC
39142	453	12	a	a	DT
39142	453	13	strong	strong	JJ
39142	453	14	personality	personality	NN
39142	453	15	,	,	,
39142	453	16	devised	devise	VBD
39142	453	17	telescopes	telescope	NNS
39142	453	18	of	of	IN
39142	453	19	great	great	JJ
39142	453	20	size	size	NN
39142	453	21	,	,	,
39142	453	22	discovered	discover	VBD
39142	453	23	four	four	CD
39142	453	24	Saturnian	saturnian	JJ
39142	453	25	satellites	satellite	NNS
39142	453	26	and	and	CC
39142	453	27	the	the	DT
39142	453	28	main	main	JJ
39142	453	29	division	division	NN
39142	453	30	in	in	IN
39142	453	31	the	the	DT
39142	453	32	ring	ring	NN
39142	453	33	of	of	IN
39142	453	34	Saturn	Saturn	NNP
39142	453	35	,	,	,
39142	453	36	determined	determine	VBD
39142	453	37	the	the	DT
39142	453	38	rotation	rotation	NN
39142	453	39	periods	period	NNS
39142	453	40	of	of	IN
39142	453	41	Mars	Mars	NNP
39142	453	42	and	and	CC
39142	453	43	Jupiter	Jupiter	NNP
39142	453	44	,	,	,
39142	453	45	and	and	CC
39142	453	46	prepared	prepare	VBN
39142	453	47	tables	table	NNS
39142	453	48	of	of	IN
39142	453	49	the	the	DT
39142	453	50	eclipses	eclipse	NNS
39142	453	51	of	of	IN
39142	453	52	Jupiter	Jupiter	NNP
39142	453	53	's	's	POS
39142	453	54	satellites	satellite	NNS
39142	453	55	.	.	.
39142	454	1	At	at	IN
39142	454	2	his	-PRON-	PRP$
39142	454	3	suggestion	suggestion	NN
39142	454	4	Richer	Richer	NNP
39142	454	5	undertook	undertake	VBD
39142	454	6	an	an	DT
39142	454	7	expedition	expedition	NN
39142	454	8	to	to	IN
39142	454	9	Cayenne	Cayenne	NNP
39142	454	10	in	in	IN
39142	454	11	latitude	latitude	NN
39142	454	12	5	5	CD
39142	454	13	degrees	degree	NNS
39142	454	14	north	north	RB
39142	454	15	,	,	,
39142	454	16	where	where	WRB
39142	454	17	it	-PRON-	PRP
39142	454	18	was	be	VBD
39142	454	19	found	find	VBN
39142	454	20	that	that	IN
39142	454	21	the	the	DT
39142	454	22	intensity	intensity	NN
39142	454	23	of	of	IN
39142	454	24	gravity	gravity	NN
39142	454	25	was	be	VBD
39142	454	26	less	less	JJR
39142	454	27	than	than	IN
39142	454	28	at	at	IN
39142	454	29	Paris	Paris	NNP
39142	454	30	,	,	,
39142	454	31	and	and	CC
39142	454	32	his	-PRON-	PRP$
39142	454	33	clock	clock	NN
39142	454	34	therefore	therefore	RB
39142	454	35	lost	lose	VBD
39142	454	36	time	time	NN
39142	454	37	,	,	,
39142	454	38	thus	thus	RB
39142	454	39	indicating	indicate	VBG
39142	454	40	that	that	IN
39142	454	41	the	the	DT
39142	454	42	earth	earth	NN
39142	454	43	was	be	VBD
39142	454	44	not	not	RB
39142	454	45	a	a	DT
39142	454	46	perfect	perfect	JJ
39142	454	47	sphere	sphere	NN
39142	454	48	as	as	IN
39142	454	49	had	have	VBD
39142	454	50	been	be	VBN
39142	454	51	thought	think	VBN
39142	454	52	,	,	,
39142	454	53	but	but	CC
39142	454	54	a	a	DT
39142	454	55	spheroid	spheroid	NN
39142	454	56	instead	instead	RB
39142	454	57	.	.	.
39142	455	1	The	the	DT
39142	455	2	planet	planet	NN
39142	455	3	Mars	Mars	NNP
39142	455	4	passed	pass	VBD
39142	455	5	a	a	DT
39142	455	6	near	near	JJ
39142	455	7	opposition	opposition	NN
39142	455	8	,	,	,
39142	455	9	and	and	CC
39142	455	10	Richer	Richer	NNP
39142	455	11	's	's	POS
39142	455	12	observations	observation	NNS
39142	455	13	of	of	IN
39142	455	14	it	-PRON-	PRP
39142	455	15	from	from	IN
39142	455	16	Cayenne	Cayenne	NNP
39142	455	17	,	,	,
39142	455	18	when	when	WRB
39142	455	19	combined	combine	VBN
39142	455	20	with	with	IN
39142	455	21	those	those	DT
39142	455	22	of	of	IN
39142	455	23	Cassini	Cassini	NNP
39142	455	24	and	and	CC
39142	455	25	others	other	NNS
39142	455	26	in	in	IN
39142	455	27	France	France	NNP
39142	455	28	,	,	,
39142	455	29	gave	give	VBD
39142	455	30	a	a	DT
39142	455	31	new	new	JJ
39142	455	32	value	value	NN
39142	455	33	of	of	IN
39142	455	34	the	the	DT
39142	455	35	sun	sun	NN
39142	455	36	's	's	POS
39142	455	37	parallax	parallax	NN
39142	455	38	and	and	CC
39142	455	39	distance	distance	NN
39142	455	40	,	,	,
39142	455	41	really	really	RB
39142	455	42	the	the	DT
39142	455	43	first	first	JJ
39142	455	44	actual	actual	JJ
39142	455	45	measurement	measurement	NN
39142	455	46	worth	worth	JJ
39142	455	47	the	the	DT
39142	455	48	name	name	NN
39142	455	49	in	in	IN
39142	455	50	the	the	DT
39142	455	51	history	history	NN
39142	455	52	of	of	IN
39142	455	53	astronomy	astronomy	NN
39142	455	54	.	.	.
39142	456	1	To	to	TO
39142	456	2	close	close	VB
39142	456	3	this	this	DT
39142	456	4	era	era	NN
39142	456	5	of	of	IN
39142	456	6	signal	signal	JJ
39142	456	7	advance	advance	NN
39142	456	8	in	in	IN
39142	456	9	astronomy	astronomy	NN
39142	456	10	we	-PRON-	PRP
39142	456	11	may	may	MD
39142	456	12	cite	cite	VB
39142	456	13	a	a	DT
39142	456	14	discovery	discovery	NN
39142	456	15	by	by	IN
39142	456	16	Roemer	Roemer	NNP
39142	456	17	of	of	IN
39142	456	18	the	the	DT
39142	456	19	first	first	JJ
39142	456	20	order	order	NN
39142	456	21	:	:	:
39142	456	22	no	no	DT
39142	456	23	less	less	JJR
39142	456	24	than	than	IN
39142	456	25	that	that	DT
39142	456	26	of	of	IN
39142	456	27	the	the	DT
39142	456	28	velocity	velocity	NN
39142	456	29	of	of	IN
39142	456	30	transmission	transmission	NN
39142	456	31	of	of	IN
39142	456	32	light	light	NN
39142	456	33	through	through	IN
39142	456	34	space	space	NN
39142	456	35	.	.	.
39142	457	1	At	at	IN
39142	457	2	the	the	DT
39142	457	3	instigation	instigation	NN
39142	457	4	of	of	IN
39142	457	5	Picard	Picard	NNP
39142	457	6	,	,	,
39142	457	7	Roemer	Roemer	NNP
39142	457	8	in	in	IN
39142	457	9	studying	study	VBG
39142	457	10	the	the	DT
39142	457	11	motions	motion	NNS
39142	457	12	of	of	IN
39142	457	13	Jupiter	Jupiter	NNP
39142	457	14	's	's	POS
39142	457	15	satellites	satellite	NNS
39142	457	16	found	find	VBD
39142	457	17	that	that	IN
39142	457	18	the	the	DT
39142	457	19	intervals	interval	NNS
39142	457	20	between	between	IN
39142	457	21	eclipses	eclipse	NNS
39142	457	22	grew	grow	VBD
39142	457	23	less	less	JJR
39142	457	24	and	and	CC
39142	457	25	less	less	JJR
39142	457	26	as	as	IN
39142	457	27	Jupiter	Jupiter	NNP
39142	457	28	and	and	CC
39142	457	29	the	the	DT
39142	457	30	earth	earth	NN
39142	457	31	approached	approach	VBD
39142	457	32	each	each	DT
39142	457	33	other	other	JJ
39142	457	34	,	,	,
39142	457	35	and	and	CC
39142	457	36	greater	great	JJR
39142	457	37	and	and	CC
39142	457	38	greater	great	JJR
39142	457	39	than	than	IN
39142	457	40	the	the	DT
39142	457	41	average	average	NN
39142	457	42	as	as	IN
39142	457	43	the	the	DT
39142	457	44	two	two	CD
39142	457	45	planets	planet	NNS
39142	457	46	separated	separate	VBD
39142	457	47	farther	far	RBR
39142	457	48	and	and	CC
39142	457	49	farther	farther	RB
39142	457	50	.	.	.
39142	458	1	Roemer	Roemer	NNP
39142	458	2	correctly	correctly	RB
39142	458	3	attributed	attribute	VBD
39142	458	4	this	this	DT
39142	458	5	difference	difference	NN
39142	458	6	to	to	IN
39142	458	7	the	the	DT
39142	458	8	progressive	progressive	JJ
39142	458	9	motion	motion	NN
39142	458	10	of	of	IN
39142	458	11	light	light	NN
39142	458	12	and	and	CC
39142	458	13	a	a	DT
39142	458	14	rough	rough	JJ
39142	458	15	value	value	NN
39142	458	16	of	of	IN
39142	458	17	its	-PRON-	PRP$
39142	458	18	velocity	velocity	NN
39142	458	19	was	be	VBD
39142	458	20	calculated	calculate	VBN
39142	458	21	,	,	,
39142	458	22	though	though	IN
39142	458	23	not	not	RB
39142	458	24	accepted	accept	VBN
39142	458	25	by	by	IN
39142	458	26	astronomers	astronomer	NNS
39142	458	27	generally	generally	RB
39142	458	28	for	for	IN
39142	458	29	more	more	JJR
39142	458	30	than	than	IN
39142	458	31	a	a	DT
39142	458	32	century	century	NN
39142	458	33	.	.	.
39142	459	1	Why	why	WRB
39142	459	2	the	the	DT
39142	459	3	laws	law	NNS
39142	459	4	of	of	IN
39142	459	5	Kepler	Kepler	NNP
39142	459	6	should	should	MD
39142	459	7	be	be	VB
39142	459	8	true	true	JJ
39142	459	9	,	,	,
39142	459	10	Kepler	Kepler	NNP
39142	459	11	himself	-PRON-	PRP
39142	459	12	was	be	VBD
39142	459	13	unable	unable	JJ
39142	459	14	to	to	TO
39142	459	15	say	say	VB
39142	459	16	.	.	.
39142	460	1	Nor	nor	CC
39142	460	2	could	could	MD
39142	460	3	anyone	anyone	NN
39142	460	4	else	else	RB
39142	460	5	in	in	IN
39142	460	6	that	that	DT
39142	460	7	day	day	NN
39142	460	8	answer	answer	VB
39142	460	9	these	these	DT
39142	460	10	questions	question	NNS
39142	460	11	:	:	:
39142	460	12	(	(	-LRB-
39142	460	13	1	1	LS
39142	460	14	)	)	-RRB-
39142	460	15	The	the	DT
39142	460	16	planets	planet	NNS
39142	460	17	move	move	VBP
39142	460	18	in	in	IN
39142	460	19	orbits	orbit	NNS
39142	460	20	that	that	WDT
39142	460	21	are	be	VBP
39142	460	22	elliptical	elliptical	JJ
39142	460	23	not	not	RB
39142	460	24	circular	circular	JJ
39142	460	25	--	--	:
39142	460	26	why	why	WRB
39142	460	27	should	should	MD
39142	460	28	they	-PRON-	PRP
39142	460	29	move	move	VB
39142	460	30	in	in	IN
39142	460	31	an	an	DT
39142	460	32	imperfect	imperfect	JJ
39142	460	33	curve	curve	NN
39142	460	34	,	,	,
39142	460	35	rather	rather	RB
39142	460	36	than	than	IN
39142	460	37	the	the	DT
39142	460	38	perfect	perfect	JJ
39142	460	39	one	one	CD
39142	460	40	in	in	IN
39142	460	41	which	which	WDT
39142	460	42	it	-PRON-	PRP
39142	460	43	had	have	VBD
39142	460	44	always	always	RB
39142	460	45	been	be	VBN
39142	460	46	taught	teach	VBN
39142	460	47	that	that	IN
39142	460	48	they	-PRON-	PRP
39142	460	49	moved	move	VBD
39142	460	50	?	?	.
39142	461	1	(	(	-LRB-
39142	461	2	2	2	LS
39142	461	3	)	)	-RRB-
39142	461	4	Why	why	WRB
39142	461	5	should	should	MD
39142	461	6	our	-PRON-	PRP$
39142	461	7	planet	planet	NN
39142	461	8	vary	vary	VB
39142	461	9	its	-PRON-	PRP$
39142	461	10	velocity	velocity	NN
39142	461	11	at	at	RB
39142	461	12	all	all	RB
39142	461	13	,	,	,
39142	461	14	and	and	CC
39142	461	15	travel	travel	VB
39142	461	16	now	now	RB
39142	461	17	fast	fast	RB
39142	461	18	,	,	,
39142	461	19	now	now	RB
39142	461	20	slow	slow	JJ
39142	461	21	;	;	:
39142	461	22	especially	especially	RB
39142	461	23	why	why	WRB
39142	461	24	should	should	MD
39142	461	25	the	the	DT
39142	461	26	speed	speed	NN
39142	461	27	so	so	RB
39142	461	28	vary	vary	VB
39142	461	29	that	that	IN
39142	461	30	the	the	DT
39142	461	31	line	line	NN
39142	461	32	of	of	IN
39142	461	33	varying	varying	NN
39142	461	34	length	length	NN
39142	461	35	,	,	,
39142	461	36	joining	join	VBG
39142	461	37	the	the	DT
39142	461	38	planet	planet	NN
39142	461	39	to	to	IN
39142	461	40	the	the	DT
39142	461	41	sun	sun	NN
39142	461	42	,	,	,
39142	461	43	always	always	RB
39142	461	44	passes	pass	VBZ
39142	461	45	over	over	RP
39142	461	46	areas	area	NNS
39142	461	47	proportional	proportional	JJ
39142	461	48	to	to	IN
39142	461	49	the	the	DT
39142	461	50	time	time	NN
39142	461	51	of	of	IN
39142	461	52	describing	describe	VBG
39142	461	53	them	-PRON-	PRP
39142	461	54	?	?	.
39142	462	1	And	and	CC
39142	462	2	(	(	-LRB-
39142	462	3	3	3	LS
39142	462	4	)	)	-RRB-
39142	462	5	Why	why	WRB
39142	462	6	should	should	MD
39142	462	7	there	there	EX
39142	462	8	be	be	VB
39142	462	9	any	any	DT
39142	462	10	definite	definite	JJ
39142	462	11	relation	relation	NN
39142	462	12	of	of	IN
39142	462	13	the	the	DT
39142	462	14	distances	distance	NNS
39142	462	15	of	of	IN
39142	462	16	planets	planet	NNS
39142	462	17	from	from	IN
39142	462	18	the	the	DT
39142	462	19	sun	sun	NN
39142	462	20	to	to	IN
39142	462	21	their	-PRON-	PRP$
39142	462	22	times	time	NNS
39142	462	23	of	of	IN
39142	462	24	revolution	revolution	NN
39142	462	25	about	about	IN
39142	462	26	him	-PRON-	PRP
39142	462	27	?	?	.
39142	463	1	Why	why	WRB
39142	463	2	should	should	MD
39142	463	3	it	-PRON-	PRP
39142	463	4	be	be	VB
39142	463	5	exactly	exactly	RB
39142	463	6	as	as	IN
39142	463	7	the	the	DT
39142	463	8	cube	cube	NN
39142	463	9	of	of	IN
39142	463	10	one	one	CD
39142	463	11	to	to	IN
39142	463	12	the	the	DT
39142	463	13	square	square	NN
39142	463	14	of	of	IN
39142	463	15	the	the	DT
39142	463	16	other	other	JJ
39142	463	17	?	?	.
39142	464	1	We	-PRON-	PRP
39142	464	2	must	must	MD
39142	464	3	remember	remember	VB
39142	464	4	that	that	IN
39142	464	5	the	the	DT
39142	464	6	Copernican	copernican	JJ
39142	464	7	system	system	NN
39142	464	8	itself	-PRON-	PRP
39142	464	9	was	be	VBD
39142	464	10	not	not	RB
39142	464	11	yet	yet	RB
39142	464	12	,	,	,
39142	464	13	in	in	IN
39142	464	14	the	the	DT
39142	464	15	beginning	beginning	NN
39142	464	16	of	of	IN
39142	464	17	the	the	DT
39142	464	18	seventeenth	seventeenth	JJ
39142	464	19	century	century	NN
39142	464	20	,	,	,
39142	464	21	accepted	accept	VBN
39142	464	22	universally	universally	RB
39142	464	23	;	;	:
39142	464	24	and	and	CC
39142	464	25	the	the	DT
39142	464	26	great	great	JJ
39142	464	27	minds	mind	NNS
39142	464	28	of	of	IN
39142	464	29	that	that	DT
39142	464	30	period	period	NN
39142	464	31	were	be	VBD
39142	464	32	most	most	RBS
39142	464	33	concerned	concerned	JJ
39142	464	34	in	in	IN
39142	464	35	overturning	overturn	VBG
39142	464	36	the	the	DT
39142	464	37	erroneous	erroneous	JJ
39142	464	38	theory	theory	NN
39142	464	39	of	of	IN
39142	464	40	Ptolemy	Ptolemy	NNP
39142	464	41	.	.	.
39142	465	1	The	the	DT
39142	465	2	next	next	JJ
39142	465	3	step	step	NN
39142	465	4	in	in	IN
39142	465	5	logical	logical	JJ
39142	465	6	order	order	NN
39142	465	7	was	be	VBD
39142	465	8	to	to	TO
39142	465	9	find	find	VB
39142	465	10	a	a	DT
39142	465	11	basic	basic	JJ
39142	465	12	explanation	explanation	NN
39142	465	13	of	of	IN
39142	465	14	the	the	DT
39142	465	15	planetary	planetary	NN
39142	465	16	motions	motion	NNS
39142	465	17	,	,	,
39142	465	18	and	and	CC
39142	465	19	Descartes	Descartes	NNPS
39142	465	20	and	and	CC
39142	465	21	his	-PRON-	PRP$
39142	465	22	theory	theory	NN
39142	465	23	of	of	IN
39142	465	24	vortices	vortex	NNS
39142	465	25	are	be	VBP
39142	465	26	worthy	worthy	JJ
39142	465	27	of	of	IN
39142	465	28	mention	mention	NN
39142	465	29	,	,	,
39142	465	30	among	among	IN
39142	465	31	many	many	JJ
39142	465	32	unsuccessful	unsuccessful	JJ
39142	465	33	attempts	attempt	NNS
39142	465	34	in	in	IN
39142	465	35	this	this	DT
39142	465	36	direction	direction	NN
39142	465	37	.	.	.
39142	466	1	Descartes	Descartes	NNP
39142	466	2	was	be	VBD
39142	466	3	a	a	DT
39142	466	4	brilliant	brilliant	JJ
39142	466	5	French	french	JJ
39142	466	6	philosopher	philosopher	NN
39142	466	7	and	and	CC
39142	466	8	mathematician	mathematician	JJ
39142	466	9	,	,	,
39142	466	10	but	but	CC
39142	466	11	his	-PRON-	PRP$
39142	466	12	hypothesis	hypothesis	NN
39142	466	13	of	of	IN
39142	466	14	a	a	DT
39142	466	15	multitude	multitude	NN
39142	466	16	of	of	IN
39142	466	17	whirlpools	whirlpool	NNS
39142	466	18	in	in	IN
39142	466	19	the	the	DT
39142	466	20	ether	ether	NN
39142	466	21	,	,	,
39142	466	22	while	while	IN
39142	466	23	ingenious	ingenious	JJ
39142	466	24	in	in	IN
39142	466	25	theory	theory	NN
39142	466	26	,	,	,
39142	466	27	was	be	VBD
39142	466	28	too	too	RB
39142	466	29	vague	vague	JJ
39142	466	30	and	and	CC
39142	466	31	indefinite	indefinite	JJ
39142	466	32	to	to	TO
39142	466	33	account	account	VB
39142	466	34	for	for	IN
39142	466	35	the	the	DT
39142	466	36	planetary	planetary	NN
39142	466	37	motions	motion	NNS
39142	466	38	with	with	IN
39142	466	39	any	any	DT
39142	466	40	approach	approach	NN
39142	466	41	to	to	IN
39142	466	42	the	the	DT
39142	466	43	precision	precision	NN
39142	466	44	with	with	IN
39142	466	45	which	which	WDT
39142	466	46	the	the	DT
39142	466	47	laws	law	NNS
39142	466	48	of	of	IN
39142	466	49	Kepler	Kepler	NNP
39142	466	50	represented	represent	VBD
39142	466	51	them	-PRON-	PRP
39142	466	52	.	.	.
39142	467	1	Another	another	DT
39142	467	2	great	great	JJ
39142	467	3	astronomer	astronomer	NN
39142	467	4	whose	whose	WP$
39142	467	5	labors	labor	NNS
39142	467	6	helped	help	VBD
39142	467	7	immensely	immensely	RB
39142	467	8	in	in	IN
39142	467	9	preparing	prepare	VBG
39142	467	10	the	the	DT
39142	467	11	way	way	NN
39142	467	12	for	for	IN
39142	467	13	the	the	DT
39142	467	14	signal	signal	JJ
39142	467	15	discoveries	discovery	NNS
39142	467	16	that	that	WDT
39142	467	17	were	be	VBD
39142	467	18	soon	soon	RB
39142	467	19	to	to	TO
39142	467	20	come	come	VB
39142	467	21	was	be	VBD
39142	467	22	Huygens	Huygens	NNP
39142	467	23	,	,	,
39142	467	24	a	a	DT
39142	467	25	man	man	NN
39142	467	26	of	of	IN
39142	467	27	versatility	versatility	NN
39142	467	28	as	as	IN
39142	467	29	natural	natural	JJ
39142	467	30	philosopher	philosopher	NN
39142	467	31	,	,	,
39142	467	32	mechanician	mechanician	JJ
39142	467	33	,	,	,
39142	467	34	and	and	CC
39142	467	35	astronomical	astronomical	JJ
39142	467	36	observer	observer	NN
39142	467	37	.	.	.
39142	468	1	Huygens	Huygens	NNP
39142	468	2	was	be	VBD
39142	468	3	born	bear	VBN
39142	468	4	thirteen	thirteen	CD
39142	468	5	years	year	NNS
39142	468	6	before	before	IN
39142	468	7	the	the	DT
39142	468	8	death	death	NN
39142	468	9	of	of	IN
39142	468	10	Galileo	Galileo	NNP
39142	468	11	,	,	,
39142	468	12	and	and	CC
39142	468	13	to	to	IN
39142	468	14	the	the	DT
39142	468	15	discovery	discovery	NN
39142	468	16	of	of	IN
39142	468	17	the	the	DT
39142	468	18	laws	law	NNS
39142	468	19	of	of	IN
39142	468	20	motion	motion	NN
39142	468	21	by	by	IN
39142	468	22	the	the	DT
39142	468	23	latter	latter	JJ
39142	468	24	Huygens	Huygens	NNP
39142	468	25	added	add	VBD
39142	468	26	researches	research	NNS
39142	468	27	on	on	IN
39142	468	28	the	the	DT
39142	468	29	laws	law	NNS
39142	468	30	of	of	IN
39142	468	31	action	action	NN
39142	468	32	of	of	IN
39142	468	33	centrifugal	centrifugal	JJ
39142	468	34	forces	force	NNS
39142	468	35	.	.	.
39142	469	1	Neither	neither	DT
39142	469	2	of	of	IN
39142	469	3	them	-PRON-	PRP
39142	469	4	,	,	,
39142	469	5	however	however	RB
39142	469	6	,	,	,
39142	469	7	appeared	appear	VBD
39142	469	8	to	to	TO
39142	469	9	see	see	VB
39142	469	10	the	the	DT
39142	469	11	immediate	immediate	JJ
39142	469	12	bearing	bearing	NN
39142	469	13	on	on	IN
39142	469	14	the	the	DT
39142	469	15	great	great	JJ
39142	469	16	general	general	JJ
39142	469	17	problem	problem	NN
39142	469	18	of	of	IN
39142	469	19	celestial	celestial	JJ
39142	469	20	motions	motion	NNS
39142	469	21	in	in	IN
39142	469	22	its	-PRON-	PRP$
39142	469	23	true	true	JJ
39142	469	24	light	light	NN
39142	469	25	,	,	,
39142	469	26	and	and	CC
39142	469	27	it	-PRON-	PRP
39142	469	28	was	be	VBD
39142	469	29	reserved	reserve	VBN
39142	469	30	for	for	IN
39142	469	31	another	another	DT
39142	469	32	generation	generation	NN
39142	469	33	,	,	,
39142	469	34	and	and	CC
39142	469	35	an	an	DT
39142	469	36	astronomer	astronomer	NN
39142	469	37	of	of	IN
39142	469	38	another	another	DT
39142	469	39	country	country	NN
39142	469	40	,	,	,
39142	469	41	to	to	TO
39142	469	42	make	make	VB
39142	469	43	the	the	DT
39142	469	44	one	one	CD
39142	469	45	fundamental	fundamental	JJ
39142	469	46	discovery	discovery	NN
39142	469	47	that	that	WDT
39142	469	48	should	should	MD
39142	469	49	explain	explain	VB
39142	469	50	the	the	DT
39142	469	51	whole	whole	NN
39142	469	52	by	by	IN
39142	469	53	a	a	DT
39142	469	54	single	single	JJ
39142	469	55	simple	simple	JJ
39142	469	56	law	law	NN
39142	469	57	.	.	.
39142	470	1	CHAPTER	chapter	NN
39142	470	2	XIII	XIII	NNP
39142	470	3	NEWTON	NEWTON	NNP
39142	470	4	AND	and	CC
39142	470	5	MOTION	motion	NN
39142	470	6	"	"	``
39142	470	7	How	how	WRB
39142	470	8	is	be	VBZ
39142	470	9	it	-PRON-	PRP
39142	470	10	that	that	WDT
39142	470	11	you	-PRON-	PRP
39142	470	12	are	be	VBP
39142	470	13	able	able	JJ
39142	470	14	to	to	TO
39142	470	15	make	make	VB
39142	470	16	these	these	DT
39142	470	17	great	great	JJ
39142	470	18	discoveries	discovery	NNS
39142	470	19	?	?	.
39142	470	20	"	"	''
39142	471	1	was	be	VBD
39142	471	2	once	once	RB
39142	471	3	asked	ask	VBN
39142	471	4	of	of	IN
39142	471	5	Sir	Sir	NNP
39142	471	6	Isaac	Isaac	NNP
39142	471	7	Newton	Newton	NNP
39142	471	8	,	,	,
39142	471	9	_	_	NNP
39142	471	10	facile	facile	NN
39142	471	11	princeps	princep	VBZ
39142	471	12	_	_	XX
39142	471	13	of	of	IN
39142	471	14	all	all	DT
39142	471	15	philosophers	philosopher	NNS
39142	471	16	,	,	,
39142	471	17	and	and	CC
39142	471	18	the	the	DT
39142	471	19	discoverer	discoverer	NN
39142	471	20	of	of	IN
39142	471	21	the	the	DT
39142	471	22	great	great	JJ
39142	471	23	law	law	NN
39142	471	24	of	of	IN
39142	471	25	universal	universal	NNP
39142	471	26	gravitation	gravitation	NNP
39142	471	27	.	.	.
39142	472	1	"	"	``
39142	472	2	By	by	IN
39142	472	3	perpetually	perpetually	RB
39142	472	4	thinking	think	VBG
39142	472	5	about	about	IN
39142	472	6	them	-PRON-	PRP
39142	472	7	,	,	,
39142	472	8	"	"	''
39142	472	9	was	be	VBD
39142	472	10	Newton	Newton	NNP
39142	472	11	's	's	POS
39142	472	12	terse	terse	NN
39142	472	13	and	and	CC
39142	472	14	illuminating	illuminating	NN
39142	472	15	reply	reply	NN
39142	472	16	.	.	.
39142	473	1	He	-PRON-	PRP
39142	473	2	had	have	VBD
39142	473	3	set	set	VBN
39142	473	4	for	for	IN
39142	473	5	himself	-PRON-	PRP
39142	473	6	the	the	DT
39142	473	7	definite	definite	JJ
39142	473	8	problem	problem	NN
39142	473	9	of	of	IN
39142	473	10	Kepler	Kepler	NNP
39142	473	11	's	's	POS
39142	473	12	laws	law	NNS
39142	473	13	:	:	:
39142	473	14	why	why	WRB
39142	473	15	is	be	VBZ
39142	473	16	it	-PRON-	PRP
39142	473	17	that	that	IN
39142	473	18	they	-PRON-	PRP
39142	473	19	are	be	VBP
39142	473	20	true	true	JJ
39142	473	21	,	,	,
39142	473	22	and	and	CC
39142	473	23	is	be	VBZ
39142	473	24	there	there	EX
39142	473	25	not	not	RB
39142	473	26	some	some	DT
39142	473	27	single	single	JJ
39142	473	28	,	,	,
39142	473	29	general	general	JJ
39142	473	30	law	law	NN
39142	473	31	that	that	WDT
39142	473	32	will	will	MD
39142	473	33	embody	embody	VB
39142	473	34	all	all	PDT
39142	473	35	the	the	DT
39142	473	36	circumstances	circumstance	NNS
39142	473	37	of	of	IN
39142	473	38	the	the	DT
39142	473	39	planetary	planetary	NN
39142	473	40	motions	motion	NNS
39142	473	41	?	?	.
39142	474	1	Newton	Newton	NNP
39142	474	2	was	be	VBD
39142	474	3	born	bear	VBN
39142	474	4	in	in	IN
39142	474	5	1643	1643	CD
39142	474	6	,	,	,
39142	474	7	the	the	DT
39142	474	8	year	year	NN
39142	474	9	after	after	IN
39142	474	10	the	the	DT
39142	474	11	death	death	NN
39142	474	12	of	of	IN
39142	474	13	Galileo	Galileo	NNP
39142	474	14	.	.	.
39142	475	1	He	-PRON-	PRP
39142	475	2	had	have	VBD
39142	475	3	a	a	DT
39142	475	4	thorough	thorough	JJ
39142	475	5	training	training	NN
39142	475	6	in	in	IN
39142	475	7	the	the	DT
39142	475	8	mathematics	mathematic	NNS
39142	475	9	of	of	IN
39142	475	10	his	-PRON-	PRP$
39142	475	11	day	day	NN
39142	475	12	,	,	,
39142	475	13	and	and	CC
39142	475	14	addressed	address	VBD
39142	475	15	himself	-PRON-	PRP
39142	475	16	first	first	RB
39142	475	17	to	to	IN
39142	475	18	an	an	DT
39142	475	19	investigation	investigation	NN
39142	475	20	and	and	CC
39142	475	21	definite	definite	JJ
39142	475	22	formulation	formulation	NN
39142	475	23	of	of	IN
39142	475	24	the	the	DT
39142	475	25	general	general	JJ
39142	475	26	laws	law	NNS
39142	475	27	of	of	IN
39142	475	28	motion	motion	NN
39142	475	29	,	,	,
39142	475	30	which	which	WDT
39142	475	31	he	-PRON-	PRP
39142	475	32	found	find	VBD
39142	475	33	to	to	TO
39142	475	34	be	be	VB
39142	475	35	three	three	CD
39142	475	36	in	in	IN
39142	475	37	number	number	NN
39142	475	38	,	,	,
39142	475	39	and	and	CC
39142	475	40	which	which	WDT
39142	475	41	he	-PRON-	PRP
39142	475	42	was	be	VBD
39142	475	43	able	able	JJ
39142	475	44	to	to	TO
39142	475	45	put	put	VB
39142	475	46	in	in	RP
39142	475	47	very	very	RB
39142	475	48	simple	simple	JJ
39142	475	49	terms	term	NNS
39142	475	50	.	.	.
39142	476	1	The	the	DT
39142	476	2	first	first	JJ
39142	476	3	one	one	NN
39142	476	4	is	be	VBZ
39142	476	5	:	:	:
39142	476	6	Any	any	DT
39142	476	7	body	body	NN
39142	476	8	,	,	,
39142	476	9	once	once	IN
39142	476	10	it	-PRON-	PRP
39142	476	11	is	be	VBZ
39142	476	12	set	set	VBN
39142	476	13	in	in	IN
39142	476	14	motion	motion	NN
39142	476	15	,	,	,
39142	476	16	will	will	MD
39142	476	17	continue	continue	VB
39142	476	18	to	to	TO
39142	476	19	move	move	VB
39142	476	20	forward	forward	RB
39142	476	21	in	in	IN
39142	476	22	a	a	DT
39142	476	23	straight	straight	JJ
39142	476	24	line	line	NN
39142	476	25	with	with	IN
39142	476	26	a	a	DT
39142	476	27	uniform	uniform	JJ
39142	476	28	velocity	velocity	NN
39142	476	29	forever	forever	RB
39142	476	30	,	,	,
39142	476	31	provided	provide	VBN
39142	476	32	it	-PRON-	PRP
39142	476	33	is	be	VBZ
39142	476	34	acted	act	VBN
39142	476	35	upon	upon	IN
39142	476	36	by	by	IN
39142	476	37	no	no	DT
39142	476	38	force	force	NN
39142	476	39	whatever	whatever	WDT
39142	476	40	.	.	.
39142	477	1	In	in	IN
39142	477	2	other	other	JJ
39142	477	3	words	word	NNS
39142	477	4	,	,	,
39142	477	5	a	a	DT
39142	477	6	state	state	NN
39142	477	7	of	of	IN
39142	477	8	motion	motion	NN
39142	477	9	is	be	VBZ
39142	477	10	as	as	RB
39142	477	11	natural	natural	JJ
39142	477	12	as	as	IN
39142	477	13	a	a	DT
39142	477	14	state	state	NN
39142	477	15	of	of	IN
39142	477	16	rest	rest	NN
39142	477	17	(	(	-LRB-
39142	477	18	rest	rest	VB
39142	477	19	in	in	IN
39142	477	20	relation	relation	NN
39142	477	21	to	to	IN
39142	477	22	things	thing	NNS
39142	477	23	everywhere	everywhere	RB
39142	477	24	adjacent	adjacent	JJ
39142	477	25	)	)	-RRB-
39142	477	26	in	in	IN
39142	477	27	which	which	WDT
39142	477	28	we	-PRON-	PRP
39142	477	29	find	find	VBP
39142	477	30	all	all	DT
39142	477	31	things	thing	NNS
39142	477	32	in	in	IN
39142	477	33	general	general	JJ
39142	477	34	.	.	.
39142	478	1	Here	here	RB
39142	478	2	on	on	IN
39142	478	3	earth	earth	NN
39142	478	4	where	where	WRB
39142	478	5	gravity	gravity	NN
39142	478	6	itself	-PRON-	PRP
39142	478	7	pulls	pull	VBZ
39142	478	8	all	all	DT
39142	478	9	objects	object	NNS
39142	478	10	downward	downward	RB
39142	478	11	toward	toward	IN
39142	478	12	the	the	DT
39142	478	13	earth	earth	NN
39142	478	14	,	,	,
39142	478	15	and	and	CC
39142	478	16	where	where	WRB
39142	478	17	resistance	resistance	NN
39142	478	18	of	of	IN
39142	478	19	the	the	DT
39142	478	20	air	air	NN
39142	478	21	tends	tend	VBZ
39142	478	22	to	to	TO
39142	478	23	hold	hold	VB
39142	478	24	a	a	DT
39142	478	25	moving	move	VBG
39142	478	26	body	body	NN
39142	478	27	back	back	RB
39142	478	28	and	and	CC
39142	478	29	bring	bring	VB
39142	478	30	it	-PRON-	PRP
39142	478	31	to	to	TO
39142	478	32	rest	rest	VB
39142	478	33	,	,	,
39142	478	34	and	and	CC
39142	478	35	where	where	WRB
39142	478	36	friction	friction	NN
39142	478	37	from	from	IN
39142	478	38	contact	contact	NN
39142	478	39	with	with	IN
39142	478	40	whatever	whatever	WDT
39142	478	41	material	material	NN
39142	478	42	substance	substance	NN
39142	478	43	may	may	MD
39142	478	44	be	be	VB
39142	478	45	in	in	IN
39142	478	46	its	-PRON-	PRP$
39142	478	47	path	path	NN
39142	478	48	is	be	VBZ
39142	478	49	perpetually	perpetually	RB
39142	478	50	tending	tend	VBG
39142	478	51	to	to	TO
39142	478	52	neutralize	neutralize	VB
39142	478	53	all	all	DT
39142	478	54	motion	motion	NN
39142	478	55	--	--	:
39142	478	56	with	with	IN
39142	478	57	all	all	DT
39142	478	58	three	three	CD
39142	478	59	of	of	IN
39142	478	60	these	these	DT
39142	478	61	forces	force	NNS
39142	478	62	always	always	RB
39142	478	63	at	at	IN
39142	478	64	work	work	NN
39142	478	65	to	to	TO
39142	478	66	stop	stop	VB
39142	478	67	a	a	DT
39142	478	68	moving	move	VBG
39142	478	69	body	body	NN
39142	478	70	,	,	,
39142	478	71	the	the	DT
39142	478	72	truth	truth	NN
39142	478	73	of	of	IN
39142	478	74	this	this	DT
39142	478	75	first	first	JJ
39142	478	76	and	and	CC
39142	478	77	fundamental	fundamental	JJ
39142	478	78	law	law	NN
39142	478	79	of	of	IN
39142	478	80	motion	motion	NN
39142	478	81	was	be	VBD
39142	478	82	not	not	RB
39142	478	83	apparent	apparent	JJ
39142	478	84	on	on	IN
39142	478	85	the	the	DT
39142	478	86	surface	surface	NN
39142	478	87	.	.	.
39142	479	1	Till	till	IN
39142	479	2	Galileo	Galileo	NNP
39142	479	3	's	's	POS
39142	479	4	time	time	NN
39142	479	5	everyone	everyone	NN
39142	479	6	had	have	VBD
39142	479	7	made	make	VBN
39142	479	8	the	the	DT
39142	479	9	mistake	mistake	NN
39142	479	10	of	of	IN
39142	479	11	supposing	suppose	VBG
39142	479	12	that	that	IN
39142	479	13	some	some	DT
39142	479	14	force	force	NN
39142	479	15	or	or	CC
39142	479	16	other	other	JJ
39142	479	17	must	must	MD
39142	479	18	be	be	VB
39142	479	19	acting	act	VBG
39142	479	20	continually	continually	RB
39142	479	21	on	on	IN
39142	479	22	every	every	DT
39142	479	23	moving	move	VBG
39142	479	24	body	body	NN
39142	479	25	to	to	TO
39142	479	26	keep	keep	VB
39142	479	27	it	-PRON-	PRP
39142	479	28	in	in	IN
39142	479	29	motion	motion	NN
39142	479	30	.	.	.
39142	480	1	Ptolemy	Ptolemy	NNP
39142	480	2	,	,	,
39142	480	3	Copernicus	Copernicus	NNP
39142	480	4	,	,	,
39142	480	5	Kepler	Kepler	NNP
39142	480	6	,	,	,
39142	480	7	Leonardo	Leonardo	NNP
39142	480	8	da	da	NNP
39142	480	9	Vinci	Vinci	NNP
39142	480	10	--	--	:
39142	480	11	all	all	DT
39142	480	12	failed	fail	VBD
39142	480	13	to	to	TO
39142	480	14	see	see	VB
39142	480	15	the	the	DT
39142	480	16	truth	truth	NN
39142	480	17	of	of	IN
39142	480	18	this	this	DT
39142	480	19	law	law	NN
39142	480	20	which	which	WDT
39142	480	21	Newton	Newton	NNP
39142	480	22	developed	develop	VBD
39142	480	23	in	in	IN
39142	480	24	the	the	DT
39142	480	25	immortal	immortal	JJ
39142	480	26	_	_	NNP
39142	480	27	Principia	Principia	NNP
39142	480	28	_	_	NNP
39142	480	29	.	.	.
39142	481	1	And	and	CC
39142	481	2	at	at	IN
39142	481	3	the	the	DT
39142	481	4	present	present	JJ
39142	481	5	day	day	NN
39142	481	6	it	-PRON-	PRP
39142	481	7	is	be	VBZ
39142	481	8	not	not	RB
39142	481	9	always	always	RB
39142	481	10	easy	easy	JJ
39142	481	11	to	to	TO
39142	481	12	accept	accept	VB
39142	481	13	at	at	IN
39142	481	14	first	first	RB
39142	481	15	,	,	,
39142	481	16	although	although	IN
39142	481	17	the	the	DT
39142	481	18	progress	progress	NN
39142	481	19	of	of	IN
39142	481	20	mechanical	mechanical	JJ
39142	481	21	science	science	NN
39142	481	22	,	,	,
39142	481	23	by	by	IN
39142	481	24	reducing	reduce	VBG
39142	481	25	friction	friction	NN
39142	481	26	and	and	CC
39142	481	27	resistance	resistance	NN
39142	481	28	,	,	,
39142	481	29	has	have	VBZ
39142	481	30	produced	produce	VBN
39142	481	31	machines	machine	NNS
39142	481	32	in	in	IN
39142	481	33	which	which	WDT
39142	481	34	motion	motion	NN
39142	481	35	of	of	IN
39142	481	36	large	large	JJ
39142	481	37	masses	masse	NNS
39142	481	38	may	may	MD
39142	481	39	be	be	VB
39142	481	40	kept	keep	VBN
39142	481	41	up	up	RP
39142	481	42	indefinitely	indefinitely	RB
39142	481	43	with	with	IN
39142	481	44	the	the	DT
39142	481	45	application	application	NN
39142	481	46	of	of	IN
39142	481	47	only	only	RB
39142	481	48	the	the	DT
39142	481	49	merest	mere	JJS
39142	481	50	minimum	minimum	NN
39142	481	51	of	of	IN
39142	481	52	force	force	NN
39142	481	53	.	.	.
39142	482	1	Once	once	IN
39142	482	2	a	a	DT
39142	482	3	planet	planet	NN
39142	482	4	is	be	VBZ
39142	482	5	set	set	VBN
39142	482	6	in	in	IN
39142	482	7	motion	motion	NN
39142	482	8	round	round	IN
39142	482	9	the	the	DT
39142	482	10	sun	sun	NN
39142	482	11	,	,	,
39142	482	12	it	-PRON-	PRP
39142	482	13	would	would	MD
39142	482	14	go	go	VB
39142	482	15	on	on	RP
39142	482	16	forever	forever	RB
39142	482	17	through	through	IN
39142	482	18	frictionless	frictionless	NN
39142	482	19	,	,	,
39142	482	20	non	non	JJ
39142	482	21	-	-	JJ
39142	482	22	resistant	resistant	JJ
39142	482	23	space	space	NN
39142	482	24	;	;	:
39142	482	25	but	but	CC
39142	482	26	there	there	EX
39142	482	27	must	must	MD
39142	482	28	be	be	VB
39142	482	29	a	a	DT
39142	482	30	central	central	JJ
39142	482	31	force	force	NN
39142	482	32	,	,	,
39142	482	33	as	as	IN
39142	482	34	Huygens	Huygens	NNP
39142	482	35	saw	see	VBD
39142	482	36	clearly	clearly	RB
39142	482	37	,	,	,
39142	482	38	to	to	TO
39142	482	39	hold	hold	VB
39142	482	40	it	-PRON-	PRP
39142	482	41	in	in	IN
39142	482	42	its	-PRON-	PRP$
39142	482	43	orbit	orbit	NN
39142	482	44	.	.	.
39142	483	1	Otherwise	otherwise	RB
39142	483	2	it	-PRON-	PRP
39142	483	3	would	would	MD
39142	483	4	at	at	IN
39142	483	5	any	any	DT
39142	483	6	moment	moment	NN
39142	483	7	take	take	VB
39142	483	8	the	the	DT
39142	483	9	direction	direction	NN
39142	483	10	of	of	IN
39142	483	11	a	a	DT
39142	483	12	tangent	tangent	NN
39142	483	13	to	to	IN
39142	483	14	the	the	DT
39142	483	15	orbit	orbit	NN
39142	483	16	.	.	.
39142	484	1	Here	here	RB
39142	484	2	is	be	VBZ
39142	484	3	where	where	WRB
39142	484	4	Newton	Newton	NNP
39142	484	5	's	's	POS
39142	484	6	second	second	JJ
39142	484	7	law	law	NN
39142	484	8	of	of	IN
39142	484	9	motion	motion	NN
39142	484	10	comes	come	VBZ
39142	484	11	in	in	RP
39142	484	12	,	,	,
39142	484	13	and	and	CC
39142	484	14	he	-PRON-	PRP
39142	484	15	formulated	formulate	VBD
39142	484	16	it	-PRON-	PRP
39142	484	17	with	with	IN
39142	484	18	great	great	JJ
39142	484	19	definiteness	definiteness	NN
39142	484	20	.	.	.
39142	485	1	When	when	WRB
39142	485	2	any	any	DT
39142	485	3	force	force	NN
39142	485	4	acts	act	VBZ
39142	485	5	on	on	IN
39142	485	6	a	a	DT
39142	485	7	moving	move	VBG
39142	485	8	body	body	NN
39142	485	9	,	,	,
39142	485	10	its	-PRON-	PRP$
39142	485	11	deviation	deviation	NN
39142	485	12	from	from	IN
39142	485	13	a	a	DT
39142	485	14	straight	straight	JJ
39142	485	15	line	line	NN
39142	485	16	will	will	MD
39142	485	17	be	be	VB
39142	485	18	in	in	IN
39142	485	19	the	the	DT
39142	485	20	direction	direction	NN
39142	485	21	of	of	IN
39142	485	22	the	the	DT
39142	485	23	force	force	NN
39142	485	24	applied	apply	VBD
39142	485	25	and	and	CC
39142	485	26	proportional	proportional	JJ
39142	485	27	to	to	IN
39142	485	28	that	that	DT
39142	485	29	force	force	NN
39142	485	30	.	.	.
39142	486	1	In	in	IN
39142	486	2	accord	accord	NN
39142	486	3	with	with	IN
39142	486	4	this	this	DT
39142	486	5	law	law	NN
39142	486	6	,	,	,
39142	486	7	Newton	Newton	NNP
39142	486	8	first	first	RB
39142	486	9	began	begin	VBD
39142	486	10	to	to	TO
39142	486	11	inquire	inquire	VB
39142	486	12	whether	whether	IN
39142	486	13	the	the	DT
39142	486	14	force	force	NN
39142	486	15	of	of	IN
39142	486	16	attraction	attraction	NN
39142	486	17	here	here	RB
39142	486	18	on	on	IN
39142	486	19	earth	earth	NN
39142	486	20	,	,	,
39142	486	21	which	which	WDT
39142	486	22	everyone	everyone	NN
39142	486	23	commonly	commonly	RB
39142	486	24	recognizes	recognize	VBZ
39142	486	25	as	as	IN
39142	486	26	gravity	gravity	NN
39142	486	27	,	,	,
39142	486	28	drawing	draw	VBG
39142	486	29	all	all	DT
39142	486	30	things	thing	NNS
39142	486	31	down	down	RP
39142	486	32	toward	toward	IN
39142	486	33	the	the	DT
39142	486	34	center	center	NN
39142	486	35	of	of	IN
39142	486	36	the	the	DT
39142	486	37	earth	earth	NN
39142	486	38	,	,	,
39142	486	39	might	may	MD
39142	486	40	not	not	RB
39142	486	41	extend	extend	VB
39142	486	42	upward	upward	RB
39142	486	43	indefinitely	indefinitely	RB
39142	486	44	.	.	.
39142	487	1	It	-PRON-	PRP
39142	487	2	is	be	VBZ
39142	487	3	found	find	VBN
39142	487	4	in	in	IN
39142	487	5	operation	operation	NN
39142	487	6	on	on	IN
39142	487	7	the	the	DT
39142	487	8	summits	summit	NNS
39142	487	9	of	of	IN
39142	487	10	mountain	mountain	NN
39142	487	11	peaks	peak	NNS
39142	487	12	,	,	,
39142	487	13	and	and	CC
39142	487	14	the	the	DT
39142	487	15	clouds	cloud	NNS
39142	487	16	above	above	IN
39142	487	17	them	-PRON-	PRP
39142	487	18	and	and	CC
39142	487	19	the	the	DT
39142	487	20	rain	rain	NN
39142	487	21	falling	fall	VBG
39142	487	22	from	from	IN
39142	487	23	them	-PRON-	PRP
39142	487	24	are	be	VBP
39142	487	25	obviously	obviously	RB
39142	487	26	drawn	draw	VBN
39142	487	27	downward	downward	RB
39142	487	28	by	by	IN
39142	487	29	the	the	DT
39142	487	30	same	same	JJ
39142	487	31	force	force	NN
39142	487	32	.	.	.
39142	488	1	May	May	MD
39142	488	2	it	-PRON-	PRP
39142	488	3	not	not	RB
39142	488	4	extend	extend	VB
39142	488	5	outward	outward	RB
39142	488	6	into	into	IN
39142	488	7	space	space	NN
39142	488	8	,	,	,
39142	488	9	even	even	RB
39142	488	10	as	as	RB
39142	488	11	far	far	RB
39142	488	12	as	as	IN
39142	488	13	the	the	DT
39142	488	14	moon	moon	NN
39142	488	15	?	?	.
39142	489	1	This	this	DT
39142	489	2	was	be	VBD
39142	489	3	an	an	DT
39142	489	4	audacious	audacious	JJ
39142	489	5	question	question	NN
39142	489	6	,	,	,
39142	489	7	but	but	CC
39142	489	8	Newton	Newton	NNP
39142	489	9	not	not	RB
39142	489	10	only	only	RB
39142	489	11	asked	ask	VBD
39142	489	12	,	,	,
39142	489	13	but	but	CC
39142	489	14	tried	try	VBD
39142	489	15	to	to	TO
39142	489	16	answer	answer	VB
39142	489	17	it	-PRON-	PRP
39142	489	18	in	in	IN
39142	489	19	the	the	DT
39142	489	20	year	year	NN
39142	489	21	1665	1665	CD
39142	489	22	,	,	,
39142	489	23	when	when	WRB
39142	489	24	he	-PRON-	PRP
39142	489	25	was	be	VBD
39142	489	26	only	only	RB
39142	489	27	twenty	twenty	CD
39142	489	28	-	-	HYPH
39142	489	29	three	three	CD
39142	489	30	.	.	.
39142	490	1	On	on	IN
39142	490	2	the	the	DT
39142	490	3	surface	surface	NN
39142	490	4	of	of	IN
39142	490	5	the	the	DT
39142	490	6	earth	earth	NN
39142	490	7	this	this	DT
39142	490	8	attraction	attraction	NN
39142	490	9	is	be	VBZ
39142	490	10	strong	strong	JJ
39142	490	11	enough	enough	RB
39142	490	12	to	to	TO
39142	490	13	draw	draw	VB
39142	490	14	a	a	DT
39142	490	15	falling	fall	VBG
39142	490	16	body	body	NN
39142	490	17	downward	downward	RB
39142	490	18	through	through	IN
39142	490	19	a	a	DT
39142	490	20	vertical	vertical	JJ
39142	490	21	space	space	NN
39142	490	22	of	of	IN
39142	490	23	sixteen	sixteen	CD
39142	490	24	feet	foot	NNS
39142	490	25	in	in	IN
39142	490	26	a	a	DT
39142	490	27	second	second	NN
39142	490	28	of	of	IN
39142	490	29	time	time	NN
39142	490	30	.	.	.
39142	491	1	What	what	WP
39142	491	2	ought	ought	MD
39142	491	3	it	-PRON-	PRP
39142	491	4	to	to	TO
39142	491	5	be	be	VB
39142	491	6	at	at	IN
39142	491	7	the	the	DT
39142	491	8	distance	distance	NN
39142	491	9	of	of	IN
39142	491	10	the	the	DT
39142	491	11	moon	moon	NN
39142	491	12	.	.	.
39142	492	1	The	the	DT
39142	492	2	distance	distance	NN
39142	492	3	of	of	IN
39142	492	4	the	the	DT
39142	492	5	moon	moon	NN
39142	492	6	in	in	IN
39142	492	7	Newton	Newton	NNP
39142	492	8	's	's	POS
39142	492	9	time	time	NN
39142	492	10	was	be	VBD
39142	492	11	better	well	RBR
39142	492	12	known	know	VBN
39142	492	13	in	in	IN
39142	492	14	terms	term	NNS
39142	492	15	of	of	IN
39142	492	16	the	the	DT
39142	492	17	earth	earth	NN
39142	492	18	's	's	POS
39142	492	19	size	size	NN
39142	492	20	than	than	IN
39142	492	21	was	be	VBD
39142	492	22	the	the	DT
39142	492	23	size	size	NN
39142	492	24	of	of	IN
39142	492	25	the	the	DT
39142	492	26	earth	earth	NN
39142	492	27	itself	-PRON-	PRP
39142	492	28	:	:	:
39142	492	29	the	the	DT
39142	492	30	earth	earth	NN
39142	492	31	's	's	POS
39142	492	32	radius	radius	NN
39142	492	33	was	be	VBD
39142	492	34	known	know	VBN
39142	492	35	to	to	TO
39142	492	36	be	be	VB
39142	492	37	one	one	CD
39142	492	38	-	-	HYPH
39142	492	39	sixtieth	sixtieth	JJ
39142	492	40	of	of	IN
39142	492	41	the	the	DT
39142	492	42	moon	moon	NN
39142	492	43	's	's	POS
39142	492	44	distance	distance	NN
39142	492	45	,	,	,
39142	492	46	but	but	CC
39142	492	47	the	the	DT
39142	492	48	earth	earth	NN
39142	492	49	's	's	POS
39142	492	50	diameter	diameter	NN
39142	492	51	was	be	VBD
39142	492	52	thought	think	VBN
39142	492	53	to	to	TO
39142	492	54	be	be	VB
39142	492	55	something	something	NN
39142	492	56	under	under	IN
39142	492	57	7,000	7,000	CD
39142	492	58	miles	mile	NNS
39142	492	59	,	,	,
39142	492	60	so	so	IN
39142	492	61	that	that	IN
39142	492	62	Newton	Newton	NNP
39142	492	63	's	's	POS
39142	492	64	first	first	JJ
39142	492	65	calculations	calculation	NNS
39142	492	66	were	be	VBD
39142	492	67	most	most	RBS
39142	492	68	disappointing	disappointing	JJ
39142	492	69	,	,	,
39142	492	70	and	and	CC
39142	492	71	he	-PRON-	PRP
39142	492	72	laid	lay	VBD
39142	492	73	them	-PRON-	PRP
39142	492	74	aside	aside	RB
39142	492	75	for	for	IN
39142	492	76	nearly	nearly	RB
39142	492	77	twenty	twenty	CD
39142	492	78	years	year	NNS
39142	492	79	.	.	.
39142	493	1	Meanwhile	meanwhile	RB
39142	493	2	the	the	DT
39142	493	3	French	french	JJ
39142	493	4	astronomers	astronomer	NNS
39142	493	5	led	lead	VBN
39142	493	6	by	by	IN
39142	493	7	Picard	Picard	NNP
39142	493	8	had	have	VBD
39142	493	9	measured	measure	VBN
39142	493	10	the	the	DT
39142	493	11	earth	earth	NN
39142	493	12	anew	anew	RB
39142	493	13	,	,	,
39142	493	14	and	and	CC
39142	493	15	showed	show	VBD
39142	493	16	it	-PRON-	PRP
39142	493	17	to	to	TO
39142	493	18	be	be	VB
39142	493	19	nearly	nearly	RB
39142	493	20	8,000	8,000	CD
39142	493	21	miles	mile	NNS
39142	493	22	in	in	IN
39142	493	23	diameter	diameter	NN
39142	493	24	.	.	.
39142	494	1	As	as	RB
39142	494	2	soon	soon	RB
39142	494	3	as	as	IN
39142	494	4	Newton	Newton	NNP
39142	494	5	learned	learn	VBD
39142	494	6	of	of	IN
39142	494	7	this	this	DT
39142	494	8	,	,	,
39142	494	9	he	-PRON-	PRP
39142	494	10	revised	revise	VBD
39142	494	11	his	-PRON-	PRP$
39142	494	12	calculations	calculation	NNS
39142	494	13	,	,	,
39142	494	14	and	and	CC
39142	494	15	found	find	VBD
39142	494	16	that	that	IN
39142	494	17	by	by	IN
39142	494	18	the	the	DT
39142	494	19	law	law	NN
39142	494	20	of	of	IN
39142	494	21	the	the	DT
39142	494	22	inverse	inverse	NN
39142	494	23	square	square	NN
39142	494	24	the	the	DT
39142	494	25	moon	moon	NN
39142	494	26	,	,	,
39142	494	27	in	in	IN
39142	494	28	one	one	CD
39142	494	29	second	second	NN
39142	494	30	,	,	,
39142	494	31	should	should	MD
39142	494	32	fall	fall	VB
39142	494	33	away	away	RB
39142	494	34	from	from	IN
39142	494	35	a	a	DT
39142	494	36	tangent	tangent	NN
39142	494	37	to	to	IN
39142	494	38	its	-PRON-	PRP$
39142	494	39	orbit	orbit	NN
39142	494	40	one	one	CD
39142	494	41	thirty	thirty	CD
39142	494	42	-	-	HYPH
39142	494	43	six	six	CD
39142	494	44	hundredth	hundredth	NN
39142	494	45	of	of	IN
39142	494	46	sixteen	sixteen	CD
39142	494	47	feet	foot	NNS
39142	494	48	.	.	.
39142	495	1	This	this	DT
39142	495	2	accorded	accord	VBD
39142	495	3	exactly	exactly	RB
39142	495	4	with	with	IN
39142	495	5	his	-PRON-	PRP$
39142	495	6	original	original	JJ
39142	495	7	supposition	supposition	NN
39142	495	8	that	that	IN
39142	495	9	the	the	DT
39142	495	10	earth	earth	NN
39142	495	11	's	's	POS
39142	495	12	attraction	attraction	NN
39142	495	13	extended	extend	VBN
39142	495	14	to	to	IN
39142	495	15	the	the	DT
39142	495	16	moon	moon	NN
39142	495	17	.	.	.
39142	496	1	So	so	RB
39142	496	2	he	-PRON-	PRP
39142	496	3	concluded	conclude	VBD
39142	496	4	that	that	IN
39142	496	5	the	the	DT
39142	496	6	force	force	NN
39142	496	7	which	which	WDT
39142	496	8	makes	make	VBZ
39142	496	9	a	a	DT
39142	496	10	stone	stone	NN
39142	496	11	fall	fall	NN
39142	496	12	,	,	,
39142	496	13	or	or	CC
39142	496	14	an	an	DT
39142	496	15	apple	apple	NN
39142	496	16	,	,	,
39142	496	17	as	as	IN
39142	496	18	the	the	DT
39142	496	19	story	story	NN
39142	496	20	goes	go	VBZ
39142	496	21	,	,	,
39142	496	22	is	be	VBZ
39142	496	23	the	the	DT
39142	496	24	same	same	JJ
39142	496	25	force	force	NN
39142	496	26	that	that	WDT
39142	496	27	holds	hold	VBZ
39142	496	28	the	the	DT
39142	496	29	moon	moon	NN
39142	496	30	in	in	IN
39142	496	31	its	-PRON-	PRP$
39142	496	32	orbit	orbit	NN
39142	496	33	,	,	,
39142	496	34	and	and	CC
39142	496	35	that	that	IN
39142	496	36	this	this	DT
39142	496	37	force	force	NN
39142	496	38	diminishes	diminish	VBZ
39142	496	39	in	in	IN
39142	496	40	the	the	DT
39142	496	41	exact	exact	JJ
39142	496	42	proportion	proportion	NN
39142	496	43	that	that	WDT
39142	496	44	the	the	DT
39142	496	45	square	square	NN
39142	496	46	of	of	IN
39142	496	47	the	the	DT
39142	496	48	distance	distance	NN
39142	496	49	from	from	IN
39142	496	50	the	the	DT
39142	496	51	earth	earth	NN
39142	496	52	's	's	POS
39142	496	53	center	center	NN
39142	496	54	increases	increase	NNS
39142	496	55	.	.	.
39142	497	1	The	the	DT
39142	497	2	moon	moon	NN
39142	497	3	,	,	,
39142	497	4	indeed	indeed	RB
39142	497	5	,	,	,
39142	497	6	becomes	become	VBZ
39142	497	7	a	a	DT
39142	497	8	falling	fall	VBG
39142	497	9	body	body	NN
39142	497	10	;	;	:
39142	497	11	only	only	RB
39142	497	12	,	,	,
39142	497	13	as	as	IN
39142	497	14	Kingdon	Kingdon	NNP
39142	497	15	Clifford	Clifford	NNP
39142	497	16	puts	put	VBZ
39142	497	17	it	-PRON-	PRP
39142	497	18	:	:	:
39142	497	19	"	"	``
39142	497	20	She	-PRON-	PRP
39142	497	21	is	be	VBZ
39142	497	22	going	go	VBG
39142	497	23	so	so	RB
39142	497	24	fast	fast	RB
39142	497	25	and	and	CC
39142	497	26	is	be	VBZ
39142	497	27	so	so	RB
39142	497	28	far	far	RB
39142	497	29	off	off	RB
39142	497	30	that	that	IN
39142	497	31	she	-PRON-	PRP
39142	497	32	falls	fall	VBZ
39142	497	33	quite	quite	RB
39142	497	34	around	around	RB
39142	497	35	to	to	IN
39142	497	36	the	the	DT
39142	497	37	other	other	JJ
39142	497	38	side	side	NN
39142	497	39	of	of	IN
39142	497	40	the	the	DT
39142	497	41	earth	earth	NN
39142	497	42	,	,	,
39142	497	43	instead	instead	RB
39142	497	44	of	of	IN
39142	497	45	hitting	hit	VBG
39142	497	46	it	-PRON-	PRP
39142	497	47	;	;	:
39142	497	48	and	and	CC
39142	497	49	so	so	RB
39142	497	50	goes	go	VBZ
39142	497	51	on	on	RP
39142	497	52	forever	forever	RB
39142	497	53	.	.	.
39142	497	54	"	"	''
39142	498	1	[	[	-LRB-
39142	498	2	Illustration	illustration	NN
39142	498	3	:	:	:
39142	498	4	NICHOLAS	NICHOLAS	NNP
39142	498	5	COPERNICUS	COPERNICUS	NNP
39142	498	6	]	]	-RRB-
39142	498	7	[	[	-LRB-
39142	498	8	Illustration	illustration	NN
39142	498	9	:	:	:
39142	498	10	GALILEO	galileo	NN
39142	498	11	GALILEI	galilei	NN
39142	498	12	]	]	-RRB-
39142	498	13	[	[	-LRB-
39142	498	14	Illustration	illustration	NN
39142	498	15	:	:	:
39142	498	16	JOHANN	JOHANN	NNP
39142	498	17	KEPLER	KEPLER	NNP
39142	498	18	]	]	-RRB-
39142	498	19	[	[	-LRB-
39142	498	20	Illustration	illustration	NN
39142	498	21	:	:	:
39142	498	22	SIR	SIR	NNP
39142	498	23	ISAAC	ISAAC	NNP
39142	498	24	NEWTON	NEWTON	NNP
39142	498	25	]	]	-RRB-
39142	498	26	Newton	Newton	NNP
39142	498	27	goes	go	VBZ
39142	498	28	on	on	RP
39142	498	29	in	in	IN
39142	498	30	the	the	DT
39142	498	31	_	_	NNP
39142	498	32	Principia	Principia	NNP
39142	498	33	_	_	NNP
39142	498	34	to	to	TO
39142	498	35	explain	explain	VB
39142	498	36	the	the	DT
39142	498	37	extension	extension	NN
39142	498	38	of	of	IN
39142	498	39	gravitation	gravitation	NN
39142	498	40	to	to	IN
39142	498	41	the	the	DT
39142	498	42	other	other	JJ
39142	498	43	bodies	body	NNS
39142	498	44	of	of	IN
39142	498	45	the	the	DT
39142	498	46	solar	solar	JJ
39142	498	47	system	system	NN
39142	498	48	beyond	beyond	IN
39142	498	49	the	the	DT
39142	498	50	earth	earth	NN
39142	498	51	and	and	CC
39142	498	52	moon	moon	NN
39142	498	53	.	.	.
39142	499	1	Clearly	clearly	RB
39142	499	2	the	the	DT
39142	499	3	same	same	JJ
39142	499	4	gravitation	gravitation	NN
39142	499	5	that	that	WDT
39142	499	6	holds	hold	VBZ
39142	499	7	the	the	DT
39142	499	8	moon	moon	NN
39142	499	9	in	in	IN
39142	499	10	its	-PRON-	PRP$
39142	499	11	orbit	orbit	NN
39142	499	12	round	round	IN
39142	499	13	the	the	DT
39142	499	14	earth	earth	NN
39142	499	15	,	,	,
39142	499	16	must	must	MD
39142	499	17	extend	extend	VB
39142	499	18	outward	outward	RB
39142	499	19	from	from	IN
39142	499	20	the	the	DT
39142	499	21	sun	sun	NN
39142	499	22	also	also	RB
39142	499	23	,	,	,
39142	499	24	and	and	CC
39142	499	25	hold	hold	VB
39142	499	26	all	all	PDT
39142	499	27	the	the	DT
39142	499	28	planets	planet	NNS
39142	499	29	in	in	IN
39142	499	30	their	-PRON-	PRP$
39142	499	31	orbits	orbit	NNS
39142	499	32	centered	center	VBN
39142	499	33	about	about	IN
39142	499	34	him	-PRON-	PRP
39142	499	35	.	.	.
39142	500	1	Newton	Newton	NNP
39142	500	2	demonstrates	demonstrate	VBZ
39142	500	3	by	by	IN
39142	500	4	calculation	calculation	NN
39142	500	5	based	base	VBN
39142	500	6	on	on	IN
39142	500	7	Kepler	Kepler	NNP
39142	500	8	's	's	POS
39142	500	9	third	third	JJ
39142	500	10	law	law	NN
39142	500	11	that	that	WDT
39142	500	12	(	(	-LRB-
39142	500	13	1	1	LS
39142	500	14	)	)	-RRB-
39142	500	15	the	the	DT
39142	500	16	forces	force	NNS
39142	500	17	drawing	draw	VBG
39142	500	18	the	the	DT
39142	500	19	planets	planet	NNS
39142	500	20	toward	toward	IN
39142	500	21	the	the	DT
39142	500	22	sun	sun	NN
39142	500	23	are	be	VBP
39142	500	24	inversely	inversely	RB
39142	500	25	as	as	IN
39142	500	26	the	the	DT
39142	500	27	squares	square	NNS
39142	500	28	of	of	IN
39142	500	29	their	-PRON-	PRP$
39142	500	30	mean	mean	JJ
39142	500	31	distances	distance	NNS
39142	500	32	from	from	IN
39142	500	33	him	-PRON-	PRP
39142	500	34	;	;	:
39142	500	35	and	and	CC
39142	500	36	(	(	-LRB-
39142	500	37	2	2	LS
39142	500	38	)	)	-RRB-
39142	500	39	if	if	IN
39142	500	40	the	the	DT
39142	500	41	force	force	NN
39142	500	42	be	be	VBP
39142	500	43	constantly	constantly	RB
39142	500	44	directed	direct	VBN
39142	500	45	toward	toward	IN
39142	500	46	the	the	DT
39142	500	47	sun	sun	NN
39142	500	48	,	,	,
39142	500	49	the	the	DT
39142	500	50	radius	radius	NN
39142	500	51	vector	vector	NN
39142	500	52	in	in	IN
39142	500	53	an	an	DT
39142	500	54	elliptic	elliptic	JJ
39142	500	55	orbit	orbit	NN
39142	500	56	must	must	MD
39142	500	57	pass	pass	VB
39142	500	58	over	over	RP
39142	500	59	equal	equal	JJ
39142	500	60	areas	area	NNS
39142	500	61	in	in	IN
39142	500	62	equal	equal	JJ
39142	500	63	times	time	NNS
39142	500	64	.	.	.
39142	501	1	CHAPTER	CHAPTER	NNP
39142	501	2	XIV	XIV	NNP
39142	501	3	NEWTON	NEWTON	NNP
39142	501	4	AND	and	CC
39142	501	5	GRAVITATION	GRAVITATION	NNP
39142	501	6	So	so	RB
39142	501	7	all	all	DT
39142	501	8	of	of	IN
39142	501	9	Kepler	Kepler	NNP
39142	501	10	's	's	POS
39142	501	11	laws	law	NNS
39142	501	12	could	could	MD
39142	501	13	be	be	VB
39142	501	14	embodied	embody	VBN
39142	501	15	in	in	IN
39142	501	16	a	a	DT
39142	501	17	single	single	JJ
39142	501	18	law	law	NN
39142	501	19	of	of	IN
39142	501	20	gravitation	gravitation	NN
39142	501	21	toward	toward	IN
39142	501	22	a	a	DT
39142	501	23	central	central	JJ
39142	501	24	body	body	NN
39142	501	25	,	,	,
39142	501	26	whose	whose	WP$
39142	501	27	force	force	NN
39142	501	28	of	of	IN
39142	501	29	attraction	attraction	NN
39142	501	30	decreases	decrease	VBZ
39142	501	31	outward	outward	RB
39142	501	32	in	in	IN
39142	501	33	exact	exact	JJ
39142	501	34	proportion	proportion	NN
39142	501	35	as	as	IN
39142	501	36	the	the	DT
39142	501	37	square	square	NN
39142	501	38	of	of	IN
39142	501	39	the	the	DT
39142	501	40	distance	distance	NN
39142	501	41	increases	increase	NNS
39142	501	42	.	.	.
39142	502	1	Only	only	RB
39142	502	2	one	one	CD
39142	502	3	farther	farther	JJ
39142	502	4	step	step	NN
39142	502	5	had	have	VBD
39142	502	6	to	to	TO
39142	502	7	be	be	VB
39142	502	8	taken	take	VBN
39142	502	9	,	,	,
39142	502	10	and	and	CC
39142	502	11	this	this	DT
39142	502	12	the	the	DT
39142	502	13	most	most	RBS
39142	502	14	complicated	complicated	JJ
39142	502	15	of	of	IN
39142	502	16	all	all	DT
39142	502	17	:	:	:
39142	502	18	he	-PRON-	PRP
39142	502	19	must	must	MD
39142	502	20	make	make	VB
39142	502	21	all	all	PDT
39142	502	22	the	the	DT
39142	502	23	bodies	body	NNS
39142	502	24	of	of	IN
39142	502	25	the	the	DT
39142	502	26	sky	sky	NN
39142	502	27	conform	conform	NN
39142	502	28	to	to	IN
39142	502	29	his	-PRON-	PRP$
39142	502	30	third	third	JJ
39142	502	31	law	law	NN
39142	502	32	of	of	IN
39142	502	33	motion	motion	NN
39142	502	34	.	.	.
39142	503	1	This	this	DT
39142	503	2	is	be	VBZ
39142	503	3	:	:	:
39142	503	4	Action	action	NN
39142	503	5	and	and	CC
39142	503	6	reaction	reaction	NN
39142	503	7	are	be	VBP
39142	503	8	equal	equal	JJ
39142	503	9	,	,	,
39142	503	10	or	or	CC
39142	503	11	the	the	DT
39142	503	12	mutual	mutual	JJ
39142	503	13	actions	action	NNS
39142	503	14	of	of	IN
39142	503	15	any	any	DT
39142	503	16	two	two	CD
39142	503	17	bodies	body	NNS
39142	503	18	are	be	VBP
39142	503	19	always	always	RB
39142	503	20	equal	equal	JJ
39142	503	21	and	and	CC
39142	503	22	oppositely	oppositely	RB
39142	503	23	directed	direct	VBN
39142	503	24	.	.	.
39142	504	1	There	there	EX
39142	504	2	must	must	MD
39142	504	3	be	be	VB
39142	504	4	mutual	mutual	JJ
39142	504	5	attractions	attraction	NNS
39142	504	6	everywhere	everywhere	RB
39142	504	7	:	:	:
39142	504	8	earth	earth	NN
39142	504	9	for	for	IN
39142	504	10	sun	sun	NN
39142	504	11	as	as	RB
39142	504	12	well	well	RB
39142	504	13	as	as	IN
39142	504	14	sun	sun	NN
39142	504	15	for	for	IN
39142	504	16	earth	earth	NN
39142	504	17	,	,	,
39142	504	18	moon	moon	NN
39142	504	19	for	for	IN
39142	504	20	sun	sun	NN
39142	504	21	and	and	CC
39142	504	22	sun	sun	NNP
39142	504	23	for	for	IN
39142	504	24	moon	moon	NN
39142	504	25	,	,	,
39142	504	26	earth	earth	NN
39142	504	27	for	for	IN
39142	504	28	Venus	Venus	NNP
39142	504	29	and	and	CC
39142	504	30	Venus	Venus	NNP
39142	504	31	for	for	IN
39142	504	32	earth	earth	NN
39142	504	33	,	,	,
39142	504	34	Jupiter	Jupiter	NNP
39142	504	35	for	for	IN
39142	504	36	Saturn	Saturn	NNP
39142	504	37	and	and	CC
39142	504	38	Saturn	Saturn	NNP
39142	504	39	for	for	IN
39142	504	40	Jupiter	Jupiter	NNP
39142	504	41	,	,	,
39142	504	42	and	and	CC
39142	504	43	so	so	RB
39142	504	44	on	on	RB
39142	504	45	.	.	.
39142	505	1	The	the	DT
39142	505	2	motions	motion	NNS
39142	505	3	of	of	IN
39142	505	4	the	the	DT
39142	505	5	planets	planet	NNS
39142	505	6	in	in	IN
39142	505	7	the	the	DT
39142	505	8	undisturbed	undisturbed	JJ
39142	505	9	ellipses	ellipsis	NNS
39142	505	10	of	of	IN
39142	505	11	Kepler	Kepler	NNP
39142	505	12	must	must	MD
39142	505	13	be	be	VB
39142	505	14	impossible	impossible	JJ
39142	505	15	.	.	.
39142	506	1	As	as	IN
39142	506	2	observations	observation	NNS
39142	506	3	of	of	IN
39142	506	4	the	the	DT
39142	506	5	planets	planet	NNS
39142	506	6	became	become	VBD
39142	506	7	more	more	RBR
39142	506	8	accurate	accurate	JJ
39142	506	9	,	,	,
39142	506	10	it	-PRON-	PRP
39142	506	11	was	be	VBD
39142	506	12	found	find	VBN
39142	506	13	that	that	IN
39142	506	14	they	-PRON-	PRP
39142	506	15	really	really	RB
39142	506	16	did	do	VBD
39142	506	17	fail	fail	VB
39142	506	18	to	to	TO
39142	506	19	move	move	VB
39142	506	20	in	in	IN
39142	506	21	exact	exact	JJ
39142	506	22	accord	accord	NN
39142	506	23	with	with	IN
39142	506	24	Kepler	Kepler	NNP
39142	506	25	's	's	POS
39142	506	26	laws	law	NNS
39142	506	27	unmodified	unmodified	JJ
39142	506	28	.	.	.
39142	507	1	Newton	Newton	NNP
39142	507	2	was	be	VBD
39142	507	3	unable	unable	JJ
39142	507	4	,	,	,
39142	507	5	with	with	IN
39142	507	6	the	the	DT
39142	507	7	imperfect	imperfect	JJ
39142	507	8	processes	process	NNS
39142	507	9	of	of	IN
39142	507	10	the	the	DT
39142	507	11	mathematics	mathematic	NNS
39142	507	12	of	of	IN
39142	507	13	his	-PRON-	PRP$
39142	507	14	day	day	NN
39142	507	15	to	to	TO
39142	507	16	ascertain	ascertain	VB
39142	507	17	whether	whether	IN
39142	507	18	the	the	DT
39142	507	19	deviations	deviation	NNS
39142	507	20	then	then	RB
39142	507	21	known	know	VBN
39142	507	22	could	could	MD
39142	507	23	be	be	VB
39142	507	24	accounted	account	VBN
39142	507	25	for	for	IN
39142	507	26	by	by	IN
39142	507	27	his	-PRON-	PRP$
39142	507	28	law	law	NN
39142	507	29	of	of	IN
39142	507	30	gravitation	gravitation	NN
39142	507	31	;	;	:
39142	507	32	but	but	CC
39142	507	33	he	-PRON-	PRP
39142	507	34	nevertheless	nevertheless	RB
39142	507	35	formulated	formulate	VBD
39142	507	36	the	the	DT
39142	507	37	law	law	NN
39142	507	38	with	with	IN
39142	507	39	entire	entire	JJ
39142	507	40	precision	precision	NN
39142	507	41	,	,	,
39142	507	42	as	as	IN
39142	507	43	follows	follow	VBZ
39142	507	44	:	:	:
39142	507	45	Every	every	DT
39142	507	46	particle	particle	NN
39142	507	47	of	of	IN
39142	507	48	matter	matter	NN
39142	507	49	in	in	IN
39142	507	50	the	the	DT
39142	507	51	universe	universe	NN
39142	507	52	attracts	attract	VBZ
39142	507	53	every	every	DT
39142	507	54	other	other	JJ
39142	507	55	particle	particle	NN
39142	507	56	with	with	IN
39142	507	57	a	a	DT
39142	507	58	force	force	NN
39142	507	59	exactly	exactly	RB
39142	507	60	proportioned	proportion	VBN
39142	507	61	to	to	IN
39142	507	62	the	the	DT
39142	507	63	product	product	NN
39142	507	64	of	of	IN
39142	507	65	their	-PRON-	PRP$
39142	507	66	masses	masse	NNS
39142	507	67	,	,	,
39142	507	68	and	and	CC
39142	507	69	inversely	inversely	RB
39142	507	70	as	as	IN
39142	507	71	the	the	DT
39142	507	72	square	square	NN
39142	507	73	of	of	IN
39142	507	74	the	the	DT
39142	507	75	distance	distance	NN
39142	507	76	between	between	IN
39142	507	77	their	-PRON-	PRP$
39142	507	78	centers	center	NNS
39142	507	79	.	.	.
39142	508	1	The	the	DT
39142	508	2	centuries	century	NNS
39142	508	3	of	of	IN
39142	508	4	astronomical	astronomical	JJ
39142	508	5	research	research	NN
39142	508	6	since	since	IN
39142	508	7	Newton	Newton	NNP
39142	508	8	's	's	POS
39142	508	9	day	day	NN
39142	508	10	,	,	,
39142	508	11	however	however	RB
39142	508	12	,	,	,
39142	508	13	have	have	VBP
39142	508	14	verified	verify	VBN
39142	508	15	the	the	DT
39142	508	16	great	great	JJ
39142	508	17	law	law	NN
39142	508	18	with	with	IN
39142	508	19	the	the	DT
39142	508	20	utmost	utmost	JJ
39142	508	21	exactness	exactness	NN
39142	508	22	.	.	.
39142	509	1	Practically	practically	RB
39142	509	2	every	every	DT
39142	509	3	irregularity	irregularity	NN
39142	509	4	of	of	IN
39142	509	5	lunar	lunar	JJ
39142	509	6	and	and	CC
39142	509	7	planetary	planetary	NN
39142	509	8	motion	motion	NN
39142	509	9	is	be	VBZ
39142	509	10	accounted	account	VBN
39142	509	11	for	for	IN
39142	509	12	;	;	:
39142	509	13	indeed	indeed	RB
39142	509	14	,	,	,
39142	509	15	the	the	DT
39142	509	16	intricacies	intricacy	NNS
39142	509	17	of	of	IN
39142	509	18	the	the	DT
39142	509	19	problems	problem	NNS
39142	509	20	involved	involve	VBN
39142	509	21	,	,	,
39142	509	22	and	and	CC
39142	509	23	the	the	DT
39142	509	24	nicety	nicety	NN
39142	509	25	of	of	IN
39142	509	26	their	-PRON-	PRP$
39142	509	27	solution	solution	NN
39142	509	28	,	,	,
39142	509	29	have	have	VBP
39142	509	30	led	lead	VBN
39142	509	31	to	to	IN
39142	509	32	the	the	DT
39142	509	33	invention	invention	NN
39142	509	34	of	of	IN
39142	509	35	new	new	JJ
39142	509	36	mathematical	mathematical	JJ
39142	509	37	processes	process	NNS
39142	509	38	adequate	adequate	JJ
39142	509	39	to	to	IN
39142	509	40	the	the	DT
39142	509	41	difficulties	difficulty	NNS
39142	509	42	encountered	encounter	VBN
39142	509	43	.	.	.
39142	510	1	And	and	CC
39142	510	2	about	about	IN
39142	510	3	the	the	DT
39142	510	4	middle	middle	NN
39142	510	5	of	of	IN
39142	510	6	the	the	DT
39142	510	7	last	last	JJ
39142	510	8	century	century	NN
39142	510	9	,	,	,
39142	510	10	when	when	WRB
39142	510	11	Uranus	Uranus	NNP
39142	510	12	departed	depart	VBD
39142	510	13	from	from	IN
39142	510	14	the	the	DT
39142	510	15	path	path	NN
39142	510	16	laid	lay	VBN
39142	510	17	out	out	RP
39142	510	18	for	for	IN
39142	510	19	it	-PRON-	PRP
39142	510	20	by	by	IN
39142	510	21	the	the	DT
39142	510	22	mathematical	mathematical	JJ
39142	510	23	astronomers	astronomer	NNS
39142	510	24	,	,	,
39142	510	25	its	-PRON-	PRP$
39142	510	26	orbital	orbital	JJ
39142	510	27	deviations	deviation	NNS
39142	510	28	were	be	VBD
39142	510	29	made	make	VBN
39142	510	30	the	the	DT
39142	510	31	basis	basis	NN
39142	510	32	of	of	IN
39142	510	33	an	an	DT
39142	510	34	investigation	investigation	NN
39142	510	35	which	which	WDT
39142	510	36	soon	soon	RB
39142	510	37	led	lead	VBD
39142	510	38	to	to	IN
39142	510	39	the	the	DT
39142	510	40	assignment	assignment	NN
39142	510	41	of	of	IN
39142	510	42	the	the	DT
39142	510	43	position	position	NN
39142	510	44	where	where	WRB
39142	510	45	a	a	DT
39142	510	46	great	great	JJ
39142	510	47	planet	planet	NN
39142	510	48	could	could	MD
39142	510	49	be	be	VB
39142	510	50	found	find	VBN
39142	510	51	that	that	WDT
39142	510	52	would	would	MD
39142	510	53	account	account	VB
39142	510	54	for	for	IN
39142	510	55	the	the	DT
39142	510	56	unexplained	unexplained	JJ
39142	510	57	irregularities	irregularity	NNS
39142	510	58	of	of	IN
39142	510	59	the	the	DT
39142	510	60	motion	motion	NN
39142	510	61	of	of	IN
39142	510	62	Uranus	uranus	NN
39142	510	63	.	.	.
39142	511	1	And	and	CC
39142	511	2	the	the	DT
39142	511	3	immediate	immediate	JJ
39142	511	4	discovery	discovery	NN
39142	511	5	of	of	IN
39142	511	6	this	this	DT
39142	511	7	planet	planet	NN
39142	511	8	,	,	,
39142	511	9	Neptune	Neptune	NNP
39142	511	10	,	,	,
39142	511	11	became	become	VBD
39142	511	12	the	the	DT
39142	511	13	most	most	RBS
39142	511	14	striking	striking	JJ
39142	511	15	verification	verification	NN
39142	511	16	of	of	IN
39142	511	17	the	the	DT
39142	511	18	Newtonian	newtonian	JJ
39142	511	19	law	law	NN
39142	511	20	that	that	WDT
39142	511	21	the	the	DT
39142	511	22	solar	solar	JJ
39142	511	23	system	system	NN
39142	511	24	could	could	MD
39142	511	25	possibly	possibly	RB
39142	511	26	afford	afford	VB
39142	511	27	.	.	.
39142	512	1	The	the	DT
39142	512	2	astronomers	astronomer	NNS
39142	512	3	of	of	IN
39142	512	4	still	still	RB
39142	512	5	later	later	RB
39142	512	6	days	day	NNS
39142	512	7	investigating	investigate	VBG
39142	512	8	the	the	DT
39142	512	9	statelier	stately	JJR
39142	512	10	motions	motion	NNS
39142	512	11	of	of	IN
39142	512	12	stellar	stellar	JJ
39142	512	13	systems	system	NNS
39142	512	14	find	find	VBP
39142	512	15	the	the	DT
39142	512	16	Newtonian	newtonian	JJ
39142	512	17	law	law	NN
39142	512	18	regnant	regnant	NN
39142	512	19	everywhere	everywhere	RB
39142	512	20	among	among	IN
39142	512	21	the	the	DT
39142	512	22	stars	star	NNS
39142	512	23	where	where	WRB
39142	512	24	our	-PRON-	PRP$
39142	512	25	most	most	RBS
39142	512	26	powerful	powerful	JJ
39142	512	27	telescopes	telescope	NNS
39142	512	28	have	have	VBP
39142	512	29	as	as	RB
39142	512	30	yet	yet	RB
39142	512	31	reached	reach	VBN
39142	512	32	.	.	.
39142	513	1	So	so	RB
39142	513	2	that	that	IN
39142	513	3	Newton	Newton	NNP
39142	513	4	's	's	POS
39142	513	5	law	law	NN
39142	513	6	is	be	VBZ
39142	513	7	known	know	VBN
39142	513	8	as	as	IN
39142	513	9	the	the	DT
39142	513	10	law	law	NN
39142	513	11	of	of	IN
39142	513	12	Universal	Universal	NNP
39142	513	13	Gravitation	Gravitation	NNP
39142	513	14	,	,	,
39142	513	15	and	and	CC
39142	513	16	its	-PRON-	PRP$
39142	513	17	author	author	NN
39142	513	18	is	be	VBZ
39142	513	19	everywhere	everywhere	RB
39142	513	20	held	hold	VBN
39142	513	21	as	as	IN
39142	513	22	the	the	DT
39142	513	23	greatest	great	JJS
39142	513	24	scientist	scientist	NN
39142	513	25	of	of	IN
39142	513	26	the	the	DT
39142	513	27	ages	age	NNS
39142	513	28	.	.	.
39142	514	1	Newton	Newton	NNP
39142	514	2	's	's	POS
39142	514	3	_	_	NNP
39142	514	4	Principia	Principia	NNP
39142	514	5	_	_	NNP
39142	514	6	may	may	MD
39142	514	7	be	be	VB
39142	514	8	regarded	regard	VBN
39142	514	9	as	as	IN
39142	514	10	the	the	DT
39142	514	11	culminating	culminate	VBG
39142	514	12	research	research	NN
39142	514	13	of	of	IN
39142	514	14	the	the	DT
39142	514	15	inductive	inductive	JJ
39142	514	16	method	method	NN
39142	514	17	,	,	,
39142	514	18	and	and	CC
39142	514	19	further	further	JJ
39142	514	20	outline	outline	NN
39142	514	21	of	of	IN
39142	514	22	its	-PRON-	PRP$
39142	514	23	contents	content	NNS
39142	514	24	is	be	VBZ
39142	514	25	desirable	desirable	JJ
39142	514	26	.	.	.
39142	515	1	It	-PRON-	PRP
39142	515	2	is	be	VBZ
39142	515	3	divided	divide	VBN
39142	515	4	into	into	IN
39142	515	5	three	three	CD
39142	515	6	books	book	NNS
39142	515	7	following	follow	VBG
39142	515	8	certain	certain	JJ
39142	515	9	introductory	introductory	JJ
39142	515	10	sections	section	NNS
39142	515	11	.	.	.
39142	516	1	The	the	DT
39142	516	2	first	first	JJ
39142	516	3	book	book	NN
39142	516	4	treats	treat	NNS
39142	516	5	of	of	IN
39142	516	6	the	the	DT
39142	516	7	problems	problem	NNS
39142	516	8	of	of	IN
39142	516	9	moving	move	VBG
39142	516	10	bodies	body	NNS
39142	516	11	,	,	,
39142	516	12	the	the	DT
39142	516	13	solutions	solution	NNS
39142	516	14	being	be	VBG
39142	516	15	worked	work	VBN
39142	516	16	out	out	RP
39142	516	17	generally	generally	RB
39142	516	18	and	and	CC
39142	516	19	not	not	RB
39142	516	20	with	with	IN
39142	516	21	special	special	JJ
39142	516	22	reference	reference	NN
39142	516	23	to	to	IN
39142	516	24	astronomy	astronomy	NNP
39142	516	25	.	.	.
39142	517	1	The	the	DT
39142	517	2	second	second	JJ
39142	517	3	book	book	NN
39142	517	4	deals	deal	VBZ
39142	517	5	with	with	IN
39142	517	6	the	the	DT
39142	517	7	motion	motion	NN
39142	517	8	of	of	IN
39142	517	9	bodies	body	NNS
39142	517	10	through	through	IN
39142	517	11	resistant	resistant	JJ
39142	517	12	media	medium	NNS
39142	517	13	,	,	,
39142	517	14	as	as	IN
39142	517	15	fluids	fluid	NNS
39142	517	16	,	,	,
39142	517	17	and	and	CC
39142	517	18	has	have	VBZ
39142	517	19	very	very	RB
39142	517	20	little	little	JJ
39142	517	21	significance	significance	NN
39142	517	22	in	in	IN
39142	517	23	astronomy	astronomy	NN
39142	517	24	.	.	.
39142	518	1	The	the	DT
39142	518	2	third	third	JJ
39142	518	3	book	book	NN
39142	518	4	is	be	VBZ
39142	518	5	the	the	DT
39142	518	6	all	all	RB
39142	518	7	important	important	JJ
39142	518	8	one	one	NN
39142	518	9	,	,	,
39142	518	10	and	and	CC
39142	518	11	applies	apply	VBZ
39142	518	12	his	-PRON-	PRP$
39142	518	13	general	general	JJ
39142	518	14	principles	principle	NNS
39142	518	15	to	to	IN
39142	518	16	the	the	DT
39142	518	17	case	case	NN
39142	518	18	of	of	IN
39142	518	19	the	the	DT
39142	518	20	actual	actual	JJ
39142	518	21	solar	solar	JJ
39142	518	22	system	system	NN
39142	518	23	,	,	,
39142	518	24	providing	provide	VBG
39142	518	25	a	a	DT
39142	518	26	full	full	JJ
39142	518	27	explanation	explanation	NN
39142	518	28	of	of	IN
39142	518	29	the	the	DT
39142	518	30	motions	motion	NNS
39142	518	31	of	of	IN
39142	518	32	all	all	PDT
39142	518	33	the	the	DT
39142	518	34	bodies	body	NNS
39142	518	35	of	of	IN
39142	518	36	the	the	DT
39142	518	37	system	system	NN
39142	518	38	known	know	VBN
39142	518	39	in	in	IN
39142	518	40	his	-PRON-	PRP$
39142	518	41	day	day	NN
39142	518	42	.	.	.
39142	519	1	Anyone	anyone	NN
39142	519	2	who	who	WP
39142	519	3	critically	critically	RB
39142	519	4	reads	read	VBZ
39142	519	5	the	the	DT
39142	519	6	_	_	NNP
39142	519	7	Principia	Principia	NNP
39142	519	8	_	_	NNP
39142	519	9	of	of	IN
39142	519	10	Newton	Newton	NNP
39142	519	11	will	will	MD
39142	519	12	be	be	VB
39142	519	13	forced	force	VBN
39142	519	14	to	to	TO
39142	519	15	conclude	conclude	VB
39142	519	16	that	that	IN
39142	519	17	its	-PRON-	PRP$
39142	519	18	author	author	NN
39142	519	19	was	be	VBD
39142	519	20	a	a	DT
39142	519	21	genius	genius	NN
39142	519	22	in	in	IN
39142	519	23	the	the	DT
39142	519	24	highest	high	JJS
39142	519	25	sense	sense	NN
39142	519	26	of	of	IN
39142	519	27	the	the	DT
39142	519	28	word	word	NN
39142	519	29	.	.	.
39142	520	1	The	the	DT
39142	520	2	elegance	elegance	NN
39142	520	3	and	and	CC
39142	520	4	thoroughness	thoroughness	NN
39142	520	5	of	of	IN
39142	520	6	the	the	DT
39142	520	7	demonstrations	demonstration	NNS
39142	520	8	,	,	,
39142	520	9	and	and	CC
39142	520	10	the	the	DT
39142	520	11	completeness	completeness	NN
39142	520	12	of	of	IN
39142	520	13	application	application	NN
39142	520	14	of	of	IN
39142	520	15	the	the	DT
39142	520	16	law	law	NN
39142	520	17	of	of	IN
39142	520	18	gravitation	gravitation	NN
39142	520	19	are	be	VBP
39142	520	20	especially	especially	RB
39142	520	21	impressive	impressive	JJ
39142	520	22	.	.	.
39142	521	1	The	the	DT
39142	521	2	universality	universality	NN
39142	521	3	of	of	IN
39142	521	4	his	-PRON-	PRP$
39142	521	5	new	new	JJ
39142	521	6	law	law	NN
39142	521	7	was	be	VBD
39142	521	8	the	the	DT
39142	521	9	feature	feature	NN
39142	521	10	to	to	TO
39142	521	11	which	which	WDT
39142	521	12	he	-PRON-	PRP
39142	521	13	gave	give	VBD
39142	521	14	particular	particular	JJ
39142	521	15	attention	attention	NN
39142	521	16	.	.	.
39142	522	1	It	-PRON-	PRP
39142	522	2	was	be	VBD
39142	522	3	clear	clear	JJ
39142	522	4	to	to	IN
39142	522	5	him	-PRON-	PRP
39142	522	6	that	that	IN
39142	522	7	the	the	DT
39142	522	8	gravitation	gravitation	NN
39142	522	9	of	of	IN
39142	522	10	a	a	DT
39142	522	11	planet	planet	NN
39142	522	12	,	,	,
39142	522	13	although	although	IN
39142	522	14	it	-PRON-	PRP
39142	522	15	acted	act	VBD
39142	522	16	as	as	IN
39142	522	17	if	if	IN
39142	522	18	wholly	wholly	RB
39142	522	19	concentrated	concentrate	VBD
39142	522	20	at	at	IN
39142	522	21	the	the	DT
39142	522	22	center	center	NN
39142	522	23	,	,	,
39142	522	24	was	be	VBD
39142	522	25	nevertheless	nevertheless	RB
39142	522	26	resident	resident	NN
39142	522	27	in	in	IN
39142	522	28	every	every	DT
39142	522	29	one	one	CD
39142	522	30	of	of	IN
39142	522	31	the	the	DT
39142	522	32	particles	particle	NNS
39142	522	33	of	of	IN
39142	522	34	which	which	WDT
39142	522	35	the	the	DT
39142	522	36	planet	planet	NN
39142	522	37	is	be	VBZ
39142	522	38	composed	compose	VBN
39142	522	39	.	.	.
39142	523	1	Indeed	indeed	RB
39142	523	2	,	,	,
39142	523	3	his	-PRON-	PRP$
39142	523	4	universal	universal	JJ
39142	523	5	law	law	NN
39142	523	6	was	be	VBD
39142	523	7	so	so	RB
39142	523	8	formulated	formulate	VBN
39142	523	9	as	as	IN
39142	523	10	to	to	TO
39142	523	11	make	make	VB
39142	523	12	every	every	DT
39142	523	13	particle	particle	NN
39142	523	14	attract	attract	VB
39142	523	15	every	every	DT
39142	523	16	other	other	JJ
39142	523	17	particle	particle	NN
39142	523	18	;	;	:
39142	523	19	and	and	CC
39142	523	20	an	an	DT
39142	523	21	investigation	investigation	NN
39142	523	22	known	know	VBN
39142	523	23	as	as	IN
39142	523	24	the	the	DT
39142	523	25	Cavendish	cavendish	JJ
39142	523	26	experiment	experiment	NN
39142	523	27	--	--	:
39142	523	28	a	a	DT
39142	523	29	research	research	NN
39142	523	30	of	of	IN
39142	523	31	great	great	JJ
39142	523	32	delicacy	delicacy	NN
39142	523	33	of	of	IN
39142	523	34	manipulation	manipulation	NN
39142	523	35	--	--	:
39142	523	36	not	not	RB
39142	523	37	only	only	RB
39142	523	38	proves	prove	VBZ
39142	523	39	this	this	DT
39142	523	40	,	,	,
39142	523	41	but	but	CC
39142	523	42	leads	lead	VBZ
39142	523	43	also	also	RB
39142	523	44	to	to	IN
39142	523	45	a	a	DT
39142	523	46	measurement	measurement	NN
39142	523	47	of	of	IN
39142	523	48	the	the	DT
39142	523	49	earth	earth	NN
39142	523	50	's	's	POS
39142	523	51	mean	mean	JJ
39142	523	52	density	density	NN
39142	523	53	,	,	,
39142	523	54	from	from	IN
39142	523	55	which	which	WDT
39142	523	56	we	-PRON-	PRP
39142	523	57	can	can	MD
39142	523	58	calculate	calculate	VB
39142	523	59	approximately	approximately	RB
39142	523	60	how	how	WRB
39142	523	61	much	much	JJ
39142	523	62	the	the	DT
39142	523	63	earth	earth	NN
39142	523	64	actually	actually	RB
39142	523	65	weighs	weigh	VBZ
39142	523	66	.	.	.
39142	524	1	Another	another	DT
39142	524	2	way	way	NN
39142	524	3	to	to	TO
39142	524	4	attack	attack	VB
39142	524	5	the	the	DT
39142	524	6	same	same	JJ
39142	524	7	problem	problem	NN
39142	524	8	is	be	VBZ
39142	524	9	by	by	IN
39142	524	10	measuring	measure	VBG
39142	524	11	the	the	DT
39142	524	12	attraction	attraction	NN
39142	524	13	of	of	IN
39142	524	14	mountains	mountain	NNS
39142	524	15	,	,	,
39142	524	16	as	as	IN
39142	524	17	Maskelyne	Maskelyne	NNP
39142	524	18	,	,	,
39142	524	19	Astronomer	Astronomer	NNP
39142	524	20	Royal	Royal	NNP
39142	524	21	of	of	IN
39142	524	22	Scotland	Scotland	NNP
39142	524	23	did	do	VBD
39142	524	24	on	on	IN
39142	524	25	Mount	Mount	NNP
39142	524	26	Schehallien	Schehallien	NNP
39142	524	27	in	in	IN
39142	524	28	Scotland	Scotland	NNP
39142	524	29	,	,	,
39142	524	30	which	which	WDT
39142	524	31	was	be	VBD
39142	524	32	selected	select	VBN
39142	524	33	because	because	IN
39142	524	34	of	of	IN
39142	524	35	its	-PRON-	PRP$
39142	524	36	sheer	sheer	JJ
39142	524	37	isolation	isolation	NN
39142	524	38	.	.	.
39142	525	1	The	the	DT
39142	525	2	attraction	attraction	NN
39142	525	3	of	of	IN
39142	525	4	the	the	DT
39142	525	5	mountain	mountain	NN
39142	525	6	deflected	deflect	VBD
39142	525	7	the	the	DT
39142	525	8	plumb	plumb	JJ
39142	525	9	-	-	HYPH
39142	525	10	lines	line	NNS
39142	525	11	by	by	IN
39142	525	12	measurable	measurable	JJ
39142	525	13	amounts	amount	NNS
39142	525	14	,	,	,
39142	525	15	the	the	DT
39142	525	16	volume	volume	NN
39142	525	17	of	of	IN
39142	525	18	the	the	DT
39142	525	19	mountain	mountain	NN
39142	525	20	was	be	VBD
39142	525	21	carefully	carefully	RB
39142	525	22	ascertained	ascertain	VBN
39142	525	23	by	by	IN
39142	525	24	surveys	survey	NNS
39142	525	25	,	,	,
39142	525	26	and	and	CC
39142	525	27	geologists	geologist	NNS
39142	525	28	found	find	VBD
39142	525	29	out	out	RP
39142	525	30	what	what	WP
39142	525	31	rocks	rock	NNS
39142	525	32	composed	compose	VBD
39142	525	33	it	-PRON-	PRP
39142	525	34	.	.	.
39142	526	1	So	so	RB
39142	526	2	the	the	DT
39142	526	3	weight	weight	NN
39142	526	4	of	of	IN
39142	526	5	the	the	DT
39142	526	6	entire	entire	JJ
39142	526	7	mountain	mountain	NN
39142	526	8	became	become	VBD
39142	526	9	pretty	pretty	RB
39142	526	10	well	well	RB
39142	526	11	known	known	JJ
39142	526	12	,	,	,
39142	526	13	and	and	CC
39142	526	14	combining	combine	VBG
39142	526	15	this	this	DT
39142	526	16	with	with	IN
39142	526	17	the	the	DT
39142	526	18	observed	observed	JJ
39142	526	19	deflection	deflection	NN
39142	526	20	,	,	,
39142	526	21	an	an	DT
39142	526	22	independent	independent	JJ
39142	526	23	value	value	NN
39142	526	24	of	of	IN
39142	526	25	the	the	DT
39142	526	26	earth	earth	NN
39142	526	27	's	's	POS
39142	526	28	weight	weight	NN
39142	526	29	was	be	VBD
39142	526	30	found	find	VBN
39142	526	31	.	.	.
39142	527	1	Still	still	RB
39142	527	2	other	other	JJ
39142	527	3	methods	method	NNS
39142	527	4	have	have	VBP
39142	527	5	been	be	VBN
39142	527	6	applied	apply	VBN
39142	527	7	to	to	IN
39142	527	8	this	this	DT
39142	527	9	question	question	NN
39142	527	10	,	,	,
39142	527	11	and	and	CC
39142	527	12	as	as	IN
39142	527	13	an	an	DT
39142	527	14	average	average	NN
39142	527	15	it	-PRON-	PRP
39142	527	16	is	be	VBZ
39142	527	17	found	find	VBN
39142	527	18	that	that	IN
39142	527	19	the	the	DT
39142	527	20	materials	material	NNS
39142	527	21	composing	compose	VBG
39142	527	22	the	the	DT
39142	527	23	earth	earth	NN
39142	527	24	are	be	VBP
39142	527	25	about	about	RB
39142	527	26	five	five	CD
39142	527	27	and	and	CC
39142	527	28	a	a	DT
39142	527	29	half	half	NN
39142	527	30	times	time	NNS
39142	527	31	as	as	RB
39142	527	32	heavy	heavy	JJ
39142	527	33	as	as	IN
39142	527	34	water	water	NN
39142	527	35	,	,	,
39142	527	36	and	and	CC
39142	527	37	the	the	DT
39142	527	38	total	total	JJ
39142	527	39	weight	weight	NN
39142	527	40	of	of	IN
39142	527	41	the	the	DT
39142	527	42	earth	earth	NN
39142	527	43	is	be	VBZ
39142	527	44	something	something	NN
39142	527	45	like	like	IN
39142	527	46	six	six	CD
39142	527	47	sextillions	sextillion	NNS
39142	527	48	of	of	IN
39142	527	49	tons	ton	NNS
39142	527	50	.	.	.
39142	528	1	What	what	WP
39142	528	2	is	be	VBZ
39142	528	3	the	the	DT
39142	528	4	true	true	JJ
39142	528	5	shape	shape	NN
39142	528	6	of	of	IN
39142	528	7	the	the	DT
39142	528	8	earth	earth	NN
39142	528	9	?	?	.
39142	529	1	And	and	CC
39142	529	2	does	do	VBZ
39142	529	3	the	the	DT
39142	529	4	earth	earth	NN
39142	529	5	's	's	POS
39142	529	6	turning	turn	VBG
39142	529	7	round	round	NN
39142	529	8	on	on	IN
39142	529	9	its	-PRON-	PRP$
39142	529	10	axis	axi	NNS
39142	529	11	affect	affect	VBP
39142	529	12	this	this	DT
39142	529	13	shape	shape	NN
39142	529	14	?	?	.
39142	530	1	Newton	Newton	NNP
39142	530	2	saw	see	VBD
39142	530	3	the	the	DT
39142	530	4	answer	answer	NN
39142	530	5	to	to	IN
39142	530	6	these	these	DT
39142	530	7	questions	question	NNS
39142	530	8	in	in	IN
39142	530	9	his	-PRON-	PRP$
39142	530	10	law	law	NN
39142	530	11	of	of	IN
39142	530	12	gravitation	gravitation	NN
39142	530	13	.	.	.
39142	531	1	A	a	DT
39142	531	2	spherical	spherical	JJ
39142	531	3	figure	figure	NN
39142	531	4	followed	follow	VBD
39142	531	5	as	as	IN
39142	531	6	a	a	DT
39142	531	7	matter	matter	NN
39142	531	8	of	of	IN
39142	531	9	course	course	NN
39142	531	10	from	from	IN
39142	531	11	the	the	DT
39142	531	12	mutual	mutual	JJ
39142	531	13	attraction	attraction	NN
39142	531	14	of	of	IN
39142	531	15	all	all	DT
39142	531	16	materials	material	NNS
39142	531	17	composing	compose	VBG
39142	531	18	the	the	DT
39142	531	19	earth	earth	NN
39142	531	20	,	,	,
39142	531	21	providing	provide	VBG
39142	531	22	it	-PRON-	PRP
39142	531	23	was	be	VBD
39142	531	24	at	at	IN
39142	531	25	rest	rest	NN
39142	531	26	,	,	,
39142	531	27	or	or	CC
39142	531	28	did	do	VBD
39142	531	29	not	not	RB
39142	531	30	turn	turn	VB
39142	531	31	round	round	RB
39142	531	32	on	on	IN
39142	531	33	its	-PRON-	PRP$
39142	531	34	axis	axis	NN
39142	531	35	.	.	.
39142	532	1	But	but	CC
39142	532	2	rotation	rotation	NN
39142	532	3	bulges	bulge	VBZ
39142	532	4	it	-PRON-	PRP
39142	532	5	at	at	IN
39142	532	6	the	the	DT
39142	532	7	equator	equator	NN
39142	532	8	and	and	CC
39142	532	9	draws	draw	VBZ
39142	532	10	it	-PRON-	PRP
39142	532	11	in	in	RP
39142	532	12	at	at	IN
39142	532	13	the	the	DT
39142	532	14	poles	pole	NNS
39142	532	15	,	,	,
39142	532	16	by	by	IN
39142	532	17	an	an	DT
39142	532	18	amount	amount	NN
39142	532	19	which	which	WDT
39142	532	20	calculation	calculation	NN
39142	532	21	shows	show	VBZ
39142	532	22	to	to	TO
39142	532	23	be	be	VB
39142	532	24	in	in	IN
39142	532	25	exact	exact	JJ
39142	532	26	agreement	agreement	NN
39142	532	27	with	with	IN
39142	532	28	the	the	DT
39142	532	29	amount	amount	NN
39142	532	30	ascertained	ascertain	VBN
39142	532	31	by	by	IN
39142	532	32	actual	actual	JJ
39142	532	33	measurement	measurement	NN
39142	532	34	of	of	IN
39142	532	35	the	the	DT
39142	532	36	earth	earth	NN
39142	532	37	itself	-PRON-	PRP
39142	532	38	.	.	.
39142	533	1	Another	another	DT
39142	533	2	curious	curious	JJ
39142	533	3	effect	effect	NN
39142	533	4	,	,	,
39142	533	5	not	not	RB
39142	533	6	at	at	IN
39142	533	7	first	first	JJ
39142	533	8	apparent	apparent	JJ
39142	533	9	,	,	,
39142	533	10	was	be	VBD
39142	533	11	that	that	IN
39142	533	12	all	all	DT
39142	533	13	bodies	body	NNS
39142	533	14	carried	carry	VBN
39142	533	15	from	from	IN
39142	533	16	high	high	JJ
39142	533	17	latitudes	latitude	NNS
39142	533	18	toward	toward	IN
39142	533	19	the	the	DT
39142	533	20	equator	equator	NN
39142	533	21	would	would	MD
39142	533	22	get	get	VB
39142	533	23	lighter	light	JJR
39142	533	24	and	and	CC
39142	533	25	lighter	light	JJR
39142	533	26	,	,	,
39142	533	27	in	in	IN
39142	533	28	consequence	consequence	NN
39142	533	29	of	of	IN
39142	533	30	the	the	DT
39142	533	31	centrifugal	centrifugal	JJ
39142	533	32	force	force	NN
39142	533	33	of	of	IN
39142	533	34	rotation	rotation	NN
39142	533	35	.	.	.
39142	534	1	This	this	DT
39142	534	2	was	be	VBD
39142	534	3	unexpectedly	unexpectedly	RB
39142	534	4	demonstrated	demonstrate	VBN
39142	534	5	by	by	IN
39142	534	6	Richer	Richer	NNP
39142	534	7	when	when	WRB
39142	534	8	the	the	DT
39142	534	9	French	French	NNP
39142	534	10	Academy	Academy	NNP
39142	534	11	sent	send	VBD
39142	534	12	him	-PRON-	PRP
39142	534	13	south	south	RB
39142	534	14	to	to	TO
39142	534	15	observe	observe	VB
39142	534	16	Mars	Mars	NNP
39142	534	17	in	in	IN
39142	534	18	1672	1672	CD
39142	534	19	.	.	.
39142	535	1	His	-PRON-	PRP$
39142	535	2	clock	clock	NN
39142	535	3	had	have	VBD
39142	535	4	been	be	VBN
39142	535	5	regulated	regulate	VBN
39142	535	6	exactly	exactly	RB
39142	535	7	in	in	IN
39142	535	8	Paris	Paris	NNP
39142	535	9	,	,	,
39142	535	10	and	and	CC
39142	535	11	he	-PRON-	PRP
39142	535	12	soon	soon	RB
39142	535	13	found	find	VBD
39142	535	14	that	that	IN
39142	535	15	it	-PRON-	PRP
39142	535	16	lost	lose	VBD
39142	535	17	time	time	NN
39142	535	18	when	when	WRB
39142	535	19	set	set	VBN
39142	535	20	up	up	RP
39142	535	21	at	at	IN
39142	535	22	Cayenne	Cayenne	NNP
39142	535	23	.	.	.
39142	536	1	The	the	DT
39142	536	2	amount	amount	NN
39142	536	3	of	of	IN
39142	536	4	loss	loss	NN
39142	536	5	was	be	VBD
39142	536	6	found	find	VBN
39142	536	7	by	by	IN
39142	536	8	observation	observation	NN
39142	536	9	,	,	,
39142	536	10	and	and	CC
39142	536	11	it	-PRON-	PRP
39142	536	12	was	be	VBD
39142	536	13	exactly	exactly	RB
39142	536	14	equal	equal	JJ
39142	536	15	to	to	IN
39142	536	16	the	the	DT
39142	536	17	calculated	calculated	JJ
39142	536	18	effect	effect	NN
39142	536	19	that	that	IN
39142	536	20	the	the	DT
39142	536	21	reduction	reduction	NN
39142	536	22	of	of	IN
39142	536	23	gravity	gravity	NN
39142	536	24	by	by	IN
39142	536	25	centrifugal	centrifugal	JJ
39142	536	26	action	action	NN
39142	536	27	should	should	MD
39142	536	28	produce	produce	VB
39142	536	29	.	.	.
39142	537	1	Also	also	RB
39142	537	2	Newton	Newton	NNP
39142	537	3	saw	see	VBD
39142	537	4	that	that	IN
39142	537	5	his	-PRON-	PRP$
39142	537	6	law	law	NN
39142	537	7	of	of	IN
39142	537	8	gravitation	gravitation	NN
39142	537	9	would	would	MD
39142	537	10	afford	afford	VB
39142	537	11	an	an	DT
39142	537	12	explanation	explanation	NN
39142	537	13	of	of	IN
39142	537	14	the	the	DT
39142	537	15	rise	rise	NN
39142	537	16	and	and	CC
39142	537	17	fall	fall	NN
39142	537	18	of	of	IN
39142	537	19	the	the	DT
39142	537	20	tides	tide	NNS
39142	537	21	.	.	.
39142	538	1	The	the	DT
39142	538	2	water	water	NN
39142	538	3	on	on	IN
39142	538	4	the	the	DT
39142	538	5	side	side	NN
39142	538	6	of	of	IN
39142	538	7	the	the	DT
39142	538	8	earth	earth	NN
39142	538	9	toward	toward	IN
39142	538	10	the	the	DT
39142	538	11	moon	moon	NN
39142	538	12	,	,	,
39142	538	13	being	be	VBG
39142	538	14	nearer	near	JJR
39142	538	15	to	to	IN
39142	538	16	the	the	DT
39142	538	17	moon	moon	NN
39142	538	18	,	,	,
39142	538	19	would	would	MD
39142	538	20	be	be	VB
39142	538	21	more	more	RBR
39142	538	22	strongly	strongly	RB
39142	538	23	attracted	attracted	JJ
39142	538	24	toward	toward	IN
39142	538	25	it	-PRON-	PRP
39142	538	26	,	,	,
39142	538	27	and	and	CC
39142	538	28	therefore	therefore	RB
39142	538	29	raised	raise	VBD
39142	538	30	in	in	IN
39142	538	31	a	a	DT
39142	538	32	tide	tide	NN
39142	538	33	.	.	.
39142	539	1	And	and	CC
39142	539	2	the	the	DT
39142	539	3	water	water	NN
39142	539	4	on	on	IN
39142	539	5	the	the	DT
39142	539	6	farther	farther	JJ
39142	539	7	side	side	NN
39142	539	8	of	of	IN
39142	539	9	the	the	DT
39142	539	10	earth	earth	NN
39142	539	11	away	away	RB
39142	539	12	from	from	IN
39142	539	13	the	the	DT
39142	539	14	moon	moon	NN
39142	539	15	,	,	,
39142	539	16	being	be	VBG
39142	539	17	at	at	IN
39142	539	18	a	a	DT
39142	539	19	greater	great	JJR
39142	539	20	distance	distance	NN
39142	539	21	than	than	IN
39142	539	22	the	the	DT
39142	539	23	earth	earth	NN
39142	539	24	itself	-PRON-	PRP
39142	539	25	,	,	,
39142	539	26	the	the	DT
39142	539	27	moon	moon	NN
39142	539	28	would	would	MD
39142	539	29	attract	attract	VB
39142	539	30	the	the	DT
39142	539	31	earth	earth	NN
39142	539	32	more	more	RBR
39142	539	33	strongly	strongly	RB
39142	539	34	than	than	IN
39142	539	35	this	this	DT
39142	539	36	mass	mass	NN
39142	539	37	of	of	IN
39142	539	38	water	water	NN
39142	539	39	,	,	,
39142	539	40	tending	tend	VBG
39142	539	41	therefore	therefore	RB
39142	539	42	to	to	TO
39142	539	43	draw	draw	VB
39142	539	44	the	the	DT
39142	539	45	earth	earth	NN
39142	539	46	away	away	RB
39142	539	47	from	from	IN
39142	539	48	the	the	DT
39142	539	49	water	water	NN
39142	539	50	,	,	,
39142	539	51	and	and	CC
39142	539	52	so	so	RB
39142	539	53	raising	raise	VBG
39142	539	54	at	at	IN
39142	539	55	the	the	DT
39142	539	56	same	same	JJ
39142	539	57	time	time	NN
39142	539	58	a	a	DT
39142	539	59	high	high	JJ
39142	539	60	tide	tide	NN
39142	539	61	on	on	IN
39142	539	62	the	the	DT
39142	539	63	side	side	NN
39142	539	64	of	of	IN
39142	539	65	the	the	DT
39142	539	66	earth	earth	NN
39142	539	67	away	away	RB
39142	539	68	from	from	IN
39142	539	69	the	the	DT
39142	539	70	moon	moon	NN
39142	539	71	.	.	.
39142	540	1	As	as	IN
39142	540	2	the	the	DT
39142	540	3	earth	earth	NN
39142	540	4	turns	turn	VBZ
39142	540	5	round	round	JJ
39142	540	6	on	on	IN
39142	540	7	its	-PRON-	PRP$
39142	540	8	axis	axis	NN
39142	540	9	,	,	,
39142	540	10	therefore	therefore	RB
39142	540	11	,	,	,
39142	540	12	two	two	CD
39142	540	13	tidal	tidal	JJ
39142	540	14	waves	wave	NNS
39142	540	15	continually	continually	RB
39142	540	16	follow	follow	VBP
39142	540	17	each	each	DT
39142	540	18	other	other	JJ
39142	540	19	at	at	IN
39142	540	20	intervals	interval	NNS
39142	540	21	of	of	IN
39142	540	22	about	about	RB
39142	540	23	twelve	twelve	CD
39142	540	24	hours	hour	NNS
39142	540	25	.	.	.
39142	541	1	The	the	DT
39142	541	2	sun	sun	NN
39142	541	3	,	,	,
39142	541	4	too	too	RB
39142	541	5	,	,	,
39142	541	6	joins	join	VBZ
39142	541	7	its	-PRON-	PRP$
39142	541	8	gravitating	gravitate	VBG
39142	541	9	force	force	NN
39142	541	10	with	with	IN
39142	541	11	that	that	DT
39142	541	12	of	of	IN
39142	541	13	the	the	DT
39142	541	14	moon	moon	NN
39142	541	15	,	,	,
39142	541	16	raising	raise	VBG
39142	541	17	tides	tide	VBZ
39142	541	18	nearly	nearly	RB
39142	541	19	half	half	NN
39142	541	20	as	as	RB
39142	541	21	high	high	JJ
39142	541	22	as	as	IN
39142	541	23	those	those	DT
39142	541	24	which	which	WDT
39142	541	25	the	the	DT
39142	541	26	moon	moon	NN
39142	541	27	produces	produce	VBZ
39142	541	28	,	,	,
39142	541	29	because	because	IN
39142	541	30	the	the	DT
39142	541	31	sun	sun	NN
39142	541	32	's	's	POS
39142	541	33	vaster	vaster	NN
39142	541	34	mass	mass	NN
39142	541	35	makes	make	VBZ
39142	541	36	up	up	RP
39142	541	37	in	in	IN
39142	541	38	large	large	JJ
39142	541	39	part	part	NN
39142	541	40	for	for	IN
39142	541	41	its	-PRON-	PRP$
39142	541	42	much	much	RB
39142	541	43	greater	great	JJR
39142	541	44	distance	distance	NN
39142	541	45	.	.	.
39142	542	1	At	at	IN
39142	542	2	first	first	JJ
39142	542	3	and	and	CC
39142	542	4	third	third	JJ
39142	542	5	quarters	quarter	NNS
39142	542	6	of	of	IN
39142	542	7	the	the	DT
39142	542	8	moon	moon	NN
39142	542	9	,	,	,
39142	542	10	the	the	DT
39142	542	11	sun	sun	NN
39142	542	12	acts	act	VBZ
39142	542	13	against	against	IN
39142	542	14	the	the	DT
39142	542	15	moon	moon	NN
39142	542	16	,	,	,
39142	542	17	and	and	CC
39142	542	18	the	the	DT
39142	542	19	difference	difference	NN
39142	542	20	of	of	IN
39142	542	21	their	-PRON-	PRP$
39142	542	22	tide	tide	NN
39142	542	23	-	-	HYPH
39142	542	24	producing	produce	VBG
39142	542	25	forces	force	NNS
39142	542	26	gives	give	VBZ
39142	542	27	us	-PRON-	PRP
39142	542	28	"	"	``
39142	542	29	neap	neap	NNP
39142	542	30	tides	tide	NNS
39142	542	31	"	"	''
39142	542	32	;	;	:
39142	542	33	while	while	IN
39142	542	34	at	at	IN
39142	542	35	new	new	JJ
39142	542	36	moon	moon	NNP
39142	542	37	and	and	CC
39142	542	38	full	full	JJ
39142	542	39	,	,	,
39142	542	40	sun	sun	NNP
39142	542	41	and	and	CC
39142	542	42	moon	moon	NNP
39142	542	43	act	act	VB
39142	542	44	together	together	RB
39142	542	45	,	,	,
39142	542	46	and	and	CC
39142	542	47	produce	produce	VB
39142	542	48	the	the	DT
39142	542	49	maximum	maximum	JJ
39142	542	50	effect	effect	NN
39142	542	51	known	know	VBN
39142	542	52	as	as	IN
39142	542	53	"	"	``
39142	542	54	spring	spring	NN
39142	542	55	tides	tide	NNS
39142	542	56	.	.	.
39142	542	57	"	"	''
39142	543	1	Newton	Newton	NNP
39142	543	2	passed	pass	VBD
39142	543	3	on	on	RP
39142	543	4	to	to	TO
39142	543	5	explain	explain	VB
39142	543	6	,	,	,
39142	543	7	by	by	IN
39142	543	8	the	the	DT
39142	543	9	action	action	NN
39142	543	10	of	of	IN
39142	543	11	gravitation	gravitation	NN
39142	543	12	also	also	RB
39142	543	13	,	,	,
39142	543	14	the	the	DT
39142	543	15	precession	precession	NN
39142	543	16	of	of	IN
39142	543	17	the	the	DT
39142	543	18	equinoxes	equinox	NNS
39142	543	19	,	,	,
39142	543	20	a	a	DT
39142	543	21	phenomenon	phenomenon	NN
39142	543	22	of	of	IN
39142	543	23	the	the	DT
39142	543	24	sky	sky	NN
39142	543	25	discovered	discover	VBN
39142	543	26	by	by	IN
39142	543	27	Hipparchus	Hipparchus	NNP
39142	543	28	,	,	,
39142	543	29	who	who	WP
39142	543	30	pretty	pretty	RB
39142	543	31	well	well	RB
39142	543	32	ascertained	ascertain	VBD
39142	543	33	its	-PRON-	PRP$
39142	543	34	amount	amount	NN
39142	543	35	,	,	,
39142	543	36	although	although	IN
39142	543	37	no	no	DT
39142	543	38	reason	reason	NN
39142	543	39	for	for	IN
39142	543	40	it	-PRON-	PRP
39142	543	41	had	have	VBD
39142	543	42	ever	ever	RB
39142	543	43	been	be	VBN
39142	543	44	assigned	assign	VBN
39142	543	45	.	.	.
39142	544	1	The	the	DT
39142	544	2	plane	plane	NN
39142	544	3	of	of	IN
39142	544	4	the	the	DT
39142	544	5	earth	earth	NN
39142	544	6	's	's	POS
39142	544	7	equator	equator	NN
39142	544	8	extended	extend	VBN
39142	544	9	to	to	IN
39142	544	10	the	the	DT
39142	544	11	celestial	celestial	JJ
39142	544	12	sphere	sphere	NN
39142	544	13	marks	mark	VBZ
39142	544	14	out	out	RP
39142	544	15	the	the	DT
39142	544	16	celestial	celestial	JJ
39142	544	17	equator	equator	NN
39142	544	18	,	,	,
39142	544	19	and	and	CC
39142	544	20	the	the	DT
39142	544	21	two	two	CD
39142	544	22	opposite	opposite	JJ
39142	544	23	points	point	NNS
39142	544	24	where	where	WRB
39142	544	25	it	-PRON-	PRP
39142	544	26	intersects	intersect	VBZ
39142	544	27	the	the	DT
39142	544	28	plane	plane	NN
39142	544	29	of	of	IN
39142	544	30	the	the	DT
39142	544	31	ecliptic	ecliptic	JJ
39142	544	32	,	,	,
39142	544	33	or	or	CC
39142	544	34	the	the	DT
39142	544	35	earth	earth	NN
39142	544	36	's	's	POS
39142	544	37	path	path	NN
39142	544	38	round	round	IN
39142	544	39	the	the	DT
39142	544	40	sun	sun	NN
39142	544	41	,	,	,
39142	544	42	are	be	VBP
39142	544	43	called	call	VBN
39142	544	44	the	the	DT
39142	544	45	equinoctial	equinoctial	JJ
39142	544	46	points	point	NNS
39142	544	47	,	,	,
39142	544	48	or	or	CC
39142	544	49	simply	simply	RB
39142	544	50	the	the	DT
39142	544	51	equinoxes	equinox	NNS
39142	544	52	.	.	.
39142	545	1	And	and	CC
39142	545	2	precession	precession	NN
39142	545	3	of	of	IN
39142	545	4	the	the	DT
39142	545	5	equinoxes	equinox	NNS
39142	545	6	is	be	VBZ
39142	545	7	the	the	DT
39142	545	8	motion	motion	NN
39142	545	9	of	of	IN
39142	545	10	these	these	DT
39142	545	11	points	point	NNS
39142	545	12	westward	westward	RB
39142	545	13	or	or	CC
39142	545	14	backward	backward	RB
39142	545	15	,	,	,
39142	545	16	about	about	RB
39142	545	17	50	50	CD
39142	545	18	seconds	second	NNS
39142	545	19	each	each	DT
39142	545	20	year	year	NN
39142	545	21	,	,	,
39142	545	22	so	so	IN
39142	545	23	that	that	IN
39142	545	24	a	a	DT
39142	545	25	complete	complete	JJ
39142	545	26	revolution	revolution	NN
39142	545	27	round	round	IN
39142	545	28	the	the	DT
39142	545	29	ecliptic	ecliptic	NN
39142	545	30	would	would	MD
39142	545	31	take	take	VB
39142	545	32	place	place	NN
39142	545	33	in	in	IN
39142	545	34	about	about	RB
39142	545	35	26,000	26,000	CD
39142	545	36	years	year	NNS
39142	545	37	.	.	.
39142	546	1	Newton	Newton	NNP
39142	546	2	saw	see	VBD
39142	546	3	clearly	clearly	RB
39142	546	4	how	how	WRB
39142	546	5	to	to	TO
39142	546	6	explain	explain	VB
39142	546	7	this	this	DT
39142	546	8	:	:	:
39142	546	9	it	-PRON-	PRP
39142	546	10	is	be	VBZ
39142	546	11	simply	simply	RB
39142	546	12	due	due	JJ
39142	546	13	to	to	IN
39142	546	14	the	the	DT
39142	546	15	attraction	attraction	NN
39142	546	16	of	of	IN
39142	546	17	the	the	DT
39142	546	18	sun	sun	NN
39142	546	19	's	's	POS
39142	546	20	gravitation	gravitation	NN
39142	546	21	upon	upon	IN
39142	546	22	the	the	DT
39142	546	23	protuberant	protuberant	JJ
39142	546	24	bulge	bulge	NN
39142	546	25	around	around	IN
39142	546	26	the	the	DT
39142	546	27	earth	earth	NN
39142	546	28	's	's	POS
39142	546	29	equator	equator	NN
39142	546	30	,	,	,
39142	546	31	acting	act	VBG
39142	546	32	in	in	IN
39142	546	33	conjunction	conjunction	NN
39142	546	34	with	with	IN
39142	546	35	the	the	DT
39142	546	36	earth	earth	NN
39142	546	37	's	's	POS
39142	546	38	rotation	rotation	NN
39142	546	39	on	on	IN
39142	546	40	its	-PRON-	PRP$
39142	546	41	axis	axis	NN
39142	546	42	,	,	,
39142	546	43	the	the	DT
39142	546	44	effect	effect	NN
39142	546	45	being	be	VBG
39142	546	46	very	very	RB
39142	546	47	similar	similar	JJ
39142	546	48	to	to	IN
39142	546	49	that	that	DT
39142	546	50	often	often	RB
39142	546	51	seen	see	VBN
39142	546	52	in	in	IN
39142	546	53	a	a	DT
39142	546	54	spinning	spinning	JJ
39142	546	55	top	top	NN
39142	546	56	,	,	,
39142	546	57	or	or	CC
39142	546	58	in	in	IN
39142	546	59	a	a	DT
39142	546	60	gyroscope	gyroscope	NN
39142	546	61	.	.	.
39142	547	1	The	the	DT
39142	547	2	moon	moon	NN
39142	547	3	moving	move	VBG
39142	547	4	near	near	IN
39142	547	5	the	the	DT
39142	547	6	ecliptic	ecliptic	NN
39142	547	7	produces	produce	VBZ
39142	547	8	a	a	DT
39142	547	9	precessional	precessional	JJ
39142	547	10	effect	effect	NN
39142	547	11	,	,	,
39142	547	12	as	as	IN
39142	547	13	also	also	RB
39142	547	14	do	do	VBP
39142	547	15	the	the	DT
39142	547	16	planets	planet	NNS
39142	547	17	to	to	IN
39142	547	18	a	a	DT
39142	547	19	very	very	RB
39142	547	20	slight	slight	JJ
39142	547	21	degree	degree	NN
39142	547	22	;	;	:
39142	547	23	and	and	CC
39142	547	24	the	the	DT
39142	547	25	observed	observed	JJ
39142	547	26	value	value	NN
39142	547	27	of	of	IN
39142	547	28	precession	precession	NN
39142	547	29	is	be	VBZ
39142	547	30	the	the	DT
39142	547	31	same	same	JJ
39142	547	32	as	as	IN
39142	547	33	that	that	DT
39142	547	34	calculated	calculate	VBN
39142	547	35	from	from	IN
39142	547	36	gravitation	gravitation	NN
39142	547	37	,	,	,
39142	547	38	to	to	IN
39142	547	39	a	a	DT
39142	547	40	high	high	JJ
39142	547	41	degree	degree	NN
39142	547	42	of	of	IN
39142	547	43	precision	precision	NN
39142	547	44	.	.	.
39142	548	1	Newton	Newton	NNP
39142	548	2	died	die	VBD
39142	548	3	in	in	IN
39142	548	4	1727	1727	CD
39142	548	5	,	,	,
39142	548	6	too	too	RB
39142	548	7	early	early	RB
39142	548	8	to	to	TO
39142	548	9	have	have	VB
39142	548	10	witnessed	witness	VBN
39142	548	11	that	that	IN
39142	548	12	complete	complete	JJ
39142	548	13	and	and	CC
39142	548	14	triumphant	triumphant	JJ
39142	548	15	verification	verification	NN
39142	548	16	of	of	IN
39142	548	17	his	-PRON-	PRP$
39142	548	18	law	law	NN
39142	548	19	which	which	WDT
39142	548	20	ultimately	ultimately	RB
39142	548	21	has	have	VBZ
39142	548	22	accounted	account	VBN
39142	548	23	for	for	IN
39142	548	24	practically	practically	RB
39142	548	25	every	every	DT
39142	548	26	inequality	inequality	NN
39142	548	27	in	in	IN
39142	548	28	the	the	DT
39142	548	29	planetary	planetary	NN
39142	548	30	motions	motion	NNS
39142	548	31	caused	cause	VBN
39142	548	32	by	by	IN
39142	548	33	their	-PRON-	PRP$
39142	548	34	mutual	mutual	JJ
39142	548	35	attractions	attraction	NNS
39142	548	36	.	.	.
39142	549	1	The	the	DT
39142	549	2	problems	problem	NNS
39142	549	3	involved	involve	VBN
39142	549	4	are	be	VBP
39142	549	5	far	far	RB
39142	549	6	beyond	beyond	IN
39142	549	7	the	the	DT
39142	549	8	complexity	complexity	NN
39142	549	9	of	of	IN
39142	549	10	those	those	DT
39142	549	11	which	which	WDT
39142	549	12	the	the	DT
39142	549	13	mathematical	mathematical	JJ
39142	549	14	astronomer	astronomer	NN
39142	549	15	has	have	VBZ
39142	549	16	to	to	TO
39142	549	17	deal	deal	VB
39142	549	18	with	with	IN
39142	549	19	,	,	,
39142	549	20	and	and	CC
39142	549	21	the	the	DT
39142	549	22	mathematicians	mathematician	NNS
39142	549	23	of	of	IN
39142	549	24	France	France	NNP
39142	549	25	deserve	deserve	VBP
39142	549	26	the	the	DT
39142	549	27	highest	high	JJS
39142	549	28	credit	credit	NN
39142	549	29	for	for	IN
39142	549	30	improving	improve	VBG
39142	549	31	the	the	DT
39142	549	32	processes	process	NNS
39142	549	33	of	of	IN
39142	549	34	their	-PRON-	PRP$
39142	549	35	science	science	NN
39142	549	36	so	so	IN
39142	549	37	that	that	IN
39142	549	38	obstacles	obstacle	NNS
39142	549	39	which	which	WDT
39142	549	40	appeared	appear	VBD
39142	549	41	insuperable	insuperable	JJ
39142	549	42	were	be	VBD
39142	549	43	one	one	CD
39142	549	44	after	after	IN
39142	549	45	another	another	DT
39142	549	46	overcome	overcome	NN
39142	549	47	.	.	.
39142	550	1	Newton	Newton	NNP
39142	550	2	's	's	POS
39142	550	3	method	method	NN
39142	550	4	of	of	IN
39142	550	5	dealing	deal	VBG
39142	550	6	with	with	IN
39142	550	7	these	these	DT
39142	550	8	problems	problem	NNS
39142	550	9	was	be	VBD
39142	550	10	mainly	mainly	RB
39142	550	11	geometric	geometric	JJ
39142	550	12	,	,	,
39142	550	13	and	and	CC
39142	550	14	the	the	DT
39142	550	15	insufficiency	insufficiency	NN
39142	550	16	of	of	IN
39142	550	17	this	this	DT
39142	550	18	method	method	NN
39142	550	19	was	be	VBD
39142	550	20	apparent	apparent	JJ
39142	550	21	.	.	.
39142	551	1	Only	only	RB
39142	551	2	when	when	WRB
39142	551	3	the	the	DT
39142	551	4	French	french	JJ
39142	551	5	mathematicians	mathematician	NNS
39142	551	6	began	begin	VBD
39142	551	7	to	to	TO
39142	551	8	apply	apply	VB
39142	551	9	the	the	DT
39142	551	10	higher	high	JJR
39142	551	11	methods	method	NNS
39142	551	12	of	of	IN
39142	551	13	algebra	algebra	NN
39142	551	14	was	be	VBD
39142	551	15	progress	progress	NN
39142	551	16	toward	toward	IN
39142	551	17	the	the	DT
39142	551	18	ultimate	ultimate	JJ
39142	551	19	goal	goal	NN
39142	551	20	assured	assure	VBD
39142	551	21	.	.	.
39142	552	1	D'Alembert	D'Alembert	NNP
39142	552	2	and	and	CC
39142	552	3	Clairaut	Clairaut	NNP
39142	552	4	for	for	IN
39142	552	5	a	a	DT
39142	552	6	time	time	NN
39142	552	7	were	be	VBD
39142	552	8	foremost	foremost	JJ
39142	552	9	in	in	IN
39142	552	10	these	these	DT
39142	552	11	researches	research	NNS
39142	552	12	,	,	,
39142	552	13	but	but	CC
39142	552	14	their	-PRON-	PRP$
39142	552	15	places	place	NNS
39142	552	16	were	be	VBD
39142	552	17	soon	soon	RB
39142	552	18	taken	take	VBN
39142	552	19	by	by	IN
39142	552	20	Lagrange	Lagrange	NNP
39142	552	21	,	,	,
39142	552	22	who	who	WP
39142	552	23	wrote	write	VBD
39142	552	24	the	the	DT
39142	552	25	"	"	``
39142	552	26	Mécanique	Mécanique	NNP
39142	552	27	Analytique	Analytique	NNP
39142	552	28	,	,	,
39142	552	29	"	"	''
39142	552	30	and	and	CC
39142	552	31	Laplace	Laplace	NNP
39142	552	32	,	,	,
39142	552	33	whose	whose	WP$
39142	552	34	"	"	``
39142	552	35	Mécanique	Mécanique	NNP
39142	552	36	Céleste	Céleste	NNP
39142	552	37	"	"	''
39142	552	38	is	be	VBZ
39142	552	39	the	the	DT
39142	552	40	most	most	RBS
39142	552	41	celebrated	celebrated	JJ
39142	552	42	work	work	NN
39142	552	43	of	of	IN
39142	552	44	all	all	DT
39142	552	45	.	.	.
39142	553	1	In	in	IN
39142	553	2	large	large	JJ
39142	553	3	part	part	NN
39142	553	4	these	these	DT
39142	553	5	works	work	NNS
39142	553	6	are	be	VBP
39142	553	7	the	the	DT
39142	553	8	basis	basis	NN
39142	553	9	of	of	IN
39142	553	10	the	the	DT
39142	553	11	researches	research	NNS
39142	553	12	of	of	IN
39142	553	13	subsequent	subsequent	JJ
39142	553	14	mathematical	mathematical	JJ
39142	553	15	astronomers	astronomer	NNS
39142	553	16	who	who	WP
39142	553	17	,	,	,
39142	553	18	strictly	strictly	RB
39142	553	19	speaking	speak	VBG
39142	553	20	,	,	,
39142	553	21	can	can	MD
39142	553	22	not	not	RB
39142	553	23	as	as	RB
39142	553	24	yet	yet	RB
39142	553	25	be	be	VB
39142	553	26	said	say	VBN
39142	553	27	to	to	TO
39142	553	28	have	have	VB
39142	553	29	arrived	arrive	VBN
39142	553	30	at	at	IN
39142	553	31	a	a	DT
39142	553	32	complete	complete	JJ
39142	553	33	and	and	CC
39142	553	34	rigorous	rigorous	JJ
39142	553	35	solution	solution	NN
39142	553	36	of	of	IN
39142	553	37	all	all	PDT
39142	553	38	the	the	DT
39142	553	39	problems	problem	NNS
39142	553	40	which	which	WDT
39142	553	41	the	the	DT
39142	553	42	mutual	mutual	JJ
39142	553	43	attractions	attraction	NNS
39142	553	44	of	of	IN
39142	553	45	all	all	PDT
39142	553	46	the	the	DT
39142	553	47	bodies	body	NNS
39142	553	48	of	of	IN
39142	553	49	the	the	DT
39142	553	50	solar	solar	JJ
39142	553	51	system	system	NN
39142	553	52	have	have	VBP
39142	553	53	originated	originate	VBN
39142	553	54	.	.	.
39142	554	1	It	-PRON-	PRP
39142	554	2	may	may	MD
39142	554	3	well	well	RB
39142	554	4	be	be	VB
39142	554	5	that	that	IN
39142	554	6	even	even	RB
39142	554	7	the	the	DT
39142	554	8	mathematics	mathematic	NNS
39142	554	9	of	of	IN
39142	554	10	the	the	DT
39142	554	11	present	present	JJ
39142	554	12	day	day	NN
39142	554	13	are	be	VBP
39142	554	14	incompetent	incompetent	JJ
39142	554	15	to	to	IN
39142	554	16	this	this	DT
39142	554	17	purpose	purpose	NN
39142	554	18	.	.	.
39142	555	1	When	when	WRB
39142	555	2	the	the	DT
39142	555	3	brilliant	brilliant	JJ
39142	555	4	genius	genius	NN
39142	555	5	of	of	IN
39142	555	6	Sir	Sir	NNP
39142	555	7	William	William	NNP
39142	555	8	Hamilton	Hamilton	NNP
39142	555	9	invented	invent	VBD
39142	555	10	quaternion	quaternion	NN
39142	555	11	analysis	analysis	NN
39142	555	12	and	and	CC
39142	555	13	showed	show	VBD
39142	555	14	the	the	DT
39142	555	15	marvelous	marvelous	JJ
39142	555	16	facility	facility	NN
39142	555	17	with	with	IN
39142	555	18	which	which	WDT
39142	555	19	it	-PRON-	PRP
39142	555	20	solved	solve	VBD
39142	555	21	the	the	DT
39142	555	22	intricate	intricate	JJ
39142	555	23	problems	problem	NNS
39142	555	24	of	of	IN
39142	555	25	physics	physics	NN
39142	555	26	,	,	,
39142	555	27	there	there	EX
39142	555	28	was	be	VBD
39142	555	29	the	the	DT
39142	555	30	expectation	expectation	NN
39142	555	31	that	that	IN
39142	555	32	its	-PRON-	PRP$
39142	555	33	application	application	NN
39142	555	34	to	to	IN
39142	555	35	the	the	DT
39142	555	36	higher	high	JJR
39142	555	37	problems	problem	NNS
39142	555	38	of	of	IN
39142	555	39	mathematical	mathematical	JJ
39142	555	40	astronomy	astronomy	NN
39142	555	41	might	may	MD
39142	555	42	effect	effect	VB
39142	555	43	still	still	RB
39142	555	44	greater	great	JJR
39142	555	45	advances	advance	NNS
39142	555	46	;	;	:
39142	555	47	but	but	CC
39142	555	48	nothing	nothing	NN
39142	555	49	in	in	IN
39142	555	50	that	that	DT
39142	555	51	direction	direction	NN
39142	555	52	has	have	VBZ
39142	555	53	so	so	RB
39142	555	54	far	far	RB
39142	555	55	eventuated	eventuate	VBN
39142	555	56	.	.	.
39142	556	1	Some	some	DT
39142	556	2	astronomers	astronomer	NNS
39142	556	3	look	look	VBP
39142	556	4	for	for	IN
39142	556	5	the	the	DT
39142	556	6	invention	invention	NN
39142	556	7	of	of	IN
39142	556	8	new	new	JJ
39142	556	9	functions	function	NNS
39142	556	10	with	with	IN
39142	556	11	numerical	numerical	JJ
39142	556	12	tables	table	NNS
39142	556	13	bearing	bear	VBG
39142	556	14	perhaps	perhaps	RB
39142	556	15	somewhat	somewhat	RB
39142	556	16	the	the	DT
39142	556	17	relation	relation	NN
39142	556	18	to	to	IN
39142	556	19	present	present	JJ
39142	556	20	tables	table	NNS
39142	556	21	of	of	IN
39142	556	22	logarithms	logarithm	NNS
39142	556	23	,	,	,
39142	556	24	sines	sine	NNS
39142	556	25	,	,	,
39142	556	26	tangents	tangent	NNS
39142	556	27	,	,	,
39142	556	28	and	and	CC
39142	556	29	so	so	RB
39142	556	30	on	on	RB
39142	556	31	,	,	,
39142	556	32	that	that	IN
39142	556	33	these	these	DT
39142	556	34	tables	table	NNS
39142	556	35	do	do	VBP
39142	556	36	to	to	IN
39142	556	37	the	the	DT
39142	556	38	simple	simple	JJ
39142	556	39	multiplication	multiplication	NN
39142	556	40	table	table	NN
39142	556	41	of	of	IN
39142	556	42	Pythagoras	Pythagoras	NNP
39142	556	43	.	.	.
39142	557	1	CHAPTER	chapter	NN
39142	557	2	XV	XV	NNP
39142	557	3	AFTER	after	IN
39142	557	4	NEWTON	NEWTON	NNP
39142	557	5	We	-PRON-	PRP
39142	557	6	have	have	VBP
39142	557	7	said	say	VBN
39142	557	8	that	that	IN
39142	557	9	practically	practically	RB
39142	557	10	all	all	PDT
39142	557	11	the	the	DT
39142	557	12	motions	motion	NNS
39142	557	13	in	in	IN
39142	557	14	the	the	DT
39142	557	15	solar	solar	JJ
39142	557	16	system	system	NN
39142	557	17	have	have	VBP
39142	557	18	been	be	VBN
39142	557	19	accounted	account	VBN
39142	557	20	for	for	IN
39142	557	21	by	by	IN
39142	557	22	the	the	DT
39142	557	23	Newtonian	newtonian	JJ
39142	557	24	law	law	NN
39142	557	25	of	of	IN
39142	557	26	gravitation	gravitation	NN
39142	557	27	.	.	.
39142	558	1	It	-PRON-	PRP
39142	558	2	will	will	MD
39142	558	3	be	be	VB
39142	558	4	of	of	IN
39142	558	5	interest	interest	NN
39142	558	6	to	to	TO
39142	558	7	inquire	inquire	VB
39142	558	8	into	into	IN
39142	558	9	the	the	DT
39142	558	10	instances	instance	NNS
39142	558	11	that	that	WDT
39142	558	12	lead	lead	VBP
39142	558	13	to	to	IN
39142	558	14	qualification	qualification	NN
39142	558	15	of	of	IN
39142	558	16	this	this	DT
39142	558	17	absolute	absolute	JJ
39142	558	18	statement	statement	NN
39142	558	19	.	.	.
39142	559	1	One	one	CD
39142	559	2	relates	relate	VBZ
39142	559	3	to	to	IN
39142	559	4	the	the	DT
39142	559	5	planet	planet	NN
39142	559	6	Mercury	Mercury	NNP
39142	559	7	,	,	,
39142	559	8	whose	whose	WP$
39142	559	9	orbit	orbit	NN
39142	559	10	or	or	CC
39142	559	11	path	path	NN
39142	559	12	round	round	IN
39142	559	13	the	the	DT
39142	559	14	sun	sun	NN
39142	559	15	is	be	VBZ
39142	559	16	the	the	DT
39142	559	17	most	most	RBS
39142	559	18	elliptical	elliptical	JJ
39142	559	19	of	of	IN
39142	559	20	all	all	PDT
39142	559	21	the	the	DT
39142	559	22	planetary	planetary	NN
39142	559	23	orbits	orbit	NNS
39142	559	24	.	.	.
39142	560	1	This	this	DT
39142	560	2	will	will	MD
39142	560	3	be	be	VB
39142	560	4	explained	explain	VBN
39142	560	5	a	a	DT
39142	560	6	little	little	JJ
39142	560	7	later	later	RBR
39142	560	8	.	.	.
39142	561	1	The	the	DT
39142	561	2	moon	moon	NN
39142	561	3	has	have	VBZ
39142	561	4	given	give	VBN
39142	561	5	the	the	DT
39142	561	6	mathematical	mathematical	JJ
39142	561	7	astronomers	astronomer	NNS
39142	561	8	more	more	JJR
39142	561	9	trouble	trouble	NN
39142	561	10	than	than	IN
39142	561	11	any	any	DT
39142	561	12	other	other	JJ
39142	561	13	of	of	IN
39142	561	14	the	the	DT
39142	561	15	celestial	celestial	JJ
39142	561	16	bodies	body	NNS
39142	561	17	,	,	,
39142	561	18	for	for	IN
39142	561	19	one	one	CD
39142	561	20	reason	reason	NN
39142	561	21	because	because	IN
39142	561	22	it	-PRON-	PRP
39142	561	23	is	be	VBZ
39142	561	24	nearest	near	JJS
39142	561	25	to	to	IN
39142	561	26	us	-PRON-	PRP
39142	561	27	and	and	CC
39142	561	28	very	very	RB
39142	561	29	minute	minute	JJ
39142	561	30	deviations	deviation	NNS
39142	561	31	in	in	IN
39142	561	32	its	-PRON-	PRP$
39142	561	33	motion	motion	NN
39142	561	34	are	be	VBP
39142	561	35	therefore	therefore	RB
39142	561	36	detectible	detectible	JJ
39142	561	37	.	.	.
39142	562	1	Halley	Halley	NNP
39142	562	2	it	-PRON-	PRP
39142	562	3	was	be	VBD
39142	562	4	who	who	WP
39142	562	5	ascertained	ascertain	VBD
39142	562	6	two	two	CD
39142	562	7	centuries	century	NNS
39142	562	8	ago	ago	RB
39142	562	9	that	that	WDT
39142	562	10	the	the	DT
39142	562	11	moon	moon	NN
39142	562	12	's	's	POS
39142	562	13	motion	motion	NN
39142	562	14	round	round	IN
39142	562	15	the	the	DT
39142	562	16	earth	earth	NN
39142	562	17	was	be	VBD
39142	562	18	not	not	RB
39142	562	19	uniform	uniform	JJ
39142	562	20	,	,	,
39142	562	21	but	but	CC
39142	562	22	subject	subject	JJ
39142	562	23	to	to	IN
39142	562	24	a	a	DT
39142	562	25	slight	slight	JJ
39142	562	26	acceleration	acceleration	NN
39142	562	27	which	which	WDT
39142	562	28	greatly	greatly	RB
39142	562	29	puzzled	puzzle	VBD
39142	562	30	Lagrange	Lagrange	NNP
39142	562	31	and	and	CC
39142	562	32	Laplace	Laplace	NNP
39142	562	33	,	,	,
39142	562	34	because	because	IN
39142	562	35	they	-PRON-	PRP
39142	562	36	had	have	VBD
39142	562	37	proved	prove	VBN
39142	562	38	exactly	exactly	RB
39142	562	39	this	this	DT
39142	562	40	sort	sort	NN
39142	562	41	of	of	IN
39142	562	42	thing	thing	NN
39142	562	43	to	to	TO
39142	562	44	be	be	VB
39142	562	45	impossible	impossible	JJ
39142	562	46	,	,	,
39142	562	47	unless	unless	IN
39142	562	48	indeed	indeed	RB
39142	562	49	the	the	DT
39142	562	50	body	body	NN
39142	562	51	in	in	IN
39142	562	52	question	question	NN
39142	562	53	should	should	MD
39142	562	54	be	be	VB
39142	562	55	acted	act	VBN
39142	562	56	on	on	IN
39142	562	57	by	by	IN
39142	562	58	some	some	DT
39142	562	59	other	other	JJ
39142	562	60	force	force	NN
39142	562	61	than	than	IN
39142	562	62	gravitation	gravitation	NN
39142	562	63	.	.	.
39142	563	1	But	but	CC
39142	563	2	Laplace	Laplace	NNP
39142	563	3	finally	finally	RB
39142	563	4	traced	trace	VBD
39142	563	5	the	the	DT
39142	563	6	cause	cause	NN
39142	563	7	to	to	IN
39142	563	8	the	the	DT
39142	563	9	secular	secular	JJ
39142	563	10	or	or	CC
39142	563	11	very	very	RB
39142	563	12	slow	slow	JJ
39142	563	13	reduction	reduction	NN
39142	563	14	in	in	IN
39142	563	15	the	the	DT
39142	563	16	eccentricity	eccentricity	NN
39142	563	17	of	of	IN
39142	563	18	the	the	DT
39142	563	19	earth	earth	NN
39142	563	20	's	's	POS
39142	563	21	own	own	JJ
39142	563	22	orbit	orbit	NN
39142	563	23	.	.	.
39142	564	1	The	the	DT
39142	564	2	sun	sun	NN
39142	564	3	's	's	POS
39142	564	4	action	action	NN
39142	564	5	on	on	IN
39142	564	6	the	the	DT
39142	564	7	moon	moon	NN
39142	564	8	was	be	VBD
39142	564	9	indeed	indeed	RB
39142	564	10	progressively	progressively	RB
39142	564	11	changing	change	VBG
39142	564	12	from	from	IN
39142	564	13	century	century	NN
39142	564	14	to	to	IN
39142	564	15	century	century	NN
39142	564	16	in	in	IN
39142	564	17	such	such	JJ
39142	564	18	manner	manner	NN
39142	564	19	as	as	IN
39142	564	20	to	to	TO
39142	564	21	accelerate	accelerate	VB
39142	564	22	the	the	DT
39142	564	23	moon	moon	NN
39142	564	24	's	's	POS
39142	564	25	own	own	JJ
39142	564	26	motion	motion	NN
39142	564	27	in	in	IN
39142	564	28	its	-PRON-	PRP$
39142	564	29	orbit	orbit	NN
39142	564	30	round	round	IN
39142	564	31	the	the	DT
39142	564	32	earth	earth	NN
39142	564	33	.	.	.
39142	565	1	Adams	Adams	NNP
39142	565	2	,	,	,
39142	565	3	the	the	DT
39142	565	4	eminent	eminent	JJ
39142	565	5	English	English	NNP
39142	565	6	astronomer	astronomer	NN
39142	565	7	,	,	,
39142	565	8	revised	revise	VBD
39142	565	9	the	the	DT
39142	565	10	calculations	calculation	NNS
39142	565	11	of	of	IN
39142	565	12	Laplace	Laplace	NNP
39142	565	13	,	,	,
39142	565	14	and	and	CC
39142	565	15	found	find	VBD
39142	565	16	the	the	DT
39142	565	17	effect	effect	NN
39142	565	18	in	in	IN
39142	565	19	question	question	NN
39142	565	20	only	only	RB
39142	565	21	half	half	RB
39142	565	22	as	as	RB
39142	565	23	great	great	JJ
39142	565	24	as	as	IN
39142	565	25	Laplace	Laplace	NNP
39142	565	26	had	have	VBD
39142	565	27	done	do	VBN
39142	565	28	;	;	:
39142	565	29	and	and	CC
39142	565	30	for	for	IN
39142	565	31	years	year	NNS
39142	565	32	a	a	DT
39142	565	33	great	great	JJ
39142	565	34	mathematical	mathematical	JJ
39142	565	35	battle	battle	NN
39142	565	36	was	be	VBD
39142	565	37	on	on	RB
39142	565	38	between	between	IN
39142	565	39	the	the	DT
39142	565	40	greatest	great	JJS
39142	565	41	of	of	IN
39142	565	42	astronomical	astronomical	JJ
39142	565	43	experts	expert	NNS
39142	565	44	in	in	IN
39142	565	45	this	this	DT
39142	565	46	field	field	NN
39142	565	47	of	of	IN
39142	565	48	research	research	NN
39142	565	49	.	.	.
39142	566	1	Adams	Adams	NNP
39142	566	2	,	,	,
39142	566	3	in	in	IN
39142	566	4	conjunction	conjunction	NN
39142	566	5	with	with	IN
39142	566	6	Delaunay	Delaunay	NNP
39142	566	7	,	,	,
39142	566	8	the	the	DT
39142	566	9	greatest	great	JJS
39142	566	10	of	of	IN
39142	566	11	the	the	DT
39142	566	12	French	french	JJ
39142	566	13	mathematicians	mathematician	NNS
39142	566	14	a	a	DT
39142	566	15	half	half	JJ
39142	566	16	century	century	NN
39142	566	17	ago	ago	RB
39142	566	18	,	,	,
39142	566	19	won	win	VBD
39142	566	20	the	the	DT
39142	566	21	battle	battle	NN
39142	566	22	in	in	IN
39142	566	23	so	so	RB
39142	566	24	far	far	RB
39142	566	25	as	as	IN
39142	566	26	the	the	DT
39142	566	27	mathematical	mathematical	JJ
39142	566	28	calculations	calculation	NNS
39142	566	29	were	be	VBD
39142	566	30	concerned	concern	VBN
39142	566	31	;	;	:
39142	566	32	but	but	CC
39142	566	33	the	the	DT
39142	566	34	moon	moon	NN
39142	566	35	continues	continue	VBZ
39142	566	36	to	to	IN
39142	566	37	the	the	DT
39142	566	38	present	present	JJ
39142	566	39	day	day	NN
39142	566	40	her	-PRON-	PRP$
39142	566	41	slight	slight	JJ
39142	566	42	and	and	CC
39142	566	43	perplexing	perplexing	NN
39142	566	44	deviation	deviation	NN
39142	566	45	,	,	,
39142	566	46	as	as	IN
39142	566	47	if	if	IN
39142	566	48	perhaps	perhaps	RB
39142	566	49	our	-PRON-	PRP$
39142	566	50	standard	standard	JJ
39142	566	51	time	time	NN
39142	566	52	-	-	HYPH
39142	566	53	keeper	keeper	NN
39142	566	54	,	,	,
39142	566	55	the	the	DT
39142	566	56	earth	earth	NN
39142	566	57	,	,	,
39142	566	58	by	by	IN
39142	566	59	its	-PRON-	PRP$
39142	566	60	rotation	rotation	NN
39142	566	61	round	round	IN
39142	566	62	its	-PRON-	PRP$
39142	566	63	axis	axi	NNS
39142	566	64	,	,	,
39142	566	65	were	be	VBD
39142	566	66	itself	-PRON-	PRP
39142	566	67	subject	subject	JJ
39142	566	68	to	to	IN
39142	566	69	variation	variation	NN
39142	566	70	.	.	.
39142	567	1	Although	although	IN
39142	567	2	many	many	JJ
39142	567	3	investigations	investigation	NNS
39142	567	4	have	have	VBP
39142	567	5	been	be	VBN
39142	567	6	made	make	VBN
39142	567	7	of	of	IN
39142	567	8	the	the	DT
39142	567	9	uniformity	uniformity	NN
39142	567	10	of	of	IN
39142	567	11	the	the	DT
39142	567	12	earth	earth	NN
39142	567	13	's	's	POS
39142	567	14	rotation	rotation	NN
39142	567	15	,	,	,
39142	567	16	no	no	DT
39142	567	17	such	such	JJ
39142	567	18	irregularity	irregularity	NN
39142	567	19	has	have	VBZ
39142	567	20	been	be	VBN
39142	567	21	detected	detect	VBN
39142	567	22	,	,	,
39142	567	23	and	and	CC
39142	567	24	this	this	DT
39142	567	25	unexplained	unexplained	JJ
39142	567	26	variation	variation	NN
39142	567	27	of	of	IN
39142	567	28	the	the	DT
39142	567	29	moon	moon	NN
39142	567	30	's	's	POS
39142	567	31	motion	motion	NN
39142	567	32	is	be	VBZ
39142	567	33	one	one	CD
39142	567	34	of	of	IN
39142	567	35	the	the	DT
39142	567	36	unsolved	unsolved	JJ
39142	567	37	problems	problem	NNS
39142	567	38	of	of	IN
39142	567	39	the	the	DT
39142	567	40	gravitational	gravitational	JJ
39142	567	41	astronomer	astronomer	NN
39142	567	42	of	of	IN
39142	567	43	to	to	IN
39142	567	44	-	-	HYPH
39142	567	45	day	day	NN
39142	567	46	.	.	.
39142	568	1	But	but	CC
39142	568	2	we	-PRON-	PRP
39142	568	3	are	be	VBP
39142	568	4	passing	pass	VBG
39142	568	5	over	over	RP
39142	568	6	the	the	DT
39142	568	7	most	most	RBS
39142	568	8	impressive	impressive	JJ
39142	568	9	of	of	IN
39142	568	10	all	all	PDT
39142	568	11	the	the	DT
39142	568	12	earlier	early	JJR
39142	568	13	researches	research	NNS
39142	568	14	of	of	IN
39142	568	15	Lagrange	Lagrange	NNP
39142	568	16	and	and	CC
39142	568	17	Laplace	Laplace	NNP
39142	568	18	,	,	,
39142	568	19	which	which	WDT
39142	568	20	concerned	concern	VBD
39142	568	21	the	the	DT
39142	568	22	exceedingly	exceedingly	RB
39142	568	23	slow	slow	JJ
39142	568	24	changes	change	NNS
39142	568	25	,	,	,
39142	568	26	technically	technically	RB
39142	568	27	called	call	VBD
39142	568	28	the	the	DT
39142	568	29	secular	secular	JJ
39142	568	30	variations	variation	NNS
39142	568	31	of	of	IN
39142	568	32	the	the	DT
39142	568	33	elements	element	NNS
39142	568	34	of	of	IN
39142	568	35	the	the	DT
39142	568	36	planetary	planetary	NN
39142	568	37	orbits	orbit	NNS
39142	568	38	.	.	.
39142	569	1	These	these	DT
39142	569	2	elements	element	NNS
39142	569	3	are	be	VBP
39142	569	4	geometrical	geometrical	JJ
39142	569	5	relations	relation	NNS
39142	569	6	which	which	WDT
39142	569	7	indicate	indicate	VBP
39142	569	8	the	the	DT
39142	569	9	form	form	NN
39142	569	10	of	of	IN
39142	569	11	the	the	DT
39142	569	12	orbit	orbit	NN
39142	569	13	,	,	,
39142	569	14	the	the	DT
39142	569	15	size	size	NN
39142	569	16	of	of	IN
39142	569	17	the	the	DT
39142	569	18	orbit	orbit	NN
39142	569	19	,	,	,
39142	569	20	and	and	CC
39142	569	21	its	-PRON-	PRP$
39142	569	22	position	position	NN
39142	569	23	in	in	IN
39142	569	24	space	space	NN
39142	569	25	;	;	:
39142	569	26	and	and	CC
39142	569	27	it	-PRON-	PRP
39142	569	28	was	be	VBD
39142	569	29	found	find	VBN
39142	569	30	that	that	IN
39142	569	31	none	none	NN
39142	569	32	of	of	IN
39142	569	33	these	these	DT
39142	569	34	relations	relation	NNS
39142	569	35	or	or	CC
39142	569	36	quantities	quantity	NNS
39142	569	37	are	be	VBP
39142	569	38	constant	constant	JJ
39142	569	39	in	in	IN
39142	569	40	amount	amount	NN
39142	569	41	or	or	CC
39142	569	42	direction	direction	NN
39142	569	43	,	,	,
39142	569	44	but	but	CC
39142	569	45	that	that	IN
39142	569	46	all	all	DT
39142	569	47	,	,	,
39142	569	48	with	with	IN
39142	569	49	but	but	CC
39142	569	50	one	one	CD
39142	569	51	exception	exception	NN
39142	569	52	,	,	,
39142	569	53	are	be	VBP
39142	569	54	subject	subject	JJ
39142	569	55	to	to	IN
39142	569	56	very	very	RB
39142	569	57	slow	slow	JJ
39142	569	58	,	,	,
39142	569	59	or	or	CC
39142	569	60	secular	secular	JJ
39142	569	61	,	,	,
39142	569	62	change	change	NN
39142	569	63	,	,	,
39142	569	64	or	or	CC
39142	569	65	oscillation	oscillation	NN
39142	569	66	.	.	.
39142	570	1	This	this	DT
39142	570	2	question	question	NN
39142	570	3	assumed	assume	VBD
39142	570	4	an	an	DT
39142	570	5	alarming	alarming	JJ
39142	570	6	significance	significance	NN
39142	570	7	at	at	IN
39142	570	8	an	an	DT
39142	570	9	early	early	JJ
39142	570	10	day	day	NN
39142	570	11	,	,	,
39142	570	12	particularly	particularly	RB
39142	570	13	as	as	IN
39142	570	14	it	-PRON-	PRP
39142	570	15	affected	affect	VBD
39142	570	16	the	the	DT
39142	570	17	eccentricity	eccentricity	NN
39142	570	18	of	of	IN
39142	570	19	the	the	DT
39142	570	20	earth	earth	NN
39142	570	21	's	's	POS
39142	570	22	orbit	orbit	NN
39142	570	23	round	round	IN
39142	570	24	the	the	DT
39142	570	25	sun	sun	NN
39142	570	26	.	.	.
39142	571	1	Should	Should	MD
39142	571	2	it	-PRON-	PRP
39142	571	3	be	be	VB
39142	571	4	possible	possible	JJ
39142	571	5	for	for	IN
39142	571	6	this	this	DT
39142	571	7	element	element	NN
39142	571	8	to	to	TO
39142	571	9	go	go	VB
39142	571	10	on	on	RP
39142	571	11	increasing	increase	VBG
39142	571	12	for	for	IN
39142	571	13	indefinite	indefinite	JJ
39142	571	14	ages	age	NNS
39142	571	15	,	,	,
39142	571	16	clearly	clearly	RB
39142	571	17	the	the	DT
39142	571	18	earth	earth	NN
39142	571	19	's	's	POS
39142	571	20	orbit	orbit	NN
39142	571	21	would	would	MD
39142	571	22	become	become	VB
39142	571	23	more	more	RBR
39142	571	24	and	and	CC
39142	571	25	more	more	RBR
39142	571	26	elliptical	elliptical	JJ
39142	571	27	,	,	,
39142	571	28	and	and	CC
39142	571	29	the	the	DT
39142	571	30	sun	sun	NN
39142	571	31	would	would	MD
39142	571	32	come	come	VB
39142	571	33	nearer	nearer	RB
39142	571	34	and	and	CC
39142	571	35	nearer	nearer	VB
39142	571	36	at	at	IN
39142	571	37	perihelion	perihelion	NN
39142	571	38	,	,	,
39142	571	39	and	and	CC
39142	571	40	the	the	DT
39142	571	41	earth	earth	NN
39142	571	42	would	would	MD
39142	571	43	drift	drift	VB
39142	571	44	farther	far	RBR
39142	571	45	and	and	CC
39142	571	46	farther	far	RBR
39142	571	47	from	from	IN
39142	571	48	the	the	DT
39142	571	49	sun	sun	NN
39142	571	50	at	at	IN
39142	571	51	aphelion	aphelion	NN
39142	571	52	,	,	,
39142	571	53	until	until	IN
39142	571	54	the	the	DT
39142	571	55	extremes	extreme	NNS
39142	571	56	of	of	IN
39142	571	57	temperature	temperature	NN
39142	571	58	would	would	MD
39142	571	59	bring	bring	VB
39142	571	60	all	all	DT
39142	571	61	forms	form	NNS
39142	571	62	of	of	IN
39142	571	63	life	life	NN
39142	571	64	on	on	IN
39142	571	65	the	the	DT
39142	571	66	earth	earth	NN
39142	571	67	to	to	IN
39142	571	68	an	an	DT
39142	571	69	end	end	NN
39142	571	70	.	.	.
39142	572	1	The	the	DT
39142	572	2	refined	refined	JJ
39142	572	3	and	and	CC
39142	572	4	powerful	powerful	JJ
39142	572	5	analysis	analysis	NN
39142	572	6	of	of	IN
39142	572	7	Lagrange	Lagrange	NNP
39142	572	8	,	,	,
39142	572	9	however	however	RB
39142	572	10	,	,	,
39142	572	11	soon	soon	RB
39142	572	12	allayed	allay	VBD
39142	572	13	the	the	DT
39142	572	14	fears	fear	NNS
39142	572	15	of	of	IN
39142	572	16	humanity	humanity	NN
39142	572	17	by	by	IN
39142	572	18	accounting	account	VBG
39142	572	19	for	for	IN
39142	572	20	these	these	DT
39142	572	21	slow	slow	JJ
39142	572	22	progressive	progressive	JJ
39142	572	23	changes	change	NNS
39142	572	24	as	as	IN
39142	572	25	merely	merely	RB
39142	572	26	part	part	NN
39142	572	27	of	of	IN
39142	572	28	the	the	DT
39142	572	29	regular	regular	JJ
39142	572	30	system	system	NN
39142	572	31	of	of	IN
39142	572	32	mere	mere	JJ
39142	572	33	oscillations	oscillation	NNS
39142	572	34	,	,	,
39142	572	35	in	in	IN
39142	572	36	entire	entire	JJ
39142	572	37	accord	accord	NN
39142	572	38	with	with	IN
39142	572	39	the	the	DT
39142	572	40	operation	operation	NN
39142	572	41	of	of	IN
39142	572	42	the	the	DT
39142	572	43	law	law	NN
39142	572	44	of	of	IN
39142	572	45	gravitation	gravitation	NN
39142	572	46	;	;	,
39142	572	47	and	and	CC
39142	572	48	extending	extend	VBG
39142	572	49	throughout	throughout	IN
39142	572	50	the	the	DT
39142	572	51	entire	entire	JJ
39142	572	52	planetary	planetary	NN
39142	572	53	system	system	NN
39142	572	54	.	.	.
39142	573	1	Indeed	indeed	RB
39142	573	2	,	,	,
39142	573	3	the	the	DT
39142	573	4	periods	period	NNS
39142	573	5	of	of	IN
39142	573	6	these	these	DT
39142	573	7	oscillations	oscillation	NNS
39142	573	8	were	be	VBD
39142	573	9	so	so	RB
39142	573	10	vast	vast	JJ
39142	573	11	that	that	IN
39142	573	12	none	none	NN
39142	573	13	of	of	IN
39142	573	14	them	-PRON-	PRP
39142	573	15	were	be	VBD
39142	573	16	shorter	short	JJR
39142	573	17	than	than	IN
39142	573	18	50,000	50,000	CD
39142	573	19	years	year	NNS
39142	573	20	,	,	,
39142	573	21	while	while	IN
39142	573	22	they	-PRON-	PRP
39142	573	23	ranged	range	VBD
39142	573	24	up	up	RP
39142	573	25	to	to	IN
39142	573	26	two	two	CD
39142	573	27	million	million	CD
39142	573	28	years	year	NNS
39142	573	29	in	in	IN
39142	573	30	length--"great	length--"great	NN
39142	573	31	clocks	clock	NNS
39142	573	32	of	of	IN
39142	573	33	eternity	eternity	NN
39142	573	34	which	which	WDT
39142	573	35	beat	beat	VBD
39142	573	36	ages	age	NNS
39142	573	37	as	as	IN
39142	573	38	ours	ours	PRP$
39142	573	39	beat	beat	NN
39142	573	40	seconds	second	NNS
39142	573	41	.	.	.
39142	573	42	"	"	''
39142	574	1	About	about	RB
39142	574	2	a	a	DT
39142	574	3	century	century	NN
39142	574	4	ago	ago	RB
39142	574	5	,	,	,
39142	574	6	an	an	DT
39142	574	7	eminent	eminent	JJ
39142	574	8	lecturer	lecturer	NN
39142	574	9	on	on	IN
39142	574	10	astronomy	astronomy	NNP
39142	574	11	told	tell	VBD
39142	574	12	his	-PRON-	PRP$
39142	574	13	audience	audience	NN
39142	574	14	that	that	IN
39142	574	15	the	the	DT
39142	574	16	problem	problem	NN
39142	574	17	of	of	IN
39142	574	18	weighing	weigh	VBG
39142	574	19	the	the	DT
39142	574	20	planets	planet	NNS
39142	574	21	might	may	MD
39142	574	22	readily	readily	RB
39142	574	23	be	be	VB
39142	574	24	one	one	CD
39142	574	25	that	that	WDT
39142	574	26	would	would	MD
39142	574	27	seem	seem	VB
39142	574	28	wholly	wholly	RB
39142	574	29	impossible	impossible	JJ
39142	574	30	to	to	TO
39142	574	31	solve	solve	VB
39142	574	32	.	.	.
39142	575	1	To	to	TO
39142	575	2	measure	measure	VB
39142	575	3	their	-PRON-	PRP$
39142	575	4	sizes	size	NNS
39142	575	5	and	and	CC
39142	575	6	distances	distance	NNS
39142	575	7	might	may	MD
39142	575	8	well	well	RB
39142	575	9	be	be	VB
39142	575	10	done	do	VBN
39142	575	11	,	,	,
39142	575	12	but	but	CC
39142	575	13	actually	actually	RB
39142	575	14	to	to	TO
39142	575	15	ascertain	ascertain	VB
39142	575	16	how	how	WRB
39142	575	17	many	many	JJ
39142	575	18	tons	ton	NNS
39142	575	19	they	-PRON-	PRP
39142	575	20	weigh	weigh	VBP
39142	575	21	--	--	:
39142	575	22	never	never	RB
39142	575	23	!	!	.
39142	576	1	Yet	yet	CC
39142	576	2	if	if	IN
39142	576	3	a	a	DT
39142	576	4	planet	planet	NN
39142	576	5	is	be	VBZ
39142	576	6	fortunate	fortunate	JJ
39142	576	7	enough	enough	RB
39142	576	8	to	to	TO
39142	576	9	have	have	VB
39142	576	10	one	one	CD
39142	576	11	satellite	satellite	NN
39142	576	12	or	or	CC
39142	576	13	more	more	JJR
39142	576	14	,	,	,
39142	576	15	the	the	DT
39142	576	16	astronomer	astronomer	NN
39142	576	17	's	's	POS
39142	576	18	method	method	NN
39142	576	19	of	of	IN
39142	576	20	weighing	weigh	VBG
39142	576	21	the	the	DT
39142	576	22	planet	planet	NN
39142	576	23	is	be	VBZ
39142	576	24	exceedingly	exceedingly	RB
39142	576	25	simple	simple	JJ
39142	576	26	;	;	:
39142	576	27	and	and	CC
39142	576	28	all	all	PDT
39142	576	29	the	the	DT
39142	576	30	major	major	JJ
39142	576	31	planets	planet	NNS
39142	576	32	have	have	VBP
39142	576	33	satellites	satellite	NNS
39142	576	34	except	except	IN
39142	576	35	the	the	DT
39142	576	36	two	two	CD
39142	576	37	interior	interior	JJ
39142	576	38	ones	one	NNS
39142	576	39	,	,	,
39142	576	40	Mercury	Mercury	NNP
39142	576	41	and	and	CC
39142	576	42	Venus	Venus	NNP
39142	576	43	.	.	.
39142	577	1	As	as	IN
39142	577	2	the	the	DT
39142	577	3	satellite	satellite	NN
39142	577	4	travels	travel	VBZ
39142	577	5	round	round	VBP
39142	577	6	its	-PRON-	PRP$
39142	577	7	primary	primary	NN
39142	577	8	,	,	,
39142	577	9	just	just	RB
39142	577	10	as	as	IN
39142	577	11	the	the	DT
39142	577	12	moon	moon	NN
39142	577	13	does	do	VBZ
39142	577	14	round	round	VB
39142	577	15	the	the	DT
39142	577	16	earth	earth	NN
39142	577	17	,	,	,
39142	577	18	two	two	CD
39142	577	19	elements	element	NNS
39142	577	20	of	of	IN
39142	577	21	its	-PRON-	PRP$
39142	577	22	orbit	orbit	NN
39142	577	23	need	need	VBP
39142	577	24	to	to	TO
39142	577	25	be	be	VB
39142	577	26	ascertained	ascertain	VBN
39142	577	27	,	,	,
39142	577	28	and	and	CC
39142	577	29	only	only	RB
39142	577	30	two	two	CD
39142	577	31	.	.	.
39142	578	1	First	first	RB
39142	578	2	,	,	,
39142	578	3	the	the	DT
39142	578	4	mean	mean	JJ
39142	578	5	distance	distance	NN
39142	578	6	of	of	IN
39142	578	7	the	the	DT
39142	578	8	satellite	satellite	NN
39142	578	9	from	from	IN
39142	578	10	its	-PRON-	PRP$
39142	578	11	primary	primary	NN
39142	578	12	,	,	,
39142	578	13	and	and	CC
39142	578	14	second	second	RB
39142	578	15	the	the	DT
39142	578	16	time	time	NN
39142	578	17	of	of	IN
39142	578	18	revolution	revolution	NN
39142	578	19	round	round	IN
39142	578	20	it	-PRON-	PRP
39142	578	21	.	.	.
39142	579	1	Now	now	RB
39142	579	2	it	-PRON-	PRP
39142	579	3	is	be	VBZ
39142	579	4	simply	simply	RB
39142	579	5	a	a	DT
39142	579	6	case	case	NN
39142	579	7	of	of	IN
39142	579	8	applying	apply	VBG
39142	579	9	Kepler	Kepler	NNP
39142	579	10	's	's	POS
39142	579	11	third	third	JJ
39142	579	12	law	law	NN
39142	579	13	.	.	.
39142	580	1	First	first	RB
39142	580	2	take	take	VB
39142	580	3	the	the	DT
39142	580	4	cube	cube	NN
39142	580	5	of	of	IN
39142	580	6	the	the	DT
39142	580	7	satellite	satellite	NN
39142	580	8	's	's	POS
39142	580	9	distance	distance	NN
39142	580	10	and	and	CC
39142	580	11	divide	divide	VB
39142	580	12	it	-PRON-	PRP
39142	580	13	by	by	IN
39142	580	14	the	the	DT
39142	580	15	square	square	NN
39142	580	16	of	of	IN
39142	580	17	the	the	DT
39142	580	18	time	time	NN
39142	580	19	of	of	IN
39142	580	20	revolution	revolution	NN
39142	580	21	.	.	.
39142	581	1	Similarly	similarly	RB
39142	581	2	take	take	VB
39142	581	3	the	the	DT
39142	581	4	cube	cube	NN
39142	581	5	of	of	IN
39142	581	6	the	the	DT
39142	581	7	planet	planet	NN
39142	581	8	's	's	POS
39142	581	9	distance	distance	NN
39142	581	10	from	from	IN
39142	581	11	the	the	DT
39142	581	12	sun	sun	NN
39142	581	13	and	and	CC
39142	581	14	divide	divide	NN
39142	581	15	by	by	IN
39142	581	16	the	the	DT
39142	581	17	square	square	NN
39142	581	18	of	of	IN
39142	581	19	the	the	DT
39142	581	20	planet	planet	NN
39142	581	21	's	's	POS
39142	581	22	time	time	NN
39142	581	23	of	of	IN
39142	581	24	revolution	revolution	NN
39142	581	25	round	round	IN
39142	581	26	him	-PRON-	PRP
39142	581	27	.	.	.
39142	582	1	The	the	DT
39142	582	2	proportion	proportion	NN
39142	582	3	,	,	,
39142	582	4	then	then	RB
39142	582	5	,	,	,
39142	582	6	of	of	IN
39142	582	7	the	the	DT
39142	582	8	first	first	JJ
39142	582	9	quotient	quotient	NN
39142	582	10	to	to	IN
39142	582	11	the	the	DT
39142	582	12	second	second	NN
39142	582	13	shows	show	VBZ
39142	582	14	the	the	DT
39142	582	15	relation	relation	NN
39142	582	16	of	of	IN
39142	582	17	the	the	DT
39142	582	18	mass	mass	NN
39142	582	19	(	(	-LRB-
39142	582	20	that	that	DT
39142	582	21	is	be	VBZ
39142	582	22	the	the	DT
39142	582	23	weight	weight	NN
39142	582	24	)	)	-RRB-
39142	582	25	of	of	IN
39142	582	26	the	the	DT
39142	582	27	planet	planet	NN
39142	582	28	to	to	IN
39142	582	29	that	that	DT
39142	582	30	of	of	IN
39142	582	31	the	the	DT
39142	582	32	sun	sun	NN
39142	582	33	.	.	.
39142	583	1	In	in	IN
39142	583	2	the	the	DT
39142	583	3	case	case	NN
39142	583	4	of	of	IN
39142	583	5	Jupiter	Jupiter	NNP
39142	583	6	,	,	,
39142	583	7	we	-PRON-	PRP
39142	583	8	should	should	MD
39142	583	9	find	find	VB
39142	583	10	it	-PRON-	PRP
39142	583	11	to	to	TO
39142	583	12	be	be	VB
39142	583	13	1,050	1,050	CD
39142	583	14	,	,	,
39142	583	15	in	in	IN
39142	583	16	that	that	DT
39142	583	17	of	of	IN
39142	583	18	Saturn	Saturn	NNP
39142	583	19	3,500	3,500	CD
39142	583	20	,	,	,
39142	583	21	and	and	CC
39142	583	22	so	so	RB
39142	583	23	on	on	RB
39142	583	24	.	.	.
39142	584	1	The	the	DT
39142	584	2	range	range	NN
39142	584	3	of	of	IN
39142	584	4	planetary	planetary	NN
39142	584	5	masses	masse	NNS
39142	584	6	,	,	,
39142	584	7	in	in	IN
39142	584	8	fact	fact	NN
39142	584	9	,	,	,
39142	584	10	is	be	VBZ
39142	584	11	very	very	RB
39142	584	12	curious	curious	JJ
39142	584	13	,	,	,
39142	584	14	and	and	CC
39142	584	15	is	be	VBZ
39142	584	16	doubtless	doubtless	RB
39142	584	17	of	of	IN
39142	584	18	much	much	JJ
39142	584	19	significance	significance	NN
39142	584	20	in	in	IN
39142	584	21	the	the	DT
39142	584	22	cosmogony	cosmogony	NN
39142	584	23	,	,	,
39142	584	24	with	with	IN
39142	584	25	which	which	WDT
39142	584	26	we	-PRON-	PRP
39142	584	27	deal	deal	VBP
39142	584	28	later	later	RB
39142	584	29	.	.	.
39142	585	1	If	if	IN
39142	585	2	we	-PRON-	PRP
39142	585	3	consider	consider	VBP
39142	585	4	the	the	DT
39142	585	5	sun	sun	NN
39142	585	6	and	and	CC
39142	585	7	his	-PRON-	PRP$
39142	585	8	eight	eight	CD
39142	585	9	planets	planet	NNS
39142	585	10	,	,	,
39142	585	11	the	the	DT
39142	585	12	mass	mass	NN
39142	585	13	or	or	CC
39142	585	14	weight	weight	NN
39142	585	15	of	of	IN
39142	585	16	each	each	DT
39142	585	17	of	of	IN
39142	585	18	the	the	DT
39142	585	19	nine	nine	CD
39142	585	20	bodies	body	NNS
39142	585	21	far	far	RB
39142	585	22	exceeds	exceed	VBZ
39142	585	23	the	the	DT
39142	585	24	combined	combine	VBN
39142	585	25	mass	mass	NN
39142	585	26	of	of	IN
39142	585	27	all	all	PDT
39142	585	28	the	the	DT
39142	585	29	others	other	NNS
39142	585	30	which	which	WDT
39142	585	31	are	be	VBP
39142	585	32	lighter	light	JJR
39142	585	33	than	than	IN
39142	585	34	itself	-PRON-	PRP
39142	585	35	.	.	.
39142	586	1	To	to	TO
39142	586	2	illustrate	illustrate	VB
39142	586	3	:	:	:
39142	586	4	suppose	suppose	VB
39142	586	5	we	-PRON-	PRP
39142	586	6	take	take	VBP
39142	586	7	as	as	IN
39142	586	8	our	-PRON-	PRP$
39142	586	9	unit	unit	NN
39142	586	10	of	of	IN
39142	586	11	weight	weight	NN
39142	586	12	the	the	DT
39142	586	13	one	one	CD
39142	586	14	-	-	HYPH
39142	586	15	billionth	billionth	JJ
39142	586	16	part	part	NN
39142	586	17	of	of	IN
39142	586	18	the	the	DT
39142	586	19	sun	sun	NN
39142	586	20	's	's	POS
39142	586	21	weight	weight	NN
39142	586	22	;	;	:
39142	586	23	then	then	RB
39142	586	24	the	the	DT
39142	586	25	planets	planet	NNS
39142	586	26	in	in	IN
39142	586	27	the	the	DT
39142	586	28	order	order	NN
39142	586	29	of	of	IN
39142	586	30	their	-PRON-	PRP$
39142	586	31	masses	masse	NNS
39142	586	32	will	will	MD
39142	586	33	be	be	VB
39142	586	34	Mercury	Mercury	NNP
39142	586	35	,	,	,
39142	586	36	Mars	Mars	NNP
39142	586	37	,	,	,
39142	586	38	Venus	Venus	NNP
39142	586	39	,	,	,
39142	586	40	Earth	Earth	NNP
39142	586	41	,	,	,
39142	586	42	Uranus	Uranus	NNP
39142	586	43	,	,	,
39142	586	44	Neptune	Neptune	NNP
39142	586	45	,	,	,
39142	586	46	Saturn	Saturn	NNP
39142	586	47	,	,	,
39142	586	48	and	and	CC
39142	586	49	Jupiter	Jupiter	NNP
39142	586	50	.	.	.
39142	587	1	According	accord	VBG
39142	587	2	to	to	IN
39142	587	3	their	-PRON-	PRP$
39142	587	4	relative	relative	JJ
39142	587	5	masses	masse	NNS
39142	587	6	,	,	,
39142	587	7	then	then	RB
39142	587	8	,	,	,
39142	587	9	Mercury	Mercury	NNP
39142	587	10	being	be	VBG
39142	587	11	a	a	DT
39142	587	12	five	five	CD
39142	587	13	-	-	HYPH
39142	587	14	millionth	millionth	NN
39142	587	15	part	part	NN
39142	587	16	the	the	DT
39142	587	17	weight	weight	NN
39142	587	18	of	of	IN
39142	587	19	the	the	DT
39142	587	20	sun	sun	NN
39142	587	21	will	will	MD
39142	587	22	be	be	VB
39142	587	23	represented	represent	VBN
39142	587	24	by	by	IN
39142	587	25	200	200	CD
39142	587	26	;	;	:
39142	587	27	similarly	similarly	RB
39142	587	28	Venus	Venus	NNP
39142	587	29	,	,	,
39142	587	30	a	a	DT
39142	587	31	four	four	CD
39142	587	32	hundred	hundred	CD
39142	587	33	and	and	CC
39142	587	34	twenty	twenty	CD
39142	587	35	-	-	HYPH
39142	587	36	five	five	CD
39142	587	37	thousandth	thousandth	NN
39142	587	38	part	part	NN
39142	587	39	by	by	IN
39142	587	40	2,350	2,350	CD
39142	587	41	,	,	,
39142	587	42	and	and	CC
39142	587	43	so	so	RB
39142	587	44	on	on	RB
39142	587	45	.	.	.
39142	588	1	Then	then	RB
39142	588	2	we	-PRON-	PRP
39142	588	3	have	have	VBP
39142	588	4	Mercury	Mercury	NNP
39142	588	5	200	200	CD
39142	588	6	Mars	Mars	NNP
39142	588	7	340	340	CD
39142	588	8	------	------	:
39142	588	9	Sum	sum	NN
39142	588	10	of	of	IN
39142	588	11	weights	weight	NNS
39142	588	12	of	of	IN
39142	588	13	Mercury	Mercury	NNP
39142	588	14	and	and	CC
39142	588	15	Mars	Mars	NNP
39142	588	16	540	540	CD
39142	588	17	Venus	Venus	NNP
39142	588	18	2,350	2,350	CD
39142	588	19	------	------	:
39142	588	20	Sum	sum	NN
39142	588	21	of	of	IN
39142	588	22	weights	weight	NNS
39142	588	23	of	of	IN
39142	588	24	Mercury	Mercury	NNP
39142	588	25	,	,	,
39142	588	26	Mars	Mars	NNP
39142	588	27	,	,	,
39142	588	28	and	and	CC
39142	588	29	Venus	Venus	NNP
39142	588	30	2,890	2,890	CD
39142	588	31	The	the	DT
39142	588	32	Earth	Earth	NNP
39142	588	33	3,060	3,060	CD
39142	588	34	------	------	:
39142	588	35	Sum	sum	NN
39142	588	36	of	of	IN
39142	588	37	weights	weight	NNS
39142	588	38	of	of	IN
39142	588	39	four	four	CD
39142	588	40	inner	inner	JJ
39142	588	41	planets	planet	NNS
39142	588	42	5,950	5,950	CD
39142	588	43	Uranus	uranus	NN
39142	588	44	44,250	44,250	CD
39142	588	45	------	------	NFP
39142	588	46	Sum	sum	NN
39142	588	47	of	of	IN
39142	588	48	weights	weight	NNS
39142	588	49	of	of	IN
39142	588	50	five	five	CD
39142	588	51	planets	planet	NNS
39142	588	52	50,200	50,200	CD
39142	588	53	Neptune	Neptune	NNP
39142	588	54	51,600	51,600	CD
39142	588	55	-------	-------	NFP
39142	588	56	Sum	Sum	NNP
39142	588	57	of	of	IN
39142	588	58	weights	weight	NNS
39142	588	59	of	of	IN
39142	588	60	six	six	CD
39142	588	61	planets	planet	NNS
39142	588	62	101,800	101,800	CD
39142	588	63	Saturn	Saturn	NNP
39142	588	64	285,580	285,580	CD
39142	588	65	---------	---------	NFP
39142	588	66	Sum	Sum	NNP
39142	588	67	of	of	IN
39142	588	68	weights	weight	NNS
39142	588	69	of	of	IN
39142	588	70	seven	seven	CD
39142	588	71	planets	planet	NNS
39142	588	72	387,380	387,380	CD
39142	588	73	Jupiter	Jupiter	NNP
39142	588	74	954,300	954,300	CD
39142	588	75	---------	---------	NFP
39142	588	76	Sum	sum	NN
39142	588	77	of	of	IN
39142	588	78	weights	weight	NNS
39142	588	79	of	of	IN
39142	588	80	all	all	PDT
39142	588	81	the	the	DT
39142	588	82	planets	planet	NNS
39142	588	83	1,341,680	1,341,680	CD
39142	588	84	Mass	mass	NN
39142	588	85	or	or	CC
39142	588	86	weight	weight	NN
39142	588	87	of	of	IN
39142	588	88	the	the	DT
39142	588	89	sun	sun	NN
39142	588	90	1,000,000,000	1,000,000,000	CD
39142	588	91	Curious	curious	JJ
39142	588	92	and	and	CC
39142	588	93	interesting	interesting	JJ
39142	588	94	it	-PRON-	PRP
39142	588	95	is	be	VBZ
39142	588	96	that	that	IN
39142	588	97	Saturn	Saturn	NNP
39142	588	98	is	be	VBZ
39142	588	99	nearly	nearly	RB
39142	588	100	three	three	CD
39142	588	101	times	time	NNS
39142	588	102	as	as	RB
39142	588	103	heavy	heavy	JJ
39142	588	104	as	as	IN
39142	588	105	the	the	DT
39142	588	106	six	six	CD
39142	588	107	lighter	light	JJR
39142	588	108	planets	planet	NNS
39142	588	109	taken	take	VBN
39142	588	110	together	together	RB
39142	588	111	,	,	,
39142	588	112	Jupiter	Jupiter	NNP
39142	588	113	between	between	IN
39142	588	114	two	two	CD
39142	588	115	and	and	CC
39142	588	116	three	three	CD
39142	588	117	times	time	NNS
39142	588	118	heavier	heavy	JJR
39142	588	119	than	than	IN
39142	588	120	all	all	PDT
39142	588	121	the	the	DT
39142	588	122	other	other	JJ
39142	588	123	planets	planet	NNS
39142	588	124	combined	combine	VBN
39142	588	125	,	,	,
39142	588	126	while	while	IN
39142	588	127	the	the	DT
39142	588	128	sun	sun	NN
39142	588	129	's	's	POS
39142	588	130	mass	mass	NN
39142	588	131	is	be	VBZ
39142	588	132	750	750	CD
39142	588	133	times	time	NNS
39142	588	134	that	that	DT
39142	588	135	of	of	IN
39142	588	136	all	all	PDT
39142	588	137	the	the	DT
39142	588	138	great	great	JJ
39142	588	139	planets	planet	NNS
39142	588	140	of	of	IN
39142	588	141	his	-PRON-	PRP$
39142	588	142	system	system	NN
39142	588	143	rolled	roll	VBD
39142	588	144	into	into	IN
39142	588	145	one	one	CD
39142	588	146	.	.	.
39142	589	1	All	all	PDT
39142	589	2	the	the	DT
39142	589	3	foregoing	foregoing	NN
39142	589	4	masses	masse	NNS
39142	589	5	,	,	,
39142	589	6	except	except	IN
39142	589	7	those	those	DT
39142	589	8	of	of	IN
39142	589	9	Mercury	Mercury	NNP
39142	589	10	and	and	CC
39142	589	11	Venus	Venus	NNP
39142	589	12	,	,	,
39142	589	13	are	be	VBP
39142	589	14	pretty	pretty	RB
39142	589	15	accurately	accurately	RB
39142	589	16	known	know	VBN
39142	589	17	because	because	IN
39142	589	18	they	-PRON-	PRP
39142	589	19	were	be	VBD
39142	589	20	found	find	VBN
39142	589	21	by	by	IN
39142	589	22	the	the	DT
39142	589	23	satellite	satellite	NN
39142	589	24	method	method	NN
39142	589	25	just	just	RB
39142	589	26	indicated	indicate	VBD
39142	589	27	.	.	.
39142	590	1	Mercury	Mercury	NNP
39142	590	2	's	's	POS
39142	590	3	mass	mass	NN
39142	590	4	is	be	VBZ
39142	590	5	found	find	VBN
39142	590	6	by	by	IN
39142	590	7	its	-PRON-	PRP$
39142	590	8	disturbing	disturbing	JJ
39142	590	9	effects	effect	NNS
39142	590	10	on	on	IN
39142	590	11	Encke	Encke	NNP
39142	590	12	's	's	POS
39142	590	13	comet	comet	NN
39142	590	14	whenever	whenever	WRB
39142	590	15	it	-PRON-	PRP
39142	590	16	approaches	approach	VBZ
39142	590	17	very	very	RB
39142	590	18	near	near	RB
39142	590	19	.	.	.
39142	591	1	The	the	DT
39142	591	2	mass	mass	NN
39142	591	3	of	of	IN
39142	591	4	Venus	Venus	NNP
39142	591	5	is	be	VBZ
39142	591	6	ascertained	ascertain	VBN
39142	591	7	by	by	IN
39142	591	8	the	the	DT
39142	591	9	perturbations	perturbation	NNS
39142	591	10	in	in	IN
39142	591	11	the	the	DT
39142	591	12	orbital	orbital	JJ
39142	591	13	motion	motion	NN
39142	591	14	of	of	IN
39142	591	15	the	the	DT
39142	591	16	earth	earth	NN
39142	591	17	.	.	.
39142	592	1	In	in	IN
39142	592	2	such	such	JJ
39142	592	3	cases	case	NNS
39142	592	4	the	the	DT
39142	592	5	Newtonian	newtonian	JJ
39142	592	6	law	law	NN
39142	592	7	of	of	IN
39142	592	8	gravitation	gravitation	NN
39142	592	9	forms	form	VBZ
39142	592	10	the	the	DT
39142	592	11	basis	basis	NN
39142	592	12	of	of	IN
39142	592	13	the	the	DT
39142	592	14	intricate	intricate	JJ
39142	592	15	and	and	CC
39142	592	16	tedious	tedious	JJ
39142	592	17	calculations	calculation	NNS
39142	592	18	necessary	necessary	JJ
39142	592	19	to	to	TO
39142	592	20	find	find	VB
39142	592	21	out	out	RP
39142	592	22	the	the	DT
39142	592	23	mass	mass	NN
39142	592	24	by	by	IN
39142	592	25	this	this	DT
39142	592	26	indirect	indirect	JJ
39142	592	27	method	method	NN
39142	592	28	.	.	.
39142	593	1	Its	-PRON-	PRP$
39142	593	2	inferiority	inferiority	NN
39142	593	3	to	to	IN
39142	593	4	the	the	DT
39142	593	5	satellite	satellite	NN
39142	593	6	method	method	NN
39142	593	7	was	be	VBD
39142	593	8	strikingly	strikingly	RB
39142	593	9	shown	show	VBN
39142	593	10	at	at	IN
39142	593	11	the	the	DT
39142	593	12	Observatory	Observatory	NNP
39142	593	13	in	in	IN
39142	593	14	Washington	Washington	NNP
39142	593	15	soon	soon	RB
39142	593	16	after	after	IN
39142	593	17	the	the	DT
39142	593	18	satellites	satellite	NNS
39142	593	19	of	of	IN
39142	593	20	Mars	Mars	NNP
39142	593	21	were	be	VBD
39142	593	22	discovered	discover	VBN
39142	593	23	in	in	IN
39142	593	24	1877	1877	CD
39142	593	25	.	.	.
39142	594	1	The	the	DT
39142	594	2	inaccurate	inaccurate	JJ
39142	594	3	mass	mass	NN
39142	594	4	of	of	IN
39142	594	5	that	that	DT
39142	594	6	planet	planet	NN
39142	594	7	,	,	,
39142	594	8	as	as	IN
39142	594	9	previously	previously	RB
39142	594	10	known	know	VBN
39142	594	11	by	by	IN
39142	594	12	months	month	NNS
39142	594	13	of	of	IN
39142	594	14	computation	computation	NN
39142	594	15	based	base	VBN
39142	594	16	upon	upon	IN
39142	594	17	years	year	NNS
39142	594	18	and	and	CC
39142	594	19	years	year	NNS
39142	594	20	of	of	IN
39142	594	21	observation	observation	NN
39142	594	22	,	,	,
39142	594	23	was	be	VBD
39142	594	24	immediately	immediately	RB
39142	594	25	discarded	discard	VBN
39142	594	26	in	in	IN
39142	594	27	favor	favor	NN
39142	594	28	of	of	IN
39142	594	29	the	the	DT
39142	594	30	new	new	JJ
39142	594	31	mass	mass	NN
39142	594	32	derived	derive	VBN
39142	594	33	from	from	IN
39142	594	34	the	the	DT
39142	594	35	distance	distance	NN
39142	594	36	and	and	CC
39142	594	37	period	period	NN
39142	594	38	of	of	IN
39142	594	39	the	the	DT
39142	594	40	outer	outer	NNP
39142	594	41	satellite	satellite	NN
39142	594	42	by	by	IN
39142	594	43	only	only	RB
39142	594	44	a	a	DT
39142	594	45	few	few	JJ
39142	594	46	minutes	minute	NNS
39142	594	47	'	'	POS
39142	594	48	calculation	calculation	NN
39142	594	49	.	.	.
39142	595	1	In	in	IN
39142	595	2	weighing	weigh	VBG
39142	595	3	the	the	DT
39142	595	4	planets	planet	NNS
39142	595	5	,	,	,
39142	595	6	astronomers	astronomer	NNS
39142	595	7	always	always	RB
39142	595	8	use	use	VBP
39142	595	9	the	the	DT
39142	595	10	sun	sun	NN
39142	595	11	as	as	IN
39142	595	12	the	the	DT
39142	595	13	unit	unit	NN
39142	595	14	.	.	.
39142	596	1	What	what	WP
39142	596	2	then	then	RB
39142	596	3	is	be	VBZ
39142	596	4	the	the	DT
39142	596	5	sun	sun	NN
39142	596	6	's	's	POS
39142	596	7	own	own	JJ
39142	596	8	weight	weight	NN
39142	596	9	?	?	.
39142	597	1	Obviously	obviously	RB
39142	597	2	the	the	DT
39142	597	3	law	law	NN
39142	597	4	of	of	IN
39142	597	5	gravitation	gravitation	NN
39142	597	6	answers	answer	NNS
39142	597	7	this	this	DT
39142	597	8	question	question	NN
39142	597	9	,	,	,
39142	597	10	if	if	IN
39142	597	11	we	-PRON-	PRP
39142	597	12	compare	compare	VBP
39142	597	13	the	the	DT
39142	597	14	sun	sun	NN
39142	597	15	's	's	POS
39142	597	16	attraction	attraction	NN
39142	597	17	with	with	IN
39142	597	18	the	the	DT
39142	597	19	earth	earth	NN
39142	597	20	's	's	POS
39142	597	21	at	at	IN
39142	597	22	equal	equal	JJ
39142	597	23	distances	distance	NNS
39142	597	24	.	.	.
39142	598	1	First	first	RB
39142	598	2	we	-PRON-	PRP
39142	598	3	conceive	conceive	VBP
39142	598	4	of	of	IN
39142	598	5	the	the	DT
39142	598	6	sun	sun	NN
39142	598	7	's	's	POS
39142	598	8	mass	mass	NN
39142	598	9	as	as	IN
39142	598	10	if	if	IN
39142	598	11	all	all	DT
39142	598	12	compressed	compress	VBD
39142	598	13	into	into	IN
39142	598	14	a	a	DT
39142	598	15	globe	globe	NN
39142	598	16	the	the	DT
39142	598	17	size	size	NN
39142	598	18	of	of	IN
39142	598	19	the	the	DT
39142	598	20	earth	earth	NN
39142	598	21	,	,	,
39142	598	22	and	and	CC
39142	598	23	calculate	calculate	VB
39142	598	24	how	how	WRB
39142	598	25	far	far	RB
39142	598	26	a	a	DT
39142	598	27	body	body	NN
39142	598	28	at	at	IN
39142	598	29	the	the	DT
39142	598	30	surface	surface	NN
39142	598	31	of	of	IN
39142	598	32	this	this	DT
39142	598	33	globe	globe	NN
39142	598	34	would	would	MD
39142	598	35	fall	fall	VB
39142	598	36	in	in	IN
39142	598	37	one	one	CD
39142	598	38	second	second	NN
39142	598	39	.	.	.
39142	599	1	The	the	DT
39142	599	2	relation	relation	NN
39142	599	3	of	of	IN
39142	599	4	this	this	DT
39142	599	5	number	number	NN
39142	599	6	to	to	IN
39142	599	7	16.1	16.1	CD
39142	599	8	feet	foot	NNS
39142	599	9	,	,	,
39142	599	10	the	the	DT
39142	599	11	distance	distance	NN
39142	599	12	a	a	DT
39142	599	13	body	body	NN
39142	599	14	falls	fall	VBZ
39142	599	15	in	in	IN
39142	599	16	one	one	CD
39142	599	17	second	second	NN
39142	599	18	on	on	IN
39142	599	19	the	the	DT
39142	599	20	actual	actual	JJ
39142	599	21	earth	earth	NN
39142	599	22	,	,	,
39142	599	23	is	be	VBZ
39142	599	24	about	about	RB
39142	599	25	330,000	330,000	CD
39142	599	26	,	,	,
39142	599	27	which	which	WDT
39142	599	28	is	be	VBZ
39142	599	29	therefore	therefore	RB
39142	599	30	the	the	DT
39142	599	31	number	number	NN
39142	599	32	of	of	IN
39142	599	33	times	time	NNS
39142	599	34	the	the	DT
39142	599	35	sun	sun	NN
39142	599	36	's	's	POS
39142	599	37	weight	weight	NN
39142	599	38	exceeds	exceed	VBZ
39142	599	39	that	that	DT
39142	599	40	of	of	IN
39142	599	41	the	the	DT
39142	599	42	earth	earth	NN
39142	599	43	.	.	.
39142	600	1	A	a	DT
39142	600	2	word	word	NN
39142	600	3	may	may	MD
39142	600	4	be	be	VB
39142	600	5	added	add	VBN
39142	600	6	regarding	regard	VBG
39142	600	7	the	the	DT
39142	600	8	force	force	NN
39142	600	9	of	of	IN
39142	600	10	gravitation	gravitation	NN
39142	600	11	and	and	CC
39142	600	12	what	what	WP
39142	600	13	it	-PRON-	PRP
39142	600	14	really	really	RB
39142	600	15	is	be	VBZ
39142	600	16	.	.	.
39142	601	1	As	as	IN
39142	601	2	a	a	DT
39142	601	3	matter	matter	NN
39142	601	4	of	of	IN
39142	601	5	fact	fact	NN
39142	601	6	Newton	Newton	NNP
39142	601	7	did	do	VBD
39142	601	8	not	not	RB
39142	601	9	concern	concern	VB
39142	601	10	himself	-PRON-	PRP
39142	601	11	in	in	IN
39142	601	12	the	the	DT
39142	601	13	least	least	JJS
39142	601	14	with	with	IN
39142	601	15	this	this	DT
39142	601	16	inquiry	inquiry	NN
39142	601	17	,	,	,
39142	601	18	and	and	CC
39142	601	19	says	say	VBZ
39142	601	20	so	so	RB
39142	601	21	very	very	RB
39142	601	22	definitely	definitely	RB
39142	601	23	.	.	.
39142	602	1	What	what	WP
39142	602	2	he	-PRON-	PRP
39142	602	3	did	do	VBD
39142	602	4	was	be	VBD
39142	602	5	to	to	TO
39142	602	6	discover	discover	VB
39142	602	7	the	the	DT
39142	602	8	law	law	NN
39142	602	9	according	accord	VBG
39142	602	10	to	to	IN
39142	602	11	which	which	WDT
39142	602	12	gravitation	gravitation	NN
39142	602	13	acts	act	NNS
39142	602	14	everywhere	everywhere	RB
39142	602	15	throughout	throughout	IN
39142	602	16	the	the	DT
39142	602	17	solar	solar	JJ
39142	602	18	system	system	NN
39142	602	19	.	.	.
39142	603	1	And	and	CC
39142	603	2	although	although	IN
39142	603	3	many	many	JJ
39142	603	4	physicists	physicist	NNS
39142	603	5	have	have	VBP
39142	603	6	endeavored	endeavor	VBN
39142	603	7	to	to	TO
39142	603	8	find	find	VB
39142	603	9	out	out	RP
39142	603	10	what	what	WP
39142	603	11	gravitation	gravitation	NN
39142	603	12	really	really	RB
39142	603	13	is	be	VBZ
39142	603	14	,	,	,
39142	603	15	its	-PRON-	PRP$
39142	603	16	cause	cause	NN
39142	603	17	is	be	VBZ
39142	603	18	not	not	RB
39142	603	19	yet	yet	RB
39142	603	20	known	know	VBN
39142	603	21	.	.	.
39142	604	1	In	in	IN
39142	604	2	some	some	DT
39142	604	3	manner	manner	NN
39142	604	4	as	as	IN
39142	604	5	yet	yet	RB
39142	604	6	mysterious	mysterious	JJ
39142	604	7	it	-PRON-	PRP
39142	604	8	acts	act	VBZ
39142	604	9	instantaneously	instantaneously	RB
39142	604	10	over	over	IN
39142	604	11	distances	distance	NNS
39142	604	12	great	great	JJ
39142	604	13	and	and	CC
39142	604	14	small	small	JJ
39142	604	15	alike	alike	RB
39142	604	16	,	,	,
39142	604	17	and	and	CC
39142	604	18	no	no	DT
39142	604	19	substance	substance	NN
39142	604	20	has	have	VBZ
39142	604	21	been	be	VBN
39142	604	22	found	find	VBN
39142	604	23	which	which	WDT
39142	604	24	,	,	,
39142	604	25	if	if	IN
39142	604	26	we	-PRON-	PRP
39142	604	27	interpose	interpose	VBP
39142	604	28	it	-PRON-	PRP
39142	604	29	between	between	IN
39142	604	30	two	two	CD
39142	604	31	bodies	body	NNS
39142	604	32	,	,	,
39142	604	33	has	have	VBZ
39142	604	34	in	in	IN
39142	604	35	any	any	DT
39142	604	36	degree	degree	NN
39142	604	37	the	the	DT
39142	604	38	effect	effect	NN
39142	604	39	of	of	IN
39142	604	40	interrupting	interrupt	VBG
39142	604	41	their	-PRON-	PRP$
39142	604	42	gravitational	gravitational	JJ
39142	604	43	tendency	tendency	NN
39142	604	44	toward	toward	IN
39142	604	45	each	each	DT
39142	604	46	other	other	JJ
39142	604	47	.	.	.
39142	605	1	While	while	IN
39142	605	2	the	the	DT
39142	605	3	Newtonian	newtonian	JJ
39142	605	4	law	law	NN
39142	605	5	of	of	IN
39142	605	6	gravitation	gravitation	NN
39142	605	7	has	have	VBZ
39142	605	8	been	be	VBN
39142	605	9	accepted	accept	VBN
39142	605	10	as	as	IN
39142	605	11	true	true	JJ
39142	605	12	because	because	IN
39142	605	13	it	-PRON-	PRP
39142	605	14	explained	explain	VBD
39142	605	15	and	and	CC
39142	605	16	accounted	account	VBD
39142	605	17	for	for	IN
39142	605	18	all	all	PDT
39142	605	19	the	the	DT
39142	605	20	motions	motion	NNS
39142	605	21	of	of	IN
39142	605	22	the	the	DT
39142	605	23	heavenly	heavenly	JJ
39142	605	24	bodies	body	NNS
39142	605	25	,	,	,
39142	605	26	even	even	RB
39142	605	27	including	include	VBG
39142	605	28	such	such	JJ
39142	605	29	motions	motion	NNS
39142	605	30	of	of	IN
39142	605	31	the	the	DT
39142	605	32	stars	star	NNS
39142	605	33	as	as	IN
39142	605	34	have	have	VBP
39142	605	35	been	be	VBN
39142	605	36	subjected	subject	VBN
39142	605	37	to	to	IN
39142	605	38	observation	observation	NN
39142	605	39	,	,	,
39142	605	40	astronomers	astronomer	NNS
39142	605	41	have	have	VBP
39142	605	42	for	for	IN
39142	605	43	a	a	DT
39142	605	44	long	long	JJ
39142	605	45	time	time	NN
39142	605	46	recognized	recognize	VBD
39142	605	47	that	that	IN
39142	605	48	quite	quite	RB
39142	605	49	possibly	possibly	RB
39142	605	50	the	the	DT
39142	605	51	law	law	NN
39142	605	52	might	may	MD
39142	605	53	not	not	RB
39142	605	54	be	be	VB
39142	605	55	absolutely	absolutely	RB
39142	605	56	exact	exact	JJ
39142	605	57	in	in	IN
39142	605	58	a	a	DT
39142	605	59	mathematical	mathematical	JJ
39142	605	60	sense	sense	NN
39142	605	61	,	,	,
39142	605	62	and	and	CC
39142	605	63	that	that	IN
39142	605	64	deviations	deviation	NNS
39142	605	65	from	from	IN
39142	605	66	it	-PRON-	PRP
39142	605	67	would	would	MD
39142	605	68	surely	surely	RB
39142	605	69	make	make	VB
39142	605	70	their	-PRON-	PRP$
39142	605	71	appearance	appearance	NN
39142	605	72	in	in	IN
39142	605	73	time	time	NN
39142	605	74	.	.	.
39142	606	1	A	a	DT
39142	606	2	crude	crude	JJ
39142	606	3	instance	instance	NN
39142	606	4	of	of	IN
39142	606	5	this	this	DT
39142	606	6	was	be	VBD
39142	606	7	suggested	suggest	VBN
39142	606	8	about	about	IN
39142	606	9	a	a	DT
39142	606	10	century	century	NN
39142	606	11	ago	ago	RB
39142	606	12	,	,	,
39142	606	13	when	when	WRB
39142	606	14	the	the	DT
39142	606	15	planet	planet	NN
39142	606	16	Uranus	uranus	NN
39142	606	17	was	be	VBD
39142	606	18	found	find	VBN
39142	606	19	to	to	TO
39142	606	20	be	be	VB
39142	606	21	deviating	deviate	VBG
39142	606	22	from	from	IN
39142	606	23	the	the	DT
39142	606	24	path	path	NN
39142	606	25	marked	mark	VBN
39142	606	26	out	out	RP
39142	606	27	for	for	IN
39142	606	28	it	-PRON-	PRP
39142	606	29	by	by	IN
39142	606	30	Bouvard	Bouvard	NNP
39142	606	31	's	's	POS
39142	606	32	tables	table	NNS
39142	606	33	based	base	VBN
39142	606	34	on	on	IN
39142	606	35	the	the	DT
39142	606	36	Newtonian	newtonian	JJ
39142	606	37	law	law	NN
39142	606	38	;	;	:
39142	606	39	and	and	CC
39142	606	40	the	the	DT
39142	606	41	theory	theory	NN
39142	606	42	was	be	VBD
39142	606	43	advocated	advocate	VBN
39142	606	44	by	by	IN
39142	606	45	many	many	JJ
39142	606	46	astronomers	astronomer	NNS
39142	606	47	that	that	WDT
39142	606	48	this	this	DT
39142	606	49	law	law	NN
39142	606	50	,	,	,
39142	606	51	while	while	IN
39142	606	52	operant	operant	JJ
39142	606	53	at	at	IN
39142	606	54	the	the	DT
39142	606	55	medium	medium	JJ
39142	606	56	distances	distance	NNS
39142	606	57	from	from	IN
39142	606	58	the	the	DT
39142	606	59	sun	sun	NN
39142	606	60	where	where	WRB
39142	606	61	the	the	DT
39142	606	62	planets	planet	NNS
39142	606	63	within	within	IN
39142	606	64	Jupiter	Jupiter	NNP
39142	606	65	and	and	CC
39142	606	66	Saturn	Saturn	NNP
39142	606	67	travel	travel	NN
39142	606	68	,	,	,
39142	606	69	could	could	MD
39142	606	70	not	not	RB
39142	606	71	be	be	VB
39142	606	72	expected	expect	VBN
39142	606	73	to	to	TO
39142	606	74	hold	hold	VB
39142	606	75	absolutely	absolutely	RB
39142	606	76	true	true	JJ
39142	606	77	at	at	IN
39142	606	78	the	the	DT
39142	606	79	vast	vast	JJ
39142	606	80	distance	distance	NN
39142	606	81	of	of	IN
39142	606	82	Uranus	Uranus	NNP
39142	606	83	and	and	CC
39142	606	84	beyond	beyond	RB
39142	606	85	.	.	.
39142	607	1	The	the	DT
39142	607	2	discovery	discovery	NN
39142	607	3	of	of	IN
39142	607	4	Neptune	Neptune	NNP
39142	607	5	in	in	IN
39142	607	6	1846	1846	CD
39142	607	7	,	,	,
39142	607	8	however	however	RB
39142	607	9	,	,	,
39142	607	10	put	put	VB
39142	607	11	an	an	DT
39142	607	12	end	end	NN
39142	607	13	to	to	IN
39142	607	14	all	all	DT
39142	607	15	such	such	JJ
39142	607	16	speculation	speculation	NN
39142	607	17	,	,	,
39142	607	18	and	and	CC
39142	607	19	has	have	VBZ
39142	607	20	universally	universally	RB
39142	607	21	been	be	VBN
39142	607	22	regarded	regard	VBN
39142	607	23	as	as	IN
39142	607	24	an	an	DT
39142	607	25	extraordinary	extraordinary	JJ
39142	607	26	verification	verification	NN
39142	607	27	of	of	IN
39142	607	28	the	the	DT
39142	607	29	law	law	NN
39142	607	30	,	,	,
39142	607	31	as	as	RB
39142	607	32	indeed	indeed	RB
39142	607	33	it	-PRON-	PRP
39142	607	34	is	be	VBZ
39142	607	35	.	.	.
39142	608	1	When	when	WRB
39142	608	2	,	,	,
39142	608	3	however	however	RB
39142	608	4	,	,	,
39142	608	5	Le	Le	NNP
39142	608	6	Verrier	Verrier	NNP
39142	608	7	investigated	investigate	VBD
39142	608	8	the	the	DT
39142	608	9	orbit	orbit	NN
39142	608	10	of	of	IN
39142	608	11	Mercury	Mercury	NNP
39142	608	12	he	-PRON-	PRP
39142	608	13	found	find	VBD
39142	608	14	an	an	DT
39142	608	15	excess	excess	NN
39142	608	16	of	of	IN
39142	608	17	motion	motion	NN
39142	608	18	in	in	IN
39142	608	19	the	the	DT
39142	608	20	perihelion	perihelion	NN
39142	608	21	point	point	NN
39142	608	22	of	of	IN
39142	608	23	the	the	DT
39142	608	24	planet	planet	NN
39142	608	25	's	's	POS
39142	608	26	orbit	orbit	NN
39142	608	27	which	which	WDT
39142	608	28	neither	neither	CC
39142	608	29	he	-PRON-	PRP
39142	608	30	nor	nor	CC
39142	608	31	subsequent	subsequent	JJ
39142	608	32	investigators	investigator	NNS
39142	608	33	have	have	VBP
39142	608	34	been	be	VBN
39142	608	35	able	able	JJ
39142	608	36	to	to	TO
39142	608	37	account	account	VB
39142	608	38	for	for	IN
39142	608	39	by	by	IN
39142	608	40	Newtonian	newtonian	JJ
39142	608	41	gravitation	gravitation	NN
39142	608	42	,	,	,
39142	608	43	pure	pure	JJ
39142	608	44	and	and	CC
39142	608	45	simple	simple	JJ
39142	608	46	.	.	.
39142	609	1	If	if	IN
39142	609	2	Newton	Newton	NNP
39142	609	3	's	's	POS
39142	609	4	theory	theory	NN
39142	609	5	is	be	VBZ
39142	609	6	absolutely	absolutely	RB
39142	609	7	true	true	JJ
39142	609	8	,	,	,
39142	609	9	the	the	DT
39142	609	10	excess	excess	JJ
39142	609	11	motion	motion	NN
39142	609	12	of	of	IN
39142	609	13	Mercury	Mercury	NNP
39142	609	14	's	's	POS
39142	609	15	perihelion	perihelion	NN
39142	609	16	remains	remain	VBZ
39142	609	17	a	a	DT
39142	609	18	mystery	mystery	NN
39142	609	19	.	.	.
39142	610	1	Only	only	RB
39142	610	2	one	one	CD
39142	610	3	theory	theory	NN
39142	610	4	has	have	VBZ
39142	610	5	been	be	VBN
39142	610	6	advanced	advance	VBN
39142	610	7	to	to	TO
39142	610	8	account	account	VB
39142	610	9	for	for	IN
39142	610	10	this	this	DT
39142	610	11	discrepancy	discrepancy	NN
39142	610	12	,	,	,
39142	610	13	and	and	CC
39142	610	14	that	that	DT
39142	610	15	is	be	VBZ
39142	610	16	the	the	DT
39142	610	17	Einstein	Einstein	NNP
39142	610	18	theory	theory	NN
39142	610	19	of	of	IN
39142	610	20	gravitation	gravitation	NN
39142	610	21	.	.	.
39142	611	1	This	this	DT
39142	611	2	ingenious	ingenious	JJ
39142	611	3	speculation	speculation	NN
39142	611	4	was	be	VBD
39142	611	5	first	first	RB
39142	611	6	propounded	propound	VBN
39142	611	7	in	in	IN
39142	611	8	comprehensive	comprehensive	JJ
39142	611	9	form	form	NN
39142	611	10	nearly	nearly	RB
39142	611	11	fifteen	fifteen	CD
39142	611	12	years	year	NNS
39142	611	13	ago	ago	RB
39142	611	14	,	,	,
39142	611	15	and	and	CC
39142	611	16	its	-PRON-	PRP$
39142	611	17	author	author	NN
39142	611	18	has	have	VBZ
39142	611	19	developed	develop	VBN
39142	611	20	from	from	IN
39142	611	21	it	-PRON-	PRP
39142	611	22	mathematical	mathematical	JJ
39142	611	23	formulæ	formulæ	NN
39142	611	24	which	which	WDT
39142	611	25	appear	appear	VBP
39142	611	26	to	to	TO
39142	611	27	yield	yield	VB
39142	611	28	results	result	NNS
39142	611	29	even	even	RB
39142	611	30	more	more	RBR
39142	611	31	precise	precise	JJ
39142	611	32	than	than	IN
39142	611	33	those	those	DT
39142	611	34	based	base	VBN
39142	611	35	on	on	IN
39142	611	36	the	the	DT
39142	611	37	Newtonian	newtonian	JJ
39142	611	38	theory	theory	NN
39142	611	39	.	.	.
39142	612	1	In	in	IN
39142	612	2	expressing	express	VBG
39142	612	3	the	the	DT
39142	612	4	difference	difference	NN
39142	612	5	between	between	IN
39142	612	6	the	the	DT
39142	612	7	law	law	NN
39142	612	8	of	of	IN
39142	612	9	gravitation	gravitation	NN
39142	612	10	and	and	CC
39142	612	11	his	-PRON-	PRP$
39142	612	12	own	own	JJ
39142	612	13	conception	conception	NN
39142	612	14	,	,	,
39142	612	15	Einstein	Einstein	NNP
39142	612	16	says	say	VBZ
39142	612	17	:	:	:
39142	612	18	"	"	``
39142	612	19	Imagine	imagine	VB
39142	612	20	the	the	DT
39142	612	21	earth	earth	NN
39142	612	22	removed	remove	VBN
39142	612	23	,	,	,
39142	612	24	and	and	CC
39142	612	25	in	in	IN
39142	612	26	its	-PRON-	PRP$
39142	612	27	place	place	NN
39142	612	28	suspended	suspend	VBD
39142	612	29	a	a	DT
39142	612	30	box	box	NN
39142	612	31	as	as	RB
39142	612	32	big	big	JJ
39142	612	33	as	as	IN
39142	612	34	a	a	DT
39142	612	35	moon	moon	NN
39142	612	36	or	or	CC
39142	612	37	a	a	DT
39142	612	38	whole	whole	JJ
39142	612	39	house	house	NN
39142	612	40	and	and	CC
39142	612	41	inside	inside	IN
39142	612	42	a	a	DT
39142	612	43	man	man	NN
39142	612	44	naturally	naturally	RB
39142	612	45	floating	float	VBG
39142	612	46	in	in	IN
39142	612	47	the	the	DT
39142	612	48	center	center	NN
39142	612	49	,	,	,
39142	612	50	there	there	EX
39142	612	51	being	be	VBG
39142	612	52	no	no	DT
39142	612	53	force	force	NN
39142	612	54	whatever	whatever	WDT
39142	612	55	pulling	pull	VBG
39142	612	56	him	-PRON-	PRP
39142	612	57	.	.	.
39142	613	1	Imagine	imagine	VB
39142	613	2	,	,	,
39142	613	3	further	further	RB
39142	613	4	,	,	,
39142	613	5	this	this	DT
39142	613	6	box	box	NN
39142	613	7	being	being	NN
39142	613	8	,	,	,
39142	613	9	by	by	IN
39142	613	10	a	a	DT
39142	613	11	rope	rope	NN
39142	613	12	or	or	CC
39142	613	13	other	other	JJ
39142	613	14	contrivance	contrivance	NN
39142	613	15	,	,	,
39142	613	16	suddenly	suddenly	RB
39142	613	17	jerked	jerk	VBN
39142	613	18	to	to	IN
39142	613	19	one	one	CD
39142	613	20	side	side	NN
39142	613	21	,	,	,
39142	613	22	which	which	WDT
39142	613	23	is	be	VBZ
39142	613	24	scientifically	scientifically	RB
39142	613	25	termed	term	VBN
39142	613	26	'	'	''
39142	613	27	difform	difform	NN
39142	613	28	motion	motion	NN
39142	613	29	,	,	,
39142	613	30	'	'	''
39142	613	31	as	as	IN
39142	613	32	opposed	oppose	VBN
39142	613	33	to	to	IN
39142	613	34	'	'	``
39142	613	35	uniform	uniform	JJ
39142	613	36	motion	motion	NN
39142	613	37	.	.	.
39142	613	38	'	'	''
39142	614	1	The	the	DT
39142	614	2	person	person	NN
39142	614	3	would	would	MD
39142	614	4	then	then	RB
39142	614	5	naturally	naturally	RB
39142	614	6	reach	reach	VB
39142	614	7	bottom	bottom	NN
39142	614	8	on	on	IN
39142	614	9	the	the	DT
39142	614	10	opposite	opposite	JJ
39142	614	11	side	side	NN
39142	614	12	.	.	.
39142	615	1	The	the	DT
39142	615	2	result	result	NN
39142	615	3	would	would	MD
39142	615	4	consequently	consequently	RB
39142	615	5	be	be	VB
39142	615	6	the	the	DT
39142	615	7	same	same	JJ
39142	615	8	as	as	IN
39142	615	9	if	if	IN
39142	615	10	he	-PRON-	PRP
39142	615	11	obeyed	obey	VBD
39142	615	12	Newton	Newton	NNP
39142	615	13	's	's	POS
39142	615	14	law	law	NN
39142	615	15	of	of	IN
39142	615	16	gravitation	gravitation	NN
39142	615	17	,	,	,
39142	615	18	while	while	IN
39142	615	19	,	,	,
39142	615	20	in	in	IN
39142	615	21	fact	fact	NN
39142	615	22	,	,	,
39142	615	23	there	there	EX
39142	615	24	is	be	VBZ
39142	615	25	no	no	DT
39142	615	26	gravitation	gravitation	NN
39142	615	27	exerted	exert	VBN
39142	615	28	whatever	whatever	WDT
39142	615	29	,	,	,
39142	615	30	which	which	WDT
39142	615	31	proves	prove	VBZ
39142	615	32	that	that	IN
39142	615	33	difform	difform	NN
39142	615	34	motion	motion	NN
39142	615	35	will	will	MD
39142	615	36	in	in	IN
39142	615	37	every	every	DT
39142	615	38	case	case	NN
39142	615	39	produce	produce	VB
39142	615	40	the	the	DT
39142	615	41	same	same	JJ
39142	615	42	effects	effect	NNS
39142	615	43	as	as	IN
39142	615	44	gravitation	gravitation	NN
39142	615	45	....	....	.
39142	616	1	The	the	DT
39142	616	2	term	term	NN
39142	616	3	relativity	relativity	NN
39142	616	4	refers	refer	VBZ
39142	616	5	to	to	IN
39142	616	6	time	time	NN
39142	616	7	and	and	CC
39142	616	8	space	space	NN
39142	616	9	.	.	.
39142	617	1	According	accord	VBG
39142	617	2	to	to	IN
39142	617	3	Galileo	Galileo	NNP
39142	617	4	and	and	CC
39142	617	5	Newton	Newton	NNP
39142	617	6	,	,	,
39142	617	7	time	time	NN
39142	617	8	and	and	CC
39142	617	9	space	space	NN
39142	617	10	were	be	VBD
39142	617	11	absolute	absolute	JJ
39142	617	12	entities	entity	NNS
39142	617	13	,	,	,
39142	617	14	and	and	CC
39142	617	15	the	the	DT
39142	617	16	moving	move	VBG
39142	617	17	systems	system	NNS
39142	617	18	of	of	IN
39142	617	19	the	the	DT
39142	617	20	universe	universe	NN
39142	617	21	were	be	VBD
39142	617	22	dependent	dependent	JJ
39142	617	23	on	on	IN
39142	617	24	this	this	DT
39142	617	25	absolute	absolute	JJ
39142	617	26	time	time	NN
39142	617	27	and	and	CC
39142	617	28	space	space	NN
39142	617	29	.	.	.
39142	618	1	On	on	IN
39142	618	2	this	this	DT
39142	618	3	conception	conception	NN
39142	618	4	was	be	VBD
39142	618	5	built	build	VBN
39142	618	6	the	the	DT
39142	618	7	science	science	NN
39142	618	8	of	of	IN
39142	618	9	mechanics	mechanic	NNS
39142	618	10	.	.	.
39142	619	1	The	the	DT
39142	619	2	resulting	result	VBG
39142	619	3	formulas	formula	NNS
39142	619	4	sufficed	suffice	VBN
39142	619	5	for	for	IN
39142	619	6	all	all	DT
39142	619	7	motions	motion	NNS
39142	619	8	of	of	IN
39142	619	9	a	a	DT
39142	619	10	slow	slow	JJ
39142	619	11	nature	nature	NN
39142	619	12	;	;	:
39142	619	13	it	-PRON-	PRP
39142	619	14	was	be	VBD
39142	619	15	found	find	VBN
39142	619	16	,	,	,
39142	619	17	however	however	RB
39142	619	18	,	,	,
39142	619	19	that	that	IN
39142	619	20	they	-PRON-	PRP
39142	619	21	would	would	MD
39142	619	22	not	not	RB
39142	619	23	conform	conform	VB
39142	619	24	to	to	IN
39142	619	25	the	the	DT
39142	619	26	rapid	rapid	JJ
39142	619	27	motions	motion	NNS
39142	619	28	apparent	apparent	JJ
39142	619	29	in	in	IN
39142	619	30	electrodynamics	electrodynamic	NNS
39142	619	31	....	....	.
39142	620	1	Briefly	briefly	RB
39142	620	2	the	the	DT
39142	620	3	theory	theory	NN
39142	620	4	of	of	IN
39142	620	5	special	special	JJ
39142	620	6	relativity	relativity	NN
39142	620	7	discards	discard	NNS
39142	620	8	absolute	absolute	JJ
39142	620	9	time	time	NN
39142	620	10	and	and	CC
39142	620	11	space	space	NN
39142	620	12	,	,	,
39142	620	13	and	and	CC
39142	620	14	makes	make	VBZ
39142	620	15	them	-PRON-	PRP
39142	620	16	in	in	IN
39142	620	17	every	every	DT
39142	620	18	instance	instance	NN
39142	620	19	relative	relative	JJ
39142	620	20	to	to	IN
39142	620	21	moving	move	VBG
39142	620	22	systems	system	NNS
39142	620	23	.	.	.
39142	621	1	By	by	IN
39142	621	2	this	this	DT
39142	621	3	theory	theory	NN
39142	621	4	all	all	DT
39142	621	5	phenomena	phenomenon	NNS
39142	621	6	in	in	IN
39142	621	7	electrodynamics	electrodynamic	NNS
39142	621	8	,	,	,
39142	621	9	as	as	RB
39142	621	10	well	well	RB
39142	621	11	as	as	IN
39142	621	12	mechanics	mechanic	NNS
39142	621	13	,	,	,
39142	621	14	hitherto	hitherto	NNP
39142	621	15	irreducible	irreducible	JJ
39142	621	16	by	by	IN
39142	621	17	the	the	DT
39142	621	18	old	old	JJ
39142	621	19	formulæ	formulæ	NN
39142	621	20	,	,	,
39142	621	21	were	be	VBD
39142	621	22	satisfactorily	satisfactorily	RB
39142	621	23	explained	explain	VBN
39142	621	24	.	.	.
39142	621	25	"	"	''
39142	622	1	Natural	natural	JJ
39142	622	2	phenomena	phenomenon	NNS
39142	622	3	,	,	,
39142	622	4	then	then	RB
39142	622	5	,	,	,
39142	622	6	involving	involve	VBG
39142	622	7	gravitation	gravitation	NN
39142	622	8	and	and	CC
39142	622	9	inertia	inertia	NN
39142	622	10	,	,	,
39142	622	11	as	as	IN
39142	622	12	in	in	IN
39142	622	13	the	the	DT
39142	622	14	planetary	planetary	NN
39142	622	15	motions	motion	NNS
39142	622	16	,	,	,
39142	622	17	and	and	CC
39142	622	18	electro	electro	NNP
39142	622	19	-	-	HYPH
39142	622	20	magnetic	magnetic	JJ
39142	622	21	phenomena	phenomenon	NNS
39142	622	22	,	,	,
39142	622	23	including	include	VBG
39142	622	24	the	the	DT
39142	622	25	motion	motion	NN
39142	622	26	of	of	IN
39142	622	27	light	light	NN
39142	622	28	,	,	,
39142	622	29	are	be	VBP
39142	622	30	to	to	TO
39142	622	31	be	be	VB
39142	622	32	regarded	regard	VBN
39142	622	33	as	as	IN
39142	622	34	interrelated	interrelate	VBN
39142	622	35	,	,	,
39142	622	36	and	and	CC
39142	622	37	not	not	RB
39142	622	38	independent	independent	JJ
39142	622	39	of	of	IN
39142	622	40	one	one	CD
39142	622	41	another	another	DT
39142	622	42	.	.	.
39142	623	1	And	and	CC
39142	623	2	the	the	DT
39142	623	3	Einstein	Einstein	NNP
39142	623	4	theory	theory	NN
39142	623	5	would	would	MD
39142	623	6	appear	appear	VB
39142	623	7	to	to	TO
39142	623	8	have	have	VB
39142	623	9	received	receive	VBN
39142	623	10	a	a	DT
39142	623	11	striking	striking	JJ
39142	623	12	verification	verification	NN
39142	623	13	in	in	IN
39142	623	14	both	both	PDT
39142	623	15	these	these	DT
39142	623	16	fields	field	NNS
39142	623	17	.	.	.
39142	624	1	On	on	IN
39142	624	2	this	this	DT
39142	624	3	theory	theory	NN
39142	624	4	the	the	DT
39142	624	5	Newtonian	newtonian	JJ
39142	624	6	dynamics	dynamic	NNS
39142	624	7	fails	fail	VBZ
39142	624	8	when	when	WRB
39142	624	9	the	the	DT
39142	624	10	velocities	velocity	NNS
39142	624	11	concerned	concern	VBN
39142	624	12	are	be	VBP
39142	624	13	a	a	DT
39142	624	14	near	near	JJ
39142	624	15	approach	approach	NN
39142	624	16	to	to	IN
39142	624	17	that	that	DT
39142	624	18	of	of	IN
39142	624	19	light	light	NN
39142	624	20	.	.	.
39142	625	1	The	the	DT
39142	625	2	Newtonian	newtonian	JJ
39142	625	3	theory	theory	NN
39142	625	4	,	,	,
39142	625	5	then	then	RB
39142	625	6	,	,	,
39142	625	7	is	be	VBZ
39142	625	8	not	not	RB
39142	625	9	to	to	TO
39142	625	10	be	be	VB
39142	625	11	considered	consider	VBN
39142	625	12	as	as	IN
39142	625	13	wrong	wrong	JJ
39142	625	14	,	,	,
39142	625	15	but	but	CC
39142	625	16	in	in	IN
39142	625	17	the	the	DT
39142	625	18	light	light	NN
39142	625	19	of	of	IN
39142	625	20	a	a	DT
39142	625	21	first	first	JJ
39142	625	22	approximation	approximation	NN
39142	625	23	.	.	.
39142	626	1	Applying	apply	VBG
39142	626	2	the	the	DT
39142	626	3	new	new	JJ
39142	626	4	theory	theory	NN
39142	626	5	to	to	IN
39142	626	6	the	the	DT
39142	626	7	case	case	NN
39142	626	8	of	of	IN
39142	626	9	the	the	DT
39142	626	10	motion	motion	NN
39142	626	11	of	of	IN
39142	626	12	Mercury	Mercury	NNP
39142	626	13	's	's	POS
39142	626	14	perihelion	perihelion	NN
39142	626	15	,	,	,
39142	626	16	it	-PRON-	PRP
39142	626	17	is	be	VBZ
39142	626	18	found	find	VBN
39142	626	19	to	to	TO
39142	626	20	account	account	VB
39142	626	21	for	for	IN
39142	626	22	the	the	DT
39142	626	23	excess	excess	JJ
39142	626	24	quite	quite	RB
39142	626	25	exactly	exactly	RB
39142	626	26	.	.	.
39142	627	1	On	on	IN
39142	627	2	the	the	DT
39142	627	3	electro	electro	JJ
39142	627	4	-	-	HYPH
39142	627	5	magnetic	magnetic	JJ
39142	627	6	side	side	NN
39142	627	7	,	,	,
39142	627	8	including	include	VBG
39142	627	9	also	also	RB
39142	627	10	the	the	DT
39142	627	11	motion	motion	NN
39142	627	12	of	of	IN
39142	627	13	light	light	NN
39142	627	14	,	,	,
39142	627	15	a	a	DT
39142	627	16	total	total	JJ
39142	627	17	eclipse	eclipse	NN
39142	627	18	of	of	IN
39142	627	19	the	the	DT
39142	627	20	sun	sun	NN
39142	627	21	affords	afford	VBZ
39142	627	22	an	an	DT
39142	627	23	especially	especially	RB
39142	627	24	favorable	favorable	JJ
39142	627	25	occasion	occasion	NN
39142	627	26	for	for	IN
39142	627	27	applying	apply	VBG
39142	627	28	the	the	DT
39142	627	29	critical	critical	JJ
39142	627	30	test	test	NN
39142	627	31	,	,	,
39142	627	32	whether	whether	IN
39142	627	33	a	a	DT
39142	627	34	huge	huge	JJ
39142	627	35	mass	mass	NN
39142	627	36	like	like	IN
39142	627	37	the	the	DT
39142	627	38	sun	sun	NN
39142	627	39	would	would	MD
39142	627	40	or	or	CC
39142	627	41	would	would	MD
39142	627	42	not	not	RB
39142	627	43	deflect	deflect	VB
39142	627	44	toward	toward	IN
39142	627	45	itself	-PRON-	PRP
39142	627	46	the	the	DT
39142	627	47	rays	ray	NNS
39142	627	48	of	of	IN
39142	627	49	light	light	NN
39142	627	50	from	from	IN
39142	627	51	stars	star	NNS
39142	627	52	passing	pass	VBG
39142	627	53	close	close	RB
39142	627	54	to	to	IN
39142	627	55	the	the	DT
39142	627	56	edge	edge	NN
39142	627	57	of	of	IN
39142	627	58	its	-PRON-	PRP$
39142	627	59	disk	disk	NN
39142	627	60	,	,	,
39142	627	61	or	or	CC
39142	627	62	limb	limb	NN
39142	627	63	.	.	.
39142	628	1	A	a	DT
39142	628	2	total	total	JJ
39142	628	3	eclipse	eclipse	NN
39142	628	4	of	of	IN
39142	628	5	exceptional	exceptional	JJ
39142	628	6	duration	duration	NN
39142	628	7	occurred	occur	VBD
39142	628	8	on	on	IN
39142	628	9	May	May	NNP
39142	628	10	29	29	CD
39142	628	11	,	,	,
39142	628	12	1919	1919	CD
39142	628	13	,	,	,
39142	628	14	and	and	CC
39142	628	15	the	the	DT
39142	628	16	two	two	CD
39142	628	17	eclipse	eclipse	NN
39142	628	18	parties	party	NNS
39142	628	19	sent	send	VBN
39142	628	20	out	out	RP
39142	628	21	by	by	IN
39142	628	22	the	the	DT
39142	628	23	Royal	Royal	NNP
39142	628	24	Society	Society	NNP
39142	628	25	of	of	IN
39142	628	26	London	London	NNP
39142	628	27	and	and	CC
39142	628	28	the	the	DT
39142	628	29	Royal	Royal	NNP
39142	628	30	Astronomical	Astronomical	NNP
39142	628	31	Society	Society	NNP
39142	628	32	were	be	VBD
39142	628	33	equipped	equip	VBN
39142	628	34	especially	especially	RB
39142	628	35	with	with	IN
39142	628	36	apparatus	apparatus	NN
39142	628	37	for	for	IN
39142	628	38	making	make	VBG
39142	628	39	this	this	DT
39142	628	40	test	test	NN
39142	628	41	.	.	.
39142	629	1	Their	-PRON-	PRP$
39142	629	2	stations	station	NNS
39142	629	3	were	be	VBD
39142	629	4	one	one	CD
39142	629	5	on	on	IN
39142	629	6	the	the	DT
39142	629	7	east	east	JJ
39142	629	8	coast	coast	NN
39142	629	9	of	of	IN
39142	629	10	Brazil	Brazil	NNP
39142	629	11	and	and	CC
39142	629	12	the	the	DT
39142	629	13	other	other	JJ
39142	629	14	on	on	IN
39142	629	15	the	the	DT
39142	629	16	west	west	JJ
39142	629	17	coast	coast	NN
39142	629	18	of	of	IN
39142	629	19	Africa	Africa	NNP
39142	629	20	.	.	.
39142	630	1	Accurate	accurate	JJ
39142	630	2	calculation	calculation	NN
39142	630	3	beforehand	beforehand	RB
39142	630	4	showed	show	VBD
39142	630	5	just	just	RB
39142	630	6	where	where	WRB
39142	630	7	the	the	DT
39142	630	8	sun	sun	NN
39142	630	9	would	would	MD
39142	630	10	be	be	VB
39142	630	11	among	among	IN
39142	630	12	the	the	DT
39142	630	13	stars	star	NNS
39142	630	14	at	at	IN
39142	630	15	the	the	DT
39142	630	16	time	time	NN
39142	630	17	of	of	IN
39142	630	18	the	the	DT
39142	630	19	eclipse	eclipse	NN
39142	630	20	;	;	:
39142	630	21	so	so	CC
39142	630	22	that	that	IN
39142	630	23	star	star	NN
39142	630	24	plates	plate	NNS
39142	630	25	of	of	IN
39142	630	26	this	this	DT
39142	630	27	region	region	NN
39142	630	28	were	be	VBD
39142	630	29	taken	take	VBN
39142	630	30	in	in	IN
39142	630	31	England	England	NNP
39142	630	32	before	before	IN
39142	630	33	the	the	DT
39142	630	34	expeditions	expedition	NNS
39142	630	35	went	go	VBD
39142	630	36	out	out	RP
39142	630	37	.	.	.
39142	631	1	Then	then	RB
39142	631	2	,	,	,
39142	631	3	during	during	IN
39142	631	4	the	the	DT
39142	631	5	total	total	JJ
39142	631	6	eclipse	eclipse	NN
39142	631	7	,	,	,
39142	631	8	the	the	DT
39142	631	9	same	same	JJ
39142	631	10	regions	region	NNS
39142	631	11	were	be	VBD
39142	631	12	photographed	photograph	VBN
39142	631	13	with	with	IN
39142	631	14	the	the	DT
39142	631	15	eclipsed	eclipse	VBN
39142	631	16	sun	sun	NN
39142	631	17	and	and	CC
39142	631	18	the	the	DT
39142	631	19	corona	corona	NN
39142	631	20	projected	project	VBD
39142	631	21	against	against	IN
39142	631	22	them	-PRON-	PRP
39142	631	23	.	.	.
39142	632	1	To	to	TO
39142	632	2	make	make	VB
39142	632	3	doubly	doubly	RB
39142	632	4	sure	sure	JJ
39142	632	5	,	,	,
39142	632	6	the	the	DT
39142	632	7	stars	star	NNS
39142	632	8	were	be	VBD
39142	632	9	a	a	DT
39142	632	10	third	third	JJ
39142	632	11	time	time	NN
39142	632	12	photographed	photograph	VBD
39142	632	13	some	some	DT
39142	632	14	weeks	week	NNS
39142	632	15	after	after	IN
39142	632	16	the	the	DT
39142	632	17	eclipse	eclipse	NN
39142	632	18	,	,	,
39142	632	19	when	when	WRB
39142	632	20	the	the	DT
39142	632	21	sun	sun	NN
39142	632	22	had	have	VBD
39142	632	23	moved	move	VBN
39142	632	24	away	away	RB
39142	632	25	from	from	IN
39142	632	26	that	that	DT
39142	632	27	particular	particular	JJ
39142	632	28	region	region	NN
39142	632	29	.	.	.
39142	633	1	Measuring	measure	VBG
39142	633	2	up	up	RP
39142	633	3	the	the	DT
39142	633	4	three	three	CD
39142	633	5	sets	set	NNS
39142	633	6	of	of	IN
39142	633	7	plates	plate	NNS
39142	633	8	,	,	,
39142	633	9	it	-PRON-	PRP
39142	633	10	was	be	VBD
39142	633	11	found	find	VBN
39142	633	12	that	that	IN
39142	633	13	an	an	DT
39142	633	14	appreciable	appreciable	JJ
39142	633	15	deflection	deflection	NN
39142	633	16	of	of	IN
39142	633	17	the	the	DT
39142	633	18	light	light	NN
39142	633	19	of	of	IN
39142	633	20	the	the	DT
39142	633	21	stars	star	NNS
39142	633	22	nearest	nearest	RB
39142	633	23	alongside	alongside	IN
39142	633	24	the	the	DT
39142	633	25	sun	sun	NN
39142	633	26	actually	actually	RB
39142	633	27	exists	exist	VBZ
39142	633	28	;	;	:
39142	633	29	and	and	CC
39142	633	30	the	the	DT
39142	633	31	amount	amount	NN
39142	633	32	of	of	IN
39142	633	33	it	-PRON-	PRP
39142	633	34	is	be	VBZ
39142	633	35	such	such	JJ
39142	633	36	as	as	IN
39142	633	37	to	to	TO
39142	633	38	afford	afford	VB
39142	633	39	a	a	DT
39142	633	40	fair	fair	NN
39142	633	41	though	though	IN
39142	633	42	not	not	RB
39142	633	43	absolutely	absolutely	RB
39142	633	44	exact	exact	JJ
39142	633	45	verification	verification	NN
39142	633	46	of	of	IN
39142	633	47	the	the	DT
39142	633	48	theory	theory	NN
39142	633	49	.	.	.
39142	634	1	The	the	DT
39142	634	2	observed	observed	JJ
39142	634	3	deflection	deflection	NN
39142	634	4	may	may	MD
39142	634	5	of	of	IN
39142	634	6	course	course	NN
39142	634	7	be	be	VB
39142	634	8	due	due	JJ
39142	634	9	to	to	IN
39142	634	10	other	other	JJ
39142	634	11	causes	cause	NNS
39142	634	12	,	,	,
39142	634	13	but	but	CC
39142	634	14	the	the	DT
39142	634	15	English	english	JJ
39142	634	16	astronomers	astronomer	NNS
39142	634	17	generally	generally	RB
39142	634	18	regard	regard	VBP
39142	634	19	the	the	DT
39142	634	20	near	near	JJ
39142	634	21	verification	verification	NN
39142	634	22	as	as	IN
39142	634	23	a	a	DT
39142	634	24	triumph	triumph	NN
39142	634	25	for	for	IN
39142	634	26	the	the	DT
39142	634	27	Einstein	Einstein	NNP
39142	634	28	theory	theory	NN
39142	634	29	.	.	.
39142	635	1	Astronomers	astronomer	NNS
39142	635	2	are	be	VBP
39142	635	3	already	already	RB
39142	635	4	beginning	begin	VBG
39142	635	5	preparations	preparation	NNS
39142	635	6	for	for	IN
39142	635	7	a	a	DT
39142	635	8	repetition	repetition	NN
39142	635	9	of	of	IN
39142	635	10	the	the	DT
39142	635	11	eclipse	eclipse	NN
39142	635	12	programme	programme	NN
39142	635	13	with	with	IN
39142	635	14	all	all	DT
39142	635	15	possible	possible	JJ
39142	635	16	refinement	refinement	NN
39142	635	17	of	of	IN
39142	635	18	observation	observation	NN
39142	635	19	,	,	,
39142	635	20	when	when	WRB
39142	635	21	the	the	DT
39142	635	22	next	next	JJ
39142	635	23	total	total	JJ
39142	635	24	eclipse	eclipse	NN
39142	635	25	of	of	IN
39142	635	26	the	the	DT
39142	635	27	sun	sun	NN
39142	635	28	occurs	occur	VBZ
39142	635	29	,	,	,
39142	635	30	September	September	NNP
39142	635	31	20	20	CD
39142	635	32	,	,	,
39142	635	33	1922	1922	CD
39142	635	34	,	,	,
39142	635	35	visible	visible	JJ
39142	635	36	in	in	IN
39142	635	37	Australia	Australia	NNP
39142	635	38	and	and	CC
39142	635	39	the	the	DT
39142	635	40	islands	island	NNS
39142	635	41	of	of	IN
39142	635	42	the	the	DT
39142	635	43	Indian	Indian	NNP
39142	635	44	Ocean	Ocean	NNP
39142	635	45	.	.	.
39142	636	1	A	a	DT
39142	636	2	third	third	JJ
39142	636	3	test	test	NN
39142	636	4	of	of	IN
39142	636	5	the	the	DT
39142	636	6	theory	theory	NN
39142	636	7	is	be	VBZ
39142	636	8	perhaps	perhaps	RB
39142	636	9	more	more	RBR
39142	636	10	critical	critical	JJ
39142	636	11	than	than	IN
39142	636	12	either	either	DT
39142	636	13	of	of	IN
39142	636	14	the	the	DT
39142	636	15	others	other	NNS
39142	636	16	,	,	,
39142	636	17	and	and	CC
39142	636	18	this	this	DT
39142	636	19	necessitates	necessitate	VBZ
39142	636	20	a	a	DT
39142	636	21	displacement	displacement	NN
39142	636	22	of	of	IN
39142	636	23	spectral	spectral	JJ
39142	636	24	lines	line	NNS
39142	636	25	in	in	IN
39142	636	26	a	a	DT
39142	636	27	gravitational	gravitational	JJ
39142	636	28	field	field	NN
39142	636	29	toward	toward	IN
39142	636	30	the	the	DT
39142	636	31	red	red	JJ
39142	636	32	end	end	NN
39142	636	33	of	of	IN
39142	636	34	the	the	DT
39142	636	35	spectrum	spectrum	NN
39142	636	36	;	;	:
39142	636	37	but	but	CC
39142	636	38	the	the	DT
39142	636	39	experts	expert	NNS
39142	636	40	who	who	WP
39142	636	41	have	have	VBP
39142	636	42	so	so	RB
39142	636	43	far	far	RB
39142	636	44	made	make	VBN
39142	636	45	measures	measure	NNS
39142	636	46	for	for	IN
39142	636	47	detecting	detect	VBG
39142	636	48	such	such	JJ
39142	636	49	displacement	displacement	NN
39142	636	50	disagree	disagree	NN
39142	636	51	as	as	IN
39142	636	52	to	to	IN
39142	636	53	its	-PRON-	PRP$
39142	636	54	actual	actual	JJ
39142	636	55	existence	existence	NN
39142	636	56	.	.	.
39142	637	1	The	the	DT
39142	637	2	work	work	NN
39142	637	3	of	of	IN
39142	637	4	St.	St.	NNP
39142	637	5	John	John	NNP
39142	637	6	at	at	IN
39142	637	7	Mt.	Mount	NNP
39142	638	1	Wilson	Wilson	NNP
39142	638	2	is	be	VBZ
39142	638	3	unfavorable	unfavorable	JJ
39142	638	4	to	to	IN
39142	638	5	the	the	DT
39142	638	6	theory	theory	NN
39142	638	7	,	,	,
39142	638	8	as	as	IN
39142	638	9	is	be	VBZ
39142	638	10	that	that	DT
39142	638	11	of	of	IN
39142	638	12	Evershed	Evershed	NNP
39142	638	13	of	of	IN
39142	638	14	Kodiakanal	Kodiakanal	NNP
39142	638	15	,	,	,
39142	638	16	who	who	WP
39142	638	17	has	have	VBZ
39142	638	18	made	make	VBN
39142	638	19	repeated	repeat	VBN
39142	638	20	tests	test	NNS
39142	638	21	on	on	IN
39142	638	22	the	the	DT
39142	638	23	spectrum	spectrum	NN
39142	638	24	of	of	IN
39142	638	25	Venus	Venus	NNP
39142	638	26	,	,	,
39142	638	27	as	as	RB
39142	638	28	well	well	RB
39142	638	29	as	as	IN
39142	638	30	in	in	IN
39142	638	31	the	the	DT
39142	638	32	cyanogen	cyanogen	NN
39142	638	33	bands	band	NNS
39142	638	34	of	of	IN
39142	638	35	the	the	DT
39142	638	36	sun	sun	NN
39142	638	37	.	.	.
39142	639	1	The	the	DT
39142	639	2	enthusiastic	enthusiastic	JJ
39142	639	3	advocates	advocate	NNS
39142	639	4	of	of	IN
39142	639	5	the	the	DT
39142	639	6	Einstein	Einstein	NNP
39142	639	7	theory	theory	NN
39142	639	8	hold	hold	VB
39142	639	9	that	that	IN
39142	639	10	,	,	,
39142	639	11	as	as	IN
39142	639	12	Newton	Newton	NNP
39142	639	13	proved	prove	VBD
39142	639	14	the	the	DT
39142	639	15	three	three	CD
39142	639	16	laws	law	NNS
39142	639	17	of	of	IN
39142	639	18	Kepler	Kepler	NNP
39142	639	19	to	to	TO
39142	639	20	be	be	VB
39142	639	21	special	special	JJ
39142	639	22	cases	case	NNS
39142	639	23	of	of	IN
39142	639	24	his	-PRON-	PRP$
39142	639	25	general	general	JJ
39142	639	26	law	law	NN
39142	639	27	,	,	,
39142	639	28	so	so	CC
39142	639	29	the	the	DT
39142	639	30	"	"	``
39142	639	31	universal	universal	JJ
39142	639	32	relativity	relativity	NN
39142	639	33	theory	theory	NN
39142	639	34	"	"	''
39142	639	35	will	will	MD
39142	639	36	enable	enable	VB
39142	639	37	eventually	eventually	RB
39142	639	38	the	the	DT
39142	639	39	Newtonian	newtonian	JJ
39142	639	40	law	law	NN
39142	639	41	to	to	TO
39142	639	42	be	be	VB
39142	639	43	deduced	deduce	VBN
39142	639	44	from	from	IN
39142	639	45	the	the	DT
39142	639	46	Einstein	Einstein	NNP
39142	639	47	theory	theory	NN
39142	639	48	.	.	.
39142	640	1	"	"	``
39142	640	2	This	this	DT
39142	640	3	is	be	VBZ
39142	640	4	the	the	DT
39142	640	5	way	way	NN
39142	640	6	we	-PRON-	PRP
39142	640	7	go	go	VBP
39142	640	8	on	on	RP
39142	640	9	in	in	IN
39142	640	10	science	science	NN
39142	640	11	,	,	,
39142	640	12	as	as	IN
39142	640	13	in	in	IN
39142	640	14	everything	everything	NN
39142	640	15	else	else	RB
39142	640	16	,	,	,
39142	640	17	"	"	''
39142	640	18	wrote	write	VBD
39142	640	19	Sir	Sir	NNP
39142	640	20	George	George	NNP
39142	640	21	Airy	Airy	NNP
39142	640	22	,	,	,
39142	640	23	Astronomer	Astronomer	NNP
39142	640	24	Royal	Royal	NNP
39142	640	25	;	;	:
39142	640	26	"	"	``
39142	640	27	we	-PRON-	PRP
39142	640	28	have	have	VBP
39142	640	29	to	to	TO
39142	640	30	make	make	VB
39142	640	31	out	out	RP
39142	640	32	that	that	IN
39142	640	33	something	something	NN
39142	640	34	is	be	VBZ
39142	640	35	true	true	JJ
39142	640	36	;	;	:
39142	640	37	then	then	RB
39142	640	38	we	-PRON-	PRP
39142	640	39	find	find	VBP
39142	640	40	out	out	RP
39142	640	41	under	under	IN
39142	640	42	certain	certain	JJ
39142	640	43	circumstances	circumstance	NNS
39142	640	44	that	that	IN
39142	640	45	it	-PRON-	PRP
39142	640	46	is	be	VBZ
39142	640	47	not	not	RB
39142	640	48	quite	quite	RB
39142	640	49	true	true	JJ
39142	640	50	;	;	:
39142	640	51	and	and	CC
39142	640	52	then	then	RB
39142	640	53	we	-PRON-	PRP
39142	640	54	have	have	VBP
39142	640	55	to	to	TO
39142	640	56	consider	consider	VB
39142	640	57	and	and	CC
39142	640	58	find	find	VB
39142	640	59	out	out	RP
39142	640	60	how	how	WRB
39142	640	61	the	the	DT
39142	640	62	departure	departure	NN
39142	640	63	can	can	MD
39142	640	64	be	be	VB
39142	640	65	explained	explain	VBN
39142	640	66	.	.	.
39142	640	67	"	"	''
39142	641	1	Meanwhile	meanwhile	RB
39142	641	2	,	,	,
39142	641	3	the	the	DT
39142	641	4	prudent	prudent	JJ
39142	641	5	person	person	NN
39142	641	6	keeps	keep	VBZ
39142	641	7	the	the	DT
39142	641	8	open	open	JJ
39142	641	9	mind	mind	NN
39142	641	10	.	.	.
39142	642	1	CHAPTER	chapter	NN
39142	642	2	XVI	XVI	NNP
39142	642	3	HALLEY	HALLEY	NNP
39142	642	4	AND	and	CC
39142	642	5	HIS	his	PRP$
39142	642	6	COMET	COMET	NNP
39142	642	7	Halley	Halley	NNP
39142	642	8	is	be	VBZ
39142	642	9	one	one	CD
39142	642	10	of	of	IN
39142	642	11	the	the	DT
39142	642	12	most	most	JJS
39142	642	13	picturesque	picturesque	JJ
39142	642	14	characters	character	NNS
39142	642	15	in	in	IN
39142	642	16	all	all	DT
39142	642	17	astronomical	astronomical	JJ
39142	642	18	history	history	NN
39142	642	19	.	.	.
39142	643	1	Next	next	RB
39142	643	2	to	to	IN
39142	643	3	Newton	Newton	NNP
39142	643	4	himself	-PRON-	PRP
39142	643	5	he	-PRON-	PRP
39142	643	6	was	be	VBD
39142	643	7	most	most	RBS
39142	643	8	intimately	intimately	RB
39142	643	9	concerned	concern	VBN
39142	643	10	in	in	IN
39142	643	11	giving	give	VBG
39142	643	12	the	the	DT
39142	643	13	Newtonian	newtonian	JJ
39142	643	14	law	law	NN
39142	643	15	to	to	IN
39142	643	16	the	the	DT
39142	643	17	world	world	NN
39142	643	18	.	.	.
39142	644	1	Edmund	Edmund	NNP
39142	644	2	Halley	Halley	NNP
39142	644	3	was	be	VBD
39142	644	4	born	bear	VBN
39142	644	5	(	(	-LRB-
39142	644	6	1656	1656	CD
39142	644	7	)	)	-RRB-
39142	644	8	in	in	IN
39142	644	9	stirring	stir	VBG
39142	644	10	times	time	NNS
39142	644	11	.	.	.
39142	645	1	Charles	Charles	NNP
39142	645	2	I.	I.	NNP
39142	645	3	had	have	VBD
39142	645	4	just	just	RB
39142	645	5	been	be	VBN
39142	645	6	executed	execute	VBN
39142	645	7	,	,	,
39142	645	8	and	and	CC
39142	645	9	it	-PRON-	PRP
39142	645	10	was	be	VBD
39142	645	11	the	the	DT
39142	645	12	era	era	NN
39142	645	13	of	of	IN
39142	645	14	Cromwell	Cromwell	NNP
39142	645	15	's	's	POS
39142	645	16	Lord	Lord	NNP
39142	645	17	Protectorate	Protectorate	NNP
39142	645	18	and	and	CC
39142	645	19	the	the	DT
39142	645	20	wars	war	NNS
39142	645	21	with	with	IN
39142	645	22	Spain	Spain	NNP
39142	645	23	and	and	CC
39142	645	24	Holland	Holland	NNP
39142	645	25	.	.	.
39142	646	1	Then	then	RB
39142	646	2	followed	follow	VBN
39142	646	3	(	(	-LRB-
39142	646	4	1660	1660	CD
39142	646	5	)	)	-RRB-
39142	646	6	the	the	DT
39142	646	7	promising	promising	NN
39142	646	8	but	but	CC
39142	646	9	profligate	profligate	VBP
39142	646	10	Charles	Charles	NNP
39142	646	11	II	II	NNP
39142	646	12	.	.	.
39142	647	1	(	(	-LRB-
39142	647	2	who	who	WP
39142	647	3	nevertheless	nevertheless	RB
39142	647	4	founded	found	VBD
39142	647	5	at	at	IN
39142	647	6	Greenwich	Greenwich	NNP
39142	647	7	the	the	DT
39142	647	8	greatest	great	JJS
39142	647	9	of	of	IN
39142	647	10	all	all	DT
39142	647	11	observatories	observatory	NNS
39142	647	12	when	when	WRB
39142	647	13	Halley	Halley	NNP
39142	647	14	was	be	VBD
39142	647	15	nineteen	nineteen	CD
39142	647	16	)	)	-RRB-
39142	647	17	,	,	,
39142	647	18	the	the	DT
39142	647	19	frightful	frightful	JJ
39142	647	20	ravages	ravage	NNS
39142	647	21	of	of	IN
39142	647	22	the	the	DT
39142	647	23	Black	Black	NNP
39142	647	24	Plague	Plague	NNP
39142	647	25	,	,	,
39142	647	26	the	the	DT
39142	647	27	tyrannies	tyranny	NNS
39142	647	28	of	of	IN
39142	647	29	James	James	NNP
39142	647	30	II	II	NNP
39142	647	31	.	.	NNP
39142	647	32	,	,	,
39142	647	33	and	and	CC
39142	647	34	the	the	DT
39142	647	35	Revolution	Revolution	NNP
39142	647	36	of	of	IN
39142	647	37	1688	1688	CD
39142	647	38	-	-	,
39142	647	39	-all	-all	NN
39142	647	40	in	in	IN
39142	647	41	the	the	DT
39142	647	42	early	early	JJ
39142	647	43	manhood	manhood	NN
39142	647	44	of	of	IN
39142	647	45	Halley	Halley	NNP
39142	647	46	,	,	,
39142	647	47	whose	whose	WP$
39142	647	48	scientific	scientific	JJ
39142	647	49	life	life	NN
39142	647	50	and	and	CC
39142	647	51	works	work	NNS
39142	647	52	marched	march	VBD
39142	647	53	with	with	IN
39142	647	54	much	much	JJ
39142	647	55	of	of	IN
39142	647	56	the	the	DT
39142	647	57	vigor	vigor	NN
39142	647	58	of	of	IN
39142	647	59	the	the	DT
39142	647	60	contending	contend	VBG
39142	647	61	personalities	personality	NNS
39142	647	62	of	of	IN
39142	647	63	state	state	NN
39142	647	64	.	.	.
39142	648	1	The	the	DT
39142	648	2	telescope	telescope	NN
39142	648	3	had	have	VBD
39142	648	4	been	be	VBN
39142	648	5	invented	invent	VBN
39142	648	6	a	a	DT
39142	648	7	half	half	JJ
39142	648	8	century	century	NN
39142	648	9	earlier	early	RBR
39142	648	10	,	,	,
39142	648	11	and	and	CC
39142	648	12	Galileo	Galileo	NNP
39142	648	13	's	's	POS
39142	648	14	discoveries	discovery	NNS
39142	648	15	of	of	IN
39142	648	16	Jupiter	Jupiter	NNP
39142	648	17	's	's	POS
39142	648	18	moons	moon	NNS
39142	648	19	and	and	CC
39142	648	20	the	the	DT
39142	648	21	phases	phase	NNS
39142	648	22	of	of	IN
39142	648	23	Venus	Venus	NNP
39142	648	24	had	have	VBD
39142	648	25	firmly	firmly	RB
39142	648	26	established	establish	VBN
39142	648	27	the	the	DT
39142	648	28	sun	sun	NN
39142	648	29	-	-	HYPH
39142	648	30	centered	center	VBN
39142	648	31	theory	theory	NN
39142	648	32	of	of	IN
39142	648	33	Copernicus	Copernicus	NNP
39142	648	34	.	.	.
39142	649	1	The	the	DT
39142	649	2	sun	sun	NN
39142	649	3	's	's	POS
39142	649	4	distance	distance	NN
39142	649	5	,	,	,
39142	649	6	though	though	RB
39142	649	7	,	,	,
39142	649	8	was	be	VBD
39142	649	9	known	know	VBN
39142	649	10	but	but	CC
39142	649	11	crudely	crudely	RB
39142	649	12	;	;	:
39142	649	13	and	and	CC
39142	649	14	why	why	WRB
39142	649	15	the	the	DT
39142	649	16	stars	star	NNS
39142	649	17	seemed	seem	VBD
39142	649	18	to	to	TO
39142	649	19	have	have	VB
39142	649	20	no	no	DT
39142	649	21	yearly	yearly	JJ
39142	649	22	orbits	orbit	NNS
39142	649	23	of	of	IN
39142	649	24	their	-PRON-	PRP$
39142	649	25	own	own	JJ
39142	649	26	corresponding	corresponding	NN
39142	649	27	to	to	IN
39142	649	28	that	that	DT
39142	649	29	of	of	IN
39142	649	30	the	the	DT
39142	649	31	earth	earth	NN
39142	649	32	was	be	VBD
39142	649	33	a	a	DT
39142	649	34	puzzle	puzzle	NN
39142	649	35	.	.	.
39142	650	1	Newton	Newton	NNP
39142	650	2	was	be	VBD
39142	650	3	well	well	RB
39142	650	4	advanced	advanced	JJ
39142	650	5	toward	toward	IN
39142	650	6	his	-PRON-	PRP$
39142	650	7	supreme	supreme	JJ
39142	650	8	discovery	discovery	NN
39142	650	9	of	of	IN
39142	650	10	the	the	DT
39142	650	11	law	law	NN
39142	650	12	of	of	IN
39142	650	13	universal	universal	NNP
39142	650	14	gravitation	gravitation	NN
39142	650	15	;	;	:
39142	650	16	and	and	CC
39142	650	17	the	the	DT
39142	650	18	authority	authority	NN
39142	650	19	of	of	IN
39142	650	20	Kepler	Kepler	NNP
39142	650	21	taught	teach	VBD
39142	650	22	that	that	IN
39142	650	23	comets	comet	NNS
39142	650	24	travel	travel	VBP
39142	650	25	helter	helter	JJ
39142	650	26	-	-	HYPH
39142	650	27	skelter	skelter	JJ
39142	650	28	through	through	IN
39142	650	29	space	space	NN
39142	650	30	in	in	IN
39142	650	31	straight	straight	JJ
39142	650	32	lines	line	NNS
39142	650	33	past	past	IN
39142	650	34	the	the	DT
39142	650	35	earth	earth	NN
39142	650	36	,	,	,
39142	650	37	a	a	DT
39142	650	38	perpetual	perpetual	JJ
39142	650	39	menace	menace	NN
39142	650	40	to	to	IN
39142	650	41	humanity	humanity	NN
39142	650	42	.	.	.
39142	651	1	"	"	``
39142	651	2	Ugly	ugly	JJ
39142	651	3	monsters	monster	NNS
39142	651	4	,	,	,
39142	651	5	"	"	''
39142	651	6	that	that	WDT
39142	651	7	comets	comet	NNS
39142	651	8	always	always	RB
39142	651	9	were	be	VBD
39142	651	10	to	to	IN
39142	651	11	the	the	DT
39142	651	12	ancient	ancient	JJ
39142	651	13	world	world	NN
39142	651	14	,	,	,
39142	651	15	the	the	DT
39142	651	16	medieval	medieval	JJ
39142	651	17	church	church	NN
39142	651	18	perpetuated	perpetuate	VBD
39142	651	19	this	this	DT
39142	651	20	misconception	misconception	NN
39142	651	21	so	so	RB
39142	651	22	vigorously	vigorously	RB
39142	651	23	that	that	IN
39142	651	24	even	even	RB
39142	651	25	now	now	RB
39142	651	26	these	these	DT
39142	651	27	harmless	harmless	JJ
39142	651	28	,	,	,
39142	651	29	gauzy	gauzy	NNP
39142	651	30	visitors	visitor	NNS
39142	651	31	from	from	IN
39142	651	32	interstellar	interstellar	JJ
39142	651	33	space	space	NN
39142	651	34	possess	possess	VBP
39142	651	35	a	a	DT
39142	651	36	certain	certain	JJ
39142	651	37	"	"	``
39142	651	38	wizard	wizard	JJ
39142	651	39	hold	hold	NN
39142	651	40	upon	upon	IN
39142	651	41	our	-PRON-	PRP$
39142	651	42	imagination	imagination	NN
39142	651	43	.	.	.
39142	651	44	"	"	''
39142	652	1	This	this	DT
39142	652	2	entertaining	entertaining	JJ
39142	652	3	phase	phase	NN
39142	652	4	of	of	IN
39142	652	5	the	the	DT
39142	652	6	subject	subject	NN
39142	652	7	is	be	VBZ
39142	652	8	excellently	excellently	RB
39142	652	9	treated	treat	VBN
39142	652	10	in	in	IN
39142	652	11	President	President	NNP
39142	652	12	Andrew	Andrew	NNP
39142	652	13	D.	D.	NNP
39142	652	14	White	White	NNP
39142	652	15	's	's	POS
39142	652	16	"	"	``
39142	652	17	History	history	NN
39142	652	18	of	of	IN
39142	652	19	the	the	DT
39142	652	20	Doctrine	Doctrine	NNP
39142	652	21	of	of	IN
39142	652	22	Comets	Comets	NNPS
39142	652	23	,	,	,
39142	652	24	"	"	''
39142	652	25	in	in	IN
39142	652	26	the	the	DT
39142	652	27	Papers	Papers	NNPS
39142	652	28	of	of	IN
39142	652	29	the	the	DT
39142	652	30	American	American	NNP
39142	652	31	Historical	Historical	NNP
39142	652	32	Association	Association	NNP
39142	652	33	.	.	.
39142	653	1	Halley	Halley	NNP
39142	653	2	's	's	POS
39142	653	3	brilliant	brilliant	JJ
39142	653	4	comet	comet	NN
39142	653	5	at	at	IN
39142	653	6	its	-PRON-	PRP$
39142	653	7	earlier	early	JJR
39142	653	8	apparitions	apparition	NNS
39142	653	9	had	have	VBD
39142	653	10	been	be	VBN
39142	653	11	no	no	DT
39142	653	12	exception	exception	NN
39142	653	13	.	.	.
39142	654	1	Halley	Halley	NNP
39142	654	2	's	's	POS
39142	654	3	father	father	NN
39142	654	4	was	be	VBD
39142	654	5	a	a	DT
39142	654	6	wealthy	wealthy	JJ
39142	654	7	London	London	NNP
39142	654	8	soap	soap	NN
39142	654	9	maker	maker	NN
39142	654	10	,	,	,
39142	654	11	who	who	WP
39142	654	12	took	take	VBD
39142	654	13	great	great	JJ
39142	654	14	pride	pride	NN
39142	654	15	in	in	IN
39142	654	16	the	the	DT
39142	654	17	growing	grow	VBG
39142	654	18	intellectuality	intellectuality	NN
39142	654	19	of	of	IN
39142	654	20	his	-PRON-	PRP$
39142	654	21	son	son	NN
39142	654	22	.	.	.
39142	655	1	Graduating	graduate	VBG
39142	655	2	at	at	IN
39142	655	3	Queen	Queen	NNP
39142	655	4	's	's	POS
39142	655	5	College	College	NNP
39142	655	6	,	,	,
39142	655	7	Oxford	Oxford	NNP
39142	655	8	,	,	,
39142	655	9	the	the	DT
39142	655	10	latter	latter	JJ
39142	655	11	began	begin	VBD
39142	655	12	his	-PRON-	PRP$
39142	655	13	astronomical	astronomical	JJ
39142	655	14	labors	labor	NNS
39142	655	15	at	at	IN
39142	655	16	twenty	twenty	CD
39142	655	17	by	by	IN
39142	655	18	publishing	publish	VBG
39142	655	19	a	a	DT
39142	655	20	work	work	NN
39142	655	21	on	on	IN
39142	655	22	planetary	planetary	JJ
39142	655	23	orbits	orbit	NNS
39142	655	24	;	;	,
39142	655	25	and	and	CC
39142	655	26	the	the	DT
39142	655	27	next	next	JJ
39142	655	28	year	year	NN
39142	655	29	he	-PRON-	PRP
39142	655	30	voyaged	voyage	VBD
39142	655	31	to	to	IN
39142	655	32	St.	St.	NNP
39142	655	33	Helena	Helena	NNP
39142	655	34	to	to	TO
39142	655	35	catalogue	catalogue	VB
39142	655	36	the	the	DT
39142	655	37	stars	star	NNS
39142	655	38	of	of	IN
39142	655	39	the	the	DT
39142	655	40	southern	southern	JJ
39142	655	41	firmament	firmament	NN
39142	655	42	,	,	,
39142	655	43	to	to	TO
39142	655	44	measure	measure	VB
39142	655	45	the	the	DT
39142	655	46	force	force	NN
39142	655	47	of	of	IN
39142	655	48	terrestrial	terrestrial	JJ
39142	655	49	gravity	gravity	NN
39142	655	50	,	,	,
39142	655	51	and	and	CC
39142	655	52	observe	observe	VB
39142	655	53	a	a	DT
39142	655	54	transit	transit	NN
39142	655	55	of	of	IN
39142	655	56	Mercury	Mercury	NNP
39142	655	57	over	over	IN
39142	655	58	the	the	DT
39142	655	59	disk	disk	NN
39142	655	60	of	of	IN
39142	655	61	the	the	DT
39142	655	62	sun	sun	NN
39142	655	63	.	.	.
39142	656	1	While	while	IN
39142	656	2	clouds	cloud	NNS
39142	656	3	seriously	seriously	RB
39142	656	4	interfered	interfere	VBD
39142	656	5	with	with	IN
39142	656	6	his	-PRON-	PRP$
39142	656	7	observations	observation	NNS
39142	656	8	on	on	IN
39142	656	9	that	that	DT
39142	656	10	lonely	lonely	JJ
39142	656	11	isle	isle	NNP
39142	656	12	,	,	,
39142	656	13	what	what	WP
39142	656	14	he	-PRON-	PRP
39142	656	15	saw	see	VBD
39142	656	16	of	of	IN
39142	656	17	the	the	DT
39142	656	18	transit	transit	NN
39142	656	19	led	lead	VBD
39142	656	20	to	to	IN
39142	656	21	his	-PRON-	PRP$
39142	656	22	invention	invention	NN
39142	656	23	of	of	IN
39142	656	24	"	"	``
39142	656	25	Halley	Halley	NNP
39142	656	26	's	's	POS
39142	656	27	method	method	NN
39142	656	28	,	,	,
39142	656	29	"	"	''
39142	656	30	which	which	WDT
39142	656	31	,	,	,
39142	656	32	as	as	IN
39142	656	33	applied	apply	VBN
39142	656	34	to	to	IN
39142	656	35	the	the	DT
39142	656	36	transit	transit	NN
39142	656	37	of	of	IN
39142	656	38	Venus	Venus	NNP
39142	656	39	,	,	,
39142	656	40	though	though	IN
39142	656	41	not	not	RB
39142	656	42	till	till	IN
39142	656	43	long	long	RB
39142	656	44	after	after	IN
39142	656	45	his	-PRON-	PRP$
39142	656	46	death	death	NN
39142	656	47	,	,	,
39142	656	48	helped	help	VBD
39142	656	49	greatly	greatly	RB
39142	656	50	in	in	IN
39142	656	51	the	the	DT
39142	656	52	accurate	accurate	JJ
39142	656	53	determination	determination	NN
39142	656	54	of	of	IN
39142	656	55	the	the	DT
39142	656	56	sun	sun	NN
39142	656	57	's	's	POS
39142	656	58	distance	distance	NN
39142	656	59	from	from	IN
39142	656	60	the	the	DT
39142	656	61	earth	earth	NN
39142	656	62	.	.	.
39142	657	1	Halley	Halley	NNP
39142	657	2	's	's	POS
39142	657	3	researches	research	NNS
39142	657	4	on	on	IN
39142	657	5	the	the	DT
39142	657	6	proper	proper	JJ
39142	657	7	motions	motion	NNS
39142	657	8	of	of	IN
39142	657	9	the	the	DT
39142	657	10	stars	star	NNS
39142	657	11	of	of	IN
39142	657	12	both	both	DT
39142	657	13	hemispheres	hemisphere	NNS
39142	657	14	soon	soon	RB
39142	657	15	made	make	VBD
39142	657	16	him	-PRON-	PRP
39142	657	17	famous	famous	JJ
39142	657	18	,	,	,
39142	657	19	and	and	CC
39142	657	20	it	-PRON-	PRP
39142	657	21	was	be	VBD
39142	657	22	said	say	VBN
39142	657	23	of	of	IN
39142	657	24	him	-PRON-	PRP
39142	657	25	,	,	,
39142	657	26	"	"	``
39142	657	27	If	if	IN
39142	657	28	any	any	DT
39142	657	29	star	star	NN
39142	657	30	gets	get	VBZ
39142	657	31	displaced	displace	VBN
39142	657	32	on	on	IN
39142	657	33	the	the	DT
39142	657	34	globe	globe	NN
39142	657	35	,	,	,
39142	657	36	Halley	Halley	NNP
39142	657	37	will	will	MD
39142	657	38	presently	presently	RB
39142	657	39	find	find	VB
39142	657	40	it	-PRON-	PRP
39142	657	41	out	out	RP
39142	657	42	.	.	.
39142	657	43	"	"	''
39142	658	1	His	-PRON-	PRP$
39142	658	2	return	return	NN
39142	658	3	to	to	IN
39142	658	4	London	London	NNP
39142	658	5	and	and	CC
39142	658	6	election	election	NN
39142	658	7	to	to	IN
39142	658	8	the	the	DT
39142	658	9	Royal	Royal	NNP
39142	658	10	Society	Society	NNP
39142	658	11	(	(	-LRB-
39142	658	12	of	of	IN
39142	658	13	which	which	WDT
39142	658	14	he	-PRON-	PRP
39142	658	15	was	be	VBD
39142	658	16	many	many	JJ
39142	658	17	years	year	NNS
39142	658	18	secretary	secretary	NN
39142	658	19	)	)	-RRB-
39142	658	20	added	add	VBD
39142	658	21	much	much	RB
39142	658	22	to	to	IN
39142	658	23	his	-PRON-	PRP$
39142	658	24	fame	fame	NN
39142	658	25	,	,	,
39142	658	26	and	and	CC
39142	658	27	he	-PRON-	PRP
39142	658	28	was	be	VBD
39142	658	29	commissioned	commission	VBN
39142	658	30	by	by	IN
39142	658	31	the	the	DT
39142	658	32	society	society	NN
39142	658	33	to	to	TO
39142	658	34	visit	visit	VB
39142	658	35	Danzig	Danzig	NNP
39142	658	36	and	and	CC
39142	658	37	arbitrate	arbitrate	VB
39142	658	38	an	an	DT
39142	658	39	astronomical	astronomical	JJ
39142	658	40	controversy	controversy	NN
39142	658	41	between	between	IN
39142	658	42	Hooke	Hooke	NNP
39142	658	43	and	and	CC
39142	658	44	Hevelius	Hevelius	NNP
39142	658	45	,	,	,
39142	658	46	both	both	CC
39142	658	47	his	-PRON-	PRP$
39142	658	48	seniors	senior	NNS
39142	658	49	by	by	IN
39142	658	50	a	a	DT
39142	658	51	generation	generation	NN
39142	658	52	.	.	.
39142	659	1	On	on	IN
39142	659	2	the	the	DT
39142	659	3	continent	continent	NN
39142	659	4	he	-PRON-	PRP
39142	659	5	associated	associate	VBD
39142	659	6	with	with	IN
39142	659	7	other	other	JJ
39142	659	8	great	great	JJ
39142	659	9	astronomers	astronomer	NNS
39142	659	10	,	,	,
39142	659	11	especially	especially	RB
39142	659	12	Cassini	Cassini	NNP
39142	659	13	,	,	,
39142	659	14	who	who	WP
39142	659	15	had	have	VBD
39142	659	16	already	already	RB
39142	659	17	found	find	VBN
39142	659	18	three	three	CD
39142	659	19	Saturnian	saturnian	JJ
39142	659	20	moons	moon	NNS
39142	659	21	;	;	:
39142	659	22	and	and	CC
39142	659	23	it	-PRON-	PRP
39142	659	24	was	be	VBD
39142	659	25	then	then	RB
39142	659	26	he	-PRON-	PRP
39142	659	27	observed	observe	VBD
39142	659	28	the	the	DT
39142	659	29	great	great	JJ
39142	659	30	comet	comet	NN
39142	659	31	of	of	IN
39142	659	32	1680	1680	CD
39142	659	33	,	,	,
39142	659	34	which	which	WDT
39142	659	35	led	lead	VBD
39142	659	36	up	up	RP
39142	659	37	to	to	IN
39142	659	38	the	the	DT
39142	659	39	most	most	RBS
39142	659	40	famous	famous	JJ
39142	659	41	event	event	NN
39142	659	42	of	of	IN
39142	659	43	Halley	Halley	NNP
39142	659	44	's	's	POS
39142	659	45	life	life	NN
39142	659	46	.	.	.
39142	660	1	The	the	DT
39142	660	2	seerlike	seerlike	JJ
39142	660	3	Seneca	Seneca	NNP
39142	660	4	may	may	MD
39142	660	5	almost	almost	RB
39142	660	6	be	be	VB
39142	660	7	said	say	VBN
39142	660	8	to	to	TO
39142	660	9	have	have	VB
39142	660	10	predicted	predict	VBN
39142	660	11	the	the	DT
39142	660	12	advent	advent	NN
39142	660	13	of	of	IN
39142	660	14	Halley	Halley	NNP
39142	660	15	,	,	,
39142	660	16	when	when	WRB
39142	660	17	he	-PRON-	PRP
39142	660	18	wrote	write	VBD
39142	660	19	(	(	-LRB-
39142	660	20	"	"	``
39142	660	21	Quaestiones	Quaestiones	NNP
39142	660	22	Naturales	Naturales	NNPS
39142	660	23	,	,	,
39142	660	24	"	"	''
39142	660	25	vii	vii	NN
39142	660	26	)	)	-RRB-
39142	660	27	:	:	:
39142	660	28	"	"	``
39142	660	29	Some	some	DT
39142	660	30	day	day	NN
39142	660	31	there	there	EX
39142	660	32	will	will	MD
39142	660	33	arise	arise	VB
39142	660	34	a	a	DT
39142	660	35	man	man	NN
39142	660	36	who	who	WP
39142	660	37	will	will	MD
39142	660	38	demonstrate	demonstrate	VB
39142	660	39	in	in	IN
39142	660	40	what	what	WDT
39142	660	41	region	region	NN
39142	660	42	of	of	IN
39142	660	43	the	the	DT
39142	660	44	heavens	heavens	NNPS
39142	660	45	comets	comet	NNS
39142	660	46	pursue	pursue	VBP
39142	660	47	their	-PRON-	PRP$
39142	660	48	way	way	NN
39142	660	49	;	;	:
39142	660	50	why	why	WRB
39142	660	51	they	-PRON-	PRP
39142	660	52	travel	travel	VBP
39142	660	53	apart	apart	RB
39142	660	54	from	from	IN
39142	660	55	the	the	DT
39142	660	56	planets	planet	NNS
39142	660	57	;	;	:
39142	660	58	and	and	CC
39142	660	59	what	what	WP
39142	660	60	their	-PRON-	PRP$
39142	660	61	sizes	size	NNS
39142	660	62	and	and	CC
39142	660	63	constitution	constitution	NN
39142	660	64	are	be	VBP
39142	660	65	.	.	.
39142	661	1	Then	then	RB
39142	661	2	posterity	posterity	NN
39142	661	3	will	will	MD
39142	661	4	be	be	VB
39142	661	5	amazed	amazed	JJ
39142	661	6	that	that	IN
39142	661	7	simple	simple	JJ
39142	661	8	things	thing	NNS
39142	661	9	of	of	IN
39142	661	10	this	this	DT
39142	661	11	sort	sort	NN
39142	661	12	were	be	VBD
39142	661	13	not	not	RB
39142	661	14	explained	explain	VBN
39142	661	15	before	before	RB
39142	661	16	.	.	.
39142	661	17	"	"	''
39142	662	1	To	to	IN
39142	662	2	Newton	Newton	NNP
39142	662	3	it	-PRON-	PRP
39142	662	4	appeared	appear	VBD
39142	662	5	probable	probable	JJ
39142	662	6	that	that	IN
39142	662	7	cometary	cometary	JJ
39142	662	8	voyagers	voyager	NNS
39142	662	9	through	through	IN
39142	662	10	space	space	NN
39142	662	11	might	may	MD
39142	662	12	have	have	VB
39142	662	13	orbits	orbit	NNS
39142	662	14	of	of	IN
39142	662	15	their	-PRON-	PRP$
39142	662	16	own	own	JJ
39142	662	17	;	;	:
39142	662	18	and	and	CC
39142	662	19	he	-PRON-	PRP
39142	662	20	proved	prove	VBD
39142	662	21	that	that	IN
39142	662	22	the	the	DT
39142	662	23	comet	comet	NN
39142	662	24	of	of	IN
39142	662	25	1680	1680	CD
39142	662	26	never	never	RB
39142	662	27	swerved	swerve	VBN
39142	662	28	from	from	IN
39142	662	29	such	such	PDT
39142	662	30	a	a	DT
39142	662	31	path	path	NN
39142	662	32	.	.	.
39142	663	1	As	as	IN
39142	663	2	it	-PRON-	PRP
39142	663	3	could	could	MD
39142	663	4	nowhere	nowhere	RB
39142	663	5	approach	approach	VB
39142	663	6	within	within	IN
39142	663	7	the	the	DT
39142	663	8	moon	moon	NN
39142	663	9	's	's	POS
39142	663	10	orbit	orbit	NN
39142	663	11	,	,	,
39142	663	12	clearly	clearly	RB
39142	663	13	threats	threat	NNS
39142	663	14	of	of	IN
39142	663	15	its	-PRON-	PRP$
39142	663	16	wrecking	wreck	VBG
39142	663	17	the	the	DT
39142	663	18	earth	earth	NN
39142	663	19	and	and	CC
39142	663	20	punishing	punish	VBG
39142	663	21	its	-PRON-	PRP$
39142	663	22	inhabitants	inhabitant	NNS
39142	663	23	ought	ought	MD
39142	663	24	to	to	TO
39142	663	25	frighten	frighten	VB
39142	663	26	no	no	DT
39142	663	27	more	more	RBR
39142	663	28	.	.	.
39142	664	1	Halley	Halley	NNP
39142	664	2	then	then	RB
39142	664	3	became	become	VBD
39142	664	4	intensely	intensely	RB
39142	664	5	interested	interested	JJ
39142	664	6	in	in	IN
39142	664	7	comets	comet	NNS
39142	664	8	,	,	,
39142	664	9	and	and	CC
39142	664	10	gathered	gather	VBD
39142	664	11	whatever	whatever	WDT
39142	664	12	data	datum	NNS
39142	664	13	concerning	concern	VBG
39142	664	14	the	the	DT
39142	664	15	paths	path	NNS
39142	664	16	of	of	IN
39142	664	17	all	all	PDT
39142	664	18	these	these	DT
39142	664	19	bodies	body	NNS
39142	664	20	he	-PRON-	PRP
39142	664	21	could	could	MD
39142	664	22	find	find	VB
39142	664	23	.	.	.
39142	665	1	His	-PRON-	PRP$
39142	665	2	first	first	JJ
39142	665	3	great	great	JJ
39142	665	4	discovery	discovery	NN
39142	665	5	was	be	VBD
39142	665	6	that	that	IN
39142	665	7	the	the	DT
39142	665	8	comets	comet	NNS
39142	665	9	seen	see	VBN
39142	665	10	in	in	IN
39142	665	11	1531	1531	CD
39142	665	12	by	by	IN
39142	665	13	Apian	Apian	NNP
39142	665	14	,	,	,
39142	665	15	and	and	CC
39142	665	16	in	in	IN
39142	665	17	1607	1607	CD
39142	665	18	by	by	IN
39142	665	19	Kepler	Kepler	NNP
39142	665	20	,	,	,
39142	665	21	traveled	travel	VBD
39142	665	22	round	round	IN
39142	665	23	the	the	DT
39142	665	24	sun	sun	NN
39142	665	25	in	in	IN
39142	665	26	identical	identical	JJ
39142	665	27	paths	path	NNS
39142	665	28	with	with	IN
39142	665	29	one	one	CD
39142	665	30	he	-PRON-	PRP
39142	665	31	had	have	VBD
39142	665	32	himself	-PRON-	PRP
39142	665	33	observed	observe	VBN
39142	665	34	in	in	IN
39142	665	35	1682	1682	CD
39142	665	36	.	.	.
39142	666	1	A	a	DT
39142	666	2	still	still	RB
39142	666	3	earlier	early	JJR
39142	666	4	appearance	appearance	NN
39142	666	5	of	of	IN
39142	666	6	Halley	Halley	NNP
39142	666	7	's	's	POS
39142	666	8	comet	comet	NN
39142	666	9	(	(	-LRB-
39142	666	10	1456	1456	CD
39142	666	11	)	)	-RRB-
39142	666	12	seems	seem	VBZ
39142	666	13	to	to	TO
39142	666	14	have	have	VB
39142	666	15	given	give	VBN
39142	666	16	rise	rise	NN
39142	666	17	to	to	IN
39142	666	18	a	a	DT
39142	666	19	popular	popular	JJ
39142	666	20	and	and	CC
39142	666	21	long	long	RB
39142	666	22	-	-	HYPH
39142	666	23	reiterated	reiterate	VBN
39142	666	24	myth	myth	NN
39142	666	25	of	of	IN
39142	666	26	a	a	DT
39142	666	27	papal	papal	JJ
39142	666	28	bull	bull	NN
39142	666	29	excommunicating	excommunicate	VBG
39142	666	30	"	"	``
39142	666	31	the	the	DT
39142	666	32	Devil	Devil	NNP
39142	666	33	,	,	,
39142	666	34	the	the	DT
39142	666	35	Turk	Turk	NNP
39142	666	36	,	,	,
39142	666	37	and	and	CC
39142	666	38	the	the	DT
39142	666	39	Comet	Comet	NNP
39142	666	40	.	.	.
39142	666	41	"	"	''
39142	667	1	No	no	RB
39142	667	2	longer	long	JJR
39142	667	3	room	room	NN
39142	667	4	for	for	IN
39142	667	5	doubt	doubt	NN
39142	667	6	:	:	:
39142	667	7	so	so	RB
39142	667	8	certain	certain	JJ
39142	667	9	was	be	VBD
39142	667	10	Halley	Halley	NNP
39142	667	11	that	that	IN
39142	667	12	all	all	DT
39142	667	13	three	three	CD
39142	667	14	were	be	VBD
39142	667	15	one	one	CD
39142	667	16	and	and	CC
39142	667	17	the	the	DT
39142	667	18	same	same	JJ
39142	667	19	comet	comet	NN
39142	667	20	,	,	,
39142	667	21	completing	complete	VBG
39142	667	22	the	the	DT
39142	667	23	round	round	NN
39142	667	24	of	of	IN
39142	667	25	its	-PRON-	PRP$
39142	667	26	orbit	orbit	NN
39142	667	27	in	in	IN
39142	667	28	about	about	RB
39142	667	29	seventy	seventy	CD
39142	667	30	-	-	HYPH
39142	667	31	six	six	CD
39142	667	32	years	year	NNS
39142	667	33	,	,	,
39142	667	34	that	that	IN
39142	667	35	he	-PRON-	PRP
39142	667	36	fearlessly	fearlessly	RB
39142	667	37	predicted	predict	VBD
39142	667	38	that	that	IN
39142	667	39	it	-PRON-	PRP
39142	667	40	would	would	MD
39142	667	41	be	be	VB
39142	667	42	seen	see	VBN
39142	667	43	again	again	RB
39142	667	44	in	in	IN
39142	667	45	1758	1758	CD
39142	667	46	or	or	CC
39142	667	47	1759	1759	CD
39142	667	48	.	.	.
39142	668	1	And	and	CC
39142	668	2	with	with	IN
39142	668	3	equal	equal	JJ
39142	668	4	confidence	confidence	NN
39142	668	5	he	-PRON-	PRP
39142	668	6	might	may	MD
39142	668	7	have	have	VB
39142	668	8	foretold	foretell	VBN
39142	668	9	its	-PRON-	PRP$
39142	668	10	return	return	NN
39142	668	11	in	in	IN
39142	668	12	1835	1835	CD
39142	668	13	and	and	CC
39142	668	14	1910	1910	CD
39142	668	15	;	;	:
39142	668	16	for	for	IN
39142	668	17	all	all	DT
39142	668	18	three	three	CD
39142	668	19	predictions	prediction	NNS
39142	668	20	have	have	VBP
39142	668	21	come	come	VBN
39142	668	22	true	true	JJ
39142	668	23	to	to	IN
39142	668	24	the	the	DT
39142	668	25	letter	letter	NN
39142	668	26	.	.	.
39142	669	1	Halley	Halley	NNP
39142	669	2	's	's	POS
39142	669	3	span	span	NN
39142	669	4	of	of	IN
39142	669	5	existence	existence	NN
39142	669	6	did	do	VBD
39142	669	7	not	not	RB
39142	669	8	permit	permit	VB
39142	669	9	his	-PRON-	PRP$
39142	669	10	living	living	NN
39142	669	11	to	to	TO
39142	669	12	see	see	VB
39142	669	13	even	even	RB
39142	669	14	the	the	DT
39142	669	15	first	first	JJ
39142	669	16	of	of	IN
39142	669	17	these	these	DT
39142	669	18	now	now	RB
39142	669	19	historic	historic	JJ
39142	669	20	verifications	verification	NNS
39142	669	21	.	.	.
39142	670	1	But	but	CC
39142	670	2	we	-PRON-	PRP
39142	670	3	in	in	IN
39142	670	4	our	-PRON-	PRP$
39142	670	5	day	day	NN
39142	670	6	may	may	MD
39142	670	7	emphatically	emphatically	RB
39142	670	8	term	term	VB
39142	670	9	the	the	DT
39142	670	10	epoch	epoch	NN
39142	670	11	of	of	IN
39142	670	12	the	the	DT
39142	670	13	third	third	JJ
39142	670	14	verified	verify	VBN
39142	670	15	return	return	NN
39142	670	16	_	_	NNP
39142	670	17	Annus	Annus	NNP
39142	670	18	Halleianus	Halleianus	NNP
39142	670	19	_	_	NNP
39142	670	20	.	.	.
39142	671	1	Says	say	VBZ
39142	671	2	Turner	Turner	NNP
39142	671	3	,	,	,
39142	671	4	Halley	Halley	NNP
39142	671	5	's	's	POS
39142	671	6	successor	successor	NN
39142	671	7	in	in	IN
39142	671	8	the	the	DT
39142	671	9	Savilian	savilian	JJ
39142	671	10	chair	chair	NN
39142	671	11	at	at	IN
39142	671	12	Oxford	Oxford	NNP
39142	671	13	to	to	IN
39142	671	14	-	-	HYPH
39142	671	15	day	day	NN
39142	671	16	:	:	:
39142	671	17	"	"	``
39142	671	18	There	there	EX
39142	671	19	can	can	MD
39142	671	20	be	be	VB
39142	671	21	no	no	DT
39142	671	22	more	more	RBR
39142	671	23	complete	complete	JJ
39142	671	24	or	or	CC
39142	671	25	more	more	RBR
39142	671	26	sensational	sensational	JJ
39142	671	27	proof	proof	NN
39142	671	28	of	of	IN
39142	671	29	a	a	DT
39142	671	30	scientific	scientific	JJ
39142	671	31	law	law	NN
39142	671	32	,	,	,
39142	671	33	than	than	IN
39142	671	34	to	to	TO
39142	671	35	predict	predict	VB
39142	671	36	events	event	NNS
39142	671	37	by	by	IN
39142	671	38	means	mean	NNS
39142	671	39	of	of	IN
39142	671	40	it	-PRON-	PRP
39142	671	41	.	.	.
39142	672	1	Halley	Halley	NNP
39142	672	2	was	be	VBD
39142	672	3	deservedly	deservedly	RB
39142	672	4	the	the	DT
39142	672	5	first	first	JJ
39142	672	6	to	to	TO
39142	672	7	perform	perform	VB
39142	672	8	this	this	DT
39142	672	9	great	great	JJ
39142	672	10	service	service	NN
39142	672	11	for	for	IN
39142	672	12	Newton	Newton	NNP
39142	672	13	's	's	POS
39142	672	14	Law	Law	NNP
39142	672	15	of	of	IN
39142	672	16	Gravitation	Gravitation	NNP
39142	672	17	,	,	,
39142	672	18	and	and	CC
39142	672	19	he	-PRON-	PRP
39142	672	20	would	would	MD
39142	672	21	have	have	VB
39142	672	22	rejoiced	rejoice	VBN
39142	672	23	to	to	TO
39142	672	24	think	think	VB
39142	672	25	how	how	WRB
39142	672	26	conspicuous	conspicuous	JJ
39142	672	27	a	a	DT
39142	672	28	part	part	NN
39142	672	29	England	England	NNP
39142	672	30	was	be	VBD
39142	672	31	to	to	TO
39142	672	32	play	play	VB
39142	672	33	in	in	IN
39142	672	34	the	the	DT
39142	672	35	subsequent	subsequent	JJ
39142	672	36	prediction	prediction	NN
39142	672	37	of	of	IN
39142	672	38	the	the	DT
39142	672	39	existence	existence	NN
39142	672	40	of	of	IN
39142	672	41	Neptune	Neptune	NNP
39142	672	42	.	.	.
39142	672	43	"	"	''
39142	673	1	Halley	Halley	NNP
39142	673	2	rose	rise	VBD
39142	673	3	rapidly	rapidly	RB
39142	673	4	among	among	IN
39142	673	5	the	the	DT
39142	673	6	chief	chief	JJ
39142	673	7	astronomical	astronomical	JJ
39142	673	8	figures	figure	NNS
39142	673	9	of	of	IN
39142	673	10	his	-PRON-	PRP$
39142	673	11	day	day	NN
39142	673	12	.	.	.
39142	674	1	But	but	CC
39142	674	2	he	-PRON-	PRP
39142	674	3	had	have	VBD
39142	674	4	little	little	JJ
39142	674	5	veneration	veneration	NN
39142	674	6	for	for	IN
39142	674	7	mere	mere	JJ
39142	674	8	authority	authority	NN
39142	674	9	,	,	,
39142	674	10	and	and	CC
39142	674	11	the	the	DT
39142	674	12	significant	significant	JJ
39142	674	13	veering	veering	NN
39142	674	14	of	of	IN
39142	674	15	his	-PRON-	PRP$
39142	674	16	religious	religious	JJ
39142	674	17	views	view	NNS
39142	674	18	toward	toward	IN
39142	674	19	heterodoxy	heterodoxy	NNP
39142	674	20	was	be	VBD
39142	674	21	for	for	IN
39142	674	22	years	year	NNS
39142	674	23	an	an	DT
39142	674	24	obstacle	obstacle	NN
39142	674	25	to	to	IN
39142	674	26	his	-PRON-	PRP$
39142	674	27	advance	advance	NN
39142	674	28	.	.	.
39142	675	1	Still	still	RB
39142	675	2	Halley	Halley	NNP
39142	675	3	the	the	DT
39142	675	4	astronomer	astronomer	NN
39142	675	5	was	be	VBD
39142	675	6	great	great	JJ
39142	675	7	enough	enough	RB
39142	675	8	to	to	TO
39142	675	9	question	question	VB
39142	675	10	any	any	DT
39142	675	11	contemporary	contemporary	JJ
39142	675	12	dicta	dicta	NN
39142	675	13	that	that	WDT
39142	675	14	seemed	seem	VBD
39142	675	15	to	to	TO
39142	675	16	rest	rest	VB
39142	675	17	on	on	IN
39142	675	18	authority	authority	NN
39142	675	19	alone	alone	RB
39142	675	20	.	.	.
39142	676	1	Everyone	everyone	NN
39142	676	2	called	call	VBD
39142	676	3	the	the	DT
39142	676	4	stars	star	NNS
39142	676	5	"	"	``
39142	676	6	fixed	fix	VBN
39142	676	7	"	"	''
39142	676	8	stars	star	NNS
39142	676	9	;	;	:
39142	676	10	but	but	CC
39142	676	11	Halley	Halley	NNP
39142	676	12	doubting	doubt	VBG
39142	676	13	this	this	DT
39142	676	14	,	,	,
39142	676	15	made	make	VBD
39142	676	16	the	the	DT
39142	676	17	first	first	JJ
39142	676	18	discovery	discovery	NN
39142	676	19	of	of	IN
39142	676	20	a	a	DT
39142	676	21	star	star	NN
39142	676	22	's	's	POS
39142	676	23	individual	individual	JJ
39142	676	24	motion	motion	NN
39142	676	25	--	--	:
39142	676	26	proper	proper	JJ
39142	676	27	motion	motion	NN
39142	676	28	,	,	,
39142	676	29	as	as	IN
39142	676	30	astronomers	astronomer	NNS
39142	676	31	say	say	VBP
39142	676	32	.	.	.
39142	677	1	To	to	NN
39142	677	2	-	-	HYPH
39142	677	3	day	day	NN
39142	677	4	,	,	,
39142	677	5	two	two	CD
39142	677	6	hundred	hundred	CD
39142	677	7	years	year	NNS
39142	677	8	after	after	RB
39142	677	9	,	,	,
39142	677	10	every	every	DT
39142	677	11	star	star	NN
39142	677	12	is	be	VBZ
39142	677	13	considered	consider	VBN
39142	677	14	to	to	TO
39142	677	15	be	be	VB
39142	677	16	in	in	IN
39142	677	17	motion	motion	NN
39142	677	18	,	,	,
39142	677	19	and	and	CC
39142	677	20	astronomers	astronomer	NNS
39142	677	21	are	be	VBP
39142	677	22	ascertaining	ascertain	VBG
39142	677	23	their	-PRON-	PRP$
39142	677	24	real	real	JJ
39142	677	25	motions	motion	NNS
39142	677	26	in	in	IN
39142	677	27	the	the	DT
39142	677	28	celestial	celestial	JJ
39142	677	29	spaces	space	NNS
39142	677	30	to	to	IN
39142	677	31	a	a	DT
39142	677	32	nicety	nicety	NN
39142	677	33	undreamed	undreamed	JJ
39142	677	34	of	of	IN
39142	677	35	by	by	IN
39142	677	36	even	even	RB
39142	677	37	the	the	DT
39142	677	38	exacting	exact	VBG
39142	677	39	Halley	Halley	NNP
39142	677	40	.	.	.
39142	678	1	The	the	DT
39142	678	2	moon	moon	NN
39142	678	3	,	,	,
39142	678	4	of	of	IN
39142	678	5	priceless	priceless	JJ
39142	678	6	service	service	NN
39142	678	7	to	to	IN
39142	678	8	the	the	DT
39142	678	9	early	early	JJ
39142	678	10	navigator	navigator	NN
39142	678	11	,	,	,
39142	678	12	was	be	VBD
39142	678	13	regarded	regard	VBN
39142	678	14	by	by	IN
39142	678	15	all	all	DT
39142	678	16	astronomers	astronomer	NNS
39142	678	17	as	as	IN
39142	678	18	endowed	endow	VBN
39142	678	19	with	with	IN
39142	678	20	an	an	DT
39142	678	21	average	average	JJ
39142	678	22	rate	rate	NN
39142	678	23	of	of	IN
39142	678	24	motion	motion	NN
39142	678	25	round	round	IN
39142	678	26	the	the	DT
39142	678	27	earth	earth	NN
39142	678	28	that	that	WDT
39142	678	29	did	do	VBD
39142	678	30	not	not	RB
39142	678	31	vary	vary	VB
39142	678	32	from	from	IN
39142	678	33	age	age	NN
39142	678	34	to	to	IN
39142	678	35	age	age	NN
39142	678	36	.	.	.
39142	679	1	But	but	CC
39142	679	2	Halley	Halley	NNP
39142	679	3	questioned	question	VBD
39142	679	4	this	this	DT
39142	679	5	too	too	RB
39142	679	6	;	;	:
39142	679	7	and	and	CC
39142	679	8	on	on	IN
39142	679	9	comparing	compare	VBG
39142	679	10	with	with	IN
39142	679	11	the	the	DT
39142	679	12	ancient	ancient	JJ
39142	679	13	value	value	NN
39142	679	14	from	from	IN
39142	679	15	Chaldean	Chaldean	NNP
39142	679	16	eclipses	eclipse	NNS
39142	679	17	,	,	,
39142	679	18	he	-PRON-	PRP
39142	679	19	made	make	VBD
39142	679	20	another	another	DT
39142	679	21	discovery	discovery	NN
39142	679	22	--	--	:
39142	679	23	the	the	DT
39142	679	24	secular	secular	JJ
39142	679	25	acceleration	acceleration	NN
39142	679	26	of	of	IN
39142	679	27	the	the	DT
39142	679	28	moon	moon	NN
39142	679	29	's	's	POS
39142	679	30	mean	mean	JJ
39142	679	31	motion	motion	NN
39142	679	32	,	,	,
39142	679	33	as	as	IN
39142	679	34	it	-PRON-	PRP
39142	679	35	is	be	VBZ
39142	679	36	technically	technically	RB
39142	679	37	termed	term	VBN
39142	679	38	.	.	.
39142	680	1	This	this	DT
39142	680	2	was	be	VBD
39142	680	3	a	a	DT
39142	680	4	colossal	colossal	JJ
39142	680	5	discovery	discovery	NN
39142	680	6	in	in	IN
39142	680	7	celestial	celestial	JJ
39142	680	8	dynamics	dynamic	NNS
39142	680	9	;	;	:
39142	680	10	and	and	CC
39142	680	11	the	the	DT
39142	680	12	reason	reason	NN
39142	680	13	underlying	underlie	VBG
39142	680	14	it	-PRON-	PRP
39142	680	15	lay	lie	VBD
39142	680	16	hidden	hide	VBN
39142	680	17	in	in	IN
39142	680	18	Newton	Newton	NNP
39142	680	19	's	's	POS
39142	680	20	law	law	NN
39142	680	21	for	for	IN
39142	680	22	yet	yet	RB
39142	680	23	another	another	DT
39142	680	24	century	century	NN
39142	680	25	,	,	,
39142	680	26	till	till	IN
39142	680	27	the	the	DT
39142	680	28	keener	keener	NNP
39142	680	29	mathematics	mathematic	NNS
39142	680	30	of	of	IN
39142	680	31	Laplace	Laplace	NNP
39142	680	32	detected	detect	VBD
39142	680	33	its	-PRON-	PRP$
39142	680	34	true	true	JJ
39142	680	35	origin	origin	NN
39142	680	36	.	.	.
39142	681	1	*	*	NFP
39142	681	2	*	*	NFP
39142	681	3	*	*	NFP
39142	681	4	*	*	NFP
39142	681	5	*	*	NFP
39142	681	6	With	with	IN
39142	681	7	Newton	Newton	NNP
39142	681	8	,	,	,
39142	681	9	Halley	Halley	NNP
39142	681	10	laid	lay	VBD
39142	681	11	down	down	RP
39142	681	12	the	the	DT
39142	681	13	firm	firm	JJ
39142	681	14	foundations	foundation	NNS
39142	681	15	of	of	IN
39142	681	16	celestial	celestial	JJ
39142	681	17	mechanics	mechanic	NNS
39142	681	18	,	,	,
39142	681	19	and	and	CC
39142	681	20	they	-PRON-	PRP
39142	681	21	pushed	push	VBD
39142	681	22	the	the	DT
39142	681	23	science	science	NN
39142	681	24	as	as	RB
39142	681	25	far	far	RB
39142	681	26	as	as	IN
39142	681	27	the	the	DT
39142	681	28	mathematics	mathematic	NNS
39142	681	29	of	of	IN
39142	681	30	their	-PRON-	PRP$
39142	681	31	day	day	NN
39142	681	32	would	would	MD
39142	681	33	permit	permit	VB
39142	681	34	.	.	.
39142	682	1	Halley	Halley	NNP
39142	682	2	,	,	,
39142	682	3	however	however	RB
39142	682	4	,	,	,
39142	682	5	was	be	VBD
39142	682	6	not	not	RB
39142	682	7	content	content	JJ
39142	682	8	with	with	IN
39142	682	9	elucidating	elucidate	VBG
39142	682	10	the	the	DT
39142	682	11	motion	motion	NN
39142	682	12	of	of	IN
39142	682	13	bodies	body	NNS
39142	682	14	nearest	near	JJS
39142	682	15	the	the	DT
39142	682	16	earth	earth	NN
39142	682	17	,	,	,
39142	682	18	and	and	CC
39142	682	19	pressed	press	VBD
39142	682	20	to	to	IN
39142	682	21	the	the	DT
39142	682	22	utmost	utmost	JJ
39142	682	23	confines	confine	NNS
39142	682	24	of	of	IN
39142	682	25	the	the	DT
39142	682	26	solar	solar	JJ
39142	682	27	system	system	NN
39142	682	28	known	know	VBN
39142	682	29	to	to	IN
39142	682	30	him	-PRON-	PRP
39142	682	31	.	.	.
39142	683	1	Here	here	RB
39142	683	2	,	,	,
39142	683	3	too	too	RB
39142	683	4	,	,	,
39142	683	5	he	-PRON-	PRP
39142	683	6	made	make	VBD
39142	683	7	a	a	DT
39142	683	8	signal	signal	JJ
39142	683	9	discovery	discovery	NN
39142	683	10	of	of	IN
39142	683	11	that	that	DT
39142	683	12	mutual	mutual	JJ
39142	683	13	disturbance	disturbance	NN
39142	683	14	of	of	IN
39142	683	15	the	the	DT
39142	683	16	planets	planet	NNS
39142	683	17	in	in	IN
39142	683	18	their	-PRON-	PRP$
39142	683	19	motion	motion	NN
39142	683	20	round	round	IN
39142	683	21	the	the	DT
39142	683	22	sun	sun	NN
39142	683	23	,	,	,
39142	683	24	called	call	VBD
39142	683	25	the	the	DT
39142	683	26	great	great	JJ
39142	683	27	inequality	inequality	NN
39142	683	28	of	of	IN
39142	683	29	Jupiter	Jupiter	NNP
39142	683	30	and	and	CC
39142	683	31	Saturn	Saturn	NNP
39142	683	32	.	.	.
39142	684	1	Halley	Halley	NNP
39142	684	2	's	's	POS
39142	684	3	versatile	versatile	JJ
39142	684	4	genius	genius	NN
39142	684	5	attacked	attack	VBD
39142	684	6	all	all	PDT
39142	684	7	the	the	DT
39142	684	8	great	great	JJ
39142	684	9	problems	problem	NNS
39142	684	10	of	of	IN
39142	684	11	the	the	DT
39142	684	12	day	day	NN
39142	684	13	.	.	.
39142	685	1	His	-PRON-	PRP$
39142	685	2	observation	observation	NN
39142	685	3	of	of	IN
39142	685	4	the	the	DT
39142	685	5	sun	sun	NN
39142	685	6	's	's	POS
39142	685	7	total	total	JJ
39142	685	8	eclipse	eclipse	NN
39142	685	9	in	in	IN
39142	685	10	1715	1715	CD
39142	685	11	is	be	VBZ
39142	685	12	the	the	DT
39142	685	13	earliest	early	JJS
39142	685	14	reliable	reliable	JJ
39142	685	15	account	account	NN
39142	685	16	of	of	IN
39142	685	17	such	such	PDT
39142	685	18	a	a	DT
39142	685	19	phenomenon	phenomenon	NN
39142	685	20	by	by	IN
39142	685	21	a	a	DT
39142	685	22	trained	train	VBN
39142	685	23	astronomer	astronomer	NN
39142	685	24	.	.	.
39142	686	1	He	-PRON-	PRP
39142	686	2	described	describe	VBD
39142	686	3	the	the	DT
39142	686	4	corona	corona	NN
39142	686	5	minutely	minutely	RB
39142	686	6	and	and	CC
39142	686	7	was	be	VBD
39142	686	8	the	the	DT
39142	686	9	first	first	JJ
39142	686	10	to	to	TO
39142	686	11	see	see	VB
39142	686	12	that	that	IN
39142	686	13	other	other	JJ
39142	686	14	interesting	interesting	JJ
39142	686	15	phenomenon	phenomenon	NN
39142	686	16	which	which	WDT
39142	686	17	only	only	RB
39142	686	18	an	an	DT
39142	686	19	alert	alert	JJ
39142	686	20	observer	observer	NN
39142	686	21	can	can	MD
39142	686	22	detect	detect	VB
39142	686	23	,	,	,
39142	686	24	which	which	WDT
39142	686	25	a	a	DT
39142	686	26	great	great	JJ
39142	686	27	astronomer	astronomer	NN
39142	686	28	of	of	IN
39142	686	29	a	a	DT
39142	686	30	later	later	JJ
39142	686	31	day	day	NN
39142	686	32	compared	compare	VBN
39142	686	33	to	to	IN
39142	686	34	the	the	DT
39142	686	35	"	"	``
39142	686	36	ignition	ignition	NN
39142	686	37	of	of	IN
39142	686	38	a	a	DT
39142	686	39	fine	fine	JJ
39142	686	40	train	train	NN
39142	686	41	of	of	IN
39142	686	42	gunpowder	gunpowder	NN
39142	686	43	,	,	,
39142	686	44	"	"	''
39142	686	45	and	and	CC
39142	686	46	which	which	WDT
39142	686	47	has	have	VBZ
39142	686	48	ever	ever	RB
39142	686	49	since	since	IN
39142	686	50	borne	bear	VBN
39142	686	51	the	the	DT
39142	686	52	name	name	NN
39142	686	53	of	of	IN
39142	686	54	"	"	``
39142	686	55	Baily	Baily	NNP
39142	686	56	's	's	POS
39142	686	57	beads	bead	NNS
39142	686	58	.	.	.
39142	686	59	"	"	''
39142	687	1	Besides	besides	IN
39142	687	2	being	be	VBG
39142	687	3	a	a	DT
39142	687	4	great	great	JJ
39142	687	5	astronomer	astronomer	NN
39142	687	6	,	,	,
39142	687	7	Halley	Halley	NNP
39142	687	8	was	be	VBD
39142	687	9	a	a	DT
39142	687	10	man	man	NN
39142	687	11	of	of	IN
39142	687	12	affairs	affair	NNS
39142	687	13	as	as	RB
39142	687	14	well	well	RB
39142	687	15	,	,	,
39142	687	16	which	which	WDT
39142	687	17	Newton	Newton	NNP
39142	687	18	,	,	,
39142	687	19	although	although	IN
39142	687	20	the	the	DT
39142	687	21	greater	great	JJR
39142	687	22	mathematician	mathematician	NNP
39142	687	23	,	,	,
39142	687	24	was	be	VBD
39142	687	25	not	not	RB
39142	687	26	.	.	.
39142	688	1	Without	without	IN
39142	688	2	Halley	Halley	NNP
39142	688	3	,	,	,
39142	688	4	Newton	Newton	NNP
39142	688	5	's	's	POS
39142	688	6	superb	superb	JJ
39142	688	7	discovery	discovery	NN
39142	688	8	might	may	MD
39142	688	9	easily	easily	RB
39142	688	10	have	have	VB
39142	688	11	been	be	VBN
39142	688	12	lost	lose	VBN
39142	688	13	to	to	IN
39142	688	14	the	the	DT
39142	688	15	age	age	NN
39142	688	16	and	and	CC
39142	688	17	nation	nation	NN
39142	688	18	,	,	,
39142	688	19	for	for	IN
39142	688	20	the	the	DT
39142	688	21	latter	latter	JJ
39142	688	22	was	be	VBD
39142	688	23	bent	bent	JJ
39142	688	24	merely	merely	RB
39142	688	25	on	on	IN
39142	688	26	making	make	VBG
39142	688	27	discoveries	discovery	NNS
39142	688	28	,	,	,
39142	688	29	and	and	CC
39142	688	30	on	on	IN
39142	688	31	speculative	speculative	JJ
39142	688	32	contemplation	contemplation	NN
39142	688	33	of	of	IN
39142	688	34	them	-PRON-	PRP
39142	688	35	,	,	,
39142	688	36	with	with	IN
39142	688	37	never	never	RB
39142	688	38	a	a	DT
39142	688	39	thought	thought	NN
39142	688	40	of	of	IN
39142	688	41	publishing	publish	VBG
39142	688	42	to	to	IN
39142	688	43	the	the	DT
39142	688	44	world	world	NN
39142	688	45	.	.	.
39142	689	1	Halley	Halley	NNP
39142	689	2	,	,	,
39142	689	3	more	more	RBR
39142	689	4	practical	practical	JJ
39142	689	5	and	and	CC
39142	689	6	businesslike	businesslike	JJ
39142	689	7	,	,	,
39142	689	8	insisted	insist	VBD
39142	689	9	on	on	IN
39142	689	10	careful	careful	JJ
39142	689	11	writing	writing	NN
39142	689	12	out	out	RP
39142	689	13	and	and	CC
39142	689	14	publication	publication	NN
39142	689	15	.	.	.
39142	690	1	Newton	Newton	NNP
39142	690	2	was	be	VBD
39142	690	3	then	then	RB
39142	690	4	only	only	RB
39142	690	5	forty	forty	CD
39142	690	6	-	-	HYPH
39142	690	7	two	two	CD
39142	690	8	,	,	,
39142	690	9	and	and	CC
39142	690	10	Halley	Halley	NNP
39142	690	11	fully	fully	RB
39142	690	12	fourteen	fourteen	CD
39142	690	13	years	year	NNS
39142	690	14	his	-PRON-	PRP$
39142	690	15	junior	junior	NN
39142	690	16	.	.	.
39142	691	1	But	but	CC
39142	691	2	the	the	DT
39142	691	3	philosophers	philosopher	NNS
39142	691	4	of	of	IN
39142	691	5	that	that	DT
39142	691	6	day	day	NN
39142	691	7	were	be	VBD
39142	691	8	keenly	keenly	RB
39142	691	9	alive	alive	JJ
39142	691	10	to	to	IN
39142	691	11	the	the	DT
39142	691	12	mystery	mystery	NN
39142	691	13	of	of	IN
39142	691	14	Kepler	Kepler	NNP
39142	691	15	's	's	POS
39142	691	16	laws	law	NNS
39142	691	17	,	,	,
39142	691	18	and	and	CC
39142	691	19	Halley	Halley	NNP
39142	691	20	was	be	VBD
39142	691	21	fully	fully	RB
39142	691	22	conscious	conscious	JJ
39142	691	23	of	of	IN
39142	691	24	the	the	DT
39142	691	25	grandeur	grandeur	NN
39142	691	26	and	and	CC
39142	691	27	far	far	RB
39142	691	28	-	-	HYPH
39142	691	29	reaching	reach	VBG
39142	691	30	significance	significance	NN
39142	691	31	of	of	IN
39142	691	32	Newton	Newton	NNP
39142	691	33	's	's	POS
39142	691	34	great	great	JJ
39142	691	35	generalization	generalization	NN
39142	691	36	which	which	WDT
39142	691	37	embodied	embody	VBD
39142	691	38	all	all	DT
39142	691	39	three	three	CD
39142	691	40	of	of	IN
39142	691	41	Kepler	Kepler	NNP
39142	691	42	's	's	POS
39142	691	43	laws	law	NNS
39142	691	44	in	in	IN
39142	691	45	one	one	CD
39142	691	46	.	.	.
39142	692	1	Newton	Newton	NNP
39142	692	2	at	at	IN
39142	692	3	last	last	JJ
39142	692	4	yielded	yield	VBN
39142	692	5	,	,	,
39142	692	6	though	though	IN
39142	692	7	reluctantly	reluctantly	RB
39142	692	8	,	,	,
39142	692	9	and	and	CC
39142	692	10	the	the	DT
39142	692	11	"	"	``
39142	692	12	Principia	Principia	NNP
39142	692	13	"	"	''
39142	692	14	was	be	VBD
39142	692	15	given	give	VBN
39142	692	16	to	to	IN
39142	692	17	the	the	DT
39142	692	18	world	world	NN
39142	692	19	,	,	,
39142	692	20	though	though	IN
39142	692	21	wholly	wholly	RB
39142	692	22	at	at	IN
39142	692	23	Halley	Halley	NNP
39142	692	24	's	's	POS
39142	692	25	private	private	JJ
39142	692	26	charges	charge	NNS
39142	692	27	.	.	.
39142	693	1	But	but	CC
39142	693	2	Halley	Halley	NNP
39142	693	3	was	be	VBD
39142	693	4	far	far	RB
39142	693	5	from	from	IN
39142	693	6	being	be	VBG
39142	693	7	completely	completely	RB
39142	693	8	engrossed	engross	VBN
39142	693	9	with	with	IN
39142	693	10	the	the	DT
39142	693	11	absorbing	absorb	VBG
39142	693	12	problems	problem	NNS
39142	693	13	of	of	IN
39142	693	14	the	the	DT
39142	693	15	sky	sky	NN
39142	693	16	;	;	:
39142	693	17	things	thing	NNS
39142	693	18	terrestrial	terrestrial	JJ
39142	693	19	held	hold	VBN
39142	693	20	for	for	IN
39142	693	21	years	year	NNS
39142	693	22	his	-PRON-	PRP$
39142	693	23	undivided	undivided	JJ
39142	693	24	attention	attention	NN
39142	693	25	.	.	.
39142	694	1	Imagine	imagine	VB
39142	694	2	present	present	JJ
39142	694	3	-	-	HYPH
39142	694	4	day	day	NN
39142	694	5	Lords	Lords	NNPS
39142	694	6	Commissioners	Commissioners	NNPS
39142	694	7	of	of	IN
39142	694	8	the	the	DT
39142	694	9	Admiralty	Admiralty	NNP
39142	694	10	intrusting	intrust	VBG
39142	694	11	a	a	DT
39142	694	12	ship	ship	NN
39142	694	13	of	of	IN
39142	694	14	the	the	DT
39142	694	15	British	british	JJ
39142	694	16	navy	navy	NNP
39142	694	17	to	to	TO
39142	694	18	civilian	civilian	JJ
39142	694	19	command	command	NN
39142	694	20	.	.	.
39142	695	1	Yet	yet	CC
39142	695	2	such	such	JJ
39142	695	3	was	be	VBD
39142	695	4	their	-PRON-	PRP$
39142	695	5	confidence	confidence	NN
39142	695	6	in	in	IN
39142	695	7	Halley	Halley	NNP
39142	695	8	that	that	IN
39142	695	9	he	-PRON-	PRP
39142	695	10	was	be	VBD
39142	695	11	commissioned	commission	VBN
39142	695	12	as	as	IN
39142	695	13	captain	captain	NN
39142	695	14	of	of	IN
39142	695	15	H.	H.	NNP
39142	695	16	M.	M.	NNP
39142	695	17	's	's	POS
39142	695	18	pink	pink	NN
39142	695	19	_	_	NNP
39142	695	20	Paramour	Paramour	NNP
39142	695	21	_	_	NNP
39142	695	22	in	in	IN
39142	695	23	1698	1698	CD
39142	695	24	,	,	,
39142	695	25	with	with	IN
39142	695	26	instructions	instruction	NNS
39142	695	27	to	to	TO
39142	695	28	proceed	proceed	VB
39142	695	29	to	to	IN
39142	695	30	southern	southern	JJ
39142	695	31	seas	sea	NNS
39142	695	32	for	for	IN
39142	695	33	geographical	geographical	JJ
39142	695	34	discoveries	discovery	NNS
39142	695	35	,	,	,
39142	695	36	and	and	CC
39142	695	37	for	for	IN
39142	695	38	improving	improve	VBG
39142	695	39	knowledge	knowledge	NN
39142	695	40	of	of	IN
39142	695	41	the	the	DT
39142	695	42	longitude	longitude	NN
39142	695	43	problem	problem	NN
39142	695	44	,	,	,
39142	695	45	and	and	CC
39142	695	46	of	of	IN
39142	695	47	the	the	DT
39142	695	48	variations	variation	NNS
39142	695	49	of	of	IN
39142	695	50	the	the	DT
39142	695	51	compass	compass	NN
39142	695	52	.	.	.
39142	696	1	Trade	trade	NN
39142	696	2	winds	wind	NNS
39142	696	3	and	and	CC
39142	696	4	monsoons	monsoon	NNS
39142	696	5	,	,	,
39142	696	6	charts	chart	NNS
39142	696	7	of	of	IN
39142	696	8	magnetic	magnetic	JJ
39142	696	9	variation	variation	NN
39142	696	10	,	,	,
39142	696	11	tides	tide	NNS
39142	696	12	and	and	CC
39142	696	13	surveys	survey	NNS
39142	696	14	of	of	IN
39142	696	15	the	the	DT
39142	696	16	Channel	Channel	NNP
39142	696	17	coast	coast	NN
39142	696	18	,	,	,
39142	696	19	and	and	CC
39142	696	20	experiments	experiment	NNS
39142	696	21	with	with	IN
39142	696	22	diving	diving	JJ
39142	696	23	bells	bell	NNS
39142	696	24	were	be	VBD
39142	696	25	practical	practical	JJ
39142	696	26	activities	activity	NNS
39142	696	27	that	that	WDT
39142	696	28	occupied	occupy	VBD
39142	696	29	his	-PRON-	PRP$
39142	696	30	attention	attention	NN
39142	696	31	.	.	.
39142	697	1	Halley	Halley	NNP
39142	697	2	in	in	IN
39142	697	3	1720	1720	CD
39142	697	4	became	become	VBD
39142	697	5	Astronomer	Astronomer	NNP
39142	697	6	Royal	Royal	NNP
39142	697	7	.	.	.
39142	698	1	He	-PRON-	PRP
39142	698	2	was	be	VBD
39142	698	3	the	the	DT
39142	698	4	second	second	JJ
39142	698	5	incumbent	incumbent	NN
39142	698	6	of	of	IN
39142	698	7	this	this	DT
39142	698	8	great	great	JJ
39142	698	9	office	office	NN
39142	698	10	,	,	,
39142	698	11	but	but	CC
39142	698	12	the	the	DT
39142	698	13	first	first	JJ
39142	698	14	to	to	TO
39142	698	15	supply	supply	VB
39142	698	16	the	the	DT
39142	698	17	Royal	Royal	NNP
39142	698	18	Observatory	Observatory	NNP
39142	698	19	with	with	IN
39142	698	20	instruments	instrument	NNS
39142	698	21	of	of	IN
39142	698	22	its	-PRON-	PRP$
39142	698	23	own	own	JJ
39142	698	24	,	,	,
39142	698	25	some	some	DT
39142	698	26	of	of	IN
39142	698	27	which	which	WDT
39142	698	28	adorn	adorn	VBP
39142	698	29	its	-PRON-	PRP$
39142	698	30	walls	wall	NNS
39142	698	31	even	even	RB
39142	698	32	to	to	IN
39142	698	33	-	-	HYPH
39142	698	34	day	day	NN
39142	698	35	.	.	.
39142	699	1	His	-PRON-	PRP$
39142	699	2	long	long	JJ
39142	699	3	series	series	NN
39142	699	4	of	of	IN
39142	699	5	lunar	lunar	JJ
39142	699	6	observations	observation	NNS
39142	699	7	and	and	CC
39142	699	8	his	-PRON-	PRP$
39142	699	9	magnetic	magnetic	JJ
39142	699	10	researches	research	NNS
39142	699	11	were	be	VBD
39142	699	12	of	of	IN
39142	699	13	immense	immense	JJ
39142	699	14	practical	practical	JJ
39142	699	15	value	value	NN
39142	699	16	in	in	IN
39142	699	17	navigation	navigation	NN
39142	699	18	.	.	.
39142	700	1	Halley	Halley	NNP
39142	700	2	lived	live	VBD
39142	700	3	to	to	IN
39142	700	4	a	a	DT
39142	700	5	ripe	ripe	JJ
39142	700	6	old	old	JJ
39142	700	7	age	age	NN
39142	700	8	and	and	CC
39142	700	9	left	leave	VBD
39142	700	10	the	the	DT
39142	700	11	world	world	NN
39142	700	12	vastly	vastly	RB
39142	700	13	better	well	JJR
39142	700	14	than	than	IN
39142	700	15	he	-PRON-	PRP
39142	700	16	found	find	VBD
39142	700	17	it	-PRON-	PRP
39142	700	18	.	.	.
39142	701	1	His	-PRON-	PRP$
39142	701	2	rise	rise	NN
39142	701	3	from	from	IN
39142	701	4	humblest	humblest	NN
39142	701	5	obscurity	obscurity	NN
39142	701	6	was	be	VBD
39142	701	7	most	most	RBS
39142	701	8	remarkable	remarkable	JJ
39142	701	9	,	,	,
39142	701	10	and	and	CC
39142	701	11	he	-PRON-	PRP
39142	701	12	lived	live	VBD
39142	701	13	to	to	TO
39142	701	14	gratify	gratify	VB
39142	701	15	all	all	PDT
39142	701	16	the	the	DT
39142	701	17	ambitions	ambition	NNS
39142	701	18	of	of	IN
39142	701	19	his	-PRON-	PRP$
39142	701	20	early	early	JJ
39142	701	21	manhood	manhood	NN
39142	701	22	.	.	.
39142	702	1	"	"	``
39142	702	2	Of	of	IN
39142	702	3	attractive	attractive	JJ
39142	702	4	appearance	appearance	NN
39142	702	5	,	,	,
39142	702	6	pleasing	pleasing	JJ
39142	702	7	manners	manner	NNS
39142	702	8	,	,	,
39142	702	9	and	and	CC
39142	702	10	ready	ready	JJ
39142	702	11	wit	wit	NN
39142	702	12	,	,	,
39142	702	13	"	"	''
39142	702	14	says	say	VBZ
39142	702	15	one	one	CD
39142	702	16	of	of	IN
39142	702	17	his	-PRON-	PRP$
39142	702	18	biographers	biographer	NNS
39142	702	19	,	,	,
39142	702	20	"	"	''
39142	702	21	loyal	loyal	JJ
39142	702	22	,	,	,
39142	702	23	generous	generous	JJ
39142	702	24	,	,	,
39142	702	25	and	and	CC
39142	702	26	free	free	JJ
39142	702	27	from	from	IN
39142	702	28	self	self	NN
39142	702	29	-	-	HYPH
39142	702	30	seeking	seek	VBG
39142	702	31	,	,	,
39142	702	32	he	-PRON-	PRP
39142	702	33	was	be	VBD
39142	702	34	one	one	CD
39142	702	35	of	of	IN
39142	702	36	the	the	DT
39142	702	37	most	most	RBS
39142	702	38	personally	personally	RB
39142	702	39	engaging	engage	VBG
39142	702	40	men	man	NNS
39142	702	41	who	who	WP
39142	702	42	ever	ever	RB
39142	702	43	held	hold	VBD
39142	702	44	the	the	DT
39142	702	45	office	office	NN
39142	702	46	of	of	IN
39142	702	47	Astronomer	Astronomer	NNP
39142	702	48	Royal	Royal	NNP
39142	702	49	.	.	.
39142	702	50	"	"	''
39142	703	1	He	-PRON-	PRP
39142	703	2	died	die	VBD
39142	703	3	in	in	IN
39142	703	4	office	office	NN
39142	703	5	at	at	IN
39142	703	6	Greenwich	Greenwich	NNP
39142	703	7	in	in	IN
39142	703	8	1742	1742	CD
39142	703	9	.	.	.
39142	704	1	"	"	``
39142	704	2	Halley	Halley	NNP
39142	704	3	was	be	VBD
39142	704	4	buried	bury	VBN
39142	704	5	,	,	,
39142	704	6	"	"	''
39142	704	7	says	say	VBZ
39142	704	8	Chambers	Chambers	NNP
39142	704	9	,	,	,
39142	704	10	"	"	``
39142	704	11	in	in	IN
39142	704	12	the	the	DT
39142	704	13	churchyard	churchyard	NN
39142	704	14	of	of	IN
39142	704	15	St.	St.	NNP
39142	704	16	Margaret	Margaret	NNP
39142	704	17	's	's	POS
39142	704	18	,	,	,
39142	704	19	Lee	Lee	NNP
39142	704	20	,	,	,
39142	704	21	not	not	RB
39142	704	22	far	far	RB
39142	704	23	from	from	IN
39142	704	24	Greenwich	Greenwich	NNP
39142	704	25	,	,	,
39142	704	26	and	and	CC
39142	704	27	it	-PRON-	PRP
39142	704	28	has	have	VBZ
39142	704	29	lately	lately	RB
39142	704	30	been	be	VBN
39142	704	31	announced	announce	VBN
39142	704	32	that	that	IN
39142	704	33	the	the	DT
39142	704	34	Admiralty	Admiralty	NNP
39142	704	35	have	have	VBP
39142	704	36	decided	decide	VBN
39142	704	37	to	to	TO
39142	704	38	repair	repair	VB
39142	704	39	his	-PRON-	PRP$
39142	704	40	tomb	tomb	NN
39142	704	41	at	at	IN
39142	704	42	the	the	DT
39142	704	43	public	public	JJ
39142	704	44	expense	expense	NN
39142	704	45	,	,	,
39142	704	46	no	no	DT
39142	704	47	descendants	descendant	NNS
39142	704	48	of	of	IN
39142	704	49	his	-PRON-	PRP$
39142	704	50	being	be	VBG
39142	704	51	known	know	VBN
39142	704	52	.	.	.
39142	704	53	"	"	''
39142	705	1	There	there	EX
39142	705	2	is	be	VBZ
39142	705	3	no	no	DT
39142	705	4	suitable	suitable	JJ
39142	705	5	monument	monument	NN
39142	705	6	in	in	IN
39142	705	7	England	England	NNP
39142	705	8	to	to	IN
39142	705	9	the	the	DT
39142	705	10	memory	memory	NN
39142	705	11	of	of	IN
39142	705	12	one	one	CD
39142	705	13	of	of	IN
39142	705	14	her	-PRON-	PRP$
39142	705	15	greatest	great	JJS
39142	705	16	scientific	scientific	JJ
39142	705	17	men	man	NNS
39142	705	18	.	.	.
39142	706	1	In	in	IN
39142	706	2	any	any	DT
39142	706	3	event	event	NN
39142	706	4	the	the	DT
39142	706	5	collection	collection	NN
39142	706	6	and	and	CC
39142	706	7	republication	republication	NN
39142	706	8	of	of	IN
39142	706	9	his	-PRON-	PRP$
39142	706	10	epoch	epoch	NN
39142	706	11	-	-	HYPH
39142	706	12	making	make	VBG
39142	706	13	papers	paper	NNS
39142	706	14	would	would	MD
39142	706	15	be	be	VB
39142	706	16	welcomed	welcome	VBN
39142	706	17	by	by	IN
39142	706	18	astronomers	astronomer	NNS
39142	706	19	of	of	IN
39142	706	20	every	every	DT
39142	706	21	nation	nation	NN
39142	706	22	.	.	.
39142	707	1	CHAPTER	CHAPTER	NNP
39142	707	2	XVII	XVII	NNP
39142	707	3	BRADLEY	BRADLEY	NNP
39142	707	4	AND	and	CC
39142	707	5	ABERRATION	aberration	VB
39142	707	6	Living	live	VBG
39142	707	7	at	at	IN
39142	707	8	Kew	Kew	NNP
39142	707	9	in	in	IN
39142	707	10	London	London	NNP
39142	707	11	early	early	RB
39142	707	12	in	in	IN
39142	707	13	the	the	DT
39142	707	14	18th	18th	JJ
39142	707	15	century	century	NN
39142	707	16	was	be	VBD
39142	707	17	an	an	DT
39142	707	18	enthusiastic	enthusiastic	JJ
39142	707	19	young	young	JJ
39142	707	20	astronomer	astronomer	NN
39142	707	21	,	,	,
39142	707	22	James	James	NNP
39142	707	23	Bradley	Bradley	NNP
39142	707	24	.	.	.
39142	708	1	He	-PRON-	PRP
39142	708	2	is	be	VBZ
39142	708	3	famous	famous	JJ
39142	708	4	chiefly	chiefly	RB
39142	708	5	for	for	IN
39142	708	6	his	-PRON-	PRP$
39142	708	7	accurate	accurate	JJ
39142	708	8	observations	observation	NNS
39142	708	9	of	of	IN
39142	708	10	star	star	NN
39142	708	11	places	place	NNS
39142	708	12	which	which	WDT
39142	708	13	have	have	VBP
39142	708	14	been	be	VBN
39142	708	15	invaluable	invaluable	JJ
39142	708	16	to	to	IN
39142	708	17	astronomers	astronomer	NNS
39142	708	18	of	of	IN
39142	708	19	later	later	JJ
39142	708	20	epochs	epoch	NNS
39142	708	21	in	in	IN
39142	708	22	ascertaining	ascertain	VBG
39142	708	23	the	the	DT
39142	708	24	proper	proper	JJ
39142	708	25	motions	motion	NNS
39142	708	26	of	of	IN
39142	708	27	stars	star	NNS
39142	708	28	.	.	.
39142	709	1	The	the	DT
39142	709	2	latitude	latitude	NN
39142	709	3	of	of	IN
39142	709	4	Bradley	Bradley	NNP
39142	709	5	's	's	POS
39142	709	6	house	house	NN
39142	709	7	in	in	IN
39142	709	8	Kew	Kew	NNP
39142	709	9	was	be	VBD
39142	709	10	very	very	RB
39142	709	11	nearly	nearly	RB
39142	709	12	the	the	DT
39142	709	13	same	same	JJ
39142	709	14	as	as	IN
39142	709	15	the	the	DT
39142	709	16	declination	declination	NN
39142	709	17	of	of	IN
39142	709	18	the	the	DT
39142	709	19	bright	bright	JJ
39142	709	20	star	star	NN
39142	709	21	Gamma	Gamma	NNP
39142	709	22	Draconis	Draconis	NNP
39142	709	23	,	,	,
39142	709	24	so	so	IN
39142	709	25	that	that	IN
39142	709	26	it	-PRON-	PRP
39142	709	27	passed	pass	VBD
39142	709	28	through	through	IN
39142	709	29	his	-PRON-	PRP$
39142	709	30	zenith	zenith	NN
39142	709	31	once	once	RB
39142	709	32	every	every	DT
39142	709	33	day	day	NN
39142	709	34	.	.	.
39142	710	1	Bradley	Bradley	NNP
39142	710	2	had	have	VBD
39142	710	3	a	a	DT
39142	710	4	zenith	zenith	NN
39142	710	5	sector	sector	NN
39142	710	6	,	,	,
39142	710	7	and	and	CC
39142	710	8	with	with	IN
39142	710	9	this	this	DT
39142	710	10	he	-PRON-	PRP
39142	710	11	observed	observe	VBD
39142	710	12	with	with	IN
39142	710	13	the	the	DT
39142	710	14	greatest	great	JJS
39142	710	15	care	care	NN
39142	710	16	the	the	DT
39142	710	17	zenith	zenith	NN
39142	710	18	distance	distance	NN
39142	710	19	of	of	IN
39142	710	20	Gamma	Gamma	NNP
39142	710	21	Draconis	Draconis	NNP
39142	710	22	at	at	IN
39142	710	23	every	every	DT
39142	710	24	possible	possible	JJ
39142	710	25	opportunity	opportunity	NN
39142	710	26	.	.	.
39142	711	1	This	this	DT
39142	711	2	he	-PRON-	PRP
39142	711	3	did	do	VBD
39142	711	4	by	by	IN
39142	711	5	pointing	point	VBG
39142	711	6	the	the	DT
39142	711	7	telescope	telescope	NN
39142	711	8	on	on	IN
39142	711	9	the	the	DT
39142	711	10	star	star	NN
39142	711	11	and	and	CC
39142	711	12	then	then	RB
39142	711	13	recording	record	VBG
39142	711	14	the	the	DT
39142	711	15	small	small	JJ
39142	711	16	angle	angle	NN
39142	711	17	of	of	IN
39142	711	18	its	-PRON-	PRP$
39142	711	19	inclination	inclination	NN
39142	711	20	to	to	IN
39142	711	21	a	a	DT
39142	711	22	fine	fine	JJ
39142	711	23	plumb	plumb	JJ
39142	711	24	line	line	NN
39142	711	25	.	.	.
39142	712	1	So	so	RB
39142	712	2	accurate	accurate	JJ
39142	712	3	were	be	VBD
39142	712	4	his	-PRON-	PRP$
39142	712	5	measures	measure	NNS
39142	712	6	that	that	WDT
39142	712	7	he	-PRON-	PRP
39142	712	8	was	be	VBD
39142	712	9	probably	probably	RB
39142	712	10	certain	certain	JJ
39142	712	11	of	of	IN
39142	712	12	the	the	DT
39142	712	13	star	star	NN
39142	712	14	's	's	POS
39142	712	15	position	position	NN
39142	712	16	to	to	IN
39142	712	17	the	the	DT
39142	712	18	nearest	near	JJS
39142	712	19	second	second	NN
39142	712	20	of	of	IN
39142	712	21	arc	arc	NN
39142	712	22	.	.	.
39142	713	1	What	what	WP
39142	713	2	he	-PRON-	PRP
39142	713	3	hoped	hope	VBD
39142	713	4	to	to	TO
39142	713	5	find	find	VB
39142	713	6	was	be	VBD
39142	713	7	the	the	DT
39142	713	8	star	star	NN
39142	713	9	's	's	POS
39142	713	10	motion	motion	NN
39142	713	11	round	round	IN
39142	713	12	a	a	DT
39142	713	13	very	very	RB
39142	713	14	slight	slight	JJ
39142	713	15	orbit	orbit	NN
39142	713	16	once	once	RB
39142	713	17	each	each	DT
39142	713	18	year	year	NN
39142	713	19	,	,	,
39142	713	20	and	and	CC
39142	713	21	due	due	IN
39142	713	22	to	to	IN
39142	713	23	the	the	DT
39142	713	24	earth	earth	NN
39142	713	25	's	's	POS
39142	713	26	motion	motion	NN
39142	713	27	in	in	IN
39142	713	28	its	-PRON-	PRP$
39142	713	29	orbit	orbit	NN
39142	713	30	round	round	IN
39142	713	31	the	the	DT
39142	713	32	sun	sun	NN
39142	713	33	.	.	.
39142	714	1	In	in	IN
39142	714	2	other	other	JJ
39142	714	3	words	word	NNS
39142	714	4	,	,	,
39142	714	5	he	-PRON-	PRP
39142	714	6	sought	seek	VBD
39142	714	7	to	to	TO
39142	714	8	find	find	VB
39142	714	9	the	the	DT
39142	714	10	star	star	NN
39142	714	11	's	's	POS
39142	714	12	parallax	parallax	NN
39142	714	13	if	if	IN
39142	714	14	it	-PRON-	PRP
39142	714	15	turned	turn	VBD
39142	714	16	out	out	RP
39142	714	17	to	to	TO
39142	714	18	be	be	VB
39142	714	19	a	a	DT
39142	714	20	measurable	measurable	JJ
39142	714	21	quantity	quantity	NN
39142	714	22	.	.	.
39142	715	1	It	-PRON-	PRP
39142	715	2	is	be	VBZ
39142	715	3	just	just	RB
39142	715	4	as	as	RB
39142	715	5	well	well	RB
39142	715	6	now	now	RB
39142	715	7	that	that	IN
39142	715	8	his	-PRON-	PRP$
39142	715	9	method	method	NN
39142	715	10	of	of	IN
39142	715	11	observation	observation	NN
39142	715	12	proved	prove	VBD
39142	715	13	insufficiently	insufficiently	RB
39142	715	14	delicate	delicate	JJ
39142	715	15	to	to	TO
39142	715	16	reveal	reveal	VB
39142	715	17	the	the	DT
39142	715	18	parallax	parallax	NN
39142	715	19	of	of	IN
39142	715	20	Gamma	Gamma	NNP
39142	715	21	Draconis	Draconis	NNP
39142	715	22	;	;	:
39142	715	23	but	but	CC
39142	715	24	his	-PRON-	PRP$
39142	715	25	assiduity	assiduity	NN
39142	715	26	in	in	IN
39142	715	27	observation	observation	NN
39142	715	28	led	lead	VBD
39142	715	29	him	-PRON-	PRP
39142	715	30	to	to	IN
39142	715	31	an	an	DT
39142	715	32	unexpected	unexpected	JJ
39142	715	33	discovery	discovery	NN
39142	715	34	of	of	IN
39142	715	35	greater	great	JJR
39142	715	36	moment	moment	NN
39142	715	37	at	at	IN
39142	715	38	that	that	DT
39142	715	39	time	time	NN
39142	715	40	.	.	.
39142	716	1	What	what	WP
39142	716	2	he	-PRON-	PRP
39142	716	3	really	really	RB
39142	716	4	found	find	VBD
39142	716	5	was	be	VBD
39142	716	6	that	that	IN
39142	716	7	the	the	DT
39142	716	8	star	star	NN
39142	716	9	had	have	VBD
39142	716	10	a	a	DT
39142	716	11	regular	regular	JJ
39142	716	12	annual	annual	JJ
39142	716	13	orbit	orbit	NN
39142	716	14	;	;	:
39142	716	15	but	but	CC
39142	716	16	wholly	wholly	RB
39142	716	17	different	different	JJ
39142	716	18	from	from	IN
39142	716	19	what	what	WP
39142	716	20	he	-PRON-	PRP
39142	716	21	expected	expect	VBD
39142	716	22	,	,	,
39142	716	23	and	and	CC
39142	716	24	very	very	RB
39142	716	25	much	much	RB
39142	716	26	larger	large	JJR
39142	716	27	in	in	IN
39142	716	28	amount	amount	NN
39142	716	29	.	.	.
39142	717	1	This	this	DT
39142	717	2	result	result	NN
39142	717	3	was	be	VBD
39142	717	4	most	most	RBS
39142	717	5	puzzling	puzzling	JJ
39142	717	6	to	to	IN
39142	717	7	Bradley	Bradley	NNP
39142	717	8	.	.	.
39142	718	1	The	the	DT
39142	718	2	law	law	NN
39142	718	3	of	of	IN
39142	718	4	relative	relative	JJ
39142	718	5	motion	motion	NN
39142	718	6	would	would	MD
39142	718	7	require	require	VB
39142	718	8	that	that	IN
39142	718	9	the	the	DT
39142	718	10	star	star	NN
39142	718	11	's	's	POS
39142	718	12	motion	motion	NN
39142	718	13	in	in	IN
39142	718	14	its	-PRON-	PRP$
39142	718	15	expected	expect	VBN
39142	718	16	orbit	orbit	NN
39142	718	17	should	should	MD
39142	718	18	be	be	VB
39142	718	19	opposite	opposite	JJ
39142	718	20	to	to	IN
39142	718	21	that	that	DT
39142	718	22	of	of	IN
39142	718	23	the	the	DT
39142	718	24	earth	earth	NN
39142	718	25	in	in	IN
39142	718	26	its	-PRON-	PRP$
39142	718	27	annual	annual	JJ
39142	718	28	orbit	orbit	NN
39142	718	29	;	;	:
39142	718	30	instead	instead	RB
39142	718	31	of	of	IN
39142	718	32	which	which	WDT
39142	718	33	the	the	DT
39142	718	34	star	star	NN
39142	718	35	was	be	VBD
39142	718	36	all	all	PDT
39142	718	37	the	the	DT
39142	718	38	time	time	NN
39142	718	39	at	at	IN
39142	718	40	right	right	JJ
39142	718	41	angles	angle	NNS
39142	718	42	to	to	IN
39142	718	43	the	the	DT
39142	718	44	earth	earth	NN
39142	718	45	's	's	POS
39142	718	46	motion	motion	NN
39142	718	47	.	.	.
39142	719	1	Bradley	Bradley	NNP
39142	719	2	was	be	VBD
39142	719	3	a	a	DT
39142	719	4	frequent	frequent	JJ
39142	719	5	traveler	traveler	NN
39142	719	6	by	by	IN
39142	719	7	boat	boat	NN
39142	719	8	on	on	IN
39142	719	9	the	the	DT
39142	719	10	Thames	Thames	NNP
39142	719	11	,	,	,
39142	719	12	and	and	CC
39142	719	13	the	the	DT
39142	719	14	apparent	apparent	JJ
39142	719	15	change	change	NN
39142	719	16	in	in	IN
39142	719	17	the	the	DT
39142	719	18	direction	direction	NN
39142	719	19	of	of	IN
39142	719	20	the	the	DT
39142	719	21	wind	wind	NN
39142	719	22	when	when	WRB
39142	719	23	the	the	DT
39142	719	24	boat	boat	NN
39142	719	25	was	be	VBD
39142	719	26	in	in	IN
39142	719	27	motion	motion	NN
39142	719	28	is	be	VBZ
39142	719	29	said	say	VBN
39142	719	30	to	to	TO
39142	719	31	have	have	VB
39142	719	32	suggested	suggest	VBN
39142	719	33	to	to	IN
39142	719	34	him	-PRON-	PRP
39142	719	35	what	what	WP
39142	719	36	caused	cause	VBD
39142	719	37	the	the	DT
39142	719	38	displacement	displacement	NN
39142	719	39	of	of	IN
39142	719	40	Gamma	Gamma	NNP
39142	719	41	Draconis	Draconis	NNP
39142	719	42	.	.	.
39142	720	1	The	the	DT
39142	720	2	progressive	progressive	JJ
39142	720	3	motion	motion	NN
39142	720	4	of	of	IN
39142	720	5	light	light	NN
39142	720	6	had	have	VBD
39142	720	7	been	be	VBN
39142	720	8	roughly	roughly	RB
39142	720	9	ascertained	ascertain	VBN
39142	720	10	by	by	IN
39142	720	11	Roemer	Roemer	NNP
39142	720	12	:	:	:
39142	720	13	let	let	VB
39142	720	14	that	that	DT
39142	720	15	be	be	VB
39142	720	16	the	the	DT
39142	720	17	velocity	velocity	NN
39142	720	18	of	of	IN
39142	720	19	the	the	DT
39142	720	20	wind	wind	NN
39142	720	21	.	.	.
39142	721	1	And	and	CC
39142	721	2	the	the	DT
39142	721	3	earth	earth	NN
39142	721	4	's	's	POS
39142	721	5	motion	motion	NN
39142	721	6	in	in	IN
39142	721	7	its	-PRON-	PRP$
39142	721	8	orbit	orbit	NN
39142	721	9	round	round	IN
39142	721	10	the	the	DT
39142	721	11	sun	sun	NN
39142	721	12	,	,	,
39142	721	13	let	let	VB
39142	721	14	that	that	DT
39142	721	15	be	be	VB
39142	721	16	the	the	DT
39142	721	17	speed	speed	NN
39142	721	18	of	of	IN
39142	721	19	the	the	DT
39142	721	20	boat	boat	NN
39142	721	21	.	.	.
39142	722	1	Then	then	RB
39142	722	2	as	as	IN
39142	722	3	the	the	DT
39142	722	4	wind	wind	NN
39142	722	5	(	(	-LRB-
39142	722	6	to	to	IN
39142	722	7	an	an	DT
39142	722	8	observer	observer	NN
39142	722	9	on	on	IN
39142	722	10	the	the	DT
39142	722	11	moving	move	VBG
39142	722	12	boat	boat	NN
39142	722	13	)	)	-RRB-
39142	722	14	always	always	RB
39142	722	15	seems	seem	VBZ
39142	722	16	to	to	TO
39142	722	17	come	come	VB
39142	722	18	from	from	IN
39142	722	19	a	a	DT
39142	722	20	point	point	NN
39142	722	21	in	in	IN
39142	722	22	advance	advance	NN
39142	722	23	of	of	IN
39142	722	24	the	the	DT
39142	722	25	point	point	NN
39142	722	26	it	-PRON-	PRP
39142	722	27	actually	actually	RB
39142	722	28	proceeds	proceed	VBZ
39142	722	29	from	from	IN
39142	722	30	(	(	-LRB-
39142	722	31	to	to	IN
39142	722	32	an	an	DT
39142	722	33	observer	observer	NN
39142	722	34	at	at	IN
39142	722	35	rest	rest	NN
39142	722	36	)	)	-RRB-
39142	722	37	,	,	,
39142	722	38	so	so	IN
39142	722	39	the	the	DT
39142	722	40	star	star	NN
39142	722	41	should	should	MD
39142	722	42	be	be	VB
39142	722	43	constantly	constantly	RB
39142	722	44	thrown	throw	VBN
39142	722	45	forward	forward	RP
39142	722	46	by	by	IN
39142	722	47	an	an	DT
39142	722	48	angle	angle	NN
39142	722	49	given	give	VBN
39142	722	50	by	by	IN
39142	722	51	the	the	DT
39142	722	52	relation	relation	NN
39142	722	53	of	of	IN
39142	722	54	the	the	DT
39142	722	55	velocity	velocity	NN
39142	722	56	of	of	IN
39142	722	57	light	light	NN
39142	722	58	to	to	IN
39142	722	59	the	the	DT
39142	722	60	speed	speed	NN
39142	722	61	of	of	IN
39142	722	62	the	the	DT
39142	722	63	earth	earth	NN
39142	722	64	in	in	IN
39142	722	65	orbital	orbital	JJ
39142	722	66	revolution	revolution	NN
39142	722	67	round	round	IN
39142	722	68	the	the	DT
39142	722	69	sun	sun	NN
39142	722	70	.	.	.
39142	723	1	The	the	DT
39142	723	2	apparent	apparent	JJ
39142	723	3	places	place	NNS
39142	723	4	of	of	IN
39142	723	5	all	all	DT
39142	723	6	stars	star	NNS
39142	723	7	are	be	VBP
39142	723	8	affected	affect	VBN
39142	723	9	in	in	IN
39142	723	10	this	this	DT
39142	723	11	manner	manner	NN
39142	723	12	,	,	,
39142	723	13	and	and	CC
39142	723	14	this	this	DT
39142	723	15	displacement	displacement	NN
39142	723	16	is	be	VBZ
39142	723	17	called	call	VBN
39142	723	18	the	the	DT
39142	723	19	aberration	aberration	NN
39142	723	20	of	of	IN
39142	723	21	light	light	NN
39142	723	22	.	.	.
39142	724	1	Astronomers	astronomer	NNS
39142	724	2	since	since	IN
39142	724	3	Bradley	Bradley	NNP
39142	724	4	's	's	POS
39142	724	5	discovery	discovery	NN
39142	724	6	of	of	IN
39142	724	7	aberration	aberration	NN
39142	724	8	in	in	IN
39142	724	9	1726	1726	CD
39142	724	10	have	have	VBP
39142	724	11	devoted	devote	VBN
39142	724	12	a	a	DT
39142	724	13	great	great	JJ
39142	724	14	deal	deal	NN
39142	724	15	of	of	IN
39142	724	16	attention	attention	NN
39142	724	17	to	to	IN
39142	724	18	this	this	DT
39142	724	19	astronomical	astronomical	JJ
39142	724	20	constant	constant	NN
39142	724	21	,	,	,
39142	724	22	as	as	IN
39142	724	23	it	-PRON-	PRP
39142	724	24	is	be	VBZ
39142	724	25	called	call	VBN
39142	724	26	,	,	,
39142	724	27	and	and	CC
39142	724	28	the	the	DT
39142	724	29	arc	arc	NN
39142	724	30	value	value	NN
39142	724	31	of	of	IN
39142	724	32	it	-PRON-	PRP
39142	724	33	is	be	VBZ
39142	724	34	very	very	RB
39142	724	35	nearly	nearly	RB
39142	724	36	20".5	20".5	CD
39142	724	37	.	.	.
39142	725	1	This	this	DT
39142	725	2	means	mean	VBZ
39142	725	3	that	that	IN
39142	725	4	light	light	NN
39142	725	5	travels	travel	VBZ
39142	725	6	more	more	JJR
39142	725	7	than	than	IN
39142	725	8	ten	ten	CD
39142	725	9	thousand	thousand	CD
39142	725	10	times	time	NNS
39142	725	11	as	as	RB
39142	725	12	fast	fast	RB
39142	725	13	as	as	IN
39142	725	14	the	the	DT
39142	725	15	earth	earth	NN
39142	725	16	in	in	IN
39142	725	17	its	-PRON-	PRP$
39142	725	18	orbit	orbit	NN
39142	725	19	(	(	-LRB-
39142	725	20	186,330	186,330	CD
39142	725	21	miles	mile	NNS
39142	725	22	per	per	IN
39142	725	23	second	second	JJ
39142	725	24	as	as	IN
39142	725	25	against	against	IN
39142	725	26	the	the	DT
39142	725	27	earth	earth	NN
39142	725	28	's	's	POS
39142	725	29	18.5	18.5	CD
39142	725	30	)	)	-RRB-
39142	725	31	.	.	.
39142	726	1	And	and	CC
39142	726	2	we	-PRON-	PRP
39142	726	3	can	can	MD
39142	726	4	ascertain	ascertain	VB
39142	726	5	the	the	DT
39142	726	6	sun	sun	NN
39142	726	7	's	's	POS
39142	726	8	distance	distance	NN
39142	726	9	by	by	IN
39142	726	10	aberration	aberration	NN
39142	726	11	also	also	RB
39142	726	12	because	because	IN
39142	726	13	the	the	DT
39142	726	14	exact	exact	JJ
39142	726	15	values	value	NNS
39142	726	16	of	of	IN
39142	726	17	the	the	DT
39142	726	18	velocity	velocity	NN
39142	726	19	of	of	IN
39142	726	20	light	light	NN
39142	726	21	and	and	CC
39142	726	22	of	of	IN
39142	726	23	the	the	DT
39142	726	24	constant	constant	NN
39142	726	25	of	of	IN
39142	726	26	aberration	aberration	NN
39142	726	27	when	when	WRB
39142	726	28	properly	properly	RB
39142	726	29	combined	combine	VBN
39142	726	30	give	give	VBP
39142	726	31	the	the	DT
39142	726	32	exact	exact	JJ
39142	726	33	orbital	orbital	JJ
39142	726	34	speed	speed	NN
39142	726	35	of	of	IN
39142	726	36	the	the	DT
39142	726	37	earth	earth	NN
39142	726	38	;	;	:
39142	726	39	and	and	CC
39142	726	40	this	this	DT
39142	726	41	furnishes	furnishe	NNS
39142	726	42	directly	directly	RB
39142	726	43	by	by	IN
39142	726	44	geometry	geometry	NN
39142	726	45	the	the	DT
39142	726	46	radius	radius	NN
39142	726	47	of	of	IN
39142	726	48	the	the	DT
39142	726	49	earth	earth	NN
39142	726	50	's	's	POS
39142	726	51	orbit	orbit	NN
39142	726	52	,	,	,
39142	726	53	that	that	WDT
39142	726	54	is	be	VBZ
39142	726	55	the	the	DT
39142	726	56	distance	distance	NN
39142	726	57	of	of	IN
39142	726	58	the	the	DT
39142	726	59	sun	sun	NN
39142	726	60	.	.	.
39142	727	1	In	in	IN
39142	727	2	fact	fact	NN
39142	727	3	,	,	,
39142	727	4	this	this	DT
39142	727	5	is	be	VBZ
39142	727	6	one	one	CD
39142	727	7	of	of	IN
39142	727	8	the	the	DT
39142	727	9	more	more	RBR
39142	727	10	accurate	accurate	JJ
39142	727	11	modern	modern	JJ
39142	727	12	methods	method	NNS
39142	727	13	of	of	IN
39142	727	14	ascertaining	ascertain	VBG
39142	727	15	the	the	DT
39142	727	16	distance	distance	NN
39142	727	17	of	of	IN
39142	727	18	the	the	DT
39142	727	19	sun	sun	NN
39142	727	20	.	.	.
39142	728	1	As	as	RB
39142	728	2	early	early	RB
39142	728	3	as	as	IN
39142	728	4	1880	1880	CD
39142	728	5	it	-PRON-	PRP
39142	728	6	enabled	enable	VBD
39142	728	7	the	the	DT
39142	728	8	writer	writer	NN
39142	728	9	to	to	TO
39142	728	10	calculate	calculate	VB
39142	728	11	the	the	DT
39142	728	12	sun	sun	NN
39142	728	13	's	's	POS
39142	728	14	parallax	parallax	NN
39142	728	15	equal	equal	JJ
39142	728	16	to	to	IN
39142	728	17	8".80	8".80	CD
39142	728	18	,	,	,
39142	728	19	a	a	DT
39142	728	20	value	value	NN
39142	728	21	absolutely	absolutely	RB
39142	728	22	identical	identical	JJ
39142	728	23	with	with	IN
39142	728	24	that	that	DT
39142	728	25	adopted	adopt	VBN
39142	728	26	by	by	IN
39142	728	27	the	the	DT
39142	728	28	Paris	Paris	NNP
39142	728	29	Conference	Conference	NNP
39142	728	30	of	of	IN
39142	728	31	1896	1896	CD
39142	728	32	,	,	,
39142	728	33	and	and	CC
39142	728	34	now	now	RB
39142	728	35	universally	universally	RB
39142	728	36	accepted	accept	VBN
39142	728	37	as	as	IN
39142	728	38	the	the	DT
39142	728	39	standard	standard	NN
39142	728	40	.	.	.
39142	729	1	In	in	IN
39142	729	2	whatever	whatever	WDT
39142	729	3	part	part	NN
39142	729	4	of	of	IN
39142	729	5	the	the	DT
39142	729	6	sky	sky	NN
39142	729	7	we	-PRON-	PRP
39142	729	8	observe	observe	VBP
39142	729	9	,	,	,
39142	729	10	every	every	DT
39142	729	11	star	star	NN
39142	729	12	is	be	VBZ
39142	729	13	affected	affect	VBN
39142	729	14	by	by	IN
39142	729	15	aberration	aberration	NN
39142	729	16	.	.	.
39142	730	1	At	at	IN
39142	730	2	the	the	DT
39142	730	3	poles	pole	NNS
39142	730	4	of	of	IN
39142	730	5	the	the	DT
39142	730	6	ecliptic	ecliptic	JJ
39142	730	7	,	,	,
39142	730	8	23	23	CD
39142	730	9	-	-	HYPH
39142	730	10	1/2	1/2	CD
39142	730	11	degrees	degree	NNS
39142	730	12	from	from	IN
39142	730	13	the	the	DT
39142	730	14	earth	earth	NN
39142	730	15	's	's	POS
39142	730	16	poles	pole	NNS
39142	730	17	,	,	,
39142	730	18	the	the	DT
39142	730	19	annual	annual	JJ
39142	730	20	aberration	aberration	NN
39142	730	21	orbits	orbit	NNS
39142	730	22	of	of	IN
39142	730	23	the	the	DT
39142	730	24	stars	star	NNS
39142	730	25	are	be	VBP
39142	730	26	very	very	RB
39142	730	27	small	small	JJ
39142	730	28	circles	circle	NNS
39142	730	29	,	,	,
39142	730	30	41	41	CD
39142	730	31	"	"	``
39142	730	32	in	in	IN
39142	730	33	diameter	diameter	NN
39142	730	34	.	.	.
39142	731	1	Toward	toward	IN
39142	731	2	the	the	DT
39142	731	3	ecliptic	ecliptic	JJ
39142	731	4	the	the	DT
39142	731	5	aberration	aberration	NN
39142	731	6	orbits	orbit	NNS
39142	731	7	become	become	VBP
39142	731	8	more	more	RBR
39142	731	9	and	and	CC
39142	731	10	more	more	RBR
39142	731	11	oval	oval	JJ
39142	731	12	,	,	,
39142	731	13	ellipses	ellipse	VBZ
39142	731	14	in	in	IN
39142	731	15	fact	fact	NN
39142	731	16	of	of	IN
39142	731	17	greater	great	JJR
39142	731	18	and	and	CC
39142	731	19	greater	great	JJR
39142	731	20	eccentricity	eccentricity	NN
39142	731	21	,	,	,
39142	731	22	but	but	CC
39142	731	23	with	with	IN
39142	731	24	their	-PRON-	PRP$
39142	731	25	major	major	JJ
39142	731	26	axes	axis	NNS
39142	731	27	all	all	DT
39142	731	28	of	of	IN
39142	731	29	the	the	DT
39142	731	30	same	same	JJ
39142	731	31	length	length	NN
39142	731	32	,	,	,
39142	731	33	until	until	IN
39142	731	34	we	-PRON-	PRP
39142	731	35	reach	reach	VBP
39142	731	36	the	the	DT
39142	731	37	ecliptic	ecliptic	NN
39142	731	38	itself	-PRON-	PRP
39142	731	39	;	;	:
39142	731	40	and	and	CC
39142	731	41	then	then	RB
39142	731	42	the	the	DT
39142	731	43	ellipse	ellipse	NN
39142	731	44	is	be	VBZ
39142	731	45	flattened	flatten	VBN
39142	731	46	into	into	IN
39142	731	47	a	a	DT
39142	731	48	straight	straight	JJ
39142	731	49	line	line	NN
39142	731	50	41	41	CD
39142	731	51	"	"	``
39142	731	52	in	in	IN
39142	731	53	length	length	NN
39142	731	54	,	,	,
39142	731	55	in	in	IN
39142	731	56	which	which	WDT
39142	731	57	the	the	DT
39142	731	58	star	star	NN
39142	731	59	travels	travel	VBZ
39142	731	60	forth	forth	RB
39142	731	61	and	and	CC
39142	731	62	back	back	RB
39142	731	63	once	once	IN
39142	731	64	a	a	DT
39142	731	65	year	year	NN
39142	731	66	.	.	.
39142	732	1	Exact	exact	JJ
39142	732	2	correspondence	correspondence	NN
39142	732	3	of	of	IN
39142	732	4	the	the	DT
39142	732	5	aberration	aberration	NN
39142	732	6	ellipses	ellipsis	NNS
39142	732	7	of	of	IN
39142	732	8	the	the	DT
39142	732	9	stars	star	NNS
39142	732	10	with	with	IN
39142	732	11	the	the	DT
39142	732	12	annual	annual	JJ
39142	732	13	motion	motion	NN
39142	732	14	of	of	IN
39142	732	15	the	the	DT
39142	732	16	earth	earth	NN
39142	732	17	round	round	IN
39142	732	18	the	the	DT
39142	732	19	sun	sun	NN
39142	732	20	affords	afford	VBZ
39142	732	21	indisputable	indisputable	JJ
39142	732	22	proof	proof	NN
39142	732	23	of	of	IN
39142	732	24	this	this	DT
39142	732	25	motion	motion	NN
39142	732	26	,	,	,
39142	732	27	and	and	CC
39142	732	28	as	as	IN
39142	732	29	every	every	DT
39142	732	30	star	star	NN
39142	732	31	partakes	partake	NNS
39142	732	32	of	of	IN
39142	732	33	the	the	DT
39142	732	34	movement	movement	NN
39142	732	35	,	,	,
39142	732	36	this	this	DT
39142	732	37	proof	proof	NN
39142	732	38	of	of	IN
39142	732	39	our	-PRON-	PRP$
39142	732	40	motion	motion	NN
39142	732	41	round	round	IN
39142	732	42	the	the	DT
39142	732	43	sun	sun	NN
39142	732	44	becomes	become	VBZ
39142	732	45	many	many	JJ
39142	732	46	million	million	CD
39142	732	47	-	-	RB
39142	732	48	fold	fold	RB
39142	732	49	.	.	.
39142	733	1	Indeed	indeed	RB
39142	733	2	,	,	,
39142	733	3	if	if	IN
39142	733	4	we	-PRON-	PRP
39142	733	5	were	be	VBD
39142	733	6	to	to	TO
39142	733	7	push	push	VB
39142	733	8	a	a	DT
39142	733	9	little	little	JJ
39142	733	10	farther	far	RBR
39142	733	11	the	the	DT
39142	733	12	refinement	refinement	NN
39142	733	13	of	of	IN
39142	733	14	our	-PRON-	PRP$
39142	733	15	analysis	analysis	NN
39142	733	16	of	of	IN
39142	733	17	the	the	DT
39142	733	18	effect	effect	NN
39142	733	19	of	of	IN
39142	733	20	aberration	aberration	NN
39142	733	21	on	on	IN
39142	733	22	stellar	stellar	JJ
39142	733	23	positions	position	NNS
39142	733	24	,	,	,
39142	733	25	we	-PRON-	PRP
39142	733	26	could	could	MD
39142	733	27	prove	prove	VB
39142	733	28	also	also	RB
39142	733	29	the	the	DT
39142	733	30	rotation	rotation	NN
39142	733	31	of	of	IN
39142	733	32	the	the	DT
39142	733	33	earth	earth	NN
39142	733	34	on	on	IN
39142	733	35	its	-PRON-	PRP$
39142	733	36	axis	axis	NN
39142	733	37	,	,	,
39142	733	38	because	because	IN
39142	733	39	that	that	DT
39142	733	40	motion	motion	NN
39142	733	41	is	be	VBZ
39142	733	42	swift	swift	JJ
39142	733	43	enough	enough	RB
39142	733	44	to	to	TO
39142	733	45	bear	bear	VB
39142	733	46	an	an	DT
39142	733	47	appreciable	appreciable	JJ
39142	733	48	ratio	ratio	NN
39142	733	49	to	to	IN
39142	733	50	the	the	DT
39142	733	51	velocity	velocity	NN
39142	733	52	of	of	IN
39142	733	53	light	light	NN
39142	733	54	.	.	.
39142	734	1	Diurnal	diurnal	JJ
39142	734	2	aberration	aberration	NN
39142	734	3	is	be	VBZ
39142	734	4	the	the	DT
39142	734	5	term	term	NN
39142	734	6	applied	apply	VBN
39142	734	7	to	to	IN
39142	734	8	this	this	DT
39142	734	9	slight	slight	JJ
39142	734	10	effect	effect	NN
39142	734	11	,	,	,
39142	734	12	and	and	CC
39142	734	13	as	as	IN
39142	734	14	every	every	DT
39142	734	15	star	star	NN
39142	734	16	partakes	partake	VBZ
39142	734	17	of	of	IN
39142	734	18	it	-PRON-	PRP
39142	734	19	,	,	,
39142	734	20	demonstration	demonstration	NN
39142	734	21	of	of	IN
39142	734	22	the	the	DT
39142	734	23	earth	earth	NN
39142	734	24	's	's	POS
39142	734	25	turning	turn	VBG
39142	734	26	round	round	NN
39142	734	27	on	on	IN
39142	734	28	its	-PRON-	PRP$
39142	734	29	axis	axis	NN
39142	734	30	becomes	become	VBZ
39142	734	31	many	many	JJ
39142	734	32	million	million	CD
39142	734	33	-	-	RB
39142	734	34	fold	fold	VB
39142	734	35	also	also	RB
39142	734	36	.	.	.
39142	735	1	CHAPTER	chapter	NN
39142	735	2	XVIII	xviii	VBP
39142	735	3	THE	the	DT
39142	735	4	TELESCOPE	telescope	NN
39142	735	5	Had	have	VBD
39142	735	6	anyone	anyone	NN
39142	735	7	told	tell	VBN
39142	735	8	Ptolemy	Ptolemy	NNP
39142	735	9	that	that	IN
39142	735	10	his	-PRON-	PRP$
39142	735	11	earth	earth	NN
39142	735	12	-	-	HYPH
39142	735	13	centered	center	VBN
39142	735	14	system	system	NN
39142	735	15	of	of	IN
39142	735	16	sun	sun	NN
39142	735	17	,	,	,
39142	735	18	moon	moon	NN
39142	735	19	,	,	,
39142	735	20	and	and	CC
39142	735	21	stars	star	NNS
39142	735	22	would	would	MD
39142	735	23	ultimately	ultimately	RB
39142	735	24	be	be	VB
39142	735	25	overthrown	overthrow	VBN
39142	735	26	,	,	,
39142	735	27	not	not	RB
39142	735	28	by	by	IN
39142	735	29	philosophy	philosophy	NN
39142	735	30	but	but	CC
39142	735	31	by	by	IN
39142	735	32	the	the	DT
39142	735	33	overwhelming	overwhelming	JJ
39142	735	34	evidence	evidence	NN
39142	735	35	furnished	furnish	VBN
39142	735	36	by	by	IN
39142	735	37	a	a	DT
39142	735	38	little	little	JJ
39142	735	39	optical	optical	JJ
39142	735	40	instrument	instrument	NN
39142	735	41	which	which	WDT
39142	735	42	so	so	RB
39142	735	43	aided	aid	VBD
39142	735	44	the	the	DT
39142	735	45	human	human	JJ
39142	735	46	eye	eye	NN
39142	735	47	that	that	IN
39142	735	48	it	-PRON-	PRP
39142	735	49	could	could	MD
39142	735	50	actually	actually	RB
39142	735	51	see	see	VB
39142	735	52	systems	system	NNS
39142	735	53	of	of	IN
39142	735	54	bodies	body	NNS
39142	735	55	in	in	IN
39142	735	56	revolution	revolution	NN
39142	735	57	round	round	IN
39142	735	58	each	each	DT
39142	735	59	other	other	JJ
39142	735	60	in	in	IN
39142	735	61	the	the	DT
39142	735	62	sky	sky	NN
39142	735	63	,	,	,
39142	735	64	he	-PRON-	PRP
39142	735	65	would	would	MD
39142	735	66	no	no	RB
39142	735	67	doubt	doubt	RB
39142	735	68	have	have	VB
39142	735	69	vehemently	vehemently	RB
39142	735	70	denied	deny	VBN
39142	735	71	that	that	IN
39142	735	72	any	any	DT
39142	735	73	such	such	JJ
39142	735	74	thing	thing	NN
39142	735	75	was	be	VBD
39142	735	76	possible	possible	JJ
39142	735	77	.	.	.
39142	736	1	To	to	TO
39142	736	2	be	be	VB
39142	736	3	sure	sure	JJ
39142	736	4	,	,	,
39142	736	5	it	-PRON-	PRP
39142	736	6	took	take	VBD
39142	736	7	fourteen	fourteen	CD
39142	736	8	centuries	century	NNS
39142	736	9	to	to	TO
39142	736	10	bring	bring	VB
39142	736	11	this	this	DT
39142	736	12	about	about	IN
39142	736	13	,	,	,
39142	736	14	and	and	CC
39142	736	15	the	the	DT
39142	736	16	discovery	discovery	NN
39142	736	17	even	even	RB
39142	736	18	then	then	RB
39142	736	19	was	be	VBD
39142	736	20	without	without	IN
39142	736	21	much	much	JJ
39142	736	22	doubt	doubt	NN
39142	736	23	due	due	JJ
39142	736	24	to	to	IN
39142	736	25	accident	accident	NN
39142	736	26	.	.	.
39142	737	1	Through	through	IN
39142	737	2	all	all	PDT
39142	737	3	this	this	DT
39142	737	4	long	long	JJ
39142	737	5	period	period	NN
39142	737	6	when	when	WRB
39142	737	7	astronomy	astronomy	NN
39142	737	8	may	may	MD
39142	737	9	be	be	VB
39142	737	10	said	say	VBN
39142	737	11	to	to	TO
39142	737	12	have	have	VB
39142	737	13	merely	merely	RB
39142	737	14	existed	exist	VBN
39142	737	15	,	,	,
39142	737	16	practically	practically	RB
39142	737	17	without	without	IN
39142	737	18	any	any	DT
39142	737	19	forward	forward	JJ
39142	737	20	step	step	NN
39142	737	21	or	or	CC
39142	737	22	development	development	NN
39142	737	23	,	,	,
39142	737	24	its	-PRON-	PRP$
39142	737	25	devotees	devotee	NNS
39142	737	26	were	be	VBD
39142	737	27	unequipped	unequippe	VBN
39142	737	28	with	with	IN
39142	737	29	the	the	DT
39142	737	30	sort	sort	NN
39142	737	31	of	of	IN
39142	737	32	instruments	instrument	NNS
39142	737	33	which	which	WDT
39142	737	34	were	be	VBD
39142	737	35	requisite	requisite	JJ
39142	737	36	to	to	TO
39142	737	37	make	make	VB
39142	737	38	the	the	DT
39142	737	39	advance	advance	NN
39142	737	40	possible	possible	JJ
39142	737	41	.	.	.
39142	738	1	There	there	EX
39142	738	2	were	be	VBD
39142	738	3	astrolabes	astrolabe	NNS
39142	738	4	and	and	CC
39142	738	5	armillary	armillary	JJ
39142	738	6	spheres	sphere	NNS
39142	738	7	,	,	,
39142	738	8	with	with	IN
39142	738	9	crudely	crudely	RB
39142	738	10	divided	divide	VBN
39142	738	11	circles	circle	NNS
39142	738	12	,	,	,
39142	738	13	and	and	CC
39142	738	14	the	the	DT
39142	738	15	excellent	excellent	JJ
39142	738	16	work	work	NN
39142	738	17	done	do	VBN
39142	738	18	with	with	IN
39142	738	19	them	-PRON-	PRP
39142	738	20	only	only	RB
39142	738	21	shows	show	VBZ
39142	738	22	the	the	DT
39142	738	23	genius	genius	NN
39142	738	24	of	of	IN
39142	738	25	many	many	JJ
39142	738	26	of	of	IN
39142	738	27	the	the	DT
39142	738	28	early	early	JJ
39142	738	29	astronomers	astronomer	NNS
39142	738	30	who	who	WP
39142	738	31	had	have	VBD
39142	738	32	nothing	nothing	NN
39142	738	33	better	well	JJR
39142	738	34	to	to	TO
39142	738	35	work	work	VB
39142	738	36	with	with	IN
39142	738	37	.	.	.
39142	739	1	Regarding	regard	VBG
39142	739	2	star	star	NN
39142	739	3	-	-	HYPH
39142	739	4	places	place	NNS
39142	739	5	made	make	VBN
39142	739	6	with	with	IN
39142	739	7	instruments	instrument	NNS
39142	739	8	fixed	fix	VBN
39142	739	9	in	in	IN
39142	739	10	the	the	DT
39142	739	11	meridian	meridian	NN
39142	739	12	,	,	,
39142	739	13	Bessel	Bessel	NNP
39142	739	14	,	,	,
39142	739	15	often	often	RB
39142	739	16	called	call	VBD
39142	739	17	the	the	DT
39142	739	18	father	father	NN
39142	739	19	of	of	IN
39142	739	20	practical	practical	JJ
39142	739	21	astronomy	astronomy	NNP
39142	739	22	,	,	,
39142	739	23	used	use	VBN
39142	739	24	to	to	TO
39142	739	25	say	say	VB
39142	739	26	that	that	IN
39142	739	27	,	,	,
39142	739	28	even	even	RB
39142	739	29	if	if	IN
39142	739	30	you	-PRON-	PRP
39142	739	31	provided	provide	VBD
39142	739	32	a	a	DT
39142	739	33	bad	bad	JJ
39142	739	34	observer	observer	NN
39142	739	35	with	with	IN
39142	739	36	the	the	DT
39142	739	37	best	good	JJS
39142	739	38	of	of	IN
39142	739	39	instruments	instrument	NNS
39142	739	40	,	,	,
39142	739	41	a	a	DT
39142	739	42	genius	genius	NN
39142	739	43	could	could	MD
39142	739	44	surpass	surpass	VB
39142	739	45	him	-PRON-	PRP
39142	739	46	with	with	IN
39142	739	47	a	a	DT
39142	739	48	gun	gun	NN
39142	739	49	barrel	barrel	NN
39142	739	50	and	and	CC
39142	739	51	a	a	DT
39142	739	52	cart	cart	NN
39142	739	53	wheel	wheel	NN
39142	739	54	.	.	.
39142	740	1	Before	before	IN
39142	740	2	the	the	DT
39142	740	3	days	day	NNS
39142	740	4	of	of	IN
39142	740	5	telescopes	telescope	NNS
39142	740	6	,	,	,
39142	740	7	that	that	RB
39142	740	8	is	is	RB
39142	740	9	,	,	,
39142	740	10	prior	prior	RB
39142	740	11	to	to	IN
39142	740	12	the	the	DT
39142	740	13	seventeenth	seventeenth	JJ
39142	740	14	century	century	NN
39142	740	15	,	,	,
39142	740	16	it	-PRON-	PRP
39142	740	17	was	be	VBD
39142	740	18	not	not	RB
39142	740	19	known	know	VBN
39142	740	20	whether	whether	IN
39142	740	21	any	any	DT
39142	740	22	of	of	IN
39142	740	23	the	the	DT
39142	740	24	planets	planet	NNS
39142	740	25	except	except	IN
39142	740	26	the	the	DT
39142	740	27	earth	earth	NN
39142	740	28	had	have	VBD
39142	740	29	a	a	DT
39142	740	30	moon	moon	NN
39142	740	31	or	or	CC
39142	740	32	not	not	RB
39142	740	33	;	;	:
39142	740	34	consequently	consequently	RB
39142	740	35	the	the	DT
39142	740	36	masses	masse	NNS
39142	740	37	of	of	IN
39142	740	38	these	these	DT
39142	740	39	planets	planet	NNS
39142	740	40	were	be	VBD
39142	740	41	but	but	CC
39142	740	42	very	very	RB
39142	740	43	imperfectly	imperfectly	RB
39142	740	44	ascertained	ascertained	JJ
39142	740	45	;	;	:
39142	740	46	the	the	DT
39142	740	47	phases	phase	NNS
39142	740	48	of	of	IN
39142	740	49	Mercury	Mercury	NNP
39142	740	50	and	and	CC
39142	740	51	Venus	Venus	NNP
39142	740	52	were	be	VBD
39142	740	53	merely	merely	RB
39142	740	54	conjectured	conjecture	VBN
39142	740	55	;	;	:
39142	740	56	what	what	WP
39142	740	57	were	be	VBD
39142	740	58	the	the	DT
39142	740	59	actual	actual	JJ
39142	740	60	dimensions	dimension	NNS
39142	740	61	of	of	IN
39142	740	62	the	the	DT
39142	740	63	planets	planet	NNS
39142	740	64	could	could	MD
39142	740	65	only	only	RB
39142	740	66	be	be	VB
39142	740	67	guessed	guess	VBN
39142	740	68	at	at	IN
39142	740	69	;	;	:
39142	740	70	the	the	DT
39142	740	71	approximate	approximate	JJ
39142	740	72	distances	distance	NNS
39142	740	73	of	of	IN
39142	740	74	sun	sun	NN
39142	740	75	,	,	,
39142	740	76	moon	moon	NN
39142	740	77	,	,	,
39142	740	78	and	and	CC
39142	740	79	planets	planet	NNS
39142	740	80	were	be	VBD
39142	740	81	little	little	RB
39142	740	82	better	well	JJR
39142	740	83	than	than	IN
39142	740	84	guesses	guess	NNS
39142	740	85	;	;	:
39142	740	86	the	the	DT
39142	740	87	distances	distance	NNS
39142	740	88	of	of	IN
39142	740	89	the	the	DT
39142	740	90	stars	star	NNS
39142	740	91	were	be	VBD
39142	740	92	wildly	wildly	RB
39142	740	93	inaccurate	inaccurate	JJ
39142	740	94	;	;	:
39142	740	95	and	and	CC
39142	740	96	the	the	DT
39142	740	97	positions	position	NNS
39142	740	98	of	of	IN
39142	740	99	the	the	DT
39142	740	100	stars	star	NNS
39142	740	101	on	on	IN
39142	740	102	the	the	DT
39142	740	103	celestial	celestial	JJ
39142	740	104	sphere	sphere	NN
39142	740	105	,	,	,
39142	740	106	and	and	CC
39142	740	107	of	of	IN
39142	740	108	sun	sun	NN
39142	740	109	,	,	,
39142	740	110	moon	moon	NN
39142	740	111	,	,	,
39142	740	112	and	and	CC
39142	740	113	planets	planet	NNS
39142	740	114	among	among	IN
39142	740	115	them	-PRON-	PRP
39142	740	116	were	be	VBD
39142	740	117	far	far	RB
39142	740	118	removed	remove	VBN
39142	740	119	from	from	IN
39142	740	120	modern	modern	JJ
39142	740	121	standards	standard	NNS
39142	740	122	of	of	IN
39142	740	123	precision	precision	NN
39142	740	124	--	--	:
39142	740	125	all	all	RB
39142	740	126	because	because	IN
39142	740	127	the	the	DT
39142	740	128	telescope	telescope	NN
39142	740	129	had	have	VBD
39142	740	130	not	not	RB
39142	740	131	yet	yet	RB
39142	740	132	become	become	VBN
39142	740	133	available	available	JJ
39142	740	134	as	as	IN
39142	740	135	an	an	DT
39142	740	136	optical	optical	JJ
39142	740	137	adjunct	adjunct	NN
39142	740	138	to	to	TO
39142	740	139	increase	increase	VB
39142	740	140	the	the	DT
39142	740	141	power	power	NN
39142	740	142	of	of	IN
39142	740	143	the	the	DT
39142	740	144	human	human	JJ
39142	740	145	eye	eye	NN
39142	740	146	and	and	CC
39142	740	147	enable	enable	VB
39142	740	148	it	-PRON-	PRP
39142	740	149	to	to	TO
39142	740	150	see	see	VB
39142	740	151	as	as	IN
39142	740	152	if	if	IN
39142	740	153	distances	distance	NNS
39142	740	154	were	be	VBD
39142	740	155	in	in	IN
39142	740	156	considerable	considerable	JJ
39142	740	157	measure	measure	NN
39142	740	158	annihilated	annihilate	VBN
39142	740	159	.	.	.
39142	741	1	Galileo	Galileo	NNP
39142	741	2	almost	almost	RB
39142	741	3	universally	universally	RB
39142	741	4	is	be	VBZ
39142	741	5	said	say	VBN
39142	741	6	to	to	TO
39142	741	7	have	have	VB
39142	741	8	been	be	VBN
39142	741	9	the	the	DT
39142	741	10	inventor	inventor	NN
39142	741	11	of	of	IN
39142	741	12	the	the	DT
39142	741	13	telescope	telescope	NN
39142	741	14	,	,	,
39142	741	15	but	but	CC
39142	741	16	intimate	intimate	JJ
39142	741	17	research	research	NN
39142	741	18	into	into	IN
39142	741	19	the	the	DT
39142	741	20	question	question	NN
39142	741	21	would	would	MD
39142	741	22	appear	appear	VB
39142	741	23	to	to	TO
39142	741	24	give	give	VB
39142	741	25	the	the	DT
39142	741	26	honor	honor	NN
39142	741	27	of	of	IN
39142	741	28	that	that	DT
39142	741	29	original	original	JJ
39142	741	30	invention	invention	NN
39142	741	31	to	to	IN
39142	741	32	another	another	DT
39142	741	33	,	,	,
39142	741	34	in	in	IN
39142	741	35	another	another	DT
39142	741	36	country	country	NN
39142	741	37	.	.	.
39142	742	1	What	what	WP
39142	742	2	Galileo	Galileo	NNP
39142	742	3	deserves	deserve	VBZ
39142	742	4	the	the	DT
39142	742	5	highest	high	JJS
39142	742	6	praise	praise	NN
39142	742	7	for	for	IN
39142	742	8	,	,	,
39142	742	9	however	however	RB
39142	742	10	,	,	,
39142	742	11	is	be	VBZ
39142	742	12	the	the	DT
39142	742	13	reinvention	reinvention	NN
39142	742	14	independently	independently	RB
39142	742	15	of	of	IN
39142	742	16	an	an	DT
39142	742	17	"	"	``
39142	742	18	optick	optick	JJ
39142	742	19	tube	tube	NN
39142	742	20	"	"	''
39142	742	21	by	by	IN
39142	742	22	which	which	WDT
39142	742	23	he	-PRON-	PRP
39142	742	24	could	could	MD
39142	742	25	bring	bring	VB
39142	742	26	distant	distant	JJ
39142	742	27	objects	object	NNS
39142	742	28	apparently	apparently	RB
39142	742	29	much	much	JJ
39142	742	30	nearer	nearer	NN
39142	742	31	to	to	IN
39142	742	32	him	-PRON-	PRP
39142	742	33	;	;	:
39142	742	34	and	and	CC
39142	742	35	being	be	VBG
39142	742	36	an	an	DT
39142	742	37	astronomer	astronomer	NN
39142	742	38	,	,	,
39142	742	39	he	-PRON-	PRP
39142	742	40	was	be	VBD
39142	742	41	by	by	IN
39142	742	42	universal	universal	NNP
39142	742	43	acknowledgment	acknowledgment	NNP
39142	742	44	first	first	RB
39142	742	45	of	of	IN
39142	742	46	all	all	DT
39142	742	47	men	man	NNS
39142	742	48	to	to	TO
39142	742	49	turn	turn	VB
39142	742	50	a	a	DT
39142	742	51	telescope	telescope	NN
39142	742	52	on	on	IN
39142	742	53	the	the	DT
39142	742	54	heavenly	heavenly	JJ
39142	742	55	bodies	body	NNS
39142	742	56	.	.	.
39142	743	1	This	this	DT
39142	743	2	was	be	VBD
39142	743	3	in	in	IN
39142	743	4	the	the	DT
39142	743	5	year	year	NN
39142	743	6	1609	1609	CD
39142	743	7	,	,	,
39142	743	8	and	and	CC
39142	743	9	his	-PRON-	PRP$
39142	743	10	first	first	JJ
39142	743	11	discovery	discovery	NN
39142	743	12	was	be	VBD
39142	743	13	the	the	DT
39142	743	14	phase	phase	NN
39142	743	15	of	of	IN
39142	743	16	Venus	Venus	NNP
39142	743	17	,	,	,
39142	743	18	his	-PRON-	PRP$
39142	743	19	second	second	JJ
39142	743	20	the	the	DT
39142	743	21	four	four	CD
39142	743	22	Medicean	medicean	JJ
39142	743	23	moons	moon	NNS
39142	743	24	or	or	CC
39142	743	25	satellites	satellite	NNS
39142	743	26	of	of	IN
39142	743	27	Jupiter	Jupiter	NNP
39142	743	28	,	,	,
39142	743	29	discoveries	discovery	NNS
39142	743	30	which	which	WDT
39142	743	31	at	at	IN
39142	743	32	that	that	DT
39142	743	33	epoch	epoch	NN
39142	743	34	were	be	VBD
39142	743	35	of	of	IN
39142	743	36	the	the	DT
39142	743	37	highest	high	JJS
39142	743	38	significance	significance	NN
39142	743	39	in	in	IN
39142	743	40	establishing	establish	VBG
39142	743	41	the	the	DT
39142	743	42	truth	truth	NN
39142	743	43	of	of	IN
39142	743	44	the	the	DT
39142	743	45	Copernican	copernican	JJ
39142	743	46	system	system	NN
39142	743	47	beyond	beyond	IN
39142	743	48	the	the	DT
39142	743	49	shadow	shadow	NN
39142	743	50	of	of	IN
39142	743	51	doubt	doubt	NN
39142	743	52	.	.	.
39142	744	1	But	but	CC
39142	744	2	the	the	DT
39142	744	3	first	first	JJ
39142	744	4	telescopes	telescope	NNS
39142	744	5	of	of	IN
39142	744	6	which	which	WDT
39142	744	7	we	-PRON-	PRP
39142	744	8	have	have	VBP
39142	744	9	record	record	NN
39142	744	10	were	be	VBD
39142	744	11	made	make	VBN
39142	744	12	,	,	,
39142	744	13	so	so	RB
39142	744	14	far	far	RB
39142	744	15	as	as	IN
39142	744	16	can	can	MD
39142	744	17	now	now	RB
39142	744	18	be	be	VB
39142	744	19	ascertained	ascertain	VBN
39142	744	20	,	,	,
39142	744	21	in	in	IN
39142	744	22	Holland	Holland	NNP
39142	744	23	very	very	RB
39142	744	24	early	early	RB
39142	744	25	in	in	IN
39142	744	26	the	the	DT
39142	744	27	17th	17th	JJ
39142	744	28	century	century	NN
39142	744	29	.	.	.
39142	745	1	Metius	Metius	NNP
39142	745	2	,	,	,
39142	745	3	a	a	DT
39142	745	4	professor	professor	NN
39142	745	5	of	of	IN
39142	745	6	mathematics	mathematic	NNS
39142	745	7	,	,	,
39142	745	8	and	and	CC
39142	745	9	Jansen	Jansen	NNP
39142	745	10	and	and	CC
39142	745	11	Lipperhey	Lipperhey	NNP
39142	745	12	,	,	,
39142	745	13	who	who	WP
39142	745	14	were	be	VBD
39142	745	15	opticians	optician	NNS
39142	745	16	in	in	IN
39142	745	17	Middelburg	Middelburg	NNP
39142	745	18	--	--	:
39142	745	19	all	all	DT
39142	745	20	three	three	CD
39142	745	21	are	be	VBP
39142	745	22	entitled	entitle	VBN
39142	745	23	to	to	IN
39142	745	24	consideration	consideration	NN
39142	745	25	as	as	IN
39142	745	26	claimants	claimant	NNS
39142	745	27	of	of	IN
39142	745	28	the	the	DT
39142	745	29	original	original	JJ
39142	745	30	invention	invention	NN
39142	745	31	of	of	IN
39142	745	32	the	the	DT
39142	745	33	telescope	telescope	NN
39142	745	34	.	.	.
39142	746	1	But	but	CC
39142	746	2	that	that	IN
39142	746	3	such	such	PDT
39142	746	4	an	an	DT
39142	746	5	instrument	instrument	NN
39142	746	6	was	be	VBD
39142	746	7	pretty	pretty	RB
39142	746	8	well	well	RB
39142	746	9	known	known	JJ
39142	746	10	would	would	MD
39142	746	11	appear	appear	VB
39142	746	12	to	to	TO
39142	746	13	be	be	VB
39142	746	14	shown	show	VBN
39142	746	15	by	by	IN
39142	746	16	his	-PRON-	PRP$
39142	746	17	government	government	NN
39142	746	18	's	's	POS
39142	746	19	refusal	refusal	NN
39142	746	20	of	of	IN
39142	746	21	a	a	DT
39142	746	22	patent	patent	NN
39142	746	23	to	to	IN
39142	746	24	Lipperhey	Lipperhey	NNP
39142	746	25	in	in	IN
39142	746	26	1608	1608	CD
39142	746	27	;	;	:
39142	746	28	while	while	IN
39142	746	29	the	the	DT
39142	746	30	officials	official	NNS
39142	746	31	recognizing	recognize	VBG
39142	746	32	the	the	DT
39142	746	33	value	value	NN
39142	746	34	of	of	IN
39142	746	35	such	such	PDT
39142	746	36	an	an	DT
39142	746	37	instrument	instrument	NN
39142	746	38	for	for	IN
39142	746	39	purposes	purpose	NNS
39142	746	40	of	of	IN
39142	746	41	war	war	NN
39142	746	42	,	,	,
39142	746	43	got	get	VBD
39142	746	44	him	-PRON-	PRP
39142	746	45	to	to	TO
39142	746	46	construct	construct	VB
39142	746	47	several	several	JJ
39142	746	48	telescopes	telescope	NNS
39142	746	49	and	and	CC
39142	746	50	ordered	order	VBD
39142	746	51	him	-PRON-	PRP
39142	746	52	to	to	TO
39142	746	53	keep	keep	VB
39142	746	54	the	the	DT
39142	746	55	invention	invention	NN
39142	746	56	a	a	DT
39142	746	57	secret	secret	NN
39142	746	58	.	.	.
39142	747	1	Within	within	IN
39142	747	2	a	a	DT
39142	747	3	year	year	NN
39142	747	4	Galileo	Galileo	NNP
39142	747	5	heard	hear	VBD
39142	747	6	that	that	IN
39142	747	7	an	an	DT
39142	747	8	instrument	instrument	NN
39142	747	9	was	be	VBD
39142	747	10	in	in	IN
39142	747	11	use	use	NN
39142	747	12	in	in	IN
39142	747	13	Holland	Holland	NNP
39142	747	14	by	by	IN
39142	747	15	which	which	WDT
39142	747	16	it	-PRON-	PRP
39142	747	17	was	be	VBD
39142	747	18	possible	possible	JJ
39142	747	19	to	to	TO
39142	747	20	see	see	VB
39142	747	21	distant	distant	JJ
39142	747	22	objects	object	NNS
39142	747	23	as	as	IN
39142	747	24	if	if	IN
39142	747	25	near	near	RB
39142	747	26	at	at	IN
39142	747	27	hand	hand	NN
39142	747	28	.	.	.
39142	748	1	Skilled	skilled	JJ
39142	748	2	in	in	IN
39142	748	3	optics	optic	NNS
39142	748	4	as	as	IN
39142	748	5	he	-PRON-	PRP
39142	748	6	was	be	VBD
39142	748	7	,	,	,
39142	748	8	the	the	DT
39142	748	9	reinvention	reinvention	NN
39142	748	10	was	be	VBD
39142	748	11	a	a	DT
39142	748	12	task	task	NN
39142	748	13	neither	neither	CC
39142	748	14	long	long	JJ
39142	748	15	nor	nor	CC
39142	748	16	difficult	difficult	JJ
39142	748	17	for	for	IN
39142	748	18	him	-PRON-	PRP
39142	748	19	.	.	.
39142	749	1	One	one	CD
39142	749	2	of	of	IN
39142	749	3	his	-PRON-	PRP$
39142	749	4	first	first	JJ
39142	749	5	instruments	instrument	NNS
39142	749	6	magnified	magnify	VBN
39142	749	7	but	but	CC
39142	749	8	three	three	CD
39142	749	9	times	time	NNS
39142	749	10	;	;	:
39142	749	11	still	still	RB
39142	749	12	it	-PRON-	PRP
39142	749	13	made	make	VBD
39142	749	14	a	a	DT
39142	749	15	great	great	JJ
39142	749	16	sensation	sensation	NN
39142	749	17	in	in	IN
39142	749	18	Venice	Venice	NNP
39142	749	19	where	where	WRB
39142	749	20	he	-PRON-	PRP
39142	749	21	exhibited	exhibit	VBD
39142	749	22	the	the	DT
39142	749	23	little	little	JJ
39142	749	24	tube	tube	NN
39142	749	25	to	to	IN
39142	749	26	the	the	DT
39142	749	27	authorities	authority	NNS
39142	749	28	of	of	IN
39142	749	29	that	that	DT
39142	749	30	city	city	NN
39142	749	31	,	,	,
39142	749	32	in	in	IN
39142	749	33	which	which	WDT
39142	749	34	he	-PRON-	PRP
39142	749	35	first	first	RB
39142	749	36	invented	invent	VBD
39142	749	37	it	-PRON-	PRP
39142	749	38	.	.	.
39142	750	1	Galileo	Galileo	NNP
39142	750	2	's	's	POS
39142	750	3	telescope	telescope	NN
39142	750	4	was	be	VBD
39142	750	5	of	of	IN
39142	750	6	the	the	DT
39142	750	7	simplest	simple	JJS
39142	750	8	type	type	NN
39142	750	9	,	,	,
39142	750	10	with	with	IN
39142	750	11	but	but	CC
39142	750	12	two	two	CD
39142	750	13	lenses	lense	NNS
39142	750	14	;	;	:
39142	750	15	the	the	DT
39142	750	16	one	one	NN
39142	750	17	a	a	DT
39142	750	18	double	double	JJ
39142	750	19	convex	convex	NNP
39142	750	20	lens	lens	NN
39142	750	21	with	with	IN
39142	750	22	which	which	WDT
39142	750	23	an	an	DT
39142	750	24	image	image	NN
39142	750	25	of	of	IN
39142	750	26	the	the	DT
39142	750	27	distant	distant	JJ
39142	750	28	object	object	NN
39142	750	29	is	be	VBZ
39142	750	30	formed	form	VBN
39142	750	31	,	,	,
39142	750	32	the	the	DT
39142	750	33	other	other	JJ
39142	750	34	a	a	DT
39142	750	35	double	double	JJ
39142	750	36	concave	concave	NNP
39142	750	37	lens	lens	NN
39142	750	38	,	,	,
39142	750	39	much	much	RB
39142	750	40	smaller	small	JJR
39142	750	41	which	which	WDT
39142	750	42	was	be	VBD
39142	750	43	the	the	DT
39142	750	44	eye	eye	NN
39142	750	45	-	-	HYPH
39142	750	46	lens	lens	NN
39142	750	47	for	for	IN
39142	750	48	examining	examine	VBG
39142	750	49	the	the	DT
39142	750	50	image	image	NN
39142	750	51	.	.	.
39142	751	1	It	-PRON-	PRP
39142	751	2	is	be	VBZ
39142	751	3	this	this	DT
39142	751	4	simple	simple	JJ
39142	751	5	form	form	NN
39142	751	6	of	of	IN
39142	751	7	Galilean	Galilean	NNP
39142	751	8	telescope	telescope	NN
39142	751	9	that	that	WDT
39142	751	10	is	be	VBZ
39142	751	11	still	still	RB
39142	751	12	used	use	VBN
39142	751	13	in	in	IN
39142	751	14	opera	opera	NN
39142	751	15	glasses	glass	NNS
39142	751	16	and	and	CC
39142	751	17	field	field	NN
39142	751	18	glasses	glass	NNS
39142	751	19	,	,	,
39142	751	20	because	because	IN
39142	751	21	of	of	IN
39142	751	22	the	the	DT
39142	751	23	shorter	short	JJR
39142	751	24	tube	tube	NN
39142	751	25	necessary	necessary	JJ
39142	751	26	.	.	.
39142	752	1	Galileo	Galileo	NNP
39142	752	2	carried	carry	VBD
39142	752	3	on	on	IN
39142	752	4	the	the	DT
39142	752	5	construction	construction	NN
39142	752	6	of	of	IN
39142	752	7	telescopes	telescope	NNS
39142	752	8	,	,	,
39142	752	9	all	all	PDT
39142	752	10	the	the	DT
39142	752	11	time	time	NN
39142	752	12	improving	improve	VBG
39142	752	13	their	-PRON-	PRP$
39142	752	14	quality	quality	NN
39142	752	15	and	and	CC
39142	752	16	enlarging	enlarge	VBG
39142	752	17	their	-PRON-	PRP$
39142	752	18	power	power	NN
39142	752	19	until	until	IN
39142	752	20	he	-PRON-	PRP
39142	752	21	built	build	VBD
39142	752	22	one	one	CD
39142	752	23	that	that	WDT
39142	752	24	magnified	magnify	VBD
39142	752	25	thirty	thirty	CD
39142	752	26	times	time	NNS
39142	752	27	.	.	.
39142	753	1	What	what	WP
39142	753	2	the	the	DT
39142	753	3	diameter	diameter	NN
39142	753	4	of	of	IN
39142	753	5	the	the	DT
39142	753	6	object	object	NN
39142	753	7	glass	glass	NN
39142	753	8	was	be	VBD
39142	753	9	we	-PRON-	PRP
39142	753	10	do	do	VBP
39142	753	11	not	not	RB
39142	753	12	know	know	VB
39142	753	13	,	,	,
39142	753	14	perhaps	perhaps	RB
39142	753	15	two	two	CD
39142	753	16	inches	inch	NNS
39142	753	17	or	or	CC
39142	753	18	possibly	possibly	RB
39142	753	19	a	a	DT
39142	753	20	little	little	JJ
39142	753	21	more	more	JJR
39142	753	22	.	.	.
39142	754	1	Glass	glass	NN
39142	754	2	of	of	IN
39142	754	3	a	a	DT
39142	754	4	quality	quality	NN
39142	754	5	good	good	JJ
39142	754	6	enough	enough	RB
39142	754	7	to	to	TO
39142	754	8	make	make	VB
39142	754	9	a	a	DT
39142	754	10	telescope	telescope	NN
39142	754	11	of	of	IN
39142	754	12	can	can	MD
39142	754	13	not	not	RB
39142	754	14	have	have	VB
39142	754	15	been	be	VBN
39142	754	16	abundant	abundant	JJ
39142	754	17	or	or	CC
39142	754	18	even	even	RB
39142	754	19	obtainable	obtainable	JJ
39142	754	20	except	except	IN
39142	754	21	with	with	IN
39142	754	22	great	great	JJ
39142	754	23	difficulty	difficulty	NN
39142	754	24	in	in	IN
39142	754	25	those	those	DT
39142	754	26	early	early	JJ
39142	754	27	days	day	NNS
39142	754	28	.	.	.
39142	755	1	Other	other	JJ
39142	755	2	discoveries	discovery	NNS
39142	755	3	by	by	IN
39142	755	4	this	this	DT
39142	755	5	first	first	JJ
39142	755	6	of	of	IN
39142	755	7	celestial	celestial	JJ
39142	755	8	observers	observer	NNS
39142	755	9	were	be	VBD
39142	755	10	the	the	DT
39142	755	11	spots	spot	NNS
39142	755	12	on	on	IN
39142	755	13	the	the	DT
39142	755	14	sun	sun	NN
39142	755	15	,	,	,
39142	755	16	the	the	DT
39142	755	17	larger	large	JJR
39142	755	18	mountains	mountain	NNS
39142	755	19	of	of	IN
39142	755	20	the	the	DT
39142	755	21	moon	moon	NN
39142	755	22	,	,	,
39142	755	23	the	the	DT
39142	755	24	separate	separate	JJ
39142	755	25	stars	star	NNS
39142	755	26	of	of	IN
39142	755	27	which	which	WDT
39142	755	28	the	the	DT
39142	755	29	Milky	Milky	NNP
39142	755	30	Way	Way	NNP
39142	755	31	is	be	VBZ
39142	755	32	composed	compose	VBN
39142	755	33	,	,	,
39142	755	34	and	and	CC
39142	755	35	,	,	,
39142	755	36	greatest	great	JJS
39142	755	37	wonder	wonder	NN
39142	755	38	of	of	IN
39142	755	39	all	all	DT
39142	755	40	,	,	,
39142	755	41	the	the	DT
39142	755	42	anomalous	anomalous	JJ
39142	755	43	"	"	``
39142	755	44	handles	handle	NNS
39142	755	45	"	"	''
39142	755	46	(	(	-LRB-
39142	755	47	_	_	NNP
39142	755	48	ansæ	ansæ	NNS
39142	755	49	_	_	NNP
39142	755	50	,	,	,
39142	755	51	he	-PRON-	PRP
39142	755	52	called	call	VBD
39142	755	53	them	-PRON-	PRP
39142	755	54	)	)	-RRB-
39142	755	55	of	of	IN
39142	755	56	Saturn	Saturn	NNP
39142	755	57	,	,	,
39142	755	58	which	which	WDT
39142	755	59	we	-PRON-	PRP
39142	755	60	now	now	RB
39142	755	61	know	know	VBP
39142	755	62	as	as	IN
39142	755	63	the	the	DT
39142	755	64	planet	planet	NN
39142	755	65	's	's	POS
39142	755	66	ring	ring	NN
39142	755	67	,	,	,
39142	755	68	the	the	DT
39142	755	69	most	most	RBS
39142	755	70	wonderful	wonderful	JJ
39142	755	71	of	of	IN
39142	755	72	all	all	PDT
39142	755	73	the	the	DT
39142	755	74	bodies	body	NNS
39142	755	75	in	in	IN
39142	755	76	the	the	DT
39142	755	77	sky	sky	NN
39142	755	78	.	.	.
39142	756	1	Since	since	IN
39142	756	2	Galileo	Galileo	NNP
39142	756	3	's	's	POS
39142	756	4	time	time	NN
39142	756	5	,	,	,
39142	756	6	only	only	RB
39142	756	7	three	three	CD
39142	756	8	centuries	century	NNS
39142	756	9	past	past	JJ
39142	756	10	,	,	,
39142	756	11	the	the	DT
39142	756	12	progress	progress	NN
39142	756	13	in	in	IN
39142	756	14	size	size	NN
39142	756	15	and	and	CC
39142	756	16	improvement	improvement	NN
39142	756	17	in	in	IN
39142	756	18	quality	quality	NN
39142	756	19	of	of	IN
39142	756	20	the	the	DT
39142	756	21	telescope	telescope	NN
39142	756	22	have	have	VBP
39142	756	23	been	be	VBN
39142	756	24	marvelous	marvelous	JJ
39142	756	25	.	.	.
39142	757	1	And	and	CC
39142	757	2	this	this	DT
39142	757	3	advance	advance	NN
39142	757	4	would	would	MD
39142	757	5	not	not	RB
39142	757	6	have	have	VB
39142	757	7	been	be	VBN
39142	757	8	possible	possible	JJ
39142	757	9	except	except	IN
39142	757	10	for	for	IN
39142	757	11	,	,	,
39142	757	12	first	first	RB
39142	757	13	,	,	,
39142	757	14	the	the	DT
39142	757	15	discoveries	discovery	NNS
39142	757	16	still	still	RB
39142	757	17	kept	keep	VBD
39142	757	18	in	in	IN
39142	757	19	large	large	JJ
39142	757	20	part	part	NN
39142	757	21	secret	secret	JJ
39142	757	22	by	by	IN
39142	757	23	the	the	DT
39142	757	24	makers	maker	NNS
39142	757	25	of	of	IN
39142	757	26	optical	optical	JJ
39142	757	27	glass	glass	NN
39142	757	28	which	which	WDT
39142	757	29	have	have	VBP
39142	757	30	enabled	enable	VBN
39142	757	31	them	-PRON-	PRP
39142	757	32	to	to	TO
39142	757	33	make	make	VB
39142	757	34	disks	disk	NNS
39142	757	35	of	of	IN
39142	757	36	the	the	DT
39142	757	37	largest	large	JJS
39142	757	38	size	size	NN
39142	757	39	;	;	:
39142	757	40	second	second	LS
39142	757	41	,	,	,
39142	757	42	the	the	DT
39142	757	43	consummate	consummate	JJ
39142	757	44	skill	skill	NN
39142	757	45	of	of	IN
39142	757	46	modern	modern	JJ
39142	757	47	opticians	optician	NNS
39142	757	48	in	in	IN
39142	757	49	fashioning	fashion	VBG
39142	757	50	these	these	DT
39142	757	51	disks	disk	NNS
39142	757	52	into	into	IN
39142	757	53	perfect	perfect	JJ
39142	757	54	lenses	lense	NNS
39142	757	55	;	;	:
39142	757	56	and	and	CC
39142	757	57	third	third	RB
39142	757	58	,	,	,
39142	757	59	the	the	DT
39142	757	60	progress	progress	NN
39142	757	61	in	in	IN
39142	757	62	the	the	DT
39142	757	63	mechanical	mechanical	JJ
39142	757	64	arts	art	NNS
39142	757	65	and	and	CC
39142	757	66	engineering	engineering	NN
39142	757	67	,	,	,
39142	757	68	by	by	IN
39142	757	69	which	which	WDT
39142	757	70	telescope	telescope	NN
39142	757	71	tubes	tube	NNS
39142	757	72	of	of	IN
39142	757	73	many	many	JJ
39142	757	74	tons	ton	NNS
39142	757	75	'	'	POS
39142	757	76	weight	weight	NN
39142	757	77	are	be	VBP
39142	757	78	mounted	mount	VBN
39142	757	79	or	or	CC
39142	757	80	poised	poise	VBN
39142	757	81	so	so	RB
39142	757	82	delicately	delicately	RB
39142	757	83	that	that	IN
39142	757	84	the	the	DT
39142	757	85	thrust	thrust	NN
39142	757	86	of	of	IN
39142	757	87	a	a	DT
39142	757	88	finger	finger	NN
39142	757	89	readily	readily	RB
39142	757	90	swerves	swerve	VBZ
39142	757	91	them	-PRON-	PRP
39142	757	92	from	from	IN
39142	757	93	one	one	CD
39142	757	94	point	point	NN
39142	757	95	of	of	IN
39142	757	96	the	the	DT
39142	757	97	heavens	heavens	NNPS
39142	757	98	to	to	IN
39142	757	99	another	another	DT
39142	757	100	.	.	.
39142	758	1	As	as	IN
39142	758	2	the	the	DT
39142	758	3	telescope	telescope	NN
39142	758	4	is	be	VBZ
39142	758	5	the	the	DT
39142	758	6	most	most	RBS
39142	758	7	important	important	JJ
39142	758	8	of	of	IN
39142	758	9	all	all	DT
39142	758	10	astronomical	astronomical	JJ
39142	758	11	instruments	instrument	NNS
39142	758	12	,	,	,
39142	758	13	it	-PRON-	PRP
39142	758	14	is	be	VBZ
39142	758	15	necessary	necessary	JJ
39142	758	16	to	to	TO
39142	758	17	understand	understand	VB
39142	758	18	its	-PRON-	PRP$
39142	758	19	construction	construction	NN
39142	758	20	and	and	CC
39142	758	21	adjustment	adjustment	NN
39142	758	22	and	and	CC
39142	758	23	how	how	WRB
39142	758	24	the	the	DT
39142	758	25	astronomer	astronomer	NN
39142	758	26	uses	use	VBZ
39142	758	27	it	-PRON-	PRP
39142	758	28	.	.	.
39142	759	1	Telescopes	telescope	NNS
39142	759	2	are	be	VBP
39142	759	3	optical	optical	JJ
39142	759	4	instruments	instrument	NNS
39142	759	5	,	,	,
39142	759	6	and	and	CC
39142	759	7	nothing	nothing	NN
39142	759	8	but	but	IN
39142	759	9	optical	optical	JJ
39142	759	10	parts	part	NNS
39142	759	11	would	would	MD
39142	759	12	be	be	VB
39142	759	13	requisite	requisite	JJ
39142	759	14	in	in	IN
39142	759	15	making	make	VBG
39142	759	16	them	-PRON-	PRP
39142	759	17	,	,	,
39142	759	18	if	if	IN
39142	759	19	only	only	RB
39142	759	20	the	the	DT
39142	759	21	optical	optical	JJ
39142	759	22	conditions	condition	NNS
39142	759	23	of	of	IN
39142	759	24	their	-PRON-	PRP$
39142	759	25	perfect	perfect	JJ
39142	759	26	working	working	NN
39142	759	27	could	could	MD
39142	759	28	be	be	VB
39142	759	29	obtained	obtain	VBN
39142	759	30	without	without	IN
39142	759	31	other	other	JJ
39142	759	32	mechanical	mechanical	JJ
39142	759	33	accessories	accessory	NNS
39142	759	34	.	.	.
39142	760	1	In	in	IN
39142	760	2	original	original	JJ
39142	760	3	principle	principle	NN
39142	760	4	,	,	,
39142	760	5	all	all	DT
39142	760	6	telescopes	telescope	NNS
39142	760	7	are	be	VBP
39142	760	8	as	as	RB
39142	760	9	simple	simple	JJ
39142	760	10	as	as	IN
39142	760	11	Galileo	Galileo	NNP
39142	760	12	's	's	POS
39142	760	13	;	;	:
39142	760	14	first	first	RB
39142	760	15	,	,	,
39142	760	16	an	an	DT
39142	760	17	object	object	NN
39142	760	18	glass	glass	NN
39142	760	19	to	to	TO
39142	760	20	form	form	VB
39142	760	21	the	the	DT
39142	760	22	image	image	NN
39142	760	23	of	of	IN
39142	760	24	the	the	DT
39142	760	25	distant	distant	JJ
39142	760	26	object	object	NN
39142	760	27	;	;	:
39142	760	28	second	second	JJ
39142	760	29	the	the	DT
39142	760	30	eyepiece	eyepiece	NN
39142	760	31	usually	usually	RB
39142	760	32	made	make	VBN
39142	760	33	of	of	IN
39142	760	34	two	two	CD
39142	760	35	lenses	lense	NNS
39142	760	36	,	,	,
39142	760	37	but	but	CC
39142	760	38	really	really	RB
39142	760	39	a	a	DT
39142	760	40	microscope	microscope	NN
39142	760	41	,	,	,
39142	760	42	to	to	TO
39142	760	43	magnify	magnify	VB
39142	760	44	that	that	DT
39142	760	45	image	image	NN
39142	760	46	,	,	,
39142	760	47	and	and	CC
39142	760	48	working	work	VBG
39142	760	49	in	in	IN
39142	760	50	the	the	DT
39142	760	51	same	same	JJ
39142	760	52	way	way	NN
39142	760	53	that	that	WDT
39142	760	54	any	any	DT
39142	760	55	microscope	microscope	NN
39142	760	56	magnifies	magnify	VBZ
39142	760	57	an	an	DT
39142	760	58	object	object	NN
39142	760	59	close	close	JJ
39142	760	60	at	at	IN
39142	760	61	hand	hand	NN
39142	760	62	;	;	:
39142	760	63	and	and	CC
39142	760	64	third	third	RB
39142	760	65	,	,	,
39142	760	66	a	a	DT
39142	760	67	tube	tube	NN
39142	760	68	to	to	TO
39142	760	69	hold	hold	VB
39142	760	70	all	all	PDT
39142	760	71	the	the	DT
39142	760	72	necessary	necessary	JJ
39142	760	73	lenses	lense	NNS
39142	760	74	in	in	IN
39142	760	75	the	the	DT
39142	760	76	true	true	JJ
39142	760	77	relative	relative	JJ
39142	760	78	positions	position	NNS
39142	760	79	.	.	.
39142	761	1	[	[	-LRB-
39142	761	2	Illustration	illustration	NN
39142	761	3	:	:	:
39142	761	4	THE	the	DT
39142	761	5	100-INCH	100-INCH	NNP
39142	761	6	HOOKER	HOOKER	NNP
39142	761	7	TELESCOPE	TELESCOPE	NNP
39142	761	8	,	,	,
39142	761	9	LARGEST	LARGEST	NNP
39142	761	10	REFLECTOR	REFLECTOR	NNP
39142	761	11	IN	in	IN
39142	761	12	THE	the	DT
39142	761	13	WORLD	world	NN
39142	761	14	,	,	,
39142	761	15	ON	on	IN
39142	761	16	MT	MT	NNP
39142	761	17	.	.	.
39142	762	1	WILSON	wilson	UH
39142	762	2	.	.	.
39142	763	1	(	(	-LRB-
39142	763	2	_	_	NNP
39142	763	3	Photo	Photo	NNP
39142	763	4	,	,	,
39142	763	5	Mt.	Mount	NNP
39142	764	1	Wilson	Wilson	NNP
39142	764	2	Solar	Solar	NNP
39142	764	3	Observatory	Observatory	NNP
39142	764	4	.	.	.
39142	764	5	_	_	NNP
39142	764	6	)	)	-RRB-
39142	764	7	]	]	-RRB-
39142	764	8	[	[	-LRB-
39142	764	9	Illustration	illustration	NN
39142	764	10	:	:	:
39142	764	11	THE	the	DT
39142	764	12	LARGEST	LARGEST	NNP
39142	764	13	REFRACTOR	REFRACTOR	NNS
39142	764	14	,	,	,
39142	764	15	THE	the	DT
39142	764	16	40-INCH	40-INCH	NNP
39142	764	17	TELESCOPE	TELESCOPE	NNP
39142	764	18	AT	at	IN
39142	764	19	YERKES	YERKES	NNP
39142	764	20	OBSERVATORY	OBSERVATORY	NNP
39142	764	21	.	.	.
39142	765	1	DOME	DOME	NNP
39142	765	2	90	90	CD
39142	765	3	FT	FT	NNP
39142	765	4	.	.	.
39142	766	1	IN	in	IN
39142	766	2	DIAMETER	DIAMETER	NNP
39142	766	3	.	.	.
39142	767	1	(	(	-LRB-
39142	767	2	_	_	NNP
39142	767	3	Photo	Photo	NNP
39142	767	4	,	,	,
39142	767	5	Yerkes	Yerkes	NNP
39142	767	6	Observatory	Observatory	NNP
39142	767	7	.	.	.
39142	767	8	_	_	NNP
39142	767	9	)	)	-RRB-
39142	767	10	]	]	-RRB-
39142	767	11	[	[	-LRB-
39142	767	12	Illustration	illustration	NN
39142	767	13	:	:	:
39142	767	14	THE	the	DT
39142	767	15	150-FT	150-ft	CD
39142	767	16	.	.	.
39142	767	17	TOWER	TOWER	NNP
39142	767	18	AT	at	IN
39142	767	19	THE	the	DT
39142	767	20	MT	MT	NNP
39142	767	21	.	.	.
39142	768	1	WILSON	WILSON	NNP
39142	768	2	SOLAR	SOLAR	NNP
39142	768	3	OBSERVATORY	observatory	RB
39142	768	4	.	.	.
39142	769	1	At	at	IN
39142	769	2	the	the	DT
39142	769	3	left	left	NN
39142	769	4	is	be	VBZ
39142	769	5	a	a	DT
39142	769	6	diagram	diagram	NN
39142	769	7	of	of	IN
39142	769	8	tower	tower	NN
39142	769	9	,	,	,
39142	769	10	telescope	telescope	NN
39142	769	11	and	and	CC
39142	769	12	pit	pit	NN
39142	769	13	.	.	.
39142	770	1	At	at	IN
39142	770	2	the	the	DT
39142	770	3	upper	upper	JJ
39142	770	4	right	right	NN
39142	770	5	is	be	VBZ
39142	770	6	an	an	DT
39142	770	7	exterior	exterior	JJ
39142	770	8	view	view	NN
39142	770	9	of	of	IN
39142	770	10	the	the	DT
39142	770	11	tower	tower	NN
39142	770	12	;	;	:
39142	770	13	below	below	IN
39142	770	14	a	a	DT
39142	770	15	view	view	NN
39142	770	16	looking	look	VBG
39142	770	17	down	down	RP
39142	770	18	into	into	IN
39142	770	19	the	the	DT
39142	770	20	pit	pit	NN
39142	770	21	,	,	,
39142	770	22	75	75	CD
39142	770	23	ft	ft	NN
39142	770	24	.	.	NN
39142	770	25	deep	deep	JJ
39142	770	26	.	.	.
39142	771	1	(	(	-LRB-
39142	771	2	_	_	NNP
39142	771	3	Photo	Photo	NNP
39142	771	4	,	,	,
39142	771	5	Mt.	Mount	NNP
39142	772	1	Wilson	Wilson	NNP
39142	772	2	Solar	Solar	NNP
39142	772	3	Observatory	Observatory	NNP
39142	772	4	.	.	.
39142	772	5	_	_	NNP
39142	772	6	)	)	-RRB-
39142	772	7	]	]	-RRB-
39142	772	8	The	the	DT
39142	772	9	focal	focal	JJ
39142	772	10	lengths	length	NNS
39142	772	11	of	of	IN
39142	772	12	object	object	NN
39142	772	13	glass	glass	NN
39142	772	14	and	and	CC
39142	772	15	eyepiece	eyepiece	NN
39142	772	16	will	will	MD
39142	772	17	determine	determine	VB
39142	772	18	just	just	RB
39142	772	19	what	what	WP
39142	772	20	distance	distance	NN
39142	772	21	apart	apart	IN
39142	772	22	the	the	DT
39142	772	23	lenses	lense	NNS
39142	772	24	must	must	MD
39142	772	25	be	be	VB
39142	772	26	in	in	IN
39142	772	27	order	order	NN
39142	772	28	to	to	TO
39142	772	29	give	give	VB
39142	772	30	perfect	perfect	JJ
39142	772	31	vision	vision	NN
39142	772	32	.	.	.
39142	773	1	But	but	CC
39142	773	2	it	-PRON-	PRP
39142	773	3	is	be	VBZ
39142	773	4	quite	quite	RB
39142	773	5	as	as	RB
39142	773	6	important	important	JJ
39142	773	7	that	that	IN
39142	773	8	the	the	DT
39142	773	9	axes	axis	NNS
39142	773	10	of	of	IN
39142	773	11	all	all	PDT
39142	773	12	the	the	DT
39142	773	13	lenses	lense	NNS
39142	773	14	be	be	VB
39142	773	15	adjusted	adjust	VBN
39142	773	16	into	into	IN
39142	773	17	one	one	CD
39142	773	18	and	and	CC
39142	773	19	the	the	DT
39142	773	20	same	same	JJ
39142	773	21	straight	straight	JJ
39142	773	22	line	line	NN
39142	773	23	,	,	,
39142	773	24	and	and	CC
39142	773	25	then	then	RB
39142	773	26	held	hold	VBN
39142	773	27	there	there	RB
39142	773	28	rigidly	rigidly	RB
39142	773	29	and	and	CC
39142	773	30	permanently	permanently	RB
39142	773	31	.	.	.
39142	774	1	Otherwise	otherwise	RB
39142	774	2	vision	vision	NN
39142	774	3	with	with	IN
39142	774	4	the	the	DT
39142	774	5	telescope	telescope	NN
39142	774	6	will	will	MD
39142	774	7	be	be	VB
39142	774	8	very	very	RB
39142	774	9	imperfect	imperfect	JJ
39142	774	10	and	and	CC
39142	774	11	wholly	wholly	RB
39142	774	12	unsatisfactory	unsatisfactory	JJ
39142	774	13	.	.	.
39142	775	1	The	the	DT
39142	775	2	distance	distance	NN
39142	775	3	from	from	IN
39142	775	4	the	the	DT
39142	775	5	objective	objective	NN
39142	775	6	,	,	,
39142	775	7	or	or	CC
39142	775	8	object	object	VB
39142	775	9	glass	glass	NN
39142	775	10	to	to	IN
39142	775	11	its	-PRON-	PRP$
39142	775	12	focal	focal	JJ
39142	775	13	point	point	NN
39142	775	14	is	be	VBZ
39142	775	15	called	call	VBN
39142	775	16	its	-PRON-	PRP$
39142	775	17	focal	focal	JJ
39142	775	18	length	length	NN
39142	775	19	;	;	:
39142	775	20	and	and	CC
39142	775	21	if	if	IN
39142	775	22	we	-PRON-	PRP
39142	775	23	divide	divide	VBP
39142	775	24	this	this	DT
39142	775	25	by	by	IN
39142	775	26	the	the	DT
39142	775	27	focal	focal	JJ
39142	775	28	length	length	NN
39142	775	29	of	of	IN
39142	775	30	the	the	DT
39142	775	31	eyepiece	eyepiece	NN
39142	775	32	,	,	,
39142	775	33	we	-PRON-	PRP
39142	775	34	shall	shall	MD
39142	775	35	have	have	VB
39142	775	36	the	the	DT
39142	775	37	magnifying	magnify	VBG
39142	775	38	power	power	NN
39142	775	39	of	of	IN
39142	775	40	the	the	DT
39142	775	41	telescope	telescope	NN
39142	775	42	.	.	.
39142	776	1	The	the	DT
39142	776	2	eyepiece	eyepiece	NN
39142	776	3	will	will	MD
39142	776	4	usually	usually	RB
39142	776	5	be	be	VB
39142	776	6	made	make	VBN
39142	776	7	of	of	IN
39142	776	8	two	two	CD
39142	776	9	lenses	lense	NNS
39142	776	10	,	,	,
39142	776	11	or	or	CC
39142	776	12	more	more	JJR
39142	776	13	,	,	,
39142	776	14	and	and	CC
39142	776	15	we	-PRON-	PRP
39142	776	16	use	use	VBP
39142	776	17	its	-PRON-	PRP$
39142	776	18	focal	focal	JJ
39142	776	19	length	length	NN
39142	776	20	considered	consider	VBN
39142	776	21	as	as	IN
39142	776	22	a	a	DT
39142	776	23	single	single	JJ
39142	776	24	lens	lens	NN
39142	776	25	,	,	,
39142	776	26	in	in	IN
39142	776	27	getting	get	VBG
39142	776	28	the	the	DT
39142	776	29	magnifying	magnify	VBG
39142	776	30	power	power	NN
39142	776	31	.	.	.
39142	777	1	A	a	DT
39142	777	2	telescope	telescope	NN
39142	777	3	will	will	MD
39142	777	4	generally	generally	RB
39142	777	5	have	have	VB
39142	777	6	many	many	JJ
39142	777	7	eyepieces	eyepiece	NNS
39142	777	8	of	of	IN
39142	777	9	different	different	JJ
39142	777	10	focal	focal	JJ
39142	777	11	lengths	length	NNS
39142	777	12	,	,	,
39142	777	13	so	so	IN
39142	777	14	that	that	IN
39142	777	15	it	-PRON-	PRP
39142	777	16	will	will	MD
39142	777	17	have	have	VB
39142	777	18	a	a	DT
39142	777	19	corresponding	corresponding	JJ
39142	777	20	range	range	NN
39142	777	21	of	of	IN
39142	777	22	magnifying	magnify	VBG
39142	777	23	powers	power	NNS
39142	777	24	.	.	.
39142	778	1	The	the	DT
39142	778	2	lowest	low	JJS
39142	778	3	magnifying	magnify	VBG
39142	778	4	power	power	NN
39142	778	5	will	will	MD
39142	778	6	be	be	VB
39142	778	7	not	not	RB
39142	778	8	less	less	JJR
39142	778	9	than	than	IN
39142	778	10	four	four	CD
39142	778	11	or	or	CC
39142	778	12	five	five	CD
39142	778	13	diameters	diameter	NNS
39142	778	14	for	for	IN
39142	778	15	each	each	DT
39142	778	16	inch	inch	NN
39142	778	17	of	of	IN
39142	778	18	aperture	aperture	NN
39142	778	19	of	of	IN
39142	778	20	the	the	DT
39142	778	21	objective	objective	NN
39142	778	22	;	;	:
39142	778	23	otherwise	otherwise	RB
39142	778	24	the	the	DT
39142	778	25	eye	eye	NN
39142	778	26	will	will	MD
39142	778	27	fail	fail	VB
39142	778	28	to	to	TO
39142	778	29	receive	receive	VB
39142	778	30	all	all	PDT
39142	778	31	the	the	DT
39142	778	32	light	light	NN
39142	778	33	which	which	WDT
39142	778	34	falls	fall	VBZ
39142	778	35	upon	upon	IN
39142	778	36	the	the	DT
39142	778	37	glass	glass	NN
39142	778	38	.	.	.
39142	779	1	A	a	DT
39142	779	2	4-inch	4-inch	CD
39142	779	3	telescope	telescope	NN
39142	779	4	will	will	MD
39142	779	5	therefore	therefore	RB
39142	779	6	have	have	VB
39142	779	7	no	no	DT
39142	779	8	eyepiece	eyepiece	NN
39142	779	9	with	with	IN
39142	779	10	a	a	DT
39142	779	11	lower	low	JJR
39142	779	12	magnifying	magnifying	NN
39142	779	13	power	power	NN
39142	779	14	than	than	IN
39142	779	15	about	about	RB
39142	779	16	20	20	CD
39142	779	17	diameters	diameter	NNS
39142	779	18	.	.	.
39142	780	1	The	the	DT
39142	780	2	highest	high	JJS
39142	780	3	magnifying	magnify	VBG
39142	780	4	power	power	NN
39142	780	5	advantageous	advantageous	JJ
39142	780	6	for	for	IN
39142	780	7	a	a	DT
39142	780	8	glass	glass	NN
39142	780	9	of	of	IN
39142	780	10	this	this	DT
39142	780	11	size	size	NN
39142	780	12	will	will	MD
39142	780	13	be	be	VB
39142	780	14	about	about	RB
39142	780	15	250	250	CD
39142	780	16	to	to	TO
39142	780	17	300	300	CD
39142	780	18	,	,	,
39142	780	19	the	the	DT
39142	780	20	working	working	NN
39142	780	21	rule	rule	NN
39142	780	22	being	be	VBG
39142	780	23	about	about	IN
39142	780	24	70	70	CD
39142	780	25	diameters	diameter	NNS
39142	780	26	to	to	IN
39142	780	27	each	each	DT
39142	780	28	inch	inch	NN
39142	780	29	of	of	IN
39142	780	30	aperture	aperture	NN
39142	780	31	,	,	,
39142	780	32	although	although	IN
39142	780	33	the	the	DT
39142	780	34	theoretical	theoretical	JJ
39142	780	35	limit	limit	NN
39142	780	36	is	be	VBZ
39142	780	37	regarded	regard	VBN
39142	780	38	as	as	IN
39142	780	39	100	100	CD
39142	780	40	.	.	.
39142	781	1	The	the	DT
39142	781	2	reason	reason	NN
39142	781	3	for	for	IN
39142	781	4	a	a	DT
39142	781	5	variety	variety	NN
39142	781	6	of	of	IN
39142	781	7	eyepieces	eyepiece	NNS
39142	781	8	with	with	IN
39142	781	9	different	different	JJ
39142	781	10	magnifying	magnifying	NN
39142	781	11	powers	power	NNS
39142	781	12	soon	soon	RB
39142	781	13	becomes	become	VBZ
39142	781	14	apparent	apparent	JJ
39142	781	15	on	on	IN
39142	781	16	using	use	VBG
39142	781	17	the	the	DT
39142	781	18	telescope	telescope	NN
39142	781	19	.	.	.
39142	782	1	Comets	comet	NNS
39142	782	2	and	and	CC
39142	782	3	nebulæ	nebulæ	NN
39142	782	4	call	call	VBP
39142	782	5	for	for	IN
39142	782	6	very	very	RB
39142	782	7	low	low	JJ
39142	782	8	powers	power	NNS
39142	782	9	,	,	,
39142	782	10	while	while	IN
39142	782	11	double	double	JJ
39142	782	12	stars	star	NNS
39142	782	13	and	and	CC
39142	782	14	the	the	DT
39142	782	15	planetary	planetary	NN
39142	782	16	surfaces	surface	NNS
39142	782	17	require	require	VBP
39142	782	18	the	the	DT
39142	782	19	higher	high	JJR
39142	782	20	powers	power	NNS
39142	782	21	,	,	,
39142	782	22	provided	provide	VBD
39142	782	23	the	the	DT
39142	782	24	state	state	NN
39142	782	25	of	of	IN
39142	782	26	the	the	DT
39142	782	27	atmosphere	atmosphere	NN
39142	782	28	at	at	IN
39142	782	29	the	the	DT
39142	782	30	moment	moment	NN
39142	782	31	will	will	MD
39142	782	32	allow	allow	VB
39142	782	33	it	-PRON-	PRP
39142	782	34	.	.	.
39142	783	1	If	if	IN
39142	783	2	there	there	EX
39142	783	3	is	be	VBZ
39142	783	4	much	much	JJ
39142	783	5	quivering	quivering	NN
39142	783	6	and	and	CC
39142	783	7	unsteadiness	unsteadiness	NN
39142	783	8	,	,	,
39142	783	9	nothing	nothing	NN
39142	783	10	is	be	VBZ
39142	783	11	gained	gain	VBN
39142	783	12	by	by	IN
39142	783	13	trying	try	VBG
39142	783	14	the	the	DT
39142	783	15	higher	high	JJR
39142	783	16	powers	power	NNS
39142	783	17	,	,	,
39142	783	18	because	because	IN
39142	783	19	all	all	PDT
39142	783	20	the	the	DT
39142	783	21	waves	wave	NNS
39142	783	22	of	of	IN
39142	783	23	unsteadiness	unsteadiness	NN
39142	783	24	are	be	VBP
39142	783	25	magnified	magnify	VBN
39142	783	26	also	also	RB
39142	783	27	in	in	IN
39142	783	28	the	the	DT
39142	783	29	same	same	JJ
39142	783	30	proportion	proportion	NN
39142	783	31	,	,	,
39142	783	32	and	and	CC
39142	783	33	sharpness	sharpness	NN
39142	783	34	of	of	IN
39142	783	35	vision	vision	NN
39142	783	36	,	,	,
39142	783	37	or	or	CC
39142	783	38	fine	fine	JJ
39142	783	39	definition	definition	NN
39142	783	40	,	,	,
39142	783	41	or	or	CC
39142	783	42	"	"	``
39142	783	43	good	good	JJ
39142	783	44	seeing	seeing	NN
39142	783	45	,	,	,
39142	783	46	"	"	''
39142	783	47	as	as	IN
39142	783	48	it	-PRON-	PRP
39142	783	49	is	be	VBZ
39142	783	50	called	call	VBN
39142	783	51	,	,	,
39142	783	52	becomes	become	VBZ
39142	783	53	impossible	impossible	JJ
39142	783	54	.	.	.
39142	784	1	The	the	DT
39142	784	2	vibrations	vibration	NNS
39142	784	3	and	and	CC
39142	784	4	tremors	tremor	NNS
39142	784	5	of	of	IN
39142	784	6	the	the	DT
39142	784	7	atmosphere	atmosphere	NN
39142	784	8	are	be	VBP
39142	784	9	the	the	DT
39142	784	10	greatest	great	JJS
39142	784	11	of	of	IN
39142	784	12	all	all	DT
39142	784	13	obstacles	obstacle	NNS
39142	784	14	to	to	IN
39142	784	15	astronomical	astronomical	JJ
39142	784	16	observation	observation	NN
39142	784	17	,	,	,
39142	784	18	and	and	CC
39142	784	19	the	the	DT
39142	784	20	search	search	NN
39142	784	21	is	be	VBZ
39142	784	22	always	always	RB
39142	784	23	in	in	IN
39142	784	24	order	order	NN
39142	784	25	for	for	IN
39142	784	26	regions	region	NNS
39142	784	27	of	of	IN
39142	784	28	the	the	DT
39142	784	29	world	world	NN
39142	784	30	,	,	,
39142	784	31	in	in	IN
39142	784	32	deserts	desert	NNS
39142	784	33	or	or	CC
39142	784	34	on	on	IN
39142	784	35	high	high	JJ
39142	784	36	mountains	mountain	NNS
39142	784	37	,	,	,
39142	784	38	where	where	WRB
39142	784	39	the	the	DT
39142	784	40	quietest	quiet	JJS
39142	784	41	atmosphere	atmosphere	NN
39142	784	42	is	be	VBZ
39142	784	43	to	to	TO
39142	784	44	be	be	VB
39142	784	45	found	find	VBN
39142	784	46	.	.	.
39142	785	1	Quite	quite	PDT
39142	785	2	another	another	DT
39142	785	3	power	power	NN
39142	785	4	of	of	IN
39142	785	5	the	the	DT
39142	785	6	telescope	telescope	NN
39142	785	7	is	be	VBZ
39142	785	8	dependent	dependent	JJ
39142	785	9	on	on	IN
39142	785	10	its	-PRON-	PRP$
39142	785	11	objective	objective	NN
39142	785	12	solely	solely	RB
39142	785	13	:	:	:
39142	785	14	its	-PRON-	PRP$
39142	785	15	light	light	JJ
39142	785	16	-	-	HYPH
39142	785	17	gathering	gather	VBG
39142	785	18	power	power	NN
39142	785	19	.	.	.
39142	786	1	Light	light	NN
39142	786	2	by	by	IN
39142	786	3	which	which	WDT
39142	786	4	we	-PRON-	PRP
39142	786	5	see	see	VBP
39142	786	6	a	a	DT
39142	786	7	star	star	NN
39142	786	8	or	or	CC
39142	786	9	planet	planet	NN
39142	786	10	is	be	VBZ
39142	786	11	admitted	admit	VBN
39142	786	12	to	to	IN
39142	786	13	the	the	DT
39142	786	14	retina	retina	NN
39142	786	15	of	of	IN
39142	786	16	the	the	DT
39142	786	17	eye	eye	NN
39142	786	18	through	through	IN
39142	786	19	an	an	DT
39142	786	20	adjustable	adjustable	JJ
39142	786	21	aperture	aperture	NN
39142	786	22	called	call	VBN
39142	786	23	the	the	DT
39142	786	24	pupil	pupil	NN
39142	786	25	.	.	.
39142	787	1	In	in	IN
39142	787	2	the	the	DT
39142	787	3	dark	dark	NN
39142	787	4	or	or	CC
39142	787	5	at	at	IN
39142	787	6	night	night	NN
39142	787	7	,	,	,
39142	787	8	the	the	DT
39142	787	9	pupil	pupil	NN
39142	787	10	expands	expand	VBZ
39142	787	11	to	to	IN
39142	787	12	an	an	DT
39142	787	13	average	average	JJ
39142	787	14	diameter	diameter	NN
39142	787	15	of	of	IN
39142	787	16	one	one	CD
39142	787	17	-	-	HYPH
39142	787	18	fourth	fourth	NN
39142	787	19	of	of	IN
39142	787	20	an	an	DT
39142	787	21	inch	inch	NN
39142	787	22	.	.	.
39142	788	1	But	but	CC
39142	788	2	the	the	DT
39142	788	3	object	object	NN
39142	788	4	-	-	HYPH
39142	788	5	glass	glass	NN
39142	788	6	of	of	IN
39142	788	7	a	a	DT
39142	788	8	telescope	telescope	NN
39142	788	9	,	,	,
39142	788	10	by	by	IN
39142	788	11	focusing	focus	VBG
39142	788	12	the	the	DT
39142	788	13	rays	ray	NNS
39142	788	14	from	from	IN
39142	788	15	a	a	DT
39142	788	16	star	star	NN
39142	788	17	,	,	,
39142	788	18	pours	pour	VBZ
39142	788	19	into	into	IN
39142	788	20	the	the	DT
39142	788	21	eye	eye	NN
39142	788	22	,	,	,
39142	788	23	almost	almost	RB
39142	788	24	as	as	IN
39142	788	25	a	a	DT
39142	788	26	funnel	funnel	NN
39142	788	27	acts	act	VBZ
39142	788	28	with	with	IN
39142	788	29	water	water	NN
39142	788	30	,	,	,
39142	788	31	all	all	PDT
39142	788	32	the	the	DT
39142	788	33	light	light	NN
39142	788	34	which	which	WDT
39142	788	35	falls	fall	VBZ
39142	788	36	on	on	IN
39142	788	37	its	-PRON-	PRP$
39142	788	38	larger	large	JJR
39142	788	39	surface	surface	NN
39142	788	40	.	.	.
39142	789	1	And	and	CC
39142	789	2	as	as	IN
39142	789	3	geometry	geometry	NN
39142	789	4	has	have	VBZ
39142	789	5	settled	settle	VBN
39142	789	6	it	-PRON-	PRP
39142	789	7	for	for	IN
39142	789	8	us	-PRON-	PRP
39142	789	9	that	that	IN
39142	789	10	areas	area	NNS
39142	789	11	of	of	IN
39142	789	12	surfaces	surface	NNS
39142	789	13	are	be	VBP
39142	789	14	proportioned	proportion	VBN
39142	789	15	to	to	IN
39142	789	16	the	the	DT
39142	789	17	squares	square	NNS
39142	789	18	of	of	IN
39142	789	19	their	-PRON-	PRP$
39142	789	20	diameters	diameter	NNS
39142	789	21	,	,	,
39142	789	22	a	a	DT
39142	789	23	two	two	CD
39142	789	24	-	-	HYPH
39142	789	25	inch	inch	NN
39142	789	26	object	object	NN
39142	789	27	glass	glass	NN
39142	789	28	focuses	focus	VBZ
39142	789	29	upon	upon	IN
39142	789	30	the	the	DT
39142	789	31	retina	retina	NN
39142	789	32	of	of	IN
39142	789	33	the	the	DT
39142	789	34	eye	eye	NN
39142	789	35	64	64	CD
39142	789	36	times	time	NNS
39142	789	37	as	as	RB
39142	789	38	much	much	JJ
39142	789	39	light	light	NN
39142	789	40	as	as	IN
39142	789	41	the	the	DT
39142	789	42	unassisted	unassisted	JJ
39142	789	43	eye	eye	NN
39142	789	44	would	would	MD
39142	789	45	receive	receive	VB
39142	789	46	.	.	.
39142	790	1	And	and	CC
39142	790	2	the	the	DT
39142	790	3	great	great	JJ
39142	790	4	40-inch	40-inch	CD
39142	790	5	objective	objective	NN
39142	790	6	of	of	IN
39142	790	7	the	the	DT
39142	790	8	Yerkes	Yerkes	NNP
39142	790	9	telescope	telescope	NN
39142	790	10	would	would	MD
39142	790	11	,	,	,
39142	790	12	theoretically	theoretically	RB
39142	790	13	,	,	,
39142	790	14	yield	yield	VB
39142	790	15	25,600	25,600	CD
39142	790	16	times	time	NNS
39142	790	17	as	as	RB
39142	790	18	much	much	JJ
39142	790	19	light	light	NN
39142	790	20	as	as	IN
39142	790	21	the	the	DT
39142	790	22	eye	eye	NN
39142	790	23	alone	alone	RB
39142	790	24	.	.	.
39142	791	1	But	but	CC
39142	791	2	there	there	EX
39142	791	3	would	would	MD
39142	791	4	be	be	VB
39142	791	5	a	a	DT
39142	791	6	noticeable	noticeable	JJ
39142	791	7	percentage	percentage	NN
39142	791	8	of	of	IN
39142	791	9	this	this	DT
39142	791	10	lost	lose	VBD
39142	791	11	through	through	IN
39142	791	12	absorption	absorption	NN
39142	791	13	by	by	IN
39142	791	14	the	the	DT
39142	791	15	glasses	glass	NNS
39142	791	16	of	of	IN
39142	791	17	the	the	DT
39142	791	18	telescope	telescope	NN
39142	791	19	and	and	CC
39142	791	20	scattering	scatter	VBG
39142	791	21	by	by	IN
39142	791	22	their	-PRON-	PRP$
39142	791	23	surfaces	surface	NNS
39142	791	24	.	.	.
39142	792	1	The	the	DT
39142	792	2	first	first	JJ
39142	792	3	makers	maker	NNS
39142	792	4	of	of	IN
39142	792	5	telescopes	telescope	NNS
39142	792	6	soon	soon	RB
39142	792	7	encountered	encounter	VBD
39142	792	8	a	a	DT
39142	792	9	most	most	RBS
39142	792	10	discouraging	discouraging	JJ
39142	792	11	difficulty	difficulty	NN
39142	792	12	,	,	,
39142	792	13	because	because	IN
39142	792	14	it	-PRON-	PRP
39142	792	15	seemed	seem	VBD
39142	792	16	to	to	IN
39142	792	17	them	-PRON-	PRP
39142	792	18	absolutely	absolutely	RB
39142	792	19	insuperable	insuperable	JJ
39142	792	20	.	.	.
39142	793	1	This	this	DT
39142	793	2	is	be	VBZ
39142	793	3	known	know	VBN
39142	793	4	as	as	IN
39142	793	5	chromatic	chromatic	JJ
39142	793	6	aberration	aberration	NN
39142	793	7	,	,	,
39142	793	8	or	or	CC
39142	793	9	the	the	DT
39142	793	10	scattering	scattering	NN
39142	793	11	of	of	IN
39142	793	12	light	light	NN
39142	793	13	in	in	IN
39142	793	14	a	a	DT
39142	793	15	telescope	telescope	NN
39142	793	16	due	due	JJ
39142	793	17	simply	simply	RB
39142	793	18	to	to	IN
39142	793	19	its	-PRON-	PRP$
39142	793	20	color	color	NN
39142	793	21	or	or	CC
39142	793	22	wave	wave	NN
39142	793	23	length	length	NN
39142	793	24	.	.	.
39142	794	1	When	when	WRB
39142	794	2	light	light	NN
39142	794	3	passes	pass	VBZ
39142	794	4	through	through	IN
39142	794	5	a	a	DT
39142	794	6	prism	prism	NN
39142	794	7	,	,	,
39142	794	8	red	red	JJ
39142	794	9	is	be	VBZ
39142	794	10	refracted	refract	VBN
39142	794	11	the	the	DT
39142	794	12	least	least	JJS
39142	794	13	and	and	CC
39142	794	14	violet	violet	VB
39142	794	15	the	the	DT
39142	794	16	most	most	RBS
39142	794	17	.	.	.
39142	795	1	Through	through	IN
39142	795	2	a	a	DT
39142	795	3	lens	lens	NN
39142	795	4	it	-PRON-	PRP
39142	795	5	is	be	VBZ
39142	795	6	the	the	DT
39142	795	7	same	same	JJ
39142	795	8	,	,	,
39142	795	9	because	because	IN
39142	795	10	a	a	DT
39142	795	11	lens	lens	NN
39142	795	12	may	may	MD
39142	795	13	be	be	VB
39142	795	14	regarded	regard	VBN
39142	795	15	as	as	IN
39142	795	16	an	an	DT
39142	795	17	indefinite	indefinite	JJ
39142	795	18	system	system	NN
39142	795	19	of	of	IN
39142	795	20	prisms	prism	NNS
39142	795	21	.	.	.
39142	796	1	The	the	DT
39142	796	2	image	image	NN
39142	796	3	of	of	IN
39142	796	4	a	a	DT
39142	796	5	star	star	NN
39142	796	6	or	or	CC
39142	796	7	planet	planet	NN
39142	796	8	,	,	,
39142	796	9	then	then	RB
39142	796	10	,	,	,
39142	796	11	formed	form	VBN
39142	796	12	by	by	IN
39142	796	13	a	a	DT
39142	796	14	single	single	JJ
39142	796	15	lens	lens	NN
39142	796	16	can	can	MD
39142	796	17	not	not	RB
39142	796	18	be	be	VB
39142	796	19	optically	optically	RB
39142	796	20	perfect	perfect	JJ
39142	796	21	;	;	:
39142	796	22	instead	instead	RB
39142	796	23	it	-PRON-	PRP
39142	796	24	will	will	MD
39142	796	25	be	be	VB
39142	796	26	a	a	DT
39142	796	27	confused	confused	JJ
39142	796	28	intermingling	intermingling	NN
39142	796	29	of	of	IN
39142	796	30	images	image	NNS
39142	796	31	of	of	IN
39142	796	32	various	various	JJ
39142	796	33	colors	color	NNS
39142	796	34	.	.	.
39142	797	1	With	with	IN
39142	797	2	low	low	JJ
39142	797	3	powers	power	NNS
39142	797	4	this	this	DT
39142	797	5	will	will	MD
39142	797	6	not	not	RB
39142	797	7	be	be	VB
39142	797	8	very	very	RB
39142	797	9	troublesome	troublesome	JJ
39142	797	10	,	,	,
39142	797	11	but	but	CC
39142	797	12	great	great	JJ
39142	797	13	indistinctness	indistinctness	NN
39142	797	14	results	result	NNS
39142	797	15	from	from	IN
39142	797	16	the	the	DT
39142	797	17	use	use	NN
39142	797	18	of	of	IN
39142	797	19	high	high	JJ
39142	797	20	magnifying	magnify	VBG
39142	797	21	powers	power	NNS
39142	797	22	.	.	.
39142	798	1	The	the	DT
39142	798	2	early	early	JJ
39142	798	3	makers	maker	NNS
39142	798	4	and	and	CC
39142	798	5	users	user	NNS
39142	798	6	of	of	IN
39142	798	7	telescopes	telescope	NNS
39142	798	8	in	in	IN
39142	798	9	the	the	DT
39142	798	10	latter	latter	JJ
39142	798	11	part	part	NN
39142	798	12	of	of	IN
39142	798	13	the	the	DT
39142	798	14	seventeenth	seventeenth	JJ
39142	798	15	century	century	NN
39142	798	16	found	find	VBD
39142	798	17	that	that	IN
39142	798	18	the	the	DT
39142	798	19	troublesome	troublesome	JJ
39142	798	20	effects	effect	NNS
39142	798	21	of	of	IN
39142	798	22	chromatic	chromatic	JJ
39142	798	23	aberration	aberration	NN
39142	798	24	could	could	MD
39142	798	25	be	be	VB
39142	798	26	much	much	RB
39142	798	27	reduced	reduce	VBN
39142	798	28	by	by	IN
39142	798	29	increasing	increase	VBG
39142	798	30	the	the	DT
39142	798	31	focal	focal	JJ
39142	798	32	length	length	NN
39142	798	33	of	of	IN
39142	798	34	the	the	DT
39142	798	35	objective	objective	NN
39142	798	36	.	.	.
39142	799	1	This	this	DT
39142	799	2	led	lead	VBD
39142	799	3	to	to	IN
39142	799	4	what	what	WP
39142	799	5	we	-PRON-	PRP
39142	799	6	term	term	VBP
39142	799	7	engineering	engineer	VBG
39142	799	8	difficulties	difficulty	NNS
39142	799	9	of	of	IN
39142	799	10	a	a	DT
39142	799	11	very	very	RB
39142	799	12	serious	serious	JJ
39142	799	13	nature	nature	NN
39142	799	14	,	,	,
39142	799	15	because	because	IN
39142	799	16	the	the	DT
39142	799	17	tubes	tube	NNS
39142	799	18	of	of	IN
39142	799	19	great	great	JJ
39142	799	20	length	length	NN
39142	799	21	were	be	VBD
39142	799	22	very	very	RB
39142	799	23	awkward	awkward	JJ
39142	799	24	in	in	IN
39142	799	25	pointing	point	VBG
39142	799	26	toward	toward	IN
39142	799	27	celestial	celestial	JJ
39142	799	28	objects	object	NNS
39142	799	29	,	,	,
39142	799	30	especially	especially	RB
39142	799	31	near	near	IN
39142	799	32	the	the	DT
39142	799	33	zenith	zenith	NN
39142	799	34	,	,	,
39142	799	35	where	where	WRB
39142	799	36	the	the	DT
39142	799	37	air	air	NN
39142	799	38	is	be	VBZ
39142	799	39	quietest	quiet	JJS
39142	799	40	.	.	.
39142	800	1	And	and	CC
39142	800	2	it	-PRON-	PRP
39142	800	3	was	be	VBD
39142	800	4	next	next	JJ
39142	800	5	to	to	IN
39142	800	6	impossible	impossible	JJ
39142	800	7	to	to	TO
39142	800	8	hold	hold	VB
39142	800	9	an	an	DT
39142	800	10	object	object	NN
39142	800	11	steadily	steadily	RB
39142	800	12	in	in	IN
39142	800	13	the	the	DT
39142	800	14	field	field	NN
39142	800	15	,	,	,
39142	800	16	even	even	RB
39142	800	17	after	after	IN
39142	800	18	all	all	PDT
39142	800	19	the	the	DT
39142	800	20	troubles	trouble	NNS
39142	800	21	of	of	IN
39142	800	22	getting	get	VBG
39142	800	23	it	-PRON-	PRP
39142	800	24	there	there	EX
39142	800	25	had	have	VBD
39142	800	26	been	be	VBN
39142	800	27	successfully	successfully	RB
39142	800	28	overcome	overcome	VBN
39142	800	29	.	.	.
39142	801	1	Bianchini	Bianchini	NNP
39142	801	2	and	and	CC
39142	801	3	Cassini	Cassini	NNP
39142	801	4	,	,	,
39142	801	5	Hevelius	Hevelius	NNP
39142	801	6	and	and	CC
39142	801	7	Huygens	Huygens	NNPS
39142	801	8	were	be	VBD
39142	801	9	among	among	IN
39142	801	10	the	the	DT
39142	801	11	active	active	JJ
39142	801	12	observers	observer	NNS
39142	801	13	of	of	IN
39142	801	14	that	that	DT
39142	801	15	epoch	epoch	NN
39142	801	16	who	who	WP
39142	801	17	built	build	VBD
39142	801	18	telescopes	telescope	NNS
39142	801	19	of	of	IN
39142	801	20	extraordinary	extraordinary	JJ
39142	801	21	length	length	NN
39142	801	22	,	,	,
39142	801	23	a	a	DT
39142	801	24	hundred	hundred	CD
39142	801	25	feet	foot	NNS
39142	801	26	and	and	CC
39142	801	27	upward	upward	RB
39142	801	28	.	.	.
39142	802	1	One	one	CD
39142	802	2	tube	tube	NN
39142	802	3	is	be	VBZ
39142	802	4	said	say	VBN
39142	802	5	to	to	TO
39142	802	6	have	have	VB
39142	802	7	been	be	VBN
39142	802	8	built	build	VBN
39142	802	9	600	600	CD
39142	802	10	feet	foot	NNS
39142	802	11	in	in	IN
39142	802	12	length	length	NN
39142	802	13	,	,	,
39142	802	14	but	but	CC
39142	802	15	quite	quite	RB
39142	802	16	certainly	certainly	RB
39142	802	17	it	-PRON-	PRP
39142	802	18	could	could	MD
39142	802	19	never	never	RB
39142	802	20	have	have	VB
39142	802	21	been	be	VBN
39142	802	22	used	use	VBN
39142	802	23	.	.	.
39142	803	1	So	so	RB
39142	803	2	-	-	HYPH
39142	803	3	called	call	VBN
39142	803	4	aerial	aerial	JJ
39142	803	5	telescopes	telescope	NNS
39142	803	6	were	be	VBD
39142	803	7	also	also	RB
39142	803	8	constructed	construct	VBN
39142	803	9	,	,	,
39142	803	10	in	in	IN
39142	803	11	which	which	WDT
39142	803	12	the	the	DT
39142	803	13	objective	objective	NN
39142	803	14	was	be	VBD
39142	803	15	mounted	mount	VBN
39142	803	16	on	on	IN
39142	803	17	top	top	NN
39142	803	18	of	of	IN
39142	803	19	a	a	DT
39142	803	20	tower	tower	NN
39142	803	21	or	or	CC
39142	803	22	a	a	DT
39142	803	23	pole	pole	NN
39142	803	24	,	,	,
39142	803	25	and	and	CC
39142	803	26	the	the	DT
39142	803	27	eyepiece	eyepiece	NN
39142	803	28	moved	move	VBN
39142	803	29	along	along	RB
39142	803	30	near	near	IN
39142	803	31	the	the	DT
39142	803	32	ground	ground	NN
39142	803	33	.	.	.
39142	804	1	But	but	CC
39142	804	2	it	-PRON-	PRP
39142	804	3	is	be	VBZ
39142	804	4	difficult	difficult	JJ
39142	804	5	to	to	TO
39142	804	6	see	see	VB
39142	804	7	how	how	WRB
39142	804	8	anything	anything	NN
39142	804	9	but	but	CC
39142	804	10	fleeting	fleeting	JJ
39142	804	11	glimpses	glimpse	NNS
39142	804	12	of	of	IN
39142	804	13	the	the	DT
39142	804	14	heavenly	heavenly	JJ
39142	804	15	bodies	body	NNS
39142	804	16	could	could	MD
39142	804	17	have	have	VB
39142	804	18	been	be	VBN
39142	804	19	obtained	obtain	VBN
39142	804	20	with	with	IN
39142	804	21	such	such	JJ
39142	804	22	contrivances	contrivance	NNS
39142	804	23	,	,	,
39142	804	24	even	even	RB
39142	804	25	if	if	IN
39142	804	26	the	the	DT
39142	804	27	lenses	lense	NNS
39142	804	28	had	have	VBD
39142	804	29	been	be	VBN
39142	804	30	perfect	perfect	JJ
39142	804	31	.	.	.
39142	805	1	Newton	Newton	NNP
39142	805	2	indeed	indeed	RB
39142	805	3	,	,	,
39142	805	4	who	who	WP
39142	805	5	was	be	VBD
39142	805	6	expert	expert	NN
39142	805	7	in	in	IN
39142	805	8	optics	optic	NNS
39142	805	9	,	,	,
39142	805	10	gave	give	VBD
39142	805	11	up	up	RP
39142	805	12	the	the	DT
39142	805	13	problem	problem	NN
39142	805	14	of	of	IN
39142	805	15	improving	improve	VBG
39142	805	16	the	the	DT
39142	805	17	refracting	refracting	NN
39142	805	18	telescope	telescope	NN
39142	805	19	,	,	,
39142	805	20	and	and	CC
39142	805	21	turned	turn	VBD
39142	805	22	his	-PRON-	PRP$
39142	805	23	energies	energy	NNS
39142	805	24	toward	toward	IN
39142	805	25	the	the	DT
39142	805	26	reflector	reflector	NN
39142	805	27	.	.	.
39142	806	1	In	in	IN
39142	806	2	1733	1733	CD
39142	806	3	,	,	,
39142	806	4	half	half	PDT
39142	806	5	a	a	DT
39142	806	6	century	century	NN
39142	806	7	after	after	IN
39142	806	8	Newton	Newton	NNP
39142	806	9	and	and	CC
39142	806	10	a	a	DT
39142	806	11	century	century	NN
39142	806	12	and	and	CC
39142	806	13	a	a	DT
39142	806	14	quarter	quarter	NN
39142	806	15	after	after	IN
39142	806	16	Galileo	Galileo	NNP
39142	806	17	,	,	,
39142	806	18	Chester	Chester	NNP
39142	806	19	More	More	NNP
39142	806	20	Hall	Hall	NNP
39142	806	21	,	,	,
39142	806	22	an	an	DT
39142	806	23	Englishman	Englishman	NNP
39142	806	24	,	,	,
39142	806	25	found	find	VBN
39142	806	26	by	by	IN
39142	806	27	experiment	experiment	NN
39142	806	28	that	that	IN
39142	806	29	chromatic	chromatic	JJ
39142	806	30	aberration	aberration	NN
39142	806	31	could	could	MD
39142	806	32	be	be	VB
39142	806	33	nearly	nearly	RB
39142	806	34	eliminated	eliminate	VBN
39142	806	35	by	by	IN
39142	806	36	making	make	VBG
39142	806	37	the	the	DT
39142	806	38	objective	objective	NN
39142	806	39	of	of	IN
39142	806	40	two	two	CD
39142	806	41	lenses	lense	NNS
39142	806	42	instead	instead	RB
39142	806	43	of	of	IN
39142	806	44	one	one	CD
39142	806	45	,	,	,
39142	806	46	and	and	CC
39142	806	47	the	the	DT
39142	806	48	same	same	JJ
39142	806	49	invention	invention	NN
39142	806	50	was	be	VBD
39142	806	51	made	make	VBN
39142	806	52	independently	independently	RB
39142	806	53	by	by	IN
39142	806	54	Dollond	Dollond	NNP
39142	806	55	,	,	,
39142	806	56	an	an	DT
39142	806	57	English	english	JJ
39142	806	58	optician	optician	NN
39142	806	59	,	,	,
39142	806	60	who	who	WP
39142	806	61	took	take	VBD
39142	806	62	out	out	RP
39142	806	63	letters	letter	NNS
39142	806	64	patent	patent	NN
39142	806	65	about	about	RB
39142	806	66	1760	1760	CD
39142	806	67	.	.	.
39142	807	1	So	so	RB
39142	807	2	the	the	DT
39142	807	3	size	size	NN
39142	807	4	of	of	IN
39142	807	5	telescopes	telescope	NNS
39142	807	6	seemed	seem	VBD
39142	807	7	to	to	TO
39142	807	8	be	be	VB
39142	807	9	limited	limit	VBN
39142	807	10	only	only	RB
39142	807	11	by	by	IN
39142	807	12	the	the	DT
39142	807	13	skill	skill	NN
39142	807	14	of	of	IN
39142	807	15	the	the	DT
39142	807	16	glassmaker	glassmaker	NN
39142	807	17	and	and	CC
39142	807	18	the	the	DT
39142	807	19	size	size	NN
39142	807	20	of	of	IN
39142	807	21	disks	disk	NNS
39142	807	22	that	that	WDT
39142	807	23	he	-PRON-	PRP
39142	807	24	might	may	MD
39142	807	25	find	find	VB
39142	807	26	it	-PRON-	PRP
39142	807	27	practicable	practicable	JJ
39142	807	28	to	to	TO
39142	807	29	produce	produce	VB
39142	807	30	.	.	.
39142	808	1	What	what	WP
39142	808	2	Hall	Hall	NNP
39142	808	3	and	and	CC
39142	808	4	Dollond	Dollond	NNP
39142	808	5	did	do	VBD
39142	808	6	was	be	VBD
39142	808	7	to	to	TO
39142	808	8	make	make	VB
39142	808	9	the	the	DT
39142	808	10	outer	outer	JJ
39142	808	11	or	or	CC
39142	808	12	crown	crown	VB
39142	808	13	lens	lens	NN
39142	808	14	of	of	IN
39142	808	15	the	the	DT
39142	808	16	objective	objective	NN
39142	808	17	as	as	IN
39142	808	18	before	before	RB
39142	808	19	,	,	,
39142	808	20	and	and	CC
39142	808	21	place	place	VB
39142	808	22	behind	behind	IN
39142	808	23	it	-PRON-	PRP
39142	808	24	a	a	DT
39142	808	25	plano	plano	JJ
39142	808	26	-	-	HYPH
39142	808	27	concave	concave	NN
39142	808	28	lens	lens	NN
39142	808	29	of	of	IN
39142	808	30	dense	dense	JJ
39142	808	31	flint	flint	NN
39142	808	32	glass	glass	NN
39142	808	33	.	.	.
39142	809	1	This	this	DT
39142	809	2	had	have	VBD
39142	809	3	the	the	DT
39142	809	4	effect	effect	NN
39142	809	5	of	of	IN
39142	809	6	neutralizing	neutralize	VBG
39142	809	7	the	the	DT
39142	809	8	chromatic	chromatic	JJ
39142	809	9	effect	effect	NN
39142	809	10	,	,	,
39142	809	11	or	or	CC
39142	809	12	color	color	NN
39142	809	13	aberration	aberration	NN
39142	809	14	,	,	,
39142	809	15	while	while	IN
39142	809	16	at	at	IN
39142	809	17	the	the	DT
39142	809	18	same	same	JJ
39142	809	19	time	time	NN
39142	809	20	only	only	RB
39142	809	21	part	part	NN
39142	809	22	of	of	IN
39142	809	23	the	the	DT
39142	809	24	refractive	refractive	JJ
39142	809	25	effect	effect	NN
39142	809	26	of	of	IN
39142	809	27	the	the	DT
39142	809	28	crown	crown	NN
39142	809	29	lens	lens	NN
39142	809	30	was	be	VBD
39142	809	31	destroyed	destroy	VBN
39142	809	32	.	.	.
39142	810	1	This	this	DT
39142	810	2	ingenious	ingenious	JJ
39142	810	3	but	but	CC
39142	810	4	costly	costly	JJ
39142	810	5	combination	combination	NN
39142	810	6	prepared	prepare	VBD
39142	810	7	the	the	DT
39142	810	8	way	way	NN
39142	810	9	for	for	IN
39142	810	10	the	the	DT
39142	810	11	great	great	JJ
39142	810	12	refracting	refracting	NN
39142	810	13	telescopes	telescope	NNS
39142	810	14	of	of	IN
39142	810	15	the	the	DT
39142	810	16	present	present	JJ
39142	810	17	day	day	NN
39142	810	18	,	,	,
39142	810	19	because	because	IN
39142	810	20	it	-PRON-	PRP
39142	810	21	solved	solve	VBD
39142	810	22	,	,	,
39142	810	23	or	or	CC
39142	810	24	seemed	seem	VBD
39142	810	25	to	to	TO
39142	810	26	solve	solve	VB
39142	810	27	,	,	,
39142	810	28	the	the	DT
39142	810	29	important	important	JJ
39142	810	30	problem	problem	NN
39142	810	31	of	of	IN
39142	810	32	getting	get	VBG
39142	810	33	the	the	DT
39142	810	34	necessary	necessary	JJ
39142	810	35	refraction	refraction	NN
39142	810	36	of	of	IN
39142	810	37	light	light	JJ
39142	810	38	rays	ray	NNS
39142	810	39	without	without	IN
39142	810	40	harmful	harmful	JJ
39142	810	41	dispersion	dispersion	NN
39142	810	42	or	or	CC
39142	810	43	decomposition	decomposition	NN
39142	810	44	of	of	IN
39142	810	45	them	-PRON-	PRP
39142	810	46	.	.	.
39142	811	1	Through	through	IN
39142	811	2	the	the	DT
39142	811	3	18th	18th	JJ
39142	811	4	century	century	NN
39142	811	5	and	and	CC
39142	811	6	the	the	DT
39142	811	7	first	first	JJ
39142	811	8	years	year	NNS
39142	811	9	of	of	IN
39142	811	10	the	the	DT
39142	811	11	19th	19th	JJ
39142	811	12	many	many	JJ
39142	811	13	telescopes	telescope	NNS
39142	811	14	of	of	IN
39142	811	15	a	a	DT
39142	811	16	size	size	NN
39142	811	17	very	very	RB
39142	811	18	great	great	JJ
39142	811	19	for	for	IN
39142	811	20	that	that	DT
39142	811	21	day	day	NN
39142	811	22	were	be	VBD
39142	811	23	built	build	VBN
39142	811	24	,	,	,
39142	811	25	and	and	CC
39142	811	26	their	-PRON-	PRP$
39142	811	27	success	success	NN
39142	811	28	seemed	seem	VBD
39142	811	29	complete	complete	JJ
39142	811	30	.	.	.
39142	812	1	With	with	IN
39142	812	2	large	large	JJ
39142	812	3	increase	increase	NN
39142	812	4	in	in	IN
39142	812	5	the	the	DT
39142	812	6	size	size	NN
39142	812	7	of	of	IN
39142	812	8	the	the	DT
39142	812	9	disks	disk	NNS
39142	812	10	,	,	,
39142	812	11	however	however	RB
39142	812	12	,	,	,
39142	812	13	a	a	DT
39142	812	14	new	new	JJ
39142	812	15	trouble	trouble	NN
39142	812	16	arose	arise	VBD
39142	812	17	,	,	,
39142	812	18	quite	quite	RB
39142	812	19	inherent	inherent	JJ
39142	812	20	in	in	IN
39142	812	21	the	the	DT
39142	812	22	glass	glass	NN
39142	812	23	itself	-PRON-	PRP
39142	812	24	.	.	.
39142	813	1	The	the	DT
39142	813	2	two	two	CD
39142	813	3	kinds	kind	NNS
39142	813	4	of	of	IN
39142	813	5	glass	glass	NN
39142	813	6	,	,	,
39142	813	7	flint	flint	NN
39142	813	8	and	and	CC
39142	813	9	crown	crown	VBP
39142	813	10	,	,	,
39142	813	11	do	do	VBP
39142	813	12	not	not	RB
39142	813	13	decompose	decompose	VB
39142	813	14	white	white	JJ
39142	813	15	light	light	NN
39142	813	16	with	with	IN
39142	813	17	uniformity	uniformity	NN
39142	813	18	,	,	,
39142	813	19	so	so	IN
39142	813	20	that	that	IN
39142	813	21	when	when	WRB
39142	813	22	the	the	DT
39142	813	23	so	so	RB
39142	813	24	-	-	HYPH
39142	813	25	called	call	VBN
39142	813	26	achromatic	achromatic	JJ
39142	813	27	objective	objective	NN
39142	813	28	was	be	VBD
39142	813	29	composed	compose	VBN
39142	813	30	of	of	IN
39142	813	31	flint	flint	NN
39142	813	32	and	and	CC
39142	813	33	crown	crown	NN
39142	813	34	,	,	,
39142	813	35	there	there	EX
39142	813	36	was	be	VBD
39142	813	37	an	an	DT
39142	813	38	effect	effect	NN
39142	813	39	known	know	VBN
39142	813	40	as	as	IN
39142	813	41	irrationality	irrationality	NN
39142	813	42	of	of	IN
39142	813	43	dispersion	dispersion	NN
39142	813	44	,	,	,
39142	813	45	or	or	CC
39142	813	46	secondary	secondary	JJ
39142	813	47	spectrum	spectrum	NN
39142	813	48	,	,	,
39142	813	49	which	which	WDT
39142	813	50	produced	produce	VBD
39142	813	51	a	a	DT
39142	813	52	very	very	RB
39142	813	53	troublesome	troublesome	JJ
39142	813	54	residuum	residuum	NN
39142	813	55	of	of	IN
39142	813	56	blue	blue	NNP
39142	813	57	light	light	NN
39142	813	58	surrounding	surround	VBG
39142	813	59	the	the	DT
39142	813	60	images	image	NNS
39142	813	61	of	of	IN
39142	813	62	bright	bright	JJ
39142	813	63	objects	object	NNS
39142	813	64	.	.	.
39142	814	1	This	this	DT
39142	814	2	is	be	VBZ
39142	814	3	the	the	DT
39142	814	4	most	most	RBS
39142	814	5	serious	serious	JJ
39142	814	6	defect	defect	NN
39142	814	7	of	of	IN
39142	814	8	all	all	PDT
39142	814	9	the	the	DT
39142	814	10	great	great	JJ
39142	814	11	refractors	refractor	NNS
39142	814	12	of	of	IN
39142	814	13	the	the	DT
39142	814	14	day	day	NN
39142	814	15	,	,	,
39142	814	16	and	and	CC
39142	814	17	effectively	effectively	RB
39142	814	18	it	-PRON-	PRP
39142	814	19	limits	limit	VBZ
39142	814	20	their	-PRON-	PRP$
39142	814	21	size	size	NN
39142	814	22	to	to	IN
39142	814	23	about	about	RB
39142	814	24	60	60	CD
39142	814	25	inches	inch	NNS
39142	814	26	of	of	IN
39142	814	27	aperture	aperture	NN
39142	814	28	,	,	,
39142	814	29	with	with	IN
39142	814	30	present	present	JJ
39142	814	31	types	type	NNS
39142	814	32	of	of	IN
39142	814	33	flint	flint	NN
39142	814	34	and	and	CC
39142	814	35	crown	crown	NN
39142	814	36	.	.	.
39142	815	1	It	-PRON-	PRP
39142	815	2	is	be	VBZ
39142	815	3	expected	expect	VBN
39142	815	4	by	by	IN
39142	815	5	present	present	JJ
39142	815	6	experimenters	experimenter	NNS
39142	815	7	,	,	,
39142	815	8	however	however	RB
39142	815	9	,	,	,
39142	815	10	that	that	IN
39142	815	11	further	further	JJ
39142	815	12	improvements	improvement	NNS
39142	815	13	in	in	IN
39142	815	14	optical	optical	JJ
39142	815	15	glass	glass	NN
39142	815	16	will	will	MD
39142	815	17	do	do	VB
39142	815	18	much	much	JJ
39142	815	19	to	to	TO
39142	815	20	extend	extend	VB
39142	815	21	this	this	DT
39142	815	22	limit	limit	NN
39142	815	23	;	;	:
39142	815	24	so	so	IN
39142	815	25	that	that	IN
39142	815	26	a	a	DT
39142	815	27	refracting	refracting	NN
39142	815	28	telescope	telescope	NN
39142	815	29	of	of	IN
39142	815	30	much	much	RB
39142	815	31	greater	great	JJR
39142	815	32	size	size	NN
39142	815	33	than	than	IN
39142	815	34	any	any	DT
39142	815	35	now	now	RB
39142	815	36	in	in	IN
39142	815	37	existence	existence	NN
39142	815	38	will	will	MD
39142	815	39	be	be	VB
39142	815	40	practicable	practicable	JJ
39142	815	41	.	.	.
39142	816	1	Improvements	improvement	NNS
39142	816	2	in	in	IN
39142	816	3	mounting	mount	VBG
39142	816	4	telescopes	telescope	NNS
39142	816	5	,	,	,
39142	816	6	too	too	RB
39142	816	7	,	,	,
39142	816	8	are	be	VBP
39142	816	9	still	still	RB
39142	816	10	possible	possible	JJ
39142	816	11	.	.	.
39142	817	1	Within	within	IN
39142	817	2	recent	recent	JJ
39142	817	3	years	year	NNS
39142	817	4	,	,	,
39142	817	5	Hartness	Hartness	NNP
39142	817	6	,	,	,
39142	817	7	of	of	IN
39142	817	8	Springfield	Springfield	NNP
39142	817	9	,	,	,
39142	817	10	Vermont	Vermont	NNP
39142	817	11	,	,	,
39142	817	12	has	have	VBZ
39142	817	13	erected	erect	VBN
39142	817	14	a	a	DT
39142	817	15	new	new	JJ
39142	817	16	and	and	CC
39142	817	17	ingenious	ingenious	JJ
39142	817	18	type	type	NN
39142	817	19	of	of	IN
39142	817	20	turret	turret	NN
39142	817	21	telescope	telescope	NN
39142	817	22	which	which	WDT
39142	817	23	protects	protect	VBZ
39142	817	24	the	the	DT
39142	817	25	observer	observer	NN
39142	817	26	from	from	IN
39142	817	27	wind	wind	NN
39142	817	28	and	and	CC
39142	817	29	cold	cold	JJ
39142	817	30	while	while	IN
39142	817	31	his	-PRON-	PRP$
39142	817	32	instrument	instrument	NN
39142	817	33	is	be	VBZ
39142	817	34	outside	outside	RB
39142	817	35	.	.	.
39142	818	1	It	-PRON-	PRP
39142	818	2	affords	afford	VBZ
39142	818	3	exceptional	exceptional	JJ
39142	818	4	facilities	facility	NNS
39142	818	5	for	for	IN
39142	818	6	rapid	rapid	JJ
39142	818	7	and	and	CC
39142	818	8	convenient	convenient	JJ
39142	818	9	observing	observing	NN
39142	818	10	,	,	,
39142	818	11	as	as	IN
39142	818	12	for	for	IN
39142	818	13	variable	variable	JJ
39142	818	14	stars	star	NNS
39142	818	15	,	,	,
39142	818	16	and	and	CC
39142	818	17	is	be	VBZ
39142	818	18	adaptable	adaptable	JJ
39142	818	19	to	to	IN
39142	818	20	both	both	DT
39142	818	21	refractors	refractor	NNS
39142	818	22	and	and	CC
39142	818	23	reflectors	reflector	NNS
39142	818	24	.	.	.
39142	819	1	The	the	DT
39142	819	2	captivating	captivating	NN
39142	819	3	study	study	NN
39142	819	4	of	of	IN
39142	819	5	the	the	DT
39142	819	6	heavens	heavens	NNPS
39142	819	7	can	can	MD
39142	819	8	of	of	IN
39142	819	9	course	course	NN
39142	819	10	be	be	VB
39142	819	11	begun	begin	VBN
39142	819	12	with	with	IN
39142	819	13	the	the	DT
39142	819	14	naked	naked	JJ
39142	819	15	eye	eye	NN
39142	819	16	alone	alone	RB
39142	819	17	,	,	,
39142	819	18	but	but	CC
39142	819	19	very	very	RB
39142	819	20	moderate	moderate	JJ
39142	819	21	optical	optical	JJ
39142	819	22	assistance	assistance	NN
39142	819	23	is	be	VBZ
39142	819	24	a	a	DT
39142	819	25	great	great	JJ
39142	819	26	help	help	NN
39142	819	27	and	and	CC
39142	819	28	stimulates	stimulate	NNS
39142	819	29	.	.	.
39142	820	1	An	an	DT
39142	820	2	opera	opera	NN
39142	820	3	-	-	HYPH
39142	820	4	glass	glass	NN
39142	820	5	affords	afford	NNS
39142	820	6	such	such	JJ
39142	820	7	assistance	assistance	NN
39142	820	8	;	;	:
39142	820	9	a	a	DT
39142	820	10	field	field	NN
39142	820	11	-	-	HYPH
39142	820	12	glass	glass	NN
39142	820	13	does	do	VBZ
39142	820	14	still	still	RB
39142	820	15	better	well	RBR
39142	820	16	,	,	,
39142	820	17	and	and	CC
39142	820	18	best	good	JJS
39142	820	19	of	of	IN
39142	820	20	all	all	DT
39142	820	21	,	,	,
39142	820	22	for	for	IN
39142	820	23	certain	certain	JJ
39142	820	24	purposes	purpose	NNS
39142	820	25	,	,	,
39142	820	26	is	be	VBZ
39142	820	27	a	a	DT
39142	820	28	modern	modern	JJ
39142	820	29	prism	prism	NN
39142	820	30	-	-	HYPH
39142	820	31	binocular	binocular	NN
39142	820	32	.	.	.
39142	821	1	CHAPTER	CHAPTER	NNP
39142	821	2	XIX	XIX	NNP
39142	821	3	REFLECTORS	reflector	NNS
39142	821	4	--	--	:
39142	821	5	MIRROR	MIRROR	NNP
39142	821	6	TELESCOPES	TELESCOPES	NNP
39142	821	7	Cherished	cherish	VBN
39142	821	8	with	with	IN
39142	821	9	the	the	DT
39142	821	10	utmost	utmost	JJ
39142	821	11	care	care	NN
39142	821	12	in	in	IN
39142	821	13	the	the	DT
39142	821	14	rooms	room	NNS
39142	821	15	of	of	IN
39142	821	16	the	the	DT
39142	821	17	Royal	Royal	NNP
39142	821	18	Society	Society	NNP
39142	821	19	of	of	IN
39142	821	20	London	London	NNP
39142	821	21	is	be	VBZ
39142	821	22	a	a	DT
39142	821	23	world	world	NN
39142	821	24	-	-	HYPH
39142	821	25	famous	famous	JJ
39142	821	26	telescope	telescope	NN
39142	821	27	,	,	,
39142	821	28	a	a	DT
39142	821	29	diminutive	diminutive	JJ
39142	821	30	reflector	reflector	NN
39142	821	31	made	make	VBN
39142	821	32	by	by	IN
39142	821	33	the	the	DT
39142	821	34	hands	hand	NNS
39142	821	35	of	of	IN
39142	821	36	Sir	Sir	NNP
39142	821	37	Isaac	Isaac	NNP
39142	821	38	Newton	Newton	NNP
39142	821	39	.	.	.
39142	822	1	We	-PRON-	PRP
39142	822	2	have	have	VBP
39142	822	3	already	already	RB
39142	822	4	mentioned	mention	VBN
39142	822	5	his	-PRON-	PRP$
39142	822	6	connection	connection	NN
39142	822	7	with	with	IN
39142	822	8	the	the	DT
39142	822	9	refractor	refractor	NN
39142	822	10	;	;	:
39142	822	11	and	and	CC
39142	822	12	how	how	WRB
39142	822	13	he	-PRON-	PRP
39142	822	14	abandoned	abandon	VBD
39142	822	15	that	that	DT
39142	822	16	type	type	NN
39142	822	17	of	of	IN
39142	822	18	telescope	telescope	NN
39142	822	19	in	in	IN
39142	822	20	favor	favor	NN
39142	822	21	of	of	IN
39142	822	22	the	the	DT
39142	822	23	reflecting	reflect	VBG
39142	822	24	mirror	mirror	NN
39142	822	25	,	,	,
39142	822	26	or	or	CC
39142	822	27	reflector	reflector	NN
39142	822	28	in	in	IN
39142	822	29	which	which	WDT
39142	822	30	the	the	DT
39142	822	31	obstacles	obstacle	NNS
39142	822	32	to	to	IN
39142	822	33	great	great	JJ
39142	822	34	size	size	NN
39142	822	35	appeared	appear	VBD
39142	822	36	to	to	TO
39142	822	37	be	be	VB
39142	822	38	purely	purely	RB
39142	822	39	mechanical	mechanical	JJ
39142	822	40	.	.	.
39142	823	1	By	by	IN
39142	823	2	many	many	JJ
39142	823	3	,	,	,
39142	823	4	indeed	indeed	RB
39142	823	5	,	,	,
39142	823	6	Newton	Newton	NNP
39142	823	7	is	be	VBZ
39142	823	8	regarded	regard	VBN
39142	823	9	as	as	IN
39142	823	10	the	the	DT
39142	823	11	inventor	inventor	NN
39142	823	12	of	of	IN
39142	823	13	the	the	DT
39142	823	14	reflector	reflector	NN
39142	823	15	.	.	.
39142	824	1	By	by	IN
39142	824	2	the	the	DT
39142	824	3	principles	principle	NNS
39142	824	4	of	of	IN
39142	824	5	optics	optic	NNS
39142	824	6	,	,	,
39142	824	7	all	all	PDT
39142	824	8	the	the	DT
39142	824	9	rays	ray	NNS
39142	824	10	from	from	IN
39142	824	11	a	a	DT
39142	824	12	star	star	NN
39142	824	13	that	that	WDT
39142	824	14	strike	strike	VBP
39142	824	15	a	a	DT
39142	824	16	concave	concave	NNP
39142	824	17	mirror	mirror	NN
39142	824	18	will	will	MD
39142	824	19	be	be	VB
39142	824	20	reflected	reflect	VBN
39142	824	21	to	to	IN
39142	824	22	the	the	DT
39142	824	23	geometric	geometric	JJ
39142	824	24	focal	focal	JJ
39142	824	25	point	point	NN
39142	824	26	,	,	,
39142	824	27	provided	provide	VBD
39142	824	28	a	a	DT
39142	824	29	section	section	NN
39142	824	30	of	of	IN
39142	824	31	that	that	DT
39142	824	32	mirror	mirror	NN
39142	824	33	is	be	VBZ
39142	824	34	a	a	DT
39142	824	35	parabola	parabola	NN
39142	824	36	.	.	.
39142	825	1	Such	such	PDT
39142	825	2	a	a	DT
39142	825	3	mirror	mirror	NN
39142	825	4	is	be	VBZ
39142	825	5	called	call	VBN
39142	825	6	a	a	DT
39142	825	7	speculum	speculum	NN
39142	825	8	,	,	,
39142	825	9	and	and	CC
39142	825	10	is	be	VBZ
39142	825	11	an	an	DT
39142	825	12	alloy	alloy	NN
39142	825	13	of	of	IN
39142	825	14	tin	tin	NN
39142	825	15	,	,	,
39142	825	16	copper	copper	NN
39142	825	17	,	,	,
39142	825	18	and	and	CC
39142	825	19	bismuth	bismuth	NNP
39142	825	20	.	.	.
39142	826	1	Its	-PRON-	PRP$
39142	826	2	surface	surface	NN
39142	826	3	takes	take	VBZ
39142	826	4	a	a	DT
39142	826	5	very	very	RB
39142	826	6	high	high	JJ
39142	826	7	polish	polish	NN
39142	826	8	,	,	,
39142	826	9	reflecting	reflect	VBG
39142	826	10	when	when	WRB
39142	826	11	newly	newly	RB
39142	826	12	polished	polish	VBN
39142	826	13	nearly	nearly	RB
39142	826	14	90	90	CD
39142	826	15	per	per	IN
39142	826	16	cent	cent	NN
39142	826	17	of	of	IN
39142	826	18	the	the	DT
39142	826	19	light	light	NN
39142	826	20	that	that	WDT
39142	826	21	falls	fall	VBZ
39142	826	22	upon	upon	IN
39142	826	23	it	-PRON-	PRP
39142	826	24	.	.	.
39142	827	1	But	but	CC
39142	827	2	the	the	DT
39142	827	3	focus	focus	NN
39142	827	4	where	where	WRB
39142	827	5	the	the	DT
39142	827	6	eyepiece	eyepiece	NN
39142	827	7	must	must	MD
39142	827	8	be	be	VB
39142	827	9	used	use	VBN
39142	827	10	is	be	VBZ
39142	827	11	in	in	IN
39142	827	12	front	front	NN
39142	827	13	of	of	IN
39142	827	14	the	the	DT
39142	827	15	mirror	mirror	NN
39142	827	16	,	,	,
39142	827	17	and	and	CC
39142	827	18	if	if	IN
39142	827	19	the	the	DT
39142	827	20	eye	eye	NN
39142	827	21	were	be	VBD
39142	827	22	placed	place	VBN
39142	827	23	there	there	RB
39142	827	24	,	,	,
39142	827	25	the	the	DT
39142	827	26	observer	observer	NN
39142	827	27	's	's	POS
39142	827	28	head	head	NN
39142	827	29	would	would	MD
39142	827	30	intercept	intercept	VB
39142	827	31	all	all	DT
39142	827	32	or	or	CC
39142	827	33	much	much	JJ
39142	827	34	of	of	IN
39142	827	35	the	the	DT
39142	827	36	light	light	NN
39142	827	37	that	that	WDT
39142	827	38	would	would	MD
39142	827	39	otherwise	otherwise	RB
39142	827	40	reach	reach	VB
39142	827	41	the	the	DT
39142	827	42	mirror	mirror	NN
39142	827	43	.	.	.
39142	828	1	Gregory	Gregory	NNP
39142	828	2	,	,	,
39142	828	3	probably	probably	RB
39142	828	4	the	the	DT
39142	828	5	real	real	JJ
39142	828	6	inventor	inventor	NN
39142	828	7	of	of	IN
39142	828	8	the	the	DT
39142	828	9	reflector	reflector	NN
39142	828	10	,	,	,
39142	828	11	was	be	VBD
39142	828	12	the	the	DT
39142	828	13	first	first	JJ
39142	828	14	to	to	TO
39142	828	15	dodge	dodge	VB
39142	828	16	this	this	DT
39142	828	17	difficulty	difficulty	NN
39142	828	18	by	by	IN
39142	828	19	perforating	perforate	VBG
39142	828	20	the	the	DT
39142	828	21	mirror	mirror	NN
39142	828	22	at	at	IN
39142	828	23	the	the	DT
39142	828	24	center	center	NN
39142	828	25	and	and	CC
39142	828	26	applying	apply	VBG
39142	828	27	the	the	DT
39142	828	28	eyepiece	eyepiece	NN
39142	828	29	there	there	RB
39142	828	30	,	,	,
39142	828	31	at	at	IN
39142	828	32	the	the	DT
39142	828	33	back	back	NN
39142	828	34	of	of	IN
39142	828	35	the	the	DT
39142	828	36	speculum	speculum	NN
39142	828	37	;	;	:
39142	828	38	but	but	CC
39142	828	39	it	-PRON-	PRP
39142	828	40	was	be	VBD
39142	828	41	necessary	necessary	JJ
39142	828	42	to	to	TO
39142	828	43	first	first	RB
39142	828	44	send	send	VB
39142	828	45	the	the	DT
39142	828	46	rays	ray	NNS
39142	828	47	to	to	IN
39142	828	48	that	that	DT
39142	828	49	point	point	NN
39142	828	50	by	by	IN
39142	828	51	reflection	reflection	NN
39142	828	52	from	from	IN
39142	828	53	a	a	DT
39142	828	54	second	second	JJ
39142	828	55	or	or	CC
39142	828	56	smaller	small	JJR
39142	828	57	mirror	mirror	NN
39142	828	58	,	,	,
39142	828	59	in	in	IN
39142	828	60	the	the	DT
39142	828	61	optical	optical	JJ
39142	828	62	axis	axis	NN
39142	828	63	of	of	IN
39142	828	64	the	the	DT
39142	828	65	speculum	speculum	NN
39142	828	66	.	.	.
39142	829	1	This	this	DT
39142	829	2	reflects	reflect	VBZ
39142	829	3	the	the	DT
39142	829	4	rays	ray	NNS
39142	829	5	backward	backward	RB
39142	829	6	down	down	IN
39142	829	7	the	the	DT
39142	829	8	tube	tube	NN
39142	829	9	to	to	IN
39142	829	10	the	the	DT
39142	829	11	eyepiece	eyepiece	NN
39142	829	12	,	,	,
39142	829	13	or	or	CC
39142	829	14	spectroscope	spectroscope	NN
39142	829	15	,	,	,
39142	829	16	or	or	CC
39142	829	17	camera	camera	NN
39142	829	18	.	.	.
39142	830	1	Another	another	DT
39142	830	2	English	english	JJ
39142	830	3	optician	optician	NN
39142	830	4	,	,	,
39142	830	5	Cassegrain	Cassegrain	NNP
39142	830	6	,	,	,
39142	830	7	improved	improve	VBN
39142	830	8	on	on	IN
39142	830	9	this	this	DT
39142	830	10	design	design	NN
39142	830	11	somewhat	somewhat	RB
39142	830	12	by	by	IN
39142	830	13	placing	place	VBG
39142	830	14	the	the	DT
39142	830	15	secondary	secondary	JJ
39142	830	16	mirror	mirror	NN
39142	830	17	inside	inside	IN
39142	830	18	the	the	DT
39142	830	19	focus	focus	NN
39142	830	20	of	of	IN
39142	830	21	the	the	DT
39142	830	22	speculum	speculum	NN
39142	830	23	,	,	,
39142	830	24	or	or	CC
39142	830	25	nearer	nearer	RB
39142	830	26	to	to	IN
39142	830	27	it	-PRON-	PRP
39142	830	28	,	,	,
39142	830	29	so	so	IN
39142	830	30	that	that	IN
39142	830	31	the	the	DT
39142	830	32	tube	tube	NN
39142	830	33	is	be	VBZ
39142	830	34	shorter	short	JJR
39142	830	35	.	.	.
39142	831	1	This	this	DT
39142	831	2	form	form	NN
39142	831	3	is	be	VBZ
39142	831	4	preferable	preferable	JJ
39142	831	5	for	for	IN
39142	831	6	many	many	JJ
39142	831	7	kinds	kind	NNS
39142	831	8	of	of	IN
39142	831	9	astronomical	astronomical	JJ
39142	831	10	work	work	NN
39142	831	11	,	,	,
39142	831	12	especially	especially	RB
39142	831	13	photography	photography	NN
39142	831	14	.	.	.
39142	832	1	Herschel	Herschel	NNP
39142	832	2	sought	seek	VBD
39142	832	3	to	to	TO
39142	832	4	do	do	VB
39142	832	5	away	away	RB
39142	832	6	with	with	IN
39142	832	7	the	the	DT
39142	832	8	secondary	secondary	JJ
39142	832	9	reflector	reflector	NN
39142	832	10	entirely	entirely	RB
39142	832	11	and	and	CC
39142	832	12	save	save	VB
39142	832	13	the	the	DT
39142	832	14	loss	loss	NN
39142	832	15	of	of	IN
39142	832	16	light	light	NN
39142	832	17	by	by	IN
39142	832	18	tilting	tilt	VBG
39142	832	19	the	the	DT
39142	832	20	speculum	speculum	NN
39142	832	21	slightly	slightly	RB
39142	832	22	,	,	,
39142	832	23	so	so	IN
39142	832	24	as	as	IN
39142	832	25	to	to	TO
39142	832	26	throw	throw	VB
39142	832	27	the	the	DT
39142	832	28	image	image	NN
39142	832	29	at	at	IN
39142	832	30	one	one	CD
39142	832	31	side	side	NN
39142	832	32	of	of	IN
39142	832	33	the	the	DT
39142	832	34	tube	tube	NN
39142	832	35	;	;	:
39142	832	36	but	but	CC
39142	832	37	this	this	DT
39142	832	38	modification	modification	NN
39142	832	39	introduces	introduce	VBZ
39142	832	40	bad	bad	JJ
39142	832	41	definition	definition	NN
39142	832	42	of	of	IN
39142	832	43	the	the	DT
39142	832	44	image	image	NN
39142	832	45	and	and	CC
39142	832	46	has	have	VBZ
39142	832	47	never	never	RB
39142	832	48	been	be	VBN
39142	832	49	much	much	RB
39142	832	50	used	use	VBN
39142	832	51	.	.	.
39142	833	1	A	a	DT
39142	833	2	better	well	JJR
39142	833	3	plan	plan	NN
39142	833	4	is	be	VBZ
39142	833	5	that	that	DT
39142	833	6	of	of	IN
39142	833	7	Newton	Newton	NNP
39142	833	8	,	,	,
39142	833	9	who	who	WP
39142	833	10	placed	place	VBD
39142	833	11	a	a	DT
39142	833	12	small	small	JJ
39142	833	13	plane	plane	NN
39142	833	14	speculum	speculum	NN
39142	833	15	at	at	IN
39142	833	16	an	an	DT
39142	833	17	angle	angle	NN
39142	833	18	of	of	IN
39142	833	19	45	45	CD
39142	833	20	degrees	degree	NNS
39142	833	21	in	in	IN
39142	833	22	the	the	DT
39142	833	23	optical	optical	JJ
39142	833	24	axis	axis	NN
39142	833	25	where	where	WRB
39142	833	26	the	the	DT
39142	833	27	secondary	secondary	JJ
39142	833	28	mirror	mirror	NN
39142	833	29	of	of	IN
39142	833	30	the	the	DT
39142	833	31	Gregory	Gregory	NNP
39142	833	32	-	-	HYPH
39142	833	33	Cassegrainian	Cassegrainian	NNP
39142	833	34	type	type	NN
39142	833	35	is	be	VBZ
39142	833	36	placed	place	VBN
39142	833	37	.	.	.
39142	834	1	The	the	DT
39142	834	2	rays	ray	NNS
39142	834	3	are	be	VBP
39142	834	4	then	then	RB
39142	834	5	received	receive	VBN
39142	834	6	by	by	IN
39142	834	7	the	the	DT
39142	834	8	eyepiece	eyepiece	NN
39142	834	9	at	at	IN
39142	834	10	the	the	DT
39142	834	11	side	side	NN
39142	834	12	of	of	IN
39142	834	13	the	the	DT
39142	834	14	upper	upper	JJ
39142	834	15	end	end	NN
39142	834	16	of	of	IN
39142	834	17	the	the	DT
39142	834	18	tube	tube	NN
39142	834	19	,	,	,
39142	834	20	the	the	DT
39142	834	21	observer	observer	NN
39142	834	22	looking	look	VBG
39142	834	23	in	in	RB
39142	834	24	at	at	IN
39142	834	25	right	right	JJ
39142	834	26	angles	angle	NNS
39142	834	27	to	to	IN
39142	834	28	the	the	DT
39142	834	29	axis	axi	NNS
39142	834	30	.	.	.
39142	835	1	And	and	CC
39142	835	2	a	a	DT
39142	835	3	modern	modern	JJ
39142	835	4	improvement	improvement	NN
39142	835	5	first	first	RB
39142	835	6	used	use	VBN
39142	835	7	by	by	IN
39142	835	8	Draper	Draper	NNP
39142	835	9	is	be	VBZ
39142	835	10	a	a	DT
39142	835	11	small	small	JJ
39142	835	12	rectangular	rectangular	JJ
39142	835	13	prism	prism	NN
39142	835	14	in	in	IN
39142	835	15	place	place	NN
39142	835	16	of	of	IN
39142	835	17	the	the	DT
39142	835	18	little	little	JJ
39142	835	19	plane	plane	NN
39142	835	20	speculum	speculum	NN
39142	835	21	,	,	,
39142	835	22	effecting	effect	VBG
39142	835	23	a	a	DT
39142	835	24	saving	saving	NN
39142	835	25	of	of	IN
39142	835	26	five	five	CD
39142	835	27	to	to	TO
39142	835	28	ten	ten	CD
39142	835	29	per	per	IN
39142	835	30	cent	cent	NN
39142	835	31	of	of	IN
39142	835	32	the	the	DT
39142	835	33	light	light	NN
39142	835	34	.	.	.
39142	836	1	It	-PRON-	PRP
39142	836	2	is	be	VBZ
39142	836	3	not	not	RB
39142	836	4	easy	easy	JJ
39142	836	5	to	to	TO
39142	836	6	say	say	VB
39142	836	7	which	which	WDT
39142	836	8	type	type	NN
39142	836	9	of	of	IN
39142	836	10	telescope	telescope	NN
39142	836	11	,	,	,
39142	836	12	the	the	DT
39142	836	13	refractor	refractor	NN
39142	836	14	or	or	CC
39142	836	15	the	the	DT
39142	836	16	reflector	reflector	NN
39142	836	17	,	,	,
39142	836	18	is	be	VBZ
39142	836	19	the	the	DT
39142	836	20	more	more	RBR
39142	836	21	famous	famous	JJ
39142	836	22	.	.	.
39142	837	1	Nor	nor	CC
39142	837	2	which	which	WDT
39142	837	3	is	be	VBZ
39142	837	4	the	the	DT
39142	837	5	better	well	JJR
39142	837	6	or	or	CC
39142	837	7	more	more	RBR
39142	837	8	useful	useful	JJ
39142	837	9	,	,	,
39142	837	10	or	or	CC
39142	837	11	the	the	DT
39142	837	12	more	more	RBR
39142	837	13	likely	likely	JJ
39142	837	14	to	to	TO
39142	837	15	lead	lead	VB
39142	837	16	in	in	IN
39142	837	17	the	the	DT
39142	837	18	astronomy	astronomy	NN
39142	837	19	of	of	IN
39142	837	20	the	the	DT
39142	837	21	future	future	NN
39142	837	22	.	.	.
39142	838	1	When	when	WRB
39142	838	2	the	the	DT
39142	838	3	successors	successor	NNS
39142	838	4	of	of	IN
39142	838	5	Dollond	Dollond	NNP
39142	838	6	had	have	VBD
39142	838	7	carried	carry	VBN
39142	838	8	the	the	DT
39142	838	9	achromatic	achromatic	JJ
39142	838	10	refractor	refractor	NN
39142	838	11	to	to	IN
39142	838	12	the	the	DT
39142	838	13	limit	limit	NN
39142	838	14	enforced	enforce	VBN
39142	838	15	by	by	IN
39142	838	16	the	the	DT
39142	838	17	size	size	NN
39142	838	18	of	of	IN
39142	838	19	the	the	DT
39142	838	20	glass	glass	NN
39142	838	21	disks	disk	NNS
39142	838	22	they	-PRON-	PRP
39142	838	23	were	be	VBD
39142	838	24	able	able	JJ
39142	838	25	to	to	TO
39142	838	26	secure	secure	VB
39142	838	27	,	,	,
39142	838	28	they	-PRON-	PRP
39142	838	29	found	find	VBD
39142	838	30	these	these	DT
39142	838	31	instruments	instrument	NNS
39142	838	32	not	not	RB
39142	838	33	so	so	RB
39142	838	34	great	great	JJ
39142	838	35	an	an	DT
39142	838	36	improvement	improvement	NN
39142	838	37	after	after	RB
39142	838	38	all	all	RB
39142	838	39	.	.	.
39142	839	1	The	the	DT
39142	839	2	single	single	JJ
39142	839	3	-	-	HYPH
39142	839	4	lens	lens	NN
39142	839	5	telescopes	telescope	NNS
39142	839	6	of	of	IN
39142	839	7	great	great	JJ
39142	839	8	focal	focal	JJ
39142	839	9	length	length	NN
39142	839	10	were	be	VBD
39142	839	11	nearly	nearly	RB
39142	839	12	as	as	RB
39142	839	13	good	good	JJ
39142	839	14	optically	optically	RB
39142	839	15	,	,	,
39142	839	16	though	though	IN
39142	839	17	much	much	RB
39142	839	18	more	more	RBR
39142	839	19	awkward	awkward	JJ
39142	839	20	to	to	TO
39142	839	21	handle	handle	VB
39142	839	22	.	.	.
39142	840	1	But	but	CC
39142	840	2	the	the	DT
39142	840	3	quality	quality	NN
39142	840	4	of	of	IN
39142	840	5	the	the	DT
39142	840	6	glass	glass	NN
39142	840	7	obtainable	obtainable	JJ
39142	840	8	in	in	IN
39142	840	9	that	that	DT
39142	840	10	day	day	NN
39142	840	11	appeared	appear	VBD
39142	840	12	to	to	TO
39142	840	13	set	set	VB
39142	840	14	an	an	DT
39142	840	15	arbitrary	arbitrary	JJ
39142	840	16	limit	limit	NN
39142	840	17	to	to	IN
39142	840	18	that	that	DT
39142	840	19	great	great	JJ
39142	840	20	amplification	amplification	NN
39142	840	21	of	of	IN
39142	840	22	size	size	NN
39142	840	23	and	and	CC
39142	840	24	power	power	NN
39142	840	25	which	which	WDT
39142	840	26	progress	progress	VBP
39142	840	27	in	in	IN
39142	840	28	observational	observational	JJ
39142	840	29	astronomy	astronomy	NN
39142	840	30	demanded	demand	VBD
39142	840	31	.	.	.
39142	841	1	Then	then	RB
39142	841	2	came	come	VBD
39142	841	3	the	the	DT
39142	841	4	elder	eld	JJR
39142	841	5	Herschel	Herschel	NNP
39142	841	6	,	,	,
39142	841	7	best	well	RBS
39142	841	8	known	know	VBN
39142	841	9	and	and	CC
39142	841	10	perhaps	perhaps	RB
39142	841	11	the	the	DT
39142	841	12	greatest	great	JJS
39142	841	13	of	of	IN
39142	841	14	all	all	DT
39142	841	15	astronomers	astronomer	NNS
39142	841	16	.	.	.
39142	842	1	At	at	IN
39142	842	2	Bath	Bath	NNP
39142	842	3	,	,	,
39142	842	4	England	England	NNP
39142	842	5	,	,	,
39142	842	6	music	music	NN
39142	842	7	was	be	VBD
39142	842	8	his	-PRON-	PRP$
39142	842	9	profession	profession	NN
39142	842	10	,	,	,
39142	842	11	especially	especially	RB
39142	842	12	the	the	DT
39142	842	13	organ	organ	NN
39142	842	14	.	.	.
39142	843	1	But	but	CC
39142	843	2	he	-PRON-	PRP
39142	843	3	was	be	VBD
39142	843	4	dissatisfied	dissatisfied	JJ
39142	843	5	with	with	IN
39142	843	6	his	-PRON-	PRP$
39142	843	7	little	little	JJ
39142	843	8	Gregorian	gregorian	JJ
39142	843	9	reflector	reflector	NN
39142	843	10	,	,	,
39142	843	11	and	and	CC
39142	843	12	being	be	VBG
39142	843	13	a	a	DT
39142	843	14	very	very	RB
39142	843	15	clever	clever	JJ
39142	843	16	mechanician	mechanician	NN
39142	843	17	he	-PRON-	PRP
39142	843	18	set	set	VBD
39142	843	19	out	out	RP
39142	843	20	to	to	TO
39142	843	21	build	build	VB
39142	843	22	a	a	DT
39142	843	23	reflector	reflector	NN
39142	843	24	for	for	IN
39142	843	25	himself	-PRON-	PRP
39142	843	26	.	.	.
39142	844	1	It	-PRON-	PRP
39142	844	2	is	be	VBZ
39142	844	3	said	say	VBN
39142	844	4	that	that	IN
39142	844	5	he	-PRON-	PRP
39142	844	6	cast	cast	VBD
39142	844	7	and	and	CC
39142	844	8	polished	polish	VBD
39142	844	9	nearly	nearly	RB
39142	844	10	200	200	CD
39142	844	11	mirrors	mirror	NNS
39142	844	12	,	,	,
39142	844	13	in	in	IN
39142	844	14	the	the	DT
39142	844	15	course	course	NN
39142	844	16	of	of	IN
39142	844	17	experiments	experiment	NNS
39142	844	18	on	on	IN
39142	844	19	the	the	DT
39142	844	20	most	most	RBS
39142	844	21	highly	highly	RB
39142	844	22	reflective	reflective	JJ
39142	844	23	type	type	NN
39142	844	24	of	of	IN
39142	844	25	alloys	alloy	NNS
39142	844	26	,	,	,
39142	844	27	and	and	CC
39142	844	28	the	the	DT
39142	844	29	sort	sort	NN
39142	844	30	of	of	IN
39142	844	31	mechanism	mechanism	NN
39142	844	32	that	that	WDT
39142	844	33	would	would	MD
39142	844	34	enable	enable	VB
39142	844	35	him	-PRON-	PRP
39142	844	36	to	to	TO
39142	844	37	give	give	VB
39142	844	38	them	-PRON-	PRP
39142	844	39	the	the	DT
39142	844	40	highest	high	JJS
39142	844	41	polish	polish	NN
39142	844	42	.	.	.
39142	845	1	In	in	IN
39142	845	2	all	all	PDT
39142	845	3	his	-PRON-	PRP$
39142	845	4	work	work	NN
39142	845	5	he	-PRON-	PRP
39142	845	6	was	be	VBD
39142	845	7	ably	ably	RB
39142	845	8	and	and	CC
39142	845	9	enthusiastically	enthusiastically	RB
39142	845	10	aided	aid	VBN
39142	845	11	by	by	IN
39142	845	12	his	-PRON-	PRP$
39142	845	13	sister	sister	NN
39142	845	14	,	,	,
39142	845	15	Caroline	Caroline	NNP
39142	845	16	Herschel	Herschel	NNP
39142	845	17	,	,	,
39142	845	18	most	most	RBS
39142	845	19	famous	famous	JJ
39142	845	20	of	of	IN
39142	845	21	all	all	DT
39142	845	22	women	woman	NNS
39142	845	23	astronomers	astronomer	NNS
39142	845	24	.	.	.
39142	846	1	Upward	upward	JJ
39142	846	2	in	in	IN
39142	846	3	size	size	NN
39142	846	4	of	of	IN
39142	846	5	his	-PRON-	PRP$
39142	846	6	mirrors	mirror	NNS
39142	846	7	he	-PRON-	PRP
39142	846	8	advanced	advance	VBD
39142	846	9	,	,	,
39142	846	10	till	till	IN
39142	846	11	he	-PRON-	PRP
39142	846	12	had	have	VBD
39142	846	13	a	a	DT
39142	846	14	speculum	speculum	NN
39142	846	15	of	of	IN
39142	846	16	two	two	CD
39142	846	17	feet	foot	NNS
39142	846	18	diameter	diameter	NN
39142	846	19	with	with	IN
39142	846	20	a	a	DT
39142	846	21	tube	tube	NN
39142	846	22	20	20	CD
39142	846	23	feet	foot	NNS
39142	846	24	long	long	JJ
39142	846	25	.	.	.
39142	847	1	Twelve	twelve	CD
39142	847	2	to	to	TO
39142	847	3	fifteen	fifteen	CD
39142	847	4	years	year	NNS
39142	847	5	had	have	VBD
39142	847	6	elapsed	elapse	VBN
39142	847	7	when	when	WRB
39142	847	8	in	in	IN
39142	847	9	1781	1781	CD
39142	847	10	,	,	,
39142	847	11	while	while	IN
39142	847	12	testing	test	VBG
39142	847	13	one	one	CD
39142	847	14	of	of	IN
39142	847	15	these	these	DT
39142	847	16	reflectors	reflector	NNS
39142	847	17	on	on	IN
39142	847	18	stars	star	NNS
39142	847	19	in	in	IN
39142	847	20	the	the	DT
39142	847	21	constellation	constellation	NN
39142	847	22	Gemini	Gemini	NNP
39142	847	23	,	,	,
39142	847	24	he	-PRON-	PRP
39142	847	25	made	make	VBD
39142	847	26	the	the	DT
39142	847	27	first	first	JJ
39142	847	28	discovery	discovery	NN
39142	847	29	of	of	IN
39142	847	30	a	a	DT
39142	847	31	planet	planet	NN
39142	847	32	since	since	IN
39142	847	33	the	the	DT
39142	847	34	invention	invention	NN
39142	847	35	of	of	IN
39142	847	36	the	the	DT
39142	847	37	telescope	telescope	NN
39142	847	38	--	--	:
39142	847	39	the	the	DT
39142	847	40	great	great	JJ
39142	847	41	planet	planet	NN
39142	847	42	now	now	RB
39142	847	43	known	know	VBN
39142	847	44	as	as	IN
39142	847	45	Uranus	Uranus	NNP
39142	847	46	.	.	.
39142	848	1	Under	under	IN
39142	848	2	the	the	DT
39142	848	3	patronage	patronage	NN
39142	848	4	of	of	IN
39142	848	5	King	King	NNP
39142	848	6	George	George	NNP
39142	848	7	,	,	,
39142	848	8	he	-PRON-	PRP
39142	848	9	advanced	advance	VBD
39142	848	10	to	to	IN
39142	848	11	telescopes	telescope	NNS
39142	848	12	of	of	IN
39142	848	13	still	still	RB
39142	848	14	greater	great	JJR
39142	848	15	size	size	NN
39142	848	16	,	,	,
39142	848	17	his	-PRON-	PRP$
39142	848	18	largest	large	JJS
39142	848	19	being	be	VBG
39142	848	20	no	no	DT
39142	848	21	less	less	JJR
39142	848	22	than	than	IN
39142	848	23	forty	forty	CD
39142	848	24	feet	foot	NNS
39142	848	25	in	in	IN
39142	848	26	length	length	NN
39142	848	27	,	,	,
39142	848	28	with	with	IN
39142	848	29	a	a	DT
39142	848	30	speculum	speculum	NN
39142	848	31	of	of	IN
39142	848	32	four	four	CD
39142	848	33	feet	foot	NNS
39142	848	34	in	in	IN
39142	848	35	diameter	diameter	NN
39142	848	36	.	.	.
39142	849	1	Two	two	CD
39142	849	2	new	new	JJ
39142	849	3	satellites	satellite	NNS
39142	849	4	of	of	IN
39142	849	5	Saturn	Saturn	NNP
39142	849	6	were	be	VBD
39142	849	7	discovered	discover	VBN
39142	849	8	with	with	IN
39142	849	9	this	this	DT
39142	849	10	giant	giant	JJ
39142	849	11	reflector	reflector	NN
39142	849	12	,	,	,
39142	849	13	which	which	WDT
39142	849	14	was	be	VBD
39142	849	15	dismantled	dismantle	VBN
39142	849	16	by	by	IN
39142	849	17	Sir	Sir	NNP
39142	849	18	John	John	NNP
39142	849	19	Herschel	Herschel	NNP
39142	849	20	with	with	IN
39142	849	21	appropriate	appropriate	JJ
39142	849	22	ceremonies	ceremony	NNS
39142	849	23	,	,	,
39142	849	24	including	include	VBG
39142	849	25	the	the	DT
39142	849	26	singing	singing	NN
39142	849	27	of	of	IN
39142	849	28	an	an	DT
39142	849	29	ode	ode	NN
39142	849	30	by	by	IN
39142	849	31	the	the	DT
39142	849	32	Herschel	Herschel	NNP
39142	849	33	family	family	NN
39142	849	34	assembled	assemble	VBD
39142	849	35	inside	inside	RB
39142	849	36	of	of	IN
39142	849	37	the	the	DT
39142	849	38	tube	tube	NN
39142	849	39	,	,	,
39142	849	40	on	on	IN
39142	849	41	New	New	NNP
39142	849	42	Year	Year	NNP
39142	849	43	's	's	POS
39142	849	44	Eve	Eve	NNP
39142	849	45	,	,	,
39142	849	46	1839	1839	CD
39142	849	47	-	-	SYM
39142	849	48	40	40	CD
39142	849	49	.	.	.
39142	850	1	We	-PRON-	PRP
39142	850	2	have	have	VBP
39142	850	3	record	record	NN
39142	850	4	of	of	IN
39142	850	5	but	but	CC
39142	850	6	few	few	JJ
39142	850	7	attempts	attempt	NNS
39142	850	8	to	to	TO
39142	850	9	improve	improve	VB
39142	850	10	the	the	DT
39142	850	11	size	size	NN
39142	850	12	and	and	CC
39142	850	13	definition	definition	NN
39142	850	14	of	of	IN
39142	850	15	great	great	JJ
39142	850	16	reflectors	reflector	NNS
39142	850	17	by	by	IN
39142	850	18	the	the	DT
39142	850	19	continental	continental	JJ
39142	850	20	astronomers	astronomer	NNS
39142	850	21	during	during	IN
39142	850	22	this	this	DT
39142	850	23	era	era	NN
39142	850	24	.	.	.
39142	851	1	In	in	IN
39142	851	2	England	England	NNP
39142	851	3	and	and	CC
39142	851	4	Ireland	Ireland	NNP
39142	851	5	,	,	,
39142	851	6	however	however	RB
39142	851	7	,	,	,
39142	851	8	great	great	JJ
39142	851	9	progress	progress	NN
39142	851	10	was	be	VBD
39142	851	11	made	make	VBN
39142	851	12	.	.	.
39142	852	1	About	about	RB
39142	852	2	1860	1860	CD
39142	852	3	Lassell	Lassell	NNP
39142	852	4	built	build	VBD
39142	852	5	a	a	DT
39142	852	6	two	two	CD
39142	852	7	-	-	HYPH
39142	852	8	foot	foot	NN
39142	852	9	reflector	reflector	NN
39142	852	10	,	,	,
39142	852	11	with	with	IN
39142	852	12	which	which	WDT
39142	852	13	he	-PRON-	PRP
39142	852	14	discovered	discover	VBD
39142	852	15	two	two	CD
39142	852	16	new	new	JJ
39142	852	17	satellites	satellite	NNS
39142	852	18	of	of	IN
39142	852	19	Uranus	uranus	NN
39142	852	20	,	,	,
39142	852	21	and	and	CC
39142	852	22	which	which	WDT
39142	852	23	he	-PRON-	PRP
39142	852	24	subsequently	subsequently	RB
39142	852	25	set	set	VBD
39142	852	26	up	up	RP
39142	852	27	in	in	IN
39142	852	28	the	the	DT
39142	852	29	island	island	NN
39142	852	30	of	of	IN
39142	852	31	Malta	Malta	NNP
39142	852	32	.	.	.
39142	853	1	Ten	ten	CD
39142	853	2	years	year	NNS
39142	853	3	later	later	RB
39142	853	4	Thomas	Thomas	NNP
39142	853	5	Grubb	Grubb	NNP
39142	853	6	and	and	CC
39142	853	7	Son	Son	NNP
39142	853	8	of	of	IN
39142	853	9	Dublin	Dublin	NNP
39142	853	10	constructed	construct	VBD
39142	853	11	a	a	DT
39142	853	12	four	four	CD
39142	853	13	-	-	HYPH
39142	853	14	foot	foot	NN
39142	853	15	reflector	reflector	NN
39142	853	16	,	,	,
39142	853	17	now	now	RB
39142	853	18	at	at	IN
39142	853	19	the	the	DT
39142	853	20	Observatory	Observatory	NNP
39142	853	21	in	in	IN
39142	853	22	Melbourne	Melbourne	NNP
39142	853	23	,	,	,
39142	853	24	Australia	Australia	NNP
39142	853	25	.	.	.
39142	854	1	Calver	calver	NN
39142	854	2	in	in	IN
39142	854	3	conjunction	conjunction	NN
39142	854	4	with	with	IN
39142	854	5	Common	Common	NNP
39142	854	6	of	of	IN
39142	854	7	Ealing	Ealing	NNP
39142	854	8	,	,	,
39142	854	9	London	London	NNP
39142	854	10	,	,	,
39142	854	11	about	about	RB
39142	854	12	1880	1880	CD
39142	854	13	-	-	SYM
39142	854	14	95	95	CD
39142	854	15	built	build	VBD
39142	854	16	several	several	JJ
39142	854	17	large	large	JJ
39142	854	18	reflectors	reflector	NNS
39142	854	19	,	,	,
39142	854	20	the	the	DT
39142	854	21	largest	large	JJS
39142	854	22	of	of	IN
39142	854	23	five	five	CD
39142	854	24	feet	foot	NNS
39142	854	25	diameter	diameter	NN
39142	854	26	,	,	,
39142	854	27	now	now	RB
39142	854	28	owned	own	VBN
39142	854	29	by	by	IN
39142	854	30	Harvard	Harvard	NNP
39142	854	31	College	College	NNP
39142	854	32	Observatory	Observatory	NNP
39142	854	33	;	;	:
39142	854	34	and	and	CC
39142	854	35	,	,	,
39142	854	36	rather	rather	RB
39142	854	37	earlier	early	RBR
39142	854	38	,	,	,
39142	854	39	Martin	Martin	NNP
39142	854	40	of	of	IN
39142	854	41	Paris	Paris	NNP
39142	854	42	completed	complete	VBD
39142	854	43	a	a	DT
39142	854	44	four	four	CD
39142	854	45	-	-	HYPH
39142	854	46	foot	foot	NN
39142	854	47	reflector	reflector	NN
39142	854	48	.	.	.
39142	855	1	The	the	DT
39142	855	2	mirrors	mirror	NNS
39142	855	3	of	of	IN
39142	855	4	these	these	DT
39142	855	5	latter	latter	JJ
39142	855	6	instruments	instrument	NNS
39142	855	7	were	be	VBD
39142	855	8	not	not	RB
39142	855	9	made	make	VBN
39142	855	10	of	of	IN
39142	855	11	speculum	speculum	NN
39142	855	12	metal	metal	NN
39142	855	13	,	,	,
39142	855	14	but	but	CC
39142	855	15	of	of	IN
39142	855	16	solid	solid	JJ
39142	855	17	glass	glass	NN
39142	855	18	,	,	,
39142	855	19	which	which	WDT
39142	855	20	must	must	MD
39142	855	21	be	be	VB
39142	855	22	very	very	RB
39142	855	23	thick	thick	JJ
39142	855	24	(	(	-LRB-
39142	855	25	one	one	CD
39142	855	26	-	-	HYPH
39142	855	27	seventh	seventh	JJ
39142	855	28	their	-PRON-	PRP$
39142	855	29	diameter	diameter	NN
39142	855	30	)	)	-RRB-
39142	855	31	in	in	IN
39142	855	32	order	order	NN
39142	855	33	to	to	TO
39142	855	34	prevent	prevent	VB
39142	855	35	flexure	flexure	NN
39142	855	36	or	or	CC
39142	855	37	bending	bend	VBG
39142	855	38	by	by	IN
39142	855	39	their	-PRON-	PRP$
39142	855	40	own	own	JJ
39142	855	41	weight	weight	NN
39142	855	42	.	.	.
39142	856	1	So	so	RB
39142	856	2	sensitive	sensitive	JJ
39142	856	3	is	be	VBZ
39142	856	4	the	the	DT
39142	856	5	optical	optical	JJ
39142	856	6	surface	surface	NN
39142	856	7	to	to	IN
39142	856	8	distortion	distortion	NN
39142	856	9	that	that	IN
39142	856	10	unless	unless	IN
39142	856	11	a	a	DT
39142	856	12	complicated	complicated	JJ
39142	856	13	series	series	NN
39142	856	14	of	of	IN
39142	856	15	levers	lever	NNS
39142	856	16	and	and	CC
39142	856	17	counterpoises	counterpoise	NNS
39142	856	18	is	be	VBZ
39142	856	19	supplied	supply	VBN
39142	856	20	,	,	,
39142	856	21	to	to	TO
39142	856	22	support	support	VB
39142	856	23	the	the	DT
39142	856	24	under	under	JJ
39142	856	25	surface	surface	NN
39142	856	26	of	of	IN
39142	856	27	the	the	DT
39142	856	28	mirror	mirror	NN
39142	856	29	,	,	,
39142	856	30	the	the	DT
39142	856	31	perfection	perfection	NN
39142	856	32	of	of	IN
39142	856	33	its	-PRON-	PRP$
39142	856	34	optical	optical	JJ
39142	856	35	figure	figure	NN
39142	856	36	disappears	disappear	VBZ
39142	856	37	when	when	WRB
39142	856	38	the	the	DT
39142	856	39	telescope	telescope	NN
39142	856	40	is	be	VBZ
39142	856	41	directed	direct	VBN
39142	856	42	to	to	IN
39142	856	43	objects	object	NNS
39142	856	44	at	at	IN
39142	856	45	different	different	JJ
39142	856	46	altitudes	altitude	NNS
39142	856	47	in	in	IN
39142	856	48	the	the	DT
39142	856	49	sky	sky	NN
39142	856	50	.	.	.
39142	857	1	The	the	DT
39142	857	2	upper	upper	JJ
39142	857	3	or	or	CC
39142	857	4	outer	outer	JJ
39142	857	5	surface	surface	NN
39142	857	6	of	of	IN
39142	857	7	the	the	DT
39142	857	8	glass	glass	NN
39142	857	9	is	be	VBZ
39142	857	10	the	the	DT
39142	857	11	one	one	CD
39142	857	12	which	which	WDT
39142	857	13	receives	receive	VBZ
39142	857	14	the	the	DT
39142	857	15	optical	optical	JJ
39142	857	16	polish	polish	NN
39142	857	17	on	on	IN
39142	857	18	a	a	DT
39142	857	19	heavy	heavy	JJ
39142	857	20	coat	coat	NN
39142	857	21	of	of	IN
39142	857	22	silver	silver	NN
39142	857	23	chemically	chemically	RB
39142	857	24	deposited	deposit	VBN
39142	857	25	on	on	IN
39142	857	26	the	the	DT
39142	857	27	polished	polished	JJ
39142	857	28	glass	glass	NN
39142	857	29	after	after	IN
39142	857	30	its	-PRON-	PRP$
39142	857	31	figure	figure	NN
39142	857	32	has	have	VBZ
39142	857	33	been	be	VBN
39142	857	34	tested	test	VBN
39142	857	35	and	and	CC
39142	857	36	found	find	VBN
39142	857	37	satisfactory	satisfactory	JJ
39142	857	38	.	.	.
39142	858	1	But	but	CC
39142	858	2	far	far	RB
39142	858	3	and	and	CC
39142	858	4	away	away	RB
39142	858	5	the	the	DT
39142	858	6	most	most	RBS
39142	858	7	famous	famous	JJ
39142	858	8	reflecting	reflect	VBG
39142	858	9	telescope	telescope	NN
39142	858	10	of	of	IN
39142	858	11	all	all	DT
39142	858	12	is	be	VBZ
39142	858	13	the	the	DT
39142	858	14	"	"	``
39142	858	15	Leviathan	Leviathan	NNP
39142	858	16	"	"	''
39142	858	17	of	of	IN
39142	858	18	Lord	Lord	NNP
39142	858	19	Rosse	Rosse	NNP
39142	858	20	,	,	,
39142	858	21	built	build	VBN
39142	858	22	at	at	IN
39142	858	23	Birr	Birr	NNP
39142	858	24	Castle	Castle	NNP
39142	858	25	,	,	,
39142	858	26	Parsonstown	Parsonstown	NNP
39142	858	27	,	,	,
39142	858	28	Ireland	Ireland	NNP
39142	858	29	,	,	,
39142	858	30	about	about	IN
39142	858	31	the	the	DT
39142	858	32	middle	middle	NN
39142	858	33	of	of	IN
39142	858	34	the	the	DT
39142	858	35	last	last	JJ
39142	858	36	century	century	NN
39142	858	37	.	.	.
39142	859	1	His	-PRON-	PRP$
39142	859	2	Lordship	lordship	NN
39142	859	3	made	make	VBD
39142	859	4	many	many	JJ
39142	859	5	ingenious	ingenious	JJ
39142	859	6	improvements	improvement	NNS
39142	859	7	in	in	IN
39142	859	8	grinding	grind	VBG
39142	859	9	the	the	DT
39142	859	10	mirror	mirror	NN
39142	859	11	,	,	,
39142	859	12	which	which	WDT
39142	859	13	was	be	VBD
39142	859	14	of	of	IN
39142	859	15	speculum	speculum	NN
39142	859	16	metal	metal	NN
39142	859	17	,	,	,
39142	859	18	six	six	CD
39142	859	19	feet	foot	NNS
39142	859	20	in	in	IN
39142	859	21	diameter	diameter	NN
39142	859	22	and	and	CC
39142	859	23	weighed	weigh	VBD
39142	859	24	seven	seven	CD
39142	859	25	tons	ton	NNS
39142	859	26	.	.	.
39142	860	1	It	-PRON-	PRP
39142	860	2	was	be	VBD
39142	860	3	ground	grind	VBN
39142	860	4	to	to	IN
39142	860	5	a	a	DT
39142	860	6	focal	focal	JJ
39142	860	7	length	length	NN
39142	860	8	of	of	IN
39142	860	9	fifty	fifty	CD
39142	860	10	-	-	HYPH
39142	860	11	four	four	CD
39142	860	12	feet	foot	NNS
39142	860	13	and	and	CC
39142	860	14	mounted	mount	VBN
39142	860	15	between	between	IN
39142	860	16	heavy	heavy	JJ
39142	860	17	walls	wall	NNS
39142	860	18	of	of	IN
39142	860	19	masonry	masonry	NN
39142	860	20	,	,	,
39142	860	21	so	so	IN
39142	860	22	that	that	IN
39142	860	23	the	the	DT
39142	860	24	motion	motion	NN
39142	860	25	of	of	IN
39142	860	26	the	the	DT
39142	860	27	great	great	JJ
39142	860	28	tube	tube	NN
39142	860	29	was	be	VBD
39142	860	30	restricted	restrict	VBN
39142	860	31	to	to	IN
39142	860	32	a	a	DT
39142	860	33	few	few	JJ
39142	860	34	degrees	degree	NNS
39142	860	35	on	on	IN
39142	860	36	both	both	DT
39142	860	37	sides	side	NNS
39142	860	38	of	of	IN
39142	860	39	the	the	DT
39142	860	40	meridian	meridian	NN
39142	860	41	.	.	.
39142	861	1	The	the	DT
39142	861	2	huge	huge	JJ
39142	861	3	mechanism	mechanism	NN
39142	861	4	was	be	VBD
39142	861	5	very	very	RB
39142	861	6	cumbersome	cumbersome	JJ
39142	861	7	in	in	IN
39142	861	8	operation	operation	NN
39142	861	9	,	,	,
39142	861	10	and	and	CC
39142	861	11	photography	photography	NN
39142	861	12	was	be	VBD
39142	861	13	not	not	RB
39142	861	14	available	available	JJ
39142	861	15	in	in	IN
39142	861	16	those	those	DT
39142	861	17	days	day	NNS
39142	861	18	;	;	:
39142	861	19	nevertheless	nevertheless	RB
39142	861	20	Lord	Lord	NNP
39142	861	21	Rosse	Rosse	NNP
39142	861	22	's	's	POS
39142	861	23	telescope	telescope	NN
39142	861	24	made	make	VBD
39142	861	25	the	the	DT
39142	861	26	epochal	epochal	NN
39142	861	27	discovery	discovery	NN
39142	861	28	of	of	IN
39142	861	29	the	the	DT
39142	861	30	spiral	spiral	JJ
39142	861	31	nebulæ	nebulæ	NN
39142	861	32	,	,	,
39142	861	33	which	which	WDT
39142	861	34	no	no	DT
39142	861	35	other	other	JJ
39142	861	36	telescope	telescope	NN
39142	861	37	of	of	IN
39142	861	38	that	that	DT
39142	861	39	day	day	NN
39142	861	40	could	could	MD
39142	861	41	have	have	VB
39142	861	42	done	do	VBN
39142	861	43	.	.	.
39142	862	1	In	in	IN
39142	862	2	America	America	NNP
39142	862	3	the	the	DT
39142	862	4	reflector	reflector	NN
39142	862	5	has	have	VBZ
39142	862	6	always	always	RB
39142	862	7	kept	keep	VBN
39142	862	8	at	at	IN
39142	862	9	least	least	JJS
39142	862	10	even	even	RB
39142	862	11	pace	pace	VB
39142	862	12	with	with	IN
39142	862	13	the	the	DT
39142	862	14	refractor	refractor	NN
39142	862	15	.	.	.
39142	863	1	As	as	RB
39142	863	2	early	early	RB
39142	863	3	as	as	IN
39142	863	4	1830	1830	CD
39142	863	5	,	,	,
39142	863	6	Mason	Mason	NNP
39142	863	7	and	and	CC
39142	863	8	Smith	Smith	NNP
39142	863	9	,	,	,
39142	863	10	two	two	CD
39142	863	11	students	student	NNS
39142	863	12	at	at	IN
39142	863	13	Yale	Yale	NNP
39142	863	14	College	College	NNP
39142	863	15	,	,	,
39142	863	16	enthused	enthuse	VBN
39142	863	17	by	by	IN
39142	863	18	Denison	Denison	NNP
39142	863	19	Olmsted	Olmsted	NNP
39142	863	20	,	,	,
39142	863	21	built	build	VBD
39142	863	22	a	a	DT
39142	863	23	12-inch	12-inch	CD
39142	863	24	speculum	speculum	NN
39142	863	25	with	with	IN
39142	863	26	which	which	WDT
39142	863	27	they	-PRON-	PRP
39142	863	28	made	make	VBD
39142	863	29	unsurpassed	unsurpassed	JJ
39142	863	30	observations	observation	NNS
39142	863	31	of	of	IN
39142	863	32	the	the	DT
39142	863	33	nebulæ	nebulæ	NN
39142	863	34	.	.	.
39142	864	1	Dr.	Dr.	NNP
39142	864	2	Henry	Henry	NNP
39142	864	3	Draper	Draper	NNP
39142	864	4	,	,	,
39142	864	5	returning	return	VBG
39142	864	6	from	from	IN
39142	864	7	a	a	DT
39142	864	8	visit	visit	NN
39142	864	9	to	to	IN
39142	864	10	Lord	Lord	NNP
39142	864	11	Rosse	Rosse	NNP
39142	864	12	,	,	,
39142	864	13	began	begin	VBD
39142	864	14	about	about	IN
39142	864	15	1865	1865	CD
39142	864	16	the	the	DT
39142	864	17	construction	construction	NN
39142	864	18	of	of	IN
39142	864	19	two	two	CD
39142	864	20	silver	silver	NN
39142	864	21	-	-	HYPH
39142	864	22	on	on	IN
39142	864	23	-	-	HYPH
39142	864	24	glass	glass	NN
39142	864	25	reflectors	reflector	NNS
39142	864	26	,	,	,
39142	864	27	one	one	CD
39142	864	28	of	of	IN
39142	864	29	15	15	CD
39142	864	30	inches	inch	NNS
39142	864	31	diameter	diameter	NNP
39142	864	32	,	,	,
39142	864	33	the	the	DT
39142	864	34	other	other	JJ
39142	864	35	of	of	IN
39142	864	36	28	28	CD
39142	864	37	inches	inch	NNS
39142	864	38	,	,	,
39142	864	39	with	with	IN
39142	864	40	which	which	WDT
39142	864	41	he	-PRON-	PRP
39142	864	42	did	do	VBD
39142	864	43	important	important	JJ
39142	864	44	work	work	NN
39142	864	45	for	for	IN
39142	864	46	many	many	JJ
39142	864	47	years	year	NNS
39142	864	48	in	in	IN
39142	864	49	photography	photography	NN
39142	864	50	and	and	CC
39142	864	51	spectroscopy	spectroscopy	NN
39142	864	52	,	,	,
39142	864	53	and	and	CC
39142	864	54	his	-PRON-	PRP$
39142	864	55	mirrors	mirror	NNS
39142	864	56	are	be	VBP
39142	864	57	now	now	RB
39142	864	58	the	the	DT
39142	864	59	property	property	NN
39142	864	60	of	of	IN
39142	864	61	Harvard	Harvard	NNP
39142	864	62	College	College	NNP
39142	864	63	Observatory	Observatory	NNP
39142	864	64	.	.	.
39142	865	1	Alvan	Alvan	NNP
39142	865	2	Clark	Clark	NNP
39142	865	3	and	and	CC
39142	865	4	Sons	Sons	NNPS
39142	865	5	have	have	VBP
39142	865	6	in	in	IN
39142	865	7	later	later	JJ
39142	865	8	years	year	NNS
39142	865	9	built	build	VBD
39142	865	10	a	a	DT
39142	865	11	40-inch	40-inch	CD
39142	865	12	mirror	mirror	NN
39142	865	13	for	for	IN
39142	865	14	the	the	DT
39142	865	15	Lowell	Lowell	NNP
39142	865	16	Observatory	Observatory	NNP
39142	865	17	in	in	IN
39142	865	18	Arizona	Arizona	NNP
39142	865	19	,	,	,
39142	865	20	and	and	CC
39142	865	21	very	very	RB
39142	865	22	recently	recently	RB
39142	865	23	a	a	DT
39142	865	24	6-foot	6-foot	CD
39142	865	25	silver	silver	NN
39142	865	26	-	-	HYPH
39142	865	27	on	on	IN
39142	865	28	-	-	HYPH
39142	865	29	glass	glass	NN
39142	865	30	mirror	mirror	NN
39142	865	31	has	have	VBZ
39142	865	32	been	be	VBN
39142	865	33	set	set	VBN
39142	865	34	up	up	RP
39142	865	35	in	in	IN
39142	865	36	the	the	DT
39142	865	37	Dominion	dominion	NN
39142	865	38	of	of	IN
39142	865	39	Canada	Canada	NNP
39142	865	40	Astrophysical	Astrophysical	NNP
39142	865	41	Observatory	Observatory	NNP
39142	865	42	at	at	IN
39142	865	43	Victoria	Victoria	NNP
39142	865	44	,	,	,
39142	865	45	British	British	NNP
39142	865	46	Columbia	Columbia	NNP
39142	865	47	,	,	,
39142	865	48	where	where	WRB
39142	865	49	it	-PRON-	PRP
39142	865	50	is	be	VBZ
39142	865	51	doing	do	VBG
39142	865	52	excellent	excellent	JJ
39142	865	53	work	work	NN
39142	865	54	in	in	IN
39142	865	55	the	the	DT
39142	865	56	hands	hand	NNS
39142	865	57	of	of	IN
39142	865	58	Plaskett	Plaskett	NNP
39142	865	59	,	,	,
39142	865	60	its	-PRON-	PRP$
39142	865	61	designer	designer	NN
39142	865	62	.	.	.
39142	866	1	The	the	DT
39142	866	2	huge	huge	JJ
39142	866	3	glass	glass	NN
39142	866	4	disk	disk	NN
39142	866	5	for	for	IN
39142	866	6	the	the	DT
39142	866	7	reflector	reflector	NN
39142	866	8	weighs	weigh	VBZ
39142	866	9	two	two	CD
39142	866	10	tons	ton	NNS
39142	866	11	,	,	,
39142	866	12	and	and	CC
39142	866	13	it	-PRON-	PRP
39142	866	14	must	must	MD
39142	866	15	be	be	VB
39142	866	16	cast	cast	VBN
39142	866	17	so	so	IN
39142	866	18	that	that	IN
39142	866	19	there	there	EX
39142	866	20	are	be	VBP
39142	866	21	no	no	DT
39142	866	22	internal	internal	JJ
39142	866	23	strains	strain	NNS
39142	866	24	;	;	:
39142	866	25	otherwise	otherwise	RB
39142	866	26	it	-PRON-	PRP
39142	866	27	is	be	VBZ
39142	866	28	liable	liable	JJ
39142	866	29	to	to	TO
39142	866	30	burst	burst	VB
39142	866	31	in	in	IN
39142	866	32	fragments	fragment	NNS
39142	866	33	in	in	IN
39142	866	34	the	the	DT
39142	866	35	process	process	NN
39142	866	36	of	of	IN
39142	866	37	grinding	grind	VBG
39142	866	38	.	.	.
39142	867	1	It	-PRON-	PRP
39142	867	2	should	should	MD
39142	867	3	be	be	VB
39142	867	4	free	free	JJ
39142	867	5	from	from	IN
39142	867	6	air	air	NN
39142	867	7	-	-	HYPH
39142	867	8	bubbles	bubble	NNS
39142	867	9	,	,	,
39142	867	10	too	too	RB
39142	867	11	;	;	:
39142	867	12	so	so	CC
39142	867	13	the	the	DT
39142	867	14	glass	glass	NN
39142	867	15	is	be	VBZ
39142	867	16	cast	cast	VBN
39142	867	17	in	in	IN
39142	867	18	one	one	CD
39142	867	19	melting	melt	VBG
39142	867	20	,	,	,
39142	867	21	if	if	IN
39142	867	22	possible	possible	JJ
39142	867	23	.	.	.
39142	868	1	This	this	DT
39142	868	2	disk	disk	NN
39142	868	3	was	be	VBD
39142	868	4	made	make	VBN
39142	868	5	by	by	IN
39142	868	6	the	the	DT
39142	868	7	St.	St.	NNP
39142	868	8	Gobain	Gobain	NNP
39142	868	9	Plate	Plate	NNP
39142	868	10	Glass	Glass	NNP
39142	868	11	Company	Company	NNP
39142	868	12	,	,	,
39142	868	13	whose	whose	WP$
39142	868	14	works	work	NNS
39142	868	15	have	have	VBP
39142	868	16	been	be	VBN
39142	868	17	ruthlessly	ruthlessly	RB
39142	868	18	destroyed	destroy	VBN
39142	868	19	by	by	IN
39142	868	20	the	the	DT
39142	868	21	enemy	enemy	NN
39142	868	22	during	during	IN
39142	868	23	the	the	DT
39142	868	24	war	war	NN
39142	868	25	;	;	:
39142	868	26	but	but	CC
39142	868	27	fortunately	fortunately	RB
39142	868	28	the	the	DT
39142	868	29	great	great	JJ
39142	868	30	disk	disk	NN
39142	868	31	had	have	VBD
39142	868	32	been	be	VBN
39142	868	33	shipped	ship	VBN
39142	868	34	from	from	IN
39142	868	35	Antwerp	Antwerp	NNP
39142	868	36	only	only	RB
39142	868	37	a	a	DT
39142	868	38	week	week	NN
39142	868	39	before	before	IN
39142	868	40	declaration	declaration	NN
39142	868	41	of	of	IN
39142	868	42	hostilities	hostility	NNS
39142	868	43	.	.	.
39142	869	1	Brashear	Brashear	NNP
39142	869	2	of	of	IN
39142	869	3	Allegheny	Allegheny	NNP
39142	869	4	was	be	VBD
39142	869	5	intrusted	intrust	VBN
39142	869	6	with	with	IN
39142	869	7	the	the	DT
39142	869	8	optical	optical	JJ
39142	869	9	parts	part	NNS
39142	869	10	,	,	,
39142	869	11	which	which	WDT
39142	869	12	occupied	occupy	VBD
39142	869	13	many	many	JJ
39142	869	14	months	month	NNS
39142	869	15	of	of	IN
39142	869	16	critical	critical	JJ
39142	869	17	work	work	NN
39142	869	18	.	.	.
39142	870	1	The	the	DT
39142	870	2	finished	finished	JJ
39142	870	3	mirror	mirror	NN
39142	870	4	is	be	VBZ
39142	870	5	73	73	CD
39142	870	6	inches	inch	NNS
39142	870	7	in	in	IN
39142	870	8	diameter	diameter	NN
39142	870	9	,	,	,
39142	870	10	its	-PRON-	PRP$
39142	870	11	focal	focal	JJ
39142	870	12	length	length	NN
39142	870	13	is	be	VBZ
39142	870	14	30	30	CD
39142	870	15	feet	foot	NNS
39142	870	16	,	,	,
39142	870	17	and	and	CC
39142	870	18	its	-PRON-	PRP$
39142	870	19	thickness	thickness	NN
39142	870	20	12	12	CD
39142	870	21	inches	inch	NNS
39142	870	22	.	.	.
39142	871	1	A	a	DT
39142	871	2	central	central	JJ
39142	871	3	hole	hole	NN
39142	871	4	10	10	CD
39142	871	5	inches	inch	NNS
39142	871	6	in	in	IN
39142	871	7	diameter	diameter	NN
39142	871	8	makes	make	VBZ
39142	871	9	possible	possible	JJ
39142	871	10	its	-PRON-	PRP$
39142	871	11	use	use	NN
39142	871	12	as	as	IN
39142	871	13	a	a	DT
39142	871	14	Gregorian	gregorian	JJ
39142	871	15	or	or	CC
39142	871	16	Cassegrainian	cassegrainian	JJ
39142	871	17	type	type	NN
39142	871	18	,	,	,
39142	871	19	as	as	RB
39142	871	20	well	well	RB
39142	871	21	as	as	IN
39142	871	22	Newtonian	Newtonian	NNP
39142	871	23	.	.	.
39142	872	1	The	the	DT
39142	872	2	mechanical	mechanical	JJ
39142	872	3	parts	part	NNS
39142	872	4	of	of	IN
39142	872	5	this	this	DT
39142	872	6	great	great	JJ
39142	872	7	telescope	telescope	NN
39142	872	8	are	be	VBP
39142	872	9	by	by	IN
39142	872	10	Warner	Warner	NNP
39142	872	11	and	and	CC
39142	872	12	Swasey	Swasey	NNP
39142	872	13	of	of	IN
39142	872	14	Cleveland	Cleveland	NNP
39142	872	15	,	,	,
39142	872	16	after	after	IN
39142	872	17	the	the	DT
39142	872	18	well	well	RB
39142	872	19	-	-	HYPH
39142	872	20	known	know	VBN
39142	872	21	equatorial	equatorial	JJ
39142	872	22	mounting	mounting	NN
39142	872	23	of	of	IN
39142	872	24	the	the	DT
39142	872	25	Melbourne	Melbourne	NNP
39142	872	26	reflector	reflector	NN
39142	872	27	by	by	IN
39142	872	28	Grubb	Grubb	NNP
39142	872	29	of	of	IN
39142	872	30	Dublin	Dublin	NNP
39142	872	31	.	.	.
39142	873	1	Friction	friction	NN
39142	873	2	of	of	IN
39142	873	3	the	the	DT
39142	873	4	polar	polar	NN
39142	873	5	and	and	CC
39142	873	6	declination	declination	NN
39142	873	7	axes	axis	NNS
39142	873	8	is	be	VBZ
39142	873	9	reduced	reduce	VBN
39142	873	10	by	by	IN
39142	873	11	ball	ball	NN
39142	873	12	bearings	bearing	NNS
39142	873	13	.	.	.
39142	874	1	The	the	DT
39142	874	2	66-foot	66-foot	CD
39142	874	3	dome	dome	NN
39142	874	4	has	have	VBZ
39142	874	5	an	an	DT
39142	874	6	opening	opening	JJ
39142	874	7	15	15	CD
39142	874	8	feet	foot	NNS
39142	874	9	wide	wide	JJ
39142	874	10	and	and	CC
39142	874	11	extending	extend	VBG
39142	874	12	six	six	CD
39142	874	13	feet	foot	NNS
39142	874	14	beyond	beyond	IN
39142	874	15	the	the	DT
39142	874	16	zenith	zenith	NN
39142	874	17	.	.	.
39142	875	1	All	all	DT
39142	875	2	motions	motion	NNS
39142	875	3	of	of	IN
39142	875	4	the	the	DT
39142	875	5	telescope	telescope	NN
39142	875	6	,	,	,
39142	875	7	dome	dome	NN
39142	875	8	shutters	shutter	NNS
39142	875	9	,	,	,
39142	875	10	and	and	CC
39142	875	11	observing	observing	NN
39142	875	12	platform	platform	NN
39142	875	13	are	be	VBP
39142	875	14	under	under	IN
39142	875	15	complete	complete	JJ
39142	875	16	control	control	NN
39142	875	17	by	by	IN
39142	875	18	electric	electric	JJ
39142	875	19	motors	motor	NNS
39142	875	20	.	.	.
39142	876	1	Spectroscopic	spectroscopic	JJ
39142	876	2	binaries	binary	NNS
39142	876	3	form	form	VBP
39142	876	4	one	one	CD
39142	876	5	of	of	IN
39142	876	6	the	the	DT
39142	876	7	special	special	JJ
39142	876	8	fields	field	NNS
39142	876	9	of	of	IN
39142	876	10	research	research	NN
39142	876	11	with	with	IN
39142	876	12	this	this	DT
39142	876	13	powerful	powerful	JJ
39142	876	14	instrument	instrument	NN
39142	876	15	,	,	,
39142	876	16	and	and	CC
39142	876	17	many	many	JJ
39142	876	18	new	new	JJ
39142	876	19	binaries	binary	NNS
39142	876	20	have	have	VBP
39142	876	21	already	already	RB
39142	876	22	been	be	VBN
39142	876	23	detected	detect	VBN
39142	876	24	.	.	.
39142	877	1	The	the	DT
39142	877	2	great	great	JJ
39142	877	3	reflectors	reflector	NNS
39142	877	4	designed	design	VBN
39142	877	5	and	and	CC
39142	877	6	constructed	construct	VBN
39142	877	7	by	by	IN
39142	877	8	Ritchey	Ritchey	NNP
39142	877	9	,	,	,
39142	877	10	formerly	formerly	RB
39142	877	11	of	of	IN
39142	877	12	Chicago	Chicago	NNP
39142	877	13	and	and	CC
39142	877	14	now	now	RB
39142	877	15	of	of	IN
39142	877	16	Pasadena	Pasadena	NNP
39142	877	17	,	,	,
39142	877	18	deserve	deserve	VBP
39142	877	19	especial	especial	JJ
39142	877	20	mention	mention	NN
39142	877	21	.	.	.
39142	878	1	While	while	IN
39142	878	2	connected	connect	VBN
39142	878	3	with	with	IN
39142	878	4	the	the	DT
39142	878	5	Yerkes	Yerkes	NNP
39142	878	6	Observatory	Observatory	NNP
39142	878	7	he	-PRON-	PRP
39142	878	8	constructed	construct	VBD
39142	878	9	a	a	DT
39142	878	10	two	two	CD
39142	878	11	-	-	HYPH
39142	878	12	foot	foot	NN
39142	878	13	reflector	reflector	NN
39142	878	14	for	for	IN
39142	878	15	that	that	DT
39142	878	16	institution	institution	NN
39142	878	17	,	,	,
39142	878	18	with	with	IN
39142	878	19	which	which	WDT
39142	878	20	he	-PRON-	PRP
39142	878	21	had	have	VBD
39142	878	22	exceptional	exceptional	JJ
39142	878	23	success	success	NN
39142	878	24	in	in	IN
39142	878	25	photography	photography	NN
39142	878	26	of	of	IN
39142	878	27	the	the	DT
39142	878	28	stars	star	NNS
39142	878	29	and	and	CC
39142	878	30	nebulæ	nebulæ	NN
39142	878	31	.	.	.
39142	879	1	Later	later	RBR
39142	879	2	he	-PRON-	PRP
39142	879	3	built	build	VBD
39142	879	4	a	a	DT
39142	879	5	5-foot	5-foot	CD
39142	879	6	reflector	reflector	NN
39142	879	7	,	,	,
39142	879	8	now	now	RB
39142	879	9	at	at	IN
39142	879	10	the	the	DT
39142	879	11	Carnegie	Carnegie	NNP
39142	879	12	Observatory	Observatory	NNP
39142	879	13	on	on	IN
39142	879	14	Mount	Mount	NNP
39142	879	15	Wilson	Wilson	NNP
39142	879	16	,	,	,
39142	879	17	California	California	NNP
39142	879	18	,	,	,
39142	879	19	with	with	IN
39142	879	20	which	which	WDT
39142	879	21	the	the	DT
39142	879	22	spiral	spiral	JJ
39142	879	23	nebulæ	nebulæ	NN
39142	879	24	and	and	CC
39142	879	25	many	many	JJ
39142	879	26	other	other	JJ
39142	879	27	celestial	celestial	JJ
39142	879	28	objects	object	NNS
39142	879	29	have	have	VBP
39142	879	30	been	be	VBN
39142	879	31	especially	especially	RB
39142	879	32	well	well	RB
39142	879	33	photographed	photograph	VBN
39142	879	34	.	.	.
39142	880	1	Ritchey	Ritchey	NNP
39142	880	2	's	's	POS
39142	880	3	later	later	JJ
39142	880	4	years	year	NNS
39142	880	5	have	have	VBP
39142	880	6	been	be	VBN
39142	880	7	spent	spend	VBN
39142	880	8	on	on	IN
39142	880	9	the	the	DT
39142	880	10	construction	construction	NN
39142	880	11	of	of	IN
39142	880	12	an	an	DT
39142	880	13	even	even	RB
39142	880	14	greater	great	JJR
39142	880	15	mirror	mirror	NN
39142	880	16	,	,	,
39142	880	17	no	no	DT
39142	880	18	less	less	JJR
39142	880	19	than	than	IN
39142	880	20	100	100	CD
39142	880	21	inches	inch	NNS
39142	880	22	in	in	IN
39142	880	23	diameter	diameter	NN
39142	880	24	,	,	,
39142	880	25	which	which	WDT
39142	880	26	was	be	VBD
39142	880	27	completed	complete	VBN
39142	880	28	in	in	IN
39142	880	29	1919	1919	CD
39142	880	30	,	,	,
39142	880	31	and	and	CC
39142	880	32	has	have	VBZ
39142	880	33	already	already	RB
39142	880	34	yielded	yield	VBN
39142	880	35	photographic	photographic	JJ
39142	880	36	results	result	NNS
39142	880	37	dealt	deal	VBN
39142	880	38	with	with	IN
39142	880	39	farther	farther	RB
39142	880	40	on	on	RB
39142	880	41	,	,	,
39142	880	42	and	and	CC
39142	880	43	far	far	RB
39142	880	44	surpassing	surpass	VBG
39142	880	45	anything	anything	NN
39142	880	46	previously	previously	RB
39142	880	47	obtained	obtain	VBN
39142	880	48	.	.	.
39142	881	1	Theoretically	theoretically	RB
39142	881	2	this	this	DT
39142	881	3	huge	huge	JJ
39142	881	4	mirror	mirror	NN
39142	881	5	,	,	,
39142	881	6	if	if	IN
39142	881	7	its	-PRON-	PRP$
39142	881	8	surface	surface	NN
39142	881	9	were	be	VBD
39142	881	10	perfectly	perfectly	RB
39142	881	11	reflective	reflective	JJ
39142	881	12	so	so	IN
39142	881	13	that	that	IN
39142	881	14	it	-PRON-	PRP
39142	881	15	would	would	MD
39142	881	16	transmit	transmit	VB
39142	881	17	all	all	PDT
39142	881	18	the	the	DT
39142	881	19	rays	ray	NNS
39142	881	20	falling	fall	VBG
39142	881	21	upon	upon	IN
39142	881	22	it	-PRON-	PRP
39142	881	23	,	,	,
39142	881	24	would	would	MD
39142	881	25	gather	gather	VB
39142	881	26	160,000	160,000	CD
39142	881	27	times	time	NNS
39142	881	28	as	as	RB
39142	881	29	much	much	JJ
39142	881	30	light	light	NN
39142	881	31	as	as	IN
39142	881	32	the	the	DT
39142	881	33	unaided	unaided	JJ
39142	881	34	eye	eye	NN
39142	881	35	alone	alone	RB
39142	881	36	.	.	.
39142	882	1	Whether	whether	IN
39142	882	2	a	a	DT
39142	882	3	72-inch	72-inch	CD
39142	882	4	refractor	refractor	NN
39142	882	5	,	,	,
39142	882	6	should	should	MD
39142	882	7	it	-PRON-	PRP
39142	882	8	ever	ever	RB
39142	882	9	be	be	VB
39142	882	10	constructed	construct	VBN
39142	882	11	,	,	,
39142	882	12	would	would	MD
39142	882	13	surpass	surpass	VB
39142	882	14	the	the	DT
39142	882	15	100-inch	100-inch	CD
39142	882	16	reflector	reflector	NN
39142	882	17	as	as	IN
39142	882	18	an	an	DT
39142	882	19	all	all	DT
39142	882	20	-	-	HYPH
39142	882	21	round	round	JJ
39142	882	22	engine	engine	NN
39142	882	23	for	for	IN
39142	882	24	astronomical	astronomical	JJ
39142	882	25	research	research	NN
39142	882	26	,	,	,
39142	882	27	is	be	VBZ
39142	882	28	a	a	DT
39142	882	29	question	question	NN
39142	882	30	that	that	WDT
39142	882	31	can	can	MD
39142	882	32	only	only	RB
39142	882	33	be	be	VB
39142	882	34	fully	fully	RB
39142	882	35	answered	answer	VBN
39142	882	36	by	by	IN
39142	882	37	building	build	VBG
39142	882	38	it	-PRON-	PRP
39142	882	39	and	and	CC
39142	882	40	trying	try	VBG
39142	882	41	the	the	DT
39142	882	42	two	two	CD
39142	882	43	instruments	instrument	NNS
39142	882	44	alongside	alongside	RB
39142	882	45	.	.	.
39142	883	1	Probably	probably	RB
39142	883	2	three	three	CD
39142	883	3	-	-	HYPH
39142	883	4	quarters	quarter	NNS
39142	883	5	of	of	IN
39142	883	6	all	all	PDT
39142	883	7	the	the	DT
39142	883	8	really	really	RB
39142	883	9	great	great	JJ
39142	883	10	astronomical	astronomical	JJ
39142	883	11	work	work	NN
39142	883	12	in	in	IN
39142	883	13	the	the	DT
39142	883	14	past	past	NN
39142	883	15	has	have	VBZ
39142	883	16	been	be	VBN
39142	883	17	done	do	VBN
39142	883	18	by	by	IN
39142	883	19	refractors	refractor	NNS
39142	883	20	.	.	.
39142	884	1	They	-PRON-	PRP
39142	884	2	are	be	VBP
39142	884	3	always	always	RB
39142	884	4	ready	ready	JJ
39142	884	5	and	and	CC
39142	884	6	convenient	convenient	JJ
39142	884	7	for	for	IN
39142	884	8	use	use	NN
39142	884	9	,	,	,
39142	884	10	and	and	CC
39142	884	11	the	the	DT
39142	884	12	optical	optical	JJ
39142	884	13	surfaces	surface	NNS
39142	884	14	rarely	rarely	RB
39142	884	15	require	require	VBP
39142	884	16	cleaning	clean	VBG
39142	884	17	and	and	CC
39142	884	18	readjustment	readjustment	NN
39142	884	19	.	.	.
39142	885	1	With	with	IN
39142	885	2	increase	increase	NN
39142	885	3	of	of	IN
39142	885	4	size	size	NN
39142	885	5	,	,	,
39142	885	6	however	however	RB
39142	885	7	,	,	,
39142	885	8	the	the	DT
39142	885	9	secondary	secondary	JJ
39142	885	10	spectrum	spectrum	NN
39142	885	11	becomes	become	VBZ
39142	885	12	very	very	RB
39142	885	13	bothersome	bothersome	JJ
39142	885	14	in	in	IN
39142	885	15	the	the	DT
39142	885	16	great	great	JJ
39142	885	17	lenses	lense	NNS
39142	885	18	;	;	:
39142	885	19	and	and	CC
39142	885	20	the	the	DT
39142	885	21	larger	large	JJR
39142	885	22	they	-PRON-	PRP
39142	885	23	are	be	VBP
39142	885	24	,	,	,
39142	885	25	the	the	DT
39142	885	26	more	more	JJR
39142	885	27	light	light	NN
39142	885	28	is	be	VBZ
39142	885	29	lost	lose	VBN
39142	885	30	by	by	IN
39142	885	31	absorption	absorption	NN
39142	885	32	on	on	IN
39142	885	33	account	account	NN
39142	885	34	of	of	IN
39142	885	35	the	the	DT
39142	885	36	increasing	increase	VBG
39142	885	37	thickness	thickness	NN
39142	885	38	of	of	IN
39142	885	39	the	the	DT
39142	885	40	lenses	lense	NNS
39142	885	41	.	.	.
39142	886	1	With	with	IN
39142	886	2	the	the	DT
39142	886	3	reflector	reflector	NN
39142	886	4	on	on	IN
39142	886	5	the	the	DT
39142	886	6	other	other	JJ
39142	886	7	hand	hand	NN
39142	886	8	,	,	,
39142	886	9	while	while	IN
39142	886	10	there	there	EX
39142	886	11	is	be	VBZ
39142	886	12	clearly	clearly	RB
39142	886	13	a	a	DT
39142	886	14	greater	great	JJR
39142	886	15	range	range	NN
39142	886	16	of	of	IN
39142	886	17	size	size	NN
39142	886	18	,	,	,
39142	886	19	the	the	DT
39142	886	20	reflective	reflective	JJ
39142	886	21	surface	surface	NN
39142	886	22	retains	retain	VBZ
39142	886	23	its	-PRON-	PRP$
39142	886	24	high	high	JJ
39142	886	25	polish	polish	NN
39142	886	26	only	only	RB
39142	886	27	a	a	DT
39142	886	28	brief	brief	JJ
39142	886	29	period	period	NN
39142	886	30	,	,	,
39142	886	31	so	so	IN
39142	886	32	that	that	IN
39142	886	33	mere	mere	JJ
39142	886	34	tarnish	tarnish	NN
39142	886	35	effectively	effectively	RB
39142	886	36	reduces	reduce	VBZ
39142	886	37	the	the	DT
39142	886	38	aperture	aperture	NN
39142	886	39	;	;	:
39142	886	40	and	and	CC
39142	886	41	the	the	DT
39142	886	42	great	great	JJ
39142	886	43	mirror	mirror	NN
39142	886	44	is	be	VBZ
39142	886	45	more	more	RBR
39142	886	46	or	or	CC
39142	886	47	less	less	RBR
39142	886	48	ineffective	ineffective	JJ
39142	886	49	in	in	IN
39142	886	50	consequence	consequence	NN
39142	886	51	of	of	IN
39142	886	52	flexure	flexure	NN
39142	886	53	uncompensated	uncompensate	VBN
39142	886	54	by	by	IN
39142	886	55	the	the	DT
39142	886	56	lever	lever	NN
39142	886	57	system	system	NN
39142	886	58	that	that	WDT
39142	886	59	supports	support	VBZ
39142	886	60	the	the	DT
39142	886	61	back	back	NN
39142	886	62	of	of	IN
39142	886	63	the	the	DT
39142	886	64	mirror	mirror	NN
39142	886	65	.	.	.
39142	887	1	Both	both	DT
39142	887	2	types	type	NNS
39142	887	3	of	of	IN
39142	887	4	telescope	telescope	NN
39142	887	5	still	still	RB
39142	887	6	have	have	VBP
39142	887	7	their	-PRON-	PRP$
39142	887	8	enthusiastic	enthusiastic	JJ
39142	887	9	devotees	devotee	NNS
39142	887	10	;	;	:
39142	887	11	and	and	CC
39142	887	12	the	the	DT
39142	887	13	next	next	JJ
39142	887	14	great	great	JJ
39142	887	15	reflector	reflector	NN
39142	887	16	would	would	MD
39142	887	17	doubtless	doubtless	RB
39142	887	18	be	be	VB
39142	887	19	a	a	DT
39142	887	20	gratifying	gratifying	JJ
39142	887	21	success	success	NN
39142	887	22	,	,	,
39142	887	23	if	if	IN
39142	887	24	mounted	mount	VBN
39142	887	25	in	in	IN
39142	887	26	some	some	DT
39142	887	27	elevated	elevated	JJ
39142	887	28	region	region	NN
39142	887	29	of	of	IN
39142	887	30	the	the	DT
39142	887	31	world	world	NN
39142	887	32	,	,	,
39142	887	33	like	like	IN
39142	887	34	the	the	DT
39142	887	35	Andes	Andes	NNP
39142	887	36	of	of	IN
39142	887	37	northern	northern	JJ
39142	887	38	Chile	Chile	NNP
39142	887	39	,	,	,
39142	887	40	where	where	WRB
39142	887	41	the	the	DT
39142	887	42	air	air	NN
39142	887	43	is	be	VBZ
39142	887	44	exceptionally	exceptionally	RB
39142	887	45	steady	steady	JJ
39142	887	46	and	and	CC
39142	887	47	the	the	DT
39142	887	48	sky	sky	NN
39142	887	49	very	very	RB
39142	887	50	clear	clear	JJ
39142	887	51	a	a	DT
39142	887	52	large	large	JJ
39142	887	53	part	part	NN
39142	887	54	of	of	IN
39142	887	55	the	the	DT
39142	887	56	year	year	NN
39142	887	57	.	.	.
39142	888	1	The	the	DT
39142	888	2	highest	high	JJS
39142	888	3	magnifying	magnify	VBG
39142	888	4	powers	power	NNS
39142	888	5	suitable	suitable	JJ
39142	888	6	for	for	IN
39142	888	7	work	work	NN
39142	888	8	with	with	IN
39142	888	9	such	such	PDT
39142	888	10	a	a	DT
39142	888	11	telescope	telescope	NN
39142	888	12	could	could	MD
39142	888	13	then	then	RB
39142	888	14	be	be	VB
39142	888	15	employed	employ	VBN
39142	888	16	,	,	,
39142	888	17	and	and	CC
39142	888	18	new	new	JJ
39142	888	19	discoveries	discovery	NNS
39142	888	20	added	add	VBD
39142	888	21	as	as	RB
39142	888	22	well	well	RB
39142	888	23	as	as	IN
39142	888	24	important	important	JJ
39142	888	25	work	work	NN
39142	888	26	done	do	VBN
39142	888	27	in	in	IN
39142	888	28	extension	extension	NN
39142	888	29	of	of	IN
39142	888	30	lines	line	NNS
39142	888	31	already	already	RB
39142	888	32	begun	begin	VBN
39142	888	33	on	on	IN
39142	888	34	the	the	DT
39142	888	35	universe	universe	NN
39142	888	36	of	of	IN
39142	888	37	stars	star	NNS
39142	888	38	.	.	.
39142	889	1	On	on	IN
39142	889	2	the	the	DT
39142	889	3	authority	authority	NN
39142	889	4	of	of	IN
39142	889	5	Clark	Clark	NNP
39142	889	6	,	,	,
39142	889	7	even	even	RB
39142	889	8	a	a	DT
39142	889	9	six	six	CD
39142	889	10	-	-	HYPH
39142	889	11	foot	foot	NN
39142	889	12	objective	objective	NN
39142	889	13	would	would	MD
39142	889	14	not	not	RB
39142	889	15	necessitate	necessitate	VB
39142	889	16	a	a	DT
39142	889	17	combined	combined	JJ
39142	889	18	thickness	thickness	NN
39142	889	19	of	of	IN
39142	889	20	its	-PRON-	PRP$
39142	889	21	glasses	glass	NNS
39142	889	22	in	in	IN
39142	889	23	excess	excess	NN
39142	889	24	of	of	IN
39142	889	25	six	six	CD
39142	889	26	inches	inch	NNS
39142	889	27	.	.	.
39142	890	1	Present	present	JJ
39142	890	2	disks	disk	NNS
39142	890	3	are	be	VBP
39142	890	4	vastly	vastly	RB
39142	890	5	superior	superior	JJ
39142	890	6	to	to	IN
39142	890	7	the	the	DT
39142	890	8	early	early	JJ
39142	890	9	ones	one	NNS
39142	890	10	in	in	IN
39142	890	11	transparency	transparency	NN
39142	890	12	,	,	,
39142	890	13	and	and	CC
39142	890	14	there	there	EX
39142	890	15	is	be	VBZ
39142	890	16	reason	reason	NN
39142	890	17	to	to	TO
39142	890	18	expect	expect	VB
39142	890	19	still	still	RB
39142	890	20	greater	great	JJR
39142	890	21	improvement	improvement	NN
39142	890	22	.	.	.
39142	891	1	The	the	DT
39142	891	2	engineering	engineering	NN
39142	891	3	troubles	trouble	NNS
39142	891	4	incident	incident	NN
39142	891	5	to	to	IN
39142	891	6	execution	execution	NN
39142	891	7	of	of	IN
39142	891	8	the	the	DT
39142	891	9	mechanical	mechanical	JJ
39142	891	10	side	side	NN
39142	891	11	of	of	IN
39142	891	12	the	the	DT
39142	891	13	scheme	scheme	NN
39142	891	14	need	nee	MD
39142	891	15	not	not	RB
39142	891	16	stand	stand	VB
39142	891	17	in	in	IN
39142	891	18	the	the	DT
39142	891	19	way	way	NN
39142	891	20	;	;	:
39142	891	21	they	-PRON-	PRP
39142	891	22	never	never	RB
39142	891	23	have	have	VBP
39142	891	24	,	,	,
39142	891	25	indeed	indeed	RB
39142	891	26	the	the	DT
39142	891	27	astronomer	astronomer	NN
39142	891	28	has	have	VBZ
39142	891	29	but	but	CC
39142	891	30	just	just	RB
39142	891	31	begun	begin	VBN
39142	891	32	to	to	TO
39142	891	33	invoke	invoke	VB
39142	891	34	the	the	DT
39142	891	35	fertile	fertile	JJ
39142	891	36	resources	resource	NNS
39142	891	37	of	of	IN
39142	891	38	the	the	DT
39142	891	39	modern	modern	JJ
39142	891	40	engineer	engineer	NN
39142	891	41	.	.	.
39142	892	1	Not	not	RB
39142	892	2	long	long	RB
39142	892	3	before	before	IN
39142	892	4	his	-PRON-	PRP$
39142	892	5	death	death	NN
39142	892	6	the	the	DT
39142	892	7	younger	young	JJR
39142	892	8	Clark	Clark	NNP
39142	892	9	who	who	WP
39142	892	10	had	have	VBD
39142	892	11	just	just	RB
39142	892	12	finished	finish	VBN
39142	892	13	the	the	DT
39142	892	14	great	great	JJ
39142	892	15	lenses	lense	NNS
39142	892	16	of	of	IN
39142	892	17	the	the	DT
39142	892	18	40-inch	40-inch	CD
39142	892	19	Yerkes	Yerkes	NNP
39142	892	20	telescope	telescope	NN
39142	892	21	,	,	,
39142	892	22	ventured	venture	VBD
39142	892	23	this	this	DT
39142	892	24	prevision	prevision	NN
39142	892	25	,	,	,
39142	892	26	already	already	RB
39142	892	27	in	in	IN
39142	892	28	part	part	NN
39142	892	29	come	come	VB
39142	892	30	true	true	JJ
39142	892	31	:	:	:
39142	892	32	"	"	``
39142	892	33	The	the	DT
39142	892	34	new	new	JJ
39142	892	35	astronomy	astronomy	NN
39142	892	36	,	,	,
39142	892	37	as	as	RB
39142	892	38	well	well	RB
39142	892	39	as	as	IN
39142	892	40	the	the	DT
39142	892	41	old	old	JJ
39142	892	42	,	,	,
39142	892	43	demands	demand	VBZ
39142	892	44	more	more	JJR
39142	892	45	power	power	NN
39142	892	46	.	.	.
39142	893	1	Problems	problem	NNS
39142	893	2	wait	wait	VBP
39142	893	3	for	for	IN
39142	893	4	their	-PRON-	PRP$
39142	893	5	solution	solution	NN
39142	893	6	,	,	,
39142	893	7	and	and	CC
39142	893	8	theories	theory	NNS
39142	893	9	to	to	TO
39142	893	10	be	be	VB
39142	893	11	substantiated	substantiate	VBN
39142	893	12	or	or	CC
39142	893	13	disproved	disprove	VBN
39142	893	14	.	.	.
39142	894	1	The	the	DT
39142	894	2	horizon	horizon	NN
39142	894	3	of	of	IN
39142	894	4	science	science	NN
39142	894	5	has	have	VBZ
39142	894	6	been	be	VBN
39142	894	7	greatly	greatly	RB
39142	894	8	broadened	broaden	VBN
39142	894	9	within	within	IN
39142	894	10	the	the	DT
39142	894	11	last	last	JJ
39142	894	12	few	few	JJ
39142	894	13	years	year	NNS
39142	894	14	,	,	,
39142	894	15	but	but	CC
39142	894	16	out	out	RB
39142	894	17	upon	upon	IN
39142	894	18	the	the	DT
39142	894	19	borderland	borderland	NN
39142	894	20	I	-PRON-	PRP
39142	894	21	see	see	VBP
39142	894	22	the	the	DT
39142	894	23	glimmer	glimmer	NN
39142	894	24	of	of	IN
39142	894	25	new	new	JJ
39142	894	26	lights	light	NNS
39142	894	27	that	that	WDT
39142	894	28	await	await	VBP
39142	894	29	for	for	IN
39142	894	30	their	-PRON-	PRP$
39142	894	31	interpretation	interpretation	NN
39142	894	32	,	,	,
39142	894	33	and	and	CC
39142	894	34	the	the	DT
39142	894	35	great	great	JJ
39142	894	36	telescopes	telescope	NNS
39142	894	37	of	of	IN
39142	894	38	the	the	DT
39142	894	39	future	future	NN
39142	894	40	must	must	MD
39142	894	41	be	be	VB
39142	894	42	their	-PRON-	PRP$
39142	894	43	interpreters	interpreter	NNS
39142	894	44	.	.	.
39142	894	45	"	"	''
39142	895	1	Practically	practically	RB
39142	895	2	all	all	PDT
39142	895	3	the	the	DT
39142	895	4	great	great	JJ
39142	895	5	telescopes	telescope	NNS
39142	895	6	of	of	IN
39142	895	7	the	the	DT
39142	895	8	world	world	NN
39142	895	9	have	have	VBP
39142	895	10	in	in	IN
39142	895	11	turn	turn	NN
39142	895	12	signalized	signalize	VBD
39142	895	13	the	the	DT
39142	895	14	new	new	JJ
39142	895	15	accession	accession	NN
39142	895	16	of	of	IN
39142	895	17	power	power	NN
39142	895	18	by	by	IN
39142	895	19	some	some	DT
39142	895	20	significant	significant	JJ
39142	895	21	astronomical	astronomical	JJ
39142	895	22	discovery	discovery	NN
39142	895	23	:	:	:
39142	895	24	to	to	TO
39142	895	25	specify	specify	VB
39142	895	26	,	,	,
39142	895	27	one	one	CD
39142	895	28	of	of	IN
39142	895	29	Herschel	Herschel	NNP
39142	895	30	's	's	POS
39142	895	31	reflectors	reflector	NNS
39142	895	32	first	first	RB
39142	895	33	revealed	reveal	VBD
39142	895	34	the	the	DT
39142	895	35	planet	planet	NN
39142	895	36	Uranus	uranus	NN
39142	895	37	;	;	:
39142	895	38	Lord	Lord	NNP
39142	895	39	Rosse	Rosse	NNP
39142	895	40	's	's	POS
39142	895	41	"	"	``
39142	895	42	Leviathan	Leviathan	NNP
39142	895	43	"	"	''
39142	895	44	the	the	DT
39142	895	45	spiral	spiral	JJ
39142	895	46	nebulæ	nebulæ	NN
39142	895	47	;	;	:
39142	895	48	the	the	DT
39142	895	49	15-inch	15-inch	CD
39142	895	50	Cambridge	Cambridge	NNP
39142	895	51	lens	lens	NN
39142	895	52	the	the	DT
39142	895	53	crape	crape	NN
39142	895	54	,	,	,
39142	895	55	or	or	CC
39142	895	56	dusky	dusky	JJ
39142	895	57	ring	ring	NN
39142	895	58	of	of	IN
39142	895	59	Saturn	Saturn	NNP
39142	895	60	;	;	:
39142	895	61	the	the	DT
39142	895	62	18	18	CD
39142	895	63	-	-	SYM
39142	895	64	1/2-inch	1/2-inch	CD
39142	895	65	Chicago	Chicago	NNP
39142	895	66	refractor	refractor	VBP
39142	895	67	the	the	DT
39142	895	68	companion	companion	NN
39142	895	69	of	of	IN
39142	895	70	Sirius	Sirius	NNP
39142	895	71	;	;	:
39142	895	72	the	the	DT
39142	895	73	Washington	Washington	NNP
39142	895	74	26-inch	26-inch	CD
39142	895	75	telescope	telescope	NN
39142	895	76	the	the	DT
39142	895	77	satellites	satellite	NNS
39142	895	78	of	of	IN
39142	895	79	Mars	Mars	NNP
39142	895	80	;	;	:
39142	895	81	the	the	DT
39142	895	82	30-inch	30-inch	CD
39142	895	83	Pulkowa	Pulkowa	NNP
39142	895	84	glass	glass	NN
39142	895	85	the	the	DT
39142	895	86	nebulosities	nebulositie	NNS
39142	895	87	of	of	IN
39142	895	88	the	the	DT
39142	895	89	Pleiades	Pleiades	NNPS
39142	895	90	;	;	:
39142	895	91	and	and	CC
39142	895	92	the	the	DT
39142	895	93	36-inch	36-inch	CD
39142	895	94	Lick	Lick	NNP
39142	895	95	telescope	telescope	NN
39142	895	96	brought	bring	VBN
39142	895	97	to	to	TO
39142	895	98	light	light	VB
39142	895	99	a	a	DT
39142	895	100	fifth	fifth	JJ
39142	895	101	satellite	satellite	NN
39142	895	102	of	of	IN
39142	895	103	Jupiter	Jupiter	NNP
39142	895	104	.	.	.
39142	896	1	At	at	IN
39142	896	2	the	the	DT
39142	896	3	time	time	NN
39142	896	4	these	these	DT
39142	896	5	discoveries	discovery	NNS
39142	896	6	were	be	VBD
39142	896	7	made	make	VBN
39142	896	8	,	,	,
39142	896	9	each	each	DT
39142	896	10	of	of	IN
39142	896	11	these	these	DT
39142	896	12	great	great	JJ
39142	896	13	telescopes	telescope	NNS
39142	896	14	was	be	VBD
39142	896	15	the	the	DT
39142	896	16	only	only	JJ
39142	896	17	instrument	instrument	NN
39142	896	18	then	then	RB
39142	896	19	in	in	IN
39142	896	20	existence	existence	NN
39142	896	21	with	with	IN
39142	896	22	power	power	NN
39142	896	23	enough	enough	JJ
39142	896	24	to	to	TO
39142	896	25	have	have	VB
39142	896	26	made	make	VBN
39142	896	27	the	the	DT
39142	896	28	discovery	discovery	NN
39142	896	29	possible	possible	JJ
39142	896	30	.	.	.
39142	897	1	So	so	RB
39142	897	2	we	-PRON-	PRP
39142	897	3	may	may	MD
39142	897	4	advance	advance	VB
39142	897	5	to	to	IN
39142	897	6	still	still	RB
39142	897	7	farther	farther	VB
39142	897	8	accessions	accession	NNS
39142	897	9	of	of	IN
39142	897	10	power	power	NN
39142	897	11	with	with	IN
39142	897	12	the	the	DT
39142	897	13	expectation	expectation	NN
39142	897	14	that	that	IN
39142	897	15	greater	great	JJR
39142	897	16	discoveries	discovery	NNS
39142	897	17	will	will	MD
39142	897	18	continue	continue	VB
39142	897	19	to	to	TO
39142	897	20	gratify	gratify	VB
39142	897	21	our	-PRON-	PRP$
39142	897	22	confidence	confidence	NN
39142	897	23	.	.	.
39142	898	1	CHAPTER	chapter	NN
39142	898	2	XX	XX	NNP
39142	898	3	THE	the	DT
39142	898	4	STORY	STORY	NNP
39142	898	5	OF	of	IN
39142	898	6	THE	the	DT
39142	898	7	SPECTROSCOPE	SPECTROSCOPE	NNP
39142	898	8	Sir	Sir	NNP
39142	898	9	Isaac	Isaac	NNP
39142	898	10	Newton	Newton	NNP
39142	898	11	ought	ought	MD
39142	898	12	really	really	RB
39142	898	13	to	to	TO
39142	898	14	have	have	VB
39142	898	15	been	be	VBN
39142	898	16	the	the	DT
39142	898	17	inventor	inventor	NN
39142	898	18	of	of	IN
39142	898	19	the	the	DT
39142	898	20	spectroscope	spectroscope	NN
39142	898	21	,	,	,
39142	898	22	because	because	IN
39142	898	23	he	-PRON-	PRP
39142	898	24	began	begin	VBD
39142	898	25	by	by	IN
39142	898	26	analyzing	analyze	VBG
39142	898	27	light	light	NN
39142	898	28	in	in	IN
39142	898	29	the	the	DT
39142	898	30	rough	rough	JJ
39142	898	31	with	with	IN
39142	898	32	prisms	prism	NNS
39142	898	33	,	,	,
39142	898	34	was	be	VBD
39142	898	35	very	very	RB
39142	898	36	expert	expert	JJ
39142	898	37	in	in	IN
39142	898	38	optics	optic	NNS
39142	898	39	,	,	,
39142	898	40	and	and	CC
39142	898	41	was	be	VBD
39142	898	42	certainly	certainly	RB
39142	898	43	enough	enough	JJ
39142	898	44	of	of	IN
39142	898	45	a	a	DT
39142	898	46	philosopher	philosopher	NN
39142	898	47	to	to	TO
39142	898	48	have	have	VB
39142	898	49	laid	lay	VBN
39142	898	50	the	the	DT
39142	898	51	foundations	foundation	NNS
39142	898	52	of	of	IN
39142	898	53	the	the	DT
39142	898	54	science	science	NN
39142	898	55	.	.	.
39142	899	1	What	what	WP
39142	899	2	Newton	Newton	NNP
39142	899	3	did	do	VBD
39142	899	4	was	be	VBD
39142	899	5	to	to	TO
39142	899	6	admit	admit	VB
39142	899	7	sunlight	sunlight	NN
39142	899	8	into	into	IN
39142	899	9	a	a	DT
39142	899	10	darkened	darken	VBN
39142	899	11	room	room	NN
39142	899	12	through	through	IN
39142	899	13	a	a	DT
39142	899	14	small	small	JJ
39142	899	15	round	round	NN
39142	899	16	aperture	aperture	NN
39142	899	17	,	,	,
39142	899	18	then	then	RB
39142	899	19	pass	pass	VB
39142	899	20	the	the	DT
39142	899	21	rays	ray	NNS
39142	899	22	through	through	IN
39142	899	23	a	a	DT
39142	899	24	glass	glass	NN
39142	899	25	prism	prism	NN
39142	899	26	and	and	CC
39142	899	27	receive	receive	VBP
39142	899	28	the	the	DT
39142	899	29	band	band	NN
39142	899	30	of	of	IN
39142	899	31	color	color	NN
39142	899	32	on	on	IN
39142	899	33	a	a	DT
39142	899	34	screen	screen	NN
39142	899	35	.	.	.
39142	900	1	He	-PRON-	PRP
39142	900	2	noticed	notice	VBD
39142	900	3	the	the	DT
39142	900	4	succession	succession	NN
39142	900	5	of	of	IN
39142	900	6	colors	color	NNS
39142	900	7	correctly	correctly	RB
39142	900	8	--	--	:
39142	900	9	violet	violet	NN
39142	900	10	,	,	,
39142	900	11	indigo	indigo	NNS
39142	900	12	,	,	,
39142	900	13	blue	blue	JJ
39142	900	14	,	,	,
39142	900	15	green	green	JJ
39142	900	16	,	,	,
39142	900	17	yellow	yellow	JJ
39142	900	18	,	,	,
39142	900	19	orange	orange	JJ
39142	900	20	,	,	,
39142	900	21	red	red	JJ
39142	900	22	;	;	:
39142	900	23	also	also	RB
39142	900	24	that	that	IN
39142	900	25	they	-PRON-	PRP
39142	900	26	were	be	VBD
39142	900	27	not	not	RB
39142	900	28	pure	pure	JJ
39142	900	29	colors	color	NNS
39142	900	30	,	,	,
39142	900	31	but	but	CC
39142	900	32	overlapping	overlap	VBG
39142	900	33	bands	band	NNS
39142	900	34	of	of	IN
39142	900	35	color	color	NN
39142	900	36	.	.	.
39142	901	1	Apparently	apparently	RB
39142	901	2	neither	neither	CC
39142	901	3	he	-PRON-	PRP
39142	901	4	nor	nor	CC
39142	901	5	any	any	DT
39142	901	6	other	other	JJ
39142	901	7	experimenter	experimenter	NN
39142	901	8	for	for	IN
39142	901	9	more	more	JJR
39142	901	10	than	than	IN
39142	901	11	a	a	DT
39142	901	12	century	century	NN
39142	901	13	went	go	VBD
39142	901	14	any	any	RB
39142	901	15	further	further	RB
39142	901	16	,	,	,
39142	901	17	when	when	WRB
39142	901	18	the	the	DT
39142	901	19	next	next	JJ
39142	901	20	essential	essential	JJ
39142	901	21	step	step	NN
39142	901	22	was	be	VBD
39142	901	23	taken	take	VBN
39142	901	24	by	by	IN
39142	901	25	Wollaston	Wollaston	NNP
39142	901	26	about	about	IN
39142	901	27	1802	1802	CD
39142	901	28	in	in	IN
39142	901	29	England	England	NNP
39142	901	30	.	.	.
39142	902	1	He	-PRON-	PRP
39142	902	2	saw	see	VBD
39142	902	3	that	that	IN
39142	902	4	by	by	IN
39142	902	5	receiving	receive	VBG
39142	902	6	the	the	DT
39142	902	7	light	light	NN
39142	902	8	through	through	IN
39142	902	9	a	a	DT
39142	902	10	narrow	narrow	JJ
39142	902	11	slit	slit	NN
39142	902	12	instead	instead	RB
39142	902	13	of	of	IN
39142	902	14	a	a	DT
39142	902	15	round	round	JJ
39142	902	16	hole	hole	NN
39142	902	17	,	,	,
39142	902	18	he	-PRON-	PRP
39142	902	19	got	get	VBD
39142	902	20	a	a	DT
39142	902	21	purer	purer	NN
39142	902	22	spectrum	spectrum	NN
39142	902	23	,	,	,
39142	902	24	spectrum	spectrum	NNP
39142	902	25	being	be	VBG
39142	902	26	the	the	DT
39142	902	27	name	name	NN
39142	902	28	given	give	VBN
39142	902	29	to	to	IN
39142	902	30	the	the	DT
39142	902	31	succession	succession	NN
39142	902	32	of	of	IN
39142	902	33	colors	color	NNS
39142	902	34	into	into	IN
39142	902	35	which	which	WDT
39142	902	36	the	the	DT
39142	902	37	prism	prism	NN
39142	902	38	splits	split	VBZ
39142	902	39	up	up	RP
39142	902	40	or	or	CC
39142	902	41	decomposes	decompose	VBZ
39142	902	42	the	the	DT
39142	902	43	original	original	JJ
39142	902	44	beam	beam	NN
39142	902	45	of	of	IN
39142	902	46	white	white	JJ
39142	902	47	sunlight	sunlight	NN
39142	902	48	.	.	.
39142	903	1	This	this	DT
39142	903	2	seemingly	seemingly	RB
39142	903	3	insignificant	insignificant	JJ
39142	903	4	change	change	NN
39142	903	5	,	,	,
39142	903	6	a	a	DT
39142	903	7	narrow	narrow	JJ
39142	903	8	slit	slit	NN
39142	903	9	replacing	replace	VBG
39142	903	10	the	the	DT
39142	903	11	round	round	JJ
39142	903	12	hole	hole	NN
39142	903	13	,	,	,
39142	903	14	made	make	VBD
39142	903	15	Wollaston	Wollaston	NNP
39142	903	16	and	and	CC
39142	903	17	not	not	RB
39142	903	18	Newton	Newton	NNP
39142	903	19	the	the	DT
39142	903	20	discoverer	discoverer	NN
39142	903	21	of	of	IN
39142	903	22	the	the	DT
39142	903	23	dark	dark	JJ
39142	903	24	lines	line	NNS
39142	903	25	crossing	cross	VBG
39142	903	26	the	the	DT
39142	903	27	spectrum	spectrum	NN
39142	903	28	at	at	IN
39142	903	29	various	various	JJ
39142	903	30	irregular	irregular	JJ
39142	903	31	intervals	interval	NNS
39142	903	32	,	,	,
39142	903	33	and	and	CC
39142	903	34	these	these	DT
39142	903	35	singularly	singularly	RB
39142	903	36	neglected	neglect	VBN
39142	903	37	lines	line	NNS
39142	903	38	meant	mean	VBD
39142	903	39	the	the	DT
39142	903	40	basis	basis	NN
39142	903	41	of	of	IN
39142	903	42	a	a	DT
39142	903	43	new	new	JJ
39142	903	44	and	and	CC
39142	903	45	most	most	RBS
39142	903	46	important	important	JJ
39142	903	47	science	science	NN
39142	903	48	.	.	.
39142	904	1	Even	even	RB
39142	904	2	Wollaston	Wollaston	NNP
39142	904	3	,	,	,
39142	904	4	however	however	RB
39142	904	5	,	,	,
39142	904	6	passed	pass	VBD
39142	904	7	them	-PRON-	PRP
39142	904	8	by	by	RB
39142	904	9	,	,	,
39142	904	10	and	and	CC
39142	904	11	it	-PRON-	PRP
39142	904	12	was	be	VBD
39142	904	13	Fraunhofer	Fraunhofer	NNP
39142	904	14	who	who	WP
39142	904	15	in	in	IN
39142	904	16	1814	1814	CD
39142	904	17	-	-	SYM
39142	904	18	1815	1815	CD
39142	904	19	first	first	RB
39142	904	20	made	make	VBD
39142	904	21	a	a	DT
39142	904	22	chart	chart	NN
39142	904	23	of	of	IN
39142	904	24	them	-PRON-	PRP
39142	904	25	.	.	.
39142	905	1	Consequently	consequently	RB
39142	905	2	they	-PRON-	PRP
39142	905	3	are	be	VBP
39142	905	4	known	know	VBN
39142	905	5	as	as	IN
39142	905	6	Fraunhofer	Fraunhofer	NNP
39142	905	7	lines	line	NNS
39142	905	8	,	,	,
39142	905	9	or	or	CC
39142	905	10	dark	dark	JJ
39142	905	11	absorption	absorption	NN
39142	905	12	lines	line	NNS
39142	905	13	.	.	.
39142	906	1	Sending	send	VBG
39142	906	2	the	the	DT
39142	906	3	beam	beam	NN
39142	906	4	of	of	IN
39142	906	5	light	light	NN
39142	906	6	through	through	IN
39142	906	7	a	a	DT
39142	906	8	succession	succession	NN
39142	906	9	of	of	IN
39142	906	10	prisms	prism	NNS
39142	906	11	gives	give	VBZ
39142	906	12	greater	great	JJR
39142	906	13	dispersion	dispersion	NN
39142	906	14	and	and	CC
39142	906	15	increases	increase	VBZ
39142	906	16	the	the	DT
39142	906	17	power	power	NN
39142	906	18	of	of	IN
39142	906	19	the	the	DT
39142	906	20	spectroscope	spectroscope	NN
39142	906	21	.	.	.
39142	907	1	The	the	DT
39142	907	2	greater	great	JJR
39142	907	3	the	the	DT
39142	907	4	dispersion	dispersion	NN
39142	907	5	the	the	DT
39142	907	6	greater	great	JJR
39142	907	7	the	the	DT
39142	907	8	number	number	NN
39142	907	9	of	of	IN
39142	907	10	absorption	absorption	NN
39142	907	11	lines	line	NNS
39142	907	12	;	;	:
39142	907	13	and	and	CC
39142	907	14	it	-PRON-	PRP
39142	907	15	is	be	VBZ
39142	907	16	the	the	DT
39142	907	17	number	number	NN
39142	907	18	and	and	CC
39142	907	19	intensity	intensity	NN
39142	907	20	of	of	IN
39142	907	21	these	these	DT
39142	907	22	lines	line	NNS
39142	907	23	,	,	,
39142	907	24	with	with	IN
39142	907	25	their	-PRON-	PRP$
39142	907	26	accurate	accurate	JJ
39142	907	27	position	position	NN
39142	907	28	throughout	throughout	IN
39142	907	29	the	the	DT
39142	907	30	range	range	NN
39142	907	31	of	of	IN
39142	907	32	the	the	DT
39142	907	33	spectrum	spectrum	NN
39142	907	34	which	which	WDT
39142	907	35	becomes	become	VBZ
39142	907	36	the	the	DT
39142	907	37	basis	basis	NN
39142	907	38	of	of	IN
39142	907	39	spectrum	spectrum	NNP
39142	907	40	analysis	analysis	NN
39142	907	41	.	.	.
39142	908	1	The	the	DT
39142	908	2	half	half	JJ
39142	908	3	century	century	NN
39142	908	4	that	that	WDT
39142	908	5	saw	see	VBD
39142	908	6	the	the	DT
39142	908	7	invention	invention	NN
39142	908	8	of	of	IN
39142	908	9	the	the	DT
39142	908	10	steam	steam	NN
39142	908	11	engine	engine	NN
39142	908	12	,	,	,
39142	908	13	photography	photography	NN
39142	908	14	,	,	,
39142	908	15	the	the	DT
39142	908	16	railroad	railroad	NN
39142	908	17	and	and	CC
39142	908	18	the	the	DT
39142	908	19	telegraph	telegraph	NN
39142	908	20	elapsed	elapse	VBD
39142	908	21	without	without	IN
39142	908	22	any	any	DT
39142	908	23	farther	farther	JJ
39142	908	24	developments	development	NNS
39142	908	25	than	than	IN
39142	908	26	mere	mere	JJ
39142	908	27	mapping	mapping	NN
39142	908	28	of	of	IN
39142	908	29	the	the	DT
39142	908	30	fundamental	fundamental	JJ
39142	908	31	lines	line	NNS
39142	908	32	,	,	,
39142	908	33	A	a	NN
39142	908	34	,	,	,
39142	908	35	B	B	NNP
39142	908	36	,	,	,
39142	908	37	C	C	NNP
39142	908	38	,	,	,
39142	908	39	D	d	NN
39142	908	40	,	,	,
39142	908	41	E	e	NN
39142	908	42	,	,	,
39142	908	43	F	F	NNP
39142	908	44	,	,	,
39142	908	45	G	G	NNP
39142	908	46	,	,	,
39142	908	47	H	h	NN
39142	908	48	of	of	IN
39142	908	49	the	the	DT
39142	908	50	solar	solar	JJ
39142	908	51	spectrum	spectrum	NN
39142	908	52	.	.	.
39142	909	1	The	the	DT
39142	909	2	moon	moon	NN
39142	909	3	,	,	,
39142	909	4	too	too	RB
39142	909	5	,	,	,
39142	909	6	was	be	VBD
39142	909	7	examined	examine	VBN
39142	909	8	and	and	CC
39142	909	9	its	-PRON-	PRP$
39142	909	10	spectrum	spectrum	NN
39142	909	11	found	find	VBD
39142	909	12	the	the	DT
39142	909	13	same	same	JJ
39142	909	14	,	,	,
39142	909	15	as	as	IN
39142	909	16	was	be	VBD
39142	909	17	to	to	TO
39142	909	18	be	be	VB
39142	909	19	expected	expect	VBN
39142	909	20	from	from	IN
39142	909	21	sunlight	sunlight	NN
39142	909	22	simply	simply	RB
39142	909	23	reflected	reflect	VBN
39142	909	24	.	.	.
39142	910	1	Sir	Sir	NNP
39142	910	2	John	John	NNP
39142	910	3	Herschel	Herschel	NNP
39142	910	4	and	and	CC
39142	910	5	other	other	JJ
39142	910	6	experimenters	experimenter	NNS
39142	910	7	came	come	VBD
39142	910	8	near	near	IN
39142	910	9	guessing	guess	VBG
39142	910	10	the	the	DT
39142	910	11	significance	significance	NN
39142	910	12	of	of	IN
39142	910	13	the	the	DT
39142	910	14	dark	dark	JJ
39142	910	15	lines	line	NNS
39142	910	16	,	,	,
39142	910	17	but	but	CC
39142	910	18	the	the	DT
39142	910	19	problem	problem	NN
39142	910	20	of	of	IN
39142	910	21	unraveling	unravel	VBG
39142	910	22	their	-PRON-	PRP$
39142	910	23	mystery	mystery	NN
39142	910	24	was	be	VBD
39142	910	25	finally	finally	RB
39142	910	26	solved	solve	VBN
39142	910	27	by	by	IN
39142	910	28	Bunsen	Bunsen	NNP
39142	910	29	and	and	CC
39142	910	30	Kirchhoff	Kirchhoff	NNP
39142	910	31	who	who	WP
39142	910	32	ascertained	ascertain	VBD
39142	910	33	that	that	IN
39142	910	34	an	an	DT
39142	910	35	incandescent	incandescent	JJ
39142	910	36	gas	gas	NN
39142	910	37	emits	emit	NNS
39142	910	38	rays	ray	NNS
39142	910	39	of	of	IN
39142	910	40	exactly	exactly	RB
39142	910	41	the	the	DT
39142	910	42	same	same	JJ
39142	910	43	degree	degree	NN
39142	910	44	of	of	IN
39142	910	45	refrangibility	refrangibility	NN
39142	910	46	which	which	WDT
39142	910	47	it	-PRON-	PRP
39142	910	48	absorbs	absorb	VBZ
39142	910	49	when	when	WRB
39142	910	50	white	white	JJ
39142	910	51	light	light	NN
39142	910	52	is	be	VBZ
39142	910	53	passed	pass	VBN
39142	910	54	through	through	IN
39142	910	55	it	-PRON-	PRP
39142	910	56	.	.	.
39142	911	1	This	this	DT
39142	911	2	great	great	JJ
39142	911	3	discovery	discovery	NN
39142	911	4	was	be	VBD
39142	911	5	at	at	IN
39142	911	6	once	once	RB
39142	911	7	received	receive	VBN
39142	911	8	as	as	IN
39142	911	9	the	the	DT
39142	911	10	secure	secure	JJ
39142	911	11	basis	basis	NN
39142	911	12	of	of	IN
39142	911	13	spectrum	spectrum	NNP
39142	911	14	analysis	analysis	NN
39142	911	15	,	,	,
39142	911	16	and	and	CC
39142	911	17	Kirchhoff	Kirchhoff	NNP
39142	911	18	in	in	IN
39142	911	19	1858	1858	CD
39142	911	20	put	put	VBN
39142	911	21	in	in	IN
39142	911	22	compact	compact	JJ
39142	911	23	and	and	CC
39142	911	24	comprehensive	comprehensive	JJ
39142	911	25	form	form	NN
39142	911	26	the	the	DT
39142	911	27	three	three	CD
39142	911	28	following	follow	VBG
39142	911	29	principles	principle	NNS
39142	911	30	underlying	underlie	VBG
39142	911	31	the	the	DT
39142	911	32	theory	theory	NN
39142	911	33	of	of	IN
39142	911	34	the	the	DT
39142	911	35	science	science	NN
39142	911	36	:	:	:
39142	911	37	(	(	-LRB-
39142	911	38	1	1	LS
39142	911	39	)	)	-RRB-
39142	911	40	Solid	solid	JJ
39142	911	41	and	and	CC
39142	911	42	liquid	liquid	JJ
39142	911	43	bodies	body	NNS
39142	911	44	,	,	,
39142	911	45	also	also	RB
39142	911	46	gases	gas	NNS
39142	911	47	under	under	IN
39142	911	48	high	high	JJ
39142	911	49	pressure	pressure	NN
39142	911	50	,	,	,
39142	911	51	give	give	VB
39142	911	52	when	when	WRB
39142	911	53	incandescent	incandescent	NN
39142	911	54	a	a	DT
39142	911	55	continuous	continuous	JJ
39142	911	56	spectrum	spectrum	NN
39142	911	57	,	,	,
39142	911	58	that	that	RB
39142	911	59	is	be	VBZ
39142	911	60	one	one	CD
39142	911	61	with	with	IN
39142	911	62	a	a	DT
39142	911	63	mere	mere	JJ
39142	911	64	succession	succession	NN
39142	911	65	of	of	IN
39142	911	66	colors	color	NNS
39142	911	67	,	,	,
39142	911	68	and	and	CC
39142	911	69	neither	neither	CC
39142	911	70	bright	bright	JJ
39142	911	71	nor	nor	CC
39142	911	72	dark	dark	JJ
39142	911	73	lines	line	NNS
39142	911	74	;	;	,
39142	911	75	(	(	-LRB-
39142	911	76	2	2	LS
39142	911	77	)	)	-RRB-
39142	911	78	Gases	gas	NNS
39142	911	79	under	under	IN
39142	911	80	low	low	JJ
39142	911	81	pressure	pressure	NN
39142	911	82	give	give	VBP
39142	911	83	a	a	DT
39142	911	84	discontinuous	discontinuous	JJ
39142	911	85	spectrum	spectrum	NN
39142	911	86	,	,	,
39142	911	87	crossed	cross	VBN
39142	911	88	by	by	IN
39142	911	89	bright	bright	JJ
39142	911	90	lines	line	NNS
39142	911	91	whose	whose	WP$
39142	911	92	number	number	NN
39142	911	93	and	and	CC
39142	911	94	position	position	NN
39142	911	95	in	in	IN
39142	911	96	the	the	DT
39142	911	97	spectrum	spectrum	NN
39142	911	98	differ	differ	NNP
39142	911	99	according	accord	VBG
39142	911	100	to	to	IN
39142	911	101	the	the	DT
39142	911	102	substances	substance	NNS
39142	911	103	vaporized	vaporize	VBN
39142	911	104	;	;	:
39142	911	105	(	(	-LRB-
39142	911	106	3	3	LS
39142	911	107	)	)	-RRB-
39142	911	108	When	when	WRB
39142	911	109	white	white	JJ
39142	911	110	light	light	NN
39142	911	111	passes	pass	VBZ
39142	911	112	through	through	IN
39142	911	113	a	a	DT
39142	911	114	gas	gas	NN
39142	911	115	,	,	,
39142	911	116	this	this	DT
39142	911	117	medium	medium	NN
39142	911	118	absorbs	absorb	VBZ
39142	911	119	or	or	CC
39142	911	120	quenches	quench	VBZ
39142	911	121	rays	ray	NNS
39142	911	122	of	of	IN
39142	911	123	identical	identical	JJ
39142	911	124	wave	wave	NN
39142	911	125	-	-	HYPH
39142	911	126	length	length	NN
39142	911	127	with	with	IN
39142	911	128	those	those	DT
39142	911	129	composing	compose	VBG
39142	911	130	its	-PRON-	PRP$
39142	911	131	own	own	JJ
39142	911	132	bright	bright	JJ
39142	911	133	-	-	HYPH
39142	911	134	line	line	NN
39142	911	135	spectrum	spectrum	NN
39142	911	136	.	.	.
39142	912	1	Clearly	clearly	RB
39142	912	2	then	then	RB
39142	912	3	it	-PRON-	PRP
39142	912	4	makes	make	VBZ
39142	912	5	no	no	DT
39142	912	6	difference	difference	NN
39142	912	7	where	where	WRB
39142	912	8	the	the	DT
39142	912	9	light	light	NN
39142	912	10	originates	originate	VBZ
39142	912	11	whether	whether	IN
39142	912	12	it	-PRON-	PRP
39142	912	13	comes	come	VBZ
39142	912	14	from	from	IN
39142	912	15	sun	sun	NN
39142	912	16	or	or	CC
39142	912	17	star	star	NN
39142	912	18	.	.	.
39142	913	1	Only	only	RB
39142	913	2	it	-PRON-	PRP
39142	913	3	must	must	MD
39142	913	4	be	be	VB
39142	913	5	bright	bright	JJ
39142	913	6	enough	enough	RB
39142	913	7	so	so	IN
39142	913	8	that	that	IN
39142	913	9	we	-PRON-	PRP
39142	913	10	can	can	MD
39142	913	11	analyze	analyze	VB
39142	913	12	it	-PRON-	PRP
39142	913	13	with	with	IN
39142	913	14	the	the	DT
39142	913	15	spectroscope	spectroscope	NN
39142	913	16	.	.	.
39142	914	1	But	but	CC
39142	914	2	our	-PRON-	PRP$
39142	914	3	analysis	analysis	NN
39142	914	4	of	of	IN
39142	914	5	sun	sun	NN
39142	914	6	and	and	CC
39142	914	7	star	star	NNP
39142	914	8	could	could	MD
39142	914	9	not	not	RB
39142	914	10	proceed	proceed	VB
39142	914	11	until	until	IN
39142	914	12	the	the	DT
39142	914	13	chemist	chemist	NN
39142	914	14	had	have	VBD
39142	914	15	vaporized	vaporize	VBN
39142	914	16	in	in	IN
39142	914	17	the	the	DT
39142	914	18	laboratory	laboratory	NN
39142	914	19	all	all	PDT
39142	914	20	the	the	DT
39142	914	21	elements	element	NNS
39142	914	22	,	,	,
39142	914	23	and	and	CC
39142	914	24	charted	chart	VBD
39142	914	25	their	-PRON-	PRP$
39142	914	26	spectra	spectra	NN
39142	914	27	with	with	IN
39142	914	28	accuracy	accuracy	NN
39142	914	29	.	.	.
39142	915	1	When	when	WRB
39142	915	2	this	this	DT
39142	915	3	had	have	VBD
39142	915	4	been	be	VBN
39142	915	5	done	do	VBN
39142	915	6	,	,	,
39142	915	7	every	every	DT
39142	915	8	substance	substance	NN
39142	915	9	became	become	VBD
39142	915	10	at	at	IN
39142	915	11	once	once	RB
39142	915	12	recognizable	recognizable	JJ
39142	915	13	by	by	IN
39142	915	14	the	the	DT
39142	915	15	number	number	NN
39142	915	16	and	and	CC
39142	915	17	position	position	NN
39142	915	18	of	of	IN
39142	915	19	its	-PRON-	PRP$
39142	915	20	lines	line	NNS
39142	915	21	,	,	,
39142	915	22	with	with	IN
39142	915	23	practical	practical	JJ
39142	915	24	certainty	certainty	NN
39142	915	25	.	.	.
39142	916	1	How	how	WRB
39142	916	2	then	then	RB
39142	916	3	can	can	MD
39142	916	4	we	-PRON-	PRP
39142	916	5	be	be	VB
39142	916	6	sure	sure	JJ
39142	916	7	of	of	IN
39142	916	8	the	the	DT
39142	916	9	chemical	chemical	JJ
39142	916	10	and	and	CC
39142	916	11	physical	physical	JJ
39142	916	12	composition	composition	NN
39142	916	13	of	of	IN
39142	916	14	sun	sun	NN
39142	916	15	and	and	CC
39142	916	16	stars	star	NNS
39142	916	17	?	?	.
39142	917	1	Only	only	RB
39142	917	2	by	by	IN
39142	917	3	detailed	detailed	JJ
39142	917	4	and	and	CC
39142	917	5	critical	critical	JJ
39142	917	6	comparison	comparison	NN
39142	917	7	of	of	IN
39142	917	8	their	-PRON-	PRP$
39142	917	9	spectra	spectra	NNP
39142	917	10	with	with	IN
39142	917	11	the	the	DT
39142	917	12	laboratory	laboratory	NN
39142	917	13	spectra	spectra	NN
39142	917	14	of	of	IN
39142	917	15	elements	element	NNS
39142	917	16	which	which	WDT
39142	917	17	chemical	chemical	NN
39142	917	18	and	and	CC
39142	917	19	physical	physical	JJ
39142	917	20	research	research	NN
39142	917	21	have	have	VBP
39142	917	22	supplied	supply	VBN
39142	917	23	.	.	.
39142	918	1	As	as	IN
39142	918	2	in	in	IN
39142	918	3	the	the	DT
39142	918	4	sun	sun	NN
39142	918	5	,	,	,
39142	918	6	so	so	RB
39142	918	7	in	in	IN
39142	918	8	the	the	DT
39142	918	9	stars	star	NNS
39142	918	10	,	,	,
39142	918	11	each	each	DT
39142	918	12	of	of	IN
39142	918	13	which	which	WDT
39142	918	14	is	be	VBZ
39142	918	15	encircled	encircle	VBN
39142	918	16	by	by	IN
39142	918	17	a	a	DT
39142	918	18	gaseous	gaseous	JJ
39142	918	19	absorptive	absorptive	JJ
39142	918	20	layer	layer	NN
39142	918	21	or	or	CC
39142	918	22	atmosphere	atmosphere	NN
39142	918	23	,	,	,
39142	918	24	the	the	DT
39142	918	25	light	light	JJ
39142	918	26	rays	ray	NNS
39142	918	27	from	from	IN
39142	918	28	the	the	DT
39142	918	29	self	self	NN
39142	918	30	-	-	HYPH
39142	918	31	luminous	luminous	JJ
39142	918	32	inner	inner	JJ
39142	918	33	sphere	sphere	NN
39142	918	34	must	must	MD
39142	918	35	pass	pass	VB
39142	918	36	through	through	IN
39142	918	37	this	this	DT
39142	918	38	reversing	reversing	NN
39142	918	39	layer	layer	NN
39142	918	40	,	,	,
39142	918	41	which	which	WDT
39142	918	42	absorbs	absorb	VBZ
39142	918	43	light	light	NN
39142	918	44	of	of	IN
39142	918	45	exactly	exactly	RB
39142	918	46	the	the	DT
39142	918	47	same	same	JJ
39142	918	48	wave	wave	NN
39142	918	49	-	-	HYPH
39142	918	50	length	length	NN
39142	918	51	as	as	IN
39142	918	52	the	the	DT
39142	918	53	lines	line	NNS
39142	918	54	that	that	WDT
39142	918	55	make	make	VBP
39142	918	56	up	up	RP
39142	918	57	its	-PRON-	PRP$
39142	918	58	own	own	JJ
39142	918	59	bright	bright	JJ
39142	918	60	line	line	NN
39142	918	61	spectrum	spectrum	NN
39142	918	62	.	.	.
39142	919	1	Whatever	whatever	WDT
39142	919	2	substances	substance	NNS
39142	919	3	are	be	VBP
39142	919	4	here	here	RB
39142	919	5	found	find	VBN
39142	919	6	in	in	IN
39142	919	7	gaseous	gaseous	JJ
39142	919	8	condition	condition	NN
39142	919	9	,	,	,
39142	919	10	the	the	DT
39142	919	11	same	same	JJ
39142	919	12	will	will	MD
39142	919	13	be	be	VB
39142	919	14	evident	evident	JJ
39142	919	15	by	by	IN
39142	919	16	dark	dark	JJ
39142	919	17	lines	line	NNS
39142	919	18	in	in	IN
39142	919	19	the	the	DT
39142	919	20	spectrum	spectrum	NN
39142	919	21	of	of	IN
39142	919	22	sun	sun	NNP
39142	919	23	or	or	CC
39142	919	24	star	star	NNP
39142	919	25	,	,	,
39142	919	26	and	and	CC
39142	919	27	the	the	DT
39142	919	28	position	position	NN
39142	919	29	of	of	IN
39142	919	30	these	these	DT
39142	919	31	dark	dark	JJ
39142	919	32	lines	line	NNS
39142	919	33	will	will	MD
39142	919	34	show	show	VB
39142	919	35	,	,	,
39142	919	36	by	by	IN
39142	919	37	coincidence	coincidence	NN
39142	919	38	with	with	IN
39142	919	39	the	the	DT
39142	919	40	position	position	NN
39142	919	41	of	of	IN
39142	919	42	the	the	DT
39142	919	43	laboratory	laboratory	NN
39142	919	44	bright	bright	JJ
39142	919	45	lines	line	NNS
39142	919	46	,	,	,
39142	919	47	all	all	PDT
39142	919	48	the	the	DT
39142	919	49	substances	substance	NNS
39142	919	50	that	that	WDT
39142	919	51	are	be	VBP
39142	919	52	vaporized	vaporize	VBN
39142	919	53	in	in	IN
39142	919	54	the	the	DT
39142	919	55	atmospheres	atmosphere	NNS
39142	919	56	of	of	IN
39142	919	57	the	the	DT
39142	919	58	self	self	NN
39142	919	59	-	-	HYPH
39142	919	60	luminous	luminous	JJ
39142	919	61	bodies	body	NNS
39142	919	62	of	of	IN
39142	919	63	the	the	DT
39142	919	64	sky	sky	NN
39142	919	65	.	.	.
39142	920	1	Here	here	RB
39142	920	2	then	then	RB
39142	920	3	originated	originate	VBD
39142	920	4	the	the	DT
39142	920	5	science	science	NN
39142	920	6	of	of	IN
39142	920	7	the	the	DT
39142	920	8	new	new	JJ
39142	920	9	astronomy	astronomy	NN
39142	920	10	:	:	:
39142	920	11	the	the	DT
39142	920	12	old	old	JJ
39142	920	13	astronomy	astronomy	NN
39142	920	14	had	have	VBD
39142	920	15	concerned	concern	VBN
39142	920	16	itself	-PRON-	PRP
39142	920	17	mainly	mainly	RB
39142	920	18	with	with	IN
39142	920	19	positions	position	NNS
39142	920	20	of	of	IN
39142	920	21	the	the	DT
39142	920	22	heavenly	heavenly	JJ
39142	920	23	bodies	body	NNS
39142	920	24	,	,	,
39142	920	25	_	_	NNP
39142	920	26	where	where	WRB
39142	920	27	_	_	NNP
39142	920	28	they	-PRON-	PRP
39142	920	29	are	be	VBP
39142	920	30	;	;	:
39142	920	31	the	the	DT
39142	920	32	new	new	JJ
39142	920	33	astronomy	astronomy	NN
39142	920	34	deals	deal	VBZ
39142	920	35	with	with	IN
39142	920	36	their	-PRON-	PRP$
39142	920	37	chemical	chemical	NN
39142	920	38	composition	composition	NN
39142	920	39	and	and	CC
39142	920	40	physical	physical	JJ
39142	920	41	constitution	constitution	NN
39142	920	42	,	,	,
39142	920	43	and	and	CC
39142	920	44	_	_	NNP
39142	920	45	what	what	WP
39142	920	46	_	_	NNP
39142	920	47	they	-PRON-	PRP
39142	920	48	are	be	VBP
39142	920	49	.	.	.
39142	921	1	Between	between	IN
39142	921	2	1865	1865	CD
39142	921	3	and	and	CC
39142	921	4	1875	1875	CD
39142	921	5	the	the	DT
39142	921	6	fundamental	fundamental	JJ
39142	921	7	application	application	NN
39142	921	8	of	of	IN
39142	921	9	the	the	DT
39142	921	10	basic	basic	JJ
39142	921	11	principles	principle	NNS
39142	921	12	was	be	VBD
39142	921	13	well	well	RB
39142	921	14	advanced	advanced	JJ
39142	921	15	by	by	IN
39142	921	16	the	the	DT
39142	921	17	researches	research	NNS
39142	921	18	of	of	IN
39142	921	19	Sir	Sir	NNP
39142	921	20	William	William	NNP
39142	921	21	Huggins	Huggins	NNP
39142	921	22	in	in	IN
39142	921	23	England	England	NNP
39142	921	24	,	,	,
39142	921	25	of	of	IN
39142	921	26	Father	Father	NNP
39142	921	27	Angelo	Angelo	NNP
39142	921	28	Secchi	Secchi	NNP
39142	921	29	in	in	IN
39142	921	30	Rome	Rome	NNP
39142	921	31	,	,	,
39142	921	32	of	of	IN
39142	921	33	Jules	Jules	NNP
39142	921	34	Janssen	Janssen	NNP
39142	921	35	in	in	IN
39142	921	36	Paris	Paris	NNP
39142	921	37	,	,	,
39142	921	38	and	and	CC
39142	921	39	of	of	IN
39142	921	40	Dr.	Dr.	NNP
39142	921	41	Henry	Henry	NNP
39142	921	42	Draper	Draper	NNP
39142	921	43	in	in	IN
39142	921	44	New	New	NNP
39142	921	45	York	York	NNP
39142	921	46	.	.	.
39142	922	1	In	in	IN
39142	922	2	analyzing	analyze	VBG
39142	922	3	the	the	DT
39142	922	4	spectrum	spectrum	NN
39142	922	5	of	of	IN
39142	922	6	the	the	DT
39142	922	7	sun	sun	NN
39142	922	8	,	,	,
39142	922	9	many	many	JJ
39142	922	10	thousands	thousand	NNS
39142	922	11	of	of	IN
39142	922	12	dark	dark	JJ
39142	922	13	absorption	absorption	NN
39142	922	14	lines	line	NNS
39142	922	15	are	be	VBP
39142	922	16	found	find	VBN
39142	922	17	,	,	,
39142	922	18	and	and	CC
39142	922	19	their	-PRON-	PRP$
39142	922	20	coincidences	coincidence	NNS
39142	922	21	with	with	IN
39142	922	22	the	the	DT
39142	922	23	bright	bright	JJ
39142	922	24	lines	line	NNS
39142	922	25	of	of	IN
39142	922	26	terrestrial	terrestrial	JJ
39142	922	27	elements	element	NNS
39142	922	28	show	show	VBP
39142	922	29	that	that	DT
39142	922	30	iron	iron	NN
39142	922	31	,	,	,
39142	922	32	for	for	IN
39142	922	33	instance	instance	NN
39142	922	34	,	,	,
39142	922	35	is	be	VBZ
39142	922	36	most	most	RBS
39142	922	37	prominently	prominently	RB
39142	922	38	identified	identify	VBN
39142	922	39	,	,	,
39142	922	40	with	with	IN
39142	922	41	rather	rather	RB
39142	922	42	more	more	JJR
39142	922	43	than	than	IN
39142	922	44	2,000	2,000	CD
39142	922	45	coincidences	coincidence	NNS
39142	922	46	of	of	IN
39142	922	47	bright	bright	JJ
39142	922	48	and	and	CC
39142	922	49	dark	dark	JJ
39142	922	50	lines	line	NNS
39142	922	51	.	.	.
39142	923	1	Calcium	calcium	NN
39142	923	2	,	,	,
39142	923	3	too	too	RB
39142	923	4	,	,	,
39142	923	5	is	be	VBZ
39142	923	6	indicated	indicate	VBN
39142	923	7	by	by	IN
39142	923	8	peculiar	peculiar	JJ
39142	923	9	intensity	intensity	NN
39142	923	10	of	of	IN
39142	923	11	its	-PRON-	PRP$
39142	923	12	lines	line	NNS
39142	923	13	,	,	,
39142	923	14	as	as	RB
39142	923	15	well	well	RB
39142	923	16	as	as	IN
39142	923	17	their	-PRON-	PRP$
39142	923	18	great	great	JJ
39142	923	19	number	number	NN
39142	923	20	.	.	.
39142	924	1	Next	next	RB
39142	924	2	in	in	IN
39142	924	3	order	order	NN
39142	924	4	are	be	VBP
39142	924	5	hydrogen	hydrogen	NN
39142	924	6	,	,	,
39142	924	7	nickel	nickel	NN
39142	924	8	and	and	CC
39142	924	9	sodium	sodium	NN
39142	924	10	.	.	.
39142	925	1	By	by	IN
39142	925	2	prolonged	prolonged	JJ
39142	925	3	and	and	CC
39142	925	4	minute	minute	NN
39142	925	5	comparison	comparison	NN
39142	925	6	of	of	IN
39142	925	7	the	the	DT
39142	925	8	solar	solar	JJ
39142	925	9	spectrum	spectrum	NN
39142	925	10	with	with	IN
39142	925	11	spectra	spectra	NN
39142	925	12	of	of	IN
39142	925	13	terrestrial	terrestrial	JJ
39142	925	14	elements	element	NNS
39142	925	15	,	,	,
39142	925	16	something	something	NN
39142	925	17	like	like	IN
39142	925	18	forty	forty	CD
39142	925	19	elemental	elemental	JJ
39142	925	20	substances	substance	NNS
39142	925	21	are	be	VBP
39142	925	22	now	now	RB
39142	925	23	known	know	VBN
39142	925	24	to	to	TO
39142	925	25	exist	exist	VB
39142	925	26	in	in	IN
39142	925	27	the	the	DT
39142	925	28	sun	sun	NN
39142	925	29	.	.	.
39142	926	1	Rowland	Rowland	NNP
39142	926	2	's	's	POS
39142	926	3	splendid	splendid	JJ
39142	926	4	photographs	photograph	NNS
39142	926	5	of	of	IN
39142	926	6	the	the	DT
39142	926	7	solar	solar	JJ
39142	926	8	spectrum	spectrum	NN
39142	926	9	have	have	VBP
39142	926	10	contributed	contribute	VBN
39142	926	11	most	most	RBS
39142	926	12	effectively	effectively	RB
39142	926	13	.	.	.
39142	927	1	About	about	IN
39142	927	2	half	half	NN
39142	927	3	of	of	IN
39142	927	4	these	these	DT
39142	927	5	elements	element	NNS
39142	927	6	,	,	,
39142	927	7	though	though	IN
39142	927	8	not	not	RB
39142	927	9	in	in	IN
39142	927	10	order	order	NN
39142	927	11	of	of	IN
39142	927	12	certainty	certainty	NN
39142	927	13	,	,	,
39142	927	14	are	be	VBP
39142	927	15	aluminum	aluminum	NN
39142	927	16	,	,	,
39142	927	17	cadmium	cadmium	NN
39142	927	18	,	,	,
39142	927	19	calcium	calcium	NN
39142	927	20	,	,	,
39142	927	21	carbon	carbon	NN
39142	927	22	,	,	,
39142	927	23	chromium	chromium	NN
39142	927	24	,	,	,
39142	927	25	cobalt	cobalt	NN
39142	927	26	,	,	,
39142	927	27	copper	copper	NN
39142	927	28	,	,	,
39142	927	29	hydrogen	hydrogen	NN
39142	927	30	,	,	,
39142	927	31	iron	iron	NN
39142	927	32	,	,	,
39142	927	33	magnesium	magnesium	NN
39142	927	34	,	,	,
39142	927	35	manganese	manganese	JJ
39142	927	36	,	,	,
39142	927	37	nickel	nickel	NN
39142	927	38	,	,	,
39142	927	39	scandium	scandium	NN
39142	927	40	,	,	,
39142	927	41	silicon	silicon	NN
39142	927	42	,	,	,
39142	927	43	silver	silver	NN
39142	927	44	,	,	,
39142	927	45	sodium	sodium	NN
39142	927	46	,	,	,
39142	927	47	titanium	titanium	NN
39142	927	48	,	,	,
39142	927	49	vanadium	vanadium	NN
39142	927	50	,	,	,
39142	927	51	yttrium	yttrium	NN
39142	927	52	,	,	,
39142	927	53	zinc	zinc	NN
39142	927	54	,	,	,
39142	927	55	and	and	CC
39142	927	56	zirconium	zirconium	NN
39142	927	57	.	.	.
39142	928	1	Oxygen	oxygen	NN
39142	928	2	,	,	,
39142	928	3	too	too	RB
39142	928	4	,	,	,
39142	928	5	is	be	VBZ
39142	928	6	pretty	pretty	RB
39142	928	7	surely	surely	RB
39142	928	8	indicated	indicate	VBN
39142	928	9	;	;	:
39142	928	10	but	but	CC
39142	928	11	certain	certain	JJ
39142	928	12	elements	element	NNS
39142	928	13	abundant	abundant	JJ
39142	928	14	on	on	IN
39142	928	15	earth	earth	NN
39142	928	16	,	,	,
39142	928	17	as	as	IN
39142	928	18	nitrogen	nitrogen	NN
39142	928	19	and	and	CC
39142	928	20	chlorine	chlorine	NN
39142	928	21	,	,	,
39142	928	22	together	together	RB
39142	928	23	with	with	IN
39142	928	24	gold	gold	NN
39142	928	25	,	,	,
39142	928	26	mercury	mercury	NN
39142	928	27	,	,	,
39142	928	28	phosphorus	phosphorus	NN
39142	928	29	,	,	,
39142	928	30	and	and	CC
39142	928	31	sulphur	sulphur	NNP
39142	928	32	,	,	,
39142	928	33	are	be	VBP
39142	928	34	not	not	RB
39142	928	35	found	find	VBN
39142	928	36	in	in	IN
39142	928	37	the	the	DT
39142	928	38	sun	sun	NN
39142	928	39	.	.	.
39142	929	1	The	the	DT
39142	929	2	two	two	CD
39142	929	3	brilliant	brilliant	JJ
39142	929	4	red	red	JJ
39142	929	5	stars	star	NNS
39142	929	6	,	,	,
39142	929	7	Aldebaran	Aldebaran	NNP
39142	929	8	in	in	IN
39142	929	9	Taurus	Taurus	NNP
39142	929	10	,	,	,
39142	929	11	and	and	CC
39142	929	12	Betelgeuse	Betelgeuse	NNP
39142	929	13	in	in	IN
39142	929	14	Orion	Orion	NNP
39142	929	15	,	,	,
39142	929	16	were	be	VBD
39142	929	17	the	the	DT
39142	929	18	first	first	JJ
39142	929	19	stars	star	NNS
39142	929	20	whose	whose	WP$
39142	929	21	chemical	chemical	NN
39142	929	22	constitution	constitution	NN
39142	929	23	was	be	VBD
39142	929	24	revealed	reveal	VBN
39142	929	25	to	to	IN
39142	929	26	the	the	DT
39142	929	27	eye	eye	NN
39142	929	28	of	of	IN
39142	929	29	man	man	NN
39142	929	30	,	,	,
39142	929	31	and	and	CC
39142	929	32	Sir	Sir	NNP
39142	929	33	William	William	NNP
39142	929	34	Huggins	Huggins	NNP
39142	929	35	of	of	IN
39142	929	36	London	London	NNP
39142	929	37	was	be	VBD
39142	929	38	the	the	DT
39142	929	39	astronomer	astronomer	NN
39142	929	40	who	who	WP
39142	929	41	achieved	achieve	VBD
39142	929	42	this	this	DT
39142	929	43	epoch	epoch	NN
39142	929	44	-	-	HYPH
39142	929	45	making	make	VBG
39142	929	46	result	result	NN
39142	929	47	.	.	.
39142	930	1	Father	Father	NNP
39142	930	2	Secchi	Secchi	NNP
39142	930	3	of	of	IN
39142	930	4	the	the	DT
39142	930	5	Vatican	Vatican	NNP
39142	930	6	Observatory	Observatory	NNP
39142	930	7	proceeded	proceed	VBD
39142	930	8	at	at	IN
39142	930	9	once	once	RB
39142	930	10	with	with	IN
39142	930	11	the	the	DT
39142	930	12	visual	visual	JJ
39142	930	13	examination	examination	NN
39142	930	14	of	of	IN
39142	930	15	the	the	DT
39142	930	16	spectra	spectra	NN
39142	930	17	of	of	IN
39142	930	18	hundreds	hundred	NNS
39142	930	19	of	of	IN
39142	930	20	the	the	DT
39142	930	21	brighter	bright	JJR
39142	930	22	stars	star	NNS
39142	930	23	,	,	,
39142	930	24	and	and	CC
39142	930	25	he	-PRON-	PRP
39142	930	26	was	be	VBD
39142	930	27	the	the	DT
39142	930	28	first	first	JJ
39142	930	29	to	to	TO
39142	930	30	provide	provide	VB
39142	930	31	a	a	DT
39142	930	32	classification	classification	NN
39142	930	33	of	of	IN
39142	930	34	stellar	stellar	JJ
39142	930	35	spectra	spectra	NN
39142	930	36	.	.	.
39142	931	1	There	there	EX
39142	931	2	were	be	VBD
39142	931	3	four	four	CD
39142	931	4	types	type	NNS
39142	931	5	.	.	.
39142	932	1	Secchi	Secchi	NNP
39142	932	2	's	's	POS
39142	932	3	type	type	NN
39142	932	4	I	-PRON-	PRP
39142	932	5	is	be	VBZ
39142	932	6	characterized	characterize	VBN
39142	932	7	chiefly	chiefly	RB
39142	932	8	by	by	IN
39142	932	9	the	the	DT
39142	932	10	breadth	breadth	NN
39142	932	11	and	and	CC
39142	932	12	intensity	intensity	NN
39142	932	13	of	of	IN
39142	932	14	dark	dark	JJ
39142	932	15	hydrogen	hydrogen	NN
39142	932	16	lines	line	NNS
39142	932	17	,	,	,
39142	932	18	together	together	RB
39142	932	19	with	with	IN
39142	932	20	a	a	DT
39142	932	21	faintness	faintness	NN
39142	932	22	or	or	CC
39142	932	23	entire	entire	JJ
39142	932	24	absence	absence	NN
39142	932	25	of	of	IN
39142	932	26	metallic	metallic	JJ
39142	932	27	lines	line	NNS
39142	932	28	.	.	.
39142	933	1	These	these	DT
39142	933	2	are	be	VBP
39142	933	3	bluish	bluish	JJ
39142	933	4	or	or	CC
39142	933	5	white	white	JJ
39142	933	6	stars	star	NNS
39142	933	7	and	and	CC
39142	933	8	they	-PRON-	PRP
39142	933	9	are	be	VBP
39142	933	10	very	very	RB
39142	933	11	abundant	abundant	JJ
39142	933	12	,	,	,
39142	933	13	nearly	nearly	RB
39142	933	14	half	half	NN
39142	933	15	of	of	IN
39142	933	16	all	all	PDT
39142	933	17	the	the	DT
39142	933	18	stars	star	NNS
39142	933	19	.	.	.
39142	934	1	Vega	Vega	NNP
39142	934	2	,	,	,
39142	934	3	Altair	Altair	NNP
39142	934	4	,	,	,
39142	934	5	and	and	CC
39142	934	6	numerous	numerous	JJ
39142	934	7	other	other	JJ
39142	934	8	bright	bright	JJ
39142	934	9	stars	star	NNS
39142	934	10	belong	belong	VBP
39142	934	11	to	to	IN
39142	934	12	this	this	DT
39142	934	13	type	type	NN
39142	934	14	,	,	,
39142	934	15	and	and	CC
39142	934	16	especially	especially	RB
39142	934	17	Sirius	Sirius	NNP
39142	934	18	,	,	,
39142	934	19	which	which	WDT
39142	934	20	gives	give	VBZ
39142	934	21	to	to	IN
39142	934	22	the	the	DT
39142	934	23	type	type	NN
39142	934	24	the	the	DT
39142	934	25	name	name	NN
39142	934	26	"	"	``
39142	934	27	Sirians	Sirians	NNPS
39142	934	28	.	.	.
39142	934	29	"	"	''
39142	935	1	Type	Type	NNP
39142	935	2	II	II	NNP
39142	935	3	is	be	VBZ
39142	935	4	characterized	characterize	VBN
39142	935	5	by	by	IN
39142	935	6	a	a	DT
39142	935	7	multitude	multitude	NN
39142	935	8	of	of	IN
39142	935	9	fine	fine	JJ
39142	935	10	dark	dark	JJ
39142	935	11	metallic	metallic	JJ
39142	935	12	lines	line	NNS
39142	935	13	,	,	,
39142	935	14	closely	closely	RB
39142	935	15	resembling	resemble	VBG
39142	935	16	the	the	DT
39142	935	17	lines	line	NNS
39142	935	18	of	of	IN
39142	935	19	the	the	DT
39142	935	20	solar	solar	JJ
39142	935	21	spectrum	spectrum	NN
39142	935	22	.	.	.
39142	936	1	These	these	DT
39142	936	2	stars	star	NNS
39142	936	3	are	be	VBP
39142	936	4	somewhat	somewhat	RB
39142	936	5	yellowish	yellowish	JJ
39142	936	6	in	in	IN
39142	936	7	tinge	tinge	NN
39142	936	8	like	like	IN
39142	936	9	the	the	DT
39142	936	10	sun	sun	NN
39142	936	11	,	,	,
39142	936	12	and	and	CC
39142	936	13	from	from	IN
39142	936	14	this	this	DT
39142	936	15	similarity	similarity	NN
39142	936	16	of	of	IN
39142	936	17	spectra	spectra	NNP
39142	936	18	they	-PRON-	PRP
39142	936	19	are	be	VBP
39142	936	20	called	call	VBN
39142	936	21	"	"	``
39142	936	22	solars	solar	NNS
39142	936	23	.	.	.
39142	936	24	"	"	''
39142	937	1	Arcturus	Arcturus	NNP
39142	937	2	and	and	CC
39142	937	3	Capella	Capella	NNP
39142	937	4	are	be	VBP
39142	937	5	"	"	``
39142	937	6	solars	solar	NNS
39142	937	7	,	,	,
39142	937	8	"	"	''
39142	937	9	and	and	CC
39142	937	10	on	on	IN
39142	937	11	the	the	DT
39142	937	12	whole	whole	NN
39142	937	13	the	the	DT
39142	937	14	solars	solar	NNS
39142	937	15	are	be	VBP
39142	937	16	rather	rather	RB
39142	937	17	less	less	RBR
39142	937	18	numerous	numerous	JJ
39142	937	19	than	than	IN
39142	937	20	the	the	DT
39142	937	21	Sirians	Sirians	NNPS
39142	937	22	.	.	.
39142	938	1	Stars	star	NNS
39142	938	2	nearest	nearest	RB
39142	938	3	to	to	IN
39142	938	4	the	the	DT
39142	938	5	solar	solar	JJ
39142	938	6	system	system	NN
39142	938	7	are	be	VBP
39142	938	8	mostly	mostly	RB
39142	938	9	of	of	IN
39142	938	10	this	this	DT
39142	938	11	type	type	NN
39142	938	12	,	,	,
39142	938	13	and	and	CC
39142	938	14	,	,	,
39142	938	15	according	accord	VBG
39142	938	16	to	to	IN
39142	938	17	Kapteyn	Kapteyn	NNP
39142	938	18	of	of	IN
39142	938	19	Groningen	Groningen	NNP
39142	938	20	,	,	,
39142	938	21	the	the	DT
39142	938	22	absolute	absolute	JJ
39142	938	23	luminous	luminous	JJ
39142	938	24	power	power	NN
39142	938	25	of	of	IN
39142	938	26	first	first	JJ
39142	938	27	type	type	NN
39142	938	28	stars	star	NNS
39142	938	29	exceeds	exceed	VBZ
39142	938	30	that	that	DT
39142	938	31	of	of	IN
39142	938	32	second	second	JJ
39142	938	33	type	type	NN
39142	938	34	stars	star	VBZ
39142	938	35	seven	seven	RB
39142	938	36	-	-	RB
39142	938	37	fold	fold	RB
39142	938	38	.	.	.
39142	939	1	Secchi	Secchi	NNP
39142	939	2	's	's	POS
39142	939	3	type	type	NN
39142	939	4	III	III	NNP
39142	939	5	is	be	VBZ
39142	939	6	characterized	characterize	VBN
39142	939	7	by	by	IN
39142	939	8	many	many	JJ
39142	939	9	dark	dark	JJ
39142	939	10	bands	band	NNS
39142	939	11	,	,	,
39142	939	12	well	well	RB
39142	939	13	defined	define	VBN
39142	939	14	on	on	IN
39142	939	15	the	the	DT
39142	939	16	side	side	NN
39142	939	17	toward	toward	IN
39142	939	18	the	the	DT
39142	939	19	blue	blue	JJ
39142	939	20	end	end	NN
39142	939	21	of	of	IN
39142	939	22	the	the	DT
39142	939	23	spectrum	spectrum	NN
39142	939	24	,	,	,
39142	939	25	but	but	CC
39142	939	26	shading	shade	VBG
39142	939	27	off	off	RP
39142	939	28	toward	toward	IN
39142	939	29	the	the	DT
39142	939	30	red	red	NN
39142	939	31	--	--	:
39142	939	32	a	a	DT
39142	939	33	"	"	``
39142	939	34	colonnaded	colonnaded	JJ
39142	939	35	spectrum	spectrum	NN
39142	939	36	"	"	''
39142	939	37	,	,	,
39142	939	38	as	as	IN
39142	939	39	Miss	Miss	NNP
39142	939	40	Clerke	Clerke	NNP
39142	939	41	aptly	aptly	RB
39142	939	42	terms	term	VBZ
39142	939	43	it	-PRON-	PRP
39142	939	44	.	.	.
39142	940	1	Alpha	Alpha	NNP
39142	940	2	Herculis	Herculis	NNP
39142	940	3	,	,	,
39142	940	4	Antares	Antares	NNP
39142	940	5	,	,	,
39142	940	6	and	and	CC
39142	940	7	Mira	Mira	NNP
39142	940	8	,	,	,
39142	940	9	together	together	RB
39142	940	10	with	with	IN
39142	940	11	orange	orange	JJ
39142	940	12	and	and	CC
39142	940	13	reddish	reddish	JJ
39142	940	14	stars	star	NNS
39142	940	15	and	and	CC
39142	940	16	most	most	JJS
39142	940	17	of	of	IN
39142	940	18	the	the	DT
39142	940	19	variable	variable	JJ
39142	940	20	stars	star	NNS
39142	940	21	,	,	,
39142	940	22	belong	belong	VBP
39142	940	23	in	in	IN
39142	940	24	type	type	NN
39142	940	25	III	III	NNP
39142	940	26	.	.	.
39142	941	1	Type	Type	NNP
39142	941	2	IV	IV	NNP
39142	941	3	is	be	VBZ
39142	941	4	also	also	RB
39142	941	5	characterized	characterize	VBN
39142	941	6	by	by	IN
39142	941	7	dark	dark	JJ
39142	941	8	bands	band	NNS
39142	941	9	,	,	,
39142	941	10	often	often	RB
39142	941	11	called	call	VBD
39142	941	12	"	"	``
39142	941	13	flutings	fluting	NNS
39142	941	14	,	,	,
39142	941	15	"	"	''
39142	941	16	similar	similar	JJ
39142	941	17	to	to	IN
39142	941	18	those	those	DT
39142	941	19	of	of	IN
39142	941	20	type	type	NN
39142	941	21	III	III	NNP
39142	941	22	,	,	,
39142	941	23	but	but	CC
39142	941	24	reversed	reverse	VBD
39142	941	25	as	as	IN
39142	941	26	to	to	IN
39142	941	27	shading	shading	NN
39142	941	28	,	,	,
39142	941	29	that	that	RB
39142	941	30	is	is	RB
39142	941	31	,	,	,
39142	941	32	well	well	RB
39142	941	33	defined	define	VBN
39142	941	34	on	on	IN
39142	941	35	the	the	DT
39142	941	36	side	side	NN
39142	941	37	toward	toward	IN
39142	941	38	the	the	DT
39142	941	39	red	red	NN
39142	941	40	,	,	,
39142	941	41	but	but	CC
39142	941	42	fading	fade	VBG
39142	941	43	out	out	RP
39142	941	44	toward	toward	IN
39142	941	45	the	the	DT
39142	941	46	blue	blue	NN
39142	941	47	.	.	.
39142	942	1	Their	-PRON-	PRP$
39142	942	2	atmospheres	atmosphere	NNS
39142	942	3	contain	contain	VBP
39142	942	4	carbon	carbon	NN
39142	942	5	;	;	:
39142	942	6	but	but	CC
39142	942	7	they	-PRON-	PRP
39142	942	8	are	be	VBP
39142	942	9	not	not	RB
39142	942	10	abundant	abundant	JJ
39142	942	11	,	,	,
39142	942	12	besides	besides	IN
39142	942	13	being	be	VBG
39142	942	14	faint	faint	JJ
39142	942	15	and	and	CC
39142	942	16	nearly	nearly	RB
39142	942	17	all	all	DT
39142	942	18	blood	blood	NN
39142	942	19	-	-	HYPH
39142	942	20	red	red	JJ
39142	942	21	in	in	IN
39142	942	22	tint	tint	NN
39142	942	23	.	.	.
39142	943	1	Following	follow	VBG
39142	943	2	up	up	RP
39142	943	3	the	the	DT
39142	943	4	brilliant	brilliant	JJ
39142	943	5	researches	research	NNS
39142	943	6	of	of	IN
39142	943	7	Draper	Draper	NNP
39142	943	8	,	,	,
39142	943	9	who	who	WP
39142	943	10	in	in	IN
39142	943	11	1872	1872	CD
39142	943	12	obtained	obtain	VBD
39142	943	13	the	the	DT
39142	943	14	first	first	JJ
39142	943	15	successful	successful	JJ
39142	943	16	photograph	photograph	NN
39142	943	17	of	of	IN
39142	943	18	a	a	DT
39142	943	19	star	star	NN
39142	943	20	's	's	POS
39142	943	21	spectrum	spectrum	NN
39142	943	22	,	,	,
39142	943	23	that	that	DT
39142	943	24	of	of	IN
39142	943	25	Vega	Vega	NNP
39142	943	26	,	,	,
39142	943	27	Pickering	Pickering	NNP
39142	943	28	of	of	IN
39142	943	29	Harvard	Harvard	NNP
39142	943	30	supplemented	supplement	VBD
39142	943	31	Secchi	Secchi	NNP
39142	943	32	's	's	POS
39142	943	33	classification	classification	NN
39142	943	34	by	by	IN
39142	943	35	Type	Type	NNP
39142	943	36	V	V	NNP
39142	943	37	,	,	,
39142	943	38	a	a	DT
39142	943	39	spectrum	spectrum	NN
39142	943	40	characterized	characterize	VBN
39142	943	41	by	by	IN
39142	943	42	bright	bright	JJ
39142	943	43	lines	line	NNS
39142	943	44	.	.	.
39142	944	1	They	-PRON-	PRP
39142	944	2	,	,	,
39142	944	3	too	too	RB
39142	944	4	,	,	,
39142	944	5	are	be	VBP
39142	944	6	not	not	RB
39142	944	7	abundant	abundant	JJ
39142	944	8	and	and	CC
39142	944	9	are	be	VBP
39142	944	10	all	all	DT
39142	944	11	found	find	VBN
39142	944	12	near	near	IN
39142	944	13	the	the	DT
39142	944	14	middle	middle	NN
39142	944	15	of	of	IN
39142	944	16	the	the	DT
39142	944	17	Galaxy	Galaxy	NNP
39142	944	18	.	.	.
39142	945	1	These	these	DT
39142	945	2	are	be	VBP
39142	945	3	usually	usually	RB
39142	945	4	known	know	VBN
39142	945	5	as	as	IN
39142	945	6	Wolf	Wolf	NNP
39142	945	7	-	-	HYPH
39142	945	8	Rayet	Rayet	NNP
39142	945	9	stars	star	NNS
39142	945	10	,	,	,
39142	945	11	from	from	IN
39142	945	12	the	the	DT
39142	945	13	two	two	CD
39142	945	14	Paris	Paris	NNP
39142	945	15	astronomers	astronomer	NNS
39142	945	16	who	who	WP
39142	945	17	first	first	RB
39142	945	18	investigated	investigate	VBD
39142	945	19	their	-PRON-	PRP$
39142	945	20	spectra	spectra	NN
39142	945	21	.	.	.
39142	946	1	Type	type	NN
39142	946	2	V	V	NNP
39142	946	3	stars	star	NNS
39142	946	4	are	be	VBP
39142	946	5	a	a	DT
39142	946	6	class	class	NN
39142	946	7	of	of	IN
39142	946	8	objects	object	NNS
39142	946	9	seemingly	seemingly	RB
39142	946	10	apart	apart	RB
39142	946	11	from	from	IN
39142	946	12	the	the	DT
39142	946	13	rest	rest	NN
39142	946	14	of	of	IN
39142	946	15	the	the	DT
39142	946	16	stellar	stellar	JJ
39142	946	17	universe	universe	NN
39142	946	18	,	,	,
39142	946	19	and	and	CC
39142	946	20	many	many	JJ
39142	946	21	of	of	IN
39142	946	22	the	the	DT
39142	946	23	planetary	planetary	NN
39142	946	24	nebulæ	nebulæ	NN
39142	946	25	yield	yield	VBP
39142	946	26	the	the	DT
39142	946	27	same	same	JJ
39142	946	28	sort	sort	NN
39142	946	29	of	of	IN
39142	946	30	a	a	DT
39142	946	31	spectrum	spectrum	NN
39142	946	32	.	.	.
39142	947	1	The	the	DT
39142	947	2	late	late	JJ
39142	947	3	Mrs.	Mrs.	NNP
39142	947	4	Anna	Anna	NNP
39142	947	5	Palmer	Palmer	NNP
39142	947	6	Draper	Draper	NNP
39142	947	7	,	,	,
39142	947	8	widow	widow	NN
39142	947	9	of	of	IN
39142	947	10	Dr.	Dr.	NNP
39142	947	11	Henry	Henry	NNP
39142	947	12	Draper	Draper	NNP
39142	947	13	,	,	,
39142	947	14	established	establish	VBD
39142	947	15	the	the	DT
39142	947	16	Henry	Henry	NNP
39142	947	17	Draper	Draper	NNP
39142	947	18	Memorial	Memorial	NNP
39142	947	19	at	at	IN
39142	947	20	Harvard	Harvard	NNP
39142	947	21	,	,	,
39142	947	22	and	and	CC
39142	947	23	investigation	investigation	NN
39142	947	24	of	of	IN
39142	947	25	the	the	DT
39142	947	26	photographic	photographic	JJ
39142	947	27	spectra	spectra	NN
39142	947	28	of	of	IN
39142	947	29	all	all	PDT
39142	947	30	the	the	DT
39142	947	31	brighter	bright	JJR
39142	947	32	stars	star	NNS
39142	947	33	of	of	IN
39142	947	34	the	the	DT
39142	947	35	entire	entire	JJ
39142	947	36	heavens	heaven	NNS
39142	947	37	has	have	VBZ
39142	947	38	been	be	VBN
39142	947	39	prosecuted	prosecute	VBN
39142	947	40	on	on	IN
39142	947	41	a	a	DT
39142	947	42	comprehensive	comprehensive	JJ
39142	947	43	scale	scale	NN
39142	947	44	,	,	,
39142	947	45	those	those	DT
39142	947	46	of	of	IN
39142	947	47	the	the	DT
39142	947	48	northern	northern	JJ
39142	947	49	hemisphere	hemisphere	NN
39142	947	50	at	at	IN
39142	947	51	Cambridge	Cambridge	NNP
39142	947	52	,	,	,
39142	947	53	and	and	CC
39142	947	54	of	of	IN
39142	947	55	the	the	DT
39142	947	56	southern	southern	JJ
39142	947	57	at	at	IN
39142	947	58	Arequipa	Arequipa	NNP
39142	947	59	,	,	,
39142	947	60	Peru	Peru	NNP
39142	947	61	.	.	.
39142	948	1	These	these	DT
39142	948	2	researches	research	NNS
39142	948	3	have	have	VBP
39142	948	4	led	lead	VBN
39142	948	5	to	to	IN
39142	948	6	a	a	DT
39142	948	7	broad	broad	JJ
39142	948	8	reclassification	reclassification	NN
39142	948	9	of	of	IN
39142	948	10	the	the	DT
39142	948	11	stars	star	NNS
39142	948	12	into	into	IN
39142	948	13	eight	eight	CD
39142	948	14	distinct	distinct	JJ
39142	948	15	groups	group	NNS
39142	948	16	,	,	,
39142	948	17	a	a	DT
39142	948	18	work	work	NN
39142	948	19	of	of	IN
39142	948	20	exceptional	exceptional	JJ
39142	948	21	magnitude	magnitude	NN
39142	948	22	begun	begin	VBN
39142	948	23	by	by	IN
39142	948	24	the	the	DT
39142	948	25	late	late	JJ
39142	948	26	Mrs.	Mrs.	NNP
39142	948	27	Fleming	Fleming	NNP
39142	948	28	and	and	CC
39142	948	29	recently	recently	RB
39142	948	30	completed	complete	VBN
39142	948	31	by	by	IN
39142	948	32	Miss	Miss	NNP
39142	948	33	Annie	Annie	NNP
39142	948	34	Cannon	Cannon	NNP
39142	948	35	,	,	,
39142	948	36	who	who	WP
39142	948	37	classified	classify	VBD
39142	948	38	the	the	DT
39142	948	39	photographic	photographic	JJ
39142	948	40	spectra	spectra	NN
39142	948	41	of	of	IN
39142	948	42	more	more	JJR
39142	948	43	than	than	IN
39142	948	44	230,000	230,000	CD
39142	948	45	stars	star	NNS
39142	948	46	on	on	IN
39142	948	47	the	the	DT
39142	948	48	new	new	JJ
39142	948	49	system	system	NN
39142	948	50	,	,	,
39142	948	51	as	as	IN
39142	948	52	follows:--	follows:--	``
39142	948	53	The	the	DT
39142	948	54	letters	letter	NNS
39142	948	55	O	o	UH
39142	948	56	,	,	,
39142	948	57	B	b	NN
39142	948	58	,	,	,
39142	948	59	A	A	NNP
39142	948	60	,	,	,
39142	948	61	F	F	NNP
39142	948	62	,	,	,
39142	948	63	G	G	NNP
39142	948	64	,	,	,
39142	948	65	K	K	NNP
39142	948	66	,	,	,
39142	948	67	M	M	NNP
39142	948	68	,	,	,
39142	948	69	N	n	CD
39142	948	70	represent	represent	VBP
39142	948	71	a	a	DT
39142	948	72	continuous	continuous	JJ
39142	948	73	gradation	gradation	NN
39142	948	74	in	in	IN
39142	948	75	the	the	DT
39142	948	76	supposed	suppose	VBN
39142	948	77	order	order	NN
39142	948	78	of	of	IN
39142	948	79	stellar	stellar	JJ
39142	948	80	evolution	evolution	NN
39142	948	81	,	,	,
39142	948	82	and	and	CC
39142	948	83	farther	farther	JJ
39142	948	84	subdivision	subdivision	NN
39142	948	85	is	be	VBZ
39142	948	86	indicated	indicate	VBN
39142	948	87	by	by	IN
39142	948	88	tenths	tenth	NNS
39142	948	89	,	,	,
39142	948	90	G5	G5	NNP
39142	948	91	K	K	NNP
39142	948	92	meaning	mean	VBG
39142	948	93	a	a	DT
39142	948	94	type	type	NN
39142	948	95	half	half	JJ
39142	948	96	way	way	NN
39142	948	97	between	between	IN
39142	948	98	G	g	NN
39142	948	99	and	and	CC
39142	948	100	K	K	NNP
39142	948	101	,	,	,
39142	948	102	and	and	CC
39142	948	103	usually	usually	RB
39142	948	104	written	write	VBN
39142	948	105	G5	g5	NN
39142	948	106	simply	simply	RB
39142	948	107	.	.	.
39142	949	1	B2	b2	NN
39142	949	2	would	would	MD
39142	949	3	indicate	indicate	VB
39142	949	4	a	a	DT
39142	949	5	type	type	NN
39142	949	6	between	between	IN
39142	949	7	B	b	NN
39142	949	8	and	and	CC
39142	949	9	A	A	NNP
39142	949	10	,	,	,
39142	949	11	but	but	CC
39142	949	12	nearer	near	JJR
39142	949	13	to	to	IN
39142	949	14	B	b	NN
39142	949	15	than	than	IN
39142	949	16	A	a	NN
39142	949	17	,	,	,
39142	949	18	and	and	CC
39142	949	19	so	so	RB
39142	949	20	on	on	RB
39142	949	21	.	.	.
39142	950	1	On	on	IN
39142	950	2	this	this	DT
39142	950	3	system	system	NN
39142	950	4	,	,	,
39142	950	5	the	the	DT
39142	950	6	spectrum	spectrum	NN
39142	950	7	of	of	IN
39142	950	8	a	a	DT
39142	950	9	star	star	NN
39142	950	10	in	in	IN
39142	950	11	the	the	DT
39142	950	12	earliest	early	JJS
39142	950	13	stages	stage	NNS
39142	950	14	of	of	IN
39142	950	15	its	-PRON-	PRP$
39142	950	16	evolution	evolution	NN
39142	950	17	is	be	VBZ
39142	950	18	made	make	VBN
39142	950	19	up	up	RP
39142	950	20	of	of	IN
39142	950	21	diffuse	diffuse	NN
39142	950	22	bright	bright	JJ
39142	950	23	bands	band	NNS
39142	950	24	on	on	IN
39142	950	25	a	a	DT
39142	950	26	faint	faint	JJ
39142	950	27	continuous	continuous	JJ
39142	950	28	background	background	NN
39142	950	29	.	.	.
39142	951	1	As	as	IN
39142	951	2	these	these	DT
39142	951	3	bands	band	NNS
39142	951	4	become	become	VBP
39142	951	5	fewer	few	JJR
39142	951	6	and	and	CC
39142	951	7	narrower	narrow	JJR
39142	951	8	,	,	,
39142	951	9	very	very	RB
39142	951	10	faint	faint	JJ
39142	951	11	absorption	absorption	NN
39142	951	12	lines	line	NNS
39142	951	13	begin	begin	VBP
39142	951	14	to	to	TO
39142	951	15	appear	appear	VB
39142	951	16	,	,	,
39142	951	17	first	first	RB
39142	951	18	the	the	DT
39142	951	19	helium	helium	NN
39142	951	20	lines	line	NNS
39142	951	21	,	,	,
39142	951	22	followed	follow	VBN
39142	951	23	by	by	IN
39142	951	24	several	several	JJ
39142	951	25	series	series	NN
39142	951	26	of	of	IN
39142	951	27	hydrogen	hydrogen	NN
39142	951	28	lines	line	NNS
39142	951	29	.	.	.
39142	952	1	On	on	IN
39142	952	2	the	the	DT
39142	952	3	disappearance	disappearance	NN
39142	952	4	of	of	IN
39142	952	5	the	the	DT
39142	952	6	bright	bright	JJ
39142	952	7	bands	band	NNS
39142	952	8	,	,	,
39142	952	9	the	the	DT
39142	952	10	spectrum	spectrum	NN
39142	952	11	becomes	become	VBZ
39142	952	12	wholly	wholly	RB
39142	952	13	absorptive	absorptive	JJ
39142	952	14	bands	band	NNS
39142	952	15	and	and	CC
39142	952	16	lines	line	NNS
39142	952	17	.	.	.
39142	953	1	Then	then	RB
39142	953	2	comes	come	VBZ
39142	953	3	a	a	DT
39142	953	4	very	very	RB
39142	953	5	great	great	JJ
39142	953	6	increase	increase	NN
39142	953	7	in	in	IN
39142	953	8	intensity	intensity	NN
39142	953	9	of	of	IN
39142	953	10	the	the	DT
39142	953	11	true	true	JJ
39142	953	12	hydrogen	hydrogen	NN
39142	953	13	spectrum	spectrum	NN
39142	953	14	,	,	,
39142	953	15	with	with	IN
39142	953	16	wide	wide	JJ
39142	953	17	and	and	CC
39142	953	18	much	much	JJ
39142	953	19	diffused	diffuse	VBN
39142	953	20	lines	line	NNS
39142	953	21	,	,	,
39142	953	22	and	and	CC
39142	953	23	few	few	JJ
39142	953	24	if	if	IN
39142	953	25	any	any	DT
39142	953	26	other	other	JJ
39142	953	27	lines	line	NNS
39142	953	28	.	.	.
39142	954	1	Then	then	RB
39142	954	2	the	the	DT
39142	954	3	H	h	NN
39142	954	4	and	and	CC
39142	954	5	K	k	NN
39142	954	6	calcium	calcium	NN
39142	954	7	lines	line	NNS
39142	954	8	and	and	CC
39142	954	9	other	other	JJ
39142	954	10	lines	line	NNS
39142	954	11	peculiar	peculiar	JJ
39142	954	12	to	to	IN
39142	954	13	the	the	DT
39142	954	14	sun	sun	NN
39142	954	15	become	become	VBP
39142	954	16	more	more	RBR
39142	954	17	and	and	CC
39142	954	18	more	more	RBR
39142	954	19	intense	intense	JJ
39142	954	20	.	.	.
39142	955	1	Then	then	RB
39142	955	2	the	the	DT
39142	955	3	hydrogen	hydrogen	NN
39142	955	4	lines	line	NNS
39142	955	5	go	go	VBP
39142	955	6	through	through	IN
39142	955	7	their	-PRON-	PRP$
39142	955	8	long	long	JJ
39142	955	9	decline	decline	NN
39142	955	10	.	.	.
39142	956	1	The	the	DT
39142	956	2	calcium	calcium	NN
39142	956	3	spectrum	spectrum	NN
39142	956	4	becomes	become	VBZ
39142	956	5	intense	intense	JJ
39142	956	6	,	,	,
39142	956	7	and	and	CC
39142	956	8	later	later	RB
39142	956	9	the	the	DT
39142	956	10	spectrum	spectrum	NN
39142	956	11	becomes	become	VBZ
39142	956	12	quite	quite	RB
39142	956	13	like	like	IN
39142	956	14	that	that	DT
39142	956	15	of	of	IN
39142	956	16	the	the	DT
39142	956	17	sun	sun	NN
39142	956	18	with	with	IN
39142	956	19	a	a	DT
39142	956	20	great	great	JJ
39142	956	21	wealth	wealth	NN
39142	956	22	of	of	IN
39142	956	23	lines	line	NNS
39142	956	24	.	.	.
39142	957	1	Following	follow	VBG
39142	957	2	this	this	DT
39142	957	3	stage	stage	NN
39142	957	4	the	the	DT
39142	957	5	spectrum	spectrum	NN
39142	957	6	shortens	shorten	VBZ
39142	957	7	from	from	IN
39142	957	8	the	the	DT
39142	957	9	ultra	ultra	JJ
39142	957	10	violet	violet	NN
39142	957	11	,	,	,
39142	957	12	the	the	DT
39142	957	13	hydrogen	hydrogen	NN
39142	957	14	lines	line	NNS
39142	957	15	fade	fade	VBP
39142	957	16	out	out	RP
39142	957	17	still	still	RB
39142	957	18	farther	farther	RB
39142	957	19	,	,	,
39142	957	20	and	and	CC
39142	957	21	bands	band	NNS
39142	957	22	due	due	JJ
39142	957	23	to	to	IN
39142	957	24	metallic	metallic	JJ
39142	957	25	compounds	compound	NNS
39142	957	26	make	make	VBP
39142	957	27	their	-PRON-	PRP$
39142	957	28	appearance	appearance	NN
39142	957	29	,	,	,
39142	957	30	the	the	DT
39142	957	31	entire	entire	JJ
39142	957	32	spectrum	spectrum	NN
39142	957	33	finally	finally	RB
39142	957	34	resembling	resemble	VBG
39142	957	35	that	that	DT
39142	957	36	of	of	IN
39142	957	37	sun	sun	NN
39142	957	38	spots	spot	NNS
39142	957	39	.	.	.
39142	958	1	To	to	TO
39142	958	2	designate	designate	VB
39142	958	3	these	these	DT
39142	958	4	types	type	NNS
39142	958	5	rather	rather	RB
39142	958	6	more	more	JJR
39142	958	7	categorically:--	categorically:--	VBP
39142	958	8	Type	type	NN
39142	958	9	O	o	NN
39142	958	10	--	--	:
39142	958	11	bright	bright	JJ
39142	958	12	bands	band	NNS
39142	958	13	on	on	IN
39142	958	14	a	a	DT
39142	958	15	faint	faint	JJ
39142	958	16	continuous	continuous	JJ
39142	958	17	background	background	NN
39142	958	18	,	,	,
39142	958	19	with	with	IN
39142	958	20	five	five	CD
39142	958	21	subdivisions	subdivision	NNS
39142	958	22	,	,	,
39142	958	23	Oa	Oa	NNP
39142	958	24	,	,	,
39142	958	25	Ob	Ob	NNP
39142	958	26	,	,	,
39142	958	27	Oc	oc	UH
39142	958	28	,	,	,
39142	958	29	Od	Od	NNP
39142	958	30	,	,	,
39142	958	31	Oe	Oe	NNP
39142	958	32	,	,	,
39142	958	33	according	accord	VBG
39142	958	34	to	to	IN
39142	958	35	the	the	DT
39142	958	36	varying	vary	VBG
39142	958	37	width	width	NN
39142	958	38	and	and	CC
39142	958	39	intensity	intensity	NN
39142	958	40	of	of	IN
39142	958	41	the	the	DT
39142	958	42	bands	band	NNS
39142	958	43	.	.	.
39142	959	1	Type	Type	NNP
39142	959	2	B	B	NNP
39142	959	3	--	--	:
39142	959	4	the	the	DT
39142	959	5	Orion	Orion	NNP
39142	959	6	type	type	NN
39142	959	7	,	,	,
39142	959	8	or	or	CC
39142	959	9	helium	helium	NN
39142	959	10	type	type	NN
39142	959	11	,	,	,
39142	959	12	with	with	IN
39142	959	13	additional	additional	JJ
39142	959	14	lines	line	NNS
39142	959	15	of	of	IN
39142	959	16	origin	origin	NN
39142	959	17	unknown	unknown	JJ
39142	959	18	as	as	IN
39142	959	19	yet	yet	RB
39142	959	20	,	,	,
39142	959	21	but	but	CC
39142	959	22	without	without	IN
39142	959	23	any	any	DT
39142	959	24	of	of	IN
39142	959	25	the	the	DT
39142	959	26	bright	bright	JJ
39142	959	27	bands	band	NNS
39142	959	28	of	of	IN
39142	959	29	type	type	NN
39142	959	30	O.	o.	NN
39142	960	1	Type	Type	NNP
39142	960	2	A	A	NNP
39142	960	3	--	--	:
39142	960	4	the	the	DT
39142	960	5	Sirian	sirian	JJ
39142	960	6	type	type	NN
39142	960	7	,	,	,
39142	960	8	the	the	DT
39142	960	9	regular	regular	JJ
39142	960	10	Balmer	Balmer	NNP
39142	960	11	series	series	NN
39142	960	12	of	of	IN
39142	960	13	hydrogen	hydrogen	NN
39142	960	14	lines	line	NNS
39142	960	15	being	be	VBG
39142	960	16	very	very	RB
39142	960	17	intense	intense	JJ
39142	960	18	,	,	,
39142	960	19	with	with	IN
39142	960	20	a	a	DT
39142	960	21	few	few	JJ
39142	960	22	other	other	JJ
39142	960	23	lines	line	NNS
39142	960	24	not	not	RB
39142	960	25	conspicuously	conspicuously	RB
39142	960	26	marked	mark	VBN
39142	960	27	.	.	.
39142	961	1	Type	Type	NNP
39142	961	2	F	F	NNP
39142	961	3	--	--	:
39142	961	4	the	the	DT
39142	961	5	calcium	calcium	NN
39142	961	6	type	type	NN
39142	961	7	,	,	,
39142	961	8	hydrogen	hydrogen	NN
39142	961	9	lines	line	NNS
39142	961	10	less	less	RBR
39142	961	11	strongly	strongly	RB
39142	961	12	marked	mark	VBN
39142	961	13	,	,	,
39142	961	14	but	but	CC
39142	961	15	with	with	IN
39142	961	16	the	the	DT
39142	961	17	narrow	narrow	JJ
39142	961	18	calcium	calcium	NN
39142	961	19	lines	line	NNS
39142	961	20	H	h	NN
39142	961	21	and	and	CC
39142	961	22	K	K	NNP
39142	961	23	very	very	RB
39142	961	24	intense	intense	JJ
39142	961	25	.	.	.
39142	962	1	Type	Type	NNP
39142	962	2	G	g	NN
39142	962	3	--	--	:
39142	962	4	the	the	DT
39142	962	5	solar	solar	JJ
39142	962	6	type	type	NN
39142	962	7	,	,	,
39142	962	8	with	with	IN
39142	962	9	multitudes	multitude	NNS
39142	962	10	of	of	IN
39142	962	11	metallic	metallic	JJ
39142	962	12	lines	line	NNS
39142	962	13	.	.	.
39142	963	1	Type	Type	NNP
39142	963	2	K	K	NNP
39142	963	3	--	--	:
39142	963	4	in	in	IN
39142	963	5	some	some	DT
39142	963	6	respects	respect	NNS
39142	963	7	similar	similar	JJ
39142	963	8	to	to	IN
39142	963	9	G	g	NN
39142	963	10	,	,	,
39142	963	11	but	but	CC
39142	963	12	with	with	IN
39142	963	13	the	the	DT
39142	963	14	hydrogen	hydrogen	NN
39142	963	15	lines	line	NNS
39142	963	16	fading	fade	VBG
39142	963	17	out	out	RB
39142	963	18	,	,	,
39142	963	19	and	and	CC
39142	963	20	the	the	DT
39142	963	21	metallic	metallic	JJ
39142	963	22	lines	line	NNS
39142	963	23	relatively	relatively	RB
39142	963	24	more	more	RBR
39142	963	25	prominent	prominent	JJ
39142	963	26	.	.	.
39142	964	1	Type	Type	NNP
39142	964	2	M	M	NNP
39142	964	3	--	--	:
39142	964	4	spectrum	spectrum	NN
39142	964	5	with	with	IN
39142	964	6	peculiar	peculiar	JJ
39142	964	7	flutings	fluting	NNS
39142	964	8	due	due	IN
39142	964	9	to	to	IN
39142	964	10	titanium	titanium	NN
39142	964	11	oxide	oxide	RB
39142	964	12	,	,	,
39142	964	13	with	with	IN
39142	964	14	subdivisions	subdivision	NNS
39142	964	15	Ma	Ma	NNP
39142	964	16	and	and	CC
39142	964	17	Mb	Mb	NNP
39142	964	18	,	,	,
39142	964	19	and	and	CC
39142	964	20	the	the	DT
39142	964	21	variable	variable	JJ
39142	964	22	stars	star	NNS
39142	964	23	of	of	IN
39142	964	24	long	long	JJ
39142	964	25	period	period	NN
39142	964	26	,	,	,
39142	964	27	with	with	IN
39142	964	28	a	a	DT
39142	964	29	few	few	JJ
39142	964	30	bright	bright	JJ
39142	964	31	hydrogen	hydrogen	NN
39142	964	32	lines	line	NNS
39142	964	33	additional	additional	JJ
39142	964	34	,	,	,
39142	964	35	in	in	IN
39142	964	36	a	a	DT
39142	964	37	separate	separate	JJ
39142	964	38	class	class	NN
39142	964	39	Md.	Md.	NNP
39142	965	1	Type	Type	NNP
39142	965	2	N	N	NNP
39142	965	3	--	--	:
39142	965	4	similar	similar	JJ
39142	965	5	to	to	IN
39142	965	6	M	M	NNP
39142	965	7	,	,	,
39142	965	8	in	in	IN
39142	965	9	that	that	IN
39142	965	10	both	both	DT
39142	965	11	are	be	VBP
39142	965	12	pronouncedly	pronouncedly	RB
39142	965	13	reddish	reddish	JJ
39142	965	14	,	,	,
39142	965	15	but	but	CC
39142	965	16	with	with	IN
39142	965	17	characteristic	characteristic	JJ
39142	965	18	flutings	fluting	NNS
39142	965	19	probably	probably	RB
39142	965	20	indicating	indicate	VBG
39142	965	21	carbon	carbon	NN
39142	965	22	compounds	compound	NNS
39142	965	23	.	.	.
39142	966	1	The	the	DT
39142	966	2	Draper	Draper	NNP
39142	966	3	classification	classification	NN
39142	966	4	being	be	VBG
39142	966	5	based	base	VBN
39142	966	6	on	on	IN
39142	966	7	photographic	photographic	JJ
39142	966	8	spectra	spectra	NNP
39142	966	9	,	,	,
39142	966	10	and	and	CC
39142	966	11	the	the	DT
39142	966	12	original	original	JJ
39142	966	13	Secchi	Secchi	NNP
39142	966	14	classification	classification	NN
39142	966	15	being	be	VBG
39142	966	16	visual	visual	JJ
39142	966	17	,	,	,
39142	966	18	the	the	DT
39142	966	19	relation	relation	NN
39142	966	20	of	of	IN
39142	966	21	the	the	DT
39142	966	22	two	two	CD
39142	966	23	systems	system	NNS
39142	966	24	is	be	VBZ
39142	966	25	approximately	approximately	RB
39142	966	26	as	as	IN
39142	966	27	follows	follow	VBZ
39142	966	28	:	:	:
39142	966	29	Secchi	Secchi	NNP
39142	966	30	Type	Type	NNP
39142	966	31	I	-PRON-	PRP
39142	966	32	includes	include	VBZ
39142	966	33	Draper	Draper	NNP
39142	966	34	B	B	NNP
39142	966	35	&	&	CC
39142	966	36	A	A	NNP
39142	966	37	II	II	NNP
39142	966	38	includes	include	VBZ
39142	966	39	Draper	Draper	NNP
39142	966	40	F	F	NNP
39142	966	41	,	,	,
39142	966	42	G	G	NNP
39142	966	43	&	&	CC
39142	966	44	K	K	NNP
39142	966	45	III	III	NNP
39142	966	46	includes	include	VBZ
39142	966	47	Draper	Draper	NNP
39142	966	48	M	M	NNP
39142	966	49	IV	IV	NNP
39142	966	50	includes	include	VBZ
39142	966	51	Draper	Draper	NNP
39142	966	52	N	N	NNP
39142	966	53	Pickering	Pickering	NNP
39142	966	54	's	's	POS
39142	966	55	marked	marked	JJ
39142	966	56	success	success	NN
39142	966	57	in	in	IN
39142	966	58	organization	organization	NN
39142	966	59	and	and	CC
39142	966	60	execution	execution	NN
39142	966	61	of	of	IN
39142	966	62	this	this	DT
39142	966	63	great	great	JJ
39142	966	64	programme	programme	NN
39142	966	65	was	be	VBD
39142	966	66	due	due	JJ
39142	966	67	to	to	IN
39142	966	68	his	-PRON-	PRP$
39142	966	69	adoption	adoption	NN
39142	966	70	of	of	IN
39142	966	71	the	the	DT
39142	966	72	"	"	``
39142	966	73	slitless	slitless	JJ
39142	966	74	spectroscope	spectroscope	NN
39142	966	75	,	,	,
39142	966	76	"	"	''
39142	966	77	which	which	WDT
39142	966	78	made	make	VBD
39142	966	79	it	-PRON-	PRP
39142	966	80	possible	possible	JJ
39142	966	81	to	to	TO
39142	966	82	photograph	photograph	VB
39142	966	83	stellar	stellar	JJ
39142	966	84	spectra	spectra	NNP
39142	966	85	in	in	IN
39142	966	86	vast	vast	JJ
39142	966	87	numbers	number	NNS
39142	966	88	on	on	IN
39142	966	89	a	a	DT
39142	966	90	single	single	JJ
39142	966	91	plate	plate	NN
39142	966	92	.	.	.
39142	967	1	The	the	DT
39142	967	2	first	first	JJ
39142	967	3	observers	observer	NNS
39142	967	4	of	of	IN
39142	967	5	stellar	stellar	JJ
39142	967	6	spectra	spectra	NNP
39142	967	7	placed	place	VBD
39142	967	8	the	the	DT
39142	967	9	spectroscope	spectroscope	NN
39142	967	10	beyond	beyond	IN
39142	967	11	the	the	DT
39142	967	12	focus	focus	NN
39142	967	13	of	of	IN
39142	967	14	the	the	DT
39142	967	15	telescope	telescope	NN
39142	967	16	with	with	IN
39142	967	17	which	which	WDT
39142	967	18	it	-PRON-	PRP
39142	967	19	was	be	VBD
39142	967	20	used	use	VBN
39142	967	21	,	,	,
39142	967	22	thereby	thereby	RB
39142	967	23	limiting	limit	VBG
39142	967	24	the	the	DT
39142	967	25	examination	examination	NN
39142	967	26	to	to	IN
39142	967	27	but	but	CC
39142	967	28	one	one	CD
39142	967	29	star	star	NN
39142	967	30	at	at	IN
39142	967	31	a	a	DT
39142	967	32	time	time	NN
39142	967	33	.	.	.
39142	968	1	In	in	IN
39142	968	2	the	the	DT
39142	968	3	slitless	slitless	JJ
39142	968	4	spectroscope	spectroscope	NN
39142	968	5	,	,	,
39142	968	6	a	a	DT
39142	968	7	large	large	JJ
39142	968	8	prism	prism	NN
39142	968	9	is	be	VBZ
39142	968	10	mounted	mount	VBN
39142	968	11	in	in	IN
39142	968	12	front	front	NN
39142	968	13	of	of	IN
39142	968	14	the	the	DT
39142	968	15	objective	objective	NN
39142	968	16	(	(	-LRB-
39142	968	17	of	of	IN
39142	968	18	short	short	JJ
39142	968	19	focus	focus	NN
39142	968	20	)	)	-RRB-
39142	968	21	,	,	,
39142	968	22	so	so	IN
39142	968	23	that	that	IN
39142	968	24	the	the	DT
39142	968	25	star	star	NN
39142	968	26	's	's	POS
39142	968	27	rays	ray	NNS
39142	968	28	pass	pass	VBP
39142	968	29	through	through	IN
39142	968	30	it	-PRON-	PRP
39142	968	31	first	first	RB
39142	968	32	,	,	,
39142	968	33	and	and	CC
39142	968	34	then	then	RB
39142	968	35	are	be	VBP
39142	968	36	brought	bring	VBN
39142	968	37	to	to	IN
39142	968	38	the	the	DT
39142	968	39	same	same	JJ
39142	968	40	focus	focus	NN
39142	968	41	on	on	IN
39142	968	42	the	the	DT
39142	968	43	photographic	photographic	JJ
39142	968	44	plate	plate	NN
39142	968	45	,	,	,
39142	968	46	for	for	IN
39142	968	47	all	all	PDT
39142	968	48	the	the	DT
39142	968	49	stars	star	NNS
39142	968	50	within	within	IN
39142	968	51	the	the	DT
39142	968	52	field	field	NN
39142	968	53	of	of	IN
39142	968	54	view	view	NN
39142	968	55	,	,	,
39142	968	56	sometimes	sometimes	RB
39142	968	57	many	many	JJ
39142	968	58	thousand	thousand	CD
39142	968	59	in	in	IN
39142	968	60	number	number	NN
39142	968	61	.	.	.
39142	969	1	This	this	DT
39142	969	2	arrangement	arrangement	NN
39142	969	3	provides	provide	VBZ
39142	969	4	great	great	JJ
39142	969	5	advantages	advantage	NNS
39142	969	6	in	in	IN
39142	969	7	the	the	DT
39142	969	8	comparison	comparison	NN
39142	969	9	and	and	CC
39142	969	10	classification	classification	NN
39142	969	11	of	of	IN
39142	969	12	stellar	stellar	JJ
39142	969	13	spectra	spectra	NN
39142	969	14	.	.	.
39142	970	1	When	when	WRB
39142	970	2	spectroscopic	spectroscopic	JJ
39142	970	3	methods	method	NNS
39142	970	4	were	be	VBD
39142	970	5	first	first	RB
39142	970	6	introduced	introduce	VBN
39142	970	7	into	into	IN
39142	970	8	astronomy	astronomy	NN
39142	970	9	,	,	,
39142	970	10	there	there	EX
39142	970	11	was	be	VBD
39142	970	12	no	no	DT
39142	970	13	expectation	expectation	NN
39142	970	14	that	that	IN
39142	970	15	the	the	DT
39142	970	16	field	field	NN
39142	970	17	of	of	IN
39142	970	18	the	the	DT
39142	970	19	old	old	JJ
39142	970	20	or	or	CC
39142	970	21	so	so	RB
39142	970	22	-	-	HYPH
39142	970	23	called	call	VBN
39142	970	24	exact	exact	JJ
39142	970	25	astronomy	astronomy	NN
39142	970	26	would	would	MD
39142	970	27	be	be	VB
39142	970	28	invaded	invade	VBN
39142	970	29	.	.	.
39142	971	1	Physicists	physicist	NNS
39142	971	2	were	be	VBD
39142	971	3	sometimes	sometimes	RB
39142	971	4	jocularly	jocularly	RB
39142	971	5	greeted	greet	VBN
39142	971	6	among	among	IN
39142	971	7	astronomers	astronomer	NNS
39142	971	8	as	as	IN
39142	971	9	"	"	``
39142	971	10	ribbon	ribbon	NN
39142	971	11	men	man	NNS
39142	971	12	,	,	,
39142	971	13	"	"	''
39142	971	14	and	and	CC
39142	971	15	no	no	DT
39142	971	16	one	one	NN
39142	971	17	even	even	RB
39142	971	18	dreamed	dream	VBD
39142	971	19	that	that	IN
39142	971	20	their	-PRON-	PRP$
39142	971	21	researches	research	NNS
39142	971	22	were	be	VBD
39142	971	23	one	one	CD
39142	971	24	day	day	NN
39142	971	25	to	to	TO
39142	971	26	advance	advance	VB
39142	971	27	to	to	IN
39142	971	28	equal	equal	JJ
39142	971	29	recognition	recognition	NN
39142	971	30	with	with	IN
39142	971	31	results	result	NNS
39142	971	32	derived	derive	VBN
39142	971	33	from	from	IN
39142	971	34	micrometer	micrometer	NN
39142	971	35	,	,	,
39142	971	36	meridian	meridian	NNP
39142	971	37	circle	circle	NNP
39142	971	38	,	,	,
39142	971	39	and	and	CC
39142	971	40	heliometer	heliometer	NN
39142	971	41	.	.	.
39142	972	1	The	the	DT
39142	972	2	first	first	JJ
39142	972	3	step	step	NN
39142	972	4	in	in	IN
39142	972	5	this	this	DT
39142	972	6	direction	direction	NN
39142	972	7	was	be	VBD
39142	972	8	taken	take	VBN
39142	972	9	in	in	IN
39142	972	10	1868	1868	CD
39142	972	11	by	by	IN
39142	972	12	Sir	Sir	NNP
39142	972	13	William	William	NNP
39142	972	14	Huggins	Huggins	NNP
39142	972	15	of	of	IN
39142	972	16	London	London	NNP
39142	972	17	,	,	,
39142	972	18	who	who	WP
39142	972	19	noticed	notice	VBD
39142	972	20	small	small	JJ
39142	972	21	displacements	displacement	NNS
39142	972	22	in	in	IN
39142	972	23	the	the	DT
39142	972	24	lines	line	NNS
39142	972	25	of	of	IN
39142	972	26	spectra	spectra	NNP
39142	972	27	of	of	IN
39142	972	28	very	very	RB
39142	972	29	bright	bright	JJ
39142	972	30	stars	star	NNS
39142	972	31	.	.	.
39142	973	1	In	in	IN
39142	973	2	fact	fact	NN
39142	973	3	the	the	DT
39142	973	4	whole	whole	JJ
39142	973	5	spectrum	spectrum	NN
39142	973	6	appeared	appear	VBD
39142	973	7	to	to	TO
39142	973	8	be	be	VB
39142	973	9	shifted	shift	VBN
39142	973	10	;	;	:
39142	973	11	in	in	IN
39142	973	12	the	the	DT
39142	973	13	case	case	NN
39142	973	14	of	of	IN
39142	973	15	Sirius	Sirius	NNP
39142	973	16	it	-PRON-	PRP
39142	973	17	was	be	VBD
39142	973	18	shifted	shift	VBN
39142	973	19	toward	toward	IN
39142	973	20	the	the	DT
39142	973	21	red	red	NN
39142	973	22	,	,	,
39142	973	23	while	while	IN
39142	973	24	the	the	DT
39142	973	25	whole	whole	JJ
39142	973	26	spectrum	spectrum	NN
39142	973	27	of	of	IN
39142	973	28	Arcturus	Arcturus	NNP
39142	973	29	was	be	VBD
39142	973	30	shifted	shift	VBN
39142	973	31	by	by	IN
39142	973	32	three	three	CD
39142	973	33	times	time	NNS
39142	973	34	this	this	DT
39142	973	35	amount	amount	NN
39142	973	36	toward	toward	IN
39142	973	37	the	the	DT
39142	973	38	violet	violet	NN
39142	973	39	end	end	NN
39142	973	40	of	of	IN
39142	973	41	the	the	DT
39142	973	42	spectrum	spectrum	NN
39142	973	43	.	.	.
39142	974	1	The	the	DT
39142	974	2	reason	reason	NN
39142	974	3	was	be	VBD
39142	974	4	not	not	RB
39142	974	5	difficult	difficult	JJ
39142	974	6	to	to	TO
39142	974	7	assign	assign	VB
39142	974	8	.	.	.
39142	975	1	As	as	RB
39142	975	2	early	early	RB
39142	975	3	as	as	IN
39142	975	4	1842	1842	CD
39142	975	5	Doppler	Doppler	NNP
39142	975	6	had	have	VBD
39142	975	7	enunciated	enunciate	VBN
39142	975	8	the	the	DT
39142	975	9	principle	principle	NN
39142	975	10	that	that	IN
39142	975	11	when	when	WRB
39142	975	12	we	-PRON-	PRP
39142	975	13	are	be	VBP
39142	975	14	approaching	approach	VBG
39142	975	15	or	or	CC
39142	975	16	are	be	VBP
39142	975	17	approached	approach	VBN
39142	975	18	by	by	IN
39142	975	19	a	a	DT
39142	975	20	body	body	NN
39142	975	21	which	which	WDT
39142	975	22	is	be	VBZ
39142	975	23	emitting	emit	VBG
39142	975	24	regular	regular	JJ
39142	975	25	vibrations	vibration	NNS
39142	975	26	,	,	,
39142	975	27	then	then	RB
39142	975	28	the	the	DT
39142	975	29	number	number	NN
39142	975	30	of	of	IN
39142	975	31	waves	wave	NNS
39142	975	32	we	-PRON-	PRP
39142	975	33	receive	receive	VBP
39142	975	34	in	in	IN
39142	975	35	a	a	DT
39142	975	36	second	second	JJ
39142	975	37	is	be	VBZ
39142	975	38	increased	increase	VBN
39142	975	39	,	,	,
39142	975	40	and	and	CC
39142	975	41	their	-PRON-	PRP$
39142	975	42	wave	wave	VB
39142	975	43	-	-	HYPH
39142	975	44	length	length	NN
39142	975	45	correspondingly	correspondingly	RB
39142	975	46	diminished	diminish	VBN
39142	975	47	;	;	:
39142	975	48	and	and	CC
39142	975	49	just	just	RB
39142	975	50	the	the	DT
39142	975	51	reverse	reverse	NN
39142	975	52	of	of	IN
39142	975	53	this	this	DT
39142	975	54	occurs	occur	VBZ
39142	975	55	when	when	WRB
39142	975	56	the	the	DT
39142	975	57	distance	distance	NN
39142	975	58	of	of	IN
39142	975	59	the	the	DT
39142	975	60	vibrating	vibrate	VBG
39142	975	61	body	body	NN
39142	975	62	is	be	VBZ
39142	975	63	increasing	increase	VBG
39142	975	64	.	.	.
39142	976	1	It	-PRON-	PRP
39142	976	2	is	be	VBZ
39142	976	3	the	the	DT
39142	976	4	same	same	JJ
39142	976	5	with	with	IN
39142	976	6	light	light	NN
39142	976	7	as	as	IN
39142	976	8	with	with	IN
39142	976	9	sound	sound	NN
39142	976	10	,	,	,
39142	976	11	and	and	CC
39142	976	12	everyone	everyone	NN
39142	976	13	has	have	VBZ
39142	976	14	noticed	notice	VBN
39142	976	15	how	how	WRB
39142	976	16	the	the	DT
39142	976	17	pitch	pitch	NN
39142	976	18	of	of	IN
39142	976	19	a	a	DT
39142	976	20	locomotive	locomotive	JJ
39142	976	21	whistle	whistle	NN
39142	976	22	suddenly	suddenly	RB
39142	976	23	rises	rise	VBZ
39142	976	24	as	as	IN
39142	976	25	it	-PRON-	PRP
39142	976	26	passes	pass	VBZ
39142	976	27	,	,	,
39142	976	28	and	and	CC
39142	976	29	falls	fall	VBZ
39142	976	30	as	as	RB
39142	976	31	suddenly	suddenly	RB
39142	976	32	on	on	IN
39142	976	33	retreating	retreat	VBG
39142	976	34	from	from	IN
39142	976	35	us	-PRON-	PRP
39142	976	36	.	.	.
39142	977	1	So	so	RB
39142	977	2	Huggins	Huggins	NNP
39142	977	3	drew	draw	VBD
39142	977	4	the	the	DT
39142	977	5	immediate	immediate	JJ
39142	977	6	inference	inference	NN
39142	977	7	that	that	IN
39142	977	8	the	the	DT
39142	977	9	distance	distance	NN
39142	977	10	between	between	IN
39142	977	11	the	the	DT
39142	977	12	earth	earth	NN
39142	977	13	and	and	CC
39142	977	14	Sirius	Sirius	NNP
39142	977	15	was	be	VBD
39142	977	16	increasing	increase	VBG
39142	977	17	at	at	IN
39142	977	18	the	the	DT
39142	977	19	rate	rate	NN
39142	977	20	of	of	IN
39142	977	21	nearly	nearly	RB
39142	977	22	twenty	twenty	CD
39142	977	23	miles	mile	NNS
39142	977	24	per	per	IN
39142	977	25	second	second	NN
39142	977	26	,	,	,
39142	977	27	while	while	IN
39142	977	28	Arcturus	Arcturus	NNP
39142	977	29	was	be	VBD
39142	977	30	nearing	near	VBG
39142	977	31	us	-PRON-	PRP
39142	977	32	with	with	IN
39142	977	33	a	a	DT
39142	977	34	velocity	velocity	NN
39142	977	35	of	of	IN
39142	977	36	sixty	sixty	CD
39142	977	37	miles	mile	NNS
39142	977	38	per	per	IN
39142	977	39	second	second	NN
39142	977	40	.	.	.
39142	978	1	These	these	DT
39142	978	2	pioneer	pioneer	VBP
39142	978	3	observations	observation	NNS
39142	978	4	of	of	IN
39142	978	5	motions	motion	NNS
39142	978	6	in	in	IN
39142	978	7	the	the	DT
39142	978	8	line	line	NN
39142	978	9	of	of	IN
39142	978	10	sight	sight	NN
39142	978	11	,	,	,
39142	978	12	or	or	CC
39142	978	13	radial	radial	JJ
39142	978	14	velocities	velocity	NNS
39142	978	15	as	as	IN
39142	978	16	they	-PRON-	PRP
39142	978	17	are	be	VBP
39142	978	18	now	now	RB
39142	978	19	called	call	VBN
39142	978	20	,	,	,
39142	978	21	led	lead	VBD
39142	978	22	directly	directly	RB
39142	978	23	to	to	IN
39142	978	24	the	the	DT
39142	978	25	acceptance	acceptance	NN
39142	978	26	of	of	IN
39142	978	27	the	the	DT
39142	978	28	high	high	JJ
39142	978	29	value	value	NN
39142	978	30	of	of	IN
39142	978	31	spectroscopic	spectroscopic	JJ
39142	978	32	work	work	NN
39142	978	33	as	as	IN
39142	978	34	an	an	DT
39142	978	35	adjunct	adjunct	NN
39142	978	36	of	of	IN
39142	978	37	exact	exact	JJ
39142	978	38	astronomy	astronomy	NN
39142	978	39	in	in	IN
39142	978	40	stellar	stellar	JJ
39142	978	41	research	research	NN
39142	978	42	.	.	.
39142	979	1	Nor	nor	CC
39142	979	2	has	have	VBZ
39142	979	3	it	-PRON-	PRP
39142	979	4	been	be	VBN
39142	979	5	found	find	VBN
39142	979	6	wanting	want	VBG
39142	979	7	in	in	IN
39142	979	8	application	application	NN
39142	979	9	to	to	IN
39142	979	10	a	a	DT
39142	979	11	great	great	JJ
39142	979	12	variety	variety	NN
39142	979	13	of	of	IN
39142	979	14	exact	exact	JJ
39142	979	15	problems	problem	NNS
39142	979	16	in	in	IN
39142	979	17	the	the	DT
39142	979	18	solar	solar	JJ
39142	979	19	system	system	NN
39142	979	20	which	which	WDT
39142	979	21	would	would	MD
39142	979	22	have	have	VB
39142	979	23	been	be	VBN
39142	979	24	wholly	wholly	RB
39142	979	25	impossible	impossible	JJ
39142	979	26	to	to	TO
39142	979	27	solve	solve	VB
39142	979	28	without	without	IN
39142	979	29	it	-PRON-	PRP
39142	979	30	.	.	.
39142	980	1	Foremost	foremost	RB
39142	980	2	is	be	VBZ
39142	980	3	the	the	DT
39142	980	4	sun	sun	NN
39142	980	5	,	,	,
39142	980	6	of	of	IN
39142	980	7	course	course	NN
39142	980	8	,	,	,
39142	980	9	because	because	IN
39142	980	10	of	of	IN
39142	980	11	the	the	DT
39142	980	12	overplus	overplus	NN
39142	980	13	of	of	IN
39142	980	14	light	light	NN
39142	980	15	.	.	.
39142	981	1	Young	young	JJ
39142	981	2	early	early	RB
39142	981	3	measured	measure	VBD
39142	981	4	the	the	DT
39142	981	5	displacement	displacement	NN
39142	981	6	of	of	IN
39142	981	7	lines	line	NNS
39142	981	8	in	in	IN
39142	981	9	the	the	DT
39142	981	10	spectra	spectra	NN
39142	981	11	of	of	IN
39142	981	12	the	the	DT
39142	981	13	prominences	prominence	NNS
39142	981	14	,	,	,
39142	981	15	and	and	CC
39142	981	16	found	find	VBD
39142	981	17	velocities	velocity	NNS
39142	981	18	sometimes	sometimes	RB
39142	981	19	exceeding	exceed	VBG
39142	981	20	250	250	CD
39142	981	21	miles	mile	NNS
39142	981	22	per	per	IN
39142	981	23	second	second	NN
39142	981	24	.	.	.
39142	982	1	Many	many	JJ
39142	982	2	astronomers	astronomer	NNS
39142	982	3	,	,	,
39142	982	4	Dunér	Dunér	NNP
39142	982	5	among	among	IN
39142	982	6	them	-PRON-	PRP
39142	982	7	,	,	,
39142	982	8	investigated	investigate	VBD
39142	982	9	the	the	DT
39142	982	10	rotation	rotation	NN
39142	982	11	of	of	IN
39142	982	12	the	the	DT
39142	982	13	sun	sun	NN
39142	982	14	by	by	IN
39142	982	15	the	the	DT
39142	982	16	spectroscopic	spectroscopic	JJ
39142	982	17	method	method	NN
39142	982	18	.	.	.
39142	983	1	The	the	DT
39142	983	2	sun	sun	NN
39142	983	3	's	's	POS
39142	983	4	east	east	NNP
39142	983	5	limb	limb	NN
39142	983	6	is	be	VBZ
39142	983	7	coming	come	VBG
39142	983	8	toward	toward	IN
39142	983	9	us	-PRON-	PRP
39142	983	10	,	,	,
39142	983	11	while	while	IN
39142	983	12	the	the	DT
39142	983	13	west	west	NNP
39142	983	14	is	be	VBZ
39142	983	15	going	go	VBG
39142	983	16	from	from	IN
39142	983	17	us	-PRON-	PRP
39142	983	18	;	;	:
39142	983	19	and	and	CC
39142	983	20	by	by	IN
39142	983	21	measuring	measure	VBG
39142	983	22	the	the	DT
39142	983	23	sum	sum	NN
39142	983	24	of	of	IN
39142	983	25	the	the	DT
39142	983	26	displacements	displacement	NNS
39142	983	27	,	,	,
39142	983	28	the	the	DT
39142	983	29	rate	rate	NN
39142	983	30	of	of	IN
39142	983	31	rotation	rotation	NN
39142	983	32	has	have	VBZ
39142	983	33	been	be	VBN
39142	983	34	calculated	calculate	VBN
39142	983	35	,	,	,
39142	983	36	not	not	RB
39142	983	37	only	only	RB
39142	983	38	at	at	IN
39142	983	39	the	the	DT
39142	983	40	sun	sun	NN
39142	983	41	's	's	POS
39142	983	42	equator	equator	NN
39142	983	43	but	but	CC
39142	983	44	at	at	IN
39142	983	45	many	many	JJ
39142	983	46	solar	solar	JJ
39142	983	47	latitudes	latitude	NNS
39142	983	48	also	also	RB
39142	983	49	,	,	,
39142	983	50	both	both	CC
39142	983	51	north	north	NN
39142	983	52	and	and	CC
39142	983	53	south	south	NN
39142	983	54	.	.	.
39142	984	1	As	as	IN
39142	984	2	was	be	VBD
39142	984	3	to	to	TO
39142	984	4	be	be	VB
39142	984	5	expected	expect	VBN
39142	984	6	,	,	,
39142	984	7	these	these	DT
39142	984	8	results	result	NNS
39142	984	9	agree	agree	VBP
39142	984	10	well	well	RB
39142	984	11	with	with	IN
39142	984	12	the	the	DT
39142	984	13	sun	sun	NN
39142	984	14	's	's	POS
39142	984	15	rotation	rotation	NN
39142	984	16	as	as	IN
39142	984	17	found	find	VBN
39142	984	18	by	by	IN
39142	984	19	the	the	DT
39142	984	20	transits	transit	NNS
39142	984	21	of	of	IN
39142	984	22	sun	sun	NN
39142	984	23	spots	spot	NNS
39142	984	24	in	in	IN
39142	984	25	the	the	DT
39142	984	26	lower	low	JJR
39142	984	27	latitudes	latitude	NNS
39142	984	28	where	where	WRB
39142	984	29	they	-PRON-	PRP
39142	984	30	make	make	VBP
39142	984	31	their	-PRON-	PRP$
39142	984	32	appearance	appearance	NN
39142	984	33	.	.	.
39142	985	1	Bélopolsky	Bélopolsky	NNP
39142	985	2	has	have	VBZ
39142	985	3	applied	apply	VBN
39142	985	4	the	the	DT
39142	985	5	same	same	JJ
39142	985	6	method	method	NN
39142	985	7	to	to	IN
39142	985	8	the	the	DT
39142	985	9	rotation	rotation	NN
39142	985	10	of	of	IN
39142	985	11	the	the	DT
39142	985	12	planet	planet	NN
39142	985	13	Venus	Venus	NNP
39142	985	14	,	,	,
39142	985	15	and	and	CC
39142	985	16	Keeler	Keeler	NNP
39142	985	17	,	,	,
39142	985	18	by	by	IN
39142	985	19	measuring	measure	VBG
39142	985	20	the	the	DT
39142	985	21	displacement	displacement	NN
39142	985	22	of	of	IN
39142	985	23	lines	line	NNS
39142	985	24	in	in	IN
39142	985	25	the	the	DT
39142	985	26	spectrum	spectrum	NN
39142	985	27	of	of	IN
39142	985	28	Saturn	Saturn	NNP
39142	985	29	,	,	,
39142	985	30	on	on	IN
39142	985	31	opposite	opposite	JJ
39142	985	32	sides	side	NNS
39142	985	33	of	of	IN
39142	985	34	the	the	DT
39142	985	35	ring	ring	NN
39142	985	36	,	,	,
39142	985	37	provided	provide	VBD
39142	985	38	a	a	DT
39142	985	39	brilliant	brilliant	JJ
39142	985	40	observational	observational	JJ
39142	985	41	proof	proof	NN
39142	985	42	of	of	IN
39142	985	43	the	the	DT
39142	985	44	physical	physical	JJ
39142	985	45	constitution	constitution	NN
39142	985	46	of	of	IN
39142	985	47	the	the	DT
39142	985	48	rings	ring	NNS
39142	985	49	;	;	:
39142	985	50	because	because	IN
39142	985	51	he	-PRON-	PRP
39142	985	52	showed	show	VBD
39142	985	53	that	that	IN
39142	985	54	the	the	DT
39142	985	55	inner	inner	JJ
39142	985	56	ring	ring	NN
39142	985	57	traveled	travel	VBD
39142	985	58	round	round	RB
39142	985	59	more	more	RBR
39142	985	60	swiftly	swiftly	RB
39142	985	61	than	than	IN
39142	985	62	the	the	DT
39142	985	63	outer	outer	JJ
39142	985	64	one	one	NN
39142	985	65	,	,	,
39142	985	66	thus	thus	RB
39142	985	67	demonstrating	demonstrate	VBG
39142	985	68	that	that	IN
39142	985	69	the	the	DT
39142	985	70	ring	ring	NN
39142	985	71	could	could	MD
39142	985	72	not	not	RB
39142	985	73	be	be	VB
39142	985	74	solid	solid	JJ
39142	985	75	,	,	,
39142	985	76	but	but	CC
39142	985	77	must	must	MD
39142	985	78	be	be	VB
39142	985	79	composed	compose	VBN
39142	985	80	of	of	IN
39142	985	81	multitudes	multitude	NNS
39142	985	82	of	of	IN
39142	985	83	small	small	JJ
39142	985	84	particles	particle	NNS
39142	985	85	traveling	travel	VBG
39142	985	86	around	around	IN
39142	985	87	the	the	DT
39142	985	88	ball	ball	NN
39142	985	89	of	of	IN
39142	985	90	Saturn	Saturn	NNP
39142	985	91	,	,	,
39142	985	92	much	much	RB
39142	985	93	as	as	IN
39142	985	94	if	if	IN
39142	985	95	they	-PRON-	PRP
39142	985	96	were	be	VBD
39142	985	97	satellites	satellite	NNS
39142	985	98	.	.	.
39142	986	1	Indeed	indeed	RB
39142	986	2	,	,	,
39142	986	3	Keeler	Keeler	NNP
39142	986	4	ascertained	ascertain	VBD
39142	986	5	the	the	DT
39142	986	6	velocity	velocity	NN
39142	986	7	of	of	IN
39142	986	8	their	-PRON-	PRP$
39142	986	9	orbital	orbital	JJ
39142	986	10	motion	motion	NN
39142	986	11	and	and	CC
39142	986	12	found	find	VBD
39142	986	13	that	that	IN
39142	986	14	in	in	IN
39142	986	15	each	each	DT
39142	986	16	case	case	NN
39142	986	17	it	-PRON-	PRP
39142	986	18	agreed	agree	VBD
39142	986	19	exactly	exactly	RB
39142	986	20	with	with	IN
39142	986	21	that	that	DT
39142	986	22	required	require	VBN
39142	986	23	by	by	IN
39142	986	24	the	the	DT
39142	986	25	Keplerian	keplerian	JJ
39142	986	26	law	law	NN
39142	986	27	.	.	.
39142	987	1	Even	even	RB
39142	987	2	the	the	DT
39142	987	3	filmy	filmy	JJ
39142	987	4	corona	corona	NN
39142	987	5	of	of	IN
39142	987	6	the	the	DT
39142	987	7	sun	sun	NN
39142	987	8	was	be	VBD
39142	987	9	investigated	investigate	VBN
39142	987	10	in	in	IN
39142	987	11	similar	similar	JJ
39142	987	12	fashion	fashion	NN
39142	987	13	by	by	IN
39142	987	14	Deslandres	deslandre	NNS
39142	987	15	at	at	IN
39142	987	16	the	the	DT
39142	987	17	total	total	JJ
39142	987	18	eclipse	eclipse	NN
39142	987	19	of	of	IN
39142	987	20	1893	1893	CD
39142	987	21	,	,	,
39142	987	22	and	and	CC
39142	987	23	he	-PRON-	PRP
39142	987	24	found	find	VBD
39142	987	25	that	that	IN
39142	987	26	it	-PRON-	PRP
39142	987	27	rotates	rotate	VBZ
39142	987	28	bodily	bodily	RB
39142	987	29	with	with	IN
39142	987	30	the	the	DT
39142	987	31	sun	sun	NN
39142	987	32	.	.	.
39142	988	1	But	but	CC
39142	988	2	the	the	DT
39142	988	3	complete	complete	JJ
39142	988	4	vindication	vindication	NN
39142	988	5	of	of	IN
39142	988	6	the	the	DT
39142	988	7	spectroscopic	spectroscopic	JJ
39142	988	8	method	method	NN
39142	988	9	as	as	IN
39142	988	10	an	an	DT
39142	988	11	adjunct	adjunct	NN
39142	988	12	of	of	IN
39142	988	13	the	the	DT
39142	988	14	old	old	JJ
39142	988	15	astronomy	astronomy	NN
39142	988	16	came	come	VBD
39142	988	17	with	with	IN
39142	988	18	its	-PRON-	PRP$
39142	988	19	application	application	NN
39142	988	20	to	to	IN
39142	988	21	measurement	measurement	NN
39142	988	22	of	of	IN
39142	988	23	the	the	DT
39142	988	24	distance	distance	NN
39142	988	25	of	of	IN
39142	988	26	the	the	DT
39142	988	27	sun	sun	NN
39142	988	28	.	.	.
39142	989	1	The	the	DT
39142	989	2	method	method	NN
39142	989	3	is	be	VBZ
39142	989	4	very	very	RB
39142	989	5	interesting	interesting	JJ
39142	989	6	and	and	CC
39142	989	7	was	be	VBD
39142	989	8	first	first	RB
39142	989	9	suggested	suggest	VBN
39142	989	10	by	by	IN
39142	989	11	Campbell	Campbell	NNP
39142	989	12	in	in	IN
39142	989	13	1892	1892	CD
39142	989	14	.	.	.
39142	990	1	Spectrum	spectrum	JJ
39142	990	2	-	-	HYPH
39142	990	3	line	line	NN
39142	990	4	measurements	measurement	NNS
39142	990	5	have	have	VBP
39142	990	6	become	become	VBN
39142	990	7	very	very	RB
39142	990	8	accurate	accurate	JJ
39142	990	9	with	with	IN
39142	990	10	the	the	DT
39142	990	11	introduction	introduction	NN
39142	990	12	of	of	IN
39142	990	13	dry	dry	JJ
39142	990	14	-	-	HYPH
39142	990	15	plate	plate	NN
39142	990	16	photography	photography	NN
39142	990	17	,	,	,
39142	990	18	and	and	CC
39142	990	19	ecliptic	ecliptic	JJ
39142	990	20	stars	star	NNS
39142	990	21	were	be	VBD
39142	990	22	spectrographed	spectrographe	VBN
39142	990	23	,	,	,
39142	990	24	toward	toward	IN
39142	990	25	and	and	CC
39142	990	26	from	from	IN
39142	990	27	which	which	WDT
39142	990	28	the	the	DT
39142	990	29	earth	earth	NN
39142	990	30	is	be	VBZ
39142	990	31	traveling	travel	VBG
39142	990	32	by	by	IN
39142	990	33	its	-PRON-	PRP$
39142	990	34	orbital	orbital	JJ
39142	990	35	motion	motion	NN
39142	990	36	round	round	IN
39142	990	37	the	the	DT
39142	990	38	sun	sun	NN
39142	990	39	.	.	.
39142	991	1	By	by	IN
39142	991	2	accurate	accurate	JJ
39142	991	3	measurement	measurement	NN
39142	991	4	of	of	IN
39142	991	5	these	these	DT
39142	991	6	displacements	displacement	NNS
39142	991	7	,	,	,
39142	991	8	the	the	DT
39142	991	9	orbital	orbital	JJ
39142	991	10	velocity	velocity	NN
39142	991	11	of	of	IN
39142	991	12	the	the	DT
39142	991	13	earth	earth	NN
39142	991	14	is	be	VBZ
39142	991	15	calculated	calculate	VBN
39142	991	16	;	;	:
39142	991	17	and	and	CC
39142	991	18	as	as	IN
39142	991	19	we	-PRON-	PRP
39142	991	20	know	know	VBP
39142	991	21	the	the	DT
39142	991	22	exact	exact	JJ
39142	991	23	length	length	NN
39142	991	24	of	of	IN
39142	991	25	the	the	DT
39142	991	26	year	year	NN
39142	991	27	,	,	,
39142	991	28	or	or	CC
39142	991	29	a	a	DT
39142	991	30	complete	complete	JJ
39142	991	31	period	period	NN
39142	991	32	,	,	,
39142	991	33	the	the	DT
39142	991	34	length	length	NN
39142	991	35	of	of	IN
39142	991	36	the	the	DT
39142	991	37	orbit	orbit	NN
39142	991	38	itself	-PRON-	PRP
39142	991	39	in	in	IN
39142	991	40	miles	mile	NNS
39142	991	41	becomes	become	VBZ
39142	991	42	known	know	VBN
39142	991	43	,	,	,
39142	991	44	and	and	CC
39142	991	45	thus	thus	RB
39142	991	46	,	,	,
39142	991	47	by	by	IN
39142	991	48	simple	simple	JJ
39142	991	49	mensuration	mensuration	NN
39142	991	50	,	,	,
39142	991	51	the	the	DT
39142	991	52	length	length	NN
39142	991	53	of	of	IN
39142	991	54	the	the	DT
39142	991	55	radius	radius	NN
39142	991	56	of	of	IN
39142	991	57	the	the	DT
39142	991	58	orbit	orbit	NN
39142	991	59	--	--	:
39142	991	60	which	which	WDT
39142	991	61	is	be	VBZ
39142	991	62	the	the	DT
39142	991	63	distance	distance	NN
39142	991	64	of	of	IN
39142	991	65	the	the	DT
39142	991	66	sun	sun	NN
39142	991	67	.	.	.
39142	992	1	If	if	IN
39142	992	2	we	-PRON-	PRP
39142	992	3	pass	pass	VBP
39142	992	4	from	from	IN
39142	992	5	sun	sun	NNP
39142	992	6	to	to	IN
39142	992	7	star	star	NNP
39142	992	8	,	,	,
39142	992	9	the	the	DT
39142	992	10	triumph	triumph	NN
39142	992	11	of	of	IN
39142	992	12	the	the	DT
39142	992	13	spectroscope	spectroscope	NN
39142	992	14	has	have	VBZ
39142	992	15	been	be	VBN
39142	992	16	everywhere	everywhere	RB
39142	992	17	complete	complete	JJ
39142	992	18	and	and	CC
39142	992	19	significant	significant	JJ
39142	992	20	.	.	.
39142	993	1	As	as	IN
39142	993	2	the	the	DT
39142	993	3	spectroscopic	spectroscopic	JJ
39142	993	4	survey	survey	NN
39142	993	5	of	of	IN
39142	993	6	the	the	DT
39142	993	7	stars	star	NNS
39142	993	8	grew	grow	VBD
39142	993	9	toward	toward	IN
39142	993	10	completeness	completeness	NNP
39142	993	11	,	,	,
39142	993	12	it	-PRON-	PRP
39142	993	13	became	become	VBD
39142	993	14	evident	evident	JJ
39142	993	15	that	that	IN
39142	993	16	the	the	DT
39142	993	17	swarming	swarm	VBG
39142	993	18	hosts	host	NNS
39142	993	19	of	of	IN
39142	993	20	the	the	DT
39142	993	21	stellar	stellar	JJ
39142	993	22	universe	universe	NN
39142	993	23	are	be	VBP
39142	993	24	in	in	IN
39142	993	25	constant	constant	JJ
39142	993	26	motion	motion	NN
39142	993	27	through	through	IN
39142	993	28	space	space	NN
39142	993	29	,	,	,
39142	993	30	not	not	RB
39142	993	31	only	only	RB
39142	993	32	athwart	athwart	VBP
39142	993	33	the	the	DT
39142	993	34	line	line	NN
39142	993	35	of	of	IN
39142	993	36	vision	vision	NN
39142	993	37	as	as	IN
39142	993	38	their	-PRON-	PRP$
39142	993	39	proper	proper	JJ
39142	993	40	motions	motion	NNS
39142	993	41	had	have	VBD
39142	993	42	long	long	RB
39142	993	43	disclosed	disclose	VBN
39142	993	44	,	,	,
39142	993	45	but	but	CC
39142	993	46	some	some	DT
39142	993	47	stars	star	NNS
39142	993	48	are	be	VBP
39142	993	49	swiftly	swiftly	RB
39142	993	50	moving	move	VBG
39142	993	51	toward	toward	IN
39142	993	52	our	-PRON-	PRP$
39142	993	53	solar	solar	JJ
39142	993	54	system	system	NN
39142	993	55	and	and	CC
39142	993	56	others	other	NNS
39142	993	57	as	as	RB
39142	993	58	swiftly	swiftly	RB
39142	993	59	from	from	IN
39142	993	60	it	-PRON-	PRP
39142	993	61	.	.	.
39142	994	1	Fixed	fixed	JJ
39142	994	2	stars	star	NNS
39142	994	3	,	,	,
39142	994	4	strictly	strictly	RB
39142	994	5	speaking	speak	VBG
39142	994	6	--	--	:
39142	994	7	there	there	EX
39142	994	8	are	be	VBP
39142	994	9	no	no	DT
39142	994	10	such	such	JJ
39142	994	11	.	.	.
39142	995	1	All	all	DT
39142	995	2	are	be	VBP
39142	995	3	in	in	IN
39142	995	4	relative	relative	JJ
39142	995	5	motion	motion	NN
39142	995	6	.	.	.
39142	996	1	Exact	exact	JJ
39142	996	2	astronomy	astronomy	NN
39142	996	3	by	by	IN
39142	996	4	discussion	discussion	NN
39142	996	5	of	of	IN
39142	996	6	the	the	DT
39142	996	7	proper	proper	JJ
39142	996	8	motions	motion	NNS
39142	996	9	had	have	VBD
39142	996	10	assigned	assign	VBN
39142	996	11	a	a	DT
39142	996	12	region	region	NN
39142	996	13	of	of	IN
39142	996	14	the	the	DT
39142	996	15	sky	sky	NN
39142	996	16	toward	toward	IN
39142	996	17	which	which	WDT
39142	996	18	the	the	DT
39142	996	19	sun	sun	NN
39142	996	20	and	and	CC
39142	996	21	planets	planet	NNS
39142	996	22	are	be	VBP
39142	996	23	moving	move	VBG
39142	996	24	.	.	.
39142	997	1	Spectrography	Spectrography	NNP
39142	997	2	soon	soon	RB
39142	997	3	verified	verify	VBD
39142	997	4	this	this	DT
39142	997	5	direction	direction	NN
39142	997	6	not	not	RB
39142	997	7	only	only	RB
39142	997	8	,	,	,
39142	997	9	but	but	CC
39142	997	10	gave	give	VBD
39142	997	11	a	a	DT
39142	997	12	determination	determination	NN
39142	997	13	of	of	IN
39142	997	14	the	the	DT
39142	997	15	velocity	velocity	NN
39142	997	16	of	of	IN
39142	997	17	our	-PRON-	PRP$
39142	997	18	motion	motion	NN
39142	997	19	of	of	IN
39142	997	20	twelve	twelve	CD
39142	997	21	miles	mile	NNS
39142	997	22	per	per	IN
39142	997	23	second	second	NN
39142	997	24	in	in	IN
39142	997	25	a	a	DT
39142	997	26	direction	direction	NN
39142	997	27	approximately	approximately	RB
39142	997	28	that	that	DT
39142	997	29	of	of	IN
39142	997	30	the	the	DT
39142	997	31	constellation	constellation	NN
39142	997	32	Lyra	Lyra	NNP
39142	997	33	.	.	.
39142	998	1	From	from	IN
39142	998	2	corresponding	correspond	VBG
39142	998	3	radial	radial	JJ
39142	998	4	velocities	velocity	NNS
39142	998	5	,	,	,
39142	998	6	we	-PRON-	PRP
39142	998	7	draw	draw	VBP
39142	998	8	the	the	DT
39142	998	9	ready	ready	JJ
39142	998	10	conclusion	conclusion	NN
39142	998	11	that	that	IN
39142	998	12	certain	certain	JJ
39142	998	13	groups	group	NNS
39142	998	14	or	or	CC
39142	998	15	clusters	cluster	NNS
39142	998	16	of	of	IN
39142	998	17	stars	star	NNS
39142	998	18	are	be	VBP
39142	998	19	actually	actually	RB
39142	998	20	connected	connect	VBN
39142	998	21	in	in	IN
39142	998	22	space	space	NN
39142	998	23	and	and	CC
39142	998	24	moving	move	VBG
39142	998	25	as	as	RB
39142	998	26	related	relate	VBN
39142	998	27	systems	system	NNS
39142	998	28	,	,	,
39142	998	29	as	as	IN
39142	998	30	in	in	IN
39142	998	31	the	the	DT
39142	998	32	Pleiades	Pleiades	NNPS
39142	998	33	and	and	CC
39142	998	34	Ursa	Ursa	NNP
39142	998	35	Major	Major	NNP
39142	998	36	.	.	.
39142	999	1	Rather	rather	RB
39142	999	2	more	more	JJR
39142	999	3	than	than	IN
39142	999	4	a	a	DT
39142	999	5	quarter	quarter	NN
39142	999	6	century	century	NN
39142	999	7	ago	ago	RB
39142	999	8	,	,	,
39142	999	9	the	the	DT
39142	999	10	spectroscope	spectroscope	NN
39142	999	11	came	come	VBD
39142	999	12	to	to	IN
39142	999	13	the	the	DT
39142	999	14	assistance	assistance	NN
39142	999	15	of	of	IN
39142	999	16	the	the	DT
39142	999	17	telescope	telescope	NN
39142	999	18	in	in	IN
39142	999	19	helping	help	VBG
39142	999	20	to	to	TO
39142	999	21	solve	solve	VB
39142	999	22	the	the	DT
39142	999	23	intricate	intricate	JJ
39142	999	24	problem	problem	NN
39142	999	25	of	of	IN
39142	999	26	stellar	stellar	JJ
39142	999	27	distribution	distribution	NN
39142	999	28	.	.	.
39142	1000	1	Kapteyn	Kapteyn	NNP
39142	1000	2	,	,	,
39142	1000	3	by	by	IN
39142	1000	4	combining	combine	VBG
39142	1000	5	the	the	DT
39142	1000	6	proper	proper	JJ
39142	1000	7	motions	motion	NNS
39142	1000	8	of	of	IN
39142	1000	9	certain	certain	JJ
39142	1000	10	stars	star	NNS
39142	1000	11	with	with	IN
39142	1000	12	their	-PRON-	PRP$
39142	1000	13	classification	classification	NN
39142	1000	14	in	in	IN
39142	1000	15	the	the	DT
39142	1000	16	Draper	Draper	NNP
39142	1000	17	catalogue	catalogue	NN
39142	1000	18	of	of	IN
39142	1000	19	stellar	stellar	JJ
39142	1000	20	spectra	spectra	NNP
39142	1000	21	,	,	,
39142	1000	22	drew	draw	VBD
39142	1000	23	the	the	DT
39142	1000	24	conclusion	conclusion	NN
39142	1000	25	that	that	IN
39142	1000	26	,	,	,
39142	1000	27	as	as	IN
39142	1000	28	stars	star	NNS
39142	1000	29	having	have	VBG
39142	1000	30	very	very	RB
39142	1000	31	small	small	JJ
39142	1000	32	proper	proper	JJ
39142	1000	33	motions	motion	NNS
39142	1000	34	show	show	VBP
39142	1000	35	a	a	DT
39142	1000	36	condensation	condensation	NN
39142	1000	37	toward	toward	IN
39142	1000	38	the	the	DT
39142	1000	39	Galaxy	Galaxy	NNP
39142	1000	40	,	,	,
39142	1000	41	the	the	DT
39142	1000	42	stars	star	NNS
39142	1000	43	composing	compose	VBG
39142	1000	44	this	this	DT
39142	1000	45	girdle	girdle	NN
39142	1000	46	are	be	VBP
39142	1000	47	mostly	mostly	RB
39142	1000	48	of	of	IN
39142	1000	49	the	the	DT
39142	1000	50	Sirian	sirian	JJ
39142	1000	51	type	type	NN
39142	1000	52	,	,	,
39142	1000	53	and	and	CC
39142	1000	54	are	be	VBP
39142	1000	55	at	at	IN
39142	1000	56	vast	vast	JJ
39142	1000	57	distances	distance	NNS
39142	1000	58	from	from	IN
39142	1000	59	the	the	DT
39142	1000	60	solar	solar	JJ
39142	1000	61	system	system	NN
39142	1000	62	.	.	.
39142	1001	1	The	the	DT
39142	1001	2	proper	proper	JJ
39142	1001	3	motion	motion	NN
39142	1001	4	of	of	IN
39142	1001	5	a	a	DT
39142	1001	6	star	star	NN
39142	1001	7	near	near	IN
39142	1001	8	to	to	IN
39142	1001	9	us	-PRON-	PRP
39142	1001	10	will	will	MD
39142	1001	11	ordinarily	ordinarily	RB
39142	1001	12	be	be	VB
39142	1001	13	large	large	JJ
39142	1001	14	,	,	,
39142	1001	15	and	and	CC
39142	1001	16	,	,	,
39142	1001	17	in	in	IN
39142	1001	18	the	the	DT
39142	1001	19	case	case	NN
39142	1001	20	of	of	IN
39142	1001	21	solar	solar	JJ
39142	1001	22	stars	star	NNS
39142	1001	23	,	,	,
39142	1001	24	the	the	DT
39142	1001	25	larger	large	JJR
39142	1001	26	their	-PRON-	PRP$
39142	1001	27	proper	proper	JJ
39142	1001	28	motion	motion	NN
39142	1001	29	the	the	DT
39142	1001	30	greater	great	JJR
39142	1001	31	their	-PRON-	PRP$
39142	1001	32	number	number	NN
39142	1001	33	.	.	.
39142	1002	1	So	so	RB
39142	1002	2	it	-PRON-	PRP
39142	1002	3	would	would	MD
39142	1002	4	appear	appear	VB
39142	1002	5	that	that	IN
39142	1002	6	the	the	DT
39142	1002	7	solar	solar	JJ
39142	1002	8	stars	star	NNS
39142	1002	9	are	be	VBP
39142	1002	10	aggregated	aggregate	VBN
39142	1002	11	round	round	IN
39142	1002	12	the	the	DT
39142	1002	13	sun	sun	NN
39142	1002	14	himself	-PRON-	PRP
39142	1002	15	,	,	,
39142	1002	16	and	and	CC
39142	1002	17	this	this	DT
39142	1002	18	conclusion	conclusion	NN
39142	1002	19	is	be	VBZ
39142	1002	20	greatly	greatly	RB
39142	1002	21	strengthened	strengthen	VBN
39142	1002	22	by	by	IN
39142	1002	23	the	the	DT
39142	1002	24	fact	fact	NN
39142	1002	25	that	that	IN
39142	1002	26	of	of	IN
39142	1002	27	stars	star	NNS
39142	1002	28	whose	whose	WP$
39142	1002	29	distances	distance	NNS
39142	1002	30	and	and	CC
39142	1002	31	spectral	spectral	NN
39142	1002	32	type	type	NN
39142	1002	33	are	be	VBP
39142	1002	34	both	both	DT
39142	1002	35	ascertained	ascertained	JJ
39142	1002	36	,	,	,
39142	1002	37	seven	seven	CD
39142	1002	38	of	of	IN
39142	1002	39	the	the	DT
39142	1002	40	eight	eight	CD
39142	1002	41	nearest	near	JJS
39142	1002	42	to	to	IN
39142	1002	43	us	-PRON-	PRP
39142	1002	44	are	be	VBP
39142	1002	45	solar	solar	JJ
39142	1002	46	stars	star	NNS
39142	1002	47	.	.	.
39142	1003	1	In	in	IN
39142	1003	2	1889	1889	CD
39142	1003	3	the	the	DT
39142	1003	4	spectroscope	spectroscope	NN
39142	1003	5	achieved	achieve	VBD
39142	1003	6	an	an	DT
39142	1003	7	unexpected	unexpected	JJ
39142	1003	8	triumph	triumph	NN
39142	1003	9	by	by	IN
39142	1003	10	enabling	enable	VBG
39142	1003	11	the	the	DT
39142	1003	12	late	late	JJ
39142	1003	13	Professor	Professor	NNP
39142	1003	14	Pickering	Pickering	NNP
39142	1003	15	to	to	TO
39142	1003	16	make	make	VB
39142	1003	17	the	the	DT
39142	1003	18	first	first	JJ
39142	1003	19	discovery	discovery	NN
39142	1003	20	of	of	IN
39142	1003	21	a	a	DT
39142	1003	22	spectroscopic	spectroscopic	JJ
39142	1003	23	double	double	NN
39142	1003	24	,	,	,
39142	1003	25	or	or	CC
39142	1003	26	binary	binary	JJ
39142	1003	27	star	star	NN
39142	1003	28	,	,	,
39142	1003	29	a	a	DT
39142	1003	30	type	type	NN
39142	1003	31	of	of	IN
39142	1003	32	object	object	NN
39142	1003	33	now	now	RB
39142	1003	34	quite	quite	RB
39142	1003	35	abundant	abundant	JJ
39142	1003	36	.	.	.
39142	1004	1	Unlike	unlike	IN
39142	1004	2	the	the	DT
39142	1004	3	visual	visual	JJ
39142	1004	4	binary	binary	JJ
39142	1004	5	systems	system	NNS
39142	1004	6	whose	whose	WP$
39142	1004	7	periods	period	NNS
39142	1004	8	are	be	VBP
39142	1004	9	years	year	NNS
39142	1004	10	in	in	IN
39142	1004	11	length	length	NN
39142	1004	12	,	,	,
39142	1004	13	the	the	DT
39142	1004	14	spectroscopic	spectroscopic	JJ
39142	1004	15	binaries	binary	NNS
39142	1004	16	have	have	VBP
39142	1004	17	short	short	JJ
39142	1004	18	periods	period	NNS
39142	1004	19	,	,	,
39142	1004	20	reckoned	reckon	VBN
39142	1004	21	in	in	IN
39142	1004	22	some	some	DT
39142	1004	23	cases	case	NNS
39142	1004	24	in	in	IN
39142	1004	25	days	day	NNS
39142	1004	26	,	,	,
39142	1004	27	or	or	CC
39142	1004	28	hours	hour	NNS
39142	1004	29	even	even	RB
39142	1004	30	.	.	.
39142	1005	1	If	if	IN
39142	1005	2	the	the	DT
39142	1005	3	orbit	orbit	NN
39142	1005	4	of	of	IN
39142	1005	5	a	a	DT
39142	1005	6	very	very	RB
39142	1005	7	close	close	JJ
39142	1005	8	binary	binary	NN
39142	1005	9	is	be	VBZ
39142	1005	10	seen	see	VBN
39142	1005	11	edge	edge	NN
39142	1005	12	on	on	IN
39142	1005	13	,	,	,
39142	1005	14	the	the	DT
39142	1005	15	light	light	NN
39142	1005	16	of	of	IN
39142	1005	17	the	the	DT
39142	1005	18	two	two	CD
39142	1005	19	stars	star	NNS
39142	1005	20	will	will	MD
39142	1005	21	coalesce	coalesce	VB
39142	1005	22	twice	twice	RB
39142	1005	23	in	in	IN
39142	1005	24	every	every	DT
39142	1005	25	revolution	revolution	NN
39142	1005	26	.	.	.
39142	1006	1	Halfway	halfway	RB
39142	1006	2	between	between	IN
39142	1006	3	these	these	DT
39142	1006	4	points	point	NNS
39142	1006	5	there	there	EX
39142	1006	6	are	be	VBP
39142	1006	7	two	two	CD
39142	1006	8	times	time	NNS
39142	1006	9	when	when	WRB
39142	1006	10	the	the	DT
39142	1006	11	two	two	CD
39142	1006	12	stars	star	NNS
39142	1006	13	will	will	MD
39142	1006	14	be	be	VB
39142	1006	15	moving	move	VBG
39142	1006	16	,	,	,
39142	1006	17	one	one	CD
39142	1006	18	toward	toward	IN
39142	1006	19	the	the	DT
39142	1006	20	earth	earth	NN
39142	1006	21	and	and	CC
39142	1006	22	the	the	DT
39142	1006	23	other	other	JJ
39142	1006	24	from	from	IN
39142	1006	25	it	-PRON-	PRP
39142	1006	26	.	.	.
39142	1007	1	At	at	IN
39142	1007	2	all	all	DT
39142	1007	3	times	time	NNS
39142	1007	4	the	the	DT
39142	1007	5	light	light	NN
39142	1007	6	of	of	IN
39142	1007	7	the	the	DT
39142	1007	8	star	star	NN
39142	1007	9	,	,	,
39142	1007	10	in	in	IN
39142	1007	11	so	so	RB
39142	1007	12	far	far	RB
39142	1007	13	as	as	IN
39142	1007	14	the	the	DT
39142	1007	15	telescope	telescope	NN
39142	1007	16	shows	show	VBZ
39142	1007	17	it	-PRON-	PRP
39142	1007	18	,	,	,
39142	1007	19	proceeds	proceed	VBZ
39142	1007	20	from	from	IN
39142	1007	21	a	a	DT
39142	1007	22	single	single	JJ
39142	1007	23	object	object	NN
39142	1007	24	.	.	.
39142	1008	1	Now	now	RB
39142	1008	2	photograph	photograph	VB
39142	1008	3	the	the	DT
39142	1008	4	star	star	NN
39142	1008	5	's	's	POS
39142	1008	6	spectrum	spectrum	NN
39142	1008	7	at	at	IN
39142	1008	8	each	each	DT
39142	1008	9	of	of	IN
39142	1008	10	the	the	DT
39142	1008	11	four	four	CD
39142	1008	12	critical	critical	JJ
39142	1008	13	points	point	NNS
39142	1008	14	above	above	IN
39142	1008	15	indicated	indicate	VBD
39142	1008	16	:	:	:
39142	1008	17	in	in	IN
39142	1008	18	the	the	DT
39142	1008	19	first	first	JJ
39142	1008	20	pair	pair	NN
39142	1008	21	the	the	DT
39142	1008	22	lines	line	NNS
39142	1008	23	are	be	VBP
39142	1008	24	sharply	sharply	RB
39142	1008	25	defined	define	VBN
39142	1008	26	and	and	CC
39142	1008	27	single	single	JJ
39142	1008	28	,	,	,
39142	1008	29	because	because	IN
39142	1008	30	at	at	IN
39142	1008	31	conjunction	conjunction	NN
39142	1008	32	the	the	DT
39142	1008	33	stars	star	NNS
39142	1008	34	are	be	VBP
39142	1008	35	simply	simply	RB
39142	1008	36	moving	move	VBG
39142	1008	37	athwart	athwart	JJ
39142	1008	38	the	the	DT
39142	1008	39	line	line	NN
39142	1008	40	of	of	IN
39142	1008	41	sight	sight	NN
39142	1008	42	,	,	,
39142	1008	43	while	while	IN
39142	1008	44	at	at	IN
39142	1008	45	the	the	DT
39142	1008	46	intermediate	intermediate	JJ
39142	1008	47	points	point	NNS
39142	1008	48	the	the	DT
39142	1008	49	lines	line	NNS
39142	1008	50	are	be	VBP
39142	1008	51	double	double	JJ
39142	1008	52	.	.	.
39142	1009	1	Doppler	Doppler	NNP
39142	1009	2	's	's	POS
39142	1009	3	principle	principle	NN
39142	1009	4	completely	completely	RB
39142	1009	5	accounts	account	VBZ
39142	1009	6	for	for	IN
39142	1009	7	this	this	DT
39142	1009	8	:	:	:
39142	1009	9	the	the	DT
39142	1009	10	light	light	NN
39142	1009	11	from	from	IN
39142	1009	12	the	the	DT
39142	1009	13	receding	recede	VBG
39142	1009	14	companion	companion	NN
39142	1009	15	is	be	VBZ
39142	1009	16	giving	give	VBG
39142	1009	17	lines	line	NNS
39142	1009	18	displaced	displace	VBN
39142	1009	19	toward	toward	IN
39142	1009	20	the	the	DT
39142	1009	21	red	red	NN
39142	1009	22	,	,	,
39142	1009	23	while	while	IN
39142	1009	24	the	the	DT
39142	1009	25	approaching	approach	VBG
39142	1009	26	companion	companion	NN
39142	1009	27	yields	yield	NNS
39142	1009	28	lines	line	NNS
39142	1009	29	displaced	displace	VBN
39142	1009	30	toward	toward	IN
39142	1009	31	the	the	DT
39142	1009	32	violet	violet	NN
39142	1009	33	.	.	.
39142	1010	1	Mizar	Mizar	NNP
39142	1010	2	,	,	,
39142	1010	3	the	the	DT
39142	1010	4	double	double	JJ
39142	1010	5	star	star	NN
39142	1010	6	at	at	IN
39142	1010	7	the	the	DT
39142	1010	8	bend	bend	NN
39142	1010	9	of	of	IN
39142	1010	10	the	the	DT
39142	1010	11	handle	handle	NN
39142	1010	12	in	in	IN
39142	1010	13	the	the	DT
39142	1010	14	Great	Great	NNP
39142	1010	15	Dipper	Dipper	NNP
39142	1010	16	was	be	VBD
39142	1010	17	the	the	DT
39142	1010	18	first	first	JJ
39142	1010	19	star	star	NN
39142	1010	20	to	to	TO
39142	1010	21	yield	yield	VB
39142	1010	22	this	this	DT
39142	1010	23	peculiar	peculiar	JJ
39142	1010	24	type	type	NN
39142	1010	25	of	of	IN
39142	1010	26	spectrum	spectrum	NN
39142	1010	27	,	,	,
39142	1010	28	and	and	CC
39142	1010	29	the	the	DT
39142	1010	30	period	period	NN
39142	1010	31	of	of	IN
39142	1010	32	its	-PRON-	PRP$
39142	1010	33	invisible	invisible	JJ
39142	1010	34	companion	companion	NN
39142	1010	35	is	be	VBZ
39142	1010	36	about	about	RB
39142	1010	37	52	52	CD
39142	1010	38	days	day	NNS
39142	1010	39	.	.	.
39142	1011	1	The	the	DT
39142	1011	2	relative	relative	JJ
39142	1011	3	velocity	velocity	NN
39142	1011	4	of	of	IN
39142	1011	5	the	the	DT
39142	1011	6	components	component	NNS
39142	1011	7	is	be	VBZ
39142	1011	8	100	100	CD
39142	1011	9	miles	mile	NNS
39142	1011	10	a	a	DT
39142	1011	11	second	second	NN
39142	1011	12	,	,	,
39142	1011	13	and	and	CC
39142	1011	14	applying	apply	VBG
39142	1011	15	Newton	Newton	NNP
39142	1011	16	's	's	POS
39142	1011	17	law	law	NN
39142	1011	18	we	-PRON-	PRP
39142	1011	19	find	find	VBP
39142	1011	20	its	-PRON-	PRP$
39142	1011	21	mass	mass	NN
39142	1011	22	exceeds	exceed	VBZ
39142	1011	23	that	that	DT
39142	1011	24	of	of	IN
39142	1011	25	the	the	DT
39142	1011	26	sun	sun	NN
39142	1011	27	forty	forty	NN
39142	1011	28	-	-	RB
39142	1011	29	fold	fold	RB
39142	1011	30	.	.	.
39142	1012	1	Capella	Capella	NNP
39142	1012	2	has	have	VBZ
39142	1012	3	been	be	VBN
39142	1012	4	found	find	VBN
39142	1012	5	to	to	TO
39142	1012	6	be	be	VB
39142	1012	7	a	a	DT
39142	1012	8	spectroscopic	spectroscopic	JJ
39142	1012	9	binary	binary	NN
39142	1012	10	;	;	:
39142	1012	11	also	also	RB
39142	1012	12	the	the	DT
39142	1012	13	pole	pole	NN
39142	1012	14	star	star	NN
39142	1012	15	.	.	.
39142	1013	1	Spectroscopic	spectroscopic	JJ
39142	1013	2	binaries	binary	NNS
39142	1013	3	have	have	VBP
39142	1013	4	relatively	relatively	RB
39142	1013	5	short	short	JJ
39142	1013	6	periods	period	NNS
39142	1013	7	,	,	,
39142	1013	8	one	one	CD
39142	1013	9	of	of	IN
39142	1013	10	the	the	DT
39142	1013	11	shortest	shortest	RBS
39142	1013	12	known	know	VBN
39142	1013	13	being	be	VBG
39142	1013	14	only	only	RB
39142	1013	15	35	35	CD
39142	1013	16	hours	hour	NNS
39142	1013	17	in	in	IN
39142	1013	18	length	length	NN
39142	1013	19	.	.	.
39142	1014	1	It	-PRON-	PRP
39142	1014	2	is	be	VBZ
39142	1014	3	in	in	IN
39142	1014	4	the	the	DT
39142	1014	5	constellation	constellation	NN
39142	1014	6	Scorpio	Scorpio	NNP
39142	1014	7	.	.	.
39142	1015	1	Beta	Beta	NNP
39142	1015	2	Aurigæ	Aurigæ	NNP
39142	1015	3	is	be	VBZ
39142	1015	4	another	another	DT
39142	1015	5	whose	whose	WP$
39142	1015	6	lines	line	NNS
39142	1015	7	double	double	VBP
39142	1015	8	on	on	IN
39142	1015	9	alternate	alternate	JJ
39142	1015	10	nights	night	NNS
39142	1015	11	,	,	,
39142	1015	12	giving	give	VBG
39142	1015	13	a	a	DT
39142	1015	14	period	period	NN
39142	1015	15	of	of	IN
39142	1015	16	four	four	CD
39142	1015	17	days	day	NNS
39142	1015	18	;	;	:
39142	1015	19	and	and	CC
39142	1015	20	the	the	DT
39142	1015	21	combined	combine	VBN
39142	1015	22	mass	mass	NN
39142	1015	23	of	of	IN
39142	1015	24	both	both	DT
39142	1015	25	stars	star	NNS
39142	1015	26	is	be	VBZ
39142	1015	27	more	more	JJR
39142	1015	28	than	than	IN
39142	1015	29	twice	twice	PDT
39142	1015	30	that	that	DT
39142	1015	31	of	of	IN
39142	1015	32	the	the	DT
39142	1015	33	sun	sun	NN
39142	1015	34	.	.	.
39142	1016	1	The	the	DT
39142	1016	2	catalogue	catalogue	NN
39142	1016	3	of	of	IN
39142	1016	4	spectroscopic	spectroscopic	JJ
39142	1016	5	binaries	binary	NNS
39142	1016	6	is	be	VBZ
39142	1016	7	constantly	constantly	RB
39142	1016	8	enlarging	enlarging	JJ
39142	1016	9	;	;	:
39142	1016	10	but	but	CC
39142	1016	11	thousands	thousand	NNS
39142	1016	12	doubtless	doubtless	RB
39142	1016	13	exist	exist	VBP
39142	1016	14	that	that	WDT
39142	1016	15	can	can	MD
39142	1016	16	never	never	RB
39142	1016	17	be	be	VB
39142	1016	18	discovered	discover	VBN
39142	1016	19	by	by	IN
39142	1016	20	this	this	DT
39142	1016	21	method	method	NN
39142	1016	22	,	,	,
39142	1016	23	as	as	IN
39142	1016	24	is	be	VBZ
39142	1016	25	evident	evident	JJ
39142	1016	26	if	if	IN
39142	1016	27	their	-PRON-	PRP$
39142	1016	28	orbits	orbit	NNS
39142	1016	29	are	be	VBP
39142	1016	30	perpendicular	perpendicular	JJ
39142	1016	31	to	to	IN
39142	1016	32	the	the	DT
39142	1016	33	line	line	NN
39142	1016	34	of	of	IN
39142	1016	35	sight	sight	NN
39142	1016	36	or	or	CC
39142	1016	37	nearly	nearly	RB
39142	1016	38	so	so	RB
39142	1016	39	.	.	.
39142	1017	1	The	the	DT
39142	1017	2	history	history	NN
39142	1017	3	of	of	IN
39142	1017	4	the	the	DT
39142	1017	5	spectroscopic	spectroscopic	JJ
39142	1017	6	binaries	binary	NNS
39142	1017	7	is	be	VBZ
39142	1017	8	one	one	CD
39142	1017	9	of	of	IN
39142	1017	10	the	the	DT
39142	1017	11	most	most	RBS
39142	1017	12	interesting	interesting	JJ
39142	1017	13	chapters	chapter	NNS
39142	1017	14	in	in	IN
39142	1017	15	astronomy	astronomy	NN
39142	1017	16	,	,	,
39142	1017	17	and	and	CC
39142	1017	18	affords	afford	VBZ
39142	1017	19	a	a	DT
39142	1017	20	marvelous	marvelous	JJ
39142	1017	21	confirmation	confirmation	NN
39142	1017	22	of	of	IN
39142	1017	23	the	the	DT
39142	1017	24	prediction	prediction	NN
39142	1017	25	of	of	IN
39142	1017	26	Bessel	Bessel	NNP
39142	1017	27	who	who	WP
39142	1017	28	first	first	RB
39142	1017	29	wrote	write	VBD
39142	1017	30	of	of	IN
39142	1017	31	"	"	``
39142	1017	32	the	the	DT
39142	1017	33	astronomy	astronomy	NN
39142	1017	34	of	of	IN
39142	1017	35	the	the	DT
39142	1017	36	invisible	invisible	JJ
39142	1017	37	.	.	.
39142	1017	38	"	"	''
39142	1018	1	Find	find	VB
39142	1018	2	a	a	DT
39142	1018	3	star	star	NN
39142	1018	4	's	's	POS
39142	1018	5	distance	distance	NN
39142	1018	6	by	by	IN
39142	1018	7	the	the	DT
39142	1018	8	spectroscope	spectroscope	NN
39142	1018	9	?	?	.
39142	1019	1	Impossible	impossible	JJ
39142	1019	2	,	,	,
39142	1019	3	everyone	everyone	NN
39142	1019	4	would	would	MD
39142	1019	5	have	have	VB
39142	1019	6	said	say	VBD
39142	1019	7	,	,	,
39142	1019	8	even	even	RB
39142	1019	9	a	a	DT
39142	1019	10	very	very	RB
39142	1019	11	few	few	JJ
39142	1019	12	years	year	NNS
39142	1019	13	ago	ago	RB
39142	1019	14	.	.	.
39142	1020	1	Now	now	RB
39142	1020	2	,	,	,
39142	1020	3	however	however	RB
39142	1020	4	,	,	,
39142	1020	5	the	the	DT
39142	1020	6	thing	thing	NN
39142	1020	7	is	be	VBZ
39142	1020	8	done	do	VBN
39142	1020	9	,	,	,
39142	1020	10	and	and	CC
39142	1020	11	with	with	IN
39142	1020	12	increasing	increase	VBG
39142	1020	13	accuracy	accuracy	NN
39142	1020	14	.	.	.
39142	1021	1	Adams	Adams	NNP
39142	1021	2	of	of	IN
39142	1021	3	Mount	Mount	NNP
39142	1021	4	Wilson	Wilson	NNP
39142	1021	5	has	have	VBZ
39142	1021	6	found	find	VBN
39142	1021	7	,	,	,
39142	1021	8	after	after	IN
39142	1021	9	protracted	protract	VBN
39142	1021	10	investigation	investigation	NN
39142	1021	11	,	,	,
39142	1021	12	that	that	IN
39142	1021	13	the	the	DT
39142	1021	14	relative	relative	JJ
39142	1021	15	intensity	intensity	NN
39142	1021	16	of	of	IN
39142	1021	17	certain	certain	JJ
39142	1021	18	spectral	spectral	JJ
39142	1021	19	lines	line	NNS
39142	1021	20	varies	vary	VBZ
39142	1021	21	according	accord	VBG
39142	1021	22	to	to	IN
39142	1021	23	the	the	DT
39142	1021	24	absolute	absolute	JJ
39142	1021	25	brightness	brightness	NN
39142	1021	26	of	of	IN
39142	1021	27	a	a	DT
39142	1021	28	star	star	NN
39142	1021	29	;	;	:
39142	1021	30	indeed	indeed	RB
39142	1021	31	,	,	,
39142	1021	32	so	so	RB
39142	1021	33	close	close	JJ
39142	1021	34	is	be	VBZ
39142	1021	35	the	the	DT
39142	1021	36	correspondence	correspondence	NN
39142	1021	37	that	that	WDT
39142	1021	38	the	the	DT
39142	1021	39	spectroscopic	spectroscopic	JJ
39142	1021	40	observations	observation	NNS
39142	1021	41	are	be	VBP
39142	1021	42	employed	employ	VBN
39142	1021	43	to	to	TO
39142	1021	44	provide	provide	VB
39142	1021	45	in	in	IN
39142	1021	46	certain	certain	JJ
39142	1021	47	cases	case	NNS
39142	1021	48	a	a	DT
39142	1021	49	good	good	JJ
39142	1021	50	determination	determination	NN
39142	1021	51	of	of	IN
39142	1021	52	the	the	DT
39142	1021	53	absolute	absolute	JJ
39142	1021	54	magnitude	magnitude	NN
39142	1021	55	,	,	,
39142	1021	56	and	and	CC
39142	1021	57	therefore	therefore	RB
39142	1021	58	of	of	IN
39142	1021	59	the	the	DT
39142	1021	60	distance	distance	NN
39142	1021	61	.	.	.
39142	1022	1	To	to	TO
39142	1022	2	test	test	VB
39142	1022	3	this	this	DT
39142	1022	4	relation	relation	NN
39142	1022	5	,	,	,
39142	1022	6	the	the	DT
39142	1022	7	spectroscopic	spectroscopic	JJ
39142	1022	8	parallaxes	parallax	NNS
39142	1022	9	have	have	VBP
39142	1022	10	been	be	VBN
39142	1022	11	compared	compare	VBN
39142	1022	12	with	with	IN
39142	1022	13	the	the	DT
39142	1022	14	measured	measure	VBN
39142	1022	15	parallaxes	parallax	NNS
39142	1022	16	in	in	IN
39142	1022	17	numerous	numerous	JJ
39142	1022	18	instances	instance	NNS
39142	1022	19	,	,	,
39142	1022	20	and	and	CC
39142	1022	21	an	an	DT
39142	1022	22	excellent	excellent	JJ
39142	1022	23	agreement	agreement	NN
39142	1022	24	is	be	VBZ
39142	1022	25	shown	show	VBN
39142	1022	26	.	.	.
39142	1023	1	This	this	DT
39142	1023	2	new	new	JJ
39142	1023	3	method	method	NN
39142	1023	4	is	be	VBZ
39142	1023	5	adding	add	VBG
39142	1023	6	extensively	extensively	RB
39142	1023	7	to	to	IN
39142	1023	8	our	-PRON-	PRP$
39142	1023	9	knowledge	knowledge	NN
39142	1023	10	of	of	IN
39142	1023	11	stellar	stellar	JJ
39142	1023	12	luminosities	luminosity	NNS
39142	1023	13	and	and	CC
39142	1023	14	distances	distance	NNS
39142	1023	15	,	,	,
39142	1023	16	and	and	CC
39142	1023	17	even	even	RB
39142	1023	18	the	the	DT
39142	1023	19	vast	vast	JJ
39142	1023	20	distances	distance	NNS
39142	1023	21	of	of	IN
39142	1023	22	globular	globular	JJ
39142	1023	23	clusters	cluster	NNS
39142	1023	24	and	and	CC
39142	1023	25	spiral	spiral	JJ
39142	1023	26	nebulæ	nebulæ	NN
39142	1023	27	are	be	VBP
39142	1023	28	becoming	become	VBG
39142	1023	29	known	know	VBN
39142	1023	30	.	.	.
39142	1024	1	In	in	IN
39142	1024	2	fact	fact	NN
39142	1024	3	,	,	,
39142	1024	4	but	but	CC
39142	1024	5	few	few	JJ
39142	1024	6	departments	department	NNS
39142	1024	7	of	of	IN
39142	1024	8	the	the	DT
39142	1024	9	old	old	JJ
39142	1024	10	astronomy	astronomy	NN
39142	1024	11	are	be	VBP
39142	1024	12	left	leave	VBN
39142	1024	13	which	which	WDT
39142	1024	14	the	the	DT
39142	1024	15	new	new	JJ
39142	1024	16	astronomy	astronomy	NN
39142	1024	17	has	have	VBZ
39142	1024	18	not	not	RB
39142	1024	19	invaded	invade	VBN
39142	1024	20	,	,	,
39142	1024	21	and	and	CC
39142	1024	22	this	this	DT
39142	1024	23	latest	late	JJS
39142	1024	24	triumph	triumph	NN
39142	1024	25	of	of	IN
39142	1024	26	the	the	DT
39142	1024	27	spectroscope	spectroscope	NN
39142	1024	28	in	in	IN
39142	1024	29	determining	determine	VBG
39142	1024	30	accurately	accurately	RB
39142	1024	31	the	the	DT
39142	1024	32	distances	distance	NNS
39142	1024	33	of	of	IN
39142	1024	34	even	even	RB
39142	1024	35	the	the	DT
39142	1024	36	remotest	remote	JJS
39142	1024	37	stars	star	NNS
39142	1024	38	is	be	VBZ
39142	1024	39	enthusiastically	enthusiastically	RB
39142	1024	40	welcomed	welcome	VBN
39142	1024	41	by	by	IN
39142	1024	42	advocates	advocate	NNS
39142	1024	43	of	of	IN
39142	1024	44	the	the	DT
39142	1024	45	old	old	JJ
39142	1024	46	and	and	CC
39142	1024	47	new	new	JJ
39142	1024	48	astronomy	astronomy	NN
39142	1024	49	alike	alike	RB
39142	1024	50	.	.	.
39142	1025	1	CHAPTER	chapter	NN
39142	1025	2	XXI	XXI	NNP
39142	1025	3	THE	the	DT
39142	1025	4	STORY	STORY	NNP
39142	1025	5	OF	of	IN
39142	1025	6	ASTRONOMICAL	ASTRONOMICAL	NNP
39142	1025	7	PHOTOGRAPHY	PHOTOGRAPHY	NNP
39142	1025	8	The	the	DT
39142	1025	9	most	most	RBS
39142	1025	10	powerful	powerful	JJ
39142	1025	11	ally	ally	NN
39142	1025	12	of	of	IN
39142	1025	13	both	both	CC
39142	1025	14	telescope	telescope	NN
39142	1025	15	and	and	CC
39142	1025	16	spectroscope	spectroscope	NN
39142	1025	17	is	be	VBZ
39142	1025	18	photography	photography	NN
39142	1025	19	.	.	.
39142	1026	1	Without	without	IN
39142	1026	2	it	-PRON-	PRP
39142	1026	3	the	the	DT
39142	1026	4	marvelous	marvelous	JJ
39142	1026	5	researches	research	NNS
39142	1026	6	carried	carry	VBN
39142	1026	7	on	on	RP
39142	1026	8	with	with	IN
39142	1026	9	both	both	PDT
39142	1026	10	these	these	DT
39142	1026	11	types	type	NNS
39142	1026	12	of	of	IN
39142	1026	13	instrument	instrument	NN
39142	1026	14	would	would	MD
39142	1026	15	have	have	VB
39142	1026	16	been	be	VBN
39142	1026	17	essentially	essentially	RB
39142	1026	18	impossible	impossible	JJ
39142	1026	19	.	.	.
39142	1027	1	Even	even	RB
39142	1027	2	the	the	DT
39142	1027	3	great	great	JJ
39142	1027	4	telescopes	telescope	NNS
39142	1027	5	of	of	IN
39142	1027	6	Herschel	Herschel	NNP
39142	1027	7	and	and	CC
39142	1027	8	Lord	Lord	NNP
39142	1027	9	Rosse	Rosse	NNP
39142	1027	10	,	,	,
39142	1027	11	notwithstanding	notwithstanding	IN
39142	1027	12	their	-PRON-	PRP$
39142	1027	13	splendid	splendid	JJ
39142	1027	14	record	record	NN
39142	1027	15	as	as	IN
39142	1027	16	optical	optical	JJ
39142	1027	17	instruments	instrument	NNS
39142	1027	18	,	,	,
39142	1027	19	might	may	MD
39142	1027	20	have	have	VB
39142	1027	21	achieved	achieve	VBN
39142	1027	22	vastly	vastly	RB
39142	1027	23	more	more	RBR
39142	1027	24	had	have	VBD
39142	1027	25	photography	photography	NN
39142	1027	26	been	be	VBN
39142	1027	27	developed	develop	VBN
39142	1027	28	in	in	IN
39142	1027	29	their	-PRON-	PRP$
39142	1027	30	time	time	NN
39142	1027	31	to	to	IN
39142	1027	32	the	the	DT
39142	1027	33	point	point	NN
39142	1027	34	where	where	WRB
39142	1027	35	the	the	DT
39142	1027	36	astronomer	astronomer	NN
39142	1027	37	could	could	MD
39142	1027	38	have	have	VB
39142	1027	39	employed	employ	VBN
39142	1027	40	its	-PRON-	PRP$
39142	1027	41	wonderful	wonderful	JJ
39142	1027	42	capabilities	capability	NNS
39142	1027	43	as	as	IN
39142	1027	44	he	-PRON-	PRP
39142	1027	45	does	do	VBZ
39142	1027	46	to	to	IN
39142	1027	47	-	-	HYPH
39142	1027	48	day	day	NN
39142	1027	49	.	.	.
39142	1028	1	And	and	CC
39142	1028	2	,	,	,
39142	1028	3	with	with	IN
39142	1028	4	the	the	DT
39142	1028	5	spectroscope	spectroscope	NN
39142	1028	6	,	,	,
39142	1028	7	it	-PRON-	PRP
39142	1028	8	is	be	VBZ
39142	1028	9	hardly	hardly	RB
39142	1028	10	too	too	RB
39142	1028	11	much	much	JJ
39142	1028	12	to	to	TO
39142	1028	13	say	say	VB
39142	1028	14	that	that	IN
39142	1028	15	no	no	DT
39142	1028	16	investigator	investigator	NN
39142	1028	17	ever	ever	RB
39142	1028	18	observes	observe	VBZ
39142	1028	19	visually	visually	RB
39142	1028	20	with	with	IN
39142	1028	21	that	that	DT
39142	1028	22	instrument	instrument	NN
39142	1028	23	any	any	DT
39142	1028	24	more	more	RBR
39142	1028	25	:	:	:
39142	1028	26	practically	practically	RB
39142	1028	27	every	every	DT
39142	1028	28	spectrum	spectrum	NN
39142	1028	29	is	be	VBZ
39142	1028	30	made	make	VBN
39142	1028	31	a	a	DT
39142	1028	32	matter	matter	NN
39142	1028	33	of	of	IN
39142	1028	34	photographic	photographic	JJ
39142	1028	35	record	record	NN
39142	1028	36	first	first	RB
39142	1028	37	.	.	.
39142	1029	1	The	the	DT
39142	1029	2	observing	observing	NN
39142	1029	3	,	,	,
39142	1029	4	or	or	CC
39142	1029	5	nowadays	nowadays	RB
39142	1029	6	the	the	DT
39142	1029	7	measuring	measuring	NN
39142	1029	8	,	,	,
39142	1029	9	is	be	VBZ
39142	1029	10	all	all	DT
39142	1029	11	done	do	VBN
39142	1029	12	afterward	afterward	RB
39142	1029	13	.	.	.
39142	1030	1	All	all	DT
39142	1030	2	telescopes	telescope	NNS
39142	1030	3	and	and	CC
39142	1030	4	cameras	camera	NNS
39142	1030	5	are	be	VBP
39142	1030	6	alike	alike	RB
39142	1030	7	,	,	,
39142	1030	8	in	in	IN
39142	1030	9	that	that	IN
39142	1030	10	each	each	DT
39142	1030	11	must	must	MD
39142	1030	12	form	form	VB
39142	1030	13	or	or	CC
39142	1030	14	have	have	VB
39142	1030	15	formed	form	VBN
39142	1030	16	within	within	IN
39142	1030	17	it	-PRON-	PRP
39142	1030	18	an	an	DT
39142	1030	19	image	image	NN
39142	1030	20	by	by	IN
39142	1030	21	means	mean	NNS
39142	1030	22	of	of	IN
39142	1030	23	a	a	DT
39142	1030	24	lens	lens	NN
39142	1030	25	or	or	CC
39142	1030	26	mirror	mirror	NN
39142	1030	27	.	.	.
39142	1031	1	In	in	IN
39142	1031	2	the	the	DT
39142	1031	3	telescope	telescope	NN
39142	1031	4	the	the	DT
39142	1031	5	eye	eye	NN
39142	1031	6	sees	see	VBZ
39142	1031	7	the	the	DT
39142	1031	8	fleeting	fleeting	JJ
39142	1031	9	image	image	NN
39142	1031	10	,	,	,
39142	1031	11	in	in	IN
39142	1031	12	the	the	DT
39142	1031	13	camera	camera	NN
39142	1031	14	the	the	DT
39142	1031	15	process	process	NN
39142	1031	16	of	of	IN
39142	1031	17	registering	register	VBG
39142	1031	18	the	the	DT
39142	1031	19	image	image	NN
39142	1031	20	on	on	IN
39142	1031	21	a	a	DT
39142	1031	22	plate	plate	NN
39142	1031	23	or	or	CC
39142	1031	24	film	film	NN
39142	1031	25	is	be	VBZ
39142	1031	26	known	know	VBN
39142	1031	27	as	as	IN
39142	1031	28	photography	photography	NN
39142	1031	29	.	.	.
39142	1032	1	Daguerre	Daguerre	NNS
39142	1032	2	first	first	RB
39142	1032	3	invented	invent	VBD
39142	1032	4	the	the	DT
39142	1032	5	process	process	NN
39142	1032	6	(	(	-LRB-
39142	1032	7	silver	silver	JJ
39142	1032	8	film	film	NN
39142	1032	9	on	on	IN
39142	1032	10	a	a	DT
39142	1032	11	copper	copper	NN
39142	1032	12	plate	plate	NN
39142	1032	13	)	)	-RRB-
39142	1032	14	in	in	IN
39142	1032	15	1839	1839	CD
39142	1032	16	.	.	.
39142	1033	1	The	the	DT
39142	1033	2	year	year	NN
39142	1033	3	following	follow	VBG
39142	1033	4	it	-PRON-	PRP
39142	1033	5	was	be	VBD
39142	1033	6	first	first	RB
39142	1033	7	employed	employ	VBN
39142	1033	8	on	on	IN
39142	1033	9	the	the	DT
39142	1033	10	moon	moon	NN
39142	1033	11	,	,	,
39142	1033	12	in	in	IN
39142	1033	13	1850	1850	CD
39142	1033	14	the	the	DT
39142	1033	15	first	first	JJ
39142	1033	16	star	star	NN
39142	1033	17	was	be	VBD
39142	1033	18	photographed	photograph	VBN
39142	1033	19	,	,	,
39142	1033	20	in	in	IN
39142	1033	21	1851	1851	CD
39142	1033	22	the	the	DT
39142	1033	23	first	first	JJ
39142	1033	24	total	total	JJ
39142	1033	25	eclipse	eclipse	NN
39142	1033	26	of	of	IN
39142	1033	27	the	the	DT
39142	1033	28	sun	sun	NN
39142	1033	29	;	;	:
39142	1033	30	all	all	RB
39142	1033	31	by	by	IN
39142	1033	32	the	the	DT
39142	1033	33	primitive	primitive	JJ
39142	1033	34	daguerreotype	daguerreotype	NN
39142	1033	35	process	process	NN
39142	1033	36	,	,	,
39142	1033	37	which	which	WDT
39142	1033	38	,	,	,
39142	1033	39	notwithstanding	notwithstanding	IN
39142	1033	40	its	-PRON-	PRP$
39142	1033	41	awkwardness	awkwardness	NN
39142	1033	42	and	and	CC
39142	1033	43	the	the	DT
39142	1033	44	great	great	JJ
39142	1033	45	length	length	NN
39142	1033	46	of	of	IN
39142	1033	47	exposure	exposure	NN
39142	1033	48	required	require	VBN
39142	1033	49	,	,	,
39142	1033	50	was	be	VBD
39142	1033	51	found	find	VBN
39142	1033	52	to	to	TO
39142	1033	53	possess	possess	VB
39142	1033	54	many	many	JJ
39142	1033	55	advantages	advantage	NNS
39142	1033	56	for	for	IN
39142	1033	57	astronomical	astronomical	JJ
39142	1033	58	work	work	NN
39142	1033	59	.	.	.
39142	1034	1	About	about	IN
39142	1034	2	the	the	DT
39142	1034	3	middle	middle	NN
39142	1034	4	of	of	IN
39142	1034	5	the	the	DT
39142	1034	6	last	last	JJ
39142	1034	7	century	century	NN
39142	1034	8	the	the	DT
39142	1034	9	wet	wet	JJ
39142	1034	10	plate	plate	NN
39142	1034	11	process	process	NN
39142	1034	12	,	,	,
39142	1034	13	so	so	RB
39142	1034	14	called	call	VBD
39142	1034	15	because	because	IN
39142	1034	16	the	the	DT
39142	1034	17	sensitized	sensitized	JJ
39142	1034	18	collodion	collodion	NN
39142	1034	19	film	film	NN
39142	1034	20	must	must	MD
39142	1034	21	be	be	VB
39142	1034	22	kept	keep	VBN
39142	1034	23	moist	moist	JJ
39142	1034	24	during	during	IN
39142	1034	25	exposure	exposure	NN
39142	1034	26	,	,	,
39142	1034	27	came	come	VBD
39142	1034	28	into	into	IN
39142	1034	29	general	general	JJ
39142	1034	30	use	use	NN
39142	1034	31	,	,	,
39142	1034	32	and	and	CC
39142	1034	33	the	the	DT
39142	1034	34	astronomers	astronomer	NNS
39142	1034	35	of	of	IN
39142	1034	36	that	that	DT
39142	1034	37	period	period	NN
39142	1034	38	were	be	VBD
39142	1034	39	not	not	RB
39142	1034	40	slow	slow	JJ
39142	1034	41	to	to	TO
39142	1034	42	avail	avail	VB
39142	1034	43	themselves	-PRON-	PRP
39142	1034	44	of	of	IN
39142	1034	45	the	the	DT
39142	1034	46	advantages	advantage	NNS
39142	1034	47	of	of	IN
39142	1034	48	a	a	DT
39142	1034	49	more	more	RBR
39142	1034	50	sensitive	sensitive	JJ
39142	1034	51	process	process	NN
39142	1034	52	,	,	,
39142	1034	53	which	which	WDT
39142	1034	54	in	in	IN
39142	1034	55	1872	1872	CD
39142	1034	56	,	,	,
39142	1034	57	in	in	IN
39142	1034	58	the	the	DT
39142	1034	59	skillful	skillful	JJ
39142	1034	60	hands	hand	NNS
39142	1034	61	of	of	IN
39142	1034	62	Henry	Henry	NNP
39142	1034	63	Draper	Draper	NNP
39142	1034	64	,	,	,
39142	1034	65	produced	produce	VBD
39142	1034	66	the	the	DT
39142	1034	67	first	first	JJ
39142	1034	68	spectrum	spectrum	NN
39142	1034	69	of	of	IN
39142	1034	70	a	a	DT
39142	1034	71	star	star	NN
39142	1034	72	.	.	.
39142	1035	1	In	in	IN
39142	1035	2	1880	1880	CD
39142	1035	3	a	a	DT
39142	1035	4	nebula	nebula	NN
39142	1035	5	was	be	VBD
39142	1035	6	first	first	RB
39142	1035	7	photographed	photograph	VBN
39142	1035	8	,	,	,
39142	1035	9	and	and	CC
39142	1035	10	in	in	IN
39142	1035	11	1881	1881	CD
39142	1035	12	a	a	DT
39142	1035	13	comet	comet	NN
39142	1035	14	.	.	.
39142	1036	1	Before	before	IN
39142	1036	2	this	this	DT
39142	1036	3	time	time	NN
39142	1036	4	,	,	,
39142	1036	5	however	however	RB
39142	1036	6	,	,	,
39142	1036	7	the	the	DT
39142	1036	8	new	new	JJ
39142	1036	9	dry	dry	JJ
39142	1036	10	-	-	HYPH
39142	1036	11	plate	plate	NN
39142	1036	12	process	process	NN
39142	1036	13	had	have	VBD
39142	1036	14	been	be	VBN
39142	1036	15	developed	develop	VBN
39142	1036	16	to	to	IN
39142	1036	17	the	the	DT
39142	1036	18	point	point	NN
39142	1036	19	where	where	WRB
39142	1036	20	astronomers	astronomer	NNS
39142	1036	21	began	begin	VBD
39142	1036	22	to	to	TO
39142	1036	23	avail	avail	VB
39142	1036	24	of	of	IN
39142	1036	25	its	-PRON-	PRP$
39142	1036	26	greater	great	JJR
39142	1036	27	convenience	convenience	NN
39142	1036	28	and	and	CC
39142	1036	29	increased	increase	VBN
39142	1036	30	sensitiveness	sensitiveness	NN
39142	1036	31	,	,	,
39142	1036	32	even	even	RB
39142	1036	33	in	in	IN
39142	1036	34	spite	spite	NN
39142	1036	35	of	of	IN
39142	1036	36	the	the	DT
39142	1036	37	coarseness	coarseness	NN
39142	1036	38	of	of	IN
39142	1036	39	grain	grain	NN
39142	1036	40	of	of	IN
39142	1036	41	the	the	DT
39142	1036	42	film	film	NN
39142	1036	43	.	.	.
39142	1037	1	Forty	forty	CD
39142	1037	2	years	year	NNS
39142	1037	3	of	of	IN
39142	1037	4	dry	dry	JJ
39142	1037	5	-	-	HYPH
39142	1037	6	plate	plate	NN
39142	1037	7	service	service	NN
39142	1037	8	have	have	VBP
39142	1037	9	brought	bring	VBN
39142	1037	10	a	a	DT
39142	1037	11	wealth	wealth	NN
39142	1037	12	of	of	IN
39142	1037	13	advantages	advantage	NNS
39142	1037	14	scarcely	scarcely	RB
39142	1037	15	dreamed	dream	VBN
39142	1037	16	of	of	IN
39142	1037	17	in	in	IN
39142	1037	18	the	the	DT
39142	1037	19	beginning	beginning	NN
39142	1037	20	,	,	,
39142	1037	21	and	and	CC
39142	1037	22	nearly	nearly	RB
39142	1037	23	every	every	DT
39142	1037	24	department	department	NN
39142	1037	25	of	of	IN
39142	1037	26	astronomical	astronomical	JJ
39142	1037	27	research	research	NN
39142	1037	28	has	have	VBZ
39142	1037	29	been	be	VBN
39142	1037	30	enhanced	enhance	VBN
39142	1037	31	thereby	thereby	RB
39142	1037	32	,	,	,
39142	1037	33	while	while	IN
39142	1037	34	many	many	JJ
39142	1037	35	entirely	entirely	RB
39142	1037	36	new	new	JJ
39142	1037	37	photographic	photographic	JJ
39142	1037	38	methods	method	NNS
39142	1037	39	of	of	IN
39142	1037	40	investigation	investigation	NN
39142	1037	41	have	have	VBP
39142	1037	42	been	be	VBN
39142	1037	43	worked	work	VBN
39142	1037	44	out	out	RP
39142	1037	45	.	.	.
39142	1038	1	Continued	continue	VBN
39142	1038	2	improvement	improvement	NN
39142	1038	3	in	in	IN
39142	1038	4	photographic	photographic	JJ
39142	1038	5	processes	process	NNS
39142	1038	6	has	have	VBZ
39142	1038	7	provided	provide	VBN
39142	1038	8	the	the	DT
39142	1038	9	possibility	possibility	NN
39142	1038	10	of	of	IN
39142	1038	11	pictures	picture	NNS
39142	1038	12	of	of	IN
39142	1038	13	fainter	fainter	NN
39142	1038	14	and	and	CC
39142	1038	15	fainter	fainter	NN
39142	1038	16	celestial	celestial	JJ
39142	1038	17	objects	object	NNS
39142	1038	18	,	,	,
39142	1038	19	and	and	CC
39142	1038	20	all	all	PDT
39142	1038	21	the	the	DT
39142	1038	22	larger	large	JJR
39142	1038	23	telescopes	telescope	NNS
39142	1038	24	have	have	VBP
39142	1038	25	photographed	photograph	VBN
39142	1038	26	stars	star	NNS
39142	1038	27	and	and	CC
39142	1038	28	nebulæ	nebulæ	NN
39142	1038	29	of	of	IN
39142	1038	30	such	such	PDT
39142	1038	31	exceeding	exceed	VBG
39142	1038	32	faintness	faintness	NN
39142	1038	33	that	that	IN
39142	1038	34	the	the	DT
39142	1038	35	human	human	JJ
39142	1038	36	eye	eye	NN
39142	1038	37	,	,	,
39142	1038	38	even	even	RB
39142	1038	39	if	if	IN
39142	1038	40	applied	apply	VBD
39142	1038	41	to	to	IN
39142	1038	42	the	the	DT
39142	1038	43	same	same	JJ
39142	1038	44	instrument	instrument	NN
39142	1038	45	,	,	,
39142	1038	46	would	would	MD
39142	1038	47	never	never	RB
39142	1038	48	be	be	VB
39142	1038	49	able	able	JJ
39142	1038	50	to	to	TO
39142	1038	51	see	see	VB
39142	1038	52	them	-PRON-	PRP
39142	1038	53	.	.	.
39142	1039	1	This	this	DT
39142	1039	2	is	be	VBZ
39142	1039	3	because	because	IN
39142	1039	4	the	the	DT
39142	1039	5	eye	eye	NN
39142	1039	6	,	,	,
39142	1039	7	in	in	IN
39142	1039	8	ten	ten	CD
39142	1039	9	or	or	CC
39142	1039	10	twelve	twelve	CD
39142	1039	11	seconds	second	NNS
39142	1039	12	of	of	IN
39142	1039	13	keen	keen	JJ
39142	1039	14	watching	watching	NN
39142	1039	15	,	,	,
39142	1039	16	becomes	become	VBZ
39142	1039	17	fatigued	fatigued	JJ
39142	1039	18	and	and	CC
39142	1039	19	must	must	MD
39142	1039	20	be	be	VB
39142	1039	21	rested	rest	VBN
39142	1039	22	,	,	,
39142	1039	23	whereas	whereas	IN
39142	1039	24	the	the	DT
39142	1039	25	action	action	NN
39142	1039	26	of	of	IN
39142	1039	27	very	very	RB
39142	1039	28	faint	faint	JJ
39142	1039	29	light	light	NN
39142	1039	30	rays	ray	NNS
39142	1039	31	is	be	VBZ
39142	1039	32	cumulative	cumulative	JJ
39142	1039	33	on	on	IN
39142	1039	34	the	the	DT
39142	1039	35	highly	highly	RB
39142	1039	36	sensitive	sensitive	JJ
39142	1039	37	film	film	NN
39142	1039	38	;	;	:
39142	1039	39	so	so	IN
39142	1039	40	that	that	IN
39142	1039	41	a	a	DT
39142	1039	42	continuous	continuous	JJ
39142	1039	43	exposure	exposure	NN
39142	1039	44	of	of	IN
39142	1039	45	many	many	JJ
39142	1039	46	hours	hour	NNS
39142	1039	47	'	'	POS
39142	1039	48	duration	duration	NN
39142	1039	49	becomes	become	VBZ
39142	1039	50	readily	readily	RB
39142	1039	51	visible	visible	JJ
39142	1039	52	to	to	IN
39142	1039	53	the	the	DT
39142	1039	54	eye	eye	NN
39142	1039	55	on	on	IN
39142	1039	56	development	development	NN
39142	1039	57	.	.	.
39142	1040	1	So	so	RB
39142	1040	2	a	a	DT
39142	1040	3	supersensitive	supersensitive	JJ
39142	1040	4	dry	dry	JJ
39142	1040	5	plate	plate	NN
39142	1040	6	will	will	MD
39142	1040	7	often	often	RB
39142	1040	8	record	record	VB
39142	1040	9	many	many	JJ
39142	1040	10	thousand	thousand	CD
39142	1040	11	stars	star	NNS
39142	1040	12	in	in	IN
39142	1040	13	a	a	DT
39142	1040	14	region	region	NN
39142	1040	15	where	where	WRB
39142	1040	16	the	the	DT
39142	1040	17	naked	naked	JJ
39142	1040	18	eye	eye	NN
39142	1040	19	can	can	MD
39142	1040	20	see	see	VB
39142	1040	21	but	but	CC
39142	1040	22	one	one	CD
39142	1040	23	.	.	.
39142	1041	1	Perhaps	perhaps	RB
39142	1041	2	the	the	DT
39142	1041	3	greatest	great	JJS
39142	1041	4	amplification	amplification	NN
39142	1041	5	of	of	IN
39142	1041	6	photography	photography	NN
39142	1041	7	has	have	VBZ
39142	1041	8	taken	take	VBN
39142	1041	9	place	place	NN
39142	1041	10	at	at	IN
39142	1041	11	the	the	DT
39142	1041	12	Harvard	Harvard	NNP
39142	1041	13	Observatory	Observatory	NNP
39142	1041	14	under	under	IN
39142	1041	15	Pickering	Pickering	NNP
39142	1041	16	,	,	,
39142	1041	17	where	where	WRB
39142	1041	18	a	a	DT
39142	1041	19	library	library	NN
39142	1041	20	of	of	IN
39142	1041	21	many	many	JJ
39142	1041	22	hundred	hundred	CD
39142	1041	23	thousand	thousand	CD
39142	1041	24	plates	plate	NNS
39142	1041	25	has	have	VBZ
39142	1041	26	accumulated	accumulate	VBN
39142	1041	27	;	;	:
39142	1041	28	and	and	CC
39142	1041	29	at	at	IN
39142	1041	30	Groningen	Groningen	NNP
39142	1041	31	,	,	,
39142	1041	32	Holland	Holland	NNP
39142	1041	33	,	,	,
39142	1041	34	where	where	WRB
39142	1041	35	Kapteyn	Kapteyn	NNP
39142	1041	36	has	have	VBZ
39142	1041	37	established	establish	VBN
39142	1041	38	an	an	DT
39142	1041	39	astronomical	astronomical	JJ
39142	1041	40	laboratory	laboratory	NN
39142	1041	41	without	without	IN
39142	1041	42	instruments	instrument	NNS
39142	1041	43	except	except	IN
39142	1041	44	such	such	JJ
39142	1041	45	as	as	IN
39142	1041	46	are	be	VBP
39142	1041	47	necessary	necessary	JJ
39142	1041	48	to	to	TO
39142	1041	49	measure	measure	VB
39142	1041	50	photographic	photographic	JJ
39142	1041	51	plates	plate	NNS
39142	1041	52	,	,	,
39142	1041	53	whenever	whenever	WRB
39142	1041	54	and	and	CC
39142	1041	55	wherever	wherever	WRB
39142	1041	56	taken	take	VBN
39142	1041	57	.	.	.
39142	1042	1	So	so	CC
39142	1042	2	it	-PRON-	PRP
39142	1042	3	is	be	VBZ
39142	1042	4	possible	possible	JJ
39142	1042	5	to	to	TO
39142	1042	6	select	select	VB
39142	1042	7	the	the	DT
39142	1042	8	clearest	clear	JJS
39142	1042	9	of	of	IN
39142	1042	10	skies	sky	NNS
39142	1042	11	,	,	,
39142	1042	12	all	all	RB
39142	1042	13	over	over	IN
39142	1042	14	the	the	DT
39142	1042	15	world	world	NN
39142	1042	16	,	,	,
39142	1042	17	for	for	IN
39142	1042	18	exposure	exposure	NN
39142	1042	19	of	of	IN
39142	1042	20	the	the	DT
39142	1042	21	plates	plate	NNS
39142	1042	22	,	,	,
39142	1042	23	and	and	CC
39142	1042	24	bring	bring	VB
39142	1042	25	back	back	RB
39142	1042	26	the	the	DT
39142	1042	27	photographs	photograph	NNS
39142	1042	28	for	for	IN
39142	1042	29	expert	expert	JJ
39142	1042	30	discussion	discussion	NN
39142	1042	31	.	.	.
39142	1043	1	Of	of	RB
39142	1043	2	course	course	RB
39142	1043	3	the	the	DT
39142	1043	4	sun	sun	NN
39142	1043	5	was	be	VBD
39142	1043	6	the	the	DT
39142	1043	7	celestial	celestial	JJ
39142	1043	8	body	body	NN
39142	1043	9	first	first	RB
39142	1043	10	photographed	photograph	VBD
39142	1043	11	,	,	,
39142	1043	12	and	and	CC
39142	1043	13	its	-PRON-	PRP$
39142	1043	14	surpassing	surpass	VBG
39142	1043	15	brilliance	brilliance	NN
39142	1043	16	necessitates	necessitate	VBZ
39142	1043	17	reduction	reduction	NN
39142	1043	18	of	of	IN
39142	1043	19	exposure	exposure	NN
39142	1043	20	to	to	IN
39142	1043	21	a	a	DT
39142	1043	22	minimum	minimum	NN
39142	1043	23	.	.	.
39142	1044	1	In	in	IN
39142	1044	2	moments	moment	NNS
39142	1044	3	of	of	IN
39142	1044	4	exceptional	exceptional	JJ
39142	1044	5	steadiness	steadiness	NN
39142	1044	6	of	of	IN
39142	1044	7	the	the	DT
39142	1044	8	atmosphere	atmosphere	NN
39142	1044	9	,	,	,
39142	1044	10	a	a	DT
39142	1044	11	very	very	RB
39142	1044	12	high	high	JJ
39142	1044	13	degree	degree	NN
39142	1044	14	of	of	IN
39142	1044	15	magnification	magnification	NN
39142	1044	16	of	of	IN
39142	1044	17	the	the	DT
39142	1044	18	solar	solar	JJ
39142	1044	19	surface	surface	NN
39142	1044	20	on	on	IN
39142	1044	21	the	the	DT
39142	1044	22	photographic	photographic	JJ
39142	1044	23	plate	plate	NN
39142	1044	24	is	be	VBZ
39142	1044	25	permitted	permit	VBN
39142	1044	26	,	,	,
39142	1044	27	and	and	CC
39142	1044	28	the	the	DT
39142	1044	29	details	detail	NNS
39142	1044	30	in	in	IN
39142	1044	31	formation	formation	NN
39142	1044	32	,	,	,
39142	1044	33	development	development	NN
39142	1044	34	,	,	,
39142	1044	35	and	and	CC
39142	1044	36	ending	ending	NN
39142	1044	37	of	of	IN
39142	1044	38	sun	sun	NN
39142	1044	39	spots	spot	NNS
39142	1044	40	are	be	VBP
39142	1044	41	faithfully	faithfully	RB
39142	1044	42	registered	register	VBN
39142	1044	43	.	.	.
39142	1045	1	Nevertheless	nevertheless	RB
39142	1045	2	,	,	,
39142	1045	3	it	-PRON-	PRP
39142	1045	4	can	can	MD
39142	1045	5	not	not	RB
39142	1045	6	be	be	VB
39142	1045	7	said	say	VBN
39142	1045	8	that	that	IN
39142	1045	9	photography	photography	NN
39142	1045	10	has	have	VBZ
39142	1045	11	yet	yet	RB
39142	1045	12	entirely	entirely	RB
39142	1045	13	replaced	replace	VBN
39142	1045	14	the	the	DT
39142	1045	15	eye	eye	NN
39142	1045	16	in	in	IN
39142	1045	17	this	this	DT
39142	1045	18	work	work	NN
39142	1045	19	,	,	,
39142	1045	20	and	and	CC
39142	1045	21	careful	careful	JJ
39142	1045	22	drawings	drawing	NNS
39142	1045	23	of	of	IN
39142	1045	24	sun	sun	NN
39142	1045	25	spots	spot	NNS
39142	1045	26	at	at	IN
39142	1045	27	critical	critical	JJ
39142	1045	28	stages	stage	NNS
39142	1045	29	in	in	IN
39142	1045	30	their	-PRON-	PRP$
39142	1045	31	life	life	NN
39142	1045	32	are	be	VBP
39142	1045	33	capable	capable	JJ
39142	1045	34	of	of	IN
39142	1045	35	registering	register	VBG
39142	1045	36	fine	fine	JJ
39142	1045	37	detail	detail	NN
39142	1045	38	which	which	WDT
39142	1045	39	the	the	DT
39142	1045	40	plate	plate	NN
39142	1045	41	has	have	VBZ
39142	1045	42	so	so	RB
39142	1045	43	far	far	RB
39142	1045	44	been	be	VBN
39142	1045	45	unable	unable	JJ
39142	1045	46	to	to	TO
39142	1045	47	record	record	VB
39142	1045	48	.	.	.
39142	1046	1	Janssen	Janssen	NNP
39142	1046	2	of	of	IN
39142	1046	3	Paris	Paris	NNP
39142	1046	4	took	take	VBD
39142	1046	5	photographs	photograph	NNS
39142	1046	6	of	of	IN
39142	1046	7	the	the	DT
39142	1046	8	solar	solar	JJ
39142	1046	9	photosphere	photosphere	NN
39142	1046	10	so	so	RB
39142	1046	11	highly	highly	RB
39142	1046	12	magnified	magnify	VBD
39142	1046	13	that	that	IN
39142	1046	14	the	the	DT
39142	1046	15	granulation	granulation	NN
39142	1046	16	or	or	CC
39142	1046	17	willow	willow	NN
39142	1046	18	-	-	HYPH
39142	1046	19	leaf	leaf	NN
39142	1046	20	structure	structure	NN
39142	1046	21	of	of	IN
39142	1046	22	the	the	DT
39142	1046	23	surface	surface	NN
39142	1046	24	was	be	VBD
39142	1046	25	clearly	clearly	RB
39142	1046	26	visible	visible	JJ
39142	1046	27	,	,	,
39142	1046	28	and	and	CC
39142	1046	29	its	-PRON-	PRP$
39142	1046	30	variations	variation	NNS
39142	1046	31	traceable	traceable	JJ
39142	1046	32	from	from	IN
39142	1046	33	hour	hour	NN
39142	1046	34	to	to	IN
39142	1046	35	hour	hour	NN
39142	1046	36	.	.	.
39142	1047	1	The	the	DT
39142	1047	2	advantages	advantage	NNS
39142	1047	3	of	of	IN
39142	1047	4	sun	sun	NN
39142	1047	5	spot	spot	NN
39142	1047	6	photography	photography	NN
39142	1047	7	in	in	IN
39142	1047	8	ascertaining	ascertain	VBG
39142	1047	9	the	the	DT
39142	1047	10	sun	sun	NN
39142	1047	11	's	's	POS
39142	1047	12	rotation	rotation	NN
39142	1047	13	,	,	,
39142	1047	14	keeping	keep	VBG
39142	1047	15	count	count	NN
39142	1047	16	of	of	IN
39142	1047	17	the	the	DT
39142	1047	18	spots	spot	NNS
39142	1047	19	,	,	,
39142	1047	20	and	and	CC
39142	1047	21	in	in	IN
39142	1047	22	a	a	DT
39142	1047	23	permanent	permanent	JJ
39142	1047	24	record	record	NN
39142	1047	25	for	for	IN
39142	1047	26	measurement	measurement	NN
39142	1047	27	of	of	IN
39142	1047	28	position	position	NN
39142	1047	29	of	of	IN
39142	1047	30	the	the	DT
39142	1047	31	sun	sun	NN
39142	1047	32	's	's	POS
39142	1047	33	axis	axis	NN
39142	1047	34	and	and	CC
39142	1047	35	the	the	DT
39142	1047	36	spot	spot	NN
39142	1047	37	zones	zone	NNS
39142	1047	38	,	,	,
39142	1047	39	are	be	VBP
39142	1047	40	obvious	obvious	JJ
39142	1047	41	.	.	.
39142	1048	1	In	in	IN
39142	1048	2	direct	direct	JJ
39142	1048	3	portrayal	portrayal	NN
39142	1048	4	of	of	IN
39142	1048	5	the	the	DT
39142	1048	6	sun	sun	NN
39142	1048	7	's	's	POS
39142	1048	8	corona	corona	NN
39142	1048	9	during	during	IN
39142	1048	10	total	total	JJ
39142	1048	11	eclipses	eclipse	NNS
39142	1048	12	,	,	,
39142	1048	13	photography	photography	NN
39142	1048	14	has	have	VBZ
39142	1048	15	offered	offer	VBN
39142	1048	16	superior	superior	JJ
39142	1048	17	advantages	advantage	NNS
39142	1048	18	over	over	IN
39142	1048	19	visual	visual	JJ
39142	1048	20	sketching	sketching	NN
39142	1048	21	,	,	,
39142	1048	22	in	in	IN
39142	1048	23	the	the	DT
39142	1048	24	form	form	NN
39142	1048	25	and	and	CC
39142	1048	26	exact	exact	JJ
39142	1048	27	location	location	NN
39142	1048	28	of	of	IN
39142	1048	29	the	the	DT
39142	1048	30	coronal	coronal	JJ
39142	1048	31	streamers	streamer	NNS
39142	1048	32	;	;	:
39142	1048	33	but	but	CC
39142	1048	34	the	the	DT
39142	1048	35	extraordinary	extraordinary	JJ
39142	1048	36	differences	difference	NNS
39142	1048	37	of	of	IN
39142	1048	38	intensity	intensity	NN
39142	1048	39	between	between	IN
39142	1048	40	the	the	DT
39142	1048	41	inner	inner	JJ
39142	1048	42	corona	corona	NN
39142	1048	43	and	and	CC
39142	1048	44	its	-PRON-	PRP$
39142	1048	45	outlying	outlying	JJ
39142	1048	46	extensions	extension	NNS
39142	1048	47	are	be	VBP
39142	1048	48	such	such	JJ
39142	1048	49	that	that	IN
39142	1048	50	halation	halation	NN
39142	1048	51	renders	render	VBZ
39142	1048	52	a	a	DT
39142	1048	53	complete	complete	JJ
39142	1048	54	picture	picture	NN
39142	1048	55	on	on	IN
39142	1048	56	a	a	DT
39142	1048	57	single	single	JJ
39142	1048	58	plate	plate	NN
39142	1048	59	practically	practically	RB
39142	1048	60	impossible	impossible	JJ
39142	1048	61	.	.	.
39142	1049	1	The	the	DT
39142	1049	2	filamentous	filamentous	JJ
39142	1049	3	detail	detail	NN
39142	1049	4	of	of	IN
39142	1049	5	the	the	DT
39142	1049	6	inner	inner	JJ
39142	1049	7	corona	corona	NN
39142	1049	8	,	,	,
39142	1049	9	and	and	CC
39142	1049	10	the	the	DT
39142	1049	11	faintest	faint	JJS
39142	1049	12	outlying	outlying	JJ
39142	1049	13	extensions	extension	NNS
39142	1049	14	or	or	CC
39142	1049	15	streamers	streamer	NNS
39142	1049	16	,	,	,
39142	1049	17	the	the	DT
39142	1049	18	eye	eye	NN
39142	1049	19	must	must	MD
39142	1049	20	still	still	RB
39142	1049	21	reveal	reveal	VB
39142	1049	22	directly	directly	RB
39142	1049	23	.	.	.
39142	1050	1	In	in	IN
39142	1050	2	solar	solar	JJ
39142	1050	3	spectrum	spectrum	NN
39142	1050	4	photography	photography	NN
39142	1050	5	,	,	,
39142	1050	6	research	research	NN
39142	1050	7	has	have	VBZ
39142	1050	8	been	be	VBN
39142	1050	9	especially	especially	RB
39142	1050	10	benefited	benefit	VBN
39142	1050	11	;	;	:
39142	1050	12	indeed	indeed	RB
39142	1050	13	,	,	,
39142	1050	14	exact	exact	JJ
39142	1050	15	registry	registry	NN
39142	1050	16	of	of	IN
39142	1050	17	the	the	DT
39142	1050	18	multitudinous	multitudinous	JJ
39142	1050	19	lines	line	NNS
39142	1050	20	was	be	VBD
39142	1050	21	quite	quite	RB
39142	1050	22	impossible	impossible	JJ
39142	1050	23	without	without	IN
39142	1050	24	it	-PRON-	PRP
39142	1050	25	.	.	.
39142	1051	1	Photographic	photographic	JJ
39142	1051	2	maps	map	NNS
39142	1051	3	of	of	IN
39142	1051	4	the	the	DT
39142	1051	5	spectrum	spectrum	NN
39142	1051	6	by	by	IN
39142	1051	7	Thollon	Thollon	NNP
39142	1051	8	,	,	,
39142	1051	9	McClean	McClean	NNP
39142	1051	10	and	and	CC
39142	1051	11	Rowland	Rowland	NNP
39142	1051	12	are	be	VBP
39142	1051	13	so	so	RB
39142	1051	14	complete	complete	JJ
39142	1051	15	and	and	CC
39142	1051	16	accurate	accurate	JJ
39142	1051	17	that	that	IN
39142	1051	18	no	no	DT
39142	1051	19	visual	visual	JJ
39142	1051	20	charts	chart	NNS
39142	1051	21	can	can	MD
39142	1051	22	approach	approach	VB
39142	1051	23	them	-PRON-	PRP
39142	1051	24	.	.	.
39142	1052	1	Rowland	Rowland	NNP
39142	1052	2	's	's	POS
39142	1052	3	great	great	JJ
39142	1052	4	photographic	photographic	JJ
39142	1052	5	map	map	NN
39142	1052	6	of	of	IN
39142	1052	7	the	the	DT
39142	1052	8	solar	solar	JJ
39142	1052	9	spectrum	spectrum	NN
39142	1052	10	spread	spread	VBD
39142	1052	11	out	out	RP
39142	1052	12	into	into	IN
39142	1052	13	a	a	DT
39142	1052	14	band	band	NN
39142	1052	15	about	about	IN
39142	1052	16	forty	forty	CD
39142	1052	17	feet	foot	NNS
39142	1052	18	in	in	IN
39142	1052	19	length	length	NN
39142	1052	20	;	;	:
39142	1052	21	and	and	CC
39142	1052	22	in	in	IN
39142	1052	23	the	the	DT
39142	1052	24	infra	infra	NN
39142	1052	25	-	-	HYPH
39142	1052	26	red	red	NNP
39142	1052	27	,	,	,
39142	1052	28	Langley	Langley	NNP
39142	1052	29	's	's	POS
39142	1052	30	spectrobolometer	spectrobolometer	NN
39142	1052	31	extended	extend	VBD
39142	1052	32	the	the	DT
39142	1052	33	invisible	invisible	JJ
39142	1052	34	heat	heat	NN
39142	1052	35	spectrum	spectrum	NN
39142	1052	36	photographically	photographically	RB
39142	1052	37	to	to	IN
39142	1052	38	many	many	JJ
39142	1052	39	times	time	NNS
39142	1052	40	that	that	DT
39142	1052	41	length	length	NN
39142	1052	42	.	.	.
39142	1053	1	At	at	IN
39142	1053	2	the	the	DT
39142	1053	3	other	other	JJ
39142	1053	4	end	end	NN
39142	1053	5	of	of	IN
39142	1053	6	the	the	DT
39142	1053	7	spectrum	spectrum	NN
39142	1053	8	,	,	,
39142	1053	9	special	special	JJ
39142	1053	10	photographic	photographic	JJ
39142	1053	11	processes	process	NNS
39142	1053	12	have	have	VBP
39142	1053	13	extended	extend	VBN
39142	1053	14	the	the	DT
39142	1053	15	ultra	ultra	JJ
39142	1053	16	-	-	JJ
39142	1053	17	violet	violet	JJ
39142	1053	18	spectrum	spectrum	NN
39142	1053	19	far	far	RB
39142	1053	20	beyond	beyond	IN
39142	1053	21	the	the	DT
39142	1053	22	ocular	ocular	JJ
39142	1053	23	limit	limit	NN
39142	1053	24	,	,	,
39142	1053	25	to	to	IN
39142	1053	26	a	a	DT
39142	1053	27	point	point	NN
39142	1053	28	where	where	WRB
39142	1053	29	it	-PRON-	PRP
39142	1053	30	is	be	VBZ
39142	1053	31	abruptly	abruptly	RB
39142	1053	32	cut	cut	VBN
39142	1053	33	off	off	RP
39142	1053	34	by	by	IN
39142	1053	35	absorption	absorption	NN
39142	1053	36	of	of	IN
39142	1053	37	the	the	DT
39142	1053	38	earth	earth	NN
39142	1053	39	's	's	POS
39142	1053	40	atmosphere	atmosphere	NN
39142	1053	41	.	.	.
39142	1054	1	On	on	IN
39142	1054	2	the	the	DT
39142	1054	3	same	same	JJ
39142	1054	4	plate	plate	NN
39142	1054	5	with	with	IN
39142	1054	6	certain	certain	JJ
39142	1054	7	regions	region	NNS
39142	1054	8	of	of	IN
39142	1054	9	the	the	DT
39142	1054	10	sun	sun	NN
39142	1054	11	's	's	POS
39142	1054	12	spectrum	spectrum	NN
39142	1054	13	,	,	,
39142	1054	14	the	the	DT
39142	1054	15	spectra	spectra	NN
39142	1054	16	of	of	IN
39142	1054	17	terrestrial	terrestrial	JJ
39142	1054	18	metals	metal	NNS
39142	1054	19	are	be	VBP
39142	1054	20	photographed	photograph	VBN
39142	1054	21	side	side	NN
39142	1054	22	by	by	IN
39142	1054	23	side	side	NN
39142	1054	24	,	,	,
39142	1054	25	and	and	CC
39142	1054	26	exact	exact	JJ
39142	1054	27	coincidences	coincidence	NNS
39142	1054	28	of	of	IN
39142	1054	29	lines	line	NNS
39142	1054	30	show	show	VBP
39142	1054	31	that	that	IN
39142	1054	32	about	about	RB
39142	1054	33	forty	forty	CD
39142	1054	34	elemental	elemental	JJ
39142	1054	35	substances	substance	NNS
39142	1054	36	known	know	VBN
39142	1054	37	to	to	IN
39142	1054	38	terrestrial	terrestrial	JJ
39142	1054	39	chemistry	chemistry	NN
39142	1054	40	are	be	VBP
39142	1054	41	vaporized	vaporize	VBN
39142	1054	42	in	in	IN
39142	1054	43	the	the	DT
39142	1054	44	sun	sun	NN
39142	1054	45	.	.	.
39142	1055	1	[	[	-LRB-
39142	1055	2	Illustration	illustration	NN
39142	1055	3	:	:	:
39142	1055	4	A	a	DT
39142	1055	5	VIEW	view	NN
39142	1055	6	OF	of	IN
39142	1055	7	THE	the	DT
39142	1055	8	100-FOOT	100-foot	CD
39142	1055	9	DOME	dome	NN
39142	1055	10	IN	in	IN
39142	1055	11	WHICH	which	WDT
39142	1055	12	THE	the	DT
39142	1055	13	LARGEST	largest	NN
39142	1055	14	TELESCOPE	telescope	NN
39142	1055	15	IN	in	IN
39142	1055	16	THE	the	DT
39142	1055	17	WORLD	world	NN
39142	1055	18	IS	be	VBZ
39142	1055	19	HOUSED	HOUSED	NNP
39142	1055	20	.	.	.
39142	1056	1	(	(	-LRB-
39142	1056	2	_	_	NNP
39142	1056	3	Courtesy	Courtesy	NNP
39142	1056	4	,	,	,
39142	1056	5	Mt.	Mount	NNP
39142	1057	1	Wilson	Wilson	NNP
39142	1057	2	Solar	Solar	NNP
39142	1057	3	Observatory	Observatory	NNP
39142	1057	4	.	.	.
39142	1057	5	_	_	NNP
39142	1057	6	)	)	-RRB-
39142	1057	7	]	]	-RRB-
39142	1057	8	[	[	-LRB-
39142	1057	9	Illustration	illustration	NN
39142	1057	10	:	:	:
39142	1057	11	MOUNT	MOUNT	NNP
39142	1057	12	CHIMBORAZO	CHIMBORAZO	NNS
39142	1057	13	,	,	,
39142	1057	14	NEAR	NEAR	NNP
39142	1057	15	THE	the	DT
39142	1057	16	EQUATOR	EQUATOR	NNP
39142	1057	17	.	.	.
39142	1058	1	An	an	DT
39142	1058	2	observatory	observatory	NN
39142	1058	3	located	locate	VBN
39142	1058	4	on	on	IN
39142	1058	5	this	this	DT
39142	1058	6	mountain	mountain	NN
39142	1058	7	would	would	MD
39142	1058	8	make	make	VB
39142	1058	9	it	-PRON-	PRP
39142	1058	10	possible	possible	JJ
39142	1058	11	to	to	TO
39142	1058	12	study	study	VB
39142	1058	13	the	the	DT
39142	1058	14	phenomena	phenomenon	NNS
39142	1058	15	of	of	IN
39142	1058	16	northern	northern	JJ
39142	1058	17	and	and	CC
39142	1058	18	southern	southern	JJ
39142	1058	19	skies	sky	NNS
39142	1058	20	from	from	IN
39142	1058	21	the	the	DT
39142	1058	22	same	same	JJ
39142	1058	23	point	point	NN
39142	1058	24	.	.	.
39142	1059	1	(	(	-LRB-
39142	1059	2	_	_	NNP
39142	1059	3	Courtesy	Courtesy	NNP
39142	1059	4	,	,	,
39142	1059	5	Pan	Pan	NNP
39142	1059	6	-	-	NNP
39142	1059	7	American	American	NNP
39142	1059	8	Union	Union	NNP
39142	1059	9	.	.	.
39142	1059	10	_	_	NNP
39142	1059	11	)	)	-RRB-
39142	1059	12	]	]	-RRB-
39142	1059	13	[	[	-LRB-
39142	1059	14	Illustration	illustration	NN
39142	1059	15	:	:	:
39142	1059	16	LICK	LICK	NNP
39142	1059	17	OBSERVATORY	OBSERVATORY	NNP
39142	1059	18	,	,	,
39142	1059	19	ON	on	IN
39142	1059	20	THE	the	DT
39142	1059	21	SUMMIT	SUMMIT	NNP
39142	1059	22	OF	of	IN
39142	1059	23	MT	MT	NNP
39142	1059	24	.	.	.
39142	1060	1	HAMILTON	HAMILTON	NNP
39142	1060	2	,	,	,
39142	1060	3	ABOUT	about	IN
39142	1060	4	TWENTY	TWENTY	NNP
39142	1060	5	-	-	HYPH
39142	1060	6	FIVE	five	CD
39142	1060	7	MILES	MILES	NNP
39142	1060	8	S.	S.	NNP
39142	1060	9	W.	w.	NN
39142	1060	10	OF	of	IN
39142	1060	11	SAN	SAN	NNP
39142	1060	12	JOSE	JOSE	NNP
39142	1060	13	,	,	,
39142	1060	14	CALIFORNIA	CALIFORNIA	NNP
39142	1060	15	.	.	.
39142	1061	1	It	-PRON-	PRP
39142	1061	2	contains	contain	VBZ
39142	1061	3	the	the	DT
39142	1061	4	famous	famous	JJ
39142	1061	5	Lick	Lick	NNP
39142	1061	6	telescope	telescope	NN
39142	1061	7	,	,	,
39142	1061	8	a	a	DT
39142	1061	9	36-inch	36-inch	CD
39142	1061	10	refractor	refractor	NN
39142	1061	11	.	.	.
39142	1061	12	]	]	-RRB-
39142	1062	1	[	[	-LRB-
39142	1062	2	Illustration	illustration	NN
39142	1062	3	:	:	:
39142	1062	4	NEAR	near	JJ
39142	1062	5	VIEW	view	NN
39142	1062	6	OF	of	IN
39142	1062	7	THE	the	DT
39142	1062	8	EYE	EYE	NNP
39142	1062	9	-	-	HYPH
39142	1062	10	END	END	NNP
39142	1062	11	OF	of	IN
39142	1062	12	THE	the	DT
39142	1062	13	YERKES	YERKES	NNP
39142	1062	14	TELESCOPE	telescope	NN
39142	1062	15	.	.	.
39142	1063	1	The	the	DT
39142	1063	2	eyepiece	eyepiece	NN
39142	1063	3	is	be	VBZ
39142	1063	4	removed	remove	VBN
39142	1063	5	and	and	CC
39142	1063	6	its	-PRON-	PRP$
39142	1063	7	place	place	NN
39142	1063	8	taken	take	VBN
39142	1063	9	by	by	IN
39142	1063	10	a	a	DT
39142	1063	11	photographic	photographic	JJ
39142	1063	12	plate	plate	NN
39142	1063	13	.	.	.
39142	1063	14	]	]	-RRB-
39142	1064	1	Young	Young	NNP
39142	1064	2	was	be	VBD
39142	1064	3	the	the	DT
39142	1064	4	first	first	JJ
39142	1064	5	to	to	TO
39142	1064	6	photograph	photograph	VB
39142	1064	7	a	a	DT
39142	1064	8	solar	solar	JJ
39142	1064	9	prominence	prominence	NN
39142	1064	10	in	in	IN
39142	1064	11	1870	1870	CD
39142	1064	12	,	,	,
39142	1064	13	and	and	CC
39142	1064	14	twenty	twenty	CD
39142	1064	15	years	year	NNS
39142	1064	16	later	later	RB
39142	1064	17	Deslandres	deslandre	NNS
39142	1064	18	of	of	IN
39142	1064	19	Paris	Paris	NNP
39142	1064	20	and	and	CC
39142	1064	21	Hale	Hale	NNP
39142	1064	22	of	of	IN
39142	1064	23	Chicago	Chicago	NNP
39142	1064	24	independently	independently	RB
39142	1064	25	invented	invent	VBD
39142	1064	26	the	the	DT
39142	1064	27	spectroheliograph	spectroheliograph	NN
39142	1064	28	,	,	,
39142	1064	29	by	by	IN
39142	1064	30	which	which	WDT
39142	1064	31	the	the	DT
39142	1064	32	chromosphere	chromosphere	NN
39142	1064	33	and	and	CC
39142	1064	34	prominences	prominence	NNS
39142	1064	35	of	of	IN
39142	1064	36	the	the	DT
39142	1064	37	sun	sun	NN
39142	1064	38	,	,	,
39142	1064	39	as	as	RB
39142	1064	40	well	well	RB
39142	1064	41	as	as	IN
39142	1064	42	the	the	DT
39142	1064	43	disk	disk	NN
39142	1064	44	of	of	IN
39142	1064	45	the	the	DT
39142	1064	46	sun	sun	NN
39142	1064	47	itself	-PRON-	PRP
39142	1064	48	,	,	,
39142	1064	49	are	be	VBP
39142	1064	50	all	all	RB
39142	1064	51	photographed	photograph	VBN
39142	1064	52	by	by	IN
39142	1064	53	monochromatic	monochromatic	JJ
39142	1064	54	light	light	NN
39142	1064	55	on	on	IN
39142	1064	56	a	a	DT
39142	1064	57	single	single	JJ
39142	1064	58	plate	plate	NN
39142	1064	59	.	.	.
39142	1065	1	Hale	Hale	NNP
39142	1065	2	has	have	VBZ
39142	1065	3	developed	develop	VBN
39142	1065	4	this	this	DT
39142	1065	5	instrument	instrument	NN
39142	1065	6	almost	almost	RB
39142	1065	7	to	to	IN
39142	1065	8	the	the	DT
39142	1065	9	limit	limit	NN
39142	1065	10	,	,	,
39142	1065	11	first	first	RB
39142	1065	12	at	at	IN
39142	1065	13	the	the	DT
39142	1065	14	Yerkes	Yerkes	NNP
39142	1065	15	Observatory	Observatory	NNP
39142	1065	16	of	of	IN
39142	1065	17	the	the	DT
39142	1065	18	University	University	NNP
39142	1065	19	of	of	IN
39142	1065	20	Chicago	Chicago	NNP
39142	1065	21	,	,	,
39142	1065	22	and	and	CC
39142	1065	23	more	more	RBR
39142	1065	24	recently	recently	RB
39142	1065	25	at	at	IN
39142	1065	26	the	the	DT
39142	1065	27	Mount	Mount	NNP
39142	1065	28	Wilson	Wilson	NNP
39142	1065	29	Observatory	Observatory	NNP
39142	1065	30	of	of	IN
39142	1065	31	the	the	DT
39142	1065	32	Carnegie	Carnegie	NNP
39142	1065	33	Institution	Institution	NNP
39142	1065	34	,	,	,
39142	1065	35	where	where	WRB
39142	1065	36	spectroheliograms	spectroheliogram	NNS
39142	1065	37	of	of	IN
39142	1065	38	marvelous	marvelous	JJ
39142	1065	39	perfection	perfection	NN
39142	1065	40	are	be	VBP
39142	1065	41	daily	daily	RB
39142	1065	42	taken	take	VBN
39142	1065	43	.	.	.
39142	1066	1	It	-PRON-	PRP
39142	1066	2	was	be	VBD
39142	1066	3	with	with	IN
39142	1066	4	this	this	DT
39142	1066	5	instrument	instrument	NN
39142	1066	6	that	that	WDT
39142	1066	7	Hale	Hale	NNP
39142	1066	8	discovered	discover	VBD
39142	1066	9	the	the	DT
39142	1066	10	effect	effect	NN
39142	1066	11	of	of	IN
39142	1066	12	an	an	DT
39142	1066	13	electro	electro	JJ
39142	1066	14	-	-	HYPH
39142	1066	15	magnetic	magnetic	JJ
39142	1066	16	field	field	NN
39142	1066	17	in	in	IN
39142	1066	18	sun	sun	NN
39142	1066	19	spots	spot	NNS
39142	1066	20	which	which	WDT
39142	1066	21	has	have	VBZ
39142	1066	22	revolutionized	revolutionize	VBN
39142	1066	23	solar	solar	JJ
39142	1066	24	theories	theory	NNS
39142	1066	25	,	,	,
39142	1066	26	a	a	DT
39142	1066	27	research	research	NN
39142	1066	28	impossible	impossible	JJ
39142	1066	29	to	to	TO
39142	1066	30	conceive	conceive	VB
39142	1066	31	of	of	IN
39142	1066	32	without	without	IN
39142	1066	33	the	the	DT
39142	1066	34	aid	aid	NN
39142	1066	35	of	of	IN
39142	1066	36	photography	photography	NN
39142	1066	37	.	.	.
39142	1067	1	When	when	WRB
39142	1067	2	we	-PRON-	PRP
39142	1067	3	apply	apply	VBP
39142	1067	4	Doppler	Doppler	NNP
39142	1067	5	's	's	POS
39142	1067	6	principle	principle	NN
39142	1067	7	,	,	,
39142	1067	8	photography	photography	NN
39142	1067	9	becomes	become	VBZ
39142	1067	10	doubly	doubly	RB
39142	1067	11	advantageous	advantageous	JJ
39142	1067	12	,	,	,
39142	1067	13	whether	whether	IN
39142	1067	14	we	-PRON-	PRP
39142	1067	15	determine	determine	VBP
39142	1067	16	,	,	,
39142	1067	17	as	as	IN
39142	1067	18	Dunér	Dunér	NNP
39142	1067	19	did	do	VBD
39142	1067	20	and	and	CC
39142	1067	21	more	more	RBR
39142	1067	22	recently	recently	RB
39142	1067	23	Adams	Adams	NNP
39142	1067	24	,	,	,
39142	1067	25	the	the	DT
39142	1067	26	sun	sun	NN
39142	1067	27	's	's	POS
39142	1067	28	own	own	JJ
39142	1067	29	rotation	rotation	NN
39142	1067	30	and	and	CC
39142	1067	31	find	find	VB
39142	1067	32	it	-PRON-	PRP
39142	1067	33	to	to	TO
39142	1067	34	vary	vary	VB
39142	1067	35	in	in	IN
39142	1067	36	different	different	JJ
39142	1067	37	solar	solar	JJ
39142	1067	38	latitudes	latitude	NNS
39142	1067	39	,	,	,
39142	1067	40	the	the	DT
39142	1067	41	equator	equator	NN
39142	1067	42	going	go	VBG
39142	1067	43	fastest	fast	RBS
39142	1067	44	;	;	:
39142	1067	45	or	or	CC
39142	1067	46	apply	apply	VB
39142	1067	47	the	the	DT
39142	1067	48	method	method	NN
39142	1067	49	to	to	IN
39142	1067	50	the	the	DT
39142	1067	51	sun	sun	NN
39142	1067	52	's	's	POS
39142	1067	53	corona	corona	NN
39142	1067	54	at	at	IN
39142	1067	55	the	the	DT
39142	1067	56	east	east	NNP
39142	1067	57	and	and	CC
39142	1067	58	west	west	NNP
39142	1067	59	limbs	limb	NNS
39142	1067	60	of	of	IN
39142	1067	61	the	the	DT
39142	1067	62	sun	sun	NN
39142	1067	63	,	,	,
39142	1067	64	which	which	WDT
39142	1067	65	Deslandres	deslandre	VBZ
39142	1067	66	in	in	IN
39142	1067	67	1893	1893	CD
39142	1067	68	proved	prove	VBD
39142	1067	69	to	to	TO
39142	1067	70	be	be	VB
39142	1067	71	rotating	rotate	VBG
39142	1067	72	bodily	bodily	RB
39142	1067	73	with	with	IN
39142	1067	74	the	the	DT
39142	1067	75	sun	sun	NN
39142	1067	76	,	,	,
39142	1067	77	because	because	IN
39142	1067	78	of	of	IN
39142	1067	79	the	the	DT
39142	1067	80	measured	measure	VBN
39142	1067	81	displacement	displacement	NN
39142	1067	82	of	of	IN
39142	1067	83	spectral	spectral	JJ
39142	1067	84	lines	line	NNS
39142	1067	85	of	of	IN
39142	1067	86	the	the	DT
39142	1067	87	corona	corona	NN
39142	1067	88	in	in	IN
39142	1067	89	juxtaposition	juxtaposition	NN
39142	1067	90	on	on	IN
39142	1067	91	the	the	DT
39142	1067	92	photographic	photographic	JJ
39142	1067	93	plate	plate	NN
39142	1067	94	.	.	.
39142	1068	1	In	in	IN
39142	1068	2	the	the	DT
39142	1068	3	solar	solar	JJ
39142	1068	4	astronomy	astronomy	NN
39142	1068	5	of	of	IN
39142	1068	6	measurement	measurement	NNP
39142	1068	7	,	,	,
39142	1068	8	too	too	RB
39142	1068	9	,	,	,
39142	1068	10	photography	photography	NN
39142	1068	11	has	have	VBZ
39142	1068	12	been	be	VBN
39142	1068	13	helpfully	helpfully	RB
39142	1068	14	utilized	utilize	VBN
39142	1068	15	,	,	,
39142	1068	16	as	as	IN
39142	1068	17	in	in	IN
39142	1068	18	registering	register	VBG
39142	1068	19	the	the	DT
39142	1068	20	transits	transit	NNS
39142	1068	21	of	of	IN
39142	1068	22	Mercury	Mercury	NNP
39142	1068	23	over	over	IN
39142	1068	24	the	the	DT
39142	1068	25	sun	sun	NN
39142	1068	26	's	's	POS
39142	1068	27	disk	disk	NN
39142	1068	28	,	,	,
39142	1068	29	for	for	IN
39142	1068	30	correcting	correct	VBG
39142	1068	31	the	the	DT
39142	1068	32	tables	table	NNS
39142	1068	33	of	of	IN
39142	1068	34	the	the	DT
39142	1068	35	planet	planet	NN
39142	1068	36	's	's	POS
39142	1068	37	orbital	orbital	JJ
39142	1068	38	motion	motion	NN
39142	1068	39	;	;	:
39142	1068	40	and	and	CC
39142	1068	41	most	most	RBS
39142	1068	42	prominently	prominently	RB
39142	1068	43	in	in	IN
39142	1068	44	the	the	DT
39142	1068	45	action	action	NN
39142	1068	46	taken	take	VBN
39142	1068	47	by	by	IN
39142	1068	48	the	the	DT
39142	1068	49	principal	principal	JJ
39142	1068	50	governments	government	NNS
39142	1068	51	of	of	IN
39142	1068	52	the	the	DT
39142	1068	53	world	world	NN
39142	1068	54	in	in	IN
39142	1068	55	sending	send	VBG
39142	1068	56	out	out	RP
39142	1068	57	expeditions	expedition	NNS
39142	1068	58	to	to	TO
39142	1068	59	observe	observe	VB
39142	1068	60	the	the	DT
39142	1068	61	transits	transit	NNS
39142	1068	62	of	of	IN
39142	1068	63	Venus	Venus	NNP
39142	1068	64	in	in	IN
39142	1068	65	1874	1874	CD
39142	1068	66	and	and	CC
39142	1068	67	1882	1882	CD
39142	1068	68	,	,	,
39142	1068	69	for	for	IN
39142	1068	70	the	the	DT
39142	1068	71	purpose	purpose	NN
39142	1068	72	of	of	IN
39142	1068	73	determining	determine	VBG
39142	1068	74	the	the	DT
39142	1068	75	parallax	parallax	NN
39142	1068	76	of	of	IN
39142	1068	77	Venus	Venus	NNP
39142	1068	78	and	and	CC
39142	1068	79	so	so	RB
39142	1068	80	the	the	DT
39142	1068	81	distance	distance	NN
39142	1068	82	of	of	IN
39142	1068	83	the	the	DT
39142	1068	84	earth	earth	NN
39142	1068	85	from	from	IN
39142	1068	86	the	the	DT
39142	1068	87	sun	sun	NN
39142	1068	88	.	.	.
39142	1069	1	In	in	IN
39142	1069	2	our	-PRON-	PRP$
39142	1069	3	studies	study	NNS
39142	1069	4	of	of	IN
39142	1069	5	the	the	DT
39142	1069	6	moon	moon	NN
39142	1069	7	,	,	,
39142	1069	8	photography	photography	NN
39142	1069	9	has	have	VBZ
39142	1069	10	almost	almost	RB
39142	1069	11	completely	completely	RB
39142	1069	12	superseded	superseded	JJ
39142	1069	13	ocular	ocular	JJ
39142	1069	14	work	work	NN
39142	1069	15	during	during	IN
39142	1069	16	the	the	DT
39142	1069	17	past	past	JJ
39142	1069	18	sixty	sixty	CD
39142	1069	19	years	year	NNS
39142	1069	20	.	.	.
39142	1070	1	Rutherfurd	Rutherfurd	NNP
39142	1070	2	and	and	CC
39142	1070	3	Draper	Draper	NNP
39142	1070	4	of	of	IN
39142	1070	5	New	New	NNP
39142	1070	6	York	York	NNP
39142	1070	7	about	about	IN
39142	1070	8	1865	1865	CD
39142	1070	9	obtained	obtain	VBD
39142	1070	10	very	very	RB
39142	1070	11	excellent	excellent	JJ
39142	1070	12	lunar	lunar	JJ
39142	1070	13	photographs	photograph	NNS
39142	1070	14	with	with	IN
39142	1070	15	wet	wet	JJ
39142	1070	16	plates	plate	NNS
39142	1070	17	,	,	,
39142	1070	18	which	which	WDT
39142	1070	19	were	be	VBD
39142	1070	20	unexcelled	unexcelle	VBN
39142	1070	21	for	for	IN
39142	1070	22	nearly	nearly	RB
39142	1070	23	half	half	PDT
39142	1070	24	a	a	DT
39142	1070	25	century	century	NN
39142	1070	26	.	.	.
39142	1071	1	The	the	DT
39142	1071	2	Harvard	Harvard	NNP
39142	1071	3	,	,	,
39142	1071	4	Lick	Lick	NNP
39142	1071	5	,	,	,
39142	1071	6	and	and	CC
39142	1071	7	Paris	Paris	NNP
39142	1071	8	Observatories	Observatories	NNPS
39142	1071	9	have	have	VBP
39142	1071	10	published	publish	VBN
39142	1071	11	pretty	pretty	RB
39142	1071	12	complete	complete	JJ
39142	1071	13	photographic	photographic	JJ
39142	1071	14	atlases	atlas	NNS
39142	1071	15	of	of	IN
39142	1071	16	the	the	DT
39142	1071	17	moon	moon	NN
39142	1071	18	,	,	,
39142	1071	19	and	and	CC
39142	1071	20	the	the	DT
39142	1071	21	best	good	JJS
39142	1071	22	negatives	negative	NNS
39142	1071	23	of	of	IN
39142	1071	24	these	these	DT
39142	1071	25	series	series	NN
39142	1071	26	show	show	VBP
39142	1071	27	nearly	nearly	RB
39142	1071	28	everything	everything	NN
39142	1071	29	that	that	WDT
39142	1071	30	the	the	DT
39142	1071	31	eye	eye	NN
39142	1071	32	can	can	MD
39142	1071	33	discern	discern	VB
39142	1071	34	,	,	,
39142	1071	35	except	except	IN
39142	1071	36	under	under	IN
39142	1071	37	unusual	unusual	JJ
39142	1071	38	circumstances	circumstance	NNS
39142	1071	39	.	.	.
39142	1072	1	Later	later	RBR
39142	1072	2	lunar	lunar	JJ
39142	1072	3	photography	photography	NN
39142	1072	4	was	be	VBD
39142	1072	5	taken	take	VBN
39142	1072	6	up	up	RP
39142	1072	7	at	at	IN
39142	1072	8	the	the	DT
39142	1072	9	Yerkes	Yerkes	NNP
39142	1072	10	Observatory	Observatory	NNP
39142	1072	11	,	,	,
39142	1072	12	and	and	CC
39142	1072	13	exceptionally	exceptionally	RB
39142	1072	14	fine	fine	JJ
39142	1072	15	photographs	photograph	NNS
39142	1072	16	on	on	IN
39142	1072	17	a	a	DT
39142	1072	18	large	large	JJ
39142	1072	19	scale	scale	NN
39142	1072	20	were	be	VBD
39142	1072	21	obtained	obtain	VBN
39142	1072	22	with	with	IN
39142	1072	23	the	the	DT
39142	1072	24	40-inch	40-inch	CD
39142	1072	25	refractor	refractor	NN
39142	1072	26	,	,	,
39142	1072	27	using	use	VBG
39142	1072	28	a	a	DT
39142	1072	29	color	color	NN
39142	1072	30	screen	screen	NN
39142	1072	31	.	.	.
39142	1073	1	More	more	RBR
39142	1073	2	recently	recently	RB
39142	1073	3	the	the	DT
39142	1073	4	60-inch	60-inch	CD
39142	1073	5	and	and	CC
39142	1073	6	100-inch	100-inch	CD
39142	1073	7	mirrors	mirror	NNS
39142	1073	8	of	of	IN
39142	1073	9	the	the	DT
39142	1073	10	Mount	Mount	NNP
39142	1073	11	Wilson	Wilson	NNP
39142	1073	12	Observatory	Observatory	NNP
39142	1073	13	have	have	VBP
39142	1073	14	taken	take	VBN
39142	1073	15	a	a	DT
39142	1073	16	series	series	NN
39142	1073	17	of	of	IN
39142	1073	18	photographs	photograph	NNS
39142	1073	19	of	of	IN
39142	1073	20	the	the	DT
39142	1073	21	moon	moon	NN
39142	1073	22	far	far	RB
39142	1073	23	surpassing	surpass	VBG
39142	1073	24	everything	everything	NN
39142	1073	25	previously	previously	RB
39142	1073	26	done	do	VBN
39142	1073	27	,	,	,
39142	1073	28	as	as	IN
39142	1073	29	was	be	VBD
39142	1073	30	to	to	TO
39142	1073	31	be	be	VB
39142	1073	32	expected	expect	VBN
39142	1073	33	from	from	IN
39142	1073	34	the	the	DT
39142	1073	35	unique	unique	JJ
39142	1073	36	combination	combination	NN
39142	1073	37	of	of	IN
39142	1073	38	a	a	DT
39142	1073	39	tranquil	tranquil	JJ
39142	1073	40	mountain	mountain	NN
39142	1073	41	atmosphere	atmosphere	NN
39142	1073	42	with	with	IN
39142	1073	43	the	the	DT
39142	1073	44	extraordinary	extraordinary	JJ
39142	1073	45	optical	optical	JJ
39142	1073	46	power	power	NN
39142	1073	47	of	of	IN
39142	1073	48	the	the	DT
39142	1073	49	instruments	instrument	NNS
39142	1073	50	,	,	,
39142	1073	51	and	and	CC
39142	1073	52	a	a	DT
39142	1073	53	special	special	JJ
39142	1073	54	adaptation	adaptation	NN
39142	1073	55	of	of	IN
39142	1073	56	photographic	photographic	JJ
39142	1073	57	methods	method	NNS
39142	1073	58	.	.	.
39142	1074	1	During	during	IN
39142	1074	2	lunar	lunar	JJ
39142	1074	3	eclipses	eclipse	NNS
39142	1074	4	,	,	,
39142	1074	5	Pickering	Pickering	NNP
39142	1074	6	has	have	VBZ
39142	1074	7	made	make	VBN
39142	1074	8	a	a	DT
39142	1074	9	photographic	photographic	JJ
39142	1074	10	search	search	NN
39142	1074	11	for	for	IN
39142	1074	12	a	a	DT
39142	1074	13	possible	possible	JJ
39142	1074	14	satellite	satellite	NN
39142	1074	15	of	of	IN
39142	1074	16	the	the	DT
39142	1074	17	moon	moon	NN
39142	1074	18	,	,	,
39142	1074	19	occultations	occultation	NNS
39142	1074	20	of	of	IN
39142	1074	21	stars	star	NNS
39142	1074	22	by	by	IN
39142	1074	23	the	the	DT
39142	1074	24	moon	moon	NN
39142	1074	25	have	have	VBP
39142	1074	26	been	be	VBN
39142	1074	27	recorded	record	VBN
39142	1074	28	by	by	IN
39142	1074	29	photography	photography	NN
39142	1074	30	,	,	,
39142	1074	31	and	and	CC
39142	1074	32	Russell	Russell	NNP
39142	1074	33	of	of	IN
39142	1074	34	Princeton	Princeton	NNP
39142	1074	35	has	have	VBZ
39142	1074	36	shown	show	VBN
39142	1074	37	how	how	WRB
39142	1074	38	the	the	DT
39142	1074	39	position	position	NN
39142	1074	40	of	of	IN
39142	1074	41	the	the	DT
39142	1074	42	moon	moon	NN
39142	1074	43	among	among	IN
39142	1074	44	the	the	DT
39142	1074	45	stars	star	NNS
39142	1074	46	can	can	MD
39142	1074	47	be	be	VB
39142	1074	48	determined	determine	VBN
39142	1074	49	by	by	IN
39142	1074	50	the	the	DT
39142	1074	51	aid	aid	NN
39142	1074	52	of	of	IN
39142	1074	53	photography	photography	NN
39142	1074	54	with	with	IN
39142	1074	55	a	a	DT
39142	1074	56	high	high	JJ
39142	1074	57	order	order	NN
39142	1074	58	of	of	IN
39142	1074	59	precision	precision	NN
39142	1074	60	.	.	.
39142	1075	1	The	the	DT
39142	1075	2	story	story	NN
39142	1075	3	of	of	IN
39142	1075	4	planetary	planetary	JJ
39142	1075	5	photography	photography	NN
39142	1075	6	is	be	VBZ
39142	1075	7	on	on	IN
39142	1075	8	the	the	DT
39142	1075	9	whole	whole	JJ
39142	1075	10	disappointing	disappointing	NN
39142	1075	11	.	.	.
39142	1076	1	Much	much	JJ
39142	1076	2	has	have	VBZ
39142	1076	3	been	be	VBN
39142	1076	4	done	do	VBN
39142	1076	5	,	,	,
39142	1076	6	but	but	CC
39142	1076	7	there	there	EX
39142	1076	8	is	be	VBZ
39142	1076	9	much	much	JJ
39142	1076	10	that	that	WDT
39142	1076	11	is	be	VBZ
39142	1076	12	within	within	IN
39142	1076	13	reach	reach	NN
39142	1076	14	,	,	,
39142	1076	15	or	or	CC
39142	1076	16	ought	ought	MD
39142	1076	17	to	to	TO
39142	1076	18	be	be	VB
39142	1076	19	,	,	,
39142	1076	20	that	that	WDT
39142	1076	21	remains	remain	VBZ
39142	1076	22	undone	undone	JJ
39142	1076	23	.	.	.
39142	1077	1	From	from	IN
39142	1077	2	Mercury	Mercury	NNP
39142	1077	3	nothing	nothing	NN
39142	1077	4	ought	ought	MD
39142	1077	5	perhaps	perhaps	RB
39142	1077	6	to	to	TO
39142	1077	7	be	be	VB
39142	1077	8	expected	expect	VBN
39142	1077	9	.	.	.
39142	1078	1	On	on	IN
39142	1078	2	many	many	JJ
39142	1078	3	of	of	IN
39142	1078	4	the	the	DT
39142	1078	5	photographs	photograph	NNS
39142	1078	6	of	of	IN
39142	1078	7	the	the	DT
39142	1078	8	transit	transit	NN
39142	1078	9	of	of	IN
39142	1078	10	Venus	Venus	NNP
39142	1078	11	,	,	,
39142	1078	12	especially	especially	RB
39142	1078	13	those	those	DT
39142	1078	14	taken	take	VBN
39142	1078	15	under	under	IN
39142	1078	16	the	the	DT
39142	1078	17	writer	writer	NN
39142	1078	18	's	's	POS
39142	1078	19	direction	direction	NN
39142	1078	20	at	at	IN
39142	1078	21	the	the	DT
39142	1078	22	Lick	Lick	NNP
39142	1078	23	Observatory	Observatory	NNP
39142	1078	24	in	in	IN
39142	1078	25	1882	1882	CD
39142	1078	26	,	,	,
39142	1078	27	we	-PRON-	PRP
39142	1078	28	have	have	VBP
39142	1078	29	unmistakable	unmistakable	JJ
39142	1078	30	evidence	evidence	NN
39142	1078	31	of	of	IN
39142	1078	32	the	the	DT
39142	1078	33	planet	planet	NN
39142	1078	34	's	's	POS
39142	1078	35	atmosphere	atmosphere	NN
39142	1078	36	.	.	.
39142	1079	1	Here	here	RB
39142	1079	2	again	again	RB
39142	1079	3	the	the	DT
39142	1079	4	wet	wet	JJ
39142	1079	5	plate	plate	NN
39142	1079	6	process	process	NN
39142	1079	7	,	,	,
39142	1079	8	although	although	IN
39142	1079	9	more	more	RBR
39142	1079	10	clumsy	clumsy	JJ
39142	1079	11	,	,	,
39142	1079	12	demonstrated	demonstrate	VBD
39142	1079	13	its	-PRON-	PRP$
39142	1079	14	superiority	superiority	NN
39142	1079	15	over	over	IN
39142	1079	16	the	the	DT
39142	1079	17	dry	dry	JJ
39142	1079	18	process	process	NN
39142	1079	19	used	use	VBN
39142	1079	20	by	by	IN
39142	1079	21	other	other	JJ
39142	1079	22	expeditions	expedition	NNS
39142	1079	23	.	.	.
39142	1080	1	In	in	IN
39142	1080	2	spectroscopy	spectroscopy	NN
39142	1080	3	,	,	,
39142	1080	4	Bélopolsky	Bélopolsky	NNP
39142	1080	5	has	have	VBZ
39142	1080	6	sought	seek	VBN
39142	1080	7	to	to	TO
39142	1080	8	determine	determine	VB
39142	1080	9	the	the	DT
39142	1080	10	period	period	NN
39142	1080	11	of	of	IN
39142	1080	12	rotation	rotation	NN
39142	1080	13	of	of	IN
39142	1080	14	Venus	Venus	NNP
39142	1080	15	on	on	IN
39142	1080	16	her	-PRON-	PRP$
39142	1080	17	axis	axis	NN
39142	1080	18	.	.	.
39142	1081	1	At	at	IN
39142	1081	2	the	the	DT
39142	1081	3	Lowell	Lowell	NNP
39142	1081	4	Observatory	Observatory	NNP
39142	1081	5	,	,	,
39142	1081	6	Douglass	Douglass	NNP
39142	1081	7	succeeded	succeed	VBD
39142	1081	8	in	in	IN
39142	1081	9	photographing	photograph	VBG
39142	1081	10	the	the	DT
39142	1081	11	faint	faint	JJ
39142	1081	12	zodiacal	zodiacal	JJ
39142	1081	13	light	light	NN
39142	1081	14	,	,	,
39142	1081	15	and	and	CC
39142	1081	16	very	very	RB
39142	1081	17	successful	successful	JJ
39142	1081	18	photographs	photograph	NNS
39142	1081	19	of	of	IN
39142	1081	20	Mars	Mars	NNP
39142	1081	21	were	be	VBD
39142	1081	22	taken	take	VBN
39142	1081	23	at	at	IN
39142	1081	24	this	this	DT
39142	1081	25	institution	institution	NN
39142	1081	26	as	as	RB
39142	1081	27	early	early	RB
39142	1081	28	as	as	IN
39142	1081	29	1905	1905	CD
39142	1081	30	by	by	IN
39142	1081	31	Slipher	Slipher	NNP
39142	1081	32	.	.	.
39142	1082	1	Two	two	CD
39142	1082	2	years	year	NNS
39142	1082	3	later	later	RB
39142	1082	4	these	these	DT
39142	1082	5	were	be	VBD
39142	1082	6	much	much	RB
39142	1082	7	improved	improve	VBN
39142	1082	8	upon	upon	IN
39142	1082	9	by	by	IN
39142	1082	10	the	the	DT
39142	1082	11	writer	writer	NN
39142	1082	12	's	's	POS
39142	1082	13	expedition	expedition	NN
39142	1082	14	to	to	IN
39142	1082	15	the	the	DT
39142	1082	16	Andes	Andes	NNP
39142	1082	17	of	of	IN
39142	1082	18	Chile	Chile	NNP
39142	1082	19	,	,	,
39142	1082	20	when	when	WRB
39142	1082	21	12,000	12,000	CD
39142	1082	22	exposures	exposure	NNS
39142	1082	23	of	of	IN
39142	1082	24	Mars	Mars	NNP
39142	1082	25	were	be	VBD
39142	1082	26	made	make	VBN
39142	1082	27	,	,	,
39142	1082	28	many	many	JJ
39142	1082	29	of	of	IN
39142	1082	30	them	-PRON-	PRP
39142	1082	31	showing	show	VBG
39142	1082	32	the	the	DT
39142	1082	33	principal	principal	NN
39142	1082	34	_	_	NNP
39142	1082	35	canali	canali	NNP
39142	1082	36	_	_	NNP
39142	1082	37	,	,	,
39142	1082	38	and	and	CC
39142	1082	39	other	other	JJ
39142	1082	40	prominent	prominent	JJ
39142	1082	41	features	feature	NNS
39142	1082	42	of	of	IN
39142	1082	43	the	the	DT
39142	1082	44	planet	planet	NN
39142	1082	45	's	's	POS
39142	1082	46	disk	disk	NN
39142	1082	47	.	.	.
39142	1083	1	At	at	IN
39142	1083	2	subsequent	subsequent	JJ
39142	1083	3	oppositions	opposition	NNS
39142	1083	4	of	of	IN
39142	1083	5	the	the	DT
39142	1083	6	planet	planet	NN
39142	1083	7	,	,	,
39142	1083	8	Barnard	Barnard	NNP
39142	1083	9	at	at	IN
39142	1083	10	the	the	DT
39142	1083	11	Yerkes	Yerkes	NNP
39142	1083	12	Observatory	Observatory	NNP
39142	1083	13	and	and	CC
39142	1083	14	the	the	DT
39142	1083	15	Mount	Mount	NNP
39142	1083	16	Wilson	Wilson	NNP
39142	1083	17	observers	observer	NNS
39142	1083	18	have	have	VBP
39142	1083	19	far	far	RB
39142	1083	20	surpassed	surpass	VBN
39142	1083	21	all	all	PDT
39142	1083	22	these	these	DT
39142	1083	23	photographs	photograph	NNS
39142	1083	24	.	.	.
39142	1084	1	For	for	IN
39142	1084	2	future	future	JJ
39142	1084	3	oppositions	opposition	NNS
39142	1084	4	a	a	DT
39142	1084	5	more	more	RBR
39142	1084	6	sensitive	sensitive	JJ
39142	1084	7	film	film	NN
39142	1084	8	is	be	VBZ
39142	1084	9	highly	highly	RB
39142	1084	10	desired	desire	VBN
39142	1084	11	,	,	,
39142	1084	12	in	in	IN
39142	1084	13	connection	connection	NN
39142	1084	14	with	with	IN
39142	1084	15	instruments	instrument	NNS
39142	1084	16	possessing	possess	VBG
39142	1084	17	greater	great	JJR
39142	1084	18	light	light	NN
39142	1084	19	-	-	HYPH
39142	1084	20	gathering	gather	VBG
39142	1084	21	power	power	NN
39142	1084	22	,	,	,
39142	1084	23	so	so	CC
39142	1084	24	permitting	permit	VBG
39142	1084	25	a	a	DT
39142	1084	26	briefer	briefer	NN
39142	1084	27	exposure	exposure	NN
39142	1084	28	that	that	WDT
39142	1084	29	will	will	MD
39142	1084	30	be	be	VB
39142	1084	31	less	less	RBR
39142	1084	32	influenced	influence	VBN
39142	1084	33	by	by	IN
39142	1084	34	irregularities	irregularity	NNS
39142	1084	35	and	and	CC
39142	1084	36	defects	defect	NNS
39142	1084	37	of	of	IN
39142	1084	38	the	the	DT
39142	1084	39	atmosphere	atmosphere	NN
39142	1084	40	.	.	.
39142	1085	1	The	the	DT
39142	1085	2	spectrum	spectrum	NN
39142	1085	3	of	of	IN
39142	1085	4	Mars	Mars	NNP
39142	1085	5	is	be	VBZ
39142	1085	6	of	of	IN
39142	1085	7	course	course	NN
39142	1085	8	that	that	DT
39142	1085	9	of	of	IN
39142	1085	10	sunlight	sunlight	NN
39142	1085	11	,	,	,
39142	1085	12	very	very	RB
39142	1085	13	much	much	RB
39142	1085	14	reduced	reduce	VBN
39142	1085	15	,	,	,
39142	1085	16	and	and	CC
39142	1085	17	modified	modify	VBN
39142	1085	18	to	to	IN
39142	1085	19	a	a	DT
39142	1085	20	slight	slight	JJ
39142	1085	21	extent	extent	NN
39142	1085	22	by	by	IN
39142	1085	23	its	-PRON-	PRP$
39142	1085	24	passing	passing	NN
39142	1085	25	twice	twice	RB
39142	1085	26	through	through	IN
39142	1085	27	the	the	DT
39142	1085	28	atmosphere	atmosphere	NN
39142	1085	29	of	of	IN
39142	1085	30	Mars	Mars	NNP
39142	1085	31	.	.	.
39142	1086	1	What	what	WDT
39142	1086	2	amount	amount	NN
39142	1086	3	of	of	IN
39142	1086	4	aqueous	aqueous	JJ
39142	1086	5	vapor	vapor	NN
39142	1086	6	that	that	WDT
39142	1086	7	atmosphere	atmosphere	NN
39142	1086	8	may	may	MD
39142	1086	9	contain	contain	VB
39142	1086	10	is	be	VBZ
39142	1086	11	a	a	DT
39142	1086	12	question	question	NN
39142	1086	13	that	that	WDT
39142	1086	14	can	can	MD
39142	1086	15	be	be	VB
39142	1086	16	answered	answer	VBN
39142	1086	17	only	only	RB
39142	1086	18	by	by	IN
39142	1086	19	critical	critical	JJ
39142	1086	20	comparison	comparison	NN
39142	1086	21	of	of	IN
39142	1086	22	the	the	DT
39142	1086	23	Martian	Martian	NNP
39142	1086	24	spectrum	spectrum	NN
39142	1086	25	with	with	IN
39142	1086	26	the	the	DT
39142	1086	27	spectrum	spectrum	NN
39142	1086	28	of	of	IN
39142	1086	29	the	the	DT
39142	1086	30	moon	moon	NN
39142	1086	31	,	,	,
39142	1086	32	and	and	CC
39142	1086	33	photography	photography	NNP
39142	1086	34	affords	afford	VBZ
39142	1086	35	the	the	DT
39142	1086	36	only	only	JJ
39142	1086	37	method	method	NN
39142	1086	38	by	by	IN
39142	1086	39	which	which	WDT
39142	1086	40	this	this	DT
39142	1086	41	can	can	MD
39142	1086	42	be	be	VB
39142	1086	43	done	do	VBN
39142	1086	44	.	.	.
39142	1087	1	Many	many	JJ
39142	1087	2	are	be	VBP
39142	1087	3	the	the	DT
39142	1087	4	ways	way	NNS
39142	1087	5	in	in	IN
39142	1087	6	which	which	WDT
39142	1087	7	photography	photography	NN
39142	1087	8	has	have	VBZ
39142	1087	9	aided	aid	VBN
39142	1087	10	research	research	NN
39142	1087	11	on	on	IN
39142	1087	12	the	the	DT
39142	1087	13	asteroid	asteroid	NN
39142	1087	14	group	group	NN
39142	1087	15	.	.	.
39142	1088	1	Since	since	IN
39142	1088	2	1891	1891	CD
39142	1088	3	more	more	JJR
39142	1088	4	than	than	IN
39142	1088	5	600	600	CD
39142	1088	6	of	of	IN
39142	1088	7	them	-PRON-	PRP
39142	1088	8	have	have	VBP
39142	1088	9	been	be	VBN
39142	1088	10	discovered	discover	VBN
39142	1088	11	by	by	IN
39142	1088	12	photography	photography	NN
39142	1088	13	,	,	,
39142	1088	14	and	and	CC
39142	1088	15	it	-PRON-	PRP
39142	1088	16	is	be	VBZ
39142	1088	17	many	many	JJ
39142	1088	18	times	time	NNS
39142	1088	19	easier	easy	JJR
39142	1088	20	to	to	TO
39142	1088	21	find	find	VB
39142	1088	22	the	the	DT
39142	1088	23	new	new	JJ
39142	1088	24	object	object	NN
39142	1088	25	on	on	IN
39142	1088	26	the	the	DT
39142	1088	27	photographic	photographic	JJ
39142	1088	28	plate	plate	NN
39142	1088	29	than	than	IN
39142	1088	30	to	to	TO
39142	1088	31	detect	detect	VB
39142	1088	32	it	-PRON-	PRP
39142	1088	33	in	in	IN
39142	1088	34	the	the	DT
39142	1088	35	sky	sky	NN
39142	1088	36	as	as	IN
39142	1088	37	was	be	VBD
39142	1088	38	formerly	formerly	RB
39142	1088	39	done	do	VBN
39142	1088	40	by	by	IN
39142	1088	41	means	mean	NNS
39142	1088	42	of	of	IN
39142	1088	43	star	star	NN
39142	1088	44	charts	chart	NNS
39142	1088	45	.	.	.
39142	1089	1	The	the	DT
39142	1089	2	planet	planet	NN
39142	1089	3	by	by	IN
39142	1089	4	its	-PRON-	PRP$
39142	1089	5	motion	motion	NN
39142	1089	6	during	during	IN
39142	1089	7	the	the	DT
39142	1089	8	exposure	exposure	NN
39142	1089	9	of	of	IN
39142	1089	10	the	the	DT
39142	1089	11	plate	plate	NN
39142	1089	12	produces	produce	VBZ
39142	1089	13	a	a	DT
39142	1089	14	trail	trail	NN
39142	1089	15	,	,	,
39142	1089	16	whereas	whereas	IN
39142	1089	17	the	the	DT
39142	1089	18	surrounding	surround	VBG
39142	1089	19	stars	star	NNS
39142	1089	20	are	be	VBP
39142	1089	21	all	all	DT
39142	1089	22	round	round	JJ
39142	1089	23	dots	dot	NNS
39142	1089	24	or	or	CC
39142	1089	25	images	image	NNS
39142	1089	26	.	.	.
39142	1090	1	Or	or	CC
39142	1090	2	by	by	IN
39142	1090	3	moving	move	VBG
39142	1090	4	the	the	DT
39142	1090	5	plate	plate	NN
39142	1090	6	slightly	slightly	RB
39142	1090	7	during	during	IN
39142	1090	8	exposure	exposure	NN
39142	1090	9	,	,	,
39142	1090	10	as	as	IN
39142	1090	11	in	in	IN
39142	1090	12	Metcalf	Metcalf	NNP
39142	1090	13	's	's	POS
39142	1090	14	ingenious	ingenious	JJ
39142	1090	15	method	method	NN
39142	1090	16	,	,	,
39142	1090	17	we	-PRON-	PRP
39142	1090	18	may	may	MD
39142	1090	19	catch	catch	VB
39142	1090	20	the	the	DT
39142	1090	21	planet	planet	NN
39142	1090	22	at	at	IN
39142	1090	23	that	that	DT
39142	1090	24	point	point	NN
39142	1090	25	where	where	WRB
39142	1090	26	it	-PRON-	PRP
39142	1090	27	will	will	MD
39142	1090	28	give	give	VB
39142	1090	29	a	a	DT
39142	1090	30	nearly	nearly	RB
39142	1090	31	circular	circular	JJ
39142	1090	32	image	image	NN
39142	1090	33	,	,	,
39142	1090	34	and	and	CC
39142	1090	35	thus	thus	RB
39142	1090	36	be	be	VB
39142	1090	37	quite	quite	RB
39142	1090	38	as	as	RB
39142	1090	39	easy	easy	JJ
39142	1090	40	to	to	TO
39142	1090	41	detect	detect	VB
39142	1090	42	,	,	,
39142	1090	43	because	because	IN
39142	1090	44	all	all	PDT
39142	1090	45	the	the	DT
39142	1090	46	stars	star	NNS
39142	1090	47	on	on	IN
39142	1090	48	the	the	DT
39142	1090	49	same	same	JJ
39142	1090	50	plate	plate	NN
39142	1090	51	will	will	MD
39142	1090	52	then	then	RB
39142	1090	53	be	be	VB
39142	1090	54	trails	trail	NNS
39142	1090	55	.	.	.
39142	1091	1	Photographic	photographic	JJ
39142	1091	2	photometry	photometry	NN
39142	1091	3	of	of	IN
39142	1091	4	the	the	DT
39142	1091	5	asteroids	asteroid	NNS
39142	1091	6	has	have	VBZ
39142	1091	7	revealed	reveal	VBN
39142	1091	8	marked	marked	JJ
39142	1091	9	variations	variation	NNS
39142	1091	10	in	in	IN
39142	1091	11	their	-PRON-	PRP$
39142	1091	12	light	light	NN
39142	1091	13	,	,	,
39142	1091	14	due	due	IN
39142	1091	15	perhaps	perhaps	RB
39142	1091	16	to	to	IN
39142	1091	17	irregularities	irregularity	NNS
39142	1091	18	of	of	IN
39142	1091	19	figure	figure	NN
39142	1091	20	.	.	.
39142	1092	1	On	on	IN
39142	1092	2	account	account	NN
39142	1092	3	of	of	IN
39142	1092	4	their	-PRON-	PRP$
39142	1092	5	faint	faint	JJ
39142	1092	6	light	light	NN
39142	1092	7	,	,	,
39142	1092	8	the	the	DT
39142	1092	9	asteroids	asteroid	NNS
39142	1092	10	are	be	VBP
39142	1092	11	especially	especially	RB
39142	1092	12	suited	suit	VBN
39142	1092	13	,	,	,
39142	1092	14	as	as	IN
39142	1092	15	Mars	Mars	NNP
39142	1092	16	is	be	VBZ
39142	1092	17	not	not	RB
39142	1092	18	,	,	,
39142	1092	19	to	to	TO
39142	1092	20	exact	exact	VB
39142	1092	21	photography	photography	NN
39142	1092	22	for	for	IN
39142	1092	23	ascertaining	ascertain	VBG
39142	1092	24	their	-PRON-	PRP$
39142	1092	25	parallax	parallax	NN
39142	1092	26	,	,	,
39142	1092	27	and	and	CC
39142	1092	28	from	from	IN
39142	1092	29	this	this	DT
39142	1092	30	the	the	DT
39142	1092	31	sun	sun	NN
39142	1092	32	's	's	POS
39142	1092	33	distance	distance	NN
39142	1092	34	when	when	WRB
39142	1092	35	the	the	DT
39142	1092	36	asteroid	asteroid	NN
39142	1092	37	's	's	POS
39142	1092	38	distance	distance	NN
39142	1092	39	has	have	VBZ
39142	1092	40	been	be	VBN
39142	1092	41	found	find	VBN
39142	1092	42	.	.	.
39142	1093	1	Many	many	JJ
39142	1093	2	asteroids	asteroid	NNS
39142	1093	3	have	have	VBP
39142	1093	4	been	be	VBN
39142	1093	5	utilized	utilize	VBN
39142	1093	6	in	in	IN
39142	1093	7	this	this	DT
39142	1093	8	way	way	NN
39142	1093	9	,	,	,
39142	1093	10	in	in	IN
39142	1093	11	particular	particular	JJ
39142	1093	12	Eros	Eros	NNP
39142	1093	13	(	(	-LRB-
39142	1093	14	433	433	CD
39142	1093	15	)	)	-RRB-
39142	1093	16	.	.	.
39142	1094	1	In	in	IN
39142	1094	2	1931	1931	CD
39142	1094	3	it	-PRON-	PRP
39142	1094	4	approaches	approach	VBZ
39142	1094	5	the	the	DT
39142	1094	6	earth	earth	NN
39142	1094	7	within	within	IN
39142	1094	8	13	13	CD
39142	1094	9	million	million	CD
39142	1094	10	miles	mile	NNS
39142	1094	11	,	,	,
39142	1094	12	when	when	WRB
39142	1094	13	the	the	DT
39142	1094	14	photographic	photographic	JJ
39142	1094	15	method	method	NN
39142	1094	16	will	will	MD
39142	1094	17	doubtless	doubtless	RB
39142	1094	18	give	give	VB
39142	1094	19	the	the	DT
39142	1094	20	sun	sun	NN
39142	1094	21	's	's	POS
39142	1094	22	distance	distance	NN
39142	1094	23	with	with	IN
39142	1094	24	the	the	DT
39142	1094	25	utmost	utmost	JJ
39142	1094	26	accuracy	accuracy	NN
39142	1094	27	.	.	.
39142	1095	1	Photographs	photograph	NNS
39142	1095	2	of	of	IN
39142	1095	3	Jupiter	Jupiter	NNP
39142	1095	4	have	have	VBP
39142	1095	5	been	be	VBN
39142	1095	6	very	very	RB
39142	1095	7	successfully	successfully	RB
39142	1095	8	taken	take	VBN
39142	1095	9	at	at	IN
39142	1095	10	the	the	DT
39142	1095	11	Yerkes	Yerkes	NNP
39142	1095	12	and	and	CC
39142	1095	13	Lowell	Lowell	NNP
39142	1095	14	Observatories	Observatories	NNPS
39142	1095	15	and	and	CC
39142	1095	16	elsewhere	elsewhere	RB
39142	1095	17	,	,	,
39142	1095	18	but	but	CC
39142	1095	19	the	the	DT
39142	1095	20	great	great	JJ
39142	1095	21	depth	depth	NN
39142	1095	22	of	of	IN
39142	1095	23	the	the	DT
39142	1095	24	planet	planet	NN
39142	1095	25	's	's	POS
39142	1095	26	atmosphere	atmosphere	NN
39142	1095	27	is	be	VBZ
39142	1095	28	highly	highly	RB
39142	1095	29	absorptive	absorptive	JJ
39142	1095	30	,	,	,
39142	1095	31	so	so	IN
39142	1095	32	that	that	IN
39142	1095	33	the	the	DT
39142	1095	34	impression	impression	NN
39142	1095	35	is	be	VBZ
39142	1095	36	very	very	RB
39142	1095	37	weak	weak	JJ
39142	1095	38	in	in	IN
39142	1095	39	the	the	DT
39142	1095	40	neighborhood	neighborhood	NN
39142	1095	41	of	of	IN
39142	1095	42	the	the	DT
39142	1095	43	limb	limb	NN
39142	1095	44	,	,	,
39142	1095	45	if	if	IN
39142	1095	46	the	the	DT
39142	1095	47	exposure	exposure	NN
39142	1095	48	is	be	VBZ
39142	1095	49	correctly	correctly	RB
39142	1095	50	timed	time	VBN
39142	1095	51	for	for	IN
39142	1095	52	the	the	DT
39142	1095	53	center	center	NN
39142	1095	54	of	of	IN
39142	1095	55	the	the	DT
39142	1095	56	disk	disk	NN
39142	1095	57	.	.	.
39142	1096	1	The	the	DT
39142	1096	2	striking	strike	VBG
39142	1096	3	detail	detail	NN
39142	1096	4	of	of	IN
39142	1096	5	the	the	DT
39142	1096	6	belts	belt	NNS
39142	1096	7	,	,	,
39142	1096	8	however	however	RB
39142	1096	9	,	,	,
39142	1096	10	is	be	VBZ
39142	1096	11	excellently	excellently	RB
39142	1096	12	shown	show	VBN
39142	1096	13	.	.	.
39142	1097	1	Wood	wood	NN
39142	1097	2	of	of	IN
39142	1097	3	Baltimore	Baltimore	NNP
39142	1097	4	has	have	VBZ
39142	1097	5	obtained	obtain	VBN
39142	1097	6	excellent	excellent	JJ
39142	1097	7	results	result	NNS
39142	1097	8	by	by	IN
39142	1097	9	monochromatic	monochromatic	JJ
39142	1097	10	photography	photography	NN
39142	1097	11	of	of	IN
39142	1097	12	Jupiter	Jupiter	NNP
39142	1097	13	and	and	CC
39142	1097	14	Saturn	Saturn	NNP
39142	1097	15	with	with	IN
39142	1097	16	the	the	DT
39142	1097	17	60-inch	60-inch	CD
39142	1097	18	reflector	reflector	NN
39142	1097	19	on	on	IN
39142	1097	20	Mount	Mount	NNP
39142	1097	21	Wilson	Wilson	NNP
39142	1097	22	.	.	.
39142	1098	1	Jupiter	Jupiter	NNP
39142	1098	2	's	's	POS
39142	1098	3	satellites	satellite	NNS
39142	1098	4	have	have	VBP
39142	1098	5	not	not	RB
39142	1098	6	been	be	VBN
39142	1098	7	neglected	neglect	VBN
39142	1098	8	photographically	photographically	RB
39142	1098	9	,	,	,
39142	1098	10	and	and	CC
39142	1098	11	Pickering	Pickering	NNP
39142	1098	12	has	have	VBZ
39142	1098	13	observed	observe	VBN
39142	1098	14	hundreds	hundred	NNS
39142	1098	15	of	of	IN
39142	1098	16	the	the	DT
39142	1098	17	eclipses	eclipse	NNS
39142	1098	18	of	of	IN
39142	1098	19	the	the	DT
39142	1098	20	satellites	satellite	NNS
39142	1098	21	by	by	IN
39142	1098	22	a	a	DT
39142	1098	23	sort	sort	NN
39142	1098	24	of	of	IN
39142	1098	25	cinematographic	cinematographic	JJ
39142	1098	26	method	method	NN
39142	1098	27	of	of	IN
39142	1098	28	repeated	repeat	VBN
39142	1098	29	exposures	exposure	NNS
39142	1098	30	,	,	,
39142	1098	31	around	around	IN
39142	1098	32	the	the	DT
39142	1098	33	time	time	NN
39142	1098	34	of	of	IN
39142	1098	35	disappearance	disappearance	NN
39142	1098	36	and	and	CC
39142	1098	37	reappearance	reappearance	NN
39142	1098	38	by	by	IN
39142	1098	39	eclipse	eclipse	NN
39142	1098	40	.	.	.
39142	1099	1	The	the	DT
39142	1099	2	newest	new	JJS
39142	1099	3	outer	outer	JJ
39142	1099	4	satellites	satellite	NNS
39142	1099	5	of	of	IN
39142	1099	6	Jupiter	Jupiter	NNP
39142	1099	7	were	be	VBD
39142	1099	8	all	all	DT
39142	1099	9	discovered	discover	VBN
39142	1099	10	by	by	IN
39142	1099	11	photography	photography	NN
39142	1099	12	,	,	,
39142	1099	13	and	and	CC
39142	1099	14	it	-PRON-	PRP
39142	1099	15	is	be	VBZ
39142	1099	16	extremely	extremely	RB
39142	1099	17	doubtful	doubtful	JJ
39142	1099	18	if	if	IN
39142	1099	19	they	-PRON-	PRP
39142	1099	20	would	would	MD
39142	1099	21	have	have	VB
39142	1099	22	been	be	VBN
39142	1099	23	found	find	VBN
39142	1099	24	otherwise	otherwise	RB
39142	1099	25	.	.	.
39142	1100	1	Saturn	Saturn	NNP
39142	1100	2	has	have	VBZ
39142	1100	3	long	long	RB
39142	1100	4	been	be	VBN
39142	1100	5	a	a	DT
39142	1100	6	favorite	favorite	JJ
39142	1100	7	object	object	NN
39142	1100	8	with	with	IN
39142	1100	9	the	the	DT
39142	1100	10	astronomical	astronomical	JJ
39142	1100	11	photographer	photographer	NN
39142	1100	12	,	,	,
39142	1100	13	and	and	CC
39142	1100	14	there	there	EX
39142	1100	15	are	be	VBP
39142	1100	16	many	many	JJ
39142	1100	17	fine	fine	JJ
39142	1100	18	pictures	picture	NNS
39142	1100	19	in	in	IN
39142	1100	20	spite	spite	NN
39142	1100	21	of	of	IN
39142	1100	22	his	-PRON-	PRP$
39142	1100	23	yellowish	yellowish	JJ
39142	1100	24	light	light	NN
39142	1100	25	,	,	,
39142	1100	26	relatively	relatively	RB
39142	1100	27	weak	weak	JJ
39142	1100	28	photographically	photographically	RB
39142	1100	29	.	.	.
39142	1101	1	The	the	DT
39142	1101	2	marvelous	marvelous	JJ
39142	1101	3	ring	ring	NN
39142	1101	4	system	system	NN
39142	1101	5	with	with	IN
39142	1101	6	the	the	DT
39142	1101	7	Cassini	Cassini	NNP
39142	1101	8	division	division	NN
39142	1101	9	,	,	,
39142	1101	10	the	the	DT
39142	1101	11	oblateness	oblateness	NN
39142	1101	12	of	of	IN
39142	1101	13	the	the	DT
39142	1101	14	ball	ball	NN
39142	1101	15	,	,	,
39142	1101	16	the	the	DT
39142	1101	17	occasional	occasional	JJ
39142	1101	18	markings	marking	NNS
39142	1101	19	on	on	IN
39142	1101	20	it	-PRON-	PRP
39142	1101	21	--	--	:
39142	1101	22	all	all	DT
39142	1101	23	are	be	VBP
39142	1101	24	well	well	RB
39142	1101	25	shown	show	VBN
39142	1101	26	in	in	IN
39142	1101	27	the	the	DT
39142	1101	28	best	good	JJS
39142	1101	29	photographs	photograph	NNS
39142	1101	30	;	;	:
39142	1101	31	but	but	CC
39142	1101	32	the	the	DT
39142	1101	33	call	call	NN
39142	1101	34	is	be	VBZ
39142	1101	35	for	for	IN
39142	1101	36	more	more	JJR
39142	1101	37	light	light	NN
39142	1101	38	and	and	CC
39142	1101	39	a	a	DT
39142	1101	40	more	more	RBR
39142	1101	41	sensitive	sensitive	JJ
39142	1101	42	photographic	photographic	JJ
39142	1101	43	process	process	NN
39142	1101	44	.	.	.
39142	1102	1	Pickering	Pickering	NNP
39142	1102	2	's	's	POS
39142	1102	3	ninth	ninth	JJ
39142	1102	4	satellite	satellite	NN
39142	1102	5	(	(	-LRB-
39142	1102	6	Phoebe	Phoebe	NNP
39142	1102	7	)	)	-RRB-
39142	1102	8	was	be	VBD
39142	1102	9	discovered	discover	VBN
39142	1102	10	by	by	IN
39142	1102	11	photography	photography	NN
39142	1102	12	,	,	,
39142	1102	13	one	one	CD
39142	1102	14	of	of	IN
39142	1102	15	the	the	DT
39142	1102	16	faintest	faint	JJS
39142	1102	17	moons	moon	NNS
39142	1102	18	in	in	IN
39142	1102	19	the	the	DT
39142	1102	20	solar	solar	JJ
39142	1102	21	system	system	NN
39142	1102	22	.	.	.
39142	1103	1	Like	like	IN
39142	1103	2	the	the	DT
39142	1103	3	faint	faint	JJ
39142	1103	4	outer	outer	JJ
39142	1103	5	moons	moon	NNS
39142	1103	6	of	of	IN
39142	1103	7	Jupiter	Jupiter	NNP
39142	1103	8	,	,	,
39142	1103	9	few	few	JJ
39142	1103	10	existing	existing	JJ
39142	1103	11	telescopes	telescope	NNS
39142	1103	12	are	be	VBP
39142	1103	13	powerful	powerful	JJ
39142	1103	14	enough	enough	RB
39142	1103	15	to	to	TO
39142	1103	16	show	show	VB
39142	1103	17	it	-PRON-	PRP
39142	1103	18	.	.	.
39142	1104	1	Its	-PRON-	PRP$
39142	1104	2	orbit	orbit	NN
39142	1104	3	has	have	VBZ
39142	1104	4	been	be	VBN
39142	1104	5	found	find	VBN
39142	1104	6	from	from	IN
39142	1104	7	photographic	photographic	JJ
39142	1104	8	observations	observation	NNS
39142	1104	9	,	,	,
39142	1104	10	and	and	CC
39142	1104	11	its	-PRON-	PRP$
39142	1104	12	position	position	NN
39142	1104	13	is	be	VBZ
39142	1104	14	checked	check	VBN
39142	1104	15	up	up	RP
39142	1104	16	from	from	IN
39142	1104	17	time	time	NN
39142	1104	18	to	to	IN
39142	1104	19	time	time	NN
39142	1104	20	by	by	IN
39142	1104	21	photography	photography	NN
39142	1104	22	.	.	.
39142	1105	1	But	but	CC
39142	1105	2	the	the	DT
39142	1105	3	crowning	crowning	JJ
39142	1105	4	achievement	achievement	NN
39142	1105	5	of	of	IN
39142	1105	6	spectrum	spectrum	NNP
39142	1105	7	photography	photography	NN
39142	1105	8	in	in	IN
39142	1105	9	the	the	DT
39142	1105	10	Saturnian	saturnian	JJ
39142	1105	11	system	system	NN
39142	1105	12	is	be	VBZ
39142	1105	13	Keeler	Keeler	NNP
39142	1105	14	's	's	POS
39142	1105	15	application	application	NN
39142	1105	16	of	of	IN
39142	1105	17	Doppler	Doppler	NNP
39142	1105	18	's	's	POS
39142	1105	19	principle	principle	NN
39142	1105	20	in	in	IN
39142	1105	21	determining	determine	VBG
39142	1105	22	the	the	DT
39142	1105	23	rate	rate	NN
39142	1105	24	of	of	IN
39142	1105	25	orbital	orbital	JJ
39142	1105	26	motion	motion	NN
39142	1105	27	of	of	IN
39142	1105	28	particles	particle	NNS
39142	1105	29	in	in	IN
39142	1105	30	different	different	JJ
39142	1105	31	zones	zone	NNS
39142	1105	32	of	of	IN
39142	1105	33	the	the	DT
39142	1105	34	rings	ring	NNS
39142	1105	35	,	,	,
39142	1105	36	thereby	thereby	RB
39142	1105	37	establishing	establish	VBG
39142	1105	38	the	the	DT
39142	1105	39	Maxwellian	maxwellian	JJ
39142	1105	40	theory	theory	NN
39142	1105	41	of	of	IN
39142	1105	42	the	the	DT
39142	1105	43	constitution	constitution	NN
39142	1105	44	of	of	IN
39142	1105	45	the	the	DT
39142	1105	46	rings	ring	NNS
39142	1105	47	beyond	beyond	IN
39142	1105	48	the	the	DT
39142	1105	49	possibility	possibility	NN
39142	1105	50	of	of	IN
39142	1105	51	doubt	doubt	NN
39142	1105	52	.	.	.
39142	1106	1	For	for	IN
39142	1106	2	Uranus	Uranus	NNP
39142	1106	3	and	and	CC
39142	1106	4	Neptune	Neptune	NNP
39142	1106	5	photography	photography	NN
39142	1106	6	has	have	VBZ
39142	1106	7	availed	avail	VBN
39142	1106	8	but	but	CC
39142	1106	9	little	little	JJ
39142	1106	10	,	,	,
39142	1106	11	except	except	IN
39142	1106	12	to	to	IN
39142	1106	13	negative	negative	JJ
39142	1106	14	the	the	DT
39142	1106	15	existence	existence	NN
39142	1106	16	of	of	IN
39142	1106	17	additional	additional	JJ
39142	1106	18	satellites	satellite	NNS
39142	1106	19	of	of	IN
39142	1106	20	these	these	DT
39142	1106	21	planets	planet	NNS
39142	1106	22	,	,	,
39142	1106	23	which	which	WDT
39142	1106	24	doubtless	doubtless	RB
39142	1106	25	would	would	MD
39142	1106	26	have	have	VB
39142	1106	27	been	be	VBN
39142	1106	28	discovered	discover	VBN
39142	1106	29	by	by	IN
39142	1106	30	the	the	DT
39142	1106	31	thorough	thorough	JJ
39142	1106	32	photographic	photographic	JJ
39142	1106	33	search	search	NN
39142	1106	34	which	which	WDT
39142	1106	35	has	have	VBZ
39142	1106	36	been	be	VBN
39142	1106	37	made	make	VBN
39142	1106	38	for	for	IN
39142	1106	39	them	-PRON-	PRP
39142	1106	40	by	by	IN
39142	1106	41	W.	W.	NNP
39142	1106	42	H.	H.	NNP
39142	1106	43	Pickering	Pickering	NNP
39142	1106	44	without	without	IN
39142	1106	45	result	result	NN
39142	1106	46	.	.	.
39142	1107	1	As	as	IN
39142	1107	2	with	with	IN
39142	1107	3	the	the	DT
39142	1107	4	asteroids	asteroid	NNS
39142	1107	5	,	,	,
39142	1107	6	so	so	CC
39142	1107	7	with	with	IN
39142	1107	8	comets	comet	NNS
39142	1107	9	:	:	:
39142	1107	10	several	several	JJ
39142	1107	11	of	of	IN
39142	1107	12	these	these	DT
39142	1107	13	bodies	body	NNS
39142	1107	14	have	have	VBP
39142	1107	15	been	be	VBN
39142	1107	16	discovered	discover	VBN
39142	1107	17	by	by	IN
39142	1107	18	photography	photography	NN
39142	1107	19	;	;	:
39142	1107	20	none	none	NN
39142	1107	21	more	more	RBR
39142	1107	22	spectacular	spectacular	JJ
39142	1107	23	than	than	IN
39142	1107	24	the	the	DT
39142	1107	25	Egyptian	egyptian	JJ
39142	1107	26	comet	comet	NN
39142	1107	27	of	of	IN
39142	1107	28	May	May	NNP
39142	1107	29	17th	17th	NN
39142	1107	30	,	,	,
39142	1107	31	1882	1882	CD
39142	1107	32	,	,	,
39142	1107	33	which	which	WDT
39142	1107	34	impressed	impress	VBD
39142	1107	35	itself	-PRON-	PRP
39142	1107	36	on	on	IN
39142	1107	37	the	the	DT
39142	1107	38	plates	plate	NNS
39142	1107	39	of	of	IN
39142	1107	40	the	the	DT
39142	1107	41	corona	corona	NN
39142	1107	42	of	of	IN
39142	1107	43	that	that	DT
39142	1107	44	date	date	NN
39142	1107	45	.	.	.
39142	1108	1	Withdrawal	withdrawal	NN
39142	1108	2	of	of	IN
39142	1108	3	the	the	DT
39142	1108	4	sun	sun	NN
39142	1108	5	's	's	POS
39142	1108	6	light	light	NN
39142	1108	7	by	by	IN
39142	1108	8	total	total	JJ
39142	1108	9	eclipse	eclipse	NN
39142	1108	10	made	make	VBD
39142	1108	11	the	the	DT
39142	1108	12	comet	comet	NN
39142	1108	13	visible	visible	JJ
39142	1108	14	,	,	,
39142	1108	15	and	and	CC
39142	1108	16	it	-PRON-	PRP
39142	1108	17	had	have	VBD
39142	1108	18	never	never	RB
39142	1108	19	been	be	VBN
39142	1108	20	seen	see	VBN
39142	1108	21	before	before	RB
39142	1108	22	,	,	,
39142	1108	23	nor	nor	CC
39142	1108	24	is	be	VBZ
39142	1108	25	it	-PRON-	PRP
39142	1108	26	known	known	JJ
39142	1108	27	whether	whether	IN
39142	1108	28	it	-PRON-	PRP
39142	1108	29	will	will	MD
39142	1108	30	ever	ever	RB
39142	1108	31	return	return	VB
39142	1108	32	.	.	.
39142	1109	1	In	in	IN
39142	1109	2	cometary	cometary	JJ
39142	1109	3	photography	photography	NN
39142	1109	4	,	,	,
39142	1109	5	much	much	RB
39142	1109	6	the	the	DT
39142	1109	7	same	same	JJ
39142	1109	8	difficulties	difficulty	NNS
39142	1109	9	are	be	VBP
39142	1109	10	present	present	JJ
39142	1109	11	as	as	IN
39142	1109	12	in	in	IN
39142	1109	13	photographing	photograph	VBG
39142	1109	14	the	the	DT
39142	1109	15	corona	corona	NN
39142	1109	16	:	:	:
39142	1109	17	if	if	IN
39142	1109	18	the	the	DT
39142	1109	19	plate	plate	NN
39142	1109	20	is	be	VBZ
39142	1109	21	exposed	expose	VBN
39142	1109	22	long	long	RB
39142	1109	23	enough	enough	RB
39142	1109	24	to	to	TO
39142	1109	25	get	get	VB
39142	1109	26	the	the	DT
39142	1109	27	faint	faint	JJ
39142	1109	28	extensions	extension	NNS
39142	1109	29	of	of	IN
39142	1109	30	the	the	DT
39142	1109	31	tail	tail	NN
39142	1109	32	,	,	,
39142	1109	33	the	the	DT
39142	1109	34	fine	fine	JJ
39142	1109	35	filaments	filament	NNS
39142	1109	36	of	of	IN
39142	1109	37	the	the	DT
39142	1109	38	coma	coma	NN
39142	1109	39	or	or	CC
39142	1109	40	head	head	NN
39142	1109	41	are	be	VBP
39142	1109	42	obliterated	obliterate	VBN
39142	1109	43	by	by	IN
39142	1109	44	halation	halation	NN
39142	1109	45	and	and	CC
39142	1109	46	overexposure	overexposure	NN
39142	1109	47	.	.	.
39142	1110	1	No	no	DT
39142	1110	2	one	one	NN
39142	1110	3	has	have	VBZ
39142	1110	4	had	have	VBN
39142	1110	5	greater	great	JJR
39142	1110	6	success	success	NN
39142	1110	7	in	in	IN
39142	1110	8	this	this	DT
39142	1110	9	work	work	NN
39142	1110	10	than	than	IN
39142	1110	11	Barnard	Barnard	NNP
39142	1110	12	,	,	,
39142	1110	13	whose	whose	WP$
39142	1110	14	photographs	photograph	NNS
39142	1110	15	of	of	IN
39142	1110	16	comets	comet	NNS
39142	1110	17	,	,	,
39142	1110	18	particularly	particularly	RB
39142	1110	19	at	at	IN
39142	1110	20	the	the	DT
39142	1110	21	Lick	Lick	NNP
39142	1110	22	Observatory	Observatory	NNP
39142	1110	23	,	,	,
39142	1110	24	are	be	VBP
39142	1110	25	numerous	numerous	JJ
39142	1110	26	and	and	CC
39142	1110	27	unexcelled	unexcelled	JJ
39142	1110	28	.	.	.
39142	1111	1	His	-PRON-	PRP$
39142	1111	2	photographs	photograph	NNS
39142	1111	3	of	of	IN
39142	1111	4	the	the	DT
39142	1111	5	Brooks	Brooks	NNP
39142	1111	6	Comet	Comet	NNP
39142	1111	7	of	of	IN
39142	1111	8	1893	1893	CD
39142	1111	9	revealed	reveal	VBD
39142	1111	10	rapid	rapid	JJ
39142	1111	11	and	and	CC
39142	1111	12	violent	violent	JJ
39142	1111	13	changes	change	NNS
39142	1111	14	in	in	IN
39142	1111	15	the	the	DT
39142	1111	16	tail	tail	NN
39142	1111	17	,	,	,
39142	1111	18	as	as	IN
39142	1111	19	if	if	IN
39142	1111	20	shattered	shatter	VBN
39142	1111	21	by	by	IN
39142	1111	22	encounter	encounter	NN
39142	1111	23	with	with	IN
39142	1111	24	meteors	meteor	NNS
39142	1111	25	;	;	:
39142	1111	26	and	and	CC
39142	1111	27	the	the	DT
39142	1111	28	tail	tail	NN
39142	1111	29	of	of	IN
39142	1111	30	Halley	Halley	NNP
39142	1111	31	's	's	POS
39142	1111	32	comet	comet	NN
39142	1111	33	in	in	IN
39142	1111	34	1910	1910	CD
39142	1111	35	showed	show	VBD
39142	1111	36	the	the	DT
39142	1111	37	rapid	rapid	JJ
39142	1111	38	propagation	propagation	NN
39142	1111	39	of	of	IN
39142	1111	40	luminous	luminous	JJ
39142	1111	41	waves	wave	NNS
39142	1111	42	down	down	IN
39142	1111	43	the	the	DT
39142	1111	44	tail	tail	NN
39142	1111	45	,	,	,
39142	1111	46	similar	similar	JJ
39142	1111	47	to	to	IN
39142	1111	48	phenomena	phenomenon	NNS
39142	1111	49	sometimes	sometimes	RB
39142	1111	50	seen	see	VBN
39142	1111	51	in	in	IN
39142	1111	52	streamers	streamer	NNS
39142	1111	53	of	of	IN
39142	1111	54	the	the	DT
39142	1111	55	aurora	aurora	NNP
39142	1111	56	.	.	.
39142	1112	1	Draper	Draper	NNP
39142	1112	2	obtained	obtain	VBD
39142	1112	3	the	the	DT
39142	1112	4	first	first	JJ
39142	1112	5	photograph	photograph	NN
39142	1112	6	of	of	IN
39142	1112	7	a	a	DT
39142	1112	8	comet	comet	NN
39142	1112	9	's	's	POS
39142	1112	10	spectrum	spectrum	NN
39142	1112	11	in	in	IN
39142	1112	12	1881	1881	CD
39142	1112	13	,	,	,
39142	1112	14	disclosing	disclose	VBG
39142	1112	15	an	an	DT
39142	1112	16	identity	identity	NN
39142	1112	17	with	with	IN
39142	1112	18	hydrocarbons	hydrocarbon	NNS
39142	1112	19	burning	burn	VBG
39142	1112	20	in	in	IN
39142	1112	21	a	a	DT
39142	1112	22	Bunsen	Bunsen	NNP
39142	1112	23	flame	flame	NN
39142	1112	24	,	,	,
39142	1112	25	also	also	RB
39142	1112	26	bands	band	VBZ
39142	1112	27	in	in	IN
39142	1112	28	the	the	DT
39142	1112	29	violet	violet	NN
39142	1112	30	due	due	IN
39142	1112	31	to	to	IN
39142	1112	32	carbon	carbon	NN
39142	1112	33	compounds	compound	NNS
39142	1112	34	.	.	.
39142	1113	1	The	the	DT
39142	1113	2	photographic	photographic	JJ
39142	1113	3	spectra	spectra	NN
39142	1113	4	of	of	IN
39142	1113	5	subsequent	subsequent	JJ
39142	1113	6	comets	comet	NNS
39142	1113	7	have	have	VBP
39142	1113	8	shown	show	VBN
39142	1113	9	bright	bright	JJ
39142	1113	10	lines	line	NNS
39142	1113	11	due	due	JJ
39142	1113	12	to	to	IN
39142	1113	13	sodium	sodium	NN
39142	1113	14	and	and	CC
39142	1113	15	the	the	DT
39142	1113	16	vapor	vapor	NN
39142	1113	17	of	of	IN
39142	1113	18	iron	iron	NN
39142	1113	19	and	and	CC
39142	1113	20	magnesium	magnesium	NN
39142	1113	21	.	.	.
39142	1114	1	Even	even	RB
39142	1114	2	the	the	DT
39142	1114	3	elusive	elusive	JJ
39142	1114	4	meteor	meteor	NN
39142	1114	5	has	have	VBZ
39142	1114	6	been	be	VBN
39142	1114	7	caught	catch	VBN
39142	1114	8	by	by	IN
39142	1114	9	photography	photography	NN
39142	1114	10	,	,	,
39142	1114	11	first	first	RB
39142	1114	12	by	by	IN
39142	1114	13	Wolf	Wolf	NNP
39142	1114	14	in	in	IN
39142	1114	15	1891	1891	CD
39142	1114	16	,	,	,
39142	1114	17	who	who	WP
39142	1114	18	was	be	VBD
39142	1114	19	exposing	expose	VBG
39142	1114	20	a	a	DT
39142	1114	21	plate	plate	NN
39142	1114	22	on	on	IN
39142	1114	23	stars	star	NNS
39142	1114	24	in	in	IN
39142	1114	25	the	the	DT
39142	1114	26	Milky	Milky	NNP
39142	1114	27	Way	Way	NNP
39142	1114	28	.	.	.
39142	1115	1	On	on	IN
39142	1115	2	developing	develop	VBG
39142	1115	3	it	-PRON-	PRP
39142	1115	4	,	,	,
39142	1115	5	he	-PRON-	PRP
39142	1115	6	found	find	VBD
39142	1115	7	a	a	DT
39142	1115	8	fine	fine	JJ
39142	1115	9	,	,	,
39142	1115	10	dark	dark	JJ
39142	1115	11	nearly	nearly	RB
39142	1115	12	uniform	uniform	JJ
39142	1115	13	line	line	NN
39142	1115	14	crossing	cross	VBG
39142	1115	15	it	-PRON-	PRP
39142	1115	16	,	,	,
39142	1115	17	due	due	IN
39142	1115	18	to	to	IN
39142	1115	19	the	the	DT
39142	1115	20	accidental	accidental	JJ
39142	1115	21	flight	flight	NN
39142	1115	22	across	across	IN
39142	1115	23	the	the	DT
39142	1115	24	field	field	NN
39142	1115	25	of	of	IN
39142	1115	26	a	a	DT
39142	1115	27	meteor	meteor	NN
39142	1115	28	of	of	IN
39142	1115	29	varying	vary	VBG
39142	1115	30	brightness	brightness	NN
39142	1115	31	.	.	.
39142	1116	1	Since	since	IN
39142	1116	2	then	then	RB
39142	1116	3	meteor	meteor	JJ
39142	1116	4	trails	trail	NNS
39142	1116	5	have	have	VBP
39142	1116	6	been	be	VBN
39142	1116	7	repeatedly	repeatedly	RB
39142	1116	8	photographed	photograph	VBN
39142	1116	9	,	,	,
39142	1116	10	and	and	CC
39142	1116	11	even	even	RB
39142	1116	12	the	the	DT
39142	1116	13	trail	trail	NN
39142	1116	14	spectra	spectra	NN
39142	1116	15	of	of	IN
39142	1116	16	meteors	meteor	NNS
39142	1116	17	have	have	VBP
39142	1116	18	been	be	VBN
39142	1116	19	registered	register	VBN
39142	1116	20	on	on	IN
39142	1116	21	the	the	DT
39142	1116	22	Harvard	Harvard	NNP
39142	1116	23	plates	plate	NNS
39142	1116	24	.	.	.
39142	1117	1	At	at	IN
39142	1117	2	Yale	Yale	NNP
39142	1117	3	in	in	IN
39142	1117	4	1894	1894	CD
39142	1117	5	Elkin	Elkin	NNP
39142	1117	6	employed	employ	VBD
39142	1117	7	a	a	DT
39142	1117	8	unique	unique	JJ
39142	1117	9	apparatus	apparatus	NN
39142	1117	10	for	for	IN
39142	1117	11	securing	secure	VBG
39142	1117	12	photographic	photographic	JJ
39142	1117	13	trails	trail	NNS
39142	1117	14	of	of	IN
39142	1117	15	meteors	meteor	NNS
39142	1117	16	:	:	:
39142	1117	17	six	six	CD
39142	1117	18	photographic	photographic	JJ
39142	1117	19	cameras	camera	NNS
39142	1117	20	mounted	mount	VBN
39142	1117	21	at	at	IN
39142	1117	22	different	different	JJ
39142	1117	23	angles	angle	NNS
39142	1117	24	on	on	IN
39142	1117	25	a	a	DT
39142	1117	26	long	long	JJ
39142	1117	27	polar	polar	JJ
39142	1117	28	axis	axi	NNS
39142	1117	29	driven	drive	VBN
39142	1117	30	by	by	IN
39142	1117	31	clockwork	clockwork	NN
39142	1117	32	,	,	,
39142	1117	33	the	the	DT
39142	1117	34	whole	whole	NN
39142	1117	35	arranged	arrange	VBD
39142	1117	36	so	so	IN
39142	1117	37	as	as	IN
39142	1117	38	to	to	TO
39142	1117	39	cover	cover	VB
39142	1117	40	a	a	DT
39142	1117	41	large	large	JJ
39142	1117	42	area	area	NN
39142	1117	43	of	of	IN
39142	1117	44	the	the	DT
39142	1117	45	sky	sky	NN
39142	1117	46	where	where	WRB
39142	1117	47	meteors	meteor	NNS
39142	1117	48	were	be	VBD
39142	1117	49	expected	expect	VBN
39142	1117	50	.	.	.
39142	1118	1	When	when	WRB
39142	1118	2	we	-PRON-	PRP
39142	1118	3	pass	pass	VBP
39142	1118	4	from	from	IN
39142	1118	5	the	the	DT
39142	1118	6	solar	solar	JJ
39142	1118	7	system	system	NN
39142	1118	8	to	to	IN
39142	1118	9	the	the	DT
39142	1118	10	stellar	stellar	JJ
39142	1118	11	universe	universe	NN
39142	1118	12	the	the	DT
39142	1118	13	advantages	advantage	NNS
39142	1118	14	of	of	IN
39142	1118	15	photography	photography	NN
39142	1118	16	and	and	CC
39142	1118	17	the	the	DT
39142	1118	18	amplification	amplification	NN
39142	1118	19	of	of	IN
39142	1118	20	research	research	NN
39142	1118	21	due	due	IN
39142	1118	22	to	to	IN
39142	1118	23	its	-PRON-	PRP$
39142	1118	24	employment	employment	NN
39142	1118	25	as	as	IN
39142	1118	26	accessory	accessory	NN
39142	1118	27	in	in	IN
39142	1118	28	nearly	nearly	RB
39142	1118	29	every	every	DT
39142	1118	30	line	line	NN
39142	1118	31	of	of	IN
39142	1118	32	investigation	investigation	NN
39142	1118	33	are	be	VBP
39142	1118	34	enormous	enormous	JJ
39142	1118	35	.	.	.
39142	1119	1	So	so	RB
39142	1119	2	extensively	extensively	RB
39142	1119	3	has	have	VBZ
39142	1119	4	photography	photography	NN
39142	1119	5	been	be	VBN
39142	1119	6	introduced	introduce	VBN
39142	1119	7	that	that	IN
39142	1119	8	plates	plate	NNS
39142	1119	9	,	,	,
39142	1119	10	and	and	CC
39142	1119	11	to	to	IN
39142	1119	12	a	a	DT
39142	1119	13	slight	slight	JJ
39142	1119	14	extent	extent	NN
39142	1119	15	films	film	NNS
39142	1119	16	,	,	,
39142	1119	17	are	be	VBP
39142	1119	18	now	now	RB
39142	1119	19	almost	almost	RB
39142	1119	20	exclusively	exclusively	RB
39142	1119	21	used	use	VBN
39142	1119	22	in	in	IN
39142	1119	23	securing	secure	VBG
39142	1119	24	original	original	JJ
39142	1119	25	records	record	NNS
39142	1119	26	.	.	.
39142	1120	1	Regrettably	regrettably	RB
39142	1120	2	so	so	RB
39142	1120	3	in	in	IN
39142	1120	4	case	case	NN
39142	1120	5	of	of	IN
39142	1120	6	the	the	DT
39142	1120	7	nebulæ	nebulæ	NN
39142	1120	8	,	,	,
39142	1120	9	because	because	IN
39142	1120	10	the	the	DT
39142	1120	11	numerous	numerous	JJ
39142	1120	12	photographs	photograph	NNS
39142	1120	13	of	of	IN
39142	1120	14	the	the	DT
39142	1120	15	brighter	bright	JJR
39142	1120	16	nebulæ	nebulæ	NN
39142	1120	17	taken	take	VBN
39142	1120	18	since	since	IN
39142	1120	19	1880	1880	CD
39142	1120	20	when	when	WRB
39142	1120	21	Draper	Draper	NNP
39142	1120	22	got	get	VBD
39142	1120	23	the	the	DT
39142	1120	24	first	first	JJ
39142	1120	25	photograph	photograph	NN
39142	1120	26	of	of	IN
39142	1120	27	the	the	DT
39142	1120	28	nebula	nebula	NN
39142	1120	29	of	of	IN
39142	1120	30	Orion	Orion	NNP
39142	1120	31	,	,	,
39142	1120	32	are	be	VBP
39142	1120	33	as	as	IN
39142	1120	34	a	a	DT
39142	1120	35	rule	rule	NN
39142	1120	36	not	not	RB
39142	1120	37	comparable	comparable	JJ
39142	1120	38	with	with	IN
39142	1120	39	each	each	DT
39142	1120	40	other	other	JJ
39142	1120	41	.	.	.
39142	1121	1	Differences	difference	NNS
39142	1121	2	of	of	IN
39142	1121	3	instruments	instrument	NNS
39142	1121	4	,	,	,
39142	1121	5	of	of	IN
39142	1121	6	plates	plate	NNS
39142	1121	7	,	,	,
39142	1121	8	of	of	IN
39142	1121	9	exposure	exposure	NN
39142	1121	10	,	,	,
39142	1121	11	and	and	CC
39142	1121	12	development	development	NN
39142	1121	13	--	--	:
39142	1121	14	all	all	DT
39142	1121	15	have	have	VBP
39142	1121	16	occasioned	occasion	VBN
39142	1121	17	differences	difference	NNS
39142	1121	18	in	in	IN
39142	1121	19	portrayal	portrayal	NN
39142	1121	20	of	of	IN
39142	1121	21	a	a	DT
39142	1121	22	nebula	nebula	NN
39142	1121	23	which	which	WDT
39142	1121	24	do	do	VBP
39142	1121	25	not	not	RB
39142	1121	26	exist	exist	VB
39142	1121	27	.	.	.
39142	1122	1	When	when	WRB
39142	1122	2	we	-PRON-	PRP
39142	1122	3	consider	consider	VBP
39142	1122	4	faithful	faithful	JJ
39142	1122	5	accuracy	accuracy	NN
39142	1122	6	of	of	IN
39142	1122	7	portrayal	portrayal	NN
39142	1122	8	of	of	IN
39142	1122	9	the	the	DT
39142	1122	10	nebulæ	nebulæ	NN
39142	1122	11	for	for	IN
39142	1122	12	purposes	purpose	NNS
39142	1122	13	of	of	IN
39142	1122	14	critical	critical	JJ
39142	1122	15	comparison	comparison	NN
39142	1122	16	from	from	IN
39142	1122	17	age	age	NN
39142	1122	18	to	to	IN
39142	1122	19	age	age	NN
39142	1122	20	,	,	,
39142	1122	21	many	many	JJ
39142	1122	22	of	of	IN
39142	1122	23	our	-PRON-	PRP$
39142	1122	24	nebular	nebular	JJ
39142	1122	25	photographs	photograph	NNS
39142	1122	26	of	of	IN
39142	1122	27	the	the	DT
39142	1122	28	past	past	JJ
39142	1122	29	forty	forty	CD
39142	1122	30	years	year	NNS
39142	1122	31	,	,	,
39142	1122	32	fine	fine	RB
39142	1122	33	as	as	IN
39142	1122	34	they	-PRON-	PRP
39142	1122	35	are	be	VBP
39142	1122	36	and	and	CC
39142	1122	37	marvelous	marvelous	JJ
39142	1122	38	as	as	IN
39142	1122	39	they	-PRON-	PRP
39142	1122	40	are	be	VBP
39142	1122	41	,	,	,
39142	1122	42	must	must	MD
39142	1122	43	fail	fail	VB
39142	1122	44	to	to	TO
39142	1122	45	serve	serve	VB
39142	1122	46	the	the	DT
39142	1122	47	purpose	purpose	NN
39142	1122	48	of	of	IN
39142	1122	49	revealing	revealing	JJ
39142	1122	50	progressive	progressive	JJ
39142	1122	51	changes	change	NNS
39142	1122	52	in	in	IN
39142	1122	53	nebular	nebular	JJ
39142	1122	54	features	feature	NNS
39142	1122	55	in	in	IN
39142	1122	56	the	the	DT
39142	1122	57	future	future	NN
39142	1122	58	.	.	.
39142	1123	1	Roberts	Roberts	NNP
39142	1123	2	and	and	CC
39142	1123	3	Common	Common	NNP
39142	1123	4	in	in	IN
39142	1123	5	England	England	NNP
39142	1123	6	were	be	VBD
39142	1123	7	among	among	IN
39142	1123	8	the	the	DT
39142	1123	9	first	first	JJ
39142	1123	10	to	to	TO
39142	1123	11	obtain	obtain	VB
39142	1123	12	nebular	nebular	JJ
39142	1123	13	photographs	photograph	NNS
39142	1123	14	with	with	IN
39142	1123	15	extraordinary	extraordinary	JJ
39142	1123	16	detail	detail	NN
39142	1123	17	,	,	,
39142	1123	18	also	also	RB
39142	1123	19	the	the	DT
39142	1123	20	brothers	brother	NNS
39142	1123	21	Henry	Henry	NNP
39142	1123	22	of	of	IN
39142	1123	23	Paris	Paris	NNP
39142	1123	24	.	.	.
39142	1124	1	As	as	RB
39142	1124	2	early	early	RB
39142	1124	3	as	as	IN
39142	1124	4	1888	1888	CD
39142	1124	5	Roberts	Roberts	NNP
39142	1124	6	revealed	reveal	VBD
39142	1124	7	the	the	DT
39142	1124	8	true	true	JJ
39142	1124	9	nature	nature	NN
39142	1124	10	of	of	IN
39142	1124	11	the	the	DT
39142	1124	12	great	great	JJ
39142	1124	13	nebula	nebula	NN
39142	1124	14	in	in	IN
39142	1124	15	Andromeda	Andromeda	NNP
39142	1124	16	,	,	,
39142	1124	17	which	which	WDT
39142	1124	18	had	have	VBD
39142	1124	19	never	never	RB
39142	1124	20	been	be	VBN
39142	1124	21	suspected	suspect	VBN
39142	1124	22	of	of	IN
39142	1124	23	being	be	VBG
39142	1124	24	spiral	spiral	JJ
39142	1124	25	;	;	:
39142	1124	26	and	and	CC
39142	1124	27	Keeler	Keeler	NNP
39142	1124	28	and	and	CC
39142	1124	29	Perrine	Perrine	NNP
39142	1124	30	at	at	IN
39142	1124	31	the	the	DT
39142	1124	32	Lick	Lick	NNP
39142	1124	33	Observatory	Observatory	NNP
39142	1124	34	pushed	push	VBD
39142	1124	35	the	the	DT
39142	1124	36	photographic	photographic	JJ
39142	1124	37	discovery	discovery	NN
39142	1124	38	of	of	IN
39142	1124	39	spiral	spiral	JJ
39142	1124	40	nebulæ	nebulæ	NN
39142	1124	41	so	so	RB
39142	1124	42	far	far	RB
39142	1124	43	that	that	IN
39142	1124	44	their	-PRON-	PRP$
39142	1124	45	estimates	estimate	NNS
39142	1124	46	fill	fill	VBP
39142	1124	47	the	the	DT
39142	1124	48	sky	sky	NN
39142	1124	49	with	with	IN
39142	1124	50	many	many	JJ
39142	1124	51	hundred	hundred	CD
39142	1124	52	thousands	thousand	NNS
39142	1124	53	of	of	IN
39142	1124	54	these	these	DT
39142	1124	55	objects	object	NNS
39142	1124	56	.	.	.
39142	1125	1	In	in	IN
39142	1125	2	the	the	DT
39142	1125	3	southern	southern	JJ
39142	1125	4	hemisphere	hemisphere	NN
39142	1125	5	the	the	DT
39142	1125	6	24-inch	24-inch	CD
39142	1125	7	Bruce	Bruce	NNP
39142	1125	8	telescope	telescope	NN
39142	1125	9	of	of	IN
39142	1125	10	Harvard	Harvard	NNP
39142	1125	11	College	College	NNP
39142	1125	12	Observatory	Observatory	NNP
39142	1125	13	has	have	VBZ
39142	1125	14	obtained	obtain	VBN
39142	1125	15	many	many	JJ
39142	1125	16	very	very	RB
39142	1125	17	remarkable	remarkable	JJ
39142	1125	18	photographs	photograph	NNS
39142	1125	19	of	of	IN
39142	1125	20	nebulæ	nebulæ	NN
39142	1125	21	,	,	,
39142	1125	22	particularly	particularly	RB
39142	1125	23	in	in	IN
39142	1125	24	the	the	DT
39142	1125	25	vicinity	vicinity	NN
39142	1125	26	of	of	IN
39142	1125	27	Eta	Eta	NNP
39142	1125	28	Carinæ	Carinæ	NNP
39142	1125	29	.	.	.
39142	1126	1	But	but	CC
39142	1126	2	the	the	DT
39142	1126	3	great	great	JJ
39142	1126	4	reflectors	reflector	NNS
39142	1126	5	of	of	IN
39142	1126	6	the	the	DT
39142	1126	7	Mount	Mount	NNP
39142	1126	8	Wilson	Wilson	NNP
39142	1126	9	Observatory	Observatory	NNP
39142	1126	10	,	,	,
39142	1126	11	on	on	IN
39142	1126	12	account	account	NN
39142	1126	13	of	of	IN
39142	1126	14	their	-PRON-	PRP$
39142	1126	15	exceptional	exceptional	JJ
39142	1126	16	location	location	NN
39142	1126	17	and	and	CC
39142	1126	18	extraordinary	extraordinary	JJ
39142	1126	19	power	power	NN
39142	1126	20	,	,	,
39142	1126	21	have	have	VBP
39142	1126	22	surpassed	surpass	VBN
39142	1126	23	all	all	DT
39142	1126	24	others	other	NNS
39142	1126	25	in	in	IN
39142	1126	26	the	the	DT
39142	1126	27	photographic	photographic	JJ
39142	1126	28	portrayal	portrayal	NN
39142	1126	29	of	of	IN
39142	1126	30	these	these	DT
39142	1126	31	objects	object	NNS
39142	1126	32	,	,	,
39142	1126	33	especially	especially	RB
39142	1126	34	of	of	IN
39142	1126	35	the	the	DT
39142	1126	36	spiral	spiral	JJ
39142	1126	37	nebulæ	nebulæ	NN
39142	1126	38	which	which	WDT
39142	1126	39	appear	appear	VBP
39142	1126	40	to	to	TO
39142	1126	41	show	show	VB
39142	1126	42	all	all	DT
39142	1126	43	stages	stage	NNS
39142	1126	44	in	in	IN
39142	1126	45	transition	transition	NN
39142	1126	46	from	from	IN
39142	1126	47	nebula	nebula	NNP
39142	1126	48	to	to	IN
39142	1126	49	star	star	NNP
39142	1126	50	.	.	.
39142	1127	1	No	no	DT
39142	1127	2	less	less	RBR
39142	1127	3	remarkable	remarkable	JJ
39142	1127	4	are	be	VBP
39142	1127	5	the	the	DT
39142	1127	6	photographs	photograph	NNS
39142	1127	7	of	of	IN
39142	1127	8	such	such	JJ
39142	1127	9	wonderful	wonderful	JJ
39142	1127	10	clusters	cluster	NNS
39142	1127	11	as	as	IN
39142	1127	12	Omega	Omega	NNP
39142	1127	13	Centauri	Centauri	NNP
39142	1127	14	,	,	,
39142	1127	15	a	a	DT
39142	1127	16	perfect	perfect	JJ
39142	1127	17	visual	visual	JJ
39142	1127	18	representation	representation	NN
39142	1127	19	of	of	IN
39142	1127	20	which	which	WDT
39142	1127	21	is	be	VBZ
39142	1127	22	wholly	wholly	RB
39142	1127	23	impossible	impossible	JJ
39142	1127	24	.	.	.
39142	1128	1	Intercomparison	Intercomparison	NNP
39142	1128	2	of	of	IN
39142	1128	3	the	the	DT
39142	1128	4	photographs	photograph	NNS
39142	1128	5	of	of	IN
39142	1128	6	clusters	cluster	NNS
39142	1128	7	has	have	VBZ
39142	1128	8	afforded	afford	VBN
39142	1128	9	Bailey	Bailey	NNP
39142	1128	10	of	of	IN
39142	1128	11	Harvard	Harvard	NNP
39142	1128	12	,	,	,
39142	1128	13	Shapley	Shapley	NNP
39142	1128	14	of	of	IN
39142	1128	15	Mount	Mount	NNP
39142	1128	16	Wilson	Wilson	NNP
39142	1128	17	and	and	CC
39142	1128	18	others	other	VBZ
39142	1128	19	the	the	DT
39142	1128	20	opportunity	opportunity	NN
39142	1128	21	of	of	IN
39142	1128	22	discovery	discovery	NN
39142	1128	23	that	that	WDT
39142	1128	24	hundreds	hundred	NNS
39142	1128	25	of	of	IN
39142	1128	26	the	the	DT
39142	1128	27	component	component	NN
39142	1128	28	stars	star	NNS
39142	1128	29	are	be	VBP
39142	1128	30	variable	variable	JJ
39142	1128	31	.	.	.
39142	1129	1	What	what	WP
39142	1129	2	is	be	VBZ
39142	1129	3	the	the	DT
39142	1129	4	longest	long	JJS
39142	1129	5	photographic	photographic	JJ
39142	1129	6	exposure	exposure	NN
39142	1129	7	ever	ever	RB
39142	1129	8	made	make	VBN
39142	1129	9	?	?	.
39142	1130	1	At	at	IN
39142	1130	2	the	the	DT
39142	1130	3	Cape	Cape	NNP
39142	1130	4	of	of	IN
39142	1130	5	Good	Good	NNP
39142	1130	6	Hope	Hope	NNP
39142	1130	7	,	,	,
39142	1130	8	under	under	IN
39142	1130	9	the	the	DT
39142	1130	10	direction	direction	NN
39142	1130	11	of	of	IN
39142	1130	12	the	the	DT
39142	1130	13	late	late	JJ
39142	1130	14	Sir	Sir	NNP
39142	1130	15	David	David	NNP
39142	1130	16	Gill	Gill	NNP
39142	1130	17	,	,	,
39142	1130	18	exposures	exposure	VBZ
39142	1130	19	on	on	IN
39142	1130	20	nebulæ	nebulæ	NNS
39142	1130	21	were	be	VBD
39142	1130	22	made	make	VBN
39142	1130	23	,	,	,
39142	1130	24	utilizing	utilize	VBG
39142	1130	25	the	the	DT
39142	1130	26	best	good	JJS
39142	1130	27	part	part	NN
39142	1130	28	of	of	IN
39142	1130	29	several	several	JJ
39142	1130	30	nights	night	NNS
39142	1130	31	,	,	,
39142	1130	32	and	and	CC
39142	1130	33	totaling	total	VBG
39142	1130	34	as	as	RB
39142	1130	35	high	high	JJ
39142	1130	36	as	as	IN
39142	1130	37	seventeen	seventeen	CD
39142	1130	38	,	,	,
39142	1130	39	or	or	CC
39142	1130	40	even	even	RB
39142	1130	41	twenty	twenty	CD
39142	1130	42	-	-	HYPH
39142	1130	43	three	three	CD
39142	1130	44	hours	hour	NNS
39142	1130	45	.	.	.
39142	1131	1	But	but	CC
39142	1131	2	the	the	DT
39142	1131	3	Mount	Mount	NNP
39142	1131	4	Wilson	Wilson	NNP
39142	1131	5	observers	observer	NNS
39142	1131	6	have	have	VBP
39142	1131	7	far	far	RB
39142	1131	8	surpassed	surpass	VBN
39142	1131	9	this	this	DT
39142	1131	10	duration	duration	NN
39142	1131	11	.	.	.
39142	1132	1	To	to	TO
39142	1132	2	study	study	VB
39142	1132	3	the	the	DT
39142	1132	4	rotation	rotation	NN
39142	1132	5	and	and	CC
39142	1132	6	radial	radial	JJ
39142	1132	7	velocity	velocity	NN
39142	1132	8	of	of	IN
39142	1132	9	the	the	DT
39142	1132	10	central	central	JJ
39142	1132	11	part	part	NN
39142	1132	12	of	of	IN
39142	1132	13	the	the	DT
39142	1132	14	nebula	nebula	NN
39142	1132	15	of	of	IN
39142	1132	16	Andromeda	Andromeda	NNP
39142	1132	17	,	,	,
39142	1132	18	an	an	DT
39142	1132	19	exposure	exposure	NN
39142	1132	20	of	of	IN
39142	1132	21	no	no	DT
39142	1132	22	less	less	JJR
39142	1132	23	than	than	IN
39142	1132	24	79	79	CD
39142	1132	25	hours	hour	NNS
39142	1132	26	'	'	POS
39142	1132	27	total	total	JJ
39142	1132	28	duration	duration	NN
39142	1132	29	was	be	VBD
39142	1132	30	made	make	VBN
39142	1132	31	on	on	IN
39142	1132	32	the	the	DT
39142	1132	33	exceedingly	exceedingly	RB
39142	1132	34	faint	faint	JJ
39142	1132	35	spectrum	spectrum	NN
39142	1132	36	,	,	,
39142	1132	37	and	and	CC
39142	1132	38	even	even	RB
39142	1132	39	that	that	DT
39142	1132	40	record	record	NN
39142	1132	41	has	have	VBZ
39142	1132	42	since	since	IN
39142	1132	43	been	be	VBN
39142	1132	44	exceeded	exceed	VBN
39142	1132	45	.	.	.
39142	1133	1	The	the	DT
39142	1133	2	eye	eye	NN
39142	1133	3	can	can	MD
39142	1133	4	not	not	RB
39142	1133	5	be	be	VB
39142	1133	6	removed	remove	VBN
39142	1133	7	from	from	IN
39142	1133	8	the	the	DT
39142	1133	9	guiding	guide	VBG
39142	1133	10	star	star	NN
39142	1133	11	for	for	IN
39142	1133	12	a	a	DT
39142	1133	13	moment	moment	NN
39142	1133	14	while	while	IN
39142	1133	15	the	the	DT
39142	1133	16	exposure	exposure	NN
39142	1133	17	is	be	VBZ
39142	1133	18	in	in	IN
39142	1133	19	progress	progress	NN
39142	1133	20	,	,	,
39142	1133	21	and	and	CC
39142	1133	22	this	this	DT
39142	1133	23	tedious	tedious	JJ
39142	1133	24	piece	piece	NN
39142	1133	25	of	of	IN
39142	1133	26	work	work	NN
39142	1133	27	was	be	VBD
39142	1133	28	rewarded	reward	VBN
39142	1133	29	by	by	IN
39142	1133	30	determining	determine	VBG
39142	1133	31	the	the	DT
39142	1133	32	velocity	velocity	NN
39142	1133	33	of	of	IN
39142	1133	34	the	the	DT
39142	1133	35	center	center	NN
39142	1133	36	of	of	IN
39142	1133	37	the	the	DT
39142	1133	38	nucleus	nucleus	NN
39142	1133	39	as	as	IN
39142	1133	40	a	a	DT
39142	1133	41	motion	motion	NN
39142	1133	42	of	of	IN
39142	1133	43	approach	approach	NN
39142	1133	44	at	at	IN
39142	1133	45	the	the	DT
39142	1133	46	rate	rate	NN
39142	1133	47	of	of	IN
39142	1133	48	316	316	CD
39142	1133	49	kilometers	kilometer	NNS
39142	1133	50	per	per	IN
39142	1133	51	second	second	NN
39142	1133	52	.	.	.
39142	1134	1	But	but	CC
39142	1134	2	when	when	WRB
39142	1134	3	the	the	DT
39142	1134	4	stars	star	NNS
39142	1134	5	,	,	,
39142	1134	6	their	-PRON-	PRP$
39142	1134	7	magnitudes	magnitude	NNS
39142	1134	8	and	and	CC
39142	1134	9	their	-PRON-	PRP$
39142	1134	10	special	special	JJ
39142	1134	11	peculiarities	peculiarity	NNS
39142	1134	12	are	be	VBP
39142	1134	13	to	to	TO
39142	1134	14	be	be	VB
39142	1134	15	investigated	investigate	VBN
39142	1134	16	_	_	NNP
39142	1134	17	en	en	IN
39142	1134	18	masse	masse	NNP
39142	1134	19	_	_	NNP
39142	1134	20	,	,	,
39142	1134	21	photography	photography	NN
39142	1134	22	provides	provide	VBZ
39142	1134	23	the	the	DT
39142	1134	24	facile	facile	NN
39142	1134	25	means	mean	NNS
39142	1134	26	for	for	IN
39142	1134	27	researches	research	NNS
39142	1134	28	that	that	WDT
39142	1134	29	would	would	MD
39142	1134	30	scarcely	scarcely	RB
39142	1134	31	have	have	VB
39142	1134	32	been	be	VBN
39142	1134	33	dreamed	dream	VBN
39142	1134	34	of	of	IN
39142	1134	35	without	without	IN
39142	1134	36	it	-PRON-	PRP
39142	1134	37	.	.	.
39142	1135	1	The	the	DT
39142	1135	2	international	international	JJ
39142	1135	3	photographic	photographic	JJ
39142	1135	4	chart	chart	NN
39142	1135	5	of	of	IN
39142	1135	6	the	the	DT
39142	1135	7	entire	entire	JJ
39142	1135	8	heavens	heaven	NNS
39142	1135	9	,	,	,
39142	1135	10	in	in	IN
39142	1135	11	progress	progress	NN
39142	1135	12	at	at	IN
39142	1135	13	twenty	twenty	CD
39142	1135	14	observatories	observatory	NNS
39142	1135	15	since	since	IN
39142	1135	16	1887	1887	CD
39142	1135	17	,	,	,
39142	1135	18	the	the	DT
39142	1135	19	photographic	photographic	JJ
39142	1135	20	charts	chart	NNS
39142	1135	21	of	of	IN
39142	1135	22	the	the	DT
39142	1135	23	northern	northern	JJ
39142	1135	24	heavens	heaven	NNS
39142	1135	25	at	at	IN
39142	1135	26	Harvard	Harvard	NNP
39142	1135	27	and	and	CC
39142	1135	28	of	of	IN
39142	1135	29	the	the	DT
39142	1135	30	southern	southern	JJ
39142	1135	31	sky	sky	NN
39142	1135	32	at	at	IN
39142	1135	33	Cape	Cape	NNP
39142	1135	34	Town	Town	NNP
39142	1135	35	,	,	,
39142	1135	36	the	the	DT
39142	1135	37	manifold	manifold	JJ
39142	1135	38	investigations	investigation	NNS
39142	1135	39	that	that	WDT
39142	1135	40	have	have	VBP
39142	1135	41	led	lead	VBN
39142	1135	42	up	up	IN
39142	1135	43	to	to	IN
39142	1135	44	the	the	DT
39142	1135	45	Harvard	Harvard	NNP
39142	1135	46	photometry	photometry	NN
39142	1135	47	,	,	,
39142	1135	48	and	and	CC
39142	1135	49	the	the	DT
39142	1135	50	unparalleled	unparalleled	JJ
39142	1135	51	photographic	photographic	JJ
39142	1135	52	researches	research	NNS
39142	1135	53	of	of	IN
39142	1135	54	the	the	DT
39142	1135	55	Henry	Henry	NNP
39142	1135	56	Draper	Draper	NNP
39142	1135	57	Memorial	Memorial	NNP
39142	1135	58	,	,	,
39142	1135	59	enabling	enable	VBG
39142	1135	60	the	the	DT
39142	1135	61	spectra	spectra	NN
39142	1135	62	of	of	IN
39142	1135	63	many	many	JJ
39142	1135	64	hundred	hundred	CD
39142	1135	65	thousand	thousand	CD
39142	1135	66	stars	star	NNS
39142	1135	67	to	to	TO
39142	1135	68	be	be	VB
39142	1135	69	examined	examine	VBN
39142	1135	70	and	and	CC
39142	1135	71	classified	classify	VBN
39142	1135	72	--	--	:
39142	1135	73	all	all	PDT
39142	1135	74	this	this	DT
39142	1135	75	is	be	VBZ
39142	1135	76	but	but	CC
39142	1135	77	a	a	DT
39142	1135	78	part	part	NN
39142	1135	79	of	of	IN
39142	1135	80	the	the	DT
39142	1135	81	astronomical	astronomical	JJ
39142	1135	82	work	work	NN
39142	1135	83	in	in	IN
39142	1135	84	stellar	stellar	JJ
39142	1135	85	fields	field	NNS
39142	1135	86	that	that	WDT
39142	1135	87	photography	photography	NN
39142	1135	88	has	have	VBZ
39142	1135	89	rendered	render	VBN
39142	1135	90	possible	possible	JJ
39142	1135	91	.	.	.
39142	1136	1	Then	then	RB
39142	1136	2	there	there	EX
39142	1136	3	are	be	VBP
39142	1136	4	the	the	DT
39142	1136	5	stellar	stellar	JJ
39142	1136	6	parallaxes	parallax	NNS
39142	1136	7	,	,	,
39142	1136	8	now	now	RB
39142	1136	9	observed	observe	VBN
39142	1136	10	for	for	IN
39142	1136	11	many	many	JJ
39142	1136	12	stars	star	NNS
39142	1136	13	at	at	IN
39142	1136	14	once	once	RB
39142	1136	15	photographically	photographically	RB
39142	1136	16	,	,	,
39142	1136	17	when	when	WRB
39142	1136	18	formerly	formerly	RB
39142	1136	19	only	only	RB
39142	1136	20	one	one	CD
39142	1136	21	star	star	NN
39142	1136	22	's	's	POS
39142	1136	23	parallax	parallax	NN
39142	1136	24	could	could	MD
39142	1136	25	be	be	VB
39142	1136	26	measured	measure	VBN
39142	1136	27	at	at	IN
39142	1136	28	a	a	DT
39142	1136	29	time	time	NN
39142	1136	30	and	and	CC
39142	1136	31	with	with	IN
39142	1136	32	the	the	DT
39142	1136	33	eye	eye	NN
39142	1136	34	at	at	IN
39142	1136	35	the	the	DT
39142	1136	36	telescope	telescope	NN
39142	1136	37	.	.	.
39142	1137	1	And	and	CC
39142	1137	2	photo	photo	NN
39142	1137	3	-	-	HYPH
39142	1137	4	electric	electric	JJ
39142	1137	5	photometry	photometry	NN
39142	1137	6	,	,	,
39142	1137	7	measuring	measure	VBG
39142	1137	8	smaller	small	JJR
39142	1137	9	differences	difference	NNS
39142	1137	10	of	of	IN
39142	1137	11	light	light	NN
39142	1137	12	than	than	IN
39142	1137	13	any	any	DT
39142	1137	14	other	other	JJ
39142	1137	15	method	method	NN
39142	1137	16	,	,	,
39142	1137	17	and	and	CC
39142	1137	18	providing	provide	VBG
39142	1137	19	more	more	RBR
39142	1137	20	accurate	accurate	JJ
39142	1137	21	light	light	NN
39142	1137	22	-	-	HYPH
39142	1137	23	curves	curve	NNS
39142	1137	24	of	of	IN
39142	1137	25	the	the	DT
39142	1137	26	variable	variable	JJ
39142	1137	27	stars	star	NNS
39142	1137	28	.	.	.
39142	1138	1	And	and	CC
39142	1138	2	perhaps	perhaps	RB
39142	1138	3	most	most	RBS
39142	1138	4	remarkable	remarkable	JJ
39142	1138	5	of	of	IN
39142	1138	6	all	all	DT
39142	1138	7	,	,	,
39142	1138	8	the	the	DT
39142	1138	9	radial	radial	JJ
39142	1138	10	velocity	velocity	NN
39142	1138	11	work	work	NN
39142	1138	12	on	on	IN
39142	1138	13	both	both	DT
39142	1138	14	stars	star	NNS
39142	1138	15	and	and	CC
39142	1138	16	nebulæ	nebulæ	NN
39142	1138	17	,	,	,
39142	1138	18	giving	give	VBG
39142	1138	19	us	-PRON-	PRP
39142	1138	20	the	the	DT
39142	1138	21	distance	distance	NN
39142	1138	22	of	of	IN
39142	1138	23	whole	whole	JJ
39142	1138	24	classes	class	NNS
39142	1138	25	of	of	IN
39142	1138	26	stars	star	NNS
39142	1138	27	,	,	,
39142	1138	28	discovering	discover	VBG
39142	1138	29	large	large	JJ
39142	1138	30	numbers	number	NNS
39142	1138	31	of	of	IN
39142	1138	32	spectroscopic	spectroscopic	JJ
39142	1138	33	binaries	binary	NNS
39142	1138	34	and	and	CC
39142	1138	35	checking	check	VBG
39142	1138	36	up	up	RP
39142	1138	37	the	the	DT
39142	1138	38	motion	motion	NN
39142	1138	39	of	of	IN
39142	1138	40	the	the	DT
39142	1138	41	solar	solar	JJ
39142	1138	42	system	system	NN
39142	1138	43	toward	toward	IN
39142	1138	44	Lyra	Lyra	NNP
39142	1138	45	within	within	IN
39142	1138	46	a	a	DT
39142	1138	47	fraction	fraction	NN
39142	1138	48	of	of	IN
39142	1138	49	a	a	DT
39142	1138	50	mile	mile	NN
39142	1138	51	per	per	IN
39142	1138	52	second	second	NN
39142	1138	53	.	.	.
39142	1139	1	All	all	DT
39142	1139	2	told	tell	VBN
39142	1139	3	,	,	,
39142	1139	4	photography	photography	NN
39142	1139	5	has	have	VBZ
39142	1139	6	been	be	VBN
39142	1139	7	the	the	DT
39142	1139	8	most	most	RBS
39142	1139	9	potent	potent	JJ
39142	1139	10	adjunct	adjunct	NN
39142	1139	11	in	in	IN
39142	1139	12	astronomical	astronomical	JJ
39142	1139	13	research	research	NN
39142	1139	14	,	,	,
39142	1139	15	and	and	CC
39142	1139	16	it	-PRON-	PRP
39142	1139	17	is	be	VBZ
39142	1139	18	impossible	impossible	JJ
39142	1139	19	to	to	TO
39142	1139	20	predict	predict	VB
39142	1139	21	the	the	DT
39142	1139	22	future	future	NN
39142	1139	23	with	with	IN
39142	1139	24	more	more	RBR
39142	1139	25	powerful	powerful	JJ
39142	1139	26	apparatus	apparatus	NN
39142	1139	27	and	and	CC
39142	1139	28	photographic	photographic	JJ
39142	1139	29	processes	process	NNS
39142	1139	30	of	of	IN
39142	1139	31	higher	high	JJR
39142	1139	32	sensitiveness	sensitiveness	NN
39142	1139	33	.	.	.
39142	1140	1	The	the	DT
39142	1140	2	field	field	NN
39142	1140	3	of	of	IN
39142	1140	4	research	research	NN
39142	1140	5	is	be	VBZ
39142	1140	6	almost	almost	RB
39142	1140	7	boundless	boundless	JJ
39142	1140	8	,	,	,
39142	1140	9	and	and	CC
39142	1140	10	the	the	DT
39142	1140	11	possibilities	possibility	NNS
39142	1140	12	practically	practically	RB
39142	1140	13	without	without	IN
39142	1140	14	limit	limit	NN
39142	1140	15	.	.	.
39142	1141	1	What	what	WP
39142	1141	2	would	would	MD
39142	1141	3	Herschel	Herschel	NNP
39142	1141	4	have	have	VB
39142	1141	5	done	do	VBN
39142	1141	6	with	with	IN
39142	1141	7	£	£	$
39142	1141	8	100,000	100,000	CD
39142	1141	9	-	-	HYPH
39142	1141	10	-and	-and	NN
39142	1141	11	photography	photography	NN
39142	1141	12	!	!	.
39142	1142	1	CHAPTER	chapter	NN
39142	1142	2	XXII	XXII	NNP
39142	1142	3	MOUNTAIN	MOUNTAIN	VBD
39142	1142	4	OBSERVATORIES	observatory	NNS
39142	1142	5	The	the	DT
39142	1142	6	century	century	NN
39142	1142	7	that	that	WDT
39142	1142	8	has	have	VBZ
39142	1142	9	elapsed	elapse	VBN
39142	1142	10	since	since	IN
39142	1142	11	the	the	DT
39142	1142	12	time	time	NN
39142	1142	13	of	of	IN
39142	1142	14	Sir	Sir	NNP
39142	1142	15	William	William	NNP
39142	1142	16	Herschel	Herschel	NNP
39142	1142	17	,	,	,
39142	1142	18	known	know	VBN
39142	1142	19	as	as	IN
39142	1142	20	the	the	DT
39142	1142	21	father	father	NN
39142	1142	22	of	of	IN
39142	1142	23	the	the	DT
39142	1142	24	new	new	JJ
39142	1142	25	or	or	CC
39142	1142	26	descriptive	descriptive	JJ
39142	1142	27	astronomy	astronomy	NN
39142	1142	28	,	,	,
39142	1142	29	has	have	VBZ
39142	1142	30	witnessed	witness	VBN
39142	1142	31	all	all	PDT
39142	1142	32	the	the	DT
39142	1142	33	advances	advance	NNS
39142	1142	34	of	of	IN
39142	1142	35	the	the	DT
39142	1142	36	science	science	NN
39142	1142	37	that	that	WDT
39142	1142	38	have	have	VBP
39142	1142	39	been	be	VBN
39142	1142	40	made	make	VBN
39142	1142	41	possible	possible	JJ
39142	1142	42	by	by	IN
39142	1142	43	adopting	adopt	VBG
39142	1142	44	the	the	DT
39142	1142	45	photographic	photographic	JJ
39142	1142	46	method	method	NN
39142	1142	47	of	of	IN
39142	1142	48	making	make	VBG
39142	1142	49	the	the	DT
39142	1142	50	record	record	NN
39142	1142	51	,	,	,
39142	1142	52	instead	instead	RB
39142	1142	53	of	of	IN
39142	1142	54	depending	depend	VBG
39142	1142	55	upon	upon	IN
39142	1142	56	the	the	DT
39142	1142	57	human	human	JJ
39142	1142	58	eye	eye	NN
39142	1142	59	.	.	.
39142	1143	1	Only	only	RB
39142	1143	2	one	one	CD
39142	1143	3	eye	eye	NN
39142	1143	4	can	can	MD
39142	1143	5	be	be	VB
39142	1143	6	looking	look	VBG
39142	1143	7	at	at	IN
39142	1143	8	the	the	DT
39142	1143	9	eyepiece	eyepiece	NN
39142	1143	10	at	at	IN
39142	1143	11	a	a	DT
39142	1143	12	time	time	NN
39142	1143	13	:	:	:
39142	1143	14	the	the	DT
39142	1143	15	photograph	photograph	NN
39142	1143	16	can	can	MD
39142	1143	17	be	be	VB
39142	1143	18	studied	study	VBN
39142	1143	19	by	by	IN
39142	1143	20	a	a	DT
39142	1143	21	thousand	thousand	CD
39142	1143	22	eyes	eye	NNS
39142	1143	23	.	.	.
39142	1144	1	At	at	IN
39142	1144	2	mountain	mountain	NN
39142	1144	3	elevations	elevation	NNS
39142	1144	4	telescopes	telescope	NNS
39142	1144	5	are	be	VBP
39142	1144	6	now	now	RB
39142	1144	7	extensively	extensively	RB
39142	1144	8	employed	employ	VBN
39142	1144	9	,	,	,
39142	1144	10	and	and	CC
39142	1144	11	there	there	RB
39142	1144	12	the	the	DT
39142	1144	13	camera	camera	NN
39142	1144	14	is	be	VBZ
39142	1144	15	of	of	IN
39142	1144	16	especial	especial	JJ
39142	1144	17	and	and	CC
39142	1144	18	additional	additional	JJ
39142	1144	19	value	value	NN
39142	1144	20	,	,	,
39142	1144	21	because	because	IN
39142	1144	22	the	the	DT
39142	1144	23	photograph	photograph	NN
39142	1144	24	taken	take	VBN
39142	1144	25	on	on	IN
39142	1144	26	the	the	DT
39142	1144	27	mountain	mountain	NN
39142	1144	28	can	can	MD
39142	1144	29	be	be	VB
39142	1144	30	brought	bring	VBN
39142	1144	31	down	down	RP
39142	1144	32	for	for	IN
39142	1144	33	the	the	DT
39142	1144	34	expert	expert	NN
39142	1144	35	to	to	TO
39142	1144	36	study	study	VB
39142	1144	37	,	,	,
39142	1144	38	at	at	IN
39142	1144	39	ease	ease	NN
39142	1144	40	and	and	CC
39142	1144	41	in	in	IN
39142	1144	42	the	the	DT
39142	1144	43	comfort	comfort	NN
39142	1144	44	of	of	IN
39142	1144	45	a	a	DT
39142	1144	46	lower	low	JJR
39142	1144	47	elevation	elevation	NN
39142	1144	48	.	.	.
39142	1145	1	We	-PRON-	PRP
39142	1145	2	shall	shall	MD
39142	1145	3	next	next	IN
39142	1145	4	trace	trace	NN
39142	1145	5	the	the	DT
39142	1145	6	movement	movement	NN
39142	1145	7	that	that	WDT
39142	1145	8	has	have	VBZ
39142	1145	9	led	lead	VBN
39142	1145	10	the	the	DT
39142	1145	11	astronomer	astronomer	NN
39142	1145	12	to	to	TO
39142	1145	13	seek	seek	VB
39142	1145	14	the	the	DT
39142	1145	15	summits	summit	NNS
39142	1145	16	of	of	IN
39142	1145	17	mountains	mountain	NNS
39142	1145	18	for	for	IN
39142	1145	19	his	-PRON-	PRP$
39142	1145	20	observatories	observatory	NNS
39142	1145	21	,	,	,
39142	1145	22	and	and	CC
39142	1145	23	the	the	DT
39142	1145	24	photographer	photographer	NN
39142	1145	25	to	to	TO
39142	1145	26	follow	follow	VB
39142	1145	27	him	-PRON-	PRP
39142	1145	28	.	.	.
39142	1146	1	Not	not	RB
39142	1146	2	only	only	RB
39142	1146	3	did	do	VBD
39142	1146	4	the	the	DT
39142	1146	5	genius	genius	NN
39142	1146	6	of	of	IN
39142	1146	7	Newton	Newton	NNP
39142	1146	8	discover	discover	VBP
39142	1146	9	the	the	DT
39142	1146	10	law	law	NN
39142	1146	11	of	of	IN
39142	1146	12	universal	universal	NNP
39142	1146	13	gravitation	gravitation	NNP
39142	1146	14	,	,	,
39142	1146	15	and	and	CC
39142	1146	16	make	make	VB
39142	1146	17	the	the	DT
39142	1146	18	first	first	JJ
39142	1146	19	experiments	experiment	NNS
39142	1146	20	in	in	IN
39142	1146	21	optics	optic	NNS
39142	1146	22	essential	essential	JJ
39142	1146	23	to	to	IN
39142	1146	24	the	the	DT
39142	1146	25	invention	invention	NN
39142	1146	26	of	of	IN
39142	1146	27	the	the	DT
39142	1146	28	spectroscope	spectroscope	NN
39142	1146	29	,	,	,
39142	1146	30	but	but	CC
39142	1146	31	he	-PRON-	PRP
39142	1146	32	was	be	VBD
39142	1146	33	the	the	DT
39142	1146	34	real	real	JJ
39142	1146	35	originator	originator	NN
39142	1146	36	also	also	RB
39142	1146	37	of	of	IN
39142	1146	38	the	the	DT
39142	1146	39	modern	modern	JJ
39142	1146	40	movement	movement	NN
39142	1146	41	for	for	IN
39142	1146	42	the	the	DT
39142	1146	43	occupation	occupation	NN
39142	1146	44	of	of	IN
39142	1146	45	mountain	mountain	NN
39142	1146	46	elevations	elevation	NNS
39142	1146	47	for	for	IN
39142	1146	48	astronomical	astronomical	JJ
39142	1146	49	observatories	observatory	NNS
39142	1146	50	.	.	.
39142	1147	1	His	-PRON-	PRP$
39142	1147	2	keen	keen	JJ
39142	1147	3	mind	mind	NN
39142	1147	4	followed	follow	VBD
39142	1147	5	a	a	DT
39142	1147	6	ray	ray	NN
39142	1147	7	of	of	IN
39142	1147	8	light	light	NN
39142	1147	9	all	all	PDT
39142	1147	10	the	the	DT
39142	1147	11	way	way	NN
39142	1147	12	from	from	IN
39142	1147	13	its	-PRON-	PRP$
39142	1147	14	celestial	celestial	JJ
39142	1147	15	source	source	NN
39142	1147	16	to	to	IN
39142	1147	17	the	the	DT
39142	1147	18	eye	eye	NN
39142	1147	19	of	of	IN
39142	1147	20	the	the	DT
39142	1147	21	observer	observer	NN
39142	1147	22	,	,	,
39142	1147	23	and	and	CC
39142	1147	24	analyzed	analyze	VBD
39142	1147	25	the	the	DT
39142	1147	26	causes	cause	NNS
39142	1147	27	of	of	IN
39142	1147	28	indistinct	indistinct	JJ
39142	1147	29	and	and	CC
39142	1147	30	imperfect	imperfect	JJ
39142	1147	31	vision	vision	NN
39142	1147	32	.	.	.
39142	1148	1	Endeavoring	endeavor	VBG
39142	1148	2	to	to	TO
39142	1148	3	improve	improve	VB
39142	1148	4	on	on	IN
39142	1148	5	the	the	DT
39142	1148	6	telescope	telescope	NN
39142	1148	7	as	as	IN
39142	1148	8	Galileo	Galileo	NNP
39142	1148	9	and	and	CC
39142	1148	10	his	-PRON-	PRP$
39142	1148	11	followers	follower	NNS
39142	1148	12	had	have	VBD
39142	1148	13	left	leave	VBN
39142	1148	14	it	-PRON-	PRP
39142	1148	15	,	,	,
39142	1148	16	he	-PRON-	PRP
39142	1148	17	found	find	VBD
39142	1148	18	such	such	JJ
39142	1148	19	inherent	inherent	JJ
39142	1148	20	difficulties	difficulty	NNS
39142	1148	21	in	in	IN
39142	1148	22	glass	glass	NN
39142	1148	23	itself	-PRON-	PRP
39142	1148	24	that	that	IN
39142	1148	25	he	-PRON-	PRP
39142	1148	26	abandoned	abandon	VBD
39142	1148	27	the	the	DT
39142	1148	28	refracting	refracting	NN
39142	1148	29	type	type	NN
39142	1148	30	of	of	IN
39142	1148	31	telescope	telescope	NN
39142	1148	32	for	for	IN
39142	1148	33	the	the	DT
39142	1148	34	reflector	reflector	NN
39142	1148	35	,	,	,
39142	1148	36	to	to	IN
39142	1148	37	the	the	DT
39142	1148	38	construction	construction	NN
39142	1148	39	of	of	IN
39142	1148	40	which	which	WDT
39142	1148	41	he	-PRON-	PRP
39142	1148	42	devoted	devote	VBD
39142	1148	43	many	many	JJ
39142	1148	44	years	year	NNS
39142	1148	45	.	.	.
39142	1149	1	But	but	CC
39142	1149	2	he	-PRON-	PRP
39142	1149	3	soon	soon	RB
39142	1149	4	found	find	VBD
39142	1149	5	out	out	RP
39142	1149	6	,	,	,
39142	1149	7	what	what	WP
39142	1149	8	every	every	DT
39142	1149	9	astronomer	astronomer	NN
39142	1149	10	and	and	CC
39142	1149	11	optician	optician	NNP
39142	1149	12	knew	know	VBD
39142	1149	13	to	to	IN
39142	1149	14	their	-PRON-	PRP$
39142	1149	15	keen	keen	JJ
39142	1149	16	regret	regret	NN
39142	1149	17	,	,	,
39142	1149	18	that	that	IN
39142	1149	19	a	a	DT
39142	1149	20	telescope	telescope	NN
39142	1149	21	,	,	,
39142	1149	22	no	no	RB
39142	1149	23	matter	matter	RB
39142	1149	24	how	how	WRB
39142	1149	25	perfectly	perfectly	RB
39142	1149	26	the	the	DT
39142	1149	27	skill	skill	NN
39142	1149	28	of	of	IN
39142	1149	29	the	the	DT
39142	1149	30	optician	optician	NNP
39142	1149	31	's	's	POS
39142	1149	32	hand	hand	NN
39142	1149	33	may	may	MD
39142	1149	34	make	make	VB
39142	1149	35	it	-PRON-	PRP
39142	1149	36	,	,	,
39142	1149	37	can	can	MD
39142	1149	38	not	not	RB
39142	1149	39	perform	perform	VB
39142	1149	40	perfectly	perfectly	RB
39142	1149	41	unless	unless	IN
39142	1149	42	it	-PRON-	PRP
39142	1149	43	has	have	VBZ
39142	1149	44	an	an	DT
39142	1149	45	optically	optically	RB
39142	1149	46	perfect	perfect	JJ
39142	1149	47	atmosphere	atmosphere	NN
39142	1149	48	to	to	TO
39142	1149	49	look	look	VB
39142	1149	50	through	through	RB
39142	1149	51	.	.	.
39142	1150	1	So	so	RB
39142	1150	2	Newton	Newton	NNP
39142	1150	3	conceived	conceive	VBD
39142	1150	4	the	the	DT
39142	1150	5	idea	idea	NN
39142	1150	6	of	of	IN
39142	1150	7	a	a	DT
39142	1150	8	mountain	mountain	NN
39142	1150	9	observatory	observatory	NN
39142	1150	10	,	,	,
39142	1150	11	on	on	IN
39142	1150	12	the	the	DT
39142	1150	13	summit	summit	NN
39142	1150	14	of	of	IN
39142	1150	15	which	which	WDT
39142	1150	16	,	,	,
39142	1150	17	as	as	IN
39142	1150	18	he	-PRON-	PRP
39142	1150	19	thought	think	VBD
39142	1150	20	,	,	,
39142	1150	21	the	the	DT
39142	1150	22	air	air	NN
39142	1150	23	would	would	MD
39142	1150	24	be	be	VB
39142	1150	25	not	not	RB
39142	1150	26	only	only	RB
39142	1150	27	cloudless	cloudless	JJ
39142	1150	28	,	,	,
39142	1150	29	but	but	CC
39142	1150	30	so	so	RB
39142	1150	31	steady	steady	JJ
39142	1150	32	and	and	CC
39142	1150	33	equable	equable	JJ
39142	1150	34	that	that	IN
39142	1150	35	the	the	DT
39142	1150	36	rays	ray	NNS
39142	1150	37	of	of	IN
39142	1150	38	light	light	NN
39142	1150	39	from	from	IN
39142	1150	40	the	the	DT
39142	1150	41	heavenly	heavenly	JJ
39142	1150	42	bodies	body	NNS
39142	1150	43	might	may	MD
39142	1150	44	reach	reach	VB
39142	1150	45	the	the	DT
39142	1150	46	eye	eye	NN
39142	1150	47	undisturbed	undisturbed	JJ
39142	1150	48	by	by	IN
39142	1150	49	atmospheric	atmospheric	JJ
39142	1150	50	tremors	tremor	NNS
39142	1150	51	and	and	CC
39142	1150	52	quiverings	quivering	NNS
39142	1150	53	which	which	WDT
39142	1150	54	are	be	VBP
39142	1150	55	almost	almost	RB
39142	1150	56	always	always	RB
39142	1150	57	present	present	JJ
39142	1150	58	in	in	IN
39142	1150	59	the	the	DT
39142	1150	60	lower	low	JJR
39142	1150	61	strata	strata	NN
39142	1150	62	of	of	IN
39142	1150	63	the	the	DT
39142	1150	64	great	great	NNP
39142	1150	65	ocean	ocean	NN
39142	1150	66	of	of	IN
39142	1150	67	air	air	NN
39142	1150	68	that	that	WDT
39142	1150	69	surrounds	surround	VBZ
39142	1150	70	our	-PRON-	PRP$
39142	1150	71	planet	planet	NN
39142	1150	72	.	.	.
39142	1151	1	This	this	DT
39142	1151	2	is	be	VBZ
39142	1151	3	the	the	DT
39142	1151	4	way	way	NN
39142	1151	5	Newton	Newton	NNP
39142	1151	6	puts	put	VBZ
39142	1151	7	the	the	DT
39142	1151	8	question	question	NN
39142	1151	9	in	in	IN
39142	1151	10	his	-PRON-	PRP$
39142	1151	11	treatise	treatise	NN
39142	1151	12	on	on	IN
39142	1151	13	_	_	NNP
39142	1151	14	Opticks_--he	Opticks_--he	NNP
39142	1151	15	says	say	VBZ
39142	1151	16	:	:	:
39142	1151	17	"	"	``
39142	1151	18	The	the	DT
39142	1151	19	Air	air	NN
39142	1151	20	through	through	IN
39142	1151	21	which	which	WDT
39142	1151	22	we	-PRON-	PRP
39142	1151	23	look	look	VBP
39142	1151	24	upon	upon	IN
39142	1151	25	the	the	DT
39142	1151	26	Stars	Stars	NNPS
39142	1151	27	,	,	,
39142	1151	28	is	be	VBZ
39142	1151	29	in	in	IN
39142	1151	30	a	a	DT
39142	1151	31	perpetual	perpetual	JJ
39142	1151	32	Tremor	Tremor	NNP
39142	1151	33	;	;	:
39142	1151	34	as	as	IN
39142	1151	35	may	may	MD
39142	1151	36	be	be	VB
39142	1151	37	seen	see	VBN
39142	1151	38	by	by	IN
39142	1151	39	the	the	DT
39142	1151	40	tremulous	tremulous	JJ
39142	1151	41	Motion	Motion	NNP
39142	1151	42	of	of	IN
39142	1151	43	Shadows	Shadows	NNPS
39142	1151	44	cast	cast	VBD
39142	1151	45	from	from	IN
39142	1151	46	high	high	JJ
39142	1151	47	Towers	tower	NNS
39142	1151	48	,	,	,
39142	1151	49	and	and	CC
39142	1151	50	by	by	IN
39142	1151	51	the	the	DT
39142	1151	52	twinkling	twinkling	NN
39142	1151	53	of	of	IN
39142	1151	54	the	the	DT
39142	1151	55	fix'd	fix'd	NNS
39142	1151	56	stars	star	NNS
39142	1151	57	....	....	.
39142	1152	1	The	the	DT
39142	1152	2	only	only	JJ
39142	1152	3	remedy	remedy	NN
39142	1152	4	is	be	VBZ
39142	1152	5	a	a	DT
39142	1152	6	most	most	RBS
39142	1152	7	serene	serene	JJ
39142	1152	8	and	and	CC
39142	1152	9	quiet	quiet	JJ
39142	1152	10	Air	air	NN
39142	1152	11	,	,	,
39142	1152	12	such	such	JJ
39142	1152	13	as	as	IN
39142	1152	14	may	may	MD
39142	1152	15	perhaps	perhaps	RB
39142	1152	16	be	be	VB
39142	1152	17	found	find	VBN
39142	1152	18	on	on	IN
39142	1152	19	the	the	DT
39142	1152	20	tops	top	NNS
39142	1152	21	of	of	IN
39142	1152	22	the	the	DT
39142	1152	23	highest	high	JJS
39142	1152	24	Mountains	mountain	NNS
39142	1152	25	above	above	IN
39142	1152	26	the	the	DT
39142	1152	27	grosser	gross	JJR
39142	1152	28	Clouds	Clouds	NNPS
39142	1152	29	.	.	.
39142	1152	30	"	"	''
39142	1153	1	Newton	Newton	NNP
39142	1153	2	's	's	POS
39142	1153	3	suggestion	suggestion	NN
39142	1153	4	is	be	VBZ
39142	1153	5	that	that	IN
39142	1153	6	the	the	DT
39142	1153	7	_	_	NNP
39142	1153	8	highest	high	JJS
39142	1153	9	_	_	NNP
39142	1153	10	mountains	mountain	NNS
39142	1153	11	may	may	MD
39142	1153	12	afford	afford	VB
39142	1153	13	the	the	DT
39142	1153	14	best	good	JJS
39142	1153	15	conditions	condition	NNS
39142	1153	16	for	for	IN
39142	1153	17	tranquillity	tranquillity	NN
39142	1153	18	;	;	:
39142	1153	19	and	and	CC
39142	1153	20	it	-PRON-	PRP
39142	1153	21	is	be	VBZ
39142	1153	22	an	an	DT
39142	1153	23	interesting	interesting	JJ
39142	1153	24	coincidence	coincidence	NN
39142	1153	25	that	that	IN
39142	1153	26	the	the	DT
39142	1153	27	summits	summit	NNS
39142	1153	28	of	of	IN
39142	1153	29	the	the	DT
39142	1153	30	highest	high	JJS
39142	1153	31	mountains	mountain	NNS
39142	1153	32	,	,	,
39142	1153	33	about	about	RB
39142	1153	34	30,000	30,000	CD
39142	1153	35	feet	foot	NNS
39142	1153	36	in	in	IN
39142	1153	37	elevation	elevation	NN
39142	1153	38	,	,	,
39142	1153	39	are	be	VBP
39142	1153	40	at	at	IN
39142	1153	41	about	about	IN
39142	1153	42	the	the	DT
39142	1153	43	same	same	JJ
39142	1153	44	level	level	NN
39142	1153	45	where	where	WRB
39142	1153	46	the	the	DT
39142	1153	47	turbulence	turbulence	NN
39142	1153	48	of	of	IN
39142	1153	49	the	the	DT
39142	1153	50	atmosphere	atmosphere	NN
39142	1153	51	most	most	RBS
39142	1153	52	likely	likely	JJ
39142	1153	53	ceases	cease	NNS
39142	1153	54	,	,	,
39142	1153	55	according	accord	VBG
39142	1153	56	to	to	IN
39142	1153	57	the	the	DT
39142	1153	58	indications	indication	NNS
39142	1153	59	of	of	IN
39142	1153	60	recent	recent	JJ
39142	1153	61	meteorological	meteorological	JJ
39142	1153	62	research	research	NN
39142	1153	63	.	.	.
39142	1154	1	These	these	DT
39142	1154	2	heights	height	NNS
39142	1154	3	are	be	VBP
39142	1154	4	far	far	RB
39142	1154	5	above	above	IN
39142	1154	6	any	any	DT
39142	1154	7	elevations	elevation	NNS
39142	1154	8	permanently	permanently	RB
39142	1154	9	occupied	occupy	VBN
39142	1154	10	as	as	IN
39142	1154	11	yet	yet	RB
39142	1154	12	,	,	,
39142	1154	13	but	but	CC
39142	1154	14	a	a	DT
39142	1154	15	good	good	JJ
39142	1154	16	beginning	beginning	NN
39142	1154	17	has	have	VBZ
39142	1154	18	been	be	VBN
39142	1154	19	made	make	VBN
39142	1154	20	and	and	CC
39142	1154	21	results	result	NNS
39142	1154	22	of	of	IN
39142	1154	23	great	great	JJ
39142	1154	24	value	value	NN
39142	1154	25	have	have	VBP
39142	1154	26	already	already	RB
39142	1154	27	been	be	VBN
39142	1154	28	reached	reach	VBN
39142	1154	29	.	.	.
39142	1155	1	Curiously	curiously	RB
39142	1155	2	,	,	,
39142	1155	3	investigation	investigation	NN
39142	1155	4	of	of	IN
39142	1155	5	mountain	mountain	NN
39142	1155	6	peaks	peak	NNS
39142	1155	7	and	and	CC
39142	1155	8	their	-PRON-	PRP$
39142	1155	9	suitability	suitability	NN
39142	1155	10	for	for	IN
39142	1155	11	this	this	DT
39142	1155	12	purpose	purpose	NN
39142	1155	13	was	be	VBD
39142	1155	14	not	not	RB
39142	1155	15	undertaken	undertake	VBN
39142	1155	16	till	till	IN
39142	1155	17	nearly	nearly	RB
39142	1155	18	two	two	CD
39142	1155	19	centuries	century	NNS
39142	1155	20	after	after	IN
39142	1155	21	Newton	Newton	NNP
39142	1155	22	,	,	,
39142	1155	23	when	when	WRB
39142	1155	24	Piazzi	Piazzi	NNP
39142	1155	25	Smyth	Smyth	NNP
39142	1155	26	in	in	IN
39142	1155	27	1856	1856	CD
39142	1155	28	organized	organize	VBD
39142	1155	29	his	-PRON-	PRP$
39142	1155	30	expedition	expedition	NN
39142	1155	31	to	to	IN
39142	1155	32	the	the	DT
39142	1155	33	summit	summit	NN
39142	1155	34	of	of	IN
39142	1155	35	a	a	DT
39142	1155	36	mountain	mountain	NN
39142	1155	37	of	of	IN
39142	1155	38	quite	quite	RB
39142	1155	39	moderate	moderate	JJ
39142	1155	40	elevation	elevation	NN
39142	1155	41	,	,	,
39142	1155	42	and	and	CC
39142	1155	43	published	publish	VBD
39142	1155	44	his	-PRON-	PRP$
39142	1155	45	"	"	``
39142	1155	46	Teneriffe	Teneriffe	NNP
39142	1155	47	:	:	:
39142	1155	48	an	an	DT
39142	1155	49	Astronomer	Astronomer	NNP
39142	1155	50	's	's	POS
39142	1155	51	Experiment	Experiment	NNP
39142	1155	52	.	.	.
39142	1155	53	"	"	''
39142	1156	1	Teneriffe	Teneriffe	NNP
39142	1156	2	is	be	VBZ
39142	1156	3	an	an	DT
39142	1156	4	accessible	accessible	JJ
39142	1156	5	peak	peak	NN
39142	1156	6	of	of	IN
39142	1156	7	about	about	RB
39142	1156	8	10,000	10,000	CD
39142	1156	9	feet	foot	NNS
39142	1156	10	,	,	,
39142	1156	11	on	on	IN
39142	1156	12	an	an	DT
39142	1156	13	island	island	NN
39142	1156	14	of	of	IN
39142	1156	15	the	the	DT
39142	1156	16	Canaries	canary	NNS
39142	1156	17	off	off	IN
39142	1156	18	the	the	DT
39142	1156	19	African	african	JJ
39142	1156	20	coast	coast	NN
39142	1156	21	,	,	,
39142	1156	22	where	where	WRB
39142	1156	23	Smyth	Smyth	NNP
39142	1156	24	fancied	fancy	VBD
39142	1156	25	that	that	IN
39142	1156	26	conditions	condition	NNS
39142	1156	27	of	of	IN
39142	1156	28	equability	equability	NN
39142	1156	29	would	would	MD
39142	1156	30	exist	exist	VB
39142	1156	31	;	;	:
39142	1156	32	and	and	CC
39142	1156	33	on	on	IN
39142	1156	34	reaching	reach	VBG
39142	1156	35	the	the	DT
39142	1156	36	summit	summit	NN
39142	1156	37	with	with	IN
39142	1156	38	his	-PRON-	PRP$
39142	1156	39	apparatus	apparatus	NN
39142	1156	40	and	and	CC
39142	1156	41	spending	spend	VBG
39142	1156	42	a	a	DT
39142	1156	43	few	few	JJ
39142	1156	44	days	day	NNS
39142	1156	45	and	and	CC
39142	1156	46	nights	night	NNS
39142	1156	47	there	there	RB
39142	1156	48	,	,	,
39142	1156	49	he	-PRON-	PRP
39142	1156	50	was	be	VBD
39142	1156	51	not	not	RB
39142	1156	52	disappointed	disappointed	JJ
39142	1156	53	.	.	.
39142	1157	1	Could	Could	MD
39142	1157	2	he	-PRON-	PRP
39142	1157	3	have	have	VB
39142	1157	4	reached	reach	VBN
39142	1157	5	an	an	DT
39142	1157	6	elevation	elevation	NN
39142	1157	7	of	of	IN
39142	1157	8	13,000	13,000	CD
39142	1157	9	feet	foot	NNS
39142	1157	10	,	,	,
39142	1157	11	he	-PRON-	PRP
39142	1157	12	would	would	MD
39142	1157	13	have	have	VB
39142	1157	14	had	have	VBN
39142	1157	15	fully	fully	RB
39142	1157	16	one	one	CD
39142	1157	17	-	-	HYPH
39142	1157	18	third	third	NN
39142	1157	19	of	of	IN
39142	1157	20	all	all	PDT
39142	1157	21	the	the	DT
39142	1157	22	atmosphere	atmosphere	NN
39142	1157	23	in	in	IN
39142	1157	24	weight	weight	NN
39142	1157	25	below	below	IN
39142	1157	26	him	-PRON-	PRP
39142	1157	27	,	,	,
39142	1157	28	and	and	CC
39142	1157	29	that	that	IN
39142	1157	30	the	the	DT
39142	1157	31	most	most	RBS
39142	1157	32	turbulent	turbulent	JJ
39142	1157	33	portion	portion	NN
39142	1157	34	of	of	IN
39142	1157	35	all	all	DT
39142	1157	36	.	.	.
39142	1158	1	Nevertheless	nevertheless	RB
39142	1158	2	,	,	,
39142	1158	3	the	the	DT
39142	1158	4	gain	gain	NN
39142	1158	5	in	in	IN
39142	1158	6	steadiness	steadiness	NN
39142	1158	7	of	of	IN
39142	1158	8	the	the	DT
39142	1158	9	atmosphere	atmosphere	NN
39142	1158	10	,	,	,
39142	1158	11	providing	provide	VBG
39142	1158	12	"	"	``
39142	1158	13	better	well	JJR
39142	1158	14	seeing	seeing	NN
39142	1158	15	,	,	,
39142	1158	16	"	"	''
39142	1158	17	as	as	IN
39142	1158	18	the	the	DT
39142	1158	19	astronomer	astronomer	NN
39142	1158	20	's	's	POS
39142	1158	21	expression	expression	NN
39142	1158	22	is	be	VBZ
39142	1158	23	,	,	,
39142	1158	24	even	even	RB
39142	1158	25	at	at	IN
39142	1158	26	10,000	10,000	CD
39142	1158	27	feet	foot	NNS
39142	1158	28	,	,	,
39142	1158	29	was	be	VBD
39142	1158	30	most	most	RBS
39142	1158	31	encouraging	encouraging	JJ
39142	1158	32	,	,	,
39142	1158	33	and	and	CC
39142	1158	34	led	lead	VBD
39142	1158	35	to	to	IN
39142	1158	36	attempts	attempt	NNS
39142	1158	37	on	on	IN
39142	1158	38	other	other	JJ
39142	1158	39	peaks	peak	NNS
39142	1158	40	by	by	IN
39142	1158	41	other	other	JJ
39142	1158	42	astronomers	astronomer	NNS
39142	1158	43	,	,	,
39142	1158	44	a	a	DT
39142	1158	45	few	few	JJ
39142	1158	46	of	of	IN
39142	1158	47	whom	whom	WP
39142	1158	48	we	-PRON-	PRP
39142	1158	49	shall	shall	MD
39142	1158	50	mention	mention	VB
39142	1158	51	.	.	.
39142	1159	1	Davidson	Davidson	NNP
39142	1159	2	,	,	,
39142	1159	3	an	an	DT
39142	1159	4	observer	observer	NN
39142	1159	5	of	of	IN
39142	1159	6	the	the	DT
39142	1159	7	United	United	NNP
39142	1159	8	States	States	NNP
39142	1159	9	Coast	Coast	NNP
39142	1159	10	Survey	Survey	NNP
39142	1159	11	,	,	,
39142	1159	12	with	with	IN
39142	1159	13	a	a	DT
39142	1159	14	broad	broad	JJ
39142	1159	15	experience	experience	NN
39142	1159	16	of	of	IN
39142	1159	17	many	many	JJ
39142	1159	18	years	year	NNS
39142	1159	19	in	in	IN
39142	1159	20	mountain	mountain	NN
39142	1159	21	observing	observing	NN
39142	1159	22	,	,	,
39142	1159	23	investigated	investigate	VBD
39142	1159	24	the	the	DT
39142	1159	25	summit	summit	NN
39142	1159	26	of	of	IN
39142	1159	27	the	the	DT
39142	1159	28	Sierra	Sierra	NNP
39142	1159	29	Nevada	Nevada	NNP
39142	1159	30	mountains	mountain	NNS
39142	1159	31	as	as	RB
39142	1159	32	early	early	RB
39142	1159	33	as	as	IN
39142	1159	34	1872	1872	CD
39142	1159	35	,	,	,
39142	1159	36	at	at	IN
39142	1159	37	an	an	DT
39142	1159	38	elevation	elevation	NN
39142	1159	39	of	of	IN
39142	1159	40	7,200	7,200	CD
39142	1159	41	feet	foot	NNS
39142	1159	42	.	.	.
39142	1160	1	His	-PRON-	PRP$
39142	1160	2	especial	especial	JJ
39142	1160	3	object	object	NN
39142	1160	4	was	be	VBD
39142	1160	5	to	to	TO
39142	1160	6	make	make	VB
39142	1160	7	an	an	DT
39142	1160	8	accurate	accurate	JJ
39142	1160	9	comparison	comparison	NN
39142	1160	10	between	between	IN
39142	1160	11	elevated	elevated	JJ
39142	1160	12	stations	station	NNS
39142	1160	13	at	at	IN
39142	1160	14	different	different	JJ
39142	1160	15	heights	height	NNS
39142	1160	16	.	.	.
39142	1161	1	He	-PRON-	PRP
39142	1161	2	found	find	VBD
39142	1161	3	the	the	DT
39142	1161	4	seeing	seeing	NN
39142	1161	5	excellent	excellent	JJ
39142	1161	6	,	,	,
39142	1161	7	especially	especially	RB
39142	1161	8	on	on	IN
39142	1161	9	the	the	DT
39142	1161	10	sun	sun	NN
39142	1161	11	;	;	:
39142	1161	12	but	but	CC
39142	1161	13	the	the	DT
39142	1161	14	excessive	excessive	JJ
39142	1161	15	snowfall	snowfall	NN
39142	1161	16	at	at	IN
39142	1161	17	his	-PRON-	PRP$
39142	1161	18	station	station	NN
39142	1161	19	,	,	,
39142	1161	20	45	45	CD
39142	1161	21	feet	foot	NNS
39142	1161	22	annually	annually	RB
39142	1161	23	,	,	,
39142	1161	24	was	be	VBD
39142	1161	25	a	a	DT
39142	1161	26	condition	condition	NN
39142	1161	27	very	very	RB
39142	1161	28	adverse	adverse	RB
39142	1161	29	to	to	IN
39142	1161	30	permanent	permanent	JJ
39142	1161	31	occupation	occupation	NN
39142	1161	32	.	.	.
39142	1162	1	In	in	IN
39142	1162	2	the	the	DT
39142	1162	3	summer	summer	NN
39142	1162	4	of	of	IN
39142	1162	5	1872	1872	CD
39142	1162	6	,	,	,
39142	1162	7	Young	Young	NNP
39142	1162	8	spent	spend	VBD
39142	1162	9	several	several	JJ
39142	1162	10	weeks	week	NNS
39142	1162	11	at	at	IN
39142	1162	12	Sherman	Sherman	NNP
39142	1162	13	,	,	,
39142	1162	14	Wyoming	Wyoming	NNP
39142	1162	15	,	,	,
39142	1162	16	at	at	IN
39142	1162	17	an	an	DT
39142	1162	18	elevation	elevation	NN
39142	1162	19	exceeding	exceed	VBG
39142	1162	20	8,300	8,300	CD
39142	1162	21	feet	foot	NNS
39142	1162	22	.	.	.
39142	1163	1	He	-PRON-	PRP
39142	1163	2	carried	carry	VBD
39142	1163	3	with	with	IN
39142	1163	4	him	-PRON-	PRP
39142	1163	5	the	the	DT
39142	1163	6	9.4-inch	9.4-inch	CD
39142	1163	7	telescope	telescope	NN
39142	1163	8	of	of	IN
39142	1163	9	Dartmouth	Dartmouth	NNP
39142	1163	10	College	College	NNP
39142	1163	11	,	,	,
39142	1163	12	where	where	WRB
39142	1163	13	he	-PRON-	PRP
39142	1163	14	was	be	VBD
39142	1163	15	then	then	RB
39142	1163	16	professor	professor	NN
39142	1163	17	,	,	,
39142	1163	18	and	and	CC
39142	1163	19	this	this	DT
39142	1163	20	was	be	VBD
39142	1163	21	the	the	DT
39142	1163	22	first	first	JJ
39142	1163	23	expedition	expedition	NN
39142	1163	24	on	on	IN
39142	1163	25	which	which	WDT
39142	1163	26	a	a	DT
39142	1163	27	large	large	JJ
39142	1163	28	glass	glass	NN
39142	1163	29	was	be	VBD
39142	1163	30	used	use	VBN
39142	1163	31	by	by	IN
39142	1163	32	a	a	DT
39142	1163	33	very	very	RB
39142	1163	34	skillful	skillful	JJ
39142	1163	35	observer	observer	NN
39142	1163	36	at	at	IN
39142	1163	37	great	great	JJ
39142	1163	38	elevation	elevation	NN
39142	1163	39	.	.	.
39142	1164	1	He	-PRON-	PRP
39142	1164	2	found	find	VBD
39142	1164	3	the	the	DT
39142	1164	4	number	number	NN
39142	1164	5	of	of	IN
39142	1164	6	good	good	JJ
39142	1164	7	days	day	NNS
39142	1164	8	and	and	CC
39142	1164	9	nights	night	NNS
39142	1164	10	small	small	JJ
39142	1164	11	,	,	,
39142	1164	12	but	but	CC
39142	1164	13	the	the	DT
39142	1164	14	sky	sky	NN
39142	1164	15	was	be	VBD
39142	1164	16	exceedingly	exceedingly	RB
39142	1164	17	favorable	favorable	JJ
39142	1164	18	when	when	WRB
39142	1164	19	clear	clear	JJ
39142	1164	20	.	.	.
39142	1165	1	Many	many	JJ
39142	1165	2	7th	7th	JJ
39142	1165	3	magnitude	magnitude	NN
39142	1165	4	stars	star	NNS
39142	1165	5	could	could	MD
39142	1165	6	be	be	VB
39142	1165	7	detected	detect	VBN
39142	1165	8	with	with	IN
39142	1165	9	the	the	DT
39142	1165	10	naked	naked	JJ
39142	1165	11	eye	eye	NN
39142	1165	12	.	.	.
39142	1166	1	Young	Young	NNP
39142	1166	2	's	's	POS
39142	1166	3	observations	observation	NNS
39142	1166	4	at	at	IN
39142	1166	5	Sherman	Sherman	NNP
39142	1166	6	were	be	VBD
39142	1166	7	mainly	mainly	RB
39142	1166	8	spectroscopic	spectroscopic	JJ
39142	1166	9	,	,	,
39142	1166	10	however	however	RB
39142	1166	11	,	,	,
39142	1166	12	and	and	CC
39142	1166	13	they	-PRON-	PRP
39142	1166	14	demonstrated	demonstrate	VBD
39142	1166	15	the	the	DT
39142	1166	16	immense	immense	JJ
39142	1166	17	advantage	advantage	NN
39142	1166	18	of	of	IN
39142	1166	19	a	a	DT
39142	1166	20	high	high	JJ
39142	1166	21	-	-	HYPH
39142	1166	22	level	level	NN
39142	1166	23	station	station	NN
39142	1166	24	,	,	,
39142	1166	25	far	far	RB
39142	1166	26	above	above	IN
39142	1166	27	the	the	DT
39142	1166	28	dust	dust	NN
39142	1166	29	and	and	CC
39142	1166	30	haze	haze	NN
39142	1166	31	of	of	IN
39142	1166	32	the	the	DT
39142	1166	33	lower	low	JJR
39142	1166	34	atmosphere	atmosphere	NN
39142	1166	35	.	.	.
39142	1167	1	He	-PRON-	PRP
39142	1167	2	pronounced	pronounce	VBD
39142	1167	3	the	the	DT
39142	1167	4	9.4-inch	9.4-inch	CD
39142	1167	5	glass	glass	NN
39142	1167	6	at	at	IN
39142	1167	7	8,000	8,000	CD
39142	1167	8	feet	foot	NNS
39142	1167	9	the	the	DT
39142	1167	10	full	full	JJ
39142	1167	11	equivalent	equivalent	NN
39142	1167	12	of	of	IN
39142	1167	13	a	a	DT
39142	1167	14	12-inch	12-inch	CD
39142	1167	15	at	at	IN
39142	1167	16	sea	sea	NN
39142	1167	17	level	level	NN
39142	1167	18	.	.	.
39142	1168	1	Mont	Mont	NNP
39142	1168	2	Blanc	Blanc	NNP
39142	1168	3	of	of	IN
39142	1168	4	15,000	15,000	CD
39142	1168	5	feet	foot	NNS
39142	1168	6	elevation	elevation	NN
39142	1168	7	was	be	VBD
39142	1168	8	another	another	DT
39142	1168	9	summit	summit	NN
39142	1168	10	where	where	WRB
39142	1168	11	the	the	DT
39142	1168	12	veteran	veteran	NN
39142	1168	13	Janssen	Janssen	NNP
39142	1168	14	of	of	IN
39142	1168	15	Paris	Paris	NNP
39142	1168	16	maintained	maintain	VBD
39142	1168	17	a	a	DT
39142	1168	18	station	station	NN
39142	1168	19	for	for	IN
39142	1168	20	many	many	JJ
39142	1168	21	years	year	NNS
39142	1168	22	;	;	:
39142	1168	23	but	but	CC
39142	1168	24	the	the	DT
39142	1168	25	continental	continental	JJ
39142	1168	26	conditions	condition	NNS
39142	1168	27	of	of	IN
39142	1168	28	atmospheric	atmospheric	JJ
39142	1168	29	moisture	moisture	NN
39142	1168	30	and	and	CC
39142	1168	31	circulation	circulation	NN
39142	1168	32	were	be	VBD
39142	1168	33	not	not	RB
39142	1168	34	favorable	favorable	JJ
39142	1168	35	on	on	IN
39142	1168	36	the	the	DT
39142	1168	37	whole	whole	NN
39142	1168	38	.	.	.
39142	1169	1	Janssen	Janssen	NNP
39142	1169	2	was	be	VBD
39142	1169	3	mainly	mainly	RB
39142	1169	4	interested	interested	JJ
39142	1169	5	in	in	IN
39142	1169	6	the	the	DT
39142	1169	7	sun	sun	NN
39142	1169	8	,	,	,
39142	1169	9	and	and	CC
39142	1169	10	the	the	DT
39142	1169	11	daylight	daylight	NN
39142	1169	12	seeing	seeing	NN
39142	1169	13	is	be	VBZ
39142	1169	14	rarely	rarely	RB
39142	1169	15	benefited	benefit	VBN
39142	1169	16	,	,	,
39142	1169	17	owing	owe	VBG
39142	1169	18	to	to	IN
39142	1169	19	the	the	DT
39142	1169	20	strong	strong	JJ
39142	1169	21	upward	upward	JJ
39142	1169	22	currents	current	NNS
39142	1169	23	of	of	IN
39142	1169	24	warm	warm	JJ
39142	1169	25	air	air	NN
39142	1169	26	set	set	VBN
39142	1169	27	in	in	IN
39142	1169	28	motion	motion	NN
39142	1169	29	by	by	IN
39142	1169	30	the	the	DT
39142	1169	31	sun	sun	NN
39142	1169	32	itself	-PRON-	PRP
39142	1169	33	.	.	.
39142	1170	1	Mountains	mountain	NNS
39142	1170	2	in	in	IN
39142	1170	3	the	the	DT
39142	1170	4	beautiful	beautiful	JJ
39142	1170	5	climate	climate	NN
39142	1170	6	of	of	IN
39142	1170	7	California	California	NNP
39142	1170	8	were	be	VBD
39142	1170	9	among	among	IN
39142	1170	10	the	the	DT
39142	1170	11	earliest	early	JJS
39142	1170	12	investigated	investigate	VBN
39142	1170	13	,	,	,
39142	1170	14	and	and	CC
39142	1170	15	when	when	WRB
39142	1170	16	in	in	IN
39142	1170	17	1874	1874	CD
39142	1170	18	the	the	DT
39142	1170	19	trustees	trustee	NNS
39142	1170	20	of	of	IN
39142	1170	21	Mr.	Mr.	NNP
39142	1170	22	James	James	NNP
39142	1170	23	Lick	Lick	NNP
39142	1170	24	's	's	POS
39142	1170	25	estate	estate	NN
39142	1170	26	were	be	VBD
39142	1170	27	charged	charge	VBN
39142	1170	28	with	with	IN
39142	1170	29	equipping	equip	VBG
39142	1170	30	an	an	DT
39142	1170	31	observatory	observatory	NN
39142	1170	32	with	with	IN
39142	1170	33	the	the	DT
39142	1170	34	most	most	RBS
39142	1170	35	powerful	powerful	JJ
39142	1170	36	telescope	telescope	NN
39142	1170	37	in	in	IN
39142	1170	38	existence	existence	NN
39142	1170	39	,	,	,
39142	1170	40	they	-PRON-	PRP
39142	1170	41	wisely	wisely	RB
39142	1170	42	located	locate	VBD
39142	1170	43	on	on	IN
39142	1170	44	the	the	DT
39142	1170	45	summit	summit	NN
39142	1170	46	of	of	IN
39142	1170	47	Mount	Mount	NNP
39142	1170	48	Hamilton	Hamilton	NNP
39142	1170	49	.	.	.
39142	1171	1	It	-PRON-	PRP
39142	1171	2	is	be	VBZ
39142	1171	3	4,300	4,300	CD
39142	1171	4	feet	foot	NNS
39142	1171	5	above	above	IN
39142	1171	6	sea	sea	NN
39142	1171	7	level	level	NN
39142	1171	8	,	,	,
39142	1171	9	and	and	CC
39142	1171	10	Burnham	Burnham	NNP
39142	1171	11	and	and	CC
39142	1171	12	other	other	JJ
39142	1171	13	astronomers	astronomer	NNS
39142	1171	14	made	make	VBD
39142	1171	15	critical	critical	JJ
39142	1171	16	tests	test	NNS
39142	1171	17	of	of	IN
39142	1171	18	the	the	DT
39142	1171	19	steadiness	steadiness	NN
39142	1171	20	of	of	IN
39142	1171	21	vision	vision	NN
39142	1171	22	there	there	RB
39142	1171	23	by	by	IN
39142	1171	24	observing	observe	VBG
39142	1171	25	double	double	JJ
39142	1171	26	stars	star	NNS
39142	1171	27	,	,	,
39142	1171	28	which	which	WDT
39142	1171	29	afford	afford	VBP
39142	1171	30	perhaps	perhaps	RB
39142	1171	31	the	the	DT
39142	1171	32	best	good	JJS
39142	1171	33	means	mean	NNS
39142	1171	34	of	of	IN
39142	1171	35	comparing	compare	VBG
39142	1171	36	the	the	DT
39142	1171	37	optical	optical	JJ
39142	1171	38	quality	quality	NN
39142	1171	39	of	of	IN
39142	1171	40	the	the	DT
39142	1171	41	atmosphere	atmosphere	NN
39142	1171	42	of	of	IN
39142	1171	43	one	one	CD
39142	1171	44	region	region	NN
39142	1171	45	with	with	IN
39142	1171	46	another	another	DT
39142	1171	47	.	.	.
39142	1172	1	The	the	DT
39142	1172	2	writer	writer	NN
39142	1172	3	was	be	VBD
39142	1172	4	fortunate	fortunate	JJ
39142	1172	5	in	in	IN
39142	1172	6	having	have	VBG
39142	1172	7	charge	charge	NN
39142	1172	8	of	of	IN
39142	1172	9	the	the	DT
39142	1172	10	observations	observation	NNS
39142	1172	11	of	of	IN
39142	1172	12	the	the	DT
39142	1172	13	transit	transit	NN
39142	1172	14	of	of	IN
39142	1172	15	Venus	Venus	NNP
39142	1172	16	in	in	IN
39142	1172	17	1882	1882	CD
39142	1172	18	on	on	IN
39142	1172	19	the	the	DT
39142	1172	20	mountain	mountain	NN
39142	1172	21	,	,	,
39142	1172	22	when	when	WRB
39142	1172	23	the	the	DT
39142	1172	24	Observatory	Observatory	NNP
39142	1172	25	was	be	VBD
39142	1172	26	in	in	IN
39142	1172	27	process	process	NN
39142	1172	28	of	of	IN
39142	1172	29	construction	construction	NN
39142	1172	30	,	,	,
39142	1172	31	and	and	CC
39142	1172	32	the	the	DT
39142	1172	33	quality	quality	NN
39142	1172	34	of	of	IN
39142	1172	35	the	the	DT
39142	1172	36	photographs	photograph	NNS
39142	1172	37	obtained	obtain	VBN
39142	1172	38	on	on	IN
39142	1172	39	that	that	DT
39142	1172	40	occasion	occasion	NN
39142	1172	41	demonstrated	demonstrate	VBD
39142	1172	42	anew	anew	RB
39142	1172	43	the	the	DT
39142	1172	44	excellence	excellence	NN
39142	1172	45	of	of	IN
39142	1172	46	the	the	DT
39142	1172	47	site	site	NN
39142	1172	48	.	.	.
39142	1173	1	Particularly	particularly	RB
39142	1173	2	at	at	IN
39142	1173	3	night	night	NN
39142	1173	4	,	,	,
39142	1173	5	for	for	IN
39142	1173	6	about	about	RB
39142	1173	7	nine	nine	CD
39142	1173	8	months	month	NNS
39142	1173	9	of	of	IN
39142	1173	10	the	the	DT
39142	1173	11	year	year	NN
39142	1173	12	,	,	,
39142	1173	13	the	the	DT
39142	1173	14	seeing	seeing	NN
39142	1173	15	is	be	VBZ
39142	1173	16	exceptionally	exceptionally	RB
39142	1173	17	good	good	JJ
39142	1173	18	,	,	,
39142	1173	19	especially	especially	RB
39142	1173	20	when	when	WRB
39142	1173	21	fog	fog	NN
39142	1173	22	banks	bank	NNS
39142	1173	23	rolling	roll	VBG
39142	1173	24	in	in	RB
39142	1173	25	from	from	IN
39142	1173	26	the	the	DT
39142	1173	27	Pacific	Pacific	NNP
39142	1173	28	,	,	,
39142	1173	29	cover	cover	VB
39142	1173	30	the	the	DT
39142	1173	31	valleys	valley	NNS
39142	1173	32	below	below	RB
39142	1173	33	like	like	IN
39142	1173	34	a	a	DT
39142	1173	35	blanket	blanket	NN
39142	1173	36	,	,	,
39142	1173	37	preventing	prevent	VBG
39142	1173	38	harmful	harmful	JJ
39142	1173	39	radiation	radiation	NN
39142	1173	40	from	from	IN
39142	1173	41	the	the	DT
39142	1173	42	soil	soil	NN
39142	1173	43	below	below	RB
39142	1173	44	.	.	.
39142	1174	1	The	the	DT
39142	1174	2	great	great	JJ
39142	1174	3	telescope	telescope	NN
39142	1174	4	mounted	mount	VBD
39142	1174	5	in	in	IN
39142	1174	6	1888	1888	CD
39142	1174	7	,	,	,
39142	1174	8	a	a	DT
39142	1174	9	36-inch	36-inch	CD
39142	1174	10	refractor	refractor	NN
39142	1174	11	by	by	IN
39142	1174	12	Alvan	Alvan	NNP
39142	1174	13	Clark	Clark	NNP
39142	1174	14	,	,	,
39142	1174	15	has	have	VBZ
39142	1174	16	fulfilled	fulfil	VBN
39142	1174	17	every	every	DT
39142	1174	18	expectation	expectation	NN
39142	1174	19	of	of	IN
39142	1174	20	its	-PRON-	PRP$
39142	1174	21	projectors	projector	NNS
39142	1174	22	,	,	,
39142	1174	23	and	and	CC
39142	1174	24	justified	justify	VBD
39142	1174	25	the	the	DT
39142	1174	26	selection	selection	NN
39142	1174	27	of	of	IN
39142	1174	28	the	the	DT
39142	1174	29	site	site	NN
39142	1174	30	in	in	IN
39142	1174	31	every	every	DT
39142	1174	32	particular	particular	NN
39142	1174	33	.	.	.
39142	1175	1	The	the	DT
39142	1175	2	elevation	elevation	NN
39142	1175	3	,	,	,
39142	1175	4	although	although	IN
39142	1175	5	moderate	moderate	JJ
39142	1175	6	,	,	,
39142	1175	7	is	be	VBZ
39142	1175	8	still	still	RB
39142	1175	9	high	high	JJ
39142	1175	10	enough	enough	RB
39142	1175	11	to	to	TO
39142	1175	12	secure	secure	VB
39142	1175	13	very	very	RB
39142	1175	14	marked	marked	JJ
39142	1175	15	advantage	advantage	NN
39142	1175	16	in	in	IN
39142	1175	17	clearness	clearness	NN
39142	1175	18	and	and	CC
39142	1175	19	steadiness	steadiness	NN
39142	1175	20	of	of	IN
39142	1175	21	the	the	DT
39142	1175	22	air	air	NN
39142	1175	23	,	,	,
39142	1175	24	and	and	CC
39142	1175	25	at	at	IN
39142	1175	26	the	the	DT
39142	1175	27	same	same	JJ
39142	1175	28	time	time	NN
39142	1175	29	not	not	RB
39142	1175	30	so	so	RB
39142	1175	31	high	high	JJ
39142	1175	32	that	that	IN
39142	1175	33	the	the	DT
39142	1175	34	health	health	NN
39142	1175	35	and	and	CC
39142	1175	36	activities	activity	NNS
39142	1175	37	of	of	IN
39142	1175	38	the	the	DT
39142	1175	39	observers	observer	NNS
39142	1175	40	are	be	VBP
39142	1175	41	appreciably	appreciably	RB
39142	1175	42	affected	affect	VBN
39142	1175	43	by	by	IN
39142	1175	44	the	the	DT
39142	1175	45	thinner	thin	JJR
39142	1175	46	air	air	NN
39142	1175	47	of	of	IN
39142	1175	48	the	the	DT
39142	1175	49	summit	summit	NN
39142	1175	50	.	.	.
39142	1176	1	This	this	DT
39142	1176	2	telescope	telescope	NN
39142	1176	3	is	be	VBZ
39142	1176	4	known	know	VBN
39142	1176	5	the	the	DT
39142	1176	6	world	world	NN
39142	1176	7	over	over	RP
39142	1176	8	for	for	IN
39142	1176	9	the	the	DT
39142	1176	10	monumental	monumental	JJ
39142	1176	11	contributions	contribution	NNS
39142	1176	12	to	to	TO
39142	1176	13	science	science	NN
39142	1176	14	made	make	VBN
39142	1176	15	by	by	IN
39142	1176	16	the	the	DT
39142	1176	17	able	able	JJ
39142	1176	18	astronomers	astronomer	NNS
39142	1176	19	who	who	WP
39142	1176	20	have	have	VBP
39142	1176	21	worked	work	VBN
39142	1176	22	with	with	IN
39142	1176	23	it	-PRON-	PRP
39142	1176	24	:	:	:
39142	1176	25	among	among	IN
39142	1176	26	them	-PRON-	PRP
39142	1176	27	Barnard	Barnard	NNP
39142	1176	28	who	who	WP
39142	1176	29	discovered	discover	VBD
39142	1176	30	the	the	DT
39142	1176	31	fifth	fifth	JJ
39142	1176	32	satellite	satellite	NN
39142	1176	33	of	of	IN
39142	1176	34	Jupiter	Jupiter	NNP
39142	1176	35	in	in	IN
39142	1176	36	1892	1892	CD
39142	1176	37	;	;	:
39142	1176	38	Burnham	Burnham	NNP
39142	1176	39	,	,	,
39142	1176	40	Hussey	Hussey	NNP
39142	1176	41	,	,	,
39142	1176	42	and	and	CC
39142	1176	43	Aitken	Aitken	NNP
39142	1176	44	,	,	,
39142	1176	45	who	who	WP
39142	1176	46	have	have	VBP
39142	1176	47	discovered	discover	VBN
39142	1176	48	and	and	CC
39142	1176	49	measured	measure	VBN
39142	1176	50	thousands	thousand	NNS
39142	1176	51	of	of	IN
39142	1176	52	close	close	JJ
39142	1176	53	double	double	JJ
39142	1176	54	stars	star	NNS
39142	1176	55	;	;	:
39142	1176	56	Keeler	Keeler	NNP
39142	1176	57	,	,	,
39142	1176	58	who	who	WP
39142	1176	59	spent	spend	VBD
39142	1176	60	many	many	JJ
39142	1176	61	faithful	faithful	JJ
39142	1176	62	years	year	NNS
39142	1176	63	on	on	IN
39142	1176	64	the	the	DT
39142	1176	65	summit	summit	NN
39142	1176	66	;	;	:
39142	1176	67	and	and	CC
39142	1176	68	Campbell	Campbell	NNP
39142	1176	69	,	,	,
39142	1176	70	the	the	DT
39142	1176	71	present	present	JJ
39142	1176	72	director	director	NN
39142	1176	73	,	,	,
39142	1176	74	whose	whose	WP$
39142	1176	75	spectroscopic	spectroscopic	JJ
39142	1176	76	researches	research	NNS
39142	1176	77	on	on	IN
39142	1176	78	stellar	stellar	JJ
39142	1176	79	movements	movement	NNS
39142	1176	80	have	have	VBP
39142	1176	81	added	add	VBN
39142	1176	82	greatly	greatly	RB
39142	1176	83	to	to	IN
39142	1176	84	our	-PRON-	PRP$
39142	1176	85	knowledge	knowledge	NN
39142	1176	86	of	of	IN
39142	1176	87	the	the	DT
39142	1176	88	structure	structure	NN
39142	1176	89	of	of	IN
39142	1176	90	the	the	DT
39142	1176	91	universe	universe	NN
39142	1176	92	.	.	.
39142	1177	1	Among	among	IN
39142	1177	2	the	the	DT
39142	1177	3	many	many	JJ
39142	1177	4	lines	line	NNS
39142	1177	5	of	of	IN
39142	1177	6	research	research	NN
39142	1177	7	now	now	RB
39142	1177	8	in	in	IN
39142	1177	9	progress	progress	NN
39142	1177	10	at	at	IN
39142	1177	11	the	the	DT
39142	1177	12	Lick	Lick	NNP
39142	1177	13	Observatory	Observatory	NNP
39142	1177	14	and	and	CC
39142	1177	15	in	in	IN
39142	1177	16	the	the	DT
39142	1177	17	D.	D.	NNP
39142	1177	18	O.	O.	NNP
39142	1178	1	Mills	Mills	NNPS
39142	1178	2	Observatory	Observatory	NNP
39142	1178	3	at	at	IN
39142	1178	4	Santiago	Santiago	NNP
39142	1178	5	,	,	,
39142	1178	6	Chile	Chile	NNP
39142	1178	7	,	,	,
39142	1178	8	are	be	VBP
39142	1178	9	the	the	DT
39142	1178	10	discoveries	discovery	NNS
39142	1178	11	of	of	IN
39142	1178	12	stars	star	NNS
39142	1178	13	whose	whose	WP$
39142	1178	14	velocities	velocity	NNS
39142	1178	15	in	in	IN
39142	1178	16	space	space	NN
39142	1178	17	are	be	VBP
39142	1178	18	not	not	RB
39142	1178	19	constant	constant	JJ
39142	1178	20	,	,	,
39142	1178	21	but	but	CC
39142	1178	22	variable	variable	JJ
39142	1178	23	with	with	IN
39142	1178	24	the	the	DT
39142	1178	25	spectral	spectral	JJ
39142	1178	26	type	type	NN
39142	1178	27	of	of	IN
39142	1178	28	the	the	DT
39142	1178	29	star	star	NN
39142	1178	30	.	.	.
39142	1179	1	Mr.	Mr.	NNP
39142	1179	2	Lick	Lick	NNP
39142	1179	3	's	's	POS
39142	1179	4	bequest	bequest	NN
39142	1179	5	for	for	IN
39142	1179	6	the	the	DT
39142	1179	7	Observatory	Observatory	NNP
39142	1179	8	was	be	VBD
39142	1179	9	about	about	IN
39142	1179	10	$	$	$
39142	1179	11	700,000	700,000	CD
39142	1179	12	.	.	.
39142	1180	1	So	so	RB
39142	1180	2	ably	ably	RB
39142	1180	3	has	have	VBZ
39142	1180	4	this	this	DT
39142	1180	5	scientific	scientific	JJ
39142	1180	6	trust	trust	NN
39142	1180	7	been	be	VBN
39142	1180	8	administered	administer	VBN
39142	1180	9	that	that	IN
39142	1180	10	he	-PRON-	PRP
39142	1180	11	might	may	MD
39142	1180	12	well	well	RB
39142	1180	13	have	have	VB
39142	1180	14	endowed	endow	VBN
39142	1180	15	it	-PRON-	PRP
39142	1180	16	with	with	IN
39142	1180	17	his	-PRON-	PRP$
39142	1180	18	entire	entire	JJ
39142	1180	19	estate	estate	NN
39142	1180	20	,	,	,
39142	1180	21	exceeding	exceed	VBG
39142	1180	22	$	$	$
39142	1180	23	4,000,000	4,000,000	CD
39142	1180	24	.	.	.
39142	1181	1	Another	another	DT
39142	1181	2	California	California	NNP
39142	1181	3	mountain	mountain	NN
39142	1181	4	that	that	WDT
39142	1181	5	was	be	VBD
39142	1181	6	early	early	RB
39142	1181	7	investigated	investigate	VBN
39142	1181	8	is	be	VBZ
39142	1181	9	Mount	Mount	NNP
39142	1181	10	Whitney	Whitney	NNP
39142	1181	11	.	.	.
39142	1182	1	Its	-PRON-	PRP$
39142	1182	2	summit	summit	NN
39142	1182	3	elevation	elevation	NN
39142	1182	4	is	be	VBZ
39142	1182	5	nearly	nearly	RB
39142	1182	6	15,000	15,000	CD
39142	1182	7	feet	foot	NNS
39142	1182	8	,	,	,
39142	1182	9	and	and	CC
39142	1182	10	in	in	IN
39142	1182	11	1881	1881	CD
39142	1182	12	Langley	Langley	NNP
39142	1182	13	made	make	VBD
39142	1182	14	its	-PRON-	PRP$
39142	1182	15	ascent	ascent	NN
39142	1182	16	for	for	IN
39142	1182	17	the	the	DT
39142	1182	18	purpose	purpose	NN
39142	1182	19	of	of	IN
39142	1182	20	measuring	measure	VBG
39142	1182	21	the	the	DT
39142	1182	22	solar	solar	JJ
39142	1182	23	constant	constant	NN
39142	1182	24	.	.	.
39142	1183	1	He	-PRON-	PRP
39142	1183	2	found	find	VBD
39142	1183	3	conditions	condition	NNS
39142	1183	4	much	much	RB
39142	1183	5	more	more	RBR
39142	1183	6	favorable	favorable	JJ
39142	1183	7	than	than	IN
39142	1183	8	on	on	IN
39142	1183	9	Mount	Mount	NNP
39142	1183	10	Etna	Etna	NNP
39142	1183	11	,	,	,
39142	1183	12	Sicily	Sicily	NNP
39142	1183	13	--	--	:
39142	1183	14	elevation	elevation	NN
39142	1183	15	about	about	IN
39142	1183	16	10,000	10,000	CD
39142	1183	17	feet	foot	NNS
39142	1183	18	--	--	:
39142	1183	19	which	which	WDT
39142	1183	20	he	-PRON-	PRP
39142	1183	21	had	have	VBD
39142	1183	22	visited	visit	VBN
39142	1183	23	the	the	DT
39142	1183	24	year	year	NN
39142	1183	25	before	before	RB
39142	1183	26	.	.	.
39142	1184	1	But	but	CC
39142	1184	2	the	the	DT
39142	1184	3	height	height	NN
39142	1184	4	of	of	IN
39142	1184	5	Mount	Mount	NNP
39142	1184	6	Whitney	Whitney	NNP
39142	1184	7	was	be	VBD
39142	1184	8	such	such	JJ
39142	1184	9	as	as	IN
39142	1184	10	to	to	TO
39142	1184	11	occasion	occasion	VB
39142	1184	12	him	-PRON-	PRP
39142	1184	13	much	much	JJ
39142	1184	14	inconvenience	inconvenience	NN
39142	1184	15	from	from	IN
39142	1184	16	mountain	mountain	NN
39142	1184	17	sickness	sickness	NN
39142	1184	18	,	,	,
39142	1184	19	an	an	DT
39142	1184	20	ailment	ailment	NN
39142	1184	21	which	which	WDT
39142	1184	22	is	be	VBZ
39142	1184	23	most	most	RBS
39142	1184	24	distressing	distressing	JJ
39142	1184	25	and	and	CC
39142	1184	26	due	due	JJ
39142	1184	27	partly	partly	RB
39142	1184	28	to	to	IN
39142	1184	29	lack	lack	NN
39142	1184	30	of	of	IN
39142	1184	31	oxygen	oxygen	NN
39142	1184	32	and	and	CC
39142	1184	33	partly	partly	RB
39142	1184	34	to	to	IN
39142	1184	35	mere	mere	JJ
39142	1184	36	diminution	diminution	NN
39142	1184	37	of	of	IN
39142	1184	38	mechanical	mechanical	JJ
39142	1184	39	pressure	pressure	NN
39142	1184	40	.	.	.
39142	1185	1	Mount	Mount	NNP
39142	1185	2	Whitney	Whitney	NNP
39142	1185	3	was	be	VBD
39142	1185	4	also	also	RB
39142	1185	5	visited	visit	VBN
39142	1185	6	many	many	JJ
39142	1185	7	years	year	NNS
39142	1185	8	after	after	IN
39142	1185	9	by	by	IN
39142	1185	10	Campbell	Campbell	NNP
39142	1185	11	for	for	IN
39142	1185	12	investigating	investigate	VBG
39142	1185	13	the	the	DT
39142	1185	14	spectrum	spectrum	NN
39142	1185	15	of	of	IN
39142	1185	16	Mars	Mars	NNP
39142	1185	17	in	in	IN
39142	1185	18	comparison	comparison	NN
39142	1185	19	with	with	IN
39142	1185	20	that	that	DT
39142	1185	21	of	of	IN
39142	1185	22	the	the	DT
39142	1185	23	moon	moon	NN
39142	1185	24	.	.	.
39142	1186	1	Langley	Langley	NNP
39142	1186	2	found	find	VBD
39142	1186	3	on	on	IN
39142	1186	4	Mount	Mount	NNP
39142	1186	5	Whitney	Whitney	NNP
39142	1186	6	an	an	DT
39142	1186	7	excellent	excellent	JJ
39142	1186	8	station	station	NN
39142	1186	9	lower	low	JJR
39142	1186	10	down	down	RB
39142	1186	11	,	,	,
39142	1186	12	at	at	IN
39142	1186	13	about	about	RB
39142	1186	14	12,000	12,000	CD
39142	1186	15	feet	foot	NNS
39142	1186	16	elevation	elevation	JJ
39142	1186	17	;	;	:
39142	1186	18	and	and	CC
39142	1186	19	by	by	IN
39142	1186	20	equipping	equip	VBG
39142	1186	21	the	the	DT
39142	1186	22	two	two	CD
39142	1186	23	stations	station	NNS
39142	1186	24	with	with	IN
39142	1186	25	like	like	JJ
39142	1186	26	apparatus	apparatus	NN
39142	1186	27	for	for	IN
39142	1186	28	measuring	measure	VBG
39142	1186	29	the	the	DT
39142	1186	30	solar	solar	JJ
39142	1186	31	heat	heat	NN
39142	1186	32	,	,	,
39142	1186	33	he	-PRON-	PRP
39142	1186	34	obtained	obtain	VBD
39142	1186	35	very	very	RB
39142	1186	36	important	important	JJ
39142	1186	37	data	datum	NNS
39142	1186	38	on	on	IN
39142	1186	39	the	the	DT
39142	1186	40	selective	selective	JJ
39142	1186	41	absorption	absorption	NN
39142	1186	42	of	of	IN
39142	1186	43	the	the	DT
39142	1186	44	atmosphere	atmosphere	NN
39142	1186	45	.	.	.
39142	1187	1	Returning	return	VBG
39142	1187	2	from	from	IN
39142	1187	3	the	the	DT
39142	1187	4	transit	transit	NN
39142	1187	5	of	of	IN
39142	1187	6	Venus	Venus	NNP
39142	1187	7	in	in	IN
39142	1187	8	1882	1882	CD
39142	1187	9	,	,	,
39142	1187	10	Copeland	Copeland	NNP
39142	1187	11	of	of	IN
39142	1187	12	Edinburgh	Edinburgh	NNP
39142	1187	13	visited	visit	VBD
39142	1187	14	several	several	JJ
39142	1187	15	sites	site	NNS
39142	1187	16	in	in	IN
39142	1187	17	the	the	DT
39142	1187	18	Andes	Andes	NNP
39142	1187	19	of	of	IN
39142	1187	20	Peru	Peru	NNP
39142	1187	21	,	,	,
39142	1187	22	ascending	ascend	VBG
39142	1187	23	on	on	IN
39142	1187	24	the	the	DT
39142	1187	25	railway	railway	NN
39142	1187	26	from	from	IN
39142	1187	27	Mollendo	Mollendo	NNP
39142	1187	28	.	.	.
39142	1188	1	Vincocaya	Vincocaya	NNP
39142	1188	2	was	be	VBD
39142	1188	3	one	one	CD
39142	1188	4	of	of	IN
39142	1188	5	the	the	DT
39142	1188	6	highest	high	JJS
39142	1188	7	,	,	,
39142	1188	8	something	something	NN
39142	1188	9	over	over	IN
39142	1188	10	14,000	14,000	CD
39142	1188	11	feet	foot	NNS
39142	1188	12	elevation	elevation	NN
39142	1188	13	.	.	.
39142	1189	1	His	-PRON-	PRP$
39142	1189	2	report	report	NN
39142	1189	3	was	be	VBD
39142	1189	4	most	most	RBS
39142	1189	5	enthusiastic	enthusiastic	JJ
39142	1189	6	,	,	,
39142	1189	7	not	not	RB
39142	1189	8	only	only	RB
39142	1189	9	as	as	IN
39142	1189	10	to	to	TO
39142	1189	11	clearness	clearness	NN
39142	1189	12	and	and	CC
39142	1189	13	transparency	transparency	NN
39142	1189	14	of	of	IN
39142	1189	15	the	the	DT
39142	1189	16	atmosphere	atmosphere	NN
39142	1189	17	,	,	,
39142	1189	18	but	but	CC
39142	1189	19	also	also	RB
39142	1189	20	as	as	IN
39142	1189	21	to	to	IN
39142	1189	22	its	-PRON-	PRP$
39142	1189	23	steadiness	steadiness	NN
39142	1189	24	,	,	,
39142	1189	25	which	which	WDT
39142	1189	26	for	for	IN
39142	1189	27	planetary	planetary	NN
39142	1189	28	and	and	CC
39142	1189	29	double	double	JJ
39142	1189	30	star	star	NN
39142	1189	31	observations	observation	NNS
39142	1189	32	is	be	VBZ
39142	1189	33	almost	almost	RB
39142	1189	34	as	as	RB
39142	1189	35	important	important	JJ
39142	1189	36	.	.	.
39142	1190	1	Copeland	Copeland	NNP
39142	1190	2	's	's	POS
39142	1190	3	investigation	investigation	NN
39142	1190	4	of	of	IN
39142	1190	5	this	this	DT
39142	1190	6	region	region	NN
39142	1190	7	of	of	IN
39142	1190	8	the	the	DT
39142	1190	9	Andes	Andes	NNP
39142	1190	10	has	have	VBZ
39142	1190	11	led	lead	VBN
39142	1190	12	many	many	JJ
39142	1190	13	other	other	JJ
39142	1190	14	astronomers	astronomer	NNS
39142	1190	15	to	to	TO
39142	1190	16	make	make	VB
39142	1190	17	critical	critical	JJ
39142	1190	18	tests	test	NNS
39142	1190	19	in	in	IN
39142	1190	20	the	the	DT
39142	1190	21	same	same	JJ
39142	1190	22	general	general	JJ
39142	1190	23	region	region	NN
39142	1190	24	.	.	.
39142	1191	1	Climatic	climatic	JJ
39142	1191	2	conditions	condition	NNS
39142	1191	3	are	be	VBP
39142	1191	4	particularly	particularly	RB
39142	1191	5	favorable	favorable	JJ
39142	1191	6	,	,	,
39142	1191	7	and	and	CC
39142	1191	8	the	the	DT
39142	1191	9	sites	site	NNS
39142	1191	10	for	for	IN
39142	1191	11	high	high	JJ
39142	1191	12	-	-	HYPH
39142	1191	13	level	level	NN
39142	1191	14	research	research	NN
39142	1191	15	are	be	VBP
39142	1191	16	among	among	IN
39142	1191	17	the	the	DT
39142	1191	18	best	well	RBS
39142	1191	19	known	know	VBN
39142	1191	20	,	,	,
39142	1191	21	the	the	DT
39142	1191	22	atmosphere	atmosphere	NN
39142	1191	23	being	be	VBG
39142	1191	24	not	not	RB
39142	1191	25	only	only	RB
39142	1191	26	clear	clear	JJ
39142	1191	27	a	a	DT
39142	1191	28	large	large	JJ
39142	1191	29	part	part	NN
39142	1191	30	of	of	IN
39142	1191	31	the	the	DT
39142	1191	32	year	year	NN
39142	1191	33	,	,	,
39142	1191	34	but	but	CC
39142	1191	35	in	in	IN
39142	1191	36	certain	certain	JJ
39142	1191	37	favored	favored	JJ
39142	1191	38	spots	spot	NNS
39142	1191	39	exceedingly	exceedingly	RB
39142	1191	40	steady	steady	JJ
39142	1191	41	.	.	.
39142	1192	1	In	in	IN
39142	1192	2	1887	1887	CD
39142	1192	3	the	the	DT
39142	1192	4	writer	writer	NN
39142	1192	5	ascended	ascend	VBD
39142	1192	6	the	the	DT
39142	1192	7	summit	summit	NN
39142	1192	8	of	of	IN
39142	1192	9	Fujiyama	Fujiyama	NNP
39142	1192	10	,	,	,
39142	1192	11	Japan	Japan	NNP
39142	1192	12	,	,	,
39142	1192	13	12,400	12,400	CD
39142	1192	14	feet	foot	NNS
39142	1192	15	elevation	elevation	VBP
39142	1192	16	.	.	.
39142	1193	1	The	the	DT
39142	1193	2	early	early	JJ
39142	1193	3	September	September	NNP
39142	1193	4	conditions	condition	NNS
39142	1193	5	as	as	IN
39142	1193	6	to	to	IN
39142	1193	7	steadiness	steadiness	NN
39142	1193	8	of	of	IN
39142	1193	9	atmosphere	atmosphere	NN
39142	1193	10	were	be	VBD
39142	1193	11	extraordinarily	extraordinarily	RB
39142	1193	12	fine	fine	JJ
39142	1193	13	,	,	,
39142	1193	14	but	but	CC
39142	1193	15	the	the	DT
39142	1193	16	mountain	mountain	NN
39142	1193	17	is	be	VBZ
39142	1193	18	covered	cover	VBN
39142	1193	19	by	by	IN
39142	1193	20	cloud	cloud	NN
39142	1193	21	many	many	JJ
39142	1193	22	months	month	NNS
39142	1193	23	in	in	IN
39142	1193	24	each	each	DT
39142	1193	25	year	year	NN
39142	1193	26	.	.	.
39142	1194	1	There	there	EX
39142	1194	2	is	be	VBZ
39142	1194	3	a	a	DT
39142	1194	4	saddle	saddle	NN
39142	1194	5	on	on	IN
39142	1194	6	the	the	DT
39142	1194	7	inside	inside	NN
39142	1194	8	of	of	IN
39142	1194	9	the	the	DT
39142	1194	10	crater	crater	NN
39142	1194	11	that	that	WDT
39142	1194	12	would	would	MD
39142	1194	13	form	form	VB
39142	1194	14	an	an	DT
39142	1194	15	ideal	ideal	JJ
39142	1194	16	location	location	NN
39142	1194	17	for	for	IN
39142	1194	18	a	a	DT
39142	1194	19	high	high	JJ
39142	1194	20	-	-	HYPH
39142	1194	21	level	level	NN
39142	1194	22	observatory	observatory	NN
39142	1194	23	.	.	.
39142	1195	1	This	this	DT
39142	1195	2	expedition	expedition	NN
39142	1195	3	was	be	VBD
39142	1195	4	undertaken	undertake	VBN
39142	1195	5	at	at	IN
39142	1195	6	the	the	DT
39142	1195	7	request	request	NN
39142	1195	8	of	of	IN
39142	1195	9	the	the	DT
39142	1195	10	late	late	JJ
39142	1195	11	Professor	Professor	NNP
39142	1195	12	Pickering	Pickering	NNP
39142	1195	13	,	,	,
39142	1195	14	director	director	NN
39142	1195	15	of	of	IN
39142	1195	16	Harvard	Harvard	NNP
39142	1195	17	College	College	NNP
39142	1195	18	Observatory	Observatory	NNP
39142	1195	19	,	,	,
39142	1195	20	which	which	WDT
39142	1195	21	had	have	VBD
39142	1195	22	recently	recently	RB
39142	1195	23	received	receive	VBN
39142	1195	24	a	a	DT
39142	1195	25	bequest	bequest	NN
39142	1195	26	from	from	IN
39142	1195	27	Uriah	Uriah	NNP
39142	1195	28	A.	A.	NNP
39142	1195	29	Boyden	Boyden	NNP
39142	1195	30	,	,	,
39142	1195	31	amounting	amount	VBG
39142	1195	32	to	to	IN
39142	1195	33	nearly	nearly	RB
39142	1195	34	a	a	DT
39142	1195	35	quarter	quarter	NN
39142	1195	36	of	of	IN
39142	1195	37	a	a	DT
39142	1195	38	million	million	CD
39142	1195	39	dollars	dollar	NNS
39142	1195	40	,	,	,
39142	1195	41	to	to	TO
39142	1195	42	"	"	``
39142	1195	43	establish	establish	VB
39142	1195	44	and	and	CC
39142	1195	45	maintain	maintain	VB
39142	1195	46	,	,	,
39142	1195	47	in	in	IN
39142	1195	48	conjunction	conjunction	NN
39142	1195	49	with	with	IN
39142	1195	50	others	other	NNS
39142	1195	51	,	,	,
39142	1195	52	an	an	DT
39142	1195	53	astronomical	astronomical	JJ
39142	1195	54	observatory	observatory	NN
39142	1195	55	on	on	IN
39142	1195	56	some	some	DT
39142	1195	57	mountain	mountain	NN
39142	1195	58	peak	peak	NN
39142	1195	59	.	.	.
39142	1195	60	"	"	''
39142	1196	1	Great	great	JJ
39142	1196	2	elevations	elevation	NNS
39142	1196	3	were	be	VBD
39142	1196	4	systematically	systematically	RB
39142	1196	5	investigated	investigate	VBN
39142	1196	6	in	in	IN
39142	1196	7	Colorado	Colorado	NNP
39142	1196	8	and	and	CC
39142	1196	9	California	California	NNP
39142	1196	10	,	,	,
39142	1196	11	the	the	DT
39142	1196	12	Chilean	chilean	JJ
39142	1196	13	desert	desert	NN
39142	1196	14	of	of	IN
39142	1196	15	Atacama	Atacama	NNP
39142	1196	16	was	be	VBD
39142	1196	17	visited	visit	VBN
39142	1196	18	,	,	,
39142	1196	19	and	and	CC
39142	1196	20	a	a	DT
39142	1196	21	temporary	temporary	JJ
39142	1196	22	station	station	NN
39142	1196	23	established	establish	VBN
39142	1196	24	at	at	IN
39142	1196	25	Chosica	Chosica	NNP
39142	1196	26	,	,	,
39142	1196	27	Peru	Peru	NNP
39142	1196	28	,	,	,
39142	1196	29	elevation	elevation	VBP
39142	1196	30	about	about	RB
39142	1196	31	5,000	5,000	CD
39142	1196	32	feet	foot	NNS
39142	1196	33	.	.	.
39142	1197	1	Atmospheric	atmospheric	JJ
39142	1197	2	conditions	condition	NNS
39142	1197	3	becoming	become	VBG
39142	1197	4	unfavorable	unfavorable	JJ
39142	1197	5	,	,	,
39142	1197	6	a	a	DT
39142	1197	7	permanent	permanent	JJ
39142	1197	8	station	station	NN
39142	1197	9	was	be	VBD
39142	1197	10	established	establish	VBN
39142	1197	11	in	in	IN
39142	1197	12	1891	1891	CD
39142	1197	13	at	at	IN
39142	1197	14	Arequipa	Arequipa	NNP
39142	1197	15	,	,	,
39142	1197	16	Peru	Peru	NNP
39142	1197	17	,	,	,
39142	1197	18	elevation	elevation	VBP
39142	1197	19	8,000	8,000	CD
39142	1197	20	feet	foot	NNS
39142	1197	21	,	,	,
39142	1197	22	which	which	WDT
39142	1197	23	has	have	VBZ
39142	1197	24	been	be	VBN
39142	1197	25	maintained	maintain	VBN
39142	1197	26	as	as	IN
39142	1197	27	an	an	DT
39142	1197	28	annex	annex	NN
39142	1197	29	to	to	IN
39142	1197	30	the	the	DT
39142	1197	31	Harvard	Harvard	NNP
39142	1197	32	Observatory	Observatory	NNP
39142	1197	33	ever	ever	RB
39142	1197	34	since	since	RB
39142	1197	35	.	.	.
39142	1198	1	The	the	DT
39142	1198	2	cloud	cloud	NN
39142	1198	3	conditions	condition	NNS
39142	1198	4	have	have	VBP
39142	1198	5	been	be	VBN
39142	1198	6	on	on	IN
39142	1198	7	the	the	DT
39142	1198	8	whole	whole	JJ
39142	1198	9	less	less	RBR
39142	1198	10	favorable	favorable	JJ
39142	1198	11	than	than	IN
39142	1198	12	was	be	VBD
39142	1198	13	expected	expect	VBN
39142	1198	14	,	,	,
39142	1198	15	but	but	CC
39142	1198	16	the	the	DT
39142	1198	17	steadiness	steadiness	NN
39142	1198	18	of	of	IN
39142	1198	19	the	the	DT
39142	1198	20	air	air	NN
39142	1198	21	has	have	VBZ
39142	1198	22	been	be	VBN
39142	1198	23	very	very	RB
39142	1198	24	satisfactory	satisfactory	JJ
39142	1198	25	.	.	.
39142	1199	1	In	in	IN
39142	1199	2	addition	addition	NN
39142	1199	3	to	to	IN
39142	1199	4	planetary	planetary	JJ
39142	1199	5	researches	research	NNS
39142	1199	6	conducted	conduct	VBN
39142	1199	7	there	there	RB
39142	1199	8	in	in	IN
39142	1199	9	the	the	DT
39142	1199	10	earlier	early	JJR
39142	1199	11	years	year	NNS
39142	1199	12	by	by	IN
39142	1199	13	W.	W.	NNP
39142	1199	14	H.	H.	NNP
39142	1199	15	Pickering	Pickering	NNP
39142	1199	16	,	,	,
39142	1199	17	many	many	JJ
39142	1199	18	large	large	JJ
39142	1199	19	programs	program	NNS
39142	1199	20	of	of	IN
39142	1199	21	stellar	stellar	JJ
39142	1199	22	research	research	NN
39142	1199	23	have	have	VBP
39142	1199	24	been	be	VBN
39142	1199	25	executed	execute	VBN
39142	1199	26	,	,	,
39142	1199	27	especially	especially	RB
39142	1199	28	relating	relate	VBG
39142	1199	29	to	to	IN
39142	1199	30	the	the	DT
39142	1199	31	magnitudes	magnitudes	NNPS
39142	1199	32	and	and	CC
39142	1199	33	spectra	spectra	NNP
39142	1199	34	of	of	IN
39142	1199	35	the	the	DT
39142	1199	36	stars	star	NNS
39142	1199	37	.	.	.
39142	1200	1	In	in	IN
39142	1200	2	conjunction	conjunction	NN
39142	1200	3	with	with	IN
39142	1200	4	the	the	DT
39142	1200	5	home	home	NN
39142	1200	6	observatory	observatory	NN
39142	1200	7	in	in	IN
39142	1200	8	the	the	DT
39142	1200	9	northern	northern	JJ
39142	1200	10	hemisphere	hemisphere	NN
39142	1200	11	,	,	,
39142	1200	12	this	this	DT
39142	1200	13	afforded	afford	VBD
39142	1200	14	a	a	DT
39142	1200	15	vast	vast	JJ
39142	1200	16	advantage	advantage	NN
39142	1200	17	in	in	IN
39142	1200	18	embracing	embrace	VBG
39142	1200	19	all	all	PDT
39142	1200	20	the	the	DT
39142	1200	21	stars	star	NNS
39142	1200	22	of	of	IN
39142	1200	23	the	the	DT
39142	1200	24	entire	entire	JJ
39142	1200	25	heavens	heaven	NNS
39142	1200	26	,	,	,
39142	1200	27	on	on	IN
39142	1200	28	a	a	DT
39142	1200	29	scale	scale	NN
39142	1200	30	not	not	RB
39142	1200	31	attempted	attempt	VBN
39142	1200	32	elsewhere	elsewhere	RB
39142	1200	33	.	.	.
39142	1201	1	The	the	DT
39142	1201	2	Bruce	Bruce	NNP
39142	1201	3	photographic	photographic	JJ
39142	1201	4	telescope	telescope	NN
39142	1201	5	of	of	IN
39142	1201	6	24-inch	24-inch	CD
39142	1201	7	aperture	aperture	NN
39142	1201	8	has	have	VBZ
39142	1201	9	been	be	VBN
39142	1201	10	employed	employ	VBN
39142	1201	11	for	for	IN
39142	1201	12	many	many	JJ
39142	1201	13	years	year	NNS
39142	1201	14	at	at	IN
39142	1201	15	Arequipa	Arequipa	NNP
39142	1201	16	,	,	,
39142	1201	17	and	and	CC
39142	1201	18	with	with	IN
39142	1201	19	it	-PRON-	PRP
39142	1201	20	the	the	DT
39142	1201	21	plates	plate	NNS
39142	1201	22	were	be	VBD
39142	1201	23	taken	take	VBN
39142	1201	24	which	which	WDT
39142	1201	25	enabled	enable	VBD
39142	1201	26	Pickering	Pickering	NNP
39142	1201	27	to	to	TO
39142	1201	28	discover	discover	VB
39142	1201	29	the	the	DT
39142	1201	30	ninth	ninth	JJ
39142	1201	31	satellite	satellite	NN
39142	1201	32	of	of	IN
39142	1201	33	Saturn	Saturn	NNP
39142	1201	34	(	(	-LRB-
39142	1201	35	Phoebe	Phoebe	NNP
39142	1201	36	)	)	-RRB-
39142	1201	37	,	,	,
39142	1201	38	and	and	CC
39142	1201	39	the	the	DT
39142	1201	40	splendid	splendid	JJ
39142	1201	41	photographs	photograph	NNS
39142	1201	42	of	of	IN
39142	1201	43	southern	southern	JJ
39142	1201	44	globular	globular	JJ
39142	1201	45	clusters	cluster	NNS
39142	1201	46	in	in	IN
39142	1201	47	which	which	WDT
39142	1201	48	Bailey	Bailey	NNP
39142	1201	49	has	have	VBZ
39142	1201	50	found	find	VBN
39142	1201	51	numerous	numerous	JJ
39142	1201	52	variable	variable	JJ
39142	1201	53	stars	star	NNS
39142	1201	54	of	of	IN
39142	1201	55	very	very	RB
39142	1201	56	short	short	JJ
39142	1201	57	periods	period	NNS
39142	1201	58	--	--	:
39142	1201	59	very	very	RB
39142	1201	60	faint	faint	JJ
39142	1201	61	objects	object	NNS
39142	1201	62	,	,	,
39142	1201	63	but	but	CC
39142	1201	64	none	none	NN
39142	1201	65	the	the	DT
39142	1201	66	less	less	RBR
39142	1201	67	interesting	interesting	JJ
39142	1201	68	,	,	,
39142	1201	69	and	and	CC
39142	1201	70	of	of	IN
39142	1201	71	much	much	JJ
39142	1201	72	significance	significance	NN
39142	1201	73	in	in	IN
39142	1201	74	modern	modern	JJ
39142	1201	75	study	study	NN
39142	1201	76	of	of	IN
39142	1201	77	the	the	DT
39142	1201	78	evolution	evolution	NN
39142	1201	79	and	and	CC
39142	1201	80	structure	structure	NN
39142	1201	81	of	of	IN
39142	1201	82	the	the	DT
39142	1201	83	stellar	stellar	JJ
39142	1201	84	universe	universe	NN
39142	1201	85	.	.	.
39142	1202	1	The	the	DT
39142	1202	2	crowning	crowning	JJ
39142	1202	3	research	research	NN
39142	1202	4	of	of	IN
39142	1202	5	the	the	DT
39142	1202	6	observatory	observatory	NN
39142	1202	7	is	be	VBZ
39142	1202	8	the	the	DT
39142	1202	9	Henry	Henry	NNP
39142	1202	10	Draper	Draper	NNP
39142	1202	11	catalogue	catalogue	NN
39142	1202	12	of	of	IN
39142	1202	13	stellar	stellar	JJ
39142	1202	14	spectra	spectra	NNP
39142	1202	15	,	,	,
39142	1202	16	now	now	RB
39142	1202	17	in	in	IN
39142	1202	18	process	process	NN
39142	1202	19	of	of	IN
39142	1202	20	publication	publication	NN
39142	1202	21	,	,	,
39142	1202	22	which	which	WDT
39142	1202	23	is	be	VBZ
39142	1202	24	of	of	IN
39142	1202	25	the	the	DT
39142	1202	26	first	first	JJ
39142	1202	27	order	order	NN
39142	1202	28	of	of	IN
39142	1202	29	importance	importance	NN
39142	1202	30	in	in	IN
39142	1202	31	statistical	statistical	JJ
39142	1202	32	studies	study	NNS
39142	1202	33	of	of	IN
39142	1202	34	stellar	stellar	JJ
39142	1202	35	distribution	distribution	NN
39142	1202	36	with	with	IN
39142	1202	37	reference	reference	NN
39142	1202	38	to	to	IN
39142	1202	39	spectral	spectral	JJ
39142	1202	40	type	type	NN
39142	1202	41	,	,	,
39142	1202	42	and	and	CC
39142	1202	43	in	in	IN
39142	1202	44	studying	study	VBG
39142	1202	45	the	the	DT
39142	1202	46	relation	relation	NN
39142	1202	47	of	of	IN
39142	1202	48	parallax	parallax	NN
39142	1202	49	and	and	CC
39142	1202	50	distance	distance	NN
39142	1202	51	,	,	,
39142	1202	52	proper	proper	JJ
39142	1202	53	motion	motion	NN
39142	1202	54	,	,	,
39142	1202	55	radial	radial	JJ
39142	1202	56	velocity	velocity	NN
39142	1202	57	and	and	CC
39142	1202	58	its	-PRON-	PRP$
39142	1202	59	variation	variation	NN
39142	1202	60	to	to	IN
39142	1202	61	the	the	DT
39142	1202	62	spectral	spectral	JJ
39142	1202	63	characteristics	characteristic	NNS
39142	1202	64	of	of	IN
39142	1202	65	the	the	DT
39142	1202	66	stars	star	NNS
39142	1202	67	.	.	.
39142	1203	1	Perrine	Perrine	NNP
39142	1203	2	of	of	IN
39142	1203	3	Cordova	Cordova	NNP
39142	1203	4	is	be	VBZ
39142	1203	5	now	now	RB
39142	1203	6	establishing	establish	VBG
39142	1203	7	on	on	IN
39142	1203	8	Sierra	Sierra	NNP
39142	1203	9	Chica	Chica	NNP
39142	1203	10	about	about	IN
39142	1203	11	twenty	twenty	CD
39142	1203	12	-	-	HYPH
39142	1203	13	five	five	CD
39142	1203	14	miles	mile	NNS
39142	1203	15	southwest	southwest	RB
39142	1203	16	of	of	IN
39142	1203	17	Cordova	Cordova	NNP
39142	1203	18	,	,	,
39142	1203	19	a	a	DT
39142	1203	20	great	great	JJ
39142	1203	21	reflecting	reflect	VBG
39142	1203	22	telescope	telescope	NN
39142	1203	23	comparable	comparable	JJ
39142	1203	24	in	in	IN
39142	1203	25	size	size	NN
39142	1203	26	with	with	IN
39142	1203	27	the	the	DT
39142	1203	28	instruments	instrument	NNS
39142	1203	29	of	of	IN
39142	1203	30	the	the	DT
39142	1203	31	northern	northern	JJ
39142	1203	32	hemisphere	hemisphere	NN
39142	1203	33	,	,	,
39142	1203	34	for	for	IN
39142	1203	35	investigation	investigation	NN
39142	1203	36	of	of	IN
39142	1203	37	the	the	DT
39142	1203	38	southern	southern	JJ
39142	1203	39	nebulæ	nebulæ	NN
39142	1203	40	and	and	CC
39142	1203	41	clusters	cluster	NNS
39142	1203	42	,	,	,
39142	1203	43	and	and	CC
39142	1203	44	motions	motion	NNS
39142	1203	45	of	of	IN
39142	1203	46	the	the	DT
39142	1203	47	stars	star	NNS
39142	1203	48	.	.	.
39142	1204	1	The	the	DT
39142	1204	2	elevation	elevation	NN
39142	1204	3	of	of	IN
39142	1204	4	this	this	DT
39142	1204	5	new	new	JJ
39142	1204	6	Argentine	Argentine	NNP
39142	1204	7	observatory	observatory	NN
39142	1204	8	will	will	MD
39142	1204	9	be	be	VB
39142	1204	10	4,000	4,000	CD
39142	1204	11	feet	foot	NNS
39142	1204	12	above	above	IN
39142	1204	13	sea	sea	NN
39142	1204	14	level	level	NN
39142	1204	15	.	.	.
39142	1205	1	Another	another	DT
39142	1205	2	observatory	observatory	NN
39142	1205	3	at	at	IN
39142	1205	4	mountain	mountain	NN
39142	1205	5	elevation	elevation	NN
39142	1205	6	and	and	CC
39142	1205	7	in	in	IN
39142	1205	8	a	a	DT
39142	1205	9	highly	highly	RB
39142	1205	10	favorable	favorable	JJ
39142	1205	11	climate	climate	NN
39142	1205	12	is	be	VBZ
39142	1205	13	the	the	DT
39142	1205	14	Lowell	Lowell	NNP
39142	1205	15	Observatory	Observatory	NNP
39142	1205	16	,	,	,
39142	1205	17	located	locate	VBN
39142	1205	18	at	at	IN
39142	1205	19	about	about	IN
39142	1205	20	7,000	7,000	CD
39142	1205	21	feet	foot	NNS
39142	1205	22	elevation	elevation	NN
39142	1205	23	at	at	IN
39142	1205	24	Flagstaff	Flagstaff	NNP
39142	1205	25	,	,	,
39142	1205	26	Arizona	Arizona	NNP
39142	1205	27	.	.	.
39142	1206	1	Many	many	JJ
39142	1206	2	localities	locality	NNS
39142	1206	3	were	be	VBD
39142	1206	4	visited	visit	VBN
39142	1206	5	and	and	CC
39142	1206	6	the	the	DT
39142	1206	7	atmosphere	atmosphere	NN
39142	1206	8	tested	test	VBN
39142	1206	9	especially	especially	RB
39142	1206	10	for	for	IN
39142	1206	11	steadiness	steadiness	NN
39142	1206	12	,	,	,
39142	1206	13	an	an	DT
39142	1206	14	optical	optical	JJ
39142	1206	15	quality	quality	NN
39142	1206	16	very	very	RB
39142	1206	17	essential	essential	JJ
39142	1206	18	for	for	IN
39142	1206	19	research	research	NN
39142	1206	20	on	on	IN
39142	1206	21	the	the	DT
39142	1206	22	planetary	planetary	NN
39142	1206	23	surfaces	surface	NNS
39142	1206	24	.	.	.
39142	1207	1	Mexico	Mexico	NNP
39142	1207	2	was	be	VBD
39142	1207	3	one	one	CD
39142	1207	4	of	of	IN
39142	1207	5	these	these	DT
39142	1207	6	stations	station	NNS
39142	1207	7	,	,	,
39142	1207	8	but	but	CC
39142	1207	9	local	local	JJ
39142	1207	10	air	air	NN
39142	1207	11	currents	current	NNS
39142	1207	12	and	and	CC
39142	1207	13	changes	change	NNS
39142	1207	14	of	of	IN
39142	1207	15	temperature	temperature	NN
39142	1207	16	there	there	EX
39142	1207	17	were	be	VBD
39142	1207	18	such	such	JJ
39142	1207	19	that	that	IN
39142	1207	20	good	good	JJ
39142	1207	21	seeing	seeing	NN
39142	1207	22	was	be	VBD
39142	1207	23	far	far	RB
39142	1207	24	from	from	IN
39142	1207	25	prevalent	prevalent	JJ
39142	1207	26	,	,	,
39142	1207	27	as	as	IN
39142	1207	28	had	have	VBD
39142	1207	29	been	be	VBN
39142	1207	30	expected	expect	VBN
39142	1207	31	.	.	.
39142	1208	1	At	at	IN
39142	1208	2	Flagstaff	Flagstaff	NNP
39142	1208	3	,	,	,
39142	1208	4	on	on	IN
39142	1208	5	the	the	DT
39142	1208	6	other	other	JJ
39142	1208	7	hand	hand	NN
39142	1208	8	,	,	,
39142	1208	9	conditions	condition	NNS
39142	1208	10	have	have	VBP
39142	1208	11	been	be	VBN
39142	1208	12	pretty	pretty	RB
39142	1208	13	uniformly	uniformly	RB
39142	1208	14	good	good	JJ
39142	1208	15	,	,	,
39142	1208	16	and	and	CC
39142	1208	17	an	an	DT
39142	1208	18	enormous	enormous	JJ
39142	1208	19	amount	amount	NN
39142	1208	20	of	of	IN
39142	1208	21	work	work	NN
39142	1208	22	on	on	IN
39142	1208	23	the	the	DT
39142	1208	24	planet	planet	NN
39142	1208	25	Mars	Mars	NNP
39142	1208	26	has	have	VBZ
39142	1208	27	been	be	VBN
39142	1208	28	accumulated	accumulate	VBN
39142	1208	29	and	and	CC
39142	1208	30	published	publish	VBN
39142	1208	31	.	.	.
39142	1209	1	The	the	DT
39142	1209	2	first	first	JJ
39142	1209	3	successful	successful	JJ
39142	1209	4	photographs	photograph	NNS
39142	1209	5	of	of	IN
39142	1209	6	this	this	DT
39142	1209	7	planet	planet	NN
39142	1209	8	were	be	VBD
39142	1209	9	taken	take	VBN
39142	1209	10	there	there	RB
39142	1209	11	in	in	IN
39142	1209	12	1905	1905	CD
39142	1209	13	,	,	,
39142	1209	14	and	and	CC
39142	1209	15	Jupiter	Jupiter	NNP
39142	1209	16	,	,	,
39142	1209	17	Saturn	Saturn	NNP
39142	1209	18	,	,	,
39142	1209	19	the	the	DT
39142	1209	20	zodiacal	zodiacal	JJ
39142	1209	21	light	light	NN
39142	1209	22	and	and	CC
39142	1209	23	many	many	JJ
39142	1209	24	other	other	JJ
39142	1209	25	test	test	NN
39142	1209	26	objects	object	NNS
39142	1209	27	have	have	VBP
39142	1209	28	been	be	VBN
39142	1209	29	photographed	photograph	VBN
39142	1209	30	,	,	,
39142	1209	31	which	which	WDT
39142	1209	32	demonstrates	demonstrate	VBZ
39142	1209	33	the	the	DT
39142	1209	34	excellence	excellence	NN
39142	1209	35	of	of	IN
39142	1209	36	the	the	DT
39142	1209	37	site	site	NN
39142	1209	38	for	for	IN
39142	1209	39	astronomical	astronomical	JJ
39142	1209	40	research	research	NN
39142	1209	41	.	.	.
39142	1210	1	Within	within	IN
39142	1210	2	recent	recent	JJ
39142	1210	3	years	year	NNS
39142	1210	4	spectrum	spectrum	NN
39142	1210	5	research	research	NN
39142	1210	6	by	by	IN
39142	1210	7	Slipher	Slipher	NNP
39142	1210	8	,	,	,
39142	1210	9	especially	especially	RB
39142	1210	10	on	on	IN
39142	1210	11	the	the	DT
39142	1210	12	nebulæ	nebulæ	NN
39142	1210	13	,	,	,
39142	1210	14	has	have	VBZ
39142	1210	15	been	be	VBN
39142	1210	16	added	add	VBN
39142	1210	17	to	to	IN
39142	1210	18	the	the	DT
39142	1210	19	program	program	NN
39142	1210	20	,	,	,
39142	1210	21	and	and	CC
39142	1210	22	the	the	DT
39142	1210	23	rotation	rotation	NN
39142	1210	24	and	and	CC
39142	1210	25	radial	radial	JJ
39142	1210	26	velocities	velocity	NNS
39142	1210	27	of	of	IN
39142	1210	28	many	many	JJ
39142	1210	29	nebulæ	nebulæ	NNS
39142	1210	30	have	have	VBP
39142	1210	31	been	be	VBN
39142	1210	32	determined	determine	VBN
39142	1210	33	.	.	.
39142	1211	1	On	on	IN
39142	1211	2	Mount	Mount	NNP
39142	1211	3	Wilson	Wilson	NNP
39142	1211	4	,	,	,
39142	1211	5	near	near	IN
39142	1211	6	Pasadena	Pasadena	NNP
39142	1211	7	,	,	,
39142	1211	8	California	California	NNP
39142	1211	9	,	,	,
39142	1211	10	at	at	IN
39142	1211	11	an	an	DT
39142	1211	12	elevation	elevation	NN
39142	1211	13	of	of	IN
39142	1211	14	nearly	nearly	RB
39142	1211	15	6,000	6,000	CD
39142	1211	16	feet	foot	NNS
39142	1211	17	,	,	,
39142	1211	18	is	be	VBZ
39142	1211	19	the	the	DT
39142	1211	20	Carnegie	Carnegie	NNP
39142	1211	21	Solar	Solar	NNP
39142	1211	22	Observatory	Observatory	NNP
39142	1211	23	,	,	,
39142	1211	24	founded	found	VBD
39142	1211	25	and	and	CC
39142	1211	26	equipped	equip	VBN
39142	1211	27	under	under	IN
39142	1211	28	the	the	DT
39142	1211	29	direction	direction	NN
39142	1211	30	of	of	IN
39142	1211	31	Professor	Professor	NNP
39142	1211	32	George	George	NNP
39142	1211	33	E.	E.	NNP
39142	1211	34	Hale	Hale	NNP
39142	1211	35	,	,	,
39142	1211	36	as	as	IN
39142	1211	37	a	a	DT
39142	1211	38	department	department	NN
39142	1211	39	of	of	IN
39142	1211	40	the	the	DT
39142	1211	41	Carnegie	Carnegie	NNP
39142	1211	42	Institution	Institution	NNP
39142	1211	43	of	of	IN
39142	1211	44	Washington	Washington	NNP
39142	1211	45	,	,	,
39142	1211	46	of	of	IN
39142	1211	47	which	which	WDT
39142	1211	48	Dr.	Dr.	NNP
39142	1211	49	John	John	NNP
39142	1211	50	Campbell	Campbell	NNP
39142	1211	51	Merriam	Merriam	NNP
39142	1211	52	is	be	VBZ
39142	1211	53	President	President	NNP
39142	1211	54	.	.	.
39142	1212	1	The	the	DT
39142	1212	2	climatology	climatology	NN
39142	1212	3	of	of	IN
39142	1212	4	the	the	DT
39142	1212	5	region	region	NN
39142	1212	6	was	be	VBD
39142	1212	7	carefully	carefully	RB
39142	1212	8	investigated	investigate	VBN
39142	1212	9	and	and	CC
39142	1212	10	tests	test	NNS
39142	1212	11	of	of	IN
39142	1212	12	the	the	DT
39142	1212	13	seeing	seeing	NN
39142	1212	14	made	make	VBN
39142	1212	15	by	by	IN
39142	1212	16	Hussey	Hussey	NNP
39142	1212	17	and	and	CC
39142	1212	18	others	other	NNS
39142	1212	19	.	.	.
39142	1213	1	Although	although	IN
39142	1213	2	equipped	equip	VBN
39142	1213	3	primarily	primarily	RB
39142	1213	4	for	for	IN
39142	1213	5	study	study	NN
39142	1213	6	of	of	IN
39142	1213	7	the	the	DT
39142	1213	8	sun	sun	NN
39142	1213	9	,	,	,
39142	1213	10	the	the	DT
39142	1213	11	program	program	NN
39142	1213	12	of	of	IN
39142	1213	13	the	the	DT
39142	1213	14	observatory	observatory	NN
39142	1213	15	has	have	VBZ
39142	1213	16	been	be	VBN
39142	1213	17	widely	widely	RB
39142	1213	18	amplified	amplify	VBN
39142	1213	19	to	to	TO
39142	1213	20	include	include	VB
39142	1213	21	the	the	DT
39142	1213	22	stars	star	NNS
39142	1213	23	and	and	CC
39142	1213	24	nebulæ	nebulæ	NN
39142	1213	25	.	.	.
39142	1214	1	The	the	DT
39142	1214	2	instrumental	instrumental	JJ
39142	1214	3	equipment	equipment	NN
39142	1214	4	is	be	VBZ
39142	1214	5	unique	unique	JJ
39142	1214	6	in	in	IN
39142	1214	7	many	many	JJ
39142	1214	8	respects	respect	NNS
39142	1214	9	.	.	.
39142	1215	1	To	to	TO
39142	1215	2	avoid	avoid	VB
39142	1215	3	the	the	DT
39142	1215	4	harmful	harmful	JJ
39142	1215	5	effect	effect	NN
39142	1215	6	of	of	IN
39142	1215	7	unsteadiness	unsteadiness	NN
39142	1215	8	of	of	IN
39142	1215	9	air	air	NN
39142	1215	10	strata	strata	NN
39142	1215	11	close	close	RB
39142	1215	12	to	to	IN
39142	1215	13	the	the	DT
39142	1215	14	ground	ground	NN
39142	1215	15	a	a	DT
39142	1215	16	tower	tower	NN
39142	1215	17	150	150	CD
39142	1215	18	feet	foot	NNS
39142	1215	19	high	high	JJ
39142	1215	20	was	be	VBD
39142	1215	21	erected	erect	VBN
39142	1215	22	,	,	,
39142	1215	23	with	with	IN
39142	1215	24	a	a	DT
39142	1215	25	dome	dome	NN
39142	1215	26	surmounting	surmount	VBG
39142	1215	27	it	-PRON-	PRP
39142	1215	28	and	and	CC
39142	1215	29	covering	cover	VBG
39142	1215	30	a	a	DT
39142	1215	31	coelostat	coelostat	NN
39142	1215	32	with	with	IN
39142	1215	33	mirror	mirror	NN
39142	1215	34	for	for	IN
39142	1215	35	reflecting	reflect	VBG
39142	1215	36	the	the	DT
39142	1215	37	sun	sun	NN
39142	1215	38	's	's	POS
39142	1215	39	rays	ray	NNS
39142	1215	40	vertically	vertically	RB
39142	1215	41	downward	downward	RB
39142	1215	42	.	.	.
39142	1216	1	Underneath	underneath	IN
39142	1216	2	the	the	DT
39142	1216	3	tower	tower	NN
39142	1216	4	a	a	DT
39142	1216	5	dry	dry	JJ
39142	1216	6	well	well	NN
39142	1216	7	was	be	VBD
39142	1216	8	excavated	excavate	VBN
39142	1216	9	to	to	IN
39142	1216	10	a	a	DT
39142	1216	11	depth	depth	NN
39142	1216	12	equal	equal	JJ
39142	1216	13	to	to	IN
39142	1216	14	1/2	1/2	CD
39142	1216	15	the	the	DT
39142	1216	16	height	height	NN
39142	1216	17	of	of	IN
39142	1216	18	the	the	DT
39142	1216	19	tower	tower	NN
39142	1216	20	above	above	IN
39142	1216	21	it	-PRON-	PRP
39142	1216	22	.	.	.
39142	1217	1	In	in	IN
39142	1217	2	the	the	DT
39142	1217	3	subterranean	subterranean	JJ
39142	1217	4	chamber	chamber	NN
39142	1217	5	is	be	VBZ
39142	1217	6	the	the	DT
39142	1217	7	spectroheliograph	spectroheliograph	NN
39142	1217	8	of	of	IN
39142	1217	9	exceptional	exceptional	JJ
39142	1217	10	size	size	NN
39142	1217	11	and	and	CC
39142	1217	12	power	power	NN
39142	1217	13	.	.	.
39142	1218	1	The	the	DT
39142	1218	2	sun	sun	NN
39142	1218	3	's	's	POS
39142	1218	4	original	original	JJ
39142	1218	5	image	image	NN
39142	1218	6	is	be	VBZ
39142	1218	7	nearly	nearly	RB
39142	1218	8	17	17	CD
39142	1218	9	inches	inch	NNS
39142	1218	10	in	in	IN
39142	1218	11	diameter	diameter	NN
39142	1218	12	on	on	IN
39142	1218	13	the	the	DT
39142	1218	14	plate	plate	NN
39142	1218	15	,	,	,
39142	1218	16	and	and	CC
39142	1218	17	the	the	DT
39142	1218	18	solar	solar	JJ
39142	1218	19	chromosphere	chromosphere	NN
39142	1218	20	and	and	CC
39142	1218	21	prominences	prominence	NNS
39142	1218	22	,	,	,
39142	1218	23	together	together	RB
39142	1218	24	with	with	IN
39142	1218	25	the	the	DT
39142	1218	26	photosphere	photosphere	NN
39142	1218	27	and	and	CC
39142	1218	28	faculæ	faculæ	NN
39142	1218	29	,	,	,
39142	1218	30	are	be	VBP
39142	1218	31	all	all	DT
39142	1218	32	recorded	record	VBN
39142	1218	33	by	by	IN
39142	1218	34	monochromatic	monochromatic	JJ
39142	1218	35	light	light	NN
39142	1218	36	.	.	.
39142	1219	1	Connected	connect	VBN
39142	1219	2	with	with	IN
39142	1219	3	the	the	DT
39142	1219	4	observatory	observatory	NN
39142	1219	5	on	on	IN
39142	1219	6	Mount	Mount	NNP
39142	1219	7	Wilson	Wilson	NNP
39142	1219	8	are	be	VBP
39142	1219	9	the	the	DT
39142	1219	10	laboratories	laboratory	NNS
39142	1219	11	,	,	,
39142	1219	12	offices	office	NNS
39142	1219	13	and	and	CC
39142	1219	14	instrument	instrument	NN
39142	1219	15	shops	shop	NNS
39142	1219	16	in	in	IN
39142	1219	17	Pasadena	Pasadena	NNP
39142	1219	18	,	,	,
39142	1219	19	16	16	CD
39142	1219	20	miles	mile	NNS
39142	1219	21	distant	distant	JJ
39142	1219	22	,	,	,
39142	1219	23	where	where	WRB
39142	1219	24	the	the	DT
39142	1219	25	remarkable	remarkable	JJ
39142	1219	26	apparatus	apparatus	NN
39142	1219	27	for	for	IN
39142	1219	28	use	use	NN
39142	1219	29	on	on	IN
39142	1219	30	the	the	DT
39142	1219	31	mountain	mountain	NN
39142	1219	32	is	be	VBZ
39142	1219	33	constructed	construct	VBN
39142	1219	34	.	.	.
39142	1220	1	A	a	DT
39142	1220	2	reflecting	reflect	VBG
39142	1220	3	telescope	telescope	NN
39142	1220	4	with	with	IN
39142	1220	5	silver	silver	NN
39142	1220	6	-	-	HYPH
39142	1220	7	on	on	IN
39142	1220	8	-	-	HYPH
39142	1220	9	glass	glass	NN
39142	1220	10	mirror	mirror	NN
39142	1220	11	60	60	CD
39142	1220	12	inches	inch	NNS
39142	1220	13	in	in	IN
39142	1220	14	diameter	diameter	NN
39142	1220	15	was	be	VBD
39142	1220	16	first	first	RB
39142	1220	17	built	build	VBN
39142	1220	18	by	by	IN
39142	1220	19	Ritchey	Ritchey	NNP
39142	1220	20	and	and	CC
39142	1220	21	thoroughly	thoroughly	RB
39142	1220	22	tested	test	VBN
39142	1220	23	by	by	IN
39142	1220	24	stellar	stellar	JJ
39142	1220	25	photographs	photograph	NNS
39142	1220	26	.	.	.
39142	1221	1	Also	also	RB
39142	1221	2	the	the	DT
39142	1221	3	northern	northern	JJ
39142	1221	4	spiral	spiral	JJ
39142	1221	5	nebulæ	nebulæ	NN
39142	1221	6	were	be	VBD
39142	1221	7	photographed	photograph	VBN
39142	1221	8	,	,	,
39142	1221	9	exhibiting	exhibit	VBG
39142	1221	10	an	an	DT
39142	1221	11	extraordinary	extraordinary	JJ
39142	1221	12	wealth	wealth	NN
39142	1221	13	of	of	IN
39142	1221	14	detail	detail	NN
39142	1221	15	in	in	IN
39142	1221	16	apparent	apparent	JJ
39142	1221	17	star	star	NN
39142	1221	18	formation	formation	NN
39142	1221	19	.	.	.
39142	1222	1	The	the	DT
39142	1222	2	success	success	NN
39142	1222	3	of	of	IN
39142	1222	4	this	this	DT
39142	1222	5	instrument	instrument	NN
39142	1222	6	paved	pave	VBD
39142	1222	7	the	the	DT
39142	1222	8	way	way	NN
39142	1222	9	for	for	IN
39142	1222	10	one	one	CD
39142	1222	11	similar	similar	JJ
39142	1222	12	in	in	IN
39142	1222	13	design	design	NN
39142	1222	14	,	,	,
39142	1222	15	but	but	CC
39142	1222	16	with	with	IN
39142	1222	17	a	a	DT
39142	1222	18	mirror	mirror	NN
39142	1222	19	100	100	CD
39142	1222	20	inches	inch	NNS
39142	1222	21	in	in	IN
39142	1222	22	diameter	diameter	NN
39142	1222	23	,	,	,
39142	1222	24	provided	provide	VBN
39142	1222	25	by	by	IN
39142	1222	26	gift	gift	NN
39142	1222	27	of	of	IN
39142	1222	28	the	the	DT
39142	1222	29	late	late	JJ
39142	1222	30	John	John	NNP
39142	1222	31	D.	D.	NNP
39142	1222	32	Hooker	Hooker	NNP
39142	1222	33	of	of	IN
39142	1222	34	Los	Los	NNP
39142	1222	35	Angeles	Angeles	NNP
39142	1222	36	.	.	.
39142	1223	1	The	the	DT
39142	1223	2	telescope	telescope	NN
39142	1223	3	was	be	VBD
39142	1223	4	completed	complete	VBN
39142	1223	5	in	in	IN
39142	1223	6	1919	1919	CD
39142	1223	7	.	.	.
39142	1224	1	Notwithstanding	notwithstanding	IN
39142	1224	2	its	-PRON-	PRP$
39142	1224	3	huge	huge	JJ
39142	1224	4	size	size	NN
39142	1224	5	and	and	CC
39142	1224	6	enormous	enormous	JJ
39142	1224	7	weight	weight	NN
39142	1224	8	,	,	,
39142	1224	9	the	the	DT
39142	1224	10	mounting	mounting	NN
39142	1224	11	is	be	VBZ
39142	1224	12	very	very	RB
39142	1224	13	successful	successful	JJ
39142	1224	14	,	,	,
39142	1224	15	as	as	RB
39142	1224	16	well	well	RB
39142	1224	17	as	as	IN
39142	1224	18	the	the	DT
39142	1224	19	mirror	mirror	NN
39142	1224	20	.	.	.
39142	1225	1	Mercurial	mercurial	JJ
39142	1225	2	bearings	bearing	NNS
39142	1225	3	counterbalance	counterbalance	VBP
39142	1225	4	the	the	DT
39142	1225	5	weight	weight	NN
39142	1225	6	of	of	IN
39142	1225	7	the	the	DT
39142	1225	8	polar	polar	JJ
39142	1225	9	axis	axi	NNS
39142	1225	10	in	in	IN
39142	1225	11	large	large	JJ
39142	1225	12	part	part	NN
39142	1225	13	.	.	.
39142	1226	1	This	this	DT
39142	1226	2	great	great	JJ
39142	1226	3	telescope	telescope	NN
39142	1226	4	,	,	,
39142	1226	5	by	by	IN
39142	1226	6	far	far	RB
39142	1226	7	the	the	DT
39142	1226	8	largest	large	JJS
39142	1226	9	and	and	CC
39142	1226	10	most	most	RBS
39142	1226	11	powerful	powerful	JJ
39142	1226	12	ever	ever	RB
39142	1226	13	constructed	construct	VBN
39142	1226	14	,	,	,
39142	1226	15	is	be	VBZ
39142	1226	16	now	now	RB
39142	1226	17	employed	employ	VBN
39142	1226	18	on	on	IN
39142	1226	19	a	a	DT
39142	1226	20	program	program	NN
39142	1226	21	of	of	IN
39142	1226	22	research	research	NN
39142	1226	23	in	in	IN
39142	1226	24	which	which	WDT
39142	1226	25	its	-PRON-	PRP$
39142	1226	26	vast	vast	JJ
39142	1226	27	light	light	NN
39142	1226	28	-	-	HYPH
39142	1226	29	gathering	gather	VBG
39142	1226	30	power	power	NN
39142	1226	31	will	will	MD
39142	1226	32	be	be	VB
39142	1226	33	utilized	utilize	VBN
39142	1226	34	to	to	IN
39142	1226	35	the	the	DT
39142	1226	36	full	full	JJ
39142	1226	37	.	.	.
39142	1227	1	Under	under	IN
39142	1227	2	the	the	DT
39142	1227	3	skillful	skillful	JJ
39142	1227	4	management	management	NN
39142	1227	5	of	of	IN
39142	1227	6	Hale	Hale	NNP
39142	1227	7	and	and	CC
39142	1227	8	his	-PRON-	PRP$
39142	1227	9	enthusiastic	enthusiastic	JJ
39142	1227	10	and	and	CC
39142	1227	11	capable	capable	JJ
39142	1227	12	colleagues	colleague	NNS
39142	1227	13	,	,	,
39142	1227	14	the	the	DT
39142	1227	15	confines	confine	NNS
39142	1227	16	of	of	IN
39142	1227	17	the	the	DT
39142	1227	18	stellar	stellar	JJ
39142	1227	19	heavens	heaven	NNS
39142	1227	20	will	will	MD
39142	1227	21	be	be	VB
39142	1227	22	enormously	enormously	RB
39142	1227	23	extended	extend	VBN
39142	1227	24	,	,	,
39142	1227	25	and	and	CC
39142	1227	26	secrets	secret	NNS
39142	1227	27	of	of	IN
39142	1227	28	evolution	evolution	NN
39142	1227	29	of	of	IN
39142	1227	30	the	the	DT
39142	1227	31	universe	universe	NN
39142	1227	32	and	and	CC
39142	1227	33	of	of	IN
39142	1227	34	its	-PRON-	PRP$
39142	1227	35	structure	structure	NN
39142	1227	36	no	no	RB
39142	1227	37	doubt	doubt	RB
39142	1227	38	revealed	reveal	VBN
39142	1227	39	.	.	.
39142	1228	1	In	in	IN
39142	1228	2	all	all	PDT
39142	1228	3	the	the	DT
39142	1228	4	mountain	mountain	NN
39142	1228	5	stations	station	NNS
39142	1228	6	hitherto	hitherto	NNP
39142	1228	7	established	establish	VBN
39142	1228	8	,	,	,
39142	1228	9	as	as	IN
39142	1228	10	the	the	DT
39142	1228	11	Lick	Lick	NNP
39142	1228	12	Observatory	Observatory	NNP
39142	1228	13	at	at	IN
39142	1228	14	4,000	4,000	CD
39142	1228	15	feet	foot	NNS
39142	1228	16	,	,	,
39142	1228	17	the	the	DT
39142	1228	18	Mount	Mount	NNP
39142	1228	19	Wilson	Wilson	NNP
39142	1228	20	Observatory	Observatory	NNP
39142	1228	21	at	at	IN
39142	1228	22	6,000	6,000	CD
39142	1228	23	feet	foot	NNS
39142	1228	24	,	,	,
39142	1228	25	the	the	DT
39142	1228	26	Lowell	Lowell	NNP
39142	1228	27	Observatory	Observatory	NNP
39142	1228	28	at	at	IN
39142	1228	29	7,000	7,000	CD
39142	1228	30	feet	foot	NNS
39142	1228	31	,	,	,
39142	1228	32	the	the	DT
39142	1228	33	Harvard	Harvard	NNP
39142	1228	34	Observatory	Observatory	NNP
39142	1228	35	at	at	IN
39142	1228	36	8,000	8,000	CD
39142	1228	37	feet	foot	NNS
39142	1228	38	;	;	:
39142	1228	39	and	and	CC
39142	1228	40	Teneriffe	Teneriffe	NNP
39142	1228	41	and	and	CC
39142	1228	42	Etna	Etna	NNP
39142	1228	43	at	at	IN
39142	1228	44	10,000	10,000	CD
39142	1228	45	,	,	,
39142	1228	46	Fujiyama	Fujiyama	NNP
39142	1228	47	at	at	IN
39142	1228	48	12,000	12,000	CD
39142	1228	49	,	,	,
39142	1228	50	Pike	Pike	NNP
39142	1228	51	's	's	POS
39142	1228	52	Peak	Peak	NNP
39142	1228	53	at	at	IN
39142	1228	54	14,000	14,000	CD
39142	1228	55	,	,	,
39142	1228	56	Mont	Mont	NNP
39142	1228	57	Blanc	Blanc	NNP
39142	1228	58	and	and	CC
39142	1228	59	Mount	Mount	NNP
39142	1228	60	Whitney	Whitney	NNP
39142	1228	61	at	at	IN
39142	1228	62	15,000	15,000	CD
39142	1228	63	,	,	,
39142	1228	64	the	the	DT
39142	1228	65	researches	research	NNS
39142	1228	66	that	that	WDT
39142	1228	67	have	have	VBP
39142	1228	68	been	be	VBN
39142	1228	69	carried	carry	VBN
39142	1228	70	on	on	IN
39142	1228	71	have	have	VBP
39142	1228	72	fully	fully	RB
39142	1228	73	demonstrated	demonstrate	VBN
39142	1228	74	the	the	DT
39142	1228	75	vast	vast	JJ
39142	1228	76	advantage	advantage	NN
39142	1228	77	of	of	IN
39142	1228	78	increased	increase	VBN
39142	1228	79	elevation	elevation	NN
39142	1228	80	in	in	IN
39142	1228	81	localities	locality	NNS
39142	1228	82	where	where	WRB
39142	1228	83	climatological	climatological	JJ
39142	1228	84	conditions	condition	NNS
39142	1228	85	as	as	RB
39142	1228	86	well	well	RB
39142	1228	87	as	as	IN
39142	1228	88	elevation	elevation	NN
39142	1228	89	are	be	VBP
39142	1228	90	favorable	favorable	JJ
39142	1228	91	.	.	.
39142	1229	1	Nevertheless	nevertheless	RB
39142	1229	2	,	,	,
39142	1229	3	only	only	RB
39142	1229	4	one	one	CD
39142	1229	5	-	-	HYPH
39142	1229	6	half	half	NN
39142	1229	7	of	of	IN
39142	1229	8	the	the	DT
39142	1229	9	extreme	extreme	JJ
39142	1229	10	altitude	altitude	NN
39142	1229	11	contemplated	contemplate	VBN
39142	1229	12	by	by	IN
39142	1229	13	Sir	Sir	NNP
39142	1229	14	Isaac	Isaac	NNP
39142	1229	15	Newton	Newton	NNP
39142	1229	16	has	have	VBZ
39142	1229	17	yet	yet	RB
39142	1229	18	been	be	VBN
39142	1229	19	attained	attain	VBN
39142	1229	20	.	.	.
39142	1230	1	Can	Can	MD
39142	1230	2	the	the	DT
39142	1230	3	greater	great	JJR
39142	1230	4	heights	height	NNS
39142	1230	5	be	be	VB
39142	1230	6	reached	reach	VBN
39142	1230	7	and	and	CC
39142	1230	8	permanently	permanently	RB
39142	1230	9	occupied	occupy	VBN
39142	1230	10	?	?	.
39142	1231	1	Geographically	geographically	RB
39142	1231	2	and	and	CC
39142	1231	3	astronomically	astronomically	RB
39142	1231	4	the	the	DT
39142	1231	5	most	most	RBS
39142	1231	6	favorably	favorably	RB
39142	1231	7	located	locate	VBN
39142	1231	8	mountain	mountain	NN
39142	1231	9	for	for	IN
39142	1231	10	a	a	DT
39142	1231	11	great	great	JJ
39142	1231	12	observatory	observatory	NN
39142	1231	13	is	be	VBZ
39142	1231	14	Mount	Mount	NNP
39142	1231	15	Chimborazo	Chimborazo	NNP
39142	1231	16	in	in	IN
39142	1231	17	Ecuador	Ecuador	NNP
39142	1231	18	.	.	.
39142	1232	1	Its	-PRON-	PRP$
39142	1232	2	elevation	elevation	NN
39142	1232	3	is	be	VBZ
39142	1232	4	22,000	22,000	CD
39142	1232	5	feet	foot	NNS
39142	1232	6	,	,	,
39142	1232	7	and	and	CC
39142	1232	8	it	-PRON-	PRP
39142	1232	9	was	be	VBD
39142	1232	10	ascended	ascend	VBN
39142	1232	11	by	by	IN
39142	1232	12	Edward	Edward	NNP
39142	1232	13	Whymper	Whymper	NNP
39142	1232	14	in	in	IN
39142	1232	15	1880	1880	CD
39142	1232	16	.	.	.
39142	1233	1	Situated	situate	VBN
39142	1233	2	very	very	RB
39142	1233	3	nearly	nearly	RB
39142	1233	4	on	on	IN
39142	1233	5	the	the	DT
39142	1233	6	earth	earth	NN
39142	1233	7	's	's	POS
39142	1233	8	equator	equator	NN
39142	1233	9	,	,	,
39142	1233	10	almost	almost	RB
39142	1233	11	the	the	DT
39142	1233	12	entire	entire	JJ
39142	1233	13	sidereal	sidereal	JJ
39142	1233	14	heavens	heaven	NNS
39142	1233	15	are	be	VBP
39142	1233	16	visible	visible	JJ
39142	1233	17	from	from	IN
39142	1233	18	this	this	DT
39142	1233	19	single	single	JJ
39142	1233	20	station	station	NN
39142	1233	21	,	,	,
39142	1233	22	and	and	CC
39142	1233	23	all	all	PDT
39142	1233	24	the	the	DT
39142	1233	25	planets	planet	NNS
39142	1233	26	are	be	VBP
39142	1233	27	favored	favor	VBN
39142	1233	28	by	by	IN
39142	1233	29	circumzenith	circumzenith	NN
39142	1233	30	conditions	condition	NNS
39142	1233	31	when	when	WRB
39142	1233	32	passing	pass	VBG
39142	1233	33	the	the	DT
39142	1233	34	meridian	meridian	NNP
39142	1233	35	.	.	.
39142	1234	1	No	no	DT
39142	1234	2	other	other	JJ
39142	1234	3	mountain	mountain	NN
39142	1234	4	in	in	IN
39142	1234	5	the	the	DT
39142	1234	6	world	world	NN
39142	1234	7	approaches	approach	VBZ
39142	1234	8	Chimborazo	Chimborazo	NNPS
39142	1234	9	in	in	IN
39142	1234	10	this	this	DT
39142	1234	11	respect	respect	NN
39142	1234	12	.	.	.
39142	1235	1	But	but	CC
39142	1235	2	the	the	DT
39142	1235	3	summit	summit	NN
39142	1235	4	is	be	VBZ
39142	1235	5	perpetually	perpetually	RB
39142	1235	6	snow	snow	NN
39142	1235	7	-	-	HYPH
39142	1235	8	capped	cap	VBN
39142	1235	9	,	,	,
39142	1235	10	exceedingly	exceedingly	RB
39142	1235	11	inaccessible	inaccessible	JJ
39142	1235	12	,	,	,
39142	1235	13	and	and	CC
39142	1235	14	the	the	DT
39142	1235	15	defect	defect	NN
39142	1235	16	of	of	IN
39142	1235	17	barometric	barometric	JJ
39142	1235	18	pressure	pressure	NN
39142	1235	19	would	would	MD
39142	1235	20	make	make	VB
39142	1235	21	life	life	NN
39142	1235	22	impossible	impossible	JJ
39142	1235	23	up	up	RB
39142	1235	24	there	there	RB
39142	1235	25	in	in	IN
39142	1235	26	the	the	DT
39142	1235	27	open	open	NN
39142	1235	28	.	.	.
39142	1236	1	Only	only	RB
39142	1236	2	one	one	CD
39142	1236	3	method	method	NN
39142	1236	4	of	of	IN
39142	1236	5	occupation	occupation	NN
39142	1236	6	appears	appear	VBZ
39142	1236	7	to	to	TO
39142	1236	8	be	be	VB
39142	1236	9	feasible	feasible	JJ
39142	1236	10	.	.	.
39142	1237	1	The	the	DT
39142	1237	2	permanent	permanent	JJ
39142	1237	3	snow	snow	NN
39142	1237	4	line	line	NN
39142	1237	5	is	be	VBZ
39142	1237	6	at	at	IN
39142	1237	7	about	about	RB
39142	1237	8	16,000	16,000	CD
39142	1237	9	feet	foot	NNS
39142	1237	10	,	,	,
39142	1237	11	where	where	WRB
39142	1237	12	excellent	excellent	JJ
39142	1237	13	water	water	NN
39142	1237	14	power	power	NN
39142	1237	15	is	be	VBZ
39142	1237	16	available	available	JJ
39142	1237	17	.	.	.
39142	1238	1	By	by	IN
39142	1238	2	tunneling	tunnel	VBG
39142	1238	3	into	into	IN
39142	1238	4	the	the	DT
39142	1238	5	mountain	mountain	NN
39142	1238	6	at	at	IN
39142	1238	7	this	this	DT
39142	1238	8	point	point	NN
39142	1238	9	,	,	,
39142	1238	10	and	and	CC
39142	1238	11	diagonally	diagonally	RB
39142	1238	12	upward	upward	RB
39142	1238	13	to	to	IN
39142	1238	14	the	the	DT
39142	1238	15	summit	summit	NN
39142	1238	16	,	,	,
39142	1238	17	permanent	permanent	JJ
39142	1238	18	occupation	occupation	NN
39142	1238	19	could	could	MD
39142	1238	20	be	be	VB
39142	1238	21	accomplished	accomplish	VBN
39142	1238	22	,	,	,
39142	1238	23	at	at	IN
39142	1238	24	a	a	DT
39142	1238	25	cost	cost	NN
39142	1238	26	not	not	RB
39142	1238	27	to	to	TO
39142	1238	28	exceed	exceed	VB
39142	1238	29	one	one	CD
39142	1238	30	million	million	CD
39142	1238	31	dollars	dollar	NNS
39142	1238	32	.	.	.
39142	1239	1	The	the	DT
39142	1239	2	rooms	room	NNS
39142	1239	3	of	of	IN
39142	1239	4	the	the	DT
39142	1239	5	summit	summit	NN
39142	1239	6	observatory	observatory	NN
39142	1239	7	would	would	MD
39142	1239	8	need	need	VB
39142	1239	9	to	to	TO
39142	1239	10	be	be	VB
39142	1239	11	built	build	VBN
39142	1239	12	as	as	IN
39142	1239	13	steel	steel	NN
39142	1239	14	caissons	caisson	NNS
39142	1239	15	,	,	,
39142	1239	16	and	and	CC
39142	1239	17	supplied	supply	VBN
39142	1239	18	with	with	IN
39142	1239	19	compressed	compress	VBN
39142	1239	20	air	air	NN
39142	1239	21	at	at	IN
39142	1239	22	sea	sea	NN
39142	1239	23	-	-	HYPH
39142	1239	24	level	level	NN
39142	1239	25	tension	tension	NN
39142	1239	26	.	.	.
39142	1240	1	The	the	DT
39142	1240	2	practicability	practicability	NN
39142	1240	3	of	of	IN
39142	1240	4	this	this	DT
39142	1240	5	plan	plan	NN
39142	1240	6	was	be	VBD
39142	1240	7	demonstrated	demonstrate	VBN
39142	1240	8	by	by	IN
39142	1240	9	the	the	DT
39142	1240	10	writer	writer	NN
39142	1240	11	in	in	IN
39142	1240	12	September	September	NNP
39142	1240	13	,	,	,
39142	1240	14	1907	1907	CD
39142	1240	15	,	,	,
39142	1240	16	at	at	IN
39142	1240	17	Cerro	Cerro	NNP
39142	1240	18	de	de	NNP
39142	1240	19	Pasco	Pasco	NNP
39142	1240	20	,	,	,
39142	1240	21	Peru	Peru	NNP
39142	1240	22	.	.	.
39142	1241	1	A	a	DT
39142	1241	2	steel	steel	NN
39142	1241	3	caisson	caisson	NN
39142	1241	4	was	be	VBD
39142	1241	5	carried	carry	VBN
39142	1241	6	up	up	RP
39142	1241	7	to	to	IN
39142	1241	8	an	an	DT
39142	1241	9	elevation	elevation	NN
39142	1241	10	exceeding	exceed	VBG
39142	1241	11	14,000	14,000	CD
39142	1241	12	feet	foot	NNS
39142	1241	13	.	.	.
39142	1242	1	Patients	patient	NNS
39142	1242	2	suffering	suffer	VBG
39142	1242	3	acutely	acutely	RB
39142	1242	4	with	with	IN
39142	1242	5	mountain	mountain	NN
39142	1242	6	sickness	sickness	NN
39142	1242	7	were	be	VBD
39142	1242	8	placed	place	VBN
39142	1242	9	inside	inside	IN
39142	1242	10	this	this	DT
39142	1242	11	caisson	caisson	NN
39142	1242	12	,	,	,
39142	1242	13	and	and	CC
39142	1242	14	on	on	IN
39142	1242	15	restoring	restore	VBG
39142	1242	16	the	the	DT
39142	1242	17	atmospheric	atmospheric	JJ
39142	1242	18	pressure	pressure	NN
39142	1242	19	within	within	IN
39142	1242	20	it	-PRON-	PRP
39142	1242	21	artificially	artificially	RB
39142	1242	22	all	all	DT
39142	1242	23	unfavorable	unfavorable	JJ
39142	1242	24	symptoms	symptom	NNS
39142	1242	25	--	--	:
39142	1242	26	headache	headache	NNP
39142	1242	27	,	,	,
39142	1242	28	high	high	JJ
39142	1242	29	respiration	respiration	NN
39142	1242	30	and	and	CC
39142	1242	31	accelerated	accelerated	JJ
39142	1242	32	pulse	pulse	NN
39142	1242	33	--	--	:
39142	1242	34	disappeared	disappear	VBD
39142	1242	35	.	.	.
39142	1243	1	There	there	EX
39142	1243	2	was	be	VBD
39142	1243	3	every	every	DT
39142	1243	4	indication	indication	NN
39142	1243	5	that	that	IN
39142	1243	6	if	if	IN
39142	1243	7	persons	person	NNS
39142	1243	8	liable	liable	JJ
39142	1243	9	to	to	IN
39142	1243	10	this	this	DT
39142	1243	11	uncomfortable	uncomfortable	JJ
39142	1243	12	complaint	complaint	NN
39142	1243	13	were	be	VBD
39142	1243	14	brought	bring	VBN
39142	1243	15	up	up	RP
39142	1243	16	to	to	IN
39142	1243	17	this	this	DT
39142	1243	18	elevation	elevation	NN
39142	1243	19	,	,	,
39142	1243	20	or	or	CC
39142	1243	21	indeed	indeed	RB
39142	1243	22	any	any	DT
39142	1243	23	attainable	attainable	JJ
39142	1243	24	elevation	elevation	NN
39142	1243	25	,	,	,
39142	1243	26	under	under	IN
39142	1243	27	unreduced	unreduced	JJ
39142	1243	28	pressure	pressure	NN
39142	1243	29	,	,	,
39142	1243	30	the	the	DT
39142	1243	31	symptoms	symptom	NNS
39142	1243	32	of	of	IN
39142	1243	33	mountain	mountain	NN
39142	1243	34	sickness	sickness	NN
39142	1243	35	would	would	MD
39142	1243	36	be	be	VB
39142	1243	37	unknown	unknown	JJ
39142	1243	38	.	.	.
39142	1244	1	Comfortable	comfortable	JJ
39142	1244	2	occupation	occupation	NN
39142	1244	3	of	of	IN
39142	1244	4	the	the	DT
39142	1244	5	highest	high	JJS
39142	1244	6	mountain	mountain	NN
39142	1244	7	summits	summit	NNS
39142	1244	8	was	be	VBD
39142	1244	9	thereby	thereby	RB
39142	1244	10	assured	assure	VBN
39142	1244	11	.	.	.
39142	1245	1	The	the	DT
39142	1245	2	working	working	NN
39142	1245	3	of	of	IN
39142	1245	4	astronomical	astronomical	JJ
39142	1245	5	instruments	instrument	NNS
39142	1245	6	from	from	IN
39142	1245	7	within	within	IN
39142	1245	8	air	air	NN
39142	1245	9	-	-	HYPH
39142	1245	10	tight	tight	JJ
39142	1245	11	compartments	compartment	NNS
39142	1245	12	does	do	VBZ
39142	1245	13	not	not	RB
39142	1245	14	present	present	VB
39142	1245	15	any	any	DT
39142	1245	16	insurmountable	insurmountable	JJ
39142	1245	17	difficulties	difficulty	NNS
39142	1245	18	,	,	,
39142	1245	19	either	either	CC
39142	1245	20	mechanical	mechanical	JJ
39142	1245	21	or	or	CC
39142	1245	22	physical	physical	JJ
39142	1245	23	.	.	.
39142	1246	1	Since	since	IN
39142	1246	2	the	the	DT
39142	1246	3	time	time	NN
39142	1246	4	these	these	DT
39142	1246	5	experiments	experiment	NNS
39142	1246	6	were	be	VBD
39142	1246	7	made	make	VBN
39142	1246	8	,	,	,
39142	1246	9	the	the	DT
39142	1246	10	Guayaquil	Guayaquil	NNP
39142	1246	11	-	-	HYPH
39142	1246	12	Quito	Quito	NNP
39142	1246	13	railway	railway	NN
39142	1246	14	has	have	VBZ
39142	1246	15	been	be	VBN
39142	1246	16	constructed	construct	VBN
39142	1246	17	over	over	IN
39142	1246	18	a	a	DT
39142	1246	19	saddle	saddle	NN
39142	1246	20	of	of	IN
39142	1246	21	Chimborazo	Chimborazo	NNP
39142	1246	22	,	,	,
39142	1246	23	at	at	IN
39142	1246	24	an	an	DT
39142	1246	25	elevation	elevation	NN
39142	1246	26	of	of	IN
39142	1246	27	12,000	12,000	CD
39142	1246	28	feet	foot	NNS
39142	1246	29	;	;	:
39142	1246	30	and	and	CC
39142	1246	31	only	only	RB
39142	1246	32	six	six	CD
39142	1246	33	miles	mile	NNS
39142	1246	34	of	of	IN
39142	1246	35	railway	railway	NN
39142	1246	36	would	would	MD
39142	1246	37	need	need	VB
39142	1246	38	to	to	TO
39142	1246	39	be	be	VB
39142	1246	40	built	build	VBN
39142	1246	41	from	from	IN
39142	1246	42	this	this	DT
39142	1246	43	station	station	NN
39142	1246	44	to	to	IN
39142	1246	45	the	the	DT
39142	1246	46	point	point	NN
39142	1246	47	where	where	WRB
39142	1246	48	the	the	DT
39142	1246	49	tunnel	tunnel	NN
39142	1246	50	would	would	MD
39142	1246	51	enter	enter	VB
39142	1246	52	the	the	DT
39142	1246	53	mountain	mountain	NN
39142	1246	54	.	.	.
39142	1247	1	Only	only	RB
39142	1247	2	by	by	IN
39142	1247	3	the	the	DT
39142	1247	4	execution	execution	NN
39142	1247	5	of	of	IN
39142	1247	6	some	some	DT
39142	1247	7	such	such	JJ
39142	1247	8	plan	plan	NN
39142	1247	9	as	as	IN
39142	1247	10	this	this	DT
39142	1247	11	can	can	MD
39142	1247	12	astronomers	astronomer	NNS
39142	1247	13	hope	hope	VB
39142	1247	14	to	to	TO
39142	1247	15	overcome	overcome	VB
39142	1247	16	the	the	DT
39142	1247	17	baleful	baleful	JJ
39142	1247	18	effects	effect	NNS
39142	1247	19	of	of	IN
39142	1247	20	an	an	DT
39142	1247	21	ever	ever	RB
39142	1247	22	mobile	mobile	JJ
39142	1247	23	atmosphere	atmosphere	NN
39142	1247	24	,	,	,
39142	1247	25	and	and	CC
39142	1247	26	secure	secure	VB
39142	1247	27	the	the	DT
39142	1247	28	advantages	advantage	NNS
39142	1247	29	contemplated	contemplate	VBN
39142	1247	30	by	by	IN
39142	1247	31	Sir	Sir	NNP
39142	1247	32	Isaac	Isaac	NNP
39142	1247	33	Newton	Newton	NNP
39142	1247	34	in	in	IN
39142	1247	35	that	that	DT
39142	1247	36	tranquillity	tranquillity	NN
39142	1247	37	of	of	IN
39142	1247	38	atmosphere	atmosphere	NN
39142	1247	39	,	,	,
39142	1247	40	which	which	WDT
39142	1247	41	he	-PRON-	PRP
39142	1247	42	conceived	conceive	VBD
39142	1247	43	as	as	RB
39142	1247	44	perpetually	perpetually	RB
39142	1247	45	surrounding	surround	VBG
39142	1247	46	the	the	DT
39142	1247	47	summits	summit	NNS
39142	1247	48	of	of	IN
39142	1247	49	the	the	DT
39142	1247	50	highest	high	JJS
39142	1247	51	mountains	mountain	NNS
39142	1247	52	.	.	.
39142	1248	1	In	in	IN
39142	1248	2	Russell	Russell	NNP
39142	1248	3	's	's	POS
39142	1248	4	theory	theory	NN
39142	1248	5	of	of	IN
39142	1248	6	the	the	DT
39142	1248	7	progressive	progressive	JJ
39142	1248	8	development	development	NN
39142	1248	9	of	of	IN
39142	1248	10	the	the	DT
39142	1248	11	stars	star	NNS
39142	1248	12	,	,	,
39142	1248	13	from	from	IN
39142	1248	14	the	the	DT
39142	1248	15	giant	giant	JJ
39142	1248	16	class	class	NN
39142	1248	17	to	to	IN
39142	1248	18	the	the	DT
39142	1248	19	dwarf	dwarf	NN
39142	1248	20	,	,	,
39142	1248	21	an	an	DT
39142	1248	22	element	element	NN
39142	1248	23	of	of	IN
39142	1248	24	verification	verification	NN
39142	1248	25	from	from	IN
39142	1248	26	observation	observation	NN
39142	1248	27	is	be	VBZ
39142	1248	28	lacking	lack	VBG
39142	1248	29	,	,	,
39142	1248	30	because	because	IN
39142	1248	31	hitherto	hitherto	JJ
39142	1248	32	no	no	DT
39142	1248	33	certain	certain	JJ
39142	1248	34	method	method	NN
39142	1248	35	of	of	IN
39142	1248	36	measuring	measure	VBG
39142	1248	37	the	the	DT
39142	1248	38	very	very	RB
39142	1248	39	minute	minute	JJ
39142	1248	40	angular	angular	JJ
39142	1248	41	diameters	diameter	NNS
39142	1248	42	of	of	IN
39142	1248	43	the	the	DT
39142	1248	44	stars	star	NNS
39142	1248	45	has	have	VBZ
39142	1248	46	been	be	VBN
39142	1248	47	successfully	successfully	RB
39142	1248	48	applied	apply	VBN
39142	1248	49	.	.	.
39142	1249	1	The	the	DT
39142	1249	2	apparent	apparent	JJ
39142	1249	3	surface	surface	NN
39142	1249	4	brightness	brightness	NN
39142	1249	5	corresponding	correspond	VBG
39142	1249	6	to	to	IN
39142	1249	7	each	each	DT
39142	1249	8	spectral	spectral	JJ
39142	1249	9	type	type	NN
39142	1249	10	is	be	VBZ
39142	1249	11	pretty	pretty	RB
39142	1249	12	well	well	RB
39142	1249	13	known	known	JJ
39142	1249	14	,	,	,
39142	1249	15	and	and	CC
39142	1249	16	by	by	IN
39142	1249	17	dividing	divide	VBG
39142	1249	18	it	-PRON-	PRP
39142	1249	19	into	into	IN
39142	1249	20	the	the	DT
39142	1249	21	total	total	JJ
39142	1249	22	apparent	apparent	JJ
39142	1249	23	brightness	brightness	NN
39142	1249	24	,	,	,
39142	1249	25	we	-PRON-	PRP
39142	1249	26	have	have	VBP
39142	1249	27	the	the	DT
39142	1249	28	angular	angular	JJ
39142	1249	29	area	area	NN
39142	1249	30	subtended	subtend	VBN
39142	1249	31	by	by	IN
39142	1249	32	the	the	DT
39142	1249	33	star	star	NN
39142	1249	34	,	,	,
39142	1249	35	quite	quite	RB
39142	1249	36	independent	independent	JJ
39142	1249	37	of	of	IN
39142	1249	38	the	the	DT
39142	1249	39	star	star	NN
39142	1249	40	's	's	POS
39142	1249	41	distance	distance	NN
39142	1249	42	.	.	.
39142	1250	1	This	this	DT
39142	1250	2	makes	make	VBZ
39142	1250	3	it	-PRON-	PRP
39142	1250	4	easy	easy	JJ
39142	1250	5	to	to	TO
39142	1250	6	estimate	estimate	VB
39142	1250	7	the	the	DT
39142	1250	8	angular	angular	JJ
39142	1250	9	diameter	diameter	NN
39142	1250	10	of	of	IN
39142	1250	11	a	a	DT
39142	1250	12	star	star	NN
39142	1250	13	,	,	,
39142	1250	14	and	and	CC
39142	1250	15	Betelgeuse	Betelgeuse	NNP
39142	1250	16	is	be	VBZ
39142	1250	17	the	the	DT
39142	1250	18	one	one	CD
39142	1250	19	which	which	WDT
39142	1250	20	has	have	VBZ
39142	1250	21	the	the	DT
39142	1250	22	greatest	great	JJS
39142	1250	23	angular	angular	JJ
39142	1250	24	diameter	diameter	NN
39142	1250	25	of	of	IN
39142	1250	26	all	all	DT
39142	1250	27	whose	whose	WP$
39142	1250	28	distances	distance	NNS
39142	1250	29	we	-PRON-	PRP
39142	1250	30	know	know	VBP
39142	1250	31	.	.	.
39142	1251	1	Antares	antare	NNS
39142	1251	2	is	be	VBZ
39142	1251	3	next	next	JJ
39142	1251	4	in	in	IN
39142	1251	5	order	order	NN
39142	1251	6	of	of	IN
39142	1251	7	angular	angular	JJ
39142	1251	8	diameter	diameter	NN
39142	1251	9	,	,	,
39142	1251	10	0".043	0".043	NNP
39142	1251	11	,	,	,
39142	1251	12	Aldebaran	Aldebaran	NNP
39142	1251	13	0".022	0".022	NNP
39142	1251	14	,	,	,
39142	1251	15	Arcturus	Arcturus	NNP
39142	1251	16	0".020	0".020	NNP
39142	1251	17	,	,	,
39142	1251	18	Pollux	Pollux	NNP
39142	1251	19	0".013	0".013	NNP
39142	1251	20	,	,	,
39142	1251	21	and	and	CC
39142	1251	22	Sirius	Sirius	NNP
39142	1251	23	only	only	RB
39142	1251	24	0".007	0".007	NN
39142	1251	25	.	.	.
39142	1252	1	Can	Can	MD
39142	1252	2	these	these	DT
39142	1252	3	theoretical	theoretical	JJ
39142	1252	4	estimates	estimate	NNS
39142	1252	5	be	be	VB
39142	1252	6	verified	verify	VBN
39142	1252	7	by	by	IN
39142	1252	8	observation	observation	NN
39142	1252	9	?	?	.
39142	1253	1	Clearly	clearly	RB
39142	1253	2	it	-PRON-	PRP
39142	1253	3	is	be	VBZ
39142	1253	4	of	of	IN
39142	1253	5	the	the	DT
39142	1253	6	utmost	utmost	JJ
39142	1253	7	importance	importance	NN
39142	1253	8	and	and	CC
39142	1253	9	the	the	DT
39142	1253	10	exceedingly	exceedingly	RB
39142	1253	11	difficult	difficult	JJ
39142	1253	12	inquiry	inquiry	NN
39142	1253	13	has	have	VBZ
39142	1253	14	been	be	VBN
39142	1253	15	undertaken	undertake	VBN
39142	1253	16	with	with	IN
39142	1253	17	the	the	DT
39142	1253	18	100-inch	100-inch	CD
39142	1253	19	reflector	reflector	NN
39142	1253	20	on	on	IN
39142	1253	21	Mount	Mount	NNP
39142	1253	22	Wilson	Wilson	NNP
39142	1253	23	,	,	,
39142	1253	24	employing	employ	VBG
39142	1253	25	the	the	DT
39142	1253	26	method	method	NN
39142	1253	27	of	of	IN
39142	1253	28	the	the	DT
39142	1253	29	interferometer	interferometer	NN
39142	1253	30	developed	develop	VBN
39142	1253	31	by	by	IN
39142	1253	32	Michelson	Michelson	NNP
39142	1253	33	and	and	CC
39142	1253	34	described	describe	VBN
39142	1253	35	later	later	RB
39142	1253	36	on	on	RB
39142	1253	37	,	,	,
39142	1253	38	an	an	DT
39142	1253	39	instrument	instrument	NN
39142	1253	40	undoubtedly	undoubtedly	RB
39142	1253	41	capable	capable	JJ
39142	1253	42	of	of	IN
39142	1253	43	measuring	measure	VBG
39142	1253	44	much	much	RB
39142	1253	45	smaller	small	JJR
39142	1253	46	angles	angle	NNS
39142	1253	47	than	than	IN
39142	1253	48	can	can	MD
39142	1253	49	be	be	VB
39142	1253	50	measured	measure	VBN
39142	1253	51	by	by	IN
39142	1253	52	any	any	DT
39142	1253	53	other	other	JJ
39142	1253	54	known	know	VBN
39142	1253	55	method	method	NN
39142	1253	56	.	.	.
39142	1254	1	Unquestionably	unquestionably	RB
39142	1254	2	the	the	DT
39142	1254	3	interference	interference	NN
39142	1254	4	of	of	IN
39142	1254	5	atmospheric	atmospheric	JJ
39142	1254	6	waves	wave	NNS
39142	1254	7	,	,	,
39142	1254	8	or	or	CC
39142	1254	9	in	in	IN
39142	1254	10	other	other	JJ
39142	1254	11	words	word	NNS
39142	1254	12	what	what	WDT
39142	1254	13	astronomers	astronomer	NNS
39142	1254	14	call	call	VBP
39142	1254	15	"	"	``
39142	1254	16	poor	poor	JJ
39142	1254	17	seeing	seeing	NN
39142	1254	18	,	,	,
39142	1254	19	"	"	''
39142	1254	20	will	will	MD
39142	1254	21	ultimately	ultimately	RB
39142	1254	22	set	set	VB
39142	1254	23	the	the	DT
39142	1254	24	limit	limit	NN
39142	1254	25	to	to	IN
39142	1254	26	what	what	WP
39142	1254	27	can	can	MD
39142	1254	28	be	be	VB
39142	1254	29	accomplished	accomplish	VBN
39142	1254	30	.	.	.
39142	1255	1	"	"	``
39142	1255	2	But	but	CC
39142	1255	3	even	even	RB
39142	1255	4	if	if	IN
39142	1255	5	,	,	,
39142	1255	6	"	"	''
39142	1255	7	says	say	VBZ
39142	1255	8	Eddington	Eddington	NNP
39142	1255	9	,	,	,
39142	1255	10	"	"	``
39142	1255	11	we	-PRON-	PRP
39142	1255	12	have	have	VBP
39142	1255	13	to	to	TO
39142	1255	14	send	send	VB
39142	1255	15	special	special	JJ
39142	1255	16	expeditions	expedition	NNS
39142	1255	17	to	to	IN
39142	1255	18	the	the	DT
39142	1255	19	top	top	NN
39142	1255	20	of	of	IN
39142	1255	21	one	one	CD
39142	1255	22	of	of	IN
39142	1255	23	the	the	DT
39142	1255	24	highest	high	JJS
39142	1255	25	mountains	mountain	NNS
39142	1255	26	in	in	IN
39142	1255	27	the	the	DT
39142	1255	28	world	world	NN
39142	1255	29	,	,	,
39142	1255	30	the	the	DT
39142	1255	31	attack	attack	NN
39142	1255	32	on	on	IN
39142	1255	33	this	this	DT
39142	1255	34	far	far	RB
39142	1255	35	-	-	HYPH
39142	1255	36	reaching	reach	VBG
39142	1255	37	problem	problem	NN
39142	1255	38	must	must	MD
39142	1255	39	not	not	RB
39142	1255	40	be	be	VB
39142	1255	41	allowed	allow	VBN
39142	1255	42	to	to	TO
39142	1255	43	languish	languish	VB
39142	1255	44	.	.	.
39142	1255	45	"	"	''
39142	1256	1	CHAPTER	chapter	NN
39142	1256	2	XXIII	xxiii	NN
39142	1256	3	THE	the	DT
39142	1256	4	PROGRAM	PROGRAM	NNS
39142	1256	5	OF	of	IN
39142	1256	6	A	a	DT
39142	1256	7	GREAT	GREAT	NNP
39142	1256	8	OBSERVATORY	OBSERVATORY	NNP
39142	1256	9	The	the	DT
39142	1256	10	Mount	Mount	NNP
39142	1256	11	Wilson	Wilson	NNP
39142	1256	12	Observatory	Observatory	NNP
39142	1256	13	has	have	VBZ
39142	1256	14	now	now	RB
39142	1256	15	been	be	VBN
39142	1256	16	in	in	IN
39142	1256	17	operation	operation	NN
39142	1256	18	about	about	IN
39142	1256	19	fifteen	fifteen	CD
39142	1256	20	years	year	NNS
39142	1256	21	.	.	.
39142	1257	1	The	the	DT
39142	1257	2	novelty	novelty	NN
39142	1257	3	in	in	IN
39142	1257	4	construction	construction	NN
39142	1257	5	of	of	IN
39142	1257	6	its	-PRON-	PRP$
39142	1257	7	instruments	instrument	NNS
39142	1257	8	,	,	,
39142	1257	9	the	the	DT
39142	1257	10	investigations	investigation	NNS
39142	1257	11	undertaken	undertake	VBN
39142	1257	12	with	with	IN
39142	1257	13	them	-PRON-	PRP
39142	1257	14	and	and	CC
39142	1257	15	the	the	DT
39142	1257	16	discoveries	discovery	NNS
39142	1257	17	made	make	VBN
39142	1257	18	,	,	,
39142	1257	19	the	the	DT
39142	1257	20	interpretation	interpretation	NN
39142	1257	21	of	of	IN
39142	1257	22	celestial	celestial	JJ
39142	1257	23	phenomena	phenomenon	NNS
39142	1257	24	by	by	IN
39142	1257	25	laboratory	laboratory	NN
39142	1257	26	experiment	experiment	NN
39142	1257	27	,	,	,
39142	1257	28	and	and	CC
39142	1257	29	the	the	DT
39142	1257	30	recent	recent	JJ
39142	1257	31	addition	addition	NN
39142	1257	32	to	to	IN
39142	1257	33	its	-PRON-	PRP$
39142	1257	34	equipment	equipment	NN
39142	1257	35	of	of	IN
39142	1257	36	a	a	DT
39142	1257	37	telescope	telescope	NN
39142	1257	38	100	100	CD
39142	1257	39	inches	inch	NNS
39142	1257	40	in	in	IN
39142	1257	41	diameter	diameter	NN
39142	1257	42	,	,	,
39142	1257	43	surpassing	surpass	VBG
39142	1257	44	all	all	DT
39142	1257	45	others	other	NNS
39142	1257	46	in	in	IN
39142	1257	47	power	power	NN
39142	1257	48	,	,	,
39142	1257	49	directs	direct	VBZ
39142	1257	50	especial	especial	JJ
39142	1257	51	attention	attention	NN
39142	1257	52	to	to	IN
39142	1257	53	the	the	DT
39142	1257	54	extensive	extensive	JJ
39142	1257	55	activities	activity	NNS
39142	1257	56	of	of	IN
39142	1257	57	this	this	DT
39142	1257	58	institution	institution	NN
39142	1257	59	,	,	,
39142	1257	60	whose	whose	WP$
39142	1257	61	budget	budget	NN
39142	1257	62	now	now	RB
39142	1257	63	exceeds	exceed	VBZ
39142	1257	64	a	a	DT
39142	1257	65	million	million	CD
39142	1257	66	dollars	dollar	NNS
39142	1257	67	annually	annually	RB
39142	1257	68	.	.	.
39142	1258	1	Results	result	NNS
39142	1258	2	are	be	VBP
39142	1258	3	only	only	RB
39142	1258	4	achieved	achieve	VBN
39142	1258	5	by	by	IN
39142	1258	6	a	a	DT
39142	1258	7	carefully	carefully	RB
39142	1258	8	elaborated	elaborate	VBN
39142	1258	9	program	program	NN
39142	1258	10	,	,	,
39142	1258	11	such	such	JJ
39142	1258	12	as	as	IN
39142	1258	13	the	the	DT
39142	1258	14	following	following	NN
39142	1258	15	,	,	,
39142	1258	16	for	for	IN
39142	1258	17	which	which	WDT
39142	1258	18	the	the	DT
39142	1258	19	reader	reader	NN
39142	1258	20	is	be	VBZ
39142	1258	21	mainly	mainly	RB
39142	1258	22	indebted	indebted	JJ
39142	1258	23	to	to	IN
39142	1258	24	Dr.	Dr.	NNP
39142	1258	25	Hale	Hale	NNP
39142	1258	26	,	,	,
39142	1258	27	the	the	DT
39142	1258	28	director	director	NN
39142	1258	29	of	of	IN
39142	1258	30	the	the	DT
39142	1258	31	observatory	observatory	NN
39142	1258	32	,	,	,
39142	1258	33	who	who	WP
39142	1258	34	gives	give	VBZ
39142	1258	35	a	a	DT
39142	1258	36	very	very	RB
39142	1258	37	clear	clear	JJ
39142	1258	38	idea	idea	NN
39142	1258	39	of	of	IN
39142	1258	40	the	the	DT
39142	1258	41	trend	trend	NN
39142	1258	42	of	of	IN
39142	1258	43	present	present	JJ
39142	1258	44	-	-	HYPH
39142	1258	45	day	day	NN
39142	1258	46	research	research	NN
39142	1258	47	on	on	IN
39142	1258	48	the	the	DT
39142	1258	49	magnetic	magnetic	JJ
39142	1258	50	nature	nature	NN
39142	1258	51	of	of	IN
39142	1258	52	the	the	DT
39142	1258	53	sun	sun	NN
39142	1258	54	,	,	,
39142	1258	55	and	and	CC
39142	1258	56	the	the	DT
39142	1258	57	structure	structure	NN
39142	1258	58	and	and	CC
39142	1258	59	evolution	evolution	NN
39142	1258	60	of	of	IN
39142	1258	61	the	the	DT
39142	1258	62	sidereal	sidereal	JJ
39142	1258	63	universe	universe	NN
39142	1258	64	.	.	.
39142	1259	1	The	the	DT
39142	1259	2	purpose	purpose	NN
39142	1259	3	of	of	IN
39142	1259	4	the	the	DT
39142	1259	5	observatory	observatory	NN
39142	1259	6	,	,	,
39142	1259	7	as	as	IN
39142	1259	8	defined	define	VBN
39142	1259	9	at	at	IN
39142	1259	10	its	-PRON-	PRP$
39142	1259	11	inception	inception	NN
39142	1259	12	,	,	,
39142	1259	13	was	be	VBD
39142	1259	14	to	to	TO
39142	1259	15	undertake	undertake	VB
39142	1259	16	a	a	DT
39142	1259	17	general	general	JJ
39142	1259	18	study	study	NN
39142	1259	19	of	of	IN
39142	1259	20	stellar	stellar	JJ
39142	1259	21	evolution	evolution	NN
39142	1259	22	,	,	,
39142	1259	23	laying	lay	VBG
39142	1259	24	especial	especial	JJ
39142	1259	25	emphasis	emphasis	NN
39142	1259	26	upon	upon	IN
39142	1259	27	the	the	DT
39142	1259	28	study	study	NN
39142	1259	29	of	of	IN
39142	1259	30	the	the	DT
39142	1259	31	sun	sun	NN
39142	1259	32	,	,	,
39142	1259	33	considered	consider	VBN
39142	1259	34	as	as	IN
39142	1259	35	a	a	DT
39142	1259	36	typical	typical	JJ
39142	1259	37	star	star	NN
39142	1259	38	;	;	,
39142	1259	39	physical	physical	JJ
39142	1259	40	researches	research	NNS
39142	1259	41	on	on	IN
39142	1259	42	stars	star	NNS
39142	1259	43	and	and	CC
39142	1259	44	nebulæ	nebulæ	NN
39142	1259	45	;	;	:
39142	1259	46	and	and	CC
39142	1259	47	the	the	DT
39142	1259	48	interpretation	interpretation	NN
39142	1259	49	of	of	IN
39142	1259	50	solar	solar	JJ
39142	1259	51	and	and	CC
39142	1259	52	stellar	stellar	JJ
39142	1259	53	phenomena	phenomenon	NNS
39142	1259	54	by	by	IN
39142	1259	55	laboratory	laboratory	NN
39142	1259	56	experiments	experiment	NNS
39142	1259	57	.	.	.
39142	1260	1	Recognizing	recognize	VBG
39142	1260	2	that	that	IN
39142	1260	3	the	the	DT
39142	1260	4	development	development	NN
39142	1260	5	of	of	IN
39142	1260	6	new	new	JJ
39142	1260	7	instruments	instrument	NNS
39142	1260	8	and	and	CC
39142	1260	9	methods	method	NNS
39142	1260	10	afforded	afford	VBD
39142	1260	11	the	the	DT
39142	1260	12	most	most	RBS
39142	1260	13	promising	promising	JJ
39142	1260	14	means	mean	NNS
39142	1260	15	of	of	IN
39142	1260	16	progress	progress	NN
39142	1260	17	,	,	,
39142	1260	18	well	well	RB
39142	1260	19	-	-	HYPH
39142	1260	20	equipped	equip	VBN
39142	1260	21	machine	machine	NN
39142	1260	22	shops	shop	NNS
39142	1260	23	and	and	CC
39142	1260	24	optical	optical	JJ
39142	1260	25	shops	shop	NNS
39142	1260	26	were	be	VBD
39142	1260	27	provided	provide	VBN
39142	1260	28	with	with	IN
39142	1260	29	this	this	DT
39142	1260	30	end	end	NN
39142	1260	31	in	in	IN
39142	1260	32	view	view	NN
39142	1260	33	.	.	.
39142	1261	1	The	the	DT
39142	1261	2	original	original	JJ
39142	1261	3	program	program	NN
39142	1261	4	of	of	IN
39142	1261	5	the	the	DT
39142	1261	6	observatory	observatory	NN
39142	1261	7	has	have	VBZ
39142	1261	8	been	be	VBN
39142	1261	9	much	much	RB
39142	1261	10	modified	modify	VBN
39142	1261	11	and	and	CC
39142	1261	12	extended	extend	VBN
39142	1261	13	by	by	IN
39142	1261	14	the	the	DT
39142	1261	15	independent	independent	JJ
39142	1261	16	and	and	CC
39142	1261	17	striking	striking	JJ
39142	1261	18	discovery	discovery	NN
39142	1261	19	by	by	IN
39142	1261	20	Campbell	Campbell	NNP
39142	1261	21	and	and	CC
39142	1261	22	Kapteyn	Kapteyn	NNP
39142	1261	23	of	of	IN
39142	1261	24	an	an	DT
39142	1261	25	important	important	JJ
39142	1261	26	relationship	relationship	NN
39142	1261	27	between	between	IN
39142	1261	28	stellar	stellar	JJ
39142	1261	29	speed	speed	NN
39142	1261	30	and	and	CC
39142	1261	31	spectral	spectral	NN
39142	1261	32	type	type	NN
39142	1261	33	;	;	:
39142	1261	34	the	the	DT
39142	1261	35	demonstration	demonstration	NN
39142	1261	36	by	by	IN
39142	1261	37	Hertzsprung	Hertzsprung	NNP
39142	1261	38	and	and	CC
39142	1261	39	Russell	Russell	NNP
39142	1261	40	of	of	IN
39142	1261	41	the	the	DT
39142	1261	42	existence	existence	NN
39142	1261	43	of	of	IN
39142	1261	44	giant	giant	NN
39142	1261	45	and	and	CC
39142	1261	46	dwarf	dwarf	NN
39142	1261	47	stars	star	NNS
39142	1261	48	;	;	:
39142	1261	49	the	the	DT
39142	1261	50	successful	successful	JJ
39142	1261	51	application	application	NN
39142	1261	52	of	of	IN
39142	1261	53	the	the	DT
39142	1261	54	60-inch	60-inch	CD
39142	1261	55	reflector	reflector	NN
39142	1261	56	by	by	IN
39142	1261	57	Van	Van	NNP
39142	1261	58	Maanen	Maanen	NNP
39142	1261	59	to	to	IN
39142	1261	60	the	the	DT
39142	1261	61	measurement	measurement	NN
39142	1261	62	of	of	IN
39142	1261	63	minute	minute	NN
39142	1261	64	parallaxes	parallax	NNS
39142	1261	65	of	of	IN
39142	1261	66	stars	star	NNS
39142	1261	67	and	and	CC
39142	1261	68	nebulæ	nebulæ	NN
39142	1261	69	;	;	:
39142	1261	70	the	the	DT
39142	1261	71	important	important	JJ
39142	1261	72	developments	development	NNS
39142	1261	73	of	of	IN
39142	1261	74	Shapley	Shapley	NNP
39142	1261	75	's	's	POS
39142	1261	76	investigation	investigation	NN
39142	1261	77	of	of	IN
39142	1261	78	globular	globular	JJ
39142	1261	79	star	star	NNP
39142	1261	80	clusters	cluster	NNS
39142	1261	81	;	;	:
39142	1261	82	the	the	DT
39142	1261	83	possibilities	possibility	NNS
39142	1261	84	of	of	IN
39142	1261	85	research	research	NN
39142	1261	86	resulting	result	VBG
39142	1261	87	from	from	IN
39142	1261	88	Seares	Seares	NNP
39142	1261	89	's	's	POS
39142	1261	90	studies	study	NNS
39142	1261	91	in	in	IN
39142	1261	92	stellar	stellar	JJ
39142	1261	93	photometry	photometry	NN
39142	1261	94	;	;	:
39142	1261	95	and	and	CC
39142	1261	96	the	the	DT
39142	1261	97	remarkable	remarkable	JJ
39142	1261	98	means	mean	NNS
39142	1261	99	of	of	IN
39142	1261	100	attack	attack	NN
39142	1261	101	developed	develop	VBN
39142	1261	102	by	by	IN
39142	1261	103	Adams	Adams	NNP
39142	1261	104	through	through	IN
39142	1261	105	the	the	DT
39142	1261	106	method	method	NN
39142	1261	107	of	of	IN
39142	1261	108	spectroscopic	spectroscopic	JJ
39142	1261	109	parallaxes	parallax	NNS
39142	1261	110	.	.	.
39142	1262	1	By	by	IN
39142	1262	2	this	this	DT
39142	1262	3	method	method	NN
39142	1262	4	the	the	DT
39142	1262	5	absolute	absolute	JJ
39142	1262	6	magnitude	magnitude	NN
39142	1262	7	,	,	,
39142	1262	8	and	and	CC
39142	1262	9	hence	hence	RB
39142	1262	10	the	the	DT
39142	1262	11	distance	distance	NN
39142	1262	12	of	of	IN
39142	1262	13	a	a	DT
39142	1262	14	star	star	NN
39142	1262	15	is	be	VBZ
39142	1262	16	accurately	accurately	RB
39142	1262	17	determined	determine	VBN
39142	1262	18	from	from	IN
39142	1262	19	estimates	estimate	NNS
39142	1262	20	of	of	IN
39142	1262	21	the	the	DT
39142	1262	22	relative	relative	JJ
39142	1262	23	intensities	intensity	NNS
39142	1262	24	of	of	IN
39142	1262	25	certain	certain	JJ
39142	1262	26	lines	line	NNS
39142	1262	27	in	in	IN
39142	1262	28	stellar	stellar	JJ
39142	1262	29	spectra	spectra	NNP
39142	1262	30	.	.	.
39142	1263	1	Attention	attention	NN
39142	1263	2	was	be	VBD
39142	1263	3	first	first	RB
39142	1263	4	directed	direct	VBN
39142	1263	5	toward	toward	IN
39142	1263	6	lines	line	NNS
39142	1263	7	of	of	IN
39142	1263	8	this	this	DT
39142	1263	9	character	character	NN
39142	1263	10	in	in	IN
39142	1263	11	1906	1906	CD
39142	1263	12	,	,	,
39142	1263	13	when	when	WRB
39142	1263	14	it	-PRON-	PRP
39142	1263	15	was	be	VBD
39142	1263	16	inferred	infer	VBN
39142	1263	17	that	that	IN
39142	1263	18	the	the	DT
39142	1263	19	weakening	weakening	NN
39142	1263	20	of	of	IN
39142	1263	21	some	some	DT
39142	1263	22	lines	line	NNS
39142	1263	23	in	in	IN
39142	1263	24	the	the	DT
39142	1263	25	spectra	spectra	NN
39142	1263	26	of	of	IN
39142	1263	27	sun	sun	NN
39142	1263	28	spots	spot	NNS
39142	1263	29	and	and	CC
39142	1263	30	the	the	DT
39142	1263	31	strengthening	strengthening	NN
39142	1263	32	of	of	IN
39142	1263	33	others	other	NNS
39142	1263	34	was	be	VBD
39142	1263	35	the	the	DT
39142	1263	36	result	result	NN
39142	1263	37	of	of	IN
39142	1263	38	reduced	reduce	VBN
39142	1263	39	temperature	temperature	NN
39142	1263	40	of	of	IN
39142	1263	41	the	the	DT
39142	1263	42	spot	spot	NN
39142	1263	43	vapors	vapor	NNS
39142	1263	44	.	.	.
39142	1264	1	On	on	IN
39142	1264	2	testing	test	VBG
39142	1264	3	this	this	DT
39142	1264	4	hypothesis	hypothesis	NN
39142	1264	5	by	by	IN
39142	1264	6	laboratory	laboratory	NN
39142	1264	7	experiments	experiment	NNS
39142	1264	8	,	,	,
39142	1264	9	it	-PRON-	PRP
39142	1264	10	was	be	VBD
39142	1264	11	fully	fully	RB
39142	1264	12	verified	verify	VBN
39142	1264	13	.	.	.
39142	1265	1	Subsequently	Subsequently	NNP
39142	1265	2	Adams	Adams	NNP
39142	1265	3	,	,	,
39142	1265	4	who	who	WP
39142	1265	5	had	have	VBD
39142	1265	6	thus	thus	RB
39142	1265	7	become	become	VBN
39142	1265	8	familiar	familiar	JJ
39142	1265	9	with	with	IN
39142	1265	10	these	these	DT
39142	1265	11	lines	line	NNS
39142	1265	12	and	and	CC
39142	1265	13	their	-PRON-	PRP$
39142	1265	14	variability	variability	NN
39142	1265	15	,	,	,
39142	1265	16	studied	study	VBD
39142	1265	17	them	-PRON-	PRP
39142	1265	18	extensively	extensively	RB
39142	1265	19	in	in	IN
39142	1265	20	the	the	DT
39142	1265	21	spectra	spectra	NN
39142	1265	22	of	of	IN
39142	1265	23	other	other	JJ
39142	1265	24	stars	star	NNS
39142	1265	25	.	.	.
39142	1266	1	In	in	IN
39142	1266	2	this	this	DT
39142	1266	3	way	way	NN
39142	1266	4	was	be	VBD
39142	1266	5	discovered	discover	VBN
39142	1266	6	the	the	DT
39142	1266	7	dependence	dependence	NN
39142	1266	8	of	of	IN
39142	1266	9	their	-PRON-	PRP$
39142	1266	10	relative	relative	JJ
39142	1266	11	intensities	intensity	NNS
39142	1266	12	on	on	IN
39142	1266	13	the	the	DT
39142	1266	14	star	star	NN
39142	1266	15	's	's	POS
39142	1266	16	absolute	absolute	JJ
39142	1266	17	magnitude	magnitude	NN
39142	1266	18	,	,	,
39142	1266	19	so	so	RB
39142	1266	20	providing	provide	VBG
39142	1266	21	the	the	DT
39142	1266	22	powerful	powerful	JJ
39142	1266	23	method	method	NN
39142	1266	24	of	of	IN
39142	1266	25	spectroscopic	spectroscopic	JJ
39142	1266	26	parallaxes	parallax	NNS
39142	1266	27	.	.	.
39142	1267	1	This	this	DT
39142	1267	2	method	method	NN
39142	1267	3	,	,	,
39142	1267	4	giving	give	VBG
39142	1267	5	the	the	DT
39142	1267	6	absolute	absolute	JJ
39142	1267	7	magnitude	magnitude	NN
39142	1267	8	as	as	RB
39142	1267	9	well	well	RB
39142	1267	10	as	as	IN
39142	1267	11	the	the	DT
39142	1267	12	distance	distance	NN
39142	1267	13	of	of	IN
39142	1267	14	every	every	DT
39142	1267	15	star	star	NN
39142	1267	16	(	(	-LRB-
39142	1267	17	excepting	except	VBG
39142	1267	18	those	those	DT
39142	1267	19	of	of	IN
39142	1267	20	the	the	DT
39142	1267	21	earliest	early	JJS
39142	1267	22	type	type	NN
39142	1267	23	)	)	-RRB-
39142	1267	24	whose	whose	WP$
39142	1267	25	spectrum	spectrum	NN
39142	1267	26	is	be	VBZ
39142	1267	27	photographed	photograph	VBN
39142	1267	28	,	,	,
39142	1267	29	is	be	VBZ
39142	1267	30	no	no	DT
39142	1267	31	less	less	RBR
39142	1267	32	important	important	JJ
39142	1267	33	from	from	IN
39142	1267	34	the	the	DT
39142	1267	35	evolutional	evolutional	JJ
39142	1267	36	than	than	IN
39142	1267	37	from	from	IN
39142	1267	38	the	the	DT
39142	1267	39	structural	structural	JJ
39142	1267	40	point	point	NN
39142	1267	41	of	of	IN
39142	1267	42	view	view	NN
39142	1267	43	.	.	.
39142	1268	1	Investigations	investigation	NNS
39142	1268	2	in	in	IN
39142	1268	3	solar	solar	JJ
39142	1268	4	physics	physics	NN
39142	1268	5	which	which	WDT
39142	1268	6	formerly	formerly	RB
39142	1268	7	held	hold	VBD
39142	1268	8	chief	chief	JJ
39142	1268	9	place	place	NN
39142	1268	10	in	in	IN
39142	1268	11	the	the	DT
39142	1268	12	research	research	NN
39142	1268	13	program	program	NN
39142	1268	14	have	have	VBP
39142	1268	15	developed	develop	VBN
39142	1268	16	along	along	IN
39142	1268	17	unexpected	unexpected	JJ
39142	1268	18	lines	line	NNS
39142	1268	19	.	.	.
39142	1269	1	It	-PRON-	PRP
39142	1269	2	could	could	MD
39142	1269	3	not	not	RB
39142	1269	4	be	be	VB
39142	1269	5	foreseen	foresee	VBN
39142	1269	6	at	at	IN
39142	1269	7	the	the	DT
39142	1269	8	outset	outset	NN
39142	1269	9	that	that	IN
39142	1269	10	solar	solar	JJ
39142	1269	11	magnetic	magnetic	JJ
39142	1269	12	phenomena	phenomenon	NNS
39142	1269	13	might	may	MD
39142	1269	14	become	become	VB
39142	1269	15	a	a	DT
39142	1269	16	subject	subject	NN
39142	1269	17	of	of	IN
39142	1269	18	inquiry	inquiry	NN
39142	1269	19	,	,	,
39142	1269	20	demanding	demand	VBG
39142	1269	21	special	special	JJ
39142	1269	22	instrumental	instrumental	JJ
39142	1269	23	facilities	facility	NNS
39142	1269	24	,	,	,
39142	1269	25	and	and	CC
39142	1269	26	throwing	throw	VBG
39142	1269	27	light	light	NN
39142	1269	28	on	on	IN
39142	1269	29	the	the	DT
39142	1269	30	complex	complex	JJ
39142	1269	31	question	question	NN
39142	1269	32	of	of	IN
39142	1269	33	the	the	DT
39142	1269	34	nature	nature	NN
39142	1269	35	of	of	IN
39142	1269	36	the	the	DT
39142	1269	37	sun	sun	NN
39142	1269	38	spots	spot	NNS
39142	1269	39	and	and	CC
39142	1269	40	other	other	JJ
39142	1269	41	solar	solar	JJ
39142	1269	42	problems	problem	NNS
39142	1269	43	of	of	IN
39142	1269	44	long	long	JJ
39142	1269	45	standing	standing	NN
39142	1269	46	.	.	.
39142	1270	1	It	-PRON-	PRP
39142	1270	2	is	be	VBZ
39142	1270	3	obvious	obvious	JJ
39142	1270	4	that	that	IN
39142	1270	5	these	these	DT
39142	1270	6	researches	research	NNS
39142	1270	7	,	,	,
39142	1270	8	together	together	RB
39142	1270	9	with	with	IN
39142	1270	10	those	those	DT
39142	1270	11	on	on	IN
39142	1270	12	the	the	DT
39142	1270	13	solar	solar	JJ
39142	1270	14	rotation	rotation	NN
39142	1270	15	and	and	CC
39142	1270	16	the	the	DT
39142	1270	17	motions	motion	NNS
39142	1270	18	of	of	IN
39142	1270	19	the	the	DT
39142	1270	20	solar	solar	JJ
39142	1270	21	atmosphere	atmosphere	NN
39142	1270	22	,	,	,
39142	1270	23	developed	develop	VBN
39142	1270	24	by	by	IN
39142	1270	25	Adams	Adams	NNP
39142	1270	26	and	and	CC
39142	1270	27	St.	St.	NNP
39142	1270	28	John	John	NNP
39142	1270	29	,	,	,
39142	1270	30	must	must	MD
39142	1270	31	be	be	VB
39142	1270	32	carried	carry	VBN
39142	1270	33	to	to	IN
39142	1270	34	their	-PRON-	PRP$
39142	1270	35	logical	logical	JJ
39142	1270	36	conclusion	conclusion	NN
39142	1270	37	,	,	,
39142	1270	38	if	if	IN
39142	1270	39	they	-PRON-	PRP
39142	1270	40	are	be	VBP
39142	1270	41	to	to	TO
39142	1270	42	be	be	VB
39142	1270	43	utilized	utilize	VBN
39142	1270	44	to	to	IN
39142	1270	45	the	the	DT
39142	1270	46	fullest	full	JJS
39142	1270	47	in	in	IN
39142	1270	48	interpreting	interpret	VBG
39142	1270	49	stellar	stellar	JJ
39142	1270	50	and	and	CC
39142	1270	51	nebular	nebular	JJ
39142	1270	52	phenomena	phenomenon	NNS
39142	1270	53	.	.	.
39142	1271	1	The	the	DT
39142	1271	2	discovery	discovery	NN
39142	1271	3	of	of	IN
39142	1271	4	solar	solar	JJ
39142	1271	5	magnetism	magnetism	NN
39142	1271	6	,	,	,
39142	1271	7	like	like	IN
39142	1271	8	many	many	JJ
39142	1271	9	other	other	JJ
39142	1271	10	Mount	Mount	NNP
39142	1271	11	Wilson	Wilson	NNP
39142	1271	12	results	result	NNS
39142	1271	13	,	,	,
39142	1271	14	was	be	VBD
39142	1271	15	the	the	DT
39142	1271	16	direct	direct	JJ
39142	1271	17	outcome	outcome	NN
39142	1271	18	of	of	IN
39142	1271	19	a	a	DT
39142	1271	20	long	long	JJ
39142	1271	21	series	series	NN
39142	1271	22	of	of	IN
39142	1271	23	instrumental	instrumental	JJ
39142	1271	24	developments	development	NNS
39142	1271	25	.	.	.
39142	1272	1	The	the	DT
39142	1272	2	progressive	progressive	JJ
39142	1272	3	improvement	improvement	NN
39142	1272	4	and	and	CC
39142	1272	5	advance	advance	NN
39142	1272	6	in	in	IN
39142	1272	7	size	size	NN
39142	1272	8	of	of	IN
39142	1272	9	the	the	DT
39142	1272	10	tools	tool	NNS
39142	1272	11	of	of	IN
39142	1272	12	research	research	NN
39142	1272	13	was	be	VBD
39142	1272	14	absolutely	absolutely	RB
39142	1272	15	necessary	necessary	JJ
39142	1272	16	.	.	.
39142	1273	1	Hale	Hale	NNP
39142	1273	2	's	's	POS
39142	1273	3	first	first	JJ
39142	1273	4	spectroheliograph	spectroheliograph	NN
39142	1273	5	at	at	IN
39142	1273	6	Kenwood	Kenwood	NNP
39142	1273	7	in	in	IN
39142	1273	8	1890	1890	CD
39142	1273	9	was	be	VBD
39142	1273	10	attached	attach	VBN
39142	1273	11	to	to	IN
39142	1273	12	a	a	DT
39142	1273	13	12-inch	12-inch	CD
39142	1273	14	refractor	refractor	NN
39142	1273	15	,	,	,
39142	1273	16	and	and	CC
39142	1273	17	the	the	DT
39142	1273	18	solar	solar	JJ
39142	1273	19	image	image	NN
39142	1273	20	was	be	VBD
39142	1273	21	but	but	CC
39142	1273	22	two	two	CD
39142	1273	23	inches	inch	NNS
39142	1273	24	in	in	IN
39142	1273	25	diameter	diameter	NN
39142	1273	26	.	.	.
39142	1274	1	It	-PRON-	PRP
39142	1274	2	was	be	VBD
39142	1274	3	soon	soon	RB
39142	1274	4	found	find	VBN
39142	1274	5	that	that	IN
39142	1274	6	a	a	DT
39142	1274	7	larger	large	JJR
39142	1274	8	solar	solar	JJ
39142	1274	9	image	image	NN
39142	1274	10	was	be	VBD
39142	1274	11	essential	essential	JJ
39142	1274	12	,	,	,
39142	1274	13	and	and	CC
39142	1274	14	a	a	DT
39142	1274	15	spectrograph	spectrograph	NN
39142	1274	16	of	of	IN
39142	1274	17	much	much	RB
39142	1274	18	greater	great	JJR
39142	1274	19	linear	linear	JJ
39142	1274	20	dispersion	dispersion	NN
39142	1274	21	;	;	:
39142	1274	22	in	in	IN
39142	1274	23	fact	fact	NN
39142	1274	24	,	,	,
39142	1274	25	the	the	DT
39142	1274	26	spectrograph	spectrograph	NN
39142	1274	27	must	must	MD
39142	1274	28	be	be	VB
39142	1274	29	made	make	VBN
39142	1274	30	the	the	DT
39142	1274	31	prime	prime	JJ
39142	1274	32	element	element	NN
39142	1274	33	in	in	IN
39142	1274	34	the	the	DT
39142	1274	35	combination	combination	NN
39142	1274	36	,	,	,
39142	1274	37	and	and	CC
39142	1274	38	the	the	DT
39142	1274	39	telescope	telescope	NN
39142	1274	40	so	so	RB
39142	1274	41	designed	design	VBN
39142	1274	42	as	as	IN
39142	1274	43	to	to	TO
39142	1274	44	serve	serve	VB
39142	1274	45	as	as	IN
39142	1274	46	a	a	DT
39142	1274	47	necessary	necessary	JJ
39142	1274	48	auxiliary	auxiliary	NN
39142	1274	49	.	.	.
39142	1275	1	Accordingly	accordingly	RB
39142	1275	2	,	,	,
39142	1275	3	successive	successive	JJ
39142	1275	4	steps	step	NNS
39142	1275	5	have	have	VBP
39142	1275	6	led	lead	VBN
39142	1275	7	through	through	IN
39142	1275	8	spectrographs	spectrograph	NNS
39142	1275	9	of	of	IN
39142	1275	10	18	18	CD
39142	1275	11	and	and	CC
39142	1275	12	30	30	CD
39142	1275	13	feet	foot	NNS
39142	1275	14	dimension	dimension	NN
39142	1275	15	to	to	IN
39142	1275	16	a	a	DT
39142	1275	17	vertical	vertical	JJ
39142	1275	18	spectrograph	spectrograph	NN
39142	1275	19	75	75	CD
39142	1275	20	feet	foot	NNS
39142	1275	21	in	in	IN
39142	1275	22	focal	focal	JJ
39142	1275	23	length	length	NN
39142	1275	24	.	.	.
39142	1276	1	The	the	DT
39142	1276	2	telescope	telescope	NN
39142	1276	3	is	be	VBZ
39142	1276	4	the	the	DT
39142	1276	5	150	150	CD
39142	1276	6	feet	foot	NNS
39142	1276	7	tower	tower	NN
39142	1276	8	telescope	telescope	NN
39142	1276	9	,	,	,
39142	1276	10	giving	give	VBG
39142	1276	11	a	a	DT
39142	1276	12	solar	solar	JJ
39142	1276	13	image	image	NN
39142	1276	14	of	of	IN
39142	1276	15	16.5	16.5	CD
39142	1276	16	inches	inch	NNS
39142	1276	17	in	in	IN
39142	1276	18	diameter	diameter	NN
39142	1276	19	.	.	.
39142	1277	1	Its	-PRON-	PRP$
39142	1277	2	spectrograph	spectrograph	NN
39142	1277	3	is	be	VBZ
39142	1277	4	massive	massive	JJ
39142	1277	5	in	in	IN
39142	1277	6	construction	construction	NN
39142	1277	7	,	,	,
39142	1277	8	and	and	CC
39142	1277	9	by	by	IN
39142	1277	10	extending	extend	VBG
39142	1277	11	deep	deep	RB
39142	1277	12	into	into	IN
39142	1277	13	the	the	DT
39142	1277	14	earth	earth	NN
39142	1277	15	,	,	,
39142	1277	16	it	-PRON-	PRP
39142	1277	17	enjoys	enjoy	VBZ
39142	1277	18	the	the	DT
39142	1277	19	stability	stability	NN
39142	1277	20	and	and	CC
39142	1277	21	constancy	constancy	NN
39142	1277	22	of	of	IN
39142	1277	23	temperature	temperature	NN
39142	1277	24	required	require	VBN
39142	1277	25	for	for	IN
39142	1277	26	the	the	DT
39142	1277	27	most	most	RBS
39142	1277	28	exacting	exacting	JJ
39142	1277	29	work	work	NN
39142	1277	30	.	.	.
39142	1278	1	Another	another	DT
39142	1278	2	direct	direct	JJ
39142	1278	3	outgrowth	outgrowth	NN
39142	1278	4	of	of	IN
39142	1278	5	the	the	DT
39142	1278	6	work	work	NN
39142	1278	7	of	of	IN
39142	1278	8	sun	sun	NN
39142	1278	9	-	-	HYPH
39142	1278	10	spot	spot	NN
39142	1278	11	spectra	spectra	NNP
39142	1278	12	is	be	VBZ
39142	1278	13	a	a	DT
39142	1278	14	study	study	NN
39142	1278	15	of	of	IN
39142	1278	16	the	the	DT
39142	1278	17	spectra	spectra	NN
39142	1278	18	of	of	IN
39142	1278	19	red	red	JJ
39142	1278	20	stars	star	NNS
39142	1278	21	,	,	,
39142	1278	22	where	where	WRB
39142	1278	23	the	the	DT
39142	1278	24	chemistry	chemistry	NN
39142	1278	25	of	of	IN
39142	1278	26	these	these	DT
39142	1278	27	coolest	cool	JJS
39142	1278	28	regions	region	NNS
39142	1278	29	of	of	IN
39142	1278	30	the	the	DT
39142	1278	31	sun	sun	NN
39142	1278	32	is	be	VBZ
39142	1278	33	partially	partially	RB
39142	1278	34	duplicated	duplicate	VBN
39142	1278	35	.	.	.
39142	1279	1	The	the	DT
39142	1279	2	combination	combination	NN
39142	1279	3	of	of	IN
39142	1279	4	titanium	titanium	NN
39142	1279	5	and	and	CC
39142	1279	6	oxygen	oxygen	NN
39142	1279	7	,	,	,
39142	1279	8	and	and	CC
39142	1279	9	the	the	DT
39142	1279	10	significant	significant	JJ
39142	1279	11	changes	change	NNS
39142	1279	12	of	of	IN
39142	1279	13	line	line	NN
39142	1279	14	intensity	intensity	NN
39142	1279	15	already	already	RB
39142	1279	16	observed	observe	VBN
39142	1279	17	in	in	IN
39142	1279	18	both	both	DT
39142	1279	19	instances	instance	NNS
39142	1279	20	,	,	,
39142	1279	21	and	and	CC
39142	1279	22	also	also	RB
39142	1279	23	in	in	IN
39142	1279	24	the	the	DT
39142	1279	25	electric	electric	JJ
39142	1279	26	furnace	furnace	NN
39142	1279	27	at	at	IN
39142	1279	28	reduced	reduced	JJ
39142	1279	29	temperatures	temperature	NNS
39142	1279	30	,	,	,
39142	1279	31	give	give	VBP
39142	1279	32	indication	indication	NN
39142	1279	33	of	of	IN
39142	1279	34	what	what	WP
39142	1279	35	may	may	MD
39142	1279	36	be	be	VB
39142	1279	37	expected	expect	VBN
39142	1279	38	to	to	TO
39142	1279	39	result	result	VB
39142	1279	40	from	from	IN
39142	1279	41	an	an	DT
39142	1279	42	attack	attack	NN
39142	1279	43	on	on	IN
39142	1279	44	the	the	DT
39142	1279	45	spectra	spectra	NN
39142	1279	46	of	of	IN
39142	1279	47	the	the	DT
39142	1279	48	red	red	JJ
39142	1279	49	stars	star	NNS
39142	1279	50	with	with	IN
39142	1279	51	more	more	RBR
39142	1279	52	powerful	powerful	JJ
39142	1279	53	instrumental	instrumental	JJ
39142	1279	54	means	mean	NNS
39142	1279	55	,	,	,
39142	1279	56	which	which	WDT
39142	1279	57	is	be	VBZ
39142	1279	58	now	now	RB
39142	1279	59	provided	provide	VBN
39142	1279	60	by	by	IN
39142	1279	61	the	the	DT
39142	1279	62	100-inch	100-inch	CD
39142	1279	63	telescope	telescope	NN
39142	1279	64	and	and	CC
39142	1279	65	its	-PRON-	PRP$
39142	1279	66	large	large	JJ
39142	1279	67	stellar	stellar	JJ
39142	1279	68	spectrograph	spectrograph	NN
39142	1279	69	.	.	.
39142	1280	1	Other	other	JJ
39142	1280	2	elements	element	NNS
39142	1280	3	in	in	IN
39142	1280	4	the	the	DT
39142	1280	5	design	design	NN
39142	1280	6	of	of	IN
39142	1280	7	the	the	DT
39142	1280	8	100-inch	100-inch	CD
39142	1280	9	Hooker	Hooker	NNP
39142	1280	10	telescope	telescope	NN
39142	1280	11	have	have	VBP
39142	1280	12	the	the	DT
39142	1280	13	same	same	JJ
39142	1280	14	general	general	JJ
39142	1280	15	object	object	NN
39142	1280	16	in	in	IN
39142	1280	17	view	view	NN
39142	1280	18	--	--	:
39142	1280	19	that	that	IN
39142	1280	20	of	of	IN
39142	1280	21	developing	develop	VBG
39142	1280	22	and	and	CC
39142	1280	23	applying	apply	VBG
39142	1280	24	in	in	IN
39142	1280	25	astronomical	astronomical	JJ
39142	1280	26	practice	practice	NN
39142	1280	27	the	the	DT
39142	1280	28	effective	effective	JJ
39142	1280	29	research	research	NN
39142	1280	30	methods	method	NNS
39142	1280	31	suggested	suggest	VBN
39142	1280	32	by	by	IN
39142	1280	33	recent	recent	JJ
39142	1280	34	advances	advance	NNS
39142	1280	35	in	in	IN
39142	1280	36	physics	physics	NN
39142	1280	37	.	.	.
39142	1281	1	Fresh	fresh	JJ
39142	1281	2	possibilities	possibility	NNS
39142	1281	3	of	of	IN
39142	1281	4	progress	progress	NN
39142	1281	5	are	be	VBP
39142	1281	6	constantly	constantly	RB
39142	1281	7	arising	arise	VBG
39142	1281	8	,	,	,
39142	1281	9	and	and	CC
39142	1281	10	these	these	DT
39142	1281	11	are	be	VBP
39142	1281	12	utilized	utilize	VBN
39142	1281	13	as	as	RB
39142	1281	14	rapidly	rapidly	RB
39142	1281	15	as	as	IN
39142	1281	16	circumstances	circumstance	NNS
39142	1281	17	permit	permit	VBP
39142	1281	18	.	.	.
39142	1282	1	The	the	DT
39142	1282	2	policy	policy	NN
39142	1282	3	of	of	IN
39142	1282	4	undertaking	undertake	VBG
39142	1282	5	the	the	DT
39142	1282	6	interpretations	interpretation	NNS
39142	1282	7	of	of	IN
39142	1282	8	celestial	celestial	JJ
39142	1282	9	phenomena	phenomenon	NNS
39142	1282	10	by	by	IN
39142	1282	11	laboratory	laboratory	NN
39142	1282	12	experiments	experiment	NNS
39142	1282	13	,	,	,
39142	1282	14	an	an	DT
39142	1282	15	important	important	JJ
39142	1282	16	element	element	NN
39142	1282	17	in	in	IN
39142	1282	18	the	the	DT
39142	1282	19	initial	initial	JJ
39142	1282	20	organization	organization	NN
39142	1282	21	of	of	IN
39142	1282	22	Mount	Mount	NNP
39142	1282	23	Wilson	Wilson	NNP
39142	1282	24	,	,	,
39142	1282	25	has	have	VBZ
39142	1282	26	certainly	certainly	RB
39142	1282	27	been	be	VBN
39142	1282	28	justified	justify	VBN
39142	1282	29	by	by	IN
39142	1282	30	its	-PRON-	PRP$
39142	1282	31	results	result	NNS
39142	1282	32	.	.	.
39142	1283	1	Indeed	indeed	RB
39142	1283	2	,	,	,
39142	1283	3	the	the	DT
39142	1283	4	development	development	NN
39142	1283	5	of	of	IN
39142	1283	6	many	many	JJ
39142	1283	7	of	of	IN
39142	1283	8	the	the	DT
39142	1283	9	chief	chief	JJ
39142	1283	10	solar	solar	JJ
39142	1283	11	investigations	investigation	NNS
39142	1283	12	would	would	MD
39142	1283	13	have	have	VB
39142	1283	14	been	be	VBN
39142	1283	15	impossible	impossible	JJ
39142	1283	16	without	without	IN
39142	1283	17	the	the	DT
39142	1283	18	aid	aid	NN
39142	1283	19	of	of	IN
39142	1283	20	special	special	JJ
39142	1283	21	laboratory	laboratory	NN
39142	1283	22	studies	study	NNS
39142	1283	23	,	,	,
39142	1283	24	going	go	VBG
39142	1283	25	hand	hand	NN
39142	1283	26	in	in	IN
39142	1283	27	hand	hand	NN
39142	1283	28	with	with	IN
39142	1283	29	the	the	DT
39142	1283	30	astronomical	astronomical	JJ
39142	1283	31	observations	observation	NNS
39142	1283	32	.	.	.
39142	1284	1	So	so	RB
39142	1284	2	indispensable	indispensable	JJ
39142	1284	3	are	be	VBP
39142	1284	4	such	such	JJ
39142	1284	5	researches	research	NNS
39142	1284	6	,	,	,
39142	1284	7	and	and	CC
39142	1284	8	so	so	RB
39142	1284	9	great	great	JJ
39142	1284	10	is	be	VBZ
39142	1284	11	the	the	DT
39142	1284	12	promise	promise	NN
39142	1284	13	of	of	IN
39142	1284	14	their	-PRON-	PRP$
39142	1284	15	extension	extension	NN
39142	1284	16	,	,	,
39142	1284	17	that	that	IN
39142	1284	18	the	the	DT
39142	1284	19	time	time	NN
39142	1284	20	has	have	VBZ
39142	1284	21	now	now	RB
39142	1284	22	come	come	VBN
39142	1284	23	for	for	IN
39142	1284	24	advancing	advance	VBG
39142	1284	25	the	the	DT
39142	1284	26	laboratory	laboratory	NN
39142	1284	27	work	work	NN
39142	1284	28	from	from	IN
39142	1284	29	an	an	DT
39142	1284	30	accessory	accessory	JJ
39142	1284	31	feature	feature	NN
39142	1284	32	to	to	IN
39142	1284	33	full	full	JJ
39142	1284	34	equality	equality	NN
39142	1284	35	with	with	IN
39142	1284	36	the	the	DT
39142	1284	37	major	major	JJ
39142	1284	38	factors	factor	NNS
39142	1284	39	in	in	IN
39142	1284	40	the	the	DT
39142	1284	41	work	work	NN
39142	1284	42	of	of	IN
39142	1284	43	the	the	DT
39142	1284	44	observatory	observatory	NN
39142	1284	45	.	.	.
39142	1285	1	Accordingly	accordingly	RB
39142	1285	2	a	a	DT
39142	1285	3	new	new	JJ
39142	1285	4	instrument	instrument	NN
39142	1285	5	now	now	RB
39142	1285	6	under	under	IN
39142	1285	7	installation	installation	NN
39142	1285	8	is	be	VBZ
39142	1285	9	an	an	DT
39142	1285	10	extremely	extremely	RB
39142	1285	11	powerful	powerful	JJ
39142	1285	12	electro	electro	JJ
39142	1285	13	-	-	HYPH
39142	1285	14	magnet	magnet	NN
39142	1285	15	,	,	,
39142	1285	16	designed	design	VBN
39142	1285	17	by	by	IN
39142	1285	18	Anderson	Anderson	NNP
39142	1285	19	for	for	IN
39142	1285	20	the	the	DT
39142	1285	21	extension	extension	NN
39142	1285	22	of	of	IN
39142	1285	23	researches	research	NNS
39142	1285	24	on	on	IN
39142	1285	25	the	the	DT
39142	1285	26	Zeeman	Zeeman	NNP
39142	1285	27	effect	effect	NN
39142	1285	28	,	,	,
39142	1285	29	and	and	CC
39142	1285	30	for	for	IN
39142	1285	31	other	other	JJ
39142	1285	32	related	related	JJ
39142	1285	33	investigations	investigation	NNS
39142	1285	34	.	.	.
39142	1286	1	Within	within	IN
39142	1286	2	the	the	DT
39142	1286	3	large	large	JJ
39142	1286	4	and	and	CC
39142	1286	5	uniform	uniform	JJ
39142	1286	6	field	field	NN
39142	1286	7	of	of	IN
39142	1286	8	this	this	DT
39142	1286	9	magnet	magnet	NN
39142	1286	10	,	,	,
39142	1286	11	which	which	WDT
39142	1286	12	is	be	VBZ
39142	1286	13	built	build	VBN
39142	1286	14	in	in	IN
39142	1286	15	the	the	DT
39142	1286	16	form	form	NN
39142	1286	17	of	of	IN
39142	1286	18	a	a	DT
39142	1286	19	solenoid	solenoid	NN
39142	1286	20	,	,	,
39142	1286	21	a	a	DT
39142	1286	22	special	special	JJ
39142	1286	23	electric	electric	JJ
39142	1286	24	furnace	furnace	NN
39142	1286	25	,	,	,
39142	1286	26	designed	design	VBN
39142	1286	27	for	for	IN
39142	1286	28	this	this	DT
39142	1286	29	purpose	purpose	NN
39142	1286	30	by	by	IN
39142	1286	31	King	King	NNP
39142	1286	32	,	,	,
39142	1286	33	is	be	VBZ
39142	1286	34	used	use	VBN
39142	1286	35	for	for	IN
39142	1286	36	the	the	DT
39142	1286	37	study	study	NN
39142	1286	38	of	of	IN
39142	1286	39	the	the	DT
39142	1286	40	inverse	inverse	NN
39142	1286	41	Zeeman	Zeeman	NNP
39142	1286	42	effect	effect	NN
39142	1286	43	at	at	IN
39142	1286	44	various	various	JJ
39142	1286	45	angles	angle	NNS
39142	1286	46	with	with	IN
39142	1286	47	the	the	DT
39142	1286	48	lines	line	NNS
39142	1286	49	of	of	IN
39142	1286	50	force	force	NN
39142	1286	51	.	.	.
39142	1287	1	This	this	DT
39142	1287	2	will	will	MD
39142	1287	3	provide	provide	VB
39142	1287	4	the	the	DT
39142	1287	5	means	mean	NNS
39142	1287	6	of	of	IN
39142	1287	7	interpreting	interpret	VBG
39142	1287	8	certain	certain	JJ
39142	1287	9	remarkable	remarkable	JJ
39142	1287	10	anomalies	anomaly	NNS
39142	1287	11	in	in	IN
39142	1287	12	the	the	DT
39142	1287	13	magnetic	magnetic	JJ
39142	1287	14	phenomena	phenomenon	NNS
39142	1287	15	of	of	IN
39142	1287	16	sun	sun	NN
39142	1287	17	spots	spot	NNS
39142	1287	18	.	.	.
39142	1288	1	The	the	DT
39142	1288	2	100-inch	100-inch	CD
39142	1288	3	telescope	telescope	NN
39142	1288	4	is	be	VBZ
39142	1288	5	now	now	RB
39142	1288	6	in	in	IN
39142	1288	7	regular	regular	JJ
39142	1288	8	use	use	NN
39142	1288	9	.	.	.
39142	1289	1	All	all	PDT
39142	1289	2	the	the	DT
39142	1289	3	tests	test	NNS
39142	1289	4	so	so	RB
39142	1289	5	far	far	RB
39142	1289	6	applied	applied	JJ
39142	1289	7	show	show	NN
39142	1289	8	that	that	IN
39142	1289	9	it	-PRON-	PRP
39142	1289	10	greatly	greatly	RB
39142	1289	11	surpasses	surpass	VBZ
39142	1289	12	the	the	DT
39142	1289	13	60-inch	60-inch	CD
39142	1289	14	telescope	telescope	NN
39142	1289	15	in	in	IN
39142	1289	16	every	every	DT
39142	1289	17	class	class	NN
39142	1289	18	of	of	IN
39142	1289	19	work	work	NN
39142	1289	20	.	.	.
39142	1290	1	For	for	IN
39142	1290	2	many	many	JJ
39142	1290	3	months	month	NNS
39142	1290	4	most	most	JJS
39142	1290	5	of	of	IN
39142	1290	6	the	the	DT
39142	1290	7	observations	observation	NNS
39142	1290	8	and	and	CC
39142	1290	9	photographs	photograph	NNS
39142	1290	10	have	have	VBP
39142	1290	11	been	be	VBN
39142	1290	12	made	make	VBN
39142	1290	13	with	with	IN
39142	1290	14	the	the	DT
39142	1290	15	Cassegrain	Cassegrain	NNP
39142	1290	16	combination	combination	NN
39142	1290	17	of	of	IN
39142	1290	18	mirrors	mirror	NNS
39142	1290	19	,	,	,
39142	1290	20	giving	give	VBG
39142	1290	21	an	an	DT
39142	1290	22	equivalent	equivalent	JJ
39142	1290	23	focal	focal	JJ
39142	1290	24	length	length	NN
39142	1290	25	of	of	IN
39142	1290	26	134	134	CD
39142	1290	27	feet	foot	NNS
39142	1290	28	and	and	CC
39142	1290	29	involving	involve	VBG
39142	1290	30	three	three	CD
39142	1290	31	reflections	reflection	NNS
39142	1290	32	of	of	IN
39142	1290	33	light	light	NN
39142	1290	34	.	.	.
39142	1291	1	The	the	DT
39142	1291	2	100-inch	100-inch	CD
39142	1291	3	telescope	telescope	NN
39142	1291	4	is	be	VBZ
39142	1291	5	found	find	VBN
39142	1291	6	to	to	TO
39142	1291	7	give	give	VB
39142	1291	8	nearly	nearly	RB
39142	1291	9	2.8	2.8	CD
39142	1291	10	times	time	NNS
39142	1291	11	as	as	RB
39142	1291	12	much	much	JJ
39142	1291	13	light	light	NN
39142	1291	14	as	as	IN
39142	1291	15	the	the	DT
39142	1291	16	60-inch	60-inch	CD
39142	1291	17	telescope	telescope	NN
39142	1291	18	,	,	,
39142	1291	19	and	and	CC
39142	1291	20	therefore	therefore	RB
39142	1291	21	extends	extend	VBZ
39142	1291	22	the	the	DT
39142	1291	23	scope	scope	NN
39142	1291	24	of	of	IN
39142	1291	25	the	the	DT
39142	1291	26	instrument	instrument	NN
39142	1291	27	to	to	IN
39142	1291	28	all	all	PDT
39142	1291	29	the	the	DT
39142	1291	30	stars	star	NNS
39142	1291	31	an	an	DT
39142	1291	32	entire	entire	JJ
39142	1291	33	magnitude	magnitude	NN
39142	1291	34	fainter	fainter	NN
39142	1291	35	.	.	.
39142	1292	1	This	this	DT
39142	1292	2	is	be	VBZ
39142	1292	3	a	a	DT
39142	1292	4	very	very	RB
39142	1292	5	important	important	JJ
39142	1292	6	gain	gain	NN
39142	1292	7	for	for	IN
39142	1292	8	research	research	NN
39142	1292	9	on	on	IN
39142	1292	10	the	the	DT
39142	1292	11	faint	faint	JJ
39142	1292	12	globular	globular	JJ
39142	1292	13	clusters	cluster	NNS
39142	1292	14	,	,	,
39142	1292	15	as	as	RB
39142	1292	16	well	well	RB
39142	1292	17	as	as	IN
39142	1292	18	the	the	DT
39142	1292	19	small	small	JJ
39142	1292	20	and	and	CC
39142	1292	21	faint	faint	JJ
39142	1292	22	spiral	spiral	NN
39142	1292	23	and	and	CC
39142	1292	24	planetary	planetary	NN
39142	1292	25	nebulæ	nebulæ	NN
39142	1292	26	,	,	,
39142	1292	27	providing	provide	VBG
39142	1292	28	a	a	DT
39142	1292	29	much	much	RB
39142	1292	30	larger	large	JJR
39142	1292	31	scale	scale	NN
39142	1292	32	for	for	IN
39142	1292	33	these	these	DT
39142	1292	34	objects	object	NNS
39142	1292	35	and	and	CC
39142	1292	36	sufficient	sufficient	JJ
39142	1292	37	light	light	NN
39142	1292	38	at	at	IN
39142	1292	39	the	the	DT
39142	1292	40	same	same	JJ
39142	1292	41	time	time	NN
39142	1292	42	.	.	.
39142	1293	1	Photographs	photograph	NNS
39142	1293	2	of	of	IN
39142	1293	3	the	the	DT
39142	1293	4	moon	moon	NN
39142	1293	5	and	and	CC
39142	1293	6	many	many	JJ
39142	1293	7	other	other	JJ
39142	1293	8	less	less	RBR
39142	1293	9	critical	critical	JJ
39142	1293	10	tests	test	NNS
39142	1293	11	have	have	VBP
39142	1293	12	been	be	VBN
39142	1293	13	made	make	VBN
39142	1293	14	with	with	IN
39142	1293	15	very	very	RB
39142	1293	16	satisfactory	satisfactory	JJ
39142	1293	17	results	result	NNS
39142	1293	18	.	.	.
39142	1294	1	Those	those	DT
39142	1294	2	of	of	IN
39142	1294	3	the	the	DT
39142	1294	4	moon	moon	NN
39142	1294	5	appear	appear	VBP
39142	1294	6	to	to	TO
39142	1294	7	be	be	VB
39142	1294	8	decidedly	decidedly	RB
39142	1294	9	superior	superior	JJ
39142	1294	10	in	in	IN
39142	1294	11	definition	definition	NN
39142	1294	12	to	to	IN
39142	1294	13	any	any	DT
39142	1294	14	previously	previously	RB
39142	1294	15	taken	take	VBN
39142	1294	16	with	with	IN
39142	1294	17	other	other	JJ
39142	1294	18	instruments	instrument	NNS
39142	1294	19	.	.	.
39142	1295	1	Another	another	DT
39142	1295	2	investigation	investigation	NN
39142	1295	3	is	be	VBZ
39142	1295	4	of	of	IN
39142	1295	5	great	great	JJ
39142	1295	6	importance	importance	NN
39142	1295	7	in	in	IN
39142	1295	8	the	the	DT
39142	1295	9	light	light	NN
39142	1295	10	of	of	IN
39142	1295	11	recent	recent	JJ
39142	1295	12	advances	advance	NNS
39142	1295	13	in	in	IN
39142	1295	14	theoretical	theoretical	JJ
39142	1295	15	dynamics	dynamic	NNS
39142	1295	16	.	.	.
39142	1296	1	Darwin	Darwin	NNP
39142	1296	2	,	,	,
39142	1296	3	in	in	IN
39142	1296	4	his	-PRON-	PRP$
39142	1296	5	fundamental	fundamental	JJ
39142	1296	6	researches	research	NNS
39142	1296	7	on	on	IN
39142	1296	8	the	the	DT
39142	1296	9	dynamics	dynamic	NNS
39142	1296	10	of	of	IN
39142	1296	11	rotating	rotate	VBG
39142	1296	12	masses	masse	NNS
39142	1296	13	,	,	,
39142	1296	14	dealt	deal	VBD
39142	1296	15	with	with	IN
39142	1296	16	incompressible	incompressible	JJ
39142	1296	17	matter	matter	NN
39142	1296	18	,	,	,
39142	1296	19	which	which	WDT
39142	1296	20	assumes	assume	VBZ
39142	1296	21	the	the	DT
39142	1296	22	well	well	RB
39142	1296	23	-	-	HYPH
39142	1296	24	known	know	VBN
39142	1296	25	pear	pear	NN
39142	1296	26	-	-	HYPH
39142	1296	27	shaped	shape	VBN
39142	1296	28	figure	figure	NN
39142	1296	29	,	,	,
39142	1296	30	and	and	CC
39142	1296	31	may	may	MD
39142	1296	32	ultimately	ultimately	RB
39142	1296	33	separate	separate	VB
39142	1296	34	into	into	IN
39142	1296	35	two	two	CD
39142	1296	36	bodies	body	NNS
39142	1296	37	.	.	.
39142	1297	1	Roche	Roche	NNP
39142	1297	2	on	on	IN
39142	1297	3	the	the	DT
39142	1297	4	other	other	JJ
39142	1297	5	hand	hand	NN
39142	1297	6	discussed	discuss	VBD
39142	1297	7	the	the	DT
39142	1297	8	evolution	evolution	NN
39142	1297	9	of	of	IN
39142	1297	10	a	a	DT
39142	1297	11	highly	highly	RB
39142	1297	12	compressible	compressible	JJ
39142	1297	13	mass	mass	NN
39142	1297	14	,	,	,
39142	1297	15	which	which	WDT
39142	1297	16	finally	finally	RB
39142	1297	17	acquires	acquire	VBZ
39142	1297	18	a	a	DT
39142	1297	19	lens	lens	NN
39142	1297	20	-	-	HYPH
39142	1297	21	shaped	shape	VBN
39142	1297	22	form	form	NN
39142	1297	23	and	and	CC
39142	1297	24	ejects	eject	VBZ
39142	1297	25	matter	matter	NN
39142	1297	26	at	at	IN
39142	1297	27	its	-PRON-	PRP$
39142	1297	28	periphery	periphery	NN
39142	1297	29	.	.	.
39142	1298	1	Both	both	DT
39142	1298	2	of	of	IN
39142	1298	3	these	these	DT
39142	1298	4	are	be	VBP
39142	1298	5	extreme	extreme	JJ
39142	1298	6	cases	case	NNS
39142	1298	7	.	.	.
39142	1299	1	Jeans	Jeans	NNPS
39142	1299	2	has	have	VBZ
39142	1299	3	recently	recently	RB
39142	1299	4	dealt	deal	VBN
39142	1299	5	with	with	IN
39142	1299	6	intermediate	intermediate	JJ
39142	1299	7	cases	case	NNS
39142	1299	8	,	,	,
39142	1299	9	such	such	JJ
39142	1299	10	as	as	IN
39142	1299	11	are	be	VBP
39142	1299	12	actually	actually	RB
39142	1299	13	encountered	encounter	VBN
39142	1299	14	in	in	IN
39142	1299	15	stars	star	NNS
39142	1299	16	and	and	CC
39142	1299	17	nebulæ	nebulæ	NN
39142	1299	18	.	.	.
39142	1300	1	He	-PRON-	PRP
39142	1300	2	finds	find	VBZ
39142	1300	3	that	that	IN
39142	1300	4	when	when	WRB
39142	1300	5	the	the	DT
39142	1300	6	density	density	NN
39142	1300	7	is	be	VBZ
39142	1300	8	less	less	JJR
39142	1300	9	than	than	IN
39142	1300	10	about	about	RB
39142	1300	11	one	one	CD
39142	1300	12	-	-	HYPH
39142	1300	13	fourth	fourth	NN
39142	1300	14	that	that	DT
39142	1300	15	of	of	IN
39142	1300	16	water	water	NN
39142	1300	17	,	,	,
39142	1300	18	a	a	DT
39142	1300	19	lens	lens	NN
39142	1300	20	-	-	HYPH
39142	1300	21	shaped	shape	VBN
39142	1300	22	figure	figure	NN
39142	1300	23	will	will	MD
39142	1300	24	be	be	VB
39142	1300	25	produced	produce	VBN
39142	1300	26	with	with	IN
39142	1300	27	sharp	sharp	JJ
39142	1300	28	edges	edge	NNS
39142	1300	29	,	,	,
39142	1300	30	as	as	IN
39142	1300	31	depicted	depict	VBN
39142	1300	32	by	by	IN
39142	1300	33	Roche	Roche	NNP
39142	1300	34	.	.	.
39142	1301	1	Matter	Matter	NNP
39142	1301	2	thrown	throw	VBN
39142	1301	3	off	off	RP
39142	1301	4	at	at	IN
39142	1301	5	opposite	opposite	JJ
39142	1301	6	points	point	NNS
39142	1301	7	on	on	IN
39142	1301	8	the	the	DT
39142	1301	9	periphery	periphery	NN
39142	1301	10	,	,	,
39142	1301	11	under	under	IN
39142	1301	12	the	the	DT
39142	1301	13	influence	influence	NN
39142	1301	14	of	of	IN
39142	1301	15	small	small	JJ
39142	1301	16	tidal	tidal	JJ
39142	1301	17	forces	force	NNS
39142	1301	18	from	from	IN
39142	1301	19	neighboring	neighboring	NN
39142	1301	20	masses	masse	NNS
39142	1301	21	,	,	,
39142	1301	22	may	may	MD
39142	1301	23	take	take	VB
39142	1301	24	the	the	DT
39142	1301	25	form	form	NN
39142	1301	26	of	of	IN
39142	1301	27	two	two	CD
39142	1301	28	symmetric	symmetric	JJ
39142	1301	29	filaments	filament	NNS
39142	1301	30	,	,	,
39142	1301	31	though	though	IN
39142	1301	32	it	-PRON-	PRP
39142	1301	33	is	be	VBZ
39142	1301	34	not	not	RB
39142	1301	35	yet	yet	RB
39142	1301	36	entirely	entirely	RB
39142	1301	37	clear	clear	JJ
39142	1301	38	how	how	WRB
39142	1301	39	these	these	DT
39142	1301	40	may	may	MD
39142	1301	41	attain	attain	VB
39142	1301	42	the	the	DT
39142	1301	43	characteristic	characteristic	JJ
39142	1301	44	configuration	configuration	NN
39142	1301	45	of	of	IN
39142	1301	46	spiral	spiral	JJ
39142	1301	47	nebulæ	nebulæ	NN
39142	1301	48	.	.	.
39142	1302	1	The	the	DT
39142	1302	2	preliminary	preliminary	JJ
39142	1302	3	results	result	NNS
39142	1302	4	of	of	IN
39142	1302	5	Van	Van	NNP
39142	1302	6	Maanen	Maanen	NNP
39142	1302	7	indicate	indicate	VBP
39142	1302	8	motion	motion	NN
39142	1302	9	outward	outward	RB
39142	1302	10	along	along	IN
39142	1302	11	the	the	DT
39142	1302	12	arms	arm	NNS
39142	1302	13	,	,	,
39142	1302	14	in	in	IN
39142	1302	15	harmony	harmony	NN
39142	1302	16	with	with	IN
39142	1302	17	Jeans	Jeans	NNPS
39142	1302	18	's	's	POS
39142	1302	19	views	view	NNS
39142	1302	20	.	.	.
39142	1303	1	Jeans	Jeans	NNPS
39142	1303	2	further	further	RB
39142	1303	3	discusses	discuss	VBZ
39142	1303	4	the	the	DT
39142	1303	5	evolution	evolution	NN
39142	1303	6	of	of	IN
39142	1303	7	the	the	DT
39142	1303	8	arms	arm	NNS
39142	1303	9	,	,	,
39142	1303	10	which	which	WDT
39142	1303	11	will	will	MD
39142	1303	12	break	break	VB
39142	1303	13	up	up	RP
39142	1303	14	into	into	IN
39142	1303	15	nuclei	nucleus	NNS
39142	1303	16	(	(	-LRB-
39142	1303	17	of	of	IN
39142	1303	18	the	the	DT
39142	1303	19	order	order	NN
39142	1303	20	of	of	IN
39142	1303	21	mass	mass	NN
39142	1303	22	of	of	IN
39142	1303	23	the	the	DT
39142	1303	24	sun	sun	NN
39142	1303	25	)	)	-RRB-
39142	1303	26	if	if	IN
39142	1303	27	they	-PRON-	PRP
39142	1303	28	are	be	VBP
39142	1303	29	sufficiently	sufficiently	RB
39142	1303	30	massive	massive	JJ
39142	1303	31	,	,	,
39142	1303	32	but	but	CC
39142	1303	33	will	will	MD
39142	1303	34	diffuse	diffuse	VB
39142	1303	35	away	away	RB
39142	1303	36	if	if	IN
39142	1303	37	their	-PRON-	PRP$
39142	1303	38	gravitational	gravitational	JJ
39142	1303	39	attraction	attraction	NN
39142	1303	40	is	be	VBZ
39142	1303	41	small	small	JJ
39142	1303	42	.	.	.
39142	1304	1	The	the	DT
39142	1304	2	mass	mass	NN
39142	1304	3	of	of	IN
39142	1304	4	our	-PRON-	PRP$
39142	1304	5	solar	solar	JJ
39142	1304	6	system	system	NN
39142	1304	7	is	be	VBZ
39142	1304	8	apparently	apparently	RB
39142	1304	9	not	not	RB
39142	1304	10	great	great	JJ
39142	1304	11	enough	enough	RB
39142	1304	12	,	,	,
39142	1304	13	according	accord	VBG
39142	1304	14	to	to	IN
39142	1304	15	Jeans	Jeans	NNPS
39142	1304	16	,	,	,
39142	1304	17	to	to	TO
39142	1304	18	account	account	VB
39142	1304	19	for	for	IN
39142	1304	20	its	-PRON-	PRP$
39142	1304	21	formation	formation	NN
39142	1304	22	in	in	IN
39142	1304	23	this	this	DT
39142	1304	24	way	way	NN
39142	1304	25	.	.	.
39142	1305	1	As	as	IN
39142	1305	2	is	be	VBZ
39142	1305	3	apparent	apparent	JJ
39142	1305	4	,	,	,
39142	1305	5	these	these	DT
39142	1305	6	investigations	investigation	NNS
39142	1305	7	lead	lead	VBP
39142	1305	8	to	to	IN
39142	1305	9	conclusions	conclusion	NNS
39142	1305	10	very	very	RB
39142	1305	11	different	different	JJ
39142	1305	12	from	from	IN
39142	1305	13	those	those	DT
39142	1305	14	derived	derive	VBN
39142	1305	15	by	by	IN
39142	1305	16	Chamberlin	Chamberlin	NNP
39142	1305	17	and	and	CC
39142	1305	18	Moulton	Moulton	NNP
39142	1305	19	from	from	IN
39142	1305	20	the	the	DT
39142	1305	21	planetesimal	planetesimal	NN
39142	1305	22	hypothesis	hypothesis	NN
39142	1305	23	.	.	.
39142	1306	1	This	this	DT
39142	1306	2	is	be	VBZ
39142	1306	3	a	a	DT
39142	1306	4	critical	critical	JJ
39142	1306	5	study	study	NN
39142	1306	6	of	of	IN
39142	1306	7	spiral	spiral	JJ
39142	1306	8	nebulæ	nebulæ	NN
39142	1306	9	for	for	IN
39142	1306	10	which	which	WDT
39142	1306	11	the	the	DT
39142	1306	12	100-inch	100-inch	CD
39142	1306	13	telescope	telescope	NN
39142	1306	14	is	be	VBZ
39142	1306	15	of	of	IN
39142	1306	16	all	all	DT
39142	1306	17	instruments	instrument	NNS
39142	1306	18	in	in	IN
39142	1306	19	existence	existence	NN
39142	1306	20	the	the	DT
39142	1306	21	best	well	RBS
39142	1306	22	suited	suited	JJ
39142	1306	23	.	.	.
39142	1307	1	The	the	DT
39142	1307	2	spectra	spectra	NN
39142	1307	3	of	of	IN
39142	1307	4	the	the	DT
39142	1307	5	spirals	spiral	NNS
39142	1307	6	must	must	MD
39142	1307	7	be	be	VB
39142	1307	8	studied	study	VBN
39142	1307	9	,	,	,
39142	1307	10	as	as	RB
39142	1307	11	well	well	RB
39142	1307	12	as	as	IN
39142	1307	13	the	the	DT
39142	1307	14	motions	motion	NNS
39142	1307	15	of	of	IN
39142	1307	16	the	the	DT
39142	1307	17	matter	matter	NN
39142	1307	18	composing	compose	VBG
39142	1307	19	the	the	DT
39142	1307	20	arms	arm	NNS
39142	1307	21	.	.	.
39142	1308	1	Their	-PRON-	PRP$
39142	1308	2	parallaxes	parallax	NNS
39142	1308	3	,	,	,
39142	1308	4	too	too	RB
39142	1308	5	,	,	,
39142	1308	6	must	must	MD
39142	1308	7	be	be	VB
39142	1308	8	ascertained	ascertain	VBN
39142	1308	9	.	.	.
39142	1309	1	A	a	DT
39142	1309	2	photographic	photographic	JJ
39142	1309	3	campaign	campaign	NN
39142	1309	4	including	include	VBG
39142	1309	5	spiral	spiral	JJ
39142	1309	6	nebulæ	nebulæ	NN
39142	1309	7	of	of	IN
39142	1309	8	various	various	JJ
39142	1309	9	types	type	NNS
39142	1309	10	will	will	MD
39142	1309	11	settle	settle	VB
39142	1309	12	the	the	DT
39142	1309	13	question	question	NN
39142	1309	14	of	of	IN
39142	1309	15	internal	internal	JJ
39142	1309	16	motions	motion	NNS
39142	1309	17	.	.	.
39142	1310	1	The	the	DT
39142	1310	2	large	large	JJ
39142	1310	3	scale	scale	NN
39142	1310	4	of	of	IN
39142	1310	5	the	the	DT
39142	1310	6	spiral	spiral	JJ
39142	1310	7	nebulæ	nebulæ	NN
39142	1310	8	at	at	IN
39142	1310	9	the	the	DT
39142	1310	10	principal	principal	JJ
39142	1310	11	focus	focus	NN
39142	1310	12	of	of	IN
39142	1310	13	the	the	DT
39142	1310	14	Hooker	Hooker	NNP
39142	1310	15	telescope	telescope	NN
39142	1310	16	,	,	,
39142	1310	17	and	and	CC
39142	1310	18	the	the	DT
39142	1310	19	experience	experience	NN
39142	1310	20	gained	gain	VBN
39142	1310	21	in	in	IN
39142	1310	22	the	the	DT
39142	1310	23	measurement	measurement	NN
39142	1310	24	of	of	IN
39142	1310	25	nebular	nebular	JJ
39142	1310	26	nuclei	nucleus	NNS
39142	1310	27	for	for	IN
39142	1310	28	parallax	parallax	NN
39142	1310	29	determination	determination	NN
39142	1310	30	,	,	,
39142	1310	31	will	will	MD
39142	1310	32	help	help	VB
39142	1310	33	greatly	greatly	RB
39142	1310	34	in	in	IN
39142	1310	35	this	this	DT
39142	1310	36	research	research	NN
39142	1310	37	.	.	.
39142	1311	1	A	a	DT
39142	1311	2	multiple	multiple	JJ
39142	1311	3	-	-	HYPH
39142	1311	4	slit	slit	NN
39142	1311	5	spectrograph	spectrograph	NN
39142	1311	6	,	,	,
39142	1311	7	already	already	RB
39142	1311	8	applied	apply	VBN
39142	1311	9	at	at	IN
39142	1311	10	Mount	Mount	NNP
39142	1311	11	Wilson	Wilson	NNP
39142	1311	12	,	,	,
39142	1311	13	will	will	MD
39142	1311	14	be	be	VB
39142	1311	15	employed	employ	VBN
39142	1311	16	,	,	,
39142	1311	17	not	not	RB
39142	1311	18	only	only	RB
39142	1311	19	on	on	IN
39142	1311	20	spiral	spiral	JJ
39142	1311	21	nebulæ	nebulæ	NN
39142	1311	22	whose	whose	WP$
39142	1311	23	plane	plane	NN
39142	1311	24	is	be	VBZ
39142	1311	25	directed	direct	VBN
39142	1311	26	toward	toward	IN
39142	1311	27	us	-PRON-	PRP
39142	1311	28	,	,	,
39142	1311	29	but	but	CC
39142	1311	30	also	also	RB
39142	1311	31	on	on	IN
39142	1311	32	those	those	DT
39142	1311	33	whose	whose	WP$
39142	1311	34	plane	plane	NN
39142	1311	35	lies	lie	VBZ
39142	1311	36	at	at	IN
39142	1311	37	an	an	DT
39142	1311	38	angle	angle	NN
39142	1311	39	sufficient	sufficient	JJ
39142	1311	40	to	to	TO
39142	1311	41	permit	permit	VB
39142	1311	42	both	both	DT
39142	1311	43	components	component	NNS
39142	1311	44	of	of	IN
39142	1311	45	motion	motion	NN
39142	1311	46	to	to	TO
39142	1311	47	be	be	VB
39142	1311	48	measured	measure	VBN
39142	1311	49	by	by	IN
39142	1311	50	the	the	DT
39142	1311	51	two	two	CD
39142	1311	52	methods	method	NNS
39142	1311	53	.	.	.
39142	1312	1	In	in	IN
39142	1312	2	dealing	deal	VBG
39142	1312	3	with	with	IN
39142	1312	4	problems	problem	NNS
39142	1312	5	of	of	IN
39142	1312	6	structure	structure	NN
39142	1312	7	and	and	CC
39142	1312	8	motion	motion	NN
39142	1312	9	in	in	IN
39142	1312	10	the	the	DT
39142	1312	11	Galactic	galactic	JJ
39142	1312	12	system	system	NN
39142	1312	13	,	,	,
39142	1312	14	the	the	DT
39142	1312	15	100-inch	100-inch	CD
39142	1312	16	telescope	telescope	NN
39142	1312	17	offers	offer	VBZ
39142	1312	18	especial	especial	JJ
39142	1312	19	advantages	advantage	NNS
39142	1312	20	,	,	,
39142	1312	21	because	because	IN
39142	1312	22	of	of	IN
39142	1312	23	its	-PRON-	PRP$
39142	1312	24	vast	vast	JJ
39142	1312	25	light	light	NN
39142	1312	26	-	-	HYPH
39142	1312	27	gathering	gather	VBG
39142	1312	28	power	power	NN
39142	1312	29	.	.	.
39142	1313	1	Studies	study	NNS
39142	1313	2	of	of	IN
39142	1313	3	radial	radial	JJ
39142	1313	4	velocities	velocity	NNS
39142	1313	5	of	of	IN
39142	1313	6	the	the	DT
39142	1313	7	stars	star	NNS
39142	1313	8	have	have	VBP
39142	1313	9	hitherto	hitherto	VBN
39142	1313	10	been	be	VBN
39142	1313	11	necessarily	necessarily	RB
39142	1313	12	confined	confine	VBN
39142	1313	13	to	to	IN
39142	1313	14	the	the	DT
39142	1313	15	brighter	bright	JJR
39142	1313	16	stars	star	NNS
39142	1313	17	,	,	,
39142	1313	18	for	for	IN
39142	1313	19	the	the	DT
39142	1313	20	most	most	JJS
39142	1313	21	part	part	NN
39142	1313	22	even	even	RB
39142	1313	23	to	to	IN
39142	1313	24	those	those	DT
39142	1313	25	visible	visible	JJ
39142	1313	26	to	to	IN
39142	1313	27	the	the	DT
39142	1313	28	naked	naked	JJ
39142	1313	29	eye	eye	NN
39142	1313	30	.	.	.
39142	1314	1	While	while	IN
39142	1314	2	some	some	DT
39142	1314	3	of	of	IN
39142	1314	4	these	these	DT
39142	1314	5	are	be	VBP
39142	1314	6	very	very	RB
39142	1314	7	distant	distant	JJ
39142	1314	8	,	,	,
39142	1314	9	most	most	JJS
39142	1314	10	of	of	IN
39142	1314	11	the	the	DT
39142	1314	12	stars	star	NNS
39142	1314	13	whose	whose	WP$
39142	1314	14	radial	radial	JJ
39142	1314	15	velocities	velocity	NNS
39142	1314	16	are	be	VBP
39142	1314	17	known	know	VBN
39142	1314	18	belong	belong	VBP
39142	1314	19	to	to	IN
39142	1314	20	a	a	DT
39142	1314	21	very	very	RB
39142	1314	22	limited	limited	JJ
39142	1314	23	group	group	NN
39142	1314	24	,	,	,
39142	1314	25	perhaps	perhaps	RB
39142	1314	26	constituting	constitute	VBG
39142	1314	27	a	a	DT
39142	1314	28	distinct	distinct	JJ
39142	1314	29	cluster	cluster	NN
39142	1314	30	of	of	IN
39142	1314	31	which	which	WDT
39142	1314	32	the	the	DT
39142	1314	33	sun	sun	NN
39142	1314	34	is	be	VBZ
39142	1314	35	a	a	DT
39142	1314	36	member	member	NN
39142	1314	37	,	,	,
39142	1314	38	but	but	CC
39142	1314	39	in	in	IN
39142	1314	40	any	any	DT
39142	1314	41	event	event	NN
39142	1314	42	of	of	IN
39142	1314	43	insignificant	insignificant	JJ
39142	1314	44	proportions	proportion	NNS
39142	1314	45	when	when	WRB
39142	1314	46	contrasted	contrast	VBN
39142	1314	47	with	with	IN
39142	1314	48	the	the	DT
39142	1314	49	Galaxy	Galaxy	NNP
39142	1314	50	.	.	.
39142	1315	1	Current	current	JJ
39142	1315	2	spectrographic	spectrographic	JJ
39142	1315	3	work	work	NN
39142	1315	4	with	with	IN
39142	1315	5	the	the	DT
39142	1315	6	60-inch	60-inch	CD
39142	1315	7	telescope	telescope	NN
39142	1315	8	includes	include	VBZ
39142	1315	9	stars	star	NNS
39142	1315	10	of	of	IN
39142	1315	11	the	the	DT
39142	1315	12	eighth	eighth	JJ
39142	1315	13	magnitude	magnitude	NN
39142	1315	14	,	,	,
39142	1315	15	and	and	CC
39142	1315	16	some	some	DT
39142	1315	17	even	even	RB
39142	1315	18	fainter	fainter	NN
39142	1315	19	.	.	.
39142	1316	1	But	but	CC
39142	1316	2	while	while	IN
39142	1316	3	the	the	DT
39142	1316	4	60-inch	60-inch	CD
39142	1316	5	has	have	VBZ
39142	1316	6	enabled	enable	VBN
39142	1316	7	Adams	Adams	NNP
39142	1316	8	to	to	TO
39142	1316	9	measure	measure	VB
39142	1316	10	the	the	DT
39142	1316	11	distances	distance	NNS
39142	1316	12	of	of	IN
39142	1316	13	many	many	JJ
39142	1316	14	remote	remote	JJ
39142	1316	15	stars	star	NNS
39142	1316	16	by	by	IN
39142	1316	17	his	-PRON-	PRP$
39142	1316	18	new	new	JJ
39142	1316	19	spectroscopic	spectroscopic	JJ
39142	1316	20	method	method	NN
39142	1316	21	,	,	,
39142	1316	22	and	and	CC
39142	1316	23	to	to	TO
39142	1316	24	double	double	VB
39142	1316	25	the	the	DT
39142	1316	26	known	know	VBN
39142	1316	27	extent	extent	NN
39142	1316	28	(	(	-LRB-
39142	1316	29	so	so	RB
39142	1316	30	far	far	RB
39142	1316	31	as	as	IN
39142	1316	32	spectroscopic	spectroscopic	JJ
39142	1316	33	evidence	evidence	NN
39142	1316	34	is	be	VBZ
39142	1316	35	concerned	concern	VBN
39142	1316	36	)	)	-RRB-
39142	1316	37	of	of	IN
39142	1316	38	the	the	DT
39142	1316	39	star	star	NN
39142	1316	40	streams	stream	NNS
39142	1316	41	of	of	IN
39142	1316	42	Kapteyn	Kapteyn	NNP
39142	1316	43	,	,	,
39142	1316	44	a	a	DT
39142	1316	45	much	much	RB
39142	1316	46	greater	great	JJR
39142	1316	47	advance	advance	NN
39142	1316	48	into	into	IN
39142	1316	49	space	space	NN
39142	1316	50	is	be	VBZ
39142	1316	51	necessary	necessary	JJ
39142	1316	52	to	to	TO
39142	1316	53	find	find	VB
39142	1316	54	out	out	RP
39142	1316	55	the	the	DT
39142	1316	56	community	community	NN
39142	1316	57	of	of	IN
39142	1316	58	motion	motion	NN
39142	1316	59	among	among	IN
39142	1316	60	the	the	DT
39142	1316	61	stars	star	NNS
39142	1316	62	comprising	comprise	VBG
39142	1316	63	the	the	DT
39142	1316	64	Galactic	galactic	JJ
39142	1316	65	system	system	NN
39142	1316	66	.	.	.
39142	1317	1	The	the	DT
39142	1317	2	Hooker	Hooker	NNP
39142	1317	3	telescope	telescope	NN
39142	1317	4	will	will	MD
39142	1317	5	enable	enable	VB
39142	1317	6	us	-PRON-	PRP
39142	1317	7	to	to	TO
39142	1317	8	determine	determine	VB
39142	1317	9	accurate	accurate	JJ
39142	1317	10	radial	radial	JJ
39142	1317	11	velocities	velocity	NNS
39142	1317	12	to	to	IN
39142	1317	13	stars	star	NNS
39142	1317	14	of	of	IN
39142	1317	15	the	the	DT
39142	1317	16	eleventh	eleventh	JJ
39142	1317	17	magnitude	magnitude	NN
39142	1317	18	,	,	,
39142	1317	19	which	which	WDT
39142	1317	20	doubtless	doubtless	RB
39142	1317	21	truly	truly	RB
39142	1317	22	represent	represent	VBP
39142	1317	23	the	the	DT
39142	1317	24	Galaxy	Galaxy	NNP
39142	1317	25	.	.	.
39142	1318	1	In	in	IN
39142	1318	2	order	order	NN
39142	1318	3	to	to	TO
39142	1318	4	secure	secure	VB
39142	1318	5	a	a	DT
39142	1318	6	maximum	maximum	JJ
39142	1318	7	return	return	NN
39142	1318	8	within	within	IN
39142	1318	9	a	a	DT
39142	1318	10	reasonable	reasonable	JJ
39142	1318	11	period	period	NN
39142	1318	12	of	of	IN
39142	1318	13	time	time	NN
39142	1318	14	,	,	,
39142	1318	15	the	the	DT
39142	1318	16	stars	star	NNS
39142	1318	17	in	in	IN
39142	1318	18	the	the	DT
39142	1318	19	selected	select	VBN
39142	1318	20	areas	area	NNS
39142	1318	21	of	of	IN
39142	1318	22	Kapteyn	Kapteyn	NNP
39142	1318	23	will	will	MD
39142	1318	24	be	be	VB
39142	1318	25	given	give	VBN
39142	1318	26	the	the	DT
39142	1318	27	preference	preference	NN
39142	1318	28	,	,	,
39142	1318	29	because	because	IN
39142	1318	30	of	of	IN
39142	1318	31	the	the	DT
39142	1318	32	vast	vast	JJ
39142	1318	33	amount	amount	NN
39142	1318	34	of	of	IN
39142	1318	35	work	work	NN
39142	1318	36	already	already	RB
39142	1318	37	done	do	VBN
39142	1318	38	,	,	,
39142	1318	39	relating	relate	VBG
39142	1318	40	to	to	IN
39142	1318	41	their	-PRON-	PRP$
39142	1318	42	positions	position	NNS
39142	1318	43	,	,	,
39142	1318	44	proper	proper	JJ
39142	1318	45	motions	motion	NNS
39142	1318	46	,	,	,
39142	1318	47	and	and	CC
39142	1318	48	visual	visual	JJ
39142	1318	49	and	and	CC
39142	1318	50	photographic	photographic	JJ
39142	1318	51	magnitudes	magnitude	NNS
39142	1318	52	.	.	.
39142	1319	1	Such	such	JJ
39142	1319	2	consideration	consideration	NN
39142	1319	3	as	as	IN
39142	1319	4	spectral	spectral	JJ
39142	1319	5	type	type	NN
39142	1319	6	,	,	,
39142	1319	7	the	the	DT
39142	1319	8	known	know	VBN
39142	1319	9	directions	direction	NNS
39142	1319	10	of	of	IN
39142	1319	11	star	star	NN
39142	1319	12	-	-	HYPH
39142	1319	13	streaming	streaming	NN
39142	1319	14	,	,	,
39142	1319	15	and	and	CC
39142	1319	16	the	the	DT
39142	1319	17	position	position	NN
39142	1319	18	of	of	IN
39142	1319	19	the	the	DT
39142	1319	20	chosen	choose	VBN
39142	1319	21	regions	region	NNS
39142	1319	22	with	with	IN
39142	1319	23	reference	reference	NN
39142	1319	24	to	to	IN
39142	1319	25	the	the	DT
39142	1319	26	plane	plane	NN
39142	1319	27	of	of	IN
39142	1319	28	the	the	DT
39142	1319	29	Galaxy	Galaxy	NNP
39142	1319	30	are	be	VBP
39142	1319	31	given	give	VBN
39142	1319	32	adequate	adequate	JJ
39142	1319	33	weight	weight	NN
39142	1319	34	,	,	,
39142	1319	35	and	and	CC
39142	1319	36	it	-PRON-	PRP
39142	1319	37	is	be	VBZ
39142	1319	38	of	of	IN
39142	1319	39	fundamental	fundamental	JJ
39142	1319	40	importance	importance	NN
39142	1319	41	that	that	IN
39142	1319	42	the	the	DT
39142	1319	43	method	method	NN
39142	1319	44	of	of	IN
39142	1319	45	spectroscopic	spectroscopic	JJ
39142	1319	46	parallaxes	parallax	NNS
39142	1319	47	will	will	MD
39142	1319	48	permit	permit	VB
39142	1319	49	dwarf	dwarf	NN
39142	1319	50	stars	star	NNS
39142	1319	51	to	to	TO
39142	1319	52	be	be	VB
39142	1319	53	distinguished	distinguish	VBN
39142	1319	54	from	from	IN
39142	1319	55	stars	star	NNS
39142	1319	56	that	that	WDT
39142	1319	57	are	be	VBP
39142	1319	58	in	in	IN
39142	1319	59	the	the	DT
39142	1319	60	giant	giant	JJ
39142	1319	61	class	class	NN
39142	1319	62	,	,	,
39142	1319	63	but	but	CC
39142	1319	64	rendered	render	VBN
39142	1319	65	faint	faint	JJ
39142	1319	66	by	by	IN
39142	1319	67	their	-PRON-	PRP$
39142	1319	68	much	much	RB
39142	1319	69	greater	great	JJR
39142	1319	70	distance	distance	NN
39142	1319	71	.	.	.
39142	1320	1	In	in	IN
39142	1320	2	addition	addition	NN
39142	1320	3	to	to	IN
39142	1320	4	these	these	DT
39142	1320	5	problems	problem	NNS
39142	1320	6	,	,	,
39142	1320	7	the	the	DT
39142	1320	8	stellar	stellar	JJ
39142	1320	9	spectrograms	spectrogram	NNS
39142	1320	10	will	will	MD
39142	1320	11	provide	provide	VB
39142	1320	12	rich	rich	JJ
39142	1320	13	material	material	NN
39142	1320	14	for	for	IN
39142	1320	15	study	study	NN
39142	1320	16	of	of	IN
39142	1320	17	the	the	DT
39142	1320	18	relationship	relationship	NN
39142	1320	19	between	between	IN
39142	1320	20	stellar	stellar	JJ
39142	1320	21	mass	mass	NN
39142	1320	22	and	and	CC
39142	1320	23	speed	speed	NN
39142	1320	24	,	,	,
39142	1320	25	and	and	CC
39142	1320	26	the	the	DT
39142	1320	27	nature	nature	NN
39142	1320	28	of	of	IN
39142	1320	29	giant	giant	JJ
39142	1320	30	stars	star	NNS
39142	1320	31	and	and	CC
39142	1320	32	dwarf	dwarf	NN
39142	1320	33	stars	star	NNS
39142	1320	34	.	.	.
39142	1321	1	Shapley	Shapley	NNP
39142	1321	2	's	's	POS
39142	1321	3	recent	recent	JJ
39142	1321	4	studies	study	NNS
39142	1321	5	of	of	IN
39142	1321	6	globular	globular	JJ
39142	1321	7	clusters	cluster	NNS
39142	1321	8	have	have	VBP
39142	1321	9	indicated	indicate	VBN
39142	1321	10	the	the	DT
39142	1321	11	significance	significance	NN
39142	1321	12	of	of	IN
39142	1321	13	these	these	DT
39142	1321	14	objects	object	NNS
39142	1321	15	in	in	IN
39142	1321	16	both	both	CC
39142	1321	17	evolutional	evolutional	JJ
39142	1321	18	and	and	CC
39142	1321	19	structural	structural	JJ
39142	1321	20	problems	problem	NNS
39142	1321	21	,	,	,
39142	1321	22	and	and	CC
39142	1321	23	the	the	DT
39142	1321	24	possibility	possibility	NN
39142	1321	25	of	of	IN
39142	1321	26	determining	determine	VBG
39142	1321	27	their	-PRON-	PRP$
39142	1321	28	parallaxes	parallax	NNS
39142	1321	29	by	by	IN
39142	1321	30	a	a	DT
39142	1321	31	number	number	NN
39142	1321	32	of	of	IN
39142	1321	33	independent	independent	JJ
39142	1321	34	methods	method	NNS
39142	1321	35	is	be	VBZ
39142	1321	36	of	of	IN
39142	1321	37	prime	prime	JJ
39142	1321	38	importance	importance	NN
39142	1321	39	,	,	,
39142	1321	40	both	both	CC
39142	1321	41	in	in	IN
39142	1321	42	its	-PRON-	PRP$
39142	1321	43	bearing	bearing	NN
39142	1321	44	on	on	IN
39142	1321	45	the	the	DT
39142	1321	46	structure	structure	NN
39142	1321	47	of	of	IN
39142	1321	48	the	the	DT
39142	1321	49	universe	universe	NN
39142	1321	50	and	and	CC
39142	1321	51	because	because	IN
39142	1321	52	it	-PRON-	PRP
39142	1321	53	permits	permit	VBZ
39142	1321	54	a	a	DT
39142	1321	55	host	host	NN
39142	1321	56	of	of	IN
39142	1321	57	apparent	apparent	JJ
39142	1321	58	magnitudes	magnitude	NNS
39142	1321	59	to	to	TO
39142	1321	60	be	be	VB
39142	1321	61	at	at	IN
39142	1321	62	once	once	RB
39142	1321	63	transformed	transform	VBN
39142	1321	64	into	into	IN
39142	1321	65	absolute	absolute	JJ
39142	1321	66	magnitudes	magnitude	NNS
39142	1321	67	.	.	.
39142	1322	1	Here	here	RB
39142	1322	2	the	the	DT
39142	1322	3	advantage	advantage	NN
39142	1322	4	of	of	IN
39142	1322	5	the	the	DT
39142	1322	6	Hooker	Hooker	NNP
39142	1322	7	telescope	telescope	NN
39142	1322	8	is	be	VBZ
39142	1322	9	two	two	CD
39142	1322	10	-	-	HYPH
39142	1322	11	fold	fold	RB
39142	1322	12	:	:	:
39142	1322	13	at	at	IN
39142	1322	14	its	-PRON-	PRP$
39142	1322	15	134-foot	134-foot	CD
39142	1322	16	focus	focus	NN
39142	1322	17	the	the	DT
39142	1322	18	increased	increase	VBN
39142	1322	19	scale	scale	NN
39142	1322	20	of	of	IN
39142	1322	21	the	the	DT
39142	1322	22	crowded	crowd	VBN
39142	1322	23	clusters	cluster	NNS
39142	1322	24	makes	make	VBZ
39142	1322	25	it	-PRON-	PRP
39142	1322	26	possible	possible	JJ
39142	1322	27	to	to	TO
39142	1322	28	select	select	VB
39142	1322	29	separate	separate	JJ
39142	1322	30	stars	star	NNS
39142	1322	31	for	for	IN
39142	1322	32	spectrum	spectrum	NNP
39142	1322	33	photography	photography	NNP
39142	1322	34	(	(	-LRB-
39142	1322	35	which	which	WDT
39142	1322	36	could	could	MD
39142	1322	37	not	not	RB
39142	1322	38	be	be	VB
39142	1322	39	done	do	VBN
39142	1322	40	with	with	IN
39142	1322	41	the	the	DT
39142	1322	42	60-inch	60-inch	CD
39142	1322	43	where	where	WRB
39142	1322	44	the	the	DT
39142	1322	45	images	image	NNS
39142	1322	46	were	be	VBD
39142	1322	47	commingled	commingle	VBN
39142	1322	48	)	)	-RRB-
39142	1322	49	;	;	:
39142	1322	50	and	and	CC
39142	1322	51	the	the	DT
39142	1322	52	great	great	JJ
39142	1322	53	gain	gain	NN
39142	1322	54	in	in	IN
39142	1322	55	light	light	NN
39142	1322	56	is	be	VBZ
39142	1322	57	such	such	JJ
39142	1322	58	that	that	IN
39142	1322	59	the	the	DT
39142	1322	60	spectra	spectra	NN
39142	1322	61	of	of	IN
39142	1322	62	stars	star	NNS
39142	1322	63	to	to	IN
39142	1322	64	the	the	DT
39142	1322	65	14th	14th	JJ
39142	1322	66	magnitude	magnitude	NN
39142	1322	67	have	have	VBP
39142	1322	68	been	be	VBN
39142	1322	69	photographed	photograph	VBN
39142	1322	70	in	in	IN
39142	1322	71	less	less	JJR
39142	1322	72	than	than	IN
39142	1322	73	an	an	DT
39142	1322	74	hour	hour	NN
39142	1322	75	.	.	.
39142	1323	1	Faint	faint	JJ
39142	1323	2	globular	globular	JJ
39142	1323	3	clusters	cluster	NNS
39142	1323	4	,	,	,
39142	1323	5	then	then	RB
39142	1323	6	,	,	,
39142	1323	7	will	will	MD
39142	1323	8	comprise	comprise	VB
39142	1323	9	a	a	DT
39142	1323	10	large	large	JJ
39142	1323	11	part	part	NN
39142	1323	12	of	of	IN
39142	1323	13	the	the	DT
39142	1323	14	early	early	JJ
39142	1323	15	program	program	NN
39142	1323	16	with	with	IN
39142	1323	17	the	the	DT
39142	1323	18	100-inch	100-inch	CD
39142	1323	19	telescope	telescope	NN
39142	1323	20	:	:	:
39142	1323	21	the	the	DT
39142	1323	22	faintest	faint	JJS
39142	1323	23	possible	possible	JJ
39142	1323	24	stars	star	NNS
39142	1323	25	in	in	IN
39142	1323	26	them	-PRON-	PRP
39142	1323	27	must	must	MD
39142	1323	28	be	be	VB
39142	1323	29	detected	detect	VBN
39142	1323	30	and	and	CC
39142	1323	31	their	-PRON-	PRP$
39142	1323	32	magnitudes	magnitude	NNS
39142	1323	33	and	and	CC
39142	1323	34	colors	color	NNS
39142	1323	35	measured	measure	VBN
39142	1323	36	;	;	:
39142	1323	37	spectral	spectral	JJ
39142	1323	38	types	type	NNS
39142	1323	39	must	must	MD
39142	1323	40	be	be	VB
39142	1323	41	determined	determine	VBN
39142	1323	42	,	,	,
39142	1323	43	and	and	CC
39142	1323	44	the	the	DT
39142	1323	45	radial	radial	JJ
39142	1323	46	velocities	velocity	NNS
39142	1323	47	of	of	IN
39142	1323	48	individual	individual	JJ
39142	1323	49	stars	star	NNS
39142	1323	50	and	and	CC
39142	1323	51	of	of	IN
39142	1323	52	clusters	cluster	NNS
39142	1323	53	as	as	IN
39142	1323	54	a	a	DT
39142	1323	55	whole	whole	JJ
39142	1323	56	;	;	:
39142	1323	57	spectroscopic	spectroscopic	JJ
39142	1323	58	evidence	evidence	NN
39142	1323	59	of	of	IN
39142	1323	60	possible	possible	JJ
39142	1323	61	axial	axial	JJ
39142	1323	62	rotation	rotation	NN
39142	1323	63	of	of	IN
39142	1323	64	globular	globular	JJ
39142	1323	65	clusters	cluster	NNS
39142	1323	66	must	must	MD
39142	1323	67	be	be	VB
39142	1323	68	searched	search	VBN
39142	1323	69	for	for	IN
39142	1323	70	;	;	:
39142	1323	71	and	and	CC
39142	1323	72	the	the	DT
39142	1323	73	method	method	NN
39142	1323	74	of	of	IN
39142	1323	75	spectroscopic	spectroscopic	JJ
39142	1323	76	parallaxes	parallax	NNS
39142	1323	77	,	,	,
39142	1323	78	as	as	RB
39142	1323	79	well	well	RB
39142	1323	80	as	as	IN
39142	1323	81	other	other	JJ
39142	1323	82	methods	method	NNS
39142	1323	83	,	,	,
39142	1323	84	must	must	MD
39142	1323	85	be	be	VB
39142	1323	86	applied	apply	VBN
39142	1323	87	to	to	IN
39142	1323	88	ascertaining	ascertain	VBG
39142	1323	89	the	the	DT
39142	1323	90	distances	distance	NNS
39142	1323	91	of	of	IN
39142	1323	92	these	these	DT
39142	1323	93	clusters	cluster	NNS
39142	1323	94	.	.	.
39142	1324	1	The	the	DT
39142	1324	2	possibility	possibility	NN
39142	1324	3	of	of	IN
39142	1324	4	dealing	deal	VBG
39142	1324	5	with	with	IN
39142	1324	6	many	many	JJ
39142	1324	7	problems	problem	NNS
39142	1324	8	relating	relate	VBG
39142	1324	9	to	to	IN
39142	1324	10	the	the	DT
39142	1324	11	distribution	distribution	NN
39142	1324	12	and	and	CC
39142	1324	13	evolution	evolution	NN
39142	1324	14	of	of	IN
39142	1324	15	the	the	DT
39142	1324	16	faintest	faint	JJS
39142	1324	17	stars	star	NNS
39142	1324	18	depends	depend	VBZ
39142	1324	19	upon	upon	IN
39142	1324	20	the	the	DT
39142	1324	21	establishment	establishment	NN
39142	1324	22	of	of	IN
39142	1324	23	photographic	photographic	JJ
39142	1324	24	and	and	CC
39142	1324	25	photovisual	photovisual	JJ
39142	1324	26	magnitude	magnitude	NN
39142	1324	27	scales	scale	NNS
39142	1324	28	.	.	.
39142	1325	1	Below	below	IN
39142	1325	2	the	the	DT
39142	1325	3	twelfth	twelfth	JJ
39142	1325	4	magnitude	magnitude	NN
39142	1325	5	,	,	,
39142	1325	6	the	the	DT
39142	1325	7	only	only	JJ
39142	1325	8	existing	exist	VBG
39142	1325	9	scale	scale	NN
39142	1325	10	of	of	IN
39142	1325	11	standard	standard	JJ
39142	1325	12	visual	visual	JJ
39142	1325	13	or	or	CC
39142	1325	14	photovisual	photovisual	JJ
39142	1325	15	magnitudes	magnitude	NNS
39142	1325	16	is	be	VBZ
39142	1325	17	the	the	DT
39142	1325	18	Mount	Mount	NNP
39142	1325	19	Wilson	Wilson	NNP
39142	1325	20	sequence	sequence	NN
39142	1325	21	,	,	,
39142	1325	22	already	already	RB
39142	1325	23	extended	extend	VBN
39142	1325	24	by	by	IN
39142	1325	25	Seares	seare	NNS
39142	1325	26	to	to	TO
39142	1325	27	magnitude	magnitude	VB
39142	1325	28	17.5	17.5	CD
39142	1325	29	with	with	IN
39142	1325	30	the	the	DT
39142	1325	31	60-inch	60-inch	CD
39142	1325	32	telescope	telescope	NN
39142	1325	33	.	.	.
39142	1326	1	Extension	extension	NN
39142	1326	2	of	of	IN
39142	1326	3	this	this	DT
39142	1326	4	scale	scale	NN
39142	1326	5	to	to	IN
39142	1326	6	even	even	RB
39142	1326	7	fainter	fainter	NN
39142	1326	8	magnitudes	magnitude	NNS
39142	1326	9	,	,	,
39142	1326	10	and	and	CC
39142	1326	11	its	-PRON-	PRP$
39142	1326	12	application	application	NN
39142	1326	13	to	to	IN
39142	1326	14	the	the	DT
39142	1326	15	faintest	faint	JJS
39142	1326	16	stars	star	NNS
39142	1326	17	within	within	IN
39142	1326	18	its	-PRON-	PRP$
39142	1326	19	range	range	NN
39142	1326	20	is	be	VBZ
39142	1326	21	an	an	DT
39142	1326	22	important	important	JJ
39142	1326	23	task	task	NN
39142	1326	24	for	for	IN
39142	1326	25	this	this	DT
39142	1326	26	great	great	JJ
39142	1326	27	telescope	telescope	NN
39142	1326	28	,	,	,
39142	1326	29	as	as	IN
39142	1326	30	it	-PRON-	PRP
39142	1326	31	will	will	MD
39142	1326	32	doubtless	doubtless	RB
39142	1326	33	bring	bring	VB
39142	1326	34	within	within	IN
39142	1326	35	range	range	NN
39142	1326	36	hundreds	hundred	NNS
39142	1326	37	of	of	IN
39142	1326	38	millions	million	NNS
39142	1326	39	of	of	IN
39142	1326	40	stars	star	NNS
39142	1326	41	that	that	WDT
39142	1326	42	are	be	VBP
39142	1326	43	beyond	beyond	IN
39142	1326	44	the	the	DT
39142	1326	45	reach	reach	NN
39142	1326	46	of	of	IN
39142	1326	47	the	the	DT
39142	1326	48	60-inch	60-inch	CD
39142	1326	49	.	.	.
39142	1327	1	The	the	DT
39142	1327	2	giants	giant	NNS
39142	1327	3	among	among	IN
39142	1327	4	them	-PRON-	PRP
39142	1327	5	will	will	MD
39142	1327	6	form	form	VB
39142	1327	7	for	for	IN
39142	1327	8	us	-PRON-	PRP
39142	1327	9	the	the	DT
39142	1327	10	outer	outer	JJ
39142	1327	11	boundary	boundary	NN
39142	1327	12	of	of	IN
39142	1327	13	the	the	DT
39142	1327	14	Galactic	galactic	JJ
39142	1327	15	system	system	NN
39142	1327	16	,	,	,
39142	1327	17	while	while	IN
39142	1327	18	the	the	DT
39142	1327	19	dwarfs	dwarfs	NN
39142	1327	20	will	will	MD
39142	1327	21	be	be	VB
39142	1327	22	of	of	IN
39142	1327	23	almost	almost	RB
39142	1327	24	equal	equal	JJ
39142	1327	25	interest	interest	NN
39142	1327	26	from	from	IN
39142	1327	27	the	the	DT
39142	1327	28	evolutional	evolutional	JJ
39142	1327	29	standpoint	standpoint	NN
39142	1327	30	.	.	.
39142	1328	1	The	the	DT
39142	1328	2	photometric	photometric	JJ
39142	1328	3	program	program	NN
39142	1328	4	of	of	IN
39142	1328	5	the	the	DT
39142	1328	6	100-inch	100-inch	CD
39142	1328	7	,	,	,
39142	1328	8	then	then	RB
39142	1328	9	,	,	,
39142	1328	10	will	will	MD
39142	1328	11	deal	deal	VB
39142	1328	12	with	with	IN
39142	1328	13	such	such	JJ
39142	1328	14	questions	question	NNS
39142	1328	15	as	as	IN
39142	1328	16	the	the	DT
39142	1328	17	condensation	condensation	NN
39142	1328	18	of	of	IN
39142	1328	19	the	the	DT
39142	1328	20	fainter	fainter	NN
39142	1328	21	stars	star	NNS
39142	1328	22	toward	toward	IN
39142	1328	23	the	the	DT
39142	1328	24	Galactic	galactic	JJ
39142	1328	25	plane	plane	NN
39142	1328	26	,	,	,
39142	1328	27	the	the	DT
39142	1328	28	color	color	NN
39142	1328	29	of	of	IN
39142	1328	30	the	the	DT
39142	1328	31	most	most	RBS
39142	1328	32	distant	distant	JJ
39142	1328	33	stars	star	NNS
39142	1328	34	,	,	,
39142	1328	35	and	and	CC
39142	1328	36	the	the	DT
39142	1328	37	final	final	JJ
39142	1328	38	settlement	settlement	NN
39142	1328	39	of	of	IN
39142	1328	40	the	the	DT
39142	1328	41	long	long	JJ
39142	1328	42	inquiry	inquiry	NN
39142	1328	43	regarding	regard	VBG
39142	1328	44	the	the	DT
39142	1328	45	possible	possible	JJ
39142	1328	46	absorption	absorption	NN
39142	1328	47	of	of	IN
39142	1328	48	light	light	NN
39142	1328	49	in	in	IN
39142	1328	50	space	space	NN
39142	1328	51	.	.	.
39142	1329	1	[	[	-LRB-
39142	1329	2	Illustration	illustration	NN
39142	1329	3	:	:	:
39142	1329	4	GREAT	great	JJ
39142	1329	5	SUN	SUN	NNP
39142	1329	6	-	-	HYPH
39142	1329	7	SPOT	SPOT	NNP
39142	1329	8	GROUP	GROUP	NNP
39142	1329	9	,	,	,
39142	1329	10	AUGUST	AUGUST	NNP
39142	1329	11	8	8	CD
39142	1329	12	,	,	,
39142	1329	13	1917	1917	CD
39142	1329	14	.	.	.
39142	1330	1	The	the	DT
39142	1330	2	disk	disk	NN
39142	1330	3	in	in	IN
39142	1330	4	the	the	DT
39142	1330	5	lower	low	JJR
39142	1330	6	left	left	JJ
39142	1330	7	corner	corner	NN
39142	1330	8	represents	represent	VBZ
39142	1330	9	the	the	DT
39142	1330	10	comparative	comparative	JJ
39142	1330	11	size	size	NN
39142	1330	12	of	of	IN
39142	1330	13	the	the	DT
39142	1330	14	earth	earth	NN
39142	1330	15	.	.	.
39142	1331	1	(	(	-LRB-
39142	1331	2	_	_	NNP
39142	1331	3	Photo	Photo	NNP
39142	1331	4	,	,	,
39142	1331	5	Mt.	Mount	NNP
39142	1332	1	Wilson	Wilson	NNP
39142	1332	2	Solar	Solar	NNP
39142	1332	3	Observatory	Observatory	NNP
39142	1332	4	.	.	.
39142	1332	5	_	_	NNP
39142	1332	6	)	)	-RRB-
39142	1332	7	]	]	-RRB-
39142	1332	8	[	[	-LRB-
39142	1332	9	Illustration	illustration	NN
39142	1332	10	:	:	:
39142	1332	11	THE	the	DT
39142	1332	12	SUN	SUN	NNP
39142	1332	13	'S	'S	NNP
39142	1332	14	DISK	disk	NN
39142	1332	15	.	.	.
39142	1333	1	The	the	DT
39142	1333	2	view	view	NN
39142	1333	3	shows	show	VBZ
39142	1333	4	the	the	DT
39142	1333	5	"	"	``
39142	1333	6	rice	rice	NN
39142	1333	7	grain	grain	NN
39142	1333	8	"	"	''
39142	1333	9	structure	structure	NN
39142	1333	10	of	of	IN
39142	1333	11	the	the	DT
39142	1333	12	photosphere	photosphere	JJ
39142	1333	13	and	and	CC
39142	1333	14	brilliant	brilliant	JJ
39142	1333	15	calcium	calcium	NN
39142	1333	16	flocculi	flocculi	NN
39142	1333	17	.	.	.
39142	1334	1	(	(	-LRB-
39142	1334	2	_	_	NNP
39142	1334	3	Photo	Photo	NNP
39142	1334	4	,	,	,
39142	1334	5	Yerkes	Yerkes	NNP
39142	1334	6	Observatory	Observatory	NNP
39142	1334	7	.	.	.
39142	1334	8	_	_	NNP
39142	1334	9	)	)	-RRB-
39142	1334	10	]	]	-RRB-
39142	1334	11	[	[	-LRB-
39142	1334	12	Illustration	illustration	NN
39142	1334	13	:	:	:
39142	1334	14	THE	the	DT
39142	1334	15	LUNAR	LUNAR	NNP
39142	1334	16	SURFACE	surface	NN
39142	1334	17	VISIBLE	visible	NN
39142	1334	18	DURING	during	IN
39142	1334	19	A	a	DT
39142	1334	20	TOTAL	total	NN
39142	1334	21	ECLIPSE	ECLIPSE	NNS
39142	1334	22	OF	of	IN
39142	1334	23	THE	the	DT
39142	1334	24	MOON	MOON	NNP
39142	1334	25	,	,	,
39142	1334	26	FEBRUARY	FEBRUARY	NNP
39142	1334	27	8	8	CD
39142	1334	28	,	,	,
39142	1334	29	1906	1906	CD
39142	1334	30	.	.	.
39142	1335	1	(	(	-LRB-
39142	1335	2	_	_	NNP
39142	1335	3	Photo	Photo	NNP
39142	1335	4	,	,	,
39142	1335	5	Yerkes	Yerkes	NNP
39142	1335	6	Observatory	Observatory	NNP
39142	1335	7	.	.	.
39142	1335	8	_	_	NNP
39142	1335	9	)	)	-RRB-
39142	1335	10	]	]	-RRB-
39142	1335	11	Another	another	DT
39142	1335	12	research	research	NN
39142	1335	13	of	of	IN
39142	1335	14	exceptional	exceptional	JJ
39142	1335	15	promise	promise	NN
39142	1335	16	will	will	MD
39142	1335	17	be	be	VB
39142	1335	18	undertaken	undertake	VBN
39142	1335	19	,	,	,
39142	1335	20	which	which	WDT
39142	1335	21	is	be	VBZ
39142	1335	22	of	of	IN
39142	1335	23	great	great	JJ
39142	1335	24	importance	importance	NN
39142	1335	25	in	in	IN
39142	1335	26	a	a	DT
39142	1335	27	general	general	JJ
39142	1335	28	study	study	NN
39142	1335	29	of	of	IN
39142	1335	30	stellar	stellar	JJ
39142	1335	31	evolution	evolution	NN
39142	1335	32	;	;	:
39142	1335	33	and	and	CC
39142	1335	34	that	that	DT
39142	1335	35	is	be	VBZ
39142	1335	36	the	the	DT
39142	1335	37	determination	determination	NN
39142	1335	38	of	of	IN
39142	1335	39	the	the	DT
39142	1335	40	spectral	spectral	JJ
39142	1335	41	-	-	HYPH
39142	1335	42	energy	energy	NN
39142	1335	43	curves	curve	NNS
39142	1335	44	of	of	IN
39142	1335	45	stars	star	NNS
39142	1335	46	of	of	IN
39142	1335	47	various	various	JJ
39142	1335	48	classes	class	NNS
39142	1335	49	,	,	,
39142	1335	50	for	for	IN
39142	1335	51	the	the	DT
39142	1335	52	purpose	purpose	NN
39142	1335	53	of	of	IN
39142	1335	54	measuring	measure	VBG
39142	1335	55	their	-PRON-	PRP$
39142	1335	56	surface	surface	NN
39142	1335	57	temperatures	temperature	NNS
39142	1335	58	.	.	.
39142	1336	1	A	a	DT
39142	1336	2	very	very	RB
39142	1336	3	few	few	JJ
39142	1336	4	of	of	IN
39142	1336	5	the	the	DT
39142	1336	6	nebulæ	nebulæ	NNS
39142	1336	7	are	be	VBP
39142	1336	8	found	find	VBN
39142	1336	9	to	to	TO
39142	1336	10	be	be	VB
39142	1336	11	variable	variable	JJ
39142	1336	12	,	,	,
39142	1336	13	and	and	CC
39142	1336	14	their	-PRON-	PRP$
39142	1336	15	peculiarities	peculiarity	NNS
39142	1336	16	need	need	VBP
39142	1336	17	investigation	investigation	NN
39142	1336	18	,	,	,
39142	1336	19	also	also	RB
39142	1336	20	special	special	JJ
39142	1336	21	problems	problem	NNS
39142	1336	22	of	of	IN
39142	1336	23	variable	variable	JJ
39142	1336	24	stars	star	NNS
39142	1336	25	and	and	CC
39142	1336	26	temporary	temporary	JJ
39142	1336	27	stars	star	NNS
39142	1336	28	,	,	,
39142	1336	29	and	and	CC
39142	1336	30	the	the	DT
39142	1336	31	spectra	spectra	NN
39142	1336	32	of	of	IN
39142	1336	33	the	the	DT
39142	1336	34	components	component	NNS
39142	1336	35	of	of	IN
39142	1336	36	close	close	JJ
39142	1336	37	double	double	JJ
39142	1336	38	stars	star	NNS
39142	1336	39	which	which	WDT
39142	1336	40	are	be	VBP
39142	1336	41	beyond	beyond	IN
39142	1336	42	the	the	DT
39142	1336	43	power	power	NN
39142	1336	44	of	of	IN
39142	1336	45	all	all	DT
39142	1336	46	other	other	JJ
39142	1336	47	instruments	instrument	NNS
39142	1336	48	to	to	TO
39142	1336	49	photograph	photograph	VB
39142	1336	50	.	.	.
39142	1337	1	Such	such	PDT
39142	1337	2	a	a	DT
39142	1337	3	program	program	NN
39142	1337	4	of	of	IN
39142	1337	5	research	research	NN
39142	1337	6	conveys	convey	VBZ
39142	1337	7	an	an	DT
39142	1337	8	excellent	excellent	JJ
39142	1337	9	idea	idea	NN
39142	1337	10	of	of	IN
39142	1337	11	many	many	JJ
39142	1337	12	of	of	IN
39142	1337	13	the	the	DT
39142	1337	14	great	great	JJ
39142	1337	15	problems	problem	NNS
39142	1337	16	that	that	WDT
39142	1337	17	are	be	VBP
39142	1337	18	under	under	IN
39142	1337	19	investigation	investigation	NN
39142	1337	20	by	by	IN
39142	1337	21	astronomers	astronomer	NNS
39142	1337	22	to	to	IN
39142	1337	23	-	-	HYPH
39142	1337	24	day	day	NN
39142	1337	25	,	,	,
39142	1337	26	and	and	CC
39142	1337	27	gives	give	VBZ
39142	1337	28	some	some	DT
39142	1337	29	notion	notion	NN
39142	1337	30	of	of	IN
39142	1337	31	the	the	DT
39142	1337	32	instrumental	instrumental	JJ
39142	1337	33	means	mean	NNS
39142	1337	34	requisite	requisite	JJ
39142	1337	35	in	in	IN
39142	1337	36	executing	execute	VBG
39142	1337	37	comprehensive	comprehensive	JJ
39142	1337	38	plans	plan	NNS
39142	1337	39	of	of	IN
39142	1337	40	this	this	DT
39142	1337	41	character	character	NN
39142	1337	42	.	.	.
39142	1338	1	It	-PRON-	PRP
39142	1338	2	will	will	MD
39142	1338	3	not	not	RB
39142	1338	4	escape	escape	VB
39142	1338	5	notice	notice	NN
39142	1338	6	that	that	IN
39142	1338	7	the	the	DT
39142	1338	8	climax	climax	NN
39142	1338	9	of	of	IN
39142	1338	10	instrumental	instrumental	JJ
39142	1338	11	development	development	NN
39142	1338	12	attained	attain	VBN
39142	1338	13	at	at	IN
39142	1338	14	Mount	Mount	NNP
39142	1338	15	Wilson	Wilson	NNP
39142	1338	16	has	have	VBZ
39142	1338	17	only	only	RB
39142	1338	18	been	be	VBN
39142	1338	19	made	make	VBN
39142	1338	20	possible	possible	JJ
39142	1338	21	by	by	IN
39142	1338	22	an	an	DT
39142	1338	23	unbroken	unbroken	JJ
39142	1338	24	chain	chain	NN
39142	1338	25	of	of	IN
39142	1338	26	progress	progress	NN
39142	1338	27	,	,	,
39142	1338	28	link	link	NN
39142	1338	29	by	by	IN
39142	1338	30	link	link	NN
39142	1338	31	,	,	,
39142	1338	32	each	each	DT
39142	1338	33	antecedent	antecedent	NN
39142	1338	34	link	link	NN
39142	1338	35	being	be	VBG
39142	1338	36	necessary	necessary	JJ
39142	1338	37	to	to	IN
39142	1338	38	the	the	DT
39142	1338	39	successful	successful	JJ
39142	1338	40	forging	forging	NN
39142	1338	41	of	of	IN
39142	1338	42	its	-PRON-	PRP$
39142	1338	43	following	follow	VBG
39142	1338	44	one	one	CD
39142	1338	45	.	.	.
39142	1339	1	In	in	IN
39142	1339	2	very	very	RB
39142	1339	3	large	large	JJ
39142	1339	4	part	part	NN
39142	1339	5	,	,	,
39142	1339	6	and	and	CC
39142	1339	7	certainly	certainly	RB
39142	1339	8	indispensable	indispensable	JJ
39142	1339	9	to	to	IN
39142	1339	10	these	these	DT
39142	1339	11	instrumental	instrumental	JJ
39142	1339	12	advances	advance	NNS
39142	1339	13	,	,	,
39142	1339	14	has	have	VBZ
39142	1339	15	the	the	DT
39142	1339	16	art	art	NN
39142	1339	17	of	of	IN
39142	1339	18	working	work	VBG
39142	1339	19	in	in	IN
39142	1339	20	glass	glass	NN
39142	1339	21	and	and	CC
39142	1339	22	metals	metal	NNS
39142	1339	23	been	be	VBN
39142	1339	24	the	the	DT
39142	1339	25	mainstay	mainstay	NN
39142	1339	26	of	of	IN
39142	1339	27	research	research	NN
39142	1339	28	.	.	.
39142	1340	1	As	as	IN
39142	1340	2	we	-PRON-	PRP
39142	1340	3	review	review	VBP
39142	1340	4	the	the	DT
39142	1340	5	history	history	NN
39142	1340	6	of	of	IN
39142	1340	7	astronomical	astronomical	JJ
39142	1340	8	progress	progress	NN
39142	1340	9	,	,	,
39142	1340	10	from	from	IN
39142	1340	11	Galileo	Galileo	NNP
39142	1340	12	's	's	POS
39142	1340	13	time	time	NN
39142	1340	14	to	to	IN
39142	1340	15	our	-PRON-	PRP$
39142	1340	16	own	own	JJ
39142	1340	17	,	,	,
39142	1340	18	the	the	DT
39142	1340	19	consummate	consummate	NN
39142	1340	20	genius	genius	NN
39142	1340	21	of	of	IN
39142	1340	22	the	the	DT
39142	1340	23	artisan	artisan	NNP
39142	1340	24	and	and	CC
39142	1340	25	his	-PRON-	PRP$
39142	1340	26	deft	deft	NN
39142	1340	27	handiwork	handiwork	NN
39142	1340	28	compel	compel	VBP
39142	1340	29	our	-PRON-	PRP$
39142	1340	30	admiration	admiration	NN
39142	1340	31	almost	almost	RB
39142	1340	32	equally	equally	RB
39142	1340	33	with	with	IN
39142	1340	34	the	the	DT
39142	1340	35	keen	keen	JJ
39142	1340	36	intelligence	intelligence	NN
39142	1340	37	of	of	IN
39142	1340	38	the	the	DT
39142	1340	39	astronomer	astronomer	NN
39142	1340	40	who	who	WP
39142	1340	41	uses	use	VBZ
39142	1340	42	these	these	DT
39142	1340	43	powerful	powerful	JJ
39142	1340	44	engines	engine	NNS
39142	1340	45	of	of	IN
39142	1340	46	his	-PRON-	PRP$
39142	1340	47	own	own	JJ
39142	1340	48	devising	devise	VBG
39142	1340	49	to	to	TO
39142	1340	50	wrest	wrest	VB
39142	1340	51	the	the	DT
39142	1340	52	secrets	secret	NNS
39142	1340	53	of	of	IN
39142	1340	54	nature	nature	NN
39142	1340	55	from	from	IN
39142	1340	56	the	the	DT
39142	1340	57	heavens	heavens	NNPS
39142	1340	58	.	.	.
39142	1341	1	CHAPTER	chapter	NN
39142	1341	2	XXIV	XXIV	NNP
39142	1341	3	OUR	our	PRP$
39142	1341	4	SOLAR	solar	NN
39142	1341	5	SYSTEM	system	NN
39142	1341	6	Now	now	RB
39142	1341	7	let	let	VB
39142	1341	8	us	-PRON-	PRP
39142	1341	9	go	go	VB
39142	1341	10	upward	upward	RB
39142	1341	11	in	in	IN
39142	1341	12	imagination	imagination	NN
39142	1341	13	,	,	,
39142	1341	14	far	far	RB
39142	1341	15	,	,	,
39142	1341	16	far	far	RB
39142	1341	17	beyond	beyond	IN
39142	1341	18	the	the	DT
39142	1341	19	tops	top	NNS
39142	1341	20	of	of	IN
39142	1341	21	the	the	DT
39142	1341	22	highest	high	JJS
39142	1341	23	mountains	mountain	NNS
39142	1341	24	,	,	,
39142	1341	25	beyond	beyond	IN
39142	1341	26	the	the	DT
39142	1341	27	moon	moon	NN
39142	1341	28	and	and	CC
39142	1341	29	sun	sun	NN
39142	1341	30	,	,	,
39142	1341	31	and	and	CC
39142	1341	32	outward	outward	RB
39142	1341	33	in	in	IN
39142	1341	34	space	space	NN
39142	1341	35	until	until	IN
39142	1341	36	we	-PRON-	PRP
39142	1341	37	reach	reach	VBP
39142	1341	38	a	a	DT
39142	1341	39	point	point	NN
39142	1341	40	in	in	IN
39142	1341	41	the	the	DT
39142	1341	42	northern	northern	JJ
39142	1341	43	heavens	heaven	NNS
39142	1341	44	millions	million	NNS
39142	1341	45	and	and	CC
39142	1341	46	millions	million	NNS
39142	1341	47	of	of	IN
39142	1341	48	miles	mile	NNS
39142	1341	49	away	away	RB
39142	1341	50	,	,	,
39142	1341	51	directly	directly	RB
39142	1341	52	above	above	RB
39142	1341	53	and	and	CC
39142	1341	54	equally	equally	RB
39142	1341	55	distant	distant	JJ
39142	1341	56	from	from	IN
39142	1341	57	all	all	DT
39142	1341	58	points	point	NNS
39142	1341	59	in	in	IN
39142	1341	60	the	the	DT
39142	1341	61	ecliptic	ecliptic	JJ
39142	1341	62	,	,	,
39142	1341	63	or	or	CC
39142	1341	64	path	path	NN
39142	1341	65	in	in	IN
39142	1341	66	which	which	WDT
39142	1341	67	our	-PRON-	PRP$
39142	1341	68	earth	earth	NN
39142	1341	69	travels	travel	VBZ
39142	1341	70	yearly	yearly	RB
39142	1341	71	round	round	IN
39142	1341	72	the	the	DT
39142	1341	73	sun	sun	NN
39142	1341	74	.	.	.
39142	1342	1	Then	then	RB
39142	1342	2	we	-PRON-	PRP
39142	1342	3	should	should	MD
39142	1342	4	have	have	VB
39142	1342	5	that	that	DT
39142	1342	6	sort	sort	NN
39142	1342	7	of	of	IN
39142	1342	8	comprehensive	comprehensive	JJ
39142	1342	9	view	view	NN
39142	1342	10	of	of	IN
39142	1342	11	the	the	DT
39142	1342	12	solar	solar	JJ
39142	1342	13	system	system	NN
39142	1342	14	which	which	WDT
39142	1342	15	is	be	VBZ
39142	1342	16	necessary	necessary	JJ
39142	1342	17	if	if	IN
39142	1342	18	we	-PRON-	PRP
39142	1342	19	are	be	VBP
39142	1342	20	to	to	TO
39142	1342	21	visualize	visualize	VB
39142	1342	22	as	as	IN
39142	1342	23	a	a	DT
39142	1342	24	whole	whole	NN
39142	1342	25	the	the	DT
39142	1342	26	working	working	NN
39142	1342	27	of	of	IN
39142	1342	28	the	the	DT
39142	1342	29	vast	vast	JJ
39142	1342	30	machine	machine	NN
39142	1342	31	,	,	,
39142	1342	32	and	and	CC
39142	1342	33	the	the	DT
39142	1342	34	motions	motion	NNS
39142	1342	35	,	,	,
39142	1342	36	sizes	size	NNS
39142	1342	37	,	,	,
39142	1342	38	and	and	CC
39142	1342	39	distances	distance	NNS
39142	1342	40	of	of	IN
39142	1342	41	all	all	PDT
39142	1342	42	the	the	DT
39142	1342	43	bodies	body	NNS
39142	1342	44	that	that	WDT
39142	1342	45	comprise	comprise	VBP
39142	1342	46	it	-PRON-	PRP
39142	1342	47	.	.	.
39142	1343	1	Of	of	IN
39142	1343	2	such	such	JJ
39142	1343	3	stupendous	stupendous	JJ
39142	1343	4	mechanism	mechanism	NN
39142	1343	5	our	-PRON-	PRP$
39142	1343	6	earth	earth	NN
39142	1343	7	is	be	VBZ
39142	1343	8	part	part	NN
39142	1343	9	.	.	.
39142	1344	1	Or	or	CC
39142	1344	2	in	in	IN
39142	1344	3	lieu	lieu	NN
39142	1344	4	of	of	IN
39142	1344	5	this	this	DT
39142	1344	6	,	,	,
39142	1344	7	let	let	VB
39142	1344	8	us	-PRON-	PRP
39142	1344	9	attempt	attempt	VB
39142	1344	10	to	to	TO
39142	1344	11	get	get	VB
39142	1344	12	in	in	IN
39142	1344	13	mind	mind	NN
39142	1344	14	a	a	DT
39142	1344	15	picture	picture	NN
39142	1344	16	of	of	IN
39142	1344	17	the	the	DT
39142	1344	18	solar	solar	JJ
39142	1344	19	system	system	NN
39142	1344	20	by	by	IN
39142	1344	21	means	mean	NNS
39142	1344	22	of	of	IN
39142	1344	23	Sir	Sir	NNP
39142	1344	24	William	William	NNP
39142	1344	25	Herschel	Herschel	NNP
39142	1344	26	's	's	POS
39142	1344	27	apt	apt	JJ
39142	1344	28	illustration	illustration	NN
39142	1344	29	:	:	:
39142	1344	30	"	"	``
39142	1344	31	Choose	choose	VB
39142	1344	32	any	any	DT
39142	1344	33	well	well	RB
39142	1344	34	-	-	HYPH
39142	1344	35	leveled	level	VBN
39142	1344	36	field	field	NN
39142	1344	37	.	.	.
39142	1345	1	On	on	IN
39142	1345	2	it	-PRON-	PRP
39142	1345	3	place	place	VB
39142	1345	4	a	a	DT
39142	1345	5	globe	globe	NN
39142	1345	6	two	two	CD
39142	1345	7	feet	foot	NNS
39142	1345	8	in	in	IN
39142	1345	9	diameter	diameter	NN
39142	1345	10	.	.	.
39142	1346	1	This	this	DT
39142	1346	2	will	will	MD
39142	1346	3	represent	represent	VB
39142	1346	4	the	the	DT
39142	1346	5	sun	sun	NN
39142	1346	6	;	;	:
39142	1346	7	Mercury	Mercury	NNP
39142	1346	8	will	will	MD
39142	1346	9	be	be	VB
39142	1346	10	represented	represent	VBN
39142	1346	11	by	by	IN
39142	1346	12	a	a	DT
39142	1346	13	grain	grain	NN
39142	1346	14	of	of	IN
39142	1346	15	mustard	mustard	NN
39142	1346	16	seed	seed	NN
39142	1346	17	on	on	IN
39142	1346	18	the	the	DT
39142	1346	19	circumference	circumference	NN
39142	1346	20	of	of	IN
39142	1346	21	a	a	DT
39142	1346	22	circle	circle	NN
39142	1346	23	164	164	CD
39142	1346	24	feet	foot	NNS
39142	1346	25	in	in	IN
39142	1346	26	diameter	diameter	NN
39142	1346	27	for	for	IN
39142	1346	28	its	-PRON-	PRP$
39142	1346	29	orbit	orbit	NN
39142	1346	30	;	;	:
39142	1346	31	Venus	Venus	NNP
39142	1346	32	,	,	,
39142	1346	33	a	a	DT
39142	1346	34	pea	pea	NN
39142	1346	35	on	on	IN
39142	1346	36	a	a	DT
39142	1346	37	circle	circle	NN
39142	1346	38	of	of	IN
39142	1346	39	284	284	CD
39142	1346	40	feet	foot	NNS
39142	1346	41	in	in	IN
39142	1346	42	diameter	diameter	NN
39142	1346	43	;	;	:
39142	1346	44	the	the	DT
39142	1346	45	Earth	Earth	NNP
39142	1346	46	also	also	RB
39142	1346	47	a	a	DT
39142	1346	48	pea	pea	NN
39142	1346	49	,	,	,
39142	1346	50	on	on	IN
39142	1346	51	a	a	DT
39142	1346	52	circle	circle	NN
39142	1346	53	of	of	IN
39142	1346	54	430	430	CD
39142	1346	55	feet	foot	NNS
39142	1346	56	;	;	:
39142	1346	57	Mars	Mars	NNP
39142	1346	58	a	a	DT
39142	1346	59	rather	rather	RB
39142	1346	60	larger	large	JJR
39142	1346	61	pin	pin	NN
39142	1346	62	's	's	POS
39142	1346	63	head	head	NN
39142	1346	64	on	on	IN
39142	1346	65	a	a	DT
39142	1346	66	circle	circle	NN
39142	1346	67	of	of	IN
39142	1346	68	654	654	CD
39142	1346	69	feet	foot	NNS
39142	1346	70	;	;	:
39142	1346	71	the	the	DT
39142	1346	72	asteroids	asteroid	NNS
39142	1346	73	,	,	,
39142	1346	74	grains	grain	NNS
39142	1346	75	of	of	IN
39142	1346	76	sand	sand	NN
39142	1346	77	in	in	IN
39142	1346	78	orbits	orbit	NNS
39142	1346	79	of	of	IN
39142	1346	80	1,000	1,000	CD
39142	1346	81	to	to	TO
39142	1346	82	1,200	1,200	CD
39142	1346	83	feet	foot	NNS
39142	1346	84	;	;	:
39142	1346	85	Jupiter	Jupiter	NNP
39142	1346	86	,	,	,
39142	1346	87	a	a	DT
39142	1346	88	moderate	moderate	JJ
39142	1346	89	sized	sized	JJ
39142	1346	90	orange	orange	NN
39142	1346	91	in	in	IN
39142	1346	92	a	a	DT
39142	1346	93	circle	circle	NN
39142	1346	94	of	of	IN
39142	1346	95	nearly	nearly	RB
39142	1346	96	half	half	PDT
39142	1346	97	a	a	DT
39142	1346	98	mile	mile	NN
39142	1346	99	across	across	RB
39142	1346	100	;	;	:
39142	1346	101	Saturn	Saturn	NNP
39142	1346	102	,	,	,
39142	1346	103	a	a	DT
39142	1346	104	small	small	JJ
39142	1346	105	orange	orange	NN
39142	1346	106	on	on	IN
39142	1346	107	a	a	DT
39142	1346	108	circle	circle	NN
39142	1346	109	of	of	IN
39142	1346	110	four	four	CD
39142	1346	111	-	-	HYPH
39142	1346	112	fifths	fifth	NNS
39142	1346	113	of	of	IN
39142	1346	114	a	a	DT
39142	1346	115	mile	mile	NN
39142	1346	116	;	;	:
39142	1346	117	Uranus	uranus	NN
39142	1346	118	,	,	,
39142	1346	119	a	a	DT
39142	1346	120	full	full	JJ
39142	1346	121	-	-	HYPH
39142	1346	122	sized	sized	JJ
39142	1346	123	cherry	cherry	NN
39142	1346	124	or	or	CC
39142	1346	125	small	small	JJ
39142	1346	126	plum	plum	NN
39142	1346	127	upon	upon	IN
39142	1346	128	the	the	DT
39142	1346	129	circumference	circumference	NN
39142	1346	130	of	of	IN
39142	1346	131	a	a	DT
39142	1346	132	circle	circle	NN
39142	1346	133	more	more	JJR
39142	1346	134	than	than	IN
39142	1346	135	a	a	DT
39142	1346	136	mile	mile	NN
39142	1346	137	and	and	CC
39142	1346	138	a	a	DT
39142	1346	139	half	half	NN
39142	1346	140	;	;	:
39142	1346	141	and	and	CC
39142	1346	142	finally	finally	RB
39142	1346	143	Neptune	Neptune	NNP
39142	1346	144	,	,	,
39142	1346	145	a	a	DT
39142	1346	146	good	good	JJ
39142	1346	147	-	-	HYPH
39142	1346	148	sized	sized	JJ
39142	1346	149	plum	plum	NN
39142	1346	150	on	on	IN
39142	1346	151	a	a	DT
39142	1346	152	circle	circle	NN
39142	1346	153	about	about	RB
39142	1346	154	two	two	CD
39142	1346	155	miles	mile	NNS
39142	1346	156	and	and	CC
39142	1346	157	a	a	DT
39142	1346	158	half	half	NN
39142	1346	159	in	in	IN
39142	1346	160	diameter	diameter	NN
39142	1346	161	....	....	.
39142	1346	162	To	to	TO
39142	1346	163	imitate	imitate	VB
39142	1346	164	the	the	DT
39142	1346	165	motions	motion	NNS
39142	1346	166	of	of	IN
39142	1346	167	the	the	DT
39142	1346	168	planets	planet	NNS
39142	1346	169	in	in	IN
39142	1346	170	the	the	DT
39142	1346	171	above	above	RB
39142	1346	172	mentioned	mention	VBN
39142	1346	173	orbits	orbit	NNS
39142	1346	174	,	,	,
39142	1346	175	Mercury	Mercury	NNP
39142	1346	176	must	must	MD
39142	1346	177	describe	describe	VB
39142	1346	178	its	-PRON-	PRP$
39142	1346	179	own	own	JJ
39142	1346	180	diameter	diameter	NN
39142	1346	181	in	in	IN
39142	1346	182	41	41	CD
39142	1346	183	seconds	second	NNS
39142	1346	184	;	;	:
39142	1346	185	Venus	Venus	NNP
39142	1346	186	in	in	IN
39142	1346	187	4	4	CD
39142	1346	188	minutes	minute	NNS
39142	1346	189	,	,	,
39142	1346	190	14	14	CD
39142	1346	191	seconds	second	NNS
39142	1346	192	;	;	:
39142	1346	193	the	the	DT
39142	1346	194	Earth	Earth	NNP
39142	1346	195	in	in	IN
39142	1346	196	7	7	CD
39142	1346	197	minutes	minute	NNS
39142	1346	198	;	;	:
39142	1346	199	Mars	Mars	NNP
39142	1346	200	in	in	IN
39142	1346	201	4	4	CD
39142	1346	202	minutes	minute	NNS
39142	1346	203	48	48	CD
39142	1346	204	seconds	second	NNS
39142	1346	205	;	;	:
39142	1346	206	Jupiter	Jupiter	NNP
39142	1346	207	in	in	IN
39142	1346	208	2	2	CD
39142	1346	209	minutes	minute	NNS
39142	1346	210	56	56	CD
39142	1346	211	seconds	second	NNS
39142	1346	212	;	;	:
39142	1346	213	Saturn	Saturn	NNP
39142	1346	214	in	in	IN
39142	1346	215	3	3	CD
39142	1346	216	minutes	minute	NNS
39142	1346	217	13	13	CD
39142	1346	218	seconds	second	NNS
39142	1346	219	;	;	:
39142	1346	220	Uranus	uranus	NN
39142	1346	221	in	in	IN
39142	1346	222	2	2	CD
39142	1346	223	minutes	minute	NNS
39142	1346	224	16	16	CD
39142	1346	225	seconds	second	NNS
39142	1346	226	;	;	:
39142	1346	227	and	and	CC
39142	1346	228	Neptune	Neptune	NNP
39142	1346	229	in	in	IN
39142	1346	230	3	3	CD
39142	1346	231	minutes	minute	NNS
39142	1346	232	30	30	CD
39142	1346	233	seconds	second	NNS
39142	1346	234	.	.	.
39142	1346	235	"	"	''
39142	1347	1	Now	now	RB
39142	1347	2	,	,	,
39142	1347	3	let	let	VB
39142	1347	4	us	-PRON-	PRP
39142	1347	5	look	look	VB
39142	1347	6	earthward	earthward	NN
39142	1347	7	from	from	IN
39142	1347	8	our	-PRON-	PRP$
39142	1347	9	imaginary	imaginary	JJ
39142	1347	10	station	station	NN
39142	1347	11	near	near	IN
39142	1347	12	the	the	DT
39142	1347	13	north	north	NNP
39142	1347	14	pole	pole	NNP
39142	1347	15	of	of	IN
39142	1347	16	the	the	DT
39142	1347	17	ecliptic	ecliptic	NN
39142	1347	18	.	.	.
39142	1348	1	All	all	PDT
39142	1348	2	these	these	DT
39142	1348	3	planetary	planetary	JJ
39142	1348	4	bodies	body	NNS
39142	1348	5	would	would	MD
39142	1348	6	be	be	VB
39142	1348	7	seen	see	VBN
39142	1348	8	to	to	TO
39142	1348	9	be	be	VB
39142	1348	10	traveling	travel	VBG
39142	1348	11	eastward	eastward	RB
39142	1348	12	round	round	IN
39142	1348	13	the	the	DT
39142	1348	14	sun	sun	NN
39142	1348	15	,	,	,
39142	1348	16	that	that	RB
39142	1348	17	is	is	RB
39142	1348	18	,	,	,
39142	1348	19	in	in	IN
39142	1348	20	a	a	DT
39142	1348	21	counter	counter	NN
39142	1348	22	-	-	JJ
39142	1348	23	clockwise	clockwise	JJ
39142	1348	24	direction	direction	NN
39142	1348	25	,	,	,
39142	1348	26	or	or	CC
39142	1348	27	contrary	contrary	RB
39142	1348	28	to	to	IN
39142	1348	29	the	the	DT
39142	1348	30	motions	motion	NNS
39142	1348	31	of	of	IN
39142	1348	32	the	the	DT
39142	1348	33	hands	hand	NNS
39142	1348	34	of	of	IN
39142	1348	35	a	a	DT
39142	1348	36	timepiece	timepiece	NN
39142	1348	37	.	.	.
39142	1349	1	Their	-PRON-	PRP$
39142	1349	2	orbits	orbit	NNS
39142	1349	3	or	or	CC
39142	1349	4	paths	path	NNS
39142	1349	5	of	of	IN
39142	1349	6	motion	motion	NN
39142	1349	7	are	be	VBP
39142	1349	8	very	very	RB
39142	1349	9	nearly	nearly	RB
39142	1349	10	circular	circular	JJ
39142	1349	11	,	,	,
39142	1349	12	and	and	CC
39142	1349	13	the	the	DT
39142	1349	14	sun	sun	NN
39142	1349	15	is	be	VBZ
39142	1349	16	practically	practically	RB
39142	1349	17	at	at	IN
39142	1349	18	the	the	DT
39142	1349	19	center	center	NN
39142	1349	20	of	of	IN
39142	1349	21	all	all	DT
39142	1349	22	of	of	IN
39142	1349	23	them	-PRON-	PRP
39142	1349	24	except	except	IN
39142	1349	25	Mercury	Mercury	NNP
39142	1349	26	and	and	CC
39142	1349	27	Mars	Mars	NNP
39142	1349	28	;	;	:
39142	1349	29	of	of	IN
39142	1349	30	Venus	Venus	NNP
39142	1349	31	and	and	CC
39142	1349	32	Neptune	Neptune	NNP
39142	1349	33	,	,	,
39142	1349	34	almost	almost	RB
39142	1349	35	at	at	IN
39142	1349	36	the	the	DT
39142	1349	37	absolute	absolute	JJ
39142	1349	38	center	center	NN
39142	1349	39	.	.	.
39142	1350	1	The	the	DT
39142	1350	2	planes	plane	NNS
39142	1350	3	of	of	IN
39142	1350	4	all	all	DT
39142	1350	5	their	-PRON-	PRP$
39142	1350	6	orbits	orbit	NNS
39142	1350	7	are	be	VBP
39142	1350	8	very	very	RB
39142	1350	9	nearly	nearly	RB
39142	1350	10	the	the	DT
39142	1350	11	same	same	JJ
39142	1350	12	as	as	IN
39142	1350	13	that	that	DT
39142	1350	14	of	of	IN
39142	1350	15	the	the	DT
39142	1350	16	ecliptic	ecliptic	JJ
39142	1350	17	,	,	,
39142	1350	18	or	or	CC
39142	1350	19	plane	plane	NN
39142	1350	20	in	in	IN
39142	1350	21	which	which	WDT
39142	1350	22	the	the	DT
39142	1350	23	earth	earth	NN
39142	1350	24	moves	move	VBZ
39142	1350	25	.	.	.
39142	1351	1	These	these	DT
39142	1351	2	and	and	CC
39142	1351	3	many	many	JJ
39142	1351	4	other	other	JJ
39142	1351	5	resemblances	resemblance	NNS
39142	1351	6	and	and	CC
39142	1351	7	characteristics	characteristic	NNS
39142	1351	8	suggest	suggest	VBP
39142	1351	9	a	a	DT
39142	1351	10	uniformity	uniformity	NN
39142	1351	11	of	of	IN
39142	1351	12	origin	origin	NN
39142	1351	13	which	which	WDT
39142	1351	14	comports	comport	VBZ
39142	1351	15	with	with	IN
39142	1351	16	the	the	DT
39142	1351	17	idea	idea	NN
39142	1351	18	of	of	IN
39142	1351	19	a	a	DT
39142	1351	20	family	family	NN
39142	1351	21	,	,	,
39142	1351	22	and	and	CC
39142	1351	23	so	so	RB
39142	1351	24	the	the	DT
39142	1351	25	whole	whole	NN
39142	1351	26	is	be	VBZ
39142	1351	27	spoken	speak	VBN
39142	1351	28	of	of	IN
39142	1351	29	as	as	IN
39142	1351	30	the	the	DT
39142	1351	31	solar	solar	JJ
39142	1351	32	system	system	NN
39142	1351	33	,	,	,
39142	1351	34	or	or	CC
39142	1351	35	the	the	DT
39142	1351	36	sun	sun	NN
39142	1351	37	and	and	CC
39142	1351	38	his	-PRON-	PRP$
39142	1351	39	family	family	NN
39142	1351	40	of	of	IN
39142	1351	41	planets	planet	NNS
39142	1351	42	.	.	.
39142	1352	1	In	in	IN
39142	1352	2	addition	addition	NN
39142	1352	3	to	to	IN
39142	1352	4	the	the	DT
39142	1352	5	nine	nine	CD
39142	1352	6	bodies	body	NNS
39142	1352	7	already	already	RB
39142	1352	8	specified	specify	VBN
39142	1352	9	,	,	,
39142	1352	10	the	the	DT
39142	1352	11	solar	solar	JJ
39142	1352	12	system	system	NN
39142	1352	13	comprises	comprise	VBZ
39142	1352	14	a	a	DT
39142	1352	15	great	great	JJ
39142	1352	16	variety	variety	NN
39142	1352	17	of	of	IN
39142	1352	18	other	other	JJ
39142	1352	19	and	and	CC
39142	1352	20	lesser	less	JJR
39142	1352	21	bodies	body	NNS
39142	1352	22	;	;	:
39142	1352	23	no	no	DT
39142	1352	24	less	less	JJR
39142	1352	25	than	than	IN
39142	1352	26	twenty	twenty	CD
39142	1352	27	-	-	HYPH
39142	1352	28	six	six	CD
39142	1352	29	moons	moon	NNS
39142	1352	30	or	or	CC
39142	1352	31	satellites	satellite	NNS
39142	1352	32	tributary	tributary	JJ
39142	1352	33	to	to	IN
39142	1352	34	the	the	DT
39142	1352	35	planets	planet	NNS
39142	1352	36	and	and	CC
39142	1352	37	traveling	travel	VBG
39142	1352	38	round	round	IN
39142	1352	39	them	-PRON-	PRP
39142	1352	40	in	in	IN
39142	1352	41	various	various	JJ
39142	1352	42	periods	period	NNS
39142	1352	43	as	as	IN
39142	1352	44	the	the	DT
39142	1352	45	moon	moon	NN
39142	1352	46	does	do	VBZ
39142	1352	47	round	round	VB
39142	1352	48	our	-PRON-	PRP$
39142	1352	49	earth	earth	NN
39142	1352	50	.	.	.
39142	1353	1	Then	then	RB
39142	1353	2	between	between	IN
39142	1353	3	the	the	DT
39142	1353	4	orbits	orbit	NNS
39142	1353	5	of	of	IN
39142	1353	6	Mars	Mars	NNP
39142	1353	7	and	and	CC
39142	1353	8	Jupiter	Jupiter	NNP
39142	1353	9	are	be	VBP
39142	1353	10	many	many	JJ
39142	1353	11	thousands	thousand	NNS
39142	1353	12	of	of	IN
39142	1353	13	asteroids	asteroid	NNS
39142	1353	14	,	,	,
39142	1353	15	so	so	RB
39142	1353	16	called	call	VBN
39142	1353	17	,	,	,
39142	1353	18	or	or	CC
39142	1353	19	minor	minor	JJ
39142	1353	20	planets	planet	NNS
39142	1353	21	(	(	-LRB-
39142	1353	22	about	about	RB
39142	1353	23	1,000	1,000	CD
39142	1353	24	of	of	IN
39142	1353	25	them	-PRON-	PRP
39142	1353	26	have	have	VBP
39142	1353	27	actually	actually	RB
39142	1353	28	been	be	VBN
39142	1353	29	discovered	discover	VBN
39142	1353	30	,	,	,
39142	1353	31	and	and	CC
39142	1353	32	their	-PRON-	PRP$
39142	1353	33	paths	path	NNS
39142	1353	34	accurately	accurately	RB
39142	1353	35	calculated	calculate	VBN
39142	1353	36	)	)	-RRB-
39142	1353	37	.	.	.
39142	1354	1	And	and	CC
39142	1354	2	at	at	IN
39142	1354	3	all	all	DT
39142	1354	4	sorts	sort	NNS
39142	1354	5	of	of	IN
39142	1354	6	angles	angle	NNS
39142	1354	7	with	with	IN
39142	1354	8	the	the	DT
39142	1354	9	planetary	planetary	NN
39142	1354	10	orbits	orbit	NNS
39142	1354	11	are	be	VBP
39142	1354	12	the	the	DT
39142	1354	13	paths	path	NNS
39142	1354	14	of	of	IN
39142	1354	15	hundreds	hundred	NNS
39142	1354	16	of	of	IN
39142	1354	17	comets	comet	NNS
39142	1354	18	,	,	,
39142	1354	19	delicate	delicate	JJ
39142	1354	20	filmy	filmy	JJ
39142	1354	21	bodies	body	NNS
39142	1354	22	of	of	IN
39142	1354	23	a	a	DT
39142	1354	24	wholly	wholly	RB
39142	1354	25	different	different	JJ
39142	1354	26	constitution	constitution	NN
39142	1354	27	from	from	IN
39142	1354	28	the	the	DT
39142	1354	29	planets	planet	NNS
39142	1354	30	,	,	,
39142	1354	31	and	and	CC
39142	1354	32	which	which	WDT
39142	1354	33	now	now	RB
39142	1354	34	and	and	CC
39142	1354	35	then	then	RB
39142	1354	36	blaze	blaze	VB
39142	1354	37	forth	forth	RB
39142	1354	38	in	in	IN
39142	1354	39	the	the	DT
39142	1354	40	sky	sky	NN
39142	1354	41	,	,	,
39142	1354	42	their	-PRON-	PRP$
39142	1354	43	tails	tail	NNS
39142	1354	44	appearing	appear	VBG
39142	1354	45	much	much	RB
39142	1354	46	like	like	IN
39142	1354	47	the	the	DT
39142	1354	48	beam	beam	NN
39142	1354	49	of	of	IN
39142	1354	50	a	a	DT
39142	1354	51	searchlight	searchlight	NN
39142	1354	52	,	,	,
39142	1354	53	and	and	CC
39142	1354	54	compelling	compel	VBG
39142	1354	55	for	for	IN
39142	1354	56	the	the	DT
39142	1354	57	time	time	NN
39142	1354	58	the	the	DT
39142	1354	59	attention	attention	NN
39142	1354	60	of	of	IN
39142	1354	61	everybody	everybody	NN
39142	1354	62	.	.	.
39142	1355	1	Connected	connect	VBN
39142	1355	2	with	with	IN
39142	1355	3	the	the	DT
39142	1355	4	comets	comet	NNS
39142	1355	5	and	and	CC
39142	1355	6	doubtless	doubtless	RB
39142	1355	7	originally	originally	RB
39142	1355	8	parts	part	NNS
39142	1355	9	of	of	IN
39142	1355	10	them	-PRON-	PRP
39142	1355	11	are	be	VBP
39142	1355	12	uncounted	uncounted	JJ
39142	1355	13	millions	million	NNS
39142	1355	14	of	of	IN
39142	1355	15	millions	million	NNS
39142	1355	16	of	of	IN
39142	1355	17	meteors	meteor	NNS
39142	1355	18	,	,	,
39142	1355	19	which	which	WDT
39142	1355	20	for	for	IN
39142	1355	21	the	the	DT
39142	1355	22	time	time	NN
39142	1355	23	become	become	VBP
39142	1355	24	a	a	DT
39142	1355	25	part	part	NN
39142	1355	26	of	of	IN
39142	1355	27	the	the	DT
39142	1355	28	solar	solar	JJ
39142	1355	29	system	system	NN
39142	1355	30	,	,	,
39142	1355	31	their	-PRON-	PRP$
39142	1355	32	minute	minute	NN
39142	1355	33	masses	masse	NNS
39142	1355	34	being	be	VBG
39142	1355	35	attracted	attract	VBN
39142	1355	36	to	to	IN
39142	1355	37	the	the	DT
39142	1355	38	planets	planet	NNS
39142	1355	39	,	,	,
39142	1355	40	upon	upon	IN
39142	1355	41	which	which	WDT
39142	1355	42	they	-PRON-	PRP
39142	1355	43	fall	fall	VBP
39142	1355	44	,	,	,
39142	1355	45	those	those	DT
39142	1355	46	hitting	hit	VBG
39142	1355	47	the	the	DT
39142	1355	48	earth	earth	NN
39142	1355	49	being	be	VBG
39142	1355	50	visible	visible	JJ
39142	1355	51	to	to	IN
39142	1355	52	us	-PRON-	PRP
39142	1355	53	as	as	IN
39142	1355	54	familiar	familiar	JJ
39142	1355	55	shooting	shooting	NN
39142	1355	56	stars	star	NNS
39142	1355	57	.	.	.
39142	1356	1	We	-PRON-	PRP
39142	1356	2	next	next	RB
39142	1356	3	follow	follow	VBP
39142	1356	4	the	the	DT
39142	1356	5	story	story	NN
39142	1356	6	of	of	IN
39142	1356	7	astronomy	astronomy	NN
39142	1356	8	through	through	IN
39142	1356	9	the	the	DT
39142	1356	10	solar	solar	JJ
39142	1356	11	system	system	NN
39142	1356	12	,	,	,
39142	1356	13	beginning	begin	VBG
39142	1356	14	with	with	IN
39142	1356	15	the	the	DT
39142	1356	16	sun	sun	NN
39142	1356	17	itself	-PRON-	PRP
39142	1356	18	and	and	CC
39142	1356	19	proceeding	proceed	VBG
39142	1356	20	outward	outward	RB
39142	1356	21	through	through	IN
39142	1356	22	his	-PRON-	PRP$
39142	1356	23	family	family	NN
39142	1356	24	of	of	IN
39142	1356	25	planets	planet	NNS
39142	1356	26	,	,	,
39142	1356	27	now	now	RB
39142	1356	28	much	much	RB
39142	1356	29	more	more	RBR
39142	1356	30	numerous	numerous	JJ
39142	1356	31	and	and	CC
39142	1356	32	vastly	vastly	RB
39142	1356	33	more	more	RBR
39142	1356	34	extended	extended	JJ
39142	1356	35	than	than	IN
39142	1356	36	it	-PRON-	PRP
39142	1356	37	was	be	VBD
39142	1356	38	to	to	IN
39142	1356	39	the	the	DT
39142	1356	40	ancient	ancient	JJ
39142	1356	41	world	world	NN
39142	1356	42	,	,	,
39142	1356	43	or	or	CC
39142	1356	44	indeed	indeed	RB
39142	1356	45	till	till	IN
39142	1356	46	within	within	IN
39142	1356	47	a	a	DT
39142	1356	48	century	century	NN
39142	1356	49	and	and	CC
39142	1356	50	a	a	DT
39142	1356	51	half	half	NN
39142	1356	52	of	of	IN
39142	1356	53	our	-PRON-	PRP$
39142	1356	54	own	own	JJ
39142	1356	55	day	day	NN
39142	1356	56	.	.	.
39142	1357	1	CHAPTER	CHAPTER	NNP
39142	1357	2	XXV	XXV	NNP
39142	1357	3	THE	the	DT
39142	1357	4	SUN	SUN	NNP
39142	1357	5	AND	and	CC
39142	1357	6	OBSERVING	observe	VBG
39142	1357	7	IT	it	NN
39142	1357	8	As	as	IN
39142	1357	9	lord	lord	NN
39142	1357	10	of	of	IN
39142	1357	11	day	day	NN
39142	1357	12	,	,	,
39142	1357	13	king	king	NN
39142	1357	14	of	of	IN
39142	1357	15	the	the	DT
39142	1357	16	heavens	heavens	NNPS
39142	1357	17	,	,	,
39142	1357	18	mankind	mankind	NN
39142	1357	19	in	in	IN
39142	1357	20	the	the	DT
39142	1357	21	ancient	ancient	JJ
39142	1357	22	world	world	NN
39142	1357	23	adored	adore	VBD
39142	1357	24	the	the	DT
39142	1357	25	sun	sun	NN
39142	1357	26	.	.	.
39142	1358	1	By	by	IN
39142	1358	2	their	-PRON-	PRP$
39142	1358	3	researches	research	NNS
39142	1358	4	into	into	IN
39142	1358	5	the	the	DT
39142	1358	6	epoch	epoch	NN
39142	1358	7	of	of	IN
39142	1358	8	the	the	DT
39142	1358	9	Assyrians	Assyrians	NNPS
39142	1358	10	,	,	,
39142	1358	11	Hittites	Hittites	NNPS
39142	1358	12	,	,	,
39142	1358	13	Phoenicians	Phoenicians	NNPS
39142	1358	14	and	and	CC
39142	1358	15	other	other	JJ
39142	1358	16	early	early	JJ
39142	1358	17	peoples	people	NNS
39142	1358	18	now	now	RB
39142	1358	19	passed	pass	VBN
39142	1358	20	from	from	IN
39142	1358	21	earth	earth	NN
39142	1358	22	,	,	,
39142	1358	23	archæologists	archæologist	NNS
39142	1358	24	have	have	VBP
39142	1358	25	unearthed	unearth	VBN
39142	1358	26	many	many	JJ
39142	1358	27	monuments	monument	NNS
39142	1358	28	that	that	WDT
39142	1358	29	evidence	evidence	VBP
39142	1358	30	the	the	DT
39142	1358	31	veneration	veneration	NN
39142	1358	32	in	in	IN
39142	1358	33	which	which	WDT
39142	1358	34	the	the	DT
39142	1358	35	early	early	JJ
39142	1358	36	peoples	people	NNS
39142	1358	37	who	who	WP
39142	1358	38	inhabited	inhabit	VBD
39142	1358	39	Egypt	Egypt	NNP
39142	1358	40	and	and	CC
39142	1358	41	Asia	Asia	NNP
39142	1358	42	Minor	Minor	NNP
39142	1358	43	many	many	JJ
39142	1358	44	thousand	thousand	CD
39142	1358	45	years	year	NNS
39142	1358	46	ago	ago	RB
39142	1358	47	held	hold	VBD
39142	1358	48	the	the	DT
39142	1358	49	sun	sun	NN
39142	1358	50	.	.	.
39142	1359	1	A	a	DT
39142	1359	2	striking	striking	JJ
39142	1359	3	example	example	NN
39142	1359	4	is	be	VBZ
39142	1359	5	found	find	VBN
39142	1359	6	in	in	IN
39142	1359	7	the	the	DT
39142	1359	8	architecture	architecture	NN
39142	1359	9	of	of	IN
39142	1359	10	early	early	JJ
39142	1359	11	Egyptian	egyptian	JJ
39142	1359	12	temples	temple	NNS
39142	1359	13	,	,	,
39142	1359	14	on	on	IN
39142	1359	15	the	the	DT
39142	1359	16	lintels	lintel	NNS
39142	1359	17	of	of	IN
39142	1359	18	which	which	WDT
39142	1359	19	are	be	VBP
39142	1359	20	carved	carve	VBN
39142	1359	21	representations	representation	NNS
39142	1359	22	of	of	IN
39142	1359	23	the	the	DT
39142	1359	24	winged	winged	JJ
39142	1359	25	globe	globe	NNP
39142	1359	26	or	or	CC
39142	1359	27	the	the	DT
39142	1359	28	winged	wing	VBN
39142	1359	29	solar	solar	JJ
39142	1359	30	disk	disk	NN
39142	1359	31	,	,	,
39142	1359	32	and	and	CC
39142	1359	33	there	there	EX
39142	1359	34	is	be	VBZ
39142	1359	35	a	a	DT
39142	1359	36	bare	bare	JJ
39142	1359	37	possibility	possibility	NN
39142	1359	38	that	that	IN
39142	1359	39	the	the	DT
39142	1359	40	wings	wing	NNS
39142	1359	41	of	of	IN
39142	1359	42	the	the	DT
39142	1359	43	globe	globe	NN
39142	1359	44	were	be	VBD
39142	1359	45	suggested	suggest	VBN
39142	1359	46	by	by	IN
39142	1359	47	a	a	DT
39142	1359	48	type	type	NN
39142	1359	49	of	of	IN
39142	1359	50	the	the	DT
39142	1359	51	solar	solar	JJ
39142	1359	52	corona	corona	NN
39142	1359	53	as	as	IN
39142	1359	54	glimpsed	glimpse	VBN
39142	1359	55	by	by	IN
39142	1359	56	the	the	DT
39142	1359	57	ancients	ancient	NNS
39142	1359	58	.	.	.
39142	1360	1	Little	little	JJ
39142	1360	2	knew	know	VBD
39142	1360	3	they	-PRON-	PRP
39142	1360	4	about	about	IN
39142	1360	5	the	the	DT
39142	1360	6	distance	distance	NN
39142	1360	7	and	and	CC
39142	1360	8	size	size	NN
39142	1360	9	of	of	IN
39142	1360	10	the	the	DT
39142	1360	11	sun	sun	NN
39142	1360	12	;	;	:
39142	1360	13	but	but	CC
39142	1360	14	the	the	DT
39142	1360	15	effects	effect	NNS
39142	1360	16	of	of	IN
39142	1360	17	his	-PRON-	PRP$
39142	1360	18	light	light	NN
39142	1360	19	and	and	CC
39142	1360	20	heat	heat	NN
39142	1360	21	upon	upon	IN
39142	1360	22	all	all	DT
39142	1360	23	vegetal	vegetal	JJ
39142	1360	24	and	and	CC
39142	1360	25	animal	animal	NN
39142	1360	26	life	life	NN
39142	1360	27	were	be	VBD
39142	1360	28	obvious	obvious	JJ
39142	1360	29	to	to	IN
39142	1360	30	them	-PRON-	PRP
39142	1360	31	.	.	.
39142	1361	1	Doubtless	doubtless	RB
39142	1361	2	this	this	DT
39142	1361	3	formed	form	VBD
39142	1361	4	the	the	DT
39142	1361	5	basis	basis	NN
39142	1361	6	for	for	IN
39142	1361	7	their	-PRON-	PRP$
39142	1361	8	worship	worship	NN
39142	1361	9	of	of	IN
39142	1361	10	the	the	DT
39142	1361	11	sun	sun	NN
39142	1361	12	.	.	.
39142	1362	1	Occasional	occasional	JJ
39142	1362	2	huge	huge	JJ
39142	1362	3	spots	spot	NNS
39142	1362	4	must	must	MD
39142	1362	5	have	have	VB
39142	1362	6	been	be	VBN
39142	1362	7	visible	visible	JJ
39142	1362	8	to	to	IN
39142	1362	9	the	the	DT
39142	1362	10	naked	naked	JJ
39142	1362	11	eye	eye	NN
39142	1362	12	,	,	,
39142	1362	13	and	and	CC
39142	1362	14	the	the	DT
39142	1362	15	sun	sun	NN
39142	1362	16	's	's	POS
39142	1362	17	corona	corona	NN
39142	1362	18	was	be	VBD
39142	1362	19	seen	see	VBN
39142	1362	20	at	at	IN
39142	1362	21	rare	rare	JJ
39142	1362	22	intervals	interval	NNS
39142	1362	23	.	.	.
39142	1363	1	Plutarch	Plutarch	NNP
39142	1363	2	and	and	CC
39142	1363	3	Philostratus	Philostratus	NNP
39142	1363	4	describe	describe	VBP
39142	1363	5	it	-PRON-	PRP
39142	1363	6	very	very	RB
39142	1363	7	much	much	RB
39142	1363	8	as	as	IN
39142	1363	9	we	-PRON-	PRP
39142	1363	10	see	see	VBP
39142	1363	11	it	-PRON-	PRP
39142	1363	12	to	to	IN
39142	1363	13	-	-	HYPH
39142	1363	14	day	day	NN
39142	1363	15	.	.	.
39142	1364	1	How	how	WRB
39142	1364	2	completely	completely	RB
39142	1364	3	dependent	dependent	JJ
39142	1364	4	mankind	mankind	NN
39142	1364	5	is	be	VBZ
39142	1364	6	upon	upon	IN
39142	1364	7	the	the	DT
39142	1364	8	sun	sun	NN
39142	1364	9	and	and	CC
39142	1364	10	its	-PRON-	PRP$
39142	1364	11	powerful	powerful	JJ
39142	1364	12	radiations	radiation	NNS
39142	1364	13	,	,	,
39142	1364	14	only	only	RB
39142	1364	15	the	the	DT
39142	1364	16	science	science	NN
39142	1364	17	of	of	IN
39142	1364	18	the	the	DT
39142	1364	19	present	present	JJ
39142	1364	20	day	day	NN
39142	1364	21	can	can	MD
39142	1364	22	tell	tell	VB
39142	1364	23	us	-PRON-	PRP
39142	1364	24	.	.	.
39142	1365	1	By	by	IN
39142	1365	2	means	mean	NNS
39142	1365	3	of	of	IN
39142	1365	4	the	the	DT
39142	1365	5	sun	sun	NN
39142	1365	6	's	's	POS
39142	1365	7	heat	heat	NN
39142	1365	8	the	the	DT
39142	1365	9	forests	forest	NNS
39142	1365	10	of	of	IN
39142	1365	11	early	early	JJ
39142	1365	12	geologic	geologic	JJ
39142	1365	13	ages	age	NNS
39142	1365	14	were	be	VBD
39142	1365	15	enabled	enable	VBN
39142	1365	16	to	to	TO
39142	1365	17	wrest	wr	JJS
39142	1365	18	carbon	carbon	NN
39142	1365	19	from	from	IN
39142	1365	20	the	the	DT
39142	1365	21	atmosphere	atmosphere	NN
39142	1365	22	and	and	CC
39142	1365	23	store	store	VB
39142	1365	24	it	-PRON-	PRP
39142	1365	25	in	in	IN
39142	1365	26	forms	form	NNS
39142	1365	27	later	later	RB
39142	1365	28	converted	convert	VBN
39142	1365	29	by	by	IN
39142	1365	30	nature	nature	NN
39142	1365	31	's	's	POS
39142	1365	32	chemistry	chemistry	NN
39142	1365	33	into	into	IN
39142	1365	34	peat	peat	NN
39142	1365	35	and	and	CC
39142	1365	36	coal	coal	NN
39142	1365	37	.	.	.
39142	1366	1	Through	through	IN
39142	1366	2	processes	process	NNS
39142	1366	3	but	but	CC
39142	1366	4	imperfectly	imperfectly	RB
39142	1366	5	understood	understand	VBD
39142	1366	6	,	,	,
39142	1366	7	the	the	DT
39142	1366	8	varying	vary	VBG
39142	1366	9	forms	form	NNS
39142	1366	10	of	of	IN
39142	1366	11	vegetable	vegetable	JJ
39142	1366	12	life	life	NN
39142	1366	13	are	be	VBP
39142	1366	14	empowered	empower	VBN
39142	1366	15	to	to	TO
39142	1366	16	conserve	conserve	VB
39142	1366	17	,	,	,
39142	1366	18	from	from	IN
39142	1366	19	air	air	NN
39142	1366	20	and	and	CC
39142	1366	21	soil	soil	NN
39142	1366	22	,	,	,
39142	1366	23	nitrogen	nitrogen	NN
39142	1366	24	and	and	CC
39142	1366	25	other	other	JJ
39142	1366	26	substances	substance	NNS
39142	1366	27	suitable	suitable	JJ
39142	1366	28	for	for	IN
39142	1366	29	and	and	CC
39142	1366	30	essential	essential	JJ
39142	1366	31	to	to	IN
39142	1366	32	the	the	DT
39142	1366	33	life	life	NN
39142	1366	34	maintenance	maintenance	NN
39142	1366	35	of	of	IN
39142	1366	36	animal	animal	NN
39142	1366	37	creatures	creature	NNS
39142	1366	38	.	.	.
39142	1367	1	Breezes	breeze	NNS
39142	1367	2	that	that	WDT
39142	1367	3	bring	bring	VBP
39142	1367	4	rain	rain	NN
39142	1367	5	and	and	CC
39142	1367	6	purify	purify	VB
39142	1367	7	the	the	DT
39142	1367	8	air	air	NN
39142	1367	9	;	;	:
39142	1367	10	the	the	DT
39142	1367	11	energy	energy	NN
39142	1367	12	of	of	IN
39142	1367	13	water	water	NN
39142	1367	14	held	hold	VBN
39142	1367	15	under	under	IN
39142	1367	16	storage	storage	NN
39142	1367	17	in	in	IN
39142	1367	18	stream	stream	NN
39142	1367	19	and	and	CC
39142	1367	20	dam	dam	NN
39142	1367	21	and	and	CC
39142	1367	22	fall	fall	VB
39142	1367	23	;	;	:
39142	1367	24	trade	trade	NN
39142	1367	25	winds	wind	NNS
39142	1367	26	facilitating	facilitate	VBG
39142	1367	27	commerce	commerce	NN
39142	1367	28	between	between	IN
39142	1367	29	the	the	DT
39142	1367	30	continents	continent	NNS
39142	1367	31	;	;	:
39142	1367	32	oceanic	oceanic	JJ
39142	1367	33	currents	current	NNS
39142	1367	34	modifying	modify	VBG
39142	1367	35	coastal	coastal	JJ
39142	1367	36	climates	climate	NNS
39142	1367	37	;	;	:
39142	1367	38	the	the	DT
39142	1367	39	violence	violence	NN
39142	1367	40	of	of	IN
39142	1367	41	tornado	tornado	NN
39142	1367	42	,	,	,
39142	1367	43	typhoon	typhoon	NN
39142	1367	44	and	and	CC
39142	1367	45	water	water	NN
39142	1367	46	-	-	HYPH
39142	1367	47	spout	spout	NN
39142	1367	48	,	,	,
39142	1367	49	together	together	RB
39142	1367	50	with	with	IN
39142	1367	51	other	other	JJ
39142	1367	52	manifestations	manifestation	NNS
39142	1367	53	of	of	IN
39142	1367	54	natural	natural	JJ
39142	1367	55	forces	force	NNS
39142	1367	56	--	--	:
39142	1367	57	all	all	DT
39142	1367	58	can	can	MD
39142	1367	59	be	be	VB
39142	1367	60	traced	trace	VBN
39142	1367	61	back	back	RB
39142	1367	62	to	to	IN
39142	1367	63	their	-PRON-	PRP$
39142	1367	64	origin	origin	NN
39142	1367	65	in	in	IN
39142	1367	66	the	the	DT
39142	1367	67	tremendous	tremendous	JJ
39142	1367	68	heating	heating	NN
39142	1367	69	power	power	NN
39142	1367	70	of	of	IN
39142	1367	71	the	the	DT
39142	1367	72	solar	solar	JJ
39142	1367	73	rays	ray	NNS
39142	1367	74	.	.	.
39142	1368	1	In	in	IN
39142	1368	2	everything	everything	NN
39142	1368	3	material	material	NN
39142	1368	4	the	the	DT
39142	1368	5	sun	sun	NN
39142	1368	6	is	be	VBZ
39142	1368	7	our	-PRON-	PRP$
39142	1368	8	constant	constant	JJ
39142	1368	9	and	and	CC
39142	1368	10	bountiful	bountiful	JJ
39142	1368	11	benefactor	benefactor	NN
39142	1368	12	.	.	.
39142	1369	1	If	if	IN
39142	1369	2	his	-PRON-	PRP$
39142	1369	3	light	light	NN
39142	1369	4	and	and	CC
39142	1369	5	heat	heat	NN
39142	1369	6	were	be	VBD
39142	1369	7	withdrawn	withdraw	VBN
39142	1369	8	,	,	,
39142	1369	9	practically	practically	RB
39142	1369	10	every	every	DT
39142	1369	11	form	form	NN
39142	1369	12	of	of	IN
39142	1369	13	human	human	JJ
39142	1369	14	activity	activity	NN
39142	1369	15	on	on	IN
39142	1369	16	this	this	DT
39142	1369	17	planet	planet	NN
39142	1369	18	would	would	MD
39142	1369	19	come	come	VB
39142	1369	20	to	to	IN
39142	1369	21	an	an	DT
39142	1369	22	early	early	JJ
39142	1369	23	end	end	NN
39142	1369	24	.	.	.
39142	1370	1	How	how	WRB
39142	1370	2	far	far	RB
39142	1370	3	away	away	RB
39142	1370	4	is	be	VBZ
39142	1370	5	the	the	DT
39142	1370	6	sun	sun	NN
39142	1370	7	?	?	.
39142	1371	1	What	what	WP
39142	1371	2	is	be	VBZ
39142	1371	3	the	the	DT
39142	1371	4	size	size	NN
39142	1371	5	of	of	IN
39142	1371	6	the	the	DT
39142	1371	7	sun	sun	NN
39142	1371	8	?	?	.
39142	1372	1	These	these	DT
39142	1372	2	are	be	VBP
39142	1372	3	questions	question	NNS
39142	1372	4	that	that	WDT
39142	1372	5	astronomers	astronomer	NNS
39142	1372	6	of	of	IN
39142	1372	7	the	the	DT
39142	1372	8	present	present	JJ
39142	1372	9	day	day	NN
39142	1372	10	can	can	MD
39142	1372	11	answer	answer	VB
39142	1372	12	with	with	IN
39142	1372	13	accuracy	accuracy	NN
39142	1372	14	.	.	.
39142	1373	1	So	so	RB
39142	1373	2	closely	closely	RB
39142	1373	3	do	do	VBP
39142	1373	4	they	-PRON-	PRP
39142	1373	5	know	know	VB
39142	1373	6	the	the	DT
39142	1373	7	sun	sun	NN
39142	1373	8	's	's	POS
39142	1373	9	distance	distance	NN
39142	1373	10	that	that	IN
39142	1373	11	it	-PRON-	PRP
39142	1373	12	is	be	VBZ
39142	1373	13	employed	employ	VBN
39142	1373	14	as	as	IN
39142	1373	15	their	-PRON-	PRP$
39142	1373	16	yardstick	yardstick	NN
39142	1373	17	of	of	IN
39142	1373	18	the	the	DT
39142	1373	19	sky	sky	NN
39142	1373	20	,	,	,
39142	1373	21	or	or	CC
39142	1373	22	unit	unit	NN
39142	1373	23	of	of	IN
39142	1373	24	celestial	celestial	JJ
39142	1373	25	measurement	measurement	NN
39142	1373	26	.	.	.
39142	1374	1	Many	many	JJ
39142	1374	2	methods	method	NNS
39142	1374	3	have	have	VBP
39142	1374	4	been	be	VBN
39142	1374	5	utilized	utilize	VBN
39142	1374	6	in	in	IN
39142	1374	7	ascertaining	ascertain	VBG
39142	1374	8	the	the	DT
39142	1374	9	distance	distance	NN
39142	1374	10	of	of	IN
39142	1374	11	the	the	DT
39142	1374	12	sun	sun	NN
39142	1374	13	,	,	,
39142	1374	14	and	and	CC
39142	1374	15	the	the	DT
39142	1374	16	remarkable	remarkable	JJ
39142	1374	17	agreement	agreement	NN
39142	1374	18	among	among	IN
39142	1374	19	them	-PRON-	PRP
39142	1374	20	all	all	DT
39142	1374	21	is	be	VBZ
39142	1374	22	very	very	RB
39142	1374	23	extraordinary	extraordinary	JJ
39142	1374	24	.	.	.
39142	1375	1	Some	some	DT
39142	1375	2	of	of	IN
39142	1375	3	them	-PRON-	PRP
39142	1375	4	depend	depend	VBP
39142	1375	5	upon	upon	IN
39142	1375	6	pure	pure	JJ
39142	1375	7	geometry	geometry	NN
39142	1375	8	,	,	,
39142	1375	9	and	and	CC
39142	1375	10	the	the	DT
39142	1375	11	basic	basic	JJ
39142	1375	12	measure	measure	NN
39142	1375	13	which	which	WDT
39142	1375	14	we	-PRON-	PRP
39142	1375	15	make	make	VBP
39142	1375	16	from	from	IN
39142	1375	17	the	the	DT
39142	1375	18	earth	earth	NN
39142	1375	19	is	be	VBZ
39142	1375	20	not	not	RB
39142	1375	21	the	the	DT
39142	1375	22	distance	distance	NN
39142	1375	23	of	of	IN
39142	1375	24	the	the	DT
39142	1375	25	sun	sun	NN
39142	1375	26	directly	directly	RB
39142	1375	27	;	;	:
39142	1375	28	but	but	CC
39142	1375	29	we	-PRON-	PRP
39142	1375	30	find	find	VBP
39142	1375	31	out	out	RP
39142	1375	32	how	how	WRB
39142	1375	33	far	far	RB
39142	1375	34	away	away	RB
39142	1375	35	Venus	Venus	NNP
39142	1375	36	is	be	VBZ
39142	1375	37	during	during	IN
39142	1375	38	a	a	DT
39142	1375	39	transit	transit	NN
39142	1375	40	of	of	IN
39142	1375	41	Venus	Venus	NNP
39142	1375	42	,	,	,
39142	1375	43	for	for	IN
39142	1375	44	example	example	NN
39142	1375	45	,	,	,
39142	1375	46	or	or	CC
39142	1375	47	how	how	WRB
39142	1375	48	far	far	RB
39142	1375	49	away	away	RB
39142	1375	50	Mars	Mars	NNP
39142	1375	51	is	be	VBZ
39142	1375	52	or	or	CC
39142	1375	53	some	some	DT
39142	1375	54	of	of	IN
39142	1375	55	the	the	DT
39142	1375	56	asteroids	asteroid	NNS
39142	1375	57	are	be	VBP
39142	1375	58	at	at	IN
39142	1375	59	their	-PRON-	PRP$
39142	1375	60	closer	close	JJR
39142	1375	61	oppositions	opposition	NNS
39142	1375	62	.	.	.
39142	1376	1	Then	then	RB
39142	1376	2	it	-PRON-	PRP
39142	1376	3	is	be	VBZ
39142	1376	4	possible	possible	JJ
39142	1376	5	to	to	TO
39142	1376	6	calculate	calculate	VB
39142	1376	7	how	how	WRB
39142	1376	8	far	far	RB
39142	1376	9	away	away	RB
39142	1376	10	the	the	DT
39142	1376	11	sun	sun	NN
39142	1376	12	is	be	VBZ
39142	1376	13	,	,	,
39142	1376	14	because	because	IN
39142	1376	15	one	one	CD
39142	1376	16	measurement	measurement	NN
39142	1376	17	of	of	IN
39142	1376	18	distance	distance	NN
39142	1376	19	in	in	IN
39142	1376	20	the	the	DT
39142	1376	21	solar	solar	JJ
39142	1376	22	system	system	NN
39142	1376	23	affords	afford	VBZ
39142	1376	24	us	-PRON-	PRP
39142	1376	25	the	the	DT
39142	1376	26	scale	scale	NN
39142	1376	27	on	on	IN
39142	1376	28	which	which	WDT
39142	1376	29	the	the	DT
39142	1376	30	whole	whole	JJ
39142	1376	31	structure	structure	NN
39142	1376	32	is	be	VBZ
39142	1376	33	built	build	VBN
39142	1376	34	.	.	.
39142	1377	1	But	but	CC
39142	1377	2	perhaps	perhaps	RB
39142	1377	3	the	the	DT
39142	1377	4	simplest	simple	JJS
39142	1377	5	method	method	NN
39142	1377	6	of	of	IN
39142	1377	7	getting	get	VBG
39142	1377	8	the	the	DT
39142	1377	9	sun	sun	NN
39142	1377	10	's	's	POS
39142	1377	11	distance	distance	NN
39142	1377	12	is	be	VBZ
39142	1377	13	by	by	IN
39142	1377	14	the	the	DT
39142	1377	15	velocity	velocity	NN
39142	1377	16	of	of	IN
39142	1377	17	light	light	NN
39142	1377	18	,	,	,
39142	1377	19	186,300	186,300	CD
39142	1377	20	miles	mile	NNS
39142	1377	21	a	a	DT
39142	1377	22	second	second	NN
39142	1377	23	.	.	.
39142	1378	1	From	from	IN
39142	1378	2	eclipses	eclipse	NNS
39142	1378	3	of	of	IN
39142	1378	4	Jupiter	Jupiter	NNP
39142	1378	5	's	's	POS
39142	1378	6	moons	moon	NNS
39142	1378	7	we	-PRON-	PRP
39142	1378	8	know	know	VBP
39142	1378	9	that	that	IN
39142	1378	10	light	light	NN
39142	1378	11	takes	take	VBZ
39142	1378	12	8	8	CD
39142	1378	13	minutes	minute	NNS
39142	1378	14	20	20	CD
39142	1378	15	seconds	second	NNS
39142	1378	16	to	to	TO
39142	1378	17	pass	pass	VB
39142	1378	18	from	from	IN
39142	1378	19	sun	sun	NN
39142	1378	20	to	to	IN
39142	1378	21	earth	earth	NN
39142	1378	22	.	.	.
39142	1379	1	So	so	RB
39142	1379	2	that	that	IN
39142	1379	3	the	the	DT
39142	1379	4	sun	sun	NN
39142	1379	5	's	's	POS
39142	1379	6	distance	distance	NN
39142	1379	7	is	be	VBZ
39142	1379	8	the	the	DT
39142	1379	9	simple	simple	JJ
39142	1379	10	product	product	NN
39142	1379	11	of	of	IN
39142	1379	12	the	the	DT
39142	1379	13	two	two	CD
39142	1379	14	,	,	,
39142	1379	15	or	or	CC
39142	1379	16	93	93	CD
39142	1379	17	millions	million	NNS
39142	1379	18	of	of	IN
39142	1379	19	miles	mile	NNS
39142	1379	20	.	.	.
39142	1380	1	Once	once	IN
39142	1380	2	this	this	DT
39142	1380	3	fundamental	fundamental	JJ
39142	1380	4	unit	unit	NN
39142	1380	5	is	be	VBZ
39142	1380	6	established	establish	VBN
39142	1380	7	,	,	,
39142	1380	8	we	-PRON-	PRP
39142	1380	9	have	have	VBP
39142	1380	10	a	a	DT
39142	1380	11	firm	firm	JJ
39142	1380	12	basis	basis	NN
39142	1380	13	on	on	IN
39142	1380	14	which	which	WDT
39142	1380	15	to	to	TO
39142	1380	16	build	build	VB
39142	1380	17	up	up	RP
39142	1380	18	our	-PRON-	PRP$
39142	1380	19	knowledge	knowledge	NN
39142	1380	20	of	of	IN
39142	1380	21	the	the	DT
39142	1380	22	distances	distance	NNS
39142	1380	23	,	,	,
39142	1380	24	the	the	DT
39142	1380	25	sizes	size	NNS
39142	1380	26	and	and	CC
39142	1380	27	motions	motion	NNS
39142	1380	28	of	of	IN
39142	1380	29	the	the	DT
39142	1380	30	heavenly	heavenly	JJ
39142	1380	31	bodies	body	NNS
39142	1380	32	,	,	,
39142	1380	33	especially	especially	RB
39142	1380	34	those	those	DT
39142	1380	35	that	that	WDT
39142	1380	36	comprise	comprise	VBP
39142	1380	37	the	the	DT
39142	1380	38	solar	solar	JJ
39142	1380	39	system	system	NN
39142	1380	40	.	.	.
39142	1381	1	We	-PRON-	PRP
39142	1381	2	can	can	MD
39142	1381	3	at	at	IN
39142	1381	4	once	once	RB
39142	1381	5	ascertain	ascertain	VB
39142	1381	6	the	the	DT
39142	1381	7	size	size	NN
39142	1381	8	of	of	IN
39142	1381	9	the	the	DT
39142	1381	10	sun	sun	NN
39142	1381	11	,	,	,
39142	1381	12	which	which	WDT
39142	1381	13	we	-PRON-	PRP
39142	1381	14	do	do	VBP
39142	1381	15	by	by	IN
39142	1381	16	measuring	measure	VBG
39142	1381	17	the	the	DT
39142	1381	18	angle	angle	NN
39142	1381	19	which	which	WDT
39142	1381	20	it	-PRON-	PRP
39142	1381	21	fills	fill	VBZ
39142	1381	22	,	,	,
39142	1381	23	that	that	RB
39142	1381	24	is	is	RB
39142	1381	25	,	,	,
39142	1381	26	the	the	DT
39142	1381	27	sun	sun	NN
39142	1381	28	's	's	POS
39142	1381	29	apparent	apparent	JJ
39142	1381	30	diameter	diameter	NN
39142	1381	31	.	.	.
39142	1382	1	Finding	find	VBG
39142	1382	2	this	this	DT
39142	1382	3	to	to	TO
39142	1382	4	be	be	VB
39142	1382	5	something	something	NN
39142	1382	6	over	over	IN
39142	1382	7	a	a	DT
39142	1382	8	half	half	PDT
39142	1382	9	a	a	DT
39142	1382	10	degree	degree	NN
39142	1382	11	in	in	IN
39142	1382	12	arc	arc	NNP
39142	1382	13	,	,	,
39142	1382	14	the	the	DT
39142	1382	15	processes	process	NNS
39142	1382	16	of	of	IN
39142	1382	17	elementary	elementary	JJ
39142	1382	18	trigonometry	trigonometry	NN
39142	1382	19	tell	tell	VB
39142	1382	20	us	-PRON-	PRP
39142	1382	21	that	that	IN
39142	1382	22	the	the	DT
39142	1382	23	sun	sun	NN
39142	1382	24	's	's	POS
39142	1382	25	globe	globe	NN
39142	1382	26	is	be	VBZ
39142	1382	27	865,000	865,000	CD
39142	1382	28	miles	mile	NNS
39142	1382	29	in	in	IN
39142	1382	30	diameter	diameter	NN
39142	1382	31	.	.	.
39142	1383	1	For	for	IN
39142	1383	2	nearly	nearly	RB
39142	1383	3	a	a	DT
39142	1383	4	century	century	NN
39142	1383	5	this	this	DT
39142	1383	6	has	have	VBZ
39142	1383	7	been	be	VBN
39142	1383	8	accurately	accurately	RB
39142	1383	9	measured	measure	VBN
39142	1383	10	with	with	IN
39142	1383	11	the	the	DT
39142	1383	12	greatest	great	JJS
39142	1383	13	care	care	NN
39142	1383	14	,	,	,
39142	1383	15	and	and	CC
39142	1383	16	diameters	diameter	NNS
39142	1383	17	taken	take	VBN
39142	1383	18	in	in	RP
39142	1383	19	every	every	DT
39142	1383	20	direction	direction	NN
39142	1383	21	are	be	VBP
39142	1383	22	found	find	VBN
39142	1383	23	to	to	TO
39142	1383	24	be	be	VB
39142	1383	25	equal	equal	JJ
39142	1383	26	and	and	CC
39142	1383	27	invariably	invariably	RB
39142	1383	28	the	the	DT
39142	1383	29	same	same	JJ
39142	1383	30	.	.	.
39142	1384	1	So	so	RB
39142	1384	2	we	-PRON-	PRP
39142	1384	3	conclude	conclude	VBP
39142	1384	4	that	that	IN
39142	1384	5	the	the	DT
39142	1384	6	sun	sun	NN
39142	1384	7	is	be	VBZ
39142	1384	8	a	a	DT
39142	1384	9	perfect	perfect	JJ
39142	1384	10	sphere	sphere	NN
39142	1384	11	,	,	,
39142	1384	12	and	and	CC
39142	1384	13	so	so	RB
39142	1384	14	far	far	RB
39142	1384	15	as	as	IN
39142	1384	16	our	-PRON-	PRP$
39142	1384	17	instruments	instrument	NNS
39142	1384	18	can	can	MD
39142	1384	19	inform	inform	VB
39142	1384	20	us	-PRON-	PRP
39142	1384	21	,	,	,
39142	1384	22	its	-PRON-	PRP$
39142	1384	23	actual	actual	JJ
39142	1384	24	diameter	diameter	NN
39142	1384	25	is	be	VBZ
39142	1384	26	not	not	RB
39142	1384	27	subject	subject	JJ
39142	1384	28	to	to	IN
39142	1384	29	appreciable	appreciable	JJ
39142	1384	30	change	change	NN
39142	1384	31	.	.	.
39142	1385	1	The	the	DT
39142	1385	2	vastness	vastness	NN
39142	1385	3	of	of	IN
39142	1385	4	the	the	DT
39142	1385	5	sun	sun	NN
39142	1385	6	's	's	POS
39142	1385	7	volume	volume	NN
39142	1385	8	commands	command	VBZ
39142	1385	9	our	-PRON-	PRP$
39142	1385	10	attention	attention	NN
39142	1385	11	.	.	.
39142	1386	1	As	as	IN
39142	1386	2	his	-PRON-	PRP$
39142	1386	3	diameter	diameter	NN
39142	1386	4	is	be	VBZ
39142	1386	5	110	110	CD
39142	1386	6	times	time	NNS
39142	1386	7	that	that	DT
39142	1386	8	of	of	IN
39142	1386	9	the	the	DT
39142	1386	10	earth	earth	NN
39142	1386	11	,	,	,
39142	1386	12	his	-PRON-	PRP$
39142	1386	13	mere	mere	JJ
39142	1386	14	size	size	NN
39142	1386	15	or	or	CC
39142	1386	16	volume	volume	NN
39142	1386	17	is	be	VBZ
39142	1386	18	110×110×110	110×110×110	JJ
39142	1386	19	or	or	CC
39142	1386	20	1,300	1,300	CD
39142	1386	21	thousand	thousand	CD
39142	1386	22	times	time	NNS
39142	1386	23	that	that	DT
39142	1386	24	of	of	IN
39142	1386	25	the	the	DT
39142	1386	26	earth	earth	NN
39142	1386	27	,	,	,
39142	1386	28	because	because	IN
39142	1386	29	the	the	DT
39142	1386	30	volumes	volume	NNS
39142	1386	31	of	of	IN
39142	1386	32	spheres	sphere	NNS
39142	1386	33	are	be	VBP
39142	1386	34	in	in	IN
39142	1386	35	proportion	proportion	NN
39142	1386	36	as	as	IN
39142	1386	37	the	the	DT
39142	1386	38	cubes	cube	NNS
39142	1386	39	of	of	IN
39142	1386	40	their	-PRON-	PRP$
39142	1386	41	diameters	diameter	NNS
39142	1386	42	.	.	.
39142	1387	1	If	if	IN
39142	1387	2	the	the	DT
39142	1387	3	materials	material	NNS
39142	1387	4	that	that	WDT
39142	1387	5	compose	compose	VBP
39142	1387	6	the	the	DT
39142	1387	7	sun	sun	NN
39142	1387	8	were	be	VBD
39142	1387	9	as	as	RB
39142	1387	10	heavy	heavy	JJ
39142	1387	11	as	as	IN
39142	1387	12	those	those	DT
39142	1387	13	that	that	WDT
39142	1387	14	make	make	VBP
39142	1387	15	up	up	RP
39142	1387	16	the	the	DT
39142	1387	17	earth	earth	NN
39142	1387	18	,	,	,
39142	1387	19	it	-PRON-	PRP
39142	1387	20	would	would	MD
39142	1387	21	take	take	VB
39142	1387	22	1,300	1,300	CD
39142	1387	23	thousand	thousand	CD
39142	1387	24	earths	earth	NNS
39142	1387	25	to	to	TO
39142	1387	26	weigh	weigh	VB
39142	1387	27	as	as	RB
39142	1387	28	much	much	RB
39142	1387	29	as	as	IN
39142	1387	30	the	the	DT
39142	1387	31	sun	sun	NN
39142	1387	32	does	do	VBZ
39142	1387	33	.	.	.
39142	1388	1	But	but	CC
39142	1388	2	by	by	IN
39142	1388	3	a	a	DT
39142	1388	4	method	method	NN
39142	1388	5	which	which	WDT
39142	1388	6	we	-PRON-	PRP
39142	1388	7	need	need	VBP
39142	1388	8	not	not	RB
39142	1388	9	detail	detail	VB
39142	1388	10	here	here	RB
39142	1388	11	,	,	,
39142	1388	12	the	the	DT
39142	1388	13	sun	sun	NN
39142	1388	14	's	's	POS
39142	1388	15	actual	actual	JJ
39142	1388	16	weight	weight	NN
39142	1388	17	or	or	CC
39142	1388	18	mass	mass	NN
39142	1388	19	is	be	VBZ
39142	1388	20	found	find	VBN
39142	1388	21	to	to	TO
39142	1388	22	be	be	VB
39142	1388	23	only	only	RB
39142	1388	24	300	300	CD
39142	1388	25	thousand	thousand	CD
39142	1388	26	(	(	-LRB-
39142	1388	27	more	more	JJR
39142	1388	28	nearly	nearly	RB
39142	1388	29	330,000	330,000	CD
39142	1388	30	)	)	-RRB-
39142	1388	31	,	,	,
39142	1388	32	times	time	NNS
39142	1388	33	greater	great	JJR
39142	1388	34	than	than	IN
39142	1388	35	the	the	DT
39142	1388	36	earth	earth	NN
39142	1388	37	's	's	POS
39142	1388	38	.	.	.
39142	1389	1	So	so	RB
39142	1389	2	we	-PRON-	PRP
39142	1389	3	must	must	MD
39142	1389	4	infer	infer	VB
39142	1389	5	that	that	IN
39142	1389	6	,	,	,
39142	1389	7	bulk	bulk	VB
39142	1389	8	for	for	IN
39142	1389	9	bulk	bulk	NN
39142	1389	10	,	,	,
39142	1389	11	the	the	DT
39142	1389	12	component	component	NN
39142	1389	13	materials	material	NNS
39142	1389	14	of	of	IN
39142	1389	15	the	the	DT
39142	1389	16	sun	sun	NN
39142	1389	17	are	be	VBP
39142	1389	18	about	about	RB
39142	1389	19	one	one	CD
39142	1389	20	-	-	HYPH
39142	1389	21	fourth	fourth	NN
39142	1389	22	lighter	light	JJR
39142	1389	23	than	than	IN
39142	1389	24	those	those	DT
39142	1389	25	of	of	IN
39142	1389	26	the	the	DT
39142	1389	27	earth	earth	NN
39142	1389	28	,	,	,
39142	1389	29	that	that	RB
39142	1389	30	is	is	RB
39142	1389	31	,	,	,
39142	1389	32	about	about	RB
39142	1389	33	one	one	CD
39142	1389	34	and	and	CC
39142	1389	35	one	one	CD
39142	1389	36	-	-	HYPH
39142	1389	37	half	half	NN
39142	1389	38	times	time	NNS
39142	1389	39	as	as	RB
39142	1389	40	dense	dense	JJ
39142	1389	41	as	as	IN
39142	1389	42	water	water	NN
39142	1389	43	.	.	.
39142	1390	1	To	to	TO
39142	1390	2	look	look	VB
39142	1390	3	at	at	IN
39142	1390	4	this	this	DT
39142	1390	5	in	in	IN
39142	1390	6	another	another	DT
39142	1390	7	way	way	NN
39142	1390	8	:	:	:
39142	1390	9	it	-PRON-	PRP
39142	1390	10	is	be	VBZ
39142	1390	11	known	know	VBN
39142	1390	12	that	that	IN
39142	1390	13	a	a	DT
39142	1390	14	body	body	NN
39142	1390	15	falling	fall	VBG
39142	1390	16	freely	freely	RB
39142	1390	17	toward	toward	IN
39142	1390	18	the	the	DT
39142	1390	19	earth	earth	NN
39142	1390	20	from	from	IN
39142	1390	21	outer	outer	JJ
39142	1390	22	space	space	NN
39142	1390	23	would	would	MD
39142	1390	24	acquire	acquire	VB
39142	1390	25	a	a	DT
39142	1390	26	speed	speed	NN
39142	1390	27	of	of	IN
39142	1390	28	seven	seven	CD
39142	1390	29	miles	mile	NNS
39142	1390	30	a	a	DT
39142	1390	31	second	second	JJ
39142	1390	32	,	,	,
39142	1390	33	whereas	whereas	IN
39142	1390	34	if	if	IN
39142	1390	35	it	-PRON-	PRP
39142	1390	36	were	be	VBD
39142	1390	37	to	to	TO
39142	1390	38	fall	fall	VB
39142	1390	39	toward	toward	IN
39142	1390	40	the	the	DT
39142	1390	41	sun	sun	NN
39142	1390	42	instead	instead	RB
39142	1390	43	,	,	,
39142	1390	44	the	the	DT
39142	1390	45	velocity	velocity	NN
39142	1390	46	would	would	MD
39142	1390	47	be	be	VB
39142	1390	48	383	383	CD
39142	1390	49	miles	mile	NNS
39142	1390	50	a	a	DT
39142	1390	51	second	second	NN
39142	1390	52	on	on	IN
39142	1390	53	reaching	reach	VBG
39142	1390	54	his	-PRON-	PRP$
39142	1390	55	surface	surface	NN
39142	1390	56	.	.	.
39142	1391	1	If	if	IN
39142	1391	2	all	all	PDT
39142	1391	3	the	the	DT
39142	1391	4	other	other	JJ
39142	1391	5	bodies	body	NNS
39142	1391	6	of	of	IN
39142	1391	7	the	the	DT
39142	1391	8	solar	solar	JJ
39142	1391	9	system	system	NN
39142	1391	10	,	,	,
39142	1391	11	that	that	RB
39142	1391	12	is	is	RB
39142	1391	13	,	,	,
39142	1391	14	the	the	DT
39142	1391	15	earth	earth	NN
39142	1391	16	and	and	CC
39142	1391	17	moon	moon	NN
39142	1391	18	,	,	,
39142	1391	19	all	all	PDT
39142	1391	20	the	the	DT
39142	1391	21	planets	planet	NNS
39142	1391	22	and	and	CC
39142	1391	23	their	-PRON-	PRP$
39142	1391	24	satellites	satellite	NNS
39142	1391	25	,	,	,
39142	1391	26	the	the	DT
39142	1391	27	comets	comet	NNS
39142	1391	28	and	and	CC
39142	1391	29	all	all	DT
39142	1391	30	were	be	VBD
39142	1391	31	to	to	TO
39142	1391	32	be	be	VB
39142	1391	33	fused	fuse	VBN
39142	1391	34	together	together	RB
39142	1391	35	in	in	IN
39142	1391	36	a	a	DT
39142	1391	37	single	single	JJ
39142	1391	38	globe	globe	NN
39142	1391	39	,	,	,
39142	1391	40	it	-PRON-	PRP
39142	1391	41	would	would	MD
39142	1391	42	weigh	weigh	VB
39142	1391	43	only	only	RB
39142	1391	44	one	one	CD
39142	1391	45	-	-	HYPH
39142	1391	46	seven	seven	CD
39142	1391	47	hundred	hundred	CD
39142	1391	48	and	and	CC
39142	1391	49	fiftieth	fiftieth	NN
39142	1391	50	as	as	RB
39142	1391	51	much	much	RB
39142	1391	52	as	as	IN
39142	1391	53	the	the	DT
39142	1391	54	sun	sun	NN
39142	1391	55	does	do	VBZ
39142	1391	56	.	.	.
39142	1392	1	At	at	IN
39142	1392	2	the	the	DT
39142	1392	3	surface	surface	NN
39142	1392	4	,	,	,
39142	1392	5	however	however	RB
39142	1392	6	,	,	,
39142	1392	7	the	the	DT
39142	1392	8	disproportion	disproportion	NN
39142	1392	9	of	of	IN
39142	1392	10	gravity	gravity	NN
39142	1392	11	is	be	VBZ
39142	1392	12	not	not	RB
39142	1392	13	so	so	RB
39142	1392	14	great	great	JJ
39142	1392	15	,	,	,
39142	1392	16	because	because	IN
39142	1392	17	of	of	IN
39142	1392	18	the	the	DT
39142	1392	19	sun	sun	NN
39142	1392	20	's	's	POS
39142	1392	21	vast	vast	JJ
39142	1392	22	size	size	NN
39142	1392	23	:	:	:
39142	1392	24	it	-PRON-	PRP
39142	1392	25	is	be	VBZ
39142	1392	26	only	only	RB
39142	1392	27	about	about	RB
39142	1392	28	twenty	twenty	CD
39142	1392	29	-	-	HYPH
39142	1392	30	eight	eight	CD
39142	1392	31	times	time	NNS
39142	1392	32	greater	great	JJR
39142	1392	33	on	on	IN
39142	1392	34	the	the	DT
39142	1392	35	sun	sun	NN
39142	1392	36	than	than	IN
39142	1392	37	on	on	IN
39142	1392	38	the	the	DT
39142	1392	39	earth	earth	NN
39142	1392	40	;	;	:
39142	1392	41	and	and	CC
39142	1392	42	instead	instead	RB
39142	1392	43	of	of	IN
39142	1392	44	a	a	DT
39142	1392	45	body	body	NN
39142	1392	46	falling	fall	VBG
39142	1392	47	16	16	CD
39142	1392	48	feet	foot	NNS
39142	1392	49	the	the	DT
39142	1392	50	first	first	JJ
39142	1392	51	second	second	JJ
39142	1392	52	as	as	IN
39142	1392	53	here	here	RB
39142	1392	54	,	,	,
39142	1392	55	it	-PRON-	PRP
39142	1392	56	would	would	MD
39142	1392	57	fall	fall	VB
39142	1392	58	444	444	CD
39142	1392	59	feet	foot	NNS
39142	1392	60	there	there	RB
39142	1392	61	.	.	.
39142	1393	1	Pendulums	pendulum	NNS
39142	1393	2	of	of	IN
39142	1393	3	clocks	clock	NNS
39142	1393	4	on	on	IN
39142	1393	5	the	the	DT
39142	1393	6	sun	sun	NN
39142	1393	7	would	would	MD
39142	1393	8	swing	swing	VB
39142	1393	9	five	five	CD
39142	1393	10	times	time	NNS
39142	1393	11	for	for	IN
39142	1393	12	every	every	DT
39142	1393	13	tick	tick	NN
39142	1393	14	here	here	RB
39142	1393	15	,	,	,
39142	1393	16	and	and	CC
39142	1393	17	an	an	DT
39142	1393	18	athlete	athlete	NN
39142	1393	19	's	's	POS
39142	1393	20	running	run	VBG
39142	1393	21	high	high	JJ
39142	1393	22	jump	jump	NN
39142	1393	23	would	would	MD
39142	1393	24	be	be	VB
39142	1393	25	scaled	scale	VBN
39142	1393	26	down	down	RP
39142	1393	27	to	to	IN
39142	1393	28	three	three	CD
39142	1393	29	inches	inch	NNS
39142	1393	30	.	.	.
39142	1394	1	Let	let	VB
39142	1394	2	us	-PRON-	PRP
39142	1394	3	next	next	JJ
39142	1394	4	inquire	inquire	NN
39142	1394	5	into	into	IN
39142	1394	6	the	the	DT
39142	1394	7	amount	amount	NN
39142	1394	8	of	of	IN
39142	1394	9	the	the	DT
39142	1394	10	sun	sun	NN
39142	1394	11	's	's	POS
39142	1394	12	light	light	NN
39142	1394	13	and	and	CC
39142	1394	14	heat	heat	NN
39142	1394	15	,	,	,
39142	1394	16	and	and	CC
39142	1394	17	the	the	DT
39142	1394	18	enormously	enormously	RB
39142	1394	19	high	high	JJ
39142	1394	20	temperature	temperature	NN
39142	1394	21	of	of	IN
39142	1394	22	a	a	DT
39142	1394	23	body	body	NN
39142	1394	24	whose	whose	WP$
39142	1394	25	heat	heat	NN
39142	1394	26	is	be	VBZ
39142	1394	27	so	so	RB
39142	1394	28	intense	intense	JJ
39142	1394	29	even	even	RB
39142	1394	30	at	at	IN
39142	1394	31	the	the	DT
39142	1394	32	vast	vast	JJ
39142	1394	33	distance	distance	NN
39142	1394	34	at	at	IN
39142	1394	35	which	which	WDT
39142	1394	36	we	-PRON-	PRP
39142	1394	37	are	be	VBP
39142	1394	38	from	from	IN
39142	1394	39	it	-PRON-	PRP
39142	1394	40	.	.	.
39142	1395	1	The	the	DT
39142	1395	2	intensity	intensity	NN
39142	1395	3	of	of	IN
39142	1395	4	its	-PRON-	PRP$
39142	1395	5	brightness	brightness	NN
39142	1395	6	is	be	VBZ
39142	1395	7	such	such	JJ
39142	1395	8	that	that	IN
39142	1395	9	we	-PRON-	PRP
39142	1395	10	have	have	VBP
39142	1395	11	no	no	DT
39142	1395	12	artificial	artificial	JJ
39142	1395	13	source	source	NN
39142	1395	14	of	of	IN
39142	1395	15	light	light	NN
39142	1395	16	that	that	WDT
39142	1395	17	we	-PRON-	PRP
39142	1395	18	can	can	MD
39142	1395	19	readily	readily	RB
39142	1395	20	compare	compare	VB
39142	1395	21	it	-PRON-	PRP
39142	1395	22	with	with	IN
39142	1395	23	.	.	.
39142	1396	1	In	in	IN
39142	1396	2	the	the	DT
39142	1396	3	sky	sky	NN
39142	1396	4	the	the	DT
39142	1396	5	next	next	JJ
39142	1396	6	object	object	NN
39142	1396	7	in	in	IN
39142	1396	8	brightness	brightness	NN
39142	1396	9	is	be	VBZ
39142	1396	10	the	the	DT
39142	1396	11	full	full	JJ
39142	1396	12	moon	moon	NN
39142	1396	13	,	,	,
39142	1396	14	but	but	CC
39142	1396	15	that	that	DT
39142	1396	16	gives	give	VBZ
39142	1396	17	less	less	JJR
39142	1396	18	than	than	IN
39142	1396	19	the	the	DT
39142	1396	20	half	half	JJ
39142	1396	21	-	-	HYPH
39142	1396	22	millionth	millionth	NN
39142	1396	23	part	part	NN
39142	1396	24	as	as	IN
39142	1396	25	much	much	JJ
39142	1396	26	light	light	NN
39142	1396	27	as	as	IN
39142	1396	28	the	the	DT
39142	1396	29	sun	sun	NN
39142	1396	30	.	.	.
39142	1397	1	The	the	DT
39142	1397	2	standard	standard	JJ
39142	1397	3	candle	candle	NN
39142	1397	4	used	use	VBN
39142	1397	5	in	in	IN
39142	1397	6	physics	physics	NN
39142	1397	7	gives	give	VBZ
39142	1397	8	so	so	RB
39142	1397	9	little	little	JJ
39142	1397	10	light	light	NN
39142	1397	11	in	in	IN
39142	1397	12	comparison	comparison	NN
39142	1397	13	that	that	IN
39142	1397	14	we	-PRON-	PRP
39142	1397	15	have	have	VBP
39142	1397	16	to	to	TO
39142	1397	17	use	use	VB
39142	1397	18	an	an	DT
39142	1397	19	enormous	enormous	JJ
39142	1397	20	number	number	NN
39142	1397	21	to	to	TO
39142	1397	22	express	express	VB
39142	1397	23	the	the	DT
39142	1397	24	quantity	quantity	NN
39142	1397	25	of	of	IN
39142	1397	26	light	light	NN
39142	1397	27	that	that	WDT
39142	1397	28	the	the	DT
39142	1397	29	sun	sun	NN
39142	1397	30	gives	give	VBZ
39142	1397	31	.	.	.
39142	1398	1	A	a	DT
39142	1398	2	sperm	sperm	JJ
39142	1398	3	candle	candle	NN
39142	1398	4	burning	burn	VBG
39142	1398	5	120	120	CD
39142	1398	6	grains	grain	NNS
39142	1398	7	hourly	hourly	RB
39142	1398	8	is	be	VBZ
39142	1398	9	the	the	DT
39142	1398	10	standard	standard	NN
39142	1398	11	,	,	,
39142	1398	12	and	and	CC
39142	1398	13	if	if	IN
39142	1398	14	we	-PRON-	PRP
39142	1398	15	compare	compare	VBP
39142	1398	16	this	this	DT
39142	1398	17	with	with	IN
39142	1398	18	the	the	DT
39142	1398	19	sun	sun	NN
39142	1398	20	when	when	WRB
39142	1398	21	overhead	overhead	RB
39142	1398	22	,	,	,
39142	1398	23	and	and	CC
39142	1398	24	allow	allow	VB
39142	1398	25	for	for	IN
39142	1398	26	the	the	DT
39142	1398	27	light	light	NN
39142	1398	28	absorbed	absorb	VBN
39142	1398	29	by	by	IN
39142	1398	30	the	the	DT
39142	1398	31	atmosphere	atmosphere	NN
39142	1398	32	,	,	,
39142	1398	33	we	-PRON-	PRP
39142	1398	34	get	get	VBP
39142	1398	35	the	the	DT
39142	1398	36	number	number	NN
39142	1398	37	1575	1575	CD
39142	1398	38	with	with	IN
39142	1398	39	twenty	twenty	CD
39142	1398	40	-	-	HYPH
39142	1398	41	four	four	CD
39142	1398	42	ciphers	cipher	NNS
39142	1398	43	following	follow	VBG
39142	1398	44	it	-PRON-	PRP
39142	1398	45	,	,	,
39142	1398	46	to	to	TO
39142	1398	47	express	express	VB
39142	1398	48	the	the	DT
39142	1398	49	candlepower	candlepower	NN
39142	1398	50	of	of	IN
39142	1398	51	the	the	DT
39142	1398	52	sun	sun	NN
39142	1398	53	's	's	POS
39142	1398	54	light	light	NN
39142	1398	55	.	.	.
39142	1399	1	If	if	IN
39142	1399	2	we	-PRON-	PRP
39142	1399	3	interpose	interpose	VBP
39142	1399	4	the	the	DT
39142	1399	5	intense	intense	JJ
39142	1399	6	calcium	calcium	NN
39142	1399	7	light	light	NN
39142	1399	8	or	or	CC
39142	1399	9	an	an	DT
39142	1399	10	electric	electric	JJ
39142	1399	11	arc	arc	NN
39142	1399	12	light	light	NN
39142	1399	13	between	between	IN
39142	1399	14	the	the	DT
39142	1399	15	eye	eye	NN
39142	1399	16	and	and	CC
39142	1399	17	the	the	DT
39142	1399	18	sun	sun	NN
39142	1399	19	,	,	,
39142	1399	20	these	these	DT
39142	1399	21	artificial	artificial	JJ
39142	1399	22	sources	source	NNS
39142	1399	23	will	will	MD
39142	1399	24	look	look	VB
39142	1399	25	like	like	IN
39142	1399	26	black	black	JJ
39142	1399	27	spots	spot	NNS
39142	1399	28	on	on	IN
39142	1399	29	the	the	DT
39142	1399	30	disk	disk	NN
39142	1399	31	.	.	.
39142	1400	1	Indeed	indeed	RB
39142	1400	2	,	,	,
39142	1400	3	the	the	DT
39142	1400	4	sun	sun	NN
39142	1400	5	is	be	VBZ
39142	1400	6	nearly	nearly	RB
39142	1400	7	four	four	CD
39142	1400	8	times	time	NNS
39142	1400	9	brighter	bright	JJR
39142	1400	10	than	than	IN
39142	1400	11	the	the	DT
39142	1400	12	"	"	``
39142	1400	13	crater	crater	NN
39142	1400	14	,	,	,
39142	1400	15	"	"	''
39142	1400	16	or	or	CC
39142	1400	17	brightest	bright	JJS
39142	1400	18	part	part	NN
39142	1400	19	of	of	IN
39142	1400	20	the	the	DT
39142	1400	21	electric	electric	JJ
39142	1400	22	arc	arc	NN
39142	1400	23	.	.	.
39142	1401	1	The	the	DT
39142	1401	2	late	late	JJ
39142	1401	3	Professor	Professor	NNP
39142	1401	4	Langley	Langley	NNP
39142	1401	5	at	at	IN
39142	1401	6	a	a	DT
39142	1401	7	steel	steel	NN
39142	1401	8	works	work	VBZ
39142	1401	9	in	in	IN
39142	1401	10	Pennsylvania	Pennsylvania	NNP
39142	1401	11	once	once	RB
39142	1401	12	compared	compare	VBD
39142	1401	13	direct	direct	JJ
39142	1401	14	sunlight	sunlight	NN
39142	1401	15	with	with	IN
39142	1401	16	the	the	DT
39142	1401	17	dazzling	dazzling	JJ
39142	1401	18	stream	stream	NN
39142	1401	19	of	of	IN
39142	1401	20	molten	molten	JJ
39142	1401	21	metal	metal	NN
39142	1401	22	from	from	IN
39142	1401	23	a	a	DT
39142	1401	24	Bessemer	Bessemer	NNP
39142	1401	25	converter	converter	NN
39142	1401	26	;	;	:
39142	1401	27	but	but	CC
39142	1401	28	bright	bright	JJ
39142	1401	29	as	as	IN
39142	1401	30	it	-PRON-	PRP
39142	1401	31	was	be	VBD
39142	1401	32	,	,	,
39142	1401	33	sunlight	sunlight	NN
39142	1401	34	was	be	VBD
39142	1401	35	found	find	VBN
39142	1401	36	to	to	TO
39142	1401	37	be	be	VB
39142	1401	38	five	five	CD
39142	1401	39	thousand	thousand	CD
39142	1401	40	times	time	NNS
39142	1401	41	brighter	bright	JJR
39142	1401	42	.	.	.
39142	1402	1	Equally	equally	RB
39142	1402	2	enormous	enormous	JJ
39142	1402	3	is	be	VBZ
39142	1402	4	the	the	DT
39142	1402	5	heat	heat	NN
39142	1402	6	of	of	IN
39142	1402	7	the	the	DT
39142	1402	8	sun	sun	NN
39142	1402	9	.	.	.
39142	1403	1	Our	-PRON-	PRP$
39142	1403	2	intensest	intense	JJS
39142	1403	3	sources	source	NNS
39142	1403	4	of	of	IN
39142	1403	5	artificial	artificial	JJ
39142	1403	6	heat	heat	NN
39142	1403	7	do	do	VBP
39142	1403	8	not	not	RB
39142	1403	9	exceed	exceed	VB
39142	1403	10	4,000	4,000	CD
39142	1403	11	degrees	degree	NNS
39142	1403	12	Fahrenheit	Fahrenheit	NNP
39142	1403	13	,	,	,
39142	1403	14	but	but	CC
39142	1403	15	the	the	DT
39142	1403	16	temperature	temperature	NN
39142	1403	17	at	at	IN
39142	1403	18	the	the	DT
39142	1403	19	sun	sun	NN
39142	1403	20	's	's	POS
39142	1403	21	surface	surface	NN
39142	1403	22	is	be	VBZ
39142	1403	23	probably	probably	RB
39142	1403	24	not	not	RB
39142	1403	25	less	less	JJR
39142	1403	26	than	than	IN
39142	1403	27	16,000	16,000	CD
39142	1403	28	degrees	degree	NNS
39142	1403	29	F.	F.	NNP
39142	1403	30	One	one	CD
39142	1403	31	square	square	JJ
39142	1403	32	meter	meter	NN
39142	1403	33	of	of	IN
39142	1403	34	his	-PRON-	PRP$
39142	1403	35	surface	surface	NN
39142	1403	36	radiates	radiate	NNS
39142	1403	37	enough	enough	JJ
39142	1403	38	heat	heat	NN
39142	1403	39	to	to	TO
39142	1403	40	generate	generate	VB
39142	1403	41	100,000	100,000	CD
39142	1403	42	horsepower	horsepower	NN
39142	1403	43	continuously	continuously	RB
39142	1403	44	.	.	.
39142	1404	1	At	at	IN
39142	1404	2	our	-PRON-	PRP$
39142	1404	3	vast	vast	JJ
39142	1404	4	distance	distance	NN
39142	1404	5	of	of	IN
39142	1404	6	93	93	CD
39142	1404	7	millions	million	NNS
39142	1404	8	of	of	IN
39142	1404	9	miles	mile	NNS
39142	1404	10	,	,	,
39142	1404	11	the	the	DT
39142	1404	12	sun	sun	NN
39142	1404	13	's	's	POS
39142	1404	14	heat	heat	NN
39142	1404	15	received	receive	VBN
39142	1404	16	by	by	IN
39142	1404	17	the	the	DT
39142	1404	18	earth	earth	NN
39142	1404	19	is	be	VBZ
39142	1404	20	still	still	RB
39142	1404	21	powerful	powerful	JJ
39142	1404	22	enough	enough	RB
39142	1404	23	to	to	TO
39142	1404	24	melt	melt	VB
39142	1404	25	annually	annually	RB
39142	1404	26	a	a	DT
39142	1404	27	layer	layer	NN
39142	1404	28	of	of	IN
39142	1404	29	ice	ice	NN
39142	1404	30	on	on	IN
39142	1404	31	the	the	DT
39142	1404	32	earth	earth	NN
39142	1404	33	more	more	JJR
39142	1404	34	than	than	IN
39142	1404	35	a	a	DT
39142	1404	36	hundred	hundred	CD
39142	1404	37	feet	foot	NNS
39142	1404	38	in	in	IN
39142	1404	39	thickness	thickness	NN
39142	1404	40	.	.	.
39142	1405	1	If	if	IN
39142	1405	2	the	the	DT
39142	1405	3	solar	solar	JJ
39142	1405	4	heat	heat	NN
39142	1405	5	that	that	WDT
39142	1405	6	strikes	strike	VBZ
39142	1405	7	the	the	DT
39142	1405	8	deck	deck	NN
39142	1405	9	of	of	IN
39142	1405	10	a	a	DT
39142	1405	11	tropical	tropical	JJ
39142	1405	12	steamship	steamship	NN
39142	1405	13	could	could	MD
39142	1405	14	be	be	VB
39142	1405	15	fully	fully	RB
39142	1405	16	utilized	utilize	VBN
39142	1405	17	in	in	IN
39142	1405	18	propelling	propel	VBG
39142	1405	19	it	-PRON-	PRP
39142	1405	20	,	,	,
39142	1405	21	the	the	DT
39142	1405	22	speed	speed	NN
39142	1405	23	would	would	MD
39142	1405	24	reach	reach	VB
39142	1405	25	at	at	IN
39142	1405	26	least	least	JJS
39142	1405	27	ten	ten	CD
39142	1405	28	knots	knot	NNS
39142	1405	29	.	.	.
39142	1406	1	Many	many	JJ
39142	1406	2	attempts	attempt	NNS
39142	1406	3	have	have	VBP
39142	1406	4	been	be	VBN
39142	1406	5	made	make	VBN
39142	1406	6	in	in	IN
39142	1406	7	tropical	tropical	JJ
39142	1406	8	and	and	CC
39142	1406	9	sub	sub	JJ
39142	1406	10	-	-	JJ
39142	1406	11	tropical	tropical	JJ
39142	1406	12	climates	climate	NNS
39142	1406	13	to	to	TO
39142	1406	14	utilize	utilize	VB
39142	1406	15	the	the	DT
39142	1406	16	sun	sun	NN
39142	1406	17	's	's	POS
39142	1406	18	heat	heat	NN
39142	1406	19	directly	directly	RB
39142	1406	20	for	for	IN
39142	1406	21	power	power	NN
39142	1406	22	,	,	,
39142	1406	23	and	and	CC
39142	1406	24	Ericsson	Ericsson	NNP
39142	1406	25	in	in	IN
39142	1406	26	Sweden	Sweden	NNP
39142	1406	27	,	,	,
39142	1406	28	Mouchot	Mouchot	NNP
39142	1406	29	in	in	IN
39142	1406	30	France	France	NNP
39142	1406	31	,	,	,
39142	1406	32	and	and	CC
39142	1406	33	Shuman	Shuman	NNP
39142	1406	34	in	in	IN
39142	1406	35	Egypt	Egypt	NNP
39142	1406	36	have	have	VBP
39142	1406	37	built	build	VBN
39142	1406	38	successful	successful	JJ
39142	1406	39	and	and	CC
39142	1406	40	efficient	efficient	JJ
39142	1406	41	solar	solar	JJ
39142	1406	42	engines	engine	NNS
39142	1406	43	.	.	.
39142	1407	1	Necessary	necessary	JJ
39142	1407	2	intermission	intermission	NN
39142	1407	3	of	of	IN
39142	1407	4	their	-PRON-	PRP$
39142	1407	5	power	power	NN
39142	1407	6	at	at	IN
39142	1407	7	night	night	NN
39142	1407	8	,	,	,
39142	1407	9	as	as	RB
39142	1407	10	well	well	RB
39142	1407	11	as	as	IN
39142	1407	12	on	on	IN
39142	1407	13	cloudy	cloudy	JJ
39142	1407	14	days	day	NNS
39142	1407	15	,	,	,
39142	1407	16	will	will	MD
39142	1407	17	preclude	preclude	VB
39142	1407	18	their	-PRON-	PRP$
39142	1407	19	industrial	industrial	JJ
39142	1407	20	introduction	introduction	NN
39142	1407	21	until	until	IN
39142	1407	22	present	present	JJ
39142	1407	23	fuels	fuel	NNS
39142	1407	24	have	have	VBP
39142	1407	25	advanced	advance	VBN
39142	1407	26	very	very	RB
39142	1407	27	greatly	greatly	RB
39142	1407	28	in	in	IN
39142	1407	29	cost	cost	NN
39142	1407	30	.	.	.
39142	1408	1	All	all	DT
39142	1408	2	regions	region	NNS
39142	1408	3	of	of	IN
39142	1408	4	the	the	DT
39142	1408	5	sun	sun	NN
39142	1408	6	's	's	POS
39142	1408	7	disk	disk	NN
39142	1408	8	radiate	radiate	VBP
39142	1408	9	heat	heat	NN
39142	1408	10	uniformly	uniformly	RB
39142	1408	11	,	,	,
39142	1408	12	and	and	CC
39142	1408	13	the	the	DT
39142	1408	14	sun	sun	NN
39142	1408	15	's	's	POS
39142	1408	16	own	own	JJ
39142	1408	17	atmosphere	atmosphere	NN
39142	1408	18	absorbs	absorb	VBZ
39142	1408	19	so	so	RB
39142	1408	20	much	much	JJ
39142	1408	21	that	that	IN
39142	1408	22	we	-PRON-	PRP
39142	1408	23	should	should	MD
39142	1408	24	receive	receive	VB
39142	1408	25	1.7	1.7	CD
39142	1408	26	times	time	NNS
39142	1408	27	more	more	JJR
39142	1408	28	heat	heat	NN
39142	1408	29	if	if	IN
39142	1408	30	it	-PRON-	PRP
39142	1408	31	were	be	VBD
39142	1408	32	removed	remove	VBN
39142	1408	33	.	.	.
39142	1409	1	So	so	RB
39142	1409	2	far	far	RB
39142	1409	3	as	as	IN
39142	1409	4	is	be	VBZ
39142	1409	5	known	know	VBN
39142	1409	6	,	,	,
39142	1409	7	solar	solar	JJ
39142	1409	8	light	light	NN
39142	1409	9	and	and	CC
39142	1409	10	heat	heat	NN
39142	1409	11	are	be	VBP
39142	1409	12	radiated	radiate	VBN
39142	1409	13	equally	equally	RB
39142	1409	14	in	in	IN
39142	1409	15	all	all	DT
39142	1409	16	directions	direction	NNS
39142	1409	17	,	,	,
39142	1409	18	so	so	IN
39142	1409	19	that	that	IN
39142	1409	20	only	only	RB
39142	1409	21	a	a	DT
39142	1409	22	very	very	RB
39142	1409	23	minute	minute	JJ
39142	1409	24	fraction	fraction	NN
39142	1409	25	of	of	IN
39142	1409	26	the	the	DT
39142	1409	27	total	total	JJ
39142	1409	28	amount	amount	NN
39142	1409	29	ever	ever	RB
39142	1409	30	reaches	reach	VBZ
39142	1409	31	the	the	DT
39142	1409	32	earth	earth	NN
39142	1409	33	,	,	,
39142	1409	34	that	that	RB
39142	1409	35	is	is	RB
39142	1409	36	,	,	,
39142	1409	37	1	1	CD
39142	1409	38	2200	2200	CD
39142	1409	39	millionth	millionth	JJ
39142	1409	40	part	part	NN
39142	1409	41	of	of	IN
39142	1409	42	the	the	DT
39142	1409	43	whole	whole	NN
39142	1409	44	.	.	.
39142	1410	1	Indeed	indeed	RB
39142	1410	2	all	all	PDT
39142	1410	3	the	the	DT
39142	1410	4	planets	planet	NNS
39142	1410	5	and	and	CC
39142	1410	6	other	other	JJ
39142	1410	7	bodies	body	NNS
39142	1410	8	of	of	IN
39142	1410	9	the	the	DT
39142	1410	10	solar	solar	JJ
39142	1410	11	system	system	NN
39142	1410	12	together	together	RB
39142	1410	13	receive	receive	VB
39142	1410	14	only	only	RB
39142	1410	15	one	one	CD
39142	1410	16	one	one	CD
39142	1410	17	hundred	hundred	CD
39142	1410	18	millionth	millionth	NN
39142	1410	19	part	part	NN
39142	1410	20	;	;	:
39142	1410	21	the	the	DT
39142	1410	22	vast	vast	JJ
39142	1410	23	remainder	remainder	NN
39142	1410	24	is	be	VBZ
39142	1410	25	,	,	,
39142	1410	26	so	so	RB
39142	1410	27	far	far	RB
39142	1410	28	as	as	IN
39142	1410	29	we	-PRON-	PRP
39142	1410	30	know	know	VBP
39142	1410	31	,	,	,
39142	1410	32	effectively	effectively	RB
39142	1410	33	wasted	waste	VBN
39142	1410	34	.	.	.
39142	1411	1	It	-PRON-	PRP
39142	1411	2	is	be	VBZ
39142	1411	3	transformed	transform	VBN
39142	1411	4	,	,	,
39142	1411	5	but	but	CC
39142	1411	6	what	what	WP
39142	1411	7	becomes	become	VBZ
39142	1411	8	of	of	IN
39142	1411	9	it	-PRON-	PRP
39142	1411	10	,	,	,
39142	1411	11	and	and	CC
39142	1411	12	whether	whether	IN
39142	1411	13	it	-PRON-	PRP
39142	1411	14	ever	ever	RB
39142	1411	15	reappears	reappear	VBZ
39142	1411	16	in	in	IN
39142	1411	17	any	any	DT
39142	1411	18	other	other	JJ
39142	1411	19	form	form	NN
39142	1411	20	,	,	,
39142	1411	21	we	-PRON-	PRP
39142	1411	22	can	can	MD
39142	1411	23	not	not	RB
39142	1411	24	say	say	VB
39142	1411	25	.	.	.
39142	1412	1	How	how	WRB
39142	1412	2	is	be	VBZ
39142	1412	3	this	this	DT
39142	1412	4	inconceivably	inconceivably	RB
39142	1412	5	vast	vast	JJ
39142	1412	6	output	output	NN
39142	1412	7	of	of	IN
39142	1412	8	energy	energy	NN
39142	1412	9	maintained	maintain	VBN
39142	1412	10	practically	practically	RB
39142	1412	11	invariable	invariable	JJ
39142	1412	12	throughout	throughout	IN
39142	1412	13	the	the	DT
39142	1412	14	centuries	century	NNS
39142	1412	15	?	?	.
39142	1413	1	Many	many	JJ
39142	1413	2	theories	theory	NNS
39142	1413	3	have	have	VBP
39142	1413	4	been	be	VBN
39142	1413	5	advanced	advance	VBN
39142	1413	6	,	,	,
39142	1413	7	but	but	CC
39142	1413	8	only	only	RB
39142	1413	9	one	one	PRP
39142	1413	10	has	have	VBZ
39142	1413	11	received	receive	VBN
39142	1413	12	nearly	nearly	RB
39142	1413	13	universal	universal	JJ
39142	1413	14	assent	assent	NN
39142	1413	15	,	,	,
39142	1413	16	that	that	DT
39142	1413	17	of	of	IN
39142	1413	18	secular	secular	JJ
39142	1413	19	contraction	contraction	NN
39142	1413	20	of	of	IN
39142	1413	21	the	the	DT
39142	1413	22	sun	sun	NN
39142	1413	23	's	's	POS
39142	1413	24	huge	huge	JJ
39142	1413	25	mass	mass	NN
39142	1413	26	upon	upon	IN
39142	1413	27	itself	-PRON-	PRP
39142	1413	28	.	.	.
39142	1414	1	Shrinkage	shrinkage	NN
39142	1414	2	means	mean	VBZ
39142	1414	3	evolution	evolution	NN
39142	1414	4	of	of	IN
39142	1414	5	heat	heat	NN
39142	1414	6	;	;	:
39142	1414	7	and	and	CC
39142	1414	8	it	-PRON-	PRP
39142	1414	9	is	be	VBZ
39142	1414	10	found	find	VBN
39142	1414	11	by	by	IN
39142	1414	12	calculation	calculation	NN
39142	1414	13	that	that	IN
39142	1414	14	if	if	IN
39142	1414	15	the	the	DT
39142	1414	16	sun	sun	NN
39142	1414	17	were	be	VBD
39142	1414	18	to	to	TO
39142	1414	19	contract	contract	VB
39142	1414	20	its	-PRON-	PRP$
39142	1414	21	diameter	diameter	NN
39142	1414	22	by	by	IN
39142	1414	23	shrinking	shrink	VBG
39142	1414	24	only	only	RB
39142	1414	25	two	two	CD
39142	1414	26	-	-	HYPH
39142	1414	27	hundred	hundred	CD
39142	1414	28	and	and	CC
39142	1414	29	fifty	fifty	CD
39142	1414	30	feet	foot	NNS
39142	1414	31	per	per	IN
39142	1414	32	year	year	NN
39142	1414	33	,	,	,
39142	1414	34	the	the	DT
39142	1414	35	entire	entire	JJ
39142	1414	36	output	output	NN
39142	1414	37	of	of	IN
39142	1414	38	solar	solar	JJ
39142	1414	39	heat	heat	NN
39142	1414	40	might	may	MD
39142	1414	41	thus	thus	RB
39142	1414	42	be	be	VB
39142	1414	43	accounted	account	VBN
39142	1414	44	for	for	IN
39142	1414	45	.	.	.
39142	1415	1	So	so	RB
39142	1415	2	distant	distant	JJ
39142	1415	3	is	be	VBZ
39142	1415	4	the	the	DT
39142	1415	5	sun	sun	NN
39142	1415	6	and	and	CC
39142	1415	7	so	so	RB
39142	1415	8	slow	slow	JJ
39142	1415	9	this	this	DT
39142	1415	10	rate	rate	NN
39142	1415	11	of	of	IN
39142	1415	12	contraction	contraction	NN
39142	1415	13	that	that	WDT
39142	1415	14	centuries	century	NNS
39142	1415	15	must	must	MD
39142	1415	16	elapse	elapse	VB
39142	1415	17	before	before	IN
39142	1415	18	we	-PRON-	PRP
39142	1415	19	could	could	MD
39142	1415	20	verify	verify	VB
39142	1415	21	the	the	DT
39142	1415	22	theory	theory	NN
39142	1415	23	by	by	IN
39142	1415	24	actual	actual	JJ
39142	1415	25	measurements	measurement	NNS
39142	1415	26	.	.	.
39142	1416	1	Meanwhile	meanwhile	RB
39142	1416	2	,	,	,
39142	1416	3	the	the	DT
39142	1416	4	progress	progress	NN
39142	1416	5	of	of	IN
39142	1416	6	physical	physical	JJ
39142	1416	7	research	research	NN
39142	1416	8	on	on	IN
39142	1416	9	the	the	DT
39142	1416	10	structure	structure	NN
39142	1416	11	and	and	CC
39142	1416	12	elemental	elemental	JJ
39142	1416	13	properties	property	NNS
39142	1416	14	of	of	IN
39142	1416	15	matter	matter	NN
39142	1416	16	has	have	VBZ
39142	1416	17	brought	bring	VBN
39142	1416	18	to	to	TO
39142	1416	19	light	light	VB
39142	1416	20	the	the	DT
39142	1416	21	existence	existence	NN
39142	1416	22	of	of	IN
39142	1416	23	highly	highly	RB
39142	1416	24	active	active	JJ
39142	1416	25	internal	internal	JJ
39142	1416	26	forces	force	NNS
39142	1416	27	which	which	WDT
39142	1416	28	are	be	VBP
39142	1416	29	doubtless	doubtless	RB
39142	1416	30	intimately	intimately	RB
39142	1416	31	concerned	concern	VBN
39142	1416	32	in	in	IN
39142	1416	33	the	the	DT
39142	1416	34	enormous	enormous	JJ
39142	1416	35	output	output	NN
39142	1416	36	of	of	IN
39142	1416	37	radiant	radiant	JJ
39142	1416	38	energy	energy	NN
39142	1416	39	,	,	,
39142	1416	40	though	though	IN
39142	1416	41	the	the	DT
39142	1416	42	mechanism	mechanism	NN
39142	1416	43	of	of	IN
39142	1416	44	its	-PRON-	PRP$
39142	1416	45	maintenance	maintenance	NN
39142	1416	46	is	be	VBZ
39142	1416	47	as	as	RB
39142	1416	48	yet	yet	RB
39142	1416	49	known	know	VBN
39142	1416	50	only	only	RB
39142	1416	51	in	in	IN
39142	1416	52	part	part	NN
39142	1416	53	.	.	.
39142	1417	1	Abbot	Abbot	NNP
39142	1417	2	,	,	,
39142	1417	3	from	from	IN
39142	1417	4	many	many	JJ
39142	1417	5	years	year	NNS
39142	1417	6	'	'	POS
39142	1417	7	observations	observation	NNS
39142	1417	8	of	of	IN
39142	1417	9	the	the	DT
39142	1417	10	solar	solar	JJ
39142	1417	11	constant	constant	NN
39142	1417	12	,	,	,
39142	1417	13	at	at	IN
39142	1417	14	Washington	Washington	NNP
39142	1417	15	,	,	,
39142	1417	16	on	on	IN
39142	1417	17	Mount	Mount	NNP
39142	1417	18	Wilson	Wilson	NNP
39142	1417	19	,	,	,
39142	1417	20	and	and	CC
39142	1417	21	in	in	IN
39142	1417	22	Algeria	Algeria	NNP
39142	1417	23	,	,	,
39142	1417	24	finds	find	VBZ
39142	1417	25	certain	certain	JJ
39142	1417	26	evidence	evidence	NN
39142	1417	27	of	of	IN
39142	1417	28	fluctuation	fluctuation	NN
39142	1417	29	in	in	IN
39142	1417	30	the	the	DT
39142	1417	31	solar	solar	JJ
39142	1417	32	heat	heat	NN
39142	1417	33	received	receive	VBN
39142	1417	34	by	by	IN
39142	1417	35	the	the	DT
39142	1417	36	earth	earth	NN
39142	1417	37	.	.	.
39142	1418	1	It	-PRON-	PRP
39142	1418	2	can	can	MD
39142	1418	3	not	not	RB
39142	1418	4	be	be	VB
39142	1418	5	a	a	DT
39142	1418	6	local	local	JJ
39142	1418	7	phenomenon	phenomenon	NN
39142	1418	8	due	due	IN
39142	1418	9	to	to	IN
39142	1418	10	disturbances	disturbance	NNS
39142	1418	11	in	in	IN
39142	1418	12	our	-PRON-	PRP$
39142	1418	13	atmosphere	atmosphere	NN
39142	1418	14	,	,	,
39142	1418	15	but	but	CC
39142	1418	16	must	must	MD
39142	1418	17	originate	originate	VB
39142	1418	18	in	in	IN
39142	1418	19	causes	cause	NNS
39142	1418	20	entirely	entirely	RB
39142	1418	21	extraneous	extraneous	JJ
39142	1418	22	to	to	IN
39142	1418	23	the	the	DT
39142	1418	24	earth	earth	NN
39142	1418	25	.	.	.
39142	1419	1	Interposition	interposition	NN
39142	1419	2	of	of	IN
39142	1419	3	meteoric	meteoric	JJ
39142	1419	4	dust	dust	NN
39142	1419	5	might	may	MD
39142	1419	6	conceivably	conceivably	RB
39142	1419	7	account	account	VB
39142	1419	8	for	for	IN
39142	1419	9	it	-PRON-	PRP
39142	1419	10	,	,	,
39142	1419	11	but	but	CC
39142	1419	12	there	there	EX
39142	1419	13	is	be	VBZ
39142	1419	14	sufficient	sufficient	JJ
39142	1419	15	evidence	evidence	NN
39142	1419	16	to	to	TO
39142	1419	17	show	show	VB
39142	1419	18	that	that	IN
39142	1419	19	the	the	DT
39142	1419	20	changes	change	NNS
39142	1419	21	must	must	MD
39142	1419	22	be	be	VB
39142	1419	23	attributed	attribute	VBN
39142	1419	24	to	to	IN
39142	1419	25	the	the	DT
39142	1419	26	sun	sun	NN
39142	1419	27	itself	-PRON-	PRP
39142	1419	28	.	.	.
39142	1420	1	The	the	DT
39142	1420	2	sun	sun	NN
39142	1420	3	,	,	,
39142	1420	4	then	then	RB
39142	1420	5	,	,	,
39142	1420	6	is	be	VBZ
39142	1420	7	a	a	DT
39142	1420	8	variable	variable	JJ
39142	1420	9	star	star	NN
39142	1420	10	;	;	:
39142	1420	11	and	and	CC
39142	1420	12	it	-PRON-	PRP
39142	1420	13	has	have	VBZ
39142	1420	14	not	not	RB
39142	1420	15	only	only	RB
39142	1420	16	a	a	DT
39142	1420	17	period	period	NN
39142	1420	18	connected	connect	VBN
39142	1420	19	with	with	IN
39142	1420	20	the	the	DT
39142	1420	21	periodicity	periodicity	NN
39142	1420	22	of	of	IN
39142	1420	23	the	the	DT
39142	1420	24	sun	sun	NN
39142	1420	25	spots	spot	NNS
39142	1420	26	,	,	,
39142	1420	27	but	but	CC
39142	1420	28	also	also	RB
39142	1420	29	an	an	DT
39142	1420	30	irregular	irregular	JJ
39142	1420	31	,	,	,
39142	1420	32	nonperiodic	nonperiodic	JJ
39142	1420	33	variation	variation	NN
39142	1420	34	during	during	IN
39142	1420	35	a	a	DT
39142	1420	36	cycle	cycle	NN
39142	1420	37	of	of	IN
39142	1420	38	a	a	DT
39142	1420	39	week	week	NN
39142	1420	40	or	or	CC
39142	1420	41	ten	ten	CD
39142	1420	42	days	day	NNS
39142	1420	43	,	,	,
39142	1420	44	though	though	IN
39142	1420	45	sometimes	sometimes	RB
39142	1420	46	longer	long	RBR
39142	1420	47	,	,	,
39142	1420	48	and	and	CC
39142	1420	49	occasioning	occasion	VBG
39142	1420	50	irregular	irregular	JJ
39142	1420	51	fluctuations	fluctuation	NNS
39142	1420	52	of	of	IN
39142	1420	53	two	two	CD
39142	1420	54	to	to	TO
39142	1420	55	ten	ten	CD
39142	1420	56	per	per	IN
39142	1420	57	cent	cent	NN
39142	1420	58	of	of	IN
39142	1420	59	the	the	DT
39142	1420	60	total	total	JJ
39142	1420	61	radiation	radiation	NN
39142	1420	62	.	.	.
39142	1421	1	Radiation	radiation	NN
39142	1421	2	is	be	VBZ
39142	1421	3	found	find	VBN
39142	1421	4	to	to	TO
39142	1421	5	increase	increase	VB
39142	1421	6	with	with	IN
39142	1421	7	the	the	DT
39142	1421	8	spottedness	spottedness	NN
39142	1421	9	.	.	.
39142	1422	1	Attempts	attempt	NNS
39142	1422	2	have	have	VBP
39142	1422	3	been	be	VBN
39142	1422	4	made	make	VBN
39142	1422	5	on	on	IN
39142	1422	6	the	the	DT
39142	1422	7	basis	basis	NN
39142	1422	8	of	of	IN
39142	1422	9	the	the	DT
39142	1422	10	contraction	contraction	NN
39142	1422	11	theory	theory	NN
39142	1422	12	to	to	TO
39142	1422	13	find	find	VB
39142	1422	14	out	out	RP
39142	1422	15	the	the	DT
39142	1422	16	past	past	JJ
39142	1422	17	history	history	NN
39142	1422	18	of	of	IN
39142	1422	19	the	the	DT
39142	1422	20	sun	sun	NN
39142	1422	21	and	and	CC
39142	1422	22	to	to	TO
39142	1422	23	predict	predict	VB
39142	1422	24	its	-PRON-	PRP$
39142	1422	25	future	future	NN
39142	1422	26	.	.	.
39142	1423	1	Probably	probably	RB
39142	1423	2	20	20	CD
39142	1423	3	to	to	TO
39142	1423	4	50	50	CD
39142	1423	5	millions	million	NNS
39142	1423	6	of	of	IN
39142	1423	7	years	year	NNS
39142	1423	8	in	in	IN
39142	1423	9	the	the	DT
39142	1423	10	past	past	NN
39142	1423	11	represents	represent	VBZ
39142	1423	12	the	the	DT
39142	1423	13	life	life	NN
39142	1423	14	of	of	IN
39142	1423	15	the	the	DT
39142	1423	16	sun	sun	NN
39142	1423	17	much	much	RB
39142	1423	18	as	as	IN
39142	1423	19	it	-PRON-	PRP
39142	1423	20	is	be	VBZ
39142	1423	21	at	at	IN
39142	1423	22	present	present	JJ
39142	1423	23	;	;	:
39142	1423	24	and	and	CC
39142	1423	25	if	if	IN
39142	1423	26	solar	solar	JJ
39142	1423	27	radiation	radiation	NN
39142	1423	28	in	in	IN
39142	1423	29	the	the	DT
39142	1423	30	future	future	NN
39142	1423	31	is	be	VBZ
39142	1423	32	maintained	maintain	VBN
39142	1423	33	substantially	substantially	RB
39142	1423	34	as	as	IN
39142	1423	35	now	now	RB
39142	1423	36	,	,	,
39142	1423	37	the	the	DT
39142	1423	38	sun	sun	NN
39142	1423	39	will	will	MD
39142	1423	40	have	have	VB
39142	1423	41	shrunk	shrink	VBN
39142	1423	42	to	to	IN
39142	1423	43	one	one	CD
39142	1423	44	-	-	HYPH
39142	1423	45	half	half	NN
39142	1423	46	its	-PRON-	PRP$
39142	1423	47	present	present	JJ
39142	1423	48	diameter	diameter	NN
39142	1423	49	in	in	IN
39142	1423	50	the	the	DT
39142	1423	51	next	next	JJ
39142	1423	52	five	five	CD
39142	1423	53	million	million	CD
39142	1423	54	years	year	NNS
39142	1423	55	.	.	.
39142	1424	1	So	so	RB
39142	1424	2	far	far	RB
39142	1424	3	then	then	RB
39142	1424	4	as	as	IN
39142	1424	5	heat	heat	NN
39142	1424	6	and	and	CC
39142	1424	7	light	light	NN
39142	1424	8	from	from	IN
39142	1424	9	the	the	DT
39142	1424	10	sun	sun	NN
39142	1424	11	are	be	VBP
39142	1424	12	concerned	concern	VBN
39142	1424	13	,	,	,
39142	1424	14	the	the	DT
39142	1424	15	sun	sun	NN
39142	1424	16	may	may	MD
39142	1424	17	continue	continue	VB
39142	1424	18	to	to	TO
39142	1424	19	support	support	VB
39142	1424	20	life	life	NN
39142	1424	21	on	on	IN
39142	1424	22	the	the	DT
39142	1424	23	earth	earth	NN
39142	1424	24	not	not	RB
39142	1424	25	to	to	TO
39142	1424	26	exceed	exceed	VB
39142	1424	27	ten	ten	CD
39142	1424	28	million	million	CD
39142	1424	29	years	year	NNS
39142	1424	30	in	in	IN
39142	1424	31	the	the	DT
39142	1424	32	future	future	NN
39142	1424	33	.	.	.
39142	1425	1	But	but	CC
39142	1425	2	the	the	DT
39142	1425	3	sun	sun	NN
39142	1425	4	's	's	POS
39142	1425	5	own	own	JJ
39142	1425	6	existence	existence	NN
39142	1425	7	,	,	,
39142	1425	8	independently	independently	RB
39142	1425	9	of	of	IN
39142	1425	10	the	the	DT
39142	1425	11	orbs	orb	NNS
39142	1425	12	of	of	IN
39142	1425	13	the	the	DT
39142	1425	14	system	system	NN
39142	1425	15	dependent	dependent	JJ
39142	1425	16	upon	upon	IN
39142	1425	17	it	-PRON-	PRP
39142	1425	18	,	,	,
39142	1425	19	might	may	MD
39142	1425	20	continue	continue	VB
39142	1425	21	for	for	IN
39142	1425	22	indefinite	indefinite	JJ
39142	1425	23	millions	million	NNS
39142	1425	24	of	of	IN
39142	1425	25	aeons	aeon	NNS
39142	1425	26	before	before	IN
39142	1425	27	it	-PRON-	PRP
39142	1425	28	would	would	MD
39142	1425	29	ever	ever	RB
39142	1425	30	become	become	VB
39142	1425	31	a	a	DT
39142	1425	32	cold	cold	JJ
39142	1425	33	dead	dead	JJ
39142	1425	34	globe	globe	NN
39142	1425	35	;	;	:
39142	1425	36	indeed	indeed	RB
39142	1425	37	,	,	,
39142	1425	38	in	in	IN
39142	1425	39	the	the	DT
39142	1425	40	present	present	JJ
39142	1425	41	state	state	NN
39142	1425	42	of	of	IN
39142	1425	43	science	science	NN
39142	1425	44	,	,	,
39142	1425	45	we	-PRON-	PRP
39142	1425	46	can	can	MD
39142	1425	47	not	not	RB
39142	1425	48	be	be	VB
39142	1425	49	sure	sure	JJ
39142	1425	50	that	that	IN
39142	1425	51	it	-PRON-	PRP
39142	1425	52	is	be	VBZ
39142	1425	53	destined	destine	VBN
39142	1425	54	to	to	TO
39142	1425	55	reach	reach	VB
39142	1425	56	that	that	DT
39142	1425	57	condition	condition	NN
39142	1425	58	within	within	IN
39142	1425	59	calculable	calculable	JJ
39142	1425	60	time	time	NN
39142	1425	61	.	.	.
39142	1426	1	A	a	DT
39142	1426	2	few	few	JJ
39142	1426	3	words	word	NNS
39142	1426	4	on	on	IN
39142	1426	5	observing	observe	VBG
39142	1426	6	the	the	DT
39142	1426	7	sun	sun	NN
39142	1426	8	,	,	,
39142	1426	9	an	an	DT
39142	1426	10	object	object	NN
39142	1426	11	much	much	RB
39142	1426	12	neglected	neglect	VBN
39142	1426	13	by	by	IN
39142	1426	14	amateurs	amateur	NNS
39142	1426	15	.	.	.
39142	1427	1	On	on	IN
39142	1427	2	account	account	NN
39142	1427	3	of	of	IN
39142	1427	4	the	the	DT
39142	1427	5	intense	intense	JJ
39142	1427	6	light	light	NN
39142	1427	7	,	,	,
39142	1427	8	a	a	DT
39142	1427	9	very	very	RB
39142	1427	10	slight	slight	JJ
39142	1427	11	degree	degree	NN
39142	1427	12	of	of	IN
39142	1427	13	optical	optical	JJ
39142	1427	14	power	power	NN
39142	1427	15	is	be	VBZ
39142	1427	16	sufficient	sufficient	JJ
39142	1427	17	.	.	.
39142	1428	1	Indeed	indeed	RB
39142	1428	2	a	a	DT
39142	1428	3	piece	piece	NN
39142	1428	4	of	of	IN
39142	1428	5	window	window	NN
39142	1428	6	glass	glass	NN
39142	1428	7	,	,	,
39142	1428	8	smoked	smoke	VBN
39142	1428	9	in	in	IN
39142	1428	10	a	a	DT
39142	1428	11	candle	candle	NN
39142	1428	12	flame	flame	NN
39142	1428	13	with	with	IN
39142	1428	14	uniform	uniform	JJ
39142	1428	15	graduation	graduation	NN
39142	1428	16	from	from	IN
39142	1428	17	end	end	NN
39142	1428	18	to	to	IN
39142	1428	19	end	end	NN
39142	1428	20	,	,	,
39142	1428	21	will	will	MD
39142	1428	22	be	be	VB
39142	1428	23	found	find	VBN
39142	1428	24	worth	worth	JJ
39142	1428	25	while	while	IN
39142	1428	26	in	in	IN
39142	1428	27	a	a	DT
39142	1428	28	beginner	beginner	NN
39142	1428	29	's	's	POS
39142	1428	30	daily	daily	JJ
39142	1428	31	observation	observation	NN
39142	1428	32	of	of	IN
39142	1428	33	the	the	DT
39142	1428	34	sun	sun	NN
39142	1428	35	.	.	.
39142	1429	1	The	the	DT
39142	1429	2	glass	glass	NN
39142	1429	3	should	should	MD
39142	1429	4	be	be	VB
39142	1429	5	smoked	smoke	VBN
39142	1429	6	densely	densely	RB
39142	1429	7	enough	enough	RB
39142	1429	8	at	at	IN
39142	1429	9	one	one	CD
39142	1429	10	end	end	NN
39142	1429	11	so	so	IN
39142	1429	12	that	that	IN
39142	1429	13	the	the	DT
39142	1429	14	sunlight	sunlight	NN
39142	1429	15	as	as	IN
39142	1429	16	seen	see	VBN
39142	1429	17	through	through	IN
39142	1429	18	it	-PRON-	PRP
39142	1429	19	will	will	MD
39142	1429	20	not	not	RB
39142	1429	21	dazzle	dazzle	VB
39142	1429	22	the	the	DT
39142	1429	23	eye	eye	NN
39142	1429	24	on	on	IN
39142	1429	25	the	the	DT
39142	1429	26	clearest	clear	JJS
39142	1429	27	days	day	NNS
39142	1429	28	.	.	.
39142	1430	1	At	at	IN
39142	1430	2	the	the	DT
39142	1430	3	other	other	JJ
39142	1430	4	end	end	NN
39142	1430	5	of	of	IN
39142	1430	6	the	the	DT
39142	1430	7	glass	glass	NN
39142	1430	8	,	,	,
39142	1430	9	the	the	DT
39142	1430	10	degree	degree	NN
39142	1430	11	of	of	IN
39142	1430	12	smoke	smoke	NN
39142	1430	13	film	film	NN
39142	1430	14	should	should	MD
39142	1430	15	not	not	RB
39142	1430	16	be	be	VB
39142	1430	17	quite	quite	RB
39142	1430	18	so	so	RB
39142	1430	19	dense	dense	JJ
39142	1430	20	,	,	,
39142	1430	21	so	so	IN
39142	1430	22	that	that	IN
39142	1430	23	the	the	DT
39142	1430	24	sun	sun	NN
39142	1430	25	can	can	MD
39142	1430	26	be	be	VB
39142	1430	27	examined	examine	VBN
39142	1430	28	on	on	IN
39142	1430	29	hazy	hazy	NNS
39142	1430	30	,	,	,
39142	1430	31	foggy	foggy	JJ
39142	1430	32	or	or	CC
39142	1430	33	partly	partly	RB
39142	1430	34	cloudy	cloudy	JJ
39142	1430	35	days	day	NNS
39142	1430	36	.	.	.
39142	1431	1	An	an	DT
39142	1431	2	occasional	occasional	JJ
39142	1431	3	naked	naked	JJ
39142	1431	4	-	-	HYPH
39142	1431	5	eye	eye	NN
39142	1431	6	spot	spot	NN
39142	1431	7	will	will	MD
39142	1431	8	reward	reward	VB
39142	1431	9	the	the	DT
39142	1431	10	patient	patient	JJ
39142	1431	11	observer	observer	NN
39142	1431	12	.	.	.
39142	1432	1	If	if	IN
39142	1432	2	a	a	DT
39142	1432	3	small	small	JJ
39142	1432	4	spyglass	spyglass	NN
39142	1432	5	,	,	,
39142	1432	6	opera	opera	NN
39142	1432	7	glass	glass	NN
39142	1432	8	or	or	CC
39142	1432	9	field	field	NN
39142	1432	10	glass	glass	NN
39142	1432	11	is	be	VBZ
39142	1432	12	at	at	IN
39142	1432	13	hand	hand	NN
39142	1432	14	,	,	,
39142	1432	15	excellent	excellent	JJ
39142	1432	16	views	view	NNS
39142	1432	17	of	of	IN
39142	1432	18	the	the	DT
39142	1432	19	sun	sun	NN
39142	1432	20	may	may	MD
39142	1432	21	be	be	VB
39142	1432	22	had	have	VBN
39142	1432	23	by	by	IN
39142	1432	24	mounting	mount	VBG
39142	1432	25	the	the	DT
39142	1432	26	glass	glass	NN
39142	1432	27	so	so	IN
39142	1432	28	that	that	IN
39142	1432	29	it	-PRON-	PRP
39142	1432	30	can	can	MD
39142	1432	31	be	be	VB
39142	1432	32	held	hold	VBN
39142	1432	33	steadily	steadily	RB
39142	1432	34	pointed	point	VBN
39142	1432	35	on	on	IN
39142	1432	36	the	the	DT
39142	1432	37	sun	sun	NN
39142	1432	38	,	,	,
39142	1432	39	and	and	CC
39142	1432	40	then	then	RB
39142	1432	41	viewing	view	VBG
39142	1432	42	the	the	DT
39142	1432	43	disk	disk	NN
39142	1432	44	by	by	IN
39142	1432	45	projection	projection	NN
39142	1432	46	on	on	IN
39142	1432	47	a	a	DT
39142	1432	48	white	white	JJ
39142	1432	49	card	card	NN
39142	1432	50	or	or	CC
39142	1432	51	sheet	sheet	NN
39142	1432	52	of	of	IN
39142	1432	53	paper	paper	NN
39142	1432	54	.	.	.
39142	1433	1	Care	care	NN
39142	1433	2	must	must	MD
39142	1433	3	be	be	VB
39142	1433	4	taken	take	VBN
39142	1433	5	to	to	TO
39142	1433	6	get	get	VB
39142	1433	7	a	a	DT
39142	1433	8	good	good	JJ
39142	1433	9	focus	focus	NN
39142	1433	10	on	on	IN
39142	1433	11	the	the	DT
39142	1433	12	projected	project	VBN
39142	1433	13	image	image	NN
39142	1433	14	,	,	,
39142	1433	15	and	and	CC
39142	1433	16	then	then	RB
39142	1433	17	the	the	DT
39142	1433	18	faculæ	faculæ	NN
39142	1433	19	,	,	,
39142	1433	20	or	or	CC
39142	1433	21	whitish	whitish	JJ
39142	1433	22	spots	spot	NNS
39142	1433	23	,	,	,
39142	1433	24	or	or	CC
39142	1433	25	mottling	mottle	VBG
39142	1433	26	nearer	nearer	VB
39142	1433	27	the	the	DT
39142	1433	28	sun	sun	NN
39142	1433	29	's	's	POS
39142	1433	30	edge	edge	NN
39142	1433	31	will	will	MD
39142	1433	32	usually	usually	RB
39142	1433	33	be	be	VB
39142	1433	34	well	well	RB
39142	1433	35	seen	see	VBN
39142	1433	36	.	.	.
39142	1434	1	By	by	IN
39142	1434	2	moving	move	VBG
39142	1434	3	the	the	DT
39142	1434	4	card	card	NN
39142	1434	5	farther	farther	RB
39142	1434	6	away	away	RB
39142	1434	7	from	from	IN
39142	1434	8	the	the	DT
39142	1434	9	eyepiece	eyepiece	NN
39142	1434	10	,	,	,
39142	1434	11	a	a	DT
39142	1434	12	larger	large	JJR
39142	1434	13	disk	disk	NN
39142	1434	14	may	may	MD
39142	1434	15	be	be	VB
39142	1434	16	obtained	obtain	VBN
39142	1434	17	,	,	,
39142	1434	18	in	in	IN
39142	1434	19	effect	effect	NN
39142	1434	20	a	a	DT
39142	1434	21	higher	high	JJR
39142	1434	22	degree	degree	NN
39142	1434	23	of	of	IN
39142	1434	24	magnification	magnification	NN
39142	1434	25	.	.	.
39142	1435	1	But	but	CC
39142	1435	2	care	care	NN
39142	1435	3	must	must	MD
39142	1435	4	be	be	VB
39142	1435	5	used	use	VBN
39142	1435	6	not	not	RB
39142	1435	7	to	to	TO
39142	1435	8	increase	increase	VB
39142	1435	9	it	-PRON-	PRP
39142	1435	10	too	too	RB
39142	1435	11	much	much	RB
39142	1435	12	.	.	.
39142	1436	1	Keep	keep	VB
39142	1436	2	direct	direct	JJ
39142	1436	3	sunlight	sunlight	NN
39142	1436	4	outside	outside	IN
39142	1436	5	the	the	DT
39142	1436	6	tube	tube	NN
39142	1436	7	from	from	IN
39142	1436	8	falling	fall	VBG
39142	1436	9	on	on	IN
39142	1436	10	the	the	DT
39142	1436	11	card	card	NN
39142	1436	12	where	where	WRB
39142	1436	13	the	the	DT
39142	1436	14	image	image	NN
39142	1436	15	is	be	VBZ
39142	1436	16	being	be	VBG
39142	1436	17	examined	examine	VBN
39142	1436	18	.	.	.
39142	1437	1	This	this	DT
39142	1437	2	is	be	VBZ
39142	1437	3	conveniently	conveniently	RB
39142	1437	4	done	do	VBN
39142	1437	5	by	by	IN
39142	1437	6	cutting	cut	VBG
39142	1437	7	a	a	DT
39142	1437	8	large	large	JJ
39142	1437	9	hole	hole	NN
39142	1437	10	,	,	,
39142	1437	11	the	the	DT
39142	1437	12	size	size	NN
39142	1437	13	of	of	IN
39142	1437	14	the	the	DT
39142	1437	15	brass	brass	NN
39142	1437	16	cell	cell	NN
39142	1437	17	of	of	IN
39142	1437	18	the	the	DT
39142	1437	19	object	object	NN
39142	1437	20	glass	glass	NN
39142	1437	21	,	,	,
39142	1437	22	through	through	IN
39142	1437	23	a	a	DT
39142	1437	24	sheet	sheet	NN
39142	1437	25	of	of	IN
39142	1437	26	corrugated	corrugate	VBN
39142	1437	27	strawboard	strawboard	NN
39142	1437	28	,	,	,
39142	1437	29	and	and	CC
39142	1437	30	slipping	slip	VBG
39142	1437	31	this	this	DT
39142	1437	32	on	on	RP
39142	1437	33	over	over	IN
39142	1437	34	the	the	DT
39142	1437	35	cell	cell	NN
39142	1437	36	.	.	.
39142	1438	1	In	in	IN
39142	1438	2	this	this	DT
39142	1438	3	way	way	NN
39142	1438	4	the	the	DT
39142	1438	5	spots	spot	NNS
39142	1438	6	on	on	IN
39142	1438	7	the	the	DT
39142	1438	8	sun	sun	NN
39142	1438	9	can	can	MD
39142	1438	10	be	be	VB
39142	1438	11	examined	examine	VBN
39142	1438	12	with	with	IN
39142	1438	13	ease	ease	NN
39142	1438	14	and	and	CC
39142	1438	15	safety	safety	NN
39142	1438	16	to	to	IN
39142	1438	17	the	the	DT
39142	1438	18	eye	eye	NN
39142	1438	19	.	.	.
39142	1439	1	For	for	IN
39142	1439	2	large	large	JJ
39142	1439	3	instruments	instrument	NNS
39142	1439	4	a	a	DT
39142	1439	5	special	special	JJ
39142	1439	6	type	type	NN
39142	1439	7	of	of	IN
39142	1439	8	eyepiece	eyepiece	NN
39142	1439	9	is	be	VBZ
39142	1439	10	provided	provide	VBN
39142	1439	11	known	know	VBN
39142	1439	12	as	as	IN
39142	1439	13	a	a	DT
39142	1439	14	helioscope	helioscope	NN
39142	1439	15	,	,	,
39142	1439	16	which	which	WDT
39142	1439	17	disposes	dispose	VBZ
39142	1439	18	of	of	IN
39142	1439	19	the	the	DT
39142	1439	20	intense	intense	JJ
39142	1439	21	heat	heat	NN
39142	1439	22	rays	ray	NNS
39142	1439	23	that	that	WDT
39142	1439	24	are	be	VBP
39142	1439	25	harmful	harmful	JJ
39142	1439	26	to	to	IN
39142	1439	27	the	the	DT
39142	1439	28	eye	eye	NN
39142	1439	29	.	.	.
39142	1440	1	Frequent	frequent	JJ
39142	1440	2	examination	examination	NN
39142	1440	3	of	of	IN
39142	1440	4	the	the	DT
39142	1440	5	eyepiece	eyepiece	NN
39142	1440	6	should	should	MD
39142	1440	7	be	be	VB
39142	1440	8	made	make	VBN
39142	1440	9	and	and	CC
39142	1440	10	the	the	DT
39142	1440	11	eyepiece	eyepiece	NN
39142	1440	12	cooled	cool	VBN
39142	1440	13	if	if	IN
39142	1440	14	necessary	necessary	JJ
39142	1440	15	.	.	.
39142	1441	1	That	that	DT
39142	1441	2	part	part	NN
39142	1441	3	of	of	IN
39142	1441	4	the	the	DT
39142	1441	5	sun	sun	NN
39142	1441	6	's	's	POS
39142	1441	7	surface	surface	NN
39142	1441	8	under	under	IN
39142	1441	9	observation	observation	NN
39142	1441	10	is	be	VBZ
39142	1441	11	known	know	VBN
39142	1441	12	as	as	IN
39142	1441	13	the	the	DT
39142	1441	14	photosphere	photosphere	NN
39142	1441	15	,	,	,
39142	1441	16	that	that	RB
39142	1441	17	is	is	RB
39142	1441	18	,	,	,
39142	1441	19	the	the	DT
39142	1441	20	part	part	NN
39142	1441	21	which	which	WDT
39142	1441	22	radiates	radiate	VBZ
39142	1441	23	light	light	JJ
39142	1441	24	.	.	.
39142	1442	1	If	if	IN
39142	1442	2	the	the	DT
39142	1442	3	atmosphere	atmosphere	NN
39142	1442	4	admits	admit	VBZ
39142	1442	5	the	the	DT
39142	1442	6	use	use	NN
39142	1442	7	of	of	IN
39142	1442	8	high	high	JJ
39142	1442	9	magnifying	magnify	VBG
39142	1442	10	powers	power	NNS
39142	1442	11	,	,	,
39142	1442	12	the	the	DT
39142	1442	13	structure	structure	NN
39142	1442	14	of	of	IN
39142	1442	15	the	the	DT
39142	1442	16	photosphere	photosphere	NN
39142	1442	17	will	will	MD
39142	1442	18	be	be	VB
39142	1442	19	found	find	VBN
39142	1442	20	more	more	RBR
39142	1442	21	and	and	CC
39142	1442	22	more	more	RBR
39142	1442	23	interesting	interesting	JJ
39142	1442	24	the	the	DT
39142	1442	25	higher	high	JJR
39142	1442	26	the	the	DT
39142	1442	27	power	power	NN
39142	1442	28	employed	employ	VBN
39142	1442	29	.	.	.
39142	1443	1	It	-PRON-	PRP
39142	1443	2	is	be	VBZ
39142	1443	3	an	an	DT
39142	1443	4	irregularly	irregularly	RB
39142	1443	5	mottled	mottle	VBN
39142	1443	6	surface	surface	NN
39142	1443	7	showing	show	VBG
39142	1443	8	a	a	DT
39142	1443	9	species	species	NN
39142	1443	10	of	of	IN
39142	1443	11	rice	rice	NN
39142	1443	12	-	-	HYPH
39142	1443	13	grain	grain	NN
39142	1443	14	structure	structure	NN
39142	1443	15	under	under	IN
39142	1443	16	fairly	fairly	RB
39142	1443	17	high	high	JJ
39142	1443	18	magnification	magnification	NN
39142	1443	19	.	.	.
39142	1444	1	These	these	DT
39142	1444	2	grains	grain	NNS
39142	1444	3	are	be	VBP
39142	1444	4	grouped	group	VBN
39142	1444	5	irregularly	irregularly	RB
39142	1444	6	and	and	CC
39142	1444	7	are	be	VBP
39142	1444	8	about	about	RB
39142	1444	9	500	500	CD
39142	1444	10	miles	mile	NNS
39142	1444	11	across	across	RB
39142	1444	12	.	.	.
39142	1445	1	Under	under	IN
39142	1445	2	fine	fine	JJ
39142	1445	3	conditions	condition	NNS
39142	1445	4	of	of	IN
39142	1445	5	vision	vision	NN
39142	1445	6	they	-PRON-	PRP
39142	1445	7	may	may	MD
39142	1445	8	be	be	VB
39142	1445	9	subdivided	subdivide	VBN
39142	1445	10	into	into	IN
39142	1445	11	granules	granule	NNS
39142	1445	12	.	.	.
39142	1446	1	The	the	DT
39142	1446	2	faculæ	faculæ	NN
39142	1446	3	,	,	,
39142	1446	4	or	or	CC
39142	1446	5	white	white	JJ
39142	1446	6	spots	spot	NNS
39142	1446	7	,	,	,
39142	1446	8	are	be	VBP
39142	1446	9	sometimes	sometimes	RB
39142	1446	10	elevations	elevation	NNS
39142	1446	11	above	above	IN
39142	1446	12	the	the	DT
39142	1446	13	general	general	JJ
39142	1446	14	solar	solar	JJ
39142	1446	15	level	level	NN
39142	1446	16	;	;	:
39142	1446	17	they	-PRON-	PRP
39142	1446	18	have	have	VBP
39142	1446	19	occasionally	occasionally	RB
39142	1446	20	been	be	VBN
39142	1446	21	seen	see	VBN
39142	1446	22	projecting	project	VBG
39142	1446	23	outside	outside	IN
39142	1446	24	the	the	DT
39142	1446	25	limb	limb	NN
39142	1446	26	,	,	,
39142	1446	27	or	or	CC
39142	1446	28	edge	edge	NN
39142	1446	29	of	of	IN
39142	1446	30	the	the	DT
39142	1446	31	disk	disk	NN
39142	1446	32	.	.	.
39142	1447	1	CHAPTER	chapter	NN
39142	1447	2	XXVI	XXVI	NNP
39142	1447	3	SUN	SUN	NNP
39142	1447	4	SPOTS	SPOTS	NNP
39142	1447	5	AND	and	CC
39142	1447	6	PROMINENCES	PROMINENCES	NNP
39142	1447	7	Dark	dark	JJ
39142	1447	8	spots	spot	NNS
39142	1447	9	of	of	IN
39142	1447	10	a	a	DT
39142	1447	11	deep	deep	JJ
39142	1447	12	bluish	bluish	JJ
39142	1447	13	black	black	NN
39142	1447	14	will	will	MD
39142	1447	15	often	often	RB
39142	1447	16	be	be	VB
39142	1447	17	seen	see	VBN
39142	1447	18	on	on	IN
39142	1447	19	the	the	DT
39142	1447	20	photosphere	photosphere	NN
39142	1447	21	of	of	IN
39142	1447	22	the	the	DT
39142	1447	23	sun	sun	NN
39142	1447	24	.	.	.
39142	1448	1	Sometimes	sometimes	RB
39142	1448	2	single	single	JJ
39142	1448	3	,	,	,
39142	1448	4	though	though	IN
39142	1448	5	generally	generally	RB
39142	1448	6	in	in	IN
39142	1448	7	groups	group	NNS
39142	1448	8	,	,	,
39142	1448	9	the	the	DT
39142	1448	10	larger	large	JJR
39142	1448	11	ones	one	NNS
39142	1448	12	will	will	MD
39142	1448	13	have	have	VB
39142	1448	14	a	a	DT
39142	1448	15	dark	dark	JJ
39142	1448	16	center	center	NN
39142	1448	17	,	,	,
39142	1448	18	called	call	VBD
39142	1448	19	the	the	DT
39142	1448	20	umbra	umbra	NN
39142	1448	21	,	,	,
39142	1448	22	surrounded	surround	VBN
39142	1448	23	by	by	IN
39142	1448	24	the	the	DT
39142	1448	25	very	very	RB
39142	1448	26	irregular	irregular	JJ
39142	1448	27	penumbra	penumbra	NN
39142	1448	28	which	which	WDT
39142	1448	29	is	be	VBZ
39142	1448	30	darker	dark	JJR
39142	1448	31	near	near	IN
39142	1448	32	its	-PRON-	PRP$
39142	1448	33	outer	outer	JJ
39142	1448	34	edge	edge	NN
39142	1448	35	and	and	CC
39142	1448	36	much	much	RB
39142	1448	37	brighter	bright	JJR
39142	1448	38	apparently	apparently	RB
39142	1448	39	on	on	IN
39142	1448	40	its	-PRON-	PRP$
39142	1448	41	inner	inner	JJ
39142	1448	42	edge	edge	NN
39142	1448	43	where	where	WRB
39142	1448	44	it	-PRON-	PRP
39142	1448	45	joins	join	VBZ
39142	1448	46	on	on	IN
39142	1448	47	the	the	DT
39142	1448	48	umbra	umbra	NN
39142	1448	49	.	.	.
39142	1449	1	The	the	DT
39142	1449	2	penumbra	penumbra	NN
39142	1449	3	often	often	RB
39142	1449	4	shows	show	VBZ
39142	1449	5	a	a	DT
39142	1449	6	species	species	NN
39142	1449	7	of	of	IN
39142	1449	8	thatch	thatch	NN
39142	1449	9	-	-	HYPH
39142	1449	10	work	work	NN
39142	1449	11	structure	structure	NN
39142	1449	12	,	,	,
39142	1449	13	and	and	CC
39142	1449	14	systematic	systematic	JJ
39142	1449	15	sketches	sketch	NNS
39142	1449	16	of	of	IN
39142	1449	17	sun	sun	NN
39142	1449	18	spots	spot	NNS
39142	1449	19	by	by	IN
39142	1449	20	observers	observer	NNS
39142	1449	21	skilled	skille	VBN
39142	1449	22	in	in	IN
39142	1449	23	drawing	drawing	NN
39142	1449	24	are	be	VBP
39142	1449	25	greatly	greatly	RB
39142	1449	26	to	to	TO
39142	1449	27	be	be	VB
39142	1449	28	desired	desire	VBN
39142	1449	29	,	,	,
39142	1449	30	because	because	IN
39142	1449	31	photography	photography	NN
39142	1449	32	has	have	VBZ
39142	1449	33	not	not	RB
39142	1449	34	yet	yet	RB
39142	1449	35	reached	reach	VBN
39142	1449	36	the	the	DT
39142	1449	37	stage	stage	NN
39142	1449	38	where	where	WRB
39142	1449	39	it	-PRON-	PRP
39142	1449	40	is	be	VBZ
39142	1449	41	possible	possible	JJ
39142	1449	42	to	to	TO
39142	1449	43	compete	compete	VB
39142	1449	44	with	with	IN
39142	1449	45	visual	visual	JJ
39142	1449	46	observation	observation	NN
39142	1449	47	in	in	IN
39142	1449	48	the	the	DT
39142	1449	49	matter	matter	NN
39142	1449	50	of	of	IN
39142	1449	51	fine	fine	JJ
39142	1449	52	detail	detail	NN
39142	1449	53	.	.	.
39142	1450	1	The	the	DT
39142	1450	2	spots	spot	NNS
39142	1450	3	themselves	-PRON-	PRP
39142	1450	4	nearly	nearly	RB
39142	1450	5	always	always	RB
39142	1450	6	appear	appear	VBP
39142	1450	7	like	like	IN
39142	1450	8	depressions	depression	NNS
39142	1450	9	in	in	IN
39142	1450	10	the	the	DT
39142	1450	11	photosphere	photosphere	NN
39142	1450	12	,	,	,
39142	1450	13	and	and	CC
39142	1450	14	on	on	IN
39142	1450	15	repeated	repeat	VBN
39142	1450	16	occasions	occasion	NNS
39142	1450	17	they	-PRON-	PRP
39142	1450	18	have	have	VBP
39142	1450	19	been	be	VBN
39142	1450	20	seen	see	VBN
39142	1450	21	as	as	IN
39142	1450	22	actual	actual	JJ
39142	1450	23	notches	notch	NNS
39142	1450	24	when	when	WRB
39142	1450	25	on	on	IN
39142	1450	26	the	the	DT
39142	1450	27	edge	edge	NN
39142	1450	28	of	of	IN
39142	1450	29	the	the	DT
39142	1450	30	sun	sun	NN
39142	1450	31	.	.	.
39142	1451	1	Many	many	JJ
39142	1451	2	spots	spot	NNS
39142	1451	3	,	,	,
39142	1451	4	however	however	RB
39142	1451	5	,	,	,
39142	1451	6	are	be	VBP
39142	1451	7	not	not	RB
39142	1451	8	depressions	depression	NNS
39142	1451	9	:	:	:
39142	1451	10	some	some	DT
39142	1451	11	appear	appear	VBP
39142	1451	12	to	to	TO
39142	1451	13	be	be	VB
39142	1451	14	actual	actual	JJ
39142	1451	15	elevations	elevation	NNS
39142	1451	16	,	,	,
39142	1451	17	with	with	IN
39142	1451	18	the	the	DT
39142	1451	19	umbra	umbra	NN
39142	1451	20	perhaps	perhaps	RB
39142	1451	21	a	a	DT
39142	1451	22	central	central	JJ
39142	1451	23	depression	depression	NN
39142	1451	24	,	,	,
39142	1451	25	like	like	IN
39142	1451	26	the	the	DT
39142	1451	27	crater	crater	NN
39142	1451	28	in	in	IN
39142	1451	29	the	the	DT
39142	1451	30	general	general	JJ
39142	1451	31	elevation	elevation	NN
39142	1451	32	of	of	IN
39142	1451	33	a	a	DT
39142	1451	34	volcano	volcano	NN
39142	1451	35	.	.	.
39142	1452	1	Spots	spot	NNS
39142	1452	2	are	be	VBP
39142	1452	3	sometimes	sometimes	RB
39142	1452	4	of	of	IN
39142	1452	5	enormous	enormous	JJ
39142	1452	6	size	size	NN
39142	1452	7	.	.	.
39142	1453	1	The	the	DT
39142	1453	2	largest	large	JJS
39142	1453	3	on	on	IN
39142	1453	4	record	record	NN
39142	1453	5	was	be	VBD
39142	1453	6	seen	see	VBN
39142	1453	7	in	in	IN
39142	1453	8	1858	1858	CD
39142	1453	9	;	;	:
39142	1453	10	it	-PRON-	PRP
39142	1453	11	was	be	VBD
39142	1453	12	nearly	nearly	RB
39142	1453	13	150,000	150,000	CD
39142	1453	14	miles	mile	NNS
39142	1453	15	in	in	IN
39142	1453	16	breadth	breadth	NN
39142	1453	17	,	,	,
39142	1453	18	and	and	CC
39142	1453	19	covered	cover	VBD
39142	1453	20	a	a	DT
39142	1453	21	considerable	considerable	JJ
39142	1453	22	proportion	proportion	NN
39142	1453	23	of	of	IN
39142	1453	24	the	the	DT
39142	1453	25	whole	whole	JJ
39142	1453	26	visible	visible	JJ
39142	1453	27	hemisphere	hemisphere	NN
39142	1453	28	of	of	IN
39142	1453	29	the	the	DT
39142	1453	30	sun	sun	NN
39142	1453	31	.	.	.
39142	1454	1	A	a	DT
39142	1454	2	spot	spot	NN
39142	1454	3	must	must	MD
39142	1454	4	be	be	VB
39142	1454	5	nearly	nearly	RB
39142	1454	6	30,000	30,000	CD
39142	1454	7	miles	mile	NNS
39142	1454	8	across	across	RB
39142	1454	9	in	in	IN
39142	1454	10	order	order	NN
39142	1454	11	to	to	TO
39142	1454	12	be	be	VB
39142	1454	13	seen	see	VBN
39142	1454	14	with	with	IN
39142	1454	15	the	the	DT
39142	1454	16	naked	naked	JJ
39142	1454	17	eye	eye	NN
39142	1454	18	.	.	.
39142	1455	1	In	in	IN
39142	1455	2	their	-PRON-	PRP$
39142	1455	3	beginning	beginning	NN
39142	1455	4	,	,	,
39142	1455	5	development	development	NN
39142	1455	6	,	,	,
39142	1455	7	and	and	CC
39142	1455	8	end	end	NN
39142	1455	9	,	,	,
39142	1455	10	each	each	DT
39142	1455	11	spot	spot	NN
39142	1455	12	or	or	CC
39142	1455	13	group	group	NN
39142	1455	14	of	of	IN
39142	1455	15	spots	spot	NNS
39142	1455	16	appears	appear	VBZ
39142	1455	17	to	to	TO
39142	1455	18	be	be	VB
39142	1455	19	a	a	DT
39142	1455	20	law	law	NN
39142	1455	21	unto	unto	IN
39142	1455	22	itself	-PRON-	PRP
39142	1455	23	.	.	.
39142	1456	1	Sometimes	sometimes	RB
39142	1456	2	in	in	IN
39142	1456	3	a	a	DT
39142	1456	4	few	few	JJ
39142	1456	5	hours	hour	NNS
39142	1456	6	they	-PRON-	PRP
39142	1456	7	will	will	MD
39142	1456	8	form	form	VB
39142	1456	9	,	,	,
39142	1456	10	though	though	IN
39142	1456	11	generally	generally	RB
39142	1456	12	it	-PRON-	PRP
39142	1456	13	is	be	VBZ
39142	1456	14	a	a	DT
39142	1456	15	question	question	NN
39142	1456	16	of	of	IN
39142	1456	17	days	day	NNS
39142	1456	18	and	and	CC
39142	1456	19	even	even	RB
39142	1456	20	weeks	week	NNS
39142	1456	21	.	.	.
39142	1457	1	Very	very	RB
39142	1457	2	soon	soon	RB
39142	1457	3	after	after	IN
39142	1457	4	their	-PRON-	PRP$
39142	1457	5	formation	formation	NN
39142	1457	6	is	be	VBZ
39142	1457	7	complete	complete	JJ
39142	1457	8	,	,	,
39142	1457	9	tonguelike	tonguelike	IN
39142	1457	10	encroachments	encroachment	NNS
39142	1457	11	of	of	IN
39142	1457	12	the	the	DT
39142	1457	13	penumbra	penumbra	NN
39142	1457	14	appear	appear	VBP
39142	1457	15	to	to	TO
39142	1457	16	force	force	VB
39142	1457	17	their	-PRON-	PRP$
39142	1457	18	way	way	NN
39142	1457	19	across	across	IN
39142	1457	20	the	the	DT
39142	1457	21	umbra	umbra	NN
39142	1457	22	,	,	,
39142	1457	23	and	and	CC
39142	1457	24	this	this	DT
39142	1457	25	splitting	splitting	NN
39142	1457	26	up	up	RP
39142	1457	27	of	of	IN
39142	1457	28	the	the	DT
39142	1457	29	central	central	JJ
39142	1457	30	spot	spot	NN
39142	1457	31	usually	usually	RB
39142	1457	32	goes	go	VBZ
39142	1457	33	on	on	RP
39142	1457	34	quite	quite	RB
39142	1457	35	rapidly	rapidly	RB
39142	1457	36	.	.	.
39142	1458	1	Sun	Sun	NNP
39142	1458	2	spots	spot	NNS
39142	1458	3	in	in	IN
39142	1458	4	violent	violent	JJ
39142	1458	5	disturbance	disturbance	NN
39142	1458	6	are	be	VBP
39142	1458	7	rarely	rarely	RB
39142	1458	8	observed	observe	VBN
39142	1458	9	.	.	.
39142	1459	1	As	as	IN
39142	1459	2	the	the	DT
39142	1459	3	sun	sun	NN
39142	1459	4	turns	turn	VBZ
39142	1459	5	round	round	JJ
39142	1459	6	on	on	IN
39142	1459	7	his	-PRON-	PRP$
39142	1459	8	axis	axis	NN
39142	1459	9	,	,	,
39142	1459	10	the	the	DT
39142	1459	11	spots	spot	NNS
39142	1459	12	will	will	MD
39142	1459	13	often	often	RB
39142	1459	14	be	be	VB
39142	1459	15	carried	carry	VBN
39142	1459	16	across	across	IN
39142	1459	17	the	the	DT
39142	1459	18	disk	disk	NN
39142	1459	19	from	from	IN
39142	1459	20	the	the	DT
39142	1459	21	center	center	NN
39142	1459	22	to	to	IN
39142	1459	23	the	the	DT
39142	1459	24	edge	edge	NN
39142	1459	25	,	,	,
39142	1459	26	when	when	WRB
39142	1459	27	they	-PRON-	PRP
39142	1459	28	become	become	VBP
39142	1459	29	very	very	RB
39142	1459	30	much	much	RB
39142	1459	31	foreshortened	foreshorten	VBN
39142	1459	32	.	.	.
39142	1460	1	The	the	DT
39142	1460	2	sun	sun	NN
39142	1460	3	's	's	POS
39142	1460	4	period	period	NN
39142	1460	5	of	of	IN
39142	1460	6	rotation	rotation	NN
39142	1460	7	is	be	VBZ
39142	1460	8	28	28	CD
39142	1460	9	days	day	NNS
39142	1460	10	,	,	,
39142	1460	11	so	so	IN
39142	1460	12	that	that	IN
39142	1460	13	if	if	IN
39142	1460	14	a	a	DT
39142	1460	15	spot	spot	NN
39142	1460	16	lasts	last	VBZ
39142	1460	17	more	more	JJR
39142	1460	18	than	than	IN
39142	1460	19	two	two	CD
39142	1460	20	weeks	week	NNS
39142	1460	21	without	without	IN
39142	1460	22	breaking	break	VBG
39142	1460	23	up	up	RP
39142	1460	24	,	,	,
39142	1460	25	it	-PRON-	PRP
39142	1460	26	may	may	MD
39142	1460	27	reappear	reappear	VB
39142	1460	28	on	on	IN
39142	1460	29	the	the	DT
39142	1460	30	eastern	eastern	JJ
39142	1460	31	limb	limb	NN
39142	1460	32	of	of	IN
39142	1460	33	the	the	DT
39142	1460	34	sun	sun	NN
39142	1460	35	after	after	IN
39142	1460	36	having	have	VBG
39142	1460	37	disappeared	disappear	VBN
39142	1460	38	at	at	IN
39142	1460	39	the	the	DT
39142	1460	40	western	western	JJ
39142	1460	41	edge	edge	NN
39142	1460	42	.	.	.
39142	1461	1	Two	two	CD
39142	1461	2	or	or	CC
39142	1461	3	three	three	CD
39142	1461	4	months	month	NNS
39142	1461	5	is	be	VBZ
39142	1461	6	an	an	DT
39142	1461	7	average	average	JJ
39142	1461	8	duration	duration	NN
39142	1461	9	for	for	IN
39142	1461	10	a	a	DT
39142	1461	11	spot	spot	NN
39142	1461	12	;	;	:
39142	1461	13	the	the	DT
39142	1461	14	longest	long	JJS
39142	1461	15	on	on	IN
39142	1461	16	record	record	NN
39142	1461	17	lasted	last	VBD
39142	1461	18	through	through	IN
39142	1461	19	18	18	CD
39142	1461	20	months	month	NNS
39142	1461	21	in	in	IN
39142	1461	22	1840	1840	CD
39142	1461	23	-	-	SYM
39142	1461	24	41	41	CD
39142	1461	25	.	.	.
39142	1462	1	The	the	DT
39142	1462	2	position	position	NN
39142	1462	3	of	of	IN
39142	1462	4	the	the	DT
39142	1462	5	sun	sun	NN
39142	1462	6	's	's	POS
39142	1462	7	axis	axis	NN
39142	1462	8	is	be	VBZ
39142	1462	9	well	well	RB
39142	1462	10	known	know	VBN
39142	1462	11	,	,	,
39142	1462	12	its	-PRON-	PRP$
39142	1462	13	equator	equator	NN
39142	1462	14	being	be	VBG
39142	1462	15	tilted	tilt	VBN
39142	1462	16	about	about	RB
39142	1462	17	7	7	CD
39142	1462	18	degrees	degree	NNS
39142	1462	19	to	to	IN
39142	1462	20	the	the	DT
39142	1462	21	ecliptic	ecliptic	JJ
39142	1462	22	,	,	,
39142	1462	23	and	and	CC
39142	1462	24	the	the	DT
39142	1462	25	spots	spot	NNS
39142	1462	26	are	be	VBP
39142	1462	27	distributed	distribute	VBN
39142	1462	28	in	in	IN
39142	1462	29	zones	zone	NNS
39142	1462	30	north	north	NN
39142	1462	31	and	and	CC
39142	1462	32	south	south	NN
39142	1462	33	of	of	IN
39142	1462	34	the	the	DT
39142	1462	35	equator	equator	NN
39142	1462	36	,	,	,
39142	1462	37	extending	extend	VBG
39142	1462	38	as	as	RB
39142	1462	39	far	far	RB
39142	1462	40	as	as	IN
39142	1462	41	30	30	CD
39142	1462	42	degrees	degree	NNS
39142	1462	43	of	of	IN
39142	1462	44	solar	solar	JJ
39142	1462	45	latitude	latitude	NN
39142	1462	46	.	.	.
39142	1463	1	In	in	IN
39142	1463	2	very	very	RB
39142	1463	3	high	high	JJ
39142	1463	4	latitudes	latitude	NNS
39142	1463	5	spots	spot	NNS
39142	1463	6	are	be	VBP
39142	1463	7	never	never	RB
39142	1463	8	seen	see	VBN
39142	1463	9	;	;	:
39142	1463	10	they	-PRON-	PRP
39142	1463	11	are	be	VBP
39142	1463	12	most	most	RBS
39142	1463	13	abundant	abundant	JJ
39142	1463	14	in	in	IN
39142	1463	15	about	about	IN
39142	1463	16	latitude	latitude	NN
39142	1463	17	15	15	CD
39142	1463	18	degrees	degree	NNS
39142	1463	19	both	both	CC
39142	1463	20	north	north	NN
39142	1463	21	and	and	CC
39142	1463	22	south	south	NN
39142	1463	23	,	,	,
39142	1463	24	and	and	CC
39142	1463	25	rather	rather	RB
39142	1463	26	more	more	RBR
39142	1463	27	numerous	numerous	JJ
39142	1463	28	in	in	IN
39142	1463	29	the	the	DT
39142	1463	30	northern	northern	JJ
39142	1463	31	than	than	IN
39142	1463	32	in	in	IN
39142	1463	33	the	the	DT
39142	1463	34	southern	southern	JJ
39142	1463	35	hemisphere	hemisphere	NN
39142	1463	36	of	of	IN
39142	1463	37	the	the	DT
39142	1463	38	sun	sun	NN
39142	1463	39	.	.	.
39142	1464	1	Recent	recent	JJ
39142	1464	2	research	research	NN
39142	1464	3	at	at	IN
39142	1464	4	Mount	Mount	NNP
39142	1464	5	Wilson	Wilson	NNP
39142	1464	6	makes	make	VBZ
39142	1464	7	the	the	DT
39142	1464	8	sun	sun	NN
39142	1464	9	a	a	DT
39142	1464	10	great	great	JJ
39142	1464	11	magnet	magnet	NN
39142	1464	12	;	;	:
39142	1464	13	and	and	CC
39142	1464	14	its	-PRON-	PRP$
39142	1464	15	magnetic	magnetic	JJ
39142	1464	16	axis	axi	NNS
39142	1464	17	is	be	VBZ
39142	1464	18	inclined	incline	VBN
39142	1464	19	at	at	IN
39142	1464	20	an	an	DT
39142	1464	21	angle	angle	NN
39142	1464	22	of	of	IN
39142	1464	23	6	6	CD
39142	1464	24	degrees	degree	NNS
39142	1464	25	to	to	IN
39142	1464	26	the	the	DT
39142	1464	27	axis	axi	NNS
39142	1464	28	of	of	IN
39142	1464	29	rotation	rotation	NN
39142	1464	30	,	,	,
39142	1464	31	around	around	IN
39142	1464	32	which	which	WDT
39142	1464	33	it	-PRON-	PRP
39142	1464	34	revolves	revolve	VBZ
39142	1464	35	in	in	IN
39142	1464	36	32	32	CD
39142	1464	37	days	day	NNS
39142	1464	38	.	.	.
39142	1465	1	There	there	EX
39142	1465	2	is	be	VBZ
39142	1465	3	a	a	DT
39142	1465	4	most	most	RBS
39142	1465	5	interesting	interesting	JJ
39142	1465	6	periodicity	periodicity	NN
39142	1465	7	of	of	IN
39142	1465	8	the	the	DT
39142	1465	9	spots	spot	NNS
39142	1465	10	on	on	IN
39142	1465	11	the	the	DT
39142	1465	12	sun	sun	NN
39142	1465	13	,	,	,
39142	1465	14	for	for	IN
39142	1465	15	months	month	NNS
39142	1465	16	will	will	MD
39142	1465	17	sometimes	sometimes	RB
39142	1465	18	elapse	elapse	VB
39142	1465	19	with	with	IN
39142	1465	20	spots	spot	NNS
39142	1465	21	in	in	IN
39142	1465	22	abundance	abundance	NN
39142	1465	23	and	and	CC
39142	1465	24	visible	visible	JJ
39142	1465	25	every	every	DT
39142	1465	26	day	day	NN
39142	1465	27	,	,	,
39142	1465	28	while	while	IN
39142	1465	29	at	at	IN
39142	1465	30	other	other	JJ
39142	1465	31	periods	period	NNS
39142	1465	32	,	,	,
39142	1465	33	days	day	NNS
39142	1465	34	and	and	CC
39142	1465	35	even	even	RB
39142	1465	36	weeks	week	NNS
39142	1465	37	will	will	MD
39142	1465	38	elapse	elapse	VB
39142	1465	39	without	without	IN
39142	1465	40	a	a	DT
39142	1465	41	single	single	JJ
39142	1465	42	spot	spot	NN
39142	1465	43	being	be	VBG
39142	1465	44	seen	see	VBN
39142	1465	45	.	.	.
39142	1466	1	There	there	EX
39142	1466	2	is	be	VBZ
39142	1466	3	a	a	DT
39142	1466	4	well	well	RB
39142	1466	5	recognized	recognize	VBN
39142	1466	6	period	period	NN
39142	1466	7	of	of	IN
39142	1466	8	eleven	eleven	CD
39142	1466	9	and	and	CC
39142	1466	10	one	one	CD
39142	1466	11	-	-	HYPH
39142	1466	12	tenth	tenth	NN
39142	1466	13	years	year	NNS
39142	1466	14	,	,	,
39142	1466	15	the	the	DT
39142	1466	16	reason	reason	NN
39142	1466	17	underlying	underlying	NN
39142	1466	18	which	which	WDT
39142	1466	19	is	be	VBZ
39142	1466	20	not	not	RB
39142	1466	21	,	,	,
39142	1466	22	however	however	RB
39142	1466	23	,	,	,
39142	1466	24	known	know	VBN
39142	1466	25	.	.	.
39142	1467	1	After	after	IN
39142	1467	2	passing	pass	VBG
39142	1467	3	through	through	IN
39142	1467	4	the	the	DT
39142	1467	5	minimum	minimum	NN
39142	1467	6	of	of	IN
39142	1467	7	spottedness	spottedness	NN
39142	1467	8	,	,	,
39142	1467	9	they	-PRON-	PRP
39142	1467	10	begin	begin	VBP
39142	1467	11	to	to	TO
39142	1467	12	break	break	VB
39142	1467	13	out	out	RP
39142	1467	14	again	again	RB
39142	1467	15	first	first	RB
39142	1467	16	in	in	IN
39142	1467	17	latitudes	latitude	NNS
39142	1467	18	of	of	IN
39142	1467	19	25	25	CD
39142	1467	20	degrees-30	degrees-30	NN
39142	1467	21	degrees	degree	NNS
39142	1467	22	,	,	,
39142	1467	23	rather	rather	RB
39142	1467	24	suddenly	suddenly	RB
39142	1467	25	,	,	,
39142	1467	26	and	and	CC
39142	1467	27	on	on	IN
39142	1467	28	both	both	DT
39142	1467	29	sides	side	NNS
39142	1467	30	of	of	IN
39142	1467	31	the	the	DT
39142	1467	32	equator	equator	NN
39142	1467	33	,	,	,
39142	1467	34	and	and	CC
39142	1467	35	they	-PRON-	PRP
39142	1467	36	move	move	VBP
39142	1467	37	toward	toward	IN
39142	1467	38	the	the	DT
39142	1467	39	equator	equator	NN
39142	1467	40	as	as	IN
39142	1467	41	their	-PRON-	PRP$
39142	1467	42	number	number	NN
39142	1467	43	and	and	CC
39142	1467	44	individual	individual	JJ
39142	1467	45	size	size	NN
39142	1467	46	decrease	decrease	NN
39142	1467	47	.	.	.
39142	1468	1	The	the	DT
39142	1468	2	last	last	JJ
39142	1468	3	observed	observed	JJ
39142	1468	4	epoch	epoch	NN
39142	1468	5	of	of	IN
39142	1468	6	maximum	maximum	JJ
39142	1468	7	spot	spot	NN
39142	1468	8	activity	activity	NN
39142	1468	9	on	on	IN
39142	1468	10	the	the	DT
39142	1468	11	sun	sun	NN
39142	1468	12	was	be	VBD
39142	1468	13	passed	pass	VBN
39142	1468	14	in	in	IN
39142	1468	15	1917	1917	CD
39142	1468	16	.	.	.
39142	1469	1	Many	many	JJ
39142	1469	2	attempts	attempt	NNS
39142	1469	3	have	have	VBP
39142	1469	4	been	be	VBN
39142	1469	5	made	make	VBN
39142	1469	6	to	to	TO
39142	1469	7	ascertain	ascertain	VB
39142	1469	8	the	the	DT
39142	1469	9	cause	cause	NN
39142	1469	10	of	of	IN
39142	1469	11	the	the	DT
39142	1469	12	periodicity	periodicity	NN
39142	1469	13	of	of	IN
39142	1469	14	sun	sun	NN
39142	1469	15	spots	spot	NNS
39142	1469	16	,	,	,
39142	1469	17	but	but	CC
39142	1469	18	the	the	DT
39142	1469	19	real	real	JJ
39142	1469	20	cause	cause	NN
39142	1469	21	is	be	VBZ
39142	1469	22	not	not	RB
39142	1469	23	yet	yet	RB
39142	1469	24	known	know	VBN
39142	1469	25	.	.	.
39142	1470	1	If	if	IN
39142	1470	2	the	the	DT
39142	1470	3	spots	spot	NNS
39142	1470	4	are	be	VBP
39142	1470	5	eruptional	eruptional	JJ
39142	1470	6	in	in	IN
39142	1470	7	character	character	NN
39142	1470	8	,	,	,
39142	1470	9	the	the	DT
39142	1470	10	forces	force	NNS
39142	1470	11	held	hold	VBN
39142	1470	12	in	in	IN
39142	1470	13	check	check	NN
39142	1470	14	during	during	IN
39142	1470	15	seasons	season	NNS
39142	1470	16	of	of	IN
39142	1470	17	few	few	JJ
39142	1470	18	spots	spot	NNS
39142	1470	19	may	may	MD
39142	1470	20	well	well	RB
39142	1470	21	break	break	VB
39142	1470	22	out	out	RP
39142	1470	23	in	in	IN
39142	1470	24	period	period	NN
39142	1470	25	.	.	.
39142	1471	1	The	the	DT
39142	1471	2	brighter	bright	JJR
39142	1471	3	streaks	streak	VBZ
39142	1471	4	and	and	CC
39142	1471	5	mottlings	mottling	NNS
39142	1471	6	known	know	VBN
39142	1471	7	as	as	IN
39142	1471	8	faculæ	faculæ	NN
39142	1471	9	are	be	VBP
39142	1471	10	probably	probably	RB
39142	1471	11	elevations	elevation	NNS
39142	1471	12	above	above	IN
39142	1471	13	the	the	DT
39142	1471	14	general	general	JJ
39142	1471	15	photosphere	photosphere	NN
39142	1471	16	,	,	,
39142	1471	17	and	and	CC
39142	1471	18	seem	seem	VBP
39142	1471	19	to	to	TO
39142	1471	20	be	be	VB
39142	1471	21	crusts	crust	NNS
39142	1471	22	of	of	IN
39142	1471	23	luminous	luminous	JJ
39142	1471	24	matter	matter	NN
39142	1471	25	,	,	,
39142	1471	26	often	often	RB
39142	1471	27	incandescent	incandescent	JJ
39142	1471	28	calcium	calcium	NN
39142	1471	29	,	,	,
39142	1471	30	protruding	protrude	VBG
39142	1471	31	through	through	RP
39142	1471	32	from	from	IN
39142	1471	33	the	the	DT
39142	1471	34	lower	low	JJR
39142	1471	35	levels	level	NNS
39142	1471	36	.	.	.
39142	1472	1	Generally	generally	RB
39142	1472	2	the	the	DT
39142	1472	3	faculæ	faculæ	NN
39142	1472	4	are	be	VBP
39142	1472	5	numerous	numerous	JJ
39142	1472	6	around	around	IN
39142	1472	7	the	the	DT
39142	1472	8	dark	dark	JJ
39142	1472	9	spots	spot	NNS
39142	1472	10	,	,	,
39142	1472	11	and	and	CC
39142	1472	12	absorption	absorption	NN
39142	1472	13	of	of	IN
39142	1472	14	the	the	DT
39142	1472	15	sun	sun	NN
39142	1472	16	's	's	POS
39142	1472	17	light	light	NN
39142	1472	18	by	by	IN
39142	1472	19	his	-PRON-	PRP$
39142	1472	20	own	own	JJ
39142	1472	21	atmosphere	atmosphere	NN
39142	1472	22	affords	afford	VBZ
39142	1472	23	a	a	DT
39142	1472	24	darker	dark	JJR
39142	1472	25	background	background	NN
39142	1472	26	for	for	IN
39142	1472	27	them	-PRON-	PRP
39142	1472	28	,	,	,
39142	1472	29	with	with	IN
39142	1472	30	better	well	JJR
39142	1472	31	visibility	visibility	NN
39142	1472	32	nearer	nearer	VB
39142	1472	33	the	the	DT
39142	1472	34	rim	rim	NN
39142	1472	35	of	of	IN
39142	1472	36	the	the	DT
39142	1472	37	solar	solar	JJ
39142	1472	38	disk	disk	NN
39142	1472	39	.	.	.
39142	1473	1	The	the	DT
39142	1473	2	spectroheliograph	spectroheliograph	NN
39142	1473	3	reveals	reveal	VBZ
39142	1473	4	vast	vast	JJ
39142	1473	5	zones	zone	NNS
39142	1473	6	of	of	IN
39142	1473	7	faculæ	faculæ	NN
39142	1473	8	otherwise	otherwise	RB
39142	1473	9	invisible	invisible	JJ
39142	1473	10	,	,	,
39142	1473	11	related	related	JJ
39142	1473	12	to	to	IN
39142	1473	13	the	the	DT
39142	1473	14	sun	sun	NN
39142	1473	15	-	-	HYPH
39142	1473	16	spot	spot	NN
39142	1473	17	zones	zone	NNS
39142	1473	18	proper	proper	JJ
39142	1473	19	on	on	IN
39142	1473	20	both	both	DT
39142	1473	21	sides	side	NNS
39142	1473	22	of	of	IN
39142	1473	23	the	the	DT
39142	1473	24	equator	equator	NN
39142	1473	25	.	.	.
39142	1474	1	In	in	IN
39142	1474	2	some	some	DT
39142	1474	3	intimate	intimate	JJ
39142	1474	4	way	way	NN
39142	1474	5	the	the	DT
39142	1474	6	magnetism	magnetism	NN
39142	1474	7	of	of	IN
39142	1474	8	sun	sun	NNP
39142	1474	9	and	and	CC
39142	1474	10	earth	earth	NN
39142	1474	11	are	be	VBP
39142	1474	12	so	so	RB
39142	1474	13	related	related	JJ
39142	1474	14	that	that	IN
39142	1474	15	outbreaks	outbreak	NNS
39142	1474	16	of	of	IN
39142	1474	17	solar	solar	JJ
39142	1474	18	spots	spot	NNS
39142	1474	19	are	be	VBP
39142	1474	20	accompanied	accompany	VBN
39142	1474	21	with	with	IN
39142	1474	22	disturbances	disturbance	NNS
39142	1474	23	of	of	IN
39142	1474	24	electrical	electrical	JJ
39142	1474	25	and	and	CC
39142	1474	26	other	other	JJ
39142	1474	27	instruments	instrument	NNS
39142	1474	28	on	on	IN
39142	1474	29	the	the	DT
39142	1474	30	earth	earth	NN
39142	1474	31	;	;	:
39142	1474	32	also	also	RB
39142	1474	33	the	the	DT
39142	1474	34	aurora	aurora	NNP
39142	1474	35	borealis	borealis	NNP
39142	1474	36	is	be	VBZ
39142	1474	37	seen	see	VBN
39142	1474	38	with	with	IN
39142	1474	39	greater	great	JJR
39142	1474	40	frequency	frequency	NN
39142	1474	41	during	during	IN
39142	1474	42	periods	period	NNS
39142	1474	43	when	when	WRB
39142	1474	44	many	many	JJ
39142	1474	45	spots	spot	NNS
39142	1474	46	are	be	VBP
39142	1474	47	visible	visible	JJ
39142	1474	48	.	.	.
39142	1475	1	Within	within	IN
39142	1475	2	very	very	RB
39142	1475	3	recent	recent	JJ
39142	1475	4	years	year	NNS
39142	1475	5	the	the	DT
39142	1475	6	discovery	discovery	NN
39142	1475	7	of	of	IN
39142	1475	8	a	a	DT
39142	1475	9	magnetic	magnetic	JJ
39142	1475	10	field	field	NN
39142	1475	11	in	in	IN
39142	1475	12	sun	sun	NN
39142	1475	13	spots	spot	NNS
39142	1475	14	has	have	VBZ
39142	1475	15	been	be	VBN
39142	1475	16	made	make	VBN
39142	1475	17	by	by	IN
39142	1475	18	Hale	Hale	NNP
39142	1475	19	with	with	IN
39142	1475	20	powerful	powerful	JJ
39142	1475	21	instruments	instrument	NNS
39142	1475	22	of	of	IN
39142	1475	23	his	-PRON-	PRP$
39142	1475	24	own	own	JJ
39142	1475	25	design	design	NN
39142	1475	26	.	.	.
39142	1476	1	Sun	Sun	NNP
39142	1476	2	spots	spot	NNS
39142	1476	3	had	have	VBD
39142	1476	4	never	never	RB
39142	1476	5	been	be	VBN
39142	1476	6	investigated	investigate	VBN
39142	1476	7	before	before	RB
39142	1476	8	with	with	IN
39142	1476	9	adequate	adequate	JJ
39142	1476	10	instrumental	instrumental	JJ
39142	1476	11	means	mean	NNS
39142	1476	12	.	.	.
39142	1477	1	He	-PRON-	PRP
39142	1477	2	recognized	recognize	VBD
39142	1477	3	the	the	DT
39142	1477	4	necessity	necessity	NN
39142	1477	5	of	of	IN
39142	1477	6	having	have	VBG
39142	1477	7	a	a	DT
39142	1477	8	spectroscope	spectroscope	NN
39142	1477	9	that	that	WDT
39142	1477	10	would	would	MD
39142	1477	11	record	record	VB
39142	1477	12	the	the	DT
39142	1477	13	widened	widened	JJ
39142	1477	14	lines	line	NNS
39142	1477	15	of	of	IN
39142	1477	16	sun	sun	NN
39142	1477	17	-	-	HYPH
39142	1477	18	spot	spot	NN
39142	1477	19	spectra	spectra	NNP
39142	1477	20	,	,	,
39142	1477	21	and	and	CC
39142	1477	22	the	the	DT
39142	1477	23	strengthened	strengthened	JJ
39142	1477	24	and	and	CC
39142	1477	25	weakened	weakened	JJ
39142	1477	26	lines	line	NNS
39142	1477	27	on	on	IN
39142	1477	28	a	a	DT
39142	1477	29	large	large	JJ
39142	1477	30	scale	scale	NN
39142	1477	31	.	.	.
39142	1478	1	Certain	certain	JJ
39142	1478	2	changes	change	NNS
39142	1478	3	in	in	IN
39142	1478	4	relative	relative	JJ
39142	1478	5	intensity	intensity	NN
39142	1478	6	were	be	VBD
39142	1478	7	traced	trace	VBN
39142	1478	8	to	to	IN
39142	1478	9	a	a	DT
39142	1478	10	reduced	reduced	JJ
39142	1478	11	temperature	temperature	NN
39142	1478	12	of	of	IN
39142	1478	13	the	the	DT
39142	1478	14	spot	spot	NN
39142	1478	15	vapors	vapor	NNS
39142	1478	16	by	by	IN
39142	1478	17	comparison	comparison	NN
39142	1478	18	with	with	IN
39142	1478	19	photographs	photograph	NNS
39142	1478	20	of	of	IN
39142	1478	21	the	the	DT
39142	1478	22	spectrum	spectrum	NN
39142	1478	23	of	of	IN
39142	1478	24	iron	iron	NN
39142	1478	25	and	and	CC
39142	1478	26	other	other	JJ
39142	1478	27	metallic	metallic	JJ
39142	1478	28	vapors	vapor	NNS
39142	1478	29	in	in	IN
39142	1478	30	an	an	DT
39142	1478	31	electric	electric	JJ
39142	1478	32	arc	arc	NN
39142	1478	33	at	at	IN
39142	1478	34	different	different	JJ
39142	1478	35	temperatures	temperature	NNS
39142	1478	36	.	.	.
39142	1479	1	Here	here	RB
39142	1479	2	the	the	DT
39142	1479	3	work	work	NN
39142	1479	4	of	of	IN
39142	1479	5	the	the	DT
39142	1479	6	laboratory	laboratory	NN
39142	1479	7	was	be	VBD
39142	1479	8	essential	essential	JJ
39142	1479	9	.	.	.
39142	1480	1	Sun	Sun	NNP
39142	1480	2	spots	spot	NNS
39142	1480	3	were	be	VBD
39142	1480	4	thus	thus	RB
39142	1480	5	found	find	VBN
39142	1480	6	to	to	TO
39142	1480	7	be	be	VB
39142	1480	8	regions	region	NNS
39142	1480	9	of	of	IN
39142	1480	10	reduced	reduce	VBN
39142	1480	11	temperature	temperature	NN
39142	1480	12	in	in	IN
39142	1480	13	the	the	DT
39142	1480	14	solar	solar	JJ
39142	1480	15	atmosphere	atmosphere	NN
39142	1480	16	.	.	.
39142	1481	1	Chemical	chemical	JJ
39142	1481	2	unions	union	NNS
39142	1481	3	were	be	VBD
39142	1481	4	thus	thus	RB
39142	1481	5	possible	possible	JJ
39142	1481	6	,	,	,
39142	1481	7	and	and	CC
39142	1481	8	thousands	thousand	NNS
39142	1481	9	of	of	IN
39142	1481	10	faint	faint	JJ
39142	1481	11	lines	line	NNS
39142	1481	12	in	in	IN
39142	1481	13	spot	spot	NN
39142	1481	14	-	-	HYPH
39142	1481	15	spectra	spectra	NNP
39142	1481	16	were	be	VBD
39142	1481	17	measured	measure	VBN
39142	1481	18	and	and	CC
39142	1481	19	identified	identify	VBN
39142	1481	20	as	as	IN
39142	1481	21	band	band	NN
39142	1481	22	lines	line	NNS
39142	1481	23	due	due	JJ
39142	1481	24	to	to	IN
39142	1481	25	chemical	chemical	JJ
39142	1481	26	compounds	compound	NNS
39142	1481	27	.	.	.
39142	1482	1	Thus	thus	RB
39142	1482	2	the	the	DT
39142	1482	3	chemical	chemical	NN
39142	1482	4	changes	change	NNS
39142	1482	5	at	at	IN
39142	1482	6	work	work	NN
39142	1482	7	in	in	IN
39142	1482	8	sun	sun	NN
39142	1482	9	-	-	HYPH
39142	1482	10	spot	spot	NN
39142	1482	11	vapors	vapor	NNS
39142	1482	12	were	be	VBD
39142	1482	13	recognized	recognize	VBN
39142	1482	14	.	.	.
39142	1483	1	Then	then	RB
39142	1483	2	followed	follow	VBD
39142	1483	3	the	the	DT
39142	1483	4	highly	highly	RB
39142	1483	5	significant	significant	JJ
39142	1483	6	investigations	investigation	NNS
39142	1483	7	of	of	IN
39142	1483	8	solar	solar	JJ
39142	1483	9	vortices	vortex	NNS
39142	1483	10	and	and	CC
39142	1483	11	magnetic	magnetic	JJ
39142	1483	12	fields	field	NNS
39142	1483	13	.	.	.
39142	1484	1	Improvements	improvement	NNS
39142	1484	2	in	in	IN
39142	1484	3	photographic	photographic	JJ
39142	1484	4	methods	method	NNS
39142	1484	5	had	have	VBD
39142	1484	6	revealed	reveal	VBN
39142	1484	7	immense	immense	JJ
39142	1484	8	vortices	vortex	NNS
39142	1484	9	surrounding	surround	VBG
39142	1484	10	sun	sun	NN
39142	1484	11	spots	spot	NNS
39142	1484	12	in	in	IN
39142	1484	13	the	the	DT
39142	1484	14	higher	high	JJR
39142	1484	15	part	part	NN
39142	1484	16	of	of	IN
39142	1484	17	the	the	DT
39142	1484	18	hydrogen	hydrogen	NNP
39142	1484	19	atmosphere	atmosphere	NN
39142	1484	20	;	;	:
39142	1484	21	and	and	CC
39142	1484	22	this	this	DT
39142	1484	23	led	lead	VBD
39142	1484	24	to	to	IN
39142	1484	25	the	the	DT
39142	1484	26	hypothesis	hypothesis	NN
39142	1484	27	that	that	IN
39142	1484	28	a	a	DT
39142	1484	29	sun	sun	NN
39142	1484	30	spot	spot	NN
39142	1484	31	is	be	VBZ
39142	1484	32	a	a	DT
39142	1484	33	solar	solar	JJ
39142	1484	34	storm	storm	NN
39142	1484	35	,	,	,
39142	1484	36	resembling	resemble	VBG
39142	1484	37	a	a	DT
39142	1484	38	terrestrial	terrestrial	JJ
39142	1484	39	tornado	tornado	NN
39142	1484	40	,	,	,
39142	1484	41	and	and	CC
39142	1484	42	in	in	IN
39142	1484	43	which	which	WDT
39142	1484	44	the	the	DT
39142	1484	45	hot	hot	JJ
39142	1484	46	vapors	vapor	NNS
39142	1484	47	whirling	whirl	VBG
39142	1484	48	at	at	IN
39142	1484	49	high	high	JJ
39142	1484	50	velocity	velocity	NN
39142	1484	51	are	be	VBP
39142	1484	52	cooled	cool	VBN
39142	1484	53	by	by	IN
39142	1484	54	expansion	expansion	NN
39142	1484	55	.	.	.
39142	1485	1	This	this	DT
39142	1485	2	would	would	MD
39142	1485	3	account	account	VB
39142	1485	4	for	for	IN
39142	1485	5	the	the	DT
39142	1485	6	observed	observed	JJ
39142	1485	7	intensity	intensity	NN
39142	1485	8	changes	change	NNS
39142	1485	9	of	of	IN
39142	1485	10	the	the	DT
39142	1485	11	spectrum	spectrum	NN
39142	1485	12	lines	line	NNS
39142	1485	13	and	and	CC
39142	1485	14	the	the	DT
39142	1485	15	presence	presence	NN
39142	1485	16	of	of	IN
39142	1485	17	chemical	chemical	JJ
39142	1485	18	compounds	compound	NNS
39142	1485	19	.	.	.
39142	1486	1	The	the	DT
39142	1486	2	vortex	vortex	NN
39142	1486	3	hypothesis	hypothesis	NN
39142	1486	4	suggested	suggest	VBD
39142	1486	5	an	an	DT
39142	1486	6	explanation	explanation	NN
39142	1486	7	of	of	IN
39142	1486	8	the	the	DT
39142	1486	9	widening	widening	NN
39142	1486	10	of	of	IN
39142	1486	11	many	many	JJ
39142	1486	12	spot	spot	NN
39142	1486	13	lines	line	NNS
39142	1486	14	,	,	,
39142	1486	15	and	and	CC
39142	1486	16	the	the	DT
39142	1486	17	doubling	doubling	NN
39142	1486	18	or	or	CC
39142	1486	19	trebling	trebling	NN
39142	1486	20	of	of	IN
39142	1486	21	some	some	DT
39142	1486	22	of	of	IN
39142	1486	23	them	-PRON-	PRP
39142	1486	24	.	.	.
39142	1487	1	As	as	IN
39142	1487	2	it	-PRON-	PRP
39142	1487	3	is	be	VBZ
39142	1487	4	known	know	VBN
39142	1487	5	that	that	IN
39142	1487	6	electrons	electron	NNS
39142	1487	7	are	be	VBP
39142	1487	8	emitted	emit	VBN
39142	1487	9	by	by	IN
39142	1487	10	hot	hot	JJ
39142	1487	11	bodies	body	NNS
39142	1487	12	,	,	,
39142	1487	13	they	-PRON-	PRP
39142	1487	14	must	must	MD
39142	1487	15	be	be	VB
39142	1487	16	present	present	JJ
39142	1487	17	in	in	IN
39142	1487	18	vast	vast	JJ
39142	1487	19	numbers	number	NNS
39142	1487	20	in	in	IN
39142	1487	21	the	the	DT
39142	1487	22	sun	sun	NN
39142	1487	23	;	;	:
39142	1487	24	and	and	CC
39142	1487	25	positive	positive	JJ
39142	1487	26	or	or	CC
39142	1487	27	negative	negative	JJ
39142	1487	28	electrons	electron	NNS
39142	1487	29	,	,	,
39142	1487	30	if	if	IN
39142	1487	31	caught	catch	VBN
39142	1487	32	and	and	CC
39142	1487	33	whirled	whirl	VBD
39142	1487	34	in	in	IN
39142	1487	35	a	a	DT
39142	1487	36	vortex	vortex	NN
39142	1487	37	,	,	,
39142	1487	38	would	would	MD
39142	1487	39	produce	produce	VB
39142	1487	40	a	a	DT
39142	1487	41	magnetic	magnetic	JJ
39142	1487	42	field	field	NN
39142	1487	43	.	.	.
39142	1488	1	Zeeman	zeeman	NN
39142	1488	2	in	in	IN
39142	1488	3	1896	1896	CD
39142	1488	4	had	have	VBD
39142	1488	5	discovered	discover	VBN
39142	1488	6	that	that	IN
39142	1488	7	the	the	DT
39142	1488	8	lines	line	NNS
39142	1488	9	in	in	IN
39142	1488	10	the	the	DT
39142	1488	11	spectrum	spectrum	NN
39142	1488	12	of	of	IN
39142	1488	13	a	a	DT
39142	1488	14	luminous	luminous	JJ
39142	1488	15	vapor	vapor	NN
39142	1488	16	in	in	IN
39142	1488	17	a	a	DT
39142	1488	18	magnetic	magnetic	JJ
39142	1488	19	field	field	NN
39142	1488	20	are	be	VBP
39142	1488	21	widened	widen	VBN
39142	1488	22	,	,	,
39142	1488	23	or	or	CC
39142	1488	24	even	even	RB
39142	1488	25	split	split	VBD
39142	1488	26	into	into	IN
39142	1488	27	several	several	JJ
39142	1488	28	components	component	NNS
39142	1488	29	if	if	IN
39142	1488	30	the	the	DT
39142	1488	31	field	field	NN
39142	1488	32	is	be	VBZ
39142	1488	33	strong	strong	JJ
39142	1488	34	enough	enough	RB
39142	1488	35	.	.	.
39142	1489	1	Characteristic	characteristic	JJ
39142	1489	2	effects	effect	NNS
39142	1489	3	of	of	IN
39142	1489	4	polarization	polarization	NN
39142	1489	5	appear	appear	VBP
39142	1489	6	also	also	RB
39142	1489	7	.	.	.
39142	1490	1	The	the	DT
39142	1490	2	new	new	JJ
39142	1490	3	apparatus	apparatus	NN
39142	1490	4	of	of	IN
39142	1490	5	the	the	DT
39142	1490	6	observatory	observatory	NN
39142	1490	7	in	in	IN
39142	1490	8	conjunction	conjunction	NN
39142	1490	9	with	with	IN
39142	1490	10	experiments	experiment	NNS
39142	1490	11	in	in	IN
39142	1490	12	the	the	DT
39142	1490	13	laboratory	laboratory	NN
39142	1490	14	immediately	immediately	RB
39142	1490	15	provided	provide	VBD
39142	1490	16	evidence	evidence	NN
39142	1490	17	that	that	WDT
39142	1490	18	proved	prove	VBD
39142	1490	19	the	the	DT
39142	1490	20	existence	existence	NN
39142	1490	21	of	of	IN
39142	1490	22	magnetic	magnetic	JJ
39142	1490	23	fields	field	NNS
39142	1490	24	in	in	IN
39142	1490	25	sun	sun	NN
39142	1490	26	spots	spot	NNS
39142	1490	27	,	,	,
39142	1490	28	and	and	CC
39142	1490	29	strengthened	strengthen	VBD
39142	1490	30	the	the	DT
39142	1490	31	view	view	NN
39142	1490	32	that	that	IN
39142	1490	33	the	the	DT
39142	1490	34	spots	spot	NNS
39142	1490	35	are	be	VBP
39142	1490	36	caused	cause	VBN
39142	1490	37	by	by	IN
39142	1490	38	electric	electric	JJ
39142	1490	39	vortices	vortex	NNS
39142	1490	40	.	.	.
39142	1491	1	Extended	extended	JJ
39142	1491	2	investigations	investigation	NNS
39142	1491	3	have	have	VBP
39142	1491	4	led	lead	VBN
39142	1491	5	Hale	Hale	NNP
39142	1491	6	to	to	IN
39142	1491	7	the	the	DT
39142	1491	8	conclusion	conclusion	NN
39142	1491	9	that	that	IN
39142	1491	10	the	the	DT
39142	1491	11	sun	sun	NN
39142	1491	12	itself	-PRON-	PRP
39142	1491	13	is	be	VBZ
39142	1491	14	a	a	DT
39142	1491	15	magnet	magnet	NN
39142	1491	16	,	,	,
39142	1491	17	with	with	IN
39142	1491	18	its	-PRON-	PRP$
39142	1491	19	poles	pole	NNS
39142	1491	20	situated	situate	VBN
39142	1491	21	at	at	IN
39142	1491	22	or	or	CC
39142	1491	23	near	near	IN
39142	1491	24	the	the	DT
39142	1491	25	poles	pole	NNS
39142	1491	26	of	of	IN
39142	1491	27	rotation	rotation	NN
39142	1491	28	.	.	.
39142	1492	1	In	in	IN
39142	1492	2	this	this	DT
39142	1492	3	respect	respect	NN
39142	1492	4	the	the	DT
39142	1492	5	sun	sun	NN
39142	1492	6	resembles	resemble	VBZ
39142	1492	7	the	the	DT
39142	1492	8	earth	earth	NN
39142	1492	9	,	,	,
39142	1492	10	which	which	WDT
39142	1492	11	has	have	VBZ
39142	1492	12	long	long	RB
39142	1492	13	been	be	VBN
39142	1492	14	known	know	VBN
39142	1492	15	to	to	TO
39142	1492	16	be	be	VB
39142	1492	17	a	a	DT
39142	1492	18	magnet	magnet	NN
39142	1492	19	.	.	.
39142	1493	1	The	the	DT
39142	1493	2	sun	sun	NN
39142	1493	3	's	's	POS
39142	1493	4	axial	axial	JJ
39142	1493	5	rotation	rotation	NN
39142	1493	6	permits	permit	VBZ
39142	1493	7	investigation	investigation	NN
39142	1493	8	of	of	IN
39142	1493	9	the	the	DT
39142	1493	10	magnetic	magnetic	JJ
39142	1493	11	phenomena	phenomenon	NNS
39142	1493	12	of	of	IN
39142	1493	13	all	all	DT
39142	1493	14	parts	part	NNS
39142	1493	15	of	of	IN
39142	1493	16	its	-PRON-	PRP$
39142	1493	17	surface	surface	NN
39142	1493	18	,	,	,
39142	1493	19	so	so	IN
39142	1493	20	that	that	IN
39142	1493	21	ultimately	ultimately	RB
39142	1493	22	the	the	DT
39142	1493	23	exact	exact	JJ
39142	1493	24	position	position	NN
39142	1493	25	of	of	IN
39142	1493	26	the	the	DT
39142	1493	27	sun	sun	NN
39142	1493	28	's	's	POS
39142	1493	29	magnetic	magnetic	JJ
39142	1493	30	poles	pole	NNS
39142	1493	31	and	and	CC
39142	1493	32	the	the	DT
39142	1493	33	intensity	intensity	NN
39142	1493	34	of	of	IN
39142	1493	35	the	the	DT
39142	1493	36	field	field	NN
39142	1493	37	at	at	IN
39142	1493	38	different	different	JJ
39142	1493	39	levels	level	NNS
39142	1493	40	in	in	IN
39142	1493	41	the	the	DT
39142	1493	42	solar	solar	JJ
39142	1493	43	atmosphere	atmosphere	NN
39142	1493	44	will	will	MD
39142	1493	45	be	be	VB
39142	1493	46	ascertained	ascertain	VBN
39142	1493	47	.	.	.
39142	1494	1	Schuster	schuster	NN
39142	1494	2	is	be	VBZ
39142	1494	3	of	of	IN
39142	1494	4	the	the	DT
39142	1494	5	opinion	opinion	NN
39142	1494	6	that	that	IN
39142	1494	7	not	not	RB
39142	1494	8	only	only	RB
39142	1494	9	the	the	DT
39142	1494	10	sun	sun	NN
39142	1494	11	and	and	CC
39142	1494	12	earth	earth	NN
39142	1494	13	,	,	,
39142	1494	14	but	but	CC
39142	1494	15	every	every	DT
39142	1494	16	star	star	NN
39142	1494	17	,	,	,
39142	1494	18	and	and	CC
39142	1494	19	perhaps	perhaps	RB
39142	1494	20	every	every	DT
39142	1494	21	rotating	rotate	VBG
39142	1494	22	body	body	NN
39142	1494	23	,	,	,
39142	1494	24	becomes	become	VBZ
39142	1494	25	a	a	DT
39142	1494	26	magnet	magnet	NN
39142	1494	27	by	by	IN
39142	1494	28	virtue	virtue	NN
39142	1494	29	of	of	IN
39142	1494	30	its	-PRON-	PRP$
39142	1494	31	rotation	rotation	NN
39142	1494	32	.	.	.
39142	1495	1	Hale	Hale	NNP
39142	1495	2	is	be	VBZ
39142	1495	3	confident	confident	JJ
39142	1495	4	that	that	IN
39142	1495	5	the	the	DT
39142	1495	6	100-inch	100-inch	CD
39142	1495	7	reflector	reflector	NN
39142	1495	8	will	will	MD
39142	1495	9	permit	permit	VB
39142	1495	10	the	the	DT
39142	1495	11	test	test	NN
39142	1495	12	for	for	IN
39142	1495	13	magnetism	magnetism	NN
39142	1495	14	to	to	TO
39142	1495	15	be	be	VB
39142	1495	16	applied	apply	VBN
39142	1495	17	to	to	IN
39142	1495	18	a	a	DT
39142	1495	19	few	few	JJ
39142	1495	20	of	of	IN
39142	1495	21	the	the	DT
39142	1495	22	stars	star	NNS
39142	1495	23	.	.	.
39142	1496	1	The	the	DT
39142	1496	2	sun	sun	NN
39142	1496	3	can	can	MD
39142	1496	4	be	be	VB
39142	1496	5	observed	observe	VBN
39142	1496	6	at	at	IN
39142	1496	7	Mount	Mount	NNP
39142	1496	8	Wilson	Wilson	NNP
39142	1496	9	on	on	IN
39142	1496	10	at	at	IN
39142	1496	11	least	least	JJS
39142	1496	12	nine	nine	CD
39142	1496	13	-	-	HYPH
39142	1496	14	tenths	tenth	NNS
39142	1496	15	of	of	IN
39142	1496	16	all	all	PDT
39142	1496	17	the	the	DT
39142	1496	18	days	day	NNS
39142	1496	19	in	in	IN
39142	1496	20	the	the	DT
39142	1496	21	year	year	NN
39142	1496	22	,	,	,
39142	1496	23	and	and	CC
39142	1496	24	a	a	DT
39142	1496	25	daily	daily	JJ
39142	1496	26	record	record	NN
39142	1496	27	of	of	IN
39142	1496	28	the	the	DT
39142	1496	29	polarities	polarity	NNS
39142	1496	30	of	of	IN
39142	1496	31	all	all	DT
39142	1496	32	spots	spot	NNS
39142	1496	33	with	with	IN
39142	1496	34	the	the	DT
39142	1496	35	150-foot	150-foot	CD
39142	1496	36	tower	tower	NN
39142	1496	37	telescope	telescope	NN
39142	1496	38	is	be	VBZ
39142	1496	39	a	a	DT
39142	1496	40	part	part	NN
39142	1496	41	of	of	IN
39142	1496	42	the	the	DT
39142	1496	43	routine	routine	NN
39142	1496	44	.	.	.
39142	1497	1	A	a	DT
39142	1497	2	method	method	NN
39142	1497	3	has	have	VBZ
39142	1497	4	been	be	VBN
39142	1497	5	devised	devise	VBN
39142	1497	6	for	for	IN
39142	1497	7	classifying	classify	VBG
39142	1497	8	sun	sun	NN
39142	1497	9	spots	spot	NNS
39142	1497	10	on	on	IN
39142	1497	11	the	the	DT
39142	1497	12	basis	basis	NN
39142	1497	13	of	of	IN
39142	1497	14	their	-PRON-	PRP$
39142	1497	15	magnetic	magnetic	JJ
39142	1497	16	properties	property	NNS
39142	1497	17	,	,	,
39142	1497	18	and	and	CC
39142	1497	19	more	more	JJR
39142	1497	20	than	than	IN
39142	1497	21	a	a	DT
39142	1497	22	thousand	thousand	CD
39142	1497	23	spots	spot	NNS
39142	1497	24	have	have	VBP
39142	1497	25	already	already	RB
39142	1497	26	been	be	VBN
39142	1497	27	so	so	RB
39142	1497	28	classified	classified	JJ
39142	1497	29	.	.	.
39142	1498	1	About	about	RB
39142	1498	2	60	60	CD
39142	1498	3	per	per	NN
39142	1498	4	cent	cent	NN
39142	1498	5	of	of	IN
39142	1498	6	all	all	DT
39142	1498	7	sun	sun	NN
39142	1498	8	spots	spot	NNS
39142	1498	9	are	be	VBP
39142	1498	10	found	find	VBN
39142	1498	11	to	to	TO
39142	1498	12	be	be	VB
39142	1498	13	binary	binary	JJ
39142	1498	14	groups	group	NNS
39142	1498	15	,	,	,
39142	1498	16	the	the	DT
39142	1498	17	single	single	JJ
39142	1498	18	or	or	CC
39142	1498	19	multiple	multiple	JJ
39142	1498	20	members	member	NNS
39142	1498	21	of	of	IN
39142	1498	22	which	which	WDT
39142	1498	23	are	be	VBP
39142	1498	24	of	of	IN
39142	1498	25	opposite	opposite	JJ
39142	1498	26	magnetic	magnetic	JJ
39142	1498	27	polarity	polarity	NN
39142	1498	28	.	.	.
39142	1499	1	Unipolar	unipolar	JJ
39142	1499	2	spots	spot	NNS
39142	1499	3	are	be	VBP
39142	1499	4	very	very	RB
39142	1499	5	seldom	seldom	RB
39142	1499	6	observed	observe	VBN
39142	1499	7	without	without	IN
39142	1499	8	some	some	DT
39142	1499	9	indication	indication	NN
39142	1499	10	of	of	IN
39142	1499	11	the	the	DT
39142	1499	12	characteristics	characteristic	NNS
39142	1499	13	of	of	IN
39142	1499	14	bipolar	bipolar	JJ
39142	1499	15	groups	group	NNS
39142	1499	16	.	.	.
39142	1500	1	These	these	DT
39142	1500	2	are	be	VBP
39142	1500	3	usually	usually	RB
39142	1500	4	exhibited	exhibit	VBN
39142	1500	5	in	in	IN
39142	1500	6	the	the	DT
39142	1500	7	form	form	NN
39142	1500	8	of	of	IN
39142	1500	9	flocculi	flocculi	NNP
39142	1500	10	following	follow	VBG
39142	1500	11	the	the	DT
39142	1500	12	spot	spot	NN
39142	1500	13	.	.	.
39142	1501	1	The	the	DT
39142	1501	2	bipolar	bipolar	JJ
39142	1501	3	spot	spot	NN
39142	1501	4	seems	seem	VBZ
39142	1501	5	to	to	TO
39142	1501	6	be	be	VB
39142	1501	7	the	the	DT
39142	1501	8	dominant	dominant	JJ
39142	1501	9	type	type	NN
39142	1501	10	,	,	,
39142	1501	11	and	and	CC
39142	1501	12	the	the	DT
39142	1501	13	unipolar	unipolar	JJ
39142	1501	14	type	type	NN
39142	1501	15	a	a	DT
39142	1501	16	variant	variant	NN
39142	1501	17	of	of	IN
39142	1501	18	it	-PRON-	PRP
39142	1501	19	.	.	.
39142	1502	1	Although	although	IN
39142	1502	2	devised	devise	VBN
39142	1502	3	for	for	IN
39142	1502	4	quite	quite	PDT
39142	1502	5	another	another	DT
39142	1502	6	purpose	purpose	NN
39142	1502	7	,	,	,
39142	1502	8	that	that	DT
39142	1502	9	of	of	IN
39142	1502	10	photographing	photograph	VBG
39142	1502	11	the	the	DT
39142	1502	12	hydrogen	hydrogen	NN
39142	1502	13	prominences	prominence	NNS
39142	1502	14	on	on	IN
39142	1502	15	the	the	DT
39142	1502	16	limb	limb	NN
39142	1502	17	of	of	IN
39142	1502	18	the	the	DT
39142	1502	19	sun	sun	NN
39142	1502	20	,	,	,
39142	1502	21	the	the	DT
39142	1502	22	spectroheliograph	spectroheliograph	NN
39142	1502	23	has	have	VBZ
39142	1502	24	contributed	contribute	VBN
39142	1502	25	very	very	RB
39142	1502	26	effectively	effectively	RB
39142	1502	27	to	to	IN
39142	1502	28	many	many	JJ
39142	1502	29	departments	department	NNS
39142	1502	30	of	of	IN
39142	1502	31	solar	solar	JJ
39142	1502	32	research	research	NN
39142	1502	33	.	.	.
39142	1503	1	The	the	DT
39142	1503	2	prominences	prominence	NNS
39142	1503	3	are	be	VBP
39142	1503	4	dull	dull	JJ
39142	1503	5	reddish	reddish	JJ
39142	1503	6	cloudlets	cloudlet	NNS
39142	1503	7	that	that	WDT
39142	1503	8	were	be	VBD
39142	1503	9	first	first	RB
39142	1503	10	seen	see	VBN
39142	1503	11	during	during	IN
39142	1503	12	total	total	JJ
39142	1503	13	eclipses	eclipse	NNS
39142	1503	14	of	of	IN
39142	1503	15	the	the	DT
39142	1503	16	sun	sun	NN
39142	1503	17	.	.	.
39142	1504	1	Probably	probably	RB
39142	1504	2	Vassenius	Vassenius	NNP
39142	1504	3	,	,	,
39142	1504	4	a	a	DT
39142	1504	5	Swedish	swedish	JJ
39142	1504	6	astronomer	astronomer	NN
39142	1504	7	,	,	,
39142	1504	8	during	during	IN
39142	1504	9	the	the	DT
39142	1504	10	total	total	JJ
39142	1504	11	eclipse	eclipse	NN
39142	1504	12	of	of	IN
39142	1504	13	1733	1733	CD
39142	1504	14	,	,	,
39142	1504	15	made	make	VBD
39142	1504	16	the	the	DT
39142	1504	17	earliest	early	JJS
39142	1504	18	record	record	NN
39142	1504	19	of	of	IN
39142	1504	20	them	-PRON-	PRP
39142	1504	21	,	,	,
39142	1504	22	as	as	IN
39142	1504	23	pinkish	pinkish	JJ
39142	1504	24	clouds	cloud	NNS
39142	1504	25	quite	quite	RB
39142	1504	26	detached	detach	VBN
39142	1504	27	from	from	IN
39142	1504	28	the	the	DT
39142	1504	29	edge	edge	NN
39142	1504	30	of	of	IN
39142	1504	31	the	the	DT
39142	1504	32	moon	moon	NN
39142	1504	33	;	;	:
39142	1504	34	and	and	CC
39142	1504	35	in	in	IN
39142	1504	36	that	that	DT
39142	1504	37	day	day	NN
39142	1504	38	,	,	,
39142	1504	39	when	when	WRB
39142	1504	40	it	-PRON-	PRP
39142	1504	41	had	have	VBD
39142	1504	42	not	not	RB
39142	1504	43	yet	yet	RB
39142	1504	44	been	be	VBN
39142	1504	45	proved	prove	VBN
39142	1504	46	that	that	IN
39142	1504	47	the	the	DT
39142	1504	48	moon	moon	NN
39142	1504	49	was	be	VBD
39142	1504	50	without	without	IN
39142	1504	51	atmosphere	atmosphere	NN
39142	1504	52	,	,	,
39142	1504	53	he	-PRON-	PRP
39142	1504	54	naturally	naturally	RB
39142	1504	55	thought	think	VBD
39142	1504	56	they	-PRON-	PRP
39142	1504	57	belonged	belong	VBD
39142	1504	58	to	to	IN
39142	1504	59	the	the	DT
39142	1504	60	moon	moon	NN
39142	1504	61	,	,	,
39142	1504	62	not	not	RB
39142	1504	63	the	the	DT
39142	1504	64	sun	sun	NN
39142	1504	65	.	.	.
39142	1505	1	Undoubtedly	undoubtedly	RB
39142	1505	2	Ulloa	Ulloa	NNP
39142	1505	3	,	,	,
39142	1505	4	a	a	DT
39142	1505	5	Spanish	spanish	JJ
39142	1505	6	admiral	admiral	NN
39142	1505	7	,	,	,
39142	1505	8	also	also	RB
39142	1505	9	saw	see	VBD
39142	1505	10	the	the	DT
39142	1505	11	prominences	prominence	NNS
39142	1505	12	in	in	IN
39142	1505	13	observing	observe	VBG
39142	1505	14	the	the	DT
39142	1505	15	total	total	JJ
39142	1505	16	eclipse	eclipse	NN
39142	1505	17	of	of	IN
39142	1505	18	1778	1778	CD
39142	1505	19	;	;	:
39142	1505	20	but	but	CC
39142	1505	21	they	-PRON-	PRP
39142	1505	22	seem	seem	VBP
39142	1505	23	to	to	TO
39142	1505	24	have	have	VB
39142	1505	25	attracted	attract	VBN
39142	1505	26	little	little	JJ
39142	1505	27	attention	attention	NN
39142	1505	28	till	till	IN
39142	1505	29	1842	1842	CD
39142	1505	30	,	,	,
39142	1505	31	when	when	WRB
39142	1505	32	a	a	DT
39142	1505	33	very	very	RB
39142	1505	34	important	important	JJ
39142	1505	35	total	total	JJ
39142	1505	36	eclipse	eclipse	NN
39142	1505	37	was	be	VBD
39142	1505	38	central	central	JJ
39142	1505	39	throughout	throughout	IN
39142	1505	40	Europe	Europe	NNP
39142	1505	41	,	,	,
39142	1505	42	and	and	CC
39142	1505	43	observed	observe	VBN
39142	1505	44	with	with	IN
39142	1505	45	great	great	JJ
39142	1505	46	care	care	NN
39142	1505	47	by	by	IN
39142	1505	48	many	many	JJ
39142	1505	49	of	of	IN
39142	1505	50	the	the	DT
39142	1505	51	eminent	eminent	JJ
39142	1505	52	astronomers	astronomer	NNS
39142	1505	53	of	of	IN
39142	1505	54	all	all	DT
39142	1505	55	countries	country	NNS
39142	1505	56	.	.	.
39142	1506	1	So	so	RB
39142	1506	2	different	different	JJ
39142	1506	3	did	do	VBD
39142	1506	4	the	the	DT
39142	1506	5	prominences	prominence	NNS
39142	1506	6	appear	appear	VB
39142	1506	7	to	to	IN
39142	1506	8	different	different	JJ
39142	1506	9	eyes	eye	NNS
39142	1506	10	,	,	,
39142	1506	11	and	and	CC
39142	1506	12	so	so	RB
39142	1506	13	many	many	JJ
39142	1506	14	were	be	VBD
39142	1506	15	the	the	DT
39142	1506	16	theories	theory	NNS
39142	1506	17	as	as	IN
39142	1506	18	to	to	IN
39142	1506	19	what	what	WP
39142	1506	20	they	-PRON-	PRP
39142	1506	21	were	be	VBD
39142	1506	22	,	,	,
39142	1506	23	that	that	IN
39142	1506	24	no	no	DT
39142	1506	25	general	general	JJ
39142	1506	26	consensus	consensus	NN
39142	1506	27	of	of	IN
39142	1506	28	opinion	opinion	NN
39142	1506	29	was	be	VBD
39142	1506	30	reached	reach	VBN
39142	1506	31	,	,	,
39142	1506	32	and	and	CC
39142	1506	33	some	some	DT
39142	1506	34	thought	think	VBD
39142	1506	35	them	-PRON-	PRP
39142	1506	36	no	no	DT
39142	1506	37	part	part	NN
39142	1506	38	of	of	IN
39142	1506	39	either	either	DT
39142	1506	40	sun	sun	NN
39142	1506	41	or	or	CC
39142	1506	42	moon	moon	NN
39142	1506	43	,	,	,
39142	1506	44	but	but	CC
39142	1506	45	a	a	DT
39142	1506	46	mere	mere	JJ
39142	1506	47	mirage	mirage	NN
39142	1506	48	or	or	CC
39142	1506	49	optical	optical	JJ
39142	1506	50	illusion	illusion	NN
39142	1506	51	.	.	.
39142	1507	1	But	but	CC
39142	1507	2	at	at	IN
39142	1507	3	the	the	DT
39142	1507	4	return	return	NN
39142	1507	5	of	of	IN
39142	1507	6	this	this	DT
39142	1507	7	eclipse	eclipse	NN
39142	1507	8	in	in	IN
39142	1507	9	1860	1860	CD
39142	1507	10	,	,	,
39142	1507	11	photography	photography	NN
39142	1507	12	was	be	VBD
39142	1507	13	employed	employ	VBN
39142	1507	14	so	so	IN
39142	1507	15	as	as	IN
39142	1507	16	to	to	TO
39142	1507	17	demonstrate	demonstrate	VB
39142	1507	18	beyond	beyond	IN
39142	1507	19	a	a	DT
39142	1507	20	shadow	shadow	NN
39142	1507	21	of	of	IN
39142	1507	22	doubt	doubt	NN
39142	1507	23	the	the	DT
39142	1507	24	real	real	JJ
39142	1507	25	existence	existence	NN
39142	1507	26	and	and	CC
39142	1507	27	true	true	JJ
39142	1507	28	solar	solar	JJ
39142	1507	29	character	character	NN
39142	1507	30	of	of	IN
39142	1507	31	the	the	DT
39142	1507	32	prominences	prominence	NNS
39142	1507	33	.	.	.
39142	1508	1	By	by	IN
39142	1508	2	the	the	DT
39142	1508	3	slow	slow	JJ
39142	1508	4	progress	progress	NN
39142	1508	5	of	of	IN
39142	1508	6	the	the	DT
39142	1508	7	moon	moon	NN
39142	1508	8	across	across	IN
39142	1508	9	the	the	DT
39142	1508	10	sun	sun	NN
39142	1508	11	and	and	CC
39142	1508	12	the	the	DT
39142	1508	13	prominences	prominence	NNS
39142	1508	14	on	on	IN
39142	1508	15	the	the	DT
39142	1508	16	edge	edge	NN
39142	1508	17	,	,	,
39142	1508	18	a	a	DT
39142	1508	19	unique	unique	JJ
39142	1508	20	series	series	NN
39142	1508	21	of	of	IN
39142	1508	22	photographs	photograph	NNS
39142	1508	23	by	by	IN
39142	1508	24	De	De	NNP
39142	1508	25	la	la	NNP
39142	1508	26	Rue	Rue	NNP
39142	1508	27	showed	show	VBD
39142	1508	28	the	the	DT
39142	1508	29	moon	moon	NN
39142	1508	30	's	's	POS
39142	1508	31	edge	edge	NN
39142	1508	32	gradually	gradually	RB
39142	1508	33	cutting	cut	VBG
39142	1508	34	off	off	RP
39142	1508	35	the	the	DT
39142	1508	36	prominences	prominence	NNS
39142	1508	37	piecemeal	piecemeal	RB
39142	1508	38	on	on	IN
39142	1508	39	one	one	CD
39142	1508	40	side	side	NN
39142	1508	41	of	of	IN
39142	1508	42	the	the	DT
39142	1508	43	sun	sun	NN
39142	1508	44	,	,	,
39142	1508	45	and	and	CC
39142	1508	46	equally	equally	RB
39142	1508	47	gradually	gradually	RB
39142	1508	48	uncovering	uncover	VBG
39142	1508	49	them	-PRON-	PRP
39142	1508	50	on	on	IN
39142	1508	51	the	the	DT
39142	1508	52	opposite	opposite	JJ
39142	1508	53	side	side	NN
39142	1508	54	.	.	.
39142	1509	1	The	the	DT
39142	1509	2	prominences	prominence	NNS
39142	1509	3	,	,	,
39142	1509	4	then	then	RB
39142	1509	5	,	,	,
39142	1509	6	were	be	VBD
39142	1509	7	known	know	VBN
39142	1509	8	to	to	TO
39142	1509	9	be	be	VB
39142	1509	10	real	real	JJ
39142	1509	11	phenomena	phenomenon	NNS
39142	1509	12	of	of	IN
39142	1509	13	the	the	DT
39142	1509	14	sun	sun	NN
39142	1509	15	,	,	,
39142	1509	16	some	some	DT
39142	1509	17	of	of	IN
39142	1509	18	them	-PRON-	PRP
39142	1509	19	disconnectedly	disconnectedly	RB
39142	1509	20	floating	float	VBG
39142	1509	21	in	in	IN
39142	1509	22	his	-PRON-	PRP$
39142	1509	23	atmosphere	atmosphere	NN
39142	1509	24	,	,	,
39142	1509	25	as	as	IN
39142	1509	26	if	if	IN
39142	1509	27	clouds	cloud	NNS
39142	1509	28	.	.	.
39142	1510	1	Their	-PRON-	PRP$
39142	1510	2	forms	form	NNS
39142	1510	3	did	do	VBD
39142	1510	4	not	not	RB
39142	1510	5	vary	vary	VB
39142	1510	6	rapidly	rapidly	RB
39142	1510	7	,	,	,
39142	1510	8	they	-PRON-	PRP
39142	1510	9	were	be	VBD
39142	1510	10	very	very	RB
39142	1510	11	abundant	abundant	JJ
39142	1510	12	,	,	,
39142	1510	13	and	and	CC
39142	1510	14	their	-PRON-	PRP$
39142	1510	15	light	light	NN
39142	1510	16	was	be	VBD
39142	1510	17	so	so	RB
39142	1510	18	rich	rich	JJ
39142	1510	19	in	in	IN
39142	1510	20	rays	ray	NNS
39142	1510	21	of	of	IN
39142	1510	22	great	great	JJ
39142	1510	23	photographic	photographic	JJ
39142	1510	24	intensity	intensity	NN
39142	1510	25	that	that	WDT
39142	1510	26	many	many	JJ
39142	1510	27	were	be	VBD
39142	1510	28	caught	catch	VBN
39142	1510	29	on	on	IN
39142	1510	30	the	the	DT
39142	1510	31	plate	plate	NN
39142	1510	32	which	which	WDT
39142	1510	33	the	the	DT
39142	1510	34	eye	eye	NN
39142	1510	35	failed	fail	VBD
39142	1510	36	to	to	TO
39142	1510	37	see	see	VB
39142	1510	38	;	;	:
39142	1510	39	they	-PRON-	PRP
39142	1510	40	appeared	appear	VBD
39142	1510	41	at	at	IN
39142	1510	42	every	every	DT
39142	1510	43	part	part	NN
39142	1510	44	of	of	IN
39142	1510	45	the	the	DT
39142	1510	46	sun	sun	NN
39142	1510	47	's	's	POS
39142	1510	48	limb	limb	NN
39142	1510	49	and	and	CC
39142	1510	50	their	-PRON-	PRP$
39142	1510	51	height	height	NN
39142	1510	52	above	above	IN
39142	1510	53	it	-PRON-	PRP
39142	1510	54	indicated	indicate	VBD
39142	1510	55	that	that	IN
39142	1510	56	they	-PRON-	PRP
39142	1510	57	must	must	MD
39142	1510	58	be	be	VB
39142	1510	59	many	many	JJ
39142	1510	60	thousand	thousand	CD
39142	1510	61	miles	mile	NNS
39142	1510	62	in	in	IN
39142	1510	63	actual	actual	JJ
39142	1510	64	dimension	dimension	NN
39142	1510	65	.	.	.
39142	1511	1	What	what	WP
39142	1511	2	they	-PRON-	PRP
39142	1511	3	were	be	VBD
39142	1511	4	,	,	,
39142	1511	5	however	however	RB
39142	1511	6	,	,	,
39142	1511	7	remained	remain	VBD
39142	1511	8	an	an	DT
39142	1511	9	entire	entire	JJ
39142	1511	10	mystery	mystery	NN
39142	1511	11	,	,	,
39142	1511	12	and	and	CC
39142	1511	13	no	no	DT
39142	1511	14	one	one	NN
39142	1511	15	even	even	RB
39142	1511	16	thought	think	VBD
39142	1511	17	it	-PRON-	PRP
39142	1511	18	possible	possible	JJ
39142	1511	19	to	to	TO
39142	1511	20	find	find	VB
39142	1511	21	out	out	RP
39142	1511	22	what	what	WP
39142	1511	23	their	-PRON-	PRP$
39142	1511	24	chemical	chemical	NN
39142	1511	25	constitution	constitution	NN
39142	1511	26	might	may	MD
39142	1511	27	be	be	VB
39142	1511	28	or	or	CC
39142	1511	29	to	to	TO
39142	1511	30	measure	measure	VB
39142	1511	31	the	the	DT
39142	1511	32	speed	speed	NN
39142	1511	33	with	with	IN
39142	1511	34	which	which	WDT
39142	1511	35	they	-PRON-	PRP
39142	1511	36	moved	move	VBD
39142	1511	37	.	.	.
39142	1512	1	A	a	DT
39142	1512	2	few	few	JJ
39142	1512	3	years	year	NNS
39142	1512	4	later	later	RB
39142	1512	5	came	come	VBD
39142	1512	6	the	the	DT
39142	1512	7	great	great	JJ
39142	1512	8	Indian	indian	JJ
39142	1512	9	eclipse	eclipse	NN
39142	1512	10	(	(	-LRB-
39142	1512	11	August	August	NNP
39142	1512	12	28	28	CD
39142	1512	13	,	,	,
39142	1512	14	1868	1868	CD
39142	1512	15	)	)	-RRB-
39142	1512	16	,	,	,
39142	1512	17	at	at	IN
39142	1512	18	that	that	DT
39142	1512	19	date	date	NN
39142	1512	20	the	the	DT
39142	1512	21	longest	long	JJS
39142	1512	22	total	total	JJ
39142	1512	23	eclipse	eclipse	NN
39142	1512	24	ever	ever	RB
39142	1512	25	observed	observe	VBN
39142	1512	26	.	.	.
39142	1513	1	Janssen	Janssen	NNP
39142	1513	2	of	of	IN
39142	1513	3	France	France	NNP
39142	1513	4	and	and	CC
39142	1513	5	many	many	JJ
39142	1513	6	others	other	NNS
39142	1513	7	went	go	VBD
39142	1513	8	out	out	RP
39142	1513	9	to	to	IN
39142	1513	10	India	India	NNP
39142	1513	11	to	to	TO
39142	1513	12	witness	witness	VB
39142	1513	13	it	-PRON-	PRP
39142	1513	14	.	.	.
39142	1514	1	Fortunately	fortunately	RB
39142	1514	2	the	the	DT
39142	1514	3	prominences	prominence	NNS
39142	1514	4	were	be	VBD
39142	1514	5	very	very	RB
39142	1514	6	brilliant	brilliant	JJ
39142	1514	7	and	and	CC
39142	1514	8	this	this	DT
39142	1514	9	led	lead	VBD
39142	1514	10	Janssen	Janssen	NNP
39142	1514	11	to	to	TO
39142	1514	12	believe	believe	VB
39142	1514	13	it	-PRON-	PRP
39142	1514	14	would	would	MD
39142	1514	15	be	be	VB
39142	1514	16	possible	possible	JJ
39142	1514	17	for	for	IN
39142	1514	18	him	-PRON-	PRP
39142	1514	19	to	to	TO
39142	1514	20	see	see	VB
39142	1514	21	them	-PRON-	PRP
39142	1514	22	the	the	DT
39142	1514	23	day	day	NN
39142	1514	24	after	after	IN
39142	1514	25	the	the	DT
39142	1514	26	eclipse	eclipse	NN
39142	1514	27	was	be	VBD
39142	1514	28	over	over	RB
39142	1514	29	.	.	.
39142	1515	1	By	by	IN
39142	1515	2	modifying	modify	VBG
39142	1515	3	the	the	DT
39142	1515	4	adjustment	adjustment	NN
39142	1515	5	of	of	IN
39142	1515	6	his	-PRON-	PRP$
39142	1515	7	apparatus	apparatus	NN
39142	1515	8	suitably	suitably	RB
39142	1515	9	and	and	CC
39142	1515	10	changing	change	VBG
39142	1515	11	its	-PRON-	PRP$
39142	1515	12	relation	relation	NN
39142	1515	13	to	to	IN
39142	1515	14	the	the	DT
39142	1515	15	sun	sun	NN
39142	1515	16	's	's	POS
39142	1515	17	edge	edge	NN
39142	1515	18	,	,	,
39142	1515	19	he	-PRON-	PRP
39142	1515	20	found	find	VBD
39142	1515	21	that	that	IN
39142	1515	22	hydrogen	hydrogen	NN
39142	1515	23	is	be	VBZ
39142	1515	24	the	the	DT
39142	1515	25	main	main	JJ
39142	1515	26	constituent	constituent	NN
39142	1515	27	in	in	IN
39142	1515	28	the	the	DT
39142	1515	29	light	light	NN
39142	1515	30	of	of	IN
39142	1515	31	the	the	DT
39142	1515	32	prominences	prominence	NNS
39142	1515	33	.	.	.
39142	1516	1	In	in	IN
39142	1516	2	addition	addition	NN
39142	1516	3	to	to	IN
39142	1516	4	this	this	DT
39142	1516	5	he	-PRON-	PRP
39142	1516	6	was	be	VBD
39142	1516	7	able	able	JJ
39142	1516	8	to	to	TO
39142	1516	9	trace	trace	VB
39142	1516	10	out	out	RP
39142	1516	11	the	the	DT
39142	1516	12	shapes	shape	NNS
39142	1516	13	of	of	IN
39142	1516	14	the	the	DT
39142	1516	15	prominences	prominence	NNS
39142	1516	16	,	,	,
39142	1516	17	and	and	CC
39142	1516	18	even	even	RB
39142	1516	19	measure	measure	VBP
39142	1516	20	their	-PRON-	PRP$
39142	1516	21	dimensions	dimension	NNS
39142	1516	22	.	.	.
39142	1517	1	His	-PRON-	PRP$
39142	1517	2	station	station	NN
39142	1517	3	in	in	IN
39142	1517	4	India	India	NNP
39142	1517	5	was	be	VBD
39142	1517	6	at	at	IN
39142	1517	7	Guntoor	Guntoor	NNP
39142	1517	8	,	,	,
39142	1517	9	many	many	JJ
39142	1517	10	weeks	week	NNS
39142	1517	11	by	by	IN
39142	1517	12	post	post	NN
39142	1517	13	from	from	IN
39142	1517	14	home	home	NN
39142	1517	15	;	;	:
39142	1517	16	so	so	IN
39142	1517	17	that	that	IN
39142	1517	18	his	-PRON-	PRP$
39142	1517	19	account	account	NN
39142	1517	20	of	of	IN
39142	1517	21	this	this	DT
39142	1517	22	important	important	JJ
39142	1517	23	discovery	discovery	NN
39142	1517	24	reached	reach	VBD
39142	1517	25	the	the	DT
39142	1517	26	Paris	Paris	NNP
39142	1517	27	Academy	Academy	NNP
39142	1517	28	of	of	IN
39142	1517	29	Sciences	Sciences	NNPS
39142	1517	30	for	for	IN
39142	1517	31	communication	communication	NN
39142	1517	32	with	with	IN
39142	1517	33	another	another	DT
39142	1517	34	from	from	IN
39142	1517	35	the	the	DT
39142	1517	36	late	late	JJ
39142	1517	37	Sir	Sir	NNP
39142	1517	38	Norman	Norman	NNP
39142	1517	39	Lockyer	Lockyer	NNP
39142	1517	40	of	of	IN
39142	1517	41	England	England	NNP
39142	1517	42	,	,	,
39142	1517	43	announcing	announce	VBG
39142	1517	44	a	a	DT
39142	1517	45	like	like	JJ
39142	1517	46	discovery	discovery	NN
39142	1517	47	,	,	,
39142	1517	48	wholly	wholly	RB
39142	1517	49	independently	independently	RB
39142	1517	50	.	.	.
39142	1518	1	The	the	DT
39142	1518	2	principle	principle	NN
39142	1518	3	is	be	VBZ
39142	1518	4	simply	simply	RB
39142	1518	5	this	this	DT
39142	1518	6	,	,	,
39142	1518	7	and	and	CC
39142	1518	8	admirably	admirably	RB
39142	1518	9	stated	state	VBN
39142	1518	10	by	by	IN
39142	1518	11	Young	Young	NNP
39142	1518	12	:	:	:
39142	1518	13	"	"	``
39142	1518	14	Under	under	IN
39142	1518	15	ordinary	ordinary	JJ
39142	1518	16	circumstances	circumstance	NNS
39142	1518	17	the	the	DT
39142	1518	18	prominences	prominence	NNS
39142	1518	19	are	be	VBP
39142	1518	20	invisible	invisible	JJ
39142	1518	21	,	,	,
39142	1518	22	for	for	IN
39142	1518	23	the	the	DT
39142	1518	24	same	same	JJ
39142	1518	25	reason	reason	NN
39142	1518	26	as	as	IN
39142	1518	27	the	the	DT
39142	1518	28	stars	star	NNS
39142	1518	29	in	in	IN
39142	1518	30	the	the	DT
39142	1518	31	daytime	daytime	NN
39142	1518	32	:	:	:
39142	1518	33	they	-PRON-	PRP
39142	1518	34	are	be	VBP
39142	1518	35	hidden	hide	VBN
39142	1518	36	by	by	IN
39142	1518	37	the	the	DT
39142	1518	38	intense	intense	JJ
39142	1518	39	light	light	NN
39142	1518	40	reflected	reflect	VBN
39142	1518	41	from	from	IN
39142	1518	42	the	the	DT
39142	1518	43	particles	particle	NNS
39142	1518	44	of	of	IN
39142	1518	45	our	-PRON-	PRP$
39142	1518	46	own	own	JJ
39142	1518	47	atmosphere	atmosphere	NN
39142	1518	48	near	near	IN
39142	1518	49	the	the	DT
39142	1518	50	sun	sun	NN
39142	1518	51	's	's	POS
39142	1518	52	place	place	NN
39142	1518	53	in	in	IN
39142	1518	54	the	the	DT
39142	1518	55	sky	sky	NN
39142	1518	56	;	;	:
39142	1518	57	and	and	CC
39142	1518	58	if	if	IN
39142	1518	59	we	-PRON-	PRP
39142	1518	60	could	could	MD
39142	1518	61	only	only	RB
39142	1518	62	sufficiently	sufficiently	RB
39142	1518	63	weaken	weaken	VB
39142	1518	64	this	this	DT
39142	1518	65	aerial	aerial	JJ
39142	1518	66	illumination	illumination	NN
39142	1518	67	,	,	,
39142	1518	68	without	without	IN
39142	1518	69	at	at	IN
39142	1518	70	the	the	DT
39142	1518	71	same	same	JJ
39142	1518	72	time	time	NN
39142	1518	73	weakening	weaken	VBG
39142	1518	74	_	_	NNP
39142	1518	75	their	-PRON-	PRP$
39142	1518	76	_	_	NNP
39142	1518	77	light	light	NN
39142	1518	78	,	,	,
39142	1518	79	the	the	DT
39142	1518	80	end	end	NN
39142	1518	81	would	would	MD
39142	1518	82	be	be	VB
39142	1518	83	gained	gain	VBN
39142	1518	84	.	.	.
39142	1519	1	And	and	CC
39142	1519	2	the	the	DT
39142	1519	3	spectroscope	spectroscope	NN
39142	1519	4	accomplishes	accomplish	VBZ
39142	1519	5	this	this	DT
39142	1519	6	very	very	JJ
39142	1519	7	thing	thing	NN
39142	1519	8	.	.	.
39142	1520	1	Since	since	IN
39142	1520	2	the	the	DT
39142	1520	3	air	air	NN
39142	1520	4	-	-	HYPH
39142	1520	5	light	light	NN
39142	1520	6	is	be	VBZ
39142	1520	7	reflected	reflect	VBN
39142	1520	8	sunshine	sunshine	NN
39142	1520	9	,	,	,
39142	1520	10	it	-PRON-	PRP
39142	1520	11	of	of	IN
39142	1520	12	course	course	NN
39142	1520	13	presents	present	VBZ
39142	1520	14	the	the	DT
39142	1520	15	same	same	JJ
39142	1520	16	spectrum	spectrum	NN
39142	1520	17	as	as	IN
39142	1520	18	sunlight	sunlight	NN
39142	1520	19	,	,	,
39142	1520	20	a	a	DT
39142	1520	21	continuous	continuous	JJ
39142	1520	22	band	band	NN
39142	1520	23	of	of	IN
39142	1520	24	color	color	NN
39142	1520	25	crossed	cross	VBN
39142	1520	26	by	by	IN
39142	1520	27	dark	dark	JJ
39142	1520	28	lines	line	NNS
39142	1520	29	.	.	.
39142	1521	1	Now	now	RB
39142	1521	2	,	,	,
39142	1521	3	this	this	DT
39142	1521	4	sort	sort	NN
39142	1521	5	of	of	IN
39142	1521	6	spectrum	spectrum	NN
39142	1521	7	is	be	VBZ
39142	1521	8	greatly	greatly	RB
39142	1521	9	weakened	weaken	VBN
39142	1521	10	by	by	IN
39142	1521	11	every	every	DT
39142	1521	12	increase	increase	NN
39142	1521	13	of	of	IN
39142	1521	14	dispersive	dispersive	JJ
39142	1521	15	power	power	NN
39142	1521	16	,	,	,
39142	1521	17	because	because	IN
39142	1521	18	the	the	DT
39142	1521	19	light	light	NN
39142	1521	20	is	be	VBZ
39142	1521	21	spread	spread	VBN
39142	1521	22	out	out	RP
39142	1521	23	into	into	IN
39142	1521	24	a	a	DT
39142	1521	25	longer	long	JJR
39142	1521	26	ribbon	ribbon	NN
39142	1521	27	and	and	CC
39142	1521	28	made	make	VBN
39142	1521	29	to	to	TO
39142	1521	30	cover	cover	VB
39142	1521	31	a	a	DT
39142	1521	32	more	more	RBR
39142	1521	33	extended	extended	JJ
39142	1521	34	area	area	NN
39142	1521	35	.	.	.
39142	1522	1	On	on	IN
39142	1522	2	the	the	DT
39142	1522	3	other	other	JJ
39142	1522	4	hand	hand	NN
39142	1522	5	,	,	,
39142	1522	6	a	a	DT
39142	1522	7	spectrum	spectrum	NN
39142	1522	8	of	of	IN
39142	1522	9	bright	bright	JJ
39142	1522	10	lines	line	NNS
39142	1522	11	undergoes	undergo	VBZ
39142	1522	12	no	no	DT
39142	1522	13	such	such	JJ
39142	1522	14	weakening	weakening	NN
39142	1522	15	by	by	IN
39142	1522	16	an	an	DT
39142	1522	17	increase	increase	NN
39142	1522	18	in	in	IN
39142	1522	19	the	the	DT
39142	1522	20	dispersive	dispersive	JJ
39142	1522	21	power	power	NN
39142	1522	22	of	of	IN
39142	1522	23	the	the	DT
39142	1522	24	spectroscope	spectroscope	NN
39142	1522	25	.	.	.
39142	1523	1	The	the	DT
39142	1523	2	bright	bright	JJ
39142	1523	3	lines	line	NNS
39142	1523	4	are	be	VBP
39142	1523	5	only	only	RB
39142	1523	6	more	more	RBR
39142	1523	7	widely	widely	RB
39142	1523	8	separated	separated	JJ
39142	1523	9	--	--	:
39142	1523	10	not	not	RB
39142	1523	11	in	in	IN
39142	1523	12	the	the	DT
39142	1523	13	least	least	JJS
39142	1523	14	diffused	diffused	JJ
39142	1523	15	or	or	CC
39142	1523	16	shorn	shorn	VB
39142	1523	17	of	of	IN
39142	1523	18	their	-PRON-	PRP$
39142	1523	19	brightness	brightness	NN
39142	1523	20	.	.	.
39142	1523	21	"	"	''
39142	1524	1	Simultaneous	simultaneous	JJ
39142	1524	2	announcement	announcement	NN
39142	1524	3	of	of	IN
39142	1524	4	this	this	DT
39142	1524	5	great	great	JJ
39142	1524	6	discovery	discovery	NN
39142	1524	7	,	,	,
39142	1524	8	by	by	IN
39142	1524	9	astronomers	astronomer	NNS
39142	1524	10	of	of	IN
39142	1524	11	different	different	JJ
39142	1524	12	nations	nation	NNS
39142	1524	13	,	,	,
39142	1524	14	working	work	VBG
39142	1524	15	in	in	IN
39142	1524	16	widely	widely	RB
39142	1524	17	separate	separate	JJ
39142	1524	18	regions	region	NNS
39142	1524	19	of	of	IN
39142	1524	20	the	the	DT
39142	1524	21	earth	earth	NN
39142	1524	22	,	,	,
39142	1524	23	led	lead	VBD
39142	1524	24	to	to	IN
39142	1524	25	the	the	DT
39142	1524	26	striking	striking	NN
39142	1524	27	of	of	IN
39142	1524	28	a	a	DT
39142	1524	29	gold	gold	NN
39142	1524	30	medal	medal	NN
39142	1524	31	by	by	IN
39142	1524	32	the	the	DT
39142	1524	33	French	french	JJ
39142	1524	34	Government	Government	NNP
39142	1524	35	in	in	IN
39142	1524	36	honor	honor	NN
39142	1524	37	of	of	IN
39142	1524	38	both	both	DT
39142	1524	39	astronomers	astronomer	NNS
39142	1524	40	and	and	CC
39142	1524	41	bearing	bear	VBG
39142	1524	42	their	-PRON-	PRP$
39142	1524	43	united	united	NNP
39142	1524	44	effigies	effigy	NNS
39142	1524	45	.	.	.
39142	1525	1	Ever	ever	RB
39142	1525	2	since	since	IN
39142	1525	3	the	the	DT
39142	1525	4	famous	famous	JJ
39142	1525	5	Indian	indian	JJ
39142	1525	6	eclipse	eclipse	NN
39142	1525	7	of	of	IN
39142	1525	8	1868	1868	CD
39142	1525	9	,	,	,
39142	1525	10	it	-PRON-	PRP
39142	1525	11	has	have	VBZ
39142	1525	12	not	not	RB
39142	1525	13	been	be	VBN
39142	1525	14	necessary	necessary	JJ
39142	1525	15	to	to	TO
39142	1525	16	wait	wait	VB
39142	1525	17	for	for	IN
39142	1525	18	a	a	DT
39142	1525	19	total	total	JJ
39142	1525	20	eclipse	eclipse	NN
39142	1525	21	in	in	IN
39142	1525	22	order	order	NN
39142	1525	23	to	to	TO
39142	1525	24	observe	observe	VB
39142	1525	25	the	the	DT
39142	1525	26	solar	solar	JJ
39142	1525	27	prominences	prominence	NNS
39142	1525	28	,	,	,
39142	1525	29	but	but	CC
39142	1525	30	every	every	DT
39142	1525	31	observer	observer	NN
39142	1525	32	provided	provide	VBN
39142	1525	33	with	with	IN
39142	1525	34	suitable	suitable	JJ
39142	1525	35	apparatus	apparatus	NN
39142	1525	36	has	have	VBZ
39142	1525	37	been	be	VBN
39142	1525	38	able	able	JJ
39142	1525	39	to	to	TO
39142	1525	40	observe	observe	VB
39142	1525	41	them	-PRON-	PRP
39142	1525	42	in	in	IN
39142	1525	43	full	full	JJ
39142	1525	44	sunlight	sunlight	NN
39142	1525	45	whenever	whenever	WRB
39142	1525	46	desired	desire	VBN
39142	1525	47	,	,	,
39142	1525	48	and	and	CC
39142	1525	49	the	the	DT
39142	1525	50	charting	charting	NN
39142	1525	51	of	of	IN
39142	1525	52	them	-PRON-	PRP
39142	1525	53	is	be	VBZ
39142	1525	54	part	part	NN
39142	1525	55	of	of	IN
39142	1525	56	the	the	DT
39142	1525	57	daily	daily	JJ
39142	1525	58	routine	routine	NN
39142	1525	59	at	at	IN
39142	1525	60	several	several	JJ
39142	1525	61	observatories	observatory	NNS
39142	1525	62	in	in	IN
39142	1525	63	different	different	JJ
39142	1525	64	parts	part	NNS
39142	1525	65	of	of	IN
39142	1525	66	the	the	DT
39142	1525	67	world	world	NN
39142	1525	68	.	.	.
39142	1526	1	So	so	RB
39142	1526	2	vast	vast	JJ
39142	1526	3	has	have	VBZ
39142	1526	4	been	be	VBN
39142	1526	5	the	the	DT
39142	1526	6	accumulation	accumulation	NN
39142	1526	7	of	of	IN
39142	1526	8	data	datum	NNS
39142	1526	9	about	about	IN
39142	1526	10	them	-PRON-	PRP
39142	1526	11	that	that	WDT
39142	1526	12	we	-PRON-	PRP
39142	1526	13	know	know	VBP
39142	1526	14	their	-PRON-	PRP$
39142	1526	15	numbers	number	NNS
39142	1526	16	to	to	TO
39142	1526	17	fluctuate	fluctuate	VB
39142	1526	18	with	with	IN
39142	1526	19	the	the	DT
39142	1526	20	spots	spot	NNS
39142	1526	21	on	on	IN
39142	1526	22	the	the	DT
39142	1526	23	sun	sun	NN
39142	1526	24	;	;	:
39142	1526	25	and	and	CC
39142	1526	26	their	-PRON-	PRP$
39142	1526	27	distribution	distribution	NN
39142	1526	28	over	over	IN
39142	1526	29	the	the	DT
39142	1526	30	sun	sun	NN
39142	1526	31	's	's	POS
39142	1526	32	surface	surface	NN
39142	1526	33	resembles	resemble	VBZ
39142	1526	34	in	in	IN
39142	1526	35	a	a	DT
39142	1526	36	way	way	NN
39142	1526	37	that	that	DT
39142	1526	38	of	of	IN
39142	1526	39	the	the	DT
39142	1526	40	spots	spot	NNS
39142	1526	41	.	.	.
39142	1527	1	While	while	IN
39142	1527	2	the	the	DT
39142	1527	3	spots	spot	NNS
39142	1527	4	and	and	CC
39142	1527	5	protuberances	protuberance	NNS
39142	1527	6	are	be	VBP
39142	1527	7	most	most	RBS
39142	1527	8	numerous	numerous	JJ
39142	1527	9	around	around	IN
39142	1527	10	solar	solar	JJ
39142	1527	11	latitude	latitude	NN
39142	1527	12	20	20	CD
39142	1527	13	degrees	degree	NNS
39142	1527	14	both	both	CC
39142	1527	15	north	north	NN
39142	1527	16	and	and	CC
39142	1527	17	south	south	NN
39142	1527	18	,	,	,
39142	1527	19	the	the	DT
39142	1527	20	prominences	prominence	NNS
39142	1527	21	do	do	VBP
39142	1527	22	not	not	RB
39142	1527	23	disappear	disappear	VB
39142	1527	24	above	above	IN
39142	1527	25	latitude	latitude	NN
39142	1527	26	35	35	CD
39142	1527	27	to	to	TO
39142	1527	28	40	40	CD
39142	1527	29	degrees	degree	NNS
39142	1527	30	,	,	,
39142	1527	31	as	as	IN
39142	1527	32	the	the	DT
39142	1527	33	spots	spot	NNS
39142	1527	34	do	do	VBP
39142	1527	35	,	,	,
39142	1527	36	but	but	CC
39142	1527	37	from	from	IN
39142	1527	38	latitude	latitude	NN
39142	1527	39	60	60	CD
39142	1527	40	degrees	degree	NNS
39142	1527	41	they	-PRON-	PRP
39142	1527	42	increase	increase	VBP
39142	1527	43	in	in	IN
39142	1527	44	number	number	NN
39142	1527	45	to	to	IN
39142	1527	46	about	about	RB
39142	1527	47	75	75	CD
39142	1527	48	degrees	degree	NNS
39142	1527	49	,	,	,
39142	1527	50	and	and	CC
39142	1527	51	are	be	VBP
39142	1527	52	occasionally	occasionally	RB
39142	1527	53	observed	observe	VBN
39142	1527	54	even	even	RB
39142	1527	55	at	at	IN
39142	1527	56	the	the	DT
39142	1527	57	sun	sun	NN
39142	1527	58	's	's	POS
39142	1527	59	poles	pole	NNS
39142	1527	60	.	.	.
39142	1528	1	Faculæ	Faculæ	NNP
39142	1528	2	and	and	CC
39142	1528	3	prominences	prominence	NNS
39142	1528	4	are	be	VBP
39142	1528	5	more	more	RBR
39142	1528	6	closely	closely	RB
39142	1528	7	related	related	JJ
39142	1528	8	than	than	IN
39142	1528	9	the	the	DT
39142	1528	10	sun	sun	NN
39142	1528	11	spots	spot	NNS
39142	1528	12	and	and	CC
39142	1528	13	prominences	prominence	NNS
39142	1528	14	.	.	.
39142	1529	1	There	there	EX
39142	1529	2	are	be	VBP
39142	1529	3	wide	wide	JJ
39142	1529	4	variations	variation	NNS
39142	1529	5	in	in	IN
39142	1529	6	both	both	CC
39142	1529	7	magnitude	magnitude	NN
39142	1529	8	and	and	CC
39142	1529	9	type	type	NN
39142	1529	10	of	of	IN
39142	1529	11	the	the	DT
39142	1529	12	prominences	prominence	NNS
39142	1529	13	.	.	.
39142	1530	1	Heights	height	NNS
39142	1530	2	above	above	IN
39142	1530	3	the	the	DT
39142	1530	4	sun	sun	NN
39142	1530	5	's	's	POS
39142	1530	6	limb	limb	NN
39142	1530	7	of	of	IN
39142	1530	8	a	a	DT
39142	1530	9	few	few	JJ
39142	1530	10	thousand	thousand	CD
39142	1530	11	miles	mile	NNS
39142	1530	12	are	be	VBP
39142	1530	13	very	very	RB
39142	1530	14	common	common	JJ
39142	1530	15	,	,	,
39142	1530	16	and	and	CC
39142	1530	17	they	-PRON-	PRP
39142	1530	18	rarely	rarely	RB
39142	1530	19	reach	reach	VBP
39142	1530	20	elevations	elevation	NNS
39142	1530	21	as	as	RB
39142	1530	22	great	great	JJ
39142	1530	23	as	as	IN
39142	1530	24	100,000	100,000	CD
39142	1530	25	miles	mile	NNS
39142	1530	26	,	,	,
39142	1530	27	though	though	IN
39142	1530	28	a	a	DT
39142	1530	29	very	very	RB
39142	1530	30	occasional	occasional	JJ
39142	1530	31	one	one	NN
39142	1530	32	reaches	reach	VBZ
39142	1530	33	even	even	RB
39142	1530	34	greater	great	JJR
39142	1530	35	heights	height	NNS
39142	1530	36	.	.	.
39142	1531	1	Classification	classification	NN
39142	1531	2	of	of	IN
39142	1531	3	the	the	DT
39142	1531	4	prominences	prominence	NNS
39142	1531	5	divides	divide	VBZ
39142	1531	6	them	-PRON-	PRP
39142	1531	7	into	into	IN
39142	1531	8	two	two	CD
39142	1531	9	broad	broad	JJ
39142	1531	10	types	type	NNS
39142	1531	11	,	,	,
39142	1531	12	the	the	DT
39142	1531	13	quiescent	quiescent	JJ
39142	1531	14	and	and	CC
39142	1531	15	the	the	DT
39142	1531	16	eruptive	eruptive	NN
39142	1531	17	.	.	.
39142	1532	1	The	the	DT
39142	1532	2	former	former	JJ
39142	1532	3	are	be	VBP
39142	1532	4	for	for	IN
39142	1532	5	the	the	DT
39142	1532	6	most	most	JJS
39142	1532	7	part	part	NN
39142	1532	8	hydrogen	hydrogen	NN
39142	1532	9	,	,	,
39142	1532	10	and	and	CC
39142	1532	11	the	the	DT
39142	1532	12	latter	latter	JJ
39142	1532	13	metallic	metallic	NN
39142	1532	14	.	.	.
39142	1533	1	The	the	DT
39142	1533	2	quiescent	quiescent	JJ
39142	1533	3	prominences	prominence	NNS
39142	1533	4	resemble	resemble	VBP
39142	1533	5	closely	closely	RB
39142	1533	6	the	the	DT
39142	1533	7	stratus	stratus	NN
39142	1533	8	and	and	CC
39142	1533	9	cirrus	cirrus	NN
39142	1533	10	type	type	NN
39142	1533	11	of	of	IN
39142	1533	12	terrestrial	terrestrial	JJ
39142	1533	13	clouds	cloud	NNS
39142	1533	14	,	,	,
39142	1533	15	and	and	CC
39142	1533	16	are	be	VBP
39142	1533	17	frequently	frequently	RB
39142	1533	18	of	of	IN
39142	1533	19	enormous	enormous	JJ
39142	1533	20	extent	extent	NN
39142	1533	21	along	along	IN
39142	1533	22	the	the	DT
39142	1533	23	sun	sun	NN
39142	1533	24	's	's	POS
39142	1533	25	edge	edge	NN
39142	1533	26	.	.	.
39142	1534	1	They	-PRON-	PRP
39142	1534	2	are	be	VBP
39142	1534	3	relatively	relatively	RB
39142	1534	4	long	long	RB
39142	1534	5	-	-	HYPH
39142	1534	6	lived	live	VBN
39142	1534	7	,	,	,
39142	1534	8	persisting	persist	VBG
39142	1534	9	sometimes	sometimes	RB
39142	1534	10	for	for	IN
39142	1534	11	days	day	NNS
39142	1534	12	without	without	IN
39142	1534	13	much	much	JJ
39142	1534	14	change	change	NN
39142	1534	15	.	.	.
39142	1535	1	The	the	DT
39142	1535	2	eruptive	eruptive	JJ
39142	1535	3	prominences	prominence	NNS
39142	1535	4	are	be	VBP
39142	1535	5	more	more	RBR
39142	1535	6	brilliant	brilliant	JJ
39142	1535	7	,	,	,
39142	1535	8	changing	change	VBG
39142	1535	9	their	-PRON-	PRP$
39142	1535	10	form	form	NN
39142	1535	11	and	and	CC
39142	1535	12	brightness	brightness	NN
39142	1535	13	rapidly	rapidly	RB
39142	1535	14	.	.	.
39142	1536	1	Often	often	RB
39142	1536	2	they	-PRON-	PRP
39142	1536	3	appear	appear	VBP
39142	1536	4	as	as	IN
39142	1536	5	brilliant	brilliant	JJ
39142	1536	6	spikes	spike	NNS
39142	1536	7	or	or	CC
39142	1536	8	jets	jet	NNS
39142	1536	9	,	,	,
39142	1536	10	reaching	reach	VBG
39142	1536	11	altitudes	altitude	NNS
39142	1536	12	that	that	WDT
39142	1536	13	average	average	VBP
39142	1536	14	about	about	RB
39142	1536	15	25,000	25,000	CD
39142	1536	16	miles	mile	NNS
39142	1536	17	.	.	.
39142	1537	1	Rarely	rarely	RB
39142	1537	2	seen	see	VBN
39142	1537	3	near	near	IN
39142	1537	4	the	the	DT
39142	1537	5	sun	sun	NN
39142	1537	6	's	's	POS
39142	1537	7	poles	pole	NNS
39142	1537	8	,	,	,
39142	1537	9	they	-PRON-	PRP
39142	1537	10	are	be	VBP
39142	1537	11	much	much	RB
39142	1537	12	more	more	RBR
39142	1537	13	numerous	numerous	JJ
39142	1537	14	nearer	nearer	IN
39142	1537	15	the	the	DT
39142	1537	16	sun	sun	NN
39142	1537	17	spots	spot	NNS
39142	1537	18	.	.	.
39142	1538	1	Speed	speed	NN
39142	1538	2	of	of	IN
39142	1538	3	motion	motion	NN
39142	1538	4	of	of	IN
39142	1538	5	their	-PRON-	PRP$
39142	1538	6	filaments	filament	NNS
39142	1538	7	sometimes	sometimes	RB
39142	1538	8	exceeds	exceed	VBZ
39142	1538	9	one	one	CD
39142	1538	10	hundred	hundred	CD
39142	1538	11	miles	mile	NNS
39142	1538	12	a	a	DT
39142	1538	13	second	second	NN
39142	1538	14	,	,	,
39142	1538	15	and	and	CC
39142	1538	16	the	the	DT
39142	1538	17	changing	change	VBG
39142	1538	18	variety	variety	NN
39142	1538	19	of	of	IN
39142	1538	20	shapes	shape	NNS
39142	1538	21	of	of	IN
39142	1538	22	the	the	DT
39142	1538	23	eruptive	eruptive	JJ
39142	1538	24	prominences	prominence	NNS
39142	1538	25	is	be	VBZ
39142	1538	26	most	most	RBS
39142	1538	27	interesting	interesting	JJ
39142	1538	28	.	.	.
39142	1539	1	Oftentimes	oftentimes	RB
39142	1539	2	they	-PRON-	PRP
39142	1539	3	change	change	VBP
39142	1539	4	so	so	RB
39142	1539	5	rapidly	rapidly	RB
39142	1539	6	that	that	IN
39142	1539	7	only	only	JJ
39142	1539	8	photography	photography	NN
39142	1539	9	can	can	MD
39142	1539	10	do	do	VB
39142	1539	11	them	-PRON-	PRP
39142	1539	12	justice	justice	NN
39142	1539	13	.	.	.
39142	1540	1	Prominence	prominence	NN
39142	1540	2	photography	photography	NN
39142	1540	3	began	begin	VBD
39142	1540	4	with	with	IN
39142	1540	5	Young	Young	NNP
39142	1540	6	a	a	DT
39142	1540	7	half	half	JJ
39142	1540	8	century	century	NN
39142	1540	9	ago	ago	RB
39142	1540	10	,	,	,
39142	1540	11	who	who	WP
39142	1540	12	obtained	obtain	VBD
39142	1540	13	the	the	DT
39142	1540	14	first	first	JJ
39142	1540	15	successful	successful	JJ
39142	1540	16	impression	impression	NN
39142	1540	17	on	on	IN
39142	1540	18	a	a	DT
39142	1540	19	microscope	microscope	NN
39142	1540	20	slide	slide	NN
39142	1540	21	with	with	IN
39142	1540	22	a	a	DT
39142	1540	23	sensitized	sensitized	JJ
39142	1540	24	film	film	NN
39142	1540	25	of	of	IN
39142	1540	26	collodion	collodion	NN
39142	1540	27	;	;	,
39142	1540	28	as	as	IN
39142	1540	29	was	be	VBD
39142	1540	30	necessary	necessary	JJ
39142	1540	31	in	in	IN
39142	1540	32	the	the	DT
39142	1540	33	earlier	early	JJR
39142	1540	34	wet	wet	JJ
39142	1540	35	-	-	HYPH
39142	1540	36	plate	plate	NN
39142	1540	37	process	process	NN
39142	1540	38	of	of	IN
39142	1540	39	photography	photography	NN
39142	1540	40	,	,	,
39142	1540	41	which	which	WDT
39142	1540	42	required	require	VBD
39142	1540	43	exposures	exposure	NNS
39142	1540	44	so	so	RB
39142	1540	45	long	long	RB
39142	1540	46	that	that	IN
39142	1540	47	little	little	JJ
39142	1540	48	progress	progress	NN
39142	1540	49	was	be	VBD
39142	1540	50	effected	effect	VBN
39142	1540	51	for	for	IN
39142	1540	52	about	about	RB
39142	1540	53	twenty	twenty	CD
39142	1540	54	years	year	NNS
39142	1540	55	.	.	.
39142	1541	1	Then	then	RB
39142	1541	2	it	-PRON-	PRP
39142	1541	3	was	be	VBD
39142	1541	4	taken	take	VBN
39142	1541	5	up	up	RP
39142	1541	6	by	by	IN
39142	1541	7	Deslandres	deslandre	NNS
39142	1541	8	of	of	IN
39142	1541	9	Paris	Paris	NNP
39142	1541	10	and	and	CC
39142	1541	11	Hale	Hale	NNP
39142	1541	12	of	of	IN
39142	1541	13	Chicago	Chicago	NNP
39142	1541	14	independently	independently	RB
39142	1541	15	,	,	,
39142	1541	16	both	both	DT
39142	1541	17	of	of	IN
39142	1541	18	whom	whom	WP
39142	1541	19	succeeded	succeed	VBD
39142	1541	20	in	in	IN
39142	1541	21	devising	devise	VBG
39142	1541	22	a	a	DT
39142	1541	23	complex	complex	JJ
39142	1541	24	type	type	NN
39142	1541	25	of	of	IN
39142	1541	26	apparatus	apparatus	NN
39142	1541	27	known	know	VBN
39142	1541	28	as	as	IN
39142	1541	29	the	the	DT
39142	1541	30	spectroheliograph	spectroheliograph	NN
39142	1541	31	,	,	,
39142	1541	32	by	by	IN
39142	1541	33	which	which	WDT
39142	1541	34	all	all	PDT
39142	1541	35	the	the	DT
39142	1541	36	prominences	prominence	NNS
39142	1541	37	surrounding	surround	VBG
39142	1541	38	the	the	DT
39142	1541	39	entire	entire	JJ
39142	1541	40	limb	limb	NN
39142	1541	41	of	of	IN
39142	1541	42	the	the	DT
39142	1541	43	sun	sun	NN
39142	1541	44	can	can	MD
39142	1541	45	be	be	VB
39142	1541	46	photographed	photograph	VBN
39142	1541	47	at	at	IN
39142	1541	48	any	any	DT
39142	1541	49	time	time	NN
39142	1541	50	by	by	IN
39142	1541	51	light	light	NN
39142	1541	52	of	of	IN
39142	1541	53	a	a	DT
39142	1541	54	single	single	JJ
39142	1541	55	wave	wave	NN
39142	1541	56	-	-	HYPH
39142	1541	57	length	length	NN
39142	1541	58	,	,	,
39142	1541	59	together	together	RB
39142	1541	60	with	with	IN
39142	1541	61	the	the	DT
39142	1541	62	disk	disk	NN
39142	1541	63	of	of	IN
39142	1541	64	the	the	DT
39142	1541	65	sun	sun	NN
39142	1541	66	on	on	IN
39142	1541	67	the	the	DT
39142	1541	68	same	same	JJ
39142	1541	69	negative	negative	NN
39142	1541	70	.	.	.
39142	1542	1	The	the	DT
39142	1542	2	prominences	prominence	NNS
39142	1542	3	appear	appear	VBP
39142	1542	4	to	to	TO
39142	1542	5	be	be	VB
39142	1542	6	intimately	intimately	RB
39142	1542	7	connected	connect	VBN
39142	1542	8	with	with	IN
39142	1542	9	a	a	DT
39142	1542	10	gaseous	gaseous	JJ
39142	1542	11	envelope	envelope	NN
39142	1542	12	surrounding	surround	VBG
39142	1542	13	the	the	DT
39142	1542	14	solar	solar	JJ
39142	1542	15	photosphere	photosphere	NN
39142	1542	16	,	,	,
39142	1542	17	in	in	IN
39142	1542	18	which	which	WDT
39142	1542	19	sodium	sodium	NN
39142	1542	20	and	and	CC
39142	1542	21	magnesium	magnesium	NN
39142	1542	22	are	be	VBP
39142	1542	23	present	present	JJ
39142	1542	24	as	as	RB
39142	1542	25	well	well	RB
39142	1542	26	as	as	IN
39142	1542	27	hydrogen	hydrogen	NN
39142	1542	28	.	.	.
39142	1543	1	The	the	DT
39142	1543	2	depth	depth	NN
39142	1543	3	of	of	IN
39142	1543	4	the	the	DT
39142	1543	5	chromosphere	chromosphere	NN
39142	1543	6	is	be	VBZ
39142	1543	7	usually	usually	RB
39142	1543	8	between	between	IN
39142	1543	9	5,000	5,000	CD
39142	1543	10	and	and	CC
39142	1543	11	10,000	10,000	CD
39142	1543	12	miles	mile	NNS
39142	1543	13	,	,	,
39142	1543	14	and	and	CC
39142	1543	15	its	-PRON-	PRP$
39142	1543	16	existence	existence	NN
39142	1543	17	was	be	VBD
39142	1543	18	first	first	RB
39142	1543	19	made	make	VBN
39142	1543	20	out	out	RP
39142	1543	21	during	during	IN
39142	1543	22	the	the	DT
39142	1543	23	total	total	JJ
39142	1543	24	solar	solar	JJ
39142	1543	25	eclipses	eclipse	NNS
39142	1543	26	of	of	IN
39142	1543	27	1605	1605	CD
39142	1543	28	and	and	CC
39142	1543	29	1706	1706	CD
39142	1543	30	,	,	,
39142	1543	31	when	when	WRB
39142	1543	32	it	-PRON-	PRP
39142	1543	33	appeared	appear	VBD
39142	1543	34	as	as	IN
39142	1543	35	an	an	DT
39142	1543	36	irregular	irregular	NN
39142	1543	37	rose	rise	VBD
39142	1543	38	-	-	HYPH
39142	1543	39	tinted	tint	VBN
39142	1543	40	fringe	fringe	NN
39142	1543	41	,	,	,
39142	1543	42	though	though	IN
39142	1543	43	not	not	RB
39142	1543	44	at	at	IN
39142	1543	45	the	the	DT
39142	1543	46	time	time	NN
39142	1543	47	recognized	recognize	VBN
39142	1543	48	as	as	IN
39142	1543	49	belonging	belong	VBG
39142	1543	50	to	to	IN
39142	1543	51	the	the	DT
39142	1543	52	sun	sun	NN
39142	1543	53	.	.	.
39142	1544	1	The	the	DT
39142	1544	2	constitution	constitution	NN
39142	1544	3	of	of	IN
39142	1544	4	the	the	DT
39142	1544	5	sun	sun	NN
39142	1544	6	and	and	CC
39142	1544	7	its	-PRON-	PRP$
39142	1544	8	envelopes	envelope	NNS
39142	1544	9	are	be	VBP
39142	1544	10	still	still	RB
39142	1544	11	under	under	IN
39142	1544	12	discussion	discussion	NN
39142	1544	13	,	,	,
39142	1544	14	and	and	CC
39142	1544	15	no	no	DT
39142	1544	16	complete	complete	JJ
39142	1544	17	theory	theory	NN
39142	1544	18	of	of	IN
39142	1544	19	the	the	DT
39142	1544	20	sun	sun	NN
39142	1544	21	has	have	VBZ
39142	1544	22	yet	yet	RB
39142	1544	23	been	be	VBN
39142	1544	24	advanced	advance	VBN
39142	1544	25	which	which	WDT
39142	1544	26	commands	command	VBZ
39142	1544	27	the	the	DT
39142	1544	28	widest	wide	JJS
39142	1544	29	acceptance	acceptance	NN
39142	1544	30	.	.	.
39142	1545	1	Of	of	IN
39142	1545	2	the	the	DT
39142	1545	3	interior	interior	NN
39142	1545	4	of	of	IN
39142	1545	5	the	the	DT
39142	1545	6	sun	sun	NN
39142	1545	7	we	-PRON-	PRP
39142	1545	8	can	can	MD
39142	1545	9	only	only	RB
39142	1545	10	surmise	surmise	VB
39142	1545	11	that	that	IN
39142	1545	12	it	-PRON-	PRP
39142	1545	13	is	be	VBZ
39142	1545	14	composed	compose	VBN
39142	1545	15	of	of	IN
39142	1545	16	gases	gas	NNS
39142	1545	17	which	which	WDT
39142	1545	18	,	,	,
39142	1545	19	because	because	IN
39142	1545	20	of	of	IN
39142	1545	21	intense	intense	JJ
39142	1545	22	heat	heat	NN
39142	1545	23	and	and	CC
39142	1545	24	compression	compression	NN
39142	1545	25	,	,	,
39142	1545	26	are	be	VBP
39142	1545	27	in	in	IN
39142	1545	28	a	a	DT
39142	1545	29	state	state	NN
39142	1545	30	unfamiliar	unfamiliar	JJ
39142	1545	31	on	on	IN
39142	1545	32	earth	earth	NN
39142	1545	33	and	and	CC
39142	1545	34	impossible	impossible	JJ
39142	1545	35	to	to	TO
39142	1545	36	reproduce	reproduce	VB
39142	1545	37	in	in	IN
39142	1545	38	our	-PRON-	PRP$
39142	1545	39	laboratories	laboratory	NNS
39142	1545	40	.	.	.
39142	1546	1	Their	-PRON-	PRP$
39142	1546	2	consistency	consistency	NN
39142	1546	3	may	may	MD
39142	1546	4	be	be	VB
39142	1546	5	that	that	DT
39142	1546	6	of	of	IN
39142	1546	7	melted	melted	JJ
39142	1546	8	pitch	pitch	NN
39142	1546	9	or	or	CC
39142	1546	10	tar	tar	NN
39142	1546	11	.	.	.
39142	1547	1	Surrounding	surround	VBG
39142	1547	2	the	the	DT
39142	1547	3	main	main	JJ
39142	1547	4	body	body	NN
39142	1547	5	of	of	IN
39142	1547	6	the	the	DT
39142	1547	7	sun	sun	NN
39142	1547	8	are	be	VBP
39142	1547	9	a	a	DT
39142	1547	10	series	series	NN
39142	1547	11	of	of	IN
39142	1547	12	layers	layer	NNS
39142	1547	13	,	,	,
39142	1547	14	shells	shell	NNS
39142	1547	15	,	,	,
39142	1547	16	or	or	CC
39142	1547	17	atmospheres	atmosphere	NNS
39142	1547	18	.	.	.
39142	1548	1	Outside	outside	IN
39142	1548	2	of	of	IN
39142	1548	3	all	all	DT
39142	1548	4	and	and	CC
39142	1548	5	very	very	RB
39142	1548	6	irregular	irregular	JJ
39142	1548	7	in	in	IN
39142	1548	8	structure	structure	NN
39142	1548	9	,	,	,
39142	1548	10	indeed	indeed	RB
39142	1548	11	probably	probably	RB
39142	1548	12	not	not	RB
39142	1548	13	a	a	DT
39142	1548	14	solar	solar	JJ
39142	1548	15	atmosphere	atmosphere	NN
39142	1548	16	at	at	RB
39142	1548	17	all	all	RB
39142	1548	18	,	,	,
39142	1548	19	is	be	VBZ
39142	1548	20	the	the	DT
39142	1548	21	solar	solar	JJ
39142	1548	22	corona	corona	NN
39142	1548	23	,	,	,
39142	1548	24	parts	part	NNS
39142	1548	25	of	of	IN
39142	1548	26	which	which	WDT
39142	1548	27	behave	behave	VBP
39142	1548	28	much	much	RB
39142	1548	29	as	as	IN
39142	1548	30	if	if	IN
39142	1548	31	it	-PRON-	PRP
39142	1548	32	were	be	VBD
39142	1548	33	an	an	DT
39142	1548	34	atmosphere	atmosphere	NN
39142	1548	35	,	,	,
39142	1548	36	but	but	CC
39142	1548	37	it	-PRON-	PRP
39142	1548	38	appears	appear	VBZ
39142	1548	39	to	to	TO
39142	1548	40	be	be	VB
39142	1548	41	bound	bind	VBN
39142	1548	42	up	up	RP
39142	1548	43	in	in	IN
39142	1548	44	some	some	DT
39142	1548	45	way	way	NN
39142	1548	46	with	with	IN
39142	1548	47	the	the	DT
39142	1548	48	sun	sun	NN
39142	1548	49	's	's	POS
39142	1548	50	radiation	radiation	NN
39142	1548	51	.	.	.
39142	1549	1	It	-PRON-	PRP
39142	1549	2	has	have	VBZ
39142	1549	3	streamers	streamer	NNS
39142	1549	4	that	that	WDT
39142	1549	5	vary	vary	VBP
39142	1549	6	with	with	IN
39142	1549	7	the	the	DT
39142	1549	8	sun	sun	NN
39142	1549	9	-	-	HYPH
39142	1549	10	spot	spot	NN
39142	1549	11	period	period	NN
39142	1549	12	,	,	,
39142	1549	13	but	but	CC
39142	1549	14	its	-PRON-	PRP$
39142	1549	15	constitution	constitution	NN
39142	1549	16	and	and	CC
39142	1549	17	function	function	NN
39142	1549	18	are	be	VBP
39142	1549	19	very	very	RB
39142	1549	20	imperfectly	imperfectly	RB
39142	1549	21	known	know	VBN
39142	1549	22	,	,	,
39142	1549	23	because	because	IN
39142	1549	24	it	-PRON-	PRP
39142	1549	25	has	have	VBZ
39142	1549	26	never	never	RB
39142	1549	27	been	be	VBN
39142	1549	28	seen	see	VBN
39142	1549	29	or	or	CC
39142	1549	30	photographed	photograph	VBN
39142	1549	31	except	except	IN
39142	1549	32	at	at	IN
39142	1549	33	rare	rare	JJ
39142	1549	34	intervals	interval	NNS
39142	1549	35	on	on	IN
39142	1549	36	occasion	occasion	NN
39142	1549	37	of	of	IN
39142	1549	38	total	total	JJ
39142	1549	39	eclipses	eclipse	NNS
39142	1549	40	of	of	IN
39142	1549	41	the	the	DT
39142	1549	42	sun	sun	NN
39142	1549	43	.	.	.
39142	1550	1	Beneath	beneath	IN
39142	1550	2	the	the	DT
39142	1550	3	corona	corona	NN
39142	1550	4	we	-PRON-	PRP
39142	1550	5	meet	meet	VBP
39142	1550	6	the	the	DT
39142	1550	7	projecting	projecting	NN
39142	1550	8	prominences	prominence	NNS
39142	1550	9	,	,	,
39142	1550	10	to	to	TO
39142	1550	11	which	which	WDT
39142	1550	12	parts	part	NNS
39142	1550	13	of	of	IN
39142	1550	14	the	the	DT
39142	1550	15	corona	corona	NN
39142	1550	16	are	be	VBP
39142	1550	17	certainly	certainly	RB
39142	1550	18	related	relate	VBN
39142	1550	19	,	,	,
39142	1550	20	and	and	CC
39142	1550	21	beneath	beneath	IN
39142	1550	22	them	-PRON-	PRP
39142	1550	23	the	the	DT
39142	1550	24	first	first	JJ
39142	1550	25	true	true	JJ
39142	1550	26	layer	layer	NN
39142	1550	27	or	or	CC
39142	1550	28	atmosphere	atmosphere	NN
39142	1550	29	of	of	IN
39142	1550	30	the	the	DT
39142	1550	31	sun	sun	NN
39142	1550	32	known	know	VBN
39142	1550	33	as	as	IN
39142	1550	34	the	the	DT
39142	1550	35	chromosphere	chromosphere	NN
39142	1550	36	,	,	,
39142	1550	37	its	-PRON-	PRP$
39142	1550	38	average	average	JJ
39142	1550	39	depth	depth	NN
39142	1550	40	being	be	VBG
39142	1550	41	about	about	RB
39142	1550	42	one	one	CD
39142	1550	43	-	-	HYPH
39142	1550	44	hundredth	hundredth	JJ
39142	1550	45	part	part	NN
39142	1550	46	of	of	IN
39142	1550	47	the	the	DT
39142	1550	48	sun	sun	NN
39142	1550	49	's	's	POS
39142	1550	50	diameter	diameter	NN
39142	1550	51	.	.	.
39142	1551	1	Beneath	beneath	IN
39142	1551	2	the	the	DT
39142	1551	3	chromosphere	chromosphere	NN
39142	1551	4	is	be	VBZ
39142	1551	5	the	the	DT
39142	1551	6	layer	layer	NN
39142	1551	7	of	of	IN
39142	1551	8	the	the	DT
39142	1551	9	sun	sun	NN
39142	1551	10	from	from	IN
39142	1551	11	which	which	WDT
39142	1551	12	emanates	emanate	VBZ
39142	1551	13	the	the	DT
39142	1551	14	light	light	NN
39142	1551	15	by	by	IN
39142	1551	16	which	which	WDT
39142	1551	17	we	-PRON-	PRP
39142	1551	18	see	see	VBP
39142	1551	19	it	-PRON-	PRP
39142	1551	20	,	,	,
39142	1551	21	called	call	VBN
39142	1551	22	the	the	DT
39142	1551	23	photosphere	photosphere	NN
39142	1551	24	.	.	.
39142	1552	1	It	-PRON-	PRP
39142	1552	2	appears	appear	VBZ
39142	1552	3	to	to	TO
39142	1552	4	be	be	VB
39142	1552	5	composed	compose	VBN
39142	1552	6	of	of	IN
39142	1552	7	filaments	filament	NNS
39142	1552	8	due	due	IN
39142	1552	9	to	to	IN
39142	1552	10	the	the	DT
39142	1552	11	condensation	condensation	NN
39142	1552	12	of	of	IN
39142	1552	13	metallic	metallic	JJ
39142	1552	14	vapors	vapor	NNS
39142	1552	15	,	,	,
39142	1552	16	and	and	CC
39142	1552	17	it	-PRON-	PRP
39142	1552	18	is	be	VBZ
39142	1552	19	the	the	DT
39142	1552	20	outer	outer	JJ
39142	1552	21	extremities	extremity	NNS
39142	1552	22	of	of	IN
39142	1552	23	these	these	DT
39142	1552	24	filaments	filament	NNS
39142	1552	25	which	which	WDT
39142	1552	26	are	be	VBP
39142	1552	27	seen	see	VBN
39142	1552	28	as	as	IN
39142	1552	29	the	the	DT
39142	1552	30	granular	granular	JJ
39142	1552	31	structures	structure	NNS
39142	1552	32	everywhere	everywhere	RB
39142	1552	33	covering	cover	VBG
39142	1552	34	the	the	DT
39142	1552	35	disk	disk	NN
39142	1552	36	of	of	IN
39142	1552	37	the	the	DT
39142	1552	38	sun	sun	NN
39142	1552	39	.	.	.
39142	1553	1	Their	-PRON-	PRP$
39142	1553	2	light	light	NN
39142	1553	3	shines	shine	VBZ
39142	1553	4	through	through	IN
39142	1553	5	the	the	DT
39142	1553	6	chromosphere	chromosphere	NN
39142	1553	7	and	and	CC
39142	1553	8	the	the	DT
39142	1553	9	spots	spot	NNS
39142	1553	10	are	be	VBP
39142	1553	11	ruptures	rupture	NNS
39142	1553	12	in	in	IN
39142	1553	13	this	this	DT
39142	1553	14	envelope	envelope	NN
39142	1553	15	.	.	.
39142	1554	1	Between	between	IN
39142	1554	2	photosphere	photosphere	NN
39142	1554	3	and	and	CC
39142	1554	4	chromosphere	chromosphere	NN
39142	1554	5	is	be	VBZ
39142	1554	6	a	a	DT
39142	1554	7	very	very	RB
39142	1554	8	thin	thin	JJ
39142	1554	9	envelope	envelope	NN
39142	1554	10	,	,	,
39142	1554	11	probably	probably	RB
39142	1554	12	not	not	RB
39142	1554	13	over	over	IN
39142	1554	14	700	700	CD
39142	1554	15	miles	mile	NNS
39142	1554	16	in	in	IN
39142	1554	17	thickness	thickness	NN
39142	1554	18	,	,	,
39142	1554	19	called	call	VBD
39142	1554	20	the	the	DT
39142	1554	21	reversing	reversing	NN
39142	1554	22	layer	layer	NN
39142	1554	23	.	.	.
39142	1555	1	It	-PRON-	PRP
39142	1555	2	is	be	VBZ
39142	1555	3	this	this	DT
39142	1555	4	relatively	relatively	RB
39142	1555	5	thin	thin	JJ
39142	1555	6	shell	shell	NN
39142	1555	7	that	that	WDT
39142	1555	8	is	be	VBZ
39142	1555	9	responsible	responsible	JJ
39142	1555	10	for	for	IN
39142	1555	11	the	the	DT
39142	1555	12	absorption	absorption	NN
39142	1555	13	which	which	WDT
39142	1555	14	produces	produce	VBZ
39142	1555	15	the	the	DT
39142	1555	16	dark	dark	JJ
39142	1555	17	lines	line	NNS
39142	1555	18	in	in	IN
39142	1555	19	the	the	DT
39142	1555	20	spectrum	spectrum	NN
39142	1555	21	of	of	IN
39142	1555	22	the	the	DT
39142	1555	23	sun	sun	NN
39142	1555	24	.	.	.
39142	1556	1	Under	under	IN
39142	1556	2	normal	normal	JJ
39142	1556	3	conditions	condition	NNS
39142	1556	4	the	the	DT
39142	1556	5	filaments	filament	NNS
39142	1556	6	of	of	IN
39142	1556	7	the	the	DT
39142	1556	8	photosphere	photosphere	NN
39142	1556	9	are	be	VBP
39142	1556	10	radial	radial	JJ
39142	1556	11	,	,	,
39142	1556	12	that	that	DT
39142	1556	13	is	be	VBZ
39142	1556	14	vertical	vertical	JJ
39142	1556	15	on	on	IN
39142	1556	16	the	the	DT
39142	1556	17	sun	sun	NN
39142	1556	18	;	;	:
39142	1556	19	but	but	CC
39142	1556	20	whenever	whenever	WRB
39142	1556	21	eruptions	eruption	NNS
39142	1556	22	take	take	VBP
39142	1556	23	place	place	NN
39142	1556	24	,	,	,
39142	1556	25	as	as	IN
39142	1556	26	during	during	IN
39142	1556	27	the	the	DT
39142	1556	28	occurrence	occurrence	NN
39142	1556	29	of	of	IN
39142	1556	30	spots	spot	NNS
39142	1556	31	,	,	,
39142	1556	32	the	the	DT
39142	1556	33	adjacent	adjacent	JJ
39142	1556	34	filaments	filament	NNS
39142	1556	35	are	be	VBP
39142	1556	36	violently	violently	RB
39142	1556	37	swept	sweep	VBN
39142	1556	38	out	out	IN
39142	1556	39	of	of	IN
39142	1556	40	their	-PRON-	PRP$
39142	1556	41	normal	normal	JJ
39142	1556	42	vertical	vertical	JJ
39142	1556	43	lines	line	NNS
39142	1556	44	and	and	CC
39142	1556	45	these	these	DT
39142	1556	46	displaced	displace	VBN
39142	1556	47	columns	column	NNS
39142	1556	48	then	then	RB
39142	1556	49	form	form	VBP
39142	1556	50	what	what	WP
39142	1556	51	we	-PRON-	PRP
39142	1556	52	view	view	VBP
39142	1556	53	as	as	IN
39142	1556	54	the	the	DT
39142	1556	55	spot	spot	NN
39142	1556	56	's	's	POS
39142	1556	57	penumbra	penumbra	NN
39142	1556	58	.	.	.
39142	1557	1	From	from	IN
39142	1557	2	the	the	DT
39142	1557	3	outer	outer	JJ
39142	1557	4	surface	surface	NN
39142	1557	5	of	of	IN
39142	1557	6	the	the	DT
39142	1557	7	sun	sun	NN
39142	1557	8	's	's	POS
39142	1557	9	chromosphere	chromosphere	NN
39142	1557	10	rise	rise	NN
39142	1557	11	in	in	IN
39142	1557	12	eruptive	eruptive	JJ
39142	1557	13	columns	column	NNS
39142	1557	14	vapors	vapor	NNS
39142	1557	15	of	of	IN
39142	1557	16	hydrogen	hydrogen	NNP
39142	1557	17	and	and	CC
39142	1557	18	the	the	DT
39142	1557	19	various	various	JJ
39142	1557	20	metals	metal	NNS
39142	1557	21	of	of	IN
39142	1557	22	which	which	WDT
39142	1557	23	the	the	DT
39142	1557	24	sun	sun	NN
39142	1557	25	is	be	VBZ
39142	1557	26	composed	compose	VBN
39142	1557	27	.	.	.
39142	1558	1	These	these	DT
39142	1558	2	and	and	CC
39142	1558	3	the	the	DT
39142	1558	4	spots	spot	NNS
39142	1558	5	would	would	MD
39142	1558	6	naturally	naturally	RB
39142	1558	7	occur	occur	VB
39142	1558	8	in	in	IN
39142	1558	9	periods	period	NNS
39142	1558	10	just	just	RB
39142	1558	11	as	as	IN
39142	1558	12	we	-PRON-	PRP
39142	1558	13	see	see	VBP
39142	1558	14	them	-PRON-	PRP
39142	1558	15	.	.	.
39142	1559	1	We	-PRON-	PRP
39142	1559	2	have	have	VBP
39142	1559	3	said	say	VBN
39142	1559	4	that	that	IN
39142	1559	5	the	the	DT
39142	1559	6	sun	sun	NN
39142	1559	7	is	be	VBZ
39142	1559	8	composed	compose	VBN
39142	1559	9	of	of	IN
39142	1559	10	a	a	DT
39142	1559	11	mass	mass	NN
39142	1559	12	of	of	IN
39142	1559	13	highly	highly	RB
39142	1559	14	heated	heated	JJ
39142	1559	15	or	or	CC
39142	1559	16	incandescent	incandescent	JJ
39142	1559	17	vapors	vapor	NNS
39142	1559	18	or	or	CC
39142	1559	19	gases	gas	NNS
39142	1559	20	,	,	,
39142	1559	21	whose	whose	WP$
39142	1559	22	compression	compression	NN
39142	1559	23	on	on	IN
39142	1559	24	account	account	NN
39142	1559	25	of	of	IN
39142	1559	26	gravity	gravity	NN
39142	1559	27	must	must	MD
39142	1559	28	render	render	VB
39142	1559	29	their	-PRON-	PRP$
39142	1559	30	physical	physical	JJ
39142	1559	31	condition	condition	NN
39142	1559	32	quite	quite	RB
39142	1559	33	different	different	JJ
39142	1559	34	from	from	IN
39142	1559	35	any	any	DT
39142	1559	36	gaseous	gaseous	JJ
39142	1559	37	forms	form	NNS
39142	1559	38	known	know	VBN
39142	1559	39	on	on	IN
39142	1559	40	the	the	DT
39142	1559	41	earth	earth	NN
39142	1559	42	or	or	CC
39142	1559	43	which	which	WDT
39142	1559	44	we	-PRON-	PRP
39142	1559	45	can	can	MD
39142	1559	46	reproduce	reproduce	VB
39142	1559	47	here	here	RB
39142	1559	48	.	.	.
39142	1560	1	As	as	IN
39142	1560	2	the	the	DT
39142	1560	3	result	result	NN
39142	1560	4	of	of	IN
39142	1560	5	more	more	JJR
39142	1560	6	than	than	IN
39142	1560	7	half	half	PDT
39142	1560	8	a	a	DT
39142	1560	9	century	century	NN
39142	1560	10	of	of	IN
39142	1560	11	studious	studious	JJ
39142	1560	12	observation	observation	NN
39142	1560	13	of	of	IN
39142	1560	14	the	the	DT
39142	1560	15	sun	sun	NN
39142	1560	16	and	and	CC
39142	1560	17	mapping	mapping	NN
39142	1560	18	of	of	IN
39142	1560	19	its	-PRON-	PRP$
39142	1560	20	spectrum	spectrum	NN
39142	1560	21	in	in	IN
39142	1560	22	every	every	DT
39142	1560	23	part	part	NN
39142	1560	24	,	,	,
39142	1560	25	and	and	CC
39142	1560	26	diligent	diligent	JJ
39142	1560	27	comparison	comparison	NN
39142	1560	28	with	with	IN
39142	1560	29	the	the	DT
39142	1560	30	spectra	spectra	NN
39142	1560	31	of	of	IN
39142	1560	32	all	all	DT
39142	1560	33	known	know	VBN
39142	1560	34	chemical	chemical	NN
39142	1560	35	elements	element	NNS
39142	1560	36	on	on	IN
39142	1560	37	the	the	DT
39142	1560	38	earth	earth	NN
39142	1560	39	,	,	,
39142	1560	40	we	-PRON-	PRP
39142	1560	41	find	find	VBP
39142	1560	42	that	that	IN
39142	1560	43	the	the	DT
39142	1560	44	sun	sun	NN
39142	1560	45	contains	contain	VBZ
39142	1560	46	no	no	DT
39142	1560	47	elements	element	NNS
39142	1560	48	not	not	RB
39142	1560	49	already	already	RB
39142	1560	50	found	find	VBN
39142	1560	51	here	here	RB
39142	1560	52	,	,	,
39142	1560	53	but	but	CC
39142	1560	54	that	that	IN
39142	1560	55	a	a	DT
39142	1560	56	great	great	JJ
39142	1560	57	preponderance	preponderance	NN
39142	1560	58	of	of	IN
39142	1560	59	elements	element	NNS
39142	1560	60	known	know	VBN
39142	1560	61	to	to	IN
39142	1560	62	earth	earth	NN
39142	1560	63	are	be	VBP
39142	1560	64	found	find	VBN
39142	1560	65	in	in	IN
39142	1560	66	the	the	DT
39142	1560	67	sun	sun	NN
39142	1560	68	.	.	.
39142	1561	1	The	the	DT
39142	1561	2	intensity	intensity	NN
39142	1561	3	of	of	IN
39142	1561	4	their	-PRON-	PRP$
39142	1561	5	spectral	spectral	JJ
39142	1561	6	lines	line	NNS
39142	1561	7	is	be	VBZ
39142	1561	8	one	one	CD
39142	1561	9	prominent	prominent	JJ
39142	1561	10	indication	indication	NN
39142	1561	11	of	of	IN
39142	1561	12	the	the	DT
39142	1561	13	presence	presence	NN
39142	1561	14	of	of	IN
39142	1561	15	elements	element	NNS
39142	1561	16	in	in	IN
39142	1561	17	the	the	DT
39142	1561	18	sun	sun	NN
39142	1561	19	,	,	,
39142	1561	20	and	and	CC
39142	1561	21	the	the	DT
39142	1561	22	number	number	NN
39142	1561	23	of	of	IN
39142	1561	24	coincidences	coincidence	NNS
39142	1561	25	of	of	IN
39142	1561	26	spectral	spectral	JJ
39142	1561	27	lines	line	NNS
39142	1561	28	is	be	VBZ
39142	1561	29	another	another	DT
39142	1561	30	.	.	.
39142	1562	1	Iron	iron	NN
39142	1562	2	,	,	,
39142	1562	3	nickel	nickel	NN
39142	1562	4	,	,	,
39142	1562	5	calcium	calcium	NN
39142	1562	6	,	,	,
39142	1562	7	manganese	manganese	JJ
39142	1562	8	,	,	,
39142	1562	9	sodium	sodium	NN
39142	1562	10	,	,	,
39142	1562	11	cobalt	cobalt	NN
39142	1562	12	,	,	,
39142	1562	13	and	and	CC
39142	1562	14	carbon	carbon	NN
39142	1562	15	are	be	VBP
39142	1562	16	among	among	IN
39142	1562	17	the	the	DT
39142	1562	18	elements	element	NNS
39142	1562	19	most	most	RBS
39142	1562	20	strongly	strongly	RB
39142	1562	21	identified	identify	VBN
39142	1562	22	.	.	.
39142	1563	1	A	a	DT
39142	1563	2	few	few	JJ
39142	1563	3	of	of	IN
39142	1563	4	the	the	DT
39142	1563	5	rarer	rarer	NN
39142	1563	6	terrestrial	terrestrial	JJ
39142	1563	7	elements	element	NNS
39142	1563	8	are	be	VBP
39142	1563	9	of	of	IN
39142	1563	10	doubtful	doubtful	JJ
39142	1563	11	existence	existence	NN
39142	1563	12	in	in	IN
39142	1563	13	the	the	DT
39142	1563	14	sun	sun	NN
39142	1563	15	,	,	,
39142	1563	16	and	and	CC
39142	1563	17	a	a	DT
39142	1563	18	very	very	RB
39142	1563	19	few	few	JJ
39142	1563	20	,	,	,
39142	1563	21	as	as	IN
39142	1563	22	gold	gold	NN
39142	1563	23	,	,	,
39142	1563	24	bismuth	bismuth	NNP
39142	1563	25	,	,	,
39142	1563	26	antimony	antimony	NNP
39142	1563	27	,	,	,
39142	1563	28	and	and	CC
39142	1563	29	sulphur	sulphur	NNP
39142	1563	30	are	be	VBP
39142	1563	31	not	not	RB
39142	1563	32	found	find	VBN
39142	1563	33	there	there	RB
39142	1563	34	,	,	,
39142	1563	35	and	and	CC
39142	1563	36	the	the	DT
39142	1563	37	existence	existence	NN
39142	1563	38	of	of	IN
39142	1563	39	oxygen	oxygen	NN
39142	1563	40	in	in	IN
39142	1563	41	the	the	DT
39142	1563	42	sun	sun	NN
39142	1563	43	is	be	VBZ
39142	1563	44	regarded	regard	VBN
39142	1563	45	by	by	IN
39142	1563	46	some	some	DT
39142	1563	47	experts	expert	NNS
39142	1563	48	as	as	IN
39142	1563	49	doubtful	doubtful	JJ
39142	1563	50	.	.	.
39142	1564	1	But	but	CC
39142	1564	2	if	if	IN
39142	1564	3	the	the	DT
39142	1564	4	whole	whole	JJ
39142	1564	5	earth	earth	NN
39142	1564	6	were	be	VBD
39142	1564	7	vaporized	vaporize	VBN
39142	1564	8	by	by	IN
39142	1564	9	heat	heat	NN
39142	1564	10	,	,	,
39142	1564	11	probably	probably	RB
39142	1564	12	its	-PRON-	PRP$
39142	1564	13	spectrum	spectrum	NN
39142	1564	14	would	would	MD
39142	1564	15	resemble	resemble	VB
39142	1564	16	that	that	DT
39142	1564	17	of	of	IN
39142	1564	18	the	the	DT
39142	1564	19	sun	sun	NN
39142	1564	20	very	very	RB
39142	1564	21	closely	closely	RB
39142	1564	22	.	.	.
39142	1565	1	What	what	WP
39142	1565	2	are	be	VBP
39142	1565	3	the	the	DT
39142	1565	4	effects	effect	NNS
39142	1565	5	of	of	IN
39142	1565	6	the	the	DT
39142	1565	7	sun	sun	NN
39142	1565	8	,	,	,
39142	1565	9	and	and	CC
39142	1565	10	sun	sun	NN
39142	1565	11	spots	spot	NNS
39142	1565	12	in	in	IN
39142	1565	13	particular	particular	JJ
39142	1565	14	,	,	,
39142	1565	15	on	on	IN
39142	1565	16	our	-PRON-	PRP$
39142	1565	17	weather	weather	NN
39142	1565	18	?	?	.
39142	1566	1	Is	be	VBZ
39142	1566	2	the	the	DT
39142	1566	3	influence	influence	NN
39142	1566	4	of	of	IN
39142	1566	5	their	-PRON-	PRP$
39142	1566	6	periodicity	periodicity	NN
39142	1566	7	potent	potent	JJ
39142	1566	8	or	or	CC
39142	1566	9	negligible	negligible	JJ
39142	1566	10	?	?	.
39142	1567	1	If	if	IN
39142	1567	2	we	-PRON-	PRP
39142	1567	3	investigate	investigate	VBP
39142	1567	4	conditions	condition	NNS
39142	1567	5	pertaining	pertain	VBG
39142	1567	6	to	to	IN
39142	1567	7	terrestrial	terrestrial	JJ
39142	1567	8	magnetism	magnetism	NN
39142	1567	9	,	,	,
39142	1567	10	as	as	IN
39142	1567	11	fluctuations	fluctuation	NNS
39142	1567	12	of	of	IN
39142	1567	13	the	the	DT
39142	1567	14	magnetic	magnetic	JJ
39142	1567	15	needle	needle	NN
39142	1567	16	,	,	,
39142	1567	17	and	and	CC
39142	1567	18	the	the	DT
39142	1567	19	frequency	frequency	NN
39142	1567	20	of	of	IN
39142	1567	21	auroræ	auroræ	NN
39142	1567	22	,	,	,
39142	1567	23	there	there	EX
39142	1567	24	is	be	VBZ
39142	1567	25	no	no	DT
39142	1567	26	occasion	occasion	NN
39142	1567	27	for	for	IN
39142	1567	28	doubt	doubt	NN
39142	1567	29	of	of	IN
39142	1567	30	the	the	DT
39142	1567	31	sun	sun	NN
39142	1567	32	's	's	POS
39142	1567	33	direct	direct	JJ
39142	1567	34	influence	influence	NN
39142	1567	35	,	,	,
39142	1567	36	although	although	IN
39142	1567	37	we	-PRON-	PRP
39142	1567	38	are	be	VBP
39142	1567	39	not	not	RB
39142	1567	40	able	able	JJ
39142	1567	41	to	to	TO
39142	1567	42	say	say	VB
39142	1567	43	just	just	RB
39142	1567	44	how	how	WRB
39142	1567	45	that	that	DT
39142	1567	46	influence	influence	NN
39142	1567	47	becomes	become	VBZ
39142	1567	48	potent	potent	JJ
39142	1567	49	.	.	.
39142	1568	1	If	if	IN
39142	1568	2	,	,	,
39142	1568	3	however	however	RB
39142	1568	4	,	,	,
39142	1568	5	we	-PRON-	PRP
39142	1568	6	look	look	VBP
39142	1568	7	into	into	IN
39142	1568	8	questions	question	NNS
39142	1568	9	of	of	IN
39142	1568	10	temperature	temperature	NN
39142	1568	11	,	,	,
39142	1568	12	barometric	barometric	JJ
39142	1568	13	pressure	pressure	NN
39142	1568	14	,	,	,
39142	1568	15	rainfall	rainfall	NN
39142	1568	16	,	,	,
39142	1568	17	cyclones	cyclone	NNS
39142	1568	18	,	,	,
39142	1568	19	crops	crop	NNS
39142	1568	20	,	,	,
39142	1568	21	and	and	CC
39142	1568	22	consequent	consequent	JJ
39142	1568	23	financial	financial	JJ
39142	1568	24	conditions	condition	NNS
39142	1568	25	,	,	,
39142	1568	26	we	-PRON-	PRP
39142	1568	27	find	find	VBP
39142	1568	28	fully	fully	RB
39142	1568	29	as	as	RB
39142	1568	30	much	much	JJ
39142	1568	31	evidence	evidence	NN
39142	1568	32	against	against	IN
39142	1568	33	solar	solar	JJ
39142	1568	34	influence	influence	NN
39142	1568	35	as	as	IN
39142	1568	36	for	for	IN
39142	1568	37	it	-PRON-	PRP
39142	1568	38	.	.	.
39142	1569	1	The	the	DT
39142	1569	2	slight	slight	JJ
39142	1569	3	variations	variation	NNS
39142	1569	4	of	of	IN
39142	1569	5	the	the	DT
39142	1569	6	sun	sun	NN
39142	1569	7	's	's	POS
39142	1569	8	light	light	NN
39142	1569	9	and	and	CC
39142	1569	10	heat	heat	NN
39142	1569	11	due	due	IN
39142	1569	12	to	to	IN
39142	1569	13	the	the	DT
39142	1569	14	presence	presence	NN
39142	1569	15	or	or	CC
39142	1569	16	absence	absence	NN
39142	1569	17	of	of	IN
39142	1569	18	sun	sun	NN
39142	1569	19	spots	spot	NNS
39142	1569	20	can	can	MD
39142	1569	21	scarcely	scarcely	RB
39142	1569	22	be	be	VB
39142	1569	23	sensible	sensible	JJ
39142	1569	24	,	,	,
39142	1569	25	and	and	CC
39142	1569	26	much	much	RB
39142	1569	27	longer	long	JJR
39142	1569	28	periods	period	NNS
39142	1569	29	of	of	IN
39142	1569	30	closer	close	JJR
39142	1569	31	observation	observation	NN
39142	1569	32	are	be	VBP
39142	1569	33	necessary	necessary	JJ
39142	1569	34	before	before	IN
39142	1569	35	such	such	JJ
39142	1569	36	questions	question	NNS
39142	1569	37	can	can	MD
39142	1569	38	be	be	VB
39142	1569	39	finally	finally	RB
39142	1569	40	decided	decide	VBN
39142	1569	41	.	.	.
39142	1570	1	The	the	DT
39142	1570	2	slighter	slighter	NN
39142	1570	3	such	such	JJ
39142	1570	4	influences	influence	NNS
39142	1570	5	are	be	VBP
39142	1570	6	,	,	,
39142	1570	7	if	if	IN
39142	1570	8	they	-PRON-	PRP
39142	1570	9	actually	actually	RB
39142	1570	10	exist	exist	VBP
39142	1570	11	,	,	,
39142	1570	12	and	and	CC
39142	1570	13	the	the	DT
39142	1570	14	more	more	RBR
39142	1570	15	veiled	veiled	JJ
39142	1570	16	they	-PRON-	PRP
39142	1570	17	are	be	VBP
39142	1570	18	by	by	IN
39142	1570	19	other	other	JJ
39142	1570	20	influences	influence	NNS
39142	1570	21	more	more	RBR
39142	1570	22	or	or	CC
39142	1570	23	less	less	RBR
39142	1570	24	powerful	powerful	JJ
39142	1570	25	,	,	,
39142	1570	26	the	the	DT
39142	1570	27	more	more	RBR
39142	1570	28	difficult	difficult	JJ
39142	1570	29	it	-PRON-	PRP
39142	1570	30	is	be	VBZ
39142	1570	31	to	to	TO
39142	1570	32	discover	discover	VB
39142	1570	33	their	-PRON-	PRP$
39142	1570	34	effects	effect	NNS
39142	1570	35	with	with	IN
39142	1570	36	certainty	certainty	NN
39142	1570	37	.	.	.
39142	1571	1	The	the	DT
39142	1571	2	importance	importance	NN
39142	1571	3	of	of	IN
39142	1571	4	solar	solar	JJ
39142	1571	5	radiation	radiation	NN
39142	1571	6	in	in	IN
39142	1571	7	the	the	DT
39142	1571	8	prediction	prediction	NN
39142	1571	9	of	of	IN
39142	1571	10	terrestrial	terrestrial	JJ
39142	1571	11	weather	weather	NN
39142	1571	12	has	have	VBZ
39142	1571	13	long	long	RB
39142	1571	14	been	be	VBN
39142	1571	15	recognized	recognize	VBN
39142	1571	16	,	,	,
39142	1571	17	but	but	CC
39142	1571	18	until	until	IN
39142	1571	19	very	very	RB
39142	1571	20	recently	recently	RB
39142	1571	21	no	no	DT
39142	1571	22	practical	practical	JJ
39142	1571	23	application	application	NN
39142	1571	24	has	have	VBZ
39142	1571	25	been	be	VBN
39142	1571	26	made	make	VBN
39142	1571	27	.	.	.
39142	1572	1	The	the	DT
39142	1572	2	Smithsonian	Smithsonian	NNP
39142	1572	3	Astrophysical	Astrophysical	NNP
39142	1572	4	Observatory	Observatory	NNP
39142	1572	5	at	at	IN
39142	1572	6	Washington	Washington	NNP
39142	1572	7	,	,	,
39142	1572	8	under	under	IN
39142	1572	9	the	the	DT
39142	1572	10	direction	direction	NN
39142	1572	11	of	of	IN
39142	1572	12	Dr.	Dr.	NNP
39142	1572	13	Abbot	Abbot	NNP
39142	1572	14	,	,	,
39142	1572	15	has	have	VBZ
39142	1572	16	for	for	IN
39142	1572	17	many	many	JJ
39142	1572	18	years	year	NNS
39142	1572	19	carried	carry	VBN
39142	1572	20	on	on	RP
39142	1572	21	at	at	IN
39142	1572	22	a	a	DT
39142	1572	23	number	number	NN
39142	1572	24	of	of	IN
39142	1572	25	stations	station	NNS
39142	1572	26	a	a	DT
39142	1572	27	series	series	NN
39142	1572	28	of	of	IN
39142	1572	29	determinations	determination	NNS
39142	1572	30	of	of	IN
39142	1572	31	the	the	DT
39142	1572	32	constant	constant	NN
39142	1572	33	of	of	IN
39142	1572	34	solar	solar	JJ
39142	1572	35	radiation	radiation	NN
39142	1572	36	by	by	IN
39142	1572	37	the	the	DT
39142	1572	38	spectro	spectro	JJ
39142	1572	39	-	-	HYPH
39142	1572	40	bolometric	bolometric	JJ
39142	1572	41	method	method	NN
39142	1572	42	originated	originate	VBN
39142	1572	43	by	by	IN
39142	1572	44	Langley	Langley	NNP
39142	1572	45	.	.	.
39142	1573	1	A	a	DT
39142	1573	2	new	new	JJ
39142	1573	3	station	station	NN
39142	1573	4	in	in	IN
39142	1573	5	Calama	Calama	NNP
39142	1573	6	,	,	,
39142	1573	7	Chile	Chile	NNP
39142	1573	8	,	,	,
39142	1573	9	has	have	VBZ
39142	1573	10	recently	recently	RB
39142	1573	11	been	be	VBN
39142	1573	12	inaugurated	inaugurate	VBN
39142	1573	13	,	,	,
39142	1573	14	at	at	IN
39142	1573	15	which	which	WDT
39142	1573	16	the	the	DT
39142	1573	17	solar	solar	JJ
39142	1573	18	constant	constant	NN
39142	1573	19	is	be	VBZ
39142	1573	20	worked	work	VBN
39142	1573	21	out	out	RP
39142	1573	22	each	each	DT
39142	1573	23	day	day	NN
39142	1573	24	,	,	,
39142	1573	25	and	and	CC
39142	1573	26	telegraphed	telegraph	VBD
39142	1573	27	to	to	IN
39142	1573	28	the	the	DT
39142	1573	29	Argentine	argentine	JJ
39142	1573	30	weather	weather	NN
39142	1573	31	service	service	NN
39142	1573	32	,	,	,
39142	1573	33	where	where	WRB
39142	1573	34	it	-PRON-	PRP
39142	1573	35	is	be	VBZ
39142	1573	36	employed	employ	VBN
39142	1573	37	in	in	IN
39142	1573	38	forecasting	forecasting	NN
39142	1573	39	for	for	IN
39142	1573	40	the	the	DT
39142	1573	41	day	day	NN
39142	1573	42	.	.	.
39142	1574	1	Abbot	Abbot	NNP
39142	1574	2	's	's	POS
39142	1574	3	new	new	JJ
39142	1574	4	method	method	NN
39142	1574	5	of	of	IN
39142	1574	6	solar	solar	JJ
39142	1574	7	constant	constant	JJ
39142	1574	8	determination	determination	NN
39142	1574	9	is	be	VBZ
39142	1574	10	based	base	VBN
39142	1574	11	on	on	IN
39142	1574	12	the	the	DT
39142	1574	13	fact	fact	NN
39142	1574	14	that	that	IN
39142	1574	15	atmospheric	atmospheric	JJ
39142	1574	16	transparency	transparency	NN
39142	1574	17	varies	vary	VBZ
39142	1574	18	oppositely	oppositely	RB
39142	1574	19	to	to	IN
39142	1574	20	the	the	DT
39142	1574	21	variations	variation	NNS
39142	1574	22	of	of	IN
39142	1574	23	brightness	brightness	NN
39142	1574	24	of	of	IN
39142	1574	25	the	the	DT
39142	1574	26	sky	sky	NN
39142	1574	27	.	.	.
39142	1575	1	Increase	increase	NN
39142	1575	2	of	of	IN
39142	1575	3	haziness	haziness	JJ
39142	1575	4	presents	present	NNS
39142	1575	5	more	more	RBR
39142	1575	6	reflecting	reflect	VBG
39142	1575	7	surface	surface	NN
39142	1575	8	to	to	TO
39142	1575	9	scatter	scatter	VB
39142	1575	10	the	the	DT
39142	1575	11	solar	solar	JJ
39142	1575	12	rays	ray	NNS
39142	1575	13	indirectly	indirectly	RB
39142	1575	14	to	to	IN
39142	1575	15	the	the	DT
39142	1575	16	earth	earth	NN
39142	1575	17	.	.	.
39142	1576	1	Of	of	RB
39142	1576	2	course	course	RB
39142	1576	3	it	-PRON-	PRP
39142	1576	4	presents	present	VBZ
39142	1576	5	also	also	RB
39142	1576	6	additional	additional	JJ
39142	1576	7	surface	surface	NN
39142	1576	8	to	to	TO
39142	1576	9	obstruct	obstruct	VB
39142	1576	10	the	the	DT
39142	1576	11	direct	direct	JJ
39142	1576	12	rays	ray	NNS
39142	1576	13	from	from	IN
39142	1576	14	the	the	DT
39142	1576	15	sun	sun	NN
39142	1576	16	.	.	.
39142	1577	1	By	by	IN
39142	1577	2	measuring	measure	VBG
39142	1577	3	the	the	DT
39142	1577	4	brightness	brightness	NN
39142	1577	5	of	of	IN
39142	1577	6	the	the	DT
39142	1577	7	sky	sky	NN
39142	1577	8	near	near	IN
39142	1577	9	the	the	DT
39142	1577	10	sun	sun	NN
39142	1577	11	,	,	,
39142	1577	12	it	-PRON-	PRP
39142	1577	13	becomes	become	VBZ
39142	1577	14	possible	possible	JJ
39142	1577	15	to	to	TO
39142	1577	16	infer	infer	VB
39142	1577	17	the	the	DT
39142	1577	18	coefficients	coefficient	NNS
39142	1577	19	of	of	IN
39142	1577	20	atmospheric	atmospheric	JJ
39142	1577	21	transmission	transmission	NN
39142	1577	22	at	at	IN
39142	1577	23	all	all	DT
39142	1577	24	wave	wave	NN
39142	1577	25	lengths	length	NNS
39142	1577	26	.	.	.
39142	1578	1	The	the	DT
39142	1578	2	direct	direct	JJ
39142	1578	3	observations	observation	NNS
39142	1578	4	and	and	CC
39142	1578	5	the	the	DT
39142	1578	6	complete	complete	JJ
39142	1578	7	deduction	deduction	NN
39142	1578	8	of	of	IN
39142	1578	9	the	the	DT
39142	1578	10	solar	solar	JJ
39142	1578	11	constant	constant	NN
39142	1578	12	for	for	IN
39142	1578	13	the	the	DT
39142	1578	14	day	day	NN
39142	1578	15	can	can	MD
39142	1578	16	all	all	DT
39142	1578	17	be	be	VB
39142	1578	18	completed	complete	VBN
39142	1578	19	within	within	IN
39142	1578	20	two	two	CD
39142	1578	21	or	or	CC
39142	1578	22	three	three	CD
39142	1578	23	hours	hour	NNS
39142	1578	24	.	.	.
39142	1579	1	Clayton	Clayton	NNP
39142	1579	2	of	of	IN
39142	1579	3	Buenos	Buenos	NNP
39142	1579	4	Aires	Aires	NNP
39142	1579	5	has	have	VBZ
39142	1579	6	now	now	RB
39142	1579	7	employed	employ	VBN
39142	1579	8	these	these	DT
39142	1579	9	results	result	NNS
39142	1579	10	in	in	IN
39142	1579	11	the	the	DT
39142	1579	12	Argentine	argentine	JJ
39142	1579	13	weather	weather	NN
39142	1579	14	predictions	prediction	NNS
39142	1579	15	for	for	IN
39142	1579	16	two	two	CD
39142	1579	17	years	year	NNS
39142	1579	18	,	,	,
39142	1579	19	and	and	CC
39142	1579	20	the	the	DT
39142	1579	21	introduction	introduction	NN
39142	1579	22	of	of	IN
39142	1579	23	this	this	DT
39142	1579	24	new	new	JJ
39142	1579	25	element	element	NN
39142	1579	26	in	in	IN
39142	1579	27	forecasting	forecasting	NN
39142	1579	28	has	have	VBZ
39142	1579	29	brought	bring	VBN
39142	1579	30	about	about	RP
39142	1579	31	a	a	DT
39142	1579	32	pronounced	pronounced	JJ
39142	1579	33	gain	gain	NN
39142	1579	34	in	in	IN
39142	1579	35	the	the	DT
39142	1579	36	value	value	NN
39142	1579	37	of	of	IN
39142	1579	38	the	the	DT
39142	1579	39	predictions	prediction	NNS
39142	1579	40	.	.	.
39142	1580	1	Its	-PRON-	PRP$
39142	1580	2	adoption	adoption	NN
39142	1580	3	by	by	IN
39142	1580	4	the	the	DT
39142	1580	5	weather	weather	NN
39142	1580	6	bureaus	bureaus	NN
39142	1580	7	of	of	IN
39142	1580	8	other	other	JJ
39142	1580	9	nations	nation	NNS
39142	1580	10	will	will	MD
39142	1580	11	doubtless	doubtless	RB
39142	1580	12	come	come	VB
39142	1580	13	in	in	IN
39142	1580	14	due	due	JJ
39142	1580	15	time	time	NN
39142	1580	16	,	,	,
39142	1580	17	and	and	CC
39142	1580	18	the	the	DT
39142	1580	19	new	new	JJ
39142	1580	20	method	method	NN
39142	1580	21	take	take	VB
39142	1580	22	a	a	DT
39142	1580	23	firmly	firmly	RB
39142	1580	24	established	establish	VBN
39142	1580	25	rank	rank	NN
39142	1580	26	in	in	IN
39142	1580	27	practical	practical	JJ
39142	1580	28	meteorology	meteorology	NN
39142	1580	29	.	.	.
39142	1581	1	Abbot	Abbot	NNP
39142	1581	2	's	's	POS
39142	1581	3	observations	observation	NNS
39142	1581	4	many	many	JJ
39142	1581	5	years	year	NNS
39142	1581	6	ago	ago	IN
39142	1581	7	first	first	RB
39142	1581	8	called	call	VBD
39142	1581	9	attention	attention	NN
39142	1581	10	to	to	IN
39142	1581	11	the	the	DT
39142	1581	12	variability	variability	NN
39142	1581	13	of	of	IN
39142	1581	14	the	the	DT
39142	1581	15	solar	solar	JJ
39142	1581	16	constant	constant	NN
39142	1581	17	through	through	IN
39142	1581	18	a	a	DT
39142	1581	19	range	range	NN
39142	1581	20	of	of	IN
39142	1581	21	several	several	JJ
39142	1581	22	per	per	IN
39142	1581	23	cent	cent	NN
39142	1581	24	both	both	CC
39142	1581	25	from	from	IN
39142	1581	26	year	year	NN
39142	1581	27	to	to	IN
39142	1581	28	year	year	NN
39142	1581	29	,	,	,
39142	1581	30	and	and	CC
39142	1581	31	in	in	IN
39142	1581	32	irregular	irregular	JJ
39142	1581	33	short	short	JJ
39142	1581	34	periods	period	NNS
39142	1581	35	of	of	IN
39142	1581	36	weeks	week	NNS
39142	1581	37	or	or	CC
39142	1581	38	even	even	RB
39142	1581	39	days	day	NNS
39142	1581	40	.	.	.
39142	1582	1	Abbot	Abbot	NNP
39142	1582	2	considers	consider	VBZ
39142	1582	3	this	this	DT
39142	1582	4	the	the	DT
39142	1582	5	more	more	RBR
39142	1582	6	likely	likely	JJ
39142	1582	7	explanation	explanation	NN
39142	1582	8	than	than	IN
39142	1582	9	that	that	DT
39142	1582	10	atmospheric	atmospheric	JJ
39142	1582	11	changes	change	NNS
39142	1582	12	should	should	MD
39142	1582	13	take	take	VB
39142	1582	14	place	place	NN
39142	1582	15	simultaneously	simultaneously	RB
39142	1582	16	all	all	RB
39142	1582	17	over	over	IN
39142	1582	18	the	the	DT
39142	1582	19	earth	earth	NN
39142	1582	20	.	.	.
39142	1583	1	The	the	DT
39142	1583	2	sun	sun	NN
39142	1583	3	is	be	VBZ
39142	1583	4	but	but	CC
39142	1583	5	a	a	DT
39142	1583	6	star	star	NN
39142	1583	7	,	,	,
39142	1583	8	the	the	DT
39142	1583	9	stars	star	NNS
39142	1583	10	that	that	WDT
39142	1583	11	are	be	VBP
39142	1583	12	irregularly	irregularly	RB
39142	1583	13	variable	variable	JJ
39142	1583	14	in	in	IN
39142	1583	15	light	light	NN
39142	1583	16	and	and	CC
39142	1583	17	heat	heat	NN
39142	1583	18	are	be	VBP
39142	1583	19	numerous	numerous	JJ
39142	1583	20	,	,	,
39142	1583	21	and	and	CC
39142	1583	22	the	the	DT
39142	1583	23	sun	sun	NN
39142	1583	24	itself	-PRON-	PRP
39142	1583	25	appears	appear	VBZ
39142	1583	26	to	to	TO
39142	1583	27	be	be	VB
39142	1583	28	one	one	CD
39142	1583	29	of	of	IN
39142	1583	30	these	these	DT
39142	1583	31	.	.	.
39142	1584	1	Especially	especially	RB
39142	1584	2	important	important	JJ
39142	1584	3	to	to	IN
39142	1584	4	the	the	DT
39142	1584	5	agricultural	agricultural	JJ
39142	1584	6	and	and	CC
39142	1584	7	vineyard	vineyard	NN
39142	1584	8	interests	interest	NNS
39142	1584	9	of	of	IN
39142	1584	10	Argentina	Argentina	NNP
39142	1584	11	is	be	VBZ
39142	1584	12	the	the	DT
39142	1584	13	question	question	NN
39142	1584	14	of	of	IN
39142	1584	15	precipitation	precipitation	NN
39142	1584	16	,	,	,
39142	1584	17	and	and	CC
39142	1584	18	Clayton	Clayton	NNP
39142	1584	19	finds	find	VBZ
39142	1584	20	this	this	DT
39142	1584	21	very	very	RB
39142	1584	22	dependent	dependent	JJ
39142	1584	23	on	on	IN
39142	1584	24	solar	solar	JJ
39142	1584	25	radiation	radiation	NN
39142	1584	26	.	.	.
39142	1585	1	At	at	IN
39142	1585	2	epochs	epoch	NNS
39142	1585	3	of	of	IN
39142	1585	4	practically	practically	RB
39142	1585	5	stationary	stationary	JJ
39142	1585	6	solar	solar	JJ
39142	1585	7	intensity	intensity	NN
39142	1585	8	,	,	,
39142	1585	9	there	there	EX
39142	1585	10	is	be	VBZ
39142	1585	11	little	little	JJ
39142	1585	12	or	or	CC
39142	1585	13	no	no	DT
39142	1585	14	precipitation	precipitation	NN
39142	1585	15	;	;	:
39142	1585	16	but	but	CC
39142	1585	17	quite	quite	RB
39142	1585	18	generally	generally	RB
39142	1585	19	he	-PRON-	PRP
39142	1585	20	finds	find	VBZ
39142	1585	21	that	that	DT
39142	1585	22	great	great	JJ
39142	1585	23	decrease	decrease	NN
39142	1585	24	of	of	IN
39142	1585	25	solar	solar	JJ
39142	1585	26	radiation	radiation	NN
39142	1585	27	is	be	VBZ
39142	1585	28	followed	follow	VBN
39142	1585	29	in	in	RP
39142	1585	30	from	from	IN
39142	1585	31	three	three	CD
39142	1585	32	to	to	TO
39142	1585	33	five	five	CD
39142	1585	34	days	day	NNS
39142	1585	35	by	by	IN
39142	1585	36	heavy	heavy	JJ
39142	1585	37	precipitation	precipitation	NN
39142	1585	38	.	.	.
39142	1586	1	Direct	direct	JJ
39142	1586	2	temperature	temperature	NN
39142	1586	3	effects	effect	NNS
39142	1586	4	are	be	VBP
39142	1586	5	also	also	RB
39142	1586	6	traced	trace	VBN
39142	1586	7	in	in	IN
39142	1586	8	Buenos	Buenos	NNP
39142	1586	9	Aires	Aires	NNP
39142	1586	10	and	and	CC
39142	1586	11	other	other	JJ
39142	1586	12	South	south	JJ
39142	1586	13	American	american	JJ
39142	1586	14	cities	city	NNS
39142	1586	15	,	,	,
39142	1586	16	lagging	lag	VBG
39142	1586	17	from	from	IN
39142	1586	18	two	two	CD
39142	1586	19	to	to	TO
39142	1586	20	three	three	CD
39142	1586	21	days	day	NNS
39142	1586	22	behind	behind	IN
39142	1586	23	the	the	DT
39142	1586	24	observed	observed	JJ
39142	1586	25	solar	solar	JJ
39142	1586	26	fluctuations	fluctuation	NNS
39142	1586	27	.	.	.
39142	1587	1	The	the	DT
39142	1587	2	station	station	NN
39142	1587	3	at	at	IN
39142	1587	4	Calama	Calama	NNP
39142	1587	5	yields	yield	NNS
39142	1587	6	about	about	IN
39142	1587	7	250	250	CD
39142	1587	8	determinations	determination	NNS
39142	1587	9	of	of	IN
39142	1587	10	the	the	DT
39142	1587	11	solar	solar	JJ
39142	1587	12	constant	constant	NN
39142	1587	13	each	each	DT
39142	1587	14	year	year	NN
39142	1587	15	,	,	,
39142	1587	16	and	and	CC
39142	1587	17	the	the	DT
39142	1587	18	Mount	Mount	NNP
39142	1587	19	Wilson	Wilson	NNP
39142	1587	20	station	station	NN
39142	1587	21	about	about	IN
39142	1587	22	half	half	PDT
39142	1587	23	that	that	DT
39142	1587	24	number	number	NN
39142	1587	25	.	.	.
39142	1588	1	They	-PRON-	PRP
39142	1588	2	are	be	VBP
39142	1588	3	the	the	DT
39142	1588	4	only	only	JJ
39142	1588	5	stations	station	NNS
39142	1588	6	of	of	IN
39142	1588	7	this	this	DT
39142	1588	8	character	character	NN
39142	1588	9	at	at	IN
39142	1588	10	present	present	NN
39142	1588	11	in	in	IN
39142	1588	12	existence	existence	NN
39142	1588	13	,	,	,
39142	1588	14	and	and	CC
39142	1588	15	others	other	NNS
39142	1588	16	should	should	MD
39142	1588	17	be	be	VB
39142	1588	18	established	establish	VBN
39142	1588	19	in	in	IN
39142	1588	20	widely	widely	RB
39142	1588	21	separated	separated	JJ
39142	1588	22	and	and	CC
39142	1588	23	cloudless	cloudless	JJ
39142	1588	24	regions	region	NNS
39142	1588	25	,	,	,
39142	1588	26	as	as	IN
39142	1588	27	Egypt	Egypt	NNP
39142	1588	28	,	,	,
39142	1588	29	southern	southern	JJ
39142	1588	30	California	California	NNP
39142	1588	31	and	and	CC
39142	1588	32	Australia	Australia	NNP
39142	1588	33	.	.	.
39142	1589	1	Uniformity	uniformity	NN
39142	1589	2	in	in	IN
39142	1589	3	the	the	DT
39142	1589	4	methods	method	NNS
39142	1589	5	of	of	IN
39142	1589	6	observing	observing	NN
39142	1589	7	would	would	MD
39142	1589	8	be	be	VB
39142	1589	9	highly	highly	RB
39142	1589	10	desirable	desirable	JJ
39142	1589	11	,	,	,
39142	1589	12	and	and	CC
39142	1589	13	the	the	DT
39142	1589	14	Smithsonian	Smithsonian	NNP
39142	1589	15	Institution	Institution	NNP
39142	1589	16	has	have	VBZ
39142	1589	17	perfected	perfect	VBN
39142	1589	18	the	the	DT
39142	1589	19	details	detail	NNS
39142	1589	20	of	of	IN
39142	1589	21	common	common	JJ
39142	1589	22	control	control	NN
39142	1589	23	of	of	IN
39142	1589	24	such	such	JJ
39142	1589	25	stations	station	NNS
39142	1589	26	which	which	WDT
39142	1589	27	it	-PRON-	PRP
39142	1589	28	is	be	VBZ
39142	1589	29	expected	expect	VBN
39142	1589	30	may	may	MD
39142	1589	31	be	be	VB
39142	1589	32	established	establish	VBN
39142	1589	33	at	at	IN
39142	1589	34	an	an	DT
39142	1589	35	early	early	JJ
39142	1589	36	day	day	NN
39142	1589	37	.	.	.
39142	1590	1	CHAPTER	chapter	NN
39142	1590	2	XXVII	XXVII	NNP
39142	1590	3	THE	the	DT
39142	1590	4	INNER	inner	JJ
39142	1590	5	PLANETS	PLANETS	NNP
39142	1590	6	VULCAN	vulcan	NN
39142	1590	7	About	about	IN
39142	1590	8	the	the	DT
39142	1590	9	middle	middle	NN
39142	1590	10	of	of	IN
39142	1590	11	the	the	DT
39142	1590	12	last	last	JJ
39142	1590	13	century	century	NN
39142	1590	14	,	,	,
39142	1590	15	Le	Le	NNP
39142	1590	16	Verrier	Verrier	NNP
39142	1590	17	,	,	,
39142	1590	18	a	a	DT
39142	1590	19	great	great	JJ
39142	1590	20	French	french	JJ
39142	1590	21	astronomer	astronomer	NN
39142	1590	22	,	,	,
39142	1590	23	having	have	VBG
39142	1590	24	added	add	VBN
39142	1590	25	the	the	DT
39142	1590	26	planet	planet	NN
39142	1590	27	Neptune	Neptune	NNP
39142	1590	28	beyond	beyond	IN
39142	1590	29	the	the	DT
39142	1590	30	outside	outside	JJ
39142	1590	31	confines	confine	NNS
39142	1590	32	of	of	IN
39142	1590	33	the	the	DT
39142	1590	34	solar	solar	JJ
39142	1590	35	system	system	NN
39142	1590	36	,	,	,
39142	1590	37	sought	seek	VBD
39142	1590	38	evidence	evidence	NN
39142	1590	39	of	of	IN
39142	1590	40	a	a	DT
39142	1590	41	lesser	less	JJR
39142	1590	42	planet	planet	NN
39142	1590	43	traveling	travel	VBG
39142	1590	44	round	round	IN
39142	1590	45	the	the	DT
39142	1590	46	sun	sun	NN
39142	1590	47	within	within	IN
39142	1590	48	the	the	DT
39142	1590	49	orbit	orbit	NN
39142	1590	50	of	of	IN
39142	1590	51	Mercury	Mercury	NNP
39142	1590	52	.	.	.
39142	1591	1	For	for	IN
39142	1591	2	many	many	JJ
39142	1591	3	years	year	NNS
39142	1591	4	close	close	JJ
39142	1591	5	watch	watch	NN
39142	1591	6	was	be	VBD
39142	1591	7	kept	keep	VBN
39142	1591	8	on	on	IN
39142	1591	9	the	the	DT
39142	1591	10	sun	sun	NN
39142	1591	11	in	in	IN
39142	1591	12	the	the	DT
39142	1591	13	hope	hope	NN
39142	1591	14	of	of	IN
39142	1591	15	discovering	discover	VBG
39142	1591	16	such	such	PDT
39142	1591	17	a	a	DT
39142	1591	18	body	body	NN
39142	1591	19	in	in	IN
39142	1591	20	the	the	DT
39142	1591	21	act	act	NN
39142	1591	22	of	of	IN
39142	1591	23	passing	pass	VBG
39142	1591	24	across	across	IN
39142	1591	25	the	the	DT
39142	1591	26	disk	disk	NN
39142	1591	27	,	,	,
39142	1591	28	or	or	CC
39142	1591	29	in	in	IN
39142	1591	30	transit	transit	NN
39142	1591	31	,	,	,
39142	1591	32	as	as	IN
39142	1591	33	it	-PRON-	PRP
39142	1591	34	is	be	VBZ
39142	1591	35	technically	technically	RB
39142	1591	36	termed	term	VBN
39142	1591	37	.	.	.
39142	1592	1	Lescarbault	Lescarbault	NNP
39142	1592	2	,	,	,
39142	1592	3	a	a	DT
39142	1592	4	French	french	JJ
39142	1592	5	physician	physician	NN
39142	1592	6	,	,	,
39142	1592	7	announced	announce	VBD
39142	1592	8	that	that	IN
39142	1592	9	he	-PRON-	PRP
39142	1592	10	had	have	VBD
39142	1592	11	actually	actually	RB
39142	1592	12	seen	see	VBN
39142	1592	13	such	such	PDT
39142	1592	14	a	a	DT
39142	1592	15	planet	planet	NN
39142	1592	16	,	,	,
39142	1592	17	Vulcan	Vulcan	NNP
39142	1592	18	it	-PRON-	PRP
39142	1592	19	was	be	VBD
39142	1592	20	called	call	VBN
39142	1592	21	,	,	,
39142	1592	22	passing	pass	VBG
39142	1592	23	over	over	IN
39142	1592	24	the	the	DT
39142	1592	25	sun	sun	NN
39142	1592	26	in	in	IN
39142	1592	27	1859	1859	CD
39142	1592	28	.	.	.
39142	1593	1	Total	total	JJ
39142	1593	2	eclipses	eclipse	NNS
39142	1593	3	of	of	IN
39142	1593	4	the	the	DT
39142	1593	5	sun	sun	NN
39142	1593	6	would	would	MD
39142	1593	7	afford	afford	VB
39142	1593	8	the	the	DT
39142	1593	9	best	good	JJS
39142	1593	10	opportunity	opportunity	NN
39142	1593	11	for	for	IN
39142	1593	12	seeing	see	VBG
39142	1593	13	such	such	PDT
39142	1593	14	a	a	DT
39142	1593	15	body	body	NN
39142	1593	16	,	,	,
39142	1593	17	and	and	CC
39142	1593	18	on	on	IN
39142	1593	19	several	several	JJ
39142	1593	20	such	such	JJ
39142	1593	21	occasions	occasion	NNS
39142	1593	22	astronomers	astronomer	NNS
39142	1593	23	thought	think	VBD
39142	1593	24	they	-PRON-	PRP
39142	1593	25	had	have	VBD
39142	1593	26	found	find	VBN
39142	1593	27	it	-PRON-	PRP
39142	1593	28	.	.	.
39142	1594	1	But	but	CC
39142	1594	2	the	the	DT
39142	1594	3	signal	signal	JJ
39142	1594	4	advantages	advantage	NNS
39142	1594	5	of	of	IN
39142	1594	6	photography	photography	NN
39142	1594	7	have	have	VBP
39142	1594	8	been	be	VBN
39142	1594	9	applied	apply	VBN
39142	1594	10	so	so	RB
39142	1594	11	often	often	RB
39142	1594	12	to	to	IN
39142	1594	13	this	this	DT
39142	1594	14	search	search	NN
39142	1594	15	,	,	,
39142	1594	16	and	and	CC
39142	1594	17	always	always	RB
39142	1594	18	unsuccessfully	unsuccessfully	RB
39142	1594	19	,	,	,
39142	1594	20	that	that	IN
39142	1594	21	the	the	DT
39142	1594	22	existence	existence	NN
39142	1594	23	of	of	IN
39142	1594	24	Vulcan	Vulcan	NNP
39142	1594	25	,	,	,
39142	1594	26	or	or	CC
39142	1594	27	the	the	DT
39142	1594	28	intramercurian	intramercurian	JJ
39142	1594	29	planet	planet	NN
39142	1594	30	,	,	,
39142	1594	31	is	be	VBZ
39142	1594	32	now	now	RB
39142	1594	33	regarded	regard	VBN
39142	1594	34	as	as	IN
39142	1594	35	mythical	mythical	JJ
39142	1594	36	.	.	.
39142	1595	1	MERCURY	MERCURY	NNP
39142	1595	2	This	this	DT
39142	1595	3	planet	planet	NN
39142	1595	4	is	be	VBZ
39142	1595	5	an	an	DT
39142	1595	6	elusive	elusive	JJ
39142	1595	7	body	body	NN
39142	1595	8	that	that	WDT
39142	1595	9	very	very	RB
39142	1595	10	few	few	JJ
39142	1595	11	,	,	,
39142	1595	12	even	even	RB
39142	1595	13	astronomers	astronomer	NNS
39142	1595	14	,	,	,
39142	1595	15	have	have	VBP
39142	1595	16	ever	ever	RB
39142	1595	17	seen	see	VBN
39142	1595	18	.	.	.
39142	1596	1	It	-PRON-	PRP
39142	1596	2	is	be	VBZ
39142	1596	3	not	not	RB
39142	1596	4	very	very	RB
39142	1596	5	bright	bright	JJ
39142	1596	6	,	,	,
39142	1596	7	has	have	VBZ
39142	1596	8	a	a	DT
39142	1596	9	rapid	rapid	JJ
39142	1596	10	motion	motion	NN
39142	1596	11	and	and	CC
39142	1596	12	never	never	RB
39142	1596	13	retreats	retreat	VBZ
39142	1596	14	far	far	RB
39142	1596	15	from	from	IN
39142	1596	16	the	the	DT
39142	1596	17	sun	sun	NN
39142	1596	18	,	,	,
39142	1596	19	so	so	IN
39142	1596	20	that	that	IN
39142	1596	21	it	-PRON-	PRP
39142	1596	22	was	be	VBD
39142	1596	23	a	a	DT
39142	1596	24	puzzle	puzzle	NN
39142	1596	25	to	to	IN
39142	1596	26	the	the	DT
39142	1596	27	ancients	ancient	NNS
39142	1596	28	who	who	WP
39142	1596	29	saw	see	VBD
39142	1596	30	it	-PRON-	PRP
39142	1596	31	,	,	,
39142	1596	32	sometimes	sometimes	RB
39142	1596	33	in	in	IN
39142	1596	34	the	the	DT
39142	1596	35	twilight	twilight	NN
39142	1596	36	after	after	IN
39142	1596	37	sunset	sunset	NN
39142	1596	38	and	and	CC
39142	1596	39	again	again	RB
39142	1596	40	in	in	IN
39142	1596	41	the	the	DT
39142	1596	42	twilight	twilight	NN
39142	1596	43	of	of	IN
39142	1596	44	dawn	dawn	NN
39142	1596	45	.	.	.
39142	1597	1	When	when	WRB
39142	1597	2	following	follow	VBG
39142	1597	3	the	the	DT
39142	1597	4	sun	sun	NN
39142	1597	5	down	down	RP
39142	1597	6	in	in	IN
39142	1597	7	the	the	DT
39142	1597	8	west	west	NN
39142	1597	9	,	,	,
39142	1597	10	in	in	IN
39142	1597	11	March	March	NNP
39142	1597	12	or	or	CC
39142	1597	13	April	April	NNP
39142	1597	14	,	,	,
39142	1597	15	Mercury	Mercury	NNP
39142	1597	16	is	be	VBZ
39142	1597	17	likely	likely	JJ
39142	1597	18	to	to	TO
39142	1597	19	be	be	VB
39142	1597	20	best	well	RBS
39142	1597	21	seen	see	VBN
39142	1597	22	;	;	:
39142	1597	23	twinkling	twinkle	VBG
39142	1597	24	rather	rather	RB
39142	1597	25	violently	violently	RB
39142	1597	26	and	and	CC
39142	1597	27	nearly	nearly	RB
39142	1597	28	as	as	RB
39142	1597	29	bright	bright	JJ
39142	1597	30	as	as	IN
39142	1597	31	a	a	DT
39142	1597	32	star	star	NN
39142	1597	33	of	of	IN
39142	1597	34	the	the	DT
39142	1597	35	first	first	JJ
39142	1597	36	magnitude	magnitude	NN
39142	1597	37	.	.	.
39142	1598	1	Very	very	RB
39142	1598	2	little	little	JJ
39142	1598	3	is	be	VBZ
39142	1598	4	to	to	TO
39142	1598	5	be	be	VB
39142	1598	6	seen	see	VBN
39142	1598	7	on	on	IN
39142	1598	8	the	the	DT
39142	1598	9	minute	minute	NN
39142	1598	10	disk	disk	NN
39142	1598	11	of	of	IN
39142	1598	12	this	this	DT
39142	1598	13	planet	planet	NN
39142	1598	14	,	,	,
39142	1598	15	except	except	IN
39142	1598	16	that	that	IN
39142	1598	17	it	-PRON-	PRP
39142	1598	18	goes	go	VBZ
39142	1598	19	through	through	IN
39142	1598	20	all	all	PDT
39142	1598	21	the	the	DT
39142	1598	22	phases	phase	NNS
39142	1598	23	of	of	IN
39142	1598	24	the	the	DT
39142	1598	25	moon	moon	NN
39142	1598	26	--	--	:
39142	1598	27	crescent	crescent	JJ
39142	1598	28	,	,	,
39142	1598	29	gibbous	gibbous	JJ
39142	1598	30	,	,	,
39142	1598	31	full	full	JJ
39142	1598	32	,	,	,
39142	1598	33	gibbous	gibbous	JJ
39142	1598	34	,	,	,
39142	1598	35	crescent	crescent	JJ
39142	1598	36	.	.	.
39142	1599	1	Whether	whether	IN
39142	1599	2	Mercury	Mercury	NNP
39142	1599	3	turns	turn	VBZ
39142	1599	4	round	round	JJ
39142	1599	5	on	on	IN
39142	1599	6	its	-PRON-	PRP$
39142	1599	7	axis	axi	NNS
39142	1599	8	or	or	CC
39142	1599	9	not	not	RB
39142	1599	10	,	,	,
39142	1599	11	can	can	MD
39142	1599	12	not	not	RB
39142	1599	13	be	be	VB
39142	1599	14	said	say	VBN
39142	1599	15	to	to	TO
39142	1599	16	be	be	VB
39142	1599	17	known	know	VBN
39142	1599	18	,	,	,
39142	1599	19	because	because	IN
39142	1599	20	the	the	DT
39142	1599	21	markings	marking	NNS
39142	1599	22	that	that	WDT
39142	1599	23	are	be	VBP
39142	1599	24	suspected	suspect	VBN
39142	1599	25	on	on	IN
39142	1599	26	its	-PRON-	PRP$
39142	1599	27	surface	surface	NN
39142	1599	28	are	be	VBP
39142	1599	29	too	too	RB
39142	1599	30	indefinite	indefinite	JJ
39142	1599	31	to	to	TO
39142	1599	32	permit	permit	VB
39142	1599	33	exact	exact	JJ
39142	1599	34	observation	observation	NN
39142	1599	35	.	.	.
39142	1600	1	More	More	JJR
39142	1600	2	than	than	IN
39142	1600	3	likely	likely	RB
39142	1600	4	the	the	DT
39142	1600	5	planet	planet	NN
39142	1600	6	presents	present	VBZ
39142	1600	7	always	always	RB
39142	1600	8	the	the	DT
39142	1600	9	same	same	JJ
39142	1600	10	side	side	NN
39142	1600	11	or	or	CC
39142	1600	12	face	face	NN
39142	1600	13	to	to	IN
39142	1600	14	the	the	DT
39142	1600	15	sun	sun	NN
39142	1600	16	,	,	,
39142	1600	17	so	so	IN
39142	1600	18	that	that	IN
39142	1600	19	it	-PRON-	PRP
39142	1600	20	turns	turn	VBZ
39142	1600	21	round	round	JJ
39142	1600	22	on	on	IN
39142	1600	23	its	-PRON-	PRP$
39142	1600	24	axis	axi	NNS
39142	1600	25	once	once	RB
39142	1600	26	,	,	,
39142	1600	27	while	while	IN
39142	1600	28	traveling	travel	VBG
39142	1600	29	once	once	RB
39142	1600	30	around	around	IN
39142	1600	31	the	the	DT
39142	1600	32	sun	sun	NN
39142	1600	33	in	in	IN
39142	1600	34	its	-PRON-	PRP$
39142	1600	35	orbit	orbit	NN
39142	1600	36	.	.	.
39142	1601	1	Mercury	Mercury	NNP
39142	1601	2	's	's	POS
39142	1601	3	day	day	NN
39142	1601	4	and	and	CC
39142	1601	5	year	year	NN
39142	1601	6	would	would	MD
39142	1601	7	therefore	therefore	RB
39142	1601	8	be	be	VB
39142	1601	9	equal	equal	JJ
39142	1601	10	in	in	IN
39142	1601	11	length	length	NN
39142	1601	12	.	.	.
39142	1602	1	Nor	nor	CC
39142	1602	2	have	have	VBP
39142	1602	3	we	-PRON-	PRP
39142	1602	4	much	much	JJ
39142	1602	5	evidence	evidence	NN
39142	1602	6	on	on	IN
39142	1602	7	the	the	DT
39142	1602	8	question	question	NN
39142	1602	9	of	of	IN
39142	1602	10	an	an	DT
39142	1602	11	atmosphere	atmosphere	NN
39142	1602	12	surrounding	surround	VBG
39142	1602	13	Mercury	Mercury	NNP
39142	1602	14	;	;	:
39142	1602	15	probably	probably	RB
39142	1602	16	it	-PRON-	PRP
39142	1602	17	is	be	VBZ
39142	1602	18	very	very	RB
39142	1602	19	thin	thin	JJ
39142	1602	20	,	,	,
39142	1602	21	if	if	IN
39142	1602	22	indeed	indeed	RB
39142	1602	23	there	there	EX
39142	1602	24	is	be	VBZ
39142	1602	25	any	any	DT
39142	1602	26	at	at	RB
39142	1602	27	all	all	RB
39142	1602	28	.	.	.
39142	1603	1	When	when	WRB
39142	1603	2	Mercury	Mercury	NNP
39142	1603	3	comes	come	VBZ
39142	1603	4	directly	directly	RB
39142	1603	5	between	between	IN
39142	1603	6	us	-PRON-	PRP
39142	1603	7	and	and	CC
39142	1603	8	the	the	DT
39142	1603	9	sun	sun	NN
39142	1603	10	,	,	,
39142	1603	11	crossing	cross	VBG
39142	1603	12	in	in	IN
39142	1603	13	transit	transit	NN
39142	1603	14	,	,	,
39142	1603	15	the	the	DT
39142	1603	16	edge	edge	NN
39142	1603	17	of	of	IN
39142	1603	18	the	the	DT
39142	1603	19	planet	planet	NN
39142	1603	20	as	as	IN
39142	1603	21	projected	project	VBN
39142	1603	22	against	against	IN
39142	1603	23	the	the	DT
39142	1603	24	sun	sun	NN
39142	1603	25	is	be	VBZ
39142	1603	26	very	very	RB
39142	1603	27	sharply	sharply	RB
39142	1603	28	defined	define	VBN
39142	1603	29	,	,	,
39142	1603	30	and	and	CC
39142	1603	31	this	this	DT
39142	1603	32	would	would	MD
39142	1603	33	indicate	indicate	VB
39142	1603	34	an	an	DT
39142	1603	35	absence	absence	NN
39142	1603	36	of	of	IN
39142	1603	37	atmosphere	atmosphere	NN
39142	1603	38	on	on	IN
39142	1603	39	Mercury	Mercury	NNP
39142	1603	40	.	.	.
39142	1604	1	Transits	Transits	NNP
39142	1604	2	of	of	IN
39142	1604	3	Mercury	Mercury	NNP
39142	1604	4	can	can	MD
39142	1604	5	occur	occur	VB
39142	1604	6	in	in	IN
39142	1604	7	May	May	NNP
39142	1604	8	and	and	CC
39142	1604	9	November	November	NNP
39142	1604	10	only	only	RB
39142	1604	11	:	:	:
39142	1604	12	there	there	EX
39142	1604	13	was	be	VBD
39142	1604	14	one	one	CD
39142	1604	15	on	on	IN
39142	1604	16	November	November	NNP
39142	1604	17	7	7	CD
39142	1604	18	,	,	,
39142	1604	19	1914	1914	CD
39142	1604	20	,	,	,
39142	1604	21	and	and	CC
39142	1604	22	there	there	EX
39142	1604	23	will	will	MD
39142	1604	24	be	be	VB
39142	1604	25	one	one	CD
39142	1604	26	on	on	IN
39142	1604	27	May	May	NNP
39142	1604	28	7	7	CD
39142	1604	29	,	,	,
39142	1604	30	1924	1924	CD
39142	1604	31	.	.	.
39142	1605	1	The	the	DT
39142	1605	2	latter	latter	NN
39142	1605	3	will	will	MD
39142	1605	4	be	be	VB
39142	1605	5	nearly	nearly	RB
39142	1605	6	eight	eight	CD
39142	1605	7	hours	hour	NNS
39142	1605	8	in	in	IN
39142	1605	9	length	length	NN
39142	1605	10	,	,	,
39142	1605	11	which	which	WDT
39142	1605	12	is	be	VBZ
39142	1605	13	almost	almost	RB
39142	1605	14	the	the	DT
39142	1605	15	limit	limit	NN
39142	1605	16	.	.	.
39142	1606	1	Mercury	Mercury	NNP
39142	1606	2	's	's	POS
39142	1606	3	distance	distance	NN
39142	1606	4	from	from	IN
39142	1606	5	the	the	DT
39142	1606	6	sun	sun	NN
39142	1606	7	averages	averages	NNP
39142	1606	8	36	36	CD
39142	1606	9	million	million	CD
39142	1606	10	miles	mile	NNS
39142	1606	11	,	,	,
39142	1606	12	the	the	DT
39142	1606	13	diameter	diameter	NN
39142	1606	14	of	of	IN
39142	1606	15	the	the	DT
39142	1606	16	planet	planet	NN
39142	1606	17	is	be	VBZ
39142	1606	18	3,000	3,000	CD
39142	1606	19	miles	mile	NNS
39142	1606	20	,	,	,
39142	1606	21	and	and	CC
39142	1606	22	his	-PRON-	PRP$
39142	1606	23	orbital	orbital	JJ
39142	1606	24	speed	speed	NN
39142	1606	25	is	be	VBZ
39142	1606	26	30	30	CD
39142	1606	27	miles	mile	NNS
39142	1606	28	per	per	IN
39142	1606	29	second	second	NN
39142	1606	30	,	,	,
39142	1606	31	the	the	DT
39142	1606	32	swiftest	swift	JJS
39142	1606	33	of	of	IN
39142	1606	34	all	all	PDT
39142	1606	35	the	the	DT
39142	1606	36	planets	planet	NNS
39142	1606	37	.	.	.
39142	1607	1	No	no	DT
39142	1607	2	moon	moon	NN
39142	1607	3	of	of	IN
39142	1607	4	Mercury	Mercury	NNP
39142	1607	5	is	be	VBZ
39142	1607	6	known	know	VBN
39142	1607	7	to	to	TO
39142	1607	8	exist	exist	VB
39142	1607	9	,	,	,
39142	1607	10	although	although	IN
39142	1607	11	many	many	JJ
39142	1607	12	times	time	NNS
39142	1607	13	diligently	diligently	RB
39142	1607	14	searched	search	VBD
39142	1607	15	for	for	IN
39142	1607	16	,	,	,
39142	1607	17	especially	especially	RB
39142	1607	18	during	during	IN
39142	1607	19	transits	transit	NNS
39142	1607	20	of	of	IN
39142	1607	21	the	the	DT
39142	1607	22	planet	planet	NN
39142	1607	23	.	.	.
39142	1608	1	VENUS	VENUS	NNP
39142	1608	2	Brightest	Brightest	NNP
39142	1608	3	of	of	IN
39142	1608	4	all	all	PDT
39142	1608	5	the	the	DT
39142	1608	6	planets	planet	NNS
39142	1608	7	,	,	,
39142	1608	8	and	and	CC
39142	1608	9	the	the	DT
39142	1608	10	most	most	RBS
39142	1608	11	beautiful	beautiful	JJ
39142	1608	12	of	of	IN
39142	1608	13	all	all	DT
39142	1608	14	is	be	VBZ
39142	1608	15	Venus	Venus	NNP
39142	1608	16	.	.	.
39142	1609	1	Its	-PRON-	PRP$
39142	1609	2	path	path	NN
39142	1609	3	is	be	VBZ
39142	1609	4	next	next	JJ
39142	1609	5	outside	outside	IN
39142	1609	6	the	the	DT
39142	1609	7	orbit	orbit	NN
39142	1609	8	of	of	IN
39142	1609	9	Mercury	Mercury	NNP
39142	1609	10	,	,	,
39142	1609	11	but	but	CC
39142	1609	12	within	within	IN
39142	1609	13	that	that	DT
39142	1609	14	of	of	IN
39142	1609	15	the	the	DT
39142	1609	16	earth	earth	NN
39142	1609	17	,	,	,
39142	1609	18	so	so	IN
39142	1609	19	that	that	IN
39142	1609	20	it	-PRON-	PRP
39142	1609	21	partakes	partake	VBZ
39142	1609	22	of	of	IN
39142	1609	23	all	all	PDT
39142	1609	24	the	the	DT
39142	1609	25	phases	phase	NNS
39142	1609	26	of	of	IN
39142	1609	27	the	the	DT
39142	1609	28	moon	moon	NN
39142	1609	29	.	.	.
39142	1610	1	Like	like	IN
39142	1610	2	Mercury	Mercury	NNP
39142	1610	3	it	-PRON-	PRP
39142	1610	4	sometimes	sometimes	RB
39142	1610	5	passes	pass	VBZ
39142	1610	6	exactly	exactly	RB
39142	1610	7	between	between	IN
39142	1610	8	us	-PRON-	PRP
39142	1610	9	and	and	CC
39142	1610	10	the	the	DT
39142	1610	11	sun	sun	NN
39142	1610	12	,	,	,
39142	1610	13	a	a	DT
39142	1610	14	rare	rare	JJ
39142	1610	15	phenomenon	phenomenon	NN
39142	1610	16	which	which	WDT
39142	1610	17	is	be	VBZ
39142	1610	18	known	know	VBN
39142	1610	19	as	as	IN
39142	1610	20	a	a	DT
39142	1610	21	transit	transit	NN
39142	1610	22	of	of	IN
39142	1610	23	Venus	Venus	NNP
39142	1610	24	.	.	.
39142	1611	1	Being	be	VBG
39142	1611	2	without	without	IN
39142	1611	3	telescopes	telescope	NNS
39142	1611	4	,	,	,
39142	1611	5	the	the	DT
39142	1611	6	ancients	ancient	NNS
39142	1611	7	knew	know	VBD
39142	1611	8	nothing	nothing	NN
39142	1611	9	about	about	IN
39142	1611	10	these	these	DT
39142	1611	11	occurrences	occurrence	NNS
39142	1611	12	,	,	,
39142	1611	13	but	but	CC
39142	1611	14	they	-PRON-	PRP
39142	1611	15	were	be	VBD
39142	1611	16	puzzled	puzzle	VBN
39142	1611	17	for	for	IN
39142	1611	18	centuries	century	NNS
39142	1611	19	over	over	IN
39142	1611	20	the	the	DT
39142	1611	21	appearance	appearance	NN
39142	1611	22	of	of	IN
39142	1611	23	the	the	DT
39142	1611	24	planet	planet	NN
39142	1611	25	in	in	IN
39142	1611	26	the	the	DT
39142	1611	27	west	west	NN
39142	1611	28	after	after	IN
39142	1611	29	sunset	sunset	NN
39142	1611	30	,	,	,
39142	1611	31	when	when	WRB
39142	1611	32	they	-PRON-	PRP
39142	1611	33	called	call	VBD
39142	1611	34	it	-PRON-	PRP
39142	1611	35	Hesperus	Hesperus	NNP
39142	1611	36	,	,	,
39142	1611	37	and	and	CC
39142	1611	38	in	in	IN
39142	1611	39	early	early	JJ
39142	1611	40	dawn	dawn	NN
39142	1611	41	in	in	IN
39142	1611	42	the	the	DT
39142	1611	43	east	east	NN
39142	1611	44	when	when	WRB
39142	1611	45	they	-PRON-	PRP
39142	1611	46	gave	give	VBD
39142	1611	47	it	-PRON-	PRP
39142	1611	48	the	the	DT
39142	1611	49	name	name	NN
39142	1611	50	Phosphorus	Phosphorus	NNP
39142	1611	51	.	.	.
39142	1612	1	Venus	Venus	NNP
39142	1612	2	is	be	VBZ
39142	1612	3	known	know	VBN
39142	1612	4	to	to	TO
39142	1612	5	be	be	VB
39142	1612	6	girdled	girdle	VBN
39142	1612	7	with	with	IN
39142	1612	8	an	an	DT
39142	1612	9	atmosphere	atmosphere	NN
39142	1612	10	denser	denser	NN
39142	1612	11	than	than	IN
39142	1612	12	ours	-PRON-	PRP
39142	1612	13	,	,	,
39142	1612	14	and	and	CC
39142	1612	15	it	-PRON-	PRP
39142	1612	16	seems	seem	VBZ
39142	1612	17	to	to	TO
39142	1612	18	be	be	VB
39142	1612	19	always	always	RB
39142	1612	20	filled	fill	VBN
39142	1612	21	with	with	IN
39142	1612	22	dense	dense	JJ
39142	1612	23	clouds	cloud	NNS
39142	1612	24	.	.	.
39142	1613	1	It	-PRON-	PRP
39142	1613	2	is	be	VBZ
39142	1613	3	the	the	DT
39142	1613	4	reflection	reflection	NN
39142	1613	5	of	of	IN
39142	1613	6	sunlight	sunlight	NN
39142	1613	7	from	from	IN
39142	1613	8	this	this	DT
39142	1613	9	perpetually	perpetually	RB
39142	1613	10	cloudy	cloudy	JJ
39142	1613	11	exterior	exterior	NN
39142	1613	12	which	which	WDT
39142	1613	13	gives	give	VBZ
39142	1613	14	Venus	Venus	NNP
39142	1613	15	her	-PRON-	PRP$
39142	1613	16	singular	singular	JJ
39142	1613	17	radiance	radiance	NN
39142	1613	18	.	.	.
39142	1614	1	So	so	CC
39142	1614	2	brilliant	brilliant	JJ
39142	1614	3	is	be	VBZ
39142	1614	4	she	-PRON-	PRP
39142	1614	5	that	that	IN
39142	1614	6	even	even	RB
39142	1614	7	full	full	JJ
39142	1614	8	daylight	daylight	NN
39142	1614	9	is	be	VBZ
39142	1614	10	not	not	RB
39142	1614	11	strong	strong	JJ
39142	1614	12	enough	enough	RB
39142	1614	13	to	to	TO
39142	1614	14	overpower	overpower	VB
39142	1614	15	her	-PRON-	PRP$
39142	1614	16	rays	ray	NNS
39142	1614	17	;	;	:
39142	1614	18	and	and	CC
39142	1614	19	she	-PRON-	PRP
39142	1614	20	may	may	MD
39142	1614	21	often	often	RB
39142	1614	22	be	be	VB
39142	1614	23	seen	see	VBN
39142	1614	24	glistening	glisten	VBG
39142	1614	25	in	in	IN
39142	1614	26	the	the	DT
39142	1614	27	clear	clear	JJ
39142	1614	28	blue	blue	JJ
39142	1614	29	daytime	daytime	JJ
39142	1614	30	sky	sky	NN
39142	1614	31	,	,	,
39142	1614	32	if	if	IN
39142	1614	33	one	one	PRP
39142	1614	34	knows	know	VBZ
39142	1614	35	pretty	pretty	RB
39142	1614	36	nearly	nearly	RB
39142	1614	37	in	in	IN
39142	1614	38	what	what	WDT
39142	1614	39	direction	direction	NN
39142	1614	40	to	to	TO
39142	1614	41	look	look	VB
39142	1614	42	for	for	IN
39142	1614	43	her	-PRON-	PRP
39142	1614	44	.	.	.
39142	1615	1	Venus	Venus	NNP
39142	1615	2	is	be	VBZ
39142	1615	3	67	67	CD
39142	1615	4	million	million	CD
39142	1615	5	miles	mile	NNS
39142	1615	6	from	from	IN
39142	1615	7	the	the	DT
39142	1615	8	sun	sun	NN
39142	1615	9	,	,	,
39142	1615	10	and	and	CC
39142	1615	11	as	as	IN
39142	1615	12	our	-PRON-	PRP$
39142	1615	13	own	own	JJ
39142	1615	14	distance	distance	NN
39142	1615	15	is	be	VBZ
39142	1615	16	93	93	CD
39142	1615	17	million	million	CD
39142	1615	18	miles	mile	NNS
39142	1615	19	,	,	,
39142	1615	20	this	this	DT
39142	1615	21	planet	planet	NN
39142	1615	22	can	can	MD
39142	1615	23	come	come	VB
39142	1615	24	within	within	IN
39142	1615	25	26	26	CD
39142	1615	26	million	million	CD
39142	1615	27	miles	mile	NNS
39142	1615	28	of	of	IN
39142	1615	29	the	the	DT
39142	1615	30	earth	earth	NN
39142	1615	31	.	.	.
39142	1616	1	It	-PRON-	PRP
39142	1616	2	is	be	VBZ
39142	1616	3	therefore	therefore	RB
39142	1616	4	at	at	IN
39142	1616	5	times	time	NNS
39142	1616	6	our	-PRON-	PRP$
39142	1616	7	nearest	near	JJS
39142	1616	8	known	know	VBN
39142	1616	9	neighbor	neighbor	NN
39142	1616	10	in	in	IN
39142	1616	11	space	space	NN
39142	1616	12	,	,	,
39142	1616	13	excepting	except	VBG
39142	1616	14	only	only	RB
39142	1616	15	the	the	DT
39142	1616	16	Moon	Moon	NNP
39142	1616	17	and	and	CC
39142	1616	18	Eros	Eros	NNP
39142	1616	19	,	,	,
39142	1616	20	one	one	CD
39142	1616	21	of	of	IN
39142	1616	22	the	the	DT
39142	1616	23	erratic	erratic	JJ
39142	1616	24	little	little	JJ
39142	1616	25	planets	planet	NNS
39142	1616	26	that	that	WDT
39142	1616	27	travel	travel	VBP
39142	1616	28	round	round	IN
39142	1616	29	the	the	DT
39142	1616	30	sun	sun	NN
39142	1616	31	between	between	IN
39142	1616	32	Mars	Mars	NNP
39142	1616	33	and	and	CC
39142	1616	34	Jupiter	Jupiter	NNP
39142	1616	35	.	.	.
39142	1617	1	Also	also	RB
39142	1617	2	possibly	possibly	RB
39142	1617	3	a	a	DT
39142	1617	4	comet	comet	NN
39142	1617	5	might	may	MD
39142	1617	6	come	come	VB
39142	1617	7	much	much	JJ
39142	1617	8	nearer	nearer	NN
39142	1617	9	.	.	.
39142	1618	1	Astronomers	astronomer	NNS
39142	1618	2	always	always	RB
39142	1618	3	take	take	VBP
39142	1618	4	advantage	advantage	NN
39142	1618	5	of	of	IN
39142	1618	6	this	this	DT
39142	1618	7	nearness	nearness	NN
39142	1618	8	of	of	IN
39142	1618	9	Venus	Venus	NNP
39142	1618	10	to	to	IN
39142	1618	11	us	-PRON-	PRP
39142	1618	12	,	,	,
39142	1618	13	if	if	IN
39142	1618	14	a	a	DT
39142	1618	15	transit	transit	NN
39142	1618	16	across	across	IN
39142	1618	17	the	the	DT
39142	1618	18	sun	sun	NN
39142	1618	19	takes	take	VBZ
39142	1618	20	place	place	NN
39142	1618	21	;	;	:
39142	1618	22	because	because	IN
39142	1618	23	it	-PRON-	PRP
39142	1618	24	affords	afford	VBZ
39142	1618	25	an	an	DT
39142	1618	26	excellent	excellent	JJ
39142	1618	27	method	method	NN
39142	1618	28	of	of	IN
39142	1618	29	finding	find	VBG
39142	1618	30	out	out	RP
39142	1618	31	what	what	WP
39142	1618	32	the	the	DT
39142	1618	33	distance	distance	NN
39142	1618	34	of	of	IN
39142	1618	35	the	the	DT
39142	1618	36	sun	sun	NN
39142	1618	37	is	be	VBZ
39142	1618	38	from	from	IN
39142	1618	39	the	the	DT
39142	1618	40	Earth	Earth	NNP
39142	1618	41	.	.	.
39142	1619	1	A	a	DT
39142	1619	2	pair	pair	NN
39142	1619	3	of	of	IN
39142	1619	4	these	these	DT
39142	1619	5	transits	transit	NNS
39142	1619	6	happens	happen	VBZ
39142	1619	7	about	about	IN
39142	1619	8	once	once	RB
39142	1619	9	a	a	DT
39142	1619	10	century	century	NN
39142	1619	11	,	,	,
39142	1619	12	there	there	EX
39142	1619	13	were	be	VBD
39142	1619	14	transits	transit	NNS
39142	1619	15	in	in	IN
39142	1619	16	1874	1874	CD
39142	1619	17	and	and	CC
39142	1619	18	1882	1882	CD
39142	1619	19	,	,	,
39142	1619	20	and	and	CC
39142	1619	21	the	the	DT
39142	1619	22	next	next	JJ
39142	1619	23	pair	pair	NN
39142	1619	24	occur	occur	VBP
39142	1619	25	in	in	IN
39142	1619	26	2004	2004	CD
39142	1619	27	and	and	CC
39142	1619	28	2012	2012	CD
39142	1619	29	.	.	.
39142	1620	1	In	in	IN
39142	1620	2	actual	actual	JJ
39142	1620	3	size	size	NN
39142	1620	4	,	,	,
39142	1620	5	Venus	Venus	NNP
39142	1620	6	is	be	VBZ
39142	1620	7	almost	almost	RB
39142	1620	8	as	as	RB
39142	1620	9	large	large	JJ
39142	1620	10	a	a	DT
39142	1620	11	planet	planet	NN
39142	1620	12	as	as	IN
39142	1620	13	our	-PRON-	PRP$
39142	1620	14	own	own	JJ
39142	1620	15	,	,	,
39142	1620	16	being	be	VBG
39142	1620	17	7,700	7,700	CD
39142	1620	18	miles	mile	NNS
39142	1620	19	in	in	IN
39142	1620	20	diameter	diameter	NN
39142	1620	21	,	,	,
39142	1620	22	as	as	IN
39142	1620	23	compared	compare	VBN
39142	1620	24	with	with	IN
39142	1620	25	7,920	7,920	CD
39142	1620	26	for	for	IN
39142	1620	27	the	the	DT
39142	1620	28	earth	earth	NN
39142	1620	29	.	.	.
39142	1621	1	Her	-PRON-	PRP$
39142	1621	2	velocity	velocity	NN
39142	1621	3	in	in	IN
39142	1621	4	her	-PRON-	PRP$
39142	1621	5	orbit	orbit	NN
39142	1621	6	is	be	VBZ
39142	1621	7	twenty	twenty	CD
39142	1621	8	-	-	HYPH
39142	1621	9	two	two	CD
39142	1621	10	miles	mile	NNS
39142	1621	11	per	per	IN
39142	1621	12	second	second	NN
39142	1621	13	,	,	,
39142	1621	14	and	and	CC
39142	1621	15	she	-PRON-	PRP
39142	1621	16	travels	travel	VBZ
39142	1621	17	all	all	PDT
39142	1621	18	the	the	DT
39142	1621	19	way	way	NN
39142	1621	20	round	round	IN
39142	1621	21	the	the	DT
39142	1621	22	sun	sun	NN
39142	1621	23	in	in	IN
39142	1621	24	seven	seven	CD
39142	1621	25	and	and	CC
39142	1621	26	one	one	CD
39142	1621	27	half	half	NN
39142	1621	28	months	month	NNS
39142	1621	29	or	or	CC
39142	1621	30	225	225	CD
39142	1621	31	days	day	NNS
39142	1621	32	.	.	.
39142	1622	1	Venus	venus	JJ
39142	1622	2	from	from	IN
39142	1622	3	her	-PRON-	PRP$
39142	1622	4	striking	striking	JJ
39142	1622	5	brilliancy	brilliancy	NN
39142	1622	6	always	always	RB
39142	1622	7	leads	lead	VBZ
39142	1622	8	the	the	DT
39142	1622	9	novice	novice	NN
39142	1622	10	to	to	TO
39142	1622	11	expect	expect	VB
39142	1622	12	to	to	TO
39142	1622	13	see	see	VB
39142	1622	14	great	great	JJ
39142	1622	15	things	thing	NNS
39142	1622	16	on	on	IN
39142	1622	17	applying	apply	VBG
39142	1622	18	the	the	DT
39142	1622	19	telescope	telescope	NN
39142	1622	20	.	.	.
39142	1623	1	But	but	CC
39142	1623	2	aside	aside	RB
39142	1623	3	from	from	IN
39142	1623	4	a	a	DT
39142	1623	5	brilliant	brilliant	JJ
39142	1623	6	disk	disk	NN
39142	1623	7	,	,	,
39142	1623	8	now	now	RB
39142	1623	9	a	a	DT
39142	1623	10	slender	slend	JJR
39142	1623	11	crescent	crescent	NN
39142	1623	12	,	,	,
39142	1623	13	now	now	RB
39142	1623	14	half	half	RB
39142	1623	15	full	full	JJ
39142	1623	16	like	like	IN
39142	1623	17	the	the	DT
39142	1623	18	moon	moon	NN
39142	1623	19	at	at	IN
39142	1623	20	quarter	quarter	NN
39142	1623	21	,	,	,
39142	1623	22	and	and	CC
39142	1623	23	again	again	RB
39142	1623	24	gibbous	gibbous	JJ
39142	1623	25	as	as	IN
39142	1623	26	the	the	DT
39142	1623	27	moon	moon	NN
39142	1623	28	is	be	VBZ
39142	1623	29	between	between	IN
39142	1623	30	quarter	quarter	NN
39142	1623	31	and	and	CC
39142	1623	32	full	full	JJ
39142	1623	33	,	,	,
39142	1623	34	the	the	DT
39142	1623	35	telescope	telescope	NN
39142	1623	36	reveals	reveal	VBZ
39142	1623	37	but	but	CC
39142	1623	38	little	little	JJ
39142	1623	39	.	.	.
39142	1624	1	There	there	EX
39142	1624	2	is	be	VBZ
39142	1624	3	pretty	pretty	RB
39142	1624	4	good	good	JJ
39142	1624	5	evidence	evidence	NN
39142	1624	6	that	that	IN
39142	1624	7	the	the	DT
39142	1624	8	markings	marking	NNS
39142	1624	9	thought	think	VBD
39142	1624	10	to	to	TO
39142	1624	11	have	have	VB
39142	1624	12	been	be	VBN
39142	1624	13	seen	see	VBN
39142	1624	14	on	on	IN
39142	1624	15	the	the	DT
39142	1624	16	planet	planet	NN
39142	1624	17	's	's	POS
39142	1624	18	surface	surface	NN
39142	1624	19	are	be	VBP
39142	1624	20	illusory	illusory	JJ
39142	1624	21	,	,	,
39142	1624	22	and	and	CC
39142	1624	23	so	so	RB
39142	1624	24	it	-PRON-	PRP
39142	1624	25	is	be	VBZ
39142	1624	26	wholly	wholly	RB
39142	1624	27	uncertain	uncertain	JJ
39142	1624	28	in	in	IN
39142	1624	29	what	what	WDT
39142	1624	30	direction	direction	NN
39142	1624	31	the	the	DT
39142	1624	32	planet	planet	NN
39142	1624	33	's	's	POS
39142	1624	34	axis	axis	NN
39142	1624	35	lies	lie	VBZ
39142	1624	36	;	;	:
39142	1624	37	also	also	RB
39142	1624	38	there	there	EX
39142	1624	39	is	be	VBZ
39142	1624	40	great	great	JJ
39142	1624	41	uncertainty	uncertainty	NN
39142	1624	42	about	about	IN
39142	1624	43	the	the	DT
39142	1624	44	length	length	NN
39142	1624	45	of	of	IN
39142	1624	46	the	the	DT
39142	1624	47	day	day	NN
39142	1624	48	on	on	IN
39142	1624	49	Venus	Venus	NNP
39142	1624	50	,	,	,
39142	1624	51	or	or	CC
39142	1624	52	the	the	DT
39142	1624	53	period	period	NN
39142	1624	54	of	of	IN
39142	1624	55	turning	turn	VBG
39142	1624	56	round	round	NN
39142	1624	57	on	on	IN
39142	1624	58	its	-PRON-	PRP$
39142	1624	59	axis	axis	NN
39142	1624	60	.	.	.
39142	1625	1	Probably	probably	RB
39142	1625	2	it	-PRON-	PRP
39142	1625	3	is	be	VBZ
39142	1625	4	the	the	DT
39142	1625	5	same	same	JJ
39142	1625	6	in	in	IN
39142	1625	7	length	length	NN
39142	1625	8	as	as	IN
39142	1625	9	the	the	DT
39142	1625	10	planet	planet	NN
39142	1625	11	's	's	POS
39142	1625	12	year	year	NN
39142	1625	13	.	.	.
39142	1626	1	Once	once	RB
39142	1626	2	when	when	WRB
39142	1626	3	Venus	Venus	NNP
39142	1626	4	passed	pass	VBD
39142	1626	5	very	very	RB
39142	1626	6	close	close	RB
39142	1626	7	to	to	IN
39142	1626	8	the	the	DT
39142	1626	9	sun	sun	NN
39142	1626	10	,	,	,
39142	1626	11	just	just	RB
39142	1626	12	barely	barely	RB
39142	1626	13	escaping	escape	VBG
39142	1626	14	a	a	DT
39142	1626	15	transit	transit	NN
39142	1626	16	,	,	,
39142	1626	17	Lyman	Lyman	NNP
39142	1626	18	of	of	IN
39142	1626	19	Yale	Yale	NNP
39142	1626	20	University	University	NNP
39142	1626	21	caught	catch	VBD
39142	1626	22	sight	sight	NN
39142	1626	23	of	of	IN
39142	1626	24	it	-PRON-	PRP
39142	1626	25	by	by	IN
39142	1626	26	hiding	hide	VBG
39142	1626	27	the	the	DT
39142	1626	28	sun	sun	NN
39142	1626	29	behind	behind	IN
39142	1626	30	a	a	DT
39142	1626	31	tall	tall	JJ
39142	1626	32	building	building	NN
39142	1626	33	or	or	CC
39142	1626	34	church	church	NN
39142	1626	35	spire	spire	NN
39142	1626	36	.	.	.
39142	1627	1	The	the	DT
39142	1627	2	dark	dark	JJ
39142	1627	3	side	side	NN
39142	1627	4	of	of	IN
39142	1627	5	Venus	Venus	NNP
39142	1627	6	was	be	VBD
39142	1627	7	turned	turn	VBN
39142	1627	8	toward	toward	IN
39142	1627	9	us	-PRON-	PRP
39142	1627	10	and	and	CC
39142	1627	11	he	-PRON-	PRP
39142	1627	12	could	could	MD
39142	1627	13	not	not	RB
39142	1627	14	of	of	RB
39142	1627	15	course	course	NN
39142	1627	16	see	see	VB
39142	1627	17	that	that	DT
39142	1627	18	.	.	.
39142	1628	1	But	but	CC
39142	1628	2	the	the	DT
39142	1628	3	planet	planet	NN
39142	1628	4	was	be	VBD
39142	1628	5	clearly	clearly	RB
39142	1628	6	there	there	RB
39142	1628	7	,	,	,
39142	1628	8	completely	completely	RB
39142	1628	9	encircled	encircle	VBN
39142	1628	10	by	by	IN
39142	1628	11	a	a	DT
39142	1628	12	narrow	narrow	JJ
39142	1628	13	delicate	delicate	JJ
39142	1628	14	luminous	luminous	JJ
39142	1628	15	ring	ring	NN
39142	1628	16	,	,	,
39142	1628	17	which	which	WDT
39142	1628	18	was	be	VBD
39142	1628	19	due	due	JJ
39142	1628	20	to	to	IN
39142	1628	21	sunlight	sunlight	NN
39142	1628	22	shining	shine	VBG
39142	1628	23	through	through	IN
39142	1628	24	the	the	DT
39142	1628	25	atmosphere	atmosphere	NN
39142	1628	26	that	that	WDT
39142	1628	27	surrounds	surround	VBZ
39142	1628	28	the	the	DT
39142	1628	29	planet	planet	NN
39142	1628	30	.	.	.
39142	1629	1	Similar	similar	JJ
39142	1629	2	ring	ring	NN
39142	1629	3	effects	effect	NNS
39142	1629	4	were	be	VBD
39142	1629	5	seen	see	VBN
39142	1629	6	by	by	IN
39142	1629	7	observers	observer	NNS
39142	1629	8	of	of	IN
39142	1629	9	the	the	DT
39142	1629	10	transits	transit	NNS
39142	1629	11	of	of	IN
39142	1629	12	Venus	Venus	NNP
39142	1629	13	in	in	IN
39142	1629	14	1874	1874	CD
39142	1629	15	and	and	CC
39142	1629	16	1882	1882	CD
39142	1629	17	;	;	:
39142	1629	18	and	and	CC
39142	1629	19	from	from	IN
39142	1629	20	all	all	PDT
39142	1629	21	their	-PRON-	PRP$
39142	1629	22	observations	observation	NNS
39142	1629	23	it	-PRON-	PRP
39142	1629	24	is	be	VBZ
39142	1629	25	concluded	conclude	VBN
39142	1629	26	that	that	IN
39142	1629	27	Venus	Venus	NNP
39142	1629	28	has	have	VBZ
39142	1629	29	an	an	DT
39142	1629	30	atmosphere	atmosphere	NN
39142	1629	31	probably	probably	RB
39142	1629	32	at	at	RB
39142	1629	33	least	least	RBS
39142	1629	34	twice	twice	RB
39142	1629	35	as	as	RB
39142	1629	36	dense	dense	JJ
39142	1629	37	and	and	CC
39142	1629	38	extensive	extensive	JJ
39142	1629	39	as	as	IN
39142	1629	40	that	that	DT
39142	1629	41	which	which	WDT
39142	1629	42	encircles	encircle	VBZ
39142	1629	43	the	the	DT
39142	1629	44	earth	earth	NN
39142	1629	45	.	.	.
39142	1630	1	Spurious	spurious	JJ
39142	1630	2	satellites	satellite	NNS
39142	1630	3	of	of	IN
39142	1630	4	Venus	Venus	NNP
39142	1630	5	are	be	VBP
39142	1630	6	many	many	JJ
39142	1630	7	,	,	,
39142	1630	8	but	but	CC
39142	1630	9	no	no	DT
39142	1630	10	real	real	JJ
39142	1630	11	moon	moon	NN
39142	1630	12	is	be	VBZ
39142	1630	13	known	know	VBN
39142	1630	14	to	to	TO
39142	1630	15	attend	attend	VB
39142	1630	16	this	this	DT
39142	1630	17	planet	planet	NN
39142	1630	18	.	.	.
39142	1631	1	[	[	-LRB-
39142	1631	2	Illustration	illustration	NN
39142	1631	3	:	:	:
39142	1631	4	THE	the	DT
39142	1631	5	SURFACE	surface	NN
39142	1631	6	OF	of	IN
39142	1631	7	THE	the	DT
39142	1631	8	MOON	moon	NN
39142	1631	9	IN	in	IN
39142	1631	10	THE	the	DT
39142	1631	11	REGION	region	NN
39142	1631	12	OF	of	IN
39142	1631	13	COPERNICUS	COPERNICUS	NNP
39142	1631	14	.	.	.
39142	1632	1	Photograph	Photograph	NNP
39142	1632	2	made	make	VBN
39142	1632	3	with	with	IN
39142	1632	4	the	the	DT
39142	1632	5	Hooker	Hooker	NNP
39142	1632	6	100-inch	100-inch	CD
39142	1632	7	reflecting	reflect	VBG
39142	1632	8	telescope	telescope	NN
39142	1632	9	.	.	.
39142	1633	1	(	(	-LRB-
39142	1633	2	_	_	NNP
39142	1633	3	Photo	Photo	NNP
39142	1633	4	,	,	,
39142	1633	5	Mt.	Mount	NNP
39142	1634	1	Wilson	Wilson	NNP
39142	1634	2	Solar	Solar	NNP
39142	1634	3	Observatory	Observatory	NNP
39142	1634	4	.	.	.
39142	1634	5	_	_	NNP
39142	1634	6	)	)	-RRB-
39142	1634	7	]	]	-RRB-
39142	1634	8	[	[	-LRB-
39142	1634	9	Illustration	illustration	NN
39142	1634	10	:	:	:
39142	1634	11	A	a	DT
39142	1634	12	VIEW	view	NN
39142	1634	13	OF	of	IN
39142	1634	14	THE	the	DT
39142	1634	15	SOUTH	south	JJ
39142	1634	16	CENTRAL	central	NN
39142	1634	17	PORTION	portion	NN
39142	1634	18	OF	of	IN
39142	1634	19	THE	the	DT
39142	1634	20	MOON	MOON	NNP
39142	1634	21	AT	AT	NNP
39142	1634	22	LAST	last	NN
39142	1634	23	QUARTER	quarter	NN
39142	1634	24	.	.	.
39142	1635	1	(	(	-LRB-
39142	1635	2	_	_	NNP
39142	1635	3	Photo	Photo	NNP
39142	1635	4	,	,	,
39142	1635	5	Mt.	Mount	NNP
39142	1636	1	Wilson	Wilson	NNP
39142	1636	2	Solar	Solar	NNP
39142	1636	3	Observatory	Observatory	NNP
39142	1636	4	.	.	.
39142	1636	5	_	_	NNP
39142	1636	6	)	)	-RRB-
39142	1636	7	]	]	-RRB-
39142	1636	8	CHAPTER	chapter	NN
39142	1636	9	XXVIII	XXVIII	NNP
39142	1636	10	THE	the	DT
39142	1636	11	MOON	moon	NN
39142	1636	12	AND	and	CC
39142	1636	13	HER	her	PRP$
39142	1636	14	SURFACE	surface	NN
39142	1636	15	As	as	IN
39142	1636	16	the	the	DT
39142	1636	17	sun	sun	NN
39142	1636	18	has	have	VBZ
39142	1636	19	always	always	RB
39142	1636	20	reigned	reign	VBN
39142	1636	21	as	as	IN
39142	1636	22	king	king	NN
39142	1636	23	of	of	IN
39142	1636	24	day	day	NN
39142	1636	25	,	,	,
39142	1636	26	so	so	RB
39142	1636	27	is	be	VBZ
39142	1636	28	the	the	DT
39142	1636	29	moon	moon	NN
39142	1636	30	queen	queen	NN
39142	1636	31	of	of	IN
39142	1636	32	night	night	NN
39142	1636	33	.	.	.
39142	1637	1	Observation	observation	NN
39142	1637	2	of	of	IN
39142	1637	3	her	-PRON-	PRP$
39142	1637	4	phases	phase	NNS
39142	1637	5	,	,	,
39142	1637	6	now	now	RB
39142	1637	7	waxing	wax	VBG
39142	1637	8	,	,	,
39142	1637	9	now	now	RB
39142	1637	10	waning	wane	VBG
39142	1637	11	,	,	,
39142	1637	12	with	with	IN
39142	1637	13	her	-PRON-	PRP$
39142	1637	14	stately	stately	JJ
39142	1637	15	motion	motion	NN
39142	1637	16	always	always	RB
39142	1637	17	eastward	eastward	RB
39142	1637	18	among	among	IN
39142	1637	19	the	the	DT
39142	1637	20	stars	star	NNS
39142	1637	21	,	,	,
39142	1637	22	began	begin	VBD
39142	1637	23	with	with	IN
39142	1637	24	the	the	DT
39142	1637	25	earliest	early	JJS
39142	1637	26	ages	age	NNS
39142	1637	27	.	.	.
39142	1638	1	Often	often	RB
39142	1638	2	when	when	WRB
39142	1638	3	near	near	IN
39142	1638	4	the	the	DT
39142	1638	5	full	full	JJ
39142	1638	6	she	-PRON-	PRP
39142	1638	7	must	must	MD
39142	1638	8	have	have	VB
39142	1638	9	been	be	VBN
39142	1638	10	seen	see	VBN
39142	1638	11	herself	-PRON-	PRP
39142	1638	12	eclipsed	eclipse	VBN
39142	1638	13	,	,	,
39142	1638	14	and	and	CC
39142	1638	15	much	much	RB
39142	1638	16	more	more	RBR
39142	1638	17	rarely	rarely	RB
39142	1638	18	the	the	DT
39142	1638	19	occurrence	occurrence	NN
39142	1638	20	of	of	IN
39142	1638	21	total	total	JJ
39142	1638	22	eclipses	eclipse	NNS
39142	1638	23	of	of	IN
39142	1638	24	the	the	DT
39142	1638	25	sun	sun	NN
39142	1638	26	are	be	VBP
39142	1638	27	certain	certain	JJ
39142	1638	28	to	to	TO
39142	1638	29	have	have	VB
39142	1638	30	suggested	suggest	VBN
39142	1638	31	the	the	DT
39142	1638	32	moon	moon	NN
39142	1638	33	's	's	POS
39142	1638	34	intervention	intervention	NN
39142	1638	35	between	between	IN
39142	1638	36	earth	earth	NN
39142	1638	37	and	and	CC
39142	1638	38	sun	sun	NN
39142	1638	39	,	,	,
39142	1638	40	shutting	shut	VBG
39142	1638	41	off	off	RP
39142	1638	42	the	the	DT
39142	1638	43	sunlight	sunlight	NN
39142	1638	44	completely	completely	RB
39142	1638	45	,	,	,
39142	1638	46	because	because	IN
39142	1638	47	these	these	DT
39142	1638	48	eclipses	eclipse	NNS
39142	1638	49	never	never	RB
39142	1638	50	took	take	VBD
39142	1638	51	place	place	NN
39142	1638	52	except	except	IN
39142	1638	53	when	when	WRB
39142	1638	54	the	the	DT
39142	1638	55	moon	moon	NN
39142	1638	56	was	be	VBD
39142	1638	57	in	in	IN
39142	1638	58	the	the	DT
39142	1638	59	same	same	JJ
39142	1638	60	part	part	NN
39142	1638	61	of	of	IN
39142	1638	62	the	the	DT
39142	1638	63	sky	sky	NN
39142	1638	64	with	with	IN
39142	1638	65	the	the	DT
39142	1638	66	sun	sun	NN
39142	1638	67	.	.	.
39142	1639	1	If	if	IN
39142	1639	2	we	-PRON-	PRP
39142	1639	3	watch	watch	VBP
39142	1639	4	the	the	DT
39142	1639	5	nightly	nightly	JJ
39142	1639	6	march	march	NNP
39142	1639	7	of	of	IN
39142	1639	8	the	the	DT
39142	1639	9	moon	moon	NN
39142	1639	10	,	,	,
39142	1639	11	we	-PRON-	PRP
39142	1639	12	shall	shall	MD
39142	1639	13	find	find	VB
39142	1639	14	that	that	IN
39142	1639	15	she	-PRON-	PRP
39142	1639	16	travels	travel	VBZ
39142	1639	17	over	over	IN
39142	1639	18	her	-PRON-	PRP$
39142	1639	19	own	own	JJ
39142	1639	20	breadth	breadth	NN
39142	1639	21	in	in	IN
39142	1639	22	about	about	RB
39142	1639	23	an	an	DT
39142	1639	24	hour	hour	NN
39142	1639	25	's	's	POS
39142	1639	26	time	time	NN
39142	1639	27	.	.	.
39142	1640	1	By	by	IN
39142	1640	2	using	use	VBG
39142	1640	3	a	a	DT
39142	1640	4	telescope	telescope	NN
39142	1640	5	on	on	IN
39142	1640	6	the	the	DT
39142	1640	7	stars	star	NNS
39142	1640	8	just	just	RB
39142	1640	9	eastward	eastward	RB
39142	1640	10	or	or	CC
39142	1640	11	to	to	IN
39142	1640	12	the	the	DT
39142	1640	13	left	left	NN
39142	1640	14	of	of	IN
39142	1640	15	her	-PRON-	PRP
39142	1640	16	,	,	,
39142	1640	17	she	-PRON-	PRP
39142	1640	18	will	will	MD
39142	1640	19	now	now	RB
39142	1640	20	and	and	CC
39142	1640	21	then	then	RB
39142	1640	22	be	be	VB
39142	1640	23	seen	see	VBN
39142	1640	24	to	to	TO
39142	1640	25	pass	pass	VB
39142	1640	26	between	between	IN
39142	1640	27	us	-PRON-	PRP
39142	1640	28	and	and	CC
39142	1640	29	a	a	DT
39142	1640	30	star	star	NN
39142	1640	31	--	--	:
39142	1640	32	on	on	IN
39142	1640	33	very	very	RB
39142	1640	34	rare	rare	JJ
39142	1640	35	occasions	occasion	NNS
39142	1640	36	a	a	DT
39142	1640	37	planet	planet	NN
39142	1640	38	--	--	:
39142	1640	39	extinguishing	extinguish	VBG
39142	1640	40	its	-PRON-	PRP$
39142	1640	41	light	light	NN
39142	1640	42	with	with	IN
39142	1640	43	great	great	JJ
39142	1640	44	suddenness	suddenness	NN
39142	1640	45	,	,	,
39142	1640	46	the	the	DT
39142	1640	47	most	most	RBS
39142	1640	48	nearly	nearly	RB
39142	1640	49	instantaneous	instantaneous	JJ
39142	1640	50	of	of	IN
39142	1640	51	all	all	DT
39142	1640	52	phenomena	phenomenon	NNS
39142	1640	53	in	in	IN
39142	1640	54	nature	nature	NN
39142	1640	55	.	.	.
39142	1641	1	Draw	draw	VB
39142	1641	2	a	a	DT
39142	1641	3	line	line	NN
39142	1641	4	connecting	connect	VBG
39142	1641	5	the	the	DT
39142	1641	6	cusps	cusp	NNS
39142	1641	7	,	,	,
39142	1641	8	or	or	CC
39142	1641	9	horns	horn	NNS
39142	1641	10	of	of	IN
39142	1641	11	the	the	DT
39142	1641	12	lunar	lunar	JJ
39142	1641	13	crescent	crescent	NN
39142	1641	14	,	,	,
39142	1641	15	and	and	CC
39142	1641	16	then	then	RB
39142	1641	17	a	a	DT
39142	1641	18	line	line	NN
39142	1641	19	eastward	eastward	RB
39142	1641	20	at	at	IN
39142	1641	21	right	right	JJ
39142	1641	22	angles	angle	NNS
39142	1641	23	to	to	IN
39142	1641	24	this	this	DT
39142	1641	25	,	,	,
39142	1641	26	and	and	CC
39142	1641	27	it	-PRON-	PRP
39142	1641	28	will	will	MD
39142	1641	29	show	show	VB
39142	1641	30	the	the	DT
39142	1641	31	direction	direction	NN
39142	1641	32	of	of	IN
39142	1641	33	the	the	DT
39142	1641	34	moon	moon	NN
39142	1641	35	's	's	POS
39142	1641	36	own	own	JJ
39142	1641	37	motion	motion	NN
39142	1641	38	in	in	IN
39142	1641	39	its	-PRON-	PRP$
39142	1641	40	orbit	orbit	NN
39142	1641	41	round	round	IN
39142	1641	42	the	the	DT
39142	1641	43	earth	earth	NN
39142	1641	44	quite	quite	RB
39142	1641	45	accurately	accurately	RB
39142	1641	46	.	.	.
39142	1642	1	As	as	IN
39142	1642	2	the	the	DT
39142	1642	3	phase	phase	NN
39142	1642	4	advances	advance	VBZ
39142	1642	5	,	,	,
39142	1642	6	note	note	VB
39142	1642	7	the	the	DT
39142	1642	8	inside	inside	JJ
39142	1642	9	edge	edge	NN
39142	1642	10	of	of	IN
39142	1642	11	the	the	DT
39142	1642	12	advancing	advance	VBG
39142	1642	13	crescent	crescent	NN
39142	1642	14	:	:	:
39142	1642	15	this	this	DT
39142	1642	16	will	will	MD
39142	1642	17	be	be	VB
39142	1642	18	quite	quite	RB
39142	1642	19	rough	rough	JJ
39142	1642	20	and	and	CC
39142	1642	21	jagged	jagged	JJ
39142	1642	22	,	,	,
39142	1642	23	compared	compare	VBN
39142	1642	24	to	to	IN
39142	1642	25	the	the	DT
39142	1642	26	outside	outside	JJ
39142	1642	27	edge	edge	NN
39142	1642	28	which	which	WDT
39142	1642	29	is	be	VBZ
39142	1642	30	the	the	DT
39142	1642	31	moon	moon	NN
39142	1642	32	's	's	POS
39142	1642	33	real	real	JJ
39142	1642	34	contour	contour	NN
39142	1642	35	and	and	CC
39142	1642	36	relatively	relatively	RB
39142	1642	37	very	very	RB
39142	1642	38	smooth	smooth	JJ
39142	1642	39	.	.	.
39142	1643	1	The	the	DT
39142	1643	2	position	position	NN
39142	1643	3	of	of	IN
39142	1643	4	the	the	DT
39142	1643	5	inside	inside	JJ
39142	1643	6	curve	curve	NN
39142	1643	7	will	will	MD
39142	1643	8	change	change	VB
39142	1643	9	from	from	IN
39142	1643	10	night	night	NN
39142	1643	11	to	to	IN
39142	1643	12	night	night	NN
39142	1643	13	,	,	,
39142	1643	14	and	and	CC
39142	1643	15	it	-PRON-	PRP
39142	1643	16	marks	mark	VBZ
39142	1643	17	the	the	DT
39142	1643	18	line	line	NN
39142	1643	19	of	of	IN
39142	1643	20	sunrise	sunrise	NN
39142	1643	21	on	on	IN
39142	1643	22	the	the	DT
39142	1643	23	moon	moon	NN
39142	1643	24	during	during	IN
39142	1643	25	the	the	DT
39142	1643	26	fortnight	fortnight	NN
39142	1643	27	elapsing	elapsing	NN
39142	1643	28	between	between	IN
39142	1643	29	new	new	JJ
39142	1643	30	moon	moon	NN
39142	1643	31	and	and	CC
39142	1643	32	full	full	JJ
39142	1643	33	;	;	:
39142	1643	34	while	while	IN
39142	1643	35	from	from	IN
39142	1643	36	full	full	JJ
39142	1643	37	through	through	IN
39142	1643	38	last	last	JJ
39142	1643	39	quarter	quarter	NN
39142	1643	40	and	and	CC
39142	1643	41	back	back	RB
39142	1643	42	to	to	IN
39142	1643	43	new	new	JJ
39142	1643	44	moon	moon	NN
39142	1643	45	,	,	,
39142	1643	46	this	this	DT
39142	1643	47	advancing	advance	VBG
39142	1643	48	line	line	NN
39142	1643	49	marks	mark	VBZ
39142	1643	50	the	the	DT
39142	1643	51	region	region	NN
39142	1643	52	of	of	IN
39142	1643	53	sunset	sunset	NN
39142	1643	54	on	on	IN
39142	1643	55	the	the	DT
39142	1643	56	moon	moon	NN
39142	1643	57	.	.	.
39142	1644	1	The	the	DT
39142	1644	2	general	general	JJ
39142	1644	3	shape	shape	NN
39142	1644	4	of	of	IN
39142	1644	5	this	this	DT
39142	1644	6	line	line	NN
39142	1644	7	is	be	VBZ
39142	1644	8	never	never	RB
39142	1644	9	a	a	DT
39142	1644	10	circle	circle	NN
39142	1644	11	but	but	CC
39142	1644	12	always	always	RB
39142	1644	13	elliptical	elliptical	JJ
39142	1644	14	,	,	,
39142	1644	15	and	and	CC
39142	1644	16	astronomers	astronomer	NNS
39142	1644	17	call	call	VBP
39142	1644	18	it	-PRON-	PRP
39142	1644	19	the	the	DT
39142	1644	20	terminator	terminator	NN
39142	1644	21	.	.	.
39142	1645	1	All	all	DT
39142	1645	2	along	along	IN
39142	1645	3	the	the	DT
39142	1645	4	terminator	terminator	NN
39142	1645	5	,	,	,
39142	1645	6	sunlight	sunlight	NN
39142	1645	7	strikes	strike	VBZ
39142	1645	8	the	the	DT
39142	1645	9	lunar	lunar	JJ
39142	1645	10	surface	surface	NN
39142	1645	11	at	at	IN
39142	1645	12	a	a	DT
39142	1645	13	small	small	JJ
39142	1645	14	angle	angle	NN
39142	1645	15	,	,	,
39142	1645	16	whether	whether	IN
39142	1645	17	near	near	JJ
39142	1645	18	sunrise	sunrise	NN
39142	1645	19	or	or	CC
39142	1645	20	sunset	sunset	NN
39142	1645	21	;	;	:
39142	1645	22	so	so	IN
39142	1645	23	that	that	IN
39142	1645	24	owing	owe	VBG
39142	1645	25	to	to	IN
39142	1645	26	the	the	DT
39142	1645	27	mountains	mountain	NNS
39142	1645	28	and	and	CC
39142	1645	29	other	other	JJ
39142	1645	30	high	high	JJ
39142	1645	31	masses	masse	NNS
39142	1645	32	of	of	IN
39142	1645	33	the	the	DT
39142	1645	34	moon	moon	NN
39142	1645	35	's	's	POS
39142	1645	36	surface	surface	NN
39142	1645	37	,	,	,
39142	1645	38	the	the	DT
39142	1645	39	terminator	terminator	NN
39142	1645	40	is	be	VBZ
39142	1645	41	always	always	RB
39142	1645	42	a	a	DT
39142	1645	43	more	more	RBR
39142	1645	44	or	or	CC
39142	1645	45	less	less	RBR
39142	1645	46	jagged	jagged	JJ
39142	1645	47	and	and	CC
39142	1645	48	irregular	irregular	JJ
39142	1645	49	line	line	NN
39142	1645	50	.	.	.
39142	1646	1	Onward	onward	RB
39142	1646	2	from	from	IN
39142	1646	3	new	new	JJ
39142	1646	4	moon	moon	NN
39142	1646	5	toward	toward	IN
39142	1646	6	full	full	JJ
39142	1646	7	the	the	DT
39142	1646	8	horns	horn	NNS
39142	1646	9	of	of	IN
39142	1646	10	the	the	DT
39142	1646	11	crescent	crescent	NN
39142	1646	12	are	be	VBP
39142	1646	13	always	always	RB
39142	1646	14	turned	turn	VBN
39142	1646	15	upward	upward	RB
39142	1646	16	or	or	CC
39142	1646	17	eastward	eastward	RB
39142	1646	18	.	.	.
39142	1647	1	When	when	WRB
39142	1647	2	the	the	DT
39142	1647	3	general	general	JJ
39142	1647	4	line	line	NN
39142	1647	5	of	of	IN
39142	1647	6	the	the	DT
39142	1647	7	terminator	terminator	NN
39142	1647	8	becomes	become	VBZ
39142	1647	9	a	a	DT
39142	1647	10	straight	straight	JJ
39142	1647	11	line	line	NN
39142	1647	12	from	from	IN
39142	1647	13	cusp	cusp	NN
39142	1647	14	to	to	IN
39142	1647	15	cusp	cusp	NN
39142	1647	16	,	,	,
39142	1647	17	the	the	DT
39142	1647	18	moon	moon	NN
39142	1647	19	is	be	VBZ
39142	1647	20	said	say	VBN
39142	1647	21	to	to	TO
39142	1647	22	have	have	VB
39142	1647	23	reached	reach	VBN
39142	1647	24	first	first	JJ
39142	1647	25	quarter	quarter	NN
39142	1647	26	or	or	CC
39142	1647	27	quadrature	quadrature	NN
39142	1647	28	.	.	.
39142	1648	1	Onward	onward	RB
39142	1648	2	toward	toward	IN
39142	1648	3	full	full	JJ
39142	1648	4	the	the	DT
39142	1648	5	terminator	terminator	NN
39142	1648	6	will	will	MD
39142	1648	7	be	be	VB
39142	1648	8	seen	see	VBN
39142	1648	9	to	to	TO
39142	1648	10	bend	bend	VB
39142	1648	11	the	the	DT
39142	1648	12	other	other	JJ
39142	1648	13	way	way	NN
39142	1648	14	,	,	,
39142	1648	15	and	and	CC
39142	1648	16	in	in	IN
39142	1648	17	about	about	RB
39142	1648	18	a	a	DT
39142	1648	19	week	week	NN
39142	1648	20	's	's	POS
39142	1648	21	time	time	NN
39142	1648	22	it	-PRON-	PRP
39142	1648	23	will	will	MD
39142	1648	24	have	have	VB
39142	1648	25	merged	merge	VBN
39142	1648	26	itself	-PRON-	PRP
39142	1648	27	with	with	IN
39142	1648	28	the	the	DT
39142	1648	29	moon	moon	NN
39142	1648	30	's	's	POS
39142	1648	31	limb	limb	NN
39142	1648	32	.	.	.
39142	1649	1	The	the	DT
39142	1649	2	moon	moon	NN
39142	1649	3	is	be	VBZ
39142	1649	4	then	then	RB
39142	1649	5	said	say	VBN
39142	1649	6	to	to	TO
39142	1649	7	be	be	VB
39142	1649	8	full	full	JJ
39142	1649	9	.	.	.
39142	1650	1	Afterward	afterward	RB
39142	1650	2	the	the	DT
39142	1650	3	phase	phase	NN
39142	1650	4	phenomena	phenomena	VBZ
39142	1650	5	recur	recur	NN
39142	1650	6	in	in	IN
39142	1650	7	the	the	DT
39142	1650	8	reverse	reverse	JJ
39142	1650	9	order	order	NN
39142	1650	10	,	,	,
39142	1650	11	with	with	IN
39142	1650	12	third	third	JJ
39142	1650	13	quarter	quarter	NN
39142	1650	14	midway	midway	NN
39142	1650	15	between	between	IN
39142	1650	16	full	full	JJ
39142	1650	17	and	and	CC
39142	1650	18	new	new	JJ
39142	1650	19	moon	moon	NN
39142	1650	20	again	again	RB
39142	1650	21	;	;	:
39142	1650	22	the	the	DT
39142	1650	23	phase	phase	NN
39142	1650	24	of	of	IN
39142	1650	25	the	the	DT
39142	1650	26	moon	moon	NN
39142	1650	27	being	be	VBG
39142	1650	28	called	call	VBN
39142	1650	29	gibbous	gibbous	JJ
39142	1650	30	all	all	PDT
39142	1650	31	the	the	DT
39142	1650	32	way	way	NN
39142	1650	33	from	from	IN
39142	1650	34	first	first	JJ
39142	1650	35	quarter	quarter	NN
39142	1650	36	to	to	IN
39142	1650	37	third	third	JJ
39142	1650	38	quarter	quarter	NN
39142	1650	39	,	,	,
39142	1650	40	except	except	IN
39142	1650	41	when	when	WRB
39142	1650	42	exactly	exactly	RB
39142	1650	43	full	full	JJ
39142	1650	44	.	.	.
39142	1651	1	As	as	IN
39142	1651	2	we	-PRON-	PRP
39142	1651	3	know	know	VBP
39142	1651	4	that	that	IN
39142	1651	5	the	the	DT
39142	1651	6	moon	moon	NN
39142	1651	7	is	be	VBZ
39142	1651	8	,	,	,
39142	1651	9	like	like	IN
39142	1651	10	the	the	DT
39142	1651	11	earth	earth	NN
39142	1651	12	,	,	,
39142	1651	13	a	a	DT
39142	1651	14	nonluminous	nonluminous	JJ
39142	1651	15	body	body	NN
39142	1651	16	,	,	,
39142	1651	17	and	and	CC
39142	1651	18	shines	shine	VBZ
39142	1651	19	only	only	RB
39142	1651	20	by	by	IN
39142	1651	21	virtue	virtue	NN
39142	1651	22	of	of	IN
39142	1651	23	the	the	DT
39142	1651	24	sunlight	sunlight	NN
39142	1651	25	falling	fall	VBG
39142	1651	26	upon	upon	IN
39142	1651	27	it	-PRON-	PRP
39142	1651	28	,	,	,
39142	1651	29	clearly	clearly	RB
39142	1651	30	an	an	DT
39142	1651	31	entire	entire	JJ
39142	1651	32	half	half	NN
39142	1651	33	of	of	IN
39142	1651	34	the	the	DT
39142	1651	35	moon	moon	NN
39142	1651	36	's	's	POS
39142	1651	37	globe	globe	NN
39142	1651	38	must	must	MD
39142	1651	39	be	be	VB
39142	1651	40	perpetually	perpetually	RB
39142	1651	41	illumined	illumine	VBN
39142	1651	42	by	by	IN
39142	1651	43	sunlight	sunlight	NN
39142	1651	44	.	.	.
39142	1652	1	The	the	DT
39142	1652	2	varying	varying	NN
39142	1652	3	phases	phase	NNS
39142	1652	4	then	then	RB
39142	1652	5	are	be	VBP
39142	1652	6	due	due	JJ
39142	1652	7	simply	simply	RB
39142	1652	8	to	to	IN
39142	1652	9	that	that	DT
39142	1652	10	part	part	NN
39142	1652	11	of	of	IN
39142	1652	12	the	the	DT
39142	1652	13	illuminated	illuminate	VBN
39142	1652	14	hemisphere	hemisphere	NN
39142	1652	15	which	which	WDT
39142	1652	16	is	be	VBZ
39142	1652	17	turned	turn	VBN
39142	1652	18	toward	toward	IN
39142	1652	19	us	-PRON-	PRP
39142	1652	20	.	.	.
39142	1653	1	New	new	JJ
39142	1653	2	moon	moon	NN
39142	1653	3	is	be	VBZ
39142	1653	4	entirely	entirely	RB
39142	1653	5	invisible	invisible	JJ
39142	1653	6	because	because	IN
39142	1653	7	the	the	DT
39142	1653	8	sunward	sunward	NN
39142	1653	9	hemisphere	hemisphere	NN
39142	1653	10	is	be	VBZ
39142	1653	11	turned	turn	VBN
39142	1653	12	wholly	wholly	RB
39142	1653	13	away	away	RB
39142	1653	14	from	from	IN
39142	1653	15	us	-PRON-	PRP
39142	1653	16	,	,	,
39142	1653	17	while	while	IN
39142	1653	18	at	at	IN
39142	1653	19	full	full	JJ
39142	1653	20	moon	moon	NN
39142	1653	21	we	-PRON-	PRP
39142	1653	22	see	see	VBP
39142	1653	23	the	the	DT
39142	1653	24	lunar	lunar	JJ
39142	1653	25	disk	disk	NN
39142	1653	26	complete	complete	JJ
39142	1653	27	because	because	IN
39142	1653	28	we	-PRON-	PRP
39142	1653	29	are	be	VBP
39142	1653	30	on	on	IN
39142	1653	31	the	the	DT
39142	1653	32	same	same	JJ
39142	1653	33	side	side	NN
39142	1653	34	of	of	IN
39142	1653	35	the	the	DT
39142	1653	36	moon	moon	NN
39142	1653	37	that	that	WDT
39142	1653	38	the	the	DT
39142	1653	39	sun	sun	NN
39142	1653	40	is	be	VBZ
39142	1653	41	and	and	CC
39142	1653	42	practically	practically	RB
39142	1653	43	in	in	IN
39142	1653	44	line	line	NN
39142	1653	45	with	with	IN
39142	1653	46	both	both	CC
39142	1653	47	sun	sun	NN
39142	1653	48	and	and	CC
39142	1653	49	moon	moon	NN
39142	1653	50	.	.	.
39142	1654	1	If	if	IN
39142	1654	2	we	-PRON-	PRP
39142	1654	3	could	could	MD
39142	1654	4	visit	visit	VB
39142	1654	5	the	the	DT
39142	1654	6	moon	moon	NN
39142	1654	7	,	,	,
39142	1654	8	we	-PRON-	PRP
39142	1654	9	should	should	MD
39142	1654	10	see	see	VB
39142	1654	11	the	the	DT
39142	1654	12	earth	earth	NN
39142	1654	13	in	in	IN
39142	1654	14	exactly	exactly	RB
39142	1654	15	complementary	complementary	JJ
39142	1654	16	phase	phase	NN
39142	1654	17	.	.	.
39142	1655	1	At	at	IN
39142	1655	2	new	new	JJ
39142	1655	3	moon	moon	NN
39142	1655	4	here	here	RB
39142	1655	5	we	-PRON-	PRP
39142	1655	6	should	should	MD
39142	1655	7	be	be	VB
39142	1655	8	enjoying	enjoy	VBG
39142	1655	9	full	full	JJ
39142	1655	10	earth	earth	NN
39142	1655	11	there	there	RB
39142	1655	12	,	,	,
39142	1655	13	and	and	CC
39142	1655	14	full	full	JJ
39142	1655	15	moon	moon	NN
39142	1655	16	here	here	RB
39142	1655	17	would	would	MD
39142	1655	18	be	be	VB
39142	1655	19	coincident	coincident	JJ
39142	1655	20	with	with	IN
39142	1655	21	new	new	JJ
39142	1655	22	or	or	CC
39142	1655	23	dark	dark	JJ
39142	1655	24	earth	earth	NN
39142	1655	25	there	there	RB
39142	1655	26	.	.	.
39142	1656	1	The	the	DT
39142	1656	2	narrow	narrow	JJ
39142	1656	3	crescent	crescent	NN
39142	1656	4	of	of	IN
39142	1656	5	new	new	JJ
39142	1656	6	moon	moon	NN
39142	1656	7	here	here	RB
39142	1656	8	would	would	MD
39142	1656	9	be	be	VB
39142	1656	10	the	the	DT
39142	1656	11	period	period	NN
39142	1656	12	of	of	IN
39142	1656	13	gibbous	gibbous	JJ
39142	1656	14	earth	earth	NN
39142	1656	15	there	there	RB
39142	1656	16	;	;	:
39142	1656	17	and	and	CC
39142	1656	18	it	-PRON-	PRP
39142	1656	19	is	be	VBZ
39142	1656	20	the	the	DT
39142	1656	21	reflection	reflection	NN
39142	1656	22	of	of	IN
39142	1656	23	sunlight	sunlight	NN
39142	1656	24	from	from	IN
39142	1656	25	this	this	DT
39142	1656	26	gibbous	gibbous	JJ
39142	1656	27	earth	earth	NN
39142	1656	28	which	which	WDT
39142	1656	29	illuminates	illuminate	VBZ
39142	1656	30	the	the	DT
39142	1656	31	part	part	NN
39142	1656	32	of	of	IN
39142	1656	33	the	the	DT
39142	1656	34	moon	moon	NN
39142	1656	35	but	but	CC
39142	1656	36	faintly	faintly	RB
39142	1656	37	seen	see	VBN
39142	1656	38	at	at	IN
39142	1656	39	this	this	DT
39142	1656	40	time	time	NN
39142	1656	41	,	,	,
39142	1656	42	popularly	popularly	RB
39142	1656	43	known	know	VBN
39142	1656	44	as	as	IN
39142	1656	45	the	the	DT
39142	1656	46	"	"	``
39142	1656	47	old	old	JJ
39142	1656	48	moon	moon	NN
39142	1656	49	in	in	IN
39142	1656	50	the	the	DT
39142	1656	51	new	new	JJ
39142	1656	52	moon	moon	NN
39142	1656	53	's	's	POS
39142	1656	54	arms	arm	NNS
39142	1656	55	.	.	.
39142	1656	56	"	"	''
39142	1657	1	Its	-PRON-	PRP$
39142	1657	2	greater	great	JJR
39142	1657	3	visibility	visibility	NN
39142	1657	4	at	at	IN
39142	1657	5	some	some	DT
39142	1657	6	times	time	NNS
39142	1657	7	than	than	IN
39142	1657	8	at	at	IN
39142	1657	9	others	other	NNS
39142	1657	10	is	be	VBZ
39142	1657	11	due	due	JJ
39142	1657	12	to	to	IN
39142	1657	13	greater	great	JJR
39142	1657	14	prevalence	prevalence	NN
39142	1657	15	of	of	IN
39142	1657	16	clouded	clouded	JJ
39142	1657	17	area	area	NN
39142	1657	18	in	in	IN
39142	1657	19	the	the	DT
39142	1657	20	reflecting	reflect	VBG
39142	1657	21	regions	region	NNS
39142	1657	22	of	of	IN
39142	1657	23	the	the	DT
39142	1657	24	earth	earth	NN
39142	1657	25	turned	turn	VBD
39142	1657	26	toward	toward	IN
39142	1657	27	the	the	DT
39142	1657	28	moon	moon	NN
39142	1657	29	,	,	,
39142	1657	30	and	and	CC
39142	1657	31	the	the	DT
39142	1657	32	higher	higher	RBR
39142	1657	33	reflective	reflective	JJ
39142	1657	34	power	power	NN
39142	1657	35	of	of	IN
39142	1657	36	clouds	cloud	NNS
39142	1657	37	than	than	IN
39142	1657	38	that	that	DT
39142	1657	39	possessed	possess	VBN
39142	1657	40	by	by	IN
39142	1657	41	mere	mere	JJ
39142	1657	42	land	land	NN
39142	1657	43	and	and	CC
39142	1657	44	water	water	NN
39142	1657	45	.	.	.
39142	1658	1	As	as	IN
39142	1658	2	the	the	DT
39142	1658	3	moon	moon	NN
39142	1658	4	goes	go	VBZ
39142	1658	5	all	all	PDT
39142	1658	6	the	the	DT
39142	1658	7	way	way	NN
39142	1658	8	round	round	IN
39142	1658	9	the	the	DT
39142	1658	10	sky	sky	NN
39142	1658	11	every	every	DT
39142	1658	12	month	month	NN
39142	1658	13	,	,	,
39142	1658	14	the	the	DT
39142	1658	15	same	same	JJ
39142	1658	16	as	as	IN
39142	1658	17	the	the	DT
39142	1658	18	sun	sun	NN
39142	1658	19	does	do	VBZ
39142	1658	20	in	in	IN
39142	1658	21	a	a	DT
39142	1658	22	year	year	NN
39142	1658	23	,	,	,
39142	1658	24	and	and	CC
39142	1658	25	travels	travel	NNS
39142	1658	26	in	in	IN
39142	1658	27	nearly	nearly	RB
39142	1658	28	the	the	DT
39142	1658	29	same	same	JJ
39142	1658	30	path	path	NN
39142	1658	31	,	,	,
39142	1658	32	clearly	clearly	RB
39142	1658	33	it	-PRON-	PRP
39142	1658	34	must	must	MD
39142	1658	35	also	also	RB
39142	1658	36	go	go	VB
39142	1658	37	north	north	NN
39142	1658	38	and	and	CC
39142	1658	39	south	south	NN
39142	1658	40	every	every	DT
39142	1658	41	month	month	NN
39142	1658	42	as	as	IN
39142	1658	43	the	the	DT
39142	1658	44	sun	sun	NN
39142	1658	45	does	do	VBZ
39142	1658	46	.	.	.
39142	1659	1	So	so	RB
39142	1659	2	in	in	IN
39142	1659	3	midsummer	midsummer	NN
39142	1659	4	when	when	WRB
39142	1659	5	the	the	DT
39142	1659	6	sun	sun	NN
39142	1659	7	runs	run	VBZ
39142	1659	8	high	high	RB
39142	1659	9	upon	upon	IN
39142	1659	10	the	the	DT
39142	1659	11	meridian	meridian	NN
39142	1659	12	,	,	,
39142	1659	13	we	-PRON-	PRP
39142	1659	14	expect	expect	VBP
39142	1659	15	to	to	TO
39142	1659	16	find	find	VB
39142	1659	17	full	full	JJ
39142	1659	18	moons	moon	NNS
39142	1659	19	running	run	VBG
39142	1659	20	low	low	JJ
39142	1659	21	,	,	,
39142	1659	22	and	and	CC
39142	1659	23	likewise	likewise	RB
39142	1659	24	in	in	IN
39142	1659	25	midwinter	midwinter	NN
39142	1659	26	the	the	DT
39142	1659	27	full	full	JJ
39142	1659	28	moon	moon	NN
39142	1659	29	always	always	RB
39142	1659	30	runs	run	VBZ
39142	1659	31	high	high	JJ
39142	1659	32	,	,	,
39142	1659	33	as	as	IN
39142	1659	34	almost	almost	RB
39142	1659	35	everyone	everyone	NN
39142	1659	36	has	have	VBZ
39142	1659	37	sometimes	sometimes	RB
39142	1659	38	or	or	CC
39142	1659	39	other	other	JJ
39142	1659	40	noticed	notice	VBN
39142	1659	41	.	.	.
39142	1660	1	This	this	DT
39142	1660	2	eastward	eastward	JJ
39142	1660	3	or	or	CC
39142	1660	4	true	true	JJ
39142	1660	5	orbital	orbital	JJ
39142	1660	6	motion	motion	NN
39142	1660	7	of	of	IN
39142	1660	8	the	the	DT
39142	1660	9	moon	moon	NN
39142	1660	10	is	be	VBZ
39142	1660	11	responsible	responsible	JJ
39142	1660	12	for	for	IN
39142	1660	13	another	another	DT
39142	1660	14	relation	relation	NN
39142	1660	15	which	which	WDT
39142	1660	16	soon	soon	RB
39142	1660	17	comes	come	VBZ
39142	1660	18	to	to	IN
39142	1660	19	light	light	NN
39142	1660	20	when	when	WRB
39142	1660	21	we	-PRON-	PRP
39142	1660	22	begin	begin	VBP
39142	1660	23	to	to	TO
39142	1660	24	observe	observe	VB
39142	1660	25	the	the	DT
39142	1660	26	moon	moon	NN
39142	1660	27	;	;	:
39142	1660	28	and	and	CC
39142	1660	29	that	that	DT
39142	1660	30	is	be	VBZ
39142	1660	31	the	the	DT
39142	1660	32	later	later	JJ
39142	1660	33	hour	hour	NN
39142	1660	34	of	of	IN
39142	1660	35	rising	rise	VBG
39142	1660	36	or	or	CC
39142	1660	37	setting	set	VBG
39142	1660	38	each	each	DT
39142	1660	39	night	night	NN
39142	1660	40	.	.	.
39142	1661	1	Our	-PRON-	PRP$
39142	1661	2	clock	clock	NN
39142	1661	3	time	time	NN
39142	1661	4	is	be	VBZ
39142	1661	5	regulated	regulate	VBN
39142	1661	6	by	by	IN
39142	1661	7	the	the	DT
39142	1661	8	sun	sun	NN
39142	1661	9	,	,	,
39142	1661	10	which	which	WDT
39142	1661	11	also	also	RB
39142	1661	12	is	be	VBZ
39142	1661	13	moving	move	VBG
39142	1661	14	eastward	eastward	RB
39142	1661	15	about	about	IN
39142	1661	16	1	1	CD
39142	1661	17	°	°	,
39142	1661	18	daily	daily	JJ
39142	1661	19	,	,	,
39142	1661	20	or	or	CC
39142	1661	21	twice	twice	PDT
39142	1661	22	its	-PRON-	PRP$
39142	1661	23	own	own	JJ
39142	1661	24	breadth	breadth	NN
39142	1661	25	.	.	.
39142	1662	1	So	so	RB
39142	1662	2	the	the	DT
39142	1662	3	moon	moon	NN
39142	1662	4	's	's	POS
39142	1662	5	eastward	eastward	JJ
39142	1662	6	gain	gain	NN
39142	1662	7	on	on	IN
39142	1662	8	the	the	DT
39142	1662	9	sun	sun	NN
39142	1662	10	amounts	amount	VBZ
39142	1662	11	to	to	IN
39142	1662	12	about	about	RB
39142	1662	13	12	12	CD
39142	1662	14	degrees	degree	NNS
39142	1662	15	daily	daily	RB
39142	1662	16	,	,	,
39142	1662	17	and	and	CC
39142	1662	18	one	one	CD
39142	1662	19	degree	degree	NN
39142	1662	20	being	be	VBG
39142	1662	21	equal	equal	JJ
39142	1662	22	to	to	IN
39142	1662	23	4	4	CD
39142	1662	24	minutes	minute	NNS
39142	1662	25	,	,	,
39142	1662	26	the	the	DT
39142	1662	27	retarded	retarded	JJ
39142	1662	28	time	time	NN
39142	1662	29	of	of	IN
39142	1662	30	moonrise	moonrise	NN
39142	1662	31	or	or	CC
39142	1662	32	moonset	moonset	VB
39142	1662	33	each	each	DT
39142	1662	34	day	day	NN
39142	1662	35	amounts	amount	VBZ
39142	1662	36	to	to	IN
39142	1662	37	very	very	RB
39142	1662	38	nearly	nearly	RB
39142	1662	39	50	50	CD
39142	1662	40	minutes	minute	NNS
39142	1662	41	on	on	IN
39142	1662	42	the	the	DT
39142	1662	43	average	average	NN
39142	1662	44	;	;	:
39142	1662	45	though	though	IN
39142	1662	46	sometimes	sometimes	RB
39142	1662	47	the	the	DT
39142	1662	48	delay	delay	NN
39142	1662	49	will	will	MD
39142	1662	50	be	be	VB
39142	1662	51	less	less	JJR
39142	1662	52	than	than	IN
39142	1662	53	a	a	DT
39142	1662	54	half	half	JJ
39142	1662	55	hour	hour	NN
39142	1662	56	and	and	CC
39142	1662	57	at	at	IN
39142	1662	58	other	other	JJ
39142	1662	59	times	time	NNS
39142	1662	60	it	-PRON-	PRP
39142	1662	61	will	will	MD
39142	1662	62	exceed	exceed	VB
39142	1662	63	an	an	DT
39142	1662	64	hour	hour	NN
39142	1662	65	and	and	CC
39142	1662	66	a	a	DT
39142	1662	67	quarter	quarter	NN
39142	1662	68	.	.	.
39142	1663	1	The	the	DT
39142	1663	2	season	season	NN
39142	1663	3	of	of	IN
39142	1663	4	least	least	JJS
39142	1663	5	retardation	retardation	NN
39142	1663	6	of	of	IN
39142	1663	7	rising	rise	VBG
39142	1663	8	of	of	IN
39142	1663	9	the	the	DT
39142	1663	10	full	full	JJ
39142	1663	11	moon	moon	NN
39142	1663	12	is	be	VBZ
39142	1663	13	in	in	IN
39142	1663	14	the	the	DT
39142	1663	15	autumn	autumn	NN
39142	1663	16	,	,	,
39142	1663	17	and	and	CC
39142	1663	18	so	so	RB
39142	1663	19	the	the	DT
39142	1663	20	moon	moon	NN
39142	1663	21	that	that	WDT
39142	1663	22	falls	fall	VBZ
39142	1663	23	in	in	IN
39142	1663	24	late	late	JJ
39142	1663	25	September	September	NNP
39142	1663	26	or	or	CC
39142	1663	27	October	October	NNP
39142	1663	28	is	be	VBZ
39142	1663	29	known	know	VBN
39142	1663	30	as	as	IN
39142	1663	31	the	the	DT
39142	1663	32	Harvest	Harvest	NNP
39142	1663	33	moon	moon	NN
39142	1663	34	,	,	,
39142	1663	35	and	and	CC
39142	1663	36	the	the	DT
39142	1663	37	next	next	JJ
39142	1663	38	succeeding	succeed	VBG
39142	1663	39	full	full	JJ
39142	1663	40	moon	moon	NN
39142	1663	41	is	be	VBZ
39142	1663	42	called	call	VBN
39142	1663	43	the	the	DT
39142	1663	44	Hunter	Hunter	NNP
39142	1663	45	's	's	POS
39142	1663	46	moon	moon	NN
39142	1663	47	.	.	.
39142	1664	1	Lunation	Lunation	NNP
39142	1664	2	is	be	VBZ
39142	1664	3	a	a	DT
39142	1664	4	term	term	NN
39142	1664	5	sometimes	sometimes	RB
39142	1664	6	given	give	VBN
39142	1664	7	to	to	IN
39142	1664	8	the	the	DT
39142	1664	9	moon	moon	NN
39142	1664	10	's	's	POS
39142	1664	11	period	period	NN
39142	1664	12	from	from	IN
39142	1664	13	any	any	DT
39142	1664	14	definite	definite	JJ
39142	1664	15	phase	phase	NN
39142	1664	16	round	round	RB
39142	1664	17	to	to	IN
39142	1664	18	the	the	DT
39142	1664	19	same	same	JJ
39142	1664	20	phase	phase	NN
39142	1664	21	again	again	RB
39142	1664	22	.	.	.
39142	1665	1	Its	-PRON-	PRP$
39142	1665	2	length	length	NN
39142	1665	3	is	be	VBZ
39142	1665	4	the	the	DT
39142	1665	5	true	true	JJ
39142	1665	6	period	period	NN
39142	1665	7	of	of	IN
39142	1665	8	the	the	DT
39142	1665	9	moon	moon	NN
39142	1665	10	's	's	POS
39142	1665	11	revolution	revolution	NN
39142	1665	12	once	once	RB
39142	1665	13	around	around	IN
39142	1665	14	the	the	DT
39142	1665	15	earth	earth	NN
39142	1665	16	,	,	,
39142	1665	17	from	from	IN
39142	1665	18	the	the	DT
39142	1665	19	sun	sun	NN
39142	1665	20	all	all	PDT
39142	1665	21	the	the	DT
39142	1665	22	way	way	NN
39142	1665	23	round	round	RB
39142	1665	24	till	till	IN
39142	1665	25	it	-PRON-	PRP
39142	1665	26	overtakes	overtake	VBZ
39142	1665	27	the	the	DT
39142	1665	28	sun	sun	NN
39142	1665	29	again	again	RB
39142	1665	30	.	.	.
39142	1666	1	The	the	DT
39142	1666	2	synodic	synodic	JJ
39142	1666	3	period	period	NN
39142	1666	4	is	be	VBZ
39142	1666	5	another	another	DT
39142	1666	6	name	name	NN
39142	1666	7	for	for	IN
39142	1666	8	lunation	lunation	NN
39142	1666	9	,	,	,
39142	1666	10	and	and	CC
39142	1666	11	its	-PRON-	PRP$
39142	1666	12	true	true	JJ
39142	1666	13	length	length	NN
39142	1666	14	is	be	VBZ
39142	1666	15	29	29	CD
39142	1666	16	and	and	CC
39142	1666	17	one	one	CD
39142	1666	18	-	-	HYPH
39142	1666	19	half	half	NN
39142	1666	20	days	day	NNS
39142	1666	21	,	,	,
39142	1666	22	or	or	CC
39142	1666	23	very	very	RB
39142	1666	24	accurately	accurately	RB
39142	1666	25	29	29	CD
39142	1666	26	d.	d.	NN
39142	1666	27	12	12	CD
39142	1666	28	h.	h.	NN
39142	1666	29	44	44	CD
39142	1666	30	m.	m.	NN
39142	1666	31	2.7	2.7	CD
39142	1666	32	s.	s.	NN
39142	1666	33	as	as	IN
39142	1666	34	calculated	calculate	VBN
39142	1666	35	by	by	IN
39142	1666	36	astronomers	astronomer	NNS
39142	1666	37	with	with	IN
39142	1666	38	great	great	JJ
39142	1666	39	exactness	exactness	NN
39142	1666	40	from	from	IN
39142	1666	41	many	many	JJ
39142	1666	42	thousand	thousand	CD
39142	1666	43	revolutions	revolution	NNS
39142	1666	44	of	of	IN
39142	1666	45	the	the	DT
39142	1666	46	moon	moon	NN
39142	1666	47	.	.	.
39142	1667	1	But	but	CC
39142	1667	2	if	if	IN
39142	1667	3	we	-PRON-	PRP
39142	1667	4	want	want	VBP
39142	1667	5	the	the	DT
39142	1667	6	true	true	JJ
39142	1667	7	period	period	NN
39142	1667	8	of	of	IN
39142	1667	9	the	the	DT
39142	1667	10	moon	moon	NN
39142	1667	11	round	round	IN
39142	1667	12	the	the	DT
39142	1667	13	earth	earth	NN
39142	1667	14	as	as	IN
39142	1667	15	referred	refer	VBN
39142	1667	16	to	to	IN
39142	1667	17	a	a	DT
39142	1667	18	star	star	NN
39142	1667	19	,	,	,
39142	1667	20	it	-PRON-	PRP
39142	1667	21	is	be	VBZ
39142	1667	22	much	much	RB
39142	1667	23	shorter	short	JJR
39142	1667	24	than	than	IN
39142	1667	25	this	this	DT
39142	1667	26	,	,	,
39142	1667	27	amounting	amount	VBG
39142	1667	28	to	to	IN
39142	1667	29	only	only	RB
39142	1667	30	27	27	CD
39142	1667	31	days	day	NNS
39142	1667	32	and	and	CC
39142	1667	33	nearly	nearly	RB
39142	1667	34	one	one	CD
39142	1667	35	-	-	HYPH
39142	1667	36	third	third	NN
39142	1667	37	.	.	.
39142	1668	1	This	this	DT
39142	1668	2	is	be	VBZ
39142	1668	3	called	call	VBN
39142	1668	4	the	the	DT
39142	1668	5	moon	moon	NN
39142	1668	6	's	's	POS
39142	1668	7	sidereal	sidereal	JJ
39142	1668	8	period	period	NN
39142	1668	9	of	of	IN
39142	1668	10	revolution	revolution	NN
39142	1668	11	,	,	,
39142	1668	12	because	because	IN
39142	1668	13	it	-PRON-	PRP
39142	1668	14	is	be	VBZ
39142	1668	15	the	the	DT
39142	1668	16	time	time	NN
39142	1668	17	elapsed	elapse	VBD
39142	1668	18	while	while	IN
39142	1668	19	she	-PRON-	PRP
39142	1668	20	is	be	VBZ
39142	1668	21	traveling	travel	VBG
39142	1668	22	eastward	eastward	RB
39142	1668	23	from	from	IN
39142	1668	24	a	a	DT
39142	1668	25	given	give	VBN
39142	1668	26	star	star	NN
39142	1668	27	around	around	RB
39142	1668	28	to	to	IN
39142	1668	29	coincidence	coincidence	NN
39142	1668	30	with	with	IN
39142	1668	31	the	the	DT
39142	1668	32	same	same	JJ
39142	1668	33	star	star	NN
39142	1668	34	again	again	RB
39142	1668	35	.	.	.
39142	1669	1	If	if	IN
39142	1669	2	we	-PRON-	PRP
39142	1669	3	study	study	VBP
39142	1669	4	the	the	DT
39142	1669	5	moon	moon	NN
39142	1669	6	's	's	POS
39142	1669	7	path	path	NN
39142	1669	8	in	in	IN
39142	1669	9	the	the	DT
39142	1669	10	sky	sky	NN
39142	1669	11	more	more	RBR
39142	1669	12	critically	critically	RB
39142	1669	13	,	,	,
39142	1669	14	we	-PRON-	PRP
39142	1669	15	shall	shall	MD
39142	1669	16	find	find	VB
39142	1669	17	that	that	IN
39142	1669	18	it	-PRON-	PRP
39142	1669	19	does	do	VBZ
39142	1669	20	not	not	RB
39142	1669	21	quite	quite	RB
39142	1669	22	follow	follow	VB
39142	1669	23	the	the	DT
39142	1669	24	ecliptic	ecliptic	JJ
39142	1669	25	,	,	,
39142	1669	26	or	or	CC
39142	1669	27	the	the	DT
39142	1669	28	sun	sun	NN
39142	1669	29	's	's	POS
39142	1669	30	path	path	NN
39142	1669	31	,	,	,
39142	1669	32	but	but	CC
39142	1669	33	that	that	IN
39142	1669	34	twice	twice	PDT
39142	1669	35	each	each	DT
39142	1669	36	month	month	NN
39142	1669	37	she	-PRON-	PRP
39142	1669	38	deviates	deviate	VBZ
39142	1669	39	from	from	IN
39142	1669	40	the	the	DT
39142	1669	41	ecliptic	ecliptic	NN
39142	1669	42	,	,	,
39142	1669	43	once	once	RB
39142	1669	44	to	to	IN
39142	1669	45	the	the	DT
39142	1669	46	north	north	NN
39142	1669	47	and	and	CC
39142	1669	48	once	once	RB
39142	1669	49	to	to	IN
39142	1669	50	the	the	DT
39142	1669	51	south	south	NN
39142	1669	52	of	of	IN
39142	1669	53	it	-PRON-	PRP
39142	1669	54	,	,	,
39142	1669	55	by	by	IN
39142	1669	56	roughly	roughly	RB
39142	1669	57	ten	ten	CD
39142	1669	58	times	time	NNS
39142	1669	59	her	-PRON-	PRP$
39142	1669	60	own	own	JJ
39142	1669	61	breadth	breadth	NN
39142	1669	62	.	.	.
39142	1670	1	More	more	RBR
39142	1670	2	accurately	accurately	RB
39142	1670	3	this	this	DT
39142	1670	4	angle	angle	NN
39142	1670	5	is	be	VBZ
39142	1670	6	5	5	CD
39142	1670	7	°	°	NNS
39142	1670	8	8'40	8'40	NN
39142	1670	9	"	"	''
39142	1670	10	,	,	,
39142	1670	11	an	an	DT
39142	1670	12	almost	almost	RB
39142	1670	13	invariable	invariable	JJ
39142	1670	14	quantity	quantity	NN
39142	1670	15	,	,	,
39142	1670	16	and	and	CC
39142	1670	17	it	-PRON-	PRP
39142	1670	18	is	be	VBZ
39142	1670	19	therefore	therefore	RB
39142	1670	20	known	know	VBN
39142	1670	21	as	as	IN
39142	1670	22	an	an	DT
39142	1670	23	astronomical	astronomical	JJ
39142	1670	24	constant	constant	NN
39142	1670	25	,	,	,
39142	1670	26	or	or	CC
39142	1670	27	the	the	DT
39142	1670	28	inclination	inclination	NN
39142	1670	29	of	of	IN
39142	1670	30	the	the	DT
39142	1670	31	moon	moon	NN
39142	1670	32	's	's	POS
39142	1670	33	orbit	orbit	NN
39142	1670	34	to	to	IN
39142	1670	35	the	the	DT
39142	1670	36	ecliptic	ecliptic	NN
39142	1670	37	.	.	.
39142	1671	1	So	so	RB
39142	1671	2	the	the	DT
39142	1671	3	moon	moon	NN
39142	1671	4	's	's	POS
39142	1671	5	orbit	orbit	NN
39142	1671	6	must	must	MD
39142	1671	7	intersect	intersect	VB
39142	1671	8	the	the	DT
39142	1671	9	ecliptic	ecliptic	NN
39142	1671	10	,	,	,
39142	1671	11	and	and	CC
39142	1671	12	as	as	IN
39142	1671	13	both	both	DT
39142	1671	14	are	be	VBP
39142	1671	15	great	great	JJ
39142	1671	16	circles	circle	NNS
39142	1671	17	in	in	IN
39142	1671	18	the	the	DT
39142	1671	19	sky	sky	NN
39142	1671	20	,	,	,
39142	1671	21	the	the	DT
39142	1671	22	points	point	NNS
39142	1671	23	of	of	IN
39142	1671	24	intersection	intersection	NN
39142	1671	25	are	be	VBP
39142	1671	26	known	know	VBN
39142	1671	27	as	as	IN
39142	1671	28	the	the	DT
39142	1671	29	moon	moon	NN
39142	1671	30	's	's	POS
39142	1671	31	nodes	node	NNS
39142	1671	32	,	,	,
39142	1671	33	one	one	CD
39142	1671	34	ascending	ascending	NN
39142	1671	35	and	and	CC
39142	1671	36	the	the	DT
39142	1671	37	other	other	JJ
39142	1671	38	descending	descending	NN
39142	1671	39	,	,	,
39142	1671	40	and	and	CC
39142	1671	41	the	the	DT
39142	1671	42	nodes	node	NNS
39142	1671	43	are	be	VBP
39142	1671	44	180	180	CD
39142	1671	45	degrees	degree	NNS
39142	1671	46	apart	apart	RB
39142	1671	47	.	.	.
39142	1672	1	The	the	DT
39142	1672	2	figure	figure	NN
39142	1672	3	of	of	IN
39142	1672	4	the	the	DT
39142	1672	5	moon	moon	NN
39142	1672	6	's	's	POS
39142	1672	7	orbit	orbit	NN
39142	1672	8	is	be	VBZ
39142	1672	9	not	not	RB
39142	1672	10	circular	circular	JJ
39142	1672	11	,	,	,
39142	1672	12	although	although	IN
39142	1672	13	it	-PRON-	PRP
39142	1672	14	deviates	deviate	VBZ
39142	1672	15	only	only	RB
39142	1672	16	slightly	slightly	RB
39142	1672	17	from	from	IN
39142	1672	18	that	that	DT
39142	1672	19	form	form	NN
39142	1672	20	.	.	.
39142	1673	1	But	but	CC
39142	1673	2	like	like	IN
39142	1673	3	the	the	DT
39142	1673	4	paths	path	NNS
39142	1673	5	of	of	IN
39142	1673	6	all	all	DT
39142	1673	7	other	other	JJ
39142	1673	8	satellites	satellite	NNS
39142	1673	9	round	round	VBP
39142	1673	10	their	-PRON-	PRP$
39142	1673	11	primary	primary	JJ
39142	1673	12	planets	planet	NNS
39142	1673	13	,	,	,
39142	1673	14	and	and	CC
39142	1673	15	of	of	IN
39142	1673	16	the	the	DT
39142	1673	17	planets	planet	NNS
39142	1673	18	themselves	-PRON-	PRP
39142	1673	19	round	round	VBP
39142	1673	20	the	the	DT
39142	1673	21	sun	sun	NN
39142	1673	22	,	,	,
39142	1673	23	the	the	DT
39142	1673	24	moon	moon	NN
39142	1673	25	's	's	POS
39142	1673	26	orbit	orbit	NN
39142	1673	27	is	be	VBZ
39142	1673	28	also	also	RB
39142	1673	29	an	an	DT
39142	1673	30	ellipse	ellipse	NN
39142	1673	31	.	.	.
39142	1674	1	The	the	DT
39142	1674	2	distance	distance	NN
39142	1674	3	of	of	IN
39142	1674	4	the	the	DT
39142	1674	5	moon	moon	NN
39142	1674	6	's	's	POS
39142	1674	7	center	center	NN
39142	1674	8	from	from	IN
39142	1674	9	the	the	DT
39142	1674	10	earth	earth	NN
39142	1674	11	's	's	POS
39142	1674	12	center	center	NN
39142	1674	13	is	be	VBZ
39142	1674	14	therefore	therefore	RB
39142	1674	15	perpetually	perpetually	RB
39142	1674	16	changing	change	VBG
39142	1674	17	;	;	:
39142	1674	18	the	the	DT
39142	1674	19	point	point	NN
39142	1674	20	of	of	IN
39142	1674	21	nearest	near	JJS
39142	1674	22	approach	approach	NN
39142	1674	23	is	be	VBZ
39142	1674	24	called	call	VBN
39142	1674	25	perigee	perigee	NNP
39142	1674	26	,	,	,
39142	1674	27	and	and	CC
39142	1674	28	that	that	DT
39142	1674	29	of	of	IN
39142	1674	30	farthest	farthest	JJ
39142	1674	31	recession	recession	NN
39142	1674	32	,	,	,
39142	1674	33	apogee	apogee	NNP
39142	1674	34	.	.	.
39142	1675	1	The	the	DT
39142	1675	2	moon	moon	NN
39142	1675	3	's	's	POS
39142	1675	4	distance	distance	NN
39142	1675	5	from	from	IN
39142	1675	6	the	the	DT
39142	1675	7	earth	earth	NN
39142	1675	8	is	be	VBZ
39142	1675	9	easier	easy	JJR
39142	1675	10	and	and	CC
39142	1675	11	simpler	simple	JJR
39142	1675	12	to	to	TO
39142	1675	13	be	be	VB
39142	1675	14	ascertained	ascertain	VBN
39142	1675	15	than	than	IN
39142	1675	16	that	that	DT
39142	1675	17	of	of	IN
39142	1675	18	any	any	DT
39142	1675	19	other	other	JJ
39142	1675	20	heavenly	heavenly	JJ
39142	1675	21	body	body	NN
39142	1675	22	,	,	,
39142	1675	23	because	because	IN
39142	1675	24	it	-PRON-	PRP
39142	1675	25	is	be	VBZ
39142	1675	26	the	the	DT
39142	1675	27	nearest	near	JJS
39142	1675	28	.	.	.
39142	1676	1	An	an	DT
39142	1676	2	outline	outline	NN
39142	1676	3	of	of	IN
39142	1676	4	the	the	DT
39142	1676	5	method	method	NN
39142	1676	6	of	of	IN
39142	1676	7	finding	find	VBG
39142	1676	8	this	this	DT
39142	1676	9	distance	distance	NN
39142	1676	10	is	be	VBZ
39142	1676	11	not	not	RB
39142	1676	12	difficult	difficult	JJ
39142	1676	13	to	to	TO
39142	1676	14	present	present	VB
39142	1676	15	;	;	:
39142	1676	16	and	and	CC
39142	1676	17	it	-PRON-	PRP
39142	1676	18	resembles	resemble	VBZ
39142	1676	19	in	in	IN
39142	1676	20	every	every	DT
39142	1676	21	particular	particular	JJ
39142	1676	22	the	the	DT
39142	1676	23	method	method	NN
39142	1676	24	a	a	DT
39142	1676	25	surveyor	surveyor	NN
39142	1676	26	uses	use	VBZ
39142	1676	27	to	to	TO
39142	1676	28	find	find	VB
39142	1676	29	the	the	DT
39142	1676	30	distance	distance	NN
39142	1676	31	of	of	IN
39142	1676	32	some	some	DT
39142	1676	33	inaccessible	inaccessible	JJ
39142	1676	34	point	point	NN
39142	1676	35	which	which	WDT
39142	1676	36	he	-PRON-	PRP
39142	1676	37	can	can	MD
39142	1676	38	not	not	RB
39142	1676	39	measure	measure	VB
39142	1676	40	directly	directly	RB
39142	1676	41	.	.	.
39142	1677	1	Up	up	IN
39142	1677	2	and	and	CC
39142	1677	3	down	down	IN
39142	1677	4	a	a	DT
39142	1677	5	stream	stream	NN
39142	1677	6	,	,	,
39142	1677	7	for	for	IN
39142	1677	8	example	example	NN
39142	1677	9	,	,	,
39142	1677	10	he	-PRON-	PRP
39142	1677	11	measures	measure	VBZ
39142	1677	12	the	the	DT
39142	1677	13	length	length	NN
39142	1677	14	of	of	IN
39142	1677	15	a	a	DT
39142	1677	16	line	line	NN
39142	1677	17	,	,	,
39142	1677	18	and	and	CC
39142	1677	19	from	from	IN
39142	1677	20	each	each	DT
39142	1677	21	end	end	NN
39142	1677	22	of	of	IN
39142	1677	23	it	-PRON-	PRP
39142	1677	24	he	-PRON-	PRP
39142	1677	25	measures	measure	VBZ
39142	1677	26	the	the	DT
39142	1677	27	angle	angle	NN
39142	1677	28	between	between	IN
39142	1677	29	the	the	DT
39142	1677	30	other	other	JJ
39142	1677	31	end	end	NN
39142	1677	32	of	of	IN
39142	1677	33	the	the	DT
39142	1677	34	line	line	NN
39142	1677	35	and	and	CC
39142	1677	36	the	the	DT
39142	1677	37	object	object	NN
39142	1677	38	on	on	IN
39142	1677	39	the	the	DT
39142	1677	40	opposite	opposite	JJ
39142	1677	41	side	side	NN
39142	1677	42	of	of	IN
39142	1677	43	the	the	DT
39142	1677	44	stream	stream	NN
39142	1677	45	whose	whose	WP$
39142	1677	46	distance	distance	NN
39142	1677	47	he	-PRON-	PRP
39142	1677	48	wishes	wish	VBZ
39142	1677	49	to	to	TO
39142	1677	50	find	find	VB
39142	1677	51	out	out	RP
39142	1677	52	.	.	.
39142	1678	1	Then	then	RB
39142	1678	2	he	-PRON-	PRP
39142	1678	3	applies	apply	VBZ
39142	1678	4	the	the	DT
39142	1678	5	science	science	NN
39142	1678	6	of	of	IN
39142	1678	7	trigonometry	trigonometry	NN
39142	1678	8	to	to	IN
39142	1678	9	these	these	DT
39142	1678	10	three	three	CD
39142	1678	11	measures	measure	NNS
39142	1678	12	,	,	,
39142	1678	13	two	two	CD
39142	1678	14	of	of	IN
39142	1678	15	angles	angle	NNS
39142	1678	16	and	and	CC
39142	1678	17	one	one	CD
39142	1678	18	the	the	DT
39142	1678	19	length	length	NN
39142	1678	20	of	of	IN
39142	1678	21	the	the	DT
39142	1678	22	side	side	NN
39142	1678	23	or	or	CC
39142	1678	24	base	base	NN
39142	1678	25	included	include	VBN
39142	1678	26	between	between	IN
39142	1678	27	them	-PRON-	PRP
39142	1678	28	,	,	,
39142	1678	29	and	and	CC
39142	1678	30	a	a	DT
39142	1678	31	few	few	JJ
39142	1678	32	minutes	minute	NNS
39142	1678	33	'	'	POS
39142	1678	34	calculation	calculation	NN
39142	1678	35	gives	give	VBZ
39142	1678	36	the	the	DT
39142	1678	37	distance	distance	NN
39142	1678	38	of	of	IN
39142	1678	39	the	the	DT
39142	1678	40	inaccessible	inaccessible	JJ
39142	1678	41	object	object	NN
39142	1678	42	from	from	IN
39142	1678	43	either	either	DT
39142	1678	44	end	end	NN
39142	1678	45	of	of	IN
39142	1678	46	the	the	DT
39142	1678	47	base	base	NN
39142	1678	48	line	line	NN
39142	1678	49	.	.	.
39142	1679	1	Now	now	RB
39142	1679	2	in	in	IN
39142	1679	3	like	like	JJ
39142	1679	4	manner	manner	NN
39142	1679	5	,	,	,
39142	1679	6	to	to	TO
39142	1679	7	transfer	transfer	VB
39142	1679	8	the	the	DT
39142	1679	9	process	process	NN
39142	1679	10	to	to	IN
39142	1679	11	the	the	DT
39142	1679	12	sky	sky	NN
39142	1679	13	,	,	,
39142	1679	14	let	let	VB
39142	1679	15	the	the	DT
39142	1679	16	two	two	CD
39142	1679	17	ends	end	NNS
39142	1679	18	of	of	IN
39142	1679	19	the	the	DT
39142	1679	20	base	base	NN
39142	1679	21	be	be	VB
39142	1679	22	represented	represent	VBN
39142	1679	23	by	by	IN
39142	1679	24	two	two	CD
39142	1679	25	astronomical	astronomical	JJ
39142	1679	26	observatories	observatory	NNS
39142	1679	27	,	,	,
39142	1679	28	for	for	IN
39142	1679	29	example	example	NN
39142	1679	30	,	,	,
39142	1679	31	Greenwich	Greenwich	NNP
39142	1679	32	in	in	IN
39142	1679	33	the	the	DT
39142	1679	34	northern	northern	JJ
39142	1679	35	hemisphere	hemisphere	NN
39142	1679	36	and	and	CC
39142	1679	37	Cape	Cape	NNP
39142	1679	38	Town	Town	NNP
39142	1679	39	in	in	IN
39142	1679	40	the	the	DT
39142	1679	41	southern	southern	NN
39142	1679	42	.	.	.
39142	1680	1	The	the	DT
39142	1680	2	base	base	NN
39142	1680	3	line	line	NN
39142	1680	4	is	be	VBZ
39142	1680	5	the	the	DT
39142	1680	6	chord	chord	NN
39142	1680	7	or	or	CC
39142	1680	8	straight	straight	JJ
39142	1680	9	line	line	NN
39142	1680	10	through	through	IN
39142	1680	11	the	the	DT
39142	1680	12	earth	earth	NN
39142	1680	13	connecting	connect	VBG
39142	1680	14	the	the	DT
39142	1680	15	two	two	CD
39142	1680	16	observatories	observatory	NNS
39142	1680	17	,	,	,
39142	1680	18	and	and	CC
39142	1680	19	we	-PRON-	PRP
39142	1680	20	know	know	VBP
39142	1680	21	the	the	DT
39142	1680	22	length	length	NN
39142	1680	23	of	of	IN
39142	1680	24	this	this	DT
39142	1680	25	line	line	NN
39142	1680	26	pretty	pretty	RB
39142	1680	27	accurately	accurately	RB
39142	1680	28	,	,	,
39142	1680	29	because	because	IN
39142	1680	30	we	-PRON-	PRP
39142	1680	31	know	know	VBP
39142	1680	32	the	the	DT
39142	1680	33	size	size	NN
39142	1680	34	of	of	IN
39142	1680	35	the	the	DT
39142	1680	36	earth	earth	NN
39142	1680	37	.	.	.
39142	1681	1	The	the	DT
39142	1681	2	angles	angle	NNS
39142	1681	3	measured	measure	VBN
39142	1681	4	are	be	VBP
39142	1681	5	somewhat	somewhat	RB
39142	1681	6	different	different	JJ
39142	1681	7	from	from	IN
39142	1681	8	those	those	DT
39142	1681	9	in	in	IN
39142	1681	10	the	the	DT
39142	1681	11	terrestrial	terrestrial	JJ
39142	1681	12	example	example	NN
39142	1681	13	,	,	,
39142	1681	14	but	but	CC
39142	1681	15	the	the	DT
39142	1681	16	process	process	NN
39142	1681	17	amounts	amount	VBZ
39142	1681	18	to	to	IN
39142	1681	19	the	the	DT
39142	1681	20	same	same	JJ
39142	1681	21	thing	thing	NN
39142	1681	22	because	because	IN
39142	1681	23	the	the	DT
39142	1681	24	astronomers	astronomer	NNS
39142	1681	25	at	at	IN
39142	1681	26	the	the	DT
39142	1681	27	two	two	CD
39142	1681	28	observatories	observatory	NNS
39142	1681	29	measure	measure	VBP
39142	1681	30	the	the	DT
39142	1681	31	angular	angular	JJ
39142	1681	32	distance	distance	NN
39142	1681	33	of	of	IN
39142	1681	34	the	the	DT
39142	1681	35	center	center	NN
39142	1681	36	of	of	IN
39142	1681	37	the	the	DT
39142	1681	38	moon	moon	NN
39142	1681	39	from	from	IN
39142	1681	40	the	the	DT
39142	1681	41	zenith	zenith	NN
39142	1681	42	,	,	,
39142	1681	43	each	each	DT
39142	1681	44	using	use	VBG
39142	1681	45	his	-PRON-	PRP$
39142	1681	46	own	own	JJ
39142	1681	47	zenith	zenith	NN
39142	1681	48	at	at	IN
39142	1681	49	the	the	DT
39142	1681	50	same	same	JJ
39142	1681	51	time	time	NN
39142	1681	52	;	;	:
39142	1681	53	and	and	CC
39142	1681	54	the	the	DT
39142	1681	55	same	same	JJ
39142	1681	56	science	science	NN
39142	1681	57	of	of	IN
39142	1681	58	trigonometry	trigonometry	NN
39142	1681	59	enables	enable	VBZ
39142	1681	60	them	-PRON-	PRP
39142	1681	61	to	to	TO
39142	1681	62	figure	figure	VB
39142	1681	63	out	out	RP
39142	1681	64	the	the	DT
39142	1681	65	length	length	NN
39142	1681	66	of	of	IN
39142	1681	67	any	any	DT
39142	1681	68	side	side	NN
39142	1681	69	of	of	IN
39142	1681	70	the	the	DT
39142	1681	71	triangles	triangle	NNS
39142	1681	72	involved	involve	VBN
39142	1681	73	.	.	.
39142	1682	1	The	the	DT
39142	1682	2	side	side	NN
39142	1682	3	which	which	WDT
39142	1682	4	belongs	belong	VBZ
39142	1682	5	to	to	IN
39142	1682	6	both	both	DT
39142	1682	7	triangles	triangle	NNS
39142	1682	8	is	be	VBZ
39142	1682	9	the	the	DT
39142	1682	10	distance	distance	NN
39142	1682	11	from	from	IN
39142	1682	12	the	the	DT
39142	1682	13	center	center	NN
39142	1682	14	of	of	IN
39142	1682	15	the	the	DT
39142	1682	16	earth	earth	NN
39142	1682	17	to	to	IN
39142	1682	18	the	the	DT
39142	1682	19	center	center	NN
39142	1682	20	of	of	IN
39142	1682	21	the	the	DT
39142	1682	22	moon	moon	NN
39142	1682	23	,	,	,
39142	1682	24	and	and	CC
39142	1682	25	the	the	DT
39142	1682	26	average	average	NN
39142	1682	27	of	of	IN
39142	1682	28	many	many	JJ
39142	1682	29	hundred	hundred	CD
39142	1682	30	measures	measure	NNS
39142	1682	31	of	of	IN
39142	1682	32	this	this	DT
39142	1682	33	gives	give	VBZ
39142	1682	34	238,800	238,800	CD
39142	1682	35	miles	mile	NNS
39142	1682	36	,	,	,
39142	1682	37	or	or	CC
39142	1682	38	about	about	RB
39142	1682	39	ten	ten	CD
39142	1682	40	times	time	NNS
39142	1682	41	the	the	DT
39142	1682	42	distance	distance	NN
39142	1682	43	round	round	IN
39142	1682	44	the	the	DT
39142	1682	45	equator	equator	NN
39142	1682	46	of	of	IN
39142	1682	47	the	the	DT
39142	1682	48	earth	earth	NN
39142	1682	49	.	.	.
39142	1683	1	We	-PRON-	PRP
39142	1683	2	have	have	VBP
39142	1683	3	said	say	VBN
39142	1683	4	that	that	IN
39142	1683	5	the	the	DT
39142	1683	6	orbit	orbit	NN
39142	1683	7	in	in	IN
39142	1683	8	which	which	WDT
39142	1683	9	the	the	DT
39142	1683	10	moon	moon	NN
39142	1683	11	travels	travel	VBZ
39142	1683	12	round	round	IN
39142	1683	13	the	the	DT
39142	1683	14	earth	earth	NN
39142	1683	15	is	be	VBZ
39142	1683	16	practically	practically	RB
39142	1683	17	a	a	DT
39142	1683	18	circle	circle	NN
39142	1683	19	,	,	,
39142	1683	20	but	but	CC
39142	1683	21	the	the	DT
39142	1683	22	earth	earth	NN
39142	1683	23	's	's	POS
39142	1683	24	center	center	NN
39142	1683	25	is	be	VBZ
39142	1683	26	found	find	VBN
39142	1683	27	not	not	RB
39142	1683	28	at	at	IN
39142	1683	29	the	the	DT
39142	1683	30	center	center	NN
39142	1683	31	of	of	IN
39142	1683	32	this	this	DT
39142	1683	33	orbit	orbit	NN
39142	1683	34	,	,	,
39142	1683	35	but	but	CC
39142	1683	36	set	set	VBN
39142	1683	37	to	to	IN
39142	1683	38	one	one	CD
39142	1683	39	side	side	NN
39142	1683	40	,	,	,
39142	1683	41	or	or	CC
39142	1683	42	eccentrically	eccentrically	RB
39142	1683	43	,	,	,
39142	1683	44	so	so	IN
39142	1683	45	that	that	IN
39142	1683	46	the	the	DT
39142	1683	47	distance	distance	NN
39142	1683	48	spanning	span	VBG
39142	1683	49	the	the	DT
39142	1683	50	centers	center	NNS
39142	1683	51	of	of	IN
39142	1683	52	the	the	DT
39142	1683	53	two	two	CD
39142	1683	54	bodies	body	NNS
39142	1683	55	is	be	VBZ
39142	1683	56	sometimes	sometimes	RB
39142	1683	57	as	as	RB
39142	1683	58	small	small	JJ
39142	1683	59	as	as	IN
39142	1683	60	221,610	221,610	CD
39142	1683	61	miles	mile	NNS
39142	1683	62	at	at	IN
39142	1683	63	perigee	perigee	NNP
39142	1683	64	,	,	,
39142	1683	65	and	and	CC
39142	1683	66	252,970	252,970	CD
39142	1683	67	miles	mile	NNS
39142	1683	68	at	at	IN
39142	1683	69	apogee	apogee	NN
39142	1683	70	.	.	.
39142	1684	1	The	the	DT
39142	1684	2	moon	moon	NN
39142	1684	3	's	's	POS
39142	1684	4	speed	speed	NN
39142	1684	5	in	in	IN
39142	1684	6	this	this	DT
39142	1684	7	orbit	orbit	NN
39142	1684	8	averages	average	NNS
39142	1684	9	rather	rather	RB
39142	1684	10	more	more	JJR
39142	1684	11	than	than	IN
39142	1684	12	half	half	PDT
39142	1684	13	a	a	DT
39142	1684	14	mile	mile	NN
39142	1684	15	every	every	DT
39142	1684	16	second	second	NN
39142	1684	17	of	of	IN
39142	1684	18	time	time	NN
39142	1684	19	--	--	:
39142	1684	20	more	more	RBR
39142	1684	21	accurately	accurately	RB
39142	1684	22	3,350	3,350	CD
39142	1684	23	feet	foot	NNS
39142	1684	24	a	a	DT
39142	1684	25	second	second	JJ
39142	1684	26	,	,	,
39142	1684	27	or	or	CC
39142	1684	28	2,290	2,290	CD
39142	1684	29	miles	mile	NNS
39142	1684	30	per	per	IN
39142	1684	31	hour	hour	NN
39142	1684	32	.	.	.
39142	1685	1	Once	once	IN
39142	1685	2	the	the	DT
39142	1685	3	moon	moon	NN
39142	1685	4	's	's	POS
39142	1685	5	distance	distance	NN
39142	1685	6	is	be	VBZ
39142	1685	7	known	know	VBN
39142	1685	8	,	,	,
39142	1685	9	its	-PRON-	PRP$
39142	1685	10	size	size	NN
39142	1685	11	or	or	CC
39142	1685	12	diameter	diameter	NN
39142	1685	13	is	be	VBZ
39142	1685	14	easy	easy	JJ
39142	1685	15	to	to	TO
39142	1685	16	ascertain	ascertain	VB
39142	1685	17	.	.	.
39142	1686	1	An	an	DT
39142	1686	2	angular	angular	JJ
39142	1686	3	measure	measure	NN
39142	1686	4	is	be	VBZ
39142	1686	5	necessary	necessary	JJ
39142	1686	6	,	,	,
39142	1686	7	of	of	IN
39142	1686	8	course	course	NN
39142	1686	9	,	,	,
39142	1686	10	that	that	DT
39142	1686	11	of	of	IN
39142	1686	12	the	the	DT
39142	1686	13	angle	angle	NN
39142	1686	14	which	which	WDT
39142	1686	15	the	the	DT
39142	1686	16	disk	disk	NN
39142	1686	17	of	of	IN
39142	1686	18	the	the	DT
39142	1686	19	moon	moon	NN
39142	1686	20	fills	fill	VBZ
39142	1686	21	as	as	IN
39142	1686	22	seen	see	VBN
39142	1686	23	from	from	IN
39142	1686	24	the	the	DT
39142	1686	25	earth	earth	NN
39142	1686	26	.	.	.
39142	1687	1	There	there	EX
39142	1687	2	are	be	VBP
39142	1687	3	many	many	JJ
39142	1687	4	types	type	NNS
39142	1687	5	of	of	IN
39142	1687	6	astronomical	astronomical	JJ
39142	1687	7	instruments	instrument	NNS
39142	1687	8	with	with	IN
39142	1687	9	which	which	WDT
39142	1687	10	this	this	DT
39142	1687	11	angle	angle	NN
39142	1687	12	can	can	MD
39142	1687	13	be	be	VB
39142	1687	14	measured	measure	VBN
39142	1687	15	,	,	,
39142	1687	16	and	and	CC
39142	1687	17	its	-PRON-	PRP$
39142	1687	18	value	value	NN
39142	1687	19	is	be	VBZ
39142	1687	20	something	something	NN
39142	1687	21	more	more	JJR
39142	1687	22	than	than	IN
39142	1687	23	half	half	PDT
39142	1687	24	a	a	DT
39142	1687	25	degree	degree	NN
39142	1687	26	(	(	-LRB-
39142	1687	27	31'7	31'7	NN
39142	1687	28	"	"	''
39142	1687	29	)	)	-RRB-
39142	1687	30	.	.	.
39142	1688	1	The	the	DT
39142	1688	2	moon	moon	NN
39142	1688	3	's	's	POS
39142	1688	4	actual	actual	JJ
39142	1688	5	diameter	diameter	NN
39142	1688	6	figures	figure	VBZ
39142	1688	7	out	out	RP
39142	1688	8	from	from	IN
39142	1688	9	this	this	DT
39142	1688	10	2,163	2,163	CD
39142	1688	11	miles	mile	NNS
39142	1688	12	;	;	:
39142	1688	13	and	and	CC
39142	1688	14	it	-PRON-	PRP
39142	1688	15	would	would	MD
39142	1688	16	therefore	therefore	RB
39142	1688	17	require	require	VB
39142	1688	18	nearly	nearly	RB
39142	1688	19	fifty	fifty	CD
39142	1688	20	moons	moon	NNS
39142	1688	21	merged	merge	VBN
39142	1688	22	in	in	IN
39142	1688	23	one	one	PRP
39142	1688	24	to	to	TO
39142	1688	25	make	make	VB
39142	1688	26	a	a	DT
39142	1688	27	ball	ball	NN
39142	1688	28	the	the	DT
39142	1688	29	size	size	NN
39142	1688	30	of	of	IN
39142	1688	31	the	the	DT
39142	1688	32	earth	earth	NN
39142	1688	33	.	.	.
39142	1689	1	Still	still	RB
39142	1689	2	,	,	,
39142	1689	3	no	no	DT
39142	1689	4	other	other	JJ
39142	1689	5	planet	planet	NN
39142	1689	6	has	have	VBZ
39142	1689	7	a	a	DT
39142	1689	8	satellite	satellite	NN
39142	1689	9	as	as	IN
39142	1689	10	large	large	JJ
39142	1689	11	in	in	IN
39142	1689	12	proportion	proportion	NN
39142	1689	13	to	to	IN
39142	1689	14	its	-PRON-	PRP$
39142	1689	15	primary	primary	NN
39142	1689	16	as	as	IN
39142	1689	17	the	the	DT
39142	1689	18	moon	moon	NN
39142	1689	19	is	be	VBZ
39142	1689	20	in	in	IN
39142	1689	21	relation	relation	NN
39142	1689	22	to	to	IN
39142	1689	23	the	the	DT
39142	1689	24	earth	earth	NN
39142	1689	25	.	.	.
39142	1690	1	But	but	CC
39142	1690	2	the	the	DT
39142	1690	3	materials	material	NNS
39142	1690	4	that	that	WDT
39142	1690	5	compose	compose	VBP
39142	1690	6	the	the	DT
39142	1690	7	moon	moon	NN
39142	1690	8	have	have	VB
39142	1690	9	less	less	JJR
39142	1690	10	than	than	IN
39142	1690	11	two	two	CD
39142	1690	12	-	-	HYPH
39142	1690	13	thirds	third	NNS
39142	1690	14	the	the	DT
39142	1690	15	average	average	JJ
39142	1690	16	density	density	NN
39142	1690	17	of	of	IN
39142	1690	18	those	those	DT
39142	1690	19	that	that	WDT
39142	1690	20	make	make	VBP
39142	1690	21	up	up	RP
39142	1690	22	the	the	DT
39142	1690	23	earth	earth	NN
39142	1690	24	,	,	,
39142	1690	25	so	so	IN
39142	1690	26	that	that	IN
39142	1690	27	eighty	eighty	CD
39142	1690	28	-	-	HYPH
39142	1690	29	one	one	CD
39142	1690	30	moons	moon	NNS
39142	1690	31	fused	fuse	VBN
39142	1690	32	together	together	RB
39142	1690	33	would	would	MD
39142	1690	34	be	be	VB
39142	1690	35	necessary	necessary	JJ
39142	1690	36	to	to	TO
39142	1690	37	equal	equal	VB
39142	1690	38	the	the	DT
39142	1690	39	mass	mass	NN
39142	1690	40	or	or	CC
39142	1690	41	weight	weight	NN
39142	1690	42	of	of	IN
39142	1690	43	the	the	DT
39142	1690	44	earth	earth	NN
39142	1690	45	.	.	.
39142	1691	1	If	if	IN
39142	1691	2	we	-PRON-	PRP
39142	1691	3	figure	figure	VBP
39142	1691	4	out	out	RP
39142	1691	5	the	the	DT
39142	1691	6	force	force	NN
39142	1691	7	of	of	IN
39142	1691	8	attraction	attraction	NN
39142	1691	9	of	of	IN
39142	1691	10	the	the	DT
39142	1691	11	moon	moon	NN
39142	1691	12	for	for	IN
39142	1691	13	bodies	body	NNS
39142	1691	14	on	on	IN
39142	1691	15	its	-PRON-	PRP$
39142	1691	16	surface	surface	NN
39142	1691	17	,	,	,
39142	1691	18	we	-PRON-	PRP
39142	1691	19	find	find	VBP
39142	1691	20	it	-PRON-	PRP
39142	1691	21	equals	equal	VBZ
39142	1691	22	about	about	RB
39142	1691	23	one	one	CD
39142	1691	24	-	-	HYPH
39142	1691	25	sixth	sixth	NN
39142	1691	26	that	that	DT
39142	1691	27	of	of	IN
39142	1691	28	the	the	DT
39142	1691	29	earth	earth	NN
39142	1691	30	.	.	.
39142	1692	1	Athletes	athlete	NNS
39142	1692	2	could	could	MD
39142	1692	3	perform	perform	VB
39142	1692	4	some	some	DT
39142	1692	5	astounding	astounding	JJ
39142	1692	6	feats	feat	NNS
39142	1692	7	there	there	RB
39142	1692	8	--	--	:
39142	1692	9	miracles	miracle	NNS
39142	1692	10	of	of	IN
39142	1692	11	high	high	JJ
39142	1692	12	jump	jump	NN
39142	1692	13	and	and	CC
39142	1692	14	hammer	hammer	NN
39142	1692	15	-	-	HYPH
39142	1692	16	throw	throw	NN
39142	1692	17	.	.	.
39142	1693	1	Our	-PRON-	PRP$
39142	1693	2	interest	interest	NN
39142	1693	3	in	in	IN
39142	1693	4	the	the	DT
39142	1693	5	moon	moon	NN
39142	1693	6	's	's	POS
39142	1693	7	physical	physical	JJ
39142	1693	8	characteristics	characteristic	NNS
39142	1693	9	never	never	RB
39142	1693	10	wanes	wane	VBZ
39142	1693	11	.	.	.
39142	1694	1	Her	-PRON-	PRP$
39142	1694	2	nearness	nearness	NN
39142	1694	3	to	to	IN
39142	1694	4	us	-PRON-	PRP
39142	1694	5	has	have	VBZ
39142	1694	6	always	always	RB
39142	1694	7	fascinated	fascinate	VBN
39142	1694	8	astronomer	astronomer	NN
39142	1694	9	and	and	CC
39142	1694	10	layman	layman	NNP
39142	1694	11	alike	alike	RB
39142	1694	12	.	.	.
39142	1695	1	Early	early	JJ
39142	1695	2	users	user	NNS
39142	1695	3	of	of	IN
39142	1695	4	the	the	DT
39142	1695	5	telescope	telescope	NN
39142	1695	6	were	be	VBD
39142	1695	7	readily	readily	RB
39142	1695	8	led	lead	VBN
39142	1695	9	into	into	IN
39142	1695	10	error	error	NN
39142	1695	11	regarding	regard	VBG
39142	1695	12	the	the	DT
39142	1695	13	general	general	JJ
39142	1695	14	characteristics	characteristic	NNS
39142	1695	15	of	of	IN
39142	1695	16	the	the	DT
39142	1695	17	lunar	lunar	JJ
39142	1695	18	surface	surface	NN
39142	1695	19	;	;	:
39142	1695	20	and	and	CC
39142	1695	21	it	-PRON-	PRP
39142	1695	22	is	be	VBZ
39142	1695	23	easy	easy	JJ
39142	1695	24	to	to	TO
39142	1695	25	see	see	VB
39142	1695	26	why	why	WRB
39142	1695	27	they	-PRON-	PRP
39142	1695	28	thought	think	VBD
39142	1695	29	the	the	DT
39142	1695	30	smooth	smooth	JJ
39142	1695	31	level	level	NN
39142	1695	32	planes	plane	NNS
39142	1695	33	must	must	MD
39142	1695	34	be	be	VB
39142	1695	35	seas	sea	NNS
39142	1695	36	,	,	,
39142	1695	37	and	and	CC
39142	1695	38	gave	give	VBD
39142	1695	39	them	-PRON-	PRP
39142	1695	40	names	name	NNS
39142	1695	41	to	to	IN
39142	1695	42	that	that	DT
39142	1695	43	effect	effect	NN
39142	1695	44	which	which	WDT
39142	1695	45	persist	persist	VBP
39142	1695	46	to	to	IN
39142	1695	47	-	-	HYPH
39142	1695	48	day	day	NN
39142	1695	49	,	,	,
39142	1695	50	as	as	IN
39142	1695	51	Mare	Mare	NNP
39142	1695	52	Crisium	Crisium	NNP
39142	1695	53	,	,	,
39142	1695	54	Mare	Mare	NNP
39142	1695	55	Serenitatis	Serenitatis	NNP
39142	1695	56	and	and	CC
39142	1695	57	so	so	RB
39142	1695	58	on	on	RB
39142	1695	59	.	.	.
39142	1696	1	We	-PRON-	PRP
39142	1696	2	may	may	MD
39142	1696	3	be	be	VB
39142	1696	4	sure	sure	JJ
39142	1696	5	that	that	IN
39142	1696	6	no	no	DT
39142	1696	7	water	water	NN
39142	1696	8	exists	exist	VBZ
39142	1696	9	on	on	IN
39142	1696	10	the	the	DT
39142	1696	11	moon	moon	NN
39142	1696	12	's	's	POS
39142	1696	13	surface	surface	NN
39142	1696	14	,	,	,
39142	1696	15	although	although	IN
39142	1696	16	some	some	DT
39142	1696	17	astronomers	astronomer	NNS
39142	1696	18	think	think	VBP
39142	1696	19	that	that	IN
39142	1696	20	solid	solid	JJ
39142	1696	21	water	water	NN
39142	1696	22	,	,	,
39142	1696	23	as	as	IN
39142	1696	24	ice	ice	NN
39142	1696	25	or	or	CC
39142	1696	26	snow	snow	NN
39142	1696	27	,	,	,
39142	1696	28	may	may	MD
39142	1696	29	still	still	RB
39142	1696	30	exist	exist	VB
39142	1696	31	there	there	RB
39142	1696	32	at	at	IN
39142	1696	33	a	a	DT
39142	1696	34	temperature	temperature	NN
39142	1696	35	too	too	RB
39142	1696	36	low	low	JJ
39142	1696	37	for	for	IN
39142	1696	38	appreciable	appreciable	JJ
39142	1696	39	evaporation	evaporation	NN
39142	1696	40	.	.	.
39142	1697	1	Perhaps	perhaps	RB
39142	1697	2	water	water	NN
39142	1697	3	,	,	,
39142	1697	4	seas	sea	NNS
39142	1697	5	,	,	,
39142	1697	6	and	and	CC
39142	1697	7	oceans	ocean	NNS
39142	1697	8	were	be	VBD
39142	1697	9	once	once	RB
39142	1697	10	there	there	RB
39142	1697	11	,	,	,
39142	1697	12	but	but	CC
39142	1697	13	their	-PRON-	PRP$
39142	1697	14	secular	secular	JJ
39142	1697	15	dissemination	dissemination	NN
39142	1697	16	and	and	CC
39142	1697	17	loss	loss	NN
39142	1697	18	as	as	IN
39142	1697	19	vapor	vapor	NN
39142	1697	20	have	have	VBP
39142	1697	21	gone	go	VBN
39142	1697	22	on	on	RP
39142	1697	23	through	through	IN
39142	1697	24	the	the	DT
39142	1697	25	millions	million	NNS
39142	1697	26	of	of	IN
39142	1697	27	millions	million	NNS
39142	1697	28	of	of	IN
39142	1697	29	years	year	NNS
39142	1697	30	till	till	IN
39142	1697	31	even	even	RB
39142	1697	32	the	the	DT
39142	1697	33	moon	moon	NN
39142	1697	34	's	's	POS
39142	1697	35	atmosphere	atmosphere	NN
39142	1697	36	appears	appear	VBZ
39142	1697	37	to	to	TO
39142	1697	38	have	have	VB
39142	1697	39	vanished	vanish	VBN
39142	1697	40	completely	completely	RB
39142	1697	41	.	.	.
39142	1698	1	At	at	IN
39142	1698	2	least	least	JJS
39142	1698	3	there	there	EX
39142	1698	4	is	be	VBZ
39142	1698	5	much	much	RB
39142	1698	6	better	well	JJR
39142	1698	7	evidence	evidence	NN
39142	1698	8	of	of	IN
39142	1698	9	absence	absence	NN
39142	1698	10	of	of	IN
39142	1698	11	atmosphere	atmosphere	NN
39142	1698	12	on	on	IN
39142	1698	13	the	the	DT
39142	1698	14	moon	moon	NN
39142	1698	15	than	than	IN
39142	1698	16	of	of	IN
39142	1698	17	its	-PRON-	PRP$
39142	1698	18	presence	presence	NN
39142	1698	19	--	--	:
39142	1698	20	not	not	RB
39142	1698	21	enough	enough	RB
39142	1698	22	at	at	IN
39142	1698	23	any	any	DT
39142	1698	24	rate	rate	NN
39142	1698	25	to	to	TO
39142	1698	26	equal	equal	VB
39142	1698	27	a	a	DT
39142	1698	28	thousandth	thousandth	JJ
39142	1698	29	part	part	NN
39142	1698	30	of	of	IN
39142	1698	31	the	the	DT
39142	1698	32	barometric	barometric	JJ
39142	1698	33	pressure	pressure	NN
39142	1698	34	that	that	WDT
39142	1698	35	we	-PRON-	PRP
39142	1698	36	have	have	VBP
39142	1698	37	at	at	IN
39142	1698	38	the	the	DT
39142	1698	39	earth	earth	NN
39142	1698	40	's	's	POS
39142	1698	41	surface	surface	NN
39142	1698	42	.	.	.
39142	1699	1	Frequent	frequent	JJ
39142	1699	2	observations	observation	NNS
39142	1699	3	of	of	IN
39142	1699	4	stars	star	NNS
39142	1699	5	passing	pass	VBG
39142	1699	6	behind	behind	IN
39142	1699	7	the	the	DT
39142	1699	8	moon	moon	NN
39142	1699	9	in	in	IN
39142	1699	10	occultation	occultation	NN
39142	1699	11	have	have	VBP
39142	1699	12	satisfied	satisfied	JJ
39142	1699	13	astronomers	astronomer	NNS
39142	1699	14	on	on	IN
39142	1699	15	this	this	DT
39142	1699	16	point	point	NN
39142	1699	17	.	.	.
39142	1700	1	We	-PRON-	PRP
39142	1700	2	often	often	RB
39142	1700	3	say	say	VBP
39142	1700	4	of	of	IN
39142	1700	5	the	the	DT
39142	1700	6	brilliant	brilliant	JJ
39142	1700	7	full	full	JJ
39142	1700	8	moon	moon	NN
39142	1700	9	,	,	,
39142	1700	10	it	-PRON-	PRP
39142	1700	11	is	be	VBZ
39142	1700	12	as	as	RB
39142	1700	13	bright	bright	JJ
39142	1700	14	as	as	IN
39142	1700	15	day	day	NN
39142	1700	16	.	.	.
39142	1701	1	The	the	DT
39142	1701	2	photometer	photometer	NN
39142	1701	3	or	or	CC
39142	1701	4	instrument	instrument	NN
39142	1701	5	for	for	IN
39142	1701	6	accurate	accurate	JJ
39142	1701	7	comparison	comparison	NN
39142	1701	8	of	of	IN
39142	1701	9	lights	light	NNS
39142	1701	10	,	,	,
39142	1701	11	their	-PRON-	PRP$
39142	1701	12	amount	amount	NN
39142	1701	13	and	and	CC
39142	1701	14	intensity	intensity	NN
39142	1701	15	,	,	,
39142	1701	16	tells	tell	VBZ
39142	1701	17	a	a	DT
39142	1701	18	different	different	JJ
39142	1701	19	story	story	NN
39142	1701	20	.	.	.
39142	1702	1	Indeed	indeed	RB
39142	1702	2	,	,	,
39142	1702	3	if	if	IN
39142	1702	4	the	the	DT
39142	1702	5	entire	entire	JJ
39142	1702	6	dome	dome	NN
39142	1702	7	of	of	IN
39142	1702	8	the	the	DT
39142	1702	9	sky	sky	NN
39142	1702	10	were	be	VBD
39142	1702	11	filled	fill	VBN
39142	1702	12	with	with	IN
39142	1702	13	full	full	JJ
39142	1702	14	moons	moon	NNS
39142	1702	15	,	,	,
39142	1702	16	we	-PRON-	PRP
39142	1702	17	should	should	MD
39142	1702	18	be	be	VB
39142	1702	19	receiving	receive	VBG
39142	1702	20	only	only	RB
39142	1702	21	one	one	CD
39142	1702	22	-	-	HYPH
39142	1702	23	eighth	eighth	JJ
39142	1702	24	of	of	IN
39142	1702	25	the	the	DT
39142	1702	26	light	light	NN
39142	1702	27	the	the	DT
39142	1702	28	sun	sun	NN
39142	1702	29	gives	give	VBZ
39142	1702	30	us	-PRON-	PRP
39142	1702	31	,	,	,
39142	1702	32	and	and	CC
39142	1702	33	it	-PRON-	PRP
39142	1702	34	would	would	MD
39142	1702	35	require	require	VB
39142	1702	36	more	more	JJR
39142	1702	37	than	than	IN
39142	1702	38	600,000	600,000	CD
39142	1702	39	average	average	JJ
39142	1702	40	full	full	JJ
39142	1702	41	moons	moon	NNS
39142	1702	42	to	to	TO
39142	1702	43	equal	equal	VB
39142	1702	44	the	the	DT
39142	1702	45	light	light	JJ
39142	1702	46	radiation	radiation	NN
39142	1702	47	of	of	IN
39142	1702	48	the	the	DT
39142	1702	49	sun	sun	NN
39142	1702	50	.	.	.
39142	1703	1	Heat	heat	NN
39142	1703	2	from	from	IN
39142	1703	3	the	the	DT
39142	1703	4	moon	moon	NN
39142	1703	5	,	,	,
39142	1703	6	however	however	RB
39142	1703	7	,	,	,
39142	1703	8	is	be	VBZ
39142	1703	9	quite	quite	RB
39142	1703	10	different	different	JJ
39142	1703	11	.	.	.
39142	1704	1	Early	early	JJ
39142	1704	2	attempts	attempt	NNS
39142	1704	3	to	to	TO
39142	1704	4	measure	measure	VB
39142	1704	5	it	-PRON-	PRP
39142	1704	6	detected	detect	VBD
39142	1704	7	none	none	NN
39142	1704	8	at	at	RB
39142	1704	9	all	all	RB
39142	1704	10	,	,	,
39142	1704	11	but	but	CC
39142	1704	12	with	with	IN
39142	1704	13	modern	modern	JJ
39142	1704	14	instruments	instrument	NNS
39142	1704	15	there	there	EX
39142	1704	16	is	be	VBZ
39142	1704	17	little	little	JJ
39142	1704	18	trouble	trouble	NN
39142	1704	19	in	in	IN
39142	1704	20	detecting	detect	VBG
39142	1704	21	heat	heat	NN
39142	1704	22	from	from	IN
39142	1704	23	the	the	DT
39142	1704	24	moon	moon	NN
39142	1704	25	,	,	,
39142	1704	26	though	though	IN
39142	1704	27	measurement	measurement	NN
39142	1704	28	of	of	IN
39142	1704	29	it	-PRON-	PRP
39142	1704	30	is	be	VBZ
39142	1704	31	not	not	RB
39142	1704	32	easy	easy	JJ
39142	1704	33	.	.	.
39142	1705	1	Much	much	JJ
39142	1705	2	of	of	IN
39142	1705	3	the	the	DT
39142	1705	4	moon	moon	NN
39142	1705	5	's	's	POS
39142	1705	6	heat	heat	NN
39142	1705	7	is	be	VBZ
39142	1705	8	sun	sun	NNP
39142	1705	9	heat	heat	NNP
39142	1705	10	,	,	,
39142	1705	11	directly	directly	RB
39142	1705	12	reflected	reflect	VBN
39142	1705	13	from	from	IN
39142	1705	14	the	the	DT
39142	1705	15	moon	moon	NN
39142	1705	16	,	,	,
39142	1705	17	as	as	IN
39142	1705	18	sunlight	sunlight	NN
39142	1705	19	is	be	VBZ
39142	1705	20	,	,	,
39142	1705	21	but	but	CC
39142	1705	22	most	most	JJS
39142	1705	23	of	of	IN
39142	1705	24	it	-PRON-	PRP
39142	1705	25	is	be	VBZ
39142	1705	26	due	due	JJ
39142	1705	27	to	to	IN
39142	1705	28	radiation	radiation	NN
39142	1705	29	of	of	IN
39142	1705	30	solar	solar	JJ
39142	1705	31	heat	heat	NN
39142	1705	32	previously	previously	RB
39142	1705	33	absorbed	absorb	VBN
39142	1705	34	by	by	IN
39142	1705	35	the	the	DT
39142	1705	36	materials	material	NNS
39142	1705	37	of	of	IN
39142	1705	38	the	the	DT
39142	1705	39	lunar	lunar	JJ
39142	1705	40	surface	surface	NN
39142	1705	41	.	.	.
39142	1706	1	The	the	DT
39142	1706	2	actual	actual	JJ
39142	1706	3	temperature	temperature	NN
39142	1706	4	of	of	IN
39142	1706	5	the	the	DT
39142	1706	6	moon	moon	NN
39142	1706	7	's	's	POS
39142	1706	8	surface	surface	NN
39142	1706	9	suffers	suffer	VBZ
39142	1706	10	great	great	JJ
39142	1706	11	variation	variation	NN
39142	1706	12	.	.	.
39142	1707	1	A	a	DT
39142	1707	2	fortnight	fortnight	NN
39142	1707	3	's	's	POS
39142	1707	4	perpetual	perpetual	JJ
39142	1707	5	shining	shining	NN
39142	1707	6	of	of	IN
39142	1707	7	the	the	DT
39142	1707	8	sun	sun	NN
39142	1707	9	upon	upon	IN
39142	1707	10	the	the	DT
39142	1707	11	lunar	lunar	JJ
39142	1707	12	rocks	rock	NNS
39142	1707	13	would	would	MD
39142	1707	14	certainly	certainly	RB
39142	1707	15	heat	heat	VB
39142	1707	16	them	-PRON-	PRP
39142	1707	17	above	above	IN
39142	1707	18	the	the	DT
39142	1707	19	temperature	temperature	NN
39142	1707	20	of	of	IN
39142	1707	21	boiling	boil	VBG
39142	1707	22	water	water	NN
39142	1707	23	,	,	,
39142	1707	24	if	if	IN
39142	1707	25	the	the	DT
39142	1707	26	moon	moon	NN
39142	1707	27	had	have	VBD
39142	1707	28	an	an	DT
39142	1707	29	atmosphere	atmosphere	NN
39142	1707	30	to	to	TO
39142	1707	31	conserve	conserve	VB
39142	1707	32	and	and	CC
39142	1707	33	store	store	VB
39142	1707	34	this	this	DT
39142	1707	35	heat	heat	NN
39142	1707	36	;	;	:
39142	1707	37	but	but	CC
39142	1707	38	the	the	DT
39142	1707	39	entire	entire	JJ
39142	1707	40	absence	absence	NN
39142	1707	41	of	of	IN
39142	1707	42	such	such	PDT
39142	1707	43	an	an	DT
39142	1707	44	air	air	NN
39142	1707	45	blanket	blanket	NN
39142	1707	46	probably	probably	RB
39142	1707	47	permits	permit	VBZ
39142	1707	48	the	the	DT
39142	1707	49	sun	sun	NN
39142	1707	50	's	's	POS
39142	1707	51	heat	heat	NN
39142	1707	52	to	to	TO
39142	1707	53	be	be	VB
39142	1707	54	radiated	radiate	VBN
39142	1707	55	away	away	RB
39142	1707	56	nearly	nearly	RB
39142	1707	57	as	as	RB
39142	1707	58	fast	fast	RB
39142	1707	59	as	as	IN
39142	1707	60	it	-PRON-	PRP
39142	1707	61	is	be	VBZ
39142	1707	62	received	receive	VBN
39142	1707	63	,	,	,
39142	1707	64	leaving	leave	VBG
39142	1707	65	the	the	DT
39142	1707	66	temperature	temperature	NN
39142	1707	67	at	at	IN
39142	1707	68	the	the	DT
39142	1707	69	surface	surface	NN
39142	1707	70	always	always	RB
39142	1707	71	very	very	RB
39142	1707	72	low	low	JJ
39142	1707	73	.	.	.
39142	1708	1	What	what	WDT
39142	1708	2	physical	physical	JJ
39142	1708	3	influences	influence	VBZ
39142	1708	4	the	the	DT
39142	1708	5	moon	moon	NN
39142	1708	6	really	really	RB
39142	1708	7	has	have	VBZ
39142	1708	8	upon	upon	IN
39142	1708	9	the	the	DT
39142	1708	10	earth	earth	NN
39142	1708	11	must	must	MD
39142	1708	12	be	be	VB
39142	1708	13	very	very	RB
39142	1708	14	slight	slight	JJ
39142	1708	15	,	,	,
39142	1708	16	barring	bar	VBG
39142	1708	17	the	the	DT
39142	1708	18	tides	tide	NNS
39142	1708	19	.	.	.
39142	1709	1	But	but	CC
39142	1709	2	there	there	EX
39142	1709	3	is	be	VBZ
39142	1709	4	little	little	JJ
39142	1709	5	hope	hope	NN
39142	1709	6	of	of	IN
39142	1709	7	getting	get	VBG
39142	1709	8	people	people	NNS
39142	1709	9	generally	generally	RB
39142	1709	10	to	to	TO
39142	1709	11	take	take	VB
39142	1709	12	that	that	DT
39142	1709	13	view	view	NN
39142	1709	14	,	,	,
39142	1709	15	because	because	IN
39142	1709	16	the	the	DT
39142	1709	17	moon	moon	NN
39142	1709	18	appears	appear	VBZ
39142	1709	19	to	to	TO
39142	1709	20	be	be	VB
39142	1709	21	the	the	DT
39142	1709	22	planet	planet	NN
39142	1709	23	of	of	IN
39142	1709	24	the	the	DT
39142	1709	25	people	people	NNS
39142	1709	26	,	,	,
39142	1709	27	and	and	CC
39142	1709	28	opinion	opinion	NN
39142	1709	29	that	that	IN
39142	1709	30	the	the	DT
39142	1709	31	moon	moon	NN
39142	1709	32	controls	control	VBZ
39142	1709	33	the	the	DT
39142	1709	34	weather	weather	NN
39142	1709	35	,	,	,
39142	1709	36	for	for	IN
39142	1709	37	instance	instance	NN
39142	1709	38	,	,	,
39142	1709	39	amounts	amount	VBZ
39142	1709	40	with	with	IN
39142	1709	41	them	-PRON-	PRP
39142	1709	42	to	to	IN
39142	1709	43	practical	practical	JJ
39142	1709	44	certainty	certainty	NN
39142	1709	45	.	.	.
39142	1710	1	More	More	JJR
39142	1710	2	than	than	IN
39142	1710	3	likely	likely	RB
39142	1710	4	all	all	PDT
39142	1710	5	these	these	DT
39142	1710	6	notions	notion	NNS
39142	1710	7	are	be	VBP
39142	1710	8	but	but	CC
39142	1710	9	legitimate	legitimate	JJ
39142	1710	10	survivals	survival	NNS
39142	1710	11	of	of	IN
39142	1710	12	superstition	superstition	NN
39142	1710	13	and	and	CC
39142	1710	14	astrology	astrology	NN
39142	1710	15	.	.	.
39142	1711	1	In	in	IN
39142	1711	2	addition	addition	NN
39142	1711	3	to	to	IN
39142	1711	4	the	the	DT
39142	1711	5	tides	tide	NNS
39142	1711	6	,	,	,
39142	1711	7	our	-PRON-	PRP$
39142	1711	8	magnetic	magnetic	JJ
39142	1711	9	observatories	observatory	NNS
39142	1711	10	reveal	reveal	VBP
39142	1711	11	slight	slight	JJ
39142	1711	12	disturbances	disturbance	NNS
39142	1711	13	with	with	IN
39142	1711	14	the	the	DT
39142	1711	15	swinging	swinging	NN
39142	1711	16	of	of	IN
39142	1711	17	the	the	DT
39142	1711	18	moon	moon	NN
39142	1711	19	from	from	IN
39142	1711	20	apogee	apogee	NNP
39142	1711	21	to	to	IN
39142	1711	22	perigee	perigee	NNP
39142	1711	23	and	and	CC
39142	1711	24	back	back	RB
39142	1711	25	;	;	:
39142	1711	26	but	but	CC
39142	1711	27	long	long	JJ
39142	1711	28	series	series	NN
39142	1711	29	of	of	IN
39142	1711	30	weather	weather	NN
39142	1711	31	observations	observation	NNS
39142	1711	32	have	have	VBP
39142	1711	33	been	be	VBN
39142	1711	34	faithfully	faithfully	RB
39142	1711	35	interrogated	interrogate	VBN
39142	1711	36	,	,	,
39142	1711	37	with	with	IN
39142	1711	38	negative	negative	JJ
39142	1711	39	or	or	CC
39142	1711	40	contradictory	contradictory	JJ
39142	1711	41	results	result	NNS
39142	1711	42	.	.	.
39142	1712	1	If	if	IN
39142	1712	2	one	one	PRP
39142	1712	3	believes	believe	VBZ
39142	1712	4	that	that	IN
39142	1712	5	the	the	DT
39142	1712	6	moon	moon	NN
39142	1712	7	's	's	POS
39142	1712	8	changes	change	NNS
39142	1712	9	affect	affect	VBP
39142	1712	10	the	the	DT
39142	1712	11	weather	weather	NN
39142	1712	12	,	,	,
39142	1712	13	it	-PRON-	PRP
39142	1712	14	is	be	VBZ
39142	1712	15	easy	easy	JJ
39142	1712	16	to	to	TO
39142	1712	17	remember	remember	VB
39142	1712	18	coincidences	coincidence	NNS
39142	1712	19	,	,	,
39142	1712	20	and	and	CC
39142	1712	21	pass	pass	VB
39142	1712	22	over	over	RP
39142	1712	23	the	the	DT
39142	1712	24	many	many	JJ
39142	1712	25	times	time	NNS
39142	1712	26	when	when	WRB
39142	1712	27	no	no	DT
39142	1712	28	change	change	NN
39142	1712	29	has	have	VBZ
39142	1712	30	taken	take	VBN
39142	1712	31	place	place	NN
39142	1712	32	.	.	.
39142	1713	1	The	the	DT
39142	1713	2	moon	moon	NN
39142	1713	3	changes	change	VBZ
39142	1713	4	pretty	pretty	RB
39142	1713	5	frequently	frequently	RB
39142	1713	6	anyhow	anyhow	RB
39142	1713	7	.	.	.
39142	1714	1	As	as	IN
39142	1714	2	Young	Young	NNP
39142	1714	3	well	well	RB
39142	1714	4	puts	put	VBZ
39142	1714	5	it	-PRON-	PRP
39142	1714	6	:	:	:
39142	1714	7	"	"	``
39142	1714	8	A	a	DT
39142	1714	9	change	change	NN
39142	1714	10	of	of	IN
39142	1714	11	the	the	DT
39142	1714	12	moon	moon	NN
39142	1714	13	necessarily	necessarily	RB
39142	1714	14	occurs	occur	VBZ
39142	1714	15	about	about	RB
39142	1714	16	once	once	RB
39142	1714	17	a	a	DT
39142	1714	18	week	week	NN
39142	1714	19	....	....	.
39142	1714	20	_	_	NNP
39142	1714	21	All	all	DT
39142	1714	22	_	_	NNP
39142	1714	23	changes	change	NNS
39142	1714	24	,	,	,
39142	1714	25	of	of	IN
39142	1714	26	the	the	DT
39142	1714	27	weather	weather	NN
39142	1714	28	for	for	IN
39142	1714	29	instance	instance	NN
39142	1714	30	,	,	,
39142	1714	31	must	must	MD
39142	1714	32	therefore	therefore	RB
39142	1714	33	occur	occur	VB
39142	1714	34	within	within	IN
39142	1714	35	three	three	CD
39142	1714	36	and	and	CC
39142	1714	37	three	three	CD
39142	1714	38	-	-	HYPH
39142	1714	39	fourth	fourth	JJ
39142	1714	40	days	day	NNS
39142	1714	41	of	of	IN
39142	1714	42	a	a	DT
39142	1714	43	change	change	NN
39142	1714	44	of	of	IN
39142	1714	45	the	the	DT
39142	1714	46	moon	moon	NN
39142	1714	47	,	,	,
39142	1714	48	and	and	CC
39142	1714	49	fifty	fifty	CD
39142	1714	50	per	per	IN
39142	1714	51	cent	cent	NN
39142	1714	52	of	of	IN
39142	1714	53	them	-PRON-	PRP
39142	1714	54	ought	ought	MD
39142	1714	55	to	to	TO
39142	1714	56	occur	occur	VB
39142	1714	57	within	within	IN
39142	1714	58	forty	forty	CD
39142	1714	59	-	-	HYPH
39142	1714	60	six	six	CD
39142	1714	61	hours	hour	NNS
39142	1714	62	of	of	IN
39142	1714	63	a	a	DT
39142	1714	64	change	change	NN
39142	1714	65	,	,	,
39142	1714	66	even	even	RB
39142	1714	67	if	if	IN
39142	1714	68	there	there	EX
39142	1714	69	were	be	VBD
39142	1714	70	no	no	DT
39142	1714	71	causal	causal	JJ
39142	1714	72	connection	connection	NN
39142	1714	73	whatever	whatever	WDT
39142	1714	74	.	.	.
39142	1714	75	"	"	''
39142	1715	1	When	when	WRB
39142	1715	2	we	-PRON-	PRP
39142	1715	3	turn	turn	VBP
39142	1715	4	to	to	IN
39142	1715	5	the	the	DT
39142	1715	6	strongly	strongly	RB
39142	1715	7	diversified	diversify	VBN
39142	1715	8	surface	surface	NN
39142	1715	9	of	of	IN
39142	1715	10	the	the	DT
39142	1715	11	moon	moon	NN
39142	1715	12	itself	-PRON-	PRP
39142	1715	13	,	,	,
39142	1715	14	we	-PRON-	PRP
39142	1715	15	find	find	VBP
39142	1715	16	much	much	JJ
39142	1715	17	to	to	IN
39142	1715	18	rivet	rivet	NNS
39142	1715	19	the	the	DT
39142	1715	20	attention	attention	NN
39142	1715	21	,	,	,
39142	1715	22	even	even	RB
39142	1715	23	with	with	IN
39142	1715	24	slender	slend	JJR
39142	1715	25	optical	optical	JJ
39142	1715	26	aid	aid	NN
39142	1715	27	.	.	.
39142	1716	1	Everyone	everyone	NN
39142	1716	2	wants	want	VBZ
39142	1716	3	to	to	TO
39142	1716	4	know	know	VB
39142	1716	5	how	how	WRB
39142	1716	6	near	near	IN
39142	1716	7	the	the	DT
39142	1716	8	telescope	telescope	NN
39142	1716	9	,	,	,
39142	1716	10	the	the	DT
39142	1716	11	biggest	big	JJS
39142	1716	12	possible	possible	JJ
39142	1716	13	telescope	telescope	NN
39142	1716	14	,	,	,
39142	1716	15	brings	bring	VBZ
39142	1716	16	the	the	DT
39142	1716	17	moon	moon	NN
39142	1716	18	to	to	IN
39142	1716	19	us	-PRON-	PRP
39142	1716	20	.	.	.
39142	1717	1	That	that	DT
39142	1717	2	will	will	MD
39142	1717	3	depend	depend	VB
39142	1717	4	on	on	IN
39142	1717	5	many	many	JJ
39142	1717	6	things	thing	NNS
39142	1717	7	,	,	,
39142	1717	8	first	first	RB
39142	1717	9	of	of	IN
39142	1717	10	all	all	DT
39142	1717	11	on	on	IN
39142	1717	12	the	the	DT
39142	1717	13	magnifying	magnify	VBG
39142	1717	14	power	power	NN
39142	1717	15	of	of	IN
39142	1717	16	the	the	DT
39142	1717	17	eyepiece	eyepiece	NN
39142	1717	18	employed	employ	VBN
39142	1717	19	on	on	IN
39142	1717	20	the	the	DT
39142	1717	21	telescope	telescope	NN
39142	1717	22	,	,	,
39142	1717	23	and	and	CC
39142	1717	24	eyepieces	eyepiece	NNS
39142	1717	25	are	be	VBP
39142	1717	26	changed	change	VBN
39142	1717	27	on	on	IN
39142	1717	28	telescopes	telescope	NNS
39142	1717	29	just	just	RB
39142	1717	30	as	as	IN
39142	1717	31	they	-PRON-	PRP
39142	1717	32	are	be	VBP
39142	1717	33	on	on	IN
39142	1717	34	microscopes	microscope	NNS
39142	1717	35	,	,	,
39142	1717	36	though	though	IN
39142	1717	37	not	not	RB
39142	1717	38	for	for	IN
39142	1717	39	the	the	DT
39142	1717	40	same	same	JJ
39142	1717	41	reasons	reason	NNS
39142	1717	42	.	.	.
39142	1718	1	The	the	DT
39142	1718	2	theoretical	theoretical	JJ
39142	1718	3	limit	limit	NN
39142	1718	4	of	of	IN
39142	1718	5	the	the	DT
39142	1718	6	power	power	NN
39142	1718	7	of	of	IN
39142	1718	8	a	a	DT
39142	1718	9	telescope	telescope	NN
39142	1718	10	is	be	VBZ
39142	1718	11	usually	usually	RB
39142	1718	12	considered	consider	VBN
39142	1718	13	as	as	IN
39142	1718	14	100	100	CD
39142	1718	15	for	for	IN
39142	1718	16	each	each	DT
39142	1718	17	inch	inch	NN
39142	1718	18	of	of	IN
39142	1718	19	diameter	diameter	NN
39142	1718	20	or	or	CC
39142	1718	21	aperture	aperture	NN
39142	1718	22	of	of	IN
39142	1718	23	the	the	DT
39142	1718	24	object	object	NN
39142	1718	25	glass	glass	NN
39142	1718	26	.	.	.
39142	1719	1	A	a	DT
39142	1719	2	40-inch	40-inch	CD
39142	1719	3	telescope	telescope	NN
39142	1719	4	,	,	,
39142	1719	5	as	as	IN
39142	1719	6	that	that	DT
39142	1719	7	of	of	IN
39142	1719	8	the	the	DT
39142	1719	9	Yerkes	Yerkes	NNP
39142	1719	10	Observatory	Observatory	NNP
39142	1719	11	,	,	,
39142	1719	12	the	the	DT
39142	1719	13	largest	large	JJS
39142	1719	14	refracting	refracting	NN
39142	1719	15	telescope	telescope	NN
39142	1719	16	in	in	IN
39142	1719	17	existence	existence	NN
39142	1719	18	,	,	,
39142	1719	19	should	should	MD
39142	1719	20	bear	bear	VB
39142	1719	21	a	a	DT
39142	1719	22	magnifying	magnify	VBG
39142	1719	23	power	power	NN
39142	1719	24	not	not	RB
39142	1719	25	to	to	TO
39142	1719	26	exceed	exceed	VB
39142	1719	27	4,000	4,000	CD
39142	1719	28	.	.	.
39142	1720	1	But	but	CC
39142	1720	2	this	this	DT
39142	1720	3	limit	limit	NN
39142	1720	4	is	be	VBZ
39142	1720	5	practically	practically	RB
39142	1720	6	never	never	RB
39142	1720	7	reached	reach	VBN
39142	1720	8	,	,	,
39142	1720	9	one	one	CD
39142	1720	10	-	-	HYPH
39142	1720	11	half	half	NN
39142	1720	12	of	of	IN
39142	1720	13	it	-PRON-	PRP
39142	1720	14	or	or	CC
39142	1720	15	fifty	fifty	CD
39142	1720	16	to	to	IN
39142	1720	17	the	the	DT
39142	1720	18	inch	inch	NN
39142	1720	19	of	of	IN
39142	1720	20	aperture	aperture	NN
39142	1720	21	being	be	VBG
39142	1720	22	a	a	DT
39142	1720	23	good	good	JJ
39142	1720	24	working	working	NN
39142	1720	25	limit	limit	NN
39142	1720	26	of	of	IN
39142	1720	27	power	power	NN
39142	1720	28	,	,	,
39142	1720	29	even	even	RB
39142	1720	30	under	under	IN
39142	1720	31	exceptional	exceptional	JJ
39142	1720	32	conditions	condition	NNS
39142	1720	33	of	of	IN
39142	1720	34	steadiness	steadiness	NN
39142	1720	35	of	of	IN
39142	1720	36	atmosphere	atmosphere	NN
39142	1720	37	.	.	.
39142	1721	1	If	if	IN
39142	1721	2	we	-PRON-	PRP
39142	1721	3	reduce	reduce	VBP
39142	1721	4	the	the	DT
39142	1721	5	effective	effective	JJ
39142	1721	6	distance	distance	NN
39142	1721	7	of	of	IN
39142	1721	8	the	the	DT
39142	1721	9	moon	moon	NN
39142	1721	10	from	from	IN
39142	1721	11	240,000	240,000	CD
39142	1721	12	miles	mile	NNS
39142	1721	13	to	to	IN
39142	1721	14	100	100	CD
39142	1721	15	miles	mile	NNS
39142	1721	16	,	,	,
39142	1721	17	that	that	DT
39142	1721	18	is	be	VBZ
39142	1721	19	about	about	IN
39142	1721	20	the	the	DT
39142	1721	21	utmost	utmost	NNS
39142	1721	22	that	that	WDT
39142	1721	23	can	can	MD
39142	1721	24	be	be	VB
39142	1721	25	expected	expect	VBN
39142	1721	26	.	.	.
39142	1722	1	But	but	CC
39142	1722	2	even	even	RB
39142	1722	3	at	at	IN
39142	1722	4	that	that	DT
39142	1722	5	distance	distance	NN
39142	1722	6	we	-PRON-	PRP
39142	1722	7	can	can	MD
39142	1722	8	make	make	VB
39142	1722	9	out	out	RP
39142	1722	10	only	only	JJ
39142	1722	11	landscape	landscape	NN
39142	1722	12	details	detail	NNS
39142	1722	13	,	,	,
39142	1722	14	nothing	nothing	NN
39142	1722	15	whatever	whatever	WDT
39142	1722	16	like	like	IN
39142	1722	17	buildings	building	NNS
39142	1722	18	or	or	CC
39142	1722	19	the	the	DT
39142	1722	20	works	work	NNS
39142	1722	21	of	of	IN
39142	1722	22	intelligence	intelligence	NN
39142	1722	23	.	.	.
39142	1723	1	The	the	DT
39142	1723	2	larger	large	JJR
39142	1723	3	relations	relation	NNS
39142	1723	4	of	of	IN
39142	1723	5	light	light	NN
39142	1723	6	and	and	CC
39142	1723	7	shade	shade	NN
39142	1723	8	,	,	,
39142	1723	9	so	so	RB
39142	1723	10	obvious	obvious	JJ
39142	1723	11	to	to	IN
39142	1723	12	the	the	DT
39142	1723	13	naked	naked	JJ
39142	1723	14	eye	eye	NN
39142	1723	15	on	on	IN
39142	1723	16	the	the	DT
39142	1723	17	moon	moon	NN
39142	1723	18	,	,	,
39142	1723	19	vanish	vanish	VB
39142	1723	20	on	on	IN
39142	1723	21	looking	look	VBG
39142	1723	22	at	at	IN
39142	1723	23	it	-PRON-	PRP
39142	1723	24	with	with	IN
39142	1723	25	the	the	DT
39142	1723	26	telescope	telescope	NN
39142	1723	27	,	,	,
39142	1723	28	but	but	CC
39142	1723	29	we	-PRON-	PRP
39142	1723	30	are	be	VBP
39142	1723	31	at	at	IN
39142	1723	32	once	once	RB
39142	1723	33	captivated	captivate	VBN
39142	1723	34	by	by	IN
39142	1723	35	the	the	DT
39142	1723	36	novel	novel	JJ
39142	1723	37	character	character	NN
39142	1723	38	of	of	IN
39142	1723	39	the	the	DT
39142	1723	40	surface	surface	NN
39142	1723	41	and	and	CC
39142	1723	42	the	the	DT
39142	1723	43	seemingly	seemingly	RB
39142	1723	44	great	great	JJ
39142	1723	45	variety	variety	NN
39142	1723	46	of	of	IN
39142	1723	47	detail	detail	NN
39142	1723	48	that	that	WDT
39142	1723	49	is	be	VBZ
39142	1723	50	clearly	clearly	RB
39142	1723	51	visible	visible	JJ
39142	1723	52	.	.	.
39142	1724	1	As	as	RB
39142	1724	2	soon	soon	RB
39142	1724	3	as	as	IN
39142	1724	4	the	the	DT
39142	1724	5	new	new	JJ
39142	1724	6	moon	moon	NN
39142	1724	7	comes	come	VBZ
39142	1724	8	out	out	RP
39142	1724	9	in	in	IN
39142	1724	10	the	the	DT
39142	1724	11	west	west	NN
39142	1724	12	,	,	,
39142	1724	13	one	one	PRP
39142	1724	14	may	may	MD
39142	1724	15	begin	begin	VB
39142	1724	16	to	to	TO
39142	1724	17	gaze	gaze	VB
39142	1724	18	with	with	IN
39142	1724	19	interest	interest	NN
39142	1724	20	and	and	CC
39142	1724	21	watch	watch	VB
39142	1724	22	the	the	DT
39142	1724	23	terminator	terminator	NN
39142	1724	24	or	or	CC
39142	1724	25	sunrise	sunrise	NN
39142	1724	26	line	line	NN
39142	1724	27	gradually	gradually	RB
39142	1724	28	steal	steal	VBP
39142	1724	29	over	over	IN
39142	1724	30	the	the	DT
39142	1724	31	roughened	roughen	VBN
39142	1724	32	surface	surface	NN
39142	1724	33	,	,	,
39142	1724	34	bringing	bring	VBG
39142	1724	35	new	new	JJ
39142	1724	36	and	and	CC
39142	1724	37	striking	striking	JJ
39142	1724	38	craters	crater	NNS
39142	1724	39	into	into	IN
39142	1724	40	view	view	NN
39142	1724	41	each	each	DT
39142	1724	42	night	night	NN
39142	1724	43	.	.	.
39142	1725	1	Around	around	IN
39142	1725	2	the	the	DT
39142	1725	3	time	time	NN
39142	1725	4	of	of	IN
39142	1725	5	quarter	quarter	NN
39142	1725	6	moon	moon	NN
39142	1725	7	,	,	,
39142	1725	8	or	or	CC
39142	1725	9	a	a	DT
39142	1725	10	little	little	JJ
39142	1725	11	past	past	IN
39142	1725	12	it	-PRON-	PRP
39142	1725	13	,	,	,
39142	1725	14	is	be	VBZ
39142	1725	15	one	one	CD
39142	1725	16	of	of	IN
39142	1725	17	the	the	DT
39142	1725	18	best	good	JJS
39142	1725	19	times	time	NNS
39142	1725	20	for	for	IN
39142	1725	21	telescopic	telescopic	JJ
39142	1725	22	views	view	NNS
39142	1725	23	of	of	IN
39142	1725	24	the	the	DT
39142	1725	25	moon	moon	NN
39142	1725	26	,	,	,
39142	1725	27	because	because	IN
39142	1725	28	the	the	DT
39142	1725	29	huge	huge	JJ
39142	1725	30	craters	crater	NNS
39142	1725	31	,	,	,
39142	1725	32	Tycho	Tycho	NNP
39142	1725	33	and	and	CC
39142	1725	34	Copernicus	Copernicus	NNP
39142	1725	35	,	,	,
39142	1725	36	are	be	VBP
39142	1725	37	then	then	RB
39142	1725	38	in	in	IN
39142	1725	39	fine	fine	JJ
39142	1725	40	illumination	illumination	NN
39142	1725	41	.	.	.
39142	1726	1	Close	close	RB
39142	1726	2	to	to	IN
39142	1726	3	the	the	DT
39142	1726	4	phase	phase	NN
39142	1726	5	of	of	IN
39142	1726	6	full	full	JJ
39142	1726	7	moon	moon	NN
39142	1726	8	is	be	VBZ
39142	1726	9	never	never	RB
39142	1726	10	a	a	DT
39142	1726	11	good	good	JJ
39142	1726	12	time	time	NN
39142	1726	13	,	,	,
39142	1726	14	because	because	IN
39142	1726	15	there	there	EX
39142	1726	16	are	be	VBP
39142	1726	17	no	no	DT
39142	1726	18	shadows	shadow	NNS
39142	1726	19	of	of	IN
39142	1726	20	the	the	DT
39142	1726	21	rough	rough	JJ
39142	1726	22	surface	surface	NN
39142	1726	23	then	then	RB
39142	1726	24	,	,	,
39142	1726	25	and	and	CC
39142	1726	26	its	-PRON-	PRP$
39142	1726	27	entire	entire	JJ
39142	1726	28	structure	structure	NN
39142	1726	29	seems	seem	VBZ
39142	1726	30	to	to	TO
39142	1726	31	be	be	VB
39142	1726	32	quite	quite	RB
39142	1726	33	flat	flat	JJ
39142	1726	34	and	and	CC
39142	1726	35	uninteresting	uninteresting	JJ
39142	1726	36	,	,	,
39142	1726	37	except	except	IN
39142	1726	38	for	for	IN
39142	1726	39	the	the	DT
39142	1726	40	streaks	streak	NNS
39142	1726	41	or	or	CC
39142	1726	42	rills	rill	NNS
39142	1726	43	which	which	WDT
39142	1726	44	radiate	radiate	VBP
39142	1726	45	from	from	IN
39142	1726	46	Tycho	Tycho	NNP
39142	1726	47	in	in	IN
39142	1726	48	every	every	DT
39142	1726	49	direction	direction	NN
39142	1726	50	,	,	,
39142	1726	51	and	and	CC
39142	1726	52	are	be	VBP
39142	1726	53	the	the	DT
39142	1726	54	only	only	JJ
39142	1726	55	lunar	lunar	JJ
39142	1726	56	features	feature	NNS
39142	1726	57	that	that	WDT
39142	1726	58	are	be	VBP
39142	1726	59	best	well	RBS
39142	1726	60	seen	see	VBN
39142	1726	61	near	near	IN
39142	1726	62	full	full	JJ
39142	1726	63	.	.	.
39142	1727	1	In	in	IN
39142	1727	2	a	a	DT
39142	1727	3	broad	broad	JJ
39142	1727	4	,	,	,
39142	1727	5	general	general	JJ
39142	1727	6	way	way	NN
39142	1727	7	,	,	,
39142	1727	8	the	the	DT
39142	1727	9	moon	moon	NN
39142	1727	10	's	's	POS
39142	1727	11	surface	surface	NN
39142	1727	12	,	,	,
39142	1727	13	if	if	IN
39142	1727	14	compared	compare	VBN
39142	1727	15	with	with	IN
39142	1727	16	the	the	DT
39142	1727	17	earth	earth	NN
39142	1727	18	's	's	POS
39142	1727	19	,	,	,
39142	1727	20	differs	differ	NNS
39142	1727	21	in	in	IN
39142	1727	22	having	have	VBG
39142	1727	23	no	no	DT
39142	1727	24	water	water	NN
39142	1727	25	.	.	.
39142	1728	1	Our	-PRON-	PRP$
39142	1728	2	extensive	extensive	JJ
39142	1728	3	oceans	ocean	NNS
39142	1728	4	are	be	VBP
39142	1728	5	replaced	replace	VBN
39142	1728	6	there	there	RB
39142	1728	7	by	by	IN
39142	1728	8	smooth	smooth	JJ
39142	1728	9	,	,	,
39142	1728	10	level	level	NN
39142	1728	11	plains	plain	NNS
39142	1728	12	which	which	WDT
39142	1728	13	were	be	VBD
39142	1728	14	at	at	IN
39142	1728	15	first	first	JJ
39142	1728	16	thought	think	VBN
39142	1728	17	to	to	TO
39142	1728	18	be	be	VB
39142	1728	19	seas	sea	NNS
39142	1728	20	and	and	CC
39142	1728	21	so	so	RB
39142	1728	22	named	name	VBN
39142	1728	23	.	.	.
39142	1729	1	There	there	EX
39142	1729	2	are	be	VBP
39142	1729	3	ten	ten	CD
39142	1729	4	or	or	CC
39142	1729	5	twelve	twelve	CD
39142	1729	6	of	of	IN
39142	1729	7	them	-PRON-	PRP
39142	1729	8	in	in	IN
39142	1729	9	all	all	DT
39142	1729	10	.	.	.
39142	1730	1	Then	then	RB
39142	1730	2	we	-PRON-	PRP
39142	1730	3	find	find	VBP
39142	1730	4	mountain	mountain	NN
39142	1730	5	ranges	range	NNS
39142	1730	6	,	,	,
39142	1730	7	so	so	RB
39142	1730	8	numerous	numerous	JJ
39142	1730	9	on	on	IN
39142	1730	10	the	the	DT
39142	1730	11	earth	earth	NN
39142	1730	12	,	,	,
39142	1730	13	relatively	relatively	RB
39142	1730	14	few	few	JJ
39142	1730	15	on	on	IN
39142	1730	16	the	the	DT
39142	1730	17	moon	moon	NN
39142	1730	18	.	.	.
39142	1731	1	Those	those	DT
39142	1731	2	that	that	WDT
39142	1731	3	exist	exist	VBP
39142	1731	4	are	be	VBP
39142	1731	5	named	name	VBN
39142	1731	6	,	,	,
39142	1731	7	in	in	IN
39142	1731	8	part	part	NN
39142	1731	9	,	,	,
39142	1731	10	for	for	IN
39142	1731	11	terrestrial	terrestrial	JJ
39142	1731	12	mountain	mountain	NN
39142	1731	13	ranges	range	NNS
39142	1731	14	,	,	,
39142	1731	15	as	as	IN
39142	1731	16	the	the	DT
39142	1731	17	Alps	Alps	NNPS
39142	1731	18	,	,	,
39142	1731	19	Caucasus	Caucasus	NNP
39142	1731	20	,	,	,
39142	1731	21	and	and	CC
39142	1731	22	the	the	DT
39142	1731	23	Apennines	Apennines	NNPS
39142	1731	24	.	.	.
39142	1732	1	But	but	CC
39142	1732	2	the	the	DT
39142	1732	3	nearly	nearly	RB
39142	1732	4	circular	circular	JJ
39142	1732	5	crater	crater	NN
39142	1732	6	,	,	,
39142	1732	7	a	a	DT
39142	1732	8	relatively	relatively	RB
39142	1732	9	rare	rare	JJ
39142	1732	10	formation	formation	NN
39142	1732	11	on	on	IN
39142	1732	12	the	the	DT
39142	1732	13	earth	earth	NN
39142	1732	14	,	,	,
39142	1732	15	is	be	VBZ
39142	1732	16	seen	see	VBN
39142	1732	17	dotted	dot	VBN
39142	1732	18	all	all	RB
39142	1732	19	over	over	IN
39142	1732	20	the	the	DT
39142	1732	21	moon	moon	NN
39142	1732	22	in	in	IN
39142	1732	23	every	every	DT
39142	1732	24	size	size	NN
39142	1732	25	,	,	,
39142	1732	26	from	from	IN
39142	1732	27	a	a	DT
39142	1732	28	fraction	fraction	NN
39142	1732	29	of	of	IN
39142	1732	30	a	a	DT
39142	1732	31	mile	mile	NN
39142	1732	32	in	in	IN
39142	1732	33	diameter	diameter	NN
39142	1732	34	up	up	IN
39142	1732	35	to	to	IN
39142	1732	36	sixty	sixty	CD
39142	1732	37	,	,	,
39142	1732	38	seventy	seventy	CD
39142	1732	39	,	,	,
39142	1732	40	and	and	CC
39142	1732	41	in	in	IN
39142	1732	42	extreme	extreme	JJ
39142	1732	43	cases	case	NNS
39142	1732	44	a	a	DT
39142	1732	45	hundred	hundred	CD
39142	1732	46	miles	mile	NNS
39142	1732	47	.	.	.
39142	1733	1	No	no	DT
39142	1733	2	mere	mere	JJ
39142	1733	3	description	description	NN
39142	1733	4	of	of	IN
39142	1733	5	plains	plain	NNS
39142	1733	6	and	and	CC
39142	1733	7	mountains	mountain	NNS
39142	1733	8	and	and	CC
39142	1733	9	craters	crater	NNS
39142	1733	10	affords	afford	VBZ
39142	1733	11	an	an	DT
39142	1733	12	adequate	adequate	JJ
39142	1733	13	idea	idea	NN
39142	1733	14	of	of	IN
39142	1733	15	the	the	DT
39142	1733	16	moon	moon	NN
39142	1733	17	's	's	POS
39142	1733	18	surface	surface	NN
39142	1733	19	as	as	IN
39142	1733	20	it	-PRON-	PRP
39142	1733	21	actually	actually	RB
39142	1733	22	is	be	VBZ
39142	1733	23	;	;	:
39142	1733	24	a	a	DT
39142	1733	25	telescopic	telescopic	JJ
39142	1733	26	view	view	NN
39142	1733	27	is	be	VBZ
39142	1733	28	necessary	necessary	JJ
39142	1733	29	,	,	,
39142	1733	30	or	or	CC
39142	1733	31	some	some	DT
39142	1733	32	of	of	IN
39142	1733	33	the	the	DT
39142	1733	34	modern	modern	JJ
39142	1733	35	photographs	photograph	NNS
39142	1733	36	which	which	WDT
39142	1733	37	give	give	VBP
39142	1733	38	an	an	DT
39142	1733	39	even	even	RB
39142	1733	40	better	well	JJR
39142	1733	41	notion	notion	NN
39142	1733	42	of	of	IN
39142	1733	43	the	the	DT
39142	1733	44	moon	moon	NN
39142	1733	45	than	than	IN
39142	1733	46	any	any	DT
39142	1733	47	telescopic	telescopic	JJ
39142	1733	48	view	view	NN
39142	1733	49	.	.	.
39142	1734	1	Many	many	JJ
39142	1734	2	of	of	IN
39142	1734	3	the	the	DT
39142	1734	4	lunar	lunar	JJ
39142	1734	5	craters	crater	NNS
39142	1734	6	are	be	VBP
39142	1734	7	without	without	IN
39142	1734	8	doubt	doubt	NN
39142	1734	9	volcanic	volcanic	JJ
39142	1734	10	in	in	IN
39142	1734	11	origin	origin	NN
39142	1734	12	,	,	,
39142	1734	13	others	other	NNS
39142	1734	14	seem	seem	VBP
39142	1734	15	to	to	TO
39142	1734	16	be	be	VB
39142	1734	17	ruins	ruin	NNS
39142	1734	18	of	of	IN
39142	1734	19	molten	molten	JJ
39142	1734	20	lakes	lake	NNS
39142	1734	21	.	.	.
39142	1735	1	Many	many	JJ
39142	1735	2	thousands	thousand	NNS
39142	1735	3	of	of	IN
39142	1735	4	the	the	DT
39142	1735	5	smaller	small	JJR
39142	1735	6	ones	one	NNS
39142	1735	7	appear	appear	VBP
39142	1735	8	as	as	IN
39142	1735	9	if	if	IN
39142	1735	10	formed	form	VBN
39142	1735	11	by	by	IN
39142	1735	12	a	a	DT
39142	1735	13	violent	violent	JJ
39142	1735	14	pelting	pelting	NN
39142	1735	15	of	of	IN
39142	1735	16	the	the	DT
39142	1735	17	surface	surface	NN
39142	1735	18	when	when	WRB
39142	1735	19	semi	semi	JJ
39142	1735	20	-	-	JJ
39142	1735	21	plastic	plastic	JJ
39142	1735	22	,	,	,
39142	1735	23	perhaps	perhaps	RB
39142	1735	24	by	by	IN
39142	1735	25	enormous	enormous	JJ
39142	1735	26	showers	shower	NNS
39142	1735	27	of	of	IN
39142	1735	28	meteoric	meteoric	JJ
39142	1735	29	matter	matter	NN
39142	1735	30	.	.	.
39142	1736	1	More	More	JJR
39142	1736	2	than	than	IN
39142	1736	3	30,000	30,000	CD
39142	1736	4	craters	crater	NNS
39142	1736	5	cover	cover	VBP
39142	1736	6	the	the	DT
39142	1736	7	half	half	NN
39142	1736	8	of	of	IN
39142	1736	9	the	the	DT
39142	1736	10	lunar	lunar	JJ
39142	1736	11	surface	surface	NN
39142	1736	12	visible	visible	JJ
39142	1736	13	from	from	IN
39142	1736	14	the	the	DT
39142	1736	15	earth	earth	NN
39142	1736	16	,	,	,
39142	1736	17	and	and	CC
39142	1736	18	hundreds	hundred	NNS
39142	1736	19	of	of	IN
39142	1736	20	them	-PRON-	PRP
39142	1736	21	are	be	VBP
39142	1736	22	named	name	VBN
39142	1736	23	for	for	IN
39142	1736	24	philosophers	philosopher	NNS
39142	1736	25	and	and	CC
39142	1736	26	astronomers	astronomer	NNS
39142	1736	27	.	.	.
39142	1737	1	Measurement	Measurement	NNP
39142	1737	2	of	of	IN
39142	1737	3	the	the	DT
39142	1737	4	height	height	NN
39142	1737	5	of	of	IN
39142	1737	6	lunar	lunar	JJ
39142	1737	7	mountains	mountain	NNS
39142	1737	8	has	have	VBZ
39142	1737	9	been	be	VBN
39142	1737	10	made	make	VBN
39142	1737	11	in	in	IN
39142	1737	12	numerous	numerous	JJ
39142	1737	13	instances	instance	NNS
39142	1737	14	,	,	,
39142	1737	15	especially	especially	RB
39142	1737	16	when	when	WRB
39142	1737	17	their	-PRON-	PRP$
39142	1737	18	shadows	shadow	NNS
39142	1737	19	fall	fall	VBP
39142	1737	20	on	on	IN
39142	1737	21	plains	plain	NNS
39142	1737	22	or	or	CC
39142	1737	23	surfaces	surface	NNS
39142	1737	24	that	that	WDT
39142	1737	25	are	be	VBP
39142	1737	26	nearly	nearly	RB
39142	1737	27	level	level	JJ
39142	1737	28	,	,	,
39142	1737	29	so	so	IN
39142	1737	30	that	that	IN
39142	1737	31	the	the	DT
39142	1737	32	length	length	NN
39142	1737	33	of	of	IN
39142	1737	34	the	the	DT
39142	1737	35	shadow	shadow	NN
39142	1737	36	can	can	MD
39142	1737	37	be	be	VB
39142	1737	38	measured	measure	VBN
39142	1737	39	.	.	.
39142	1738	1	In	in	IN
39142	1738	2	general	general	JJ
39142	1738	3	,	,	,
39142	1738	4	the	the	DT
39142	1738	5	height	height	NN
39142	1738	6	of	of	IN
39142	1738	7	lunar	lunar	JJ
39142	1738	8	peaks	peak	NNS
39142	1738	9	is	be	VBZ
39142	1738	10	greater	great	JJR
39142	1738	11	than	than	IN
39142	1738	12	that	that	DT
39142	1738	13	of	of	IN
39142	1738	14	terrestrial	terrestrial	JJ
39142	1738	15	peaks	peak	NNS
39142	1738	16	,	,	,
39142	1738	17	owing	owe	VBG
39142	1738	18	probably	probably	RB
39142	1738	19	to	to	IN
39142	1738	20	the	the	DT
39142	1738	21	lesser	less	JJR
39142	1738	22	surface	surface	NN
39142	1738	23	gravity	gravity	NN
39142	1738	24	on	on	IN
39142	1738	25	the	the	DT
39142	1738	26	moon	moon	NN
39142	1738	27	.	.	.
39142	1739	1	About	about	RB
39142	1739	2	forty	forty	CD
39142	1739	3	lunar	lunar	JJ
39142	1739	4	peaks	peak	NNS
39142	1739	5	are	be	VBP
39142	1739	6	higher	high	JJR
39142	1739	7	than	than	IN
39142	1739	8	Mont	Mont	NNP
39142	1739	9	Blanc	Blanc	NNP
39142	1739	10	.	.	.
39142	1740	1	Most	Most	JJS
39142	1740	2	astronomers	astronomer	NNS
39142	1740	3	regard	regard	VBP
39142	1740	4	it	-PRON-	PRP
39142	1740	5	as	as	IN
39142	1740	6	certain	certain	JJ
39142	1740	7	that	that	IN
39142	1740	8	no	no	DT
39142	1740	9	changes	change	NNS
39142	1740	10	ever	ever	RB
39142	1740	11	take	take	VBP
39142	1740	12	place	place	NN
39142	1740	13	on	on	IN
39142	1740	14	the	the	DT
39142	1740	15	moon	moon	NN
39142	1740	16	;	;	:
39142	1740	17	probably	probably	RB
39142	1740	18	no	no	DT
39142	1740	19	very	very	RB
39142	1740	20	conspicuous	conspicuous	JJ
39142	1740	21	changes	change	NNS
39142	1740	22	ever	ever	RB
39142	1740	23	do	do	VBP
39142	1740	24	.	.	.
39142	1741	1	Some	some	DT
39142	1741	2	,	,	,
39142	1741	3	however	however	RB
39142	1741	4	,	,	,
39142	1741	5	have	have	VBP
39142	1741	6	made	make	VBN
39142	1741	7	out	out	RP
39142	1741	8	a	a	DT
39142	1741	9	fair	fair	JJ
39142	1741	10	case	case	NN
39142	1741	11	for	for	IN
39142	1741	12	comparatively	comparatively	RB
39142	1741	13	recent	recent	JJ
39142	1741	14	changes	change	NNS
39142	1741	15	in	in	IN
39142	1741	16	surface	surface	NN
39142	1741	17	detail	detail	NN
39142	1741	18	.	.	.
39142	1742	1	Extreme	extreme	JJ
39142	1742	2	caution	caution	NN
39142	1742	3	is	be	VBZ
39142	1742	4	necessary	necessary	JJ
39142	1742	5	in	in	IN
39142	1742	6	drawing	draw	VBG
39142	1742	7	conclusions	conclusion	NNS
39142	1742	8	,	,	,
39142	1742	9	because	because	IN
39142	1742	10	the	the	DT
39142	1742	11	varying	vary	VBG
39142	1742	12	changes	change	NNS
39142	1742	13	of	of	IN
39142	1742	14	illumination	illumination	NN
39142	1742	15	from	from	IN
39142	1742	16	one	one	CD
39142	1742	17	phase	phase	NN
39142	1742	18	to	to	IN
39142	1742	19	another	another	DT
39142	1742	20	are	be	VBP
39142	1742	21	themselves	-PRON-	PRP
39142	1742	22	sufficient	sufficient	JJ
39142	1742	23	to	to	TO
39142	1742	24	cause	cause	VB
39142	1742	25	the	the	DT
39142	1742	26	appearance	appearance	NN
39142	1742	27	of	of	IN
39142	1742	28	change	change	NN
39142	1742	29	.	.	.
39142	1743	1	At	at	IN
39142	1743	2	intervals	interval	NNS
39142	1743	3	of	of	IN
39142	1743	4	a	a	DT
39142	1743	5	double	double	JJ
39142	1743	6	lunation	lunation	NN
39142	1743	7	,	,	,
39142	1743	8	equal	equal	JJ
39142	1743	9	to	to	IN
39142	1743	10	fifty	fifty	CD
39142	1743	11	-	-	HYPH
39142	1743	12	nine	nine	CD
39142	1743	13	days	day	NNS
39142	1743	14	,	,	,
39142	1743	15	one	one	CD
39142	1743	16	and	and	CC
39142	1743	17	one	one	CD
39142	1743	18	-	-	HYPH
39142	1743	19	half	half	NN
39142	1743	20	hours	hour	NNS
39142	1743	21	,	,	,
39142	1743	22	the	the	DT
39142	1743	23	terminator	terminator	NN
39142	1743	24	goes	go	VBZ
39142	1743	25	very	very	RB
39142	1743	26	nearly	nearly	RB
39142	1743	27	through	through	IN
39142	1743	28	the	the	DT
39142	1743	29	same	same	JJ
39142	1743	30	objects	object	NNS
39142	1743	31	,	,	,
39142	1743	32	so	so	IN
39142	1743	33	that	that	IN
39142	1743	34	the	the	DT
39142	1743	35	circumstances	circumstance	NNS
39142	1743	36	of	of	IN
39142	1743	37	illumination	illumination	NN
39142	1743	38	are	be	VBP
39142	1743	39	comparable	comparable	JJ
39142	1743	40	.	.	.
39142	1744	1	In	in	IN
39142	1744	2	Mare	Mare	NNP
39142	1744	3	Serenitatis	Serenitatis	NNP
39142	1744	4	the	the	DT
39142	1744	5	little	little	JJ
39142	1744	6	crater	crater	NN
39142	1744	7	named	name	VBN
39142	1744	8	Linné	Linné	NNP
39142	1744	9	was	be	VBD
39142	1744	10	announced	announce	VBN
39142	1744	11	to	to	TO
39142	1744	12	have	have	VB
39142	1744	13	disappeared	disappear	VBN
39142	1744	14	about	about	RB
39142	1744	15	a	a	DT
39142	1744	16	half	half	JJ
39142	1744	17	century	century	NN
39142	1744	18	ago	ago	RB
39142	1744	19	;	;	:
39142	1744	20	subsequently	subsequently	RB
39142	1744	21	it	-PRON-	PRP
39142	1744	22	became	become	VBD
39142	1744	23	visible	visible	JJ
39142	1744	24	again	again	RB
39142	1744	25	and	and	CC
39142	1744	26	other	other	JJ
39142	1744	27	minor	minor	JJ
39142	1744	28	changes	change	NNS
39142	1744	29	were	be	VBD
39142	1744	30	reported	report	VBN
39142	1744	31	,	,	,
39142	1744	32	perhaps	perhaps	RB
39142	1744	33	due	due	JJ
39142	1744	34	to	to	IN
39142	1744	35	falling	fall	VBG
39142	1744	36	in	in	IN
39142	1744	37	of	of	IN
39142	1744	38	the	the	DT
39142	1744	39	walls	wall	NNS
39142	1744	40	of	of	IN
39142	1744	41	the	the	DT
39142	1744	42	crater	crater	NN
39142	1744	43	.	.	.
39142	1745	1	If	if	IN
39142	1745	2	one	one	CD
39142	1745	3	were	be	VBD
39142	1745	4	to	to	TO
39142	1745	5	visit	visit	VB
39142	1745	6	the	the	DT
39142	1745	7	moon	moon	NN
39142	1745	8	,	,	,
39142	1745	9	he	-PRON-	PRP
39142	1745	10	must	must	MD
39142	1745	11	needs	need	VBZ
39142	1745	12	take	take	VB
39142	1745	13	air	air	NN
39142	1745	14	and	and	CC
39142	1745	15	water	water	NN
39142	1745	16	along	along	IN
39142	1745	17	with	with	IN
39142	1745	18	him	-PRON-	PRP
39142	1745	19	,	,	,
39142	1745	20	as	as	RB
39142	1745	21	well	well	RB
39142	1745	22	as	as	IN
39142	1745	23	other	other	JJ
39142	1745	24	sustenance	sustenance	NN
39142	1745	25	.	.	.
39142	1746	1	No	no	DT
39142	1746	2	atmosphere	atmosphere	NN
39142	1746	3	means	mean	VBZ
39142	1746	4	no	no	DT
39142	1746	5	diffused	diffuse	VBN
39142	1746	6	light	light	NN
39142	1746	7	;	;	:
39142	1746	8	we	-PRON-	PRP
39142	1746	9	could	could	MD
39142	1746	10	see	see	VB
39142	1746	11	nothing	nothing	NN
39142	1746	12	unless	unless	IN
39142	1746	13	the	the	DT
39142	1746	14	sun	sun	NN
39142	1746	15	's	's	POS
39142	1746	16	direct	direct	JJ
39142	1746	17	rays	ray	NNS
39142	1746	18	were	be	VBD
39142	1746	19	shining	shine	VBG
39142	1746	20	upon	upon	IN
39142	1746	21	it	-PRON-	PRP
39142	1746	22	.	.	.
39142	1747	1	Anyone	anyone	NN
39142	1747	2	stepping	step	VBG
39142	1747	3	into	into	IN
39142	1747	4	the	the	DT
39142	1747	5	shadow	shadow	NN
39142	1747	6	of	of	IN
39142	1747	7	a	a	DT
39142	1747	8	lunar	lunar	JJ
39142	1747	9	crag	crag	NN
39142	1747	10	would	would	MD
39142	1747	11	become	become	VB
39142	1747	12	wholly	wholly	RB
39142	1747	13	invisible	invisible	JJ
39142	1747	14	.	.	.
39142	1748	1	No	no	DT
39142	1748	2	sound	sound	NN
39142	1748	3	,	,	,
39142	1748	4	however	however	RB
39142	1748	5	loud	loud	JJ
39142	1748	6	,	,	,
39142	1748	7	could	could	MD
39142	1748	8	be	be	VB
39142	1748	9	heard	hear	VBN
39142	1748	10	;	;	:
39142	1748	11	sound	sound	VB
39142	1748	12	in	in	IN
39142	1748	13	fact	fact	NN
39142	1748	14	would	would	MD
39142	1748	15	become	become	VB
39142	1748	16	impossible	impossible	JJ
39142	1748	17	.	.	.
39142	1749	1	A	a	DT
39142	1749	2	rock	rock	NN
39142	1749	3	might	may	MD
39142	1749	4	roll	roll	VB
39142	1749	5	down	down	RP
39142	1749	6	the	the	DT
39142	1749	7	wall	wall	NN
39142	1749	8	of	of	IN
39142	1749	9	a	a	DT
39142	1749	10	lunar	lunar	JJ
39142	1749	11	crater	crater	NN
39142	1749	12	,	,	,
39142	1749	13	but	but	CC
39142	1749	14	there	there	EX
39142	1749	15	would	would	MD
39142	1749	16	be	be	VB
39142	1749	17	no	no	DT
39142	1749	18	noise	noise	NN
39142	1749	19	;	;	:
39142	1749	20	though	though	IN
39142	1749	21	we	-PRON-	PRP
39142	1749	22	should	should	MD
39142	1749	23	know	know	VB
39142	1749	24	what	what	WP
39142	1749	25	had	have	VBD
39142	1749	26	happened	happen	VBN
39142	1749	27	by	by	IN
39142	1749	28	the	the	DT
39142	1749	29	tremor	tremor	NN
39142	1749	30	produced	produce	VBN
39142	1749	31	.	.	.
39142	1750	1	So	so	RB
39142	1750	2	slight	slight	JJ
39142	1750	3	is	be	VBZ
39142	1750	4	gravity	gravity	NN
39142	1750	5	there	there	RB
39142	1750	6	that	that	IN
39142	1750	7	a	a	DT
39142	1750	8	good	good	JJ
39142	1750	9	ball	ball	NN
39142	1750	10	player	player	NN
39142	1750	11	might	may	MD
39142	1750	12	bat	bat	VB
39142	1750	13	a	a	DT
39142	1750	14	baseball	baseball	NN
39142	1750	15	half	half	PDT
39142	1750	16	a	a	DT
39142	1750	17	mile	mile	NN
39142	1750	18	or	or	CC
39142	1750	19	more	more	JJR
39142	1750	20	.	.	.
39142	1751	1	Looking	look	VBG
39142	1751	2	upward	upward	RB
39142	1751	3	,	,	,
39142	1751	4	all	all	PDT
39142	1751	5	the	the	DT
39142	1751	6	stars	star	NNS
39142	1751	7	would	would	MD
39142	1751	8	be	be	VB
39142	1751	9	appreciably	appreciably	RB
39142	1751	10	brighter	bright	JJR
39142	1751	11	than	than	IN
39142	1751	12	here	here	RB
39142	1751	13	,	,	,
39142	1751	14	and	and	CC
39142	1751	15	visible	visible	JJ
39142	1751	16	perpetually	perpetually	RB
39142	1751	17	in	in	IN
39142	1751	18	the	the	DT
39142	1751	19	daytime	daytime	NN
39142	1751	20	as	as	RB
39142	1751	21	well	well	RB
39142	1751	22	as	as	IN
39142	1751	23	at	at	IN
39142	1751	24	night	night	NN
39142	1751	25	.	.	.
39142	1752	1	If	if	IN
39142	1752	2	one	one	CD
39142	1752	3	were	be	VBD
39142	1752	4	to	to	TO
39142	1752	5	go	go	VB
39142	1752	6	to	to	IN
39142	1752	7	the	the	DT
39142	1752	8	opposite	opposite	JJ
39142	1752	9	side	side	NN
39142	1752	10	of	of	IN
39142	1752	11	the	the	DT
39142	1752	12	moon	moon	NN
39142	1752	13	,	,	,
39142	1752	14	he	-PRON-	PRP
39142	1752	15	would	would	MD
39142	1752	16	lose	lose	VB
39142	1752	17	sight	sight	NN
39142	1752	18	of	of	IN
39142	1752	19	the	the	DT
39142	1752	20	earth	earth	NN
39142	1752	21	until	until	IN
39142	1752	22	he	-PRON-	PRP
39142	1752	23	came	come	VBD
39142	1752	24	back	back	RB
39142	1752	25	to	to	IN
39142	1752	26	the	the	DT
39142	1752	27	side	side	NN
39142	1752	28	which	which	WDT
39142	1752	29	is	be	VBZ
39142	1752	30	always	always	RB
39142	1752	31	turned	turn	VBN
39142	1752	32	toward	toward	IN
39142	1752	33	the	the	DT
39142	1752	34	earth	earth	NN
39142	1752	35	.	.	.
39142	1753	1	Even	even	RB
39142	1753	2	then	then	RB
39142	1753	3	the	the	DT
39142	1753	4	earth	earth	NN
39142	1753	5	would	would	MD
39142	1753	6	never	never	RB
39142	1753	7	rise	rise	VB
39142	1753	8	and	and	CC
39142	1753	9	set	set	VB
39142	1753	10	at	at	IN
39142	1753	11	any	any	DT
39142	1753	12	given	give	VBN
39142	1753	13	place	place	NN
39142	1753	14	,	,	,
39142	1753	15	as	as	IN
39142	1753	16	the	the	DT
39142	1753	17	moon	moon	NN
39142	1753	18	does	do	VBZ
39142	1753	19	to	to	IN
39142	1753	20	us	-PRON-	PRP
39142	1753	21	,	,	,
39142	1753	22	but	but	CC
39142	1753	23	would	would	MD
39142	1753	24	remain	remain	VB
39142	1753	25	all	all	PDT
39142	1753	26	the	the	DT
39142	1753	27	time	time	NN
39142	1753	28	at	at	IN
39142	1753	29	about	about	IN
39142	1753	30	the	the	DT
39142	1753	31	same	same	JJ
39142	1753	32	height	height	NN
39142	1753	33	above	above	IN
39142	1753	34	the	the	DT
39142	1753	35	lunar	lunar	JJ
39142	1753	36	horizon	horizon	NN
39142	1753	37	.	.	.
39142	1754	1	The	the	DT
39142	1754	2	earth	earth	NN
39142	1754	3	would	would	MD
39142	1754	4	go	go	VB
39142	1754	5	through	through	IN
39142	1754	6	all	all	PDT
39142	1754	7	the	the	DT
39142	1754	8	phases	phase	NNS
39142	1754	9	that	that	IN
39142	1754	10	the	the	DT
39142	1754	11	moon	moon	NN
39142	1754	12	shows	show	VBZ
39142	1754	13	to	to	IN
39142	1754	14	us	-PRON-	PRP
39142	1754	15	here	here	RB
39142	1754	16	,	,	,
39142	1754	17	full	full	JJ
39142	1754	18	earth	earth	NN
39142	1754	19	occurring	occur	VBG
39142	1754	20	there	there	RB
39142	1754	21	when	when	WRB
39142	1754	22	it	-PRON-	PRP
39142	1754	23	is	be	VBZ
39142	1754	24	new	new	JJ
39142	1754	25	moon	moon	NN
39142	1754	26	here	here	RB
39142	1754	27	.	.	.
39142	1755	1	Our	-PRON-	PRP$
39142	1755	2	globe	globe	NN
39142	1755	3	would	would	MD
39142	1755	4	appear	appear	VB
39142	1755	5	to	to	TO
39142	1755	6	be	be	VB
39142	1755	7	nearly	nearly	RB
39142	1755	8	four	four	CD
39142	1755	9	times	time	NNS
39142	1755	10	broader	broad	JJR
39142	1755	11	than	than	IN
39142	1755	12	the	the	DT
39142	1755	13	moon	moon	NN
39142	1755	14	seems	seem	VBZ
39142	1755	15	to	to	IN
39142	1755	16	us	-PRON-	PRP
39142	1755	17	.	.	.
39142	1756	1	Its	-PRON-	PRP$
39142	1756	2	white	white	JJ
39142	1756	3	polar	polar	JJ
39142	1756	4	caps	cap	NNS
39142	1756	5	of	of	IN
39142	1756	6	ice	ice	NN
39142	1756	7	and	and	CC
39142	1756	8	snow	snow	NN
39142	1756	9	,	,	,
39142	1756	10	its	-PRON-	PRP$
39142	1756	11	dark	dark	JJ
39142	1756	12	oceans	ocean	NNS
39142	1756	13	,	,	,
39142	1756	14	and	and	CC
39142	1756	15	the	the	DT
39142	1756	16	vast	vast	JJ
39142	1756	17	cloud	cloud	NN
39142	1756	18	areas	area	NNS
39142	1756	19	would	would	MD
39142	1756	20	be	be	VB
39142	1756	21	very	very	RB
39142	1756	22	conspicuous	conspicuous	JJ
39142	1756	23	.	.	.
39142	1757	1	Faint	faint	JJ
39142	1757	2	stars	star	NNS
39142	1757	3	,	,	,
39142	1757	4	the	the	DT
39142	1757	5	zodiacal	zodiacal	JJ
39142	1757	6	light	light	NN
39142	1757	7	,	,	,
39142	1757	8	and	and	CC
39142	1757	9	the	the	DT
39142	1757	10	filmy	filmy	NNP
39142	1757	11	solar	solar	JJ
39142	1757	12	corona	corona	NN
39142	1757	13	would	would	MD
39142	1757	14	be	be	VB
39142	1757	15	visible	visible	JJ
39142	1757	16	,	,	,
39142	1757	17	probably	probably	RB
39142	1757	18	even	even	RB
39142	1757	19	close	close	VB
39142	1757	20	up	up	RP
39142	1757	21	to	to	IN
39142	1757	22	the	the	DT
39142	1757	23	sun	sun	NN
39142	1757	24	's	's	POS
39142	1757	25	edge	edge	NN
39142	1757	26	;	;	:
39142	1757	27	but	but	CC
39142	1757	28	although	although	IN
39142	1757	29	his	-PRON-	PRP$
39142	1757	30	rays	ray	NNS
39142	1757	31	might	may	MD
39142	1757	32	shine	shine	VB
39142	1757	33	upon	upon	IN
39142	1757	34	the	the	DT
39142	1757	35	lunar	lunar	JJ
39142	1757	36	rocks	rock	NNS
39142	1757	37	without	without	IN
39142	1757	38	intermission	intermission	NN
39142	1757	39	for	for	IN
39142	1757	40	a	a	DT
39142	1757	41	fortnight	fortnight	NN
39142	1757	42	,	,	,
39142	1757	43	probably	probably	RB
39142	1757	44	they	-PRON-	PRP
39142	1757	45	would	would	MD
39142	1757	46	still	still	RB
39142	1757	47	be	be	VB
39142	1757	48	too	too	RB
39142	1757	49	cold	cold	JJ
39142	1757	50	to	to	TO
39142	1757	51	touch	touch	VB
39142	1757	52	with	with	IN
39142	1757	53	safety	safety	NN
39142	1757	54	.	.	.
39142	1758	1	On	on	IN
39142	1758	2	the	the	DT
39142	1758	3	side	side	NN
39142	1758	4	of	of	IN
39142	1758	5	the	the	DT
39142	1758	6	moon	moon	NN
39142	1758	7	turned	turn	VBD
39142	1758	8	away	away	RB
39142	1758	9	from	from	IN
39142	1758	10	the	the	DT
39142	1758	11	sun	sun	NN
39142	1758	12	,	,	,
39142	1758	13	the	the	DT
39142	1758	14	temperature	temperature	NN
39142	1758	15	of	of	IN
39142	1758	16	the	the	DT
39142	1758	17	moon	moon	NN
39142	1758	18	's	's	POS
39142	1758	19	surface	surface	NN
39142	1758	20	would	would	MD
39142	1758	21	fall	fall	VB
39142	1758	22	to	to	IN
39142	1758	23	that	that	DT
39142	1758	24	of	of	IN
39142	1758	25	space	space	NN
39142	1758	26	,	,	,
39142	1758	27	or	or	CC
39142	1758	28	many	many	JJ
39142	1758	29	hundred	hundred	CD
39142	1758	30	degrees	degree	NNS
39142	1758	31	below	below	IN
39142	1758	32	zero	zero	CD
39142	1758	33	.	.	.
39142	1759	1	CHAPTER	chapter	NN
39142	1759	2	XXIX	XXIX	NNP
39142	1759	3	ECLIPSES	eclipse	NNS
39142	1759	4	OF	of	IN
39142	1759	5	THE	the	DT
39142	1759	6	MOON	moon	NN
39142	1759	7	Of	of	IN
39142	1759	8	all	all	PDT
39142	1759	9	the	the	DT
39142	1759	10	weird	weird	JJ
39142	1759	11	happenings	happening	NNS
39142	1759	12	of	of	IN
39142	1759	13	the	the	DT
39142	1759	14	nighttime	nighttime	NN
39142	1759	15	sky	sky	NN
39142	1759	16	,	,	,
39142	1759	17	eclipses	eclipse	VBZ
39142	1759	18	of	of	IN
39142	1759	19	the	the	DT
39142	1759	20	moon	moon	NN
39142	1759	21	are	be	VBP
39142	1759	22	the	the	DT
39142	1759	23	most	most	RBS
39142	1759	24	impressive	impressive	JJ
39142	1759	25	.	.	.
39142	1760	1	Rarely	rarely	RB
39142	1760	2	is	be	VBZ
39142	1760	3	there	there	EX
39142	1760	4	a	a	DT
39142	1760	5	year	year	NN
39142	1760	6	without	without	IN
39142	1760	7	one	one	CD
39142	1760	8	.	.	.
39142	1761	1	What	what	WP
39142	1761	2	is	be	VBZ
39142	1761	3	the	the	DT
39142	1761	4	cause	cause	NN
39142	1761	5	?	?	.
39142	1762	1	Simply	simply	RB
39142	1762	2	the	the	DT
39142	1762	3	earth	earth	NN
39142	1762	4	getting	get	VBG
39142	1762	5	in	in	RP
39142	1762	6	between	between	IN
39142	1762	7	sun	sun	NN
39142	1762	8	and	and	CC
39142	1762	9	moon	moon	NN
39142	1762	10	,	,	,
39142	1762	11	and	and	CC
39142	1762	12	thereby	thereby	RB
39142	1762	13	shutting	shut	VBG
39142	1762	14	off	off	RP
39142	1762	15	the	the	DT
39142	1762	16	sunlight	sunlight	NN
39142	1762	17	which	which	WDT
39142	1762	18	at	at	IN
39142	1762	19	all	all	DT
39142	1762	20	other	other	JJ
39142	1762	21	times	time	NNS
39142	1762	22	enables	enable	VBZ
39142	1762	23	us	-PRON-	PRP
39142	1762	24	to	to	TO
39142	1762	25	see	see	VB
39142	1762	26	the	the	DT
39142	1762	27	moon	moon	NN
39142	1762	28	.	.	.
39142	1763	1	As	as	IN
39142	1763	2	the	the	DT
39142	1763	3	earth	earth	NN
39142	1763	4	is	be	VBZ
39142	1763	5	a	a	DT
39142	1763	6	dark	dark	JJ
39142	1763	7	body	body	NN
39142	1763	8	it	-PRON-	PRP
39142	1763	9	must	must	MD
39142	1763	10	cast	cast	VB
39142	1763	11	a	a	DT
39142	1763	12	black	black	JJ
39142	1763	13	shadow	shadow	NN
39142	1763	14	on	on	IN
39142	1763	15	the	the	DT
39142	1763	16	side	side	NN
39142	1763	17	away	away	RB
39142	1763	18	from	from	IN
39142	1763	19	the	the	DT
39142	1763	20	sun	sun	NN
39142	1763	21	,	,	,
39142	1763	22	and	and	CC
39142	1763	23	it	-PRON-	PRP
39142	1763	24	is	be	VBZ
39142	1763	25	the	the	DT
39142	1763	26	moon	moon	NN
39142	1763	27	's	be	VBZ
39142	1763	28	passing	passing	NN
39142	1763	29	into	into	IN
39142	1763	30	this	this	DT
39142	1763	31	shadow	shadow	NN
39142	1763	32	or	or	CC
39142	1763	33	some	some	DT
39142	1763	34	part	part	NN
39142	1763	35	of	of	IN
39142	1763	36	it	-PRON-	PRP
39142	1763	37	that	that	WDT
39142	1763	38	causes	cause	VBZ
39142	1763	39	a	a	DT
39142	1763	40	lunar	lunar	JJ
39142	1763	41	eclipse	eclipse	NN
39142	1763	42	.	.	.
39142	1764	1	Sun	Sun	NNP
39142	1764	2	and	and	CC
39142	1764	3	earth	earth	NN
39142	1764	4	being	be	VBG
39142	1764	5	so	so	RB
39142	1764	6	different	different	JJ
39142	1764	7	in	in	IN
39142	1764	8	size	size	NN
39142	1764	9	,	,	,
39142	1764	10	the	the	DT
39142	1764	11	earth	earth	NN
39142	1764	12	's	's	POS
39142	1764	13	shadow	shadow	NN
39142	1764	14	must	must	MD
39142	1764	15	stretch	stretch	VB
39142	1764	16	away	away	RB
39142	1764	17	from	from	IN
39142	1764	18	it	-PRON-	PRP
39142	1764	19	into	into	IN
39142	1764	20	space	space	NN
39142	1764	21	,	,	,
39142	1764	22	growing	grow	VBG
39142	1764	23	smaller	small	JJR
39142	1764	24	and	and	CC
39142	1764	25	smaller	small	JJR
39142	1764	26	,	,	,
39142	1764	27	until	until	IN
39142	1764	28	at	at	IN
39142	1764	29	length	length	NN
39142	1764	30	it	-PRON-	PRP
39142	1764	31	comes	come	VBZ
39142	1764	32	to	to	IN
39142	1764	33	an	an	DT
39142	1764	34	end	end	NN
39142	1764	35	--	--	:
39142	1764	36	the	the	DT
39142	1764	37	apex	apex	NN
39142	1764	38	of	of	IN
39142	1764	39	a	a	DT
39142	1764	40	cone	cone	NN
39142	1764	41	857,000	857,000	CD
39142	1764	42	miles	mile	NNS
39142	1764	43	long	long	JJ
39142	1764	44	.	.	.
39142	1765	1	If	if	IN
39142	1765	2	we	-PRON-	PRP
39142	1765	3	cut	cut	VBD
39142	1765	4	off	off	RP
39142	1765	5	this	this	DT
39142	1765	6	shadow	shadow	NN
39142	1765	7	at	at	IN
39142	1765	8	the	the	DT
39142	1765	9	moon	moon	NN
39142	1765	10	's	's	POS
39142	1765	11	distance	distance	NN
39142	1765	12	from	from	IN
39142	1765	13	the	the	DT
39142	1765	14	earth	earth	NN
39142	1765	15	,	,	,
39142	1765	16	we	-PRON-	PRP
39142	1765	17	find	find	VBP
39142	1765	18	it	-PRON-	PRP
39142	1765	19	about	about	RB
39142	1765	20	6,000	6,000	CD
39142	1765	21	miles	mile	NNS
39142	1765	22	in	in	IN
39142	1765	23	diameter	diameter	NN
39142	1765	24	at	at	IN
39142	1765	25	that	that	DT
39142	1765	26	point	point	NN
39142	1765	27	;	;	:
39142	1765	28	and	and	CC
39142	1765	29	this	this	DT
39142	1765	30	accounts	account	VBZ
39142	1765	31	for	for	IN
39142	1765	32	the	the	DT
39142	1765	33	fact	fact	NN
39142	1765	34	that	that	IN
39142	1765	35	the	the	DT
39142	1765	36	curvature	curvature	NN
39142	1765	37	on	on	IN
39142	1765	38	the	the	DT
39142	1765	39	side	side	NN
39142	1765	40	of	of	IN
39142	1765	41	the	the	DT
39142	1765	42	moon	moon	NN
39142	1765	43	,	,	,
39142	1765	44	when	when	WRB
39142	1765	45	the	the	DT
39142	1765	46	eclipse	eclipse	NN
39142	1765	47	is	be	VBZ
39142	1765	48	coming	come	VBG
39142	1765	49	on	on	RP
39142	1765	50	and	and	CC
39142	1765	51	where	where	WRB
39142	1765	52	it	-PRON-	PRP
39142	1765	53	is	be	VBZ
39142	1765	54	dropping	drop	VBG
39142	1765	55	into	into	IN
39142	1765	56	the	the	DT
39142	1765	57	shadow	shadow	NN
39142	1765	58	,	,	,
39142	1765	59	is	be	VBZ
39142	1765	60	always	always	RB
39142	1765	61	much	much	RB
39142	1765	62	less	less	RBR
39142	1765	63	rapid	rapid	JJ
39142	1765	64	than	than	IN
39142	1765	65	the	the	DT
39142	1765	66	curvature	curvature	NN
39142	1765	67	of	of	IN
39142	1765	68	the	the	DT
39142	1765	69	moon	moon	NN
39142	1765	70	's	's	POS
39142	1765	71	own	own	JJ
39142	1765	72	disk	disk	NN
39142	1765	73	is	be	VBZ
39142	1765	74	.	.	.
39142	1766	1	When	when	WRB
39142	1766	2	an	an	DT
39142	1766	3	eclipse	eclipse	NN
39142	1766	4	is	be	VBZ
39142	1766	5	approaching	approach	VBG
39142	1766	6	,	,	,
39142	1766	7	the	the	DT
39142	1766	8	eastern	eastern	JJ
39142	1766	9	limb	limb	NN
39142	1766	10	will	will	MD
39142	1766	11	be	be	VB
39142	1766	12	duskily	duskily	RB
39142	1766	13	darkened	darken	VBN
39142	1766	14	for	for	IN
39142	1766	15	half	half	PDT
39142	1766	16	an	an	DT
39142	1766	17	hour	hour	NN
39142	1766	18	or	or	CC
39142	1766	19	more	more	JJR
39142	1766	20	,	,	,
39142	1766	21	because	because	IN
39142	1766	22	the	the	DT
39142	1766	23	moon	moon	NN
39142	1766	24	must	must	MD
39142	1766	25	first	first	RB
39142	1766	26	pass	pass	VB
39142	1766	27	through	through	RP
39142	1766	28	the	the	DT
39142	1766	29	outer	outer	JJ
39142	1766	30	penumbra	penumbra	NN
39142	1766	31	,	,	,
39142	1766	32	or	or	CC
39142	1766	33	half	half	JJ
39142	1766	34	-	-	HYPH
39142	1766	35	shadow	shadow	NN
39142	1766	36	which	which	WDT
39142	1766	37	everywhere	everywhere	RB
39142	1766	38	surrounds	surround	VBZ
39142	1766	39	the	the	DT
39142	1766	40	true	true	JJ
39142	1766	41	shadow	shadow	NN
39142	1766	42	itself	-PRON-	PRP
39142	1766	43	.	.	.
39142	1767	1	If	if	IN
39142	1767	2	the	the	DT
39142	1767	3	moon	moon	NN
39142	1767	4	hits	hit	VBZ
39142	1767	5	only	only	RB
39142	1767	6	the	the	DT
39142	1767	7	upper	upper	JJ
39142	1767	8	or	or	CC
39142	1767	9	lower	low	JJR
39142	1767	10	part	part	NN
39142	1767	11	of	of	IN
39142	1767	12	the	the	DT
39142	1767	13	shadow	shadow	NN
39142	1767	14	,	,	,
39142	1767	15	the	the	DT
39142	1767	16	eclipse	eclipse	NN
39142	1767	17	will	will	MD
39142	1767	18	be	be	VB
39142	1767	19	only	only	RB
39142	1767	20	partial	partial	JJ
39142	1767	21	,	,	,
39142	1767	22	and	and	CC
39142	1767	23	during	during	IN
39142	1767	24	the	the	DT
39142	1767	25	progress	progress	NN
39142	1767	26	of	of	IN
39142	1767	27	the	the	DT
39142	1767	28	eclipse	eclipse	NN
39142	1767	29	it	-PRON-	PRP
39142	1767	30	will	will	MD
39142	1767	31	seem	seem	VB
39142	1767	32	as	as	IN
39142	1767	33	if	if	IN
39142	1767	34	the	the	DT
39142	1767	35	uneclipsed	uneclipsed	JJ
39142	1767	36	part	part	NN
39142	1767	37	had	have	VBD
39142	1767	38	swung	swing	VBN
39142	1767	39	or	or	CC
39142	1767	40	twisted	twist	VBN
39142	1767	41	around	around	RB
39142	1767	42	in	in	IN
39142	1767	43	the	the	DT
39142	1767	44	sky	sky	NN
39142	1767	45	,	,	,
39142	1767	46	from	from	IN
39142	1767	47	the	the	DT
39142	1767	48	western	western	JJ
39142	1767	49	limb	limb	NN
39142	1767	50	of	of	IN
39142	1767	51	the	the	DT
39142	1767	52	moon	moon	NN
39142	1767	53	to	to	IN
39142	1767	54	the	the	DT
39142	1767	55	eastern	eastern	NNP
39142	1767	56	.	.	.
39142	1768	1	But	but	CC
39142	1768	2	when	when	WRB
39142	1768	3	the	the	DT
39142	1768	4	moon	moon	NN
39142	1768	5	passes	pass	VBZ
39142	1768	6	through	through	IN
39142	1768	7	the	the	DT
39142	1768	8	middle	middle	JJ
39142	1768	9	regions	region	NNS
39142	1768	10	of	of	IN
39142	1768	11	the	the	DT
39142	1768	12	shadow	shadow	NN
39142	1768	13	,	,	,
39142	1768	14	the	the	DT
39142	1768	15	eclipse	eclipse	NN
39142	1768	16	is	be	VBZ
39142	1768	17	always	always	RB
39142	1768	18	total	total	JJ
39142	1768	19	,	,	,
39142	1768	20	and	and	CC
39142	1768	21	direct	direct	JJ
39142	1768	22	sunlight	sunlight	NN
39142	1768	23	is	be	VBZ
39142	1768	24	wholly	wholly	RB
39142	1768	25	cut	cut	VBN
39142	1768	26	off	off	RP
39142	1768	27	from	from	IN
39142	1768	28	every	every	DT
39142	1768	29	part	part	NN
39142	1768	30	of	of	IN
39142	1768	31	the	the	DT
39142	1768	32	moon	moon	NN
39142	1768	33	's	's	POS
39142	1768	34	face	face	NN
39142	1768	35	,	,	,
39142	1768	36	for	for	IN
39142	1768	37	a	a	DT
39142	1768	38	greater	great	JJR
39142	1768	39	or	or	CC
39142	1768	40	less	less	JJR
39142	1768	41	length	length	NN
39142	1768	42	of	of	IN
39142	1768	43	time	time	NN
39142	1768	44	,	,	,
39142	1768	45	according	accord	VBG
39142	1768	46	to	to	IN
39142	1768	47	the	the	DT
39142	1768	48	part	part	NN
39142	1768	49	of	of	IN
39142	1768	50	the	the	DT
39142	1768	51	shadow	shadow	NN
39142	1768	52	through	through	IN
39142	1768	53	which	which	WDT
39142	1768	54	it	-PRON-	PRP
39142	1768	55	passes	pass	VBZ
39142	1768	56	.	.	.
39142	1769	1	When	when	WRB
39142	1769	2	passing	pass	VBG
39142	1769	3	centrally	centrally	RB
39142	1769	4	through	through	IN
39142	1769	5	the	the	DT
39142	1769	6	shadow	shadow	NN
39142	1769	7	,	,	,
39142	1769	8	the	the	DT
39142	1769	9	total	total	JJ
39142	1769	10	eclipse	eclipse	NN
39142	1769	11	will	will	MD
39142	1769	12	last	last	VB
39142	1769	13	about	about	RB
39142	1769	14	two	two	CD
39142	1769	15	hours	hour	NNS
39142	1769	16	,	,	,
39142	1769	17	as	as	IN
39142	1769	18	the	the	DT
39142	1769	19	moon	moon	NN
39142	1769	20	's	's	POS
39142	1769	21	diameter	diameter	NN
39142	1769	22	is	be	VBZ
39142	1769	23	about	about	RB
39142	1769	24	one	one	CD
39142	1769	25	-	-	HYPH
39142	1769	26	third	third	NN
39142	1769	27	of	of	IN
39142	1769	28	the	the	DT
39142	1769	29	breadth	breadth	NN
39142	1769	30	of	of	IN
39142	1769	31	the	the	DT
39142	1769	32	shadow	shadow	NN
39142	1769	33	;	;	:
39142	1769	34	and	and	CC
39142	1769	35	the	the	DT
39142	1769	36	eclipse	eclipse	NN
39142	1769	37	will	will	MD
39142	1769	38	be	be	VB
39142	1769	39	partial	partial	JJ
39142	1769	40	about	about	RB
39142	1769	41	two	two	CD
39142	1769	42	hours	hour	NNS
39142	1769	43	longer	long	RBR
39142	1769	44	,	,	,
39142	1769	45	an	an	DT
39142	1769	46	hour	hour	NN
39142	1769	47	at	at	IN
39142	1769	48	beginning	beginning	NN
39142	1769	49	and	and	CC
39142	1769	50	an	an	DT
39142	1769	51	hour	hour	NN
39142	1769	52	at	at	IN
39142	1769	53	the	the	DT
39142	1769	54	end	end	NN
39142	1769	55	,	,	,
39142	1769	56	because	because	IN
39142	1769	57	the	the	DT
39142	1769	58	moon	moon	NN
39142	1769	59	moves	move	VBZ
39142	1769	60	over	over	IN
39142	1769	61	her	-PRON-	PRP$
39142	1769	62	own	own	JJ
39142	1769	63	breadth	breadth	NN
39142	1769	64	in	in	IN
39142	1769	65	about	about	RB
39142	1769	66	an	an	DT
39142	1769	67	hour	hour	NN
39142	1769	68	.	.	.
39142	1770	1	While	while	IN
39142	1770	2	the	the	DT
39142	1770	3	moon	moon	NN
39142	1770	4	is	be	VBZ
39142	1770	5	wholly	wholly	RB
39142	1770	6	immersed	immerse	VBN
39142	1770	7	in	in	IN
39142	1770	8	the	the	DT
39142	1770	9	shadow	shadow	NN
39142	1770	10	,	,	,
39142	1770	11	her	-PRON-	PRP$
39142	1770	12	body	body	NN
39142	1770	13	is	be	VBZ
39142	1770	14	nevertheless	nevertheless	RB
39142	1770	15	visible	visible	JJ
39142	1770	16	,	,	,
39142	1770	17	as	as	IN
39142	1770	18	a	a	DT
39142	1770	19	dull	dull	JJ
39142	1770	20	tarnished	tarnished	JJ
39142	1770	21	copper	copper	NN
39142	1770	22	disk	disk	NN
39142	1770	23	;	;	:
39142	1770	24	and	and	CC
39142	1770	25	this	this	DT
39142	1770	26	is	be	VBZ
39142	1770	27	caused	cause	VBN
39142	1770	28	by	by	IN
39142	1770	29	the	the	DT
39142	1770	30	reddish	reddish	JJ
39142	1770	31	sunlight	sunlight	NN
39142	1770	32	which	which	WDT
39142	1770	33	grazes	graze	VBZ
39142	1770	34	the	the	DT
39142	1770	35	earth	earth	NN
39142	1770	36	all	all	RB
39142	1770	37	around	around	RB
39142	1770	38	and	and	CC
39142	1770	39	is	be	VBZ
39142	1770	40	refracted	refract	VBN
39142	1770	41	or	or	CC
39142	1770	42	bent	bent	JJ
39142	1770	43	by	by	IN
39142	1770	44	our	-PRON-	PRP$
39142	1770	45	atmosphere	atmosphere	NN
39142	1770	46	into	into	IN
39142	1770	47	the	the	DT
39142	1770	48	shadow	shadow	NN
39142	1770	49	itself	-PRON-	PRP
39142	1770	50	.	.	.
39142	1771	1	If	if	IN
39142	1771	2	this	this	DT
39142	1771	3	belt	belt	NN
39142	1771	4	or	or	CC
39142	1771	5	ring	ring	NN
39142	1771	6	of	of	IN
39142	1771	7	terrestrial	terrestrial	JJ
39142	1771	8	atmosphere	atmosphere	NN
39142	1771	9	happens	happen	VBZ
39142	1771	10	to	to	TO
39142	1771	11	be	be	VB
39142	1771	12	everywhere	everywhere	RB
39142	1771	13	filled	fill	VBN
39142	1771	14	with	with	IN
39142	1771	15	dense	dense	JJ
39142	1771	16	clouds	cloud	NNS
39142	1771	17	,	,	,
39142	1771	18	as	as	IN
39142	1771	19	was	be	VBD
39142	1771	20	the	the	DT
39142	1771	21	case	case	NN
39142	1771	22	in	in	IN
39142	1771	23	1886	1886	CD
39142	1771	24	,	,	,
39142	1771	25	even	even	RB
39142	1771	26	the	the	DT
39142	1771	27	familiar	familiar	JJ
39142	1771	28	copper	copper	NN
39142	1771	29	moon	moon	NN
39142	1771	30	of	of	IN
39142	1771	31	a	a	DT
39142	1771	32	total	total	JJ
39142	1771	33	lunar	lunar	JJ
39142	1771	34	eclipse	eclipse	NN
39142	1771	35	disappears	disappear	VBZ
39142	1771	36	completely	completely	RB
39142	1771	37	in	in	IN
39142	1771	38	the	the	DT
39142	1771	39	black	black	JJ
39142	1771	40	sky	sky	NN
39142	1771	41	.	.	.
39142	1772	1	Quite	quite	RB
39142	1772	2	different	different	JJ
39142	1772	3	from	from	IN
39142	1772	4	a	a	DT
39142	1772	5	solar	solar	JJ
39142	1772	6	eclipse	eclipse	NN
39142	1772	7	,	,	,
39142	1772	8	all	all	PDT
39142	1772	9	the	the	DT
39142	1772	10	phases	phase	NNS
39142	1772	11	of	of	IN
39142	1772	12	a	a	DT
39142	1772	13	lunar	lunar	JJ
39142	1772	14	eclipse	eclipse	NN
39142	1772	15	are	be	VBP
39142	1772	16	visible	visible	JJ
39142	1772	17	at	at	IN
39142	1772	18	the	the	DT
39142	1772	19	same	same	JJ
39142	1772	20	time	time	NN
39142	1772	21	on	on	IN
39142	1772	22	the	the	DT
39142	1772	23	earth	earth	NN
39142	1772	24	wherever	wherever	WRB
39142	1772	25	the	the	DT
39142	1772	26	moon	moon	NN
39142	1772	27	is	be	VBZ
39142	1772	28	above	above	IN
39142	1772	29	the	the	DT
39142	1772	30	horizon	horizon	NN
39142	1772	31	.	.	.
39142	1773	1	Eclipses	eclipse	NNS
39142	1773	2	of	of	IN
39142	1773	3	the	the	DT
39142	1773	4	moon	moon	NN
39142	1773	5	are	be	VBP
39142	1773	6	therefore	therefore	RB
39142	1773	7	seen	see	VBN
39142	1773	8	with	with	IN
39142	1773	9	great	great	JJ
39142	1773	10	frequency	frequency	NN
39142	1773	11	at	at	IN
39142	1773	12	any	any	DT
39142	1773	13	given	give	VBN
39142	1773	14	place	place	NN
39142	1773	15	as	as	IN
39142	1773	16	compared	compare	VBN
39142	1773	17	with	with	IN
39142	1773	18	solar	solar	JJ
39142	1773	19	eclipses	eclipse	NNS
39142	1773	20	,	,	,
39142	1773	21	which	which	WDT
39142	1773	22	are	be	VBP
39142	1773	23	restricted	restrict	VBN
39142	1773	24	to	to	TO
39142	1773	25	relatively	relatively	RB
39142	1773	26	narrow	narrow	JJ
39142	1773	27	areas	area	NNS
39142	1773	28	of	of	IN
39142	1773	29	the	the	DT
39142	1773	30	earth	earth	NN
39142	1773	31	's	's	POS
39142	1773	32	surface	surface	NN
39142	1773	33	.	.	.
39142	1774	1	Nor	nor	CC
39142	1774	2	are	be	VBP
39142	1774	3	lunar	lunar	JJ
39142	1774	4	eclipses	eclipse	NNS
39142	1774	5	of	of	IN
39142	1774	6	very	very	RB
39142	1774	7	much	much	JJ
39142	1774	8	significance	significance	NN
39142	1774	9	to	to	IN
39142	1774	10	the	the	DT
39142	1774	11	astronomer	astronomer	NN
39142	1774	12	,	,	,
39142	1774	13	mainly	mainly	RB
39142	1774	14	because	because	IN
39142	1774	15	of	of	IN
39142	1774	16	the	the	DT
39142	1774	17	slowness	slowness	NN
39142	1774	18	and	and	CC
39142	1774	19	indefiniteness	indefiniteness	NN
39142	1774	20	of	of	IN
39142	1774	21	the	the	DT
39142	1774	22	phenomena	phenomenon	NNS
39142	1774	23	.	.	.
39142	1775	1	It	-PRON-	PRP
39142	1775	2	is	be	VBZ
39142	1775	3	a	a	DT
39142	1775	4	good	good	JJ
39142	1775	5	time	time	NN
39142	1775	6	to	to	TO
39142	1775	7	observe	observe	VB
39142	1775	8	occultations	occultation	NNS
39142	1775	9	of	of	IN
39142	1775	10	faint	faint	JJ
39142	1775	11	stars	star	NNS
39142	1775	12	at	at	IN
39142	1775	13	the	the	DT
39142	1775	14	moon	moon	NN
39142	1775	15	's	's	POS
39142	1775	16	edge	edge	NN
39142	1775	17	or	or	CC
39142	1775	18	limb	limb	NN
39142	1775	19	,	,	,
39142	1775	20	and	and	CC
39142	1775	21	several	several	JJ
39142	1775	22	such	such	JJ
39142	1775	23	programs	program	NNS
39142	1775	24	have	have	VBP
39142	1775	25	been	be	VBN
39142	1775	26	carried	carry	VBN
39142	1775	27	out	out	RP
39142	1775	28	by	by	IN
39142	1775	29	cooperation	cooperation	NN
39142	1775	30	of	of	IN
39142	1775	31	observatories	observatory	NNS
39142	1775	32	in	in	IN
39142	1775	33	widely	widely	RB
39142	1775	34	separate	separate	JJ
39142	1775	35	regions	region	NNS
39142	1775	36	of	of	IN
39142	1775	37	the	the	DT
39142	1775	38	world	world	NN
39142	1775	39	:	:	:
39142	1775	40	the	the	DT
39142	1775	41	object	object	NN
39142	1775	42	being	be	VBG
39142	1775	43	improvement	improvement	NN
39142	1775	44	in	in	IN
39142	1775	45	our	-PRON-	PRP$
39142	1775	46	knowledge	knowledge	NN
39142	1775	47	of	of	IN
39142	1775	48	the	the	DT
39142	1775	49	distance	distance	NN
39142	1775	50	of	of	IN
39142	1775	51	the	the	DT
39142	1775	52	moon	moon	NN
39142	1775	53	,	,	,
39142	1775	54	and	and	CC
39142	1775	55	in	in	IN
39142	1775	56	the	the	DT
39142	1775	57	accuracy	accuracy	NN
39142	1775	58	of	of	IN
39142	1775	59	the	the	DT
39142	1775	60	mathematical	mathematical	JJ
39142	1775	61	tables	table	NNS
39142	1775	62	of	of	IN
39142	1775	63	her	-PRON-	PRP$
39142	1775	64	motion	motion	NN
39142	1775	65	.	.	.
39142	1776	1	Search	search	VB
39142	1776	2	by	by	IN
39142	1776	3	photography	photography	NN
39142	1776	4	for	for	IN
39142	1776	5	a	a	DT
39142	1776	6	possible	possible	JJ
39142	1776	7	satellite	satellite	NN
39142	1776	8	,	,	,
39142	1776	9	or	or	CC
39142	1776	10	moon	moon	NN
39142	1776	11	of	of	IN
39142	1776	12	the	the	DT
39142	1776	13	moon	moon	NN
39142	1776	14	,	,	,
39142	1776	15	has	have	VBZ
39142	1776	16	been	be	VBN
39142	1776	17	made	make	VBN
39142	1776	18	on	on	IN
39142	1776	19	several	several	JJ
39142	1776	20	occasions	occasion	NNS
39142	1776	21	,	,	,
39142	1776	22	though	though	RB
39142	1776	23	without	without	IN
39142	1776	24	success	success	NN
39142	1776	25	.	.	.
39142	1777	1	A	a	DT
39142	1777	2	lunar	lunar	JJ
39142	1777	3	eclipse	eclipse	NN
39142	1777	4	was	be	VBD
39142	1777	5	first	first	RB
39142	1777	6	observed	observe	VBN
39142	1777	7	and	and	CC
39142	1777	8	photographed	photograph	VBN
39142	1777	9	from	from	IN
39142	1777	10	an	an	DT
39142	1777	11	aeroplane	aeroplane	NN
39142	1777	12	,	,	,
39142	1777	13	May	May	NNP
39142	1777	14	2	2	CD
39142	1777	15	,	,	,
39142	1777	16	1920	1920	CD
39142	1777	17	.	.	.
39142	1778	1	At	at	IN
39142	1778	2	the	the	DT
39142	1778	3	request	request	NN
39142	1778	4	of	of	IN
39142	1778	5	the	the	DT
39142	1778	6	writer	writer	NN
39142	1778	7	,	,	,
39142	1778	8	two	two	CD
39142	1778	9	aviators	aviator	NNS
39142	1778	10	of	of	IN
39142	1778	11	the	the	DT
39142	1778	12	United	United	NNP
39142	1778	13	States	States	NNP
39142	1778	14	navy	navy	NNP
39142	1778	15	ascended	ascend	VBD
39142	1778	16	to	to	IN
39142	1778	17	a	a	DT
39142	1778	18	height	height	NN
39142	1778	19	of	of	IN
39142	1778	20	15,000	15,000	CD
39142	1778	21	feet	foot	NNS
39142	1778	22	above	above	IN
39142	1778	23	Rockaway	Rockaway	NNP
39142	1778	24	,	,	,
39142	1778	25	and	and	CC
39142	1778	26	secured	secure	VBD
39142	1778	27	many	many	JJ
39142	1778	28	advantages	advantage	NNS
39142	1778	29	accruing	accrue	VBG
39142	1778	30	from	from	IN
39142	1778	31	great	great	JJ
39142	1778	32	elevation	elevation	NN
39142	1778	33	in	in	IN
39142	1778	34	viewing	view	VBG
39142	1778	35	a	a	DT
39142	1778	36	celestial	celestial	JJ
39142	1778	37	phenomenon	phenomenon	NN
39142	1778	38	of	of	IN
39142	1778	39	this	this	DT
39142	1778	40	character	character	NN
39142	1778	41	.	.	.
39142	1779	1	CHAPTER	CHAPTER	NNP
39142	1779	2	XXX	XXX	NNP
39142	1779	3	TOTAL	TOTAL	NNP
39142	1779	4	ECLIPSES	eclipse	NNS
39142	1779	5	OF	of	IN
39142	1779	6	THE	the	DT
39142	1779	7	SUN	SUN	NNP
39142	1779	8	Primitive	Primitive	NNP
39142	1779	9	peoples	people	NNS
39142	1779	10	indulged	indulge	VBN
39142	1779	11	in	in	IN
39142	1779	12	every	every	DT
39142	1779	13	variety	variety	NN
39142	1779	14	of	of	IN
39142	1779	15	explanation	explanation	NN
39142	1779	16	of	of	IN
39142	1779	17	mysterious	mysterious	JJ
39142	1779	18	happenings	happening	NNS
39142	1779	19	in	in	IN
39142	1779	20	the	the	DT
39142	1779	21	sky	sky	NN
39142	1779	22	.	.	.
39142	1780	1	To	to	IN
39142	1780	2	the	the	DT
39142	1780	3	Chinese	Chinese	NNPS
39142	1780	4	and	and	CC
39142	1780	5	all	all	RB
39142	1780	6	through	through	IN
39142	1780	7	India	India	NNP
39142	1780	8	,	,	,
39142	1780	9	a	a	DT
39142	1780	10	total	total	JJ
39142	1780	11	eclipse	eclipse	NN
39142	1780	12	of	of	IN
39142	1780	13	the	the	DT
39142	1780	14	sun	sun	NN
39142	1780	15	is	be	VBZ
39142	1780	16	caused	cause	VBN
39142	1780	17	by	by	IN
39142	1780	18	"	"	``
39142	1780	19	a	a	DT
39142	1780	20	certain	certain	JJ
39142	1780	21	dragon	dragon	NN
39142	1780	22	with	with	IN
39142	1780	23	very	very	RB
39142	1780	24	black	black	JJ
39142	1780	25	claws	claws	NN
39142	1780	26	,	,	,
39142	1780	27	"	"	''
39142	1780	28	who	who	WP
39142	1780	29	,	,	,
39142	1780	30	except	except	IN
39142	1780	31	for	for	IN
39142	1780	32	their	-PRON-	PRP$
39142	1780	33	frightening	frightening	JJ
39142	1780	34	him	-PRON-	PRP
39142	1780	35	away	away	RB
39142	1780	36	by	by	IN
39142	1780	37	every	every	DT
39142	1780	38	conceivable	conceivable	JJ
39142	1780	39	sort	sort	NN
39142	1780	40	of	of	IN
39142	1780	41	hideous	hideous	JJ
39142	1780	42	noise	noise	NN
39142	1780	43	,	,	,
39142	1780	44	would	would	MD
39142	1780	45	most	most	RBS
39142	1780	46	certainly	certainly	RB
39142	1780	47	"	"	``
39142	1780	48	eat	eat	VB
39142	1780	49	up	up	RP
39142	1780	50	the	the	DT
39142	1780	51	sun	sun	NN
39142	1780	52	.	.	.
39142	1780	53	"	"	''
39142	1781	1	The	the	DT
39142	1781	2	eclipse	eclipse	NN
39142	1781	3	always	always	RB
39142	1781	4	goes	go	VBZ
39142	1781	5	off	off	RP
39142	1781	6	,	,	,
39142	1781	7	the	the	DT
39142	1781	8	sun	sun	NN
39142	1781	9	has	have	VBZ
39142	1781	10	never	never	RB
39142	1781	11	been	be	VBN
39142	1781	12	eaten	eat	VBN
39142	1781	13	yet	yet	RB
39142	1781	14	.	.	.
39142	1782	1	Can	Can	MD
39142	1782	2	you	-PRON-	PRP
39142	1782	3	convince	convince	VB
39142	1782	4	a	a	DT
39142	1782	5	Chinaman	Chinaman	NNP
39142	1782	6	that	that	WDT
39142	1782	7	Rahu	Rahu	NNP
39142	1782	8	,	,	,
39142	1782	9	the	the	DT
39142	1782	10	Dragon	Dragon	NNP
39142	1782	11	,	,	,
39142	1782	12	would	would	MD
39142	1782	13	n't	not	RB
39142	1782	14	have	have	VB
39142	1782	15	eaten	eat	VBN
39142	1782	16	up	up	RP
39142	1782	17	the	the	DT
39142	1782	18	sun	sun	NN
39142	1782	19	,	,	,
39142	1782	20	if	if	IN
39142	1782	21	his	-PRON-	PRP$
39142	1782	22	unearthly	unearthly	JJ
39142	1782	23	din	din	NN
39142	1782	24	had	have	VBD
39142	1782	25	n't	not	RB
39142	1782	26	frightened	frighten	VBN
39142	1782	27	him	-PRON-	PRP
39142	1782	28	away	away	RB
39142	1782	29	?	?	.
39142	1783	1	In	in	IN
39142	1783	2	Japan	Japan	NNP
39142	1783	3	the	the	DT
39142	1783	4	eclipse	eclipse	NN
39142	1783	5	drops	drop	VBZ
39142	1783	6	poison	poison	NN
39142	1783	7	from	from	IN
39142	1783	8	the	the	DT
39142	1783	9	sky	sky	NN
39142	1783	10	into	into	IN
39142	1783	11	wells	well	NNS
39142	1783	12	,	,	,
39142	1783	13	so	so	CC
39142	1783	14	the	the	DT
39142	1783	15	Japanese	Japanese	NNPS
39142	1783	16	cover	cover	VBP
39142	1783	17	them	-PRON-	PRP
39142	1783	18	up	up	RP
39142	1783	19	.	.	.
39142	1784	1	Fontenelle	Fontenelle	NNP
39142	1784	2	relates	relate	VBZ
39142	1784	3	that	that	IN
39142	1784	4	in	in	IN
39142	1784	5	the	the	DT
39142	1784	6	middle	middle	NN
39142	1784	7	of	of	IN
39142	1784	8	the	the	DT
39142	1784	9	seventeenth	seventeenth	JJ
39142	1784	10	century	century	NN
39142	1784	11	a	a	DT
39142	1784	12	multitude	multitude	NN
39142	1784	13	of	of	IN
39142	1784	14	people	people	NNS
39142	1784	15	shut	shut	VBD
39142	1784	16	themselves	-PRON-	PRP
39142	1784	17	up	up	RP
39142	1784	18	in	in	IN
39142	1784	19	cellars	cellar	NNS
39142	1784	20	in	in	IN
39142	1784	21	Paris	Paris	NNP
39142	1784	22	during	during	IN
39142	1784	23	a	a	DT
39142	1784	24	total	total	JJ
39142	1784	25	eclipse	eclipse	NN
39142	1784	26	.	.	.
39142	1785	1	In	in	IN
39142	1785	2	the	the	DT
39142	1785	3	Shu	Shu	NNP
39142	1785	4	-	-	HYPH
39142	1785	5	king	king	NNP
39142	1785	6	,	,	,
39142	1785	7	an	an	DT
39142	1785	8	ancient	ancient	JJ
39142	1785	9	Chinese	chinese	JJ
39142	1785	10	work	work	NN
39142	1785	11	,	,	,
39142	1785	12	occurs	occur	VBZ
39142	1785	13	the	the	DT
39142	1785	14	earliest	early	JJS
39142	1785	15	record	record	NN
39142	1785	16	of	of	IN
39142	1785	17	a	a	DT
39142	1785	18	total	total	JJ
39142	1785	19	eclipse	eclipse	NN
39142	1785	20	of	of	IN
39142	1785	21	the	the	DT
39142	1785	22	sun	sun	NN
39142	1785	23	,	,	,
39142	1785	24	in	in	IN
39142	1785	25	the	the	DT
39142	1785	26	year	year	NN
39142	1785	27	B.	B.	NNP
39142	1785	28	C.	C.	NNP
39142	1785	29	2158	2158	CD
39142	1785	30	.	.	.
39142	1786	1	The	the	DT
39142	1786	2	Nineveh	Nineveh	NNP
39142	1786	3	eclipse	eclipse	NN
39142	1786	4	of	of	IN
39142	1786	5	B.	B.	NNP
39142	1786	6	C.	C.	NNP
39142	1786	7	763	763	CD
39142	1786	8	is	be	VBZ
39142	1786	9	perhaps	perhaps	RB
39142	1786	10	the	the	DT
39142	1786	11	first	first	JJ
39142	1786	12	of	of	IN
39142	1786	13	the	the	DT
39142	1786	14	ancient	ancient	JJ
39142	1786	15	eclipses	eclipse	NNS
39142	1786	16	of	of	IN
39142	1786	17	which	which	WDT
39142	1786	18	we	-PRON-	PRP
39142	1786	19	possess	possess	VBP
39142	1786	20	a	a	DT
39142	1786	21	really	really	RB
39142	1786	22	clear	clear	JJ
39142	1786	23	description	description	NN
39142	1786	24	on	on	IN
39142	1786	25	the	the	DT
39142	1786	26	Assyrian	assyrian	JJ
39142	1786	27	eponym	eponym	NN
39142	1786	28	tablets	tablet	NNS
39142	1786	29	in	in	IN
39142	1786	30	the	the	DT
39142	1786	31	British	British	NNP
39142	1786	32	Museum	Museum	NNP
39142	1786	33	.	.	.
39142	1787	1	It	-PRON-	PRP
39142	1787	2	is	be	VBZ
39142	1787	3	the	the	DT
39142	1787	4	eclipse	eclipse	NN
39142	1787	5	possibly	possibly	RB
39142	1787	6	referred	refer	VBD
39142	1787	7	to	to	IN
39142	1787	8	in	in	IN
39142	1787	9	the	the	DT
39142	1787	10	Book	Book	NNP
39142	1787	11	of	of	IN
39142	1787	12	Amos	Amos	NNPS
39142	1787	13	,	,	,
39142	1787	14	viii	viii	RB
39142	1787	15	.	.	.
39142	1788	1	But	but	CC
39142	1788	2	of	of	IN
39142	1788	3	all	all	PDT
39142	1788	4	the	the	DT
39142	1788	5	ancient	ancient	JJ
39142	1788	6	eclipses	eclipse	VBZ
39142	1788	7	none	none	NN
39142	1788	8	perhaps	perhaps	RB
39142	1788	9	exceeds	exceed	VBZ
39142	1788	10	in	in	IN
39142	1788	11	interest	interest	NN
39142	1788	12	the	the	DT
39142	1788	13	famous	famous	JJ
39142	1788	14	eclipse	eclipse	NN
39142	1788	15	of	of	IN
39142	1788	16	Thales	Thales	NNP
39142	1788	17	,	,	,
39142	1788	18	B.	B.	NNP
39142	1788	19	C.	C.	NNP
39142	1788	20	585	585	CD
39142	1788	21	,	,	,
39142	1788	22	May	May	NNP
39142	1788	23	28	28	CD
39142	1788	24	.	.	.
39142	1789	1	It	-PRON-	PRP
39142	1789	2	is	be	VBZ
39142	1789	3	the	the	DT
39142	1789	4	first	first	JJ
39142	1789	5	eclipse	eclipse	NN
39142	1789	6	to	to	TO
39142	1789	7	have	have	VB
39142	1789	8	been	be	VBN
39142	1789	9	predicted	predict	VBN
39142	1789	10	,	,	,
39142	1789	11	probably	probably	RB
39142	1789	12	by	by	IN
39142	1789	13	means	mean	NNS
39142	1789	14	of	of	IN
39142	1789	15	the	the	DT
39142	1789	16	saros	saro	NNS
39142	1789	17	,	,	,
39142	1789	18	or	or	CC
39142	1789	19	18-year	18-year	CD
39142	1789	20	period	period	NN
39142	1789	21	of	of	IN
39142	1789	22	eclipses	eclipse	NNS
39142	1789	23	,	,	,
39142	1789	24	which	which	WDT
39142	1789	25	is	be	VBZ
39142	1789	26	useful	useful	JJ
39142	1789	27	as	as	IN
39142	1789	28	an	an	DT
39142	1789	29	approximate	approximate	JJ
39142	1789	30	method	method	NN
39142	1789	31	even	even	RB
39142	1789	32	at	at	IN
39142	1789	33	the	the	DT
39142	1789	34	present	present	JJ
39142	1789	35	day	day	NN
39142	1789	36	.	.	.
39142	1790	1	But	but	CC
39142	1790	2	the	the	DT
39142	1790	3	accident	accident	NN
39142	1790	4	of	of	IN
39142	1790	5	a	a	DT
39142	1790	6	war	war	NN
39142	1790	7	between	between	IN
39142	1790	8	the	the	DT
39142	1790	9	Lydians	Lydians	NNPS
39142	1790	10	and	and	CC
39142	1790	11	the	the	DT
39142	1790	12	Medes	Medes	NNP
39142	1790	13	has	have	VBZ
39142	1790	14	added	add	VBN
39142	1790	15	greatly	greatly	RB
39142	1790	16	to	to	IN
39142	1790	17	the	the	DT
39142	1790	18	historic	historic	JJ
39142	1790	19	interest	interest	NN
39142	1790	20	,	,	,
39142	1790	21	because	because	IN
39142	1790	22	the	the	DT
39142	1790	23	combatants	combatant	NNS
39142	1790	24	were	be	VBD
39142	1790	25	so	so	RB
39142	1790	26	terrified	terrify	VBN
39142	1790	27	by	by	IN
39142	1790	28	the	the	DT
39142	1790	29	sudden	sudden	JJ
39142	1790	30	turning	turning	NN
39142	1790	31	of	of	IN
39142	1790	32	day	day	NN
39142	1790	33	into	into	IN
39142	1790	34	night	night	NN
39142	1790	35	that	that	IN
39142	1790	36	they	-PRON-	PRP
39142	1790	37	at	at	IN
39142	1790	38	once	once	RB
39142	1790	39	concluded	conclude	VBD
39142	1790	40	a	a	DT
39142	1790	41	peace	peace	NN
39142	1790	42	cemented	cement	VBN
39142	1790	43	by	by	IN
39142	1790	44	two	two	CD
39142	1790	45	marriages	marriage	NNS
39142	1790	46	.	.	.
39142	1791	1	Very	very	RB
39142	1791	2	many	many	JJ
39142	1791	3	of	of	IN
39142	1791	4	the	the	DT
39142	1791	5	ancient	ancient	JJ
39142	1791	6	eclipses	eclipse	NNS
39142	1791	7	have	have	VBP
39142	1791	8	been	be	VBN
39142	1791	9	of	of	IN
39142	1791	10	great	great	JJ
39142	1791	11	use	use	NN
39142	1791	12	to	to	IN
39142	1791	13	the	the	DT
39142	1791	14	historian	historian	NN
39142	1791	15	in	in	IN
39142	1791	16	verifying	verifying	NN
39142	1791	17	dates	date	NNS
39142	1791	18	,	,	,
39142	1791	19	and	and	CC
39142	1791	20	mathematical	mathematical	JJ
39142	1791	21	astronomers	astronomer	NNS
39142	1791	22	have	have	VBP
39142	1791	23	employed	employ	VBN
39142	1791	24	them	-PRON-	PRP
39142	1791	25	in	in	IN
39142	1791	26	correcting	correct	VBG
39142	1791	27	the	the	DT
39142	1791	28	lunar	lunar	JJ
39142	1791	29	tables	table	NNS
39142	1791	30	,	,	,
39142	1791	31	or	or	CC
39142	1791	32	intricate	intricate	JJ
39142	1791	33	mathematical	mathematical	JJ
39142	1791	34	data	datum	NNS
39142	1791	35	by	by	IN
39142	1791	36	which	which	WDT
39142	1791	37	the	the	DT
39142	1791	38	motion	motion	NN
39142	1791	39	of	of	IN
39142	1791	40	the	the	DT
39142	1791	41	moon	moon	NN
39142	1791	42	is	be	VBZ
39142	1791	43	predicted	predict	VBN
39142	1791	44	.	.	.
39142	1792	1	Coming	come	VBG
39142	1792	2	down	down	RP
39142	1792	3	to	to	IN
39142	1792	4	the	the	DT
39142	1792	5	middle	middle	NN
39142	1792	6	of	of	IN
39142	1792	7	the	the	DT
39142	1792	8	sixth	sixth	JJ
39142	1792	9	century	century	NN
39142	1792	10	,	,	,
39142	1792	11	we	-PRON-	PRP
39142	1792	12	find	find	VBP
39142	1792	13	the	the	DT
39142	1792	14	first	first	JJ
39142	1792	15	eclipse	eclipse	NN
39142	1792	16	recorded	record	VBN
39142	1792	17	in	in	IN
39142	1792	18	England	England	NNP
39142	1792	19	,	,	,
39142	1792	20	in	in	IN
39142	1792	21	the	the	DT
39142	1792	22	"	"	``
39142	1792	23	Saxon	Saxon	NNP
39142	1792	24	Chronicle	Chronicle	NNP
39142	1792	25	,	,	,
39142	1792	26	"	"	''
39142	1792	27	A.	A.	NNP
39142	1792	28	D.	D.	NNP
39142	1792	29	538	538	CD
39142	1792	30	.	.	.
39142	1793	1	During	during	IN
39142	1793	2	the	the	DT
39142	1793	3	epoch	epoch	NN
39142	1793	4	of	of	IN
39142	1793	5	the	the	DT
39142	1793	6	Arabian	Arabian	NNP
39142	1793	7	Nights	Nights	NNPS
39142	1793	8	several	several	JJ
39142	1793	9	eclipses	eclipse	NNS
39142	1793	10	were	be	VBD
39142	1793	11	witnessed	witness	VBN
39142	1793	12	at	at	IN
39142	1793	13	Bagdad	Bagdad	NNP
39142	1793	14	,	,	,
39142	1793	15	A.	a.	NN
39142	1793	16	D.	D.	NNP
39142	1793	17	829	829	CD
39142	1793	18	to	to	IN
39142	1793	19	928	928	CD
39142	1793	20	,	,	,
39142	1793	21	and	and	CC
39142	1793	22	many	many	PDT
39142	1793	23	a	a	DT
39142	1793	24	century	century	NN
39142	1793	25	later	later	RB
39142	1793	26	by	by	IN
39142	1793	27	Ibu	Ibu	NNP
39142	1793	28	-	-	HYPH
39142	1793	29	Jounis	Jounis	NNP
39142	1793	30	,	,	,
39142	1793	31	court	court	NN
39142	1793	32	astronomer	astronomer	NN
39142	1793	33	of	of	IN
39142	1793	34	Hakem	Hakem	NNP
39142	1793	35	,	,	,
39142	1793	36	the	the	DT
39142	1793	37	Caliph	Caliph	NNP
39142	1793	38	of	of	IN
39142	1793	39	Egypt	Egypt	NNP
39142	1793	40	.	.	.
39142	1794	1	Nothing	nothing	NN
39142	1794	2	is	be	VBZ
39142	1794	3	more	more	RBR
39142	1794	4	interesting	interesting	JJ
39142	1794	5	than	than	IN
39142	1794	6	to	to	TO
39142	1794	7	search	search	VB
39142	1794	8	the	the	DT
39142	1794	9	quaint	quaint	NN
39142	1794	10	records	record	NNS
39142	1794	11	of	of	IN
39142	1794	12	these	these	DT
39142	1794	13	ancient	ancient	JJ
39142	1794	14	eclipses	eclipse	NNS
39142	1794	15	.	.	.
39142	1795	1	One	one	CD
39142	1795	2	occurring	occur	VBG
39142	1795	3	in	in	IN
39142	1795	4	1560	1560	CD
39142	1795	5	,	,	,
39142	1795	6	when	when	WRB
39142	1795	7	Tycho	Tycho	NNP
39142	1795	8	Brahe	Brahe	NNP
39142	1795	9	was	be	VBD
39142	1795	10	but	but	CC
39142	1795	11	fourteen	fourteen	CD
39142	1795	12	,	,	,
39142	1795	13	had	have	VBD
39142	1795	14	much	much	JJ
39142	1795	15	to	to	TO
39142	1795	16	do	do	VB
39142	1795	17	with	with	IN
39142	1795	18	turning	turn	VBG
39142	1795	19	his	-PRON-	PRP$
39142	1795	20	permanent	permanent	JJ
39142	1795	21	interest	interest	NN
39142	1795	22	toward	toward	IN
39142	1795	23	mathematics	mathematic	NNS
39142	1795	24	and	and	CC
39142	1795	25	astronomy	astronomy	NN
39142	1795	26	.	.	.
39142	1796	1	The	the	DT
39142	1796	2	eclipse	eclipse	NN
39142	1796	3	of	of	IN
39142	1796	4	1612	1612	CD
39142	1796	5	was	be	VBD
39142	1796	6	the	the	DT
39142	1796	7	first	first	JJ
39142	1796	8	"	"	``
39142	1796	9	seen	see	VBN
39142	1796	10	through	through	IN
39142	1796	11	a	a	DT
39142	1796	12	tube	tube	NN
39142	1796	13	,	,	,
39142	1796	14	"	"	''
39142	1796	15	the	the	DT
39142	1796	16	telescope	telescope	NN
39142	1796	17	having	have	VBG
39142	1796	18	been	be	VBN
39142	1796	19	invented	invent	VBN
39142	1796	20	only	only	RB
39142	1796	21	a	a	DT
39142	1796	22	few	few	JJ
39142	1796	23	years	year	NNS
39142	1796	24	before	before	RB
39142	1796	25	.	.	.
39142	1797	1	"	"	``
39142	1797	2	Paradise	Paradise	NNP
39142	1797	3	Lost	Lost	NNP
39142	1797	4	"	"	''
39142	1797	5	was	be	VBD
39142	1797	6	completed	complete	VBN
39142	1797	7	about	about	IN
39142	1797	8	1665	1665	CD
39142	1797	9	,	,	,
39142	1797	10	and	and	CC
39142	1797	11	the	the	DT
39142	1797	12	censorship	censorship	NN
39142	1797	13	was	be	VBD
39142	1797	14	still	still	RB
39142	1797	15	in	in	IN
39142	1797	16	existence	existence	NN
39142	1797	17	;	;	,
39142	1797	18	and	and	CC
39142	1797	19	it	-PRON-	PRP
39142	1797	20	is	be	VBZ
39142	1797	21	matter	matter	NN
39142	1797	22	of	of	IN
39142	1797	23	record	record	NN
39142	1797	24	that	that	IN
39142	1797	25	the	the	DT
39142	1797	26	oft	oft	RB
39142	1797	27	-	-	HYPH
39142	1797	28	quoted	quote	VBN
39142	1797	29	passage	passage	NN
39142	1797	30	,	,	,
39142	1797	31	"	"	``
39142	1797	32	As	as	IN
39142	1797	33	when	when	WRB
39142	1797	34	the	the	DT
39142	1797	35	Sun	Sun	NNP
39142	1797	36	,	,	,
39142	1797	37	new	new	JJ
39142	1797	38	risen	risen	NN
39142	1797	39	,	,	,
39142	1797	40	Looks	look	VBZ
39142	1797	41	through	through	IN
39142	1797	42	the	the	DT
39142	1797	43	horizontal	horizontal	JJ
39142	1797	44	misty	misty	JJ
39142	1797	45	air	air	NN
39142	1797	46	,	,	,
39142	1797	47	Shorn	Shorn	NNP
39142	1797	48	of	of	IN
39142	1797	49	his	-PRON-	PRP$
39142	1797	50	beams	beam	NNS
39142	1797	51	;	;	,
39142	1797	52	or	or	CC
39142	1797	53	from	from	IN
39142	1797	54	behind	behind	IN
39142	1797	55	the	the	DT
39142	1797	56	Moon	Moon	NNP
39142	1797	57	,	,	,
39142	1797	58	In	in	IN
39142	1797	59	dim	dim	JJ
39142	1797	60	eclipse	eclipse	NN
39142	1797	61	,	,	,
39142	1797	62	disastrous	disastrous	JJ
39142	1797	63	twilight	twilight	NN
39142	1797	64	sheds	shed	VBZ
39142	1797	65	On	on	IN
39142	1797	66	half	half	PDT
39142	1797	67	the	the	DT
39142	1797	68	nations	nation	NNS
39142	1797	69	,	,	,
39142	1797	70	and	and	CC
39142	1797	71	with	with	IN
39142	1797	72	fear	fear	NN
39142	1797	73	of	of	IN
39142	1797	74	change	change	NN
39142	1797	75	Perplexes	Perplexes	NNP
39142	1797	76	monarchs	monarch	NNS
39142	1797	77	.	.	.
39142	1797	78	"	"	''
39142	1798	1	_	_	NNP
39142	1798	2	P.	P.	NNP
39142	1799	1	L.	L.	NNP
39142	1799	2	_	_	NNP
39142	1799	3	,	,	,
39142	1799	4	i.	i.	NNP
39142	1800	1	594	594	CD
39142	1800	2	was	be	VBD
39142	1800	3	strongly	strongly	RB
39142	1800	4	urged	urge	VBN
39142	1800	5	as	as	IN
39142	1800	6	sufficient	sufficient	JJ
39142	1800	7	reason	reason	NN
39142	1800	8	for	for	IN
39142	1800	9	suppressing	suppress	VBG
39142	1800	10	the	the	DT
39142	1800	11	entire	entire	JJ
39142	1800	12	epic	epic	NN
39142	1800	13	.	.	.
39142	1801	1	London	London	NNP
39142	1801	2	was	be	VBD
39142	1801	3	favored	favor	VBN
39142	1801	4	with	with	IN
39142	1801	5	the	the	DT
39142	1801	6	outflashing	outflashe	VBG
39142	1801	7	corona	corona	NN
39142	1801	8	,	,	,
39142	1801	9	May	May	NNP
39142	1801	10	3	3	CD
39142	1801	11	,	,	,
39142	1801	12	1715	1715	CD
39142	1801	13	,	,	,
39142	1801	14	and	and	CC
39142	1801	15	a	a	DT
39142	1801	16	pamphlet	pamphlet	NN
39142	1801	17	was	be	VBD
39142	1801	18	issued	issue	VBN
39142	1801	19	in	in	IN
39142	1801	20	prediction	prediction	NN
39142	1801	21	,	,	,
39142	1801	22	entitled	entitle	VBN
39142	1801	23	"	"	``
39142	1801	24	The	the	DT
39142	1801	25	Black	Black	NNP
39142	1801	26	Day	Day	NNP
39142	1801	27	,	,	,
39142	1801	28	or	or	CC
39142	1801	29	a	a	DT
39142	1801	30	Prospect	Prospect	NNP
39142	1801	31	of	of	IN
39142	1801	32	Doomsday	Doomsday	NNP
39142	1801	33	.	.	.
39142	1801	34	"	"	''
39142	1802	1	The	the	DT
39142	1802	2	first	first	JJ
39142	1802	3	American	american	JJ
39142	1802	4	eclipse	eclipse	NN
39142	1802	5	expedition	expedition	NN
39142	1802	6	was	be	VBD
39142	1802	7	on	on	IN
39142	1802	8	occasion	occasion	NN
39142	1802	9	of	of	IN
39142	1802	10	the	the	DT
39142	1802	11	totality	totality	NN
39142	1802	12	of	of	IN
39142	1802	13	Oct.	October	NNP
39142	1802	14	27	27	CD
39142	1802	15	,	,	,
39142	1802	16	1780	1780	CD
39142	1802	17	,	,	,
39142	1802	18	sent	send	VBN
39142	1802	19	out	out	RP
39142	1802	20	by	by	IN
39142	1802	21	Harvard	Harvard	NNP
39142	1802	22	College	College	NNP
39142	1802	23	and	and	CC
39142	1802	24	the	the	DT
39142	1802	25	American	American	NNP
39142	1802	26	Academy	Academy	NNP
39142	1802	27	of	of	IN
39142	1802	28	Arts	Arts	NNPS
39142	1802	29	and	and	CC
39142	1802	30	Sciences	Sciences	NNPS
39142	1802	31	under	under	IN
39142	1802	32	Professor	Professor	NNP
39142	1802	33	Samuel	Samuel	NNP
39142	1802	34	Williams	Williams	NNP
39142	1802	35	to	to	IN
39142	1802	36	Penobscot	Penobscot	NNP
39142	1802	37	.	.	.
39142	1803	1	There	there	EX
39142	1803	2	was	be	VBD
39142	1803	3	a	a	DT
39142	1803	4	fine	fine	JJ
39142	1803	5	total	total	JJ
39142	1803	6	eclipse	eclipse	NN
39142	1803	7	from	from	IN
39142	1803	8	Albany	Albany	NNP
39142	1803	9	to	to	IN
39142	1803	10	Boston	Boston	NNP
39142	1803	11	on	on	IN
39142	1803	12	June	June	NNP
39142	1803	13	16	16	CD
39142	1803	14	,	,	,
39142	1803	15	1806	1806	CD
39142	1803	16	,	,	,
39142	1803	17	and	and	CC
39142	1803	18	many	many	JJ
39142	1803	19	important	important	JJ
39142	1803	20	observations	observation	NNS
39142	1803	21	of	of	IN
39142	1803	22	it	-PRON-	PRP
39142	1803	23	were	be	VBD
39142	1803	24	made	make	VBN
39142	1803	25	in	in	IN
39142	1803	26	this	this	DT
39142	1803	27	country	country	NN
39142	1803	28	.	.	.
39142	1804	1	But	but	CC
39142	1804	2	it	-PRON-	PRP
39142	1804	3	was	be	VBD
39142	1804	4	not	not	RB
39142	1804	5	till	till	IN
39142	1804	6	the	the	DT
39142	1804	7	European	european	JJ
39142	1804	8	eclipse	eclipse	NN
39142	1804	9	of	of	IN
39142	1804	10	1842	1842	CD
39142	1804	11	that	that	DT
39142	1804	12	research	research	NN
39142	1804	13	got	get	VBD
39142	1804	14	fully	fully	RB
39142	1804	15	under	under	IN
39142	1804	16	way	way	NN
39142	1804	17	,	,	,
39142	1804	18	because	because	IN
39142	1804	19	the	the	DT
39142	1804	20	germ	germ	NN
39142	1804	21	of	of	IN
39142	1804	22	the	the	DT
39142	1804	23	new	new	JJ
39142	1804	24	astronomy	astronomy	NN
39142	1804	25	,	,	,
39142	1804	26	particularly	particularly	RB
39142	1804	27	as	as	IN
39142	1804	28	applied	apply	VBN
39142	1804	29	to	to	IN
39142	1804	30	the	the	DT
39142	1804	31	sun	sun	NN
39142	1804	32	,	,	,
39142	1804	33	had	have	VBD
39142	1804	34	begun	begin	VBN
39142	1804	35	its	-PRON-	PRP$
39142	1804	36	development	development	NN
39142	1804	37	;	;	:
39142	1804	38	and	and	CC
39142	1804	39	the	the	DT
39142	1804	40	significance	significance	NN
39142	1804	41	of	of	IN
39142	1804	42	the	the	DT
39142	1804	43	corona	corona	NN
39142	1804	44	was	be	VBD
39142	1804	45	obvious	obvious	JJ
39142	1804	46	,	,	,
39142	1804	47	if	if	IN
39142	1804	48	it	-PRON-	PRP
39142	1804	49	could	could	MD
39142	1804	50	be	be	VB
39142	1804	51	proved	prove	VBN
39142	1804	52	a	a	DT
39142	1804	53	true	true	JJ
39142	1804	54	appendage	appendage	NN
39142	1804	55	of	of	IN
39142	1804	56	the	the	DT
39142	1804	57	sun	sun	NN
39142	1804	58	.	.	.
39142	1805	1	Photography	Photography	NNP
39142	1805	2	had	have	VBD
39142	1805	3	not	not	RB
39142	1805	4	long	long	RB
39142	1805	5	been	be	VBN
39142	1805	6	discovered	discover	VBN
39142	1805	7	,	,	,
39142	1805	8	and	and	CC
39142	1805	9	the	the	DT
39142	1805	10	corona	corona	NN
39142	1805	11	of	of	IN
39142	1805	12	1851	1851	CD
39142	1805	13	was	be	VBD
39142	1805	14	the	the	DT
39142	1805	15	first	first	JJ
39142	1805	16	to	to	TO
39142	1805	17	be	be	VB
39142	1805	18	automatically	automatically	RB
39142	1805	19	registered	register	VBN
39142	1805	20	on	on	IN
39142	1805	21	a	a	DT
39142	1805	22	daguerreotype	daguerreotype	NN
39142	1805	23	.	.	.
39142	1806	1	In	in	IN
39142	1806	2	1860	1860	CD
39142	1806	3	it	-PRON-	PRP
39142	1806	4	was	be	VBD
39142	1806	5	proved	prove	VBN
39142	1806	6	that	that	IN
39142	1806	7	prominences	prominence	NNS
39142	1806	8	and	and	CC
39142	1806	9	corona	corona	NN
39142	1806	10	both	both	DT
39142	1806	11	belong	belong	VBP
39142	1806	12	to	to	IN
39142	1806	13	the	the	DT
39142	1806	14	sun	sun	NN
39142	1806	15	and	and	CC
39142	1806	16	not	not	RB
39142	1806	17	to	to	IN
39142	1806	18	the	the	DT
39142	1806	19	moon	moon	NN
39142	1806	20	.	.	.
39142	1807	1	The	the	DT
39142	1807	2	great	great	JJ
39142	1807	3	Indian	indian	JJ
39142	1807	4	eclipse	eclipse	NN
39142	1807	5	of	of	IN
39142	1807	6	1868	1868	CD
39142	1807	7	brought	bring	VBD
39142	1807	8	the	the	DT
39142	1807	9	important	important	JJ
39142	1807	10	discovery	discovery	NN
39142	1807	11	that	that	IN
39142	1807	12	the	the	DT
39142	1807	13	prominences	prominence	NNS
39142	1807	14	can	can	MD
39142	1807	15	be	be	VB
39142	1807	16	observed	observe	VBN
39142	1807	17	at	at	IN
39142	1807	18	any	any	DT
39142	1807	19	time	time	NN
39142	1807	20	without	without	IN
39142	1807	21	an	an	DT
39142	1807	22	eclipse	eclipse	NN
39142	1807	23	by	by	IN
39142	1807	24	means	mean	NNS
39142	1807	25	of	of	IN
39142	1807	26	the	the	DT
39142	1807	27	spectroscope	spectroscope	NN
39142	1807	28	.	.	.
39142	1808	1	In	in	IN
39142	1808	2	1869	1869	CD
39142	1808	3	bright	bright	JJ
39142	1808	4	lines	line	NNS
39142	1808	5	were	be	VBD
39142	1808	6	found	find	VBN
39142	1808	7	in	in	IN
39142	1808	8	the	the	DT
39142	1808	9	spectrum	spectrum	NN
39142	1808	10	of	of	IN
39142	1808	11	the	the	DT
39142	1808	12	corona	corona	NN
39142	1808	13	,	,	,
39142	1808	14	one	one	CD
39142	1808	15	line	line	NN
39142	1808	16	in	in	IN
39142	1808	17	the	the	DT
39142	1808	18	green	green	NN
39142	1808	19	indicating	indicate	VBG
39142	1808	20	the	the	DT
39142	1808	21	presence	presence	NN
39142	1808	22	of	of	IN
39142	1808	23	an	an	DT
39142	1808	24	element	element	NN
39142	1808	25	not	not	RB
39142	1808	26	then	then	RB
39142	1808	27	known	know	VBN
39142	1808	28	on	on	IN
39142	1808	29	the	the	DT
39142	1808	30	earth	earth	NN
39142	1808	31	and	and	CC
39142	1808	32	hence	hence	RB
39142	1808	33	called	call	VBN
39142	1808	34	coronium	coronium	NN
39142	1808	35	.	.	.
39142	1809	1	In	in	IN
39142	1809	2	1870	1870	CD
39142	1809	3	the	the	DT
39142	1809	4	reversing	reversing	NN
39142	1809	5	layer	layer	NN
39142	1809	6	or	or	CC
39142	1809	7	stratum	stratum	NN
39142	1809	8	of	of	IN
39142	1809	9	the	the	DT
39142	1809	10	sun	sun	NN
39142	1809	11	was	be	VBD
39142	1809	12	discovered	discover	VBN
39142	1809	13	.	.	.
39142	1810	1	In	in	IN
39142	1810	2	1878	1878	CD
39142	1810	3	a	a	DT
39142	1810	4	vast	vast	JJ
39142	1810	5	ecliptic	ecliptic	JJ
39142	1810	6	extension	extension	NN
39142	1810	7	of	of	IN
39142	1810	8	the	the	DT
39142	1810	9	streams	stream	NNS
39142	1810	10	of	of	IN
39142	1810	11	the	the	DT
39142	1810	12	corona	corona	NN
39142	1810	13	many	many	JJ
39142	1810	14	millions	million	NNS
39142	1810	15	of	of	IN
39142	1810	16	miles	mile	NNS
39142	1810	17	both	both	CC
39142	1810	18	east	east	NNP
39142	1810	19	and	and	CC
39142	1810	20	west	west	NN
39142	1810	21	of	of	IN
39142	1810	22	the	the	DT
39142	1810	23	sun	sun	NN
39142	1810	24	was	be	VBD
39142	1810	25	first	first	RB
39142	1810	26	seen	see	VBN
39142	1810	27	.	.	.
39142	1811	1	This	this	DT
39142	1811	2	is	be	VBZ
39142	1811	3	now	now	RB
39142	1811	4	known	know	VBN
39142	1811	5	to	to	TO
39142	1811	6	be	be	VB
39142	1811	7	the	the	DT
39142	1811	8	type	type	NN
39142	1811	9	of	of	IN
39142	1811	10	corona	corona	NN
39142	1811	11	characteristic	characteristic	NN
39142	1811	12	of	of	IN
39142	1811	13	minimum	minimum	JJ
39142	1811	14	spots	spot	NNS
39142	1811	15	on	on	IN
39142	1811	16	the	the	DT
39142	1811	17	sun	sun	NN
39142	1811	18	.	.	.
39142	1812	1	In	in	IN
39142	1812	2	1882	1882	CD
39142	1812	3	the	the	DT
39142	1812	4	spectrum	spectrum	NN
39142	1812	5	of	of	IN
39142	1812	6	the	the	DT
39142	1812	7	corona	corona	NN
39142	1812	8	was	be	VBD
39142	1812	9	first	first	RB
39142	1812	10	photographed	photograph	VBN
39142	1812	11	and	and	CC
39142	1812	12	in	in	IN
39142	1812	13	1889	1889	CD
39142	1812	14	excellent	excellent	JJ
39142	1812	15	detail	detail	NN
39142	1812	16	photographs	photograph	NNS
39142	1812	17	of	of	IN
39142	1812	18	the	the	DT
39142	1812	19	corona	corona	NN
39142	1812	20	were	be	VBD
39142	1812	21	taken	take	VBN
39142	1812	22	.	.	.
39142	1813	1	In	in	IN
39142	1813	2	1893	1893	CD
39142	1813	3	it	-PRON-	PRP
39142	1813	4	was	be	VBD
39142	1813	5	shown	show	VBN
39142	1813	6	that	that	IN
39142	1813	7	the	the	DT
39142	1813	8	corona	corona	NN
39142	1813	9	quite	quite	RB
39142	1813	10	certainly	certainly	RB
39142	1813	11	rotates	rotate	VBZ
39142	1813	12	bodily	bodily	RB
39142	1813	13	with	with	IN
39142	1813	14	the	the	DT
39142	1813	15	sun	sun	NN
39142	1813	16	.	.	.
39142	1814	1	In	in	IN
39142	1814	2	1896	1896	CD
39142	1814	3	actual	actual	JJ
39142	1814	4	spectrum	spectrum	NN
39142	1814	5	photographs	photograph	NNS
39142	1814	6	of	of	IN
39142	1814	7	the	the	DT
39142	1814	8	reversing	reversing	NN
39142	1814	9	layer	layer	NN
39142	1814	10	established	establish	VBD
39142	1814	11	its	-PRON-	PRP$
39142	1814	12	existence	existence	NN
39142	1814	13	beyond	beyond	IN
39142	1814	14	doubt--"flash	doubt--"flash	NNP
39142	1814	15	spectrum	spectrum	NN
39142	1814	16	"	"	``
39142	1814	17	it	-PRON-	PRP
39142	1814	18	is	be	VBZ
39142	1814	19	often	often	RB
39142	1814	20	called	call	VBN
39142	1814	21	.	.	.
39142	1815	1	In	in	IN
39142	1815	2	1898	1898	CD
39142	1815	3	the	the	DT
39142	1815	4	long	long	JJ
39142	1815	5	ecliptic	ecliptic	JJ
39142	1815	6	streamers	streamer	NNS
39142	1815	7	of	of	IN
39142	1815	8	the	the	DT
39142	1815	9	corona	corona	NN
39142	1815	10	were	be	VBD
39142	1815	11	successfully	successfully	RB
39142	1815	12	photographed	photograph	VBN
39142	1815	13	for	for	IN
39142	1815	14	the	the	DT
39142	1815	15	first	first	JJ
39142	1815	16	time	time	NN
39142	1815	17	.	.	.
39142	1816	1	In	in	IN
39142	1816	2	1900	1900	CD
39142	1816	3	the	the	DT
39142	1816	4	depth	depth	NN
39142	1816	5	of	of	IN
39142	1816	6	the	the	DT
39142	1816	7	reversing	reversing	NN
39142	1816	8	layer	layer	NN
39142	1816	9	was	be	VBD
39142	1816	10	found	find	VBN
39142	1816	11	to	to	TO
39142	1816	12	average	average	VB
39142	1816	13	500	500	CD
39142	1816	14	miles	mile	NNS
39142	1816	15	,	,	,
39142	1816	16	the	the	DT
39142	1816	17	heat	heat	NN
39142	1816	18	of	of	IN
39142	1816	19	the	the	DT
39142	1816	20	corona	corona	NN
39142	1816	21	was	be	VBD
39142	1816	22	first	first	RB
39142	1816	23	measured	measure	VBN
39142	1816	24	by	by	IN
39142	1816	25	the	the	DT
39142	1816	26	bolometer	bolometer	NN
39142	1816	27	,	,	,
39142	1816	28	and	and	CC
39142	1816	29	many	many	JJ
39142	1816	30	observations	observation	NNS
39142	1816	31	showed	show	VBD
39142	1816	32	that	that	IN
39142	1816	33	the	the	DT
39142	1816	34	coronal	coronal	JJ
39142	1816	35	streamers	streamer	NNS
39142	1816	36	,	,	,
39142	1816	37	in	in	IN
39142	1816	38	part	part	NN
39142	1816	39	at	at	IN
39142	1816	40	least	least	RBS
39142	1816	41	,	,	,
39142	1816	42	partake	partake	NN
39142	1816	43	of	of	IN
39142	1816	44	the	the	DT
39142	1816	45	nature	nature	NN
39142	1816	46	of	of	IN
39142	1816	47	electric	electric	JJ
39142	1816	48	discharges	discharge	NNS
39142	1816	49	.	.	.
39142	1817	1	All	all	DT
39142	1817	2	subsequent	subsequent	JJ
39142	1817	3	total	total	JJ
39142	1817	4	eclipses	eclipse	NNS
39142	1817	5	have	have	VBP
39142	1817	6	been	be	VBN
39142	1817	7	carefully	carefully	RB
39142	1817	8	observed	observe	VBN
39142	1817	9	,	,	,
39142	1817	10	in	in	IN
39142	1817	11	whatever	whatever	WDT
39142	1817	12	part	part	NN
39142	1817	13	of	of	IN
39142	1817	14	the	the	DT
39142	1817	15	world	world	NN
39142	1817	16	they	-PRON-	PRP
39142	1817	17	may	may	MD
39142	1817	18	happen	happen	VB
39142	1817	19	,	,	,
39142	1817	20	and	and	CC
39142	1817	21	each	each	DT
39142	1817	22	has	have	VBZ
39142	1817	23	added	add	VBN
39142	1817	24	new	new	JJ
39142	1817	25	results	result	NNS
39142	1817	26	of	of	IN
39142	1817	27	significance	significance	NN
39142	1817	28	to	to	IN
39142	1817	29	our	-PRON-	PRP$
39142	1817	30	theories	theory	NNS
39142	1817	31	of	of	IN
39142	1817	32	the	the	DT
39142	1817	33	corona	corona	NN
39142	1817	34	and	and	CC
39142	1817	35	its	-PRON-	PRP$
39142	1817	36	relation	relation	NN
39142	1817	37	to	to	IN
39142	1817	38	the	the	DT
39142	1817	39	radiant	radiant	JJ
39142	1817	40	energy	energy	NN
39142	1817	41	of	of	IN
39142	1817	42	the	the	DT
39142	1817	43	sun	sun	NN
39142	1817	44	.	.	.
39142	1818	1	In	in	IN
39142	1818	2	very	very	RB
39142	1818	3	recent	recent	JJ
39142	1818	4	eclipses	eclipse	NNS
39142	1818	5	the	the	DT
39142	1818	6	cinematograph	cinematograph	NN
39142	1818	7	has	have	VBZ
39142	1818	8	been	be	VBN
39142	1818	9	brought	bring	VBN
39142	1818	10	into	into	IN
39142	1818	11	action	action	NN
39142	1818	12	as	as	IN
39142	1818	13	an	an	DT
39142	1818	14	efficient	efficient	JJ
39142	1818	15	adjunct	adjunct	NN
39142	1818	16	of	of	IN
39142	1818	17	observation	observation	NN
39142	1818	18	;	;	:
39142	1818	19	in	in	IN
39142	1818	20	1914	1914	CD
39142	1818	21	the	the	DT
39142	1818	22	first	first	JJ
39142	1818	23	successful	successful	JJ
39142	1818	24	"	"	``
39142	1818	25	movie	movie	NN
39142	1818	26	"	"	''
39142	1818	27	of	of	IN
39142	1818	28	the	the	DT
39142	1818	29	eclipse	eclipse	NN
39142	1818	30	was	be	VBD
39142	1818	31	secured	secure	VBN
39142	1818	32	in	in	IN
39142	1818	33	Sweden	Sweden	NNP
39142	1818	34	,	,	,
39142	1818	35	and	and	CC
39142	1818	36	in	in	IN
39142	1818	37	1918	1918	CD
39142	1818	38	Frost	Frost	NNP
39142	1818	39	of	of	IN
39142	1818	40	the	the	DT
39142	1818	41	Yerkes	Yerkes	NNP
39142	1818	42	Observatory	Observatory	NNP
39142	1818	43	first	first	RB
39142	1818	44	applied	apply	VBD
39142	1818	45	the	the	DT
39142	1818	46	cinematograph	cinematograph	NN
39142	1818	47	to	to	IN
39142	1818	48	registry	registry	NN
39142	1818	49	of	of	IN
39142	1818	50	the	the	DT
39142	1818	51	"	"	``
39142	1818	52	flash	flash	NN
39142	1818	53	spectrum	spectrum	NN
39142	1818	54	,	,	,
39142	1818	55	"	"	''
39142	1818	56	and	and	CC
39142	1818	57	Stebbins	stebbin	NNS
39142	1818	58	tested	test	VBD
39142	1818	59	out	out	RP
39142	1818	60	his	-PRON-	PRP$
39142	1818	61	photo	photo	NN
39142	1818	62	-	-	HYPH
39142	1818	63	electric	electric	JJ
39142	1818	64	cell	cell	NN
39142	1818	65	on	on	IN
39142	1818	66	the	the	DT
39142	1818	67	corona	corona	NN
39142	1818	68	,	,	,
39142	1818	69	making	make	VBG
39142	1818	70	the	the	DT
39142	1818	71	brightness	brightness	NN
39142	1818	72	0.5	0.5	CD
39142	1818	73	that	that	DT
39142	1818	74	of	of	IN
39142	1818	75	the	the	DT
39142	1818	76	full	full	JJ
39142	1818	77	moon	moon	NN
39142	1818	78	.	.	.
39142	1819	1	In	in	IN
39142	1819	2	1914	1914	CD
39142	1819	3	(	(	-LRB-
39142	1819	4	Russia	Russia	NNP
39142	1819	5	)	)	-RRB-
39142	1819	6	and	and	CC
39142	1819	7	again	again	RB
39142	1819	8	in	in	IN
39142	1819	9	1919	1919	CD
39142	1819	10	(	(	-LRB-
39142	1819	11	on	on	IN
39142	1819	12	the	the	DT
39142	1819	13	Atlantic	Atlantic	NNP
39142	1819	14	)	)	-RRB-
39142	1819	15	the	the	DT
39142	1819	16	obvious	obvious	JJ
39142	1819	17	advantages	advantage	NNS
39142	1819	18	of	of	IN
39142	1819	19	the	the	DT
39142	1819	20	aeroplane	aeroplane	NN
39142	1819	21	in	in	IN
39142	1819	22	ecliptic	ecliptic	JJ
39142	1819	23	observation	observation	NN
39142	1819	24	and	and	CC
39142	1819	25	photography	photography	NN
39142	1819	26	were	be	VBD
39142	1819	27	sought	seek	VBN
39142	1819	28	by	by	IN
39142	1819	29	the	the	DT
39142	1819	30	writer	writer	NN
39142	1819	31	,	,	,
39142	1819	32	though	though	IN
39142	1819	33	unsuccessfully	unsuccessfully	RB
39142	1819	34	.	.	.
39142	1820	1	The	the	DT
39142	1820	2	photographic	photographic	JJ
39142	1820	3	tests	test	NNS
39142	1820	4	,	,	,
39142	1820	5	however	however	RB
39142	1820	6	,	,	,
39142	1820	7	conducted	conduct	VBN
39142	1820	8	in	in	IN
39142	1820	9	preparation	preparation	NN
39142	1820	10	for	for	IN
39142	1820	11	these	these	DT
39142	1820	12	expeditions	expedition	NNS
39142	1820	13	proved	prove	VBD
39142	1820	14	the	the	DT
39142	1820	15	entire	entire	JJ
39142	1820	16	practicability	practicability	NN
39142	1820	17	of	of	IN
39142	1820	18	securing	secure	VBG
39142	1820	19	eclipse	eclipse	NN
39142	1820	20	results	result	NNS
39142	1820	21	of	of	IN
39142	1820	22	much	much	JJ
39142	1820	23	value	value	NN
39142	1820	24	,	,	,
39142	1820	25	independently	independently	RB
39142	1820	26	of	of	IN
39142	1820	27	clouds	cloud	NNS
39142	1820	28	below	below	RB
39142	1820	29	.	.	.
39142	1821	1	Eclipses	eclipse	NNS
39142	1821	2	in	in	IN
39142	1821	3	the	the	DT
39142	1821	4	near	near	JJ
39142	1821	5	future	future	NN
39142	1821	6	will	will	MD
39142	1821	7	be	be	VB
39142	1821	8	total	total	JJ
39142	1821	9	in	in	IN
39142	1821	10	Australia	Australia	NNP
39142	1821	11	about	about	IN
39142	1821	12	six	six	CD
39142	1821	13	minutes	minute	NNS
39142	1821	14	on	on	IN
39142	1821	15	September	September	NNP
39142	1821	16	21	21	CD
39142	1821	17	,	,	,
39142	1821	18	1922	1922	CD
39142	1821	19	;	;	:
39142	1821	20	in	in	IN
39142	1821	21	California	California	NNP
39142	1821	22	and	and	CC
39142	1821	23	Mexico	Mexico	NNP
39142	1821	24	about	about	IN
39142	1821	25	four	four	CD
39142	1821	26	minutes	minute	NNS
39142	1821	27	on	on	IN
39142	1821	28	September	September	NNP
39142	1821	29	10	10	CD
39142	1821	30	,	,	,
39142	1821	31	1923	1923	CD
39142	1821	32	;	;	:
39142	1821	33	and	and	CC
39142	1821	34	along	along	IN
39142	1821	35	a	a	DT
39142	1821	36	line	line	NN
39142	1821	37	from	from	IN
39142	1821	38	Toronto	Toronto	NNP
39142	1821	39	to	to	IN
39142	1821	40	Nantucket	Nantucket	NNP
39142	1821	41	about	about	RB
39142	1821	42	two	two	CD
39142	1821	43	minutes	minute	NNS
39142	1821	44	on	on	IN
39142	1821	45	the	the	DT
39142	1821	46	morning	morning	NN
39142	1821	47	of	of	IN
39142	1821	48	January	January	NNP
39142	1821	49	24	24	CD
39142	1821	50	,	,	,
39142	1821	51	1925	1925	CD
39142	1821	52	.	.	.
39142	1822	1	To	to	IN
39142	1822	2	all	all	DT
39142	1822	3	spectators	spectator	NNS
39142	1822	4	,	,	,
39142	1822	5	savage	savage	NN
39142	1822	6	or	or	CC
39142	1822	7	civilized	civilized	JJ
39142	1822	8	,	,	,
39142	1822	9	scientist	scientist	NN
39142	1822	10	or	or	CC
39142	1822	11	layman	layman	NN
39142	1822	12	,	,	,
39142	1822	13	a	a	DT
39142	1822	14	total	total	JJ
39142	1822	15	eclipse	eclipse	NN
39142	1822	16	is	be	VBZ
39142	1822	17	wonderful	wonderful	JJ
39142	1822	18	and	and	CC
39142	1822	19	impressive	impressive	JJ
39142	1822	20	.	.	.
39142	1823	1	Langley	Langley	NNP
39142	1823	2	said	say	VBD
39142	1823	3	:	:	:
39142	1823	4	"	"	``
39142	1823	5	The	the	DT
39142	1823	6	spectacle	spectacle	NN
39142	1823	7	is	be	VBZ
39142	1823	8	one	one	CD
39142	1823	9	of	of	IN
39142	1823	10	which	which	WDT
39142	1823	11	,	,	,
39142	1823	12	though	though	IN
39142	1823	13	the	the	DT
39142	1823	14	man	man	NN
39142	1823	15	of	of	IN
39142	1823	16	science	science	NN
39142	1823	17	may	may	MD
39142	1823	18	prosaically	prosaically	RB
39142	1823	19	state	state	VB
39142	1823	20	the	the	DT
39142	1823	21	facts	fact	NNS
39142	1823	22	,	,	,
39142	1823	23	perhaps	perhaps	RB
39142	1823	24	only	only	RB
39142	1823	25	the	the	DT
39142	1823	26	poet	poet	NN
39142	1823	27	could	could	MD
39142	1823	28	render	render	VB
39142	1823	29	the	the	DT
39142	1823	30	impression	impression	NN
39142	1823	31	.	.	.
39142	1823	32	"	"	''
39142	1824	1	Very	very	RB
39142	1824	2	gradually	gradually	RB
39142	1824	3	the	the	DT
39142	1824	4	moon	moon	NN
39142	1824	5	steals	steal	VBZ
39142	1824	6	its	-PRON-	PRP$
39142	1824	7	way	way	NN
39142	1824	8	across	across	IN
39142	1824	9	the	the	DT
39142	1824	10	face	face	NN
39142	1824	11	of	of	IN
39142	1824	12	the	the	DT
39142	1824	13	sun	sun	NN
39142	1824	14	,	,	,
39142	1824	15	the	the	DT
39142	1824	16	lessened	lessened	JJ
39142	1824	17	light	light	NN
39142	1824	18	is	be	VBZ
39142	1824	19	hardly	hardly	RB
39142	1824	20	noticed	notice	VBN
39142	1824	21	.	.	.
39142	1825	1	If	if	IN
39142	1825	2	one	one	CD
39142	1825	3	is	be	VBZ
39142	1825	4	near	near	IN
39142	1825	5	a	a	DT
39142	1825	6	tree	tree	NN
39142	1825	7	through	through	IN
39142	1825	8	whose	whose	WP$
39142	1825	9	foliage	foliage	NN
39142	1825	10	the	the	DT
39142	1825	11	sunlight	sunlight	NN
39142	1825	12	filters	filter	NNS
39142	1825	13	,	,	,
39142	1825	14	an	an	DT
39142	1825	15	extraordinary	extraordinary	JJ
39142	1825	16	sight	sight	NN
39142	1825	17	is	be	VBZ
39142	1825	18	seen	see	VBN
39142	1825	19	;	;	:
39142	1825	20	the	the	DT
39142	1825	21	ground	ground	NN
39142	1825	22	all	all	DT
39142	1825	23	about	about	IN
39142	1825	24	is	be	VBZ
39142	1825	25	covered	cover	VBN
39142	1825	26	with	with	IN
39142	1825	27	luminous	luminous	JJ
39142	1825	28	crescents	crescent	NNS
39142	1825	29	,	,	,
39142	1825	30	instead	instead	RB
39142	1825	31	of	of	IN
39142	1825	32	the	the	DT
39142	1825	33	overlapping	overlap	VBG
39142	1825	34	disks	disk	NNS
39142	1825	35	which	which	WDT
39142	1825	36	were	be	VBD
39142	1825	37	there	there	RB
39142	1825	38	before	before	IN
39142	1825	39	the	the	DT
39142	1825	40	eclipse	eclipse	NN
39142	1825	41	came	come	VBD
39142	1825	42	on	on	RP
39142	1825	43	;	;	:
39142	1825	44	in	in	IN
39142	1825	45	both	both	DT
39142	1825	46	cases	case	NNS
39142	1825	47	they	-PRON-	PRP
39142	1825	48	are	be	VBP
39142	1825	49	images	image	NNS
39142	1825	50	of	of	IN
39142	1825	51	the	the	DT
39142	1825	52	disk	disk	NN
39142	1825	53	of	of	IN
39142	1825	54	the	the	DT
39142	1825	55	sun	sun	NN
39142	1825	56	at	at	IN
39142	1825	57	the	the	DT
39142	1825	58	time	time	NN
39142	1825	59	,	,	,
39142	1825	60	and	and	CC
39142	1825	61	the	the	DT
39142	1825	62	narrowing	narrow	VBG
39142	1825	63	crescents	crescent	NNS
39142	1825	64	will	will	MD
39142	1825	65	be	be	VB
39142	1825	66	watched	watch	VBN
39142	1825	67	with	with	IN
39142	1825	68	interest	interest	NN
39142	1825	69	as	as	IN
39142	1825	70	totality	totality	NN
39142	1825	71	approaches	approach	NNS
39142	1825	72	.	.	.
39142	1826	1	Then	then	RB
39142	1826	2	the	the	DT
39142	1826	3	shadow	shadow	NN
39142	1826	4	bands	band	NNS
39142	1826	5	may	may	MD
39142	1826	6	be	be	VB
39142	1826	7	seen	see	VBN
39142	1826	8	flitting	flit	VBG
39142	1826	9	across	across	IN
39142	1826	10	the	the	DT
39142	1826	11	landscape	landscape	NN
39142	1826	12	,	,	,
39142	1826	13	like	like	IN
39142	1826	14	"	"	``
39142	1826	15	visible	visible	JJ
39142	1826	16	wind	wind	NN
39142	1826	17	.	.	.
39142	1826	18	"	"	''
39142	1827	1	They	-PRON-	PRP
39142	1827	2	are	be	VBP
39142	1827	3	probably	probably	RB
39142	1827	4	related	related	JJ
39142	1827	5	to	to	IN
39142	1827	6	our	-PRON-	PRP$
39142	1827	7	atmosphere	atmosphere	NN
39142	1827	8	and	and	CC
39142	1827	9	the	the	DT
39142	1827	10	very	very	RB
39142	1827	11	slender	slend	JJR
39142	1827	12	crescent	crescent	NN
39142	1827	13	from	from	IN
39142	1827	14	which	which	WDT
39142	1827	15	true	true	JJ
39142	1827	16	sunlight	sunlight	NN
39142	1827	17	still	still	RB
39142	1827	18	comes	come	VBZ
39142	1827	19	.	.	.
39142	1828	1	Then	then	RB
39142	1828	2	for	for	IN
39142	1828	3	a	a	DT
39142	1828	4	few	few	JJ
39142	1828	5	seconds	second	NNS
39142	1828	6	the	the	DT
39142	1828	7	moon	moon	NN
39142	1828	8	's	's	POS
39142	1828	9	actual	actual	JJ
39142	1828	10	shadow	shadow	NN
39142	1828	11	may	may	MD
39142	1828	12	be	be	VB
39142	1828	13	caught	catch	VBN
39142	1828	14	in	in	IN
39142	1828	15	its	-PRON-	PRP$
39142	1828	16	approach	approach	NN
39142	1828	17	,	,	,
39142	1828	18	very	very	RB
39142	1828	19	suddenly	suddenly	RB
39142	1828	20	the	the	DT
39142	1828	21	darkness	darkness	NN
39142	1828	22	steals	steal	VBZ
39142	1828	23	over	over	IN
39142	1828	24	the	the	DT
39142	1828	25	landscape	landscape	NN
39142	1828	26	and	and	CC
39142	1828	27	--	--	:
39142	1828	28	totality	totality	NN
39142	1828	29	is	be	VBZ
39142	1828	30	on	on	IN
39142	1828	31	.	.	.
39142	1829	1	How	how	WRB
39142	1829	2	lucky	lucky	JJ
39142	1829	3	if	if	IN
39142	1829	4	there	there	EX
39142	1829	5	are	be	VBP
39142	1829	6	no	no	DT
39142	1829	7	clouds	cloud	NNS
39142	1829	8	!	!	.
39142	1830	1	Every	every	DT
39142	1830	2	eye	eye	NN
39142	1830	3	is	be	VBZ
39142	1830	4	riveted	rivet	VBN
39142	1830	5	on	on	IN
39142	1830	6	"	"	``
39142	1830	7	the	the	DT
39142	1830	8	incomparable	incomparable	JJ
39142	1830	9	corona	corona	NN
39142	1830	10	,	,	,
39142	1830	11	a	a	DT
39142	1830	12	silvery	silvery	JJ
39142	1830	13	,	,	,
39142	1830	14	soft	soft	JJ
39142	1830	15	,	,	,
39142	1830	16	unearthly	unearthly	JJ
39142	1830	17	light	light	NN
39142	1830	18	,	,	,
39142	1830	19	with	with	IN
39142	1830	20	radiant	radiant	JJ
39142	1830	21	streamers	streamer	NNS
39142	1830	22	,	,	,
39142	1830	23	stretching	stretch	VBG
39142	1830	24	at	at	IN
39142	1830	25	times	time	NNS
39142	1830	26	millions	million	NNS
39142	1830	27	of	of	IN
39142	1830	28	uncomprehended	uncomprehended	JJ
39142	1830	29	miles	mile	NNS
39142	1830	30	into	into	IN
39142	1830	31	space	space	NN
39142	1830	32	,	,	,
39142	1830	33	while	while	IN
39142	1830	34	the	the	DT
39142	1830	35	rosy	rosy	JJ
39142	1830	36	flaming	flaming	JJ
39142	1830	37	protuberances	protuberance	NNS
39142	1830	38	skirt	skirt	VBP
39142	1830	39	the	the	DT
39142	1830	40	black	black	JJ
39142	1830	41	rim	rim	NN
39142	1830	42	of	of	IN
39142	1830	43	the	the	DT
39142	1830	44	moon	moon	NN
39142	1830	45	in	in	IN
39142	1830	46	ethereal	ethereal	NNP
39142	1830	47	splendor	splendor	NNP
39142	1830	48	.	.	.
39142	1830	49	"	"	''
39142	1831	1	Then	then	RB
39142	1831	2	it	-PRON-	PRP
39142	1831	3	is	be	VBZ
39142	1831	4	now	now	RB
39142	1831	5	or	or	CC
39142	1831	6	never	never	RB
39142	1831	7	with	with	IN
39142	1831	8	observer	observer	NN
39142	1831	9	and	and	CC
39142	1831	10	photographer	photographer	NN
39142	1831	11	.	.	.
39142	1832	1	Months	month	NNS
39142	1832	2	of	of	IN
39142	1832	3	diligent	diligent	JJ
39142	1832	4	preparations	preparation	NNS
39142	1832	5	at	at	IN
39142	1832	6	home	home	NN
39142	1832	7	followed	follow	VBN
39142	1832	8	by	by	IN
39142	1832	9	weeks	week	NNS
39142	1832	10	of	of	IN
39142	1832	11	tedious	tedious	JJ
39142	1832	12	journey	journey	NN
39142	1832	13	abroad	abroad	RB
39142	1832	14	,	,	,
39142	1832	15	with	with	IN
39142	1832	16	days	day	NNS
39142	1832	17	of	of	IN
39142	1832	18	strenuous	strenuous	JJ
39142	1832	19	preparation	preparation	NN
39142	1832	20	and	and	CC
39142	1832	21	rehearsals	rehearsal	NNS
39142	1832	22	at	at	IN
39142	1832	23	the	the	DT
39142	1832	24	station	station	NN
39142	1832	25	--	--	:
39142	1832	26	all	all	DT
39142	1832	27	go	go	VBP
39142	1832	28	for	for	IN
39142	1832	29	naught	naught	NN
39142	1832	30	unless	unless	IN
39142	1832	31	the	the	DT
39142	1832	32	whole	whole	NN
39142	1832	33	is	be	VBZ
39142	1832	34	tuned	tune	VBN
39142	1832	35	up	up	RP
39142	1832	36	to	to	TO
39142	1832	37	perfect	perfect	VB
39142	1832	38	operation	operation	NN
39142	1832	39	the	the	DT
39142	1832	40	instant	instant	JJ
39142	1832	41	totality	totality	NN
39142	1832	42	begins	begin	VBZ
39142	1832	43	.	.	.
39142	1833	1	It	-PRON-	PRP
39142	1833	2	may	may	MD
39142	1833	3	last	last	VB
39142	1833	4	but	but	CC
39142	1833	5	a	a	DT
39142	1833	6	minute	minute	NN
39142	1833	7	,	,	,
39142	1833	8	or	or	CC
39142	1833	9	even	even	RB
39142	1833	10	less	less	JJR
39142	1833	11	;	;	:
39142	1833	12	in	in	IN
39142	1833	13	1937	1937	CD
39142	1833	14	,	,	,
39142	1833	15	however	however	RB
39142	1833	16	,	,	,
39142	1833	17	total	total	JJ
39142	1833	18	eclipse	eclipse	NN
39142	1833	19	will	will	MD
39142	1833	20	last	last	VB
39142	1833	21	7	7	CD
39142	1833	22	minutes	minute	NNS
39142	1833	23	20	20	CD
39142	1833	24	seconds	second	NNS
39142	1833	25	,	,	,
39142	1833	26	the	the	DT
39142	1833	27	longest	long	JJS
39142	1833	28	ever	ever	RB
39142	1833	29	observed	observe	VBN
39142	1833	30	,	,	,
39142	1833	31	and	and	CC
39142	1833	32	within	within	IN
39142	1833	33	half	half	PDT
39142	1833	34	a	a	DT
39142	1833	35	minute	minute	NN
39142	1833	36	of	of	IN
39142	1833	37	the	the	DT
39142	1833	38	longest	long	JJS
39142	1833	39	possible	possible	JJ
39142	1833	40	.	.	.
39142	1834	1	All	all	DT
39142	1834	2	is	be	VBZ
39142	1834	3	over	over	RB
39142	1834	4	as	as	RB
39142	1834	5	suddenly	suddenly	RB
39142	1834	6	as	as	IN
39142	1834	7	it	-PRON-	PRP
39142	1834	8	came	come	VBD
39142	1834	9	on	on	RP
39142	1834	10	.	.	.
39142	1835	1	The	the	DT
39142	1835	2	first	first	JJ
39142	1835	3	thing	thing	NN
39142	1835	4	is	be	VBZ
39142	1835	5	to	to	TO
39142	1835	6	complete	complete	VB
39142	1835	7	records	record	NNS
39142	1835	8	,	,	,
39142	1835	9	develop	develop	VB
39142	1835	10	plates	plate	NNS
39142	1835	11	,	,	,
39142	1835	12	and	and	CC
39142	1835	13	see	see	VB
39142	1835	14	if	if	IN
39142	1835	15	everything	everything	NN
39142	1835	16	worked	work	VBD
39142	1835	17	perfectly	perfectly	RB
39142	1835	18	.	.	.
39142	1836	1	There	there	EX
39142	1836	2	is	be	VBZ
39142	1836	3	great	great	JJ
39142	1836	4	utility	utility	NN
39142	1836	5	back	back	RB
39142	1836	6	of	of	IN
39142	1836	7	all	all	DT
39142	1836	8	eclipse	eclipse	NN
39142	1836	9	research	research	NN
39142	1836	10	,	,	,
39142	1836	11	on	on	IN
39142	1836	12	account	account	NN
39142	1836	13	of	of	IN
39142	1836	14	its	-PRON-	PRP$
39142	1836	15	wide	wide	JJ
39142	1836	16	bearing	bearing	NN
39142	1836	17	on	on	IN
39142	1836	18	meteorology	meteorology	NN
39142	1836	19	and	and	CC
39142	1836	20	terrestrial	terrestrial	JJ
39142	1836	21	physics	physics	NN
39142	1836	22	,	,	,
39142	1836	23	and	and	CC
39142	1836	24	possibly	possibly	RB
39142	1836	25	the	the	DT
39142	1836	26	direct	direct	JJ
39142	1836	27	use	use	NN
39142	1836	28	of	of	IN
39142	1836	29	solar	solar	JJ
39142	1836	30	energy	energy	NN
39142	1836	31	for	for	IN
39142	1836	32	industrial	industrial	JJ
39142	1836	33	purposes	purpose	NNS
39142	1836	34	.	.	.
39142	1837	1	With	with	IN
39142	1837	2	this	this	DT
39142	1837	3	purpose	purpose	NN
39142	1837	4	in	in	IN
39142	1837	5	view	view	NN
39142	1837	6	the	the	DT
39142	1837	7	astronomer	astronomer	NN
39142	1837	8	devotes	devote	VBZ
39142	1837	9	himself	-PRON-	PRP
39142	1837	10	unsparingly	unsparingly	RB
39142	1837	11	to	to	IN
39142	1837	12	the	the	DT
39142	1837	13	acquisition	acquisition	NN
39142	1837	14	of	of	IN
39142	1837	15	every	every	DT
39142	1837	16	possible	possible	JJ
39142	1837	17	fact	fact	NN
39142	1837	18	about	about	IN
39142	1837	19	the	the	DT
39142	1837	20	sun	sun	NN
39142	1837	21	and	and	CC
39142	1837	22	his	-PRON-	PRP$
39142	1837	23	corona	corona	NN
39142	1837	24	.	.	.
39142	1838	1	Considering	consider	VBG
39142	1838	2	the	the	DT
39142	1838	3	earth	earth	NN
39142	1838	4	as	as	IN
39142	1838	5	a	a	DT
39142	1838	6	whole	whole	NN
39142	1838	7	,	,	,
39142	1838	8	the	the	DT
39142	1838	9	number	number	NN
39142	1838	10	of	of	IN
39142	1838	11	total	total	JJ
39142	1838	12	eclipses	eclipse	NNS
39142	1838	13	will	will	MD
39142	1838	14	average	average	VB
39142	1838	15	nearly	nearly	RB
39142	1838	16	seventy	seventy	CD
39142	1838	17	to	to	IN
39142	1838	18	the	the	DT
39142	1838	19	century	century	NN
39142	1838	20	.	.	.
39142	1839	1	But	but	CC
39142	1839	2	at	at	IN
39142	1839	3	any	any	DT
39142	1839	4	given	give	VBN
39142	1839	5	place	place	NN
39142	1839	6	,	,	,
39142	1839	7	one	one	PRP
39142	1839	8	may	may	MD
39142	1839	9	count	count	VB
39142	1839	10	himself	-PRON-	PRP
39142	1839	11	very	very	RB
39142	1839	12	fortunate	fortunate	JJ
39142	1839	13	if	if	IN
39142	1839	14	he	-PRON-	PRP
39142	1839	15	sees	see	VBZ
39142	1839	16	a	a	DT
39142	1839	17	single	single	JJ
39142	1839	18	total	total	JJ
39142	1839	19	eclipse	eclipse	NN
39142	1839	20	,	,	,
39142	1839	21	although	although	IN
39142	1839	22	he	-PRON-	PRP
39142	1839	23	may	may	MD
39142	1839	24	see	see	VB
39142	1839	25	several	several	JJ
39142	1839	26	partial	partial	JJ
39142	1839	27	ones	one	NNS
39142	1839	28	without	without	IN
39142	1839	29	going	go	VBG
39142	1839	30	from	from	IN
39142	1839	31	home	home	NN
39142	1839	32	.	.	.
39142	1840	1	Then	then	RB
39142	1840	2	,	,	,
39142	1840	3	too	too	RB
39142	1840	4	,	,	,
39142	1840	5	there	there	EX
39142	1840	6	are	be	VBP
39142	1840	7	annular	annular	JJ
39142	1840	8	or	or	CC
39142	1840	9	ring	ring	NN
39142	1840	10	eclipses	eclipse	NNS
39142	1840	11	,	,	,
39142	1840	12	averaging	average	VBG
39142	1840	13	seven	seven	CD
39142	1840	14	in	in	IN
39142	1840	15	eight	eight	CD
39142	1840	16	years	year	NNS
39142	1840	17	.	.	.
39142	1841	1	But	but	CC
39142	1841	2	had	have	VBD
39142	1841	3	one	one	CD
39142	1841	4	been	be	VBN
39142	1841	5	born	bear	VBN
39142	1841	6	in	in	IN
39142	1841	7	Boston	Boston	NNP
39142	1841	8	or	or	CC
39142	1841	9	New	New	NNP
39142	1841	10	York	York	NNP
39142	1841	11	in	in	IN
39142	1841	12	the	the	DT
39142	1841	13	latter	latter	JJ
39142	1841	14	part	part	NN
39142	1841	15	of	of	IN
39142	1841	16	the	the	DT
39142	1841	17	eighteenth	eighteenth	JJ
39142	1841	18	century	century	NN
39142	1841	19	,	,	,
39142	1841	20	he	-PRON-	PRP
39142	1841	21	might	may	MD
39142	1841	22	have	have	VB
39142	1841	23	lived	live	VBN
39142	1841	24	through	through	IN
39142	1841	25	the	the	DT
39142	1841	26	entire	entire	JJ
39142	1841	27	nineteenth	nineteenth	JJ
39142	1841	28	century	century	NN
39142	1841	29	and	and	CC
39142	1841	30	a	a	DT
39142	1841	31	long	long	JJ
39142	1841	32	way	way	NN
39142	1841	33	into	into	IN
39142	1841	34	the	the	DT
39142	1841	35	twentieth	twentieth	JJ
39142	1841	36	without	without	IN
39142	1841	37	seeing	see	VBG
39142	1841	38	more	more	JJR
39142	1841	39	than	than	IN
39142	1841	40	one	one	CD
39142	1841	41	total	total	JJ
39142	1841	42	eclipse	eclipse	NN
39142	1841	43	of	of	IN
39142	1841	44	the	the	DT
39142	1841	45	sun	sun	NN
39142	1841	46	.	.	.
39142	1842	1	In	in	IN
39142	1842	2	London	London	NNP
39142	1842	3	in	in	IN
39142	1842	4	1715	1715	CD
39142	1842	5	no	no	DT
39142	1842	6	total	total	JJ
39142	1842	7	eclipse	eclipse	NN
39142	1842	8	had	have	VBD
39142	1842	9	been	be	VBN
39142	1842	10	visible	visible	JJ
39142	1842	11	for	for	IN
39142	1842	12	six	six	CD
39142	1842	13	centuries	century	NNS
39142	1842	14	.	.	.
39142	1843	1	However	however	RB
39142	1843	2	,	,	,
39142	1843	3	taking	take	VBG
39142	1843	4	general	general	JJ
39142	1843	5	averages	average	NNS
39142	1843	6	,	,	,
39142	1843	7	and	and	CC
39142	1843	8	recalling	recall	VBG
39142	1843	9	the	the	DT
39142	1843	10	comparatively	comparatively	RB
39142	1843	11	narrow	narrow	JJ
39142	1843	12	belt	belt	NN
39142	1843	13	of	of	IN
39142	1843	14	total	total	JJ
39142	1843	15	eclipse	eclipse	NN
39142	1843	16	,	,	,
39142	1843	17	every	every	DT
39142	1843	18	part	part	NN
39142	1843	19	of	of	IN
39142	1843	20	the	the	DT
39142	1843	21	earth	earth	NN
39142	1843	22	is	be	VBZ
39142	1843	23	likely	likely	JJ
39142	1843	24	to	to	TO
39142	1843	25	come	come	VB
39142	1843	26	within	within	IN
39142	1843	27	range	range	NN
39142	1843	28	of	of	IN
39142	1843	29	the	the	DT
39142	1843	30	moon	moon	NN
39142	1843	31	's	's	POS
39142	1843	32	shadow	shadow	NN
39142	1843	33	once	once	RB
39142	1843	34	in	in	IN
39142	1843	35	about	about	RB
39142	1843	36	three	three	CD
39142	1843	37	and	and	CC
39142	1843	38	a	a	DT
39142	1843	39	half	half	NN
39142	1843	40	centuries	century	NNS
39142	1843	41	.	.	.
39142	1844	1	The	the	DT
39142	1844	2	longest	long	JJS
39142	1844	3	total	total	JJ
39142	1844	4	eclipses	eclipse	NNS
39142	1844	5	always	always	RB
39142	1844	6	occur	occur	VBP
39142	1844	7	near	near	IN
39142	1844	8	the	the	DT
39142	1844	9	equator	equator	NN
39142	1844	10	;	;	:
39142	1844	11	this	this	DT
39142	1844	12	is	be	VBZ
39142	1844	13	because	because	IN
39142	1844	14	an	an	DT
39142	1844	15	observer	observer	NN
39142	1844	16	on	on	IN
39142	1844	17	the	the	DT
39142	1844	18	equator	equator	NN
39142	1844	19	is	be	VBZ
39142	1844	20	carried	carry	VBN
39142	1844	21	eastward	eastward	RB
39142	1844	22	by	by	IN
39142	1844	23	the	the	DT
39142	1844	24	earth	earth	NN
39142	1844	25	's	's	POS
39142	1844	26	rotation	rotation	NN
39142	1844	27	at	at	IN
39142	1844	28	a	a	DT
39142	1844	29	velocity	velocity	NN
39142	1844	30	of	of	IN
39142	1844	31	about	about	RB
39142	1844	32	1,000	1,000	CD
39142	1844	33	miles	mile	NNS
39142	1844	34	per	per	IN
39142	1844	35	hour	hour	NN
39142	1844	36	,	,	,
39142	1844	37	so	so	IN
39142	1844	38	that	that	IN
39142	1844	39	he	-PRON-	PRP
39142	1844	40	remains	remain	VBZ
39142	1844	41	longer	long	RBR
39142	1844	42	in	in	IN
39142	1844	43	the	the	DT
39142	1844	44	moon	moon	NN
39142	1844	45	's	's	POS
39142	1844	46	shadow	shadow	NN
39142	1844	47	which	which	WDT
39142	1844	48	is	be	VBZ
39142	1844	49	passing	pass	VBG
39142	1844	50	over	over	IN
39142	1844	51	him	-PRON-	PRP
39142	1844	52	in	in	IN
39142	1844	53	the	the	DT
39142	1844	54	same	same	JJ
39142	1844	55	direction	direction	NN
39142	1844	56	with	with	IN
39142	1844	57	a	a	DT
39142	1844	58	velocity	velocity	NN
39142	1844	59	about	about	IN
39142	1844	60	twice	twice	RB
39142	1844	61	as	as	RB
39142	1844	62	great	great	JJ
39142	1844	63	.	.	.
39142	1845	1	The	the	DT
39142	1845	2	general	general	JJ
39142	1845	3	circumstances	circumstance	NNS
39142	1845	4	of	of	IN
39142	1845	5	total	total	JJ
39142	1845	6	eclipses	eclipse	NNS
39142	1845	7	are	be	VBP
39142	1845	8	readily	readily	RB
39142	1845	9	foretold	foretell	VBN
39142	1845	10	by	by	IN
39142	1845	11	means	mean	NNS
39142	1845	12	of	of	IN
39142	1845	13	the	the	DT
39142	1845	14	ancient	ancient	JJ
39142	1845	15	Chaldean	chaldean	JJ
39142	1845	16	period	period	NN
39142	1845	17	of	of	IN
39142	1845	18	eclipses	eclipse	NNS
39142	1845	19	known	know	VBN
39142	1845	20	as	as	IN
39142	1845	21	the	the	DT
39142	1845	22	saros	saro	NNS
39142	1845	23	.	.	.
39142	1846	1	It	-PRON-	PRP
39142	1846	2	is	be	VBZ
39142	1846	3	18	18	CD
39142	1846	4	years	year	NNS
39142	1846	5	and	and	CC
39142	1846	6	10	10	CD
39142	1846	7	or	or	CC
39142	1846	8	11	11	CD
39142	1846	9	days	day	NNS
39142	1846	10	in	in	IN
39142	1846	11	length	length	NN
39142	1846	12	(	(	-LRB-
39142	1846	13	according	accord	VBG
39142	1846	14	to	to	IN
39142	1846	15	the	the	DT
39142	1846	16	number	number	NN
39142	1846	17	of	of	IN
39142	1846	18	leap	leap	NNP
39142	1846	19	years	year	NNS
39142	1846	20	intervening	intervene	VBG
39142	1846	21	)	)	-RRB-
39142	1846	22	.	.	.
39142	1847	1	In	in	IN
39142	1847	2	one	one	CD
39142	1847	3	complete	complete	JJ
39142	1847	4	saros	saro	NNS
39142	1847	5	,	,	,
39142	1847	6	forty	forty	CD
39142	1847	7	-	-	HYPH
39142	1847	8	one	one	CD
39142	1847	9	solar	solar	JJ
39142	1847	10	eclipses	eclipse	NNS
39142	1847	11	will	will	MD
39142	1847	12	generally	generally	RB
39142	1847	13	happen	happen	VB
39142	1847	14	,	,	,
39142	1847	15	but	but	CC
39142	1847	16	only	only	RB
39142	1847	17	about	about	RB
39142	1847	18	one	one	CD
39142	1847	19	-	-	HYPH
39142	1847	20	fourth	fourth	NN
39142	1847	21	of	of	IN
39142	1847	22	them	-PRON-	PRP
39142	1847	23	will	will	MD
39142	1847	24	be	be	VB
39142	1847	25	total	total	JJ
39142	1847	26	.	.	.
39142	1848	1	The	the	DT
39142	1848	2	saros	saro	NNS
39142	1848	3	is	be	VBZ
39142	1848	4	a	a	DT
39142	1848	5	period	period	NN
39142	1848	6	at	at	IN
39142	1848	7	the	the	DT
39142	1848	8	end	end	NN
39142	1848	9	of	of	IN
39142	1848	10	which	which	WDT
39142	1848	11	the	the	DT
39142	1848	12	centers	center	NNS
39142	1848	13	of	of	IN
39142	1848	14	sun	sun	NN
39142	1848	15	and	and	CC
39142	1848	16	moon	moon	NNP
39142	1848	17	return	return	VB
39142	1848	18	very	very	RB
39142	1848	19	nearly	nearly	RB
39142	1848	20	to	to	IN
39142	1848	21	their	-PRON-	PRP$
39142	1848	22	relative	relative	JJ
39142	1848	23	positions	position	NNS
39142	1848	24	at	at	IN
39142	1848	25	the	the	DT
39142	1848	26	beginning	beginning	NN
39142	1848	27	of	of	IN
39142	1848	28	the	the	DT
39142	1848	29	cycle	cycle	NN
39142	1848	30	.	.	.
39142	1849	1	So	so	CC
39142	1849	2	,	,	,
39142	1849	3	in	in	IN
39142	1849	4	general	general	JJ
39142	1849	5	,	,	,
39142	1849	6	the	the	DT
39142	1849	7	eclipse	eclipse	NN
39142	1849	8	of	of	IN
39142	1849	9	any	any	DT
39142	1849	10	year	year	NN
39142	1849	11	will	will	MD
39142	1849	12	be	be	VB
39142	1849	13	a	a	DT
39142	1849	14	repetition	repetition	NN
39142	1849	15	of	of	IN
39142	1849	16	one	one	CD
39142	1849	17	which	which	WDT
39142	1849	18	took	take	VBD
39142	1849	19	place	place	NN
39142	1849	20	18	18	CD
39142	1849	21	years	year	NNS
39142	1849	22	before	before	RB
39142	1849	23	,	,	,
39142	1849	24	and	and	CC
39142	1849	25	another	another	DT
39142	1849	26	very	very	RB
39142	1849	27	similar	similar	JJ
39142	1849	28	in	in	IN
39142	1849	29	circumstances	circumstance	NNS
39142	1849	30	will	will	MD
39142	1849	31	happen	happen	VB
39142	1849	32	18	18	CD
39142	1849	33	years	year	NNS
39142	1849	34	in	in	IN
39142	1849	35	the	the	DT
39142	1849	36	future	future	NN
39142	1849	37	.	.	.
39142	1850	1	Three	three	CD
39142	1850	2	periods	period	NNS
39142	1850	3	of	of	IN
39142	1850	4	the	the	DT
39142	1850	5	saros	saro	NNS
39142	1850	6	,	,	,
39142	1850	7	or	or	CC
39142	1850	8	54	54	CD
39142	1850	9	years	year	NNS
39142	1850	10	and	and	CC
39142	1850	11	1	1	CD
39142	1850	12	month	month	NN
39142	1850	13	,	,	,
39142	1850	14	will	will	MD
39142	1850	15	usually	usually	RB
39142	1850	16	bring	bring	VB
39142	1850	17	about	about	RP
39142	1850	18	a	a	DT
39142	1850	19	return	return	NN
39142	1850	20	of	of	IN
39142	1850	21	any	any	DT
39142	1850	22	given	give	VBN
39142	1850	23	eclipse	eclipse	NN
39142	1850	24	to	to	IN
39142	1850	25	any	any	DT
39142	1850	26	particular	particular	JJ
39142	1850	27	part	part	NN
39142	1850	28	of	of	IN
39142	1850	29	the	the	DT
39142	1850	30	earth	earth	NN
39142	1850	31	,	,	,
39142	1850	32	so	so	RB
39142	1850	33	far	far	RB
39142	1850	34	as	as	IN
39142	1850	35	longitude	longitude	NN
39142	1850	36	is	be	VBZ
39142	1850	37	concerned	concern	VBN
39142	1850	38	,	,	,
39142	1850	39	though	though	IN
39142	1850	40	the	the	DT
39142	1850	41	returning	return	VBG
39142	1850	42	track	track	NN
39142	1850	43	will	will	MD
39142	1850	44	lie	lie	VB
39142	1850	45	about	about	RB
39142	1850	46	600	600	CD
39142	1850	47	miles	mile	NNS
39142	1850	48	to	to	IN
39142	1850	49	the	the	DT
39142	1850	50	north	north	NN
39142	1850	51	or	or	CC
39142	1850	52	south	south	RB
39142	1850	53	of	of	IN
39142	1850	54	the	the	DT
39142	1850	55	one	one	CD
39142	1850	56	54	54	CD
39142	1850	57	years	year	NNS
39142	1850	58	earlier	early	RBR
39142	1850	59	.	.	.
39142	1851	1	Paths	path	NNS
39142	1851	2	of	of	IN
39142	1851	3	total	total	JJ
39142	1851	4	eclipses	eclipse	NNS
39142	1851	5	frequently	frequently	RB
39142	1851	6	intersect	intersect	VBP
39142	1851	7	,	,	,
39142	1851	8	if	if	IN
39142	1851	9	large	large	JJ
39142	1851	10	areas	area	NNS
39142	1851	11	like	like	IN
39142	1851	12	an	an	DT
39142	1851	13	entire	entire	JJ
39142	1851	14	country	country	NN
39142	1851	15	are	be	VBP
39142	1851	16	considered	consider	VBN
39142	1851	17	;	;	:
39142	1851	18	Spain	Spain	NNP
39142	1851	19	,	,	,
39142	1851	20	for	for	IN
39142	1851	21	instance	instance	NN
39142	1851	22	,	,	,
39142	1851	23	where	where	WRB
39142	1851	24	total	total	JJ
39142	1851	25	eclipses	eclipse	NNS
39142	1851	26	have	have	VBP
39142	1851	27	occurred	occur	VBN
39142	1851	28	in	in	IN
39142	1851	29	1842	1842	CD
39142	1851	30	,	,	,
39142	1851	31	1860	1860	CD
39142	1851	32	,	,	,
39142	1851	33	1870	1870	CD
39142	1851	34	,	,	,
39142	1851	35	1900	1900	CD
39142	1851	36	and	and	CC
39142	1851	37	1905	1905	CD
39142	1851	38	.	.	.
39142	1852	1	Besides	besides	IN
39142	1852	2	crossing	cross	VBG
39142	1852	3	Spain	Spain	NNP
39142	1852	4	,	,	,
39142	1852	5	the	the	DT
39142	1852	6	tracks	track	NNS
39142	1852	7	of	of	IN
39142	1852	8	totality	totality	NN
39142	1852	9	on	on	IN
39142	1852	10	May	May	NNP
39142	1852	11	28	28	CD
39142	1852	12	,	,	,
39142	1852	13	1900	1900	CD
39142	1852	14	,	,	,
39142	1852	15	and	and	CC
39142	1852	16	August	August	NNP
39142	1852	17	30	30	CD
39142	1852	18	,	,	,
39142	1852	19	1905	1905	CD
39142	1852	20	,	,	,
39142	1852	21	were	be	VBD
39142	1852	22	unique	unique	JJ
39142	1852	23	in	in	IN
39142	1852	24	intersecting	intersect	VBG
39142	1852	25	exactly	exactly	RB
39142	1852	26	over	over	IN
39142	1852	27	a	a	DT
39142	1852	28	large	large	JJ
39142	1852	29	city	city	NN
39142	1852	30	--	--	:
39142	1852	31	Tripoli	Tripoli	NNP
39142	1852	32	in	in	IN
39142	1852	33	Barbary	Barbary	NNP
39142	1852	34	,	,	,
39142	1852	35	on	on	IN
39142	1852	36	both	both	DT
39142	1852	37	of	of	IN
39142	1852	38	which	which	WDT
39142	1852	39	occasions	occasion	NNS
39142	1852	40	the	the	DT
39142	1852	41	writer	writer	NN
39142	1852	42	's	's	POS
39142	1852	43	expeditions	expedition	NNS
39142	1852	44	to	to	IN
39142	1852	45	that	that	DT
39142	1852	46	city	city	NN
39142	1852	47	were	be	VBD
39142	1852	48	rewarded	reward	VBN
39142	1852	49	with	with	IN
39142	1852	50	perfect	perfect	JJ
39142	1852	51	observing	observing	NN
39142	1852	52	conditions	condition	NNS
39142	1852	53	in	in	IN
39142	1852	54	that	that	DT
39142	1852	55	now	now	RB
39142	1852	56	Italian	italian	JJ
39142	1852	57	province	province	NN
39142	1852	58	on	on	IN
39142	1852	59	the	the	DT
39142	1852	60	edge	edge	NN
39142	1852	61	of	of	IN
39142	1852	62	the	the	DT
39142	1852	63	great	great	JJ
39142	1852	64	desert	desert	NN
39142	1852	65	.	.	.
39142	1853	1	Kepler	Kepler	NNP
39142	1853	2	was	be	VBD
39142	1853	3	the	the	DT
39142	1853	4	first	first	JJ
39142	1853	5	astronomer	astronomer	NN
39142	1853	6	to	to	TO
39142	1853	7	calculate	calculate	VB
39142	1853	8	eclipses	eclipse	NNS
39142	1853	9	with	with	IN
39142	1853	10	some	some	DT
39142	1853	11	approach	approach	NN
39142	1853	12	to	to	IN
39142	1853	13	scientific	scientific	JJ
39142	1853	14	form	form	NN
39142	1853	15	,	,	,
39142	1853	16	as	as	IN
39142	1853	17	exemplified	exemplify	VBN
39142	1853	18	in	in	IN
39142	1853	19	his	-PRON-	PRP$
39142	1853	20	Rudolphine	Rudolphine	NNP
39142	1853	21	Tables	Tables	NNP
39142	1853	22	.	.	.
39142	1854	1	His	-PRON-	PRP$
39142	1854	2	method	method	NN
39142	1854	3	was	be	VBD
39142	1854	4	of	of	IN
39142	1854	5	course	course	NN
39142	1854	6	geometrical	geometrical	NN
39142	1854	7	.	.	.
39142	1855	1	But	but	CC
39142	1855	2	La	La	NNP
39142	1855	3	Grange	Grange	NNP
39142	1855	4	,	,	,
39142	1855	5	who	who	WP
39142	1855	6	applied	apply	VBD
39142	1855	7	the	the	DT
39142	1855	8	methods	method	NNS
39142	1855	9	of	of	IN
39142	1855	10	more	more	RBR
39142	1855	11	refined	refined	JJ
39142	1855	12	analysis	analysis	NN
39142	1855	13	to	to	IN
39142	1855	14	the	the	DT
39142	1855	15	problem	problem	NN
39142	1855	16	,	,	,
39142	1855	17	was	be	VBD
39142	1855	18	the	the	DT
39142	1855	19	first	first	JJ
39142	1855	20	to	to	TO
39142	1855	21	develop	develop	VB
39142	1855	22	a	a	DT
39142	1855	23	method	method	NN
39142	1855	24	by	by	IN
39142	1855	25	which	which	WDT
39142	1855	26	an	an	DT
39142	1855	27	eclipse	eclipse	NN
39142	1855	28	and	and	CC
39142	1855	29	all	all	DT
39142	1855	30	its	-PRON-	PRP$
39142	1855	31	circumstances	circumstance	NNS
39142	1855	32	could	could	MD
39142	1855	33	be	be	VB
39142	1855	34	accurately	accurately	RB
39142	1855	35	predicted	predict	VBN
39142	1855	36	for	for	IN
39142	1855	37	any	any	DT
39142	1855	38	part	part	NN
39142	1855	39	of	of	IN
39142	1855	40	the	the	DT
39142	1855	41	earth	earth	NN
39142	1855	42	.	.	.
39142	1856	1	To	to	IN
39142	1856	2	many	many	JJ
39142	1856	3	minds	mind	NNS
39142	1856	4	,	,	,
39142	1856	5	the	the	DT
39142	1856	6	prediction	prediction	NN
39142	1856	7	of	of	IN
39142	1856	8	an	an	DT
39142	1856	9	eclipse	eclipse	NN
39142	1856	10	affords	afford	VBZ
39142	1856	11	the	the	DT
39142	1856	12	best	good	JJS
39142	1856	13	illustration	illustration	NN
39142	1856	14	of	of	IN
39142	1856	15	the	the	DT
39142	1856	16	superior	superior	JJ
39142	1856	17	knowledge	knowledge	NN
39142	1856	18	of	of	IN
39142	1856	19	the	the	DT
39142	1856	20	astronomer	astronomer	NN
39142	1856	21	:	:	:
39142	1856	22	it	-PRON-	PRP
39142	1856	23	seems	seem	VBZ
39142	1856	24	little	little	JJ
39142	1856	25	short	short	JJ
39142	1856	26	of	of	IN
39142	1856	27	the	the	DT
39142	1856	28	marvelous	marvelous	JJ
39142	1856	29	.	.	.
39142	1857	1	But	but	CC
39142	1857	2	recalling	recall	VBG
39142	1857	3	that	that	IN
39142	1857	4	the	the	DT
39142	1857	5	motion	motion	NN
39142	1857	6	of	of	IN
39142	1857	7	the	the	DT
39142	1857	8	moon	moon	NN
39142	1857	9	follows	follow	VBZ
39142	1857	10	the	the	DT
39142	1857	11	law	law	NN
39142	1857	12	of	of	IN
39142	1857	13	gravitation	gravitation	NN
39142	1857	14	,	,	,
39142	1857	15	and	and	CC
39142	1857	16	that	that	IN
39142	1857	17	its	-PRON-	PRP$
39142	1857	18	position	position	NN
39142	1857	19	in	in	IN
39142	1857	20	the	the	DT
39142	1857	21	sky	sky	NN
39142	1857	22	is	be	VBZ
39142	1857	23	predictable	predictable	JJ
39142	1857	24	for	for	IN
39142	1857	25	years	year	NNS
39142	1857	26	in	in	IN
39142	1857	27	advance	advance	NN
39142	1857	28	with	with	IN
39142	1857	29	a	a	DT
39142	1857	30	high	high	JJ
39142	1857	31	degree	degree	NN
39142	1857	32	of	of	IN
39142	1857	33	precision	precision	NN
39142	1857	34	,	,	,
39142	1857	35	it	-PRON-	PRP
39142	1857	36	will	will	MD
39142	1857	37	readily	readily	RB
39142	1857	38	be	be	VB
39142	1857	39	seen	see	VBN
39142	1857	40	how	how	WRB
39142	1857	41	the	the	DT
39142	1857	42	arrival	arrival	NN
39142	1857	43	of	of	IN
39142	1857	44	the	the	DT
39142	1857	45	moon	moon	NN
39142	1857	46	's	's	POS
39142	1857	47	shadow	shadow	NN
39142	1857	48	,	,	,
39142	1857	49	and	and	CC
39142	1857	50	hence	hence	RB
39142	1857	51	the	the	DT
39142	1857	52	total	total	JJ
39142	1857	53	eclipses	eclipse	NNS
39142	1857	54	of	of	IN
39142	1857	55	the	the	DT
39142	1857	56	sun	sun	NN
39142	1857	57	,	,	,
39142	1857	58	can	can	MD
39142	1857	59	be	be	VB
39142	1857	60	foretold	foretell	VBN
39142	1857	61	for	for	IN
39142	1857	62	any	any	DT
39142	1857	63	place	place	NN
39142	1857	64	over	over	IN
39142	1857	65	which	which	WDT
39142	1857	66	the	the	DT
39142	1857	67	shadow	shadow	NN
39142	1857	68	passes	pass	VBZ
39142	1857	69	.	.	.
39142	1858	1	All	all	PDT
39142	1858	2	these	these	DT
39142	1858	3	data	datum	NNS
39142	1858	4	derived	derive	VBN
39142	1858	5	by	by	IN
39142	1858	6	the	the	DT
39142	1858	7	mathematician	mathematician	NNP
39142	1858	8	are	be	VBP
39142	1858	9	known	know	VBN
39142	1858	10	as	as	IN
39142	1858	11	the	the	DT
39142	1858	12	elements	element	NNS
39142	1858	13	of	of	IN
39142	1858	14	the	the	DT
39142	1858	15	eclipse	eclipse	NN
39142	1858	16	,	,	,
39142	1858	17	and	and	CC
39142	1858	18	they	-PRON-	PRP
39142	1858	19	are	be	VBP
39142	1858	20	prepared	prepare	VBN
39142	1858	21	many	many	JJ
39142	1858	22	years	year	NNS
39142	1858	23	in	in	IN
39142	1858	24	advance	advance	NN
39142	1858	25	and	and	CC
39142	1858	26	published	publish	VBN
39142	1858	27	in	in	IN
39142	1858	28	the	the	DT
39142	1858	29	nautical	nautical	JJ
39142	1858	30	almanacs	almanacs	NN
39142	1858	31	and	and	CC
39142	1858	32	astronomical	astronomical	JJ
39142	1858	33	ephemerides	ephemeris	NNS
39142	1858	34	issued	issue	VBN
39142	1858	35	by	by	IN
39142	1858	36	the	the	DT
39142	1858	37	leading	lead	VBG
39142	1858	38	nations	nation	NNS
39142	1858	39	.	.	.
39142	1859	1	Buchanan	Buchanan	NNP
39142	1859	2	's	's	POS
39142	1859	3	"	"	``
39142	1859	4	Treatise	Treatise	NNP
39142	1859	5	on	on	RP
39142	1859	6	Eclipses	Eclipses	NNPS
39142	1859	7	"	"	''
39142	1859	8	will	will	MD
39142	1859	9	supply	supply	VB
39142	1859	10	all	all	PDT
39142	1859	11	the	the	DT
39142	1859	12	technical	technical	JJ
39142	1859	13	information	information	NN
39142	1859	14	regarding	regard	VBG
39142	1859	15	the	the	DT
39142	1859	16	prediction	prediction	NN
39142	1859	17	of	of	IN
39142	1859	18	eclipses	eclipse	VBZ
39142	1859	19	that	that	IN
39142	1859	20	anyone	anyone	NN
39142	1859	21	desirous	desirous	JJ
39142	1859	22	of	of	IN
39142	1859	23	inquiring	inquire	VBG
39142	1859	24	into	into	IN
39142	1859	25	this	this	DT
39142	1859	26	phase	phase	NN
39142	1859	27	of	of	IN
39142	1859	28	the	the	DT
39142	1859	29	problem	problem	NN
39142	1859	30	may	may	MD
39142	1859	31	desire	desire	VB
39142	1859	32	.	.	.
39142	1860	1	So	so	RB
39142	1860	2	important	important	JJ
39142	1860	3	are	be	VBP
39142	1860	4	total	total	JJ
39142	1860	5	eclipses	eclipse	NNS
39142	1860	6	in	in	IN
39142	1860	7	the	the	DT
39142	1860	8	scheme	scheme	NN
39142	1860	9	of	of	IN
39142	1860	10	modern	modern	JJ
39142	1860	11	solar	solar	JJ
39142	1860	12	research	research	NN
39142	1860	13	,	,	,
39142	1860	14	and	and	CC
39142	1860	15	so	so	RB
39142	1860	16	necessary	necessary	JJ
39142	1860	17	are	be	VBP
39142	1860	18	clear	clear	JJ
39142	1860	19	skies	sky	NNS
39142	1860	20	in	in	IN
39142	1860	21	order	order	NN
39142	1860	22	that	that	IN
39142	1860	23	expeditions	expedition	NNS
39142	1860	24	may	may	MD
39142	1860	25	be	be	VB
39142	1860	26	favored	favor	VBN
39142	1860	27	with	with	IN
39142	1860	28	success	success	NN
39142	1860	29	,	,	,
39142	1860	30	that	that	IN
39142	1860	31	every	every	DT
39142	1860	32	effort	effort	NN
39142	1860	33	is	be	VBZ
39142	1860	34	now	now	RB
39142	1860	35	made	make	VBN
39142	1860	36	to	to	TO
39142	1860	37	ascertain	ascertain	VB
39142	1860	38	the	the	DT
39142	1860	39	weather	weather	NN
39142	1860	40	chances	chance	NNS
39142	1860	41	at	at	IN
39142	1860	42	particular	particular	JJ
39142	1860	43	stations	station	NNS
39142	1860	44	along	along	IN
39142	1860	45	the	the	DT
39142	1860	46	line	line	NN
39142	1860	47	of	of	IN
39142	1860	48	eclipse	eclipse	NN
39142	1860	49	many	many	JJ
39142	1860	50	years	year	NNS
39142	1860	51	in	in	IN
39142	1860	52	advance	advance	NN
39142	1860	53	.	.	.
39142	1861	1	This	this	DT
39142	1861	2	method	method	NN
39142	1861	3	of	of	IN
39142	1861	4	securing	secure	VBG
39142	1861	5	preliminary	preliminary	JJ
39142	1861	6	cloud	cloud	NN
39142	1861	7	observations	observation	NNS
39142	1861	8	for	for	IN
39142	1861	9	a	a	DT
39142	1861	10	series	series	NN
39142	1861	11	of	of	IN
39142	1861	12	years	year	NNS
39142	1861	13	has	have	VBZ
39142	1861	14	proved	prove	VBN
39142	1861	15	especially	especially	RB
39142	1861	16	useful	useful	JJ
39142	1861	17	for	for	IN
39142	1861	18	the	the	DT
39142	1861	19	eclipses	eclipse	NNS
39142	1861	20	of	of	IN
39142	1861	21	1893	1893	CD
39142	1861	22	,	,	,
39142	1861	23	1896	1896	CD
39142	1861	24	,	,	,
39142	1861	25	1900	1900	CD
39142	1861	26	,	,	,
39142	1861	27	and	and	CC
39142	1861	28	1918	1918	CD
39142	1861	29	;	;	:
39142	1861	30	and	and	CC
39142	1861	31	had	have	VBD
39142	1861	32	it	-PRON-	PRP
39142	1861	33	been	be	VBN
39142	1861	34	employed	employ	VBN
39142	1861	35	in	in	IN
39142	1861	36	Russia	Russia	NNP
39142	1861	37	for	for	IN
39142	1861	38	totality	totality	NN
39142	1861	39	of	of	IN
39142	1861	40	1914	1914	CD
39142	1861	41	,	,	,
39142	1861	42	many	many	JJ
39142	1861	43	well	well	RB
39142	1861	44	-	-	HYPH
39142	1861	45	equipped	equip	VBN
39142	1861	46	expeditions	expedition	NNS
39142	1861	47	might	may	MD
39142	1861	48	have	have	VB
39142	1861	49	been	be	VBN
39142	1861	50	spared	spare	VBN
39142	1861	51	disaster	disaster	NN
39142	1861	52	.	.	.
39142	1862	1	The	the	DT
39142	1862	2	California	California	NNP
39142	1862	3	and	and	CC
39142	1862	4	Mexico	Mexico	NNP
39142	1862	5	totality	totality	NN
39142	1862	6	of	of	IN
39142	1862	7	1923	1923	CD
39142	1862	8	does	do	VBZ
39142	1862	9	not	not	RB
39142	1862	10	require	require	VB
39142	1862	11	this	this	DT
39142	1862	12	forethought	forethought	NN
39142	1862	13	,	,	,
39142	1862	14	as	as	IN
39142	1862	15	the	the	DT
39142	1862	16	regions	region	NNS
39142	1862	17	visited	visit	VBD
39142	1862	18	are	be	VBP
39142	1862	19	quite	quite	RB
39142	1862	20	likely	likely	JJ
39142	1862	21	to	to	TO
39142	1862	22	be	be	VB
39142	1862	23	free	free	JJ
39142	1862	24	from	from	IN
39142	1862	25	cloud	cloud	NN
39142	1862	26	;	;	,
39142	1862	27	but	but	CC
39142	1862	28	observations	observation	NNS
39142	1862	29	are	be	VBP
39142	1862	30	now	now	RB
39142	1862	31	in	in	IN
39142	1862	32	process	process	NN
39142	1862	33	of	of	IN
39142	1862	34	accumulation	accumulation	NN
39142	1862	35	for	for	IN
39142	1862	36	the	the	DT
39142	1862	37	total	total	JJ
39142	1862	38	eclipse	eclipse	NN
39142	1862	39	of	of	IN
39142	1862	40	1925	1925	CD
39142	1862	41	.	.	.
39142	1863	1	The	the	DT
39142	1863	2	out	out	JJ
39142	1863	3	-	-	HYPH
39142	1863	4	look	look	VB
39142	1863	5	for	for	IN
39142	1863	6	clear	clear	JJ
39142	1863	7	skies	sky	NNS
39142	1863	8	on	on	IN
39142	1863	9	that	that	DT
39142	1863	10	occasion	occasion	NN
39142	1863	11	,	,	,
39142	1863	12	the	the	DT
39142	1863	13	total	total	JJ
39142	1863	14	eclipse	eclipse	NN
39142	1863	15	nearest	near	JJS
39142	1863	16	New	New	NNP
39142	1863	17	York	York	NNP
39142	1863	18	for	for	IN
39142	1863	19	more	more	JJR
39142	1863	20	than	than	IN
39142	1863	21	a	a	DT
39142	1863	22	century	century	NN
39142	1863	23	,	,	,
39142	1863	24	is	be	VBZ
39142	1863	25	not	not	RB
39142	1863	26	very	very	RB
39142	1863	27	promising	promising	JJ
39142	1863	28	.	.	.
39142	1864	1	The	the	DT
39142	1864	2	path	path	NN
39142	1864	3	of	of	IN
39142	1864	4	totality	totality	NN
39142	1864	5	passes	pass	VBZ
39142	1864	6	over	over	IN
39142	1864	7	Marquette	Marquette	NNP
39142	1864	8	,	,	,
39142	1864	9	Michigan	Michigan	NNP
39142	1864	10	,	,	,
39142	1864	11	Rochester	Rochester	NNP
39142	1864	12	and	and	CC
39142	1864	13	Poughkeepsie	Poughkeepsie	NNP
39142	1864	14	,	,	,
39142	1864	15	New	New	NNP
39142	1864	16	York	York	NNP
39142	1864	17	,	,	,
39142	1864	18	Newport	Newport	NNP
39142	1864	19	,	,	,
39142	1864	20	Rhode	Rhode	NNP
39142	1864	21	Island	Island	NNP
39142	1864	22	,	,	,
39142	1864	23	and	and	CC
39142	1864	24	Nantucket	Nantucket	NNP
39142	1864	25	about	about	RB
39142	1864	26	nine	nine	CD
39142	1864	27	in	in	IN
39142	1864	28	the	the	DT
39142	1864	29	morning	morning	NN
39142	1864	30	.	.	.
39142	1865	1	Everyone	everyone	NN
39142	1865	2	who	who	WP
39142	1865	3	saw	see	VBD
39142	1865	4	it	-PRON-	PRP
39142	1865	5	will	will	MD
39142	1865	6	remember	remember	VB
39142	1865	7	the	the	DT
39142	1865	8	last	last	JJ
39142	1865	9	total	total	JJ
39142	1865	10	eclipse	eclipse	NN
39142	1865	11	in	in	IN
39142	1865	12	this	this	DT
39142	1865	13	part	part	NN
39142	1865	14	of	of	IN
39142	1865	15	the	the	DT
39142	1865	16	world	world	NN
39142	1865	17	--	--	:
39142	1865	18	on	on	IN
39142	1865	19	June	June	NNP
39142	1865	20	8	8	CD
39142	1865	21	,	,	,
39142	1865	22	1918	1918	CD
39142	1865	23	,	,	,
39142	1865	24	visible	visible	JJ
39142	1865	25	from	from	IN
39142	1865	26	Oregon	Oregon	NNP
39142	1865	27	to	to	IN
39142	1865	28	Florida	Florida	NNP
39142	1865	29	.	.	.
39142	1866	1	Many	many	JJ
39142	1866	2	will	will	MD
39142	1866	3	recall	recall	VB
39142	1866	4	the	the	DT
39142	1866	5	last	last	JJ
39142	1866	6	total	total	JJ
39142	1866	7	eclipse	eclipse	NN
39142	1866	8	that	that	WDT
39142	1866	9	was	be	VBD
39142	1866	10	visible	visible	JJ
39142	1866	11	before	before	IN
39142	1866	12	that	that	DT
39142	1866	13	in	in	IN
39142	1866	14	the	the	DT
39142	1866	15	eastern	eastern	JJ
39142	1866	16	part	part	NN
39142	1866	17	of	of	IN
39142	1866	18	the	the	DT
39142	1866	19	United	United	NNP
39142	1866	20	States	States	NNP
39142	1866	21	,	,	,
39142	1866	22	on	on	IN
39142	1866	23	May	May	NNP
39142	1866	24	28	28	CD
39142	1866	25	,	,	,
39142	1866	26	1900	1900	CD
39142	1866	27	,	,	,
39142	1866	28	visible	visible	JJ
39142	1866	29	in	in	IN
39142	1866	30	a	a	DT
39142	1866	31	narrow	narrow	JJ
39142	1866	32	path	path	NN
39142	1866	33	from	from	IN
39142	1866	34	New	New	NNP
39142	1866	35	Orleans	Orleans	NNP
39142	1866	36	to	to	IN
39142	1866	37	Norfolk	Norfolk	NNP
39142	1866	38	.	.	.
39142	1867	1	One	one	PRP
39142	1867	2	's	's	POS
39142	1867	3	father	father	NN
39142	1867	4	or	or	CC
39142	1867	5	grandfather	grandfather	NN
39142	1867	6	will	will	MD
39142	1867	7	perhaps	perhaps	RB
39142	1867	8	remember	remember	VB
39142	1867	9	the	the	DT
39142	1867	10	total	total	JJ
39142	1867	11	eclipse	eclipse	NN
39142	1867	12	of	of	IN
39142	1867	13	July	July	NNP
39142	1867	14	29	29	CD
39142	1867	15	,	,	,
39142	1867	16	1878	1878	CD
39142	1867	17	,	,	,
39142	1867	18	which	which	WDT
39142	1867	19	passed	pass	VBD
39142	1867	20	over	over	IN
39142	1867	21	the	the	DT
39142	1867	22	United	United	NNP
39142	1867	23	States	States	NNP
39142	1867	24	from	from	IN
39142	1867	25	Pike	Pike	NNP
39142	1867	26	's	's	POS
39142	1867	27	Peak	Peak	NNP
39142	1867	28	to	to	IN
39142	1867	29	Texas	Texas	NNP
39142	1867	30	(	(	-LRB-
39142	1867	31	it	-PRON-	PRP
39142	1867	32	was	be	VBD
39142	1867	33	the	the	DT
39142	1867	34	writer	writer	NN
39142	1867	35	's	's	POS
39142	1867	36	maiden	maiden	JJ
39142	1867	37	eclipse	eclipse	NN
39142	1867	38	)	)	-RRB-
39142	1867	39	,	,	,
39142	1867	40	and	and	CC
39142	1867	41	another	another	DT
39142	1867	42	on	on	IN
39142	1867	43	August	August	NNP
39142	1867	44	7	7	CD
39142	1867	45	,	,	,
39142	1867	46	1869	1869	CD
39142	1867	47	,	,	,
39142	1867	48	which	which	WDT
39142	1867	49	passed	pass	VBD
39142	1867	50	southeasterly	southeasterly	RB
39142	1867	51	over	over	IN
39142	1867	52	Iowa	Iowa	NNP
39142	1867	53	and	and	CC
39142	1867	54	Kentucky	Kentucky	NNP
39142	1867	55	.	.	.
39142	1868	1	On	on	IN
39142	1868	2	all	all	PDT
39142	1868	3	these	these	DT
39142	1868	4	occasions	occasion	NNS
39142	1868	5	the	the	DT
39142	1868	6	paths	path	NNS
39142	1868	7	of	of	IN
39142	1868	8	total	total	JJ
39142	1868	9	eclipse	eclipse	NN
39142	1868	10	were	be	VBD
39142	1868	11	dotted	dotted	JJ
39142	1868	12	with	with	IN
39142	1868	13	numerous	numerous	JJ
39142	1868	14	observing	observing	JJ
39142	1868	15	parties	party	NNS
39142	1868	16	,	,	,
39142	1868	17	many	many	JJ
39142	1868	18	of	of	IN
39142	1868	19	them	-PRON-	PRP
39142	1868	20	equipped	equip	VBN
39142	1868	21	with	with	IN
39142	1868	22	elaborate	elaborate	JJ
39142	1868	23	apparatus	apparatus	NN
39142	1868	24	for	for	IN
39142	1868	25	studying	study	VBG
39142	1868	26	and	and	CC
39142	1868	27	photographing	photograph	VBG
39142	1868	28	the	the	DT
39142	1868	29	solar	solar	JJ
39142	1868	30	corona	corona	NN
39142	1868	31	and	and	CC
39142	1868	32	prominences	prominence	NNS
39142	1868	33	,	,	,
39142	1868	34	together	together	RB
39142	1868	35	with	with	IN
39142	1868	36	a	a	DT
39142	1868	37	multitude	multitude	NN
39142	1868	38	of	of	IN
39142	1868	39	other	other	JJ
39142	1868	40	phenomena	phenomenon	NNS
39142	1868	41	which	which	WDT
39142	1868	42	are	be	VBP
39142	1868	43	seen	see	VBN
39142	1868	44	only	only	RB
39142	1868	45	when	when	WRB
39142	1868	46	total	total	JJ
39142	1868	47	eclipses	eclipse	NNS
39142	1868	48	take	take	VBP
39142	1868	49	place	place	NN
39142	1868	50	.	.	.
39142	1869	1	Looking	look	VBG
39142	1869	2	forward	forward	RB
39142	1869	3	rather	rather	RB
39142	1869	4	than	than	IN
39142	1869	5	backward	backward	JJ
39142	1869	6	,	,	,
39142	1869	7	a	a	DT
39142	1869	8	striking	strike	VBG
39142	1869	9	series	series	NN
39142	1869	10	,	,	,
39142	1869	11	or	or	CC
39142	1869	12	family	family	NN
39142	1869	13	,	,	,
39142	1869	14	of	of	IN
39142	1869	15	eclipses	eclipse	NNS
39142	1869	16	happens	happen	VBZ
39142	1869	17	in	in	IN
39142	1869	18	the	the	DT
39142	1869	19	future	future	NN
39142	1869	20	:	:	:
39142	1869	21	it	-PRON-	PRP
39142	1869	22	is	be	VBZ
39142	1869	23	the	the	DT
39142	1869	24	series	series	NN
39142	1869	25	of	of	IN
39142	1869	26	May	May	NNP
39142	1869	27	,	,	,
39142	1869	28	1901	1901	CD
39142	1869	29	and	and	CC
39142	1869	30	1919	1919	CD
39142	1869	31	,	,	,
39142	1869	32	recurring	recur	VBG
39142	1869	33	again	again	RB
39142	1869	34	on	on	IN
39142	1869	35	June	June	NNP
39142	1869	36	8	8	CD
39142	1869	37	,	,	,
39142	1869	38	1937	1937	CD
39142	1869	39	(	(	-LRB-
39142	1869	40	over	over	IN
39142	1869	41	the	the	DT
39142	1869	42	Pacific	Pacific	NNP
39142	1869	43	Ocean	Ocean	NNP
39142	1869	44	)	)	-RRB-
39142	1869	45	,	,	,
39142	1869	46	June	June	NNP
39142	1869	47	20	20	CD
39142	1869	48	,	,	,
39142	1869	49	1955	1955	CD
39142	1869	50	(	(	-LRB-
39142	1869	51	through	through	IN
39142	1869	52	India	India	NNP
39142	1869	53	,	,	,
39142	1869	54	Siam	Siam	NNP
39142	1869	55	,	,	,
39142	1869	56	and	and	CC
39142	1869	57	Luzon	Luzon	NNP
39142	1869	58	)	)	-RRB-
39142	1869	59	,	,	,
39142	1869	60	and	and	CC
39142	1869	61	June	June	NNP
39142	1869	62	30	30	CD
39142	1869	63	,	,	,
39142	1869	64	1973	1973	CD
39142	1869	65	(	(	-LRB-
39142	1869	66	visible	visible	JJ
39142	1869	67	in	in	IN
39142	1869	68	Sahara	Sahara	NNP
39142	1869	69	,	,	,
39142	1869	70	Abyssinia	Abyssinia	NNP
39142	1869	71	,	,	,
39142	1869	72	and	and	CC
39142	1869	73	Somali	Somali	NNP
39142	1869	74	)	)	-RRB-
39142	1869	75	.	.	.
39142	1870	1	Already	already	RB
39142	1870	2	in	in	IN
39142	1870	3	1919	1919	CD
39142	1870	4	this	this	DT
39142	1870	5	totality	totality	NN
39142	1870	6	was	be	VBD
39142	1870	7	6	6	CD
39142	1870	8	minutes	minute	NNS
39142	1870	9	50	50	CD
39142	1870	10	seconds	second	NNS
39142	1870	11	in	in	IN
39142	1870	12	duration	duration	NN
39142	1870	13	;	;	:
39142	1870	14	in	in	IN
39142	1870	15	1937	1937	CD
39142	1870	16	,	,	,
39142	1870	17	as	as	IN
39142	1870	18	already	already	RB
39142	1870	19	mentioned	mention	VBN
39142	1870	20	,	,	,
39142	1870	21	it	-PRON-	PRP
39142	1870	22	will	will	MD
39142	1870	23	be	be	VB
39142	1870	24	7	7	CD
39142	1870	25	minutes	minute	NNS
39142	1870	26	20	20	CD
39142	1870	27	seconds	second	NNS
39142	1870	28	,	,	,
39142	1870	29	and	and	CC
39142	1870	30	at	at	IN
39142	1870	31	the	the	DT
39142	1870	32	subsequent	subsequent	JJ
39142	1870	33	returns	return	NNS
39142	1870	34	even	even	RB
39142	1870	35	longer	long	RBR
39142	1870	36	yet	yet	RB
39142	1870	37	,	,	,
39142	1870	38	approaching	approach	VBG
39142	1870	39	the	the	DT
39142	1870	40	estimated	estimate	VBN
39142	1870	41	maximum	maximum	NN
39142	1870	42	of	of	IN
39142	1870	43	7	7	CD
39142	1870	44	minutes	minute	NNS
39142	1870	45	58	58	CD
39142	1870	46	seconds	second	NNS
39142	1870	47	which	which	WDT
39142	1870	48	has	have	VBZ
39142	1870	49	never	never	RB
39142	1870	50	been	be	VBN
39142	1870	51	observed	observe	VBN
39142	1870	52	.	.	.
39142	1871	1	This	this	DT
39142	1871	2	remarkable	remarkable	JJ
39142	1871	3	series	series	NN
39142	1871	4	of	of	IN
39142	1871	5	total	total	JJ
39142	1871	6	eclipses	eclipse	NNS
39142	1871	7	is	be	VBZ
39142	1871	8	longer	long	JJR
39142	1871	9	in	in	IN
39142	1871	10	duration	duration	NN
39142	1871	11	than	than	IN
39142	1871	12	any	any	DT
39142	1871	13	others	other	NNS
39142	1871	14	during	during	IN
39142	1871	15	a	a	DT
39142	1871	16	thousand	thousand	CD
39142	1871	17	years	year	NNS
39142	1871	18	.	.	.
39142	1872	1	Its	-PRON-	PRP$
39142	1872	2	next	next	JJ
39142	1872	3	subsequent	subsequent	JJ
39142	1872	4	return	return	NN
39142	1872	5	is	be	VBZ
39142	1872	6	in	in	IN
39142	1872	7	1991	1991	CD
39142	1872	8	,	,	,
39142	1872	9	occurring	occur	VBG
39142	1872	10	with	with	IN
39142	1872	11	the	the	DT
39142	1872	12	eclipsed	eclipse	VBN
39142	1872	13	sun	sun	NN
39142	1872	14	practically	practically	RB
39142	1872	15	at	at	IN
39142	1872	16	noon	noon	NN
39142	1872	17	in	in	IN
39142	1872	18	the	the	DT
39142	1872	19	zenith	zenith	NN
39142	1872	20	of	of	IN
39142	1872	21	Mount	Mount	NNP
39142	1872	22	Popocatepetl	Popocatepetl	NNP
39142	1872	23	in	in	IN
39142	1872	24	Mexico	Mexico	NNP
39142	1872	25	.	.	.
39142	1873	1	Whatever	whatever	WDT
39142	1873	2	may	may	MD
39142	1873	3	be	be	VB
39142	1873	4	the	the	DT
39142	1873	5	progress	progress	NN
39142	1873	6	of	of	IN
39142	1873	7	solar	solar	JJ
39142	1873	8	research	research	NN
39142	1873	9	during	during	IN
39142	1873	10	the	the	DT
39142	1873	11	intervening	intervene	VBG
39142	1873	12	years	year	NNS
39142	1873	13	,	,	,
39142	1873	14	it	-PRON-	PRP
39142	1873	15	is	be	VBZ
39142	1873	16	impossible	impossible	JJ
39142	1873	17	to	to	TO
39142	1873	18	imagine	imagine	VB
39142	1873	19	the	the	DT
39142	1873	20	alert	alert	JJ
39142	1873	21	astronomer	astronomer	NN
39142	1873	22	of	of	IN
39142	1873	23	that	that	DT
39142	1873	24	remote	remote	JJ
39142	1873	25	day	day	NN
39142	1873	26	without	without	IN
39142	1873	27	incentive	incentive	NN
39142	1873	28	for	for	IN
39142	1873	29	further	further	JJ
39142	1873	30	investigation	investigation	NN
39142	1873	31	of	of	IN
39142	1873	32	the	the	DT
39142	1873	33	sun	sun	NN
39142	1873	34	's	's	POS
39142	1873	35	corona	corona	NN
39142	1873	36	,	,	,
39142	1873	37	in	in	IN
39142	1873	38	which	which	WDT
39142	1873	39	are	be	VBP
39142	1873	40	concealed	conceal	VBN
39142	1873	41	no	no	RB
39142	1873	42	doubt	doubt	RB
39142	1873	43	many	many	JJ
39142	1873	44	secrets	secret	NNS
39142	1873	45	of	of	IN
39142	1873	46	the	the	DT
39142	1873	47	sun	sun	NN
39142	1873	48	's	's	POS
39142	1873	49	evolution	evolution	NN
39142	1873	50	from	from	IN
39142	1873	51	nebula	nebula	NNP
39142	1873	52	to	to	IN
39142	1873	53	star	star	NNP
39142	1873	54	.	.	.
39142	1874	1	CHAPTER	chapter	NN
39142	1874	2	XXXI	XXXI	NNP
39142	1874	3	THE	the	DT
39142	1874	4	SOLAR	SOLAR	NNP
39142	1874	5	CORONA	corona	NN
39142	1874	6	"	"	''
39142	1874	7	And	and	CC
39142	1874	8	what	what	WP
39142	1874	9	is	be	VBZ
39142	1874	10	the	the	DT
39142	1874	11	sun	sun	NN
39142	1874	12	's	's	POS
39142	1874	13	corona	corona	NN
39142	1874	14	?	?	.
39142	1874	15	"	"	''
39142	1875	1	mildly	mildly	RB
39142	1875	2	asked	ask	VBD
39142	1875	3	a	a	DT
39142	1875	4	college	college	NN
39142	1875	5	professor	professor	NN
39142	1875	6	of	of	IN
39142	1875	7	a	a	DT
39142	1875	8	student	student	NN
39142	1875	9	who	who	WP
39142	1875	10	might	may	MD
39142	1875	11	better	well	RBR
39142	1875	12	have	have	VB
39142	1875	13	answered	answer	VBN
39142	1875	14	"	"	``
39142	1875	15	Not	not	RB
39142	1875	16	prepared	prepared	JJ
39142	1875	17	.	.	.
39142	1875	18	"	"	''
39142	1876	1	"	"	``
39142	1876	2	I	-PRON-	PRP
39142	1876	3	did	do	VBD
39142	1876	4	know	know	VB
39142	1876	5	,	,	,
39142	1876	6	Professor	Professor	NNP
39142	1876	7	,	,	,
39142	1876	8	but	but	CC
39142	1876	9	I	-PRON-	PRP
39142	1876	10	have	have	VBP
39142	1876	11	forgotten	forget	VBN
39142	1876	12	,	,	,
39142	1876	13	"	"	''
39142	1876	14	was	be	VBD
39142	1876	15	his	-PRON-	PRP$
39142	1876	16	reply	reply	NN
39142	1876	17	.	.	.
39142	1877	1	"	"	``
39142	1877	2	What	what	WDT
39142	1877	3	an	an	DT
39142	1877	4	incalculable	incalculable	JJ
39142	1877	5	loss	loss	NN
39142	1877	6	to	to	IN
39142	1877	7	science	science	NN
39142	1877	8	,	,	,
39142	1877	9	"	"	''
39142	1877	10	returned	return	VBD
39142	1877	11	the	the	DT
39142	1877	12	professor	professor	NN
39142	1877	13	with	with	IN
39142	1877	14	a	a	DT
39142	1877	15	twinkle	twinkle	NN
39142	1877	16	.	.	.
39142	1878	1	"	"	``
39142	1878	2	The	the	DT
39142	1878	3	only	only	JJ
39142	1878	4	man	man	NN
39142	1878	5	who	who	WP
39142	1878	6	ever	ever	RB
39142	1878	7	knew	know	VBD
39142	1878	8	what	what	WP
39142	1878	9	the	the	DT
39142	1878	10	sun	sun	NN
39142	1878	11	's	's	POS
39142	1878	12	corona	corona	NN
39142	1878	13	is	be	VBZ
39142	1878	14	,	,	,
39142	1878	15	and	and	CC
39142	1878	16	he	-PRON-	PRP
39142	1878	17	has	have	VBZ
39142	1878	18	forgotten	forget	VBN
39142	1878	19	!	!	.
39142	1878	20	"	"	''
39142	1879	1	Only	only	RB
39142	1879	2	in	in	IN
39142	1879	3	part	part	NN
39142	1879	4	has	have	VBZ
39142	1879	5	the	the	DT
39142	1879	6	mystery	mystery	NN
39142	1879	7	of	of	IN
39142	1879	8	the	the	DT
39142	1879	9	corona	corona	NN
39142	1879	10	been	be	VBN
39142	1879	11	cleared	clear	VBN
39142	1879	12	by	by	IN
39142	1879	13	the	the	DT
39142	1879	14	research	research	NN
39142	1879	15	of	of	IN
39142	1879	16	the	the	DT
39142	1879	17	present	present	JJ
39142	1879	18	day	day	NN
39142	1879	19	.	.	.
39142	1880	1	Our	-PRON-	PRP$
39142	1880	2	knowledge	knowledge	NN
39142	1880	3	proceeds	proceed	NNS
39142	1880	4	but	but	CC
39142	1880	5	slowly	slowly	RB
39142	1880	6	,	,	,
39142	1880	7	because	because	IN
39142	1880	8	the	the	DT
39142	1880	9	corona	corona	NN
39142	1880	10	has	have	VBZ
39142	1880	11	never	never	RB
39142	1880	12	been	be	VBN
39142	1880	13	seen	see	VBN
39142	1880	14	except	except	IN
39142	1880	15	during	during	IN
39142	1880	16	total	total	JJ
39142	1880	17	eclipses	eclipse	NNS
39142	1880	18	of	of	IN
39142	1880	19	the	the	DT
39142	1880	20	sun	sun	NN
39142	1880	21	;	;	:
39142	1880	22	and	and	CC
39142	1880	23	astronomers	astronomer	NNS
39142	1880	24	,	,	,
39142	1880	25	as	as	IN
39142	1880	26	a	a	DT
39142	1880	27	matter	matter	NN
39142	1880	28	of	of	IN
39142	1880	29	fact	fact	NN
39142	1880	30	,	,	,
39142	1880	31	have	have	VBP
39142	1880	32	never	never	RB
39142	1880	33	had	have	VBN
39142	1880	34	a	a	DT
39142	1880	35	fair	fair	JJ
39142	1880	36	chance	chance	NN
39142	1880	37	at	at	IN
39142	1880	38	it	-PRON-	PRP
39142	1880	39	.	.	.
39142	1881	1	Two	two	CD
39142	1881	2	total	total	JJ
39142	1881	3	eclipses	eclipse	NNS
39142	1881	4	happen	happen	VB
39142	1881	5	on	on	IN
39142	1881	6	the	the	DT
39142	1881	7	average	average	NN
39142	1881	8	of	of	IN
39142	1881	9	every	every	DT
39142	1881	10	three	three	CD
39142	1881	11	years	year	NNS
39142	1881	12	;	;	:
39142	1881	13	their	-PRON-	PRP$
39142	1881	14	average	average	JJ
39142	1881	15	duration	duration	NN
39142	1881	16	is	be	VBZ
39142	1881	17	only	only	RB
39142	1881	18	two	two	CD
39142	1881	19	or	or	CC
39142	1881	20	three	three	CD
39142	1881	21	minutes	minute	NNS
39142	1881	22	;	;	:
39142	1881	23	totality	totality	NN
39142	1881	24	can	can	MD
39142	1881	25	be	be	VB
39142	1881	26	seen	see	VBN
39142	1881	27	only	only	RB
39142	1881	28	in	in	IN
39142	1881	29	a	a	DT
39142	1881	30	narrow	narrow	JJ
39142	1881	31	path	path	NN
39142	1881	32	about	about	RB
39142	1881	33	a	a	DT
39142	1881	34	hundred	hundred	CD
39142	1881	35	miles	mile	NNS
39142	1881	36	wide	wide	JJ
39142	1881	37	,	,	,
39142	1881	38	though	though	IN
39142	1881	39	it	-PRON-	PRP
39142	1881	40	may	may	MD
39142	1881	41	be	be	VB
39142	1881	42	several	several	JJ
39142	1881	43	thousand	thousand	CD
39142	1881	44	miles	mile	NNS
39142	1881	45	long	long	RB
39142	1881	46	;	;	:
39142	1881	47	there	there	EX
39142	1881	48	is	be	VBZ
39142	1881	49	usually	usually	RB
39142	1881	50	about	about	IN
39142	1881	51	equal	equal	JJ
39142	1881	52	chance	chance	NN
39142	1881	53	of	of	IN
39142	1881	54	cloud	cloud	NN
39142	1881	55	with	with	IN
39142	1881	56	clear	clear	JJ
39142	1881	57	skies	sky	NNS
39142	1881	58	;	;	:
39142	1881	59	and	and	CC
39142	1881	60	fully	fully	RB
39142	1881	61	three	three	CD
39142	1881	62	-	-	HYPH
39142	1881	63	fourths	fourth	NNS
39142	1881	64	of	of	IN
39142	1881	65	the	the	DT
39142	1881	66	totality	totality	NN
39142	1881	67	areas	area	NNS
39142	1881	68	of	of	IN
39142	1881	69	the	the	DT
39142	1881	70	globe	globe	NN
39142	1881	71	are	be	VBP
39142	1881	72	unavailable	unavailable	JJ
39142	1881	73	because	because	IN
39142	1881	74	covered	cover	VBN
39142	1881	75	by	by	IN
39142	1881	76	water	water	NN
39142	1881	77	.	.	.
39142	1882	1	So	so	RB
39142	1882	2	that	that	IN
39142	1882	3	even	even	RB
39142	1882	4	if	if	IN
39142	1882	5	we	-PRON-	PRP
39142	1882	6	imagine	imagine	VBP
39142	1882	7	the	the	DT
39142	1882	8	tracks	track	NNS
39142	1882	9	of	of	IN
39142	1882	10	eclipses	eclipse	NNS
39142	1882	11	quite	quite	RB
39142	1882	12	thickly	thickly	RB
39142	1882	13	populated	populate	VBN
39142	1882	14	with	with	IN
39142	1882	15	astronomers	astronomer	NNS
39142	1882	16	and	and	CC
39142	1882	17	telescopes	telescope	NNS
39142	1882	18	,	,	,
39142	1882	19	at	at	RB
39142	1882	20	least	least	JJS
39142	1882	21	one	one	CD
39142	1882	22	every	every	DT
39142	1882	23	hundred	hundred	CD
39142	1882	24	miles	mile	NNS
39142	1882	25	,	,	,
39142	1882	26	how	how	WRB
39142	1882	27	much	much	RB
39142	1882	28	solid	solid	JJ
39142	1882	29	watching	watching	NN
39142	1882	30	of	of	IN
39142	1882	31	the	the	DT
39142	1882	32	corona	corona	NN
39142	1882	33	would	would	MD
39142	1882	34	this	this	DT
39142	1882	35	permit	permit	VB
39142	1882	36	?	?	.
39142	1883	1	Only	only	RB
39142	1883	2	a	a	DT
39142	1883	3	little	little	JJ
39142	1883	4	more	more	JJR
39142	1883	5	than	than	IN
39142	1883	6	one	one	CD
39142	1883	7	week	week	NN
39142	1883	8	's	's	POS
39142	1883	9	time	time	NN
39142	1883	10	in	in	IN
39142	1883	11	a	a	DT
39142	1883	12	whole	whole	JJ
39142	1883	13	century	century	NN
39142	1883	14	.	.	.
39142	1884	1	The	the	DT
39142	1884	2	true	true	JJ
39142	1884	3	corona	corona	NN
39142	1884	4	is	be	VBZ
39142	1884	5	at	at	IN
39142	1884	6	least	least	JJS
39142	1884	7	a	a	DT
39142	1884	8	triple	triple	JJ
39142	1884	9	phenomenon	phenomenon	NN
39142	1884	10	and	and	CC
39142	1884	11	a	a	DT
39142	1884	12	very	very	RB
39142	1884	13	complex	complex	JJ
39142	1884	14	one	one	NN
39142	1884	15	.	.	.
39142	1885	1	The	the	DT
39142	1885	2	photographs	photograph	NNS
39142	1885	3	reveal	reveal	VBP
39142	1885	4	it	-PRON-	PRP
39142	1885	5	much	much	RB
39142	1885	6	as	as	IN
39142	1885	7	the	the	DT
39142	1885	8	eye	eye	NN
39142	1885	9	sees	see	VBZ
39142	1885	10	it	-PRON-	PRP
39142	1885	11	,	,	,
39142	1885	12	with	with	IN
39142	1885	13	all	all	PDT
39142	1885	14	its	-PRON-	PRP$
39142	1885	15	complexity	complexity	NN
39142	1885	16	of	of	IN
39142	1885	17	interlacing	interlace	VBG
39142	1885	18	streamers	streamer	NNS
39142	1885	19	projected	project	VBD
39142	1885	20	into	into	IN
39142	1885	21	a	a	DT
39142	1885	22	flat	flat	JJ
39142	1885	23	,	,	,
39142	1885	24	or	or	CC
39142	1885	25	plane	plane	NN
39142	1885	26	,	,	,
39142	1885	27	surrounding	surround	VBG
39142	1885	28	the	the	DT
39142	1885	29	disk	disk	NN
39142	1885	30	of	of	IN
39142	1885	31	the	the	DT
39142	1885	32	dark	dark	JJ
39142	1885	33	moon	moon	NN
39142	1885	34	which	which	WDT
39142	1885	35	hides	hide	VBZ
39142	1885	36	the	the	DT
39142	1885	37	true	true	JJ
39142	1885	38	sun	sun	NN
39142	1885	39	completely	completely	RB
39142	1885	40	.	.	.
39142	1886	1	But	but	CC
39142	1886	2	we	-PRON-	PRP
39142	1886	3	must	must	MD
39142	1886	4	keep	keep	VB
39142	1886	5	in	in	IN
39142	1886	6	mind	mind	NN
39142	1886	7	the	the	DT
39142	1886	8	fact	fact	NN
39142	1886	9	that	that	IN
39142	1886	10	the	the	DT
39142	1886	11	sun	sun	NN
39142	1886	12	is	be	VBZ
39142	1886	13	a	a	DT
39142	1886	14	globe	globe	NN
39142	1886	15	,	,	,
39142	1886	16	not	not	RB
39142	1886	17	a	a	DT
39142	1886	18	disk	disk	NN
39142	1886	19	,	,	,
39142	1886	20	and	and	CC
39142	1886	21	that	that	IN
39142	1886	22	the	the	DT
39142	1886	23	streamers	streamer	NNS
39142	1886	24	of	of	IN
39142	1886	25	the	the	DT
39142	1886	26	corona	corona	NN
39142	1886	27	radiate	radiate	VBP
39142	1886	28	more	more	RBR
39142	1886	29	or	or	CC
39142	1886	30	less	less	RBR
39142	1886	31	from	from	IN
39142	1886	32	all	all	DT
39142	1886	33	parts	part	NNS
39142	1886	34	of	of	IN
39142	1886	35	the	the	DT
39142	1886	36	surface	surface	NN
39142	1886	37	of	of	IN
39142	1886	38	the	the	DT
39142	1886	39	solar	solar	JJ
39142	1886	40	sphere	sphere	NN
39142	1886	41	,	,	,
39142	1886	42	much	much	RB
39142	1886	43	as	as	IN
39142	1886	44	quills	quill	NNS
39142	1886	45	from	from	IN
39142	1886	46	a	a	DT
39142	1886	47	porcupine	porcupine	NN
39142	1886	48	.	.	.
39142	1887	1	From	from	IN
39142	1887	2	the	the	DT
39142	1887	3	sun	sun	NN
39142	1887	4	's	's	POS
39142	1887	5	magnetic	magnetic	JJ
39142	1887	6	poles	pole	NNS
39142	1887	7	branch	branch	VBP
39142	1887	8	out	out	RP
39142	1887	9	the	the	DT
39142	1887	10	polar	polar	JJ
39142	1887	11	rays	ray	NNS
39142	1887	12	,	,	,
39142	1887	13	nearly	nearly	RB
39142	1887	14	straight	straight	RB
39142	1887	15	throughout	throughout	IN
39142	1887	16	their	-PRON-	PRP$
39142	1887	17	visible	visible	JJ
39142	1887	18	extent	extent	NN
39142	1887	19	.	.	.
39142	1888	1	Gradually	gradually	RB
39142	1888	2	as	as	IN
39142	1888	3	the	the	DT
39142	1888	4	coronal	coronal	JJ
39142	1888	5	rays	ray	NNS
39142	1888	6	originate	originate	VBP
39142	1888	7	at	at	IN
39142	1888	8	points	point	NNS
39142	1888	9	around	around	IN
39142	1888	10	the	the	DT
39142	1888	11	solar	solar	JJ
39142	1888	12	disk	disk	NN
39142	1888	13	farther	farther	RB
39142	1888	14	and	and	CC
39142	1888	15	farther	farther	RB
39142	1888	16	removed	remove	VBN
39142	1888	17	from	from	IN
39142	1888	18	the	the	DT
39142	1888	19	poles	pole	NNS
39142	1888	20	,	,	,
39142	1888	21	they	-PRON-	PRP
39142	1888	22	are	be	VBP
39142	1888	23	more	more	RBR
39142	1888	24	and	and	CC
39142	1888	25	more	more	RBR
39142	1888	26	curved	curved	JJ
39142	1888	27	.	.	.
39142	1889	1	Very	very	RB
39142	1889	2	probably	probably	RB
39142	1889	3	they	-PRON-	PRP
39142	1889	4	extend	extend	VBP
39142	1889	5	into	into	IN
39142	1889	6	the	the	DT
39142	1889	7	equatorial	equatorial	JJ
39142	1889	8	regions	region	NNS
39142	1889	9	,	,	,
39142	1889	10	but	but	CC
39142	1889	11	it	-PRON-	PRP
39142	1889	12	is	be	VBZ
39142	1889	13	not	not	RB
39142	1889	14	easy	easy	JJ
39142	1889	15	to	to	TO
39142	1889	16	trace	trace	VB
39142	1889	17	them	-PRON-	PRP
39142	1889	18	there	there	RB
39142	1889	19	because	because	IN
39142	1889	20	they	-PRON-	PRP
39142	1889	21	are	be	VBP
39142	1889	22	projected	project	VBN
39142	1889	23	upon	upon	IN
39142	1889	24	and	and	CC
39142	1889	25	confused	confuse	VBN
39142	1889	26	with	with	IN
39142	1889	27	the	the	DT
39142	1889	28	filaments	filament	NNS
39142	1889	29	having	have	VBG
39142	1889	30	their	-PRON-	PRP$
39142	1889	31	origin	origin	NN
39142	1889	32	remote	remote	JJ
39142	1889	33	from	from	IN
39142	1889	34	the	the	DT
39142	1889	35	poles	pole	NNS
39142	1889	36	.	.	.
39142	1890	1	Then	then	RB
39142	1890	2	there	there	EX
39142	1890	3	is	be	VBZ
39142	1890	4	the	the	DT
39142	1890	5	inner	inner	JJ
39142	1890	6	equatorial	equatorial	JJ
39142	1890	7	corona	corona	NN
39142	1890	8	,	,	,
39142	1890	9	apparently	apparently	RB
39142	1890	10	connected	connect	VBN
39142	1890	11	intimately	intimately	RB
39142	1890	12	with	with	IN
39142	1890	13	truly	truly	RB
39142	1890	14	solar	solar	JJ
39142	1890	15	phenomena	phenomenon	NNS
39142	1890	16	,	,	,
39142	1890	17	quite	quite	RB
39142	1890	18	as	as	IN
39142	1890	19	the	the	DT
39142	1890	20	polar	polar	JJ
39142	1890	21	rays	ray	NNS
39142	1890	22	are	be	VBP
39142	1890	23	.	.	.
39142	1891	1	The	the	DT
39142	1891	2	third	third	JJ
39142	1891	3	element	element	NN
39142	1891	4	in	in	IN
39142	1891	5	the	the	DT
39142	1891	6	composite	composite	NN
39142	1891	7	is	be	VBZ
39142	1891	8	the	the	DT
39142	1891	9	outer	outer	JJ
39142	1891	10	ecliptic	ecliptic	JJ
39142	1891	11	corona	corona	NN
39142	1891	12	,	,	,
39142	1891	13	for	for	IN
39142	1891	14	the	the	DT
39142	1891	15	most	most	JJS
39142	1891	16	part	part	NN
39142	1891	17	made	make	VBN
39142	1891	18	up	up	RP
39142	1891	19	of	of	IN
39142	1891	20	long	long	JJ
39142	1891	21	streamers	streamer	NNS
39142	1891	22	.	.	.
39142	1892	1	This	this	DT
39142	1892	2	is	be	VBZ
39142	1892	3	most	most	RBS
39142	1892	4	fully	fully	RB
39142	1892	5	developed	develop	VBN
39142	1892	6	at	at	IN
39142	1892	7	the	the	DT
39142	1892	8	time	time	NN
39142	1892	9	of	of	IN
39142	1892	10	the	the	DT
39142	1892	11	fewest	few	JJS
39142	1892	12	spots	spot	NNS
39142	1892	13	on	on	IN
39142	1892	14	the	the	DT
39142	1892	15	sun	sun	NN
39142	1892	16	.	.	.
39142	1893	1	It	-PRON-	PRP
39142	1893	2	is	be	VBZ
39142	1893	3	traceable	traceable	JJ
39142	1893	4	much	much	RB
39142	1893	5	farther	farther	RB
39142	1893	6	against	against	IN
39142	1893	7	the	the	DT
39142	1893	8	black	black	JJ
39142	1893	9	sky	sky	NN
39142	1893	10	with	with	IN
39142	1893	11	the	the	DT
39142	1893	12	naked	naked	JJ
39142	1893	13	eye	eye	NN
39142	1893	14	than	than	IN
39142	1893	15	by	by	IN
39142	1893	16	photography	photography	NN
39142	1893	17	.	.	.
39142	1894	1	Without	without	IN
39142	1894	2	any	any	DT
39142	1894	3	doubt	doubt	NN
39142	1894	4	it	-PRON-	PRP
39142	1894	5	is	be	VBZ
39142	1894	6	a	a	DT
39142	1894	7	solar	solar	JJ
39142	1894	8	appendage	appendage	NN
39142	1894	9	and	and	CC
39142	1894	10	possibly	possibly	RB
39142	1894	11	it	-PRON-	PRP
39142	1894	12	may	may	MD
39142	1894	13	merge	merge	VB
39142	1894	14	into	into	IN
39142	1894	15	the	the	DT
39142	1894	16	zodiacal	zodiacal	JJ
39142	1894	17	light	light	NN
39142	1894	18	.	.	.
39142	1895	1	Naturally	naturally	RB
39142	1895	2	this	this	DT
39142	1895	3	superb	superb	NN
39142	1895	4	spectacle	spectacle	NN
39142	1895	5	must	must	MD
39142	1895	6	have	have	VB
39142	1895	7	been	be	VBN
39142	1895	8	an	an	DT
39142	1895	9	amazing	amazing	JJ
39142	1895	10	sight	sight	NN
39142	1895	11	to	to	IN
39142	1895	12	the	the	DT
39142	1895	13	beholders	beholder	NNS
39142	1895	14	of	of	IN
39142	1895	15	antiquity	antiquity	NN
39142	1895	16	who	who	WP
39142	1895	17	were	be	VBD
39142	1895	18	fortunate	fortunate	JJ
39142	1895	19	enough	enough	RB
39142	1895	20	to	to	TO
39142	1895	21	see	see	VB
39142	1895	22	it	-PRON-	PRP
39142	1895	23	.	.	.
39142	1896	1	Historical	historical	JJ
39142	1896	2	references	reference	NNS
39142	1896	3	are	be	VBP
39142	1896	4	rare	rare	JJ
39142	1896	5	:	:	:
39142	1896	6	perhaps	perhaps	RB
39142	1896	7	the	the	DT
39142	1896	8	earliest	early	JJS
39142	1896	9	was	be	VBD
39142	1896	10	by	by	IN
39142	1896	11	Plutarch	Plutarch	NNP
39142	1896	12	about	about	IN
39142	1896	13	A.	A.	NNP
39142	1896	14	D.	D.	NNP
39142	1896	15	100	100	CD
39142	1896	16	,	,	,
39142	1896	17	who	who	WP
39142	1896	18	wrote	write	VBD
39142	1896	19	of	of	IN
39142	1896	20	it	-PRON-	PRP
39142	1896	21	,	,	,
39142	1896	22	"	"	''
39142	1896	23	A	a	DT
39142	1896	24	radiance	radiance	NN
39142	1896	25	shone	shine	VBD
39142	1896	26	round	round	IN
39142	1896	27	the	the	DT
39142	1896	28	rim	rim	NN
39142	1896	29	,	,	,
39142	1896	30	and	and	CC
39142	1896	31	would	would	MD
39142	1896	32	not	not	RB
39142	1896	33	suffer	suffer	VB
39142	1896	34	darkness	darkness	NN
39142	1896	35	to	to	TO
39142	1896	36	become	become	VB
39142	1896	37	deep	deep	JJ
39142	1896	38	and	and	CC
39142	1896	39	intense	intense	JJ
39142	1896	40	.	.	.
39142	1896	41	"	"	''
39142	1897	1	Philostratus	Philostratus	NNP
39142	1897	2	a	a	DT
39142	1897	3	century	century	NN
39142	1897	4	later	later	RB
39142	1897	5	mentions	mention	VBZ
39142	1897	6	the	the	DT
39142	1897	7	death	death	NN
39142	1897	8	of	of	IN
39142	1897	9	the	the	DT
39142	1897	10	emperor	emperor	NN
39142	1897	11	Domitian	Domitian	NNP
39142	1897	12	at	at	IN
39142	1897	13	Ephesus	Ephesus	NNP
39142	1897	14	as	as	IN
39142	1897	15	"	"	``
39142	1897	16	announced	announce	VBN
39142	1897	17	"	"	''
39142	1897	18	by	by	IN
39142	1897	19	a	a	DT
39142	1897	20	total	total	JJ
39142	1897	21	eclipse	eclipse	NN
39142	1897	22	.	.	.
39142	1898	1	Kepler	Kepler	NNP
39142	1898	2	thought	think	VBD
39142	1898	3	the	the	DT
39142	1898	4	corona	corona	NN
39142	1898	5	was	be	VBD
39142	1898	6	evidence	evidence	NN
39142	1898	7	of	of	IN
39142	1898	8	a	a	DT
39142	1898	9	lunar	lunar	JJ
39142	1898	10	atmosphere	atmosphere	NN
39142	1898	11	;	;	:
39142	1898	12	indeed	indeed	RB
39142	1898	13	,	,	,
39142	1898	14	it	-PRON-	PRP
39142	1898	15	was	be	VBD
39142	1898	16	not	not	RB
39142	1898	17	until	until	IN
39142	1898	18	the	the	DT
39142	1898	19	middle	middle	NN
39142	1898	20	of	of	IN
39142	1898	21	the	the	DT
39142	1898	22	19th	19th	JJ
39142	1898	23	century	century	NN
39142	1898	24	that	that	WDT
39142	1898	25	its	-PRON-	PRP$
39142	1898	26	lack	lack	NN
39142	1898	27	of	of	IN
39142	1898	28	relation	relation	NN
39142	1898	29	to	to	IN
39142	1898	30	the	the	DT
39142	1898	31	moon	moon	NN
39142	1898	32	was	be	VBD
39142	1898	33	finally	finally	RB
39142	1898	34	demonstrated	demonstrate	VBN
39142	1898	35	.	.	.
39142	1899	1	Later	later	JJ
39142	1899	2	observers	observer	NNS
39142	1899	3	,	,	,
39142	1899	4	Wyberd	Wyberd	NNP
39142	1899	5	in	in	IN
39142	1899	6	1652	1652	CD
39142	1899	7	and	and	CC
39142	1899	8	Ulloa	Ulloa	NNP
39142	1899	9	,	,	,
39142	1899	10	got	get	VBD
39142	1899	11	the	the	DT
39142	1899	12	impression	impression	NN
39142	1899	13	that	that	IN
39142	1899	14	the	the	DT
39142	1899	15	corona	corona	NN
39142	1899	16	turned	turn	VBD
39142	1899	17	round	round	RB
39142	1899	18	the	the	DT
39142	1899	19	disk	disk	NN
39142	1899	20	catherine	catherine	JJ
39142	1899	21	-	-	HYPH
39142	1899	22	wheel	wheel	NN
39142	1899	23	fashion	fashion	NN
39142	1899	24	,	,	,
39142	1899	25	"	"	''
39142	1899	26	like	like	IN
39142	1899	27	an	an	DT
39142	1899	28	ignited	ignited	JJ
39142	1899	29	wheel	wheel	NN
39142	1899	30	in	in	IN
39142	1899	31	fireworks	firework	NNS
39142	1899	32	,	,	,
39142	1899	33	turning	turn	VBG
39142	1899	34	on	on	RP
39142	1899	35	its	-PRON-	PRP$
39142	1899	36	center	center	NN
39142	1899	37	.	.	.
39142	1899	38	"	"	''
39142	1900	1	But	but	CC
39142	1900	2	no	no	DT
39142	1900	3	later	later	JJ
39142	1900	4	observer	observer	NN
39142	1900	5	has	have	VBZ
39142	1900	6	reported	report	VBN
39142	1900	7	anything	anything	NN
39142	1900	8	of	of	IN
39142	1900	9	the	the	DT
39142	1900	10	sort	sort	NN
39142	1900	11	.	.	.
39142	1901	1	Quite	quite	PDT
39142	1901	2	the	the	DT
39142	1901	3	contrary	contrary	NN
39142	1901	4	,	,	,
39142	1901	5	there	there	RB
39142	1901	6	it	-PRON-	PRP
39142	1901	7	stands	stand	VBZ
39142	1901	8	against	against	IN
39142	1901	9	the	the	DT
39142	1901	10	black	black	JJ
39142	1901	11	sky	sky	NN
39142	1901	12	in	in	IN
39142	1901	13	motionless	motionless	JJ
39142	1901	14	magnificence	magnificence	NN
39142	1901	15	a	a	DT
39142	1901	16	colorless	colorless	NN
39142	1901	17	pearly	pearly	RB
39142	1901	18	mass	mass	NN
39142	1901	19	of	of	IN
39142	1901	20	wisps	wisp	NNS
39142	1901	21	and	and	CC
39142	1901	22	streamers	streamer	NNS
39142	1901	23	for	for	IN
39142	1901	24	the	the	DT
39142	1901	25	most	most	JJS
39142	1901	26	part	part	NN
39142	1901	27	nebulous	nebulous	JJ
39142	1901	28	and	and	CC
39142	1901	29	ill	ill	RB
39142	1901	30	-	-	HYPH
39142	1901	31	defined	define	VBN
39142	1901	32	,	,	,
39142	1901	33	fading	fade	VBG
39142	1901	34	out	out	RP
39142	1901	35	very	very	RB
39142	1901	36	irregularly	irregularly	RB
39142	1901	37	into	into	IN
39142	1901	38	the	the	DT
39142	1901	39	black	black	JJ
39142	1901	40	sky	sky	NN
39142	1901	41	beyond	beyond	IN
39142	1901	42	,	,	,
39142	1901	43	but	but	CC
39142	1901	44	with	with	IN
39142	1901	45	a	a	DT
39142	1901	46	complex	complex	JJ
39142	1901	47	interlacing	interlacing	NN
39142	1901	48	of	of	IN
39142	1901	49	filaments	filament	NNS
39142	1901	50	,	,	,
39142	1901	51	sometimes	sometimes	RB
39142	1901	52	very	very	RB
39142	1901	53	sharply	sharply	RB
39142	1901	54	defined	define	VBN
39142	1901	55	near	near	IN
39142	1901	56	the	the	DT
39142	1901	57	solar	solar	JJ
39142	1901	58	poles	pole	NNS
39142	1901	59	.	.	.
39142	1902	1	It	-PRON-	PRP
39142	1902	2	defies	defy	VBZ
39142	1902	3	the	the	DT
39142	1902	4	skill	skill	NN
39142	1902	5	of	of	IN
39142	1902	6	artist	artist	NN
39142	1902	7	and	and	CC
39142	1902	8	draughtsman	draughtsman	NNP
39142	1902	9	to	to	TO
39142	1902	10	sketch	sketch	VB
39142	1902	11	it	-PRON-	PRP
39142	1902	12	before	before	IN
39142	1902	13	it	-PRON-	PRP
39142	1902	14	is	be	VBZ
39142	1902	15	gone	go	VBN
39142	1902	16	.	.	.
39142	1903	1	Photograph	photograph	VB
39142	1903	2	it	-PRON-	PRP
39142	1903	3	?	?	.
39142	1904	1	Yes	yes	UH
39142	1904	2	,	,	,
39142	1904	3	but	but	CC
39142	1904	4	there	there	EX
39142	1904	5	are	be	VBP
39142	1904	6	troubles	trouble	NNS
39142	1904	7	.	.	.
39142	1905	1	Of	of	RB
39142	1905	2	course	course	RB
39142	1905	3	the	the	DT
39142	1905	4	camera	camera	NN
39142	1905	5	work	work	NN
39142	1905	6	is	be	VBZ
39142	1905	7	superior	superior	JJ
39142	1905	8	to	to	IN
39142	1905	9	sketches	sketch	NNS
39142	1905	10	by	by	IN
39142	1905	11	hand	hand	NN
39142	1905	12	.	.	.
39142	1906	1	As	as	IN
39142	1906	2	Langley	Langley	NNP
39142	1906	3	used	use	VBD
39142	1906	4	to	to	TO
39142	1906	5	say	say	VB
39142	1906	6	,	,	,
39142	1906	7	"	"	``
39142	1906	8	The	the	DT
39142	1906	9	camera	camera	NN
39142	1906	10	has	have	VBZ
39142	1906	11	no	no	DT
39142	1906	12	nerves	nerve	NNS
39142	1906	13	,	,	,
39142	1906	14	and	and	CC
39142	1906	15	what	what	WP
39142	1906	16	it	-PRON-	PRP
39142	1906	17	sets	set	VBZ
39142	1906	18	down	down	RP
39142	1906	19	we	-PRON-	PRP
39142	1906	20	may	may	MD
39142	1906	21	rely	rely	VB
39142	1906	22	on	on	IN
39142	1906	23	.	.	.
39142	1906	24	"	"	''
39142	1907	1	Foremost	foremost	RB
39142	1907	2	among	among	IN
39142	1907	3	the	the	DT
39142	1907	4	photographic	photographic	JJ
39142	1907	5	difficulties	difficulty	NNS
39142	1907	6	is	be	VBZ
39142	1907	7	the	the	DT
39142	1907	8	wide	wide	JJ
39142	1907	9	variation	variation	NN
39142	1907	10	in	in	IN
39142	1907	11	intensity	intensity	NN
39142	1907	12	of	of	IN
39142	1907	13	the	the	DT
39142	1907	14	coronal	coronal	JJ
39142	1907	15	light	light	NN
39142	1907	16	in	in	IN
39142	1907	17	different	different	JJ
39142	1907	18	regions	region	NNS
39142	1907	19	of	of	IN
39142	1907	20	the	the	DT
39142	1907	21	corona	corona	NN
39142	1907	22	.	.	.
39142	1908	1	If	if	IN
39142	1908	2	a	a	DT
39142	1908	3	plate	plate	NN
39142	1908	4	is	be	VBZ
39142	1908	5	exposed	expose	VBN
39142	1908	6	long	long	RB
39142	1908	7	enough	enough	RB
39142	1908	8	to	to	TO
39142	1908	9	get	get	VB
39142	1908	10	the	the	DT
39142	1908	11	outer	outer	JJ
39142	1908	12	corona	corona	NN
39142	1908	13	,	,	,
39142	1908	14	the	the	DT
39142	1908	15	exceeding	exceed	VBG
39142	1908	16	brightness	brightness	NN
39142	1908	17	of	of	IN
39142	1908	18	the	the	DT
39142	1908	19	inner	inner	JJ
39142	1908	20	corona	corona	NN
39142	1908	21	overexposes	overexpose	NNS
39142	1908	22	and	and	CC
39142	1908	23	burns	burn	VBZ
39142	1908	24	out	out	RP
39142	1908	25	that	that	IN
39142	1908	26	part	part	NN
39142	1908	27	of	of	IN
39142	1908	28	the	the	DT
39142	1908	29	plate	plate	NN
39142	1908	30	or	or	CC
39142	1908	31	film	film	NN
39142	1908	32	.	.	.
39142	1909	1	If	if	IN
39142	1909	2	the	the	DT
39142	1909	3	exposure	exposure	NN
39142	1909	4	is	be	VBZ
39142	1909	5	short	short	JJ
39142	1909	6	,	,	,
39142	1909	7	we	-PRON-	PRP
39142	1909	8	get	get	VBP
39142	1909	9	certain	certain	JJ
39142	1909	10	regions	region	NNS
39142	1909	11	of	of	IN
39142	1909	12	the	the	DT
39142	1909	13	inner	inner	JJ
39142	1909	14	corona	corona	NN
39142	1909	15	excellently	excellently	RB
39142	1909	16	,	,	,
39142	1909	17	but	but	CC
39142	1909	18	the	the	DT
39142	1909	19	outer	outer	JJ
39142	1909	20	regions	region	NNS
39142	1909	21	are	be	VBP
39142	1909	22	a	a	DT
39142	1909	23	blank	blank	JJ
39142	1909	24	because	because	IN
39142	1909	25	they	-PRON-	PRP
39142	1909	26	can	can	MD
39142	1909	27	be	be	VB
39142	1909	28	caught	catch	VBN
39142	1909	29	only	only	RB
39142	1909	30	by	by	IN
39142	1909	31	a	a	DT
39142	1909	32	long	long	JJ
39142	1909	33	exposure	exposure	NN
39142	1909	34	.	.	.
39142	1910	1	So	so	RB
39142	1910	2	the	the	DT
39142	1910	3	only	only	JJ
39142	1910	4	way	way	NN
39142	1910	5	is	be	VBZ
39142	1910	6	to	to	TO
39142	1910	7	take	take	VB
39142	1910	8	a	a	DT
39142	1910	9	series	series	NN
39142	1910	10	of	of	IN
39142	1910	11	pictures	picture	NNS
39142	1910	12	with	with	IN
39142	1910	13	a	a	DT
39142	1910	14	wide	wide	JJ
39142	1910	15	range	range	NN
39142	1910	16	of	of	IN
39142	1910	17	exposures	exposure	NNS
39142	1910	18	,	,	,
39142	1910	19	and	and	CC
39142	1910	20	then	then	RB
39142	1910	21	by	by	IN
39142	1910	22	careful	careful	JJ
39142	1910	23	and	and	CC
39142	1910	24	artistic	artistic	JJ
39142	1910	25	handwork	handwork	NN
39142	1910	26	,	,	,
39142	1910	27	combine	combine	VB
39142	1910	28	them	-PRON-	PRP
39142	1910	29	all	all	DT
39142	1910	30	into	into	IN
39142	1910	31	a	a	DT
39142	1910	32	single	single	JJ
39142	1910	33	drawing	drawing	NN
39142	1910	34	.	.	.
39142	1911	1	Wesley	Wesley	NNP
39142	1911	2	of	of	IN
39142	1911	3	London	London	NNP
39142	1911	4	has	have	VBZ
39142	1911	5	succeeded	succeed	VBN
39142	1911	6	eminently	eminently	RB
39142	1911	7	in	in	IN
39142	1911	8	work	work	NN
39142	1911	9	of	of	IN
39142	1911	10	this	this	DT
39142	1911	11	character	character	NN
39142	1911	12	,	,	,
39142	1911	13	and	and	CC
39142	1911	14	his	-PRON-	PRP$
39142	1911	15	drawings	drawing	NNS
39142	1911	16	of	of	IN
39142	1911	17	the	the	DT
39142	1911	18	sun	sun	NN
39142	1911	19	's	's	POS
39142	1911	20	corona	corona	NN
39142	1911	21	,	,	,
39142	1911	22	visible	visible	JJ
39142	1911	23	at	at	IN
39142	1911	24	total	total	JJ
39142	1911	25	eclipses	eclipse	NNS
39142	1911	26	from	from	IN
39142	1911	27	1871	1871	CD
39142	1911	28	onward	onward	RB
39142	1911	29	,	,	,
39142	1911	30	in	in	IN
39142	1911	31	possession	possession	NN
39142	1911	32	of	of	IN
39142	1911	33	the	the	DT
39142	1911	34	Royal	Royal	NNP
39142	1911	35	Astronomical	Astronomical	NNP
39142	1911	36	Society	Society	NNP
39142	1911	37	,	,	,
39142	1911	38	are	be	VBP
39142	1911	39	the	the	DT
39142	1911	40	finest	fine	JJS
39142	1911	41	in	in	IN
39142	1911	42	existence	existence	NN
39142	1911	43	.	.	.
39142	1912	1	They	-PRON-	PRP
39142	1912	2	give	give	VBP
39142	1912	3	a	a	DT
39142	1912	4	vastly	vastly	RB
39142	1912	5	better	well	JJR
39142	1912	6	idea	idea	NN
39142	1912	7	of	of	IN
39142	1912	8	the	the	DT
39142	1912	9	corona	corona	NN
39142	1912	10	,	,	,
39142	1912	11	as	as	IN
39142	1912	12	the	the	DT
39142	1912	13	eye	eye	NN
39142	1912	14	sees	see	VBZ
39142	1912	15	it	-PRON-	PRP
39142	1912	16	,	,	,
39142	1912	17	than	than	IN
39142	1912	18	any	any	DT
39142	1912	19	single	single	JJ
39142	1912	20	photograph	photograph	NN
39142	1912	21	possibly	possibly	RB
39142	1912	22	can	can	MD
39142	1912	23	.	.	.
39142	1913	1	The	the	DT
39142	1913	2	early	early	JJ
39142	1913	3	observers	observer	NNS
39142	1913	4	apparently	apparently	RB
39142	1913	5	never	never	RB
39142	1913	6	thought	think	VBD
39142	1913	7	of	of	IN
39142	1913	8	the	the	DT
39142	1913	9	corona	corona	NN
39142	1913	10	as	as	IN
39142	1913	11	being	be	VBG
39142	1913	12	connected	connect	VBN
39142	1913	13	with	with	IN
39142	1913	14	the	the	DT
39142	1913	15	sun	sun	NN
39142	1913	16	.	.	.
39142	1914	1	It	-PRON-	PRP
39142	1914	2	was	be	VBD
39142	1914	3	a	a	DT
39142	1914	4	halo	halo	NN
39142	1914	5	merely	merely	RB
39142	1914	6	,	,	,
39142	1914	7	and	and	CC
39142	1914	8	so	so	RB
39142	1914	9	drawn	drawn	JJ
39142	1914	10	.	.	.
39142	1915	1	Its	-PRON-	PRP$
39142	1915	2	real	real	JJ
39142	1915	3	structure	structure	NN
39142	1915	4	was	be	VBD
39142	1915	5	neither	neither	RB
39142	1915	6	known	know	VBN
39142	1915	7	,	,	,
39142	1915	8	depicted	depict	VBN
39142	1915	9	,	,	,
39142	1915	10	or	or	CC
39142	1915	11	investigated	investigate	VBN
39142	1915	12	.	.	.
39142	1916	1	Sketches	sketch	NNS
39142	1916	2	were	be	VBD
39142	1916	3	structureless	structureless	NN
39142	1916	4	,	,	,
39142	1916	5	as	as	IN
39142	1916	6	any	any	DT
39142	1916	7	aureola	aureola	NN
39142	1916	8	formed	form	VBN
39142	1916	9	by	by	IN
39142	1916	10	stray	stray	NNP
39142	1916	11	sunlight	sunlight	NNP
39142	1916	12	grazing	graze	VBG
39142	1916	13	the	the	DT
39142	1916	14	moon	moon	NN
39142	1916	15	might	may	MD
39142	1916	16	naturally	naturally	RB
39142	1916	17	be	be	VB
39142	1916	18	.	.	.
39142	1917	1	That	that	IN
39142	1917	2	the	the	DT
39142	1917	3	rays	ray	NNS
39142	1917	4	are	be	VBP
39142	1917	5	curved	curved	JJ
39142	1917	6	and	and	CC
39142	1917	7	far	far	RB
39142	1917	8	from	from	IN
39142	1917	9	radial	radial	JJ
39142	1917	10	round	round	RB
39142	1917	11	the	the	DT
39142	1917	12	sun	sun	NN
39142	1917	13	was	be	VBD
39142	1917	14	shown	show	VBN
39142	1917	15	for	for	IN
39142	1917	16	the	the	DT
39142	1917	17	first	first	JJ
39142	1917	18	time	time	NN
39142	1917	19	in	in	IN
39142	1917	20	the	the	DT
39142	1917	21	sketches	sketch	NNS
39142	1917	22	of	of	IN
39142	1917	23	1842	1842	CD
39142	1917	24	,	,	,
39142	1917	25	and	and	CC
39142	1917	26	in	in	IN
39142	1917	27	1860	1860	CD
39142	1917	28	Sir	Sir	NNP
39142	1917	29	Francis	Francis	NNP
39142	1917	30	Galton	Galton	NNP
39142	1917	31	observed	observe	VBD
39142	1917	32	that	that	IN
39142	1917	33	the	the	DT
39142	1917	34	long	long	JJ
39142	1917	35	arms	arm	NNS
39142	1917	36	or	or	CC
39142	1917	37	streamers	streamer	NNS
39142	1917	38	"	"	``
39142	1917	39	do	do	VBP
39142	1917	40	not	not	RB
39142	1917	41	radiate	radiate	VB
39142	1917	42	strictly	strictly	RB
39142	1917	43	from	from	IN
39142	1917	44	the	the	DT
39142	1917	45	center	center	NN
39142	1917	46	.	.	.
39142	1917	47	"	"	''
39142	1918	1	The	the	DT
39142	1918	2	inner	inner	JJ
39142	1918	3	corona	corona	NN
39142	1918	4	had	have	VBD
39142	1918	5	first	first	RB
39142	1918	6	been	be	VBN
39142	1918	7	recorded	record	VBN
39142	1918	8	photographically	photographically	RB
39142	1918	9	on	on	IN
39142	1918	10	a	a	DT
39142	1918	11	daguerreotype	daguerreotype	NN
39142	1918	12	plate	plate	NN
39142	1918	13	during	during	IN
39142	1918	14	the	the	DT
39142	1918	15	eclipse	eclipse	NN
39142	1918	16	of	of	IN
39142	1918	17	1851	1851	CD
39142	1918	18	,	,	,
39142	1918	19	but	but	CC
39142	1918	20	the	the	DT
39142	1918	21	lens	lens	NN
39142	1918	22	belonged	belong	VBD
39142	1918	23	to	to	IN
39142	1918	24	a	a	DT
39142	1918	25	heliometer	heliometer	NN
39142	1918	26	,	,	,
39142	1918	27	and	and	CC
39142	1918	28	was	be	VBD
39142	1918	29	of	of	IN
39142	1918	30	course	course	NN
39142	1918	31	uncorrected	uncorrected	JJ
39142	1918	32	for	for	IN
39142	1918	33	the	the	DT
39142	1918	34	photographic	photographic	JJ
39142	1918	35	rays	ray	NNS
39142	1918	36	.	.	.
39142	1919	1	The	the	DT
39142	1919	2	wet	wet	JJ
39142	1919	3	collodion	collodion	NN
39142	1919	4	plates	plate	NNS
39142	1919	5	of	of	IN
39142	1919	6	the	the	DT
39142	1919	7	eclipse	eclipse	NN
39142	1919	8	of	of	IN
39142	1919	9	1860	1860	CD
39142	1919	10	,	,	,
39142	1919	11	by	by	IN
39142	1919	12	De	De	NNP
39142	1919	13	la	la	NNP
39142	1919	14	Rue	Rue	NNP
39142	1919	15	,	,	,
39142	1919	16	proved	prove	VBD
39142	1919	17	that	that	IN
39142	1919	18	not	not	RB
39142	1919	19	only	only	RB
39142	1919	20	the	the	DT
39142	1919	21	prominences	prominence	NNS
39142	1919	22	but	but	CC
39142	1919	23	the	the	DT
39142	1919	24	corona	corona	NN
39142	1919	25	were	be	VBD
39142	1919	26	truly	truly	RB
39142	1919	27	solar	solar	JJ
39142	1919	28	,	,	,
39142	1919	29	because	because	IN
39142	1919	30	his	-PRON-	PRP$
39142	1919	31	series	series	NN
39142	1919	32	of	of	IN
39142	1919	33	technically	technically	RB
39142	1919	34	perfect	perfect	JJ
39142	1919	35	pictures	picture	NNS
39142	1919	36	revealed	reveal	VBD
39142	1919	37	the	the	DT
39142	1919	38	steady	steady	JJ
39142	1919	39	and	and	CC
39142	1919	40	unchanged	unchanged	JJ
39142	1919	41	character	character	NN
39142	1919	42	of	of	IN
39142	1919	43	these	these	DT
39142	1919	44	phenomena	phenomenon	NNS
39142	1919	45	while	while	IN
39142	1919	46	the	the	DT
39142	1919	47	moon	moon	NN
39142	1919	48	's	's	POS
39142	1919	49	disk	disk	NN
39142	1919	50	was	be	VBD
39142	1919	51	passing	pass	VBG
39142	1919	52	over	over	IN
39142	1919	53	them	-PRON-	PRP
39142	1919	54	as	as	IN
39142	1919	55	totality	totality	NN
39142	1919	56	progressed	progress	VBD
39142	1919	57	.	.	.
39142	1920	1	And	and	CC
39142	1920	2	at	at	IN
39142	1920	3	the	the	DT
39142	1920	4	eclipse	eclipse	NN
39142	1920	5	of	of	IN
39142	1920	6	1869	1869	CD
39142	1920	7	,	,	,
39142	1920	8	Young	Young	NNP
39142	1920	9	put	put	VBD
39142	1920	10	the	the	DT
39142	1920	11	solar	solar	JJ
39142	1920	12	theory	theory	NN
39142	1920	13	of	of	IN
39142	1920	14	the	the	DT
39142	1920	15	corona	corona	NN
39142	1920	16	beyond	beyond	IN
39142	1920	17	the	the	DT
39142	1920	18	shadow	shadow	NN
39142	1920	19	of	of	IN
39142	1920	20	any	any	DT
39142	1920	21	further	further	JJ
39142	1920	22	doubt	doubt	NN
39142	1920	23	by	by	IN
39142	1920	24	examination	examination	NN
39142	1920	25	of	of	IN
39142	1920	26	its	-PRON-	PRP$
39142	1920	27	light	light	NN
39142	1920	28	with	with	IN
39142	1920	29	the	the	DT
39142	1920	30	spectroscope	spectroscope	NN
39142	1920	31	and	and	CC
39142	1920	32	discovering	discover	VBG
39142	1920	33	a	a	DT
39142	1920	34	green	green	JJ
39142	1920	35	line	line	NN
39142	1920	36	in	in	IN
39142	1920	37	the	the	DT
39142	1920	38	spectrum	spectrum	NN
39142	1920	39	due	due	IN
39142	1920	40	to	to	IN
39142	1920	41	incandescent	incandescent	JJ
39142	1920	42	vapor	vapor	NN
39142	1920	43	of	of	IN
39142	1920	44	a	a	DT
39142	1920	45	substance	substance	NN
39142	1920	46	not	not	RB
39142	1920	47	then	then	RB
39142	1920	48	identified	identify	VBN
39142	1920	49	with	with	IN
39142	1920	50	anything	anything	NN
39142	1920	51	terrestrial	terrestrial	JJ
39142	1920	52	,	,	,
39142	1920	53	and	and	CC
39142	1920	54	therefore	therefore	RB
39142	1920	55	called	call	VBN
39142	1920	56	coronium	coronium	NN
39142	1920	57	.	.	.
39142	1921	1	The	the	DT
39142	1921	2	total	total	JJ
39142	1921	3	brilliance	brilliance	NN
39142	1921	4	of	of	IN
39142	1921	5	the	the	DT
39142	1921	6	corona	corona	NN
39142	1921	7	was	be	VBD
39142	1921	8	very	very	RB
39142	1921	9	differently	differently	RB
39142	1921	10	estimated	estimate	VBN
39142	1921	11	by	by	IN
39142	1921	12	the	the	DT
39142	1921	13	earlier	early	JJR
39142	1921	14	observers	observer	NNS
39142	1921	15	,	,	,
39142	1921	16	though	though	IN
39142	1921	17	pretty	pretty	RB
39142	1921	18	carefully	carefully	RB
39142	1921	19	measured	measure	VBN
39142	1921	20	at	at	IN
39142	1921	21	later	later	RB
39142	1921	22	eclipses	eclipse	NNS
39142	1921	23	.	.	.
39142	1922	1	The	the	DT
39142	1922	2	standard	standard	JJ
39142	1922	3	full	full	JJ
39142	1922	4	moon	moon	NN
39142	1922	5	is	be	VBZ
39142	1922	6	used	use	VBN
39142	1922	7	for	for	IN
39142	1922	8	reference	reference	NN
39142	1922	9	,	,	,
39142	1922	10	and	and	CC
39142	1922	11	at	at	IN
39142	1922	12	one	one	CD
39142	1922	13	eclipse	eclipse	NN
39142	1922	14	the	the	DT
39142	1922	15	corona	corona	NN
39142	1922	16	falls	fall	VBZ
39142	1922	17	short	short	RB
39142	1922	18	of	of	IN
39142	1922	19	,	,	,
39142	1922	20	while	while	IN
39142	1922	21	at	at	IN
39142	1922	22	another	another	DT
39142	1922	23	it	-PRON-	PRP
39142	1922	24	will	will	MD
39142	1922	25	exceed	exceed	VB
39142	1922	26	the	the	DT
39142	1922	27	full	full	JJ
39142	1922	28	moon	moon	NN
39142	1922	29	in	in	IN
39142	1922	30	brightness	brightness	NN
39142	1922	31	.	.	.
39142	1923	1	Variations	variation	NNS
39142	1923	2	in	in	IN
39142	1923	3	brilliancy	brilliancy	NN
39142	1923	4	are	be	VBP
39142	1923	5	quite	quite	RB
39142	1923	6	marked	marked	JJ
39142	1923	7	:	:	:
39142	1923	8	at	at	IN
39142	1923	9	one	one	CD
39142	1923	10	eclipse	eclipse	NN
39142	1923	11	it	-PRON-	PRP
39142	1923	12	was	be	VBD
39142	1923	13	nearly	nearly	RB
39142	1923	14	four	four	CD
39142	1923	15	times	time	NNS
39142	1923	16	as	as	RB
39142	1923	17	bright	bright	JJ
39142	1923	18	as	as	IN
39142	1923	19	the	the	DT
39142	1923	20	full	full	JJ
39142	1923	21	moon	moon	NN
39142	1923	22	.	.	.
39142	1924	1	Much	much	JJ
39142	1924	2	evidence	evidence	NN
39142	1924	3	has	have	VBZ
39142	1924	4	already	already	RB
39142	1924	5	accumulated	accumulate	VBN
39142	1924	6	on	on	IN
39142	1924	7	this	this	DT
39142	1924	8	question	question	NN
39142	1924	9	;	;	:
39142	1924	10	but	but	CC
39142	1924	11	whether	whether	IN
39142	1924	12	the	the	DT
39142	1924	13	observed	observed	JJ
39142	1924	14	variations	variation	NNS
39142	1924	15	are	be	VBP
39142	1924	16	real	real	JJ
39142	1924	17	,	,	,
39142	1924	18	or	or	CC
39142	1924	19	due	due	JJ
39142	1924	20	mainly	mainly	RB
39142	1924	21	to	to	IN
39142	1924	22	the	the	DT
39142	1924	23	varying	varying	JJ
39142	1924	24	relative	relative	JJ
39142	1924	25	sizes	size	NNS
39142	1924	26	of	of	IN
39142	1924	27	sun	sun	NN
39142	1924	28	and	and	CC
39142	1924	29	moon	moon	NN
39142	1924	30	at	at	IN
39142	1924	31	different	different	JJ
39142	1924	32	eclipses	eclipse	NNS
39142	1924	33	,	,	,
39142	1924	34	is	be	VBZ
39142	1924	35	not	not	RB
39142	1924	36	yet	yet	RB
39142	1924	37	known	know	VBN
39142	1924	38	.	.	.
39142	1925	1	The	the	DT
39142	1925	2	coronal	coronal	JJ
39142	1925	3	light	light	NN
39142	1925	4	is	be	VBZ
39142	1925	5	largely	largely	RB
39142	1925	6	bluish	bluish	JJ
39142	1925	7	in	in	IN
39142	1925	8	tint	tint	NN
39142	1925	9	,	,	,
39142	1925	10	and	and	CC
39142	1925	11	this	this	DT
39142	1925	12	is	be	VBZ
39142	1925	13	the	the	DT
39142	1925	14	region	region	NN
39142	1925	15	of	of	IN
39142	1925	16	the	the	DT
39142	1925	17	spectrum	spectrum	NN
39142	1925	18	most	most	RBS
39142	1925	19	powerfully	powerfully	RB
39142	1925	20	absorbed	absorb	VBN
39142	1925	21	by	by	IN
39142	1925	22	our	-PRON-	PRP$
39142	1925	23	atmosphere	atmosphere	NN
39142	1925	24	.	.	.
39142	1926	1	Eclipses	eclipse	NNS
39142	1926	2	are	be	VBP
39142	1926	3	observed	observe	VBN
39142	1926	4	by	by	IN
39142	1926	5	different	different	JJ
39142	1926	6	expeditions	expedition	NNS
39142	1926	7	located	locate	VBN
39142	1926	8	at	at	IN
39142	1926	9	stations	station	NNS
39142	1926	10	where	where	WRB
39142	1926	11	the	the	DT
39142	1926	12	eclipsed	eclipsed	JJ
39142	1926	13	sun	sun	NN
39142	1926	14	stands	stand	VBZ
39142	1926	15	at	at	IN
39142	1926	16	very	very	RB
39142	1926	17	different	different	JJ
39142	1926	18	altitudes	altitude	NNS
39142	1926	19	above	above	IN
39142	1926	20	the	the	DT
39142	1926	21	horizon	horizon	NN
39142	1926	22	;	;	:
39142	1926	23	besides	besides	IN
39142	1926	24	this	this	DT
39142	1926	25	the	the	DT
39142	1926	26	localities	locality	NNS
39142	1926	27	of	of	IN
39142	1926	28	observation	observation	NN
39142	1926	29	are	be	VBP
39142	1926	30	at	at	IN
39142	1926	31	varied	varied	JJ
39142	1926	32	elevations	elevation	NNS
39142	1926	33	above	above	IN
39142	1926	34	sea	sea	NN
39142	1926	35	level	level	NN
39142	1926	36	;	;	:
39142	1926	37	so	so	IN
39142	1926	38	that	that	IN
39142	1926	39	the	the	DT
39142	1926	40	varying	varying	NN
39142	1926	41	amount	amount	NN
39142	1926	42	of	of	IN
39142	1926	43	absorption	absorption	NN
39142	1926	44	of	of	IN
39142	1926	45	the	the	DT
39142	1926	46	coronal	coronal	JJ
39142	1926	47	light	light	NN
39142	1926	48	renders	render	VBZ
39142	1926	49	the	the	DT
39142	1926	50	problem	problem	NN
39142	1926	51	one	one	CD
39142	1926	52	of	of	IN
39142	1926	53	much	much	JJ
39142	1926	54	difficulty	difficulty	NN
39142	1926	55	.	.	.
39142	1927	1	The	the	DT
39142	1927	2	long	long	JJ
39142	1927	3	ecliptic	ecliptic	JJ
39142	1927	4	streamers	streamer	NNS
39142	1927	5	of	of	IN
39142	1927	6	the	the	DT
39142	1927	7	corona	corona	NN
39142	1927	8	were	be	VBD
39142	1927	9	first	first	RB
39142	1927	10	seen	see	VBN
39142	1927	11	by	by	IN
39142	1927	12	Newcomb	Newcomb	NNP
39142	1927	13	and	and	CC
39142	1927	14	Langley	Langley	NNP
39142	1927	15	during	during	IN
39142	1927	16	the	the	DT
39142	1927	17	totality	totality	NN
39142	1927	18	of	of	IN
39142	1927	19	1878	1878	CD
39142	1927	20	.	.	.
39142	1928	1	On	on	IN
39142	1928	2	one	one	CD
39142	1928	3	side	side	NN
39142	1928	4	of	of	IN
39142	1928	5	the	the	DT
39142	1928	6	sun	sun	NN
39142	1928	7	there	there	EX
39142	1928	8	was	be	VBD
39142	1928	9	a	a	DT
39142	1928	10	stupendous	stupendous	JJ
39142	1928	11	extension	extension	NN
39142	1928	12	of	of	IN
39142	1928	13	at	at	IN
39142	1928	14	least	least	JJS
39142	1928	15	twelve	twelve	CD
39142	1928	16	solar	solar	JJ
39142	1928	17	diameters	diameter	NNS
39142	1928	18	,	,	,
39142	1928	19	or	or	CC
39142	1928	20	nearly	nearly	RB
39142	1928	21	11	11	CD
39142	1928	22	millions	million	NNS
39142	1928	23	of	of	IN
39142	1928	24	miles	mile	NNS
39142	1928	25	.	.	.
39142	1929	1	Langley	Langley	NNP
39142	1929	2	observed	observe	VBD
39142	1929	3	from	from	IN
39142	1929	4	the	the	DT
39142	1929	5	summit	summit	NN
39142	1929	6	of	of	IN
39142	1929	7	Pike	Pike	NNP
39142	1929	8	's	's	POS
39142	1929	9	Peak	Peak	NNP
39142	1929	10	,	,	,
39142	1929	11	over	over	IN
39142	1929	12	14,000	14,000	CD
39142	1929	13	feet	foot	NNS
39142	1929	14	high	high	JJ
39142	1929	15	,	,	,
39142	1929	16	and	and	CC
39142	1929	17	was	be	VBD
39142	1929	18	sure	sure	JJ
39142	1929	19	that	that	IN
39142	1929	20	he	-PRON-	PRP
39142	1929	21	was	be	VBD
39142	1929	22	witnessing	witness	VBG
39142	1929	23	a	a	DT
39142	1929	24	"	"	``
39142	1929	25	real	real	JJ
39142	1929	26	phenomenon	phenomenon	NN
39142	1929	27	heretofore	heretofore	RB
39142	1929	28	undescribed	undescribed	NNP
39142	1929	29	.	.	.
39142	1929	30	"	"	''
39142	1930	1	The	the	DT
39142	1930	2	vast	vast	JJ
39142	1930	3	advantage	advantage	NN
39142	1930	4	of	of	IN
39142	1930	5	elevation	elevation	NN
39142	1930	6	was	be	VBD
39142	1930	7	apparent	apparent	JJ
39142	1930	8	also	also	RB
39142	1930	9	from	from	IN
39142	1930	10	the	the	DT
39142	1930	11	fact	fact	NN
39142	1930	12	that	that	IN
39142	1930	13	he	-PRON-	PRP
39142	1930	14	held	hold	VBD
39142	1930	15	the	the	DT
39142	1930	16	corona	corona	NN
39142	1930	17	for	for	IN
39142	1930	18	more	more	JJR
39142	1930	19	than	than	IN
39142	1930	20	four	four	CD
39142	1930	21	minutes	minute	NNS
39142	1930	22	after	after	IN
39142	1930	23	true	true	JJ
39142	1930	24	totality	totality	NN
39142	1930	25	had	have	VBD
39142	1930	26	ended	end	VBN
39142	1930	27	.	.	.
39142	1931	1	These	these	DT
39142	1931	2	streamers	streamer	NNS
39142	1931	3	are	be	VBP
39142	1931	4	characteristic	characteristic	JJ
39142	1931	5	of	of	IN
39142	1931	6	the	the	DT
39142	1931	7	epoch	epoch	NN
39142	1931	8	of	of	IN
39142	1931	9	minimum	minimum	JJ
39142	1931	10	spots	spot	NNS
39142	1931	11	on	on	IN
39142	1931	12	the	the	DT
39142	1931	13	sun	sun	NN
39142	1931	14	,	,	,
39142	1931	15	as	as	IN
39142	1931	16	Ranyard	Ranyard	NNP
39142	1931	17	first	first	RB
39142	1931	18	suggested	suggest	VBD
39142	1931	19	.	.	.
39142	1932	1	It	-PRON-	PRP
39142	1932	2	was	be	VBD
39142	1932	3	found	find	VBN
39142	1932	4	that	that	IN
39142	1932	5	this	this	DT
39142	1932	6	type	type	NN
39142	1932	7	of	of	IN
39142	1932	8	corona	corona	NN
39142	1932	9	had	have	VBD
39142	1932	10	been	be	VBN
39142	1932	11	recorded	record	VBN
39142	1932	12	also	also	RB
39142	1932	13	in	in	IN
39142	1932	14	1867	1867	CD
39142	1932	15	;	;	:
39142	1932	16	and	and	CC
39142	1932	17	it	-PRON-	PRP
39142	1932	18	has	have	VBZ
39142	1932	19	reappeared	reappear	VBN
39142	1932	20	in	in	IN
39142	1932	21	1889	1889	CD
39142	1932	22	,	,	,
39142	1932	23	1900	1900	CD
39142	1932	24	and	and	CC
39142	1932	25	1911	1911	CD
39142	1932	26	,	,	,
39142	1932	27	and	and	CC
39142	1932	28	will	will	MD
39142	1932	29	doubtless	doubtless	RB
39142	1932	30	be	be	VB
39142	1932	31	visible	visible	JJ
39142	1932	32	again	again	RB
39142	1932	33	in	in	IN
39142	1932	34	1922	1922	CD
39142	1932	35	.	.	.
39142	1933	1	How	how	WRB
39142	1933	2	rapidly	rapidly	RB
39142	1933	3	the	the	DT
39142	1933	4	streamers	streamer	NNS
39142	1933	5	of	of	IN
39142	1933	6	the	the	DT
39142	1933	7	corona	corona	NN
39142	1933	8	vary	vary	NN
39142	1933	9	is	be	VBZ
39142	1933	10	not	not	RB
39142	1933	11	known	know	VBN
39142	1933	12	.	.	.
39142	1934	1	Occasionally	occasionally	RB
39142	1934	2	an	an	DT
39142	1934	3	observer	observer	NN
39142	1934	4	reports	report	NNS
39142	1934	5	having	have	VBG
39142	1934	6	seen	see	VBN
39142	1934	7	the	the	DT
39142	1934	8	filaments	filament	NNS
39142	1934	9	vibrate	vibrate	VB
39142	1934	10	rapidly	rapidly	RB
39142	1934	11	as	as	IN
39142	1934	12	in	in	IN
39142	1934	13	the	the	DT
39142	1934	14	aurora	aurora	NNP
39142	1934	15	borealis	borealis	NNP
39142	1934	16	,	,	,
39142	1934	17	but	but	CC
39142	1934	18	this	this	DT
39142	1934	19	is	be	VBZ
39142	1934	20	not	not	RB
39142	1934	21	verified	verify	VBN
39142	1934	22	by	by	IN
39142	1934	23	others	other	NNS
39142	1934	24	who	who	WP
39142	1934	25	saw	see	VBD
39142	1934	26	the	the	DT
39142	1934	27	same	same	JJ
39142	1934	28	corona	corona	NN
39142	1934	29	perfectly	perfectly	RB
39142	1934	30	unmoving	unmoving	JJ
39142	1934	31	.	.	.
39142	1935	1	Comparisons	comparison	NNS
39142	1935	2	of	of	IN
39142	1935	3	photographs	photograph	NNS
39142	1935	4	taken	take	VBN
39142	1935	5	at	at	IN
39142	1935	6	widely	widely	RB
39142	1935	7	separate	separate	JJ
39142	1935	8	stations	station	NNS
39142	1935	9	during	during	IN
39142	1935	10	the	the	DT
39142	1935	11	same	same	JJ
39142	1935	12	eclipse	eclipse	NN
39142	1935	13	have	have	VBP
39142	1935	14	shown	show	VBN
39142	1935	15	that	that	IN
39142	1935	16	at	at	IN
39142	1935	17	least	least	JJS
39142	1935	18	the	the	DT
39142	1935	19	corona	corona	NN
39142	1935	20	remained	remain	VBD
39142	1935	21	stationary	stationary	JJ
39142	1935	22	for	for	IN
39142	1935	23	hours	hour	NNS
39142	1935	24	at	at	IN
39142	1935	25	a	a	DT
39142	1935	26	time	time	NN
39142	1935	27	.	.	.
39142	1936	1	Whether	whether	IN
39142	1936	2	it	-PRON-	PRP
39142	1936	3	may	may	MD
39142	1936	4	be	be	VB
39142	1936	5	unchanged	unchanged	JJ
39142	1936	6	at	at	IN
39142	1936	7	the	the	DT
39142	1936	8	end	end	NN
39142	1936	9	of	of	IN
39142	1936	10	a	a	DT
39142	1936	11	day	day	NN
39142	1936	12	,	,	,
39142	1936	13	or	or	CC
39142	1936	14	a	a	DT
39142	1936	15	week	week	NN
39142	1936	16	,	,	,
39142	1936	17	or	or	CC
39142	1936	18	a	a	DT
39142	1936	19	month	month	NN
39142	1936	20	,	,	,
39142	1936	21	is	be	VBZ
39142	1936	22	not	not	RB
39142	1936	23	known	know	VBN
39142	1936	24	;	;	:
39142	1936	25	because	because	IN
39142	1936	26	no	no	DT
39142	1936	27	two	two	CD
39142	1936	28	total	total	JJ
39142	1936	29	eclipses	eclipse	NNS
39142	1936	30	can	can	MD
39142	1936	31	ever	ever	RB
39142	1936	32	happen	happen	VB
39142	1936	33	nearer	near	JJR
39142	1936	34	each	each	DT
39142	1936	35	other	other	JJ
39142	1936	36	than	than	IN
39142	1936	37	within	within	IN
39142	1936	38	an	an	DT
39142	1936	39	interval	interval	NN
39142	1936	40	of	of	IN
39142	1936	41	173	173	CD
39142	1936	42	days	day	NNS
39142	1936	43	,	,	,
39142	1936	44	or	or	CC
39142	1936	45	one	one	CD
39142	1936	46	-	-	HYPH
39142	1936	47	half	half	NN
39142	1936	48	of	of	IN
39142	1936	49	the	the	DT
39142	1936	50	eclipse	eclipse	NN
39142	1936	51	year	year	NN
39142	1936	52	.	.	.
39142	1937	1	And	and	CC
39142	1937	2	usually	usually	RB
39142	1937	3	the	the	DT
39142	1937	4	interval	interval	NN
39142	1937	5	between	between	IN
39142	1937	6	total	total	JJ
39142	1937	7	eclipses	eclipse	NNS
39142	1937	8	is	be	VBZ
39142	1937	9	twice	twice	RB
39142	1937	10	or	or	CC
39142	1937	11	three	three	CD
39142	1937	12	times	time	NNS
39142	1937	13	this	this	DT
39142	1937	14	period	period	NN
39142	1937	15	.	.	.
39142	1938	1	Theories	theory	NNS
39142	1938	2	of	of	IN
39142	1938	3	what	what	WP
39142	1938	4	the	the	DT
39142	1938	5	solar	solar	JJ
39142	1938	6	corona	corona	NN
39142	1938	7	may	may	MD
39142	1938	8	be	be	VB
39142	1938	9	are	be	VBP
39142	1938	10	very	very	RB
39142	1938	11	numerous	numerous	JJ
39142	1938	12	.	.	.
39142	1939	1	The	the	DT
39142	1939	2	extreme	extreme	JJ
39142	1939	3	inner	inner	JJ
39142	1939	4	corona	corona	NN
39142	1939	5	is	be	VBZ
39142	1939	6	perhaps	perhaps	RB
39142	1939	7	in	in	IN
39142	1939	8	part	part	NN
39142	1939	9	a	a	DT
39142	1939	10	sort	sort	NN
39142	1939	11	of	of	IN
39142	1939	12	gaseous	gaseous	JJ
39142	1939	13	atmosphere	atmosphere	NN
39142	1939	14	of	of	IN
39142	1939	15	the	the	DT
39142	1939	16	sun	sun	NN
39142	1939	17	,	,	,
39142	1939	18	due	due	JJ
39142	1939	19	to	to	IN
39142	1939	20	matter	matter	NN
39142	1939	21	ejected	eject	VBN
39142	1939	22	from	from	IN
39142	1939	23	the	the	DT
39142	1939	24	sun	sun	NN
39142	1939	25	,	,	,
39142	1939	26	and	and	CC
39142	1939	27	kept	keep	VBD
39142	1939	28	in	in	IN
39142	1939	29	motion	motion	NN
39142	1939	30	by	by	IN
39142	1939	31	forces	force	NNS
39142	1939	32	of	of	IN
39142	1939	33	ejection	ejection	NN
39142	1939	34	,	,	,
39142	1939	35	gravity	gravity	NN
39142	1939	36	,	,	,
39142	1939	37	and	and	CC
39142	1939	38	repulsion	repulsion	NN
39142	1939	39	of	of	IN
39142	1939	40	some	some	DT
39142	1939	41	sort	sort	NN
39142	1939	42	.	.	.
39142	1940	1	Meteoric	meteoric	JJ
39142	1940	2	matter	matter	NN
39142	1940	3	is	be	VBZ
39142	1940	4	likely	likely	RB
39142	1940	5	concerned	concern	VBN
39142	1940	6	in	in	IN
39142	1940	7	it	-PRON-	PRP
39142	1940	8	,	,	,
39142	1940	9	and	and	CC
39142	1940	10	Huggins	Huggins	NNP
39142	1940	11	suggested	suggest	VBD
39142	1940	12	the	the	DT
39142	1940	13	débris	débris	NN
39142	1940	14	of	of	IN
39142	1940	15	disintegrating	disintegrate	VBG
39142	1940	16	comets	comet	NNS
39142	1940	17	.	.	.
39142	1941	1	Schuster	schuster	NN
39142	1941	2	was	be	VBD
39142	1941	3	in	in	IN
39142	1941	4	agreement	agreement	NN
39142	1941	5	with	with	IN
39142	1941	6	Huggins	Huggins	NNP
39142	1941	7	that	that	IN
39142	1941	8	the	the	DT
39142	1941	9	brighter	bright	JJR
39142	1941	10	filaments	filament	NNS
39142	1941	11	of	of	IN
39142	1941	12	the	the	DT
39142	1941	13	corona	corona	NN
39142	1941	14	might	may	MD
39142	1941	15	be	be	VB
39142	1941	16	due	due	IN
39142	1941	17	to	to	IN
39142	1941	18	electric	electric	JJ
39142	1941	19	discharges	discharge	NNS
39142	1941	20	,	,	,
39142	1941	21	but	but	CC
39142	1941	22	it	-PRON-	PRP
39142	1941	23	seems	seem	VBZ
39142	1941	24	very	very	RB
39142	1941	25	unlikely	unlikely	JJ
39142	1941	26	that	that	IN
39142	1941	27	any	any	DT
39142	1941	28	single	single	JJ
39142	1941	29	hypothesis	hypothesis	NN
39142	1941	30	can	can	MD
39142	1941	31	completely	completely	RB
39142	1941	32	account	account	VB
39142	1941	33	for	for	IN
39142	1941	34	the	the	DT
39142	1941	35	intricate	intricate	JJ
39142	1941	36	tracery	tracery	NN
39142	1941	37	of	of	IN
39142	1941	38	so	so	RB
39142	1941	39	complex	complex	JJ
39142	1941	40	a	a	DT
39142	1941	41	phenomenon	phenomenon	NN
39142	1941	42	.	.	.
39142	1942	1	[	[	-LRB-
39142	1942	2	Illustration	illustration	NN
39142	1942	3	:	:	:
39142	1942	4	SOLAR	solar	NN
39142	1942	5	CORONA	corona	NN
39142	1942	6	AND	and	CC
39142	1942	7	PROMINENCES	PROMINENCES	NNP
39142	1942	8	.	.	.
39142	1943	1	Photographed	photograph	VBN
39142	1943	2	during	during	IN
39142	1943	3	a	a	DT
39142	1943	4	total	total	JJ
39142	1943	5	eclipse	eclipse	NN
39142	1943	6	of	of	IN
39142	1943	7	the	the	DT
39142	1943	8	sun	sun	NN
39142	1943	9	,	,	,
39142	1943	10	June	June	NNP
39142	1943	11	8	8	CD
39142	1943	12	,	,	,
39142	1943	13	1918	1918	CD
39142	1943	14	.	.	.
39142	1944	1	(	(	-LRB-
39142	1944	2	_	_	NNP
39142	1944	3	Courtesy	Courtesy	NNP
39142	1944	4	,	,	,
39142	1944	5	American	American	NNP
39142	1944	6	Museum	Museum	NNP
39142	1944	7	of	of	IN
39142	1944	8	Natural	Natural	NNP
39142	1944	9	History	History	NNP
39142	1944	10	.	.	.
39142	1944	11	_	_	NNP
39142	1944	12	)	)	-RRB-
39142	1944	13	]	]	-RRB-
39142	1944	14	[	[	-LRB-
39142	1944	15	Illustration	illustration	NN
39142	1944	16	:	:	:
39142	1944	17	VENUS	VENUS	NNP
39142	1944	18	,	,	,
39142	1944	19	SHOWING	show	VBG
39142	1944	20	CRESCENT	crescent	JJ
39142	1944	21	PHASE	phase	NN
39142	1944	22	OF	of	IN
39142	1944	23	THE	the	DT
39142	1944	24	PLANET	PLANET	NNS
39142	1944	25	.	.	.
39142	1945	1	Venus	Venus	NNP
39142	1945	2	is	be	VBZ
39142	1945	3	the	the	DT
39142	1945	4	earth	earth	NN
39142	1945	5	's	's	POS
39142	1945	6	nearest	near	JJS
39142	1945	7	neighbor	neighbor	NN
39142	1945	8	on	on	IN
39142	1945	9	the	the	DT
39142	1945	10	side	side	NN
39142	1945	11	toward	toward	IN
39142	1945	12	the	the	DT
39142	1945	13	sun	sun	NN
39142	1945	14	.	.	.
39142	1946	1	(	(	-LRB-
39142	1946	2	_	_	NNP
39142	1946	3	Photo	Photo	NNP
39142	1946	4	,	,	,
39142	1946	5	Yerkes	Yerkes	NNP
39142	1946	6	Observatory	Observatory	NNP
39142	1946	7	.	.	.
39142	1946	8	_	_	NNP
39142	1946	9	)	)	-RRB-
39142	1946	10	]	]	-RRB-
39142	1946	11	[	[	-LRB-
39142	1946	12	Illustration	illustration	NN
39142	1946	13	:	:	:
39142	1946	14	MARS	MARS	NNP
39142	1946	15	,	,	,
39142	1946	16	THE	the	DT
39142	1946	17	PLANET	PLANET	NNP
39142	1946	18	NEXT	NEXT	NNP
39142	1946	19	BEYOND	BEYOND	NNP
39142	1946	20	THE	the	DT
39142	1946	21	EARTH	earth	NN
39142	1946	22	.	.	.
39142	1947	1	The	the	DT
39142	1947	2	photograph	photograph	NN
39142	1947	3	shows	show	VBZ
39142	1947	4	one	one	CD
39142	1947	5	of	of	IN
39142	1947	6	the	the	DT
39142	1947	7	white	white	JJ
39142	1947	8	polar	polar	NNP
39142	1947	9	caps	cap	NNS
39142	1947	10	.	.	.
39142	1948	1	The	the	DT
39142	1948	2	caps	cap	NNS
39142	1948	3	are	be	VBP
39142	1948	4	thought	think	VBN
39142	1948	5	to	to	TO
39142	1948	6	be	be	VB
39142	1948	7	snow	snow	NN
39142	1948	8	or	or	CC
39142	1948	9	ice	ice	NN
39142	1948	10	and	and	CC
39142	1948	11	may	may	MD
39142	1948	12	indicate	indicate	VB
39142	1948	13	the	the	DT
39142	1948	14	existence	existence	NN
39142	1948	15	of	of	IN
39142	1948	16	atmosphere	atmosphere	NN
39142	1948	17	.	.	.
39142	1949	1	(	(	-LRB-
39142	1949	2	_	_	NNP
39142	1949	3	Photo	Photo	NNP
39142	1949	4	,	,	,
39142	1949	5	Yerkes	Yerkes	NNP
39142	1949	6	Observatory	Observatory	NNP
39142	1949	7	.	.	.
39142	1949	8	_	_	NNP
39142	1949	9	)	)	-RRB-
39142	1949	10	]	]	-RRB-
39142	1949	11	Elaborate	elaborate	JJ
39142	1949	12	spectroscopic	spectroscopic	JJ
39142	1949	13	programs	program	NNS
39142	1949	14	have	have	VBP
39142	1949	15	been	be	VBN
39142	1949	16	carried	carry	VBN
39142	1949	17	out	out	RP
39142	1949	18	at	at	IN
39142	1949	19	recent	recent	JJ
39142	1949	20	eclipses	eclipse	NNS
39142	1949	21	,	,	,
39142	1949	22	affording	afford	VBG
39142	1949	23	evidence	evidence	NN
39142	1949	24	that	that	IN
39142	1949	25	certain	certain	JJ
39142	1949	26	regions	region	NNS
39142	1949	27	are	be	VBP
39142	1949	28	due	due	JJ
39142	1949	29	to	to	IN
39142	1949	30	incandescent	incandescent	JJ
39142	1949	31	matter	matter	NN
39142	1949	32	of	of	IN
39142	1949	33	lower	low	JJR
39142	1949	34	temperature	temperature	NN
39142	1949	35	than	than	IN
39142	1949	36	the	the	DT
39142	1949	37	sun	sun	NN
39142	1949	38	's	's	POS
39142	1949	39	surface	surface	NN
39142	1949	40	.	.	.
39142	1950	1	A	a	DT
39142	1950	2	small	small	JJ
39142	1950	3	part	part	NN
39142	1950	4	of	of	IN
39142	1950	5	the	the	DT
39142	1950	6	light	light	NN
39142	1950	7	of	of	IN
39142	1950	8	the	the	DT
39142	1950	9	corona	corona	NN
39142	1950	10	is	be	VBZ
39142	1950	11	sunlight	sunlight	NN
39142	1950	12	reflected	reflect	VBN
39142	1950	13	from	from	IN
39142	1950	14	dark	dark	JJ
39142	1950	15	particles	particle	NNS
39142	1950	16	possibly	possibly	RB
39142	1950	17	meteoric	meteoric	JJ
39142	1950	18	,	,	,
39142	1950	19	but	but	CC
39142	1950	20	more	more	RBR
39142	1950	21	likely	likely	JJ
39142	1950	22	dust	dust	NN
39142	1950	23	particles	particle	NNS
39142	1950	24	or	or	CC
39142	1950	25	fog	fog	NN
39142	1950	26	of	of	IN
39142	1950	27	some	some	DT
39142	1950	28	sort	sort	NN
39142	1950	29	.	.	.
39142	1951	1	This	this	DT
39142	1951	2	accounts	account	VBZ
39142	1951	3	for	for	IN
39142	1951	4	the	the	DT
39142	1951	5	weakened	weakened	JJ
39142	1951	6	solar	solar	JJ
39142	1951	7	spectrum	spectrum	NN
39142	1951	8	with	with	IN
39142	1951	9	Fraunhofer	Fraunhofer	NNP
39142	1951	10	absorption	absorption	NN
39142	1951	11	lines	line	NNS
39142	1951	12	,	,	,
39142	1951	13	and	and	CC
39142	1951	14	this	this	DT
39142	1951	15	part	part	NN
39142	1951	16	of	of	IN
39142	1951	17	the	the	DT
39142	1951	18	light	light	NN
39142	1951	19	is	be	VBZ
39142	1951	20	polarized	polarize	VBN
39142	1951	21	.	.	.
39142	1952	1	Many	many	JJ
39142	1952	2	have	have	VBP
39142	1952	3	been	be	VBN
39142	1952	4	the	the	DT
39142	1952	5	attempts	attempt	NNS
39142	1952	6	to	to	TO
39142	1952	7	see	see	VB
39142	1952	8	,	,	,
39142	1952	9	or	or	CC
39142	1952	10	photograph	photograph	NNP
39142	1952	11	,	,	,
39142	1952	12	the	the	DT
39142	1952	13	corona	corona	NN
39142	1952	14	without	without	IN
39142	1952	15	an	an	DT
39142	1952	16	eclipse	eclipse	NN
39142	1952	17	.	.	.
39142	1953	1	None	none	NN
39142	1953	2	of	of	IN
39142	1953	3	them	-PRON-	PRP
39142	1953	4	has	have	VBZ
39142	1953	5	,	,	,
39142	1953	6	however	however	RB
39142	1953	7	,	,	,
39142	1953	8	succeeded	succeed	VBD
39142	1953	9	as	as	RB
39142	1953	10	yet	yet	RB
39142	1953	11	.	.	.
39142	1954	1	Huggins	huggin	NNS
39142	1954	2	got	get	VBD
39142	1954	3	very	very	RB
39142	1954	4	promising	promising	JJ
39142	1954	5	results	result	NNS
39142	1954	6	nearly	nearly	RB
39142	1954	7	forty	forty	CD
39142	1954	8	years	year	NNS
39142	1954	9	ago	ago	RB
39142	1954	10	,	,	,
39142	1954	11	and	and	CC
39142	1954	12	success	success	NN
39142	1954	13	was	be	VBD
39142	1954	14	thought	think	VBN
39142	1954	15	to	to	TO
39142	1954	16	have	have	VB
39142	1954	17	been	be	VBN
39142	1954	18	reached	reach	VBN
39142	1954	19	;	;	:
39142	1954	20	but	but	CC
39142	1954	21	subsequent	subsequent	JJ
39142	1954	22	experiments	experiment	NNS
39142	1954	23	on	on	IN
39142	1954	24	the	the	DT
39142	1954	25	Riffelberg	Riffelberg	NNP
39142	1954	26	in	in	IN
39142	1954	27	1884	1884	CD
39142	1954	28	and	and	CC
39142	1954	29	later	later	RB
39142	1954	30	convinced	convince	VBD
39142	1954	31	him	-PRON-	PRP
39142	1954	32	that	that	IN
39142	1954	33	his	-PRON-	PRP$
39142	1954	34	results	result	NNS
39142	1954	35	related	relate	VBN
39142	1954	36	only	only	RB
39142	1954	37	to	to	IN
39142	1954	38	a	a	DT
39142	1954	39	spurious	spurious	JJ
39142	1954	40	corona	corona	NN
39142	1954	41	.	.	.
39142	1955	1	In	in	IN
39142	1955	2	1887	1887	CD
39142	1955	3	the	the	DT
39142	1955	4	writer	writer	NN
39142	1955	5	made	make	VBD
39142	1955	6	an	an	DT
39142	1955	7	unsuccessful	unsuccessful	JJ
39142	1955	8	attempt	attempt	NN
39142	1955	9	to	to	TO
39142	1955	10	visualize	visualize	VB
39142	1955	11	the	the	DT
39142	1955	12	corona	corona	NN
39142	1955	13	from	from	IN
39142	1955	14	the	the	DT
39142	1955	15	summit	summit	NN
39142	1955	16	of	of	IN
39142	1955	17	Fujiyama	Fujiyama	NNP
39142	1955	18	,	,	,
39142	1955	19	and	and	CC
39142	1955	20	Hale	Hale	NNP
39142	1955	21	tried	try	VBD
39142	1955	22	both	both	DT
39142	1955	23	optical	optical	JJ
39142	1955	24	and	and	CC
39142	1955	25	photographic	photographic	JJ
39142	1955	26	methods	method	NNS
39142	1955	27	on	on	IN
39142	1955	28	Pike	Pike	NNP
39142	1955	29	's	's	POS
39142	1955	30	Peak	Peak	NNP
39142	1955	31	in	in	IN
39142	1955	32	1893	1893	CD
39142	1955	33	without	without	IN
39142	1955	34	success	success	NN
39142	1955	35	.	.	.
39142	1956	1	He	-PRON-	PRP
39142	1956	2	devised	devise	VBD
39142	1956	3	later	later	RB
39142	1956	4	a	a	DT
39142	1956	5	promising	promising	JJ
39142	1956	6	method	method	NN
39142	1956	7	by	by	IN
39142	1956	8	which	which	WDT
39142	1956	9	the	the	DT
39142	1956	10	heat	heat	NN
39142	1956	11	of	of	IN
39142	1956	12	the	the	DT
39142	1956	13	corona	corona	NN
39142	1956	14	in	in	IN
39142	1956	15	different	different	JJ
39142	1956	16	regions	region	NNS
39142	1956	17	can	can	MD
39142	1956	18	be	be	VB
39142	1956	19	measured	measure	VBN
39142	1956	20	by	by	IN
39142	1956	21	the	the	DT
39142	1956	22	bolometer	bolometer	NN
39142	1956	23	,	,	,
39142	1956	24	and	and	CC
39142	1956	25	an	an	DT
39142	1956	26	outline	outline	JJ
39142	1956	27	corona	corona	NN
39142	1956	28	afterward	afterward	RB
39142	1956	29	sketched	sketch	VBD
39142	1956	30	from	from	IN
39142	1956	31	these	these	DT
39142	1956	32	results	result	NNS
39142	1956	33	.	.	.
39142	1957	1	Still	still	RB
39142	1957	2	another	another	DT
39142	1957	3	method	method	NN
39142	1957	4	of	of	IN
39142	1957	5	attacking	attack	VBG
39142	1957	6	the	the	DT
39142	1957	7	problem	problem	NN
39142	1957	8	occurred	occur	VBD
39142	1957	9	to	to	IN
39142	1957	10	the	the	DT
39142	1957	11	writer	writer	NN
39142	1957	12	in	in	IN
39142	1957	13	1919	1919	CD
39142	1957	14	,	,	,
39142	1957	15	which	which	WDT
39142	1957	16	has	have	VBZ
39142	1957	17	not	not	RB
39142	1957	18	yet	yet	RB
39142	1957	19	been	be	VBN
39142	1957	20	carried	carry	VBN
39142	1957	21	out	out	RP
39142	1957	22	.	.	.
39142	1958	1	It	-PRON-	PRP
39142	1958	2	would	would	MD
39142	1958	3	take	take	VB
39142	1958	4	advantage	advantage	NN
39142	1958	5	of	of	IN
39142	1958	6	recent	recent	JJ
39142	1958	7	advances	advance	NNS
39142	1958	8	in	in	IN
39142	1958	9	aeronautics	aeronautic	NNS
39142	1958	10	,	,	,
39142	1958	11	and	and	CC
39142	1958	12	contemplates	contemplate	VBZ
39142	1958	13	an	an	DT
39142	1958	14	artificial	artificial	JJ
39142	1958	15	eclipse	eclipse	NN
39142	1958	16	in	in	IN
39142	1958	17	the	the	DT
39142	1958	18	upper	upper	JJ
39142	1958	19	air	air	NN
39142	1958	20	by	by	IN
39142	1958	21	means	mean	NNS
39142	1958	22	of	of	IN
39142	1958	23	a	a	DT
39142	1958	24	black	black	JJ
39142	1958	25	spherical	spherical	JJ
39142	1958	26	balloon	balloon	NN
39142	1958	27	.	.	.
39142	1959	1	This	this	DT
39142	1959	2	would	would	MD
39142	1959	3	be	be	VB
39142	1959	4	sent	send	VBN
39142	1959	5	up	up	RP
39142	1959	6	to	to	IN
39142	1959	7	an	an	DT
39142	1959	8	altitude	altitude	NN
39142	1959	9	of	of	IN
39142	1959	10	perhaps	perhaps	RB
39142	1959	11	40,000	40,000	CD
39142	1959	12	feet	foot	NNS
39142	1959	13	,	,	,
39142	1959	14	where	where	WRB
39142	1959	15	it	-PRON-	PRP
39142	1959	16	would	would	MD
39142	1959	17	partake	partake	VB
39142	1959	18	of	of	IN
39142	1959	19	the	the	DT
39142	1959	20	motion	motion	NN
39142	1959	21	of	of	IN
39142	1959	22	the	the	DT
39142	1959	23	air	air	NN
39142	1959	24	current	current	NN
39142	1959	25	in	in	IN
39142	1959	26	which	which	WDT
39142	1959	27	it	-PRON-	PRP
39142	1959	28	came	come	VBD
39142	1959	29	to	to	IN
39142	1959	30	equilibrium	equilibrium	NN
39142	1959	31	.	.	.
39142	1960	1	Then	then	RB
39142	1960	2	a	a	DT
39142	1960	3	snapshot	snapshot	NN
39142	1960	4	camera	camera	NN
39142	1960	5	would	would	MD
39142	1960	6	be	be	VB
39142	1960	7	mounted	mount	VBN
39142	1960	8	on	on	IN
39142	1960	9	an	an	DT
39142	1960	10	aeroplane	aeroplane	NN
39142	1960	11	,	,	,
39142	1960	12	in	in	IN
39142	1960	13	which	which	WDT
39142	1960	14	the	the	DT
39142	1960	15	aviator	aviator	NN
39142	1960	16	would	would	MD
39142	1960	17	ascend	ascend	VB
39142	1960	18	to	to	IN
39142	1960	19	such	such	PDT
39142	1960	20	a	a	DT
39142	1960	21	height	height	NN
39142	1960	22	that	that	IN
39142	1960	23	the	the	DT
39142	1960	24	balloon	balloon	NN
39142	1960	25	just	just	RB
39142	1960	26	covered	cover	VBD
39142	1960	27	the	the	DT
39142	1960	28	sun	sun	NN
39142	1960	29	,	,	,
39142	1960	30	as	as	IN
39142	1960	31	the	the	DT
39142	1960	32	moon	moon	NN
39142	1960	33	does	do	VBZ
39142	1960	34	in	in	IN
39142	1960	35	a	a	DT
39142	1960	36	total	total	JJ
39142	1960	37	eclipse	eclipse	NN
39142	1960	38	.	.	.
39142	1961	1	With	with	IN
39142	1961	2	the	the	DT
39142	1961	3	center	center	NN
39142	1961	4	of	of	IN
39142	1961	5	the	the	DT
39142	1961	6	balloon	balloon	NN
39142	1961	7	in	in	IN
39142	1961	8	line	line	NN
39142	1961	9	with	with	IN
39142	1961	10	the	the	DT
39142	1961	11	sun	sun	NN
39142	1961	12	's	's	POS
39142	1961	13	center	center	NN
39142	1961	14	,	,	,
39142	1961	15	he	-PRON-	PRP
39142	1961	16	would	would	MD
39142	1961	17	photograph	photograph	VB
39142	1961	18	the	the	DT
39142	1961	19	regions	region	NNS
39142	1961	20	of	of	IN
39142	1961	21	the	the	DT
39142	1961	22	sky	sky	NN
39142	1961	23	immediately	immediately	RB
39142	1961	24	surrounding	surround	VBG
39142	1961	25	the	the	DT
39142	1961	26	sun	sun	NN
39142	1961	27	,	,	,
39142	1961	28	against	against	IN
39142	1961	29	which	which	WDT
39142	1961	30	the	the	DT
39142	1961	31	corona	corona	NN
39142	1961	32	is	be	VBZ
39142	1961	33	projected	project	VBN
39142	1961	34	.	.	.
39142	1962	1	As	as	IN
39142	1962	2	the	the	DT
39142	1962	3	entire	entire	JJ
39142	1962	4	apparatus	apparatus	NN
39142	1962	5	would	would	MD
39142	1962	6	be	be	VB
39142	1962	7	above	above	IN
39142	1962	8	more	more	JJR
39142	1962	9	than	than	IN
39142	1962	10	an	an	DT
39142	1962	11	entire	entire	JJ
39142	1962	12	half	half	NN
39142	1962	13	of	of	IN
39142	1962	14	the	the	DT
39142	1962	15	earth	earth	NN
39142	1962	16	's	's	POS
39142	1962	17	atmosphere	atmosphere	NN
39142	1962	18	,	,	,
39142	1962	19	the	the	DT
39142	1962	20	experiment	experiment	NN
39142	1962	21	would	would	MD
39142	1962	22	be	be	VB
39142	1962	23	well	well	RB
39142	1962	24	worth	worth	JJ
39142	1962	25	the	the	DT
39142	1962	26	attempt	attempt	NN
39142	1962	27	,	,	,
39142	1962	28	as	as	RB
39142	1962	29	pretty	pretty	RB
39142	1962	30	much	much	JJ
39142	1962	31	everything	everything	NN
39142	1962	32	else	else	RB
39142	1962	33	has	have	VBZ
39142	1962	34	been	be	VBN
39142	1962	35	tried	try	VBN
39142	1962	36	and	and	CC
39142	1962	37	found	find	VBN
39142	1962	38	wanting	want	VBG
39142	1962	39	.	.	.
39142	1963	1	Needless	needless	JJ
39142	1963	2	to	to	TO
39142	1963	3	say	say	VB
39142	1963	4	,	,	,
39142	1963	5	the	the	DT
39142	1963	6	importance	importance	NN
39142	1963	7	of	of	IN
39142	1963	8	seeing	see	VBG
39142	1963	9	the	the	DT
39142	1963	10	corona	corona	NN
39142	1963	11	at	at	IN
39142	1963	12	regular	regular	JJ
39142	1963	13	intervals	interval	NNS
39142	1963	14	whenever	whenever	WRB
39142	1963	15	desired	desire	VBN
39142	1963	16	,	,	,
39142	1963	17	without	without	IN
39142	1963	18	waiting	wait	VBG
39142	1963	19	for	for	IN
39142	1963	20	eclipses	eclipse	NNS
39142	1963	21	of	of	IN
39142	1963	22	the	the	DT
39142	1963	23	sun	sun	NN
39142	1963	24	,	,	,
39142	1963	25	remains	remain	VBZ
39142	1963	26	as	as	RB
39142	1963	27	insistent	insistent	JJ
39142	1963	28	as	as	IN
39142	1963	29	ever	ever	RB
39142	1963	30	.	.	.
39142	1964	1	CHAPTER	chapter	NN
39142	1964	2	XXXII	xxxii	NN
39142	1964	3	THE	the	DT
39142	1964	4	RUDDY	ruddy	NN
39142	1964	5	PLANET	PLANET	NNP
39142	1964	6	Mars	Mars	NNP
39142	1964	7	is	be	VBZ
39142	1964	8	a	a	DT
39142	1964	9	planet	planet	NN
39142	1964	10	next	next	JJ
39142	1964	11	in	in	IN
39142	1964	12	order	order	NN
39142	1964	13	beyond	beyond	IN
39142	1964	14	the	the	DT
39142	1964	15	earth	earth	NN
39142	1964	16	,	,	,
39142	1964	17	and	and	CC
39142	1964	18	its	-PRON-	PRP$
39142	1964	19	distance	distance	NN
39142	1964	20	from	from	IN
39142	1964	21	the	the	DT
39142	1964	22	sun	sun	NN
39142	1964	23	averages	averages	NNP
39142	1964	24	141	141	CD
39142	1964	25	-	-	SYM
39142	1964	26	1/2	1/2	CD
39142	1964	27	million	million	CD
39142	1964	28	miles	mile	NNS
39142	1964	29	.	.	.
39142	1965	1	It	-PRON-	PRP
39142	1965	2	has	have	VBZ
39142	1965	3	a	a	DT
39142	1965	4	relatively	relatively	RB
39142	1965	5	rapid	rapid	JJ
39142	1965	6	motion	motion	NN
39142	1965	7	among	among	IN
39142	1965	8	the	the	DT
39142	1965	9	stars	star	NNS
39142	1965	10	,	,	,
39142	1965	11	its	-PRON-	PRP$
39142	1965	12	color	color	NN
39142	1965	13	is	be	VBZ
39142	1965	14	reddish	reddish	JJ
39142	1965	15	,	,	,
39142	1965	16	and	and	CC
39142	1965	17	,	,	,
39142	1965	18	when	when	WRB
39142	1965	19	nearest	near	JJS
39142	1965	20	to	to	IN
39142	1965	21	us	-PRON-	PRP
39142	1965	22	,	,	,
39142	1965	23	it	-PRON-	PRP
39142	1965	24	is	be	VBZ
39142	1965	25	perhaps	perhaps	RB
39142	1965	26	the	the	DT
39142	1965	27	most	most	RBS
39142	1965	28	conspicuous	conspicuous	JJ
39142	1965	29	object	object	NN
39142	1965	30	in	in	IN
39142	1965	31	the	the	DT
39142	1965	32	sky	sky	NN
39142	1965	33	.	.	.
39142	1966	1	Mars	Mars	NNP
39142	1966	2	appeared	appear	VBD
39142	1966	3	to	to	IN
39142	1966	4	the	the	DT
39142	1966	5	ancients	ancient	NNS
39142	1966	6	just	just	RB
39142	1966	7	as	as	IN
39142	1966	8	it	-PRON-	PRP
39142	1966	9	does	do	VBZ
39142	1966	10	to	to	IN
39142	1966	11	us	-PRON-	PRP
39142	1966	12	to	to	NN
39142	1966	13	-	-	HYPH
39142	1966	14	day	day	NN
39142	1966	15	.	.	.
39142	1967	1	Aristotle	Aristotle	NNP
39142	1967	2	recorded	record	VBD
39142	1967	3	an	an	DT
39142	1967	4	observation	observation	NN
39142	1967	5	of	of	IN
39142	1967	6	Mars	Mars	NNP
39142	1967	7	,	,	,
39142	1967	8	356	356	CD
39142	1967	9	B.	B.	NNP
39142	1967	10	C.	C.	NNP
39142	1967	11	,	,	,
39142	1967	12	when	when	WRB
39142	1967	13	the	the	DT
39142	1967	14	moon	moon	NN
39142	1967	15	passed	pass	VBD
39142	1967	16	over	over	IN
39142	1967	17	the	the	DT
39142	1967	18	planet	planet	NN
39142	1967	19	,	,	,
39142	1967	20	or	or	CC
39142	1967	21	occulted	occult	VBD
39142	1967	22	it	-PRON-	PRP
39142	1967	23	,	,	,
39142	1967	24	as	as	IN
39142	1967	25	our	-PRON-	PRP$
39142	1967	26	expression	expression	NN
39142	1967	27	is	be	VBZ
39142	1967	28	.	.	.
39142	1968	1	Galileo	Galileo	NNP
39142	1968	2	made	make	VBD
39142	1968	3	the	the	DT
39142	1968	4	first	first	JJ
39142	1968	5	observations	observation	NNS
39142	1968	6	of	of	IN
39142	1968	7	Mars	Mars	NNP
39142	1968	8	with	with	IN
39142	1968	9	a	a	DT
39142	1968	10	telescope	telescope	NN
39142	1968	11	in	in	IN
39142	1968	12	1610	1610	CD
39142	1968	13	,	,	,
39142	1968	14	and	and	CC
39142	1968	15	his	-PRON-	PRP$
39142	1968	16	little	little	JJ
39142	1968	17	instrument	instrument	NN
39142	1968	18	was	be	VBD
39142	1968	19	powerful	powerful	JJ
39142	1968	20	enough	enough	RB
39142	1968	21	to	to	TO
39142	1968	22	enable	enable	VB
39142	1968	23	him	-PRON-	PRP
39142	1968	24	to	to	TO
39142	1968	25	discover	discover	VB
39142	1968	26	that	that	IN
39142	1968	27	the	the	DT
39142	1968	28	planet	planet	NN
39142	1968	29	had	have	VBD
39142	1968	30	phases	phase	NNS
39142	1968	31	,	,	,
39142	1968	32	though	though	IN
39142	1968	33	it	-PRON-	PRP
39142	1968	34	did	do	VBD
39142	1968	35	not	not	RB
39142	1968	36	pass	pass	VB
39142	1968	37	through	through	IN
39142	1968	38	all	all	PDT
39142	1968	39	the	the	DT
39142	1968	40	phases	phase	NNS
39142	1968	41	that	that	IN
39142	1968	42	Mercury	Mercury	NNP
39142	1968	43	and	and	CC
39142	1968	44	Venus	Venus	NNP
39142	1968	45	do	do	VBP
39142	1968	46	.	.	.
39142	1969	1	This	this	DT
39142	1969	2	was	be	VBD
39142	1969	3	obvious	obvious	JJ
39142	1969	4	from	from	IN
39142	1969	5	the	the	DT
39142	1969	6	fact	fact	NN
39142	1969	7	that	that	IN
39142	1969	8	Mars	Mars	NNP
39142	1969	9	is	be	VBZ
39142	1969	10	always	always	RB
39142	1969	11	at	at	IN
39142	1969	12	a	a	DT
39142	1969	13	greater	great	JJR
39142	1969	14	distance	distance	NN
39142	1969	15	from	from	IN
39142	1969	16	the	the	DT
39142	1969	17	sun	sun	NN
39142	1969	18	than	than	IN
39142	1969	19	we	-PRON-	PRP
39142	1969	20	are	be	VBP
39142	1969	21	,	,	,
39142	1969	22	and	and	CC
39142	1969	23	the	the	DT
39142	1969	24	phase	phase	NN
39142	1969	25	can	can	MD
39142	1969	26	only	only	RB
39142	1969	27	be	be	VB
39142	1969	28	gibbous	gibbous	JJ
39142	1969	29	,	,	,
39142	1969	30	or	or	CC
39142	1969	31	about	about	IN
39142	1969	32	like	like	UH
39142	1969	33	the	the	DT
39142	1969	34	moon	moon	NN
39142	1969	35	when	when	WRB
39142	1969	36	midway	midway	NNP
39142	1969	37	between	between	IN
39142	1969	38	full	full	JJ
39142	1969	39	and	and	CC
39142	1969	40	quarter	quarter	NN
39142	1969	41	.	.	.
39142	1970	1	Many	many	JJ
39142	1970	2	observers	observer	NNS
39142	1970	3	in	in	IN
39142	1970	4	the	the	DT
39142	1970	5	seventeenth	seventeenth	JJ
39142	1970	6	century	century	NN
39142	1970	7	followed	follow	VBD
39142	1970	8	up	up	RP
39142	1970	9	the	the	DT
39142	1970	10	planet	planet	NN
39142	1970	11	with	with	IN
39142	1970	12	such	such	JJ
39142	1970	13	feeble	feeble	JJ
39142	1970	14	optical	optical	JJ
39142	1970	15	power	power	NN
39142	1970	16	as	as	IN
39142	1970	17	the	the	DT
39142	1970	18	telescopes	telescope	NNS
39142	1970	19	of	of	IN
39142	1970	20	that	that	DT
39142	1970	21	epoch	epoch	NN
39142	1970	22	provided	provide	VBD
39142	1970	23	:	:	:
39142	1970	24	Fontana	Fontana	NNP
39142	1970	25	(	(	-LRB-
39142	1970	26	who	who	WP
39142	1970	27	made	make	VBD
39142	1970	28	the	the	DT
39142	1970	29	first	first	JJ
39142	1970	30	sketch	sketch	NN
39142	1970	31	)	)	-RRB-
39142	1970	32	,	,	,
39142	1970	33	Riccioli	Riccioli	NNP
39142	1970	34	and	and	CC
39142	1970	35	Bianchini	Bianchini	NNP
39142	1970	36	in	in	IN
39142	1970	37	Italy	Italy	NNP
39142	1970	38	,	,	,
39142	1970	39	Cassini	Cassini	NNP
39142	1970	40	in	in	IN
39142	1970	41	France	France	NNP
39142	1970	42	,	,	,
39142	1970	43	Huygens	Huygens	NNP
39142	1970	44	in	in	IN
39142	1970	45	Holland	Holland	NNP
39142	1970	46	,	,	,
39142	1970	47	and	and	CC
39142	1970	48	later	later	RB
39142	1970	49	Sir	Sir	NNP
39142	1970	50	William	William	NNP
39142	1970	51	Herschel	Herschel	NNP
39142	1970	52	in	in	IN
39142	1970	53	England	England	NNP
39142	1970	54	.	.	.
39142	1971	1	It	-PRON-	PRP
39142	1971	2	was	be	VBD
39142	1971	3	Cassini	Cassini	NNP
39142	1971	4	who	who	WP
39142	1971	5	first	first	RB
39142	1971	6	made	make	VBD
39142	1971	7	out	out	RP
39142	1971	8	the	the	DT
39142	1971	9	whitish	whitish	JJ
39142	1971	10	spots	spot	NNS
39142	1971	11	or	or	CC
39142	1971	12	polar	polar	JJ
39142	1971	13	caps	cap	NNS
39142	1971	14	of	of	IN
39142	1971	15	Mars	Mars	NNP
39142	1971	16	in	in	IN
39142	1971	17	1666	1666	CD
39142	1971	18	,	,	,
39142	1971	19	but	but	CC
39142	1971	20	not	not	RB
39142	1971	21	until	until	IN
39142	1971	22	after	after	IN
39142	1971	23	Huygens	Huygens	NNP
39142	1971	24	had	have	VBD
39142	1971	25	noted	note	VBN
39142	1971	26	the	the	DT
39142	1971	27	fact	fact	NN
39142	1971	28	that	that	IN
39142	1971	29	Mars	Mars	NNP
39142	1971	30	turned	turn	VBD
39142	1971	31	round	round	RB
39142	1971	32	on	on	IN
39142	1971	33	an	an	DT
39142	1971	34	axis	axis	NN
39142	1971	35	in	in	IN
39142	1971	36	a	a	DT
39142	1971	37	period	period	NN
39142	1971	38	but	but	CC
39142	1971	39	little	little	JJ
39142	1971	40	longer	long	JJR
39142	1971	41	than	than	IN
39142	1971	42	the	the	DT
39142	1971	43	earth	earth	NN
39142	1971	44	's	's	POS
39142	1971	45	.	.	.
39142	1972	1	Cassini	Cassini	NNP
39142	1972	2	followed	follow	VBD
39142	1972	3	it	-PRON-	PRP
39142	1972	4	up	up	RP
39142	1972	5	later	later	RB
39142	1972	6	with	with	IN
39142	1972	7	a	a	DT
39142	1972	8	more	more	RBR
39142	1972	9	accurate	accurate	JJ
39142	1972	10	value	value	NN
39142	1972	11	;	;	:
39142	1972	12	and	and	CC
39142	1972	13	observations	observation	NNS
39142	1972	14	in	in	IN
39142	1972	15	our	-PRON-	PRP$
39142	1972	16	own	own	JJ
39142	1972	17	day	day	NN
39142	1972	18	,	,	,
39142	1972	19	when	when	WRB
39142	1972	20	combined	combine	VBN
39142	1972	21	with	with	IN
39142	1972	22	these	these	DT
39142	1972	23	early	early	JJ
39142	1972	24	ones	one	NNS
39142	1972	25	,	,	,
39142	1972	26	enable	enable	VB
39142	1972	27	us	-PRON-	PRP
39142	1972	28	to	to	TO
39142	1972	29	say	say	VB
39142	1972	30	that	that	IN
39142	1972	31	the	the	DT
39142	1972	32	Martian	martian	JJ
39142	1972	33	day	day	NN
39142	1972	34	is	be	VBZ
39142	1972	35	equal	equal	JJ
39142	1972	36	to	to	IN
39142	1972	37	24	24	CD
39142	1972	38	hours	hour	NNS
39142	1972	39	37	37	CD
39142	1972	40	minutes	minute	NNS
39142	1972	41	22.67	22.67	CD
39142	1972	42	seconds	second	NNS
39142	1972	43	,	,	,
39142	1972	44	accurate	accurate	JJ
39142	1972	45	probably	probably	RB
39142	1972	46	to	to	IN
39142	1972	47	the	the	DT
39142	1972	48	hundredth	hundredth	JJ
39142	1972	49	part	part	NN
39142	1972	50	of	of	IN
39142	1972	51	a	a	DT
39142	1972	52	second	second	NN
39142	1972	53	.	.	.
39142	1973	1	When	when	WRB
39142	1973	2	we	-PRON-	PRP
39142	1973	3	know	know	VBP
39142	1973	4	that	that	IN
39142	1973	5	a	a	DT
39142	1973	6	planet	planet	NN
39142	1973	7	turns	turn	VBZ
39142	1973	8	round	round	NN
39142	1973	9	on	on	IN
39142	1973	10	an	an	DT
39142	1973	11	axis	axis	NN
39142	1973	12	,	,	,
39142	1973	13	we	-PRON-	PRP
39142	1973	14	know	know	VBP
39142	1973	15	that	that	IN
39142	1973	16	it	-PRON-	PRP
39142	1973	17	has	have	VBZ
39142	1973	18	a	a	DT
39142	1973	19	day	day	NN
39142	1973	20	.	.	.
39142	1974	1	When	when	WRB
39142	1974	2	we	-PRON-	PRP
39142	1974	3	know	know	VBP
39142	1974	4	the	the	DT
39142	1974	5	direction	direction	NN
39142	1974	6	of	of	IN
39142	1974	7	the	the	DT
39142	1974	8	axis	axis	NN
39142	1974	9	in	in	IN
39142	1974	10	space	space	NN
39142	1974	11	or	or	CC
39142	1974	12	in	in	IN
39142	1974	13	relation	relation	NN
39142	1974	14	to	to	IN
39142	1974	15	the	the	DT
39142	1974	16	plane	plane	NN
39142	1974	17	of	of	IN
39142	1974	18	its	-PRON-	PRP$
39142	1974	19	path	path	NN
39142	1974	20	round	round	IN
39142	1974	21	the	the	DT
39142	1974	22	sun	sun	NN
39142	1974	23	,	,	,
39142	1974	24	we	-PRON-	PRP
39142	1974	25	know	know	VBP
39142	1974	26	that	that	IN
39142	1974	27	it	-PRON-	PRP
39142	1974	28	has	have	VBZ
39142	1974	29	seasons	season	NNS
39142	1974	30	:	:	:
39142	1974	31	we	-PRON-	PRP
39142	1974	32	can	can	MD
39142	1974	33	tell	tell	VB
39142	1974	34	their	-PRON-	PRP$
39142	1974	35	length	length	NN
39142	1974	36	and	and	CC
39142	1974	37	when	when	WRB
39142	1974	38	they	-PRON-	PRP
39142	1974	39	begin	begin	VBP
39142	1974	40	and	and	CC
39142	1974	41	end	end	VB
39142	1974	42	.	.	.
39142	1975	1	It	-PRON-	PRP
39142	1975	2	did	do	VBD
39142	1975	3	not	not	RB
39142	1975	4	take	take	VB
39142	1975	5	many	many	JJ
39142	1975	6	years	year	NNS
39142	1975	7	of	of	IN
39142	1975	8	observation	observation	NN
39142	1975	9	to	to	TO
39142	1975	10	prove	prove	VB
39142	1975	11	that	that	IN
39142	1975	12	the	the	DT
39142	1975	13	axis	axis	JJ
39142	1975	14	round	round	NN
39142	1975	15	which	which	WDT
39142	1975	16	Mars	Mars	NNP
39142	1975	17	turns	turn	VBZ
39142	1975	18	is	be	VBZ
39142	1975	19	tilted	tilt	VBN
39142	1975	20	to	to	IN
39142	1975	21	the	the	DT
39142	1975	22	plane	plane	NN
39142	1975	23	of	of	IN
39142	1975	24	its	-PRON-	PRP$
39142	1975	25	path	path	NN
39142	1975	26	round	round	IN
39142	1975	27	the	the	DT
39142	1975	28	sun	sun	NN
39142	1975	29	by	by	IN
39142	1975	30	an	an	DT
39142	1975	31	angle	angle	NN
39142	1975	32	practically	practically	RB
39142	1975	33	the	the	DT
39142	1975	34	same	same	JJ
39142	1975	35	as	as	IN
39142	1975	36	that	that	DT
39142	1975	37	at	at	IN
39142	1975	38	which	which	WDT
39142	1975	39	the	the	DT
39142	1975	40	earth	earth	NN
39142	1975	41	's	's	POS
39142	1975	42	axis	axis	NN
39142	1975	43	is	be	VBZ
39142	1975	44	tilted	tilt	VBN
39142	1975	45	.	.	.
39142	1976	1	So	so	CC
39142	1976	2	there	there	EX
39142	1976	3	is	be	VBZ
39142	1976	4	the	the	DT
39142	1976	5	immediate	immediate	JJ
39142	1976	6	inference	inference	NN
39142	1976	7	that	that	IN
39142	1976	8	on	on	IN
39142	1976	9	Mars	Mars	NNP
39142	1976	10	the	the	DT
39142	1976	11	order	order	NN
39142	1976	12	and	and	CC
39142	1976	13	perhaps	perhaps	RB
39142	1976	14	the	the	DT
39142	1976	15	character	character	NN
39142	1976	16	of	of	IN
39142	1976	17	the	the	DT
39142	1976	18	seasons	season	NNS
39142	1976	19	is	be	VBZ
39142	1976	20	much	much	RB
39142	1976	21	the	the	DT
39142	1976	22	same	same	JJ
39142	1976	23	as	as	IN
39142	1976	24	here	here	RB
39142	1976	25	on	on	IN
39142	1976	26	the	the	DT
39142	1976	27	earth	earth	NN
39142	1976	28	.	.	.
39142	1977	1	At	at	RB
39142	1977	2	least	least	RBS
39142	1977	3	two	two	CD
39142	1977	4	things	thing	NNS
39142	1977	5	,	,	,
39142	1977	6	however	however	RB
39142	1977	7	,	,	,
39142	1977	8	tend	tend	VBP
39142	1977	9	to	to	TO
39142	1977	10	modify	modify	VB
39142	1977	11	them	-PRON-	PRP
39142	1977	12	.	.	.
39142	1978	1	First	first	RB
39142	1978	2	,	,	,
39142	1978	3	the	the	DT
39142	1978	4	year	year	NN
39142	1978	5	of	of	IN
39142	1978	6	Mars	Mars	NNP
39142	1978	7	is	be	VBZ
39142	1978	8	not	not	RB
39142	1978	9	365	365	CD
39142	1978	10	days	day	NNS
39142	1978	11	like	like	IN
39142	1978	12	ours	-PRON-	PRP
39142	1978	13	,	,	,
39142	1978	14	but	but	CC
39142	1978	15	687	687	CD
39142	1978	16	days	day	NNS
39142	1978	17	.	.	.
39142	1979	1	Each	each	DT
39142	1979	2	of	of	IN
39142	1979	3	the	the	DT
39142	1979	4	four	four	CD
39142	1979	5	seasons	season	NNS
39142	1979	6	on	on	IN
39142	1979	7	Mars	Mars	NNP
39142	1979	8	,	,	,
39142	1979	9	therefore	therefore	RB
39142	1979	10	,	,	,
39142	1979	11	is	be	VBZ
39142	1979	12	proportionally	proportionally	RB
39142	1979	13	longer	long	JJR
39142	1979	14	than	than	IN
39142	1979	15	our	-PRON-	PRP$
39142	1979	16	seasons	season	NNS
39142	1979	17	are	be	VBP
39142	1979	18	.	.	.
39142	1980	1	Then	then	RB
39142	1980	2	comes	come	VBZ
39142	1980	3	the	the	DT
39142	1980	4	question	question	NN
39142	1980	5	of	of	IN
39142	1980	6	atmosphere	atmosphere	NN
39142	1980	7	--	--	:
39142	1980	8	how	how	WRB
39142	1980	9	much	much	JJ
39142	1980	10	of	of	IN
39142	1980	11	an	an	DT
39142	1980	12	atmosphere	atmosphere	NN
39142	1980	13	does	do	VBZ
39142	1980	14	Mars	Mars	NNP
39142	1980	15	really	really	RB
39142	1980	16	possess	possess	VB
39142	1980	17	in	in	IN
39142	1980	18	proportion	proportion	NN
39142	1980	19	to	to	IN
39142	1980	20	ours	-PRON-	PRP
39142	1980	21	,	,	,
39142	1980	22	and	and	CC
39142	1980	23	how	how	WRB
39142	1980	24	would	would	MD
39142	1980	25	its	-PRON-	PRP$
39142	1980	26	lesser	less	JJR
39142	1980	27	amount	amount	NN
39142	1980	28	modify	modify	VB
39142	1980	29	the	the	DT
39142	1980	30	blending	blending	NN
39142	1980	31	of	of	IN
39142	1980	32	the	the	DT
39142	1980	33	seasons	season	NNS
39142	1980	34	into	into	IN
39142	1980	35	one	one	CD
39142	1980	36	another	another	DT
39142	1980	37	?	?	.
39142	1981	1	All	all	DT
39142	1981	2	discussion	discussion	NN
39142	1981	3	of	of	IN
39142	1981	4	Mars	Mars	NNP
39142	1981	5	and	and	CC
39142	1981	6	the	the	DT
39142	1981	7	problems	problem	NNS
39142	1981	8	of	of	IN
39142	1981	9	existence	existence	NN
39142	1981	10	of	of	IN
39142	1981	11	life	life	NN
39142	1981	12	upon	upon	IN
39142	1981	13	that	that	DT
39142	1981	14	planet	planet	NN
39142	1981	15	hinge	hinge	NN
39142	1981	16	upon	upon	IN
39142	1981	17	the	the	DT
39142	1981	18	character	character	NN
39142	1981	19	and	and	CC
39142	1981	20	extent	extent	NN
39142	1981	21	of	of	IN
39142	1981	22	Martian	martian	JJ
39142	1981	23	atmosphere	atmosphere	NN
39142	1981	24	.	.	.
39142	1982	1	The	the	DT
39142	1982	2	planet	planet	NN
39142	1982	3	seems	seem	VBZ
39142	1982	4	never	never	RB
39142	1982	5	to	to	TO
39142	1982	6	be	be	VB
39142	1982	7	covered	cover	VBN
39142	1982	8	,	,	,
39142	1982	9	as	as	IN
39142	1982	10	the	the	DT
39142	1982	11	earth	earth	NN
39142	1982	12	usually	usually	RB
39142	1982	13	is	be	VBZ
39142	1982	14	,	,	,
39142	1982	15	with	with	IN
39142	1982	16	extensive	extensive	JJ
39142	1982	17	areas	area	NNS
39142	1982	18	of	of	IN
39142	1982	19	cloud	cloud	NN
39142	1982	20	which	which	WDT
39142	1982	21	to	to	IN
39142	1982	22	an	an	DT
39142	1982	23	observer	observer	NN
39142	1982	24	in	in	IN
39142	1982	25	space	space	NN
39142	1982	26	would	would	MD
39142	1982	27	completely	completely	RB
39142	1982	28	mask	mask	VB
39142	1982	29	its	-PRON-	PRP$
39142	1982	30	oceans	ocean	NNS
39142	1982	31	and	and	CC
39142	1982	32	continents	continent	NNS
39142	1982	33	.	.	.
39142	1983	1	Nearly	nearly	RB
39142	1983	2	all	all	PDT
39142	1983	3	the	the	DT
39142	1983	4	time	time	NN
39142	1983	5	Mars	Mars	NNP
39142	1983	6	in	in	IN
39142	1983	7	his	-PRON-	PRP$
39142	1983	8	equatorial	equatorial	JJ
39142	1983	9	and	and	CC
39142	1983	10	temperate	temperate	NN
39142	1983	11	zones	zone	NNS
39142	1983	12	is	be	VBZ
39142	1983	13	quite	quite	RB
39142	1983	14	clear	clear	JJ
39142	1983	15	of	of	IN
39142	1983	16	clouds	cloud	NNS
39142	1983	17	.	.	.
39142	1984	1	A	a	DT
39142	1984	2	few	few	JJ
39142	1984	3	whitish	whitish	JJ
39142	1984	4	spots	spot	NNS
39142	1984	5	are	be	VBP
39142	1984	6	occasionally	occasionally	RB
39142	1984	7	seen	see	VBN
39142	1984	8	to	to	TO
39142	1984	9	change	change	VB
39142	1984	10	their	-PRON-	PRP$
39142	1984	11	form	form	NN
39142	1984	12	and	and	CC
39142	1984	13	position	position	NN
39142	1984	14	in	in	IN
39142	1984	15	both	both	CC
39142	1984	16	northern	northern	JJ
39142	1984	17	and	and	CC
39142	1984	18	southern	southern	JJ
39142	1984	19	latitudes	latitude	NNS
39142	1984	20	,	,	,
39142	1984	21	and	and	CC
39142	1984	22	they	-PRON-	PRP
39142	1984	23	vary	vary	VBP
39142	1984	24	with	with	IN
39142	1984	25	the	the	DT
39142	1984	26	progress	progress	NN
39142	1984	27	of	of	IN
39142	1984	28	the	the	DT
39142	1984	29	day	day	NN
39142	1984	30	on	on	IN
39142	1984	31	Mars	Mars	NNP
39142	1984	32	,	,	,
39142	1984	33	as	as	IN
39142	1984	34	clouds	cloud	NNS
39142	1984	35	naturally	naturally	RB
39142	1984	36	would	would	MD
39142	1984	37	.	.	.
39142	1985	1	But	but	CC
39142	1985	2	Schiaparelli	Schiaparelli	NNP
39142	1985	3	,	,	,
39142	1985	4	perhaps	perhaps	RB
39142	1985	5	the	the	DT
39142	1985	6	best	good	JJS
39142	1985	7	of	of	IN
39142	1985	8	all	all	DT
39142	1985	9	observers	observer	NNS
39142	1985	10	,	,	,
39142	1985	11	thought	think	VBD
39142	1985	12	them	-PRON-	PRP
39142	1985	13	to	to	TO
39142	1985	14	be	be	VB
39142	1985	15	not	not	RB
39142	1985	16	low	low	RB
39142	1985	17	-	-	HYPH
39142	1985	18	lying	lie	VBG
39142	1985	19	clouds	cloud	NNS
39142	1985	20	of	of	IN
39142	1985	21	the	the	DT
39142	1985	22	nimbus	nimbus	NN
39142	1985	23	type	type	NN
39142	1985	24	that	that	WDT
39142	1985	25	would	would	MD
39142	1985	26	produce	produce	VB
39142	1985	27	rains	rain	NNS
39142	1985	28	,	,	,
39142	1985	29	but	but	CC
39142	1985	30	rather	rather	RB
39142	1985	31	a	a	DT
39142	1985	32	veil	veil	NN
39142	1985	33	of	of	IN
39142	1985	34	fog	fog	NN
39142	1985	35	,	,	,
39142	1985	36	or	or	CC
39142	1985	37	perhaps	perhaps	RB
39142	1985	38	a	a	DT
39142	1985	39	temporary	temporary	JJ
39142	1985	40	condensation	condensation	NN
39142	1985	41	of	of	IN
39142	1985	42	vapor	vapor	NN
39142	1985	43	,	,	,
39142	1985	44	as	as	IN
39142	1985	45	dew	dew	NN
39142	1985	46	or	or	CC
39142	1985	47	hoar	hoar	VB
39142	1985	48	frost	frost	NN
39142	1985	49	.	.	.
39142	1986	1	But	but	CC
39142	1986	2	the	the	DT
39142	1986	3	strongest	strong	JJS
39142	1986	4	argument	argument	NN
39142	1986	5	for	for	IN
39142	1986	6	an	an	DT
39142	1986	7	atmosphere	atmosphere	NN
39142	1986	8	is	be	VBZ
39142	1986	9	based	base	VBN
39142	1986	10	on	on	IN
39142	1986	11	the	the	DT
39142	1986	12	temporary	temporary	JJ
39142	1986	13	darkening	darkening	NN
39142	1986	14	or	or	CC
39142	1986	15	obscuration	obscuration	NN
39142	1986	16	of	of	IN
39142	1986	17	well	well	RB
39142	1986	18	known	known	JJ
39142	1986	19	and	and	CC
39142	1986	20	permanent	permanent	JJ
39142	1986	21	markings	marking	NNS
39142	1986	22	on	on	IN
39142	1986	23	the	the	DT
39142	1986	24	surface	surface	NN
39142	1986	25	of	of	IN
39142	1986	26	Mars	Mars	NNP
39142	1986	27	.	.	.
39142	1987	1	These	these	DT
39142	1987	2	are	be	VBP
39142	1987	3	more	more	RBR
39142	1987	4	or	or	CC
39142	1987	5	less	less	RBR
39142	1987	6	frequently	frequently	RB
39142	1987	7	observed	observe	VBN
39142	1987	8	and	and	CC
39142	1987	9	clouds	cloud	NNS
39142	1987	10	afford	afford	VBP
39142	1987	11	the	the	DT
39142	1987	12	best	good	JJS
39142	1987	13	explanation	explanation	NN
39142	1987	14	of	of	IN
39142	1987	15	their	-PRON-	PRP$
39142	1987	16	occurrence	occurrence	NN
39142	1987	17	.	.	.
39142	1988	1	So	so	RB
39142	1988	2	much	much	JJ
39142	1988	3	for	for	IN
39142	1988	4	evidence	evidence	NN
39142	1988	5	supplied	supply	VBN
39142	1988	6	by	by	IN
39142	1988	7	the	the	DT
39142	1988	8	telescope	telescope	NN
39142	1988	9	alone	alone	RB
39142	1988	10	.	.	.
39142	1989	1	When	when	WRB
39142	1989	2	,	,	,
39142	1989	3	however	however	RB
39142	1989	4	,	,	,
39142	1989	5	we	-PRON-	PRP
39142	1989	6	employ	employ	VBP
39142	1989	7	the	the	DT
39142	1989	8	spectroscope	spectroscope	NN
39142	1989	9	in	in	IN
39142	1989	10	conjunction	conjunction	NN
39142	1989	11	with	with	IN
39142	1989	12	the	the	DT
39142	1989	13	telescope	telescope	NN
39142	1989	14	,	,	,
39142	1989	15	another	another	DT
39142	1989	16	sort	sort	NN
39142	1989	17	of	of	IN
39142	1989	18	evidence	evidence	NN
39142	1989	19	is	be	VBZ
39142	1989	20	at	at	IN
39142	1989	21	hand	hand	NN
39142	1989	22	.	.	.
39142	1990	1	Several	several	JJ
39142	1990	2	astronomers	astronomer	NNS
39142	1990	3	have	have	VBP
39142	1990	4	reached	reach	VBN
39142	1990	5	the	the	DT
39142	1990	6	conclusion	conclusion	NN
39142	1990	7	that	that	IN
39142	1990	8	watery	watery	JJ
39142	1990	9	vapor	vapor	NN
39142	1990	10	exists	exist	VBZ
39142	1990	11	in	in	IN
39142	1990	12	the	the	DT
39142	1990	13	atmosphere	atmosphere	NN
39142	1990	14	of	of	IN
39142	1990	15	Mars	Mars	NNP
39142	1990	16	,	,	,
39142	1990	17	while	while	IN
39142	1990	18	other	other	JJ
39142	1990	19	astronomers	astronomer	NNS
39142	1990	20	equipped	equip	VBN
39142	1990	21	with	with	IN
39142	1990	22	equal	equal	JJ
39142	1990	23	or	or	CC
39142	1990	24	superior	superior	JJ
39142	1990	25	apparatus	apparatus	NN
39142	1990	26	,	,	,
39142	1990	27	and	and	CC
39142	1990	28	under	under	IN
39142	1990	29	equally	equally	RB
39142	1990	30	favorable	favorable	JJ
39142	1990	31	or	or	CC
39142	1990	32	even	even	RB
39142	1990	33	better	well	JJR
39142	1990	34	conditions	condition	NNS
39142	1990	35	,	,	,
39142	1990	36	have	have	VBP
39142	1990	37	reached	reach	VBN
39142	1990	38	the	the	DT
39142	1990	39	remarkable	remarkable	JJ
39142	1990	40	conclusion	conclusion	NN
39142	1990	41	that	that	IN
39142	1990	42	the	the	DT
39142	1990	43	spectra	spectra	NN
39142	1990	44	of	of	IN
39142	1990	45	Mars	Mars	NNP
39142	1990	46	and	and	CC
39142	1990	47	the	the	DT
39142	1990	48	moon	moon	NN
39142	1990	49	are	be	VBP
39142	1990	50	identical	identical	JJ
39142	1990	51	in	in	IN
39142	1990	52	every	every	DT
39142	1990	53	particular	particular	NN
39142	1990	54	.	.	.
39142	1991	1	From	from	IN
39142	1991	2	this	this	DT
39142	1991	3	we	-PRON-	PRP
39142	1991	4	should	should	MD
39142	1991	5	be	be	VB
39142	1991	6	led	lead	VBN
39142	1991	7	to	to	TO
39142	1991	8	infer	infer	VB
39142	1991	9	that	that	IN
39142	1991	10	Mars	Mars	NNP
39142	1991	11	has	have	VBZ
39142	1991	12	perhaps	perhaps	RB
39142	1991	13	no	no	DT
39142	1991	14	more	more	JJR
39142	1991	15	atmosphere	atmosphere	NN
39142	1991	16	than	than	IN
39142	1991	17	the	the	DT
39142	1991	18	moon	moon	NN
39142	1991	19	has	have	VBZ
39142	1991	20	,	,	,
39142	1991	21	that	that	DT
39142	1991	22	is	be	VBZ
39142	1991	23	to	to	TO
39142	1991	24	say	say	VB
39142	1991	25	,	,	,
39142	1991	26	none	none	NN
39142	1991	27	whatever	whatever	WDT
39142	1991	28	that	that	IN
39142	1991	29	present	present	JJ
39142	1991	30	instruments	instrument	NNS
39142	1991	31	and	and	CC
39142	1991	32	methods	method	NNS
39142	1991	33	of	of	IN
39142	1991	34	investigation	investigation	NN
39142	1991	35	have	have	VBP
39142	1991	36	enabled	enable	VBN
39142	1991	37	us	-PRON-	PRP
39142	1991	38	to	to	TO
39142	1991	39	detect	detect	VB
39142	1991	40	.	.	.
39142	1992	1	What	what	WP
39142	1992	2	then	then	RB
39142	1992	3	,	,	,
39142	1992	4	shall	shall	MD
39142	1992	5	we	-PRON-	PRP
39142	1992	6	conclude	conclude	VB
39142	1992	7	?	?	.
39142	1993	1	Simply	simply	RB
39142	1993	2	that	that	IN
39142	1993	3	the	the	DT
39142	1993	4	atmosphere	atmosphere	NN
39142	1993	5	of	of	IN
39142	1993	6	Mars	Mars	NNP
39142	1993	7	is	be	VBZ
39142	1993	8	neither	neither	CC
39142	1993	9	very	very	RB
39142	1993	10	dense	dense	JJ
39142	1993	11	nor	nor	CC
39142	1993	12	extensive	extensive	JJ
39142	1993	13	.	.	.
39142	1994	1	Probably	probably	RB
39142	1994	2	its	-PRON-	PRP$
39142	1994	3	lower	low	JJR
39142	1994	4	strata	strata	NN
39142	1994	5	close	close	RB
39142	1994	6	to	to	IN
39142	1994	7	the	the	DT
39142	1994	8	planet	planet	NN
39142	1994	9	's	's	POS
39142	1994	10	surface	surface	NN
39142	1994	11	are	be	VBP
39142	1994	12	about	about	RB
39142	1994	13	as	as	RB
39142	1994	14	dense	dense	JJ
39142	1994	15	as	as	IN
39142	1994	16	the	the	DT
39142	1994	17	earth	earth	NN
39142	1994	18	's	's	POS
39142	1994	19	atmosphere	atmosphere	NN
39142	1994	20	is	be	VBZ
39142	1994	21	at	at	IN
39142	1994	22	the	the	DT
39142	1994	23	summits	summit	NNS
39142	1994	24	of	of	IN
39142	1994	25	our	-PRON-	PRP$
39142	1994	26	highest	high	JJS
39142	1994	27	mountains	mountain	NNS
39142	1994	28	.	.	.
39142	1995	1	This	this	DT
39142	1995	2	conclusion	conclusion	NN
39142	1995	3	is	be	VBZ
39142	1995	4	not	not	RB
39142	1995	5	unwelcome	unwelcome	JJ
39142	1995	6	,	,	,
39142	1995	7	if	if	IN
39142	1995	8	we	-PRON-	PRP
39142	1995	9	keep	keep	VBP
39142	1995	10	a	a	DT
39142	1995	11	few	few	JJ
39142	1995	12	fundamental	fundamental	JJ
39142	1995	13	facts	fact	NNS
39142	1995	14	in	in	IN
39142	1995	15	clear	clear	JJ
39142	1995	16	and	and	CC
39142	1995	17	constant	constant	JJ
39142	1995	18	view	view	NN
39142	1995	19	.	.	.
39142	1996	1	Mars	Mars	NNP
39142	1996	2	is	be	VBZ
39142	1996	3	a	a	DT
39142	1996	4	planet	planet	NN
39142	1996	5	of	of	IN
39142	1996	6	intermediate	intermediate	JJ
39142	1996	7	size	size	NN
39142	1996	8	between	between	IN
39142	1996	9	the	the	DT
39142	1996	10	earth	earth	NN
39142	1996	11	and	and	CC
39142	1996	12	the	the	DT
39142	1996	13	moon	moon	NN
39142	1996	14	:	:	:
39142	1996	15	twice	twice	PDT
39142	1996	16	the	the	DT
39142	1996	17	moon	moon	NN
39142	1996	18	's	's	POS
39142	1996	19	diameter	diameter	NN
39142	1996	20	(	(	-LRB-
39142	1996	21	2,160	2,160	CD
39142	1996	22	miles	mile	NNS
39142	1996	23	)	)	-RRB-
39142	1996	24	very	very	RB
39142	1996	25	nearly	nearly	RB
39142	1996	26	equals	equal	VBZ
39142	1996	27	the	the	DT
39142	1996	28	diameter	diameter	NN
39142	1996	29	of	of	IN
39142	1996	30	Mars	Mars	NNP
39142	1996	31	(	(	-LRB-
39142	1996	32	4,200	4,200	CD
39142	1996	33	miles	mile	NNS
39142	1996	34	)	)	-RRB-
39142	1996	35	,	,	,
39142	1996	36	and	and	CC
39142	1996	37	twice	twice	PDT
39142	1996	38	the	the	DT
39142	1996	39	diameter	diameter	NN
39142	1996	40	of	of	IN
39142	1996	41	Mars	Mars	NNP
39142	1996	42	does	do	VBZ
39142	1996	43	not	not	RB
39142	1996	44	greatly	greatly	RB
39142	1996	45	exceed	exceed	VB
39142	1996	46	the	the	DT
39142	1996	47	earth	earth	NN
39142	1996	48	's	's	POS
39142	1996	49	diameter	diameter	NN
39142	1996	50	(	(	-LRB-
39142	1996	51	7,920	7,920	CD
39142	1996	52	miles	mile	NNS
39142	1996	53	)	)	-RRB-
39142	1996	54	.	.	.
39142	1997	1	As	as	IN
39142	1997	2	to	to	IN
39142	1997	3	the	the	DT
39142	1997	4	weights	weight	NNS
39142	1997	5	or	or	CC
39142	1997	6	masses	masse	NNS
39142	1997	7	of	of	IN
39142	1997	8	these	these	DT
39142	1997	9	bodies	body	NNS
39142	1997	10	,	,	,
39142	1997	11	Mars	Mars	NNP
39142	1997	12	is	be	VBZ
39142	1997	13	about	about	RB
39142	1997	14	one	one	CD
39142	1997	15	-	-	HYPH
39142	1997	16	ninth	ninth	JJ
39142	1997	17	,	,	,
39142	1997	18	and	and	CC
39142	1997	19	the	the	DT
39142	1997	20	moon	moon	NNP
39142	1997	21	one	one	CD
39142	1997	22	-	-	HYPH
39142	1997	23	eightieth	eightieth	NNS
39142	1997	24	of	of	IN
39142	1997	25	the	the	DT
39142	1997	26	earth	earth	NN
39142	1997	27	.	.	.
39142	1998	1	The	the	DT
39142	1998	2	atmospheric	atmospheric	JJ
39142	1998	3	envelope	envelope	NN
39142	1998	4	of	of	IN
39142	1998	5	the	the	DT
39142	1998	6	earth	earth	NN
39142	1998	7	is	be	VBZ
39142	1998	8	abundant	abundant	JJ
39142	1998	9	,	,	,
39142	1998	10	the	the	DT
39142	1998	11	moon	moon	NN
39142	1998	12	has	have	VBZ
39142	1998	13	none	none	NN
39142	1998	14	as	as	RB
39142	1998	15	far	far	RB
39142	1998	16	as	as	IN
39142	1998	17	we	-PRON-	PRP
39142	1998	18	can	can	MD
39142	1998	19	ascertain	ascertain	VB
39142	1998	20	;	;	:
39142	1998	21	so	so	CC
39142	1998	22	it	-PRON-	PRP
39142	1998	23	seems	seem	VBZ
39142	1998	24	safe	safe	JJ
39142	1998	25	to	to	TO
39142	1998	26	infer	infer	VB
39142	1998	27	that	that	IN
39142	1998	28	Mars	Mars	NNP
39142	1998	29	has	have	VBZ
39142	1998	30	an	an	DT
39142	1998	31	atmosphere	atmosphere	NN
39142	1998	32	of	of	IN
39142	1998	33	slight	slight	JJ
39142	1998	34	density	density	NN
39142	1998	35	:	:	:
39142	1998	36	not	not	RB
39142	1998	37	dense	dense	JJ
39142	1998	38	enough	enough	RB
39142	1998	39	to	to	TO
39142	1998	40	be	be	VB
39142	1998	41	detected	detect	VBN
39142	1998	42	by	by	IN
39142	1998	43	spectroscopic	spectroscopic	JJ
39142	1998	44	methods	method	NNS
39142	1998	45	,	,	,
39142	1998	46	but	but	CC
39142	1998	47	yet	yet	RB
39142	1998	48	dense	dense	JJ
39142	1998	49	enough	enough	RB
39142	1998	50	to	to	TO
39142	1998	51	enable	enable	VB
39142	1998	52	us	-PRON-	PRP
39142	1998	53	to	to	TO
39142	1998	54	explain	explain	VB
39142	1998	55	the	the	DT
39142	1998	56	varying	vary	VBG
39142	1998	57	telescopic	telescopic	JJ
39142	1998	58	phenomena	phenomenon	NNS
39142	1998	59	of	of	IN
39142	1998	60	the	the	DT
39142	1998	61	planet	planet	NN
39142	1998	62	's	's	POS
39142	1998	63	disk	disk	NN
39142	1998	64	which	which	WDT
39142	1998	65	we	-PRON-	PRP
39142	1998	66	should	should	MD
39142	1998	67	not	not	RB
39142	1998	68	know	know	VB
39142	1998	69	how	how	WRB
39142	1998	70	to	to	TO
39142	1998	71	account	account	VB
39142	1998	72	for	for	IN
39142	1998	73	,	,	,
39142	1998	74	if	if	IN
39142	1998	75	there	there	EX
39142	1998	76	were	be	VBD
39142	1998	77	no	no	DT
39142	1998	78	atmosphere	atmosphere	NN
39142	1998	79	whatever	whatever	WDT
39142	1998	80	.	.	.
39142	1999	1	One	one	CD
39142	1999	2	astronomer	astronomer	NN
39142	1999	3	has	have	VBZ
39142	1999	4	,	,	,
39142	1999	5	indeed	indeed	RB
39142	1999	6	,	,	,
39142	1999	7	gone	go	VBN
39142	1999	8	so	so	RB
39142	1999	9	far	far	RB
39142	1999	10	as	as	IN
39142	1999	11	to	to	TO
39142	1999	12	calculate	calculate	VB
39142	1999	13	that	that	IN
39142	1999	14	in	in	IN
39142	1999	15	comparison	comparison	NN
39142	1999	16	with	with	IN
39142	1999	17	our	-PRON-	PRP$
39142	1999	18	planet	planet	NN
39142	1999	19	Mars	Mars	NNP
39142	1999	20	is	be	VBZ
39142	1999	21	entitled	entitle	VBN
39142	1999	22	to	to	IN
39142	1999	23	one	one	CD
39142	1999	24	-	-	HYPH
39142	1999	25	twentieth	twentieth	NN
39142	1999	26	as	as	RB
39142	1999	27	much	much	JJ
39142	1999	28	atmosphere	atmosphere	NN
39142	1999	29	as	as	IN
39142	1999	30	we	-PRON-	PRP
39142	1999	31	have	have	VBP
39142	1999	32	,	,	,
39142	1999	33	and	and	CC
39142	1999	34	that	that	IN
39142	1999	35	the	the	DT
39142	1999	36	mercurial	mercurial	JJ
39142	1999	37	barometer	barometer	NN
39142	1999	38	at	at	IN
39142	1999	39	"	"	``
39142	1999	40	sea	sea	NN
39142	1999	41	level	level	NN
39142	1999	42	"	"	''
39142	1999	43	would	would	MD
39142	1999	44	run	run	VB
39142	1999	45	about	about	RB
39142	1999	46	five	five	CD
39142	1999	47	and	and	CC
39142	1999	48	a	a	DT
39142	1999	49	half	half	NN
39142	1999	50	inches	inch	NNS
39142	1999	51	,	,	,
39142	1999	52	as	as	IN
39142	1999	53	against	against	IN
39142	1999	54	thirty	thirty	CD
39142	1999	55	inches	inch	NNS
39142	1999	56	on	on	IN
39142	1999	57	the	the	DT
39142	1999	58	earth	earth	NN
39142	1999	59	.	.	.
39142	2000	1	In	in	IN
39142	2000	2	general	general	JJ
39142	2000	3	,	,	,
39142	2000	4	then	then	RB
39142	2000	5	,	,	,
39142	2000	6	the	the	DT
39142	2000	7	climate	climate	NN
39142	2000	8	of	of	IN
39142	2000	9	Mars	Mars	NNP
39142	2000	10	is	be	VBZ
39142	2000	11	probably	probably	RB
39142	2000	12	very	very	RB
39142	2000	13	much	much	RB
39142	2000	14	like	like	IN
39142	2000	15	that	that	DT
39142	2000	16	of	of	IN
39142	2000	17	a	a	DT
39142	2000	18	clear	clear	JJ
39142	2000	19	season	season	NN
39142	2000	20	on	on	IN
39142	2000	21	a	a	DT
39142	2000	22	very	very	RB
39142	2000	23	high	high	JJ
39142	2000	24	terrestrial	terrestrial	JJ
39142	2000	25	table	table	NN
39142	2000	26	land	land	NN
39142	2000	27	or	or	CC
39142	2000	28	mountain	mountain	NN
39142	2000	29	--	--	:
39142	2000	30	a	a	DT
39142	2000	31	climate	climate	NN
39142	2000	32	of	of	IN
39142	2000	33	wide	wide	JJ
39142	2000	34	extremes	extreme	NNS
39142	2000	35	,	,	,
39142	2000	36	with	with	IN
39142	2000	37	great	great	JJ
39142	2000	38	changes	change	NNS
39142	2000	39	of	of	IN
39142	2000	40	temperature	temperature	NN
39142	2000	41	from	from	IN
39142	2000	42	day	day	NN
39142	2000	43	to	to	IN
39142	2000	44	night	night	NN
39142	2000	45	.	.	.
39142	2001	1	The	the	DT
39142	2001	2	inequality	inequality	NN
39142	2001	3	of	of	IN
39142	2001	4	Martian	martian	JJ
39142	2001	5	seasons	season	NNS
39142	2001	6	is	be	VBZ
39142	2001	7	such	such	JJ
39142	2001	8	that	that	IN
39142	2001	9	in	in	IN
39142	2001	10	his	-PRON-	PRP$
39142	2001	11	northern	northern	JJ
39142	2001	12	hemisphere	hemisphere	NN
39142	2001	13	the	the	DT
39142	2001	14	winter	winter	NN
39142	2001	15	lasts	last	VBZ
39142	2001	16	381	381	CD
39142	2001	17	days	day	NNS
39142	2001	18	and	and	CC
39142	2001	19	the	the	DT
39142	2001	20	summer	summer	NN
39142	2001	21	only	only	RB
39142	2001	22	306	306	CD
39142	2001	23	days	day	NNS
39142	2001	24	.	.	.
39142	2002	1	Now	now	RB
39142	2002	2	,	,	,
39142	2002	3	the	the	DT
39142	2002	4	polar	polar	JJ
39142	2002	5	caps	cap	NNS
39142	2002	6	of	of	IN
39142	2002	7	Mars	Mars	NNP
39142	2002	8	,	,	,
39142	2002	9	which	which	WDT
39142	2002	10	are	be	VBP
39142	2002	11	reasonably	reasonably	RB
39142	2002	12	assumed	assume	VBN
39142	2002	13	to	to	TO
39142	2002	14	be	be	VB
39142	2002	15	due	due	JJ
39142	2002	16	to	to	IN
39142	2002	17	snow	snow	NN
39142	2002	18	or	or	CC
39142	2002	19	hoar	hoar	VB
39142	2002	20	frost	frost	NN
39142	2002	21	,	,	,
39142	2002	22	attain	attain	VB
39142	2002	23	their	-PRON-	PRP$
39142	2002	24	maximum	maximum	JJ
39142	2002	25	three	three	CD
39142	2002	26	or	or	CC
39142	2002	27	four	four	CD
39142	2002	28	months	month	NNS
39142	2002	29	after	after	IN
39142	2002	30	the	the	DT
39142	2002	31	winter	winter	NN
39142	2002	32	solstice	solstice	NN
39142	2002	33	,	,	,
39142	2002	34	and	and	CC
39142	2002	35	their	-PRON-	PRP$
39142	2002	36	minimum	minimum	NN
39142	2002	37	about	about	IN
39142	2002	38	the	the	DT
39142	2002	39	same	same	JJ
39142	2002	40	length	length	NN
39142	2002	41	of	of	IN
39142	2002	42	time	time	NN
39142	2002	43	after	after	IN
39142	2002	44	the	the	DT
39142	2002	45	summer	summer	NN
39142	2002	46	solstice	solstice	NN
39142	2002	47	.	.	.
39142	2003	1	This	this	DT
39142	2003	2	lagging	lagging	NN
39142	2003	3	should	should	MD
39142	2003	4	be	be	VB
39142	2003	5	interpreted	interpret	VBN
39142	2003	6	as	as	IN
39142	2003	7	an	an	DT
39142	2003	8	argument	argument	NN
39142	2003	9	for	for	IN
39142	2003	10	a	a	DT
39142	2003	11	Martian	martian	JJ
39142	2003	12	atmosphere	atmosphere	NN
39142	2003	13	with	with	IN
39142	2003	14	heat	heat	NN
39142	2003	15	-	-	HYPH
39142	2003	16	storing	store	VBG
39142	2003	17	qualities	quality	NNS
39142	2003	18	,	,	,
39142	2003	19	similar	similar	JJ
39142	2003	20	to	to	IN
39142	2003	21	that	that	DT
39142	2003	22	possessed	possess	VBN
39142	2003	23	by	by	IN
39142	2003	24	the	the	DT
39142	2003	25	earth	earth	NN
39142	2003	26	.	.	.
39142	2004	1	Upon	upon	IN
39142	2004	2	this	this	DT
39142	2004	3	characteristic	characteristic	NN
39142	2004	4	,	,	,
39142	2004	5	indeed	indeed	RB
39142	2004	6	,	,	,
39142	2004	7	depends	depend	VBZ
39142	2004	8	the	the	DT
39142	2004	9	climate	climate	NN
39142	2004	10	at	at	IN
39142	2004	11	the	the	DT
39142	2004	12	surface	surface	NN
39142	2004	13	of	of	IN
39142	2004	14	Mars	Mars	NNP
39142	2004	15	:	:	:
39142	2004	16	whether	whether	IN
39142	2004	17	it	-PRON-	PRP
39142	2004	18	is	be	VBZ
39142	2004	19	at	at	RB
39142	2004	20	all	all	RB
39142	2004	21	similar	similar	JJ
39142	2004	22	to	to	IN
39142	2004	23	our	-PRON-	PRP$
39142	2004	24	own	own	JJ
39142	2004	25	,	,	,
39142	2004	26	and	and	CC
39142	2004	27	whether	whether	IN
39142	2004	28	fluid	fluid	JJ
39142	2004	29	water	water	NN
39142	2004	30	is	be	VBZ
39142	2004	31	a	a	DT
39142	2004	32	possibility	possibility	NN
39142	2004	33	on	on	IN
39142	2004	34	Mars	Mars	NNP
39142	2004	35	or	or	CC
39142	2004	36	not	not	RB
39142	2004	37	.	.	.
39142	2005	1	While	while	IN
39142	2005	2	the	the	DT
39142	2005	3	cosmic	cosmic	JJ
39142	2005	4	relations	relation	NNS
39142	2005	5	of	of	IN
39142	2005	6	the	the	DT
39142	2005	7	planet	planet	NN
39142	2005	8	in	in	IN
39142	2005	9	its	-PRON-	PRP$
39142	2005	10	orbit	orbit	NN
39142	2005	11	are	be	VBP
39142	2005	12	quite	quite	PDT
39142	2005	13	the	the	DT
39142	2005	14	same	same	JJ
39142	2005	15	as	as	IN
39142	2005	16	ours	our	NNS
39142	2005	17	,	,	,
39142	2005	18	nevertheless	nevertheless	RB
39142	2005	19	the	the	DT
39142	2005	20	greater	great	JJR
39142	2005	21	distance	distance	NN
39142	2005	22	of	of	IN
39142	2005	23	Mars	Mars	NNP
39142	2005	24	diminishes	diminish	VBZ
39142	2005	25	his	-PRON-	PRP$
39142	2005	26	supply	supply	NN
39142	2005	27	of	of	IN
39142	2005	28	direct	direct	JJ
39142	2005	29	solar	solar	JJ
39142	2005	30	heat	heat	NN
39142	2005	31	to	to	IN
39142	2005	32	about	about	IN
39142	2005	33	half	half	NN
39142	2005	34	what	what	WP
39142	2005	35	we	-PRON-	PRP
39142	2005	36	receive	receive	VBP
39142	2005	37	.	.	.
39142	2006	1	On	on	IN
39142	2006	2	the	the	DT
39142	2006	3	other	other	JJ
39142	2006	4	hand	hand	NN
39142	2006	5	,	,	,
39142	2006	6	his	-PRON-	PRP$
39142	2006	7	distance	distance	NN
39142	2006	8	from	from	IN
39142	2006	9	the	the	DT
39142	2006	10	sun	sun	NN
39142	2006	11	during	during	IN
39142	2006	12	his	-PRON-	PRP$
39142	2006	13	year	year	NN
39142	2006	14	of	of	IN
39142	2006	15	motion	motion	NN
39142	2006	16	around	around	IN
39142	2006	17	it	-PRON-	PRP
39142	2006	18	varies	vary	VBZ
39142	2006	19	much	much	RB
39142	2006	20	more	more	RBR
39142	2006	21	widely	widely	RB
39142	2006	22	than	than	IN
39142	2006	23	ours	-PRON-	PRP
39142	2006	24	,	,	,
39142	2006	25	so	so	IN
39142	2006	26	that	that	IN
39142	2006	27	he	-PRON-	PRP
39142	2006	28	receives	receive	VBZ
39142	2006	29	when	when	WRB
39142	2006	30	nearest	near	JJS
39142	2006	31	the	the	DT
39142	2006	32	sun	sun	NN
39142	2006	33	about	about	RB
39142	2006	34	one	one	CD
39142	2006	35	-	-	HYPH
39142	2006	36	half	half	NN
39142	2006	37	more	more	JJR
39142	2006	38	of	of	IN
39142	2006	39	solar	solar	JJ
39142	2006	40	heat	heat	NN
39142	2006	41	than	than	IN
39142	2006	42	he	-PRON-	PRP
39142	2006	43	does	do	VBZ
39142	2006	44	when	when	WRB
39142	2006	45	farthest	farthest	VB
39142	2006	46	away	away	RB
39142	2006	47	.	.	.
39142	2007	1	Southern	southern	JJ
39142	2007	2	summers	summer	NNS
39142	2007	3	on	on	IN
39142	2007	4	Mars	Mars	NNP
39142	2007	5	,	,	,
39142	2007	6	therefore	therefore	RB
39142	2007	7	,	,	,
39142	2007	8	must	must	MD
39142	2007	9	be	be	VB
39142	2007	10	much	much	RB
39142	2007	11	hotter	hot	JJR
39142	2007	12	,	,	,
39142	2007	13	and	and	CC
39142	2007	14	southern	southern	JJ
39142	2007	15	winters	winter	NNS
39142	2007	16	colder	colder	RBR
39142	2007	17	than	than	IN
39142	2007	18	the	the	DT
39142	2007	19	corresponding	correspond	VBG
39142	2007	20	seasons	season	NNS
39142	2007	21	of	of	IN
39142	2007	22	his	-PRON-	PRP$
39142	2007	23	northern	northern	JJ
39142	2007	24	hemisphere	hemisphere	NN
39142	2007	25	.	.	.
39142	2008	1	Indeed	indeed	RB
39142	2008	2	,	,	,
39142	2008	3	the	the	DT
39142	2008	4	length	length	NN
39142	2008	5	of	of	IN
39142	2008	6	the	the	DT
39142	2008	7	southern	southern	JJ
39142	2008	8	summer	summer	NN
39142	2008	9	,	,	,
39142	2008	10	nearly	nearly	RB
39142	2008	11	twice	twice	PDT
39142	2008	12	that	that	DT
39142	2008	13	of	of	IN
39142	2008	14	the	the	DT
39142	2008	15	terrestrial	terrestrial	JJ
39142	2008	16	season	season	NN
39142	2008	17	,	,	,
39142	2008	18	sometimes	sometimes	RB
39142	2008	19	amply	amply	RB
39142	2008	20	suffices	suffice	VBZ
39142	2008	21	to	to	TO
39142	2008	22	melt	melt	VB
39142	2008	23	all	all	PDT
39142	2008	24	the	the	DT
39142	2008	25	polar	polar	JJ
39142	2008	26	ice	ice	NN
39142	2008	27	and	and	CC
39142	2008	28	snow	snow	NN
39142	2008	29	,	,	,
39142	2008	30	as	as	IN
39142	2008	31	in	in	IN
39142	2008	32	October	October	NNP
39142	2008	33	,	,	,
39142	2008	34	1894	1894	CD
39142	2008	35	,	,	,
39142	2008	36	when	when	WRB
39142	2008	37	the	the	DT
39142	2008	38	southern	southern	JJ
39142	2008	39	polar	polar	JJ
39142	2008	40	cap	cap	NN
39142	2008	41	of	of	IN
39142	2008	42	Mars	Mars	NNP
39142	2008	43	dwindled	dwindle	VBD
39142	2008	44	rapidly	rapidly	RB
39142	2008	45	and	and	CC
39142	2008	46	finally	finally	RB
39142	2008	47	vanished	vanish	VBN
39142	2008	48	completely	completely	RB
39142	2008	49	.	.	.
39142	2009	1	Very	very	RB
39142	2009	2	interesting	interesting	JJ
39142	2009	3	in	in	IN
39142	2009	4	this	this	DT
39142	2009	5	connection	connection	NN
39142	2009	6	are	be	VBP
39142	2009	7	the	the	DT
39142	2009	8	researches	research	NNS
39142	2009	9	of	of	IN
39142	2009	10	Stoney	Stoney	NNP
39142	2009	11	on	on	IN
39142	2009	12	the	the	DT
39142	2009	13	general	general	JJ
39142	2009	14	conditions	condition	NNS
39142	2009	15	affecting	affect	VBG
39142	2009	16	planetary	planetary	JJ
39142	2009	17	atmospheres	atmosphere	NNS
39142	2009	18	and	and	CC
39142	2009	19	their	-PRON-	PRP$
39142	2009	20	composition	composition	NN
39142	2009	21	.	.	.
39142	2010	1	According	accord	VBG
39142	2010	2	to	to	IN
39142	2010	3	the	the	DT
39142	2010	4	kinetic	kinetic	JJ
39142	2010	5	theory	theory	NN
39142	2010	6	,	,	,
39142	2010	7	if	if	IN
39142	2010	8	the	the	DT
39142	2010	9	molecules	molecule	NNS
39142	2010	10	of	of	IN
39142	2010	11	gases	gas	NNS
39142	2010	12	which	which	WDT
39142	2010	13	are	be	VBP
39142	2010	14	continually	continually	RB
39142	2010	15	in	in	IN
39142	2010	16	motion	motion	NN
39142	2010	17	travel	travel	NN
39142	2010	18	outward	outward	RB
39142	2010	19	from	from	IN
39142	2010	20	the	the	DT
39142	2010	21	center	center	NN
39142	2010	22	of	of	IN
39142	2010	23	a	a	DT
39142	2010	24	planet	planet	NN
39142	2010	25	,	,	,
39142	2010	26	as	as	IN
39142	2010	27	they	-PRON-	PRP
39142	2010	28	frequently	frequently	RB
39142	2010	29	must	must	MD
39142	2010	30	,	,	,
39142	2010	31	and	and	CC
39142	2010	32	with	with	IN
39142	2010	33	velocities	velocity	NNS
39142	2010	34	surpassing	surpass	VBG
39142	2010	35	the	the	DT
39142	2010	36	limit	limit	NN
39142	2010	37	that	that	IN
39142	2010	38	a	a	DT
39142	2010	39	planet	planet	NN
39142	2010	40	's	's	POS
39142	2010	41	gravity	gravity	NN
39142	2010	42	is	be	VBZ
39142	2010	43	capable	capable	JJ
39142	2010	44	of	of	IN
39142	2010	45	controlling	control	VBG
39142	2010	46	,	,	,
39142	2010	47	these	these	DT
39142	2010	48	molecules	molecule	NNS
39142	2010	49	will	will	MD
39142	2010	50	effect	effect	VB
39142	2010	51	a	a	DT
39142	2010	52	permanent	permanent	JJ
39142	2010	53	escape	escape	NN
39142	2010	54	from	from	IN
39142	2010	55	the	the	DT
39142	2010	56	planet	planet	NN
39142	2010	57	,	,	,
39142	2010	58	and	and	CC
39142	2010	59	travel	travel	VB
39142	2010	60	through	through	IN
39142	2010	61	space	space	NN
39142	2010	62	in	in	IN
39142	2010	63	orbits	orbit	NNS
39142	2010	64	of	of	IN
39142	2010	65	their	-PRON-	PRP$
39142	2010	66	own	own	JJ
39142	2010	67	.	.	.
39142	2011	1	So	so	RB
39142	2011	2	the	the	DT
39142	2011	3	moon	moon	NN
39142	2011	4	is	be	VBZ
39142	2011	5	wholly	wholly	RB
39142	2011	6	without	without	IN
39142	2011	7	atmosphere	atmosphere	NN
39142	2011	8	because	because	IN
39142	2011	9	the	the	DT
39142	2011	10	moon	moon	NN
39142	2011	11	's	's	POS
39142	2011	12	gravity	gravity	NN
39142	2011	13	is	be	VBZ
39142	2011	14	not	not	RB
39142	2011	15	powerful	powerful	JJ
39142	2011	16	enough	enough	RB
39142	2011	17	to	to	TO
39142	2011	18	retain	retain	VB
39142	2011	19	the	the	DT
39142	2011	20	molecules	molecule	NNS
39142	2011	21	of	of	IN
39142	2011	22	its	-PRON-	PRP$
39142	2011	23	component	component	NN
39142	2011	24	gases	gas	NNS
39142	2011	25	.	.	.
39142	2012	1	So	so	RB
39142	2012	2	also	also	RB
39142	2012	3	the	the	DT
39142	2012	4	earth	earth	NN
39142	2012	5	's	's	POS
39142	2012	6	atmosphere	atmosphere	NN
39142	2012	7	contains	contain	VBZ
39142	2012	8	no	no	DT
39142	2012	9	helium	helium	NN
39142	2012	10	or	or	CC
39142	2012	11	free	free	JJ
39142	2012	12	hydrogen	hydrogen	NN
39142	2012	13	.	.	.
39142	2013	1	So	so	RB
39142	2013	2	,	,	,
39142	2013	3	too	too	RB
39142	2013	4	,	,	,
39142	2013	5	Mars	Mars	NNP
39142	2013	6	is	be	VBZ
39142	2013	7	possessed	possess	VBN
39142	2013	8	of	of	IN
39142	2013	9	insufficient	insufficient	JJ
39142	2013	10	force	force	NN
39142	2013	11	of	of	IN
39142	2013	12	gravity	gravity	NN
39142	2013	13	to	to	TO
39142	2013	14	retain	retain	VB
39142	2013	15	water	water	NN
39142	2013	16	vapor	vapor	NN
39142	2013	17	,	,	,
39142	2013	18	and	and	CC
39142	2013	19	the	the	DT
39142	2013	20	Martian	martian	JJ
39142	2013	21	atmosphere	atmosphere	NN
39142	2013	22	may	may	MD
39142	2013	23	therefore	therefore	RB
39142	2013	24	consist	consist	VB
39142	2013	25	mainly	mainly	RB
39142	2013	26	of	of	IN
39142	2013	27	nitrogen	nitrogen	NN
39142	2013	28	,	,	,
39142	2013	29	argon	argon	NN
39142	2013	30	,	,	,
39142	2013	31	and	and	CC
39142	2013	32	carbon	carbon	NN
39142	2013	33	dioxide	dioxide	NN
39142	2013	34	.	.	.
39142	2014	1	As	as	IN
39142	2014	2	everyone	everyone	NN
39142	2014	3	knows	know	VBZ
39142	2014	4	,	,	,
39142	2014	5	the	the	DT
39142	2014	6	axis	axi	NNS
39142	2014	7	of	of	IN
39142	2014	8	the	the	DT
39142	2014	9	earth	earth	NN
39142	2014	10	if	if	IN
39142	2014	11	extended	extend	VBN
39142	2014	12	to	to	IN
39142	2014	13	the	the	DT
39142	2014	14	northern	northern	JJ
39142	2014	15	heavens	heavens	NNPS
39142	2014	16	would	would	MD
39142	2014	17	pass	pass	VB
39142	2014	18	very	very	RB
39142	2014	19	near	near	IN
39142	2014	20	the	the	DT
39142	2014	21	north	north	JJ
39142	2014	22	polar	polar	NNP
39142	2014	23	star	star	NN
39142	2014	24	,	,	,
39142	2014	25	which	which	WDT
39142	2014	26	on	on	IN
39142	2014	27	that	that	DT
39142	2014	28	account	account	NN
39142	2014	29	is	be	VBZ
39142	2014	30	known	know	VBN
39142	2014	31	as	as	IN
39142	2014	32	Polaris	Polaris	NNP
39142	2014	33	.	.	.
39142	2015	1	In	in	IN
39142	2015	2	a	a	DT
39142	2015	3	similar	similar	JJ
39142	2015	4	manner	manner	NN
39142	2015	5	the	the	DT
39142	2015	6	axis	axi	NNS
39142	2015	7	of	of	IN
39142	2015	8	Mars	Mars	NNP
39142	2015	9	pierces	pierce	VBZ
39142	2015	10	the	the	DT
39142	2015	11	northern	northern	JJ
39142	2015	12	heavens	heaven	NNS
39142	2015	13	about	about	IN
39142	2015	14	midway	midway	NN
39142	2015	15	between	between	IN
39142	2015	16	the	the	DT
39142	2015	17	two	two	CD
39142	2015	18	bright	bright	JJ
39142	2015	19	stars	star	NNS
39142	2015	20	Alpha	Alpha	NNP
39142	2015	21	Cephei	Cephei	NNP
39142	2015	22	and	and	CC
39142	2015	23	Alpha	Alpha	NNP
39142	2015	24	Cygni	Cygni	NNP
39142	2015	25	(	(	-LRB-
39142	2015	26	Deneb	Deneb	NNP
39142	2015	27	)	)	-RRB-
39142	2015	28	.	.	.
39142	2016	1	The	the	DT
39142	2016	2	direction	direction	NN
39142	2016	3	of	of	IN
39142	2016	4	this	this	DT
39142	2016	5	axis	axis	NN
39142	2016	6	is	be	VBZ
39142	2016	7	pretty	pretty	RB
39142	2016	8	accurately	accurately	RB
39142	2016	9	known	know	VBN
39142	2016	10	,	,	,
39142	2016	11	because	because	IN
39142	2016	12	the	the	DT
39142	2016	13	measurement	measurement	NN
39142	2016	14	of	of	IN
39142	2016	15	the	the	DT
39142	2016	16	polar	polar	JJ
39142	2016	17	caps	cap	NNS
39142	2016	18	of	of	IN
39142	2016	19	the	the	DT
39142	2016	20	planet	planet	NN
39142	2016	21	as	as	IN
39142	2016	22	they	-PRON-	PRP
39142	2016	23	turn	turn	VBP
39142	2016	24	round	round	RB
39142	2016	25	from	from	IN
39142	2016	26	night	night	NN
39142	2016	27	to	to	IN
39142	2016	28	night	night	NN
39142	2016	29	,	,	,
39142	2016	30	year	year	NN
39142	2016	31	in	in	IN
39142	2016	32	and	and	CC
39142	2016	33	year	year	NN
39142	2016	34	out	out	RB
39142	2016	35	,	,	,
39142	2016	36	has	have	VBZ
39142	2016	37	enabled	enable	VBN
39142	2016	38	astronomers	astronomer	NNS
39142	2016	39	to	to	TO
39142	2016	40	assign	assign	VB
39142	2016	41	the	the	DT
39142	2016	42	inclination	inclination	NN
39142	2016	43	of	of	IN
39142	2016	44	the	the	DT
39142	2016	45	axis	axis	NN
39142	2016	46	with	with	IN
39142	2016	47	great	great	JJ
39142	2016	48	precision	precision	NN
39142	2016	49	.	.	.
39142	2017	1	These	these	DT
39142	2017	2	caps	cap	NNS
39142	2017	3	are	be	VBP
39142	2017	4	a	a	DT
39142	2017	5	brilliant	brilliant	JJ
39142	2017	6	white	white	NN
39142	2017	7	,	,	,
39142	2017	8	and	and	CC
39142	2017	9	they	-PRON-	PRP
39142	2017	10	are	be	VBP
39142	2017	11	generally	generally	RB
39142	2017	12	supposed	suppose	VBN
39142	2017	13	to	to	TO
39142	2017	14	be	be	VB
39142	2017	15	snow	snow	NN
39142	2017	16	and	and	CC
39142	2017	17	ice	ice	NN
39142	2017	18	.	.	.
39142	2018	1	They	-PRON-	PRP
39142	2018	2	wax	wax	VBP
39142	2018	3	and	and	CC
39142	2018	4	wane	wane	NN
39142	2018	5	alternately	alternately	RB
39142	2018	6	with	with	IN
39142	2018	7	the	the	DT
39142	2018	8	seasons	season	NNS
39142	2018	9	on	on	IN
39142	2018	10	Mars	Mars	NNP
39142	2018	11	,	,	,
39142	2018	12	being	be	VBG
39142	2018	13	largest	large	JJS
39142	2018	14	at	at	IN
39142	2018	15	the	the	DT
39142	2018	16	end	end	NN
39142	2018	17	of	of	IN
39142	2018	18	the	the	DT
39142	2018	19	Martian	martian	JJ
39142	2018	20	winter	winter	NN
39142	2018	21	and	and	CC
39142	2018	22	smallest	small	JJS
39142	2018	23	near	near	IN
39142	2018	24	the	the	DT
39142	2018	25	end	end	NN
39142	2018	26	of	of	IN
39142	2018	27	summer	summer	NN
39142	2018	28	.	.	.
39142	2019	1	The	the	DT
39142	2019	2	existence	existence	NN
39142	2019	3	of	of	IN
39142	2019	4	the	the	DT
39142	2019	5	polar	polar	JJ
39142	2019	6	caps	cap	NNS
39142	2019	7	together	together	RB
39142	2019	8	with	with	IN
39142	2019	9	their	-PRON-	PRP$
39142	2019	10	seasonal	seasonal	JJ
39142	2019	11	fluctuations	fluctuation	NNS
39142	2019	12	afford	afford	VBP
39142	2019	13	a	a	DT
39142	2019	14	most	most	RBS
39142	2019	15	convincing	convincing	JJ
39142	2019	16	argument	argument	NN
39142	2019	17	for	for	IN
39142	2019	18	the	the	DT
39142	2019	19	reality	reality	NN
39142	2019	20	of	of	IN
39142	2019	21	a	a	DT
39142	2019	22	Martian	martian	JJ
39142	2019	23	atmosphere	atmosphere	NN
39142	2019	24	,	,	,
39142	2019	25	sufficiently	sufficiently	RB
39142	2019	26	dense	dense	JJ
39142	2019	27	to	to	TO
39142	2019	28	be	be	VB
39142	2019	29	capable	capable	JJ
39142	2019	30	of	of	IN
39142	2019	31	diffusing	diffuse	VBG
39142	2019	32	and	and	CC
39142	2019	33	transporting	transporting	NN
39142	2019	34	vapor	vapor	NN
39142	2019	35	.	.	.
39142	2020	1	The	the	DT
39142	2020	2	northern	northern	JJ
39142	2020	3	cap	cap	NN
39142	2020	4	is	be	VBZ
39142	2020	5	centered	center	VBN
39142	2020	6	on	on	IN
39142	2020	7	the	the	DT
39142	2020	8	pole	pole	NN
39142	2020	9	almost	almost	RB
39142	2020	10	with	with	IN
39142	2020	11	geometric	geometric	JJ
39142	2020	12	exactness	exactness	NN
39142	2020	13	,	,	,
39142	2020	14	and	and	CC
39142	2020	15	as	as	RB
39142	2020	16	far	far	RB
39142	2020	17	as	as	IN
39142	2020	18	the	the	DT
39142	2020	19	85th	85th	JJ
39142	2020	20	parallel	parallel	NN
39142	2020	21	of	of	IN
39142	2020	22	latitude	latitude	NN
39142	2020	23	.	.	.
39142	2021	1	On	on	IN
39142	2021	2	the	the	DT
39142	2021	3	other	other	JJ
39142	2021	4	hand	hand	NN
39142	2021	5	,	,	,
39142	2021	6	the	the	DT
39142	2021	7	south	south	JJ
39142	2021	8	polar	polar	JJ
39142	2021	9	cap	cap	NN
39142	2021	10	is	be	VBZ
39142	2021	11	centered	center	VBN
39142	2021	12	about	about	RB
39142	2021	13	200	200	CD
39142	2021	14	miles	mile	NNS
39142	2021	15	from	from	IN
39142	2021	16	the	the	DT
39142	2021	17	true	true	JJ
39142	2021	18	pole	pole	NN
39142	2021	19	,	,	,
39142	2021	20	and	and	CC
39142	2021	21	this	this	DT
39142	2021	22	distance	distance	NN
39142	2021	23	has	have	VBZ
39142	2021	24	been	be	VBN
39142	2021	25	observed	observe	VBN
39142	2021	26	to	to	TO
39142	2021	27	vary	vary	VB
39142	2021	28	from	from	IN
39142	2021	29	one	one	CD
39142	2021	30	season	season	NN
39142	2021	31	to	to	IN
39142	2021	32	another	another	DT
39142	2021	33	.	.	.
39142	2022	1	No	no	DT
39142	2022	2	suggestion	suggestion	NN
39142	2022	3	has	have	VBZ
39142	2022	4	been	be	VBN
39142	2022	5	made	make	VBN
39142	2022	6	to	to	TO
39142	2022	7	account	account	VB
39142	2022	8	for	for	IN
39142	2022	9	this	this	DT
39142	2022	10	singular	singular	JJ
39142	2022	11	variation	variation	NN
39142	2022	12	.	.	.
39142	2023	1	On	on	IN
39142	2023	2	one	one	CD
39142	2023	3	occasion	occasion	NN
39142	2023	4	it	-PRON-	PRP
39142	2023	5	stretched	stretch	VBD
39142	2023	6	down	down	RP
39142	2023	7	to	to	IN
39142	2023	8	Martian	martian	JJ
39142	2023	9	latitude	latitude	NN
39142	2023	10	70	70	CD
39142	2023	11	degrees	degree	NNS
39142	2023	12	and	and	CC
39142	2023	13	was	be	VBD
39142	2023	14	over	over	IN
39142	2023	15	1,200	1,200	CD
39142	2023	16	miles	mile	NNS
39142	2023	17	in	in	IN
39142	2023	18	diameter	diameter	NN
39142	2023	19	.	.	.
39142	2024	1	Pickering	pickering	NN
39142	2024	2	watched	watch	VBD
39142	2024	3	the	the	DT
39142	2024	4	changing	change	VBG
39142	2024	5	conditions	condition	NNS
39142	2024	6	of	of	IN
39142	2024	7	shrinking	shrink	VBG
39142	2024	8	of	of	IN
39142	2024	9	the	the	DT
39142	2024	10	south	south	JJ
39142	2024	11	polar	polar	JJ
39142	2024	12	cap	cap	NN
39142	2024	13	in	in	IN
39142	2024	14	1892	1892	CD
39142	2024	15	with	with	IN
39142	2024	16	a	a	DT
39142	2024	17	large	large	JJ
39142	2024	18	telescope	telescope	NN
39142	2024	19	located	locate	VBN
39142	2024	20	in	in	IN
39142	2024	21	the	the	DT
39142	2024	22	Andes	Andes	NNP
39142	2024	23	of	of	IN
39142	2024	24	Peru	Peru	NNP
39142	2024	25	.	.	.
39142	2025	1	Mars	Mars	NNP
39142	2025	2	was	be	VBD
39142	2025	3	faithfully	faithfully	RB
39142	2025	4	followed	follow	VBN
39142	2025	5	on	on	IN
39142	2025	6	every	every	DT
39142	2025	7	night	night	NN
39142	2025	8	but	but	CC
39142	2025	9	one	one	CD
39142	2025	10	from	from	IN
39142	2025	11	July	July	NNP
39142	2025	12	13	13	CD
39142	2025	13	to	to	IN
39142	2025	14	September	September	NNP
39142	2025	15	9	9	CD
39142	2025	16	,	,	,
39142	2025	17	and	and	CC
39142	2025	18	the	the	DT
39142	2025	19	apparent	apparent	JJ
39142	2025	20	alterations	alteration	NNS
39142	2025	21	in	in	IN
39142	2025	22	this	this	DT
39142	2025	23	cap	cap	NN
39142	2025	24	were	be	VBD
39142	2025	25	very	very	RB
39142	2025	26	marked	mark	VBN
39142	2025	27	,	,	,
39142	2025	28	even	even	RB
39142	2025	29	from	from	IN
39142	2025	30	night	night	NN
39142	2025	31	to	to	IN
39142	2025	32	night	night	NN
39142	2025	33	.	.	.
39142	2026	1	As	as	IN
39142	2026	2	the	the	DT
39142	2026	3	snows	snow	NNS
39142	2026	4	began	begin	VBD
39142	2026	5	to	to	TO
39142	2026	6	decrease	decrease	VB
39142	2026	7	,	,	,
39142	2026	8	a	a	DT
39142	2026	9	long	long	JJ
39142	2026	10	dark	dark	JJ
39142	2026	11	line	line	NN
39142	2026	12	made	make	VBD
39142	2026	13	its	-PRON-	PRP$
39142	2026	14	appearance	appearance	NN
39142	2026	15	near	near	IN
39142	2026	16	the	the	DT
39142	2026	17	middle	middle	NN
39142	2026	18	of	of	IN
39142	2026	19	the	the	DT
39142	2026	20	cap	cap	NN
39142	2026	21	,	,	,
39142	2026	22	and	and	CC
39142	2026	23	gradually	gradually	RB
39142	2026	24	grew	grow	VBD
39142	2026	25	until	until	IN
39142	2026	26	it	-PRON-	PRP
39142	2026	27	cut	cut	VBD
39142	2026	28	the	the	DT
39142	2026	29	cap	cap	NN
39142	2026	30	in	in	IN
39142	2026	31	two	two	CD
39142	2026	32	.	.	.
39142	2027	1	This	this	DT
39142	2027	2	white	white	JJ
39142	2027	3	polar	polar	JJ
39142	2027	4	area	area	NN
39142	2027	5	(	(	-LRB-
39142	2027	6	and	and	CC
39142	2027	7	probably	probably	RB
39142	2027	8	also	also	RB
39142	2027	9	the	the	DT
39142	2027	10	northern	northern	JJ
39142	2027	11	one	one	CD
39142	2027	12	in	in	IN
39142	2027	13	similar	similar	JJ
39142	2027	14	fashion	fashion	NN
39142	2027	15	)	)	-RRB-
39142	2027	16	becomes	become	VBZ
39142	2027	17	notched	notch	VBN
39142	2027	18	on	on	IN
39142	2027	19	the	the	DT
39142	2027	20	edge	edge	NN
39142	2027	21	with	with	IN
39142	2027	22	the	the	DT
39142	2027	23	progress	progress	NN
39142	2027	24	of	of	IN
39142	2027	25	its	-PRON-	PRP$
39142	2027	26	summer	summer	NN
39142	2027	27	season	season	NN
39142	2027	28	;	;	,
39142	2027	29	dark	dark	JJ
39142	2027	30	interior	interior	JJ
39142	2027	31	spots	spot	NNS
39142	2027	32	and	and	CC
39142	2027	33	fissures	fissure	NNS
39142	2027	34	form	form	NN
39142	2027	35	,	,	,
39142	2027	36	isolated	isolated	JJ
39142	2027	37	patches	patch	NNS
39142	2027	38	separate	separate	JJ
39142	2027	39	from	from	IN
39142	2027	40	the	the	DT
39142	2027	41	principal	principal	JJ
39142	2027	42	mass	mass	NN
39142	2027	43	,	,	,
39142	2027	44	and	and	CC
39142	2027	45	later	later	RB
39142	2027	46	seem	seem	VBP
39142	2027	47	to	to	TO
39142	2027	48	dissolve	dissolve	VB
39142	2027	49	and	and	CC
39142	2027	50	disappear	disappear	VB
39142	2027	51	.	.	.
39142	2028	1	Possibly	possibly	RB
39142	2028	2	if	if	IN
39142	2028	3	one	one	CD
39142	2028	4	were	be	VBD
39142	2028	5	located	locate	VBN
39142	2028	6	on	on	IN
39142	2028	7	Mars	Mars	NNP
39142	2028	8	and	and	CC
39142	2028	9	viewing	view	VBG
39142	2028	10	our	-PRON-	PRP$
39142	2028	11	earth	earth	NN
39142	2028	12	with	with	IN
39142	2028	13	a	a	DT
39142	2028	14	big	big	JJ
39142	2028	15	telescope	telescope	NN
39142	2028	16	,	,	,
39142	2028	17	the	the	DT
39142	2028	18	seasonal	seasonal	JJ
39142	2028	19	variation	variation	NN
39142	2028	20	of	of	IN
39142	2028	21	our	-PRON-	PRP$
39142	2028	22	north	north	NN
39142	2028	23	and	and	CC
39142	2028	24	south	south	JJ
39142	2028	25	polar	polar	JJ
39142	2028	26	caps	cap	NNS
39142	2028	27	might	may	MD
39142	2028	28	present	present	VB
39142	2028	29	somewhat	somewhat	RB
39142	2028	30	similar	similar	JJ
39142	2028	31	phenomena	phenomenon	NNS
39142	2028	32	.	.	.
39142	2029	1	All	all	PDT
39142	2029	2	the	the	DT
39142	2029	3	recent	recent	JJ
39142	2029	4	oppositions	opposition	NNS
39142	2029	5	of	of	IN
39142	2029	6	Mars	Mars	NNP
39142	2029	7	have	have	VBP
39142	2029	8	been	be	VBN
39142	2029	9	critically	critically	RB
39142	2029	10	observed	observe	VBN
39142	2029	11	by	by	IN
39142	2029	12	Pickering	Pickering	NNP
39142	2029	13	from	from	IN
39142	2029	14	an	an	DT
39142	2029	15	excellent	excellent	JJ
39142	2029	16	station	station	NN
39142	2029	17	in	in	IN
39142	2029	18	Jamaica	Jamaica	NNP
39142	2029	19	.	.	.
39142	2030	1	Quite	quite	RB
39142	2030	2	obviously	obviously	RB
39142	2030	3	the	the	DT
39142	2030	4	fluctuations	fluctuation	NNS
39142	2030	5	of	of	IN
39142	2030	6	the	the	DT
39142	2030	7	polar	polar	JJ
39142	2030	8	caps	cap	NNS
39142	2030	9	are	be	VBP
39142	2030	10	the	the	DT
39142	2030	11	key	key	NN
39142	2030	12	to	to	IN
39142	2030	13	the	the	DT
39142	2030	14	physiographic	physiographic	JJ
39142	2030	15	situation	situation	NN
39142	2030	16	on	on	IN
39142	2030	17	Mars	Mars	NNP
39142	2030	18	,	,	,
39142	2030	19	and	and	CC
39142	2030	20	they	-PRON-	PRP
39142	2030	21	are	be	VBP
39142	2030	22	made	make	VBN
39142	2030	23	the	the	DT
39142	2030	24	subject	subject	NN
39142	2030	25	of	of	IN
39142	2030	26	the	the	DT
39142	2030	27	closest	close	JJS
39142	2030	28	scrutiny	scrutiny	NN
39142	2030	29	at	at	IN
39142	2030	30	every	every	DT
39142	2030	31	recurring	recur	VBG
39142	2030	32	opposition	opposition	NN
39142	2030	33	of	of	IN
39142	2030	34	the	the	DT
39142	2030	35	planet	planet	NN
39142	2030	36	.	.	.
39142	2031	1	Several	several	JJ
39142	2031	2	observers	observer	NNS
39142	2031	3	,	,	,
39142	2031	4	Lowell	Lowell	NNP
39142	2031	5	in	in	IN
39142	2031	6	particular	particular	JJ
39142	2031	7	,	,	,
39142	2031	8	record	record	VB
39142	2031	9	a	a	DT
39142	2031	10	bluish	bluish	JJ
39142	2031	11	line	line	NN
39142	2031	12	or	or	CC
39142	2031	13	a	a	DT
39142	2031	14	sort	sort	NN
39142	2031	15	of	of	IN
39142	2031	16	retreating	retreat	VBG
39142	2031	17	polar	polar	JJ
39142	2031	18	sea	sea	NN
39142	2031	19	,	,	,
39142	2031	20	following	follow	VBG
39142	2031	21	up	up	RP
39142	2031	22	the	the	DT
39142	2031	23	diminishing	diminish	VBG
39142	2031	24	polar	polar	JJ
39142	2031	25	cap	cap	NN
39142	2031	26	as	as	IN
39142	2031	27	it	-PRON-	PRP
39142	2031	28	shrinks	shrink	VBZ
39142	2031	29	with	with	IN
39142	2031	30	the	the	DT
39142	2031	31	advance	advance	NN
39142	2031	32	of	of	IN
39142	2031	33	summer	summer	NN
39142	2031	34	.	.	.
39142	2032	1	It	-PRON-	PRP
39142	2032	2	is	be	VBZ
39142	2032	3	said	say	VBN
39142	2032	4	that	that	IN
39142	2032	5	no	no	DT
39142	2032	6	such	such	JJ
39142	2032	7	line	line	NN
39142	2032	8	is	be	VBZ
39142	2032	9	visible	visible	JJ
39142	2032	10	during	during	IN
39142	2032	11	the	the	DT
39142	2032	12	formation	formation	NN
39142	2032	13	of	of	IN
39142	2032	14	the	the	DT
39142	2032	15	polar	polar	JJ
39142	2032	16	cap	cap	NN
39142	2032	17	with	with	IN
39142	2032	18	the	the	DT
39142	2032	19	approach	approach	NN
39142	2032	20	of	of	IN
39142	2032	21	winter	winter	NN
39142	2032	22	.	.	.
39142	2033	1	All	all	DT
39142	2033	2	such	such	JJ
39142	2033	3	results	result	NNS
39142	2033	4	of	of	IN
39142	2033	5	critical	critical	JJ
39142	2033	6	observation	observation	NN
39142	2033	7	,	,	,
39142	2033	8	just	just	RB
39142	2033	9	on	on	IN
39142	2033	10	the	the	DT
39142	2033	11	limit	limit	NN
39142	2033	12	of	of	IN
39142	2033	13	visibility	visibility	NN
39142	2033	14	,	,	,
39142	2033	15	have	have	VBP
39142	2033	16	to	to	TO
39142	2033	17	be	be	VB
39142	2033	18	repeated	repeat	VBN
39142	2033	19	over	over	IN
39142	2033	20	and	and	CC
39142	2033	21	over	over	RB
39142	2033	22	again	again	RB
39142	2033	23	before	before	IN
39142	2033	24	they	-PRON-	PRP
39142	2033	25	become	become	VBP
39142	2033	26	part	part	NN
39142	2033	27	of	of	IN
39142	2033	28	the	the	DT
39142	2033	29	body	body	NN
39142	2033	30	of	of	IN
39142	2033	31	accepted	accept	VBN
39142	2033	32	scientific	scientific	JJ
39142	2033	33	fact	fact	NN
39142	2033	34	.	.	.
39142	2034	1	And	and	CC
39142	2034	2	in	in	IN
39142	2034	3	many	many	JJ
39142	2034	4	instances	instance	NNS
39142	2034	5	the	the	DT
39142	2034	6	only	only	JJ
39142	2034	7	sure	sure	JJ
39142	2034	8	way	way	NN
39142	2034	9	is	be	VBZ
39142	2034	10	to	to	TO
39142	2034	11	fall	fall	VB
39142	2034	12	back	back	RB
39142	2034	13	on	on	IN
39142	2034	14	the	the	DT
39142	2034	15	photographic	photographic	JJ
39142	2034	16	record	record	NN
39142	2034	17	,	,	,
39142	2034	18	which	which	WDT
39142	2034	19	all	all	DT
39142	2034	20	astronomers	astronomer	NNS
39142	2034	21	,	,	,
39142	2034	22	whether	whether	IN
39142	2034	23	prejudiced	prejudiced	JJ
39142	2034	24	or	or	CC
39142	2034	25	not	not	RB
39142	2034	26	,	,	,
39142	2034	27	may	may	MD
39142	2034	28	have	have	VB
39142	2034	29	the	the	DT
39142	2034	30	opportunity	opportunity	NN
39142	2034	31	to	to	TO
39142	2034	32	examine	examine	VB
39142	2034	33	and	and	CC
39142	2034	34	draw	draw	VB
39142	2034	35	their	-PRON-	PRP$
39142	2034	36	individual	individual	JJ
39142	2034	37	conclusions	conclusion	NNS
39142	2034	38	.	.	.
39142	2035	1	Already	already	RB
39142	2035	2	the	the	DT
39142	2035	3	approaching	approach	VBG
39142	2035	4	opposition	opposition	NN
39142	2035	5	of	of	IN
39142	2035	6	1924	1924	CD
39142	2035	7	,	,	,
39142	2035	8	the	the	DT
39142	2035	9	most	most	RBS
39142	2035	10	favorable	favorable	JJ
39142	2035	11	since	since	IN
39142	2035	12	the	the	DT
39142	2035	13	invention	invention	NN
39142	2035	14	of	of	IN
39142	2035	15	the	the	DT
39142	2035	16	telescope	telescope	NN
39142	2035	17	,	,	,
39142	2035	18	is	be	VBZ
39142	2035	19	beginning	begin	VBG
39142	2035	20	to	to	TO
39142	2035	21	attract	attract	VB
39142	2035	22	attention	attention	NN
39142	2035	23	,	,	,
39142	2035	24	and	and	CC
39142	2035	25	preparations	preparation	NNS
39142	2035	26	are	be	VBP
39142	2035	27	in	in	IN
39142	2035	28	progress	progress	NN
39142	2035	29	,	,	,
39142	2035	30	of	of	IN
39142	2035	31	new	new	JJ
39142	2035	32	and	and	CC
39142	2035	33	more	more	RBR
39142	2035	34	powerful	powerful	JJ
39142	2035	35	instruments	instrument	NNS
39142	2035	36	,	,	,
39142	2035	37	with	with	IN
39142	2035	38	new	new	JJ
39142	2035	39	and	and	CC
39142	2035	40	more	more	RBR
39142	2035	41	sensitive	sensitive	JJ
39142	2035	42	photographic	photographic	JJ
39142	2035	43	processes	process	NNS
39142	2035	44	,	,	,
39142	2035	45	by	by	IN
39142	2035	46	means	mean	NNS
39142	2035	47	of	of	IN
39142	2035	48	which	which	WDT
39142	2035	49	many	many	JJ
39142	2035	50	of	of	IN
39142	2035	51	the	the	DT
39142	2035	52	present	present	JJ
39142	2035	53	riddles	riddle	NNS
39142	2035	54	of	of	IN
39142	2035	55	Mars	Mars	NNP
39142	2035	56	may	may	MD
39142	2035	57	be	be	VB
39142	2035	58	solved	solve	VBN
39142	2035	59	.	.	.
39142	2036	1	CHAPTER	chapter	NN
39142	2036	2	XXXIII	XXXIII	NNP
39142	2036	3	THE	the	DT
39142	2036	4	CANALS	canal	NNS
39142	2036	5	OF	of	IN
39142	2036	6	MARS	MARS	NNP
39142	2036	7	Then	then	RB
39142	2036	8	there	there	EX
39142	2036	9	are	be	VBP
39142	2036	10	the	the	DT
39142	2036	11	so	so	RB
39142	2036	12	-	-	HYPH
39142	2036	13	called	call	VBN
39142	2036	14	canals	canal	NNS
39142	2036	15	of	of	IN
39142	2036	16	Mars	Mars	NNP
39142	2036	17	,	,	,
39142	2036	18	about	about	IN
39142	2036	19	which	which	WDT
39142	2036	20	so	so	RB
39142	2036	21	much	much	JJ
39142	2036	22	is	be	VBZ
39142	2036	23	written	write	VBN
39142	2036	24	and	and	CC
39142	2036	25	relatively	relatively	RB
39142	2036	26	little	little	RB
39142	2036	27	known	known	JJ
39142	2036	28	.	.	.
39142	2037	1	Faint	faint	JJ
39142	2037	2	markings	marking	NNS
39142	2037	3	which	which	WDT
39142	2037	4	resemble	resemble	VBP
39142	2037	5	them	-PRON-	PRP
39142	2037	6	in	in	IN
39142	2037	7	character	character	NN
39142	2037	8	were	be	VBD
39142	2037	9	first	first	RB
39142	2037	10	drawn	draw	VBN
39142	2037	11	in	in	IN
39142	2037	12	1840	1840	CD
39142	2037	13	and	and	CC
39142	2037	14	later	later	RBR
39142	2037	15	in	in	IN
39142	2037	16	1864	1864	CD
39142	2037	17	,	,	,
39142	2037	18	but	but	CC
39142	2037	19	Schiaparelli	Schiaparelli	NNP
39142	2037	20	,	,	,
39142	2037	21	the	the	DT
39142	2037	22	famous	famous	JJ
39142	2037	23	Italian	italian	JJ
39142	2037	24	astronomer	astronomer	NN
39142	2037	25	,	,	,
39142	2037	26	is	be	VBZ
39142	2037	27	probably	probably	RB
39142	2037	28	their	-PRON-	PRP$
39142	2037	29	original	original	JJ
39142	2037	30	discoverer	discoverer	NN
39142	2037	31	,	,	,
39142	2037	32	when	when	WRB
39142	2037	33	Mars	Mars	NNP
39142	2037	34	was	be	VBD
39142	2037	35	at	at	IN
39142	2037	36	its	-PRON-	PRP$
39142	2037	37	least	least	JJS
39142	2037	38	distance	distance	NN
39142	2037	39	from	from	IN
39142	2037	40	the	the	DT
39142	2037	41	earth	earth	NN
39142	2037	42	in	in	IN
39142	2037	43	1877	1877	CD
39142	2037	44	.	.	.
39142	2038	1	He	-PRON-	PRP
39142	2038	2	made	make	VBD
39142	2038	3	the	the	DT
39142	2038	4	first	first	JJ
39142	2038	5	accurate	accurate	JJ
39142	2038	6	detailed	detailed	JJ
39142	2038	7	map	map	NN
39142	2038	8	of	of	IN
39142	2038	9	Mars	Mars	NNP
39142	2038	10	at	at	IN
39142	2038	11	this	this	DT
39142	2038	12	time	time	NN
39142	2038	13	,	,	,
39142	2038	14	and	and	CC
39142	2038	15	most	most	JJS
39142	2038	16	of	of	IN
39142	2038	17	the	the	DT
39142	2038	18	important	important	JJ
39142	2038	19	or	or	CC
39142	2038	20	more	more	RBR
39142	2038	21	conspicuous	conspicuous	JJ
39142	2038	22	canals	canal	NNS
39142	2038	23	(	(	-LRB-
39142	2038	24	_	_	NNP
39142	2038	25	canali	canali	NNP
39142	2038	26	_	_	NNP
39142	2038	27	,	,	,
39142	2038	28	he	-PRON-	PRP
39142	2038	29	called	call	VBD
39142	2038	30	them	-PRON-	PRP
39142	2038	31	in	in	IN
39142	2038	32	Italian	Italian	NNP
39142	2038	33	,	,	,
39142	2038	34	that	that	RB
39142	2038	35	is	is	RB
39142	2038	36	,	,	,
39142	2038	37	channels	channel	NNS
39142	2038	38	merely	merely	RB
39142	2038	39	,	,	,
39142	2038	40	without	without	IN
39142	2038	41	any	any	DT
39142	2038	42	reference	reference	NN
39142	2038	43	whatever	whatever	WDT
39142	2038	44	to	to	IN
39142	2038	45	their	-PRON-	PRP$
39142	2038	46	being	be	VBG
39142	2038	47	watercourses	watercourse	NNS
39142	2038	48	)	)	-RRB-
39142	2038	49	were	be	VBD
39142	2038	50	accurately	accurately	RB
39142	2038	51	charted	chart	VBN
39142	2038	52	by	by	IN
39142	2038	53	him	-PRON-	PRP
39142	2038	54	.	.	.
39142	2039	1	At	at	IN
39142	2039	2	all	all	PDT
39142	2039	3	the	the	DT
39142	2039	4	subsequent	subsequent	JJ
39142	2039	5	close	close	JJ
39142	2039	6	approaches	approach	NNS
39142	2039	7	of	of	IN
39142	2039	8	Mars	Mars	NNP
39142	2039	9	,	,	,
39142	2039	10	the	the	DT
39142	2039	11	canals	canal	NNS
39142	2039	12	have	have	VBP
39142	2039	13	been	be	VBN
39142	2039	14	critically	critically	RB
39142	2039	15	studied	study	VBN
39142	2039	16	by	by	IN
39142	2039	17	a	a	DT
39142	2039	18	wide	wide	JJ
39142	2039	19	range	range	NN
39142	2039	20	of	of	IN
39142	2039	21	astronomical	astronomical	JJ
39142	2039	22	observers	observer	NNS
39142	2039	23	,	,	,
39142	2039	24	and	and	CC
39142	2039	25	their	-PRON-	PRP$
39142	2039	26	conclusions	conclusion	NNS
39142	2039	27	as	as	IN
39142	2039	28	to	to	IN
39142	2039	29	the	the	DT
39142	2039	30	nature	nature	NN
39142	2039	31	and	and	CC
39142	2039	32	visibility	visibility	NN
39142	2039	33	of	of	IN
39142	2039	34	the	the	DT
39142	2039	35	canals	canal	NNS
39142	2039	36	have	have	VBP
39142	2039	37	been	be	VBN
39142	2039	38	equally	equally	RB
39142	2039	39	wide	wide	JJ
39142	2039	40	and	and	CC
39142	2039	41	varied	varied	JJ
39142	2039	42	.	.	.
39142	2040	1	The	the	DT
39142	2040	2	most	most	RBS
39142	2040	3	favorable	favorable	JJ
39142	2040	4	oppositions	opposition	NNS
39142	2040	5	have	have	VBP
39142	2040	6	occurred	occur	VBN
39142	2040	7	in	in	IN
39142	2040	8	1892	1892	CD
39142	2040	9	and	and	CC
39142	2040	10	1894	1894	CD
39142	2040	11	,	,	,
39142	2040	12	also	also	RB
39142	2040	13	in	in	IN
39142	2040	14	1907	1907	CD
39142	2040	15	and	and	CC
39142	2040	16	1909	1909	CD
39142	2040	17	.	.	.
39142	2041	1	On	on	IN
39142	2041	2	these	these	DT
39142	2041	3	occasions	occasion	NNS
39142	2041	4	a	a	DT
39142	2041	5	close	close	JJ
39142	2041	6	minimum	minimum	JJ
39142	2041	7	distance	distance	NN
39142	2041	8	of	of	IN
39142	2041	9	Mars	Mars	NNP
39142	2041	10	was	be	VBD
39142	2041	11	reached	reach	VBN
39142	2041	12	,	,	,
39142	2041	13	that	that	RB
39142	2041	14	is	is	RB
39142	2041	15	,	,	,
39142	2041	16	about	about	RB
39142	2041	17	35	35	CD
39142	2041	18	millions	million	NNS
39142	2041	19	of	of	IN
39142	2041	20	miles	mile	NNS
39142	2041	21	;	;	:
39142	2041	22	but	but	CC
39142	2041	23	in	in	IN
39142	2041	24	1924	1924	CD
39142	2041	25	the	the	DT
39142	2041	26	planet	planet	NN
39142	2041	27	makes	make	VBZ
39142	2041	28	the	the	DT
39142	2041	29	closest	close	JJS
39142	2041	30	approach	approach	NN
39142	2041	31	in	in	IN
39142	2041	32	a	a	DT
39142	2041	33	period	period	NN
39142	2041	34	of	of	IN
39142	2041	35	nearly	nearly	RB
39142	2041	36	a	a	DT
39142	2041	37	thousand	thousand	CD
39142	2041	38	years	year	NNS
39142	2041	39	.	.	.
39142	2042	1	Its	-PRON-	PRP$
39142	2042	2	distance	distance	NN
39142	2042	3	will	will	MD
39142	2042	4	not	not	RB
39142	2042	5	much	much	RB
39142	2042	6	exceed	exceed	VB
39142	2042	7	34	34	CD
39142	2042	8	millions	million	NNS
39142	2042	9	of	of	IN
39142	2042	10	miles	mile	NNS
39142	2042	11	.	.	.
39142	2043	1	But	but	CC
39142	2043	2	although	although	IN
39142	2043	3	this	this	DT
39142	2043	4	is	be	VBZ
39142	2043	5	a	a	DT
39142	2043	6	minimum	minimum	JJ
39142	2043	7	distance	distance	NN
39142	2043	8	for	for	IN
39142	2043	9	Mars	Mars	NNP
39142	2043	10	,	,	,
39142	2043	11	it	-PRON-	PRP
39142	2043	12	must	must	MD
39142	2043	13	not	not	RB
39142	2043	14	be	be	VB
39142	2043	15	forgotten	forget	VBN
39142	2043	16	that	that	IN
39142	2043	17	it	-PRON-	PRP
39142	2043	18	is	be	VBZ
39142	2043	19	a	a	DT
39142	2043	20	really	really	RB
39142	2043	21	vast	vast	JJ
39142	2043	22	distance	distance	NN
39142	2043	23	,	,	,
39142	2043	24	absolutely	absolutely	RB
39142	2043	25	speaking	speak	VBG
39142	2043	26	;	;	:
39142	2043	27	it	-PRON-	PRP
39142	2043	28	is	be	VBZ
39142	2043	29	something	something	NN
39142	2043	30	like	like	IN
39142	2043	31	150	150	CD
39142	2043	32	times	time	NNS
39142	2043	33	greater	great	JJR
39142	2043	34	than	than	IN
39142	2043	35	the	the	DT
39142	2043	36	distance	distance	NN
39142	2043	37	of	of	IN
39142	2043	38	the	the	DT
39142	2043	39	moon	moon	NN
39142	2043	40	.	.	.
39142	2044	1	With	with	IN
39142	2044	2	no	no	DT
39142	2044	3	telescopic	telescopic	JJ
39142	2044	4	power	power	NN
39142	2044	5	at	at	IN
39142	2044	6	our	-PRON-	PRP$
39142	2044	7	command	command	NN
39142	2044	8	could	could	MD
39142	2044	9	we	-PRON-	PRP
39142	2044	10	possibly	possibly	RB
39142	2044	11	see	see	VB
39142	2044	12	anything	anything	NN
39142	2044	13	on	on	IN
39142	2044	14	the	the	DT
39142	2044	15	moon	moon	NN
39142	2044	16	of	of	IN
39142	2044	17	the	the	DT
39142	2044	18	size	size	NN
39142	2044	19	of	of	IN
39142	2044	20	the	the	DT
39142	2044	21	largest	large	JJS
39142	2044	22	buildings	building	NNS
39142	2044	23	or	or	CC
39142	2044	24	other	other	JJ
39142	2044	25	works	work	NNS
39142	2044	26	of	of	IN
39142	2044	27	human	human	JJ
39142	2044	28	intelligence	intelligence	NN
39142	2044	29	;	;	:
39142	2044	30	so	so	CC
39142	2044	31	that	that	IN
39142	2044	32	we	-PRON-	PRP
39142	2044	33	seem	seem	VBP
39142	2044	34	forever	forever	RB
39142	2044	35	barred	bar	VBN
39142	2044	36	from	from	IN
39142	2044	37	detecting	detect	VBG
39142	2044	38	anything	anything	NN
39142	2044	39	of	of	IN
39142	2044	40	the	the	DT
39142	2044	41	sort	sort	NN
39142	2044	42	on	on	IN
39142	2044	43	Mars	Mars	NNP
39142	2044	44	.	.	.
39142	2045	1	Nevertheless	nevertheless	RB
39142	2045	2	,	,	,
39142	2045	3	the	the	DT
39142	2045	4	closest	close	JJS
39142	2045	5	scrutiny	scrutiny	NN
39142	2045	6	of	of	IN
39142	2045	7	the	the	DT
39142	2045	8	ruddy	ruddy	NN
39142	2045	9	planet	planet	NN
39142	2045	10	by	by	IN
39142	2045	11	observers	observer	NNS
39142	2045	12	of	of	IN
39142	2045	13	great	great	JJ
39142	2045	14	enthusiasm	enthusiasm	NN
39142	2045	15	and	and	CC
39142	2045	16	intelligence	intelligence	NN
39142	2045	17	,	,	,
39142	2045	18	coupled	couple	VBN
39142	2045	19	with	with	IN
39142	2045	20	imagination	imagination	NN
39142	2045	21	and	and	CC
39142	2045	22	persistence	persistence	NN
39142	2045	23	,	,	,
39142	2045	24	have	have	VBP
39142	2045	25	built	build	VBN
39142	2045	26	up	up	RP
39142	2045	27	a	a	DT
39142	2045	28	system	system	NN
39142	2045	29	of	of	IN
39142	2045	30	canals	canal	NNS
39142	2045	31	on	on	IN
39142	2045	32	Mars	Mars	NNP
39142	2045	33	,	,	,
39142	2045	34	covering	cover	VBG
39142	2045	35	the	the	DT
39142	2045	36	surface	surface	NN
39142	2045	37	of	of	IN
39142	2045	38	the	the	DT
39142	2045	39	planet	planet	NN
39142	2045	40	like	like	IN
39142	2045	41	spider	spider	NN
39142	2045	42	webs	webs	NN
39142	2045	43	over	over	IN
39142	2045	44	a	a	DT
39142	2045	45	printed	print	VBN
39142	2045	46	page	page	NN
39142	2045	47	,	,	,
39142	2045	48	crossing	cross	VBG
39142	2045	49	each	each	DT
39142	2045	50	other	other	JJ
39142	2045	51	at	at	IN
39142	2045	52	intersecting	intersect	VBG
39142	2045	53	spots	spot	NNS
39142	2045	54	known	know	VBN
39142	2045	55	as	as	IN
39142	2045	56	"	"	``
39142	2045	57	lakes	lake	NNS
39142	2045	58	,	,	,
39142	2045	59	"	"	''
39142	2045	60	and	and	CC
39142	2045	61	embodying	embody	VBG
39142	2045	62	a	a	DT
39142	2045	63	wealth	wealth	NN
39142	2045	64	of	of	IN
39142	2045	65	detail	detail	NN
39142	2045	66	which	which	WDT
39142	2045	67	challenges	challenge	VBZ
39142	2045	68	criticism	criticism	NN
39142	2045	69	and	and	CC
39142	2045	70	explanation	explanation	NN
39142	2045	71	.	.	.
39142	2046	1	To	to	TO
39142	2046	2	see	see	VB
39142	2046	3	the	the	DT
39142	2046	4	canals	canal	NNS
39142	2046	5	at	at	IN
39142	2046	6	all	all	RB
39142	2046	7	requires	require	VBZ
39142	2046	8	a	a	DT
39142	2046	9	favorable	favorable	JJ
39142	2046	10	presentation	presentation	NN
39142	2046	11	of	of	IN
39142	2046	12	Mars	Mars	NNP
39142	2046	13	,	,	,
39142	2046	14	a	a	DT
39142	2046	15	steady	steady	JJ
39142	2046	16	atmosphere	atmosphere	NN
39142	2046	17	and	and	CC
39142	2046	18	a	a	DT
39142	2046	19	perfect	perfect	JJ
39142	2046	20	telescope	telescope	NN
39142	2046	21	,	,	,
39142	2046	22	with	with	IN
39142	2046	23	a	a	DT
39142	2046	24	trained	train	VBN
39142	2046	25	eye	eye	NN
39142	2046	26	behind	behind	IN
39142	2046	27	it	-PRON-	PRP
39142	2046	28	.	.	.
39142	2047	1	Not	not	RB
39142	2047	2	even	even	RB
39142	2047	3	then	then	RB
39142	2047	4	are	be	VBP
39142	2047	5	they	-PRON-	PRP
39142	2047	6	sure	sure	JJ
39142	2047	7	to	to	TO
39142	2047	8	be	be	VB
39142	2047	9	visible	visible	JJ
39142	2047	10	.	.	.
39142	2048	1	The	the	DT
39142	2048	2	training	training	NN
39142	2048	3	of	of	IN
39142	2048	4	the	the	DT
39142	2048	5	eye	eye	NN
39142	2048	6	has	have	VBZ
39142	2048	7	no	no	DT
39142	2048	8	doubt	doubt	RB
39142	2048	9	much	much	JJ
39142	2048	10	to	to	TO
39142	2048	11	do	do	VB
39142	2048	12	with	with	IN
39142	2048	13	it	-PRON-	PRP
39142	2048	14	.	.	.
39142	2049	1	So	so	CC
39142	2049	2	photography	photography	NN
39142	2049	3	has	have	VBZ
39142	2049	4	been	be	VBN
39142	2049	5	called	call	VBN
39142	2049	6	in	in	RP
39142	2049	7	,	,	,
39142	2049	8	and	and	CC
39142	2049	9	very	very	RB
39142	2049	10	excellent	excellent	JJ
39142	2049	11	pictures	picture	NNS
39142	2049	12	of	of	IN
39142	2049	13	Mars	Mars	NNP
39142	2049	14	have	have	VBP
39142	2049	15	already	already	RB
39142	2049	16	been	be	VBN
39142	2049	17	taken	take	VBN
39142	2049	18	,	,	,
39142	2049	19	some	some	DT
39142	2049	20	nearly	nearly	RB
39142	2049	21	half	half	NN
39142	2049	22	as	as	RB
39142	2049	23	large	large	JJ
39142	2049	24	as	as	IN
39142	2049	25	a	a	DT
39142	2049	26	dime	dime	NN
39142	2049	27	,	,	,
39142	2049	28	showing	show	VBG
39142	2049	29	plainly	plainly	RB
39142	2049	30	the	the	DT
39142	2049	31	lights	light	NNS
39142	2049	32	and	and	CC
39142	2049	33	shades	shade	NNS
39142	2049	34	of	of	IN
39142	2049	35	the	the	DT
39142	2049	36	grander	grander	NN
39142	2049	37	divisions	division	NNS
39142	2049	38	of	of	IN
39142	2049	39	the	the	DT
39142	2049	40	Martian	Martian	NNP
39142	2049	41	surface	surface	NN
39142	2049	42	,	,	,
39142	2049	43	but	but	CC
39142	2049	44	only	only	RB
39142	2049	45	in	in	IN
39142	2049	46	a	a	DT
39142	2049	47	few	few	JJ
39142	2049	48	instances	instance	NNS
39142	2049	49	revealing	reveal	VBG
39142	2049	50	the	the	DT
39142	2049	51	actual	actual	JJ
39142	2049	52	canals	canal	NNS
39142	2049	53	more	more	RBR
39142	2049	54	unmistakably	unmistakably	RB
39142	2049	55	than	than	IN
39142	2049	56	they	-PRON-	PRP
39142	2049	57	are	be	VBP
39142	2049	58	seen	see	VBN
39142	2049	59	at	at	IN
39142	2049	60	the	the	DT
39142	2049	61	eyepiece	eyepiece	NN
39142	2049	62	.	.	.
39142	2050	1	The	the	DT
39142	2050	2	appearance	appearance	NN
39142	2050	3	and	and	CC
39142	2050	4	degree	degree	NN
39142	2050	5	of	of	IN
39142	2050	6	visibility	visibility	NN
39142	2050	7	of	of	IN
39142	2050	8	the	the	DT
39142	2050	9	canals	canal	NNS
39142	2050	10	are	be	VBP
39142	2050	11	variable	variable	JJ
39142	2050	12	:	:	:
39142	2050	13	possibly	possibly	RB
39142	2050	14	clouds	cloud	NNS
39142	2050	15	temporarily	temporarily	RB
39142	2050	16	obscure	obscure	VBP
39142	2050	17	them	-PRON-	PRP
39142	2050	18	.	.	.
39142	2051	1	But	but	CC
39142	2051	2	there	there	EX
39142	2051	3	is	be	VBZ
39142	2051	4	a	a	DT
39142	2051	5	certain	certain	JJ
39142	2051	6	capriciousness	capriciousness	NN
39142	2051	7	about	about	IN
39142	2051	8	their	-PRON-	PRP$
39142	2051	9	visibility	visibility	NN
39142	2051	10	that	that	WDT
39142	2051	11	is	be	VBZ
39142	2051	12	little	little	RB
39142	2051	13	understood	understand	VBN
39142	2051	14	.	.	.
39142	2052	1	In	in	IN
39142	2052	2	consequence	consequence	NN
39142	2052	3	of	of	IN
39142	2052	4	the	the	DT
39142	2052	5	changing	change	VBG
39142	2052	6	physical	physical	JJ
39142	2052	7	aspects	aspect	NNS
39142	2052	8	,	,	,
39142	2052	9	as	as	IN
39142	2052	10	to	to	IN
39142	2052	11	season	season	NN
39142	2052	12	,	,	,
39142	2052	13	on	on	IN
39142	2052	14	Mars	Mars	NNP
39142	2052	15	and	and	CC
39142	2052	16	his	-PRON-	PRP$
39142	2052	17	orbital	orbital	JJ
39142	2052	18	position	position	NN
39142	2052	19	with	with	IN
39142	2052	20	reference	reference	NN
39142	2052	21	to	to	IN
39142	2052	22	the	the	DT
39142	2052	23	earth	earth	NN
39142	2052	24	,	,	,
39142	2052	25	some	some	DT
39142	2052	26	of	of	IN
39142	2052	27	the	the	DT
39142	2052	28	canals	canal	NNS
39142	2052	29	remain	remain	VBP
39142	2052	30	for	for	IN
39142	2052	31	a	a	DT
39142	2052	32	long	long	JJ
39142	2052	33	time	time	NN
39142	2052	34	invisible	invisible	JJ
39142	2052	35	,	,	,
39142	2052	36	adding	add	VBG
39142	2052	37	to	to	IN
39142	2052	38	the	the	DT
39142	2052	39	intricacy	intricacy	NN
39142	2052	40	of	of	IN
39142	2052	41	the	the	DT
39142	2052	42	puzzle	puzzle	NN
39142	2052	43	.	.	.
39142	2053	1	For	for	IN
39142	2053	2	the	the	DT
39142	2053	3	most	most	JJS
39142	2053	4	part	part	NN
39142	2053	5	the	the	DT
39142	2053	6	canals	canal	NNS
39142	2053	7	are	be	VBP
39142	2053	8	straight	straight	JJ
39142	2053	9	in	in	IN
39142	2053	10	their	-PRON-	PRP$
39142	2053	11	course	course	NN
39142	2053	12	and	and	CC
39142	2053	13	do	do	VBP
39142	2053	14	not	not	RB
39142	2053	15	swerve	swerve	VB
39142	2053	16	much	much	RB
39142	2053	17	from	from	IN
39142	2053	18	a	a	DT
39142	2053	19	great	great	JJ
39142	2053	20	circle	circle	NN
39142	2053	21	on	on	IN
39142	2053	22	the	the	DT
39142	2053	23	planet	planet	NN
39142	2053	24	.	.	.
39142	2054	1	But	but	CC
39142	2054	2	their	-PRON-	PRP$
39142	2054	3	lengths	length	NNS
39142	2054	4	are	be	VBP
39142	2054	5	very	very	RB
39142	2054	6	different	different	JJ
39142	2054	7	,	,	,
39142	2054	8	some	some	DT
39142	2054	9	as	as	RB
39142	2054	10	short	short	JJ
39142	2054	11	as	as	IN
39142	2054	12	250	250	CD
39142	2054	13	miles	mile	NNS
39142	2054	14	,	,	,
39142	2054	15	some	some	DT
39142	2054	16	as	as	RB
39142	2054	17	long	long	JJ
39142	2054	18	as	as	IN
39142	2054	19	4,000	4,000	CD
39142	2054	20	miles	mile	NNS
39142	2054	21	;	;	:
39142	2054	22	and	and	CC
39142	2054	23	they	-PRON-	PRP
39142	2054	24	often	often	RB
39142	2054	25	join	join	VBP
39142	2054	26	one	one	CD
39142	2054	27	another	another	DT
39142	2054	28	like	like	IN
39142	2054	29	spokes	spoke	NNS
39142	2054	30	in	in	IN
39142	2054	31	the	the	DT
39142	2054	32	hub	hub	NN
39142	2054	33	of	of	IN
39142	2054	34	a	a	DT
39142	2054	35	wheel	wheel	NN
39142	2054	36	,	,	,
39142	2054	37	though	though	IN
39142	2054	38	at	at	IN
39142	2054	39	various	various	JJ
39142	2054	40	angles	angle	NNS
39142	2054	41	.	.	.
39142	2055	1	As	as	IN
39142	2055	2	depicted	depict	VBN
39142	2055	3	by	by	IN
39142	2055	4	Lowell	Lowell	NNP
39142	2055	5	and	and	CC
39142	2055	6	his	-PRON-	PRP$
39142	2055	7	corps	corps	NN
39142	2055	8	of	of	IN
39142	2055	9	observers	observer	NNS
39142	2055	10	at	at	IN
39142	2055	11	Flagstaff	Flagstaff	NNP
39142	2055	12	,	,	,
39142	2055	13	Arizona	Arizona	NNP
39142	2055	14	,	,	,
39142	2055	15	the	the	DT
39142	2055	16	canal	canal	NN
39142	2055	17	system	system	NN
39142	2055	18	is	be	VBZ
39142	2055	19	a	a	DT
39142	2055	20	truly	truly	RB
39142	2055	21	marvelous	marvelous	JJ
39142	2055	22	network	network	NN
39142	2055	23	of	of	IN
39142	2055	24	fine	fine	JJ
39142	2055	25	darkish	darkish	JJ
39142	2055	26	stripes	stripe	NNS
39142	2055	27	.	.	.
39142	2056	1	Their	-PRON-	PRP$
39142	2056	2	color	color	NN
39142	2056	3	is	be	VBZ
39142	2056	4	represented	represent	VBN
39142	2056	5	as	as	IN
39142	2056	6	a	a	DT
39142	2056	7	bluish	bluish	JJ
39142	2056	8	green	green	NN
39142	2056	9	.	.	.
39142	2057	1	Each	each	DT
39142	2057	2	marking	marking	NN
39142	2057	3	maintains	maintain	VBZ
39142	2057	4	its	-PRON-	PRP$
39142	2057	5	own	own	JJ
39142	2057	6	breadth	breadth	NN
39142	2057	7	throughout	throughout	IN
39142	2057	8	its	-PRON-	PRP$
39142	2057	9	entire	entire	JJ
39142	2057	10	length	length	NN
39142	2057	11	,	,	,
39142	2057	12	but	but	CC
39142	2057	13	the	the	DT
39142	2057	14	breadth	breadth	NN
39142	2057	15	of	of	IN
39142	2057	16	all	all	PDT
39142	2057	17	the	the	DT
39142	2057	18	canals	canal	NNS
39142	2057	19	is	be	VBZ
39142	2057	20	by	by	IN
39142	2057	21	no	no	DT
39142	2057	22	means	means	NN
39142	2057	23	the	the	DT
39142	2057	24	same	same	JJ
39142	2057	25	:	:	:
39142	2057	26	the	the	DT
39142	2057	27	narrowest	narrow	JJS
39142	2057	28	are	be	VBP
39142	2057	29	perhaps	perhaps	RB
39142	2057	30	fifteen	fifteen	CD
39142	2057	31	to	to	TO
39142	2057	32	twenty	twenty	CD
39142	2057	33	miles	mile	NNS
39142	2057	34	wide	wide	JJ
39142	2057	35	,	,	,
39142	2057	36	and	and	CC
39142	2057	37	the	the	DT
39142	2057	38	broadest	broad	JJS
39142	2057	39	probably	probably	RB
39142	2057	40	ten	ten	CD
39142	2057	41	times	time	NNS
39142	2057	42	that	that	DT
39142	2057	43	.	.	.
39142	2058	1	At	at	IN
39142	2058	2	least	least	JJS
39142	2058	3	that	that	DT
39142	2058	4	must	must	MD
39142	2058	5	be	be	VB
39142	2058	6	the	the	DT
39142	2058	7	breadth	breadth	NN
39142	2058	8	of	of	IN
39142	2058	9	the	the	DT
39142	2058	10	Nilosyrtis	Nilosyrtis	NNP
39142	2058	11	,	,	,
39142	2058	12	which	which	WDT
39142	2058	13	is	be	VBZ
39142	2058	14	generally	generally	RB
39142	2058	15	regarded	regard	VBN
39142	2058	16	as	as	IN
39142	2058	17	the	the	DT
39142	2058	18	most	most	RBS
39142	2058	19	conspicuous	conspicuous	JJ
39142	2058	20	of	of	IN
39142	2058	21	all	all	PDT
39142	2058	22	the	the	DT
39142	2058	23	canals	canal	NNS
39142	2058	24	.	.	.
39142	2059	1	The	the	DT
39142	2059	2	Lowell	Lowell	NNP
39142	2059	3	Observatory	Observatory	NNP
39142	2059	4	has	have	VBZ
39142	2059	5	outstripped	outstrip	VBN
39142	2059	6	all	all	DT
39142	2059	7	others	other	NNS
39142	2059	8	in	in	IN
39142	2059	9	the	the	DT
39142	2059	10	number	number	NN
39142	2059	11	of	of	IN
39142	2059	12	canals	canal	NNS
39142	2059	13	seen	see	VBN
39142	2059	14	and	and	CC
39142	2059	15	charted	chart	VBN
39142	2059	16	,	,	,
39142	2059	17	now	now	RB
39142	2059	18	about	about	RB
39142	2059	19	500	500	CD
39142	2059	20	.	.	.
39142	2060	1	What	what	WP
39142	2060	2	may	may	MD
39142	2060	3	be	be	VB
39142	2060	4	the	the	DT
39142	2060	5	true	true	JJ
39142	2060	6	significance	significance	NN
39142	2060	7	of	of	IN
39142	2060	8	this	this	DT
39142	2060	9	remarkable	remarkable	JJ
39142	2060	10	system	system	NN
39142	2060	11	of	of	IN
39142	2060	12	markings	marking	NNS
39142	2060	13	it	-PRON-	PRP
39142	2060	14	is	be	VBZ
39142	2060	15	impossible	impossible	JJ
39142	2060	16	to	to	TO
39142	2060	17	conclude	conclude	VB
39142	2060	18	at	at	IN
39142	2060	19	present	present	NN
39142	2060	20	.	.	.
39142	2061	1	Schiaparelli	schiaparelli	NN
39142	2061	2	from	from	IN
39142	2061	3	his	-PRON-	PRP$
39142	2061	4	long	long	JJ
39142	2061	5	and	and	CC
39142	2061	6	critical	critical	JJ
39142	2061	7	study	study	NN
39142	2061	8	of	of	IN
39142	2061	9	them	-PRON-	PRP
39142	2061	10	,	,	,
39142	2061	11	their	-PRON-	PRP$
39142	2061	12	changes	change	NNS
39142	2061	13	of	of	IN
39142	2061	14	width	width	NN
39142	2061	15	and	and	CC
39142	2061	16	color	color	NN
39142	2061	17	,	,	,
39142	2061	18	was	be	VBD
39142	2061	19	led	lead	VBN
39142	2061	20	to	to	TO
39142	2061	21	think	think	VB
39142	2061	22	that	that	IN
39142	2061	23	they	-PRON-	PRP
39142	2061	24	may	may	MD
39142	2061	25	be	be	VB
39142	2061	26	a	a	DT
39142	2061	27	veritable	veritable	JJ
39142	2061	28	hydrographic	hydrographic	JJ
39142	2061	29	system	system	NN
39142	2061	30	for	for	IN
39142	2061	31	distributing	distribute	VBG
39142	2061	32	the	the	DT
39142	2061	33	liquid	liquid	NN
39142	2061	34	from	from	IN
39142	2061	35	the	the	DT
39142	2061	36	melting	melt	VBG
39142	2061	37	polar	polar	JJ
39142	2061	38	snows	snow	NNS
39142	2061	39	.	.	.
39142	2062	1	In	in	IN
39142	2062	2	this	this	DT
39142	2062	3	case	case	NN
39142	2062	4	it	-PRON-	PRP
39142	2062	5	would	would	MD
39142	2062	6	be	be	VB
39142	2062	7	difficult	difficult	JJ
39142	2062	8	to	to	TO
39142	2062	9	escape	escape	VB
39142	2062	10	the	the	DT
39142	2062	11	conviction	conviction	NN
39142	2062	12	that	that	IN
39142	2062	13	the	the	DT
39142	2062	14	canals	canal	NNS
39142	2062	15	have	have	VBP
39142	2062	16	,	,	,
39142	2062	17	at	at	IN
39142	2062	18	least	least	JJS
39142	2062	19	in	in	IN
39142	2062	20	part	part	NN
39142	2062	21	,	,	,
39142	2062	22	been	be	VBN
39142	2062	23	designed	design	VBN
39142	2062	24	and	and	CC
39142	2062	25	executed	execute	VBN
39142	2062	26	with	with	IN
39142	2062	27	a	a	DT
39142	2062	28	definite	definite	JJ
39142	2062	29	end	end	NN
39142	2062	30	in	in	IN
39142	2062	31	view	view	NN
39142	2062	32	.	.	.
39142	2063	1	Lowell	Lowell	NNP
39142	2063	2	went	go	VBD
39142	2063	3	even	even	RB
39142	2063	4	farther	farther	RB
39142	2063	5	and	and	CC
39142	2063	6	built	build	VBN
39142	2063	7	upon	upon	IN
39142	2063	8	their	-PRON-	PRP$
39142	2063	9	behavior	behavior	NN
39142	2063	10	an	an	DT
39142	2063	11	elaborate	elaborate	JJ
39142	2063	12	theory	theory	NN
39142	2063	13	of	of	IN
39142	2063	14	life	life	NN
39142	2063	15	on	on	IN
39142	2063	16	the	the	DT
39142	2063	17	planet	planet	NN
39142	2063	18	,	,	,
39142	2063	19	with	with	IN
39142	2063	20	intelligent	intelligent	JJ
39142	2063	21	beings	being	NNS
39142	2063	22	constructing	construct	VBG
39142	2063	23	and	and	CC
39142	2063	24	opening	open	VBG
39142	2063	25	new	new	JJ
39142	2063	26	canals	canal	NNS
39142	2063	27	on	on	IN
39142	2063	28	Mars	Mars	NNP
39142	2063	29	at	at	IN
39142	2063	30	the	the	DT
39142	2063	31	present	present	JJ
39142	2063	32	epoch	epoch	NN
39142	2063	33	.	.	.
39142	2064	1	Pickering	pickering	NN
39142	2064	2	propounded	propound	VBD
39142	2064	3	the	the	DT
39142	2064	4	theory	theory	NN
39142	2064	5	that	that	IN
39142	2064	6	the	the	DT
39142	2064	7	canals	canal	NNS
39142	2064	8	are	be	VBP
39142	2064	9	not	not	RB
39142	2064	10	water	water	NN
39142	2064	11	-	-	HYPH
39142	2064	12	bearing	bear	VBG
39142	2064	13	channels	channel	NNS
39142	2064	14	at	at	RB
39142	2064	15	all	all	RB
39142	2064	16	,	,	,
39142	2064	17	but	but	CC
39142	2064	18	that	that	IN
39142	2064	19	they	-PRON-	PRP
39142	2064	20	are	be	VBP
39142	2064	21	due	due	JJ
39142	2064	22	to	to	IN
39142	2064	23	vegetation	vegetation	NN
39142	2064	24	,	,	,
39142	2064	25	starting	start	VBG
39142	2064	26	in	in	IN
39142	2064	27	the	the	DT
39142	2064	28	spring	spring	NN
39142	2064	29	when	when	WRB
39142	2064	30	first	first	RB
39142	2064	31	seen	see	VBN
39142	2064	32	and	and	CC
39142	2064	33	vitalized	vitalize	VBN
39142	2064	34	by	by	IN
39142	2064	35	the	the	DT
39142	2064	36	progress	progress	NN
39142	2064	37	of	of	IN
39142	2064	38	the	the	DT
39142	2064	39	season	season	NN
39142	2064	40	poleward	poleward	NN
39142	2064	41	,	,	,
39142	2064	42	the	the	DT
39142	2064	43	intensity	intensity	NN
39142	2064	44	of	of	IN
39142	2064	45	color	color	NN
39142	2064	46	of	of	IN
39142	2064	47	the	the	DT
39142	2064	48	vegetation	vegetation	NN
39142	2064	49	coinciding	coincide	VBG
39142	2064	50	with	with	IN
39142	2064	51	the	the	DT
39142	2064	52	progress	progress	NN
39142	2064	53	of	of	IN
39142	2064	54	the	the	DT
39142	2064	55	season	season	NN
39142	2064	56	as	as	IN
39142	2064	57	we	-PRON-	PRP
39142	2064	58	observe	observe	VBP
39142	2064	59	it	-PRON-	PRP
39142	2064	60	.	.	.
39142	2065	1	Extensive	extensive	JJ
39142	2065	2	irrigation	irrigation	NN
39142	2065	3	schemes	scheme	NNS
39142	2065	4	for	for	IN
39142	2065	5	conducting	conduct	VBG
39142	2065	6	agricultural	agricultural	JJ
39142	2065	7	operations	operation	NNS
39142	2065	8	on	on	IN
39142	2065	9	a	a	DT
39142	2065	10	large	large	JJ
39142	2065	11	scale	scale	NN
39142	2065	12	seem	seem	VBP
39142	2065	13	a	a	DT
39142	2065	14	very	very	RB
39142	2065	15	plausible	plausible	JJ
39142	2065	16	explanation	explanation	NN
39142	2065	17	of	of	IN
39142	2065	18	the	the	DT
39142	2065	19	canals	canal	NNS
39142	2065	20	,	,	,
39142	2065	21	especially	especially	RB
39142	2065	22	if	if	IN
39142	2065	23	we	-PRON-	PRP
39142	2065	24	regard	regard	VBP
39142	2065	25	Mars	Mars	NNP
39142	2065	26	as	as	IN
39142	2065	27	a	a	DT
39142	2065	28	world	world	NN
39142	2065	29	farther	farther	RB
39142	2065	30	advanced	advance	VBD
39142	2065	31	in	in	IN
39142	2065	32	its	-PRON-	PRP$
39142	2065	33	life	life	NN
39142	2065	34	history	history	NN
39142	2065	35	than	than	IN
39142	2065	36	our	-PRON-	PRP$
39142	2065	37	own	own	JJ
39142	2065	38	.	.	.
39142	2066	1	Erosion	erosion	NN
39142	2066	2	may	may	MD
39142	2066	3	have	have	VB
39142	2066	4	worn	wear	VBN
39142	2066	5	the	the	DT
39142	2066	6	continents	continent	NNS
39142	2066	7	down	down	RP
39142	2066	8	to	to	IN
39142	2066	9	their	-PRON-	PRP$
39142	2066	10	minimum	minimum	NN
39142	2066	11	elevation	elevation	NN
39142	2066	12	,	,	,
39142	2066	13	rendering	render	VBG
39142	2066	14	artificial	artificial	JJ
39142	2066	15	waterways	waterway	NNS
39142	2066	16	not	not	RB
39142	2066	17	difficult	difficult	JJ
39142	2066	18	to	to	TO
39142	2066	19	build	build	VB
39142	2066	20	;	;	:
39142	2066	21	while	while	IN
39142	2066	22	with	with	IN
39142	2066	23	the	the	DT
39142	2066	24	vanishing	vanish	VBG
39142	2066	25	Martian	martian	JJ
39142	2066	26	atmosphere	atmosphere	NN
39142	2066	27	and	and	CC
39142	2066	28	absence	absence	NN
39142	2066	29	of	of	IN
39142	2066	30	rains	rain	NNS
39142	2066	31	,	,	,
39142	2066	32	the	the	DT
39142	2066	33	necessity	necessity	NN
39142	2066	34	of	of	IN
39142	2066	35	water	water	NN
39142	2066	36	for	for	IN
39142	2066	37	the	the	DT
39142	2066	38	support	support	NN
39142	2066	39	of	of	IN
39142	2066	40	animal	animal	NN
39142	2066	41	and	and	CC
39142	2066	42	vegetal	vegetal	JJ
39142	2066	43	life	life	NN
39142	2066	44	could	could	MD
39142	2066	45	only	only	RB
39142	2066	46	be	be	VB
39142	2066	47	met	meet	VBN
39142	2066	48	by	by	IN
39142	2066	49	conducting	conduct	VBG
39142	2066	50	it	-PRON-	PRP
39142	2066	51	in	in	IN
39142	2066	52	artificial	artificial	JJ
39142	2066	53	channels	channel	NNS
39142	2066	54	from	from	IN
39142	2066	55	one	one	CD
39142	2066	56	region	region	NN
39142	2066	57	of	of	IN
39142	2066	58	the	the	DT
39142	2066	59	planet	planet	NN
39142	2066	60	to	to	IN
39142	2066	61	another	another	DT
39142	2066	62	.	.	.
39142	2067	1	Interesting	interesting	JJ
39142	2067	2	as	as	IN
39142	2067	3	this	this	DT
39142	2067	4	speculative	speculative	JJ
39142	2067	5	interpretation	interpretation	NN
39142	2067	6	is	be	VBZ
39142	2067	7	,	,	,
39142	2067	8	however	however	RB
39142	2067	9	,	,	,
39142	2067	10	we	-PRON-	PRP
39142	2067	11	can	can	MD
39142	2067	12	not	not	RB
39142	2067	13	pass	pass	VB
39142	2067	14	by	by	IN
39142	2067	15	the	the	DT
39142	2067	16	fact	fact	NN
39142	2067	17	that	that	IN
39142	2067	18	many	many	JJ
39142	2067	19	competent	competent	JJ
39142	2067	20	astronomers	astronomer	NNS
39142	2067	21	with	with	IN
39142	2067	22	excellent	excellent	JJ
39142	2067	23	instruments	instrument	NNS
39142	2067	24	finely	finely	RB
39142	2067	25	located	locate	VBN
39142	2067	26	have	have	VBP
39142	2067	27	been	be	VBN
39142	2067	28	unable	unable	JJ
39142	2067	29	to	to	TO
39142	2067	30	see	see	VB
39142	2067	31	the	the	DT
39142	2067	32	canals	canal	NNS
39142	2067	33	,	,	,
39142	2067	34	and	and	CC
39142	2067	35	therefore	therefore	RB
39142	2067	36	think	think	VBP
39142	2067	37	the	the	DT
39142	2067	38	astronomers	astronomer	NNS
39142	2067	39	who	who	WP
39142	2067	40	do	do	VBP
39142	2067	41	see	see	VB
39142	2067	42	them	-PRON-	PRP
39142	2067	43	are	be	VBP
39142	2067	44	deceived	deceive	VBN
39142	2067	45	in	in	IN
39142	2067	46	some	some	DT
39142	2067	47	way	way	NN
39142	2067	48	.	.	.
39142	2068	1	Also	also	RB
39142	2068	2	many	many	JJ
39142	2068	3	other	other	JJ
39142	2068	4	astronomers	astronomer	NNS
39142	2068	5	,	,	,
39142	2068	6	perhaps	perhaps	RB
39142	2068	7	on	on	IN
39142	2068	8	insufficient	insufficient	JJ
39142	2068	9	grounds	ground	NNS
39142	2068	10	,	,	,
39142	2068	11	deny	deny	VB
39142	2068	12	their	-PRON-	PRP$
39142	2068	13	existence	existence	NN
39142	2068	14	_	_	NNP
39142	2068	15	in	in	IN
39142	2068	16	toto	toto	NN
39142	2068	17	_	_	NNP
39142	2068	18	.	.	.
39142	2069	1	Many	many	JJ
39142	2069	2	patient	patient	JJ
39142	2069	3	years	year	NNS
39142	2069	4	of	of	IN
39142	2069	5	labor	labor	NN
39142	2069	6	would	would	MD
39142	2069	7	be	be	VB
39142	2069	8	required	require	VBN
39142	2069	9	to	to	TO
39142	2069	10	consult	consult	VB
39142	2069	11	all	all	PDT
39142	2069	12	the	the	DT
39142	2069	13	literature	literature	NN
39142	2069	14	of	of	IN
39142	2069	15	investigation	investigation	NN
39142	2069	16	of	of	IN
39142	2069	17	the	the	DT
39142	2069	18	planet	planet	NN
39142	2069	19	Mars	Mars	NNP
39142	2069	20	,	,	,
39142	2069	21	but	but	CC
39142	2069	22	much	much	JJ
39142	2069	23	of	of	IN
39142	2069	24	the	the	DT
39142	2069	25	detail	detail	NN
39142	2069	26	has	have	VBZ
39142	2069	27	been	be	VBN
39142	2069	28	critically	critically	RB
39142	2069	29	embodied	embody	VBN
39142	2069	30	in	in	IN
39142	2069	31	maps	map	NNS
39142	2069	32	at	at	IN
39142	2069	33	different	different	JJ
39142	2069	34	epochs	epoch	NNS
39142	2069	35	,	,	,
39142	2069	36	by	by	IN
39142	2069	37	Kayser	Kayser	NNP
39142	2069	38	,	,	,
39142	2069	39	Proctor	Proctor	NNP
39142	2069	40	,	,	,
39142	2069	41	Green	Green	NNP
39142	2069	42	,	,	,
39142	2069	43	and	and	CC
39142	2069	44	Dreyer	Dreyer	NNP
39142	2069	45	.	.	.
39142	2070	1	And	and	CC
39142	2070	2	Flammarion	Flammarion	NNP
39142	2070	3	in	in	IN
39142	2070	4	two	two	CD
39142	2070	5	classic	classic	JJ
39142	2070	6	volumes	volume	NNS
39142	2070	7	on	on	IN
39142	2070	8	Mars	Mars	NNP
39142	2070	9	has	have	VBZ
39142	2070	10	presented	present	VBN
39142	2070	11	all	all	PDT
39142	2070	12	the	the	DT
39142	2070	13	observations	observation	NNS
39142	2070	14	from	from	IN
39142	2070	15	the	the	DT
39142	2070	16	earliest	early	JJS
39142	2070	17	time	time	NN
39142	2070	18	,	,	,
39142	2070	19	together	together	RB
39142	2070	20	with	with	IN
39142	2070	21	his	-PRON-	PRP$
39142	2070	22	own	own	JJ
39142	2070	23	interpretation	interpretation	NN
39142	2070	24	of	of	IN
39142	2070	25	them	-PRON-	PRP
39142	2070	26	.	.	.
39142	2071	1	Areography	areography	NN
39142	2071	2	is	be	VBZ
39142	2071	3	a	a	DT
39142	2071	4	term	term	NN
39142	2071	5	sometimes	sometimes	RB
39142	2071	6	applied	apply	VBN
39142	2071	7	to	to	IN
39142	2071	8	a	a	DT
39142	2071	9	description	description	NN
39142	2071	10	of	of	IN
39142	2071	11	the	the	DT
39142	2071	12	surface	surface	NN
39142	2071	13	of	of	IN
39142	2071	14	Mars	Mars	NNP
39142	2071	15	,	,	,
39142	2071	16	and	and	CC
39142	2071	17	it	-PRON-	PRP
39142	2071	18	is	be	VBZ
39142	2071	19	scarcely	scarcely	RB
39142	2071	20	an	an	DT
39142	2071	21	exaggeration	exaggeration	NN
39142	2071	22	to	to	TO
39142	2071	23	say	say	VB
39142	2071	24	that	that	IN
39142	2071	25	areography	areography	NN
39142	2071	26	is	be	VBZ
39142	2071	27	now	now	RB
39142	2071	28	better	well	RBR
39142	2071	29	known	know	VBN
39142	2071	30	than	than	IN
39142	2071	31	the	the	DT
39142	2071	32	geography	geography	NN
39142	2071	33	of	of	IN
39142	2071	34	immense	immense	JJ
39142	2071	35	tracts	tract	NNS
39142	2071	36	of	of	IN
39142	2071	37	the	the	DT
39142	2071	38	earth	earth	NN
39142	2071	39	.	.	.
39142	2072	1	For	for	IN
39142	2072	2	some	some	DT
39142	2072	3	reason	reason	NN
39142	2072	4	well	well	RB
39142	2072	5	recognized	recognize	VBN
39142	2072	6	,	,	,
39142	2072	7	though	though	IN
39142	2072	8	not	not	RB
39142	2072	9	at	at	RB
39142	2072	10	all	all	RB
39142	2072	11	well	well	RB
39142	2072	12	understood	understand	VBN
39142	2072	13	,	,	,
39142	2072	14	Mars	Mars	NNP
39142	2072	15	although	although	IN
39142	2072	16	the	the	DT
39142	2072	17	nearest	near	JJS
39142	2072	18	of	of	IN
39142	2072	19	all	all	PDT
39142	2072	20	the	the	DT
39142	2072	21	planets	planet	NNS
39142	2072	22	,	,	,
39142	2072	23	Venus	Venus	NNP
39142	2072	24	alone	alone	RB
39142	2072	25	excepted	except	VBD
39142	2072	26	,	,	,
39142	2072	27	is	be	VBZ
39142	2072	28	an	an	DT
39142	2072	29	object	object	NN
39142	2072	30	by	by	IN
39142	2072	31	no	no	DT
39142	2072	32	means	means	NN
39142	2072	33	easy	easy	JJ
39142	2072	34	to	to	TO
39142	2072	35	observe	observe	VB
39142	2072	36	with	with	IN
39142	2072	37	the	the	DT
39142	2072	38	telescope	telescope	NN
39142	2072	39	.	.	.
39142	2073	1	Possibly	possibly	RB
39142	2073	2	its	-PRON-	PRP$
39142	2073	3	unusual	unusual	JJ
39142	2073	4	tint	tint	NN
39142	2073	5	has	have	VBZ
39142	2073	6	something	something	NN
39142	2073	7	to	to	TO
39142	2073	8	do	do	VB
39142	2073	9	with	with	IN
39142	2073	10	this	this	DT
39142	2073	11	.	.	.
39142	2074	1	With	with	IN
39142	2074	2	an	an	DT
39142	2074	3	ordinary	ordinary	JJ
39142	2074	4	opera	opera	NN
39142	2074	5	glass	glass	NN
39142	2074	6	examine	examine	VB
39142	2074	7	the	the	DT
39142	2074	8	moon	moon	NN
39142	2074	9	very	very	RB
39142	2074	10	closely	closely	RB
39142	2074	11	,	,	,
39142	2074	12	and	and	CC
39142	2074	13	try	try	VB
39142	2074	14	to	to	TO
39142	2074	15	settle	settle	VB
39142	2074	16	precise	precise	JJ
39142	2074	17	markings	marking	NNS
39142	2074	18	,	,	,
39142	2074	19	colors	color	NNS
39142	2074	20	,	,	,
39142	2074	21	and	and	CC
39142	2074	22	the	the	DT
39142	2074	23	nature	nature	NN
39142	2074	24	of	of	IN
39142	2074	25	objects	object	NNS
39142	2074	26	on	on	IN
39142	2074	27	her	-PRON-	PRP$
39142	2074	28	surface	surface	NN
39142	2074	29	;	;	:
39142	2074	30	Mars	Mars	NNP
39142	2074	31	under	under	IN
39142	2074	32	the	the	DT
39142	2074	33	best	good	JJS
39142	2074	34	conditions	condition	NNS
39142	2074	35	,	,	,
39142	2074	36	scrutinized	scrutinize	VBN
39142	2074	37	with	with	IN
39142	2074	38	our	-PRON-	PRP$
39142	2074	39	largest	large	JJS
39142	2074	40	and	and	CC
39142	2074	41	best	good	JJS
39142	2074	42	telescope	telescope	NN
39142	2074	43	,	,	,
39142	2074	44	presents	present	VBZ
39142	2074	45	a	a	DT
39142	2074	46	problem	problem	NN
39142	2074	47	of	of	IN
39142	2074	48	about	about	RB
39142	2074	49	the	the	DT
39142	2074	50	same	same	JJ
39142	2074	51	order	order	NN
39142	2074	52	of	of	IN
39142	2074	53	difficulty	difficulty	NN
39142	2074	54	.	.	.
39142	2075	1	There	there	EX
39142	2075	2	are	be	VBP
39142	2075	3	delicate	delicate	JJ
39142	2075	4	and	and	CC
39142	2075	5	changing	change	VBG
39142	2075	6	local	local	JJ
39142	2075	7	colors	color	NNS
39142	2075	8	that	that	WDT
39142	2075	9	add	add	VBP
39142	2075	10	much	much	JJ
39142	2075	11	uncertainty	uncertainty	NN
39142	2075	12	.	.	.
39142	2076	1	Nevertheless	nevertheless	RB
39142	2076	2	,	,	,
39142	2076	3	the	the	DT
39142	2076	4	planet	planet	NN
39142	2076	5	's	's	POS
39142	2076	6	leading	leading	JJ
39142	2076	7	features	feature	NNS
39142	2076	8	are	be	VBP
39142	2076	9	well	well	RB
39142	2076	10	made	make	VBN
39142	2076	11	out	out	RP
39142	2076	12	,	,	,
39142	2076	13	and	and	CC
39142	2076	14	their	-PRON-	PRP$
39142	2076	15	stability	stability	NN
39142	2076	16	since	since	IN
39142	2076	17	the	the	DT
39142	2076	18	time	time	NN
39142	2076	19	of	of	IN
39142	2076	20	the	the	DT
39142	2076	21	earliest	early	JJS
39142	2076	22	observers	observer	NNS
39142	2076	23	leaves	leave	VBZ
39142	2076	24	no	no	DT
39142	2076	25	room	room	NN
39142	2076	26	to	to	TO
39142	2076	27	doubt	doubt	VB
39142	2076	28	their	-PRON-	PRP$
39142	2076	29	reality	reality	NN
39142	2076	30	as	as	IN
39142	2076	31	parts	part	NNS
39142	2076	32	of	of	IN
39142	2076	33	a	a	DT
39142	2076	34	permanent	permanent	JJ
39142	2076	35	planetary	planetary	NN
39142	2076	36	crust	crust	NN
39142	2076	37	.	.	.
39142	2077	1	The	the	DT
39142	2077	2	border	border	NN
39142	2077	3	of	of	IN
39142	2077	4	the	the	DT
39142	2077	5	Martian	martian	JJ
39142	2077	6	disk	disk	NN
39142	2077	7	is	be	VBZ
39142	2077	8	brighter	bright	JJR
39142	2077	9	than	than	IN
39142	2077	10	the	the	DT
39142	2077	11	interior	interior	NN
39142	2077	12	,	,	,
39142	2077	13	but	but	CC
39142	2077	14	this	this	DT
39142	2077	15	brightness	brightness	NN
39142	2077	16	is	be	VBZ
39142	2077	17	far	far	RB
39142	2077	18	from	from	IN
39142	2077	19	uniform	uniform	NN
39142	2077	20	.	.	.
39142	2078	1	Variations	variation	NNS
39142	2078	2	in	in	IN
39142	2078	3	the	the	DT
39142	2078	4	color	color	NN
39142	2078	5	of	of	IN
39142	2078	6	the	the	DT
39142	2078	7	markings	marking	NNS
39142	2078	8	often	often	RB
39142	2078	9	depend	depend	VBP
39142	2078	10	on	on	IN
39142	2078	11	the	the	DT
39142	2078	12	planet	planet	NN
39142	2078	13	's	's	POS
39142	2078	14	turning	turning	NN
39142	2078	15	round	round	NN
39142	2078	16	on	on	IN
39142	2078	17	its	-PRON-	PRP$
39142	2078	18	axis	axis	NN
39142	2078	19	,	,	,
39142	2078	20	and	and	CC
39142	2078	21	the	the	DT
39142	2078	22	relation	relation	NN
39142	2078	23	of	of	IN
39142	2078	24	the	the	DT
39142	2078	25	surface	surface	NN
39142	2078	26	to	to	IN
39142	2078	27	our	-PRON-	PRP$
39142	2078	28	angle	angle	NN
39142	2078	29	of	of	IN
39142	2078	30	vision	vision	NN
39142	2078	31	.	.	.
39142	2079	1	If	if	IN
39142	2079	2	we	-PRON-	PRP
39142	2079	3	keep	keep	VBP
39142	2079	4	in	in	IN
39142	2079	5	mind	mind	NN
39142	2079	6	these	these	DT
39142	2079	7	obstacles	obstacle	NNS
39142	2079	8	to	to	TO
39142	2079	9	perfect	perfect	VB
39142	2079	10	vision	vision	NN
39142	2079	11	in	in	IN
39142	2079	12	our	-PRON-	PRP$
39142	2079	13	own	own	JJ
39142	2079	14	day	day	NN
39142	2079	15	,	,	,
39142	2079	16	it	-PRON-	PRP
39142	2079	17	is	be	VBZ
39142	2079	18	easy	easy	JJ
39142	2079	19	to	to	TO
39142	2079	20	see	see	VB
39142	2079	21	why	why	WRB
39142	2079	22	the	the	DT
39142	2079	23	early	early	JJ
39142	2079	24	users	user	NNS
39142	2079	25	of	of	IN
39142	2079	26	very	very	RB
39142	2079	27	imperfect	imperfect	JJ
39142	2079	28	telescopes	telescope	NNS
39142	2079	29	failed	fail	VBD
39142	2079	30	to	to	TO
39142	2079	31	see	see	VB
39142	2079	32	very	very	RB
39142	2079	33	much	much	RB
39142	2079	34	,	,	,
39142	2079	35	and	and	CC
39142	2079	36	were	be	VBD
39142	2079	37	misled	mislead	VBN
39142	2079	38	by	by	IN
39142	2079	39	much	much	RB
39142	2079	40	that	that	IN
39142	2079	41	they	-PRON-	PRP
39142	2079	42	thought	think	VBD
39142	2079	43	they	-PRON-	PRP
39142	2079	44	saw	see	VBD
39142	2079	45	.	.	.
39142	2080	1	Then	then	RB
39142	2080	2	,	,	,
39142	2080	3	too	too	RB
39142	2080	4	,	,	,
39142	2080	5	they	-PRON-	PRP
39142	2080	6	had	have	VBD
39142	2080	7	to	to	TO
39142	2080	8	contend	contend	VB
39142	2080	9	,	,	,
39142	2080	10	as	as	IN
39142	2080	11	we	-PRON-	PRP
39142	2080	12	do	do	VBP
39142	2080	13	,	,	,
39142	2080	14	with	with	IN
39142	2080	15	unsteadiness	unsteadiness	NN
39142	2080	16	of	of	IN
39142	2080	17	atmosphere	atmosphere	NN
39142	2080	18	,	,	,
39142	2080	19	which	which	WDT
39142	2080	20	is	be	VBZ
39142	2080	21	least	least	RBS
39142	2080	22	troublesome	troublesome	JJ
39142	2080	23	near	near	IN
39142	2080	24	the	the	DT
39142	2080	25	zenith	zenith	NN
39142	2080	26	.	.	.
39142	2081	1	As	as	IN
39142	2081	2	their	-PRON-	PRP$
39142	2081	3	telescopes	telescope	NNS
39142	2081	4	were	be	VBD
39142	2081	5	all	all	DT
39142	2081	6	located	locate	VBN
39142	2081	7	in	in	IN
39142	2081	8	the	the	DT
39142	2081	9	northern	northern	JJ
39142	2081	10	hemisphere	hemisphere	NN
39142	2081	11	,	,	,
39142	2081	12	the	the	DT
39142	2081	13	northern	northern	JJ
39142	2081	14	hemisphere	hemisphere	NN
39142	2081	15	of	of	IN
39142	2081	16	Mars	Mars	NNP
39142	2081	17	is	be	VBZ
39142	2081	18	the	the	DT
39142	2081	19	one	one	CD
39142	2081	20	best	well	RBS
39142	2081	21	circumstanced	circumstance	VBD
39142	2081	22	for	for	IN
39142	2081	23	their	-PRON-	PRP$
39142	2081	24	investigation	investigation	NN
39142	2081	25	;	;	:
39142	2081	26	because	because	IN
39142	2081	27	at	at	IN
39142	2081	28	the	the	DT
39142	2081	29	remote	remote	JJ
39142	2081	30	oppositions	opposition	NNS
39142	2081	31	of	of	IN
39142	2081	32	Mars	Mars	NNP
39142	2081	33	,	,	,
39142	2081	34	which	which	WDT
39142	2081	35	always	always	RB
39142	2081	36	happen	happen	VBP
39142	2081	37	in	in	IN
39142	2081	38	our	-PRON-	PRP$
39142	2081	39	northern	northern	JJ
39142	2081	40	winter	winter	NN
39142	2081	41	with	with	IN
39142	2081	42	the	the	DT
39142	2081	43	planet	planet	NN
39142	2081	44	in	in	IN
39142	2081	45	high	high	JJ
39142	2081	46	north	north	NN
39142	2081	47	declination	declination	NN
39142	2081	48	,	,	,
39142	2081	49	it	-PRON-	PRP
39142	2081	50	is	be	VBZ
39142	2081	51	always	always	RB
39142	2081	52	the	the	DT
39142	2081	53	north	north	JJ
39142	2081	54	pole	pole	NN
39142	2081	55	of	of	IN
39142	2081	56	Mars	Mars	NNP
39142	2081	57	which	which	WDT
39142	2081	58	is	be	VBZ
39142	2081	59	presented	present	VBN
39142	2081	60	to	to	IN
39142	2081	61	our	-PRON-	PRP$
39142	2081	62	view	view	NN
39142	2081	63	.	.	.
39142	2082	1	Whereas	whereas	IN
39142	2082	2	the	the	DT
39142	2082	3	close	close	JJ
39142	2082	4	oppositions	opposition	NNS
39142	2082	5	of	of	IN
39142	2082	6	the	the	DT
39142	2082	7	planet	planet	NN
39142	2082	8	always	always	RB
39142	2082	9	come	come	VB
39142	2082	10	in	in	IN
39142	2082	11	our	-PRON-	PRP$
39142	2082	12	northern	northern	JJ
39142	2082	13	midsummer	midsummer	NN
39142	2082	14	,	,	,
39142	2082	15	with	with	IN
39142	2082	16	Mars	Mars	NNP
39142	2082	17	in	in	IN
39142	2082	18	south	south	JJ
39142	2082	19	declination	declination	NN
39142	2082	20	and	and	CC
39142	2082	21	therefore	therefore	RB
39142	2082	22	passing	pass	VBG
39142	2082	23	through	through	IN
39142	2082	24	the	the	DT
39142	2082	25	zenith	zenith	NN
39142	2082	26	of	of	IN
39142	2082	27	places	place	NNS
39142	2082	28	in	in	IN
39142	2082	29	corresponding	correspond	VBG
39142	2082	30	south	south	JJ
39142	2082	31	latitude	latitude	NN
39142	2082	32	.	.	.
39142	2083	1	With	with	IN
39142	2083	2	Mars	Mars	NNP
39142	2083	3	near	near	IN
39142	2083	4	opposition	opposition	NN
39142	2083	5	,	,	,
39142	2083	6	high	high	JJ
39142	2083	7	up	up	RB
39142	2083	8	from	from	IN
39142	2083	9	the	the	DT
39142	2083	10	horizon	horizon	NN
39142	2083	11	,	,	,
39142	2083	12	a	a	DT
39142	2083	13	fairly	fairly	RB
39142	2083	14	steady	steady	JJ
39142	2083	15	atmosphere	atmosphere	NN
39142	2083	16	,	,	,
39142	2083	17	and	and	CC
39142	2083	18	a	a	DT
39142	2083	19	magnifying	magnify	VBG
39142	2083	20	power	power	NN
39142	2083	21	of	of	IN
39142	2083	22	at	at	RB
39142	2083	23	least	least	RBS
39142	2083	24	200	200	CD
39142	2083	25	diameters	diameter	NNS
39142	2083	26	,	,	,
39142	2083	27	even	even	RB
39142	2083	28	the	the	DT
39142	2083	29	most	most	RBS
39142	2083	30	casual	casual	JJ
39142	2083	31	observer	observer	NN
39142	2083	32	could	could	MD
39142	2083	33	not	not	RB
39142	2083	34	fail	fail	VB
39142	2083	35	to	to	TO
39142	2083	36	notice	notice	VB
39142	2083	37	the	the	DT
39142	2083	38	striking	strike	VBG
39142	2083	39	difference	difference	NN
39142	2083	40	in	in	IN
39142	2083	41	brightness	brightness	NN
39142	2083	42	of	of	IN
39142	2083	43	the	the	DT
39142	2083	44	two	two	CD
39142	2083	45	hemispheres	hemisphere	NNS
39142	2083	46	:	:	:
39142	2083	47	the	the	DT
39142	2083	48	northern	northern	JJ
39142	2083	49	chiefly	chiefly	RB
39142	2083	50	bright	bright	JJ
39142	2083	51	and	and	CC
39142	2083	52	the	the	DT
39142	2083	53	southern	southern	JJ
39142	2083	54	markedly	markedly	RB
39142	2083	55	dark	dark	JJ
39142	2083	56	.	.	.
39142	2084	1	Formerly	formerly	RB
39142	2084	2	this	this	DT
39142	2084	3	was	be	VBD
39142	2084	4	thought	think	VBN
39142	2084	5	to	to	TO
39142	2084	6	indicate	indicate	VB
39142	2084	7	that	that	IN
39142	2084	8	the	the	DT
39142	2084	9	southern	southern	JJ
39142	2084	10	hemisphere	hemisphere	NN
39142	2084	11	of	of	IN
39142	2084	12	Mars	Mars	NNP
39142	2084	13	was	be	VBD
39142	2084	14	chiefly	chiefly	RB
39142	2084	15	water	water	NN
39142	2084	16	and	and	CC
39142	2084	17	the	the	DT
39142	2084	18	northern	northern	JJ
39142	2084	19	land	land	NN
39142	2084	20	,	,	,
39142	2084	21	much	much	RB
39142	2084	22	as	as	IN
39142	2084	23	is	be	VBZ
39142	2084	24	the	the	DT
39142	2084	25	case	case	NN
39142	2084	26	on	on	IN
39142	2084	27	the	the	DT
39142	2084	28	earth	earth	NN
39142	2084	29	:	:	:
39142	2084	30	with	with	IN
39142	2084	31	this	this	DT
39142	2084	32	difference	difference	NN
39142	2084	33	,	,	,
39142	2084	34	however	however	RB
39142	2084	35	,	,	,
39142	2084	36	that	that	DT
39142	2084	37	water	water	NN
39142	2084	38	and	and	CC
39142	2084	39	land	land	NN
39142	2084	40	on	on	IN
39142	2084	41	the	the	DT
39142	2084	42	earth	earth	NN
39142	2084	43	are	be	VBP
39142	2084	44	proportioned	proportion	VBN
39142	2084	45	about	about	IN
39142	2084	46	as	as	IN
39142	2084	47	eleven	eleven	CD
39142	2084	48	to	to	IN
39142	2084	49	four	four	CD
39142	2084	50	.	.	.
39142	2085	1	But	but	CC
39142	2085	2	Mars	Mars	NNP
39142	2085	3	in	in	IN
39142	2085	4	its	-PRON-	PRP$
39142	2085	5	general	general	JJ
39142	2085	6	topography	topography	NN
39142	2085	7	presents	present	VBZ
39142	2085	8	no	no	DT
39142	2085	9	analogy	analogy	NN
39142	2085	10	with	with	IN
39142	2085	11	the	the	DT
39142	2085	12	present	present	JJ
39142	2085	13	relation	relation	NN
39142	2085	14	of	of	IN
39142	2085	15	land	land	NN
39142	2085	16	and	and	CC
39142	2085	17	water	water	NN
39142	2085	18	on	on	IN
39142	2085	19	the	the	DT
39142	2085	20	earth	earth	NN
39142	2085	21	.	.	.
39142	2086	1	There	there	EX
39142	2086	2	seems	seem	VBZ
39142	2086	3	no	no	DT
39142	2086	4	reason	reason	NN
39142	2086	5	to	to	TO
39142	2086	6	doubt	doubt	VB
39142	2086	7	that	that	IN
39142	2086	8	the	the	DT
39142	2086	9	northern	northern	JJ
39142	2086	10	regions	region	NNS
39142	2086	11	with	with	IN
39142	2086	12	their	-PRON-	PRP$
39142	2086	13	prevailing	prevail	VBG
39142	2086	14	orange	orange	NN
39142	2086	15	tint	tint	NN
39142	2086	16	,	,	,
39142	2086	17	in	in	IN
39142	2086	18	some	some	DT
39142	2086	19	places	place	NNS
39142	2086	20	a	a	DT
39142	2086	21	dark	dark	JJ
39142	2086	22	red	red	NN
39142	2086	23	and	and	CC
39142	2086	24	in	in	IN
39142	2086	25	others	other	NNS
39142	2086	26	fading	fade	VBG
39142	2086	27	to	to	IN
39142	2086	28	yellow	yellow	JJ
39142	2086	29	and	and	CC
39142	2086	30	white	white	JJ
39142	2086	31	,	,	,
39142	2086	32	are	be	VBP
39142	2086	33	really	really	RB
39142	2086	34	continental	continental	JJ
39142	2086	35	in	in	IN
39142	2086	36	character	character	NN
39142	2086	37	.	.	.
39142	2087	1	Other	other	JJ
39142	2087	2	vast	vast	JJ
39142	2087	3	regions	region	NNS
39142	2087	4	of	of	IN
39142	2087	5	the	the	DT
39142	2087	6	Martian	martian	JJ
39142	2087	7	surface	surface	NN
39142	2087	8	are	be	VBP
39142	2087	9	possibly	possibly	RB
39142	2087	10	marshy	marshy	JJ
39142	2087	11	,	,	,
39142	2087	12	the	the	DT
39142	2087	13	varying	vary	VBG
39142	2087	14	depth	depth	NN
39142	2087	15	of	of	IN
39142	2087	16	water	water	NN
39142	2087	17	causing	cause	VBG
39142	2087	18	the	the	DT
39142	2087	19	diversity	diversity	NN
39142	2087	20	of	of	IN
39142	2087	21	color	color	NN
39142	2087	22	.	.	.
39142	2088	1	If	if	IN
39142	2088	2	we	-PRON-	PRP
39142	2088	3	could	could	MD
39142	2088	4	ever	ever	RB
39142	2088	5	catch	catch	VB
39142	2088	6	a	a	DT
39142	2088	7	reflection	reflection	NN
39142	2088	8	of	of	IN
39142	2088	9	sunlight	sunlight	NN
39142	2088	10	from	from	IN
39142	2088	11	any	any	DT
39142	2088	12	part	part	NN
39142	2088	13	of	of	IN
39142	2088	14	the	the	DT
39142	2088	15	surface	surface	NN
39142	2088	16	of	of	IN
39142	2088	17	Mars	Mars	NNP
39142	2088	18	,	,	,
39142	2088	19	we	-PRON-	PRP
39142	2088	20	might	may	MD
39142	2088	21	conclude	conclude	VB
39142	2088	22	that	that	IN
39142	2088	23	deep	deep	JJ
39142	2088	24	water	water	NN
39142	2088	25	exists	exist	VBZ
39142	2088	26	on	on	IN
39142	2088	27	the	the	DT
39142	2088	28	planet	planet	NN
39142	2088	29	;	;	:
39142	2088	30	but	but	CC
39142	2088	31	the	the	DT
39142	2088	32	farther	farther	JJ
39142	2088	33	research	research	NN
39142	2088	34	progresses	progress	VBZ
39142	2088	35	,	,	,
39142	2088	36	the	the	DT
39142	2088	37	more	more	RBR
39142	2088	38	complete	complete	JJ
39142	2088	39	becomes	become	VBZ
39142	2088	40	the	the	DT
39142	2088	41	evidence	evidence	NN
39142	2088	42	that	that	IN
39142	2088	43	permanent	permanent	JJ
39142	2088	44	water	water	NN
39142	2088	45	areas	area	NNS
39142	2088	46	on	on	IN
39142	2088	47	Mars	Mars	NNP
39142	2088	48	,	,	,
39142	2088	49	if	if	IN
39142	2088	50	they	-PRON-	PRP
39142	2088	51	exist	exist	VBP
39142	2088	52	at	at	RB
39142	2088	53	all	all	RB
39142	2088	54	,	,	,
39142	2088	55	are	be	VBP
39142	2088	56	extremely	extremely	RB
39142	2088	57	limited	limited	JJ
39142	2088	58	.	.	.
39142	2089	1	Since	since	IN
39142	2089	2	1877	1877	CD
39142	2089	3	Mars	Mars	NNP
39142	2089	4	has	have	VBZ
39142	2089	5	been	be	VBN
39142	2089	6	known	know	VBN
39142	2089	7	to	to	TO
39142	2089	8	possess	possess	VB
39142	2089	9	two	two	CD
39142	2089	10	satellites	satellite	NNS
39142	2089	11	,	,	,
39142	2089	12	which	which	WDT
39142	2089	13	were	be	VBD
39142	2089	14	discovered	discover	VBN
39142	2089	15	in	in	IN
39142	2089	16	August	August	NNP
39142	2089	17	of	of	IN
39142	2089	18	that	that	DT
39142	2089	19	year	year	NN
39142	2089	20	by	by	IN
39142	2089	21	Hall	Hall	NNP
39142	2089	22	at	at	IN
39142	2089	23	Washington	Washington	NNP
39142	2089	24	.	.	.
39142	2090	1	Moons	moon	NNS
39142	2090	2	of	of	IN
39142	2090	3	this	this	DT
39142	2090	4	planet	planet	NN
39142	2090	5	had	have	VBD
39142	2090	6	long	long	RB
39142	2090	7	been	be	VBN
39142	2090	8	suspected	suspect	VBN
39142	2090	9	to	to	TO
39142	2090	10	exist	exist	VB
39142	2090	11	and	and	CC
39142	2090	12	on	on	IN
39142	2090	13	one	one	CD
39142	2090	14	or	or	CC
39142	2090	15	two	two	CD
39142	2090	16	previous	previous	JJ
39142	2090	17	occasions	occasion	NNS
39142	2090	18	critically	critically	RB
39142	2090	19	looked	look	VBD
39142	2090	20	for	for	IN
39142	2090	21	,	,	,
39142	2090	22	though	though	RB
39142	2090	23	without	without	IN
39142	2090	24	success	success	NN
39142	2090	25	.	.	.
39142	2091	1	In	in	IN
39142	2091	2	the	the	DT
39142	2091	3	writings	writing	NNS
39142	2091	4	of	of	IN
39142	2091	5	Dean	Dean	NNP
39142	2091	6	Swift	Swift	NNP
39142	2091	7	there	there	EX
39142	2091	8	is	be	VBZ
39142	2091	9	a	a	DT
39142	2091	10	fanciful	fanciful	JJ
39142	2091	11	allusion	allusion	NN
39142	2091	12	to	to	IN
39142	2091	13	the	the	DT
39142	2091	14	two	two	CD
39142	2091	15	moons	moon	NNS
39142	2091	16	of	of	IN
39142	2091	17	Mars	Mars	NNP
39142	2091	18	;	;	:
39142	2091	19	and	and	CC
39142	2091	20	if	if	IN
39142	2091	21	astronomers	astronomer	NNS
39142	2091	22	had	have	VBD
39142	2091	23	chanced	chance	VBN
39142	2091	24	to	to	TO
39142	2091	25	give	give	VB
39142	2091	26	serious	serious	JJ
39142	2091	27	attention	attention	NN
39142	2091	28	to	to	IN
39142	2091	29	this	this	DT
39142	2091	30	,	,	,
39142	2091	31	Phobos	Phobos	NNP
39142	2091	32	and	and	CC
39142	2091	33	Deimos	Deimos	NNP
39142	2091	34	,	,	,
39142	2091	35	as	as	IN
39142	2091	36	Hall	Hall	NNP
39142	2091	37	named	name	VBD
39142	2091	38	them	-PRON-	PRP
39142	2091	39	,	,	,
39142	2091	40	might	may	MD
39142	2091	41	have	have	VB
39142	2091	42	been	be	VBN
39142	2091	43	discovered	discover	VBN
39142	2091	44	long	long	RB
39142	2091	45	before	before	RB
39142	2091	46	.	.	.
39142	2092	1	They	-PRON-	PRP
39142	2092	2	are	be	VBP
39142	2092	3	very	very	RB
39142	2092	4	small	small	JJ
39142	2092	5	bodies	body	NNS
39142	2092	6	,	,	,
39142	2092	7	not	not	RB
39142	2092	8	only	only	RB
39142	2092	9	faint	faint	JJ
39142	2092	10	in	in	IN
39142	2092	11	the	the	DT
39142	2092	12	telescope	telescope	NN
39142	2092	13	,	,	,
39142	2092	14	but	but	CC
39142	2092	15	actually	actually	RB
39142	2092	16	of	of	IN
39142	2092	17	only	only	RB
39142	2092	18	ten	ten	CD
39142	2092	19	or	or	CC
39142	2092	20	twenty	twenty	CD
39142	2092	21	miles	mile	NNS
39142	2092	22	diameter	diameter	NN
39142	2092	23	;	;	:
39142	2092	24	and	and	CC
39142	2092	25	from	from	IN
39142	2092	26	the	the	DT
39142	2092	27	strange	strange	JJ
39142	2092	28	relation	relation	NN
39142	2092	29	that	that	WDT
39142	2092	30	Phobos	Phobos	NNP
39142	2092	31	,	,	,
39142	2092	32	the	the	DT
39142	2092	33	inner	inner	JJ
39142	2092	34	moon	moon	NN
39142	2092	35	,	,	,
39142	2092	36	moves	move	VBZ
39142	2092	37	round	round	IN
39142	2092	38	Mars	Mars	NNP
39142	2092	39	three	three	CD
39142	2092	40	times	time	NNS
39142	2092	41	while	while	IN
39142	2092	42	the	the	DT
39142	2092	43	planet	planet	NN
39142	2092	44	itself	-PRON-	PRP
39142	2092	45	is	be	VBZ
39142	2092	46	turning	turn	VBG
39142	2092	47	round	round	RB
39142	2092	48	only	only	RB
39142	2092	49	once	once	RB
39142	2092	50	on	on	IN
39142	2092	51	its	-PRON-	PRP$
39142	2092	52	axis	axis	NN
39142	2092	53	,	,	,
39142	2092	54	some	some	DT
39142	2092	55	astronomers	astronomer	NNS
39142	2092	56	incline	incline	VBP
39142	2092	57	to	to	IN
39142	2092	58	the	the	DT
39142	2092	59	hypothesis	hypothesis	NN
39142	2092	60	that	that	IN
39142	2092	61	this	this	DT
39142	2092	62	moon	moon	NN
39142	2092	63	at	at	RB
39142	2092	64	least	least	JJS
39142	2092	65	was	be	VBD
39142	2092	66	never	never	RB
39142	2092	67	part	part	NN
39142	2092	68	of	of	IN
39142	2092	69	Mars	Mars	NNP
39142	2092	70	itself	-PRON-	PRP
39142	2092	71	,	,	,
39142	2092	72	but	but	CC
39142	2092	73	that	that	IN
39142	2092	74	it	-PRON-	PRP
39142	2092	75	was	be	VBD
39142	2092	76	originally	originally	RB
39142	2092	77	an	an	DT
39142	2092	78	inner	inner	JJ
39142	2092	79	or	or	CC
39142	2092	80	very	very	RB
39142	2092	81	eccentric	eccentric	JJ
39142	2092	82	member	member	NN
39142	2092	83	of	of	IN
39142	2092	84	the	the	DT
39142	2092	85	asteroid	asteroid	NNP
39142	2092	86	group	group	NN
39142	2092	87	,	,	,
39142	2092	88	which	which	WDT
39142	2092	89	ventured	venture	VBD
39142	2092	90	within	within	IN
39142	2092	91	the	the	DT
39142	2092	92	sphere	sphere	NN
39142	2092	93	of	of	IN
39142	2092	94	gravitation	gravitation	NN
39142	2092	95	of	of	IN
39142	2092	96	Mars	Mars	NNP
39142	2092	97	,	,	,
39142	2092	98	was	be	VBD
39142	2092	99	captured	capture	VBN
39142	2092	100	by	by	IN
39142	2092	101	that	that	DT
39142	2092	102	planet	planet	NN
39142	2092	103	,	,	,
39142	2092	104	and	and	CC
39142	2092	105	has	have	VBZ
39142	2092	106	ever	ever	RB
39142	2092	107	since	since	IN
39142	2092	108	been	be	VBN
39142	2092	109	tributary	tributary	JJ
39142	2092	110	to	to	IN
39142	2092	111	it	-PRON-	PRP
39142	2092	112	as	as	IN
39142	2092	113	a	a	DT
39142	2092	114	secondary	secondary	JJ
39142	2092	115	body	body	NN
39142	2092	116	or	or	CC
39142	2092	117	satellite	satellite	NN
39142	2092	118	.	.	.
39142	2093	1	CHAPTER	chapter	NN
39142	2093	2	XXXIV	XXXIV	NNP
39142	2093	3	LIFE	life	NN
39142	2093	4	IN	in	IN
39142	2093	5	OTHER	other	JJ
39142	2093	6	WORLDS	WORLDS	NNP
39142	2093	7	Popular	popular	JJ
39142	2093	8	interest	interest	NN
39142	2093	9	in	in	IN
39142	2093	10	astronomy	astronomy	NN
39142	2093	11	is	be	VBZ
39142	2093	12	exceedingly	exceedingly	RB
39142	2093	13	wide	wide	JJ
39142	2093	14	,	,	,
39142	2093	15	but	but	CC
39142	2093	16	it	-PRON-	PRP
39142	2093	17	is	be	VBZ
39142	2093	18	very	very	RB
39142	2093	19	largely	largely	RB
39142	2093	20	confined	confine	VBN
39142	2093	21	to	to	IN
39142	2093	22	the	the	DT
39142	2093	23	idea	idea	NN
39142	2093	24	of	of	IN
39142	2093	25	resemblances	resemblance	NNS
39142	2093	26	and	and	CC
39142	2093	27	differences	difference	NNS
39142	2093	28	between	between	IN
39142	2093	29	our	-PRON-	PRP$
39142	2093	30	earth	earth	NN
39142	2093	31	and	and	CC
39142	2093	32	the	the	DT
39142	2093	33	bodies	body	NNS
39142	2093	34	of	of	IN
39142	2093	35	the	the	DT
39142	2093	36	sky	sky	NN
39142	2093	37	.	.	.
39142	2094	1	The	the	DT
39142	2094	2	question	question	NN
39142	2094	3	most	most	RBS
39142	2094	4	frequently	frequently	RB
39142	2094	5	asked	ask	VBD
39142	2094	6	the	the	DT
39142	2094	7	astronomer	astronomer	NN
39142	2094	8	is	be	VBZ
39142	2094	9	,	,	,
39142	2094	10	"	"	``
39142	2094	11	Have	have	VB
39142	2094	12	any	any	DT
39142	2094	13	of	of	IN
39142	2094	14	the	the	DT
39142	2094	15	stars	star	NNS
39142	2094	16	got	get	VBD
39142	2094	17	people	people	NNS
39142	2094	18	on	on	IN
39142	2094	19	them	-PRON-	PRP
39142	2094	20	?	?	.
39142	2094	21	"	"	''
39142	2095	1	Or	or	CC
39142	2095	2	more	more	RBR
39142	2095	3	specifically	specifically	RB
39142	2095	4	,	,	,
39142	2095	5	"	"	''
39142	2095	6	Is	be	VBZ
39142	2095	7	Mars	Mars	NNP
39142	2095	8	inhabited	inhabit	VBN
39142	2095	9	?	?	.
39142	2095	10	"	"	''
39142	2096	1	The	the	DT
39142	2096	2	average	average	JJ
39142	2096	3	questioner	questioner	NN
39142	2096	4	will	will	MD
39142	2096	5	not	not	RB
39142	2096	6	readily	readily	RB
39142	2096	7	be	be	VB
39142	2096	8	turned	turn	VBN
39142	2096	9	off	off	RP
39142	2096	10	with	with	IN
39142	2096	11	yes	yes	UH
39142	2096	12	or	or	CC
39142	2096	13	no	no	UH
39142	2096	14	for	for	IN
39142	2096	15	an	an	DT
39142	2096	16	answer	answer	NN
39142	2096	17	.	.	.
39142	2097	1	He	-PRON-	PRP
39142	2097	2	may	may	MD
39142	2097	3	or	or	CC
39142	2097	4	may	may	MD
39142	2097	5	not	not	RB
39142	2097	6	know	know	VB
39142	2097	7	that	that	IN
39142	2097	8	it	-PRON-	PRP
39142	2097	9	is	be	VBZ
39142	2097	10	quite	quite	RB
39142	2097	11	impossible	impossible	JJ
39142	2097	12	for	for	IN
39142	2097	13	astronomers	astronomer	NNS
39142	2097	14	to	to	TO
39142	2097	15	ascertain	ascertain	VB
39142	2097	16	anything	anything	NN
39142	2097	17	definite	definite	JJ
39142	2097	18	in	in	IN
39142	2097	19	this	this	DT
39142	2097	20	matter	matter	NN
39142	2097	21	,	,	,
39142	2097	22	most	most	RBS
39142	2097	23	interesting	interesting	JJ
39142	2097	24	as	as	IN
39142	2097	25	it	-PRON-	PRP
39142	2097	26	is	be	VBZ
39142	2097	27	.	.	.
39142	2098	1	What	what	WP
39142	2098	2	he	-PRON-	PRP
39142	2098	3	wants	want	VBZ
39142	2098	4	to	to	TO
39142	2098	5	find	find	VB
39142	2098	6	out	out	RP
39142	2098	7	is	be	VBZ
39142	2098	8	the	the	DT
39142	2098	9	view	view	NN
39142	2098	10	of	of	IN
39142	2098	11	the	the	DT
39142	2098	12	individual	individual	JJ
39142	2098	13	astronomer	astronomer	NN
39142	2098	14	on	on	IN
39142	2098	15	this	this	DT
39142	2098	16	absorbing	absorbing	NN
39142	2098	17	and	and	CC
39142	2098	18	ever	ever	RB
39142	2098	19	recurring	recur	VBG
39142	2098	20	inquiry	inquiry	NN
39142	2098	21	.	.	.
39142	2099	1	We	-PRON-	PRP
39142	2099	2	ought	ought	MD
39142	2099	3	first	first	RB
39142	2099	4	to	to	TO
39142	2099	5	understand	understand	VB
39142	2099	6	what	what	WP
39142	2099	7	is	be	VBZ
39142	2099	8	meant	mean	VBN
39142	2099	9	by	by	IN
39142	2099	10	the	the	DT
39142	2099	11	manifestation	manifestation	NN
39142	2099	12	here	here	RB
39142	2099	13	on	on	IN
39142	2099	14	the	the	DT
39142	2099	15	earth	earth	NN
39142	2099	16	called	call	VBN
39142	2099	17	life	life	NN
39142	2099	18	,	,	,
39142	2099	19	and	and	CC
39142	2099	20	agree	agree	VB
39142	2099	21	concerning	concern	VBG
39142	2099	22	the	the	DT
39142	2099	23	conditions	condition	NNS
39142	2099	24	that	that	WDT
39142	2099	25	render	render	VBP
39142	2099	26	it	-PRON-	PRP
39142	2099	27	possible	possible	JJ
39142	2099	28	.	.	.
39142	2100	1	Apparently	apparently	RB
39142	2100	2	they	-PRON-	PRP
39142	2100	3	are	be	VBP
39142	2100	4	very	very	RB
39142	2100	5	simple	simple	JJ
39142	2100	6	.	.	.
39142	2101	1	We	-PRON-	PRP
39142	2101	2	may	may	MD
39142	2101	3	or	or	CC
39142	2101	4	may	may	MD
39142	2101	5	not	not	RB
39142	2101	6	agree	agree	VB
39142	2101	7	that	that	IN
39142	2101	8	a	a	DT
39142	2101	9	counterpart	counterpart	NN
39142	2101	10	of	of	IN
39142	2101	11	life	life	NN
39142	2101	12	,	,	,
39142	2101	13	or	or	CC
39142	2101	14	life	life	NN
39142	2101	15	of	of	IN
39142	2101	16	a	a	DT
39142	2101	17	wholly	wholly	RB
39142	2101	18	different	different	JJ
39142	2101	19	type	type	NN
39142	2101	20	from	from	IN
39142	2101	21	ours	our	NNS
39142	2101	22	,	,	,
39142	2101	23	may	may	MD
39142	2101	24	exist	exist	VB
39142	2101	25	on	on	IN
39142	2101	26	other	other	JJ
39142	2101	27	planets	planet	NNS
39142	2101	28	under	under	IN
39142	2101	29	conditions	condition	NNS
39142	2101	30	wholly	wholly	RB
39142	2101	31	diverse	diverse	JJ
39142	2101	32	from	from	IN
39142	2101	33	those	those	DT
39142	2101	34	recognized	recognize	VBN
39142	2101	35	as	as	IN
39142	2101	36	essential	essential	JJ
39142	2101	37	to	to	IN
39142	2101	38	its	-PRON-	PRP$
39142	2101	39	existence	existence	NN
39142	2101	40	here	here	RB
39142	2101	41	.	.	.
39142	2102	1	The	the	DT
39142	2102	2	problem	problem	NN
39142	2102	3	of	of	IN
39142	2102	4	the	the	DT
39142	2102	5	origin	origin	NN
39142	2102	6	of	of	IN
39142	2102	7	life	life	NN
39142	2102	8	is	be	VBZ
39142	2102	9	,	,	,
39142	2102	10	in	in	IN
39142	2102	11	the	the	DT
39142	2102	12	present	present	JJ
39142	2102	13	state	state	NN
39142	2102	14	of	of	IN
39142	2102	15	knowledge	knowledge	NN
39142	2102	16	,	,	,
39142	2102	17	highly	highly	RB
39142	2102	18	speculative	speculative	JJ
39142	2102	19	and	and	CC
39142	2102	20	hardly	hardly	RB
39142	2102	21	within	within	IN
39142	2102	22	the	the	DT
39142	2102	23	domain	domain	NN
39142	2102	24	of	of	IN
39142	2102	25	science	science	NN
39142	2102	26	.	.	.
39142	2103	1	Here	here	RB
39142	2103	2	on	on	IN
39142	2103	3	earth	earth	NN
39142	2103	4	,	,	,
39142	2103	5	life	life	NN
39142	2103	6	is	be	VBZ
39142	2103	7	intimately	intimately	RB
39142	2103	8	associated	associate	VBN
39142	2103	9	with	with	IN
39142	2103	10	certain	certain	JJ
39142	2103	11	chemical	chemical	NN
39142	2103	12	compounds	compound	NNS
39142	2103	13	,	,	,
39142	2103	14	in	in	IN
39142	2103	15	which	which	WDT
39142	2103	16	carbon	carbon	NN
39142	2103	17	is	be	VBZ
39142	2103	18	the	the	DT
39142	2103	19	common	common	JJ
39142	2103	20	element	element	NN
39142	2103	21	without	without	IN
39142	2103	22	which	which	WDT
39142	2103	23	life	life	NN
39142	2103	24	would	would	MD
39142	2103	25	not	not	RB
39142	2103	26	exist	exist	VB
39142	2103	27	.	.	.
39142	2104	1	Also	also	RB
39142	2104	2	hydrogen	hydrogen	NN
39142	2104	3	,	,	,
39142	2104	4	oxygen	oxygen	NN
39142	2104	5	,	,	,
39142	2104	6	and	and	CC
39142	2104	7	nitrogen	nitrogen	NN
39142	2104	8	are	be	VBP
39142	2104	9	present	present	JJ
39142	2104	10	,	,	,
39142	2104	11	with	with	IN
39142	2104	12	iron	iron	NN
39142	2104	13	,	,	,
39142	2104	14	sulphur	sulphur	NNP
39142	2104	15	,	,	,
39142	2104	16	phosphorus	phosphorus	NN
39142	2104	17	,	,	,
39142	2104	18	magnesium	magnesium	NN
39142	2104	19	and	and	CC
39142	2104	20	a	a	DT
39142	2104	21	few	few	JJ
39142	2104	22	less	less	RBR
39142	2104	23	important	important	JJ
39142	2104	24	elements	element	NNS
39142	2104	25	besides	besides	RB
39142	2104	26	.	.	.
39142	2105	1	But	but	CC
39142	2105	2	carbon	carbon	NN
39142	2105	3	is	be	VBZ
39142	2105	4	the	the	DT
39142	2105	5	only	only	JJ
39142	2105	6	substance	substance	NN
39142	2105	7	absolutely	absolutely	RB
39142	2105	8	essential	essential	JJ
39142	2105	9	.	.	.
39142	2106	1	Protoplasm	protoplasm	NN
39142	2106	2	can	can	MD
39142	2106	3	not	not	RB
39142	2106	4	be	be	VB
39142	2106	5	built	build	VBN
39142	2106	6	without	without	IN
39142	2106	7	it	-PRON-	PRP
39142	2106	8	,	,	,
39142	2106	9	and	and	CC
39142	2106	10	protoplasm	protoplasm	NN
39142	2106	11	makes	make	VBZ
39142	2106	12	up	up	RP
39142	2106	13	the	the	DT
39142	2106	14	most	most	JJS
39142	2106	15	of	of	IN
39142	2106	16	the	the	DT
39142	2106	17	living	live	VBG
39142	2106	18	cell	cell	NN
39142	2106	19	.	.	.
39142	2107	1	Closely	closely	RB
39142	2107	2	related	related	JJ
39142	2107	3	to	to	IN
39142	2107	4	carbon	carbon	NN
39142	2107	5	is	be	VBZ
39142	2107	6	silica	silica	NN
39142	2107	7	also	also	RB
39142	2107	8	,	,	,
39142	2107	9	as	as	IN
39142	2107	10	a	a	DT
39142	2107	11	substitution	substitution	NN
39142	2107	12	in	in	IN
39142	2107	13	certain	certain	JJ
39142	2107	14	organic	organic	JJ
39142	2107	15	compounds	compound	NNS
39142	2107	16	.	.	.
39142	2108	1	Protoplasm	protoplasm	NN
39142	2108	2	is	be	VBZ
39142	2108	3	able	able	JJ
39142	2108	4	to	to	TO
39142	2108	5	stand	stand	VB
39142	2108	6	very	very	RB
39142	2108	7	low	low	JJ
39142	2108	8	temperatures	temperature	NNS
39142	2108	9	,	,	,
39142	2108	10	but	but	CC
39142	2108	11	its	-PRON-	PRP$
39142	2108	12	properties	property	NNS
39142	2108	13	as	as	IN
39142	2108	14	a	a	DT
39142	2108	15	living	live	VBG
39142	2108	16	cell	cell	NN
39142	2108	17	cease	cease	NN
39142	2108	18	when	when	WRB
39142	2108	19	the	the	DT
39142	2108	20	temperature	temperature	NN
39142	2108	21	reaches	reach	VBZ
39142	2108	22	150	150	CD
39142	2108	23	Fahrenheit	Fahrenheit	NNP
39142	2108	24	.	.	.
39142	2109	1	Animal	animal	JJ
39142	2109	2	life	life	NN
39142	2109	3	as	as	IN
39142	2109	4	it	-PRON-	PRP
39142	2109	5	exists	exist	VBZ
39142	2109	6	on	on	IN
39142	2109	7	the	the	DT
39142	2109	8	earth	earth	NN
39142	2109	9	to	to	IN
39142	2109	10	-	-	HYPH
39142	2109	11	day	day	NN
39142	2109	12	appears	appear	VBZ
39142	2109	13	to	to	TO
39142	2109	14	have	have	VB
39142	2109	15	been	be	VBN
39142	2109	16	here	here	RB
39142	2109	17	many	many	JJ
39142	2109	18	million	million	CD
39142	2109	19	years	year	NNS
39142	2109	20	.	.	.
39142	2110	1	The	the	DT
39142	2110	2	palæontologists	palæontologist	NNS
39142	2110	3	agree	agree	VBP
39142	2110	4	that	that	IN
39142	2110	5	all	all	DT
39142	2110	6	life	life	NN
39142	2110	7	originated	originate	VBD
39142	2110	8	in	in	IN
39142	2110	9	the	the	DT
39142	2110	10	waters	water	NNS
39142	2110	11	of	of	IN
39142	2110	12	the	the	DT
39142	2110	13	earth	earth	NN
39142	2110	14	.	.	.
39142	2111	1	It	-PRON-	PRP
39142	2111	2	has	have	VBZ
39142	2111	3	passed	pass	VBN
39142	2111	4	through	through	IN
39142	2111	5	evolutionary	evolutionary	JJ
39142	2111	6	stages	stage	NNS
39142	2111	7	from	from	IN
39142	2111	8	the	the	DT
39142	2111	9	lowest	low	JJS
39142	2111	10	to	to	IN
39142	2111	11	the	the	DT
39142	2111	12	highest	high	JJS
39142	2111	13	.	.	.
39142	2112	1	Throughout	throughout	IN
39142	2112	2	this	this	DT
39142	2112	3	vast	vast	JJ
39142	2112	4	period	period	NN
39142	2112	5	the	the	DT
39142	2112	6	astronomer	astronomer	NN
39142	2112	7	is	be	VBZ
39142	2112	8	able	able	JJ
39142	2112	9	to	to	TO
39142	2112	10	say	say	VB
39142	2112	11	that	that	IN
39142	2112	12	the	the	DT
39142	2112	13	conditions	condition	NNS
39142	2112	14	of	of	IN
39142	2112	15	the	the	DT
39142	2112	16	earth	earth	NN
39142	2112	17	which	which	WDT
39142	2112	18	appear	appear	VBP
39142	2112	19	to	to	TO
39142	2112	20	be	be	VB
39142	2112	21	essential	essential	JJ
39142	2112	22	to	to	IN
39142	2112	23	the	the	DT
39142	2112	24	maintenance	maintenance	NN
39142	2112	25	of	of	IN
39142	2112	26	life	life	NN
39142	2112	27	have	have	VBP
39142	2112	28	been	be	VBN
39142	2112	29	pretty	pretty	RB
39142	2112	30	constantly	constantly	RB
39142	2112	31	what	what	WP
39142	2112	32	they	-PRON-	PRP
39142	2112	33	are	be	VBP
39142	2112	34	to	to	IN
39142	2112	35	-	-	HYPH
39142	2112	36	day	day	NN
39142	2112	37	.	.	.
39142	2113	1	The	the	DT
39142	2113	2	higher	high	JJR
39142	2113	3	the	the	DT
39142	2113	4	type	type	NN
39142	2113	5	of	of	IN
39142	2113	6	life	life	NN
39142	2113	7	,	,	,
39142	2113	8	the	the	DT
39142	2113	9	narrower	narrow	JJR
39142	2113	10	the	the	DT
39142	2113	11	range	range	NN
39142	2113	12	of	of	IN
39142	2113	13	conditions	condition	NNS
39142	2113	14	under	under	IN
39142	2113	15	which	which	WDT
39142	2113	16	it	-PRON-	PRP
39142	2113	17	thrives	thrive	VBZ
39142	2113	18	.	.	.
39142	2114	1	Man	man	NN
39142	2114	2	can	can	MD
39142	2114	3	exist	exist	VB
39142	2114	4	at	at	IN
39142	2114	5	the	the	DT
39142	2114	6	frigid	frigid	JJ
39142	2114	7	poles	pole	NNS
39142	2114	8	even	even	RB
39142	2114	9	if	if	IN
39142	2114	10	the	the	DT
39142	2114	11	temperature	temperature	NN
39142	2114	12	is	be	VBZ
39142	2114	13	75	75	CD
39142	2114	14	degrees	degree	NNS
39142	2114	15	below	below	IN
39142	2114	16	Fahrenheit	Fahrenheit	NNP
39142	2114	17	zero	zero	CD
39142	2114	18	;	;	:
39142	2114	19	and	and	CC
39142	2114	20	in	in	IN
39142	2114	21	the	the	DT
39142	2114	22	deserts	desert	NNS
39142	2114	23	and	and	CC
39142	2114	24	the	the	DT
39142	2114	25	tropics	tropic	NNS
39142	2114	26	,	,	,
39142	2114	27	he	-PRON-	PRP
39142	2114	28	swelters	swelter	VBZ
39142	2114	29	under	under	IN
39142	2114	30	temperatures	temperature	NNS
39142	2114	31	of	of	IN
39142	2114	32	115	115	CD
39142	2114	33	degrees	degree	NNS
39142	2114	34	,	,	,
39142	2114	35	but	but	CC
39142	2114	36	he	-PRON-	PRP
39142	2114	37	still	still	RB
39142	2114	38	lives	live	VBZ
39142	2114	39	.	.	.
39142	2115	1	At	at	IN
39142	2115	2	these	these	DT
39142	2115	3	extremes	extreme	NNS
39142	2115	4	,	,	,
39142	2115	5	however	however	RB
39142	2115	6	,	,	,
39142	2115	7	he	-PRON-	PRP
39142	2115	8	can	can	MD
39142	2115	9	scarcely	scarcely	RB
39142	2115	10	be	be	VB
39142	2115	11	said	say	VBN
39142	2115	12	to	to	TO
39142	2115	13	thrive	thrive	VB
39142	2115	14	.	.	.
39142	2116	1	We	-PRON-	PRP
39142	2116	2	have	have	VBP
39142	2116	3	,	,	,
39142	2116	4	then	then	RB
39142	2116	5	,	,	,
39142	2116	6	a	a	DT
39142	2116	7	relatively	relatively	RB
39142	2116	8	narrow	narrow	JJ
39142	2116	9	range	range	NN
39142	2116	10	of	of	IN
39142	2116	11	temperatures	temperature	NNS
39142	2116	12	which	which	WDT
39142	2116	13	seems	seem	VBZ
39142	2116	14	to	to	TO
39142	2116	15	be	be	VB
39142	2116	16	essential	essential	JJ
39142	2116	17	to	to	IN
39142	2116	18	his	-PRON-	PRP$
39142	2116	19	comfortable	comfortable	JJ
39142	2116	20	existence	existence	NN
39142	2116	21	and	and	CC
39142	2116	22	development	development	NN
39142	2116	23	:	:	:
39142	2116	24	we	-PRON-	PRP
39142	2116	25	may	may	MD
39142	2116	26	call	call	VB
39142	2116	27	it	-PRON-	PRP
39142	2116	28	150	150	CD
39142	2116	29	degrees	degree	NNS
39142	2116	30	in	in	IN
39142	2116	31	extent	extent	NN
39142	2116	32	.	.	.
39142	2117	1	Had	have	VBD
39142	2117	2	not	not	RB
39142	2117	3	the	the	DT
39142	2117	4	surface	surface	NN
39142	2117	5	temperature	temperature	NN
39142	2117	6	of	of	IN
39142	2117	7	the	the	DT
39142	2117	8	earth	earth	NN
39142	2117	9	been	be	VBN
39142	2117	10	maintained	maintain	VBN
39142	2117	11	within	within	IN
39142	2117	12	this	this	DT
39142	2117	13	range	range	NN
39142	2117	14	for	for	IN
39142	2117	15	indefinite	indefinite	JJ
39142	2117	16	ages	age	NNS
39142	2117	17	,	,	,
39142	2117	18	in	in	IN
39142	2117	19	the	the	DT
39142	2117	20	regions	region	NNS
39142	2117	21	where	where	WRB
39142	2117	22	the	the	DT
39142	2117	23	human	human	JJ
39142	2117	24	race	race	NN
39142	2117	25	has	have	VBZ
39142	2117	26	developed	develop	VBN
39142	2117	27	,	,	,
39142	2117	28	quite	quite	RB
39142	2117	29	certainly	certainly	RB
39142	2117	30	man	man	NN
39142	2117	31	would	would	MD
39142	2117	32	not	not	RB
39142	2117	33	be	be	VB
39142	2117	34	here	here	RB
39142	2117	35	.	.	.
39142	2118	1	How	how	WRB
39142	2118	2	this	this	DT
39142	2118	3	equability	equability	NN
39142	2118	4	of	of	IN
39142	2118	5	temperature	temperature	NN
39142	2118	6	has	have	VBZ
39142	2118	7	been	be	VBN
39142	2118	8	maintained	maintain	VBN
39142	2118	9	does	do	VBZ
39142	2118	10	not	not	RB
39142	2118	11	now	now	RB
39142	2118	12	matter	matter	VB
39142	2118	13	.	.	.
39142	2119	1	Clearly	clearly	RB
39142	2119	2	the	the	DT
39142	2119	3	earth	earth	NN
39142	2119	4	must	must	MD
39142	2119	5	have	have	VB
39142	2119	6	existed	exist	VBN
39142	2119	7	through	through	IN
39142	2119	8	indefinite	indefinite	JJ
39142	2119	9	ages	age	NNS
39142	2119	10	in	in	IN
39142	2119	11	the	the	DT
39142	2119	12	process	process	NN
39142	2119	13	of	of	IN
39142	2119	14	cooling	cool	VBG
39142	2119	15	down	down	RP
39142	2119	16	from	from	IN
39142	2119	17	temperatures	temperature	NNS
39142	2119	18	of	of	IN
39142	2119	19	at	at	RB
39142	2119	20	least	least	RBS
39142	2119	21	6,000	6,000	CD
39142	2119	22	degrees	degree	NNS
39142	2119	23	.	.	.
39142	2120	1	During	during	IN
39142	2120	2	this	this	DT
39142	2120	3	stage	stage	NN
39142	2120	4	the	the	DT
39142	2120	5	temperature	temperature	NN
39142	2120	6	of	of	IN
39142	2120	7	the	the	DT
39142	2120	8	surface	surface	NN
39142	2120	9	was	be	VBD
39142	2120	10	earth	earth	NN
39142	2120	11	-	-	HYPH
39142	2120	12	controlled	control	VBN
39142	2120	13	.	.	.
39142	2121	1	Then	then	RB
39142	2121	2	this	this	DT
39142	2121	3	period	period	NN
39142	2121	4	merged	merge	VBD
39142	2121	5	very	very	RB
39142	2121	6	gradually	gradually	RB
39142	2121	7	into	into	IN
39142	2121	8	the	the	DT
39142	2121	9	stage	stage	NN
39142	2121	10	where	where	WRB
39142	2121	11	life	life	NN
39142	2121	12	became	become	VBD
39142	2121	13	possible	possible	JJ
39142	2121	14	,	,	,
39142	2121	15	and	and	CC
39142	2121	16	the	the	DT
39142	2121	17	temperature	temperature	NN
39142	2121	18	of	of	IN
39142	2121	19	the	the	DT
39142	2121	20	surface	surface	NN
39142	2121	21	became	become	VBD
39142	2121	22	,	,	,
39142	2121	23	as	as	IN
39142	2121	24	it	-PRON-	PRP
39142	2121	25	now	now	RB
39142	2121	26	is	be	VBZ
39142	2121	27	,	,	,
39142	2121	28	sun	sun	NN
39142	2121	29	-	-	HYPH
39142	2121	30	controlled	control	VBN
39142	2121	31	.	.	.
39142	2122	1	How	how	WRB
39142	2122	2	many	many	JJ
39142	2122	3	years	year	NNS
39142	2122	4	are	be	VBP
39142	2122	5	embraced	embrace	VBN
39142	2122	6	in	in	IN
39142	2122	7	this	this	DT
39142	2122	8	span	span	NN
39142	2122	9	of	of	IN
39142	2122	10	periods	period	NNS
39142	2122	11	,	,	,
39142	2122	12	or	or	CC
39142	2122	13	ages	age	NNS
39142	2122	14	,	,	,
39142	2122	15	we	-PRON-	PRP
39142	2122	16	have	have	VBP
39142	2122	17	no	no	DT
39142	2122	18	means	means	NN
39142	2122	19	of	of	IN
39142	2122	20	knowing	know	VBG
39142	2122	21	.	.	.
39142	2123	1	But	but	CC
39142	2123	2	of	of	IN
39142	2123	3	the	the	DT
39142	2123	4	sequence	sequence	NN
39142	2123	5	of	of	IN
39142	2123	6	periods	period	NNS
39142	2123	7	and	and	CC
39142	2123	8	the	the	DT
39142	2123	9	secular	secular	JJ
39142	2123	10	diminution	diminution	NN
39142	2123	11	of	of	IN
39142	2123	12	temperature	temperature	NN
39142	2123	13	,	,	,
39142	2123	14	we	-PRON-	PRP
39142	2123	15	may	may	MD
39142	2123	16	be	be	VB
39142	2123	17	certain	certain	JJ
39142	2123	18	.	.	.
39142	2124	1	Then	then	RB
39142	2124	2	there	there	EX
39142	2124	3	is	be	VBZ
39142	2124	4	the	the	DT
39142	2124	5	equally	equally	RB
39142	2124	6	important	important	JJ
39142	2124	7	consideration	consideration	NN
39142	2124	8	of	of	IN
39142	2124	9	water	water	NN
39142	2124	10	necessary	necessary	JJ
39142	2124	11	for	for	IN
39142	2124	12	the	the	DT
39142	2124	13	origination	origination	NN
39142	2124	14	,	,	,
39142	2124	15	support	support	NN
39142	2124	16	,	,	,
39142	2124	17	and	and	CC
39142	2124	18	development	development	NN
39142	2124	19	of	of	IN
39142	2124	20	life	life	NN
39142	2124	21	.	.	.
39142	2125	1	We	-PRON-	PRP
39142	2125	2	can	can	MD
39142	2125	3	not	not	RB
39142	2125	4	conceive	conceive	VB
39142	2125	5	of	of	IN
39142	2125	6	life	life	NN
39142	2125	7	existing	exist	VBG
39142	2125	8	without	without	IN
39142	2125	9	it	-PRON-	PRP
39142	2125	10	.	.	.
39142	2126	1	On	on	IN
39142	2126	2	the	the	DT
39142	2126	3	earth	earth	NN
39142	2126	4	water	water	NN
39142	2126	5	is	be	VBZ
39142	2126	6	superabundant	superabundant	JJ
39142	2126	7	,	,	,
39142	2126	8	and	and	CC
39142	2126	9	has	have	VBZ
39142	2126	10	been	be	VBN
39142	2126	11	for	for	IN
39142	2126	12	indefinite	indefinite	JJ
39142	2126	13	ages	age	NNS
39142	2126	14	in	in	IN
39142	2126	15	the	the	DT
39142	2126	16	past	past	NN
39142	2126	17	.	.	.
39142	2127	1	There	there	EX
39142	2127	2	is	be	VBZ
39142	2127	3	little	little	JJ
39142	2127	4	evidence	evidence	NN
39142	2127	5	that	that	IN
39142	2127	6	the	the	DT
39142	2127	7	oceans	ocean	NNS
39142	2127	8	are	be	VBP
39142	2127	9	drying	dry	VBG
39142	2127	10	up	up	RP
39142	2127	11	;	;	:
39142	2127	12	although	although	IN
39142	2127	13	the	the	DT
39142	2127	14	commonly	commonly	RB
39142	2127	15	accepted	accept	VBN
39142	2127	16	view	view	NN
39142	2127	17	is	be	VBZ
39142	2127	18	that	that	IN
39142	2127	19	the	the	DT
39142	2127	20	waters	water	NNS
39142	2127	21	of	of	IN
39142	2127	22	the	the	DT
39142	2127	23	earth	earth	NN
39142	2127	24	will	will	MD
39142	2127	25	very	very	RB
39142	2127	26	gradually	gradually	RB
39142	2127	27	disappear	disappear	VB
39142	2127	28	.	.	.
39142	2128	1	Water	water	NN
39142	2128	2	can	can	MD
39142	2128	3	exist	exist	VB
39142	2128	4	in	in	IN
39142	2128	5	the	the	DT
39142	2128	6	fluid	fluid	JJ
39142	2128	7	state	state	NN
39142	2128	8	,	,	,
39142	2128	9	which	which	WDT
39142	2128	10	is	be	VBZ
39142	2128	11	essential	essential	JJ
39142	2128	12	to	to	IN
39142	2128	13	life	life	NN
39142	2128	14	,	,	,
39142	2128	15	at	at	IN
39142	2128	16	all	all	DT
39142	2128	17	temperatures	temperature	NNS
39142	2128	18	between	between	IN
39142	2128	19	32	32	CD
39142	2128	20	degrees	degree	NNS
39142	2128	21	and	and	CC
39142	2128	22	680	680	CD
39142	2128	23	degrees	degree	NNS
39142	2128	24	F.	F.	NNP
39142	2128	25	Air	Air	NNP
39142	2128	26	to	to	TO
39142	2128	27	breathe	breathe	VB
39142	2128	28	is	be	VBZ
39142	2128	29	essential	essential	JJ
39142	2128	30	to	to	IN
39142	2128	31	life	life	NN
39142	2128	32	also	also	RB
39142	2128	33	.	.	.
39142	2129	1	The	the	DT
39142	2129	2	atmosphere	atmosphere	NN
39142	2129	3	which	which	WDT
39142	2129	4	envelops	envelop	VBZ
39142	2129	5	the	the	DT
39142	2129	6	earth	earth	NN
39142	2129	7	is	be	VBZ
39142	2129	8	at	at	RB
39142	2129	9	least	least	RBS
39142	2129	10	100	100	CD
39142	2129	11	miles	mile	NNS
39142	2129	12	in	in	IN
39142	2129	13	depth	depth	NN
39142	2129	14	,	,	,
39142	2129	15	and	and	CC
39142	2129	16	its	-PRON-	PRP$
39142	2129	17	own	own	JJ
39142	2129	18	weight	weight	NN
39142	2129	19	compresses	compress	VBZ
39142	2129	20	it	-PRON-	PRP
39142	2129	21	to	to	IN
39142	2129	22	a	a	DT
39142	2129	23	tension	tension	NN
39142	2129	24	of	of	IN
39142	2129	25	nearly	nearly	RB
39142	2129	26	15	15	CD
39142	2129	27	pounds	pound	NNS
39142	2129	28	to	to	IN
39142	2129	29	the	the	DT
39142	2129	30	square	square	JJ
39142	2129	31	inch	inch	NN
39142	2129	32	at	at	IN
39142	2129	33	sea	sea	NN
39142	2129	34	level	level	NN
39142	2129	35	.	.	.
39142	2130	1	This	this	DT
39142	2130	2	atmosphere	atmosphere	NN
39142	2130	3	and	and	CC
39142	2130	4	its	-PRON-	PRP$
39142	2130	5	physical	physical	JJ
39142	2130	6	properties	property	NNS
39142	2130	7	have	have	VBP
39142	2130	8	had	have	VBN
39142	2130	9	everything	everything	NN
39142	2130	10	to	to	TO
39142	2130	11	do	do	VB
39142	2130	12	with	with	IN
39142	2130	13	the	the	DT
39142	2130	14	development	development	NN
39142	2130	15	of	of	IN
39142	2130	16	animal	animal	NN
39142	2130	17	life	life	NN
39142	2130	18	on	on	IN
39142	2130	19	the	the	DT
39142	2130	20	planet	planet	NN
39142	2130	21	.	.	.
39142	2131	1	Without	without	IN
39142	2131	2	it	-PRON-	PRP
39142	2131	3	and	and	CC
39142	2131	4	its	-PRON-	PRP$
39142	2131	5	remarkable	remarkable	JJ
39142	2131	6	property	property	NN
39142	2131	7	of	of	IN
39142	2131	8	selective	selective	JJ
39142	2131	9	absorption	absorption	NN
39142	2131	10	,	,	,
39142	2131	11	which	which	WDT
39142	2131	12	imprisons	imprison	VBZ
39142	2131	13	and	and	CC
39142	2131	14	diffuses	diffuse	VBZ
39142	2131	15	the	the	DT
39142	2131	16	solar	solar	JJ
39142	2131	17	heat	heat	NN
39142	2131	18	,	,	,
39142	2131	19	it	-PRON-	PRP
39142	2131	20	is	be	VBZ
39142	2131	21	inconceivable	inconceivable	JJ
39142	2131	22	that	that	IN
39142	2131	23	the	the	DT
39142	2131	24	necessary	necessary	JJ
39142	2131	25	equability	equability	NN
39142	2131	26	of	of	IN
39142	2131	27	surface	surface	NN
39142	2131	28	temperature	temperature	NN
39142	2131	29	could	could	MD
39142	2131	30	be	be	VB
39142	2131	31	maintained	maintain	VBN
39142	2131	32	.	.	.
39142	2132	1	This	this	DT
39142	2132	2	appears	appear	VBZ
39142	2132	3	to	to	TO
39142	2132	4	be	be	VB
39142	2132	5	quite	quite	RB
39142	2132	6	independent	independent	JJ
39142	2132	7	of	of	IN
39142	2132	8	the	the	DT
39142	2132	9	chemical	chemical	JJ
39142	2132	10	constituents	constituent	NNS
39142	2132	11	of	of	IN
39142	2132	12	the	the	DT
39142	2132	13	atmosphere	atmosphere	NN
39142	2132	14	,	,	,
39142	2132	15	and	and	CC
39142	2132	16	is	be	VBZ
39142	2132	17	perhaps	perhaps	RB
39142	2132	18	the	the	DT
39142	2132	19	most	most	RBS
39142	2132	20	important	important	JJ
39142	2132	21	single	single	JJ
39142	2132	22	consideration	consideration	NN
39142	2132	23	affecting	affect	VBG
39142	2132	24	the	the	DT
39142	2132	25	existence	existence	NN
39142	2132	26	of	of	IN
39142	2132	27	life	life	NN
39142	2132	28	on	on	IN
39142	2132	29	a	a	DT
39142	2132	30	planet	planet	NN
39142	2132	31	.	.	.
39142	2133	1	If	if	IN
39142	2133	2	the	the	DT
39142	2133	3	surface	surface	NN
39142	2133	4	of	of	IN
39142	2133	5	a	a	DT
39142	2133	6	planet	planet	NN
39142	2133	7	is	be	VBZ
39142	2133	8	partly	partly	RB
39142	2133	9	covered	cover	VBN
39142	2133	10	with	with	IN
39142	2133	11	water	water	NN
39142	2133	12	,	,	,
39142	2133	13	it	-PRON-	PRP
39142	2133	14	will	will	MD
39142	2133	15	possess	possess	VB
39142	2133	16	also	also	RB
39142	2133	17	an	an	DT
39142	2133	18	atmosphere	atmosphere	NN
39142	2133	19	containing	contain	VBG
39142	2133	20	aqueous	aqueous	JJ
39142	2133	21	vapor	vapor	NN
39142	2133	22	.	.	.
39142	2134	1	Heat	heat	NN
39142	2134	2	,	,	,
39142	2134	3	water	water	NN
39142	2134	4	,	,	,
39142	2134	5	and	and	CC
39142	2134	6	air	air	NN
39142	2134	7	:	:	:
39142	2134	8	these	these	DT
39142	2134	9	three	three	CD
39142	2134	10	essentials	essential	NNS
39142	2134	11	determine	determine	VB
39142	2134	12	whether	whether	IN
39142	2134	13	there	there	EX
39142	2134	14	is	be	VBZ
39142	2134	15	life	life	NN
39142	2134	16	on	on	IN
39142	2134	17	a	a	DT
39142	2134	18	planet	planet	NN
39142	2134	19	or	or	CC
39142	2134	20	not	not	RB
39142	2134	21	.	.	.
39142	2135	1	Of	of	RB
39142	2135	2	course	course	RB
39142	2135	3	there	there	EX
39142	2135	4	must	must	MD
39142	2135	5	be	be	VB
39142	2135	6	nutrition	nutrition	NN
39142	2135	7	suitable	suitable	JJ
39142	2135	8	to	to	IN
39142	2135	9	the	the	DT
39142	2135	10	organism	organism	NN
39142	2135	11	;	;	:
39142	2135	12	mineral	mineral	NN
39142	2135	13	for	for	IN
39142	2135	14	the	the	DT
39142	2135	15	vegetal	vegetal	NN
39142	2135	16	,	,	,
39142	2135	17	and	and	CC
39142	2135	18	vegetal	vegetal	JJ
39142	2135	19	for	for	IN
39142	2135	20	the	the	DT
39142	2135	21	animal	animal	NN
39142	2135	22	.	.	.
39142	2136	1	But	but	CC
39142	2136	2	the	the	DT
39142	2136	3	narrow	narrow	JJ
39142	2136	4	range	range	NN
39142	2136	5	of	of	IN
39142	2136	6	variation	variation	NN
39142	2136	7	appears	appear	VBZ
39142	2136	8	to	to	TO
39142	2136	9	be	be	VB
39142	2136	10	the	the	DT
39142	2136	11	striking	striking	JJ
39142	2136	12	thing	thing	NN
39142	2136	13	:	:	:
39142	2136	14	relatively	relatively	RB
39142	2136	15	but	but	CC
39142	2136	16	a	a	DT
39142	2136	17	few	few	JJ
39142	2136	18	degrees	degree	NNS
39142	2136	19	of	of	IN
39142	2136	20	temperature	temperature	NN
39142	2136	21	,	,	,
39142	2136	22	and	and	CC
39142	2136	23	a	a	DT
39142	2136	24	narrow	narrow	JJ
39142	2136	25	margin	margin	NN
39142	2136	26	of	of	IN
39142	2136	27	atmospheric	atmospheric	JJ
39142	2136	28	pressure	pressure	NN
39142	2136	29	.	.	.
39142	2137	1	If	if	IN
39142	2137	2	this	this	DT
39142	2137	3	pressure	pressure	NN
39142	2137	4	is	be	VBZ
39142	2137	5	doubled	double	VBN
39142	2137	6	or	or	CC
39142	2137	7	trebled	treble	VBN
39142	2137	8	,	,	,
39142	2137	9	as	as	IN
39142	2137	10	in	in	IN
39142	2137	11	submarine	submarine	NN
39142	2137	12	caissons	caisson	NNS
39142	2137	13	,	,	,
39142	2137	14	life	life	NN
39142	2137	15	becomes	become	VBZ
39142	2137	16	insupportable	insupportable	JJ
39142	2137	17	.	.	.
39142	2138	1	If	if	IN
39142	2138	2	,	,	,
39142	2138	3	on	on	IN
39142	2138	4	the	the	DT
39142	2138	5	other	other	JJ
39142	2138	6	hand	hand	NN
39142	2138	7	,	,	,
39142	2138	8	it	-PRON-	PRP
39142	2138	9	is	be	VBZ
39142	2138	10	reduced	reduce	VBN
39142	2138	11	even	even	RB
39142	2138	12	one	one	CD
39142	2138	13	-	-	HYPH
39142	2138	14	third	third	NN
39142	2138	15	,	,	,
39142	2138	16	as	as	IN
39142	2138	17	on	on	IN
39142	2138	18	mountains	mountain	NNS
39142	2138	19	even	even	RB
39142	2138	20	13,000	13,000	CD
39142	2138	21	feet	foot	NNS
39142	2138	22	high	high	JJ
39142	2138	23	,	,	,
39142	2138	24	the	the	DT
39142	2138	25	human	human	JJ
39142	2138	26	mechanism	mechanism	NN
39142	2138	27	fails	fail	VBZ
39142	2138	28	to	to	TO
39142	2138	29	function	function	VB
39142	2138	30	,	,	,
39142	2138	31	partly	partly	RB
39142	2138	32	from	from	IN
39142	2138	33	lack	lack	NN
39142	2138	34	of	of	IN
39142	2138	35	oxygen	oxygen	NN
39142	2138	36	necessary	necessary	JJ
39142	2138	37	in	in	IN
39142	2138	38	vitalizing	vitalize	VBG
39142	2138	39	the	the	DT
39142	2138	40	blood	blood	NN
39142	2138	41	,	,	,
39142	2138	42	but	but	CC
39142	2138	43	mainly	mainly	RB
39142	2138	44	because	because	IN
39142	2138	45	of	of	IN
39142	2138	46	simple	simple	JJ
39142	2138	47	reduction	reduction	NN
39142	2138	48	of	of	IN
39142	2138	49	mechanical	mechanical	JJ
39142	2138	50	pressure	pressure	NN
39142	2138	51	.	.	.
39142	2139	1	If	if	IN
39142	2139	2	,	,	,
39142	2139	3	then	then	RB
39142	2139	4	,	,	,
39142	2139	5	we	-PRON-	PRP
39142	2139	6	conceive	conceive	VBP
39142	2139	7	of	of	IN
39142	2139	8	life	life	NN
39142	2139	9	in	in	IN
39142	2139	10	other	other	JJ
39142	2139	11	worlds	world	NNS
39142	2139	12	and	and	CC
39142	2139	13	it	-PRON-	PRP
39142	2139	14	is	be	VBZ
39142	2139	15	agreed	agree	VBN
39142	2139	16	that	that	DT
39142	2139	17	life	life	NN
39142	2139	18	there	there	EX
39142	2139	19	must	must	MD
39142	2139	20	manifest	manifest	VB
39142	2139	21	itself	-PRON-	PRP
39142	2139	22	much	much	RB
39142	2139	23	as	as	IN
39142	2139	24	it	-PRON-	PRP
39142	2139	25	does	do	VBZ
39142	2139	26	here	here	RB
39142	2139	27	,	,	,
39142	2139	28	our	-PRON-	PRP$
39142	2139	29	answer	answer	NN
39142	2139	30	to	to	IN
39142	2139	31	the	the	DT
39142	2139	32	question	question	NN
39142	2139	33	of	of	IN
39142	2139	34	habitability	habitability	NN
39142	2139	35	of	of	IN
39142	2139	36	the	the	DT
39142	2139	37	planets	planet	NNS
39142	2139	38	must	must	MD
39142	2139	39	follow	follow	VB
39142	2139	40	upon	upon	IN
39142	2139	41	an	an	DT
39142	2139	42	investigation	investigation	NN
39142	2139	43	of	of	IN
39142	2139	44	what	what	WP
39142	2139	45	we	-PRON-	PRP
39142	2139	46	know	know	VBP
39142	2139	47	,	,	,
39142	2139	48	or	or	CC
39142	2139	49	can	can	MD
39142	2139	50	reasonably	reasonably	RB
39142	2139	51	surmise	surmise	VB
39142	2139	52	,	,	,
39142	2139	53	about	about	IN
39142	2139	54	the	the	DT
39142	2139	55	surface	surface	NN
39142	2139	56	temperatures	temperature	NNS
39142	2139	57	of	of	IN
39142	2139	58	these	these	DT
39142	2139	59	bodies	body	NNS
39142	2139	60	,	,	,
39142	2139	61	whether	whether	IN
39142	2139	62	they	-PRON-	PRP
39142	2139	63	have	have	VBP
39142	2139	64	water	water	NN
39142	2139	65	,	,	,
39142	2139	66	and	and	CC
39142	2139	67	what	what	WP
39142	2139	68	are	be	VBP
39142	2139	69	the	the	DT
39142	2139	70	probable	probable	JJ
39142	2139	71	physical	physical	JJ
39142	2139	72	characteristics	characteristic	NNS
39142	2139	73	of	of	IN
39142	2139	74	their	-PRON-	PRP$
39142	2139	75	atmospheres	atmosphere	NNS
39142	2139	76	.	.	.
39142	2140	1	We	-PRON-	PRP
39142	2140	2	may	may	MD
39142	2140	3	inquire	inquire	VB
39142	2140	4	about	about	IN
39142	2140	5	each	each	DT
39142	2140	6	planet	planet	NN
39142	2140	7	,	,	,
39142	2140	8	then	then	RB
39142	2140	9	,	,	,
39142	2140	10	concerning	concern	VBG
39142	2140	11	each	each	DT
39142	2140	12	of	of	IN
39142	2140	13	these	these	DT
39142	2140	14	details	detail	NNS
39142	2140	15	.	.	.
39142	2141	1	The	the	DT
39142	2141	2	case	case	NN
39142	2141	3	of	of	IN
39142	2141	4	Mercury	Mercury	NNP
39142	2141	5	is	be	VBZ
39142	2141	6	not	not	RB
39142	2141	7	difficult	difficult	JJ
39142	2141	8	.	.	.
39142	2142	1	At	at	IN
39142	2142	2	an	an	DT
39142	2142	3	average	average	JJ
39142	2142	4	distance	distance	NN
39142	2142	5	of	of	IN
39142	2142	6	only	only	RB
39142	2142	7	36	36	CD
39142	2142	8	million	million	CD
39142	2142	9	miles	mile	NNS
39142	2142	10	from	from	IN
39142	2142	11	the	the	DT
39142	2142	12	sun	sun	NN
39142	2142	13	,	,	,
39142	2142	14	and	and	CC
39142	2142	15	with	with	IN
39142	2142	16	a	a	DT
39142	2142	17	large	large	JJ
39142	2142	18	eccentricity	eccentricity	NN
39142	2142	19	of	of	IN
39142	2142	20	orbit	orbit	NN
39142	2142	21	which	which	WDT
39142	2142	22	brings	bring	VBZ
39142	2142	23	it	-PRON-	PRP
39142	2142	24	a	a	DT
39142	2142	25	fifth	fifth	JJ
39142	2142	26	part	part	NN
39142	2142	27	nearer	nearer	NN
39142	2142	28	,	,	,
39142	2142	29	conditions	condition	NNS
39142	2142	30	of	of	IN
39142	2142	31	temperature	temperature	NN
39142	2142	32	alone	alone	RB
39142	2142	33	must	must	MD
39142	2142	34	be	be	VB
39142	2142	35	such	such	JJ
39142	2142	36	as	as	IN
39142	2142	37	to	to	TO
39142	2142	38	forbid	forbid	VB
39142	2142	39	the	the	DT
39142	2142	40	existence	existence	NN
39142	2142	41	of	of	IN
39142	2142	42	life	life	NN
39142	2142	43	.	.	.
39142	2143	1	The	the	DT
39142	2143	2	solar	solar	JJ
39142	2143	3	heat	heat	NN
39142	2143	4	received	receive	VBD
39142	2143	5	is	be	VBZ
39142	2143	6	seven	seven	CD
39142	2143	7	times	time	NNS
39142	2143	8	greater	great	JJR
39142	2143	9	than	than	IN
39142	2143	10	at	at	IN
39142	2143	11	the	the	DT
39142	2143	12	earth	earth	NN
39142	2143	13	,	,	,
39142	2143	14	and	and	CC
39142	2143	15	this	this	DT
39142	2143	16	is	be	VBZ
39142	2143	17	perhaps	perhaps	RB
39142	2143	18	sufficient	sufficient	JJ
39142	2143	19	reason	reason	NN
39142	2143	20	for	for	IN
39142	2143	21	a	a	DT
39142	2143	22	minimum	minimum	NN
39142	2143	23	of	of	IN
39142	2143	24	atmosphere	atmosphere	NN
39142	2143	25	,	,	,
39142	2143	26	as	as	IN
39142	2143	27	indicated	indicate	VBN
39142	2143	28	by	by	IN
39142	2143	29	observation	observation	NN
39142	2143	30	.	.	.
39142	2144	1	If	if	IN
39142	2144	2	no	no	DT
39142	2144	3	air	air	NN
39142	2144	4	,	,	,
39142	2144	5	then	then	RB
39142	2144	6	quite	quite	RB
39142	2144	7	certainly	certainly	RB
39142	2144	8	no	no	DT
39142	2144	9	water	water	NN
39142	2144	10	,	,	,
39142	2144	11	as	as	IN
39142	2144	12	evaporation	evaporation	NN
39142	2144	13	would	would	MD
39142	2144	14	supply	supply	VB
39142	2144	15	a	a	DT
39142	2144	16	slight	slight	JJ
39142	2144	17	atmosphere	atmosphere	NN
39142	2144	18	.	.	.
39142	2145	1	But	but	CC
39142	2145	2	according	accord	VBG
39142	2145	3	to	to	IN
39142	2145	4	the	the	DT
39142	2145	5	kinetic	kinetic	JJ
39142	2145	6	theory	theory	NN
39142	2145	7	of	of	IN
39142	2145	8	gases	gas	NNS
39142	2145	9	,	,	,
39142	2145	10	the	the	DT
39142	2145	11	mass	mass	NN
39142	2145	12	of	of	IN
39142	2145	13	Mercury	Mercury	NNP
39142	2145	14	,	,	,
39142	2145	15	only	only	RB
39142	2145	16	a	a	DT
39142	2145	17	very	very	RB
39142	2145	18	small	small	JJ
39142	2145	19	fraction	fraction	NN
39142	2145	20	of	of	IN
39142	2145	21	that	that	DT
39142	2145	22	of	of	IN
39142	2145	23	the	the	DT
39142	2145	24	sun	sun	NN
39142	2145	25	,	,	,
39142	2145	26	is	be	VBZ
39142	2145	27	inadequate	inadequate	JJ
39142	2145	28	to	to	TO
39142	2145	29	retain	retain	VB
39142	2145	30	an	an	DT
39142	2145	31	atmospheric	atmospheric	JJ
39142	2145	32	envelope	envelope	NN
39142	2145	33	.	.	.
39142	2146	1	If	if	IN
39142	2146	2	,	,	,
39142	2146	3	however	however	RB
39142	2146	4	,	,	,
39142	2146	5	the	the	DT
39142	2146	6	planet	planet	NN
39142	2146	7	's	's	POS
39142	2146	8	day	day	NN
39142	2146	9	and	and	CC
39142	2146	10	year	year	NN
39142	2146	11	are	be	VBP
39142	2146	12	equal	equal	JJ
39142	2146	13	,	,	,
39142	2146	14	so	so	IN
39142	2146	15	that	that	IN
39142	2146	16	it	-PRON-	PRP
39142	2146	17	turns	turn	VBZ
39142	2146	18	a	a	DT
39142	2146	19	constant	constant	JJ
39142	2146	20	face	face	NN
39142	2146	21	to	to	IN
39142	2146	22	the	the	DT
39142	2146	23	sun	sun	NN
39142	2146	24	,	,	,
39142	2146	25	surface	surface	NN
39142	2146	26	conditions	condition	NNS
39142	2146	27	would	would	MD
39142	2146	28	be	be	VB
39142	2146	29	greatly	greatly	RB
39142	2146	30	complicated	complicate	VBN
39142	2146	31	,	,	,
39142	2146	32	so	so	IN
39142	2146	33	that	that	IN
39142	2146	34	we	-PRON-	PRP
39142	2146	35	can	can	MD
39142	2146	36	not	not	RB
39142	2146	37	regard	regard	VB
39142	2146	38	the	the	DT
39142	2146	39	planet	planet	NN
39142	2146	40	as	as	RB
39142	2146	41	absolutely	absolutely	RB
39142	2146	42	uninhabitable	uninhabitable	JJ
39142	2146	43	on	on	IN
39142	2146	44	the	the	DT
39142	2146	45	hemisphere	hemisphere	NN
39142	2146	46	that	that	WDT
39142	2146	47	is	be	VBZ
39142	2146	48	always	always	RB
39142	2146	49	turned	turn	VBN
39142	2146	50	away	away	RB
39142	2146	51	from	from	IN
39142	2146	52	the	the	DT
39142	2146	53	sun	sun	NN
39142	2146	54	.	.	.
39142	2147	1	Venus	venus	NN
39142	2147	2	at	at	IN
39142	2147	3	67	67	CD
39142	2147	4	millions	million	NNS
39142	2147	5	of	of	IN
39142	2147	6	miles	mile	NNS
39142	2147	7	from	from	IN
39142	2147	8	the	the	DT
39142	2147	9	sun	sun	NN
39142	2147	10	presents	present	VBZ
39142	2147	11	conditions	condition	NNS
39142	2147	12	that	that	WDT
39142	2147	13	are	be	VBP
39142	2147	14	quite	quite	RB
39142	2147	15	different	different	JJ
39142	2147	16	.	.	.
39142	2148	1	She	-PRON-	PRP
39142	2148	2	receives	receive	VBZ
39142	2148	3	double	double	PDT
39142	2148	4	the	the	DT
39142	2148	5	solar	solar	JJ
39142	2148	6	heat	heat	NN
39142	2148	7	that	that	WDT
39142	2148	8	we	-PRON-	PRP
39142	2148	9	do	do	VBP
39142	2148	10	,	,	,
39142	2148	11	but	but	CC
39142	2148	12	possessing	possess	VBG
39142	2148	13	an	an	DT
39142	2148	14	atmosphere	atmosphere	NN
39142	2148	15	perhaps	perhaps	RB
39142	2148	16	threefold	threefold	JJ
39142	2148	17	denser	denser	NN
39142	2148	18	than	than	IN
39142	2148	19	ours	our	NNS
39142	2148	20	,	,	,
39142	2148	21	as	as	IN
39142	2148	22	reliably	reliably	RB
39142	2148	23	indicated	indicate	VBN
39142	2148	24	by	by	IN
39142	2148	25	observations	observation	NNS
39142	2148	26	of	of	IN
39142	2148	27	transits	transit	NNS
39142	2148	28	of	of	IN
39142	2148	29	Venus	Venus	NNP
39142	2148	30	,	,	,
39142	2148	31	the	the	DT
39142	2148	32	intensity	intensity	NN
39142	2148	33	of	of	IN
39142	2148	34	the	the	DT
39142	2148	35	heat	heat	NN
39142	2148	36	and	and	CC
39142	2148	37	its	-PRON-	PRP$
39142	2148	38	diffusion	diffusion	NN
39142	2148	39	may	may	MD
39142	2148	40	be	be	VB
39142	2148	41	greatly	greatly	RB
39142	2148	42	modified	modify	VBN
39142	2148	43	.	.	.
39142	2149	1	What	what	WP
39142	2149	2	the	the	DT
39142	2149	3	selective	selective	JJ
39142	2149	4	absorption	absorption	NN
39142	2149	5	of	of	IN
39142	2149	6	the	the	DT
39142	2149	7	atmosphere	atmosphere	NN
39142	2149	8	of	of	IN
39142	2149	9	Venus	Venus	NNP
39142	2149	10	may	may	MD
39142	2149	11	be	be	VB
39142	2149	12	,	,	,
39142	2149	13	we	-PRON-	PRP
39142	2149	14	do	do	VBP
39142	2149	15	not	not	RB
39142	2149	16	know	know	VB
39142	2149	17	.	.	.
39142	2150	1	Nor	nor	CC
39142	2150	2	is	be	VBZ
39142	2150	3	the	the	DT
39142	2150	4	rotation	rotation	NN
39142	2150	5	time	time	NN
39142	2150	6	of	of	IN
39142	2150	7	the	the	DT
39142	2150	8	planet	planet	NN
39142	2150	9	definitely	definitely	RB
39142	2150	10	ascertained	ascertain	VBD
39142	2150	11	:	:	:
39142	2150	12	if	if	IN
39142	2150	13	equal	equal	JJ
39142	2150	14	to	to	IN
39142	2150	15	her	-PRON-	PRP$
39142	2150	16	year	year	NN
39142	2150	17	,	,	,
39142	2150	18	as	as	IN
39142	2150	19	many	many	JJ
39142	2150	20	observations	observation	NNS
39142	2150	21	show	show	VBP
39142	2150	22	and	and	CC
39142	2150	23	as	as	IN
39142	2150	24	indicated	indicate	VBN
39142	2150	25	by	by	IN
39142	2150	26	the	the	DT
39142	2150	27	theory	theory	NN
39142	2150	28	of	of	IN
39142	2150	29	tidal	tidal	JJ
39142	2150	30	evolution	evolution	NN
39142	2150	31	,	,	,
39142	2150	32	there	there	EX
39142	2150	33	may	may	MD
39142	2150	34	well	well	RB
39142	2150	35	be	be	VB
39142	2150	36	certain	certain	JJ
39142	2150	37	regions	region	NNS
39142	2150	38	on	on	IN
39142	2150	39	the	the	DT
39142	2150	40	hemisphere	hemisphere	NN
39142	2150	41	perpetually	perpetually	RB
39142	2150	42	turned	turn	VBN
39142	2150	43	away	away	RB
39142	2150	44	from	from	IN
39142	2150	45	the	the	DT
39142	2150	46	sun	sun	NN
39142	2150	47	where	where	WRB
39142	2150	48	temperature	temperature	NN
39142	2150	49	conditions	condition	NNS
39142	2150	50	are	be	VBP
39142	2150	51	identical	identical	JJ
39142	2150	52	with	with	IN
39142	2150	53	those	those	DT
39142	2150	54	on	on	IN
39142	2150	55	the	the	DT
39142	2150	56	tropical	tropical	JJ
39142	2150	57	earth	earth	NN
39142	2150	58	,	,	,
39142	2150	59	and	and	CC
39142	2150	60	where	where	WRB
39142	2150	61	every	every	DT
39142	2150	62	condition	condition	NN
39142	2150	63	for	for	IN
39142	2150	64	the	the	DT
39142	2150	65	origin	origin	NN
39142	2150	66	and	and	CC
39142	2150	67	development	development	NN
39142	2150	68	of	of	IN
39142	2150	69	life	life	NN
39142	2150	70	is	be	VBZ
39142	2150	71	more	more	RBR
39142	2150	72	fully	fully	RB
39142	2150	73	met	meet	VBN
39142	2150	74	than	than	IN
39142	2150	75	anywhere	anywhere	RB
39142	2150	76	else	else	RB
39142	2150	77	in	in	IN
39142	2150	78	the	the	DT
39142	2150	79	solar	solar	JJ
39142	2150	80	system	system	NN
39142	2150	81	.	.	.
39142	2151	1	Whether	whether	IN
39142	2151	2	Venus	Venus	NNP
39142	2151	3	has	have	VBZ
39142	2151	4	water	water	NN
39142	2151	5	distributed	distribute	VBN
39142	2151	6	as	as	IN
39142	2151	7	on	on	IN
39142	2151	8	the	the	DT
39142	2151	9	earth	earth	NN
39142	2151	10	we	-PRON-	PRP
39142	2151	11	do	do	VBP
39142	2151	12	not	not	RB
39142	2151	13	know	know	VB
39142	2151	14	,	,	,
39142	2151	15	as	as	IN
39142	2151	16	her	-PRON-	PRP$
39142	2151	17	surface	surface	NN
39142	2151	18	is	be	VBZ
39142	2151	19	never	never	RB
39142	2151	20	seen	see	VBN
39142	2151	21	,	,	,
39142	2151	22	owing	owe	VBG
39142	2151	23	to	to	IN
39142	2151	24	dense	dense	JJ
39142	2151	25	clouds	cloud	NNS
39142	2151	26	under	under	IN
39142	2151	27	which	which	WDT
39142	2151	28	she	-PRON-	PRP
39142	2151	29	is	be	VBZ
39142	2151	30	always	always	RB
39142	2151	31	enshrouded	enshroud	VBN
39142	2151	32	.	.	.
39142	2152	1	Her	-PRON-	PRP$
39142	2152	2	cloudy	cloudy	JJ
39142	2152	3	condition	condition	NN
39142	2152	4	possibly	possibly	RB
39142	2152	5	indicates	indicate	VBZ
39142	2152	6	an	an	DT
39142	2152	7	overplus	overplus	NN
39142	2152	8	of	of	IN
39142	2152	9	water	water	NN
39142	2152	10	.	.	.
39142	2153	1	Is	be	VBZ
39142	2153	2	the	the	DT
39142	2153	3	moon	moon	NN
39142	2153	4	inhabited	inhabit	VBN
39142	2153	5	?	?	.
39142	2154	1	Quite	quite	RB
39142	2154	2	certainly	certainly	RB
39142	2154	3	not	not	RB
39142	2154	4	:	:	:
39142	2154	5	no	no	DT
39142	2154	6	appreciable	appreciable	JJ
39142	2154	7	air	air	NN
39142	2154	8	,	,	,
39142	2154	9	no	no	DT
39142	2154	10	water	water	NN
39142	2154	11	,	,	,
39142	2154	12	and	and	CC
39142	2154	13	a	a	DT
39142	2154	14	surface	surface	NN
39142	2154	15	temperature	temperature	NN
39142	2154	16	unmodified	unmodifie	VBN
39142	2154	17	by	by	IN
39142	2154	18	atmosphere	atmosphere	NN
39142	2154	19	--	--	:
39142	2154	20	rising	rise	VBG
39142	2154	21	perhaps	perhaps	RB
39142	2154	22	to	to	TO
39142	2154	23	100	100	CD
39142	2154	24	degrees	degree	NNS
39142	2154	25	F.	F.	NNP
39142	2154	26	during	during	IN
39142	2154	27	the	the	DT
39142	2154	28	day	day	NN
39142	2154	29	,	,	,
39142	2154	30	which	which	WDT
39142	2154	31	is	be	VBZ
39142	2154	32	a	a	DT
39142	2154	33	fortnight	fortnight	NN
39142	2154	34	in	in	IN
39142	2154	35	length	length	NN
39142	2154	36	,	,	,
39142	2154	37	and	and	CC
39142	2154	38	falling	fall	VBG
39142	2154	39	at	at	IN
39142	2154	40	night	night	NN
39142	2154	41	to	to	IN
39142	2154	42	300	300	CD
39142	2154	43	degrees	degree	NNS
39142	2154	44	below	below	IN
39142	2154	45	zero	zero	CD
39142	2154	46	,	,	,
39142	2154	47	if	if	IN
39142	2154	48	not	not	RB
39142	2154	49	lower	low	JJR
39142	2154	50	.	.	.
39142	2155	1	Is	be	VBZ
39142	2155	2	Mars	Mars	NNP
39142	2155	3	inhabited	inhabit	VBN
39142	2155	4	?	?	.
39142	2156	1	The	the	DT
39142	2156	2	probable	probable	JJ
39142	2156	3	surface	surface	NN
39142	2156	4	temperature	temperature	NN
39142	2156	5	is	be	VBZ
39142	2156	6	much	much	RB
39142	2156	7	lower	low	JJR
39142	2156	8	than	than	IN
39142	2156	9	the	the	DT
39142	2156	10	earth	earth	NN
39142	2156	11	's	's	POS
39142	2156	12	,	,	,
39142	2156	13	because	because	IN
39142	2156	14	Mars	Mars	NNP
39142	2156	15	receives	receive	VBZ
39142	2156	16	only	only	RB
39142	2156	17	half	half	PDT
39142	2156	18	as	as	RB
39142	2156	19	much	much	JJ
39142	2156	20	solar	solar	JJ
39142	2156	21	heat	heat	NN
39142	2156	22	as	as	IN
39142	2156	23	we	-PRON-	PRP
39142	2156	24	do	do	VBP
39142	2156	25	;	;	:
39142	2156	26	and	and	CC
39142	2156	27	more	more	RBR
39142	2156	28	important	important	JJ
39142	2156	29	still	still	RB
39142	2156	30	,	,	,
39142	2156	31	the	the	DT
39142	2156	32	atmosphere	atmosphere	NN
39142	2156	33	of	of	IN
39142	2156	34	Mars	Mars	NNP
39142	2156	35	is	be	VBZ
39142	2156	36	neither	neither	RB
39142	2156	37	so	so	RB
39142	2156	38	dense	dense	JJ
39142	2156	39	nor	nor	CC
39142	2156	40	so	so	RB
39142	2156	41	extensive	extensive	JJ
39142	2156	42	as	as	IN
39142	2156	43	our	-PRON-	PRP$
39142	2156	44	own	own	JJ
39142	2156	45	.	.	.
39142	2157	1	Seasons	season	NNS
39142	2157	2	on	on	IN
39142	2157	3	Mars	Mars	NNP
39142	2157	4	are	be	VBP
39142	2157	5	established	establish	VBN
39142	2157	6	,	,	,
39142	2157	7	much	much	RB
39142	2157	8	the	the	DT
39142	2157	9	same	same	JJ
39142	2157	10	as	as	IN
39142	2157	11	here	here	RB
39142	2157	12	,	,	,
39142	2157	13	except	except	IN
39142	2157	14	that	that	IN
39142	2157	15	they	-PRON-	PRP
39142	2157	16	are	be	VBP
39142	2157	17	nearly	nearly	RB
39142	2157	18	twice	twice	RB
39142	2157	19	as	as	RB
39142	2157	20	long	long	RB
39142	2157	21	as	as	IN
39142	2157	22	ours	-PRON-	PRP
39142	2157	23	;	;	:
39142	2157	24	and	and	CC
39142	2157	25	alternate	alternate	RB
39142	2157	26	shrinking	shrink	VBG
39142	2157	27	and	and	CC
39142	2157	28	enlarging	enlarging	JJ
39142	2157	29	of	of	IN
39142	2157	30	the	the	DT
39142	2157	31	polar	polar	JJ
39142	2157	32	caps	cap	NNS
39142	2157	33	keeps	keep	VBZ
39142	2157	34	even	even	RB
39142	2157	35	pace	pace	NN
39142	2157	36	with	with	IN
39142	2157	37	the	the	DT
39142	2157	38	seasons	season	NNS
39142	2157	39	,	,	,
39142	2157	40	thereby	thereby	RB
39142	2157	41	indicating	indicate	VBG
39142	2157	42	a	a	DT
39142	2157	43	certainty	certainty	NN
39142	2157	44	of	of	IN
39142	2157	45	atmosphere	atmosphere	NN
39142	2157	46	whose	whose	WP$
39142	2157	47	equatorial	equatorial	JJ
39142	2157	48	and	and	CC
39142	2157	49	polar	polar	JJ
39142	2157	50	circulation	circulation	NN
39142	2157	51	transports	transport	VBZ
39142	2157	52	the	the	DT
39142	2157	53	moisture	moisture	NN
39142	2157	54	poleward	poleward	NN
39142	2157	55	to	to	TO
39142	2157	56	form	form	VB
39142	2157	57	the	the	DT
39142	2157	58	snow	snow	NN
39142	2157	59	and	and	CC
39142	2157	60	ice	ice	NN
39142	2157	61	of	of	IN
39142	2157	62	which	which	WDT
39142	2157	63	the	the	DT
39142	2157	64	polar	polar	JJ
39142	2157	65	caps	cap	NNS
39142	2157	66	no	no	RB
39142	2157	67	doubt	doubt	RB
39142	2157	68	consist	consist	VBP
39142	2157	69	.	.	.
39142	2158	1	There	there	EX
39142	2158	2	is	be	VBZ
39142	2158	3	a	a	DT
39142	2158	4	variety	variety	NN
39142	2158	5	of	of	IN
39142	2158	6	evidence	evidence	NN
39142	2158	7	pointing	point	VBG
39142	2158	8	to	to	IN
39142	2158	9	an	an	DT
39142	2158	10	atmosphere	atmosphere	NN
39142	2158	11	on	on	IN
39142	2158	12	Mars	Mars	NNP
39142	2158	13	of	of	IN
39142	2158	14	one	one	CD
39142	2158	15	-	-	HYPH
39142	2158	16	third	third	NN
39142	2158	17	to	to	IN
39142	2158	18	one	one	CD
39142	2158	19	-	-	HYPH
39142	2158	20	half	half	NN
39142	2158	21	the	the	DT
39142	2158	22	density	density	NN
39142	2158	23	of	of	IN
39142	2158	24	our	-PRON-	PRP$
39142	2158	25	own	own	JJ
39142	2158	26	:	:	:
39142	2158	27	an	an	DT
39142	2158	28	atmosphere	atmosphere	NN
39142	2158	29	in	in	IN
39142	2158	30	which	which	WDT
39142	2158	31	free	free	JJ
39142	2158	32	hydrogen	hydrogen	NN
39142	2158	33	could	could	MD
39142	2158	34	not	not	RB
39142	2158	35	exist	exist	VB
39142	2158	36	,	,	,
39142	2158	37	although	although	IN
39142	2158	38	other	other	JJ
39142	2158	39	gases	gas	NNS
39142	2158	40	might	may	MD
39142	2158	41	.	.	.
39142	2159	1	The	the	DT
39142	2159	2	spectroscopic	spectroscopic	JJ
39142	2159	3	evidence	evidence	NN
39142	2159	4	of	of	IN
39142	2159	5	water	water	NN
39142	2159	6	vapor	vapor	NN
39142	2159	7	in	in	IN
39142	2159	8	the	the	DT
39142	2159	9	Martian	martian	JJ
39142	2159	10	atmosphere	atmosphere	NN
39142	2159	11	is	be	VBZ
39142	2159	12	not	not	RB
39142	2159	13	very	very	RB
39142	2159	14	strong	strong	JJ
39142	2159	15	.	.	.
39142	2160	1	It	-PRON-	PRP
39142	2160	2	is	be	VBZ
39142	2160	3	very	very	RB
39142	2160	4	doubtful	doubtful	JJ
39142	2160	5	whether	whether	IN
39142	2160	6	water	water	NN
39142	2160	7	exists	exist	VBZ
39142	2160	8	on	on	IN
39142	2160	9	Mars	Mars	NNP
39142	2160	10	in	in	IN
39142	2160	11	large	large	JJ
39142	2160	12	bodies	body	NNS
39142	2160	13	:	:	:
39142	2160	14	quite	quite	RB
39142	2160	15	certainly	certainly	RB
39142	2160	16	not	not	RB
39142	2160	17	as	as	IN
39142	2160	18	oceans	ocean	NNS
39142	2160	19	,	,	,
39142	2160	20	though	though	IN
39142	2160	21	the	the	DT
39142	2160	22	evidence	evidence	NN
39142	2160	23	of	of	IN
39142	2160	24	many	many	JJ
39142	2160	25	small	small	JJ
39142	2160	26	"	"	``
39142	2160	27	lakes	lake	NNS
39142	2160	28	"	"	''
39142	2160	29	is	be	VBZ
39142	2160	30	pretty	pretty	RB
39142	2160	31	well	well	RB
39142	2160	32	made	make	VBN
39142	2160	33	out	out	RP
39142	2160	34	.	.	.
39142	2161	1	With	with	IN
39142	2161	2	very	very	RB
39142	2161	3	little	little	JJ
39142	2161	4	water	water	NN
39142	2161	5	,	,	,
39142	2161	6	a	a	DT
39142	2161	7	thin	thin	JJ
39142	2161	8	atmosphere	atmosphere	NN
39142	2161	9	and	and	CC
39142	2161	10	a	a	DT
39142	2161	11	zero	zero	CD
39142	2161	12	temperature	temperature	NN
39142	2161	13	,	,	,
39142	2161	14	is	be	VBZ
39142	2161	15	Mars	Mars	NNP
39142	2161	16	likely	likely	JJ
39142	2161	17	to	to	TO
39142	2161	18	be	be	VB
39142	2161	19	inhabited	inhabit	VBN
39142	2161	20	at	at	IN
39142	2161	21	the	the	DT
39142	2161	22	present	present	JJ
39142	2161	23	time	time	NN
39142	2161	24	?	?	.
39142	2162	1	The	the	DT
39142	2162	2	chances	chance	NNS
39142	2162	3	are	be	VBP
39142	2162	4	rather	rather	RB
39142	2162	5	against	against	IN
39142	2162	6	it	-PRON-	PRP
39142	2162	7	.	.	.
39142	2163	1	If	if	IN
39142	2163	2	,	,	,
39142	2163	3	however	however	RB
39142	2163	4	,	,	,
39142	2163	5	the	the	DT
39142	2163	6	past	past	JJ
39142	2163	7	development	development	NN
39142	2163	8	of	of	IN
39142	2163	9	the	the	DT
39142	2163	10	planet	planet	NN
39142	2163	11	has	have	VBZ
39142	2163	12	progressed	progress	VBN
39142	2163	13	in	in	IN
39142	2163	14	the	the	DT
39142	2163	15	way	way	NN
39142	2163	16	usually	usually	RB
39142	2163	17	considered	consider	VBN
39142	2163	18	as	as	IN
39142	2163	19	probable	probable	JJ
39142	2163	20	,	,	,
39142	2163	21	we	-PRON-	PRP
39142	2163	22	may	may	MD
39142	2163	23	be	be	VB
39142	2163	24	practically	practically	RB
39142	2163	25	certain	certain	JJ
39142	2163	26	that	that	IN
39142	2163	27	Mars	Mars	NNP
39142	2163	28	has	have	VBZ
39142	2163	29	been	be	VBN
39142	2163	30	inhabited	inhabit	VBN
39142	2163	31	in	in	IN
39142	2163	32	the	the	DT
39142	2163	33	past	past	NN
39142	2163	34	,	,	,
39142	2163	35	when	when	WRB
39142	2163	36	water	water	NN
39142	2163	37	was	be	VBD
39142	2163	38	more	more	RBR
39142	2163	39	abundant	abundant	JJ
39142	2163	40	,	,	,
39142	2163	41	and	and	CC
39142	2163	42	the	the	DT
39142	2163	43	atmosphere	atmosphere	NN
39142	2163	44	more	more	RBR
39142	2163	45	dense	dense	JJ
39142	2163	46	so	so	IN
39142	2163	47	as	as	IN
39142	2163	48	to	to	TO
39142	2163	49	retain	retain	VB
39142	2163	50	and	and	CC
39142	2163	51	diffuse	diffuse	VB
39142	2163	52	the	the	DT
39142	2163	53	solar	solar	JJ
39142	2163	54	heat	heat	NN
39142	2163	55	.	.	.
39142	2164	1	Biologists	biologist	NNS
39142	2164	2	tell	tell	VBP
39142	2164	3	me	-PRON-	PRP
39142	2164	4	that	that	IN
39142	2164	5	they	-PRON-	PRP
39142	2164	6	hardly	hardly	RB
39142	2164	7	know	know	VBP
39142	2164	8	enough	enough	JJ
39142	2164	9	regarding	regard	VBG
39142	2164	10	the	the	DT
39142	2164	11	extreme	extreme	JJ
39142	2164	12	adaptability	adaptability	NN
39142	2164	13	of	of	IN
39142	2164	14	organisms	organism	NNS
39142	2164	15	to	to	TO
39142	2164	16	environment	environment	VB
39142	2164	17	to	to	TO
39142	2164	18	enable	enable	VB
39142	2164	19	them	-PRON-	PRP
39142	2164	20	to	to	TO
39142	2164	21	say	say	VB
39142	2164	22	whether	whether	IN
39142	2164	23	life	life	NN
39142	2164	24	on	on	IN
39142	2164	25	such	such	PDT
39142	2164	26	a	a	DT
39142	2164	27	planet	planet	NN
39142	2164	28	as	as	IN
39142	2164	29	Mars	Mars	NNP
39142	2164	30	would	would	MD
39142	2164	31	or	or	CC
39142	2164	32	would	would	MD
39142	2164	33	not	not	RB
39142	2164	34	keep	keep	VB
39142	2164	35	on	on	RP
39142	2164	36	functioning	function	VBG
39142	2164	37	with	with	IN
39142	2164	38	secular	secular	JJ
39142	2164	39	changes	change	NNS
39142	2164	40	of	of	IN
39142	2164	41	moisture	moisture	NN
39142	2164	42	and	and	CC
39142	2164	43	temperature	temperature	NN
39142	2164	44	.	.	.
39142	2165	1	The	the	DT
39142	2165	2	survival	survival	NN
39142	2165	3	of	of	IN
39142	2165	4	a	a	DT
39142	2165	5	race	race	NN
39142	2165	6	might	may	MD
39142	2165	7	be	be	VB
39142	2165	8	insured	insure	VBN
39142	2165	9	against	against	IN
39142	2165	10	extremely	extremely	RB
39142	2165	11	low	low	JJ
39142	2165	12	temperatures	temperature	NNS
39142	2165	13	by	by	IN
39142	2165	14	dwelling	dwell	VBG
39142	2165	15	in	in	IN
39142	2165	16	sub	sub	JJ
39142	2165	17	-	-	JJ
39142	2165	18	Martian	martian	JJ
39142	2165	19	caves	cave	NNS
39142	2165	20	,	,	,
39142	2165	21	and	and	CC
39142	2165	22	sufficient	sufficient	JJ
39142	2165	23	water	water	NN
39142	2165	24	might	may	MD
39142	2165	25	be	be	VB
39142	2165	26	preserved	preserve	VBN
39142	2165	27	by	by	IN
39142	2165	28	conceivable	conceivable	JJ
39142	2165	29	engineering	engineering	NN
39142	2165	30	and	and	CC
39142	2165	31	mechanical	mechanical	JJ
39142	2165	32	schemes	scheme	NNS
39142	2165	33	;	;	:
39142	2165	34	but	but	CC
39142	2165	35	the	the	DT
39142	2165	36	secular	secular	JJ
39142	2165	37	reduction	reduction	NN
39142	2165	38	of	of	IN
39142	2165	39	the	the	DT
39142	2165	40	quantity	quantity	NN
39142	2165	41	and	and	CC
39142	2165	42	pressure	pressure	NN
39142	2165	43	of	of	IN
39142	2165	44	atmosphere	atmosphere	NN
39142	2165	45	--	--	:
39142	2165	46	it	-PRON-	PRP
39142	2165	47	is	be	VBZ
39142	2165	48	not	not	RB
39142	2165	49	easy	easy	JJ
39142	2165	50	to	to	TO
39142	2165	51	see	see	VB
39142	2165	52	how	how	WRB
39142	2165	53	a	a	DT
39142	2165	54	race	race	NN
39142	2165	55	even	even	RB
39142	2165	56	more	more	RBR
39142	2165	57	advanced	advanced	JJ
39142	2165	58	than	than	IN
39142	2165	59	ourselves	-PRON-	PRP
39142	2165	60	could	could	MD
39142	2165	61	maintain	maintain	VB
39142	2165	62	itself	-PRON-	PRP
39142	2165	63	alive	alive	JJ
39142	2165	64	under	under	IN
39142	2165	65	serious	serious	JJ
39142	2165	66	lack	lack	NN
39142	2165	67	of	of	IN
39142	2165	68	an	an	DT
39142	2165	69	element	element	NN
39142	2165	70	so	so	RB
39142	2165	71	vital	vital	JJ
39142	2165	72	to	to	TO
39142	2165	73	existence	existence	VB
39142	2165	74	.	.	.
39142	2166	1	Both	both	DT
39142	2166	2	Wallace	Wallace	NNP
39142	2166	3	,	,	,
39142	2166	4	the	the	DT
39142	2166	5	great	great	JJ
39142	2166	6	biologist	biologist	NN
39142	2166	7	,	,	,
39142	2166	8	and	and	CC
39142	2166	9	Arrhenius	Arrhenius	NNP
39142	2166	10	,	,	,
39142	2166	11	the	the	DT
39142	2166	12	eminent	eminent	JJ
39142	2166	13	chemist	chemist	NN
39142	2166	14	(	(	-LRB-
39142	2166	15	but	but	CC
39142	2166	16	biologist	biologist	NNP
39142	2166	17	,	,	,
39142	2166	18	astronomer	astronomer	NN
39142	2166	19	,	,	,
39142	2166	20	and	and	CC
39142	2166	21	physicist	physicist	VB
39142	2166	22	as	as	RB
39142	2166	23	well	well	RB
39142	2166	24	)	)	-RRB-
39142	2166	25	,	,	,
39142	2166	26	both	both	DT
39142	2166	27	reject	reject	VBP
39142	2166	28	the	the	DT
39142	2166	29	habitation	habitation	NN
39142	2166	30	theory	theory	NN
39142	2166	31	of	of	IN
39142	2166	32	Mars	Mars	NNP
39142	2166	33	,	,	,
39142	2166	34	regarding	regard	VBG
39142	2166	35	the	the	DT
39142	2166	36	so	so	RB
39142	2166	37	-	-	HYPH
39142	2166	38	called	call	VBN
39142	2166	39	canals	canal	NNS
39142	2166	40	as	as	RB
39142	2166	41	quite	quite	RB
39142	2166	42	like	like	IN
39142	2166	43	the	the	DT
39142	2166	44	luminous	luminous	JJ
39142	2166	45	streaks	streak	NNS
39142	2166	46	on	on	IN
39142	2166	47	the	the	DT
39142	2166	48	moon	moon	NN
39142	2166	49	;	;	:
39142	2166	50	that	that	RB
39142	2166	51	is	is	RB
39142	2166	52	,	,	,
39142	2166	53	cracks	crack	NNS
39142	2166	54	in	in	IN
39142	2166	55	the	the	DT
39142	2166	56	volcanic	volcanic	JJ
39142	2166	57	crust	crust	NN
39142	2166	58	caused	cause	VBN
39142	2166	59	by	by	IN
39142	2166	60	internal	internal	JJ
39142	2166	61	strains	strain	NNS
39142	2166	62	due	due	JJ
39142	2166	63	to	to	IN
39142	2166	64	the	the	DT
39142	2166	65	heated	heat	VBN
39142	2166	66	interior	interior	NN
39142	2166	67	.	.	.
39142	2167	1	Wallace	Wallace	NNP
39142	2167	2	,	,	,
39142	2167	3	indeed	indeed	RB
39142	2167	4	,	,	,
39142	2167	5	argues	argue	VBZ
39142	2167	6	that	that	IN
39142	2167	7	the	the	DT
39142	2167	8	planet	planet	NN
39142	2167	9	is	be	VBZ
39142	2167	10	absolutely	absolutely	RB
39142	2167	11	uninhabitable	uninhabitable	JJ
39142	2167	12	.	.	.
39142	2168	1	The	the	DT
39142	2168	2	asteroids	asteroid	NNS
39142	2168	3	,	,	,
39142	2168	4	or	or	CC
39142	2168	5	minor	minor	JJ
39142	2168	6	planets	planet	NNS
39142	2168	7	?	?	.
39142	2169	1	We	-PRON-	PRP
39142	2169	2	may	may	MD
39142	2169	3	dismiss	dismiss	VB
39142	2169	4	them	-PRON-	PRP
39142	2169	5	with	with	IN
39142	2169	6	the	the	DT
39142	2169	7	simple	simple	JJ
39142	2169	8	consideration	consideration	NN
39142	2169	9	that	that	IN
39142	2169	10	their	-PRON-	PRP$
39142	2169	11	individual	individual	JJ
39142	2169	12	masses	masse	NNS
39142	2169	13	are	be	VBP
39142	2169	14	so	so	RB
39142	2169	15	insignificant	insignificant	JJ
39142	2169	16	and	and	CC
39142	2169	17	their	-PRON-	PRP$
39142	2169	18	gravity	gravity	NN
39142	2169	19	so	so	RB
39142	2169	20	slight	slight	JJ
39142	2169	21	that	that	IN
39142	2169	22	no	no	DT
39142	2169	23	atmosphere	atmosphere	NN
39142	2169	24	can	can	MD
39142	2169	25	possibly	possibly	RB
39142	2169	26	surround	surround	VB
39142	2169	27	them	-PRON-	PRP
39142	2169	28	.	.	.
39142	2170	1	Their	-PRON-	PRP$
39142	2170	2	temperatures	temperature	NNS
39142	2170	3	must	must	MD
39142	2170	4	be	be	VB
39142	2170	5	exceedingly	exceedingly	RB
39142	2170	6	low	low	JJ
39142	2170	7	,	,	,
39142	2170	8	and	and	CC
39142	2170	9	water	water	NN
39142	2170	10	,	,	,
39142	2170	11	if	if	IN
39142	2170	12	present	present	JJ
39142	2170	13	at	at	RB
39142	2170	14	all	all	RB
39142	2170	15	,	,	,
39142	2170	16	can	can	MD
39142	2170	17	only	only	RB
39142	2170	18	exist	exist	VB
39142	2170	19	in	in	IN
39142	2170	20	the	the	DT
39142	2170	21	form	form	NN
39142	2170	22	of	of	IN
39142	2170	23	ice	ice	NN
39142	2170	24	.	.	.
39142	2171	1	Jupiter	Jupiter	NNP
39142	2171	2	,	,	,
39142	2171	3	the	the	DT
39142	2171	4	giant	giant	JJ
39142	2171	5	planet	planet	NN
39142	2171	6	,	,	,
39142	2171	7	presents	present	VBZ
39142	2171	8	the	the	DT
39142	2171	9	opposite	opposite	JJ
39142	2171	10	extreme	extreme	NN
39142	2171	11	.	.	.
39142	2172	1	His	-PRON-	PRP$
39142	2172	2	mass	mass	NN
39142	2172	3	is	be	VBZ
39142	2172	4	nearly	nearly	RB
39142	2172	5	a	a	DT
39142	2172	6	thousandth	thousandth	JJ
39142	2172	7	part	part	NN
39142	2172	8	of	of	IN
39142	2172	9	the	the	DT
39142	2172	10	sun	sun	NN
39142	2172	11	's	's	POS
39142	2172	12	,	,	,
39142	2172	13	and	and	CC
39142	2172	14	is	be	VBZ
39142	2172	15	sufficient	sufficient	JJ
39142	2172	16	to	to	TO
39142	2172	17	retain	retain	VB
39142	2172	18	a	a	DT
39142	2172	19	very	very	RB
39142	2172	20	high	high	JJ
39142	2172	21	temperature	temperature	NN
39142	2172	22	,	,	,
39142	2172	23	probably	probably	RB
39142	2172	24	approximating	approximate	VBG
39142	2172	25	to	to	IN
39142	2172	26	the	the	DT
39142	2172	27	condition	condition	NN
39142	2172	28	we	-PRON-	PRP
39142	2172	29	call	call	VBP
39142	2172	30	red	red	JJ
39142	2172	31	-	-	HYPH
39142	2172	32	hot	hot	JJ
39142	2172	33	.	.	.
39142	2173	1	This	this	DT
39142	2173	2	precludes	preclude	VBZ
39142	2173	3	the	the	DT
39142	2173	4	possibility	possibility	NN
39142	2173	5	of	of	IN
39142	2173	6	life	life	NN
39142	2173	7	at	at	IN
39142	2173	8	the	the	DT
39142	2173	9	outset	outset	NN
39142	2173	10	,	,	,
39142	2173	11	although	although	IN
39142	2173	12	the	the	DT
39142	2173	13	indications	indication	NNS
39142	2173	14	of	of	IN
39142	2173	15	a	a	DT
39142	2173	16	very	very	RB
39142	2173	17	dense	dense	JJ
39142	2173	18	atmosphere	atmosphere	NN
39142	2173	19	many	many	JJ
39142	2173	20	thousand	thousand	CD
39142	2173	21	miles	mile	NNS
39142	2173	22	in	in	IN
39142	2173	23	depth	depth	NN
39142	2173	24	are	be	VBP
39142	2173	25	unmistakable	unmistakable	JJ
39142	2173	26	.	.	.
39142	2174	1	Of	of	IN
39142	2174	2	Saturn	Saturn	NNP
39142	2174	3	,	,	,
39142	2174	4	one	one	CD
39142	2174	5	thirty	thirty	CD
39142	2174	6	-	-	HYPH
39142	2174	7	five	five	CD
39142	2174	8	hundredth	hundredth	JJ
39142	2174	9	the	the	DT
39142	2174	10	mass	mass	NN
39142	2174	11	of	of	IN
39142	2174	12	the	the	DT
39142	2174	13	sun	sun	NN
39142	2174	14	,	,	,
39142	2174	15	practically	practically	RB
39142	2174	16	the	the	DT
39142	2174	17	same	same	JJ
39142	2174	18	may	may	MD
39142	2174	19	be	be	VB
39142	2174	20	said	say	VBN
39142	2174	21	.	.	.
39142	2175	1	Proctor	proctor	NN
39142	2175	2	thought	think	VBD
39142	2175	3	it	-PRON-	PRP
39142	2175	4	quite	quite	RB
39142	2175	5	likely	likely	RB
39142	2175	6	that	that	IN
39142	2175	7	Saturn	Saturn	NNP
39142	2175	8	might	may	MD
39142	2175	9	be	be	VB
39142	2175	10	habitable	habitable	JJ
39142	2175	11	for	for	IN
39142	2175	12	living	live	VBG
39142	2175	13	creatures	creature	NNS
39142	2175	14	of	of	IN
39142	2175	15	some	some	DT
39142	2175	16	sort	sort	NN
39142	2175	17	,	,	,
39142	2175	18	but	but	CC
39142	2175	19	he	-PRON-	PRP
39142	2175	20	regarded	regard	VBD
39142	2175	21	the	the	DT
39142	2175	22	planet	planet	NN
39142	2175	23	as	as	IN
39142	2175	24	on	on	IN
39142	2175	25	many	many	JJ
39142	2175	26	accounts	account	NNS
39142	2175	27	unsuitable	unsuitable	JJ
39142	2175	28	as	as	IN
39142	2175	29	a	a	DT
39142	2175	30	habitation	habitation	NN
39142	2175	31	for	for	IN
39142	2175	32	beings	being	NNS
39142	2175	33	constituted	constitute	VBN
39142	2175	34	like	like	IN
39142	2175	35	ourselves	-PRON-	PRP
39142	2175	36	.	.	.
39142	2176	1	Mere	mere	JJ
39142	2176	2	consideration	consideration	NN
39142	2176	3	of	of	IN
39142	2176	4	surface	surface	NN
39142	2176	5	temperature	temperature	NN
39142	2176	6	precludes	preclude	VBZ
39142	2176	7	the	the	DT
39142	2176	8	possibility	possibility	NN
39142	2176	9	of	of	IN
39142	2176	10	life	life	NN
39142	2176	11	in	in	IN
39142	2176	12	the	the	DT
39142	2176	13	present	present	JJ
39142	2176	14	stage	stage	NN
39142	2176	15	of	of	IN
39142	2176	16	Saturn	Saturn	NNP
39142	2176	17	's	's	POS
39142	2176	18	development	development	NN
39142	2176	19	;	;	:
39142	2176	20	but	but	CC
39142	2176	21	the	the	DT
39142	2176	22	consensus	consensus	NN
39142	2176	23	of	of	IN
39142	2176	24	opinion	opinion	NN
39142	2176	25	is	be	VBZ
39142	2176	26	to	to	IN
39142	2176	27	the	the	DT
39142	2176	28	effect	effect	NN
39142	2176	29	that	that	IN
39142	2176	30	life	life	NN
39142	2176	31	may	may	MD
39142	2176	32	make	make	VB
39142	2176	33	its	-PRON-	PRP$
39142	2176	34	appearance	appearance	NN
39142	2176	35	on	on	IN
39142	2176	36	these	these	DT
39142	2176	37	great	great	JJ
39142	2176	38	planets	planet	NNS
39142	2176	39	at	at	IN
39142	2176	40	some	some	DT
39142	2176	41	inconceivably	inconceivably	RB
39142	2176	42	remote	remote	JJ
39142	2176	43	epoch	epoch	NN
39142	2176	44	in	in	IN
39142	2176	45	the	the	DT
39142	2176	46	future	future	NN
39142	2176	47	when	when	WRB
39142	2176	48	the	the	DT
39142	2176	49	surface	surface	NN
39142	2176	50	temperature	temperature	NN
39142	2176	51	is	be	VBZ
39142	2176	52	sufficiently	sufficiently	RB
39142	2176	53	reduced	reduce	VBN
39142	2176	54	for	for	IN
39142	2176	55	life	life	NN
39142	2176	56	processes	process	NNS
39142	2176	57	to	to	TO
39142	2176	58	begin	begin	VB
39142	2176	59	.	.	.
39142	2177	1	Discoveries	discovery	NNS
39142	2177	2	of	of	IN
39142	2177	3	algæ	algæ	NNP
39142	2177	4	flourishing	flourish	VBG
39142	2177	5	in	in	IN
39142	2177	6	hot	hot	JJ
39142	2177	7	springs	spring	NNS
39142	2177	8	approaching	approach	VBG
39142	2177	9	200	200	CD
39142	2177	10	degrees	degree	NNS
39142	2177	11	Fahrenheit	Fahrenheit	NNP
39142	2177	12	make	make	VBP
39142	2177	13	it	-PRON-	PRP
39142	2177	14	possible	possible	JJ
39142	2177	15	that	that	IN
39142	2177	16	these	these	DT
39142	2177	17	beginnings	beginning	NNS
39142	2177	18	may	may	MD
39142	2177	19	take	take	VB
39142	2177	20	place	place	NN
39142	2177	21	earlier	early	RBR
39142	2177	22	and	and	CC
39142	2177	23	at	at	IN
39142	2177	24	much	much	RB
39142	2177	25	higher	high	JJR
39142	2177	26	temperatures	temperature	NNS
39142	2177	27	than	than	IN
39142	2177	28	have	have	VBP
39142	2177	29	hitherto	hitherto	VBN
39142	2177	30	been	be	VBN
39142	2177	31	thought	think	VBN
39142	2177	32	possible	possible	JJ
39142	2177	33	.	.	.
39142	2178	1	A	a	DT
39142	2178	2	century	century	NN
39142	2178	3	ago	ago	RB
39142	2178	4	,	,	,
39142	2178	5	when	when	WRB
39142	2178	6	the	the	DT
39142	2178	7	ring	ring	NN
39142	2178	8	of	of	IN
39142	2178	9	Saturn	Saturn	NNP
39142	2178	10	was	be	VBD
39142	2178	11	believed	believe	VBN
39142	2178	12	to	to	TO
39142	2178	13	be	be	VB
39142	2178	14	a	a	DT
39142	2178	15	continuous	continuous	JJ
39142	2178	16	plane	plane	NN
39142	2178	17	,	,	,
39142	2178	18	this	this	DT
39142	2178	19	was	be	VBD
39142	2178	20	a	a	DT
39142	2178	21	favorite	favorite	JJ
39142	2178	22	corner	corner	NN
39142	2178	23	of	of	IN
39142	2178	24	the	the	DT
39142	2178	25	solar	solar	JJ
39142	2178	26	system	system	NN
39142	2178	27	for	for	IN
39142	2178	28	speculation	speculation	NN
39142	2178	29	as	as	IN
39142	2178	30	to	to	IN
39142	2178	31	habitability	habitability	NN
39142	2178	32	;	;	:
39142	2178	33	but	but	CC
39142	2178	34	now	now	RB
39142	2178	35	that	that	IN
39142	2178	36	we	-PRON-	PRP
39142	2178	37	know	know	VBP
39142	2178	38	the	the	DT
39142	2178	39	true	true	JJ
39142	2178	40	constitution	constitution	NN
39142	2178	41	of	of	IN
39142	2178	42	the	the	DT
39142	2178	43	rings	ring	NNS
39142	2178	44	,	,	,
39142	2178	45	no	no	DT
39142	2178	46	one	one	NN
39142	2178	47	would	would	MD
39142	2178	48	for	for	IN
39142	2178	49	a	a	DT
39142	2178	50	moment	moment	NN
39142	2178	51	consider	consider	VB
39142	2178	52	any	any	DT
39142	2178	53	such	such	JJ
39142	2178	54	possibility	possibility	NN
39142	2178	55	.	.	.
39142	2179	1	Conditions	condition	NNS
39142	2179	2	may	may	MD
39142	2179	3	,	,	,
39142	2179	4	however	however	RB
39142	2179	5	,	,	,
39142	2179	6	be	be	VB
39142	2179	7	quite	quite	RB
39142	2179	8	different	different	JJ
39142	2179	9	with	with	IN
39142	2179	10	Saturn	Saturn	NNP
39142	2179	11	's	's	POS
39142	2179	12	huge	huge	JJ
39142	2179	13	satellite	satellite	NN
39142	2179	14	Titan	Titan	NNP
39142	2179	15	,	,	,
39142	2179	16	the	the	DT
39142	2179	17	giant	giant	JJ
39142	2179	18	moon	moon	NN
39142	2179	19	of	of	IN
39142	2179	20	the	the	DT
39142	2179	21	solar	solar	JJ
39142	2179	22	system	system	NN
39142	2179	23	.	.	.
39142	2180	1	Its	-PRON-	PRP$
39142	2180	2	diameter	diameter	NN
39142	2180	3	makes	make	VBZ
39142	2180	4	it	-PRON-	PRP
39142	2180	5	approximately	approximately	RB
39142	2180	6	the	the	DT
39142	2180	7	size	size	NN
39142	2180	8	of	of	IN
39142	2180	9	the	the	DT
39142	2180	10	planet	planet	NN
39142	2180	11	Mars	Mars	NNP
39142	2180	12	;	;	:
39142	2180	13	and	and	CC
39142	2180	14	although	although	IN
39142	2180	15	it	-PRON-	PRP
39142	2180	16	is	be	VBZ
39142	2180	17	much	much	RB
39142	2180	18	farther	far	RBR
39142	2180	19	removed	remove	VBN
39142	2180	20	from	from	IN
39142	2180	21	the	the	DT
39142	2180	22	sun	sun	NN
39142	2180	23	,	,	,
39142	2180	24	its	-PRON-	PRP$
39142	2180	25	relative	relative	JJ
39142	2180	26	nearness	nearness	NN
39142	2180	27	to	to	IN
39142	2180	28	the	the	DT
39142	2180	29	highly	highly	RB
39142	2180	30	heated	heated	JJ
39142	2180	31	globe	globe	NN
39142	2180	32	of	of	IN
39142	2180	33	Saturn	Saturn	NNP
39142	2180	34	may	may	MD
39142	2180	35	provide	provide	VB
39142	2180	36	that	that	DT
39142	2180	37	equability	equability	NN
39142	2180	38	of	of	IN
39142	2180	39	temperature	temperature	NN
39142	2180	40	which	which	WDT
39142	2180	41	is	be	VBZ
39142	2180	42	essential	essential	JJ
39142	2180	43	to	to	IN
39142	2180	44	life	life	NN
39142	2180	45	processes	process	NNS
39142	2180	46	.	.	.
39142	2181	1	Also	also	RB
39142	2181	2	the	the	DT
39142	2181	3	three	three	CD
39142	2181	4	inner	inner	JJ
39142	2181	5	Galilean	galilean	JJ
39142	2181	6	moons	moon	NNS
39142	2181	7	of	of	IN
39142	2181	8	Jupiter	Jupiter	NNP
39142	2181	9	,	,	,
39142	2181	10	especially	especially	RB
39142	2181	11	III	iii	CD
39142	2181	12	which	which	WDT
39142	2181	13	is	be	VBZ
39142	2181	14	about	about	IN
39142	2181	15	the	the	DT
39142	2181	16	size	size	NN
39142	2181	17	of	of	IN
39142	2181	18	Titan	Titan	NNP
39142	2181	19	,	,	,
39142	2181	20	are	be	VBP
39142	2181	21	excellently	excellently	RB
39142	2181	22	placed	place	VBN
39142	2181	23	for	for	IN
39142	2181	24	life	life	NN
39142	2181	25	possibilities	possibility	NNS
39142	2181	26	,	,	,
39142	2181	27	as	as	RB
39142	2181	28	far	far	RB
39142	2181	29	as	as	IN
39142	2181	30	probable	probable	JJ
39142	2181	31	temperature	temperature	NN
39142	2181	32	is	be	VBZ
39142	2181	33	concerned	concern	VBN
39142	2181	34	,	,	,
39142	2181	35	but	but	CC
39142	2181	36	we	-PRON-	PRP
39142	2181	37	have	have	VBP
39142	2181	38	of	of	IN
39142	2181	39	course	course	NN
39142	2181	40	no	no	DT
39142	2181	41	basis	basis	NN
39142	2181	42	for	for	IN
39142	2181	43	surmising	surmise	VBG
39142	2181	44	what	what	WP
39142	2181	45	their	-PRON-	PRP$
39142	2181	46	conditions	condition	NNS
39142	2181	47	may	may	MD
39142	2181	48	be	be	VB
39142	2181	49	as	as	IN
39142	2181	50	to	to	IN
39142	2181	51	air	air	NN
39142	2181	52	and	and	CC
39142	2181	53	water	water	NN
39142	2181	54	,	,	,
39142	2181	55	except	except	IN
39142	2181	56	that	that	IN
39142	2181	57	their	-PRON-	PRP$
39142	2181	58	small	small	JJ
39142	2181	59	mass	mass	NN
39142	2181	60	would	would	MD
39142	2181	61	indicate	indicate	VB
39142	2181	62	a	a	DT
39142	2181	63	probable	probable	JJ
39142	2181	64	deficiency	deficiency	NN
39142	2181	65	of	of	IN
39142	2181	66	those	those	DT
39142	2181	67	elements	element	NNS
39142	2181	68	.	.	.
39142	2182	1	Uranus	Uranus	NNP
39142	2182	2	and	and	CC
39142	2182	3	Neptune	Neptune	NNP
39142	2182	4	are	be	VBP
39142	2182	5	planets	planet	NNS
39142	2182	6	so	so	RB
39142	2182	7	remote	remote	JJ
39142	2182	8	,	,	,
39142	2182	9	and	and	CC
39142	2182	10	their	-PRON-	PRP$
39142	2182	11	apparent	apparent	JJ
39142	2182	12	disks	disk	NNS
39142	2182	13	are	be	VBP
39142	2182	14	so	so	RB
39142	2182	15	small	small	JJ
39142	2182	16	,	,	,
39142	2182	17	that	that	DT
39142	2182	18	very	very	RB
39142	2182	19	little	little	JJ
39142	2182	20	is	be	VBZ
39142	2182	21	known	know	VBN
39142	2182	22	about	about	IN
39142	2182	23	their	-PRON-	PRP$
39142	2182	24	physical	physical	JJ
39142	2182	25	condition	condition	NN
39142	2182	26	.	.	.
39142	2183	1	They	-PRON-	PRP
39142	2183	2	are	be	VBP
39142	2183	3	each	each	DT
39142	2183	4	about	about	RB
39142	2183	5	one	one	CD
39142	2183	6	-	-	HYPH
39142	2183	7	third	third	NN
39142	2183	8	the	the	DT
39142	2183	9	diameter	diameter	NN
39142	2183	10	of	of	IN
39142	2183	11	Jupiter	Jupiter	NNP
39142	2183	12	,	,	,
39142	2183	13	and	and	CC
39142	2183	14	the	the	DT
39142	2183	15	spectrum	spectrum	NN
39142	2183	16	of	of	IN
39142	2183	17	Uranus	Uranus	NNP
39142	2183	18	shows	show	VBZ
39142	2183	19	broad	broad	RB
39142	2183	20	diffused	diffuse	VBN
39142	2183	21	bands	band	NNS
39142	2183	22	,	,	,
39142	2183	23	indicating	indicate	VBG
39142	2183	24	strong	strong	JJ
39142	2183	25	absorption	absorption	NN
39142	2183	26	by	by	IN
39142	2183	27	a	a	DT
39142	2183	28	dense	dense	JJ
39142	2183	29	atmosphere	atmosphere	NN
39142	2183	30	very	very	RB
39142	2183	31	different	different	JJ
39142	2183	32	from	from	IN
39142	2183	33	that	that	DT
39142	2183	34	of	of	IN
39142	2183	35	the	the	DT
39142	2183	36	earth	earth	NN
39142	2183	37	.	.	.
39142	2184	1	Indications	indication	NNS
39142	2184	2	are	be	VBP
39142	2184	3	that	that	IN
39142	2184	4	Neptune	Neptune	NNP
39142	2184	5	has	have	VBZ
39142	2184	6	a	a	DT
39142	2184	7	similar	similar	JJ
39142	2184	8	atmosphere	atmosphere	NN
39142	2184	9	.	.	.
39142	2185	1	It	-PRON-	PRP
39142	2185	2	is	be	VBZ
39142	2185	3	possible	possible	JJ
39142	2185	4	that	that	IN
39142	2185	5	the	the	DT
39142	2185	6	denser	denser	NN
39142	2185	7	atmospheres	atmosphere	NNS
39142	2185	8	of	of	IN
39142	2185	9	these	these	DT
39142	2185	10	remote	remote	JJ
39142	2185	11	planets	planet	NNS
39142	2185	12	may	may	MD
39142	2185	13	be	be	VB
39142	2185	14	so	so	RB
39142	2185	15	conditioned	condition	VBN
39142	2185	16	as	as	IN
39142	2185	17	to	to	IN
39142	2185	18	selective	selective	JJ
39142	2185	19	absorption	absorption	NN
39142	2185	20	that	that	IN
39142	2185	21	the	the	DT
39142	2185	22	relatively	relatively	RB
39142	2185	23	slender	slend	JJR
39142	2185	24	supply	supply	NN
39142	2185	25	of	of	IN
39142	2185	26	solar	solar	JJ
39142	2185	27	heat	heat	NN
39142	2185	28	may	may	MD
39142	2185	29	be	be	VB
39142	2185	30	conserved	conserve	VBN
39142	2185	31	,	,	,
39142	2185	32	and	and	CC
39142	2185	33	thus	thus	RB
39142	2185	34	insure	insure	VB
39142	2185	35	a	a	DT
39142	2185	36	relatively	relatively	RB
39142	2185	37	high	high	JJ
39142	2185	38	surface	surface	NN
39142	2185	39	temperature	temperature	NN
39142	2185	40	when	when	WRB
39142	2185	41	the	the	DT
39142	2185	42	sun	sun	NN
39142	2185	43	comes	come	VBZ
39142	2185	44	into	into	IN
39142	2185	45	control	control	NN
39142	2185	46	.	.	.
39142	2186	1	If	if	IN
39142	2186	2	our	-PRON-	PRP$
39142	2186	3	theories	theory	NNS
39142	2186	4	of	of	IN
39142	2186	5	origin	origin	NN
39142	2186	6	of	of	IN
39142	2186	7	the	the	DT
39142	2186	8	planets	planet	NNS
39142	2186	9	are	be	VBP
39142	2186	10	to	to	TO
39142	2186	11	be	be	VB
39142	2186	12	trusted	trust	VBN
39142	2186	13	,	,	,
39142	2186	14	we	-PRON-	PRP
39142	2186	15	may	may	MD
39142	2186	16	rather	rather	RB
39142	2186	17	suppose	suppose	VB
39142	2186	18	that	that	IN
39142	2186	19	Uranus	Uranus	NNP
39142	2186	20	and	and	CC
39142	2186	21	Neptune	Neptune	NNP
39142	2186	22	are	be	VBP
39142	2186	23	still	still	RB
39142	2186	24	in	in	IN
39142	2186	25	a	a	DT
39142	2186	26	highly	highly	RB
39142	2186	27	heated	heated	JJ
39142	2186	28	condition	condition	NN
39142	2186	29	;	;	:
39142	2186	30	that	that	DT
39142	2186	31	life	life	NN
39142	2186	32	has	have	VBZ
39142	2186	33	not	not	RB
39142	2186	34	yet	yet	RB
39142	2186	35	made	make	VBN
39142	2186	36	its	-PRON-	PRP$
39142	2186	37	appearance	appearance	NN
39142	2186	38	on	on	IN
39142	2186	39	them	-PRON-	PRP
39142	2186	40	,	,	,
39142	2186	41	but	but	CC
39142	2186	42	that	that	IN
39142	2186	43	it	-PRON-	PRP
39142	2186	44	will	will	MD
39142	2186	45	begin	begin	VB
39142	2186	46	its	-PRON-	PRP$
39142	2186	47	development	development	NN
39142	2186	48	ages	age	NNS
39142	2186	49	before	before	IN
39142	2186	50	Saturn	Saturn	NNP
39142	2186	51	and	and	CC
39142	2186	52	Jupiter	Jupiter	NNP
39142	2186	53	have	have	VBP
39142	2186	54	cooled	cool	VBN
39142	2186	55	to	to	IN
39142	2186	56	the	the	DT
39142	2186	57	requisite	requisite	JJ
39142	2186	58	temperature	temperature	NN
39142	2186	59	.	.	.
39142	2187	1	Comets	comet	NNS
39142	2187	2	?	?	.
39142	2188	1	In	in	IN
39142	2188	2	his	-PRON-	PRP$
39142	2188	3	_	_	NNP
39142	2188	4	Lettres	Lettres	NNP
39142	2188	5	Cosmologiques	Cosmologiques	NNPS
39142	2188	6	_	_	NNP
39142	2188	7	(	(	-LRB-
39142	2188	8	1765	1765	CD
39142	2188	9	)	)	-RRB-
39142	2188	10	Lambert	Lambert	NNP
39142	2188	11	considers	consider	VBZ
39142	2188	12	the	the	DT
39142	2188	13	question	question	NN
39142	2188	14	of	of	IN
39142	2188	15	habitability	habitability	NN
39142	2188	16	of	of	IN
39142	2188	17	the	the	DT
39142	2188	18	comets	comet	NNS
39142	2188	19	,	,	,
39142	2188	20	naturally	naturally	RB
39142	2188	21	enough	enough	RB
39142	2188	22	in	in	IN
39142	2188	23	his	-PRON-	PRP$
39142	2188	24	day	day	NN
39142	2188	25	,	,	,
39142	2188	26	because	because	IN
39142	2188	27	he	-PRON-	PRP
39142	2188	28	thought	think	VBD
39142	2188	29	them	-PRON-	PRP
39142	2188	30	solid	solid	JJ
39142	2188	31	bodies	body	NNS
39142	2188	32	surrounded	surround	VBN
39142	2188	33	by	by	IN
39142	2188	34	atmosphere	atmosphere	NN
39142	2188	35	,	,	,
39142	2188	36	and	and	CC
39142	2188	37	related	relate	VBN
39142	2188	38	to	to	IN
39142	2188	39	the	the	DT
39142	2188	40	planets	planet	NNS
39142	2188	41	.	.	.
39142	2189	1	The	the	DT
39142	2189	2	extremes	extreme	NNS
39142	2189	3	of	of	IN
39142	2189	4	temperature	temperature	NN
39142	2189	5	at	at	IN
39142	2189	6	perihelia	perihelia	NNP
39142	2189	7	and	and	CC
39142	2189	8	aphelia	aphelia	NNP
39142	2189	9	to	to	TO
39142	2189	10	which	which	WDT
39142	2189	11	comets	comet	NNS
39142	2189	12	are	be	VBP
39142	2189	13	subjected	subject	VBN
39142	2189	14	did	do	VBD
39142	2189	15	not	not	RB
39142	2189	16	bother	bother	VB
39142	2189	17	him	-PRON-	PRP
39142	2189	18	particularly	particularly	RB
39142	2189	19	.	.	.
39142	2190	1	After	after	IN
39142	2190	2	calculating	calculate	VBG
39142	2190	3	that	that	IN
39142	2190	4	the	the	DT
39142	2190	5	comet	comet	NN
39142	2190	6	of	of	IN
39142	2190	7	1680	1680	CD
39142	2190	8	,	,	,
39142	2190	9	"	"	''
39142	2190	10	being	be	VBG
39142	2190	11	160	160	CD
39142	2190	12	times	time	NNS
39142	2190	13	nearer	nearer	RB
39142	2190	14	to	to	IN
39142	2190	15	the	the	DT
39142	2190	16	sun	sun	NN
39142	2190	17	than	than	IN
39142	2190	18	we	-PRON-	PRP
39142	2190	19	are	be	VBP
39142	2190	20	ourselves	-PRON-	PRP
39142	2190	21	,	,	,
39142	2190	22	must	must	MD
39142	2190	23	have	have	VB
39142	2190	24	been	be	VBN
39142	2190	25	subjected	subject	VBN
39142	2190	26	to	to	IN
39142	2190	27	a	a	DT
39142	2190	28	degree	degree	NN
39142	2190	29	of	of	IN
39142	2190	30	heat	heat	NN
39142	2190	31	25,600	25,600	CD
39142	2190	32	times	time	NNS
39142	2190	33	as	as	RB
39142	2190	34	great	great	JJ
39142	2190	35	as	as	IN
39142	2190	36	we	-PRON-	PRP
39142	2190	37	are	be	VBP
39142	2190	38	,	,	,
39142	2190	39	"	"	''
39142	2190	40	Lambert	Lambert	NNP
39142	2190	41	goes	go	VBZ
39142	2190	42	on	on	RP
39142	2190	43	to	to	TO
39142	2190	44	say	say	VB
39142	2190	45	:	:	:
39142	2190	46	"	"	``
39142	2190	47	Whether	whether	IN
39142	2190	48	this	this	DT
39142	2190	49	comet	comet	NN
39142	2190	50	was	be	VBD
39142	2190	51	of	of	IN
39142	2190	52	a	a	DT
39142	2190	53	more	more	RBR
39142	2190	54	compact	compact	JJ
39142	2190	55	substance	substance	NN
39142	2190	56	than	than	IN
39142	2190	57	our	-PRON-	PRP$
39142	2190	58	globe	globe	NN
39142	2190	59	,	,	,
39142	2190	60	or	or	CC
39142	2190	61	was	be	VBD
39142	2190	62	protected	protect	VBN
39142	2190	63	in	in	IN
39142	2190	64	some	some	DT
39142	2190	65	other	other	JJ
39142	2190	66	way	way	NN
39142	2190	67	,	,	,
39142	2190	68	it	-PRON-	PRP
39142	2190	69	made	make	VBD
39142	2190	70	its	-PRON-	PRP$
39142	2190	71	perihelion	perihelion	NN
39142	2190	72	passage	passage	NN
39142	2190	73	in	in	IN
39142	2190	74	safety	safety	NN
39142	2190	75	,	,	,
39142	2190	76	and	and	CC
39142	2190	77	we	-PRON-	PRP
39142	2190	78	may	may	MD
39142	2190	79	suppose	suppose	VB
39142	2190	80	all	all	PDT
39142	2190	81	its	-PRON-	PRP$
39142	2190	82	inhabitants	inhabitant	NNS
39142	2190	83	also	also	RB
39142	2190	84	passed	pass	VBD
39142	2190	85	safely	safely	RB
39142	2190	86	.	.	.
39142	2191	1	No	no	RB
39142	2191	2	doubt	doubt	RB
39142	2191	3	they	-PRON-	PRP
39142	2191	4	would	would	MD
39142	2191	5	have	have	VB
39142	2191	6	to	to	TO
39142	2191	7	be	be	VB
39142	2191	8	of	of	IN
39142	2191	9	a	a	DT
39142	2191	10	more	more	RBR
39142	2191	11	vigorous	vigorous	JJ
39142	2191	12	temperament	temperament	NN
39142	2191	13	and	and	CC
39142	2191	14	of	of	IN
39142	2191	15	a	a	DT
39142	2191	16	constitution	constitution	NN
39142	2191	17	very	very	RB
39142	2191	18	different	different	JJ
39142	2191	19	from	from	IN
39142	2191	20	our	-PRON-	PRP$
39142	2191	21	own	own	JJ
39142	2191	22	.	.	.
39142	2192	1	But	but	CC
39142	2192	2	why	why	WRB
39142	2192	3	should	should	MD
39142	2192	4	all	all	DT
39142	2192	5	living	live	VBG
39142	2192	6	beings	being	NNS
39142	2192	7	necessarily	necessarily	RB
39142	2192	8	be	be	VB
39142	2192	9	constituted	constitute	VBN
39142	2192	10	like	like	IN
39142	2192	11	ourselves	-PRON-	PRP
39142	2192	12	?	?	.
39142	2193	1	Is	be	VBZ
39142	2193	2	it	-PRON-	PRP
39142	2193	3	not	not	RB
39142	2193	4	infinitely	infinitely	RB
39142	2193	5	more	more	RBR
39142	2193	6	probable	probable	JJ
39142	2193	7	that	that	IN
39142	2193	8	amongst	amongst	IN
39142	2193	9	the	the	DT
39142	2193	10	different	different	JJ
39142	2193	11	globes	globe	NNS
39142	2193	12	of	of	IN
39142	2193	13	the	the	DT
39142	2193	14	universe	universe	NN
39142	2193	15	a	a	DT
39142	2193	16	variety	variety	NN
39142	2193	17	of	of	IN
39142	2193	18	organizations	organization	NNS
39142	2193	19	exist	exist	VBP
39142	2193	20	,	,	,
39142	2193	21	adapted	adapt	VBN
39142	2193	22	to	to	IN
39142	2193	23	the	the	DT
39142	2193	24	wants	want	NNS
39142	2193	25	of	of	IN
39142	2193	26	the	the	DT
39142	2193	27	people	people	NNS
39142	2193	28	who	who	WP
39142	2193	29	inhabit	inhabit	VBP
39142	2193	30	them	-PRON-	PRP
39142	2193	31	,	,	,
39142	2193	32	and	and	CC
39142	2193	33	fitting	fit	VBG
39142	2193	34	them	-PRON-	PRP
39142	2193	35	for	for	IN
39142	2193	36	the	the	DT
39142	2193	37	places	place	NNS
39142	2193	38	in	in	IN
39142	2193	39	which	which	WDT
39142	2193	40	they	-PRON-	PRP
39142	2193	41	dwell	dwell	VBP
39142	2193	42	,	,	,
39142	2193	43	and	and	CC
39142	2193	44	the	the	DT
39142	2193	45	temperatures	temperature	NNS
39142	2193	46	to	to	TO
39142	2193	47	which	which	WDT
39142	2193	48	they	-PRON-	PRP
39142	2193	49	will	will	MD
39142	2193	50	be	be	VB
39142	2193	51	subjected	subject	VBN
39142	2193	52	?	?	.
39142	2194	1	Is	be	VBZ
39142	2194	2	man	man	NN
39142	2194	3	the	the	DT
39142	2194	4	only	only	JJ
39142	2194	5	inhabitant	inhabitant	NN
39142	2194	6	of	of	IN
39142	2194	7	the	the	DT
39142	2194	8	earth	earth	NN
39142	2194	9	itself	-PRON-	PRP
39142	2194	10	?	?	.
39142	2195	1	And	and	CC
39142	2195	2	if	if	IN
39142	2195	3	we	-PRON-	PRP
39142	2195	4	had	have	VBD
39142	2195	5	never	never	RB
39142	2195	6	seen	see	VBN
39142	2195	7	either	either	CC
39142	2195	8	bird	bird	NN
39142	2195	9	or	or	CC
39142	2195	10	fish	fish	NN
39142	2195	11	,	,	,
39142	2195	12	should	should	MD
39142	2195	13	we	-PRON-	PRP
39142	2195	14	not	not	RB
39142	2195	15	believe	believe	VB
39142	2195	16	that	that	IN
39142	2195	17	the	the	DT
39142	2195	18	air	air	NN
39142	2195	19	and	and	CC
39142	2195	20	water	water	NN
39142	2195	21	were	be	VBD
39142	2195	22	uninhabitable	uninhabitable	JJ
39142	2195	23	?	?	.
39142	2196	1	Are	be	VBP
39142	2196	2	we	-PRON-	PRP
39142	2196	3	sure	sure	JJ
39142	2196	4	that	that	IN
39142	2196	5	fire	fire	NN
39142	2196	6	has	have	VBZ
39142	2196	7	not	not	RB
39142	2196	8	its	-PRON-	PRP$
39142	2196	9	invisible	invisible	JJ
39142	2196	10	inhabitants	inhabitant	NNS
39142	2196	11	,	,	,
39142	2196	12	whose	whose	WP$
39142	2196	13	bodies	body	NNS
39142	2196	14	,	,	,
39142	2196	15	made	make	VBN
39142	2196	16	of	of	IN
39142	2196	17	asbestos	asbestos	NN
39142	2196	18	,	,	,
39142	2196	19	are	be	VBP
39142	2196	20	impenetrable	impenetrable	JJ
39142	2196	21	to	to	TO
39142	2196	22	flame	flame	VB
39142	2196	23	?	?	.
39142	2197	1	Let	let	VB
39142	2197	2	us	-PRON-	PRP
39142	2197	3	admit	admit	VB
39142	2197	4	that	that	IN
39142	2197	5	the	the	DT
39142	2197	6	nature	nature	NN
39142	2197	7	of	of	IN
39142	2197	8	the	the	DT
39142	2197	9	beings	being	NNS
39142	2197	10	who	who	WP
39142	2197	11	inhabit	inhabit	VBP
39142	2197	12	comets	comet	NNS
39142	2197	13	is	be	VBZ
39142	2197	14	unknown	unknown	JJ
39142	2197	15	to	to	IN
39142	2197	16	us	-PRON-	PRP
39142	2197	17	;	;	:
39142	2197	18	but	but	CC
39142	2197	19	let	let	VB
39142	2197	20	us	-PRON-	PRP
39142	2197	21	not	not	RB
39142	2197	22	deny	deny	VB
39142	2197	23	their	-PRON-	PRP$
39142	2197	24	existence	existence	NN
39142	2197	25	,	,	,
39142	2197	26	and	and	CC
39142	2197	27	still	still	RB
39142	2197	28	less	less	JJR
39142	2197	29	the	the	DT
39142	2197	30	possibility	possibility	NN
39142	2197	31	of	of	IN
39142	2197	32	it	-PRON-	PRP
39142	2197	33	.	.	.
39142	2197	34	"	"	''
39142	2198	1	Little	little	JJ
39142	2198	2	enough	enough	JJ
39142	2198	3	is	be	VBZ
39142	2198	4	really	really	RB
39142	2198	5	known	know	VBN
39142	2198	6	about	about	IN
39142	2198	7	the	the	DT
39142	2198	8	physical	physical	JJ
39142	2198	9	nature	nature	NN
39142	2198	10	of	of	IN
39142	2198	11	comets	comet	NNS
39142	2198	12	even	even	RB
39142	2198	13	now	now	RB
39142	2198	14	,	,	,
39142	2198	15	but	but	CC
39142	2198	16	what	what	WP
39142	2198	17	we	-PRON-	PRP
39142	2198	18	do	do	VBP
39142	2198	19	know	know	VB
39142	2198	20	indicates	indicate	VBZ
39142	2198	21	incessant	incessant	JJ
39142	2198	22	transformation	transformation	NN
39142	2198	23	and	and	CC
39142	2198	24	instability	instability	NN
39142	2198	25	of	of	IN
39142	2198	26	conditions	condition	NNS
39142	2198	27	that	that	WDT
39142	2198	28	would	would	MD
39142	2198	29	render	render	VB
39142	2198	30	life	life	NN
39142	2198	31	of	of	IN
39142	2198	32	any	any	DT
39142	2198	33	type	type	NN
39142	2198	34	exceedingly	exceedingly	RB
39142	2198	35	difficult	difficult	JJ
39142	2198	36	of	of	IN
39142	2198	37	maintenance	maintenance	NN
39142	2198	38	.	.	.
39142	2199	1	A	a	DT
39142	2199	2	word	word	NN
39142	2199	3	about	about	IN
39142	2199	4	Sir	Sir	NNP
39142	2199	5	William	William	NNP
39142	2199	6	Herschel	Herschel	NNP
39142	2199	7	's	's	POS
39142	2199	8	theory	theory	NN
39142	2199	9	of	of	IN
39142	2199	10	the	the	DT
39142	2199	11	sun	sun	NN
39142	2199	12	and	and	CC
39142	2199	13	its	-PRON-	PRP$
39142	2199	14	habitability	habitability	NN
39142	2199	15	.	.	.
39142	2200	1	He	-PRON-	PRP
39142	2200	2	thought	think	VBD
39142	2200	3	the	the	DT
39142	2200	4	core	core	NN
39142	2200	5	of	of	IN
39142	2200	6	the	the	DT
39142	2200	7	sun	sun	NN
39142	2200	8	a	a	DT
39142	2200	9	dark	dark	JJ
39142	2200	10	,	,	,
39142	2200	11	solid	solid	JJ
39142	2200	12	body	body	NN
39142	2200	13	,	,	,
39142	2200	14	quite	quite	RB
39142	2200	15	cold	cold	JJ
39142	2200	16	,	,	,
39142	2200	17	and	and	CC
39142	2200	18	surrounded	surround	VBN
39142	2200	19	by	by	IN
39142	2200	20	a	a	DT
39142	2200	21	double	double	JJ
39142	2200	22	layer	layer	NN
39142	2200	23	,	,	,
39142	2200	24	the	the	DT
39142	2200	25	inner	inner	JJ
39142	2200	26	one	one	CD
39142	2200	27	of	of	IN
39142	2200	28	which	which	WDT
39142	2200	29	he	-PRON-	PRP
39142	2200	30	conceived	conceive	VBD
39142	2200	31	to	to	TO
39142	2200	32	act	act	VB
39142	2200	33	as	as	IN
39142	2200	34	a	a	DT
39142	2200	35	sort	sort	NN
39142	2200	36	of	of	IN
39142	2200	37	fire	fire	NN
39142	2200	38	screen	screen	NN
39142	2200	39	to	to	TO
39142	2200	40	shield	shield	VB
39142	2200	41	the	the	DT
39142	2200	42	sun	sun	NN
39142	2200	43	proper	proper	JJ
39142	2200	44	against	against	IN
39142	2200	45	the	the	DT
39142	2200	46	intense	intense	JJ
39142	2200	47	heat	heat	NN
39142	2200	48	of	of	IN
39142	2200	49	the	the	DT
39142	2200	50	outer	outer	JJ
39142	2200	51	layer	layer	NN
39142	2200	52	,	,	,
39142	2200	53	or	or	CC
39142	2200	54	photosphere	photosphere	RB
39142	2200	55	by	by	IN
39142	2200	56	which	which	WDT
39142	2200	57	we	-PRON-	PRP
39142	2200	58	see	see	VBP
39142	2200	59	it	-PRON-	PRP
39142	2200	60	.	.	.
39142	2201	1	Viewed	view	VBN
39142	2201	2	in	in	IN
39142	2201	3	this	this	DT
39142	2201	4	light	light	NN
39142	2201	5	,	,	,
39142	2201	6	the	the	DT
39142	2201	7	sun	sun	NN
39142	2201	8	,	,	,
39142	2201	9	he	-PRON-	PRP
39142	2201	10	says	say	VBZ
39142	2201	11	,	,	,
39142	2201	12	"	"	``
39142	2201	13	appears	appear	VBZ
39142	2201	14	to	to	TO
39142	2201	15	be	be	VB
39142	2201	16	nothing	nothing	NN
39142	2201	17	else	else	RB
39142	2201	18	than	than	IN
39142	2201	19	a	a	DT
39142	2201	20	very	very	RB
39142	2201	21	eminent	eminent	JJ
39142	2201	22	,	,	,
39142	2201	23	large	large	JJ
39142	2201	24	and	and	CC
39142	2201	25	lucid	lucid	JJ
39142	2201	26	planet	planet	NN
39142	2201	27	,	,	,
39142	2201	28	evidently	evidently	RB
39142	2201	29	the	the	DT
39142	2201	30	first	first	JJ
39142	2201	31	,	,	,
39142	2201	32	or	or	CC
39142	2201	33	,	,	,
39142	2201	34	in	in	IN
39142	2201	35	strictness	strictness	NN
39142	2201	36	of	of	IN
39142	2201	37	speaking	speaking	NN
39142	2201	38	,	,	,
39142	2201	39	the	the	DT
39142	2201	40	only	only	JJ
39142	2201	41	primary	primary	JJ
39142	2201	42	one	one	CD
39142	2201	43	of	of	IN
39142	2201	44	our	-PRON-	PRP$
39142	2201	45	system	system	NN
39142	2201	46	....	....	.
39142	2202	1	It	-PRON-	PRP
39142	2202	2	is	be	VBZ
39142	2202	3	most	most	RBS
39142	2202	4	probably	probably	RB
39142	2202	5	also	also	RB
39142	2202	6	inhabited	inhabit	VBN
39142	2202	7	,	,	,
39142	2202	8	like	like	IN
39142	2202	9	the	the	DT
39142	2202	10	rest	rest	NN
39142	2202	11	of	of	IN
39142	2202	12	the	the	DT
39142	2202	13	planets	planet	NNS
39142	2202	14	,	,	,
39142	2202	15	by	by	IN
39142	2202	16	beings	being	NNS
39142	2202	17	whose	whose	WP$
39142	2202	18	organs	organ	NNS
39142	2202	19	are	be	VBP
39142	2202	20	adapted	adapt	VBN
39142	2202	21	to	to	IN
39142	2202	22	the	the	DT
39142	2202	23	peculiar	peculiar	JJ
39142	2202	24	circumstances	circumstance	NNS
39142	2202	25	of	of	IN
39142	2202	26	that	that	DT
39142	2202	27	vast	vast	JJ
39142	2202	28	globe	globe	NN
39142	2202	29	.	.	.
39142	2202	30	"	"	''
39142	2203	1	But	but	CC
39142	2203	2	physics	physics	NN
39142	2203	3	and	and	CC
39142	2203	4	biology	biology	NN
39142	2203	5	were	be	VBD
39142	2203	6	undeveloped	undeveloped	JJ
39142	2203	7	sciences	science	NNS
39142	2203	8	in	in	IN
39142	2203	9	Herschel	Herschel	NNP
39142	2203	10	's	's	POS
39142	2203	11	days	day	NNS
39142	2203	12	.	.	.
39142	2204	1	Herschel	Herschel	NNP
39142	2204	2	knew	know	VBD
39142	2204	3	,	,	,
39142	2204	4	however	however	RB
39142	2204	5	,	,	,
39142	2204	6	that	that	IN
39142	2204	7	the	the	DT
39142	2204	8	stars	star	NNS
39142	2204	9	are	be	VBP
39142	2204	10	all	all	DT
39142	2204	11	suns	sun	NNS
39142	2204	12	,	,	,
39142	2204	13	so	so	IN
39142	2204	14	that	that	IN
39142	2204	15	he	-PRON-	PRP
39142	2204	16	must	must	MD
39142	2204	17	have	have	VB
39142	2204	18	conceived	conceive	VBN
39142	2204	19	that	that	IN
39142	2204	20	they	-PRON-	PRP
39142	2204	21	are	be	VBP
39142	2204	22	inhabited	inhabit	VBN
39142	2204	23	also	also	RB
39142	2204	24	,	,	,
39142	2204	25	quite	quite	RB
39142	2204	26	independently	independently	RB
39142	2204	27	of	of	IN
39142	2204	28	the	the	DT
39142	2204	29	question	question	NN
39142	2204	30	whether	whether	IN
39142	2204	31	they	-PRON-	PRP
39142	2204	32	possess	possess	VBP
39142	2204	33	retinues	retinue	NNS
39142	2204	34	of	of	IN
39142	2204	35	planets	planet	NNS
39142	2204	36	,	,	,
39142	2204	37	after	after	IN
39142	2204	38	the	the	DT
39142	2204	39	manner	manner	NN
39142	2204	40	of	of	IN
39142	2204	41	our	-PRON-	PRP$
39142	2204	42	solar	solar	JJ
39142	2204	43	system	system	NN
39142	2204	44	.	.	.
39142	2205	1	This	this	DT
39142	2205	2	again	again	RB
39142	2205	3	is	be	VBZ
39142	2205	4	a	a	DT
39142	2205	5	question	question	NN
39142	2205	6	to	to	TO
39142	2205	7	which	which	WDT
39142	2205	8	the	the	DT
39142	2205	9	astronomer	astronomer	NN
39142	2205	10	of	of	IN
39142	2205	11	the	the	DT
39142	2205	12	present	present	JJ
39142	2205	13	day	day	NN
39142	2205	14	can	can	MD
39142	2205	15	give	give	VB
39142	2205	16	no	no	DT
39142	2205	17	certain	certain	JJ
39142	2205	18	answer	answer	NN
39142	2205	19	.	.	.
39142	2206	1	So	so	RB
39142	2206	2	immensely	immensely	RB
39142	2206	3	distant	distant	JJ
39142	2206	4	are	be	VBP
39142	2206	5	even	even	RB
39142	2206	6	the	the	DT
39142	2206	7	nearest	near	JJS
39142	2206	8	of	of	IN
39142	2206	9	these	these	DT
39142	2206	10	multitudinous	multitudinous	JJ
39142	2206	11	bodies	body	NNS
39142	2206	12	that	that	WDT
39142	2206	13	no	no	DT
39142	2206	14	telescope	telescope	NN
39142	2206	15	can	can	MD
39142	2206	16	ever	ever	RB
39142	2206	17	be	be	VB
39142	2206	18	built	build	VBN
39142	2206	19	large	large	JJ
39142	2206	20	enough	enough	RB
39142	2206	21	or	or	CC
39142	2206	22	powerful	powerful	JJ
39142	2206	23	enough	enough	RB
39142	2206	24	to	to	TO
39142	2206	25	reveal	reveal	VB
39142	2206	26	a	a	DT
39142	2206	27	dark	dark	JJ
39142	2206	28	planet	planet	NN
39142	2206	29	as	as	RB
39142	2206	30	large	large	JJ
39142	2206	31	as	as	IN
39142	2206	32	Jupiter	Jupiter	NNP
39142	2206	33	,	,	,
39142	2206	34	alongside	alongside	IN
39142	2206	35	even	even	RB
39142	2206	36	the	the	DT
39142	2206	37	nearest	near	JJS
39142	2206	38	fixed	fix	VBN
39142	2206	39	star	star	NN
39142	2206	40	.	.	.
39142	2207	1	Whatever	whatever	WDT
39142	2207	2	may	may	MD
39142	2207	3	be	be	VB
39142	2207	4	the	the	DT
39142	2207	5	process	process	NN
39142	2207	6	of	of	IN
39142	2207	7	stellar	stellar	JJ
39142	2207	8	evolution	evolution	NN
39142	2207	9	,	,	,
39142	2207	10	there	there	EX
39142	2207	11	doubtless	doubtless	RB
39142	2207	12	is	be	VBZ
39142	2207	13	an	an	DT
39142	2207	14	era	era	NN
39142	2207	15	of	of	IN
39142	2207	16	many	many	JJ
39142	2207	17	hundreds	hundred	NNS
39142	2207	18	of	of	IN
39142	2207	19	millions	million	NNS
39142	2207	20	of	of	IN
39142	2207	21	years	year	NNS
39142	2207	22	in	in	IN
39142	2207	23	the	the	DT
39142	2207	24	life	life	NN
39142	2207	25	of	of	IN
39142	2207	26	a	a	DT
39142	2207	27	star	star	NN
39142	2207	28	when	when	WRB
39142	2207	29	it	-PRON-	PRP
39142	2207	30	is	be	VBZ
39142	2207	31	passing	pass	VBG
39142	2207	32	through	through	IN
39142	2207	33	a	a	DT
39142	2207	34	planet	planet	NN
39142	2207	35	-	-	HYPH
39142	2207	36	maintaining	maintain	VBG
39142	2207	37	stage	stage	NN
39142	2207	38	.	.	.
39142	2208	1	This	this	DT
39142	2208	2	would	would	MD
39142	2208	3	likely	likely	RB
39142	2208	4	depend	depend	VB
39142	2208	5	upon	upon	IN
39142	2208	6	spectral	spectral	JJ
39142	2208	7	type	type	NN
39142	2208	8	,	,	,
39142	2208	9	or	or	CC
39142	2208	10	to	to	TO
39142	2208	11	be	be	VB
39142	2208	12	indicated	indicate	VBN
39142	2208	13	by	by	IN
39142	2208	14	it	-PRON-	PRP
39142	2208	15	;	;	:
39142	2208	16	and	and	CC
39142	2208	17	as	as	IN
39142	2208	18	about	about	IN
39142	2208	19	half	half	NN
39142	2208	20	of	of	IN
39142	2208	21	the	the	DT
39142	2208	22	stars	star	NNS
39142	2208	23	are	be	VBP
39142	2208	24	of	of	IN
39142	2208	25	the	the	DT
39142	2208	26	solar	solar	JJ
39142	2208	27	type	type	NN
39142	2208	28	,	,	,
39142	2208	29	it	-PRON-	PRP
39142	2208	30	would	would	MD
39142	2208	31	be	be	VB
39142	2208	32	a	a	DT
39142	2208	33	reasonable	reasonable	JJ
39142	2208	34	inference	inference	NN
39142	2208	35	that	that	IN
39142	2208	36	at	at	RB
39142	2208	37	least	least	RBS
39142	2208	38	half	half	NN
39142	2208	39	of	of	IN
39142	2208	40	the	the	DT
39142	2208	41	stars	star	NNS
39142	2208	42	may	may	MD
39142	2208	43	have	have	VB
39142	2208	44	planets	planet	NNS
39142	2208	45	tributary	tributary	JJ
39142	2208	46	to	to	IN
39142	2208	47	them	-PRON-	PRP
39142	2208	48	.	.	.
39142	2209	1	In	in	IN
39142	2209	2	such	such	PDT
39142	2209	3	a	a	DT
39142	2209	4	case	case	NN
39142	2209	5	,	,	,
39142	2209	6	the	the	DT
39142	2209	7	chances	chance	NNS
39142	2209	8	must	must	MD
39142	2209	9	be	be	VB
39142	2209	10	overwhelmingly	overwhelmingly	RB
39142	2209	11	in	in	IN
39142	2209	12	favor	favor	NN
39142	2209	13	of	of	IN
39142	2209	14	vast	vast	JJ
39142	2209	15	numbers	number	NNS
39142	2209	16	of	of	IN
39142	2209	17	the	the	DT
39142	2209	18	planets	planet	NNS
39142	2209	19	of	of	IN
39142	2209	20	other	other	JJ
39142	2209	21	stellar	stellar	JJ
39142	2209	22	systems	system	NNS
39142	2209	23	being	be	VBG
39142	2209	24	favorably	favorably	RB
39142	2209	25	circumstanced	circumstance	VBN
39142	2209	26	as	as	IN
39142	2209	27	to	to	TO
39142	2209	28	heat	heat	NN
39142	2209	29	and	and	CC
39142	2209	30	moisture	moisture	NN
39142	2209	31	for	for	IN
39142	2209	32	the	the	DT
39142	2209	33	maintenance	maintenance	NN
39142	2209	34	of	of	IN
39142	2209	35	life	life	NN
39142	2209	36	at	at	IN
39142	2209	37	the	the	DT
39142	2209	38	present	present	JJ
39142	2209	39	time	time	NN
39142	2209	40	.	.	.
39142	2210	1	That	that	RB
39142	2210	2	is	is	RB
39142	2210	3	,	,	,
39142	2210	4	they	-PRON-	PRP
39142	2210	5	are	be	VBP
39142	2210	6	habitable	habitable	JJ
39142	2210	7	,	,	,
39142	2210	8	and	and	CC
39142	2210	9	if	if	IN
39142	2210	10	habitable	habitable	JJ
39142	2210	11	,	,	,
39142	2210	12	then	then	RB
39142	2210	13	thousands	thousand	NNS
39142	2210	14	of	of	IN
39142	2210	15	them	-PRON-	PRP
39142	2210	16	are	be	VBP
39142	2210	17	no	no	RB
39142	2210	18	doubt	doubt	RB
39142	2210	19	inhabited	inhabit	VBN
39142	2210	20	now	now	RB
39142	2210	21	.	.	.
39142	2211	1	But	but	CC
39142	2211	2	astronomers	astronomer	NNS
39142	2211	3	know	know	VBP
39142	2211	4	absolutely	absolutely	RB
39142	2211	5	nothing	nothing	NN
39142	2211	6	about	about	IN
39142	2211	7	this	this	DT
39142	2211	8	question	question	NN
39142	2211	9	,	,	,
39142	2211	10	nor	nor	CC
39142	2211	11	are	be	VBP
39142	2211	12	they	-PRON-	PRP
39142	2211	13	able	able	JJ
39142	2211	14	to	to	TO
39142	2211	15	conceive	conceive	VB
39142	2211	16	at	at	IN
39142	2211	17	present	present	JJ
39142	2211	18	any	any	DT
39142	2211	19	way	way	NN
39142	2211	20	that	that	WDT
39142	2211	21	may	may	MD
39142	2211	22	lead	lead	VB
39142	2211	23	them	-PRON-	PRP
39142	2211	24	to	to	IN
39142	2211	25	any	any	DT
39142	2211	26	definite	definite	JJ
39142	2211	27	knowledge	knowledge	NN
39142	2211	28	of	of	IN
39142	2211	29	it	-PRON-	PRP
39142	2211	30	.	.	.
39142	2212	1	There	there	EX
39142	2212	2	is	be	VBZ
39142	2212	3	,	,	,
39142	2212	4	indeed	indeed	RB
39142	2212	5	,	,	,
39142	2212	6	one	one	CD
39142	2212	7	piece	piece	NN
39142	2212	8	of	of	IN
39142	2212	9	quasi	quasi	JJ
39142	2212	10	-	-	NN
39142	2212	11	evidence	evidence	NN
39142	2212	12	which	which	WDT
39142	2212	13	might	may	MD
39142	2212	14	reasonably	reasonably	RB
39142	2212	15	be	be	VB
39142	2212	16	interpreted	interpret	VBN
39142	2212	17	as	as	IN
39142	2212	18	implying	implying	JJ
39142	2212	19	that	that	IN
39142	2212	20	it	-PRON-	PRP
39142	2212	21	is	be	VBZ
39142	2212	22	more	more	RBR
39142	2212	23	likely	likely	JJ
39142	2212	24	that	that	IN
39142	2212	25	the	the	DT
39142	2212	26	stars	star	NNS
39142	2212	27	are	be	VBP
39142	2212	28	not	not	RB
39142	2212	29	attended	attend	VBN
39142	2212	30	by	by	IN
39142	2212	31	families	family	NNS
39142	2212	32	of	of	IN
39142	2212	33	planets	planet	NNS
39142	2212	34	than	than	IN
39142	2212	35	that	that	IN
39142	2212	36	they	-PRON-	PRP
39142	2212	37	are	be	VBP
39142	2212	38	.	.	.
39142	2213	1	CHAPTER	chapter	NN
39142	2213	2	XXXV	XXXV	NNP
39142	2213	3	THE	the	DT
39142	2213	4	LITTLE	little	JJ
39142	2213	5	PLANETS	PLANETS	NNP
39142	2213	6	Along	along	IN
39142	2213	7	toward	toward	IN
39142	2213	8	the	the	DT
39142	2213	9	end	end	NN
39142	2213	10	of	of	IN
39142	2213	11	the	the	DT
39142	2213	12	eighteenth	eighteenth	JJ
39142	2213	13	century	century	NN
39142	2213	14	and	and	CC
39142	2213	15	the	the	DT
39142	2213	16	beginning	beginning	NN
39142	2213	17	of	of	IN
39142	2213	18	the	the	DT
39142	2213	19	nineteenth	nineteenth	NN
39142	2213	20	,	,	,
39142	2213	21	astronomers	astronomer	NNS
39142	2213	22	were	be	VBD
39142	2213	23	leading	lead	VBG
39142	2213	24	a	a	DT
39142	2213	25	quiet	quiet	JJ
39142	2213	26	unexcited	unexcited	JJ
39142	2213	27	life	life	NN
39142	2213	28	.	.	.
39142	2214	1	Sir	Sir	NNP
39142	2214	2	William	William	NNP
39142	2214	3	Herschel	Herschel	NNP
39142	2214	4	had	have	VBD
39142	2214	5	been	be	VBN
39142	2214	6	knighted	knight	VBN
39142	2214	7	by	by	IN
39142	2214	8	King	King	NNP
39142	2214	9	George	George	NNP
39142	2214	10	for	for	IN
39142	2214	11	his	-PRON-	PRP$
39142	2214	12	discovery	discovery	NN
39142	2214	13	of	of	IN
39142	2214	14	the	the	DT
39142	2214	15	outer	outer	JJ
39142	2214	16	planet	planet	NN
39142	2214	17	Uranus	Uranus	NNP
39142	2214	18	,	,	,
39142	2214	19	and	and	CC
39142	2214	20	practically	practically	RB
39142	2214	21	everything	everything	NN
39142	2214	22	seemed	seem	VBD
39142	2214	23	to	to	TO
39142	2214	24	be	be	VB
39142	2214	25	known	know	VBN
39142	2214	26	and	and	CC
39142	2214	27	discovered	discover	VBN
39142	2214	28	in	in	IN
39142	2214	29	the	the	DT
39142	2214	30	solar	solar	JJ
39142	2214	31	system	system	NN
39142	2214	32	with	with	IN
39142	2214	33	a	a	DT
39142	2214	34	single	single	JJ
39142	2214	35	exception	exception	NN
39142	2214	36	.	.	.
39142	2215	1	Between	between	IN
39142	2215	2	Mars	Mars	NNP
39142	2215	3	and	and	CC
39142	2215	4	Jupiter	Jupiter	NNP
39142	2215	5	there	there	EX
39142	2215	6	existed	exist	VBD
39142	2215	7	an	an	DT
39142	2215	8	obvious	obvious	JJ
39142	2215	9	gap	gap	NN
39142	2215	10	in	in	IN
39142	2215	11	the	the	DT
39142	2215	12	planetary	planetary	NN
39142	2215	13	brotherhood	brotherhood	NN
39142	2215	14	.	.	.
39142	2216	1	Could	Could	MD
39142	2216	2	it	-PRON-	PRP
39142	2216	3	be	be	VB
39142	2216	4	possible	possible	JJ
39142	2216	5	that	that	IN
39142	2216	6	some	some	DT
39142	2216	7	time	time	NN
39142	2216	8	in	in	IN
39142	2216	9	the	the	DT
39142	2216	10	remote	remote	JJ
39142	2216	11	cosmic	cosmic	JJ
39142	2216	12	past	past	IN
39142	2216	13	a	a	DT
39142	2216	14	planet	planet	NN
39142	2216	15	had	have	VBD
39142	2216	16	actually	actually	RB
39142	2216	17	existed	exist	VBN
39142	2216	18	there	there	RB
39142	2216	19	,	,	,
39142	2216	20	and	and	CC
39142	2216	21	that	that	IN
39142	2216	22	some	some	DT
39142	2216	23	celestial	celestial	JJ
39142	2216	24	cataclysm	cataclysm	NNS
39142	2216	25	had	have	VBD
39142	2216	26	blown	blow	VBN
39142	2216	27	it	-PRON-	PRP
39142	2216	28	to	to	IN
39142	2216	29	fragments	fragment	NNS
39142	2216	30	?	?	.
39142	2217	1	If	if	IN
39142	2217	2	so	so	RB
39142	2217	3	,	,	,
39142	2217	4	would	would	MD
39142	2217	5	they	-PRON-	PRP
39142	2217	6	still	still	RB
39142	2217	7	be	be	VB
39142	2217	8	traveling	travel	VBG
39142	2217	9	round	round	IN
39142	2217	10	the	the	DT
39142	2217	11	sun	sun	NN
39142	2217	12	as	as	IN
39142	2217	13	individual	individual	JJ
39142	2217	14	small	small	JJ
39142	2217	15	planets	planet	NNS
39142	2217	16	?	?	.
39142	2218	1	And	and	CC
39142	2218	2	might	may	MD
39142	2218	3	it	-PRON-	PRP
39142	2218	4	not	not	RB
39142	2218	5	be	be	VB
39142	2218	6	possible	possible	JJ
39142	2218	7	to	to	TO
39142	2218	8	discover	discover	VB
39142	2218	9	some	some	DT
39142	2218	10	of	of	IN
39142	2218	11	them	-PRON-	PRP
39142	2218	12	among	among	IN
39142	2218	13	the	the	DT
39142	2218	14	faint	faint	JJ
39142	2218	15	stars	star	NNS
39142	2218	16	that	that	WDT
39142	2218	17	make	make	VBP
39142	2218	18	up	up	RP
39142	2218	19	the	the	DT
39142	2218	20	belt	belt	NN
39142	2218	21	of	of	IN
39142	2218	22	the	the	DT
39142	2218	23	zodiac	zodiac	NNP
39142	2218	24	in	in	IN
39142	2218	25	which	which	WDT
39142	2218	26	all	all	PDT
39142	2218	27	the	the	DT
39142	2218	28	other	other	JJ
39142	2218	29	planets	planet	NNS
39142	2218	30	travel	travel	VB
39142	2218	31	?	?	.
39142	2219	1	So	so	RB
39142	2219	2	interesting	interesting	JJ
39142	2219	3	was	be	VBD
39142	2219	4	this	this	DT
39142	2219	5	question	question	NN
39142	2219	6	that	that	IN
39142	2219	7	the	the	DT
39142	2219	8	first	first	JJ
39142	2219	9	international	international	NNP
39142	2219	10	association	association	NNP
39142	2219	11	of	of	IN
39142	2219	12	astronomers	astronomer	NNS
39142	2219	13	banded	band	VBD
39142	2219	14	themselves	-PRON-	PRP
39142	2219	15	together	together	RB
39142	2219	16	to	to	TO
39142	2219	17	carry	carry	VB
39142	2219	18	on	on	RP
39142	2219	19	a	a	DT
39142	2219	20	systematic	systematic	JJ
39142	2219	21	search	search	NN
39142	2219	22	round	round	IN
39142	2219	23	the	the	DT
39142	2219	24	entire	entire	JJ
39142	2219	25	zodiacal	zodiacal	JJ
39142	2219	26	heavens	heaven	NNS
39142	2219	27	in	in	IN
39142	2219	28	the	the	DT
39142	2219	29	faint	faint	JJ
39142	2219	30	hope	hope	NN
39142	2219	31	of	of	IN
39142	2219	32	detecting	detect	VBG
39142	2219	33	possible	possible	JJ
39142	2219	34	fragments	fragment	NNS
39142	2219	35	of	of	IN
39142	2219	36	the	the	DT
39142	2219	37	original	original	JJ
39142	2219	38	planet	planet	NN
39142	2219	39	of	of	IN
39142	2219	40	mere	mere	JJ
39142	2219	41	hypothesis	hypothesis	NN
39142	2219	42	.	.	.
39142	2220	1	The	the	DT
39142	2220	2	astronomers	astronomer	NNS
39142	2220	3	of	of	IN
39142	2220	4	that	that	DT
39142	2220	5	day	day	NN
39142	2220	6	placed	place	VBD
39142	2220	7	much	much	JJ
39142	2220	8	reliance	reliance	NN
39142	2220	9	on	on	IN
39142	2220	10	what	what	WP
39142	2220	11	is	be	VBZ
39142	2220	12	known	know	VBN
39142	2220	13	as	as	IN
39142	2220	14	Bode	Bode	NNP
39142	2220	15	's	's	POS
39142	2220	16	law	law	NN
39142	2220	17	--	--	:
39142	2220	18	not	not	RB
39142	2220	19	a	a	DT
39142	2220	20	law	law	NN
39142	2220	21	at	at	RB
39142	2220	22	all	all	RB
39142	2220	23	,	,	,
39142	2220	24	but	but	CC
39142	2220	25	a	a	DT
39142	2220	26	mere	mere	JJ
39142	2220	27	arithmetical	arithmetical	JJ
39142	2220	28	succession	succession	NN
39142	2220	29	of	of	IN
39142	2220	30	numbers	number	NNS
39142	2220	31	which	which	WDT
39142	2220	32	represented	represent	VBD
39142	2220	33	very	very	RB
39142	2220	34	well	well	RB
39142	2220	35	the	the	DT
39142	2220	36	relative	relative	JJ
39142	2220	37	distances	distance	NNS
39142	2220	38	of	of	IN
39142	2220	39	all	all	PDT
39142	2220	40	the	the	DT
39142	2220	41	planets	planet	NNS
39142	2220	42	from	from	IN
39142	2220	43	the	the	DT
39142	2220	44	sun	sun	NN
39142	2220	45	.	.	.
39142	2221	1	And	and	CC
39142	2221	2	the	the	DT
39142	2221	3	distance	distance	NN
39142	2221	4	of	of	IN
39142	2221	5	the	the	DT
39142	2221	6	newly	newly	RB
39142	2221	7	found	find	VBN
39142	2221	8	Uranus	Uranus	NNP
39142	2221	9	fitted	fit	VBN
39142	2221	10	in	in	IN
39142	2221	11	so	so	RB
39142	2221	12	well	well	RB
39142	2221	13	with	with	IN
39142	2221	14	this	this	DT
39142	2221	15	law	law	NN
39142	2221	16	that	that	WDT
39142	2221	17	the	the	DT
39142	2221	18	utter	utter	JJ
39142	2221	19	absence	absence	NN
39142	2221	20	of	of	IN
39142	2221	21	a	a	DT
39142	2221	22	planet	planet	NN
39142	2221	23	in	in	IN
39142	2221	24	the	the	DT
39142	2221	25	gap	gap	NN
39142	2221	26	between	between	IN
39142	2221	27	Mars	Mars	NNP
39142	2221	28	and	and	CC
39142	2221	29	Jupiter	Jupiter	NNP
39142	2221	30	became	become	VBD
39142	2221	31	very	very	RB
39142	2221	32	strongly	strongly	RB
39142	2221	33	marked	mark	VBN
39142	2221	34	.	.	.
39142	2222	1	Quite	quite	JJ
39142	2222	2	by	by	IN
39142	2222	3	accident	accident	NN
39142	2222	4	a	a	DT
39142	2222	5	discovery	discovery	NN
39142	2222	6	of	of	IN
39142	2222	7	one	one	CD
39142	2222	8	of	of	IN
39142	2222	9	the	the	DT
39142	2222	10	guessed	guess	VBN
39142	2222	11	-	-	HYPH
39142	2222	12	at	at	IN
39142	2222	13	small	small	JJ
39142	2222	14	planetary	planetary	NN
39142	2222	15	bodies	body	NNS
39142	2222	16	was	be	VBD
39142	2222	17	made	make	VBN
39142	2222	18	,	,	,
39142	2222	19	on	on	IN
39142	2222	20	January	January	NNP
39142	2222	21	1	1	CD
39142	2222	22	,	,	,
39142	2222	23	1801	1801	CD
39142	2222	24	,	,	,
39142	2222	25	in	in	IN
39142	2222	26	Palermo	Palermo	NNP
39142	2222	27	,	,	,
39142	2222	28	Sicily	Sicily	NNP
39142	2222	29	,	,	,
39142	2222	30	by	by	IN
39142	2222	31	Piazzi	Piazzi	NNP
39142	2222	32	,	,	,
39142	2222	33	who	who	WP
39142	2222	34	was	be	VBD
39142	2222	35	regularly	regularly	RB
39142	2222	36	occupied	occupy	VBN
39142	2222	37	in	in	IN
39142	2222	38	making	make	VBG
39142	2222	39	an	an	DT
39142	2222	40	extensive	extensive	JJ
39142	2222	41	catalogue	catalogue	NN
39142	2222	42	of	of	IN
39142	2222	43	the	the	DT
39142	2222	44	stars	star	NNS
39142	2222	45	.	.	.
39142	2223	1	His	-PRON-	PRP$
39142	2223	2	observations	observation	NNS
39142	2223	3	soon	soon	RB
39142	2223	4	showed	show	VBD
39142	2223	5	that	that	IN
39142	2223	6	the	the	DT
39142	2223	7	new	new	JJ
39142	2223	8	object	object	NN
39142	2223	9	he	-PRON-	PRP
39142	2223	10	had	have	VBD
39142	2223	11	seen	see	VBN
39142	2223	12	could	could	MD
39142	2223	13	not	not	RB
39142	2223	14	be	be	VB
39142	2223	15	a	a	DT
39142	2223	16	fixed	fix	VBN
39142	2223	17	star	star	NN
39142	2223	18	,	,	,
39142	2223	19	because	because	IN
39142	2223	20	it	-PRON-	PRP
39142	2223	21	moved	move	VBD
39142	2223	22	from	from	IN
39142	2223	23	night	night	NN
39142	2223	24	to	to	TO
39142	2223	25	night	night	NN
39142	2223	26	among	among	IN
39142	2223	27	the	the	DT
39142	2223	28	stars	star	NNS
39142	2223	29	.	.	.
39142	2224	1	He	-PRON-	PRP
39142	2224	2	concluded	conclude	VBD
39142	2224	3	that	that	IN
39142	2224	4	it	-PRON-	PRP
39142	2224	5	was	be	VBD
39142	2224	6	a	a	DT
39142	2224	7	planet	planet	NN
39142	2224	8	,	,	,
39142	2224	9	and	and	CC
39142	2224	10	named	name	VBD
39142	2224	11	it	-PRON-	PRP
39142	2224	12	Ceres	Ceres	NNP
39142	2224	13	(	(	-LRB-
39142	2224	14	1	1	CD
39142	2224	15	)	)	-RRB-
39142	2224	16	,	,	,
39142	2224	17	for	for	IN
39142	2224	18	the	the	DT
39142	2224	19	tutelary	tutelary	JJ
39142	2224	20	goddess	goddess	NN
39142	2224	21	of	of	IN
39142	2224	22	Sicily	Sicily	NNP
39142	2224	23	.	.	.
39142	2225	1	Other	other	JJ
39142	2225	2	astronomers	astronomer	NNS
39142	2225	3	kept	keep	VBD
39142	2225	4	up	up	RP
39142	2225	5	the	the	DT
39142	2225	6	search	search	NN
39142	2225	7	,	,	,
39142	2225	8	and	and	CC
39142	2225	9	another	another	DT
39142	2225	10	companion	companion	NN
39142	2225	11	planet	planet	NN
39142	2225	12	,	,	,
39142	2225	13	Pallas	Pallas	NNP
39142	2225	14	(	(	-LRB-
39142	2225	15	2	2	CD
39142	2225	16	)	)	-RRB-
39142	2225	17	was	be	VBD
39142	2225	18	found	find	VBN
39142	2225	19	in	in	IN
39142	2225	20	the	the	DT
39142	2225	21	following	following	JJ
39142	2225	22	year	year	NN
39142	2225	23	.	.	.
39142	2226	1	Juno	Juno	NNP
39142	2226	2	(	(	-LRB-
39142	2226	3	3	3	CD
39142	2226	4	)	)	-RRB-
39142	2226	5	was	be	VBD
39142	2226	6	found	find	VBN
39142	2226	7	in	in	IN
39142	2226	8	1804	1804	CD
39142	2226	9	,	,	,
39142	2226	10	and	and	CC
39142	2226	11	Vesta	Vesta	NNP
39142	2226	12	(	(	-LRB-
39142	2226	13	4	4	CD
39142	2226	14	)	)	-RRB-
39142	2226	15	,	,	,
39142	2226	16	the	the	DT
39142	2226	17	largest	large	JJS
39142	2226	18	and	and	CC
39142	2226	19	brightest	bright	JJS
39142	2226	20	of	of	IN
39142	2226	21	all	all	PDT
39142	2226	22	the	the	DT
39142	2226	23	minor	minor	JJ
39142	2226	24	planets	planet	NNS
39142	2226	25	,	,	,
39142	2226	26	in	in	IN
39142	2226	27	1807	1807	CD
39142	2226	28	.	.	.
39142	2227	1	Vesta	Vesta	NNP
39142	2227	2	is	be	VBZ
39142	2227	3	sometimes	sometimes	RB
39142	2227	4	bright	bright	JJ
39142	2227	5	enough	enough	RB
39142	2227	6	when	when	WRB
39142	2227	7	nearest	nearest	RB
39142	2227	8	the	the	DT
39142	2227	9	earth	earth	NN
39142	2227	10	to	to	TO
39142	2227	11	be	be	VB
39142	2227	12	seen	see	VBN
39142	2227	13	with	with	IN
39142	2227	14	the	the	DT
39142	2227	15	naked	naked	JJ
39142	2227	16	eye	eye	NN
39142	2227	17	;	;	:
39142	2227	18	but	but	CC
39142	2227	19	it	-PRON-	PRP
39142	2227	20	was	be	VBD
39142	2227	21	the	the	DT
39142	2227	22	last	last	JJ
39142	2227	23	of	of	IN
39142	2227	24	the	the	DT
39142	2227	25	brighter	bright	JJR
39142	2227	26	ones	one	NNS
39142	2227	27	,	,	,
39142	2227	28	and	and	CC
39142	2227	29	no	no	DT
39142	2227	30	more	more	JJR
39142	2227	31	discoveries	discovery	NNS
39142	2227	32	of	of	IN
39142	2227	33	the	the	DT
39142	2227	34	kind	kind	NN
39142	2227	35	were	be	VBD
39142	2227	36	made	make	VBN
39142	2227	37	till	till	IN
39142	2227	38	the	the	DT
39142	2227	39	fifth	fifth	NN
39142	2227	40	was	be	VBD
39142	2227	41	found	find	VBN
39142	2227	42	in	in	IN
39142	2227	43	1845	1845	CD
39142	2227	44	.	.	.
39142	2228	1	Since	since	IN
39142	2228	2	then	then	RB
39142	2228	3	discoveries	discovery	NNS
39142	2228	4	have	have	VBP
39142	2228	5	been	be	VBN
39142	2228	6	made	make	VBN
39142	2228	7	in	in	IN
39142	2228	8	great	great	JJ
39142	2228	9	abundance	abundance	NN
39142	2228	10	,	,	,
39142	2228	11	more	more	JJR
39142	2228	12	and	and	CC
39142	2228	13	more	more	RBR
39142	2228	14	with	with	IN
39142	2228	15	every	every	DT
39142	2228	16	year	year	NN
39142	2228	17	till	till	IN
39142	2228	18	the	the	DT
39142	2228	19	number	number	NN
39142	2228	20	of	of	IN
39142	2228	21	little	little	JJ
39142	2228	22	planets	planet	NNS
39142	2228	23	at	at	IN
39142	2228	24	present	present	JJ
39142	2228	25	known	know	VBN
39142	2228	26	is	be	VBZ
39142	2228	27	very	very	RB
39142	2228	28	near	near	IN
39142	2228	29	1,000	1,000	CD
39142	2228	30	.	.	.
39142	2229	1	The	the	DT
39142	2229	2	early	early	JJ
39142	2229	3	asteroid	asteroid	NN
39142	2229	4	hunters	hunter	NNS
39142	2229	5	found	find	VBD
39142	2229	6	the	the	DT
39142	2229	7	search	search	NN
39142	2229	8	rather	rather	RB
39142	2229	9	tedious	tedious	JJ
39142	2229	10	,	,	,
39142	2229	11	and	and	CC
39142	2229	12	the	the	DT
39142	2229	13	labor	labor	NN
39142	2229	14	increased	increase	VBD
39142	2229	15	as	as	IN
39142	2229	16	it	-PRON-	PRP
39142	2229	17	became	become	VBD
39142	2229	18	necessary	necessary	JJ
39142	2229	19	to	to	TO
39142	2229	20	examine	examine	VB
39142	2229	21	the	the	DT
39142	2229	22	increasing	increase	VBG
39142	2229	23	thousands	thousand	NNS
39142	2229	24	of	of	IN
39142	2229	25	fainter	fainter	NN
39142	2229	26	and	and	CC
39142	2229	27	fainter	fainter	NN
39142	2229	28	stars	star	NNS
39142	2229	29	that	that	WDT
39142	2229	30	must	must	MD
39142	2229	31	be	be	VB
39142	2229	32	observed	observe	VBN
39142	2229	33	in	in	IN
39142	2229	34	order	order	NN
39142	2229	35	to	to	TO
39142	2229	36	detect	detect	VB
39142	2229	37	the	the	DT
39142	2229	38	undiscovered	undiscovered	JJ
39142	2229	39	planets	planet	NNS
39142	2229	40	,	,	,
39142	2229	41	which	which	WDT
39142	2229	42	naturally	naturally	RB
39142	2229	43	grow	grow	VBP
39142	2229	44	fainter	fainter	NN
39142	2229	45	and	and	CC
39142	2229	46	fainter	fainter	NN
39142	2229	47	as	as	IN
39142	2229	48	the	the	DT
39142	2229	49	chase	chase	NN
39142	2229	50	is	be	VBZ
39142	2229	51	prolonged	prolong	VBN
39142	2229	52	.	.	.
39142	2230	1	First	first	RB
39142	2230	2	a	a	DT
39142	2230	3	chart	chart	NN
39142	2230	4	of	of	IN
39142	2230	5	the	the	DT
39142	2230	6	ecliptic	ecliptic	JJ
39142	2230	7	sky	sky	NN
39142	2230	8	had	have	VBD
39142	2230	9	to	to	TO
39142	2230	10	be	be	VB
39142	2230	11	prepared	prepare	VBN
39142	2230	12	containing	contain	VBG
39142	2230	13	all	all	PDT
39142	2230	14	the	the	DT
39142	2230	15	stars	star	NNS
39142	2230	16	that	that	WDT
39142	2230	17	the	the	DT
39142	2230	18	telescope	telescope	NN
39142	2230	19	employed	employ	VBN
39142	2230	20	in	in	IN
39142	2230	21	the	the	DT
39142	2230	22	search	search	NN
39142	2230	23	would	would	MD
39142	2230	24	show	show	VB
39142	2230	25	.	.	.
39142	2231	1	Some	some	DT
39142	2231	2	of	of	IN
39142	2231	3	the	the	DT
39142	2231	4	most	most	RBS
39142	2231	5	detailed	detailed	JJ
39142	2231	6	charts	chart	NNS
39142	2231	7	of	of	IN
39142	2231	8	the	the	DT
39142	2231	9	sky	sky	NN
39142	2231	10	in	in	IN
39142	2231	11	existence	existence	NN
39142	2231	12	were	be	VBD
39142	2231	13	prepared	prepare	VBN
39142	2231	14	in	in	IN
39142	2231	15	connection	connection	NN
39142	2231	16	with	with	IN
39142	2231	17	this	this	DT
39142	2231	18	work	work	NN
39142	2231	19	,	,	,
39142	2231	20	particularly	particularly	RB
39142	2231	21	by	by	IN
39142	2231	22	the	the	DT
39142	2231	23	late	late	JJ
39142	2231	24	Dr.	Dr.	NNP
39142	2231	25	Peters	Peters	NNP
39142	2231	26	of	of	IN
39142	2231	27	Hamilton	Hamilton	NNP
39142	2231	28	College	College	NNP
39142	2231	29	.	.	.
39142	2232	1	Once	once	IN
39142	2232	2	such	such	JJ
39142	2232	3	charts	chart	NNS
39142	2232	4	are	be	VBP
39142	2232	5	complete	complete	JJ
39142	2232	6	,	,	,
39142	2232	7	they	-PRON-	PRP
39142	2232	8	are	be	VBP
39142	2232	9	compared	compare	VBN
39142	2232	10	with	with	IN
39142	2232	11	the	the	DT
39142	2232	12	sky	sky	NN
39142	2232	13	,	,	,
39142	2232	14	night	night	NN
39142	2232	15	after	after	IN
39142	2232	16	night	night	NN
39142	2232	17	when	when	WRB
39142	2232	18	the	the	DT
39142	2232	19	moon	moon	NN
39142	2232	20	is	be	VBZ
39142	2232	21	absent	absent	JJ
39142	2232	22	.	.	.
39142	2233	1	Thousands	thousand	NNS
39142	2233	2	upon	upon	IN
39142	2233	3	thousands	thousand	NNS
39142	2233	4	of	of	IN
39142	2233	5	tedious	tedious	JJ
39142	2233	6	hours	hour	NNS
39142	2233	7	are	be	VBP
39142	2233	8	spent	spend	VBN
39142	2233	9	in	in	IN
39142	2233	10	this	this	DT
39142	2233	11	comparison	comparison	NN
39142	2233	12	,	,	,
39142	2233	13	with	with	IN
39142	2233	14	no	no	DT
39142	2233	15	result	result	NN
39142	2233	16	whatever	whatever	WDT
39142	2233	17	except	except	IN
39142	2233	18	that	that	DT
39142	2233	19	chart	chart	NN
39142	2233	20	and	and	CC
39142	2233	21	sky	sky	NN
39142	2233	22	are	be	VBP
39142	2233	23	found	find	VBN
39142	2233	24	to	to	TO
39142	2233	25	correspond	correspond	VB
39142	2233	26	exactly	exactly	RB
39142	2233	27	.	.	.
39142	2234	1	But	but	CC
39142	2234	2	now	now	RB
39142	2234	3	and	and	CC
39142	2234	4	then	then	RB
39142	2234	5	the	the	DT
39142	2234	6	planet	planet	NN
39142	2234	7	hunter	hunter	NN
39142	2234	8	is	be	VBZ
39142	2234	9	rewarded	reward	VBN
39142	2234	10	by	by	IN
39142	2234	11	finding	find	VBG
39142	2234	12	a	a	DT
39142	2234	13	new	new	JJ
39142	2234	14	object	object	NN
39142	2234	15	in	in	IN
39142	2234	16	the	the	DT
39142	2234	17	sky	sky	NN
39142	2234	18	that	that	WDT
39142	2234	19	does	do	VBZ
39142	2234	20	not	not	RB
39142	2234	21	appear	appear	VB
39142	2234	22	on	on	IN
39142	2234	23	his	-PRON-	PRP$
39142	2234	24	chart	chart	NN
39142	2234	25	.	.	.
39142	2235	1	Almost	almost	RB
39142	2235	2	certainly	certainly	RB
39142	2235	3	this	this	DT
39142	2235	4	is	be	VBZ
39142	2235	5	a	a	DT
39142	2235	6	small	small	JJ
39142	2235	7	planet	planet	NN
39142	2235	8	,	,	,
39142	2235	9	and	and	CC
39142	2235	10	only	only	RB
39142	2235	11	a	a	DT
39142	2235	12	few	few	JJ
39142	2235	13	night	night	NN
39142	2235	14	's	's	POS
39142	2235	15	observation	observation	NN
39142	2235	16	will	will	MD
39142	2235	17	be	be	VB
39142	2235	18	necessary	necessary	JJ
39142	2235	19	to	to	TO
39142	2235	20	enable	enable	VB
39142	2235	21	the	the	DT
39142	2235	22	discoverer	discoverer	NN
39142	2235	23	to	to	TO
39142	2235	24	find	find	VB
39142	2235	25	out	out	RP
39142	2235	26	approximately	approximately	RB
39142	2235	27	the	the	DT
39142	2235	28	orbit	orbit	NN
39142	2235	29	it	-PRON-	PRP
39142	2235	30	is	be	VBZ
39142	2235	31	traveling	travel	VBG
39142	2235	32	in	in	IN
39142	2235	33	,	,	,
39142	2235	34	and	and	CC
39142	2235	35	whether	whether	IN
39142	2235	36	it	-PRON-	PRP
39142	2235	37	is	be	VBZ
39142	2235	38	out	out	JJ
39142	2235	39	-	-	HYPH
39142	2235	40	and	and	CC
39142	2235	41	-	-	HYPH
39142	2235	42	out	out	RP
39142	2235	43	a	a	DT
39142	2235	44	new	new	JJ
39142	2235	45	planet	planet	NN
39142	2235	46	or	or	CC
39142	2235	47	only	only	RB
39142	2235	48	one	one	CD
39142	2235	49	that	that	WDT
39142	2235	50	had	have	VBD
39142	2235	51	been	be	VBN
39142	2235	52	previously	previously	RB
39142	2235	53	recognized	recognize	VBN
39142	2235	54	,	,	,
39142	2235	55	and	and	CC
39142	2235	56	then	then	RB
39142	2235	57	lost	lose	VBD
39142	2235	58	track	track	NN
39142	2235	59	of	of	IN
39142	2235	60	.	.	.
39142	2236	1	Nearly	nearly	RB
39142	2236	2	all	all	PDT
39142	2236	3	the	the	DT
39142	2236	4	minor	minor	JJ
39142	2236	5	planets	planet	NNS
39142	2236	6	so	so	RB
39142	2236	7	far	far	RB
39142	2236	8	found	find	VBN
39142	2236	9	have	have	VBP
39142	2236	10	had	have	VBN
39142	2236	11	names	name	NNS
39142	2236	12	assigned	assign	VBN
39142	2236	13	to	to	IN
39142	2236	14	them	-PRON-	PRP
39142	2236	15	principally	principally	RB
39142	2236	16	legendary	legendary	JJ
39142	2236	17	and	and	CC
39142	2236	18	mythological	mythological	JJ
39142	2236	19	,	,	,
39142	2236	20	and	and	CC
39142	2236	21	a	a	DT
39142	2236	22	nearly	nearly	RB
39142	2236	23	complete	complete	JJ
39142	2236	24	catalogue	catalogue	NN
39142	2236	25	of	of	IN
39142	2236	26	them	-PRON-	PRP
39142	2236	27	,	,	,
39142	2236	28	containing	contain	VBG
39142	2236	29	the	the	DT
39142	2236	30	elements	element	NNS
39142	2236	31	of	of	IN
39142	2236	32	their	-PRON-	PRP$
39142	2236	33	orbits	orbit	NNS
39142	2236	34	(	(	-LRB-
39142	2236	35	that	that	RB
39142	2236	36	is	is	RB
39142	2236	37	,	,	,
39142	2236	38	all	all	PDT
39142	2236	39	the	the	DT
39142	2236	40	mathematical	mathematical	JJ
39142	2236	41	data	datum	NNS
39142	2236	42	that	that	WDT
39142	2236	43	tell	tell	VBP
39142	2236	44	us	-PRON-	PRP
39142	2236	45	about	about	IN
39142	2236	46	their	-PRON-	PRP$
39142	2236	47	distance	distance	NN
39142	2236	48	from	from	IN
39142	2236	49	the	the	DT
39142	2236	50	sun	sun	NN
39142	2236	51	and	and	CC
39142	2236	52	the	the	DT
39142	2236	53	circumstances	circumstance	NNS
39142	2236	54	of	of	IN
39142	2236	55	their	-PRON-	PRP$
39142	2236	56	motion	motion	NN
39142	2236	57	around	around	IN
39142	2236	58	him	-PRON-	PRP
39142	2236	59	)	)	-RRB-
39142	2236	60	is	be	VBZ
39142	2236	61	published	publish	VBN
39142	2236	62	each	each	DT
39142	2236	63	year	year	NN
39142	2236	64	in	in	IN
39142	2236	65	the	the	DT
39142	2236	66	"	"	``
39142	2236	67	Annuaire	Annuaire	NNP
39142	2236	68	du	du	NNP
39142	2236	69	Bureau	Bureau	NNP
39142	2236	70	des	des	NNP
39142	2236	71	Longitudes	Longitudes	NNP
39142	2236	72	"	"	``
39142	2236	73	at	at	IN
39142	2236	74	Paris	Paris	NNP
39142	2236	75	.	.	.
39142	2237	1	But	but	CC
39142	2237	2	these	these	DT
39142	2237	3	little	little	JJ
39142	2237	4	planets	planet	NNS
39142	2237	5	require	require	VBP
39142	2237	6	a	a	DT
39142	2237	7	great	great	JJ
39142	2237	8	deal	deal	NN
39142	2237	9	of	of	IN
39142	2237	10	care	care	NN
39142	2237	11	and	and	CC
39142	2237	12	attention	attention	NN
39142	2237	13	,	,	,
39142	2237	14	for	for	IN
39142	2237	15	some	some	DT
39142	2237	16	astronomers	astronomer	NNS
39142	2237	17	must	must	MD
39142	2237	18	accurately	accurately	RB
39142	2237	19	observe	observe	VB
39142	2237	20	them	-PRON-	PRP
39142	2237	21	every	every	DT
39142	2237	22	few	few	JJ
39142	2237	23	years	year	NNS
39142	2237	24	,	,	,
39142	2237	25	and	and	CC
39142	2237	26	other	other	JJ
39142	2237	27	astronomers	astronomer	NNS
39142	2237	28	must	must	MD
39142	2237	29	conduct	conduct	VB
39142	2237	30	intricate	intricate	JJ
39142	2237	31	mathematical	mathematical	JJ
39142	2237	32	computations	computation	NNS
39142	2237	33	based	base	VBN
39142	2237	34	on	on	IN
39142	2237	35	these	these	DT
39142	2237	36	observations	observation	NNS
39142	2237	37	;	;	:
39142	2237	38	otherwise	otherwise	RB
39142	2237	39	they	-PRON-	PRP
39142	2237	40	get	get	VBP
39142	2237	41	lost	lose	VBN
39142	2237	42	and	and	CC
39142	2237	43	have	have	VB
39142	2237	44	to	to	TO
39142	2237	45	be	be	VB
39142	2237	46	discovered	discover	VBN
39142	2237	47	all	all	RB
39142	2237	48	over	over	RB
39142	2237	49	again	again	RB
39142	2237	50	.	.	.
39142	2238	1	Professor	Professor	NNP
39142	2238	2	Watson	Watson	NNP
39142	2238	3	,	,	,
39142	2238	4	of	of	IN
39142	2238	5	the	the	DT
39142	2238	6	University	University	NNP
39142	2238	7	of	of	IN
39142	2238	8	Michigan	Michigan	NNP
39142	2238	9	and	and	CC
39142	2238	10	later	later	RB
39142	2238	11	of	of	IN
39142	2238	12	the	the	DT
39142	2238	13	University	University	NNP
39142	2238	14	of	of	IN
39142	2238	15	Wisconsin	Wisconsin	NNP
39142	2238	16	,	,	,
39142	2238	17	endowed	endow	VBD
39142	2238	18	the	the	DT
39142	2238	19	22	22	CD
39142	2238	20	asteroids	asteroid	NNS
39142	2238	21	of	of	IN
39142	2238	22	his	-PRON-	PRP$
39142	2238	23	own	own	JJ
39142	2238	24	discovery	discovery	NN
39142	2238	25	,	,	,
39142	2238	26	leaving	leave	VBG
39142	2238	27	to	to	IN
39142	2238	28	the	the	DT
39142	2238	29	National	National	NNP
39142	2238	30	Academy	Academy	NNP
39142	2238	31	of	of	IN
39142	2238	32	Sciences	Sciences	NNPS
39142	2238	33	a	a	DT
39142	2238	34	fund	fund	NN
39142	2238	35	for	for	IN
39142	2238	36	prosecuting	prosecute	VBG
39142	2238	37	this	this	DT
39142	2238	38	work	work	NN
39142	2238	39	perpetually	perpetually	RB
39142	2238	40	,	,	,
39142	2238	41	and	and	CC
39142	2238	42	Leuschner	Leuschner	NNP
39142	2238	43	is	be	VBZ
39142	2238	44	now	now	RB
39142	2238	45	ably	ably	RB
39142	2238	46	conducting	conduct	VBG
39142	2238	47	it	-PRON-	PRP
39142	2238	48	.	.	.
39142	2239	1	[	[	-LRB-
39142	2239	2	Illustration	illustration	NN
39142	2239	3	:	:	:
39142	2239	4	JUPITER	JUPITER	NNP
39142	2239	5	,	,	,
39142	2239	6	LARGEST	LARGEST	NNP
39142	2239	7	OF	of	IN
39142	2239	8	THE	the	DT
39142	2239	9	PLANETS	PLANETS	NNP
39142	2239	10	.	.	.
39142	2240	1	The	the	DT
39142	2240	2	irregular	irregular	JJ
39142	2240	3	belts	belt	NNS
39142	2240	4	change	change	VBP
39142	2240	5	their	-PRON-	PRP$
39142	2240	6	mutual	mutual	JJ
39142	2240	7	relation	relation	NN
39142	2240	8	and	and	CC
39142	2240	9	shapes	shape	NNS
39142	2240	10	because	because	IN
39142	2240	11	they	-PRON-	PRP
39142	2240	12	do	do	VBP
39142	2240	13	not	not	RB
39142	2240	14	represent	represent	VB
39142	2240	15	land	land	NN
39142	2240	16	,	,	,
39142	2240	17	but	but	CC
39142	2240	18	are	be	VBP
39142	2240	19	part	part	NN
39142	2240	20	of	of	IN
39142	2240	21	the	the	DT
39142	2240	22	atmosphere	atmosphere	NN
39142	2240	23	.	.	.
39142	2241	1	(	(	-LRB-
39142	2241	2	_	_	NNP
39142	2241	3	Photo	Photo	NNP
39142	2241	4	,	,	,
39142	2241	5	Yerkes	Yerkes	NNP
39142	2241	6	Observatory	Observatory	NNP
39142	2241	7	.	.	.
39142	2241	8	_	_	NNP
39142	2241	9	)	)	-RRB-
39142	2241	10	]	]	-RRB-
39142	2241	11	[	[	-LRB-
39142	2241	12	Illustration	illustration	NN
39142	2241	13	:	:	:
39142	2241	14	THE	the	DT
39142	2241	15	PLANET	PLANET	NNP
39142	2241	16	NEPTUNE	NEPTUNE	NNP
39142	2241	17	AND	and	CC
39142	2241	18	ITS	its	PRP$
39142	2241	19	SATELLITE	SATELLITE	NNP
39142	2241	20	.	.	.
39142	2242	1	The	the	DT
39142	2242	2	photograph	photograph	NN
39142	2242	3	required	require	VBD
39142	2242	4	an	an	DT
39142	2242	5	exposure	exposure	NN
39142	2242	6	of	of	IN
39142	2242	7	the	the	DT
39142	2242	8	plate	plate	NN
39142	2242	9	for	for	IN
39142	2242	10	one	one	CD
39142	2242	11	hour	hour	NN
39142	2242	12	.	.	.
39142	2243	1	(	(	-LRB-
39142	2243	2	_	_	NNP
39142	2243	3	Photo	Photo	NNP
39142	2243	4	,	,	,
39142	2243	5	Yerkes	Yerkes	NNP
39142	2243	6	Observatory	Observatory	NNP
39142	2243	7	.	.	.
39142	2243	8	_	_	NNP
39142	2243	9	)	)	-RRB-
39142	2243	10	]	]	-RRB-
39142	2243	11	[	[	-LRB-
39142	2243	12	Illustration	illustration	NN
39142	2243	13	:	:	:
39142	2243	14	SATURN	SATURN	NNP
39142	2243	15	,	,	,
39142	2243	16	AS	as	IN
39142	2243	17	SEEN	SEEN	NNP
39142	2243	18	THROUGH	through	IN
39142	2243	19	THE	the	DT
39142	2243	20	40-INCH	40-inch	CD
39142	2243	21	REFRACTOR	REFRACTOR	NNS
39142	2243	22	,	,	,
39142	2243	23	at	at	IN
39142	2243	24	the	the	DT
39142	2243	25	time	time	NN
39142	2243	26	when	when	WRB
39142	2243	27	only	only	RB
39142	2243	28	the	the	DT
39142	2243	29	edge	edge	NN
39142	2243	30	of	of	IN
39142	2243	31	the	the	DT
39142	2243	32	rings	ring	NNS
39142	2243	33	is	be	VBZ
39142	2243	34	visible	visible	JJ
39142	2243	35	,	,	,
39142	2243	36	showing	show	VBG
39142	2243	37	condensations	condensation	NNS
39142	2243	38	.	.	.
39142	2244	1	(	(	-LRB-
39142	2244	2	_	_	NNP
39142	2244	3	Photo	Photo	NNP
39142	2244	4	,	,	,
39142	2244	5	Yerkes	Yerkes	NNP
39142	2244	6	Observatory	Observatory	NNP
39142	2244	7	.	.	.
39142	2244	8	_	_	NNP
39142	2244	9	)	)	-RRB-
39142	2244	10	]	]	-RRB-
39142	2244	11	[	[	-LRB-
39142	2244	12	Illustration	illustration	NN
39142	2244	13	:	:	:
39142	2244	14	SATURN	SATURN	NNP
39142	2244	15	,	,	,
39142	2244	16	PHOTOGRAPHED	PHOTOGRAPHED	NNP
39142	2244	17	THROUGH	THROUGH	VBD
39142	2244	18	THE	the	DT
39142	2244	19	40-INCH	40-inch	CD
39142	2244	20	REFRACTOR	REFRACTOR	NNP
39142	2244	21	.	.	.
39142	2245	1	The	the	DT
39142	2245	2	rings	ring	NNS
39142	2245	3	appear	appear	VBP
39142	2245	4	opened	open	VBN
39142	2245	5	to	to	IN
39142	2245	6	the	the	DT
39142	2245	7	fullest	full	JJS
39142	2245	8	extent	extent	NN
39142	2245	9	they	-PRON-	PRP
39142	2245	10	can	can	MD
39142	2245	11	be	be	VB
39142	2245	12	seen	see	VBN
39142	2245	13	from	from	IN
39142	2245	14	the	the	DT
39142	2245	15	earth	earth	NN
39142	2245	16	.	.	.
39142	2246	1	The	the	DT
39142	2246	2	picture	picture	NN
39142	2246	3	was	be	VBD
39142	2246	4	made	make	VBN
39142	2246	5	July	July	NNP
39142	2246	6	7	7	CD
39142	2246	7	,	,	,
39142	2246	8	1898	1898	CD
39142	2246	9	.	.	.
39142	2247	1	(	(	-LRB-
39142	2247	2	_	_	NNP
39142	2247	3	Photo	Photo	NNP
39142	2247	4	,	,	,
39142	2247	5	Yerkes	Yerkes	NNP
39142	2247	6	Observatory	Observatory	NNP
39142	2247	7	.	.	.
39142	2247	8	_	_	NNP
39142	2247	9	)	)	-RRB-
39142	2247	10	]	]	-RRB-
39142	2247	11	While	while	IN
39142	2247	12	the	the	DT
39142	2247	13	number	number	NN
39142	2247	14	of	of	IN
39142	2247	15	the	the	DT
39142	2247	16	asteroids	asteroid	NNS
39142	2247	17	is	be	VBZ
39142	2247	18	gratifyingly	gratifyingly	RB
39142	2247	19	large	large	JJ
39142	2247	20	,	,	,
39142	2247	21	their	-PRON-	PRP$
39142	2247	22	individual	individual	JJ
39142	2247	23	size	size	NN
39142	2247	24	is	be	VBZ
39142	2247	25	so	so	RB
39142	2247	26	small	small	JJ
39142	2247	27	and	and	CC
39142	2247	28	their	-PRON-	PRP$
39142	2247	29	total	total	JJ
39142	2247	30	mass	mass	NN
39142	2247	31	so	so	RB
39142	2247	32	slight	slight	JJ
39142	2247	33	that	that	IN
39142	2247	34	,	,	,
39142	2247	35	even	even	RB
39142	2247	36	if	if	IN
39142	2247	37	there	there	EX
39142	2247	38	are	be	VBP
39142	2247	39	a	a	DT
39142	2247	40	hundred	hundred	CD
39142	2247	41	thousand	thousand	CD
39142	2247	42	of	of	IN
39142	2247	43	them	-PRON-	PRP
39142	2247	44	(	(	-LRB-
39142	2247	45	as	as	IN
39142	2247	46	is	be	VBZ
39142	2247	47	wholly	wholly	RB
39142	2247	48	possible	possible	JJ
39142	2247	49	)	)	-RRB-
39142	2247	50	,	,	,
39142	2247	51	they	-PRON-	PRP
39142	2247	52	would	would	MD
39142	2247	53	not	not	RB
39142	2247	54	be	be	VB
39142	2247	55	comparable	comparable	JJ
39142	2247	56	in	in	IN
39142	2247	57	magnitude	magnitude	NN
39142	2247	58	with	with	IN
39142	2247	59	any	any	DT
39142	2247	60	one	one	CD
39142	2247	61	of	of	IN
39142	2247	62	the	the	DT
39142	2247	63	great	great	JJ
39142	2247	64	planets	planet	NNS
39142	2247	65	.	.	.
39142	2248	1	Vesta	Vesta	NNP
39142	2248	2	,	,	,
39142	2248	3	the	the	DT
39142	2248	4	largest	large	JJS
39142	2248	5	,	,	,
39142	2248	6	is	be	VBZ
39142	2248	7	perhaps	perhaps	RB
39142	2248	8	400	400	CD
39142	2248	9	miles	mile	NNS
39142	2248	10	in	in	IN
39142	2248	11	diameter	diameter	NN
39142	2248	12	,	,	,
39142	2248	13	and	and	CC
39142	2248	14	if	if	IN
39142	2248	15	composed	compose	VBN
39142	2248	16	of	of	IN
39142	2248	17	substances	substance	NNS
39142	2248	18	similar	similar	JJ
39142	2248	19	to	to	IN
39142	2248	20	those	those	DT
39142	2248	21	which	which	WDT
39142	2248	22	make	make	VBP
39142	2248	23	up	up	RP
39142	2248	24	the	the	DT
39142	2248	25	earth	earth	NN
39142	2248	26	,	,	,
39142	2248	27	its	-PRON-	PRP$
39142	2248	28	mass	mass	NN
39142	2248	29	may	may	MD
39142	2248	30	be	be	VB
39142	2248	31	perhaps	perhaps	RB
39142	2248	32	one	one	CD
39142	2248	33	twenty	twenty	CD
39142	2248	34	-	-	HYPH
39142	2248	35	thousandth	thousandth	NN
39142	2248	36	of	of	IN
39142	2248	37	the	the	DT
39142	2248	38	earth	earth	NN
39142	2248	39	's	's	POS
39142	2248	40	mass	mass	NN
39142	2248	41	.	.	.
39142	2249	1	If	if	IN
39142	2249	2	we	-PRON-	PRP
39142	2249	3	calculate	calculate	VBP
39142	2249	4	the	the	DT
39142	2249	5	surface	surface	NN
39142	2249	6	gravity	gravity	NN
39142	2249	7	on	on	IN
39142	2249	8	such	such	PDT
39142	2249	9	a	a	DT
39142	2249	10	body	body	NN
39142	2249	11	,	,	,
39142	2249	12	we	-PRON-	PRP
39142	2249	13	find	find	VBP
39142	2249	14	it	-PRON-	PRP
39142	2249	15	about	about	IN
39142	2249	16	one	one	CD
39142	2249	17	-	-	HYPH
39142	2249	18	thirtieth	thirtieth	JJ
39142	2249	19	of	of	IN
39142	2249	20	what	what	WP
39142	2249	21	it	-PRON-	PRP
39142	2249	22	is	be	VBZ
39142	2249	23	here	here	RB
39142	2249	24	;	;	:
39142	2249	25	so	so	IN
39142	2249	26	that	that	IN
39142	2249	27	a	a	DT
39142	2249	28	rifle	rifle	NN
39142	2249	29	ball	ball	NN
39142	2249	30	,	,	,
39142	2249	31	if	if	IN
39142	2249	32	fired	fire	VBN
39142	2249	33	on	on	IN
39142	2249	34	Vesta	Vesta	NNP
39142	2249	35	with	with	IN
39142	2249	36	a	a	DT
39142	2249	37	muzzle	muzzle	NN
39142	2249	38	velocity	velocity	NN
39142	2249	39	of	of	IN
39142	2249	40	only	only	RB
39142	2249	41	2,000	2,000	CD
39142	2249	42	feet	foot	NNS
39142	2249	43	a	a	DT
39142	2249	44	second	second	JJ
39142	2249	45	,	,	,
39142	2249	46	might	may	MD
39142	2249	47	overmaster	overmaster	VB
39142	2249	48	the	the	DT
39142	2249	49	gravity	gravity	NN
39142	2249	50	of	of	IN
39142	2249	51	the	the	DT
39142	2249	52	little	little	JJ
39142	2249	53	planet	planet	NN
39142	2249	54	entirely	entirely	RB
39142	2249	55	and	and	CC
39142	2249	56	be	be	VB
39142	2249	57	projected	project	VBN
39142	2249	58	in	in	IN
39142	2249	59	space	space	NN
39142	2249	60	never	never	RB
39142	2249	61	to	to	TO
39142	2249	62	return	return	VB
39142	2249	63	.	.	.
39142	2250	1	If	if	IN
39142	2250	2	,	,	,
39142	2250	3	as	as	IN
39142	2250	4	is	be	VBZ
39142	2250	5	likely	likely	JJ
39142	2250	6	,	,	,
39142	2250	7	some	some	DT
39142	2250	8	of	of	IN
39142	2250	9	the	the	DT
39142	2250	10	smallest	small	JJS
39142	2250	11	asteroids	asteroid	NNS
39142	2250	12	are	be	VBP
39142	2250	13	not	not	RB
39142	2250	14	more	more	JJR
39142	2250	15	than	than	IN
39142	2250	16	ten	ten	CD
39142	2250	17	miles	mile	NNS
39142	2250	18	in	in	IN
39142	2250	19	diameter	diameter	NN
39142	2250	20	,	,	,
39142	2250	21	their	-PRON-	PRP$
39142	2250	22	gravity	gravity	NN
39142	2250	23	must	must	MD
39142	2250	24	be	be	VB
39142	2250	25	so	so	RB
39142	2250	26	feeble	feeble	JJ
39142	2250	27	a	a	DT
39142	2250	28	force	force	NN
39142	2250	29	that	that	IN
39142	2250	30	it	-PRON-	PRP
39142	2250	31	might	may	MD
39142	2250	32	be	be	VB
39142	2250	33	overcome	overcome	VBN
39142	2250	34	by	by	IN
39142	2250	35	a	a	DT
39142	2250	36	stone	stone	NN
39142	2250	37	thrown	throw	VBN
39142	2250	38	from	from	IN
39142	2250	39	the	the	DT
39142	2250	40	hand	hand	NN
39142	2250	41	.	.	.
39142	2251	1	There	there	EX
39142	2251	2	is	be	VBZ
39142	2251	3	no	no	DT
39142	2251	4	reliable	reliable	JJ
39142	2251	5	evidence	evidence	NN
39142	2251	6	that	that	IN
39142	2251	7	any	any	DT
39142	2251	8	of	of	IN
39142	2251	9	the	the	DT
39142	2251	10	asteroids	asteroid	NNS
39142	2251	11	are	be	VBP
39142	2251	12	surrounded	surround	VBN
39142	2251	13	by	by	IN
39142	2251	14	atmospheric	atmospheric	JJ
39142	2251	15	gases	gas	NNS
39142	2251	16	of	of	IN
39142	2251	17	any	any	DT
39142	2251	18	sort	sort	NN
39142	2251	19	.	.	.
39142	2252	1	Probably	probably	RB
39142	2252	2	they	-PRON-	PRP
39142	2252	3	are	be	VBP
39142	2252	4	for	for	IN
39142	2252	5	the	the	DT
39142	2252	6	most	most	JJS
39142	2252	7	part	part	NN
39142	2252	8	spherical	spherical	JJ
39142	2252	9	in	in	IN
39142	2252	10	form	form	NN
39142	2252	11	,	,	,
39142	2252	12	although	although	IN
39142	2252	13	there	there	EX
39142	2252	14	is	be	VBZ
39142	2252	15	very	very	RB
39142	2252	16	reliable	reliable	JJ
39142	2252	17	evidence	evidence	NN
39142	2252	18	that	that	IN
39142	2252	19	a	a	DT
39142	2252	20	few	few	JJ
39142	2252	21	of	of	IN
39142	2252	22	the	the	DT
39142	2252	23	asteroids	asteroid	NNS
39142	2252	24	,	,	,
39142	2252	25	being	be	VBG
39142	2252	26	variable	variable	JJ
39142	2252	27	in	in	IN
39142	2252	28	the	the	DT
39142	2252	29	amount	amount	NN
39142	2252	30	of	of	IN
39142	2252	31	sunlight	sunlight	NN
39142	2252	32	that	that	WDT
39142	2252	33	they	-PRON-	PRP
39142	2252	34	reflect	reflect	VBP
39142	2252	35	,	,	,
39142	2252	36	are	be	VBP
39142	2252	37	irregular	irregular	JJ
39142	2252	38	in	in	IN
39142	2252	39	form	form	NN
39142	2252	40	,	,	,
39142	2252	41	mere	mere	JJ
39142	2252	42	angular	angular	JJ
39142	2252	43	masses	masse	NNS
39142	2252	44	perhaps	perhaps	RB
39142	2252	45	.	.	.
39142	2253	1	The	the	DT
39142	2253	2	network	network	NN
39142	2253	3	of	of	IN
39142	2253	4	orbits	orbit	NNS
39142	2253	5	of	of	IN
39142	2253	6	the	the	DT
39142	2253	7	asteroids	asteroid	NNS
39142	2253	8	is	be	VBZ
39142	2253	9	inconceivable	inconceivable	JJ
39142	2253	10	complicated	complicate	VBN
39142	2253	11	.	.	.
39142	2254	1	Nevertheless	nevertheless	RB
39142	2254	2	,	,	,
39142	2254	3	there	there	EX
39142	2254	4	is	be	VBZ
39142	2254	5	a	a	DT
39142	2254	6	wide	wide	JJ
39142	2254	7	variation	variation	NN
39142	2254	8	in	in	IN
39142	2254	9	their	-PRON-	PRP$
39142	2254	10	average	average	JJ
39142	2254	11	distance	distance	NN
39142	2254	12	from	from	IN
39142	2254	13	the	the	DT
39142	2254	14	sun	sun	NN
39142	2254	15	,	,	,
39142	2254	16	and	and	CC
39142	2254	17	their	-PRON-	PRP$
39142	2254	18	periods	period	NNS
39142	2254	19	of	of	IN
39142	2254	20	traveling	travel	VBG
39142	2254	21	round	round	IN
39142	2254	22	him	-PRON-	PRP
39142	2254	23	vary	vary	VBP
39142	2254	24	in	in	IN
39142	2254	25	a	a	DT
39142	2254	26	similar	similar	JJ
39142	2254	27	manner	manner	NN
39142	2254	28	,	,	,
39142	2254	29	the	the	DT
39142	2254	30	shortest	short	JJS
39142	2254	31	being	be	VBG
39142	2254	32	only	only	RB
39142	2254	33	about	about	RB
39142	2254	34	three	three	CD
39142	2254	35	years	year	NNS
39142	2254	36	.	.	.
39142	2255	1	While	while	IN
39142	2255	2	the	the	DT
39142	2255	3	longest	long	JJS
39142	2255	4	is	be	VBZ
39142	2255	5	nearly	nearly	RB
39142	2255	6	nine	nine	CD
39142	2255	7	years	year	NNS
39142	2255	8	in	in	IN
39142	2255	9	duration	duration	NN
39142	2255	10	,	,	,
39142	2255	11	the	the	DT
39142	2255	12	average	average	NN
39142	2255	13	of	of	IN
39142	2255	14	all	all	DT
39142	2255	15	their	-PRON-	PRP$
39142	2255	16	periods	period	NNS
39142	2255	17	is	be	VBZ
39142	2255	18	a	a	DT
39142	2255	19	little	little	JJ
39142	2255	20	over	over	IN
39142	2255	21	four	four	CD
39142	2255	22	years	year	NNS
39142	2255	23	.	.	.
39142	2256	1	The	the	DT
39142	2256	2	gap	gap	NN
39142	2256	3	in	in	IN
39142	2256	4	the	the	DT
39142	2256	5	zone	zone	NN
39142	2256	6	of	of	IN
39142	2256	7	asteroids	asteroid	NNS
39142	2256	8	,	,	,
39142	2256	9	at	at	IN
39142	2256	10	a	a	DT
39142	2256	11	distance	distance	NN
39142	2256	12	from	from	IN
39142	2256	13	the	the	DT
39142	2256	14	sun	sun	NN
39142	2256	15	equal	equal	JJ
39142	2256	16	to	to	IN
39142	2256	17	about	about	RB
39142	2256	18	five	five	CD
39142	2256	19	-	-	HYPH
39142	2256	20	eighths	eighth	NNS
39142	2256	21	that	that	DT
39142	2256	22	of	of	IN
39142	2256	23	Jupiter	Jupiter	NNP
39142	2256	24	,	,	,
39142	2256	25	is	be	VBZ
39142	2256	26	due	due	JJ
39142	2256	27	to	to	IN
39142	2256	28	the	the	DT
39142	2256	29	excessive	excessive	JJ
39142	2256	30	disturbing	disturbing	JJ
39142	2256	31	action	action	NN
39142	2256	32	of	of	IN
39142	2256	33	Jupiter	Jupiter	NNP
39142	2256	34	,	,	,
39142	2256	35	whose	whose	WP$
39142	2256	36	periodic	periodic	JJ
39142	2256	37	time	time	NN
39142	2256	38	is	be	VBZ
39142	2256	39	just	just	RB
39142	2256	40	twice	twice	RB
39142	2256	41	as	as	RB
39142	2256	42	long	long	RB
39142	2256	43	as	as	IN
39142	2256	44	that	that	DT
39142	2256	45	of	of	IN
39142	2256	46	a	a	DT
39142	2256	47	theoretical	theoretical	JJ
39142	2256	48	planet	planet	NN
39142	2256	49	at	at	IN
39142	2256	50	this	this	DT
39142	2256	51	distance	distance	NN
39142	2256	52	.	.	.
39142	2257	1	The	the	DT
39142	2257	2	average	average	JJ
39142	2257	3	inclination	inclination	NN
39142	2257	4	of	of	IN
39142	2257	5	their	-PRON-	PRP$
39142	2257	6	orbits	orbit	NNS
39142	2257	7	to	to	IN
39142	2257	8	the	the	DT
39142	2257	9	plane	plane	NN
39142	2257	10	of	of	IN
39142	2257	11	the	the	DT
39142	2257	12	ecliptic	ecliptic	NN
39142	2257	13	is	be	VBZ
39142	2257	14	not	not	RB
39142	2257	15	far	far	RB
39142	2257	16	from	from	IN
39142	2257	17	8	8	CD
39142	2257	18	degrees	degree	NNS
39142	2257	19	.	.	.
39142	2258	1	But	but	CC
39142	2258	2	the	the	DT
39142	2258	3	orbit	orbit	NN
39142	2258	4	of	of	IN
39142	2258	5	Pallas	Pallas	NNP
39142	2258	6	,	,	,
39142	2258	7	for	for	IN
39142	2258	8	example	example	NN
39142	2258	9	,	,	,
39142	2258	10	is	be	VBZ
39142	2258	11	inclined	inclined	JJ
39142	2258	12	35	35	CD
39142	2258	13	degrees	degree	NNS
39142	2258	14	,	,	,
39142	2258	15	and	and	CC
39142	2258	16	the	the	DT
39142	2258	17	eccentricities	eccentricity	NNS
39142	2258	18	of	of	IN
39142	2258	19	the	the	DT
39142	2258	20	asteroid	asteroid	NN
39142	2258	21	orbits	orbit	NNS
39142	2258	22	are	be	VBP
39142	2258	23	equally	equally	RB
39142	2258	24	erratic	erratic	JJ
39142	2258	25	and	and	CC
39142	2258	26	excessive	excessive	JJ
39142	2258	27	.	.	.
39142	2259	1	Both	both	DT
39142	2259	2	eccentricity	eccentricity	NN
39142	2259	3	and	and	CC
39142	2259	4	inclination	inclination	NN
39142	2259	5	of	of	IN
39142	2259	6	orbit	orbit	NN
39142	2259	7	at	at	IN
39142	2259	8	times	time	NNS
39142	2259	9	suggest	suggest	VBP
39142	2259	10	a	a	DT
39142	2259	11	possible	possible	JJ
39142	2259	12	relation	relation	NN
39142	2259	13	to	to	IN
39142	2259	14	cometary	cometary	JJ
39142	2259	15	orbits	orbit	NNS
39142	2259	16	,	,	,
39142	2259	17	but	but	CC
39142	2259	18	nothing	nothing	NN
39142	2259	19	has	have	VBZ
39142	2259	20	ever	ever	RB
39142	2259	21	been	be	VBN
39142	2259	22	definitely	definitely	RB
39142	2259	23	made	make	VBN
39142	2259	24	out	out	RP
39142	2259	25	connecting	connect	VBG
39142	2259	26	asteroids	asteroid	NNS
39142	2259	27	and	and	CC
39142	2259	28	comets	comet	NNS
39142	2259	29	in	in	IN
39142	2259	30	a	a	DT
39142	2259	31	related	related	JJ
39142	2259	32	origin	origin	NN
39142	2259	33	.	.	.
39142	2260	1	No	no	DT
39142	2260	2	comprehensive	comprehensive	JJ
39142	2260	3	theory	theory	NN
39142	2260	4	of	of	IN
39142	2260	5	the	the	DT
39142	2260	6	origin	origin	NN
39142	2260	7	of	of	IN
39142	2260	8	the	the	DT
39142	2260	9	asteroid	asteroid	NNP
39142	2260	10	group	group	NN
39142	2260	11	has	have	VBZ
39142	2260	12	yet	yet	RB
39142	2260	13	been	be	VBN
39142	2260	14	propounded	propound	VBN
39142	2260	15	that	that	WDT
39142	2260	16	has	have	VBZ
39142	2260	17	met	meet	VBN
39142	2260	18	with	with	IN
39142	2260	19	universal	universal	JJ
39142	2260	20	acceptance	acceptance	NN
39142	2260	21	.	.	.
39142	2261	1	According	accord	VBG
39142	2261	2	to	to	IN
39142	2261	3	the	the	DT
39142	2261	4	nebular	nebular	JJ
39142	2261	5	hypothesis	hypothesis	NN
39142	2261	6	the	the	DT
39142	2261	7	original	original	JJ
39142	2261	8	gaseous	gaseous	JJ
39142	2261	9	material	material	NN
39142	2261	10	,	,	,
39142	2261	11	which	which	WDT
39142	2261	12	should	should	MD
39142	2261	13	have	have	VB
39142	2261	14	been	be	VBN
39142	2261	15	so	so	RB
39142	2261	16	concentrated	concentrated	JJ
39142	2261	17	as	as	IN
39142	2261	18	to	to	TO
39142	2261	19	form	form	VB
39142	2261	20	a	a	DT
39142	2261	21	planet	planet	NN
39142	2261	22	of	of	IN
39142	2261	23	ordinary	ordinary	JJ
39142	2261	24	type	type	NN
39142	2261	25	,	,	,
39142	2261	26	has	have	VBZ
39142	2261	27	in	in	IN
39142	2261	28	the	the	DT
39142	2261	29	case	case	NN
39142	2261	30	of	of	IN
39142	2261	31	the	the	DT
39142	2261	32	asteroids	asteroid	NNS
39142	2261	33	collected	collect	VBN
39142	2261	34	into	into	IN
39142	2261	35	a	a	DT
39142	2261	36	multitude	multitude	NN
39142	2261	37	of	of	IN
39142	2261	38	small	small	JJ
39142	2261	39	masses	masse	NNS
39142	2261	40	instead	instead	RB
39142	2261	41	of	of	IN
39142	2261	42	simply	simply	RB
39142	2261	43	one	one	CD
39142	2261	44	.	.	.
39142	2262	1	That	that	IN
39142	2262	2	there	there	EX
39142	2262	3	is	be	VBZ
39142	2262	4	a	a	DT
39142	2262	5	sound	sound	JJ
39142	2262	6	physical	physical	JJ
39142	2262	7	reason	reason	NN
39142	2262	8	for	for	IN
39142	2262	9	this	this	DT
39142	2262	10	can	can	MD
39142	2262	11	hardly	hardly	RB
39142	2262	12	be	be	VB
39142	2262	13	denied	deny	VBN
39142	2262	14	.	.	.
39142	2263	1	According	accord	VBG
39142	2263	2	to	to	IN
39142	2263	3	the	the	DT
39142	2263	4	Laplacian	laplacian	JJ
39142	2263	5	hypothesis	hypothesis	NN
39142	2263	6	,	,	,
39142	2263	7	the	the	DT
39142	2263	8	nearness	nearness	NN
39142	2263	9	of	of	IN
39142	2263	10	the	the	DT
39142	2263	11	huge	huge	JJ
39142	2263	12	planetary	planetary	NN
39142	2263	13	mass	mass	NN
39142	2263	14	of	of	IN
39142	2263	15	Jupiter	Jupiter	NNP
39142	2263	16	just	just	RB
39142	2263	17	beyond	beyond	IN
39142	2263	18	their	-PRON-	PRP$
39142	2263	19	orbits	orbit	NNS
39142	2263	20	produced	produce	VBD
39142	2263	21	violent	violent	JJ
39142	2263	22	perturbations	perturbation	NNS
39142	2263	23	which	which	WDT
39142	2263	24	caused	cause	VBD
39142	2263	25	the	the	DT
39142	2263	26	original	original	JJ
39142	2263	27	ring	ring	NN
39142	2263	28	of	of	IN
39142	2263	29	gaseous	gaseous	JJ
39142	2263	30	material	material	NN
39142	2263	31	to	to	TO
39142	2263	32	collect	collect	VB
39142	2263	33	into	into	IN
39142	2263	34	fragmentary	fragmentary	JJ
39142	2263	35	masses	masse	NNS
39142	2263	36	instead	instead	RB
39142	2263	37	of	of	IN
39142	2263	38	one	one	CD
39142	2263	39	considerable	considerable	JJ
39142	2263	40	planet	planet	NN
39142	2263	41	.	.	.
39142	2264	1	The	the	DT
39142	2264	2	theory	theory	NN
39142	2264	3	of	of	IN
39142	2264	4	a	a	DT
39142	2264	5	century	century	NN
39142	2264	6	ago	ago	RB
39142	2264	7	that	that	IN
39142	2264	8	an	an	DT
39142	2264	9	original	original	JJ
39142	2264	10	great	great	JJ
39142	2264	11	planet	planet	NN
39142	2264	12	was	be	VBD
39142	2264	13	shattered	shatter	VBN
39142	2264	14	by	by	IN
39142	2264	15	internal	internal	JJ
39142	2264	16	explosive	explosive	JJ
39142	2264	17	forces	force	NNS
39142	2264	18	is	be	VBZ
39142	2264	19	no	no	RB
39142	2264	20	longer	long	RBR
39142	2264	21	regarded	regard	VBN
39142	2264	22	as	as	IN
39142	2264	23	tenable	tenable	JJ
39142	2264	24	.	.	.
39142	2265	1	To	to	IN
39142	2265	2	astronomers	astronomer	NNS
39142	2265	3	engaged	engage	VBN
39142	2265	4	upon	upon	IN
39142	2265	5	investigation	investigation	NN
39142	2265	6	of	of	IN
39142	2265	7	distances	distance	NNS
39142	2265	8	in	in	IN
39142	2265	9	the	the	DT
39142	2265	10	solar	solar	JJ
39142	2265	11	system	system	NN
39142	2265	12	,	,	,
39142	2265	13	the	the	DT
39142	2265	14	asteroid	asteroid	NN
39142	2265	15	group	group	NN
39142	2265	16	has	have	VBZ
39142	2265	17	proved	prove	VBN
39142	2265	18	very	very	RB
39142	2265	19	useful	useful	JJ
39142	2265	20	.	.	.
39142	2266	1	The	the	DT
39142	2266	2	late	late	JJ
39142	2266	3	Sir	Sir	NNP
39142	2266	4	David	David	NNP
39142	2266	5	Gill	Gill	NNP
39142	2266	6	employed	employ	VBD
39142	2266	7	a	a	DT
39142	2266	8	number	number	NN
39142	2266	9	of	of	IN
39142	2266	10	them	-PRON-	PRP
39142	2266	11	in	in	IN
39142	2266	12	a	a	DT
39142	2266	13	geometrical	geometrical	JJ
39142	2266	14	research	research	NN
39142	2266	15	for	for	IN
39142	2266	16	finding	find	VBG
39142	2266	17	the	the	DT
39142	2266	18	sun	sun	NN
39142	2266	19	's	's	POS
39142	2266	20	distance	distance	NN
39142	2266	21	,	,	,
39142	2266	22	and	and	CC
39142	2266	23	more	more	RBR
39142	2266	24	recently	recently	RB
39142	2266	25	the	the	DT
39142	2266	26	discovery	discovery	NN
39142	2266	27	of	of	IN
39142	2266	28	Eros	Eros	NNP
39142	2266	29	(	(	-LRB-
39142	2266	30	433	433	CD
39142	2266	31	)	)	-RRB-
39142	2266	32	has	have	VBZ
39142	2266	33	made	make	VBN
39142	2266	34	it	-PRON-	PRP
39142	2266	35	possible	possible	JJ
39142	2266	36	to	to	TO
39142	2266	37	apply	apply	VB
39142	2266	38	a	a	DT
39142	2266	39	similar	similar	JJ
39142	2266	40	method	method	NN
39142	2266	41	for	for	IN
39142	2266	42	a	a	DT
39142	2266	43	like	like	JJ
39142	2266	44	purpose	purpose	NN
39142	2266	45	when	when	WRB
39142	2266	46	it	-PRON-	PRP
39142	2266	47	approaches	approach	VBZ
39142	2266	48	nearest	near	JJS
39142	2266	49	to	to	IN
39142	2266	50	the	the	DT
39142	2266	51	earth	earth	NN
39142	2266	52	in	in	IN
39142	2266	53	1924	1924	CD
39142	2266	54	and	and	CC
39142	2266	55	1931	1931	CD
39142	2266	56	.	.	.
39142	2267	1	Then	then	RB
39142	2267	2	the	the	DT
39142	2267	3	distance	distance	NN
39142	2267	4	of	of	IN
39142	2267	5	Eros	Eros	NNP
39142	2267	6	will	will	MD
39142	2267	7	be	be	VB
39142	2267	8	less	less	JJR
39142	2267	9	than	than	IN
39142	2267	10	half	half	PDT
39142	2267	11	that	that	DT
39142	2267	12	of	of	IN
39142	2267	13	Mars	Mars	NNP
39142	2267	14	or	or	CC
39142	2267	15	even	even	RB
39142	2267	16	Venus	Venus	NNP
39142	2267	17	at	at	IN
39142	2267	18	their	-PRON-	PRP$
39142	2267	19	nearest	near	JJS
39142	2267	20	.	.	.
39142	2268	1	When	when	WRB
39142	2268	2	the	the	DT
39142	2268	3	total	total	JJ
39142	2268	4	number	number	NN
39142	2268	5	of	of	IN
39142	2268	6	asteroids	asteroid	NNS
39142	2268	7	discovered	discover	VBN
39142	2268	8	has	have	VBZ
39142	2268	9	reached	reach	VBN
39142	2268	10	1,000	1,000	CD
39142	2268	11	,	,	,
39142	2268	12	with	with	IN
39142	2268	13	accurate	accurate	JJ
39142	2268	14	determination	determination	NN
39142	2268	15	of	of	IN
39142	2268	16	all	all	DT
39142	2268	17	their	-PRON-	PRP$
39142	2268	18	orbits	orbit	NNS
39142	2268	19	,	,	,
39142	2268	20	we	-PRON-	PRP
39142	2268	21	shall	shall	MD
39142	2268	22	have	have	VB
39142	2268	23	sufficient	sufficient	JJ
39142	2268	24	material	material	NN
39142	2268	25	for	for	IN
39142	2268	26	a	a	DT
39142	2268	27	statistical	statistical	JJ
39142	2268	28	investigation	investigation	NN
39142	2268	29	of	of	IN
39142	2268	30	the	the	DT
39142	2268	31	group	group	NN
39142	2268	32	which	which	WDT
39142	2268	33	ought	ought	MD
39142	2268	34	to	to	TO
39142	2268	35	elucidate	elucidate	VB
39142	2268	36	the	the	DT
39142	2268	37	question	question	NN
39142	2268	38	of	of	IN
39142	2268	39	its	-PRON-	PRP$
39142	2268	40	origin	origin	NN
39142	2268	41	,	,	,
39142	2268	42	and	and	CC
39142	2268	43	bear	bear	VB
39142	2268	44	on	on	IN
39142	2268	45	other	other	JJ
39142	2268	46	problems	problem	NNS
39142	2268	47	of	of	IN
39142	2268	48	the	the	DT
39142	2268	49	cosmogony	cosmogony	NN
39142	2268	50	yet	yet	CC
39142	2268	51	unsolved	unsolved	JJ
39142	2268	52	.	.	.
39142	2269	1	Present	present	JJ
39142	2269	2	methods	method	NNS
39142	2269	3	of	of	IN
39142	2269	4	discovery	discovery	NN
39142	2269	5	of	of	IN
39142	2269	6	the	the	DT
39142	2269	7	asteroids	asteroid	NNS
39142	2269	8	by	by	IN
39142	2269	9	photography	photography	NNP
39142	2269	10	replace	replace	VBP
39142	2269	11	entirely	entirely	RB
39142	2269	12	the	the	DT
39142	2269	13	old	old	JJ
39142	2269	14	method	method	NN
39142	2269	15	by	by	IN
39142	2269	16	visual	visual	JJ
39142	2269	17	observation	observation	NN
39142	2269	18	alone	alone	RB
39142	2269	19	,	,	,
39142	2269	20	with	with	IN
39142	2269	21	the	the	DT
39142	2269	22	result	result	NN
39142	2269	23	that	that	IN
39142	2269	24	discoveries	discovery	NNS
39142	2269	25	are	be	VBP
39142	2269	26	made	make	VBN
39142	2269	27	with	with	IN
39142	2269	28	relatively	relatively	RB
39142	2269	29	great	great	JJ
39142	2269	30	ease	ease	NN
39142	2269	31	and	and	CC
39142	2269	32	rapidity	rapidity	NN
39142	2269	33	.	.	.
39142	2270	1	CHAPTER	chapter	NN
39142	2270	2	XXXVI	xxxvi	NN
39142	2270	3	THE	the	DT
39142	2270	4	GIANT	GIANT	NNP
39142	2270	5	PLANET	PLANET	NNS
39142	2270	6	I	-PRON-	PRP
39142	2270	7	can	can	MD
39142	2270	8	never	never	RB
39142	2270	9	forget	forget	VB
39142	2270	10	as	as	IN
39142	2270	11	a	a	DT
39142	2270	12	young	young	JJ
39142	2270	13	boy	boy	NN
39142	2270	14	my	-PRON-	PRP$
39142	2270	15	first	first	JJ
39142	2270	16	glimpse	glimpse	NN
39142	2270	17	of	of	IN
39142	2270	18	the	the	DT
39142	2270	19	planet	planet	NN
39142	2270	20	Jupiter	Jupiter	NNP
39142	2270	21	and	and	CC
39142	2270	22	his	-PRON-	PRP$
39142	2270	23	moons	moon	NNS
39142	2270	24	;	;	:
39142	2270	25	it	-PRON-	PRP
39142	2270	26	was	be	VBD
39142	2270	27	through	through	IN
39142	2270	28	a	a	DT
39142	2270	29	bit	bit	NN
39142	2270	30	of	of	IN
39142	2270	31	a	a	DT
39142	2270	32	telescope	telescope	NN
39142	2270	33	that	that	WDT
39142	2270	34	I	-PRON-	PRP
39142	2270	35	had	have	VBD
39142	2270	36	put	put	VBN
39142	2270	37	together	together	RB
39142	2270	38	with	with	IN
39142	2270	39	my	-PRON-	PRP$
39142	2270	40	own	own	JJ
39142	2270	41	hands	hand	NNS
39142	2270	42	;	;	:
39142	2270	43	a	a	DT
39142	2270	44	tube	tube	NN
39142	2270	45	of	of	IN
39142	2270	46	pasteboard	pasteboard	NN
39142	2270	47	,	,	,
39142	2270	48	and	and	CC
39142	2270	49	a	a	DT
39142	2270	50	pair	pair	NN
39142	2270	51	of	of	IN
39142	2270	52	old	old	JJ
39142	2270	53	spectacle	spectacle	NN
39142	2270	54	lenses	lense	NNS
39142	2270	55	that	that	WDT
39142	2270	56	chanced	chance	VBD
39142	2270	57	to	to	TO
39142	2270	58	be	be	VB
39142	2270	59	lying	lie	VBG
39142	2270	60	about	about	IN
39142	2270	61	the	the	DT
39142	2270	62	house	house	NN
39142	2270	63	.	.	.
39142	2271	1	In	in	IN
39142	2271	2	the	the	DT
39142	2271	3	field	field	NN
39142	2271	4	of	of	IN
39142	2271	5	view	view	NN
39142	2271	6	I	-PRON-	PRP
39142	2271	7	saw	see	VBD
39142	2271	8	five	five	CD
39142	2271	9	objects	object	NNS
39142	2271	10	;	;	:
39142	2271	11	four	four	CD
39142	2271	12	of	of	IN
39142	2271	13	them	-PRON-	PRP
39142	2271	14	looking	look	VBG
39142	2271	15	quite	quite	RB
39142	2271	16	alike	alike	RB
39142	2271	17	,	,	,
39142	2271	18	and	and	CC
39142	2271	19	as	as	IN
39142	2271	20	if	if	IN
39142	2271	21	they	-PRON-	PRP
39142	2271	22	were	be	VBD
39142	2271	23	stars	star	NNS
39142	2271	24	merely	merely	RB
39142	2271	25	(	(	-LRB-
39142	2271	26	they	-PRON-	PRP
39142	2271	27	were	be	VBD
39142	2271	28	Jupiter	Jupiter	NNP
39142	2271	29	's	's	POS
39142	2271	30	moons	moon	NNS
39142	2271	31	)	)	-RRB-
39142	2271	32	,	,	,
39142	2271	33	while	while	IN
39142	2271	34	the	the	DT
39142	2271	35	fifth	fifth	JJ
39142	2271	36	was	be	VBD
39142	2271	37	vastly	vastly	RB
39142	2271	38	larger	large	JJR
39142	2271	39	and	and	CC
39142	2271	40	brighter	bright	JJR
39142	2271	41	.	.	.
39142	2272	1	It	-PRON-	PRP
39142	2272	2	was	be	VBD
39142	2272	3	circular	circular	JJ
39142	2272	4	in	in	IN
39142	2272	5	shape	shape	NN
39142	2272	6	,	,	,
39142	2272	7	and	and	CC
39142	2272	8	I	-PRON-	PRP
39142	2272	9	thought	think	VBD
39142	2272	10	I	-PRON-	PRP
39142	2272	11	could	could	MD
39142	2272	12	see	see	VB
39142	2272	13	a	a	DT
39142	2272	14	faint	faint	JJ
39142	2272	15	darkish	darkish	JJ
39142	2272	16	line	line	NN
39142	2272	17	across	across	IN
39142	2272	18	the	the	DT
39142	2272	19	middle	middle	NN
39142	2272	20	of	of	IN
39142	2272	21	it	-PRON-	PRP
39142	2272	22	.	.	.
39142	2273	1	This	this	DT
39142	2273	2	experience	experience	NN
39142	2273	3	encouraged	encourage	VBD
39142	2273	4	me	-PRON-	PRP
39142	2273	5	immensely	immensely	RB
39142	2273	6	,	,	,
39142	2273	7	and	and	CC
39142	2273	8	I	-PRON-	PRP
39142	2273	9	availed	avail	VBD
39142	2273	10	myself	-PRON-	PRP
39142	2273	11	eagerly	eagerly	RB
39142	2273	12	of	of	IN
39142	2273	13	the	the	DT
39142	2273	14	first	first	JJ
39142	2273	15	chance	chance	NN
39142	2273	16	to	to	TO
39142	2273	17	see	see	VB
39142	2273	18	Jupiter	Jupiter	NNP
39142	2273	19	through	through	IN
39142	2273	20	a	a	DT
39142	2273	21	bigger	big	JJR
39142	2273	22	and	and	CC
39142	2273	23	better	well	JJR
39142	2273	24	glass	glass	NN
39142	2273	25	.	.	.
39142	2274	1	Then	then	RB
39142	2274	2	I	-PRON-	PRP
39142	2274	3	saw	see	VBD
39142	2274	4	at	at	IN
39142	2274	5	once	once	IN
39142	2274	6	that	that	IN
39142	2274	7	I	-PRON-	PRP
39142	2274	8	had	have	VBD
39142	2274	9	observed	observe	VBN
39142	2274	10	nothing	nothing	NN
39142	2274	11	wrongly	wrongly	RB
39142	2274	12	,	,	,
39142	2274	13	but	but	CC
39142	2274	14	that	that	IN
39142	2274	15	I	-PRON-	PRP
39142	2274	16	had	have	VBD
39142	2274	17	seen	see	VBN
39142	2274	18	only	only	RB
39142	2274	19	the	the	DT
39142	2274	20	merest	mere	JJS
39142	2274	21	fraction	fraction	NN
39142	2274	22	of	of	IN
39142	2274	23	what	what	WP
39142	2274	24	there	there	EX
39142	2274	25	was	be	VBD
39142	2274	26	to	to	TO
39142	2274	27	see	see	VB
39142	2274	28	.	.	.
39142	2275	1	In	in	IN
39142	2275	2	the	the	DT
39142	2275	3	first	first	JJ
39142	2275	4	place	place	NN
39142	2275	5	,	,	,
39142	2275	6	the	the	DT
39142	2275	7	planet	planet	NN
39142	2275	8	's	's	POS
39142	2275	9	disk	disk	NN
39142	2275	10	was	be	VBD
39142	2275	11	not	not	RB
39142	2275	12	perfectly	perfectly	RB
39142	2275	13	circular	circular	JJ
39142	2275	14	,	,	,
39142	2275	15	but	but	CC
39142	2275	16	slightly	slightly	RB
39142	2275	17	oval	oval	NN
39142	2275	18	.	.	.
39142	2276	1	Inquiring	inquire	VBG
39142	2276	2	into	into	IN
39142	2276	3	the	the	DT
39142	2276	4	cause	cause	NN
39142	2276	5	of	of	IN
39142	2276	6	this	this	DT
39142	2276	7	,	,	,
39142	2276	8	we	-PRON-	PRP
39142	2276	9	must	must	MD
39142	2276	10	remember	remember	VB
39142	2276	11	that	that	IN
39142	2276	12	Jupiter	Jupiter	NNP
39142	2276	13	is	be	VBZ
39142	2276	14	actually	actually	RB
39142	2276	15	not	not	RB
39142	2276	16	a	a	DT
39142	2276	17	flat	flat	JJ
39142	2276	18	disk	disk	NN
39142	2276	19	but	but	CC
39142	2276	20	a	a	DT
39142	2276	21	huge	huge	JJ
39142	2276	22	ball	ball	NN
39142	2276	23	or	or	CC
39142	2276	24	globe	globe	NN
39142	2276	25	,	,	,
39142	2276	26	more	more	JJR
39142	2276	27	than	than	IN
39142	2276	28	ten	ten	CD
39142	2276	29	times	time	NNS
39142	2276	30	the	the	DT
39142	2276	31	diameter	diameter	NN
39142	2276	32	of	of	IN
39142	2276	33	the	the	DT
39142	2276	34	earth	earth	NN
39142	2276	35	,	,	,
39142	2276	36	which	which	WDT
39142	2276	37	turns	turn	VBZ
39142	2276	38	swiftly	swiftly	RB
39142	2276	39	round	round	JJ
39142	2276	40	on	on	IN
39142	2276	41	its	-PRON-	PRP$
39142	2276	42	axis	axi	NNS
39142	2276	43	once	once	RB
39142	2276	44	every	every	DT
39142	2276	45	ten	ten	CD
39142	2276	46	hours	hour	NNS
39142	2276	47	as	as	IN
39142	2276	48	against	against	IN
39142	2276	49	the	the	DT
39142	2276	50	earth	earth	NN
39142	2276	51	's	's	POS
39142	2276	52	turning	turning	NN
39142	2276	53	round	round	RB
39142	2276	54	in	in	IN
39142	2276	55	twenty	twenty	CD
39142	2276	56	-	-	HYPH
39142	2276	57	four	four	CD
39142	2276	58	hours	hour	NNS
39142	2276	59	.	.	.
39142	2277	1	Then	then	RB
39142	2277	2	it	-PRON-	PRP
39142	2277	3	is	be	VBZ
39142	2277	4	easy	easy	JJ
39142	2277	5	to	to	TO
39142	2277	6	see	see	VB
39142	2277	7	how	how	WRB
39142	2277	8	the	the	DT
39142	2277	9	centrifugal	centrifugal	JJ
39142	2277	10	force	force	NN
39142	2277	11	bulges	bulge	VBZ
39142	2277	12	outward	outward	IN
39142	2277	13	the	the	DT
39142	2277	14	equatorial	equatorial	JJ
39142	2277	15	regions	region	NNS
39142	2277	16	of	of	IN
39142	2277	17	Jupiter	Jupiter	NNP
39142	2277	18	,	,	,
39142	2277	19	so	so	IN
39142	2277	20	that	that	IN
39142	2277	21	the	the	DT
39142	2277	22	polar	polar	JJ
39142	2277	23	regions	region	NNS
39142	2277	24	are	be	VBP
39142	2277	25	correspondingly	correspondingly	RB
39142	2277	26	drawn	draw	VBN
39142	2277	27	inward	inward	RB
39142	2277	28	,	,	,
39142	2277	29	thereby	thereby	RB
39142	2277	30	making	make	VBG
39142	2277	31	the	the	DT
39142	2277	32	polar	polar	JJ
39142	2277	33	diameter	diameter	NN
39142	2277	34	shorter	short	JJR
39142	2277	35	than	than	IN
39142	2277	36	the	the	DT
39142	2277	37	equatorial	equatorial	JJ
39142	2277	38	one	one	NN
39142	2277	39	,	,	,
39142	2277	40	which	which	WDT
39142	2277	41	is	be	VBZ
39142	2277	42	in	in	IN
39142	2277	43	line	line	NN
39142	2277	44	with	with	IN
39142	2277	45	the	the	DT
39142	2277	46	moons	moon	NNS
39142	2277	47	or	or	CC
39142	2277	48	satellites	satellite	NNS
39142	2277	49	.	.	.
39142	2278	1	The	the	DT
39142	2278	2	difference	difference	NN
39142	2278	3	between	between	IN
39142	2278	4	the	the	DT
39142	2278	5	two	two	CD
39142	2278	6	diameters	diameter	NNS
39142	2278	7	is	be	VBZ
39142	2278	8	very	very	RB
39142	2278	9	marked	mark	VBN
39142	2278	10	,	,	,
39142	2278	11	as	as	RB
39142	2278	12	much	much	JJ
39142	2278	13	as	as	IN
39142	2278	14	one	one	CD
39142	2278	15	part	part	NN
39142	2278	16	in	in	IN
39142	2278	17	fifteen	fifteen	CD
39142	2278	18	.	.	.
39142	2279	1	All	all	PDT
39142	2279	2	the	the	DT
39142	2279	3	planets	planet	NNS
39142	2279	4	are	be	VBP
39142	2279	5	slightly	slightly	RB
39142	2279	6	flattened	flatten	VBN
39142	2279	7	in	in	IN
39142	2279	8	this	this	DT
39142	2279	9	way	way	NN
39142	2279	10	,	,	,
39142	2279	11	but	but	CC
39142	2279	12	Jupiter	Jupiter	NNP
39142	2279	13	is	be	VBZ
39142	2279	14	the	the	DT
39142	2279	15	most	most	RBS
39142	2279	16	so	so	RB
39142	2279	17	of	of	IN
39142	2279	18	all	all	DT
39142	2279	19	except	except	IN
39142	2279	20	Saturn	Saturn	NNP
39142	2279	21	.	.	.
39142	2280	1	The	the	DT
39142	2280	2	little	little	JJ
39142	2280	3	darkish	darkish	JJ
39142	2280	4	line	line	NN
39142	2280	5	across	across	IN
39142	2280	6	the	the	DT
39142	2280	7	planet	planet	NN
39142	2280	8	's	's	POS
39142	2280	9	middle	middle	JJ
39142	2280	10	region	region	NN
39142	2280	11	or	or	CC
39142	2280	12	equator	equator	NN
39142	2280	13	was	be	VBD
39142	2280	14	found	find	VBN
39142	2280	15	to	to	TO
39142	2280	16	be	be	VB
39142	2280	17	replaced	replace	VBN
39142	2280	18	by	by	IN
39142	2280	19	several	several	JJ
39142	2280	20	such	such	JJ
39142	2280	21	lines	line	NNS
39142	2280	22	or	or	CC
39142	2280	23	irregular	irregular	JJ
39142	2280	24	belts	belt	NNS
39142	2280	25	and	and	CC
39142	2280	26	spots	spot	NNS
39142	2280	27	,	,	,
39142	2280	28	often	often	RB
39142	2280	29	seen	see	VBN
39142	2280	30	highly	highly	RB
39142	2280	31	colored	color	VBN
39142	2280	32	,	,	,
39142	2280	33	especially	especially	RB
39142	2280	34	with	with	IN
39142	2280	35	reflecting	reflect	VBG
39142	2280	36	telescopes	telescope	NNS
39142	2280	37	;	;	:
39142	2280	38	and	and	CC
39142	2280	39	they	-PRON-	PRP
39142	2280	40	are	be	VBP
39142	2280	41	perpetually	perpetually	RB
39142	2280	42	changing	change	VBG
39142	2280	43	their	-PRON-	PRP$
39142	2280	44	mutual	mutual	JJ
39142	2280	45	relation	relation	NN
39142	2280	46	and	and	CC
39142	2280	47	shapes	shape	NNS
39142	2280	48	,	,	,
39142	2280	49	because	because	IN
39142	2280	50	they	-PRON-	PRP
39142	2280	51	are	be	VBP
39142	2280	52	not	not	RB
39142	2280	53	solid	solid	JJ
39142	2280	54	territory	territory	NN
39142	2280	55	or	or	CC
39142	2280	56	land	land	NN
39142	2280	57	on	on	IN
39142	2280	58	Jupiter	Jupiter	NNP
39142	2280	59	,	,	,
39142	2280	60	but	but	CC
39142	2280	61	merely	merely	RB
39142	2280	62	the	the	DT
39142	2280	63	outer	outer	JJ
39142	2280	64	shapes	shape	NNS
39142	2280	65	of	of	IN
39142	2280	66	atmospheric	atmospheric	JJ
39142	2280	67	strata	strata	NN
39142	2280	68	,	,	,
39142	2280	69	blown	blown	JJ
39142	2280	70	and	and	CC
39142	2280	71	torn	tear	VBN
39142	2280	72	and	and	CC
39142	2280	73	twisted	twist	VBN
39142	2280	74	by	by	IN
39142	2280	75	atmospheric	atmospheric	JJ
39142	2280	76	circulation	circulation	NN
39142	2280	77	on	on	IN
39142	2280	78	this	this	DT
39142	2280	79	planet	planet	NN
39142	2280	80	,	,	,
39142	2280	81	quite	quite	PDT
39142	2280	82	the	the	DT
39142	2280	83	same	same	JJ
39142	2280	84	as	as	IN
39142	2280	85	clouds	cloud	NNS
39142	2280	86	in	in	IN
39142	2280	87	the	the	DT
39142	2280	88	atmosphere	atmosphere	NN
39142	2280	89	on	on	IN
39142	2280	90	the	the	DT
39142	2280	91	earth	earth	NN
39142	2280	92	are	be	VBP
39142	2280	93	.	.	.
39142	2281	1	Besides	besides	IN
39142	2281	2	this	this	DT
39142	2281	3	the	the	DT
39142	2281	4	axial	axial	JJ
39142	2281	5	turning	turning	NN
39142	2281	6	of	of	IN
39142	2281	7	Jupiter	Jupiter	NNP
39142	2281	8	brings	bring	VBZ
39142	2281	9	an	an	DT
39142	2281	10	entirely	entirely	RB
39142	2281	11	different	different	JJ
39142	2281	12	part	part	NN
39142	2281	13	of	of	IN
39142	2281	14	the	the	DT
39142	2281	15	planet	planet	NN
39142	2281	16	into	into	IN
39142	2281	17	view	view	NN
39142	2281	18	every	every	DT
39142	2281	19	two	two	CD
39142	2281	20	or	or	CC
39142	2281	21	three	three	CD
39142	2281	22	hours	hour	NNS
39142	2281	23	;	;	:
39142	2281	24	so	so	IN
39142	2281	25	that	that	IN
39142	2281	26	in	in	IN
39142	2281	27	making	make	VBG
39142	2281	28	a	a	DT
39142	2281	29	map	map	NN
39142	2281	30	or	or	CC
39142	2281	31	chart	chart	NN
39142	2281	32	of	of	IN
39142	2281	33	the	the	DT
39142	2281	34	planet	planet	NN
39142	2281	35	,	,	,
39142	2281	36	an	an	DT
39142	2281	37	arbitrary	arbitrary	JJ
39142	2281	38	meridian	meridian	NN
39142	2281	39	must	must	MD
39142	2281	40	be	be	VB
39142	2281	41	selected	select	VBN
39142	2281	42	.	.	.
39142	2282	1	Even	even	RB
39142	2282	2	then	then	RB
39142	2282	3	the	the	DT
39142	2282	4	process	process	NN
39142	2282	5	is	be	VBZ
39142	2282	6	not	not	RB
39142	2282	7	an	an	DT
39142	2282	8	easy	easy	JJ
39142	2282	9	one	one	NN
39142	2282	10	,	,	,
39142	2282	11	and	and	CC
39142	2282	12	it	-PRON-	PRP
39142	2282	13	is	be	VBZ
39142	2282	14	found	find	VBN
39142	2282	15	that	that	IN
39142	2282	16	spots	spot	NNS
39142	2282	17	on	on	IN
39142	2282	18	Jupiter	Jupiter	NNP
39142	2282	19	's	's	POS
39142	2282	20	equator	equator	NN
39142	2282	21	turn	turn	NN
39142	2282	22	round	round	RB
39142	2282	23	in	in	IN
39142	2282	24	9	9	CD
39142	2282	25	hours	hour	NNS
39142	2282	26	50	50	CD
39142	2282	27	minutes	minute	NNS
39142	2282	28	,	,	,
39142	2282	29	while	while	IN
39142	2282	30	other	other	JJ
39142	2282	31	regions	region	NNS
39142	2282	32	take	take	VBP
39142	2282	33	a	a	DT
39142	2282	34	few	few	JJ
39142	2282	35	minutes	minute	NNS
39142	2282	36	longer	long	RBR
39142	2282	37	,	,	,
39142	2282	38	the	the	DT
39142	2282	39	nearer	nearer	NN
39142	2282	40	the	the	DT
39142	2282	41	poles	pole	NNS
39142	2282	42	are	be	VBP
39142	2282	43	approached	approach	VBN
39142	2282	44	.	.	.
39142	2283	1	The	the	DT
39142	2283	2	Great	Great	NNP
39142	2283	3	Red	Red	NNP
39142	2283	4	Spot	Spot	NNP
39142	2283	5	,	,	,
39142	2283	6	about	about	RB
39142	2283	7	30,000	30,000	CD
39142	2283	8	miles	mile	NNS
39142	2283	9	long	long	JJ
39142	2283	10	and	and	CC
39142	2283	11	a	a	DT
39142	2283	12	quarter	quarter	NN
39142	2283	13	as	as	RB
39142	2283	14	much	much	JJ
39142	2283	15	in	in	IN
39142	2283	16	breadth	breadth	NN
39142	2283	17	has	have	VBZ
39142	2283	18	been	be	VBN
39142	2283	19	visible	visible	JJ
39142	2283	20	for	for	IN
39142	2283	21	about	about	IN
39142	2283	22	half	half	PDT
39142	2283	23	a	a	DT
39142	2283	24	century	century	NN
39142	2283	25	.	.	.
39142	2284	1	Bolton	Bolton	NNP
39142	2284	2	,	,	,
39142	2284	3	an	an	DT
39142	2284	4	English	english	JJ
39142	2284	5	observer	observer	NN
39142	2284	6	,	,	,
39142	2284	7	has	have	VBZ
39142	2284	8	made	make	VBN
39142	2284	9	interesting	interesting	JJ
39142	2284	10	studies	study	NNS
39142	2284	11	of	of	IN
39142	2284	12	it	-PRON-	PRP
39142	2284	13	very	very	RB
39142	2284	14	recently	recently	RB
39142	2284	15	.	.	.
39142	2285	1	The	the	DT
39142	2285	2	four	four	CD
39142	2285	3	moons	moon	NNS
39142	2285	4	,	,	,
39142	2285	5	or	or	CC
39142	2285	6	satellites	satellite	NNS
39142	2285	7	,	,	,
39142	2285	8	which	which	WDT
39142	2285	9	a	a	DT
39142	2285	10	small	small	JJ
39142	2285	11	telescope	telescope	NN
39142	2285	12	reveals	reveal	VBZ
39142	2285	13	,	,	,
39142	2285	14	are	be	VBP
39142	2285	15	exceedingly	exceedingly	RB
39142	2285	16	interesting	interesting	JJ
39142	2285	17	on	on	IN
39142	2285	18	many	many	JJ
39142	2285	19	accounts	account	NNS
39142	2285	20	.	.	.
39142	2286	1	They	-PRON-	PRP
39142	2286	2	were	be	VBD
39142	2286	3	the	the	DT
39142	2286	4	first	first	JJ
39142	2286	5	heavenly	heavenly	JJ
39142	2286	6	bodies	body	NNS
39142	2286	7	seen	see	VBN
39142	2286	8	by	by	IN
39142	2286	9	the	the	DT
39142	2286	10	aid	aid	NN
39142	2286	11	of	of	IN
39142	2286	12	the	the	DT
39142	2286	13	telescope	telescope	NN
39142	2286	14	,	,	,
39142	2286	15	Galileo	Galileo	NNP
39142	2286	16	having	have	VBG
39142	2286	17	discovered	discover	VBN
39142	2286	18	them	-PRON-	PRP
39142	2286	19	in	in	IN
39142	2286	20	1610	1610	CD
39142	2286	21	.	.	.
39142	2287	1	They	-PRON-	PRP
39142	2287	2	travel	travel	VBP
39142	2287	3	round	round	IN
39142	2287	4	Jupiter	Jupiter	NNP
39142	2287	5	much	much	RB
39142	2287	6	the	the	DT
39142	2287	7	same	same	JJ
39142	2287	8	as	as	IN
39142	2287	9	the	the	DT
39142	2287	10	moon	moon	NN
39142	2287	11	does	do	VBZ
39142	2287	12	round	round	VB
39142	2287	13	the	the	DT
39142	2287	14	earth	earth	NN
39142	2287	15	,	,	,
39142	2287	16	but	but	CC
39142	2287	17	faster	fast	RBR
39142	2287	18	,	,	,
39142	2287	19	the	the	DT
39142	2287	20	innermost	innermost	JJS
39142	2287	21	moon	moon	NN
39142	2287	22	about	about	IN
39142	2287	23	four	four	CD
39142	2287	24	times	time	NNS
39142	2287	25	per	per	IN
39142	2287	26	week	week	NN
39142	2287	27	,	,	,
39142	2287	28	the	the	DT
39142	2287	29	second	second	JJ
39142	2287	30	moon	moon	NN
39142	2287	31	about	about	IN
39142	2287	32	twice	twice	PDT
39142	2287	33	a	a	DT
39142	2287	34	week	week	NN
39142	2287	35	,	,	,
39142	2287	36	the	the	DT
39142	2287	37	third	third	JJ
39142	2287	38	or	or	CC
39142	2287	39	largest	large	JJS
39142	2287	40	moon	moon	NN
39142	2287	41	(	(	-LRB-
39142	2287	42	larger	large	JJR
39142	2287	43	than	than	IN
39142	2287	44	the	the	DT
39142	2287	45	planet	planet	NN
39142	2287	46	Mercury	Mercury	NNP
39142	2287	47	)	)	-RRB-
39142	2287	48	once	once	RB
39142	2287	49	a	a	DT
39142	2287	50	week	week	NN
39142	2287	51	,	,	,
39142	2287	52	and	and	CC
39142	2287	53	the	the	DT
39142	2287	54	outermost	outermost	NN
39142	2287	55	in	in	IN
39142	2287	56	about	about	RB
39142	2287	57	sixteen	sixteen	CD
39142	2287	58	days	day	NNS
39142	2287	59	.	.	.
39142	2288	1	The	the	DT
39142	2288	2	innermost	innermost	NN
39142	2288	3	is	be	VBZ
39142	2288	4	about	about	RB
39142	2288	5	260,000	260,000	CD
39142	2288	6	miles	mile	NNS
39142	2288	7	from	from	IN
39142	2288	8	Jupiter	Jupiter	NNP
39142	2288	9	,	,	,
39142	2288	10	and	and	CC
39142	2288	11	the	the	DT
39142	2288	12	outermost	outermost	NN
39142	2288	13	more	more	JJR
39142	2288	14	than	than	IN
39142	2288	15	a	a	DT
39142	2288	16	million	million	CD
39142	2288	17	miles	mile	NNS
39142	2288	18	.	.	.
39142	2289	1	From	from	IN
39142	2289	2	their	-PRON-	PRP$
39142	2289	3	nearness	nearness	NN
39142	2289	4	to	to	IN
39142	2289	5	the	the	DT
39142	2289	6	huge	huge	JJ
39142	2289	7	and	and	CC
39142	2289	8	excessively	excessively	RB
39142	2289	9	hot	hot	JJ
39142	2289	10	globe	globe	NN
39142	2289	11	of	of	IN
39142	2289	12	Jupiter	Jupiter	NNP
39142	2289	13	,	,	,
39142	2289	14	some	some	DT
39142	2289	15	astronomers	astronomer	NNS
39142	2289	16	,	,	,
39142	2289	17	Proctor	Proctor	NNP
39142	2289	18	especially	especially	RB
39142	2289	19	,	,	,
39142	2289	20	have	have	VBP
39142	2289	21	inclined	incline	VBN
39142	2289	22	to	to	IN
39142	2289	23	the	the	DT
39142	2289	24	view	view	NN
39142	2289	25	that	that	IN
39142	2289	26	these	these	DT
39142	2289	27	little	little	JJ
39142	2289	28	bodies	body	NNS
39142	2289	29	may	may	MD
39142	2289	30	be	be	VB
39142	2289	31	inhabited	inhabit	VBN
39142	2289	32	.	.	.
39142	2290	1	Jupiter	Jupiter	NNP
39142	2290	2	has	have	VBZ
39142	2290	3	other	other	JJ
39142	2290	4	moons	moon	NNS
39142	2290	5	;	;	:
39142	2290	6	a	a	DT
39142	2290	7	very	very	RB
39142	2290	8	small	small	JJ
39142	2290	9	one	one	NN
39142	2290	10	,	,	,
39142	2290	11	close	close	JJ
39142	2290	12	to	to	IN
39142	2290	13	the	the	DT
39142	2290	14	planet	planet	NN
39142	2290	15	,	,	,
39142	2290	16	which	which	WDT
39142	2290	17	goes	go	VBZ
39142	2290	18	round	round	RB
39142	2290	19	in	in	IN
39142	2290	20	less	less	JJR
39142	2290	21	than	than	IN
39142	2290	22	twelve	twelve	CD
39142	2290	23	hours	hour	NNS
39142	2290	24	,	,	,
39142	2290	25	discovered	discover	VBN
39142	2290	26	by	by	IN
39142	2290	27	Barnard	Barnard	NNP
39142	2290	28	in	in	IN
39142	2290	29	1892	1892	CD
39142	2290	30	.	.	.
39142	2291	1	Four	four	CD
39142	2291	2	others	other	NNS
39142	2291	3	are	be	VBP
39142	2291	4	known	know	VBN
39142	2291	5	,	,	,
39142	2291	6	very	very	RB
39142	2291	7	small	small	JJ
39142	2291	8	and	and	CC
39142	2291	9	faint	faint	JJ
39142	2291	10	and	and	CC
39142	2291	11	remote	remote	JJ
39142	2291	12	from	from	IN
39142	2291	13	the	the	DT
39142	2291	14	planet	planet	NN
39142	2291	15	,	,	,
39142	2291	16	which	which	WDT
39142	2291	17	travel	travel	VBP
39142	2291	18	slowly	slowly	RB
39142	2291	19	round	round	IN
39142	2291	20	it	-PRON-	PRP
39142	2291	21	in	in	IN
39142	2291	22	orbits	orbit	NNS
39142	2291	23	of	of	IN
39142	2291	24	great	great	JJ
39142	2291	25	magnitude	magnitude	NN
39142	2291	26	.	.	.
39142	2292	1	The	the	DT
39142	2292	2	ninth	ninth	JJ
39142	2292	3	,	,	,
39142	2292	4	or	or	CC
39142	2292	5	outermost	outermost	JJ
39142	2292	6	,	,	,
39142	2292	7	is	be	VBZ
39142	2292	8	at	at	IN
39142	2292	9	a	a	DT
39142	2292	10	distance	distance	NN
39142	2292	11	of	of	IN
39142	2292	12	fifteen	fifteen	CD
39142	2292	13	and	and	CC
39142	2292	14	one	one	CD
39142	2292	15	-	-	HYPH
39142	2292	16	half	half	CD
39142	2292	17	million	million	CD
39142	2292	18	miles	mile	NNS
39142	2292	19	from	from	IN
39142	2292	20	Jupiter	Jupiter	NNP
39142	2292	21	,	,	,
39142	2292	22	and	and	CC
39142	2292	23	requires	require	VBZ
39142	2292	24	nearly	nearly	RB
39142	2292	25	three	three	CD
39142	2292	26	years	year	NNS
39142	2292	27	in	in	IN
39142	2292	28	going	go	VBG
39142	2292	29	round	round	IN
39142	2292	30	the	the	DT
39142	2292	31	planet	planet	NN
39142	2292	32	.	.	.
39142	2293	1	It	-PRON-	PRP
39142	2293	2	was	be	VBD
39142	2293	3	discovered	discover	VBN
39142	2293	4	by	by	IN
39142	2293	5	Nicholson	Nicholson	NNP
39142	2293	6	at	at	IN
39142	2293	7	the	the	DT
39142	2293	8	Lick	Lick	NNP
39142	2293	9	Observatory	Observatory	NNP
39142	2293	10	in	in	IN
39142	2293	11	1914	1914	CD
39142	2293	12	.	.	.
39142	2294	1	The	the	DT
39142	2294	2	eighth	eighth	JJ
39142	2294	3	was	be	VBD
39142	2294	4	discovered	discover	VBN
39142	2294	5	by	by	IN
39142	2294	6	Melotte	Melotte	NNP
39142	2294	7	at	at	IN
39142	2294	8	Greenwich	Greenwich	NNP
39142	2294	9	in	in	IN
39142	2294	10	1908	1908	CD
39142	2294	11	,	,	,
39142	2294	12	and	and	CC
39142	2294	13	is	be	VBZ
39142	2294	14	peculiar	peculiar	JJ
39142	2294	15	in	in	IN
39142	2294	16	the	the	DT
39142	2294	17	great	great	JJ
39142	2294	18	angle	angle	NN
39142	2294	19	of	of	IN
39142	2294	20	28	28	CD
39142	2294	21	degrees	degree	NNS
39142	2294	22	,	,	,
39142	2294	23	at	at	IN
39142	2294	24	which	which	WDT
39142	2294	25	its	-PRON-	PRP$
39142	2294	26	orbit	orbit	NN
39142	2294	27	is	be	VBZ
39142	2294	28	inclined	inclined	JJ
39142	2294	29	to	to	IN
39142	2294	30	the	the	DT
39142	2294	31	equator	equator	NN
39142	2294	32	of	of	IN
39142	2294	33	Jupiter	Jupiter	NNP
39142	2294	34	.	.	.
39142	2295	1	The	the	DT
39142	2295	2	sixth	sixth	JJ
39142	2295	3	and	and	CC
39142	2295	4	seventh	seventh	JJ
39142	2295	5	satellites	satellite	NNS
39142	2295	6	revolve	revolve	VBP
39142	2295	7	round	round	IN
39142	2295	8	Jupiter	Jupiter	NNP
39142	2295	9	inside	inside	IN
39142	2295	10	the	the	DT
39142	2295	11	eighth	eighth	JJ
39142	2295	12	satellite	satellite	NN
39142	2295	13	,	,	,
39142	2295	14	but	but	CC
39142	2295	15	outside	outside	IN
39142	2295	16	the	the	DT
39142	2295	17	orbit	orbit	NN
39142	2295	18	of	of	IN
39142	2295	19	IV	IV	NNP
39142	2295	20	;	;	:
39142	2295	21	and	and	CC
39142	2295	22	they	-PRON-	PRP
39142	2295	23	were	be	VBD
39142	2295	24	discovered	discover	VBN
39142	2295	25	by	by	IN
39142	2295	26	photography	photography	NN
39142	2295	27	at	at	IN
39142	2295	28	the	the	DT
39142	2295	29	Lick	Lick	NNP
39142	2295	30	Observatory	Observatory	NNP
39142	2295	31	in	in	IN
39142	2295	32	1905	1905	CD
39142	2295	33	by	by	IN
39142	2295	34	Perrine	Perrine	NNP
39142	2295	35	,	,	,
39142	2295	36	now	now	RB
39142	2295	37	director	director	NN
39142	2295	38	of	of	IN
39142	2295	39	the	the	DT
39142	2295	40	Argentine	Argentine	NNP
39142	2295	41	National	National	NNP
39142	2295	42	Observatory	Observatory	NNP
39142	2295	43	at	at	IN
39142	2295	44	Cordoba	Cordoba	NNP
39142	2295	45	.	.	.
39142	2296	1	The	the	DT
39142	2296	2	ever	ever	RB
39142	2296	3	-	-	HYPH
39142	2296	4	changing	change	VBG
39142	2296	5	positions	position	NNS
39142	2296	6	of	of	IN
39142	2296	7	the	the	DT
39142	2296	8	Medicean	medicean	JJ
39142	2296	9	moons	moon	NNS
39142	2296	10	,	,	,
39142	2296	11	as	as	IN
39142	2296	12	Galileo	Galileo	NNP
39142	2296	13	called	call	VBD
39142	2296	14	the	the	DT
39142	2296	15	four	four	CD
39142	2296	16	satellites	satellite	NNS
39142	2296	17	that	that	WDT
39142	2296	18	he	-PRON-	PRP
39142	2296	19	discovered	discover	VBD
39142	2296	20	--	--	:
39142	2296	21	their	-PRON-	PRP$
39142	2296	22	passing	passing	NN
39142	2296	23	into	into	IN
39142	2296	24	the	the	DT
39142	2296	25	shadow	shadow	NN
39142	2296	26	in	in	IN
39142	2296	27	eclipse	eclipse	NN
39142	2296	28	,	,	,
39142	2296	29	their	-PRON-	PRP$
39142	2296	30	transit	transit	NN
39142	2296	31	in	in	IN
39142	2296	32	front	front	NN
39142	2296	33	of	of	IN
39142	2296	34	the	the	DT
39142	2296	35	disk	disk	NN
39142	2296	36	,	,	,
39142	2296	37	and	and	CC
39142	2296	38	their	-PRON-	PRP$
39142	2296	39	occultation	occultation	NN
39142	2296	40	behind	behind	IN
39142	2296	41	it	-PRON-	PRP
39142	2296	42	--	--	:
39142	2296	43	form	form	VBP
39142	2296	44	a	a	DT
39142	2296	45	succession	succession	NN
39142	2296	46	of	of	IN
39142	2296	47	phenomena	phenomenon	NNS
39142	2296	48	which	which	WDT
39142	2296	49	the	the	DT
39142	2296	50	telescopist	telescopist	NN
39142	2296	51	always	always	RB
39142	2296	52	views	view	VBZ
39142	2296	53	with	with	IN
39142	2296	54	delight	delight	NN
39142	2296	55	.	.	.
39142	2297	1	The	the	DT
39142	2297	2	times	time	NNS
39142	2297	3	when	when	WRB
39142	2297	4	all	all	PDT
39142	2297	5	these	these	DT
39142	2297	6	events	event	NNS
39142	2297	7	take	take	VBP
39142	2297	8	place	place	NN
39142	2297	9	are	be	VBP
39142	2297	10	predicted	predict	VBN
39142	2297	11	in	in	IN
39142	2297	12	the	the	DT
39142	2297	13	"	"	``
39142	2297	14	Nautical	Nautical	NNP
39142	2297	15	Almanac	Almanac	NNP
39142	2297	16	,	,	,
39142	2297	17	"	"	''
39142	2297	18	many	many	JJ
39142	2297	19	thousand	thousand	CD
39142	2297	20	of	of	IN
39142	2297	21	them	-PRON-	PRP
39142	2297	22	each	each	DT
39142	2297	23	year	year	NN
39142	2297	24	,	,	,
39142	2297	25	and	and	CC
39142	2297	26	the	the	DT
39142	2297	27	predictions	prediction	NNS
39142	2297	28	cover	cover	VBP
39142	2297	29	two	two	CD
39142	2297	30	or	or	CC
39142	2297	31	three	three	CD
39142	2297	32	years	year	NNS
39142	2297	33	in	in	IN
39142	2297	34	advance	advance	NN
39142	2297	35	.	.	.
39142	2298	1	Jupiter	Jupiter	NNP
39142	2298	2	,	,	,
39142	2298	3	as	as	IN
39142	2298	4	the	the	DT
39142	2298	5	naked	naked	JJ
39142	2298	6	eye	eye	NN
39142	2298	7	sees	see	VBZ
39142	2298	8	him	-PRON-	PRP
39142	2298	9	high	high	RB
39142	2298	10	up	up	RP
39142	2298	11	in	in	IN
39142	2298	12	the	the	DT
39142	2298	13	midnight	midnight	NN
39142	2298	14	sky	sky	NN
39142	2298	15	,	,	,
39142	2298	16	is	be	VBZ
39142	2298	17	the	the	DT
39142	2298	18	brightest	bright	JJS
39142	2298	19	of	of	IN
39142	2298	20	all	all	PDT
39142	2298	21	the	the	DT
39142	2298	22	planets	planet	NNS
39142	2298	23	except	except	IN
39142	2298	24	Venus	Venus	NNP
39142	2298	25	;	;	:
39142	2298	26	indeed	indeed	RB
39142	2298	27	,	,	,
39142	2298	28	he	-PRON-	PRP
39142	2298	29	is	be	VBZ
39142	2298	30	five	five	CD
39142	2298	31	times	time	NNS
39142	2298	32	brighter	bright	JJR
39142	2298	33	than	than	IN
39142	2298	34	Sirius	Sirius	NNP
39142	2298	35	,	,	,
39142	2298	36	the	the	DT
39142	2298	37	brightest	bright	JJS
39142	2298	38	of	of	IN
39142	2298	39	all	all	PDT
39142	2298	40	the	the	DT
39142	2298	41	fixed	fix	VBN
39142	2298	42	stars	star	NNS
39142	2298	43	.	.	.
39142	2299	1	His	-PRON-	PRP$
39142	2299	2	stately	stately	JJ
39142	2299	3	motion	motion	NN
39142	2299	4	among	among	IN
39142	2299	5	the	the	DT
39142	2299	6	stars	star	NNS
39142	2299	7	will	will	MD
39142	2299	8	usually	usually	RB
39142	2299	9	be	be	VB
39142	2299	10	visible	visible	JJ
39142	2299	11	by	by	IN
39142	2299	12	close	close	JJ
39142	2299	13	observation	observation	NN
39142	2299	14	from	from	IN
39142	2299	15	day	day	NN
39142	2299	16	to	to	IN
39142	2299	17	day	day	NN
39142	2299	18	,	,	,
39142	2299	19	and	and	CC
39142	2299	20	his	-PRON-	PRP$
39142	2299	21	distance	distance	NN
39142	2299	22	from	from	IN
39142	2299	23	the	the	DT
39142	2299	24	earth	earth	NN
39142	2299	25	,	,	,
39142	2299	26	at	at	IN
39142	2299	27	times	time	NNS
39142	2299	28	when	when	WRB
39142	2299	29	he	-PRON-	PRP
39142	2299	30	is	be	VBZ
39142	2299	31	best	well	RBS
39142	2299	32	seen	see	VBN
39142	2299	33	,	,	,
39142	2299	34	is	be	VBZ
39142	2299	35	usually	usually	RB
39142	2299	36	about	about	IN
39142	2299	37	400	400	CD
39142	2299	38	million	million	CD
39142	2299	39	miles	mile	NNS
39142	2299	40	.	.	.
39142	2300	1	Jupiter	Jupiter	NNP
39142	2300	2	travels	travel	VBZ
39142	2300	3	all	all	PDT
39142	2300	4	the	the	DT
39142	2300	5	way	way	NN
39142	2300	6	round	round	IN
39142	2300	7	the	the	DT
39142	2300	8	sun	sun	NN
39142	2300	9	in	in	IN
39142	2300	10	twelve	twelve	CD
39142	2300	11	years	year	NNS
39142	2300	12	;	;	:
39142	2300	13	his	-PRON-	PRP$
39142	2300	14	motion	motion	NN
39142	2300	15	in	in	IN
39142	2300	16	orbit	orbit	NN
39142	2300	17	is	be	VBZ
39142	2300	18	about	about	RB
39142	2300	19	eight	eight	CD
39142	2300	20	miles	mile	NNS
39142	2300	21	a	a	DT
39142	2300	22	second	second	NN
39142	2300	23	.	.	.
39142	2301	1	The	the	DT
39142	2301	2	eclipses	eclipse	NNS
39142	2301	3	of	of	IN
39142	2301	4	Jupiter	Jupiter	NNP
39142	2301	5	's	's	POS
39142	2301	6	moons	moon	NNS
39142	2301	7	,	,	,
39142	2301	8	caused	cause	VBN
39142	2301	9	by	by	IN
39142	2301	10	passing	pass	VBG
39142	2301	11	into	into	IN
39142	2301	12	the	the	DT
39142	2301	13	shadow	shadow	NN
39142	2301	14	of	of	IN
39142	2301	15	the	the	DT
39142	2301	16	planet	planet	NN
39142	2301	17	,	,	,
39142	2301	18	would	would	MD
39142	2301	19	take	take	VB
39142	2301	20	place	place	NN
39142	2301	21	at	at	IN
39142	2301	22	almost	almost	RB
39142	2301	23	perfectly	perfectly	RB
39142	2301	24	regular	regular	JJ
39142	2301	25	intervals	interval	NNS
39142	2301	26	,	,	,
39142	2301	27	if	if	IN
39142	2301	28	our	-PRON-	PRP$
39142	2301	29	distance	distance	NN
39142	2301	30	from	from	IN
39142	2301	31	Jupiter	Jupiter	NNP
39142	2301	32	were	be	VBD
39142	2301	33	invariable	invariable	JJ
39142	2301	34	.	.	.
39142	2302	1	But	but	CC
39142	2302	2	it	-PRON-	PRP
39142	2302	3	was	be	VBD
39142	2302	4	early	early	RB
39142	2302	5	found	find	VBN
39142	2302	6	out	out	RP
39142	2302	7	that	that	IN
39142	2302	8	while	while	IN
39142	2302	9	the	the	DT
39142	2302	10	earth	earth	NN
39142	2302	11	is	be	VBZ
39142	2302	12	approaching	approach	VBG
39142	2302	13	Jupiter	Jupiter	NNP
39142	2302	14	the	the	DT
39142	2302	15	eclipses	eclipse	NNS
39142	2302	16	take	take	VBP
39142	2302	17	place	place	NN
39142	2302	18	earlier	early	RBR
39142	2302	19	and	and	CC
39142	2302	20	earlier	early	RBR
39142	2302	21	,	,	,
39142	2302	22	but	but	CC
39142	2302	23	later	later	RB
39142	2302	24	and	and	CC
39142	2302	25	later	later	RB
39142	2302	26	when	when	WRB
39142	2302	27	the	the	DT
39142	2302	28	earth	earth	NN
39142	2302	29	is	be	VBZ
39142	2302	30	moving	move	VBG
39142	2302	31	away	away	RB
39142	2302	32	.	.	.
39142	2303	1	The	the	DT
39142	2303	2	acceleration	acceleration	NN
39142	2303	3	of	of	IN
39142	2303	4	the	the	DT
39142	2303	5	earliest	early	JJS
39142	2303	6	eclipse	eclipse	NN
39142	2303	7	added	add	VBD
39142	2303	8	to	to	IN
39142	2303	9	the	the	DT
39142	2303	10	retardation	retardation	NN
39142	2303	11	of	of	IN
39142	2303	12	the	the	DT
39142	2303	13	latest	late	JJS
39142	2303	14	makes	make	VBZ
39142	2303	15	1,000	1,000	CD
39142	2303	16	seconds	second	NNS
39142	2303	17	,	,	,
39142	2303	18	which	which	WDT
39142	2303	19	is	be	VBZ
39142	2303	20	the	the	DT
39142	2303	21	time	time	NN
39142	2303	22	that	that	WDT
39142	2303	23	light	light	NN
39142	2303	24	takes	take	VBZ
39142	2303	25	in	in	RP
39142	2303	26	crossing	cross	VBG
39142	2303	27	a	a	DT
39142	2303	28	diameter	diameter	NN
39142	2303	29	of	of	IN
39142	2303	30	the	the	DT
39142	2303	31	earth	earth	NN
39142	2303	32	's	's	POS
39142	2303	33	orbit	orbit	NN
39142	2303	34	round	round	IN
39142	2303	35	the	the	DT
39142	2303	36	sun	sun	NN
39142	2303	37	.	.	.
39142	2304	1	Now	now	RB
39142	2304	2	the	the	DT
39142	2304	3	velocity	velocity	NN
39142	2304	4	of	of	IN
39142	2304	5	light	light	NN
39142	2304	6	is	be	VBZ
39142	2304	7	well	well	RB
39142	2304	8	known	known	JJ
39142	2304	9	to	to	TO
39142	2304	10	be	be	VB
39142	2304	11	186,300	186,300	CD
39142	2304	12	miles	mile	NNS
39142	2304	13	per	per	IN
39142	2304	14	second	second	NN
39142	2304	15	,	,	,
39142	2304	16	so	so	RB
39142	2304	17	we	-PRON-	PRP
39142	2304	18	calculate	calculate	VBP
39142	2304	19	at	at	IN
39142	2304	20	once	once	RB
39142	2304	21	and	and	CC
39142	2304	22	very	very	RB
39142	2304	23	simply	simply	RB
39142	2304	24	that	that	IN
39142	2304	25	the	the	DT
39142	2304	26	sun	sun	NN
39142	2304	27	's	's	POS
39142	2304	28	distance	distance	NN
39142	2304	29	from	from	IN
39142	2304	30	the	the	DT
39142	2304	31	earth	earth	NN
39142	2304	32	,	,	,
39142	2304	33	which	which	WDT
39142	2304	34	is	be	VBZ
39142	2304	35	half	half	PDT
39142	2304	36	the	the	DT
39142	2304	37	diameter	diameter	NN
39142	2304	38	of	of	IN
39142	2304	39	the	the	DT
39142	2304	40	orbit	orbit	NN
39142	2304	41	,	,	,
39142	2304	42	equals	equal	VBZ
39142	2304	43	500	500	CD
39142	2304	44	times	time	NNS
39142	2304	45	186,300	186,300	CD
39142	2304	46	,	,	,
39142	2304	47	or	or	CC
39142	2304	48	93,000,000	93,000,000	CD
39142	2304	49	miles	mile	NNS
39142	2304	50	.	.	.
39142	2305	1	CHAPTER	chapter	NN
39142	2305	2	XXXVII	xxxvii	NN
39142	2305	3	THE	the	DT
39142	2305	4	RINGED	ringed	JJ
39142	2305	5	PLANET	PLANET	NNP
39142	2305	6	Saturn	Saturn	NNP
39142	2305	7	is	be	VBZ
39142	2305	8	the	the	DT
39142	2305	9	most	most	RBS
39142	2305	10	remote	remote	JJ
39142	2305	11	of	of	IN
39142	2305	12	all	all	PDT
39142	2305	13	the	the	DT
39142	2305	14	planets	planet	NNS
39142	2305	15	that	that	WDT
39142	2305	16	the	the	DT
39142	2305	17	ancient	ancient	JJ
39142	2305	18	peoples	people	NNS
39142	2305	19	knew	know	VBD
39142	2305	20	anything	anything	NN
39142	2305	21	about	about	IN
39142	2305	22	.	.	.
39142	2306	1	These	these	DT
39142	2306	2	anciently	anciently	RB
39142	2306	3	known	know	VBN
39142	2306	4	planets	planet	NNS
39142	2306	5	are	be	VBP
39142	2306	6	sometimes	sometimes	RB
39142	2306	7	called	call	VBN
39142	2306	8	the	the	DT
39142	2306	9	lucid	lucid	JJ
39142	2306	10	or	or	CC
39142	2306	11	naked	naked	JJ
39142	2306	12	-	-	HYPH
39142	2306	13	eye	eye	NN
39142	2306	14	planets	planet	NNS
39142	2306	15	--	--	:
39142	2306	16	five	five	CD
39142	2306	17	in	in	IN
39142	2306	18	number	number	NN
39142	2306	19	:	:	:
39142	2306	20	Mercury	Mercury	NNP
39142	2306	21	,	,	,
39142	2306	22	Venus	Venus	NNP
39142	2306	23	,	,	,
39142	2306	24	Mars	Mars	NNP
39142	2306	25	,	,	,
39142	2306	26	Jupiter	Jupiter	NNP
39142	2306	27	,	,	,
39142	2306	28	and	and	CC
39142	2306	29	Saturn	Saturn	NNP
39142	2306	30	.	.	.
39142	2307	1	Saturn	saturn	NN
39142	2307	2	shines	shine	VBZ
39142	2307	3	as	as	IN
39142	2307	4	a	a	DT
39142	2307	5	first	first	JJ
39142	2307	6	-	-	HYPH
39142	2307	7	magnitude	magnitude	NN
39142	2307	8	star	star	NN
39142	2307	9	,	,	,
39142	2307	10	with	with	IN
39142	2307	11	a	a	DT
39142	2307	12	steady	steady	JJ
39142	2307	13	straw	straw	NN
39142	2307	14	-	-	HYPH
39142	2307	15	colored	color	VBN
39142	2307	16	light	light	NN
39142	2307	17	,	,	,
39142	2307	18	and	and	CC
39142	2307	19	is	be	VBZ
39142	2307	20	at	at	IN
39142	2307	21	a	a	DT
39142	2307	22	distance	distance	NN
39142	2307	23	of	of	IN
39142	2307	24	about	about	IN
39142	2307	25	800	800	CD
39142	2307	26	million	million	CD
39142	2307	27	miles	mile	NNS
39142	2307	28	from	from	IN
39142	2307	29	the	the	DT
39142	2307	30	earth	earth	NN
39142	2307	31	when	when	WRB
39142	2307	32	best	best	RB
39142	2307	33	seen	see	VBN
39142	2307	34	.	.	.
39142	2308	1	Saturn	saturn	NN
39142	2308	2	travels	travel	NNS
39142	2308	3	completely	completely	RB
39142	2308	4	round	round	VBP
39142	2308	5	the	the	DT
39142	2308	6	sun	sun	NN
39142	2308	7	in	in	IN
39142	2308	8	a	a	DT
39142	2308	9	little	little	JJ
39142	2308	10	short	short	JJ
39142	2308	11	of	of	IN
39142	2308	12	thirty	thirty	CD
39142	2308	13	years	year	NNS
39142	2308	14	,	,	,
39142	2308	15	and	and	CC
39142	2308	16	the	the	DT
39142	2308	17	telescope	telescope	NN
39142	2308	18	,	,	,
39142	2308	19	when	when	WRB
39142	2308	20	turned	turn	VBN
39142	2308	21	to	to	IN
39142	2308	22	Saturn	Saturn	NNP
39142	2308	23	,	,	,
39142	2308	24	reveals	reveal	VBZ
39142	2308	25	a	a	DT
39142	2308	26	unique	unique	JJ
39142	2308	27	and	and	CC
39142	2308	28	astonishing	astonishing	JJ
39142	2308	29	object	object	NN
39142	2308	30	;	;	:
39142	2308	31	a	a	DT
39142	2308	32	vast	vast	JJ
39142	2308	33	globe	globe	NN
39142	2308	34	somewhat	somewhat	RB
39142	2308	35	similar	similar	JJ
39142	2308	36	to	to	IN
39142	2308	37	Jupiter	Jupiter	NNP
39142	2308	38	,	,	,
39142	2308	39	but	but	CC
39142	2308	40	surrounded	surround	VBN
39142	2308	41	by	by	IN
39142	2308	42	a	a	DT
39142	2308	43	system	system	NN
39142	2308	44	of	of	IN
39142	2308	45	rings	ring	NNS
39142	2308	46	wholly	wholly	RB
39142	2308	47	unlike	unlike	IN
39142	2308	48	anything	anything	NN
39142	2308	49	else	else	RB
39142	2308	50	in	in	IN
39142	2308	51	the	the	DT
39142	2308	52	universe	universe	NN
39142	2308	53	,	,	,
39142	2308	54	as	as	RB
39142	2308	55	far	far	RB
39142	2308	56	as	as	IN
39142	2308	57	at	at	IN
39142	2308	58	present	present	NN
39142	2308	59	known	know	VBN
39142	2308	60	;	;	:
39142	2308	61	the	the	DT
39142	2308	62	whole	whole	NN
39142	2308	63	encircled	encircle	VBN
39142	2308	64	by	by	IN
39142	2308	65	a	a	DT
39142	2308	66	family	family	NN
39142	2308	67	of	of	IN
39142	2308	68	ten	ten	CD
39142	2308	69	moons	moon	NNS
39142	2308	70	or	or	CC
39142	2308	71	satellites	satellite	NNS
39142	2308	72	.	.	.
39142	2309	1	The	the	DT
39142	2309	2	Saturnian	saturnian	JJ
39142	2309	3	system	system	NN
39142	2309	4	,	,	,
39142	2309	5	therefore	therefore	RB
39142	2309	6	,	,	,
39142	2309	7	is	be	VBZ
39142	2309	8	regarded	regard	VBN
39142	2309	9	by	by	IN
39142	2309	10	many	many	JJ
39142	2309	11	as	as	IN
39142	2309	12	the	the	DT
39142	2309	13	most	most	RBS
39142	2309	14	wonderful	wonderful	JJ
39142	2309	15	and	and	CC
39142	2309	16	most	most	RBS
39142	2309	17	interesting	interesting	JJ
39142	2309	18	of	of	IN
39142	2309	19	all	all	PDT
39142	2309	20	the	the	DT
39142	2309	21	objects	object	NNS
39142	2309	22	that	that	WDT
39142	2309	23	the	the	DT
39142	2309	24	telescope	telescope	NN
39142	2309	25	reveals	reveal	VBZ
39142	2309	26	.	.	.
39142	2310	1	At	at	IN
39142	2310	2	first	first	RB
39142	2310	3	the	the	DT
39142	2310	4	flattening	flattening	NN
39142	2310	5	of	of	IN
39142	2310	6	the	the	DT
39142	2310	7	disk	disk	NN
39142	2310	8	of	of	IN
39142	2310	9	Saturn	Saturn	NNP
39142	2310	10	is	be	VBZ
39142	2310	11	not	not	RB
39142	2310	12	easily	easily	RB
39142	2310	13	made	make	VBN
39142	2310	14	out	out	RP
39142	2310	15	,	,	,
39142	2310	16	but	but	CC
39142	2310	17	every	every	DT
39142	2310	18	fifteen	fifteen	CD
39142	2310	19	years	year	NNS
39142	2310	20	(	(	-LRB-
39142	2310	21	as	as	IN
39142	2310	22	1921	1921	CD
39142	2310	23	and	and	CC
39142	2310	24	1936	1936	CD
39142	2310	25	)	)	-RRB-
39142	2310	26	the	the	DT
39142	2310	27	earth	earth	NN
39142	2310	28	comes	come	VBZ
39142	2310	29	into	into	IN
39142	2310	30	a	a	DT
39142	2310	31	position	position	NN
39142	2310	32	where	where	WRB
39142	2310	33	we	-PRON-	PRP
39142	2310	34	look	look	VBP
39142	2310	35	directly	directly	RB
39142	2310	36	at	at	IN
39142	2310	37	the	the	DT
39142	2310	38	thin	thin	JJ
39142	2310	39	edge	edge	NN
39142	2310	40	of	of	IN
39142	2310	41	the	the	DT
39142	2310	42	rings	ring	NNS
39142	2310	43	,	,	,
39142	2310	44	causing	cause	VBG
39142	2310	45	them	-PRON-	PRP
39142	2310	46	to	to	TO
39142	2310	47	completely	completely	RB
39142	2310	48	disappear	disappear	VB
39142	2310	49	.	.	.
39142	2311	1	Then	then	RB
39142	2311	2	the	the	DT
39142	2311	3	remarkable	remarkable	JJ
39142	2311	4	flattening	flattening	NN
39142	2311	5	of	of	IN
39142	2311	6	the	the	DT
39142	2311	7	poles	pole	NNS
39142	2311	8	of	of	IN
39142	2311	9	Saturn	Saturn	NNP
39142	2311	10	is	be	VBZ
39142	2311	11	strikingly	strikingly	RB
39142	2311	12	visible	visible	JJ
39142	2311	13	,	,	,
39142	2311	14	amounting	amount	VBG
39142	2311	15	to	to	IN
39142	2311	16	as	as	RB
39142	2311	17	much	much	JJ
39142	2311	18	as	as	IN
39142	2311	19	one	one	CD
39142	2311	20	-	-	HYPH
39142	2311	21	tenth	tenth	NN
39142	2311	22	of	of	IN
39142	2311	23	the	the	DT
39142	2311	24	entire	entire	JJ
39142	2311	25	diameter	diameter	NN
39142	2311	26	.	.	.
39142	2312	1	The	the	DT
39142	2312	2	atmospheric	atmospheric	JJ
39142	2312	3	belt	belt	NN
39142	2312	4	system	system	NN
39142	2312	5	is	be	VBZ
39142	2312	6	also	also	RB
39142	2312	7	best	well	RBS
39142	2312	8	seen	see	VBN
39142	2312	9	at	at	IN
39142	2312	10	these	these	DT
39142	2312	11	times	time	NNS
39142	2312	12	.	.	.
39142	2313	1	But	but	CC
39142	2313	2	the	the	DT
39142	2313	3	rings	ring	NNS
39142	2313	4	of	of	IN
39142	2313	5	Saturn	Saturn	NNP
39142	2313	6	are	be	VBP
39142	2313	7	easily	easily	RB
39142	2313	8	the	the	DT
39142	2313	9	most	most	RBS
39142	2313	10	fascinating	fascinating	JJ
39142	2313	11	features	feature	NNS
39142	2313	12	of	of	IN
39142	2313	13	the	the	DT
39142	2313	14	system	system	NN
39142	2313	15	.	.	.
39142	2314	1	They	-PRON-	PRP
39142	2314	2	can	can	MD
39142	2314	3	never	never	RB
39142	2314	4	be	be	VB
39142	2314	5	seen	see	VBN
39142	2314	6	as	as	IN
39142	2314	7	if	if	IN
39142	2314	8	we	-PRON-	PRP
39142	2314	9	were	be	VBD
39142	2314	10	directly	directly	RB
39142	2314	11	above	above	IN
39142	2314	12	or	or	CC
39142	2314	13	beneath	beneath	IN
39142	2314	14	the	the	DT
39142	2314	15	planet	planet	NN
39142	2314	16	so	so	IN
39142	2314	17	they	-PRON-	PRP
39142	2314	18	never	never	RB
39142	2314	19	appear	appear	VBP
39142	2314	20	circular	circular	JJ
39142	2314	21	,	,	,
39142	2314	22	as	as	IN
39142	2314	23	they	-PRON-	PRP
39142	2314	24	really	really	RB
39142	2314	25	are	be	VBP
39142	2314	26	in	in	IN
39142	2314	27	space	space	NN
39142	2314	28	,	,	,
39142	2314	29	but	but	CC
39142	2314	30	always	always	RB
39142	2314	31	oval	oval	NN
39142	2314	32	or	or	CC
39142	2314	33	elliptical	elliptical	JJ
39142	2314	34	in	in	IN
39142	2314	35	shape	shape	NN
39142	2314	36	.	.	.
39142	2315	1	The	the	DT
39142	2315	2	minor	minor	JJ
39142	2315	3	axis	axis	NN
39142	2315	4	or	or	CC
39142	2315	5	greatest	great	JJS
39142	2315	6	breadth	breadth	NN
39142	2315	7	is	be	VBZ
39142	2315	8	about	about	RB
39142	2315	9	one	one	CD
39142	2315	10	-	-	HYPH
39142	2315	11	half	half	NN
39142	2315	12	the	the	DT
39142	2315	13	major	major	JJ
39142	2315	14	axis	axi	NNS
39142	2315	15	or	or	CC
39142	2315	16	length	length	NN
39142	2315	17	.	.	.
39142	2316	1	The	the	DT
39142	2316	2	latter	latter	NN
39142	2316	3	is	be	VBZ
39142	2316	4	the	the	DT
39142	2316	5	outer	outer	JJ
39142	2316	6	ring	ring	NN
39142	2316	7	's	's	POS
39142	2316	8	actual	actual	JJ
39142	2316	9	diameter	diameter	NN
39142	2316	10	,	,	,
39142	2316	11	and	and	CC
39142	2316	12	it	-PRON-	PRP
39142	2316	13	amounts	amount	VBZ
39142	2316	14	to	to	IN
39142	2316	15	170,000	170,000	CD
39142	2316	16	miles	mile	NNS
39142	2316	17	,	,	,
39142	2316	18	or	or	CC
39142	2316	19	two	two	CD
39142	2316	20	and	and	CC
39142	2316	21	one	one	CD
39142	2316	22	-	-	HYPH
39142	2316	23	half	half	NN
39142	2316	24	times	time	NNS
39142	2316	25	the	the	DT
39142	2316	26	diameter	diameter	NN
39142	2316	27	of	of	IN
39142	2316	28	Saturn	Saturn	NNP
39142	2316	29	's	's	POS
39142	2316	30	globe	globe	NN
39142	2316	31	.	.	.
39142	2317	1	There	there	EX
39142	2317	2	are	be	VBP
39142	2317	3	in	in	IN
39142	2317	4	fact	fact	NN
39142	2317	5	no	no	RB
39142	2317	6	less	less	JJR
39142	2317	7	than	than	IN
39142	2317	8	four	four	CD
39142	2317	9	rings	ring	NNS
39142	2317	10	;	;	:
39142	2317	11	an	an	DT
39142	2317	12	outer	outer	JJ
39142	2317	13	ring	ring	NN
39142	2317	14	,	,	,
39142	2317	15	sometimes	sometimes	RB
39142	2317	16	seen	see	VBN
39142	2317	17	to	to	TO
39142	2317	18	be	be	VB
39142	2317	19	divided	divide	VBN
39142	2317	20	near	near	IN
39142	2317	21	its	-PRON-	PRP$
39142	2317	22	middle	middle	NN
39142	2317	23	;	;	:
39142	2317	24	an	an	DT
39142	2317	25	inner	inner	JJ
39142	2317	26	,	,	,
39142	2317	27	broader	broad	JJR
39142	2317	28	and	and	CC
39142	2317	29	brighter	bright	JJR
39142	2317	30	ring	ring	NN
39142	2317	31	;	;	:
39142	2317	32	and	and	CC
39142	2317	33	an	an	DT
39142	2317	34	innermost	innermost	NN
39142	2317	35	dusky	dusky	JJ
39142	2317	36	,	,	,
39142	2317	37	or	or	CC
39142	2317	38	crape	crape	NN
39142	2317	39	ring	ring	NN
39142	2317	40	,	,	,
39142	2317	41	as	as	IN
39142	2317	42	it	-PRON-	PRP
39142	2317	43	is	be	VBZ
39142	2317	44	often	often	RB
39142	2317	45	called	call	VBN
39142	2317	46	.	.	.
39142	2318	1	This	this	DT
39142	2318	2	comes	come	VBZ
39142	2318	3	within	within	IN
39142	2318	4	about	about	RB
39142	2318	5	10,000	10,000	CD
39142	2318	6	miles	mile	NNS
39142	2318	7	of	of	IN
39142	2318	8	the	the	DT
39142	2318	9	planet	planet	NN
39142	2318	10	itself	-PRON-	PRP
39142	2318	11	.	.	.
39142	2319	1	After	after	IN
39142	2319	2	the	the	DT
39142	2319	3	form	form	NN
39142	2319	4	and	and	CC
39142	2319	5	size	size	NN
39142	2319	6	of	of	IN
39142	2319	7	the	the	DT
39142	2319	8	rings	ring	NNS
39142	2319	9	were	be	VBD
39142	2319	10	well	well	RB
39142	2319	11	made	make	VBN
39142	2319	12	out	out	RP
39142	2319	13	,	,	,
39142	2319	14	their	-PRON-	PRP$
39142	2319	15	thickness	thickness	NN
39142	2319	16	,	,	,
39142	2319	17	or	or	CC
39142	2319	18	rather	rather	RB
39142	2319	19	lack	lack	NN
39142	2319	20	of	of	IN
39142	2319	21	thickness	thickness	NN
39142	2319	22	,	,	,
39142	2319	23	was	be	VBD
39142	2319	24	a	a	DT
39142	2319	25	great	great	JJ
39142	2319	26	puzzle	puzzle	NN
39142	2319	27	.	.	.
39142	2320	1	If	if	IN
39142	2320	2	a	a	DT
39142	2320	3	model	model	NN
39142	2320	4	about	about	IN
39142	2320	5	a	a	DT
39142	2320	6	foot	foot	NN
39142	2320	7	in	in	IN
39142	2320	8	diameter	diameter	NN
39142	2320	9	were	be	VBD
39142	2320	10	cut	cut	VBN
39142	2320	11	out	out	IN
39142	2320	12	of	of	IN
39142	2320	13	tissue	tissue	NN
39142	2320	14	paper	paper	NN
39142	2320	15	,	,	,
39142	2320	16	the	the	DT
39142	2320	17	relative	relative	JJ
39142	2320	18	proportion	proportion	NN
39142	2320	19	of	of	IN
39142	2320	20	size	size	NN
39142	2320	21	and	and	CC
39142	2320	22	thickness	thickness	NN
39142	2320	23	would	would	MD
39142	2320	24	be	be	VB
39142	2320	25	about	about	RB
39142	2320	26	right	right	JJ
39142	2320	27	.	.	.
39142	2321	1	In	in	IN
39142	2321	2	space	space	NN
39142	2321	3	the	the	DT
39142	2321	4	thickness	thickness	NN
39142	2321	5	is	be	VBZ
39142	2321	6	very	very	RB
39142	2321	7	nearly	nearly	RB
39142	2321	8	100	100	CD
39142	2321	9	miles	mile	NNS
39142	2321	10	,	,	,
39142	2321	11	so	so	IN
39142	2321	12	that	that	IN
39142	2321	13	,	,	,
39142	2321	14	when	when	WRB
39142	2321	15	we	-PRON-	PRP
39142	2321	16	look	look	VBP
39142	2321	17	at	at	IN
39142	2321	18	the	the	DT
39142	2321	19	ring	ring	NN
39142	2321	20	system	system	NN
39142	2321	21	edge	edge	NN
39142	2321	22	-	-	HYPH
39142	2321	23	on	on	NN
39142	2321	24	,	,	,
39142	2321	25	it	-PRON-	PRP
39142	2321	26	becomes	become	VBZ
39142	2321	27	all	all	DT
39142	2321	28	but	but	CC
39142	2321	29	invisible	invisible	JJ
39142	2321	30	except	except	IN
39142	2321	31	in	in	IN
39142	2321	32	very	very	RB
39142	2321	33	large	large	JJ
39142	2321	34	telescopes	telescope	NNS
39142	2321	35	.	.	.
39142	2322	1	Clearly	clearly	RB
39142	2322	2	a	a	DT
39142	2322	3	ring	ring	NN
39142	2322	4	so	so	RB
39142	2322	5	thin	thin	JJ
39142	2322	6	can	can	MD
39142	2322	7	not	not	RB
39142	2322	8	be	be	VB
39142	2322	9	a	a	DT
39142	2322	10	continuous	continuous	JJ
39142	2322	11	solid	solid	JJ
39142	2322	12	object	object	NN
39142	2322	13	and	and	CC
39142	2322	14	recent	recent	JJ
39142	2322	15	observations	observation	NNS
39142	2322	16	have	have	VBP
39142	2322	17	proved	prove	VBN
39142	2322	18	beyond	beyond	IN
39142	2322	19	a	a	DT
39142	2322	20	doubt	doubt	NN
39142	2322	21	that	that	IN
39142	2322	22	Saturn	Saturn	NNP
39142	2322	23	's	's	POS
39142	2322	24	rings	ring	NNS
39142	2322	25	are	be	VBP
39142	2322	26	made	make	VBN
39142	2322	27	up	up	RP
39142	2322	28	of	of	IN
39142	2322	29	millions	million	NNS
39142	2322	30	of	of	IN
39142	2322	31	separate	separate	JJ
39142	2322	32	particles	particle	NNS
39142	2322	33	moving	move	VBG
39142	2322	34	round	round	IN
39142	2322	35	the	the	DT
39142	2322	36	planet	planet	NN
39142	2322	37	,	,	,
39142	2322	38	each	each	DT
39142	2322	39	as	as	IN
39142	2322	40	if	if	IN
39142	2322	41	it	-PRON-	PRP
39142	2322	42	were	be	VBD
39142	2322	43	an	an	DT
39142	2322	44	individual	individual	JJ
39142	2322	45	satellite	satellite	NN
39142	2322	46	.	.	.
39142	2323	1	Ever	ever	RB
39142	2323	2	since	since	IN
39142	2323	3	1857	1857	CD
39142	2323	4	the	the	DT
39142	2323	5	true	true	JJ
39142	2323	6	theory	theory	NN
39142	2323	7	of	of	IN
39142	2323	8	the	the	DT
39142	2323	9	constitution	constitution	NN
39142	2323	10	of	of	IN
39142	2323	11	the	the	DT
39142	2323	12	Saturnian	saturnian	JJ
39142	2323	13	ring	ring	NN
39142	2323	14	has	have	VBZ
39142	2323	15	been	be	VBN
39142	2323	16	recognized	recognize	VBN
39142	2323	17	on	on	IN
39142	2323	18	theoretic	theoretic	JJ
39142	2323	19	grounds	ground	NNS
39142	2323	20	,	,	,
39142	2323	21	because	because	IN
39142	2323	22	Clerke	Clerke	NNP
39142	2323	23	-	-	HYPH
39142	2323	24	Maxwell	Maxwell	NNP
39142	2323	25	founded	found	VBD
39142	2323	26	the	the	DT
39142	2323	27	dynamical	dynamical	JJ
39142	2323	28	demonstration	demonstration	NN
39142	2323	29	that	that	WDT
39142	2323	30	the	the	DT
39142	2323	31	rings	ring	NNS
39142	2323	32	could	could	MD
39142	2323	33	be	be	VB
39142	2323	34	neither	neither	CC
39142	2323	35	fluid	fluid	JJ
39142	2323	36	nor	nor	CC
39142	2323	37	solid	solid	JJ
39142	2323	38	,	,	,
39142	2323	39	so	so	IN
39142	2323	40	that	that	IN
39142	2323	41	they	-PRON-	PRP
39142	2323	42	must	must	MD
39142	2323	43	be	be	VB
39142	2323	44	made	make	VBN
39142	2323	45	up	up	RP
39142	2323	46	of	of	IN
39142	2323	47	a	a	DT
39142	2323	48	vast	vast	JJ
39142	2323	49	multitude	multitude	NN
39142	2323	50	of	of	IN
39142	2323	51	particles	particle	NNS
39142	2323	52	traveling	travel	VBG
39142	2323	53	round	round	IN
39142	2323	54	the	the	DT
39142	2323	55	planet	planet	NN
39142	2323	56	independently	independently	RB
39142	2323	57	.	.	.
39142	2324	1	But	but	CC
39142	2324	2	the	the	DT
39142	2324	3	physical	physical	JJ
39142	2324	4	demonstration	demonstration	NN
39142	2324	5	that	that	WDT
39142	2324	6	absolutely	absolutely	RB
39142	2324	7	verified	verify	VBD
39142	2324	8	this	this	DT
39142	2324	9	conclusion	conclusion	NN
39142	2324	10	did	do	VBD
39142	2324	11	not	not	RB
39142	2324	12	come	come	VB
39142	2324	13	until	until	IN
39142	2324	14	1895	1895	CD
39142	2324	15	,	,	,
39142	2324	16	when	when	WRB
39142	2324	17	,	,	,
39142	2324	18	as	as	IN
39142	2324	19	we	-PRON-	PRP
39142	2324	20	have	have	VBP
39142	2324	21	said	say	VBD
39142	2324	22	in	in	IN
39142	2324	23	a	a	DT
39142	2324	24	preceding	precede	VBG
39142	2324	25	chapter	chapter	NN
39142	2324	26	,	,	,
39142	2324	27	Keeler	Keeler	NNP
39142	2324	28	,	,	,
39142	2324	29	by	by	IN
39142	2324	30	radial	radial	JJ
39142	2324	31	velocity	velocity	NN
39142	2324	32	measures	measure	NNS
39142	2324	33	on	on	IN
39142	2324	34	different	different	JJ
39142	2324	35	regions	region	NNS
39142	2324	36	of	of	IN
39142	2324	37	the	the	DT
39142	2324	38	ring	ring	NN
39142	2324	39	by	by	IN
39142	2324	40	means	mean	NNS
39142	2324	41	of	of	IN
39142	2324	42	the	the	DT
39142	2324	43	spectroscope	spectroscope	NN
39142	2324	44	,	,	,
39142	2324	45	proved	prove	VBD
39142	2324	46	that	that	IN
39142	2324	47	the	the	DT
39142	2324	48	inner	inner	JJ
39142	2324	49	parts	part	NNS
39142	2324	50	of	of	IN
39142	2324	51	the	the	DT
39142	2324	52	ring	ring	NN
39142	2324	53	travel	travel	NN
39142	2324	54	more	more	RBR
39142	2324	55	swiftly	swiftly	RB
39142	2324	56	round	round	IN
39142	2324	57	the	the	DT
39142	2324	58	planet	planet	NN
39142	2324	59	than	than	IN
39142	2324	60	the	the	DT
39142	2324	61	outer	outer	JJ
39142	2324	62	regions	region	NNS
39142	2324	63	do	do	VBP
39142	2324	64	.	.	.
39142	2325	1	And	and	CC
39142	2325	2	he	-PRON-	PRP
39142	2325	3	further	further	RB
39142	2325	4	showed	show	VBD
39142	2325	5	that	that	IN
39142	2325	6	the	the	DT
39142	2325	7	rates	rate	NNS
39142	2325	8	of	of	IN
39142	2325	9	revolution	revolution	NN
39142	2325	10	in	in	IN
39142	2325	11	different	different	JJ
39142	2325	12	parts	part	NNS
39142	2325	13	of	of	IN
39142	2325	14	the	the	DT
39142	2325	15	ring	ring	NN
39142	2325	16	exactly	exactly	RB
39142	2325	17	correspond	correspond	VBP
39142	2325	18	to	to	IN
39142	2325	19	the	the	DT
39142	2325	20	periods	period	NNS
39142	2325	21	of	of	IN
39142	2325	22	revolution	revolution	NN
39142	2325	23	which	which	WDT
39142	2325	24	satellites	satellite	NNS
39142	2325	25	of	of	IN
39142	2325	26	Saturn	Saturn	NNP
39142	2325	27	would	would	MD
39142	2325	28	have	have	VB
39142	2325	29	,	,	,
39142	2325	30	if	if	IN
39142	2325	31	at	at	IN
39142	2325	32	the	the	DT
39142	2325	33	same	same	JJ
39142	2325	34	distance	distance	NN
39142	2325	35	from	from	IN
39142	2325	36	the	the	DT
39142	2325	37	center	center	NN
39142	2325	38	of	of	IN
39142	2325	39	the	the	DT
39142	2325	40	planet	planet	NN
39142	2325	41	.	.	.
39142	2326	1	The	the	DT
39142	2326	2	innermost	innermost	JJS
39142	2326	3	particles	particle	NNS
39142	2326	4	of	of	IN
39142	2326	5	the	the	DT
39142	2326	6	dusky	dusky	JJ
39142	2326	7	ring	ring	NN
39142	2326	8	,	,	,
39142	2326	9	for	for	IN
39142	2326	10	example	example	NN
39142	2326	11	,	,	,
39142	2326	12	travel	travel	NN
39142	2326	13	round	round	IN
39142	2326	14	Saturn	Saturn	NNP
39142	2326	15	in	in	IN
39142	2326	16	about	about	RB
39142	2326	17	five	five	CD
39142	2326	18	hours	hour	NNS
39142	2326	19	,	,	,
39142	2326	20	while	while	IN
39142	2326	21	the	the	DT
39142	2326	22	outermost	outermost	JJ
39142	2326	23	particles	particle	NNS
39142	2326	24	of	of	IN
39142	2326	25	the	the	DT
39142	2326	26	outer	outer	JJ
39142	2326	27	bright	bright	JJ
39142	2326	28	ring	ring	NN
39142	2326	29	take	take	VBP
39142	2326	30	137	137	CD
39142	2326	31	hours	hour	NNS
39142	2326	32	to	to	TO
39142	2326	33	make	make	VB
39142	2326	34	their	-PRON-	PRP$
39142	2326	35	revolution	revolution	NN
39142	2326	36	.	.	.
39142	2327	1	For	for	IN
39142	2327	2	many	many	JJ
39142	2327	3	years	year	NNS
39142	2327	4	it	-PRON-	PRP
39142	2327	5	was	be	VBD
39142	2327	6	thought	think	VBN
39142	2327	7	that	that	IN
39142	2327	8	the	the	DT
39142	2327	9	Saturnian	saturnian	JJ
39142	2327	10	ring	ring	NN
39142	2327	11	system	system	NN
39142	2327	12	was	be	VBD
39142	2327	13	a	a	DT
39142	2327	14	new	new	JJ
39142	2327	15	satellite	satellite	NN
39142	2327	16	in	in	IN
39142	2327	17	process	process	NN
39142	2327	18	of	of	IN
39142	2327	19	formation	formation	NN
39142	2327	20	,	,	,
39142	2327	21	but	but	CC
39142	2327	22	this	this	DT
39142	2327	23	view	view	NN
39142	2327	24	is	be	VBZ
39142	2327	25	no	no	RB
39142	2327	26	longer	long	RBR
39142	2327	27	entertained	entertain	VBN
39142	2327	28	;	;	:
39142	2327	29	and	and	CC
39142	2327	30	the	the	DT
39142	2327	31	system	system	NN
39142	2327	32	is	be	VBZ
39142	2327	33	regarded	regard	VBN
39142	2327	34	as	as	IN
39142	2327	35	a	a	DT
39142	2327	36	permanent	permanent	JJ
39142	2327	37	feature	feature	NN
39142	2327	38	of	of	IN
39142	2327	39	the	the	DT
39142	2327	40	planet	planet	NN
39142	2327	41	,	,	,
39142	2327	42	although	although	IN
39142	2327	43	astronomers	astronomer	NNS
39142	2327	44	are	be	VBP
39142	2327	45	not	not	RB
39142	2327	46	in	in	IN
39142	2327	47	entire	entire	JJ
39142	2327	48	agreement	agreement	NN
39142	2327	49	as	as	IN
39142	2327	50	to	to	IN
39142	2327	51	the	the	DT
39142	2327	52	evolutionary	evolutionary	JJ
39142	2327	53	process	process	NN
39142	2327	54	by	by	IN
39142	2327	55	which	which	WDT
39142	2327	56	it	-PRON-	PRP
39142	2327	57	came	come	VBD
39142	2327	58	into	into	IN
39142	2327	59	existence	existence	NN
39142	2327	60	--	--	:
39142	2327	61	whether	whether	IN
39142	2327	62	by	by	IN
39142	2327	63	some	some	DT
39142	2327	64	cosmic	cosmic	JJ
39142	2327	65	cataclysm	cataclysm	NNS
39142	2327	66	,	,	,
39142	2327	67	or	or	CC
39142	2327	68	by	by	IN
39142	2327	69	gradual	gradual	JJ
39142	2327	70	development	development	NN
39142	2327	71	throughout	throughout	IN
39142	2327	72	indefinite	indefinite	JJ
39142	2327	73	aeons	aeon	NNS
39142	2327	74	,	,	,
39142	2327	75	as	as	IN
39142	2327	76	the	the	DT
39142	2327	77	rest	rest	NN
39142	2327	78	of	of	IN
39142	2327	79	the	the	DT
39142	2327	80	solar	solar	JJ
39142	2327	81	system	system	NN
39142	2327	82	is	be	VBZ
39142	2327	83	thought	think	VBN
39142	2327	84	to	to	TO
39142	2327	85	have	have	VB
39142	2327	86	come	come	VBN
39142	2327	87	to	to	IN
39142	2327	88	its	-PRON-	PRP$
39142	2327	89	present	present	JJ
39142	2327	90	state	state	NN
39142	2327	91	of	of	IN
39142	2327	92	existence	existence	NN
39142	2327	93	.	.	.
39142	2328	1	Possibly	possibly	RB
39142	2328	2	the	the	DT
39142	2328	3	planetesimal	planetesimal	NN
39142	2328	4	hypothesis	hypothesis	NN
39142	2328	5	of	of	IN
39142	2328	6	Chamberlin	Chamberlin	NNP
39142	2328	7	and	and	CC
39142	2328	8	Moulton	Moulton	NNP
39142	2328	9	affords	afford	VBZ
39142	2328	10	the	the	DT
39142	2328	11	true	true	JJ
39142	2328	12	explanation	explanation	NN
39142	2328	13	,	,	,
39142	2328	14	as	as	IN
39142	2328	15	the	the	DT
39142	2328	16	result	result	NN
39142	2328	17	of	of	IN
39142	2328	18	a	a	DT
39142	2328	19	rupture	rupture	NN
39142	2328	20	due	due	JJ
39142	2328	21	to	to	IN
39142	2328	22	excessive	excessive	JJ
39142	2328	23	tidal	tidal	JJ
39142	2328	24	strain	strain	NN
39142	2328	25	.	.	.
39142	2329	1	CHAPTER	chapter	NN
39142	2329	2	XXXVIII	XXXVIII	VBD
39142	2329	3	THE	the	DT
39142	2329	4	FARTHEST	farthest	NN
39142	2329	5	PLANETS	planets	NN
39142	2329	6	On	on	IN
39142	2329	7	the	the	DT
39142	2329	8	13th	13th	NN
39142	2329	9	of	of	IN
39142	2329	10	March	March	NNP
39142	2329	11	,	,	,
39142	2329	12	1781	1781	CD
39142	2329	13	,	,	,
39142	2329	14	between	between	IN
39142	2329	15	10	10	CD
39142	2329	16	and	and	CC
39142	2329	17	11	11	CD
39142	2329	18	P.	P.	NNP
39142	2329	19	M.	M.	NNP
39142	2329	20	,	,	,
39142	2329	21	as	as	IN
39142	2329	22	Sir	Sir	NNP
39142	2329	23	William	William	NNP
39142	2329	24	Herschel	Herschel	NNP
39142	2329	25	was	be	VBD
39142	2329	26	sweeping	sweep	VBG
39142	2329	27	the	the	DT
39142	2329	28	constellation	constellation	NN
39142	2329	29	Gemini	Gemini	NNP
39142	2329	30	with	with	IN
39142	2329	31	one	one	CD
39142	2329	32	of	of	IN
39142	2329	33	his	-PRON-	PRP$
39142	2329	34	great	great	JJ
39142	2329	35	reflecting	reflect	VBG
39142	2329	36	telescopes	telescope	NNS
39142	2329	37	,	,	,
39142	2329	38	one	one	CD
39142	2329	39	star	star	NN
39142	2329	40	among	among	IN
39142	2329	41	all	all	DT
39142	2329	42	that	that	WDT
39142	2329	43	passed	pass	VBD
39142	2329	44	through	through	IN
39142	2329	45	the	the	DT
39142	2329	46	field	field	NN
39142	2329	47	of	of	IN
39142	2329	48	view	view	NN
39142	2329	49	attracted	attract	VBD
39142	2329	50	his	-PRON-	PRP$
39142	2329	51	attention	attention	NN
39142	2329	52	.	.	.
39142	2330	1	Removing	remove	VBG
39142	2330	2	the	the	DT
39142	2330	3	eyepiece	eyepiece	NN
39142	2330	4	and	and	CC
39142	2330	5	applying	apply	VBG
39142	2330	6	another	another	DT
39142	2330	7	with	with	IN
39142	2330	8	a	a	DT
39142	2330	9	higher	high	JJR
39142	2330	10	magnifying	magnifying	NN
39142	2330	11	power	power	NN
39142	2330	12	,	,	,
39142	2330	13	he	-PRON-	PRP
39142	2330	14	found	find	VBD
39142	2330	15	that	that	IN
39142	2330	16	,	,	,
39142	2330	17	unlike	unlike	IN
39142	2330	18	all	all	PDT
39142	2330	19	the	the	DT
39142	2330	20	other	other	JJ
39142	2330	21	stars	star	NNS
39142	2330	22	,	,	,
39142	2330	23	this	this	DT
39142	2330	24	one	one	NN
39142	2330	25	had	have	VBD
39142	2330	26	a	a	DT
39142	2330	27	small	small	JJ
39142	2330	28	disk	disk	NN
39142	2330	29	and	and	CC
39142	2330	30	was	be	VBD
39142	2330	31	not	not	RB
39142	2330	32	a	a	DT
39142	2330	33	mere	mere	JJ
39142	2330	34	point	point	NN
39142	2330	35	of	of	IN
39142	2330	36	light	light	NN
39142	2330	37	,	,	,
39142	2330	38	as	as	IN
39142	2330	39	all	all	PDT
39142	2330	40	the	the	DT
39142	2330	41	fixed	fix	VBN
39142	2330	42	stars	star	NNS
39142	2330	43	seem	seem	VBP
39142	2330	44	to	to	TO
39142	2330	45	be	be	VB
39142	2330	46	.	.	.
39142	2331	1	A	a	DT
39142	2331	2	few	few	JJ
39142	2331	3	nights	night	NNS
39142	2331	4	'	'	POS
39142	2331	5	observation	observation	NN
39142	2331	6	showed	show	VBD
39142	2331	7	that	that	IN
39142	2331	8	the	the	DT
39142	2331	9	stranger	stranger	NN
39142	2331	10	was	be	VBD
39142	2331	11	moving	move	VBG
39142	2331	12	among	among	IN
39142	2331	13	the	the	DT
39142	2331	14	stars	star	NNS
39142	2331	15	,	,	,
39142	2331	16	so	so	RB
39142	2331	17	he	-PRON-	PRP
39142	2331	18	thought	think	VBD
39142	2331	19	it	-PRON-	PRP
39142	2331	20	must	must	MD
39142	2331	21	be	be	VB
39142	2331	22	a	a	DT
39142	2331	23	comet	comet	NN
39142	2331	24	;	;	:
39142	2331	25	but	but	CC
39142	2331	26	a	a	DT
39142	2331	27	week	week	NN
39142	2331	28	's	's	POS
39142	2331	29	observation	observation	NN
39142	2331	30	following	follow	VBG
39142	2331	31	showed	show	VBD
39142	2331	32	that	that	IN
39142	2331	33	he	-PRON-	PRP
39142	2331	34	had	have	VBD
39142	2331	35	discovered	discover	VBN
39142	2331	36	a	a	DT
39142	2331	37	new	new	JJ
39142	2331	38	member	member	NN
39142	2331	39	of	of	IN
39142	2331	40	the	the	DT
39142	2331	41	planetary	planetary	NN
39142	2331	42	system	system	NN
39142	2331	43	,	,	,
39142	2331	44	far	far	RB
39142	2331	45	out	out	RB
39142	2331	46	beyond	beyond	IN
39142	2331	47	Saturn	Saturn	NNP
39142	2331	48	,	,	,
39142	2331	49	which	which	WDT
39142	2331	50	from	from	IN
39142	2331	51	time	time	NN
39142	2331	52	immemorial	immemorial	NNP
39142	2331	53	had	have	VBD
39142	2331	54	been	be	VBN
39142	2331	55	assumed	assume	VBN
39142	2331	56	to	to	TO
39142	2331	57	be	be	VB
39142	2331	58	the	the	DT
39142	2331	59	outermost	outermost	JJ
39142	2331	60	planet	planet	NN
39142	2331	61	of	of	IN
39142	2331	62	all	all	DT
39142	2331	63	.	.	.
39142	2332	1	This	this	DT
39142	2332	2	,	,	,
39142	2332	3	then	then	RB
39142	2332	4	,	,	,
39142	2332	5	was	be	VBD
39142	2332	6	the	the	DT
39142	2332	7	first	first	JJ
39142	2332	8	real	real	JJ
39142	2332	9	discovery	discovery	NN
39142	2332	10	of	of	IN
39142	2332	11	a	a	DT
39142	2332	12	planet	planet	NN
39142	2332	13	,	,	,
39142	2332	14	as	as	IN
39142	2332	15	the	the	DT
39142	2332	16	finding	finding	NN
39142	2332	17	of	of	IN
39142	2332	18	the	the	DT
39142	2332	19	satellites	satellite	NNS
39142	2332	20	of	of	IN
39142	2332	21	Jupiter	Jupiter	NNP
39142	2332	22	had	have	VBD
39142	2332	23	been	be	VBN
39142	2332	24	the	the	DT
39142	2332	25	first	first	JJ
39142	2332	26	of	of	IN
39142	2332	27	all	all	DT
39142	2332	28	astronomical	astronomical	JJ
39142	2332	29	discoveries	discovery	NNS
39142	2332	30	.	.	.
39142	2333	1	Herschel	Herschel	NNP
39142	2333	2	's	's	POS
39142	2333	3	discovery	discovery	NN
39142	2333	4	occasioned	occasion	VBD
39142	2333	5	great	great	JJ
39142	2333	6	excitement	excitement	NN
39142	2333	7	,	,	,
39142	2333	8	and	and	CC
39142	2333	9	he	-PRON-	PRP
39142	2333	10	named	name	VBD
39142	2333	11	the	the	DT
39142	2333	12	new	new	JJ
39142	2333	13	planet	planet	NN
39142	2333	14	Georgium	Georgium	NNP
39142	2333	15	Sidus	Sidus	NNP
39142	2333	16	or	or	CC
39142	2333	17	the	the	DT
39142	2333	18	Georgian	Georgian	NNP
39142	2333	19	,	,	,
39142	2333	20	after	after	IN
39142	2333	21	his	-PRON-	PRP$
39142	2333	22	King	king	NN
39142	2333	23	.	.	.
39142	2334	1	The	the	DT
39142	2334	2	King	King	NNP
39142	2334	3	created	create	VBD
39142	2334	4	him	-PRON-	PRP
39142	2334	5	a	a	DT
39142	2334	6	knight	knight	NN
39142	2334	7	and	and	CC
39142	2334	8	gave	give	VBD
39142	2334	9	him	-PRON-	PRP
39142	2334	10	a	a	DT
39142	2334	11	pension	pension	NN
39142	2334	12	,	,	,
39142	2334	13	besides	besides	IN
39142	2334	14	providing	provide	VBG
39142	2334	15	the	the	DT
39142	2334	16	means	mean	NNS
39142	2334	17	for	for	IN
39142	2334	18	building	build	VBG
39142	2334	19	a	a	DT
39142	2334	20	huge	huge	JJ
39142	2334	21	telescope	telescope	NN
39142	2334	22	,	,	,
39142	2334	23	40	40	CD
39142	2334	24	feet	foot	NNS
39142	2334	25	long	long	JJ
39142	2334	26	,	,	,
39142	2334	27	with	with	IN
39142	2334	28	which	which	WDT
39142	2334	29	he	-PRON-	PRP
39142	2334	30	subsequently	subsequently	RB
39142	2334	31	made	make	VBD
39142	2334	32	many	many	JJ
39142	2334	33	other	other	JJ
39142	2334	34	astronomical	astronomical	JJ
39142	2334	35	discoveries	discovery	NNS
39142	2334	36	.	.	.
39142	2335	1	The	the	DT
39142	2335	2	planet	planet	NN
39142	2335	3	that	that	WDT
39142	2335	4	Herschel	Herschel	NNP
39142	2335	5	discovered	discover	VBD
39142	2335	6	is	be	VBZ
39142	2335	7	now	now	RB
39142	2335	8	called	call	VBN
39142	2335	9	Uranus	Uranus	NNP
39142	2335	10	.	.	.
39142	2336	1	Uranus	uranus	NN
39142	2336	2	is	be	VBZ
39142	2336	3	an	an	DT
39142	2336	4	object	object	NN
39142	2336	5	not	not	RB
39142	2336	6	wholly	wholly	RB
39142	2336	7	impossible	impossible	JJ
39142	2336	8	to	to	TO
39142	2336	9	see	see	VB
39142	2336	10	with	with	IN
39142	2336	11	the	the	DT
39142	2336	12	naked	naked	JJ
39142	2336	13	eye	eye	NN
39142	2336	14	,	,	,
39142	2336	15	if	if	IN
39142	2336	16	the	the	DT
39142	2336	17	sky	sky	NN
39142	2336	18	background	background	NN
39142	2336	19	is	be	VBZ
39142	2336	20	clear	clear	JJ
39142	2336	21	and	and	CC
39142	2336	22	black	black	JJ
39142	2336	23	,	,	,
39142	2336	24	and	and	CC
39142	2336	25	one	one	NN
39142	2336	26	knows	know	VBZ
39142	2336	27	exactly	exactly	RB
39142	2336	28	where	where	WRB
39142	2336	29	to	to	TO
39142	2336	30	look	look	VB
39142	2336	31	for	for	IN
39142	2336	32	it	-PRON-	PRP
39142	2336	33	.	.	.
39142	2337	1	Its	-PRON-	PRP$
39142	2337	2	brightness	brightness	NN
39142	2337	3	is	be	VBZ
39142	2337	4	about	about	IN
39142	2337	5	that	that	DT
39142	2337	6	of	of	IN
39142	2337	7	a	a	DT
39142	2337	8	sixth	sixth	JJ
39142	2337	9	magnitude	magnitude	NN
39142	2337	10	star	star	NN
39142	2337	11	or	or	CC
39142	2337	12	a	a	DT
39142	2337	13	little	little	JJ
39142	2337	14	fainter	fainter	NN
39142	2337	15	.	.	.
39142	2338	1	Its	-PRON-	PRP$
39142	2338	2	average	average	JJ
39142	2338	3	distance	distance	NN
39142	2338	4	from	from	IN
39142	2338	5	the	the	DT
39142	2338	6	sun	sun	NN
39142	2338	7	is	be	VBZ
39142	2338	8	about	about	RB
39142	2338	9	1,800	1,800	CD
39142	2338	10	million	million	CD
39142	2338	11	miles	mile	NNS
39142	2338	12	and	and	CC
39142	2338	13	it	-PRON-	PRP
39142	2338	14	takes	take	VBZ
39142	2338	15	eighty	eighty	CD
39142	2338	16	-	-	HYPH
39142	2338	17	four	four	CD
39142	2338	18	years	year	NNS
39142	2338	19	to	to	TO
39142	2338	20	complete	complete	VB
39142	2338	21	its	-PRON-	PRP$
39142	2338	22	journey	journey	NN
39142	2338	23	round	round	IN
39142	2338	24	the	the	DT
39142	2338	25	sun	sun	NN
39142	2338	26	,	,	,
39142	2338	27	traveling	travel	VBG
39142	2338	28	only	only	RB
39142	2338	29	a	a	DT
39142	2338	30	little	little	JJ
39142	2338	31	more	more	JJR
39142	2338	32	than	than	IN
39142	2338	33	four	four	CD
39142	2338	34	miles	mile	NNS
39142	2338	35	a	a	DT
39142	2338	36	second	second	NN
39142	2338	37	.	.	.
39142	2339	1	When	when	WRB
39142	2339	2	we	-PRON-	PRP
39142	2339	3	examine	examine	VBP
39142	2339	4	Uranus	uranus	NN
39142	2339	5	closely	closely	RB
39142	2339	6	with	with	IN
39142	2339	7	a	a	DT
39142	2339	8	large	large	JJ
39142	2339	9	telescope	telescope	NN
39142	2339	10	,	,	,
39142	2339	11	we	-PRON-	PRP
39142	2339	12	find	find	VBP
39142	2339	13	a	a	DT
39142	2339	14	small	small	JJ
39142	2339	15	disk	disk	NN
39142	2339	16	slightly	slightly	RB
39142	2339	17	greenish	greenish	JJ
39142	2339	18	in	in	IN
39142	2339	19	tint	tint	NN
39142	2339	20	,	,	,
39142	2339	21	very	very	RB
39142	2339	22	slightly	slightly	RB
39142	2339	23	flattened	flattened	JJ
39142	2339	24	,	,	,
39142	2339	25	and	and	CC
39142	2339	26	at	at	IN
39142	2339	27	times	time	NNS
39142	2339	28	faint	faint	JJ
39142	2339	29	bands	band	NNS
39142	2339	30	or	or	CC
39142	2339	31	belts	belt	NNS
39142	2339	32	are	be	VBP
39142	2339	33	apparently	apparently	RB
39142	2339	34	seen	see	VBN
39142	2339	35	.	.	.
39142	2340	1	Uranus	uranus	NN
39142	2340	2	is	be	VBZ
39142	2340	3	about	about	RB
39142	2340	4	30,000	30,000	CD
39142	2340	5	miles	mile	NNS
39142	2340	6	in	in	IN
39142	2340	7	diameter	diameter	NN
39142	2340	8	,	,	,
39142	2340	9	and	and	CC
39142	2340	10	is	be	VBZ
39142	2340	11	probably	probably	RB
39142	2340	12	surrounded	surround	VBN
39142	2340	13	by	by	IN
39142	2340	14	a	a	DT
39142	2340	15	dense	dense	JJ
39142	2340	16	atmosphere	atmosphere	NN
39142	2340	17	.	.	.
39142	2341	1	Its	-PRON-	PRP$
39142	2341	2	rotation	rotation	NN
39142	2341	3	time	time	NN
39142	2341	4	is	be	VBZ
39142	2341	5	10	10	CD
39142	2341	6	h.	h.	NN
39142	2341	7	50	50	CD
39142	2341	8	m.	m.	NN
39142	2341	9	Uranus	Uranus	NNP
39142	2341	10	is	be	VBZ
39142	2341	11	attended	attend	VBN
39142	2341	12	by	by	IN
39142	2341	13	four	four	CD
39142	2341	14	moons	moon	NNS
39142	2341	15	or	or	CC
39142	2341	16	satellites	satellite	NNS
39142	2341	17	,	,	,
39142	2341	18	named	name	VBN
39142	2341	19	Ariel	Ariel	NNP
39142	2341	20	,	,	,
39142	2341	21	Umbriel	Umbriel	NNP
39142	2341	22	,	,	,
39142	2341	23	Titania	Titania	NNP
39142	2341	24	,	,	,
39142	2341	25	and	and	CC
39142	2341	26	Oberon	Oberon	NNP
39142	2341	27	,	,	,
39142	2341	28	the	the	DT
39142	2341	29	last	last	JJ
39142	2341	30	being	be	VBG
39142	2341	31	the	the	DT
39142	2341	32	most	most	RBS
39142	2341	33	remote	remote	JJ
39142	2341	34	from	from	IN
39142	2341	35	the	the	DT
39142	2341	36	planet	planet	NN
39142	2341	37	.	.	.
39142	2342	1	This	this	DT
39142	2342	2	system	system	NN
39142	2342	3	of	of	IN
39142	2342	4	satellites	satellite	NNS
39142	2342	5	has	have	VBZ
39142	2342	6	a	a	DT
39142	2342	7	remarkable	remarkable	JJ
39142	2342	8	peculiarity	peculiarity	NN
39142	2342	9	:	:	:
39142	2342	10	the	the	DT
39142	2342	11	plane	plane	NN
39142	2342	12	of	of	IN
39142	2342	13	the	the	DT
39142	2342	14	orbits	orbit	NNS
39142	2342	15	in	in	IN
39142	2342	16	which	which	WDT
39142	2342	17	they	-PRON-	PRP
39142	2342	18	travel	travel	VBP
39142	2342	19	round	round	IN
39142	2342	20	Uranus	Uranus	NNP
39142	2342	21	is	be	VBZ
39142	2342	22	inclined	incline	VBN
39142	2342	23	about	about	IN
39142	2342	24	80	80	CD
39142	2342	25	degrees	degree	NNS
39142	2342	26	to	to	IN
39142	2342	27	the	the	DT
39142	2342	28	plane	plane	NN
39142	2342	29	of	of	IN
39142	2342	30	the	the	DT
39142	2342	31	ecliptic	ecliptic	NN
39142	2342	32	,	,	,
39142	2342	33	so	so	IN
39142	2342	34	that	that	IN
39142	2342	35	the	the	DT
39142	2342	36	satellites	satellite	NNS
39142	2342	37	travel	travel	VBP
39142	2342	38	backward	backward	RB
39142	2342	39	,	,	,
39142	2342	40	or	or	CC
39142	2342	41	in	in	IN
39142	2342	42	a	a	DT
39142	2342	43	retrograde	retrograde	NN
39142	2342	44	direction	direction	NN
39142	2342	45	;	;	:
39142	2342	46	or	or	CC
39142	2342	47	we	-PRON-	PRP
39142	2342	48	might	may	MD
39142	2342	49	regard	regard	VB
39142	2342	50	their	-PRON-	PRP$
39142	2342	51	motion	motion	NN
39142	2342	52	as	as	RB
39142	2342	53	forward	forward	RB
39142	2342	54	,	,	,
39142	2342	55	or	or	CC
39142	2342	56	direct	direct	JJ
39142	2342	57	,	,	,
39142	2342	58	if	if	IN
39142	2342	59	we	-PRON-	PRP
39142	2342	60	considered	consider	VBD
39142	2342	61	the	the	DT
39142	2342	62	planes	plane	NNS
39142	2342	63	of	of	IN
39142	2342	64	their	-PRON-	PRP$
39142	2342	65	orbits	orbit	NNS
39142	2342	66	inclined	incline	VBN
39142	2342	67	at	at	IN
39142	2342	68	100	100	CD
39142	2342	69	degrees	degree	NNS
39142	2342	70	.	.	.
39142	2343	1	For	for	IN
39142	2343	2	many	many	JJ
39142	2343	3	years	year	NNS
39142	2343	4	after	after	IN
39142	2343	5	the	the	DT
39142	2343	6	discovery	discovery	NN
39142	2343	7	of	of	IN
39142	2343	8	Uranus	Uranus	NNP
39142	2343	9	it	-PRON-	PRP
39142	2343	10	was	be	VBD
39142	2343	11	thought	think	VBN
39142	2343	12	that	that	IN
39142	2343	13	all	all	PDT
39142	2343	14	the	the	DT
39142	2343	15	great	great	JJ
39142	2343	16	bodies	body	NNS
39142	2343	17	of	of	IN
39142	2343	18	the	the	DT
39142	2343	19	solar	solar	JJ
39142	2343	20	system	system	NN
39142	2343	21	had	have	VBD
39142	2343	22	surely	surely	RB
39142	2343	23	been	be	VBN
39142	2343	24	found	find	VBN
39142	2343	25	.	.	.
39142	2344	1	Least	Least	JJS
39142	2344	2	of	of	IN
39142	2344	3	all	all	DT
39142	2344	4	was	be	VBD
39142	2344	5	any	any	DT
39142	2344	6	planet	planet	NN
39142	2344	7	suspected	suspect	VBN
39142	2344	8	beyond	beyond	IN
39142	2344	9	Uranus	uranus	NN
39142	2344	10	until	until	IN
39142	2344	11	the	the	DT
39142	2344	12	mathematical	mathematical	JJ
39142	2344	13	tables	table	NNS
39142	2344	14	of	of	IN
39142	2344	15	the	the	DT
39142	2344	16	motion	motion	NN
39142	2344	17	of	of	IN
39142	2344	18	Uranus	Uranus	NNP
39142	2344	19	,	,	,
39142	2344	20	although	although	IN
39142	2344	21	built	build	VBN
39142	2344	22	up	up	RP
39142	2344	23	and	and	CC
39142	2344	24	revised	revise	VBN
39142	2344	25	with	with	IN
39142	2344	26	the	the	DT
39142	2344	27	greatest	great	JJS
39142	2344	28	care	care	NN
39142	2344	29	and	and	CC
39142	2344	30	thoroughness	thoroughness	NN
39142	2344	31	,	,	,
39142	2344	32	began	begin	VBD
39142	2344	33	to	to	TO
39142	2344	34	show	show	VB
39142	2344	35	that	that	IN
39142	2344	36	some	some	DT
39142	2344	37	outside	outside	JJ
39142	2344	38	influence	influence	NN
39142	2344	39	was	be	VBD
39142	2344	40	disturbing	disturb	VBG
39142	2344	41	it	-PRON-	PRP
39142	2344	42	in	in	IN
39142	2344	43	accordance	accordance	NN
39142	2344	44	with	with	IN
39142	2344	45	Newton	Newton	NNP
39142	2344	46	's	's	POS
39142	2344	47	law	law	NN
39142	2344	48	of	of	IN
39142	2344	49	gravitation	gravitation	NN
39142	2344	50	.	.	.
39142	2345	1	The	the	DT
39142	2345	2	attraction	attraction	NN
39142	2345	3	of	of	IN
39142	2345	4	a	a	DT
39142	2345	5	still	still	RB
39142	2345	6	more	more	RBR
39142	2345	7	distant	distant	JJ
39142	2345	8	planet	planet	NN
39142	2345	9	would	would	MD
39142	2345	10	account	account	VB
39142	2345	11	for	for	IN
39142	2345	12	the	the	DT
39142	2345	13	disturbance	disturbance	NN
39142	2345	14	,	,	,
39142	2345	15	and	and	CC
39142	2345	16	since	since	IN
39142	2345	17	no	no	DT
39142	2345	18	such	such	JJ
39142	2345	19	planet	planet	NN
39142	2345	20	was	be	VBD
39142	2345	21	visible	visible	JJ
39142	2345	22	anywhere	anywhere	RB
39142	2345	23	a	a	DT
39142	2345	24	mathematical	mathematical	JJ
39142	2345	25	search	search	NN
39142	2345	26	for	for	IN
39142	2345	27	it	-PRON-	PRP
39142	2345	28	was	be	VBD
39142	2345	29	begun	begin	VBN
39142	2345	30	.	.	.
39142	2346	1	NEPTUNE	NEPTUNE	NNP
39142	2346	2	Wholly	wholly	RB
39142	2346	3	independently	independently	RB
39142	2346	4	of	of	IN
39142	2346	5	each	each	DT
39142	2346	6	other	other	JJ
39142	2346	7	,	,	,
39142	2346	8	two	two	CD
39142	2346	9	young	young	JJ
39142	2346	10	astronomers	astronomer	NNS
39142	2346	11	,	,	,
39142	2346	12	Adams	Adams	NNP
39142	2346	13	of	of	IN
39142	2346	14	England	England	NNP
39142	2346	15	and	and	CC
39142	2346	16	Le	Le	NNP
39142	2346	17	Verrier	Verrier	NNP
39142	2346	18	of	of	IN
39142	2346	19	France	France	NNP
39142	2346	20	,	,	,
39142	2346	21	undertook	undertake	VBD
39142	2346	22	to	to	TO
39142	2346	23	solve	solve	VB
39142	2346	24	the	the	DT
39142	2346	25	unique	unique	JJ
39142	2346	26	problem	problem	NN
39142	2346	27	of	of	IN
39142	2346	28	finding	find	VBG
39142	2346	29	out	out	RP
39142	2346	30	the	the	DT
39142	2346	31	position	position	NN
39142	2346	32	in	in	IN
39142	2346	33	the	the	DT
39142	2346	34	sky	sky	NN
39142	2346	35	where	where	WRB
39142	2346	36	a	a	DT
39142	2346	37	planet	planet	NN
39142	2346	38	might	may	MD
39142	2346	39	be	be	VB
39142	2346	40	found	find	VBN
39142	2346	41	that	that	WDT
39142	2346	42	would	would	MD
39142	2346	43	exactly	exactly	RB
39142	2346	44	account	account	VB
39142	2346	45	for	for	IN
39142	2346	46	the	the	DT
39142	2346	47	irregular	irregular	JJ
39142	2346	48	motion	motion	NN
39142	2346	49	of	of	IN
39142	2346	50	Uranus	Uranus	NNP
39142	2346	51	.	.	.
39142	2347	1	Both	both	DT
39142	2347	2	reached	reach	VBD
39142	2347	3	practically	practically	RB
39142	2347	4	identical	identical	JJ
39142	2347	5	results	result	NNS
39142	2347	6	.	.	.
39142	2348	1	Adams	Adams	NNP
39142	2348	2	was	be	VBD
39142	2348	3	first	first	RB
39142	2348	4	in	in	IN
39142	2348	5	point	point	NN
39142	2348	6	of	of	IN
39142	2348	7	time	time	NN
39142	2348	8	,	,	,
39142	2348	9	and	and	CC
39142	2348	10	his	-PRON-	PRP$
39142	2348	11	announcement	announcement	NN
39142	2348	12	led	lead	VBD
39142	2348	13	to	to	IN
39142	2348	14	the	the	DT
39142	2348	15	earliest	early	JJS
39142	2348	16	observation	observation	NN
39142	2348	17	,	,	,
39142	2348	18	without	without	IN
39142	2348	19	recognition	recognition	NN
39142	2348	20	of	of	IN
39142	2348	21	the	the	DT
39142	2348	22	new	new	JJ
39142	2348	23	planet	planet	NN
39142	2348	24	(	(	-LRB-
39142	2348	25	July	July	NNP
39142	2348	26	30	30	CD
39142	2348	27	,	,	,
39142	2348	28	1846	1846	CD
39142	2348	29	)	)	-RRB-
39142	2348	30	,	,	,
39142	2348	31	although	although	IN
39142	2348	32	it	-PRON-	PRP
39142	2348	33	was	be	VBD
39142	2348	34	Le	Le	NNP
39142	2348	35	Verrier	Verrier	NNP
39142	2348	36	's	's	POS
39142	2348	37	work	work	NN
39142	2348	38	that	that	WDT
39142	2348	39	led	lead	VBD
39142	2348	40	directly	directly	RB
39142	2348	41	to	to	IN
39142	2348	42	the	the	DT
39142	2348	43	new	new	JJ
39142	2348	44	planet	planet	NN
39142	2348	45	's	's	POS
39142	2348	46	being	be	VBG
39142	2348	47	first	first	RB
39142	2348	48	seen	see	VBN
39142	2348	49	and	and	CC
39142	2348	50	recognized	recognize	VBN
39142	2348	51	as	as	IN
39142	2348	52	such	such	JJ
39142	2348	53	(	(	-LRB-
39142	2348	54	September	September	NNP
39142	2348	55	23	23	CD
39142	2348	56	,	,	,
39142	2348	57	1846	1846	CD
39142	2348	58	)	)	-RRB-
39142	2348	59	.	.	.
39142	2349	1	Figuring	figure	VBG
39142	2349	2	backward	backward	RB
39142	2349	3	,	,	,
39142	2349	4	it	-PRON-	PRP
39142	2349	5	was	be	VBD
39142	2349	6	found	find	VBN
39142	2349	7	that	that	IN
39142	2349	8	the	the	DT
39142	2349	9	planet	planet	NN
39142	2349	10	had	have	VBD
39142	2349	11	been	be	VBN
39142	2349	12	accidentally	accidentally	RB
39142	2349	13	observed	observe	VBN
39142	2349	14	in	in	IN
39142	2349	15	Paris	Paris	NNP
39142	2349	16	in	in	IN
39142	2349	17	1795	1795	CD
39142	2349	18	,	,	,
39142	2349	19	but	but	CC
39142	2349	20	its	-PRON-	PRP$
39142	2349	21	planetary	planetary	NN
39142	2349	22	character	character	NN
39142	2349	23	had	have	VBD
39142	2349	24	been	be	VBN
39142	2349	25	overlooked	overlook	VBN
39142	2349	26	.	.	.
39142	2350	1	Neptune	Neptune	NNP
39142	2350	2	is	be	VBZ
39142	2350	3	the	the	DT
39142	2350	4	name	name	NN
39142	2350	5	finally	finally	RB
39142	2350	6	assigned	assign	VBN
39142	2350	7	to	to	IN
39142	2350	8	this	this	DT
39142	2350	9	historical	historical	JJ
39142	2350	10	planet	planet	NN
39142	2350	11	.	.	.
39142	2351	1	It	-PRON-	PRP
39142	2351	2	is	be	VBZ
39142	2351	3	thirty	thirty	CD
39142	2351	4	times	time	NNS
39142	2351	5	farther	farther	RB
39142	2351	6	from	from	IN
39142	2351	7	the	the	DT
39142	2351	8	sun	sun	NN
39142	2351	9	than	than	IN
39142	2351	10	the	the	DT
39142	2351	11	earth	earth	NN
39142	2351	12	,	,	,
39142	2351	13	or	or	CC
39142	2351	14	2,800	2,800	CD
39142	2351	15	million	million	CD
39142	2351	16	miles	mile	NNS
39142	2351	17	;	;	:
39142	2351	18	its	-PRON-	PRP$
39142	2351	19	velocity	velocity	NN
39142	2351	20	in	in	IN
39142	2351	21	orbit	orbit	NN
39142	2351	22	is	be	VBZ
39142	2351	23	a	a	DT
39142	2351	24	little	little	JJ
39142	2351	25	over	over	IN
39142	2351	26	three	three	CD
39142	2351	27	miles	mile	NNS
39142	2351	28	per	per	IN
39142	2351	29	second	second	NN
39142	2351	30	,	,	,
39142	2351	31	and	and	CC
39142	2351	32	it	-PRON-	PRP
39142	2351	33	consumes	consume	VBZ
39142	2351	34	164	164	CD
39142	2351	35	years	year	NNS
39142	2351	36	in	in	IN
39142	2351	37	going	go	VBG
39142	2351	38	once	once	RB
39142	2351	39	completely	completely	RB
39142	2351	40	round	round	VBP
39142	2351	41	the	the	DT
39142	2351	42	sun	sun	NN
39142	2351	43	.	.	.
39142	2352	1	So	so	RB
39142	2352	2	faint	faint	JJ
39142	2352	3	is	be	VBZ
39142	2352	4	it	-PRON-	PRP
39142	2352	5	that	that	IN
39142	2352	6	a	a	DT
39142	2352	7	telescope	telescope	NN
39142	2352	8	of	of	IN
39142	2352	9	large	large	JJ
39142	2352	10	size	size	NN
39142	2352	11	is	be	VBZ
39142	2352	12	necessary	necessary	JJ
39142	2352	13	to	to	TO
39142	2352	14	show	show	VB
39142	2352	15	it	-PRON-	PRP
39142	2352	16	plainly	plainly	RB
39142	2352	17	.	.	.
39142	2353	1	The	the	DT
39142	2353	2	brightness	brightness	NN
39142	2353	3	equals	equal	VBZ
39142	2353	4	that	that	DT
39142	2353	5	of	of	IN
39142	2353	6	a	a	DT
39142	2353	7	star	star	NN
39142	2353	8	of	of	IN
39142	2353	9	the	the	DT
39142	2353	10	eighth	eighth	JJ
39142	2353	11	magnitude	magnitude	NN
39142	2353	12	,	,	,
39142	2353	13	and	and	CC
39142	2353	14	with	with	IN
39142	2353	15	a	a	DT
39142	2353	16	telescope	telescope	NN
39142	2353	17	of	of	IN
39142	2353	18	sufficient	sufficient	JJ
39142	2353	19	magnifying	magnifying	NN
39142	2353	20	power	power	NN
39142	2353	21	,	,	,
39142	2353	22	the	the	DT
39142	2353	23	tiny	tiny	JJ
39142	2353	24	disk	disk	NN
39142	2353	25	can	can	MD
39142	2353	26	be	be	VB
39142	2353	27	seen	see	VBN
39142	2353	28	and	and	CC
39142	2353	29	measured	measure	VBN
39142	2353	30	.	.	.
39142	2354	1	The	the	DT
39142	2354	2	planet	planet	NN
39142	2354	3	is	be	VBZ
39142	2354	4	about	about	RB
39142	2354	5	30,000	30,000	CD
39142	2354	6	miles	mile	NNS
39142	2354	7	in	in	IN
39142	2354	8	diameter	diameter	NN
39142	2354	9	,	,	,
39142	2354	10	and	and	CC
39142	2354	11	is	be	VBZ
39142	2354	12	not	not	RB
39142	2354	13	known	know	VBN
39142	2354	14	to	to	TO
39142	2354	15	possess	possess	VB
39142	2354	16	more	more	JJR
39142	2354	17	than	than	IN
39142	2354	18	one	one	CD
39142	2354	19	moon	moon	NN
39142	2354	20	or	or	CC
39142	2354	21	satellite	satellite	NN
39142	2354	22	.	.	.
39142	2355	1	If	if	IN
39142	2355	2	there	there	EX
39142	2355	3	are	be	VBP
39142	2355	4	others	other	NNS
39142	2355	5	,	,	,
39142	2355	6	they	-PRON-	PRP
39142	2355	7	are	be	VBP
39142	2355	8	probably	probably	RB
39142	2355	9	too	too	RB
39142	2355	10	faint	faint	JJ
39142	2355	11	to	to	TO
39142	2355	12	be	be	VB
39142	2355	13	seen	see	VBN
39142	2355	14	by	by	IN
39142	2355	15	any	any	DT
39142	2355	16	telescope	telescope	NN
39142	2355	17	at	at	IN
39142	2355	18	present	present	NN
39142	2355	19	in	in	IN
39142	2355	20	existence	existence	NN
39142	2355	21	.	.	.
39142	2356	1	CHAPTER	chapter	NN
39142	2356	2	XXXIX	xxxix	VBP
39142	2356	3	THE	the	DT
39142	2356	4	TRANS	trans	NN
39142	2356	5	-	-	HYPH
39142	2356	6	NEPTUNIAN	NEPTUNIAN	NNP
39142	2356	7	PLANET	PLANET	NNP
39142	2356	8	Investigation	Investigation	NNP
39142	2356	9	of	of	IN
39142	2356	10	the	the	DT
39142	2356	11	question	question	NN
39142	2356	12	of	of	IN
39142	2356	13	a	a	DT
39142	2356	14	possible	possible	JJ
39142	2356	15	trans	trans	JJ
39142	2356	16	-	-	JJ
39142	2356	17	Neptunian	neptunian	JJ
39142	2356	18	planet	planet	NN
39142	2356	19	was	be	VBD
39142	2356	20	undertaken	undertake	VBN
39142	2356	21	by	by	IN
39142	2356	22	the	the	DT
39142	2356	23	writer	writer	NN
39142	2356	24	in	in	IN
39142	2356	25	1877	1877	CD
39142	2356	26	.	.	.
39142	2357	1	As	as	IN
39142	2357	2	Neptune	Neptune	NNP
39142	2357	3	requires	require	VBZ
39142	2357	4	164	164	CD
39142	2357	5	years	year	NNS
39142	2357	6	to	to	TO
39142	2357	7	travel	travel	VB
39142	2357	8	completely	completely	RB
39142	2357	9	round	round	IN
39142	2357	10	the	the	DT
39142	2357	11	sun	sun	NN
39142	2357	12	,	,	,
39142	2357	13	and	and	CC
39142	2357	14	the	the	DT
39142	2357	15	period	period	NN
39142	2357	16	during	during	IN
39142	2357	17	which	which	WDT
39142	2357	18	it	-PRON-	PRP
39142	2357	19	has	have	VBZ
39142	2357	20	been	be	VBN
39142	2357	21	carefully	carefully	RB
39142	2357	22	observed	observe	VBN
39142	2357	23	embraces	embrace	NNS
39142	2357	24	only	only	RB
39142	2357	25	half	half	PDT
39142	2357	26	that	that	DT
39142	2357	27	interval	interval	NN
39142	2357	28	,	,	,
39142	2357	29	clearly	clearly	RB
39142	2357	30	its	-PRON-	PRP$
39142	2357	31	orbit	orbit	NN
39142	2357	32	can	can	MD
39142	2357	33	not	not	RB
39142	2357	34	be	be	VB
39142	2357	35	regarded	regard	VBN
39142	2357	36	as	as	IN
39142	2357	37	very	very	RB
39142	2357	38	well	well	RB
39142	2357	39	known	known	JJ
39142	2357	40	.	.	.
39142	2358	1	Any	any	DT
39142	2358	2	possible	possible	JJ
39142	2358	3	deviations	deviation	NNS
39142	2358	4	from	from	IN
39142	2358	5	the	the	DT
39142	2358	6	mathematical	mathematical	JJ
39142	2358	7	orbit	orbit	NN
39142	2358	8	could	could	MD
39142	2358	9	not	not	RB
39142	2358	10	therefore	therefore	RB
39142	2358	11	be	be	VB
39142	2358	12	traced	trace	VBN
39142	2358	13	to	to	IN
39142	2358	14	the	the	DT
39142	2358	15	action	action	NN
39142	2358	16	of	of	IN
39142	2358	17	a	a	DT
39142	2358	18	possible	possible	JJ
39142	2358	19	unknown	unknown	JJ
39142	2358	20	planet	planet	NN
39142	2358	21	outside	outside	RB
39142	2358	22	.	.	.
39142	2359	1	But	but	CC
39142	2359	2	the	the	DT
39142	2359	3	case	case	NN
39142	2359	4	was	be	VBD
39142	2359	5	different	different	JJ
39142	2359	6	with	with	IN
39142	2359	7	Uranus	Uranus	NNP
39142	2359	8	,	,	,
39142	2359	9	which	which	WDT
39142	2359	10	showed	show	VBD
39142	2359	11	very	very	RB
39142	2359	12	slight	slight	JJ
39142	2359	13	disturbances	disturbance	NNS
39142	2359	14	,	,	,
39142	2359	15	and	and	CC
39142	2359	16	these	these	DT
39142	2359	17	were	be	VBD
39142	2359	18	assumed	assume	VBN
39142	2359	19	to	to	TO
39142	2359	20	be	be	VB
39142	2359	21	due	due	JJ
39142	2359	22	to	to	IN
39142	2359	23	a	a	DT
39142	2359	24	possible	possible	JJ
39142	2359	25	planet	planet	NN
39142	2359	26	exterior	exterior	JJ
39142	2359	27	to	to	IN
39142	2359	28	both	both	CC
39142	2359	29	Uranus	Uranus	NNP
39142	2359	30	and	and	CC
39142	2359	31	Neptune	Neptune	NNP
39142	2359	32	.	.	.
39142	2360	1	As	as	IN
39142	2360	2	a	a	DT
39142	2360	3	position	position	NN
39142	2360	4	for	for	IN
39142	2360	5	this	this	DT
39142	2360	6	body	body	NN
39142	2360	7	in	in	IN
39142	2360	8	the	the	DT
39142	2360	9	heavens	heavens	NNPS
39142	2360	10	was	be	VBD
39142	2360	11	indicated	indicate	VBN
39142	2360	12	by	by	IN
39142	2360	13	the	the	DT
39142	2360	14	writer	writer	NN
39142	2360	15	's	's	POS
39142	2360	16	investigation	investigation	NN
39142	2360	17	,	,	,
39142	2360	18	that	that	DT
39142	2360	19	region	region	NN
39142	2360	20	of	of	IN
39142	2360	21	the	the	DT
39142	2360	22	sky	sky	NN
39142	2360	23	was	be	VBD
39142	2360	24	searched	search	VBN
39142	2360	25	by	by	IN
39142	2360	26	him	-PRON-	PRP
39142	2360	27	with	with	IN
39142	2360	28	great	great	JJ
39142	2360	29	care	care	NN
39142	2360	30	in	in	IN
39142	2360	31	1877	1877	CD
39142	2360	32	-	-	SYM
39142	2360	33	1878	1878	CD
39142	2360	34	with	with	IN
39142	2360	35	the	the	DT
39142	2360	36	twenty	twenty	CD
39142	2360	37	-	-	HYPH
39142	2360	38	six	six	CD
39142	2360	39	-	-	HYPH
39142	2360	40	inch	inch	NN
39142	2360	41	telescope	telescope	NN
39142	2360	42	at	at	IN
39142	2360	43	Washington	Washington	NNP
39142	2360	44	;	;	:
39142	2360	45	and	and	CC
39142	2360	46	photographs	photograph	NNS
39142	2360	47	of	of	IN
39142	2360	48	the	the	DT
39142	2360	49	same	same	JJ
39142	2360	50	region	region	NN
39142	2360	51	were	be	VBD
39142	2360	52	afterward	afterward	RB
39142	2360	53	taken	take	VBN
39142	2360	54	by	by	IN
39142	2360	55	others	other	NNS
39142	2360	56	,	,	,
39142	2360	57	though	though	IN
39142	2360	58	only	only	RB
39142	2360	59	with	with	IN
39142	2360	60	negative	negative	JJ
39142	2360	61	results	result	NNS
39142	2360	62	.	.	.
39142	2361	1	In	in	IN
39142	2361	2	1880	1880	CD
39142	2361	3	,	,	,
39142	2361	4	Forbes	Forbes	NNP
39142	2361	5	of	of	IN
39142	2361	6	Edinburgh	Edinburgh	NNP
39142	2361	7	published	publish	VBD
39142	2361	8	his	-PRON-	PRP$
39142	2361	9	investigation	investigation	NN
39142	2361	10	of	of	IN
39142	2361	11	the	the	DT
39142	2361	12	problem	problem	NN
39142	2361	13	from	from	IN
39142	2361	14	an	an	DT
39142	2361	15	entirely	entirely	RB
39142	2361	16	independent	independent	JJ
39142	2361	17	angle	angle	NN
39142	2361	18	.	.	.
39142	2362	1	Families	family	NNS
39142	2362	2	of	of	IN
39142	2362	3	comets	comet	NNS
39142	2362	4	have	have	VBP
39142	2362	5	long	long	RB
39142	2362	6	been	be	VBN
39142	2362	7	recognized	recognize	VBN
39142	2362	8	whose	whose	WP$
39142	2362	9	aphelion	aphelion	NN
39142	2362	10	distances	distance	NNS
39142	2362	11	correspond	correspond	VBP
39142	2362	12	so	so	RB
39142	2362	13	nearly	nearly	RB
39142	2362	14	with	with	IN
39142	2362	15	the	the	DT
39142	2362	16	distances	distance	NNS
39142	2362	17	of	of	IN
39142	2362	18	the	the	DT
39142	2362	19	planets	planet	NNS
39142	2362	20	that	that	WDT
39142	2362	21	these	these	DT
39142	2362	22	comet	comet	JJ
39142	2362	23	families	family	NNS
39142	2362	24	are	be	VBP
39142	2362	25	now	now	RB
39142	2362	26	recognized	recognize	VBN
39142	2362	27	as	as	IN
39142	2362	28	having	have	VBG
39142	2362	29	been	be	VBN
39142	2362	30	created	create	VBN
39142	2362	31	by	by	IN
39142	2362	32	the	the	DT
39142	2362	33	several	several	JJ
39142	2362	34	planets	planet	NNS
39142	2362	35	,	,	,
39142	2362	36	which	which	WDT
39142	2362	37	have	have	VBP
39142	2362	38	reduced	reduce	VBN
39142	2362	39	the	the	DT
39142	2362	40	high	high	JJ
39142	2362	41	original	original	JJ
39142	2362	42	velocities	velocity	NNS
39142	2362	43	possessed	possess	VBN
39142	2362	44	by	by	IN
39142	2362	45	the	the	DT
39142	2362	46	comets	comet	NNS
39142	2362	47	on	on	IN
39142	2362	48	first	first	RB
39142	2362	49	entering	enter	VBG
39142	2362	50	the	the	DT
39142	2362	51	solar	solar	JJ
39142	2362	52	system	system	NN
39142	2362	53	.	.	.
39142	2363	1	Their	-PRON-	PRP$
39142	2363	2	orbits	orbit	NNS
39142	2363	3	have	have	VBP
39142	2363	4	ever	ever	RB
39142	2363	5	since	since	IN
39142	2363	6	been	be	VBN
39142	2363	7	ellipses	ellipsis	NNS
39142	2363	8	with	with	IN
39142	2363	9	their	-PRON-	PRP$
39142	2363	10	aphelia	aphelion	NNS
39142	2363	11	in	in	IN
39142	2363	12	groups	group	NNS
39142	2363	13	corresponding	correspond	VBG
39142	2363	14	to	to	IN
39142	2363	15	the	the	DT
39142	2363	16	distances	distance	NNS
39142	2363	17	of	of	IN
39142	2363	18	the	the	DT
39142	2363	19	planets	planet	NNS
39142	2363	20	concerned	concern	VBN
39142	2363	21	.	.	.
39142	2364	1	Jupiter	Jupiter	NNP
39142	2364	2	has	have	VBZ
39142	2364	3	a	a	DT
39142	2364	4	large	large	JJ
39142	2364	5	group	group	NN
39142	2364	6	of	of	IN
39142	2364	7	such	such	JJ
39142	2364	8	comets	comet	NNS
39142	2364	9	,	,	,
39142	2364	10	also	also	RB
39142	2364	11	Saturn	Saturn	NNP
39142	2364	12	.	.	.
39142	2365	1	Uranus	Uranus	NNP
39142	2365	2	and	and	CC
39142	2365	3	Neptune	Neptune	NNP
39142	2365	4	likewise	likewise	RB
39142	2365	5	have	have	VBP
39142	2365	6	their	-PRON-	PRP$
39142	2365	7	families	family	NNS
39142	2365	8	of	of	IN
39142	2365	9	comets	comet	NNS
39142	2365	10	,	,	,
39142	2365	11	and	and	CC
39142	2365	12	Forbes	Forbes	NNP
39142	2365	13	found	find	VBD
39142	2365	14	two	two	CD
39142	2365	15	groups	group	NNS
39142	2365	16	with	with	IN
39142	2365	17	average	average	JJ
39142	2365	18	distances	distance	NNS
39142	2365	19	far	far	RB
39142	2365	20	outside	outside	RB
39142	2365	21	of	of	IN
39142	2365	22	Neptune	Neptune	NNP
39142	2365	23	;	;	:
39142	2365	24	from	from	IN
39142	2365	25	which	which	WDT
39142	2365	26	he	-PRON-	PRP
39142	2365	27	drew	draw	VBD
39142	2365	28	the	the	DT
39142	2365	29	inference	inference	NN
39142	2365	30	that	that	IN
39142	2365	31	there	there	EX
39142	2365	32	are	be	VBP
39142	2365	33	two	two	CD
39142	2365	34	trans	trans	JJ
39142	2365	35	-	-	JJ
39142	2365	36	Neptunian	neptunian	JJ
39142	2365	37	planets	planet	NNS
39142	2365	38	.	.	.
39142	2366	1	The	the	DT
39142	2366	2	position	position	NN
39142	2366	3	he	-PRON-	PRP
39142	2366	4	assigned	assign	VBD
39142	2366	5	to	to	IN
39142	2366	6	the	the	DT
39142	2366	7	inner	inner	JJ
39142	2366	8	one	one	NN
39142	2366	9	agreed	agree	VBD
39142	2366	10	fairly	fairly	RB
39142	2366	11	well	well	RB
39142	2366	12	with	with	IN
39142	2366	13	the	the	DT
39142	2366	14	writer	writer	NN
39142	2366	15	's	's	POS
39142	2366	16	planet	planet	NN
39142	2366	17	as	as	IN
39142	2366	18	indicated	indicate	VBN
39142	2366	19	by	by	IN
39142	2366	20	unexplained	unexplained	JJ
39142	2366	21	deviations	deviation	NNS
39142	2366	22	of	of	IN
39142	2366	23	Uranus	uranus	NN
39142	2366	24	.	.	.
39142	2367	1	The	the	DT
39142	2367	2	theoretical	theoretical	JJ
39142	2367	3	problem	problem	NN
39142	2367	4	of	of	IN
39142	2367	5	a	a	DT
39142	2367	6	trans	trans	JJ
39142	2367	7	-	-	JJ
39142	2367	8	Neptunian	neptunian	JJ
39142	2367	9	planet	planet	NN
39142	2367	10	has	have	VBZ
39142	2367	11	since	since	RB
39142	2367	12	been	be	VBN
39142	2367	13	taken	take	VBN
39142	2367	14	up	up	RP
39142	2367	15	by	by	IN
39142	2367	16	Gaillot	Gaillot	NNP
39142	2367	17	and	and	CC
39142	2367	18	Lau	Lau	NNP
39142	2367	19	of	of	IN
39142	2367	20	Paris	Paris	NNP
39142	2367	21	,	,	,
39142	2367	22	the	the	DT
39142	2367	23	late	late	JJ
39142	2367	24	Percival	Percival	NNP
39142	2367	25	Lowell	Lowell	NNP
39142	2367	26	,	,	,
39142	2367	27	and	and	CC
39142	2367	28	W.	W.	NNP
39142	2367	29	H.	H.	NNP
39142	2367	30	Pickering	Pickering	NNP
39142	2367	31	of	of	IN
39142	2367	32	Harvard	Harvard	NNP
39142	2367	33	.	.	.
39142	2368	1	The	the	DT
39142	2368	2	photographic	photographic	JJ
39142	2368	3	method	method	NN
39142	2368	4	of	of	IN
39142	2368	5	search	search	NN
39142	2368	6	will	will	MD
39142	2368	7	,	,	,
39142	2368	8	it	-PRON-	PRP
39142	2368	9	is	be	VBZ
39142	2368	10	expected	expect	VBN
39142	2368	11	,	,	,
39142	2368	12	ultimately	ultimately	RB
39142	2368	13	lead	lead	VB
39142	2368	14	to	to	IN
39142	2368	15	its	-PRON-	PRP$
39142	2368	16	discovery	discovery	NN
39142	2368	17	.	.	.
39142	2369	1	On	on	IN
39142	2369	2	account	account	NN
39142	2369	3	of	of	IN
39142	2369	4	the	the	DT
39142	2369	5	probable	probable	JJ
39142	2369	6	faintness	faintness	NN
39142	2369	7	of	of	IN
39142	2369	8	the	the	DT
39142	2369	9	planet	planet	NN
39142	2369	10	,	,	,
39142	2369	11	at	at	IN
39142	2369	12	least	least	JJS
39142	2369	13	the	the	DT
39142	2369	14	twelfth	twelfth	JJ
39142	2369	15	or	or	CC
39142	2369	16	thirteenth	thirteenth	JJ
39142	2369	17	magnitude	magnitude	NN
39142	2369	18	,	,	,
39142	2369	19	Metcalf	Metcalf	NNP
39142	2369	20	's	's	POS
39142	2369	21	method	method	NN
39142	2369	22	of	of	IN
39142	2369	23	search	search	NN
39142	2369	24	is	be	VBZ
39142	2369	25	well	well	RB
39142	2369	26	adapted	adapt	VBN
39142	2369	27	to	to	IN
39142	2369	28	this	this	DT
39142	2369	29	practical	practical	JJ
39142	2369	30	problem	problem	NN
39142	2369	31	.	.	.
39142	2370	1	When	when	WRB
39142	2370	2	near	near	IN
39142	2370	3	its	-PRON-	PRP$
39142	2370	4	opposition	opposition	NN
39142	2370	5	the	the	DT
39142	2370	6	motion	motion	NN
39142	2370	7	of	of	IN
39142	2370	8	Neptune	Neptune	NNP
39142	2370	9	retrograding	retrograde	VBG
39142	2370	10	among	among	IN
39142	2370	11	the	the	DT
39142	2370	12	stars	star	NNS
39142	2370	13	amounts	amount	VBZ
39142	2370	14	to	to	IN
39142	2370	15	five	five	CD
39142	2370	16	seconds	second	NNS
39142	2370	17	of	of	IN
39142	2370	18	arc	arc	NN
39142	2370	19	in	in	IN
39142	2370	20	an	an	DT
39142	2370	21	hour	hour	NN
39142	2370	22	;	;	:
39142	2370	23	while	while	IN
39142	2370	24	the	the	DT
39142	2370	25	trans	trans	JJ
39142	2370	26	-	-	JJ
39142	2370	27	Neptunian	neptunian	JJ
39142	2370	28	planet	planet	NN
39142	2370	29	would	would	MD
39142	2370	30	move	move	VB
39142	2370	31	but	but	CC
39142	2370	32	three	three	CD
39142	2370	33	seconds	second	NNS
39142	2370	34	.	.	.
39142	2371	1	By	by	IN
39142	2371	2	shifting	shift	VBG
39142	2371	3	the	the	DT
39142	2371	4	plate	plate	NN
39142	2371	5	this	this	DT
39142	2371	6	amount	amount	NN
39142	2371	7	hourly	hourly	RB
39142	2371	8	during	during	IN
39142	2371	9	exposure	exposure	NN
39142	2371	10	,	,	,
39142	2371	11	the	the	DT
39142	2371	12	suspected	suspect	VBN
39142	2371	13	object	object	NN
39142	2371	14	would	would	MD
39142	2371	15	readily	readily	RB
39142	2371	16	be	be	VB
39142	2371	17	detected	detect	VBN
39142	2371	18	on	on	IN
39142	2371	19	the	the	DT
39142	2371	20	photographic	photographic	JJ
39142	2371	21	plate	plate	NN
39142	2371	22	as	as	IN
39142	2371	23	a	a	DT
39142	2371	24	minute	minute	NN
39142	2371	25	and	and	CC
39142	2371	26	nearly	nearly	RB
39142	2371	27	circular	circular	JJ
39142	2371	28	disk	disk	NN
39142	2371	29	,	,	,
39142	2371	30	all	all	PDT
39142	2371	31	the	the	DT
39142	2371	32	adjacent	adjacent	JJ
39142	2371	33	stars	star	NNS
39142	2371	34	being	be	VBG
39142	2371	35	represented	represent	VBN
39142	2371	36	by	by	IN
39142	2371	37	short	short	JJ
39142	2371	38	trails	trail	NNS
39142	2371	39	.	.	.
39142	2372	1	Interest	interest	NN
39142	2372	2	in	in	IN
39142	2372	3	a	a	DT
39142	2372	4	possible	possible	JJ
39142	2372	5	planet	planet	NN
39142	2372	6	or	or	CC
39142	2372	7	planets	planet	NNS
39142	2372	8	outside	outside	IN
39142	2372	9	the	the	DT
39142	2372	10	orbit	orbit	NN
39142	2372	11	of	of	IN
39142	2372	12	Neptune	Neptune	NNP
39142	2372	13	is	be	VBZ
39142	2372	14	likely	likely	JJ
39142	2372	15	to	to	TO
39142	2372	16	increase	increase	VB
39142	2372	17	rather	rather	RB
39142	2372	18	than	than	IN
39142	2372	19	diminish	diminish	VB
39142	2372	20	.	.	.
39142	2373	1	To	to	IN
39142	2373	2	the	the	DT
39142	2373	3	ancients	ancient	NNS
39142	2373	4	seven	seven	CD
39142	2373	5	was	be	VBD
39142	2373	6	the	the	DT
39142	2373	7	perfect	perfect	JJ
39142	2373	8	number	number	NN
39142	2373	9	,	,	,
39142	2373	10	there	there	EX
39142	2373	11	were	be	VBD
39142	2373	12	seven	seven	CD
39142	2373	13	heavenly	heavenly	JJ
39142	2373	14	bodies	body	NNS
39142	2373	15	already	already	RB
39142	2373	16	known	know	VBN
39142	2373	17	,	,	,
39142	2373	18	so	so	CC
39142	2373	19	there	there	EX
39142	2373	20	could	could	MD
39142	2373	21	be	be	VB
39142	2373	22	no	no	DT
39142	2373	23	use	use	NN
39142	2373	24	whatever	whatever	WDT
39142	2373	25	in	in	IN
39142	2373	26	looking	look	VBG
39142	2373	27	for	for	IN
39142	2373	28	an	an	DT
39142	2373	29	eighth	eighth	NN
39142	2373	30	.	.	.
39142	2374	1	The	the	DT
39142	2374	2	discovery	discovery	NN
39142	2374	3	of	of	IN
39142	2374	4	Uranus	uranus	NN
39142	2374	5	in	in	IN
39142	2374	6	1781	1781	CD
39142	2374	7	proved	prove	VBD
39142	2374	8	the	the	DT
39142	2374	9	futility	futility	NN
39142	2374	10	of	of	IN
39142	2374	11	such	such	JJ
39142	2374	12	logic	logic	NN
39142	2374	13	,	,	,
39142	2374	14	and	and	CC
39142	2374	15	Neptune	Neptune	NNP
39142	2374	16	followed	follow	VBD
39142	2374	17	in	in	IN
39142	2374	18	1846	1846	CD
39142	2374	19	with	with	IN
39142	2374	20	further	further	JJ
39142	2374	21	demonstration	demonstration	NN
39142	2374	22	,	,	,
39142	2374	23	if	if	IN
39142	2374	24	need	need	NN
39142	2374	25	be	be	VB
39142	2374	26	.	.	.
39142	2375	1	The	the	DT
39142	2375	2	cosmogony	cosmogony	NN
39142	2375	3	of	of	IN
39142	2375	4	the	the	DT
39142	2375	5	present	present	JJ
39142	2375	6	day	day	NN
39142	2375	7	sets	set	VBZ
39142	2375	8	no	no	DT
39142	2375	9	outer	outer	JJ
39142	2375	10	limit	limit	NN
39142	2375	11	to	to	IN
39142	2375	12	the	the	DT
39142	2375	13	solar	solar	JJ
39142	2375	14	system	system	NN
39142	2375	15	,	,	,
39142	2375	16	and	and	CC
39142	2375	17	some	some	DT
39142	2375	18	astronomers	astronomer	NNS
39142	2375	19	advocate	advocate	VBP
39142	2375	20	the	the	DT
39142	2375	21	existence	existence	NN
39142	2375	22	of	of	IN
39142	2375	23	many	many	JJ
39142	2375	24	trans	trans	JJ
39142	2375	25	-	-	JJ
39142	2375	26	Neptunian	neptunian	JJ
39142	2375	27	planets	planet	NNS
39142	2375	28	.	.	.
39142	2376	1	CHAPTER	CHAPTER	NNP
39142	2376	2	XL	XL	NNP
39142	2376	3	COMETS	COMETS	NNP
39142	2376	4	--	--	:
39142	2376	5	THE	the	DT
39142	2376	6	HAIRY	HAIRY	NNP
39142	2376	7	STARS	STARS	NNP
39142	2376	8	Comets	Comets	NNPS
39142	2376	9	--	--	:
39142	2376	10	hairy	hairy	JJ
39142	2376	11	stars	star	NNS
39142	2376	12	,	,	,
39142	2376	13	as	as	IN
39142	2376	14	the	the	DT
39142	2376	15	origin	origin	NN
39142	2376	16	of	of	IN
39142	2376	17	the	the	DT
39142	2376	18	name	name	NN
39142	2376	19	would	would	MD
39142	2376	20	indicate	indicate	VB
39142	2376	21	--	--	:
39142	2376	22	are	be	VBP
39142	2376	23	the	the	DT
39142	2376	24	freaks	freak	NNS
39142	2376	25	of	of	IN
39142	2376	26	the	the	DT
39142	2376	27	heavens	heavens	NNPS
39142	2376	28	.	.	.
39142	2377	1	Of	of	IN
39142	2377	2	great	great	JJ
39142	2377	3	variety	variety	NN
39142	2377	4	in	in	IN
39142	2377	5	shape	shape	NN
39142	2377	6	,	,	,
39142	2377	7	some	some	DT
39142	2377	8	with	with	IN
39142	2377	9	heads	head	NNS
39142	2377	10	and	and	CC
39142	2377	11	some	some	DT
39142	2377	12	without	without	IN
39142	2377	13	,	,	,
39142	2377	14	some	some	DT
39142	2377	15	with	with	IN
39142	2377	16	tails	tail	NNS
39142	2377	17	and	and	CC
39142	2377	18	some	some	DT
39142	2377	19	without	without	IN
39142	2377	20	,	,	,
39142	2377	21	moving	move	VBG
39142	2377	22	very	very	RB
39142	2377	23	slowly	slowly	RB
39142	2377	24	at	at	IN
39142	2377	25	one	one	CD
39142	2377	26	time	time	NN
39142	2377	27	and	and	CC
39142	2377	28	with	with	IN
39142	2377	29	exceedingly	exceedingly	RB
39142	2377	30	high	high	JJ
39142	2377	31	velocity	velocity	NN
39142	2377	32	at	at	IN
39142	2377	33	another	another	DT
39142	2377	34	,	,	,
39142	2377	35	in	in	IN
39142	2377	36	orbits	orbit	NNS
39142	2377	37	at	at	RB
39142	2377	38	all	all	RB
39142	2377	39	possible	possible	JJ
39142	2377	40	angles	angle	NNS
39142	2377	41	of	of	IN
39142	2377	42	inclination	inclination	NN
39142	2377	43	to	to	IN
39142	2377	44	the	the	DT
39142	2377	45	general	general	JJ
39142	2377	46	plane	plane	NN
39142	2377	47	of	of	IN
39142	2377	48	the	the	DT
39142	2377	49	planetary	planetary	NN
39142	2377	50	paths	path	NNS
39142	2377	51	round	round	VBP
39142	2377	52	the	the	DT
39142	2377	53	sun	sun	NN
39142	2377	54	,	,	,
39142	2377	55	their	-PRON-	PRP$
39142	2377	56	antics	antic	NNS
39142	2377	57	and	and	CC
39142	2377	58	irregularities	irregularity	NNS
39142	2377	59	were	be	VBD
39142	2377	60	the	the	DT
39142	2377	61	wonder	wonder	NN
39142	2377	62	and	and	CC
39142	2377	63	terror	terror	NN
39142	2377	64	of	of	IN
39142	2377	65	the	the	DT
39142	2377	66	ancient	ancient	JJ
39142	2377	67	world	world	NN
39142	2377	68	,	,	,
39142	2377	69	and	and	CC
39142	2377	70	they	-PRON-	PRP
39142	2377	71	are	be	VBP
39142	2377	72	keenly	keenly	RB
39142	2377	73	dreaded	dread	VBN
39142	2377	74	by	by	IN
39142	2377	75	superstitious	superstitious	JJ
39142	2377	76	people	people	NNS
39142	2377	77	even	even	RB
39142	2377	78	to	to	IN
39142	2377	79	the	the	DT
39142	2377	80	present	present	JJ
39142	2377	81	day	day	NN
39142	2377	82	.	.	.
39142	2378	1	Down	down	IN
39142	2378	2	through	through	IN
39142	2378	3	the	the	DT
39142	2378	4	Middle	Middle	NNP
39142	2378	5	Ages	Ages	NNP
39142	2378	6	the	the	DT
39142	2378	7	advent	advent	NN
39142	2378	8	of	of	IN
39142	2378	9	a	a	DT
39142	2378	10	comet	comet	NN
39142	2378	11	was	be	VBD
39142	2378	12	regarded	regard	VBN
39142	2378	13	as	as	IN
39142	2378	14	:	:	:
39142	2378	15	Threatening	threaten	VBG
39142	2378	16	the	the	DT
39142	2378	17	world	world	NN
39142	2378	18	with	with	IN
39142	2378	19	famine	famine	NN
39142	2378	20	,	,	,
39142	2378	21	plague	plague	NN
39142	2378	22	and	and	CC
39142	2378	23	war	war	NN
39142	2378	24	;	;	,
39142	2378	25	To	to	IN
39142	2378	26	princes	prince	NNS
39142	2378	27	,	,	,
39142	2378	28	death	death	NN
39142	2378	29	;	;	:
39142	2378	30	to	to	IN
39142	2378	31	kingdoms	kingdom	NNS
39142	2378	32	,	,	,
39142	2378	33	many	many	JJ
39142	2378	34	curses	curse	NNS
39142	2378	35	;	;	:
39142	2378	36	To	to	IN
39142	2378	37	all	all	DT
39142	2378	38	estates	estate	NNS
39142	2378	39	,	,	,
39142	2378	40	inevitable	inevitable	JJ
39142	2378	41	losses	loss	NNS
39142	2378	42	;	;	:
39142	2378	43	To	to	IN
39142	2378	44	herdsmen	herdsman	NNS
39142	2378	45	,	,	,
39142	2378	46	rot	rot	VB
39142	2378	47	;	;	:
39142	2378	48	to	to	IN
39142	2378	49	plowmen	plowman	NNS
39142	2378	50	,	,	,
39142	2378	51	hapless	hapless	JJ
39142	2378	52	seasons	season	NNS
39142	2378	53	;	;	,
39142	2378	54	To	to	IN
39142	2378	55	sailors	sailor	NNS
39142	2378	56	,	,	,
39142	2378	57	storms	storm	NNS
39142	2378	58	;	;	:
39142	2378	59	to	to	IN
39142	2378	60	cities	city	NNS
39142	2378	61	,	,	,
39142	2378	62	civil	civil	JJ
39142	2378	63	treasons	treason	NNS
39142	2378	64	.	.	.
39142	2379	1	Comets	comet	NNS
39142	2379	2	appeared	appear	VBD
39142	2379	3	to	to	TO
39142	2379	4	be	be	VB
39142	2379	5	marvelous	marvelous	JJ
39142	2379	6	objects	object	NNS
39142	2379	7	,	,	,
39142	2379	8	as	as	RB
39142	2379	9	well	well	RB
39142	2379	10	as	as	IN
39142	2379	11	sinister	sinister	NN
39142	2379	12	,	,	,
39142	2379	13	chiefly	chiefly	RB
39142	2379	14	because	because	IN
39142	2379	15	they	-PRON-	PRP
39142	2379	16	bid	bid	VBD
39142	2379	17	apparent	apparent	JJ
39142	2379	18	defiance	defiance	NN
39142	2379	19	to	to	IN
39142	2379	20	all	all	DT
39142	2379	21	law	law	NN
39142	2379	22	.	.	.
39142	2380	1	Kepler	Kepler	NNP
39142	2380	2	had	have	VBD
39142	2380	3	shown	show	VBN
39142	2380	4	that	that	IN
39142	2380	5	the	the	DT
39142	2380	6	moon	moon	NN
39142	2380	7	and	and	CC
39142	2380	8	the	the	DT
39142	2380	9	planets	planet	NNS
39142	2380	10	travel	travel	VBP
39142	2380	11	in	in	IN
39142	2380	12	regular	regular	JJ
39142	2380	13	paths	path	NNS
39142	2380	14	--	--	:
39142	2380	15	slightly	slightly	RB
39142	2380	16	elliptical	elliptical	JJ
39142	2380	17	to	to	TO
39142	2380	18	be	be	VB
39142	2380	19	sure	sure	JJ
39142	2380	20	,	,	,
39142	2380	21	but	but	CC
39142	2380	22	nevertheless	nevertheless	RB
39142	2380	23	unvarying	unvarye	VBG
39142	2380	24	.	.	.
39142	2381	1	None	none	NN
39142	2381	2	of	of	IN
39142	2381	3	the	the	DT
39142	2381	4	comets	comet	NNS
39142	2381	5	were	be	VBD
39142	2381	6	known	know	VBN
39142	2381	7	to	to	TO
39142	2381	8	follow	follow	VB
39142	2381	9	regular	regular	JJ
39142	2381	10	paths	path	NNS
39142	2381	11	till	till	IN
39142	2381	12	the	the	DT
39142	2381	13	time	time	NN
39142	2381	14	of	of	IN
39142	2381	15	Halley	Halley	NNP
39142	2381	16	late	late	RB
39142	2381	17	in	in	IN
39142	2381	18	the	the	DT
39142	2381	19	seventeenth	seventeenth	JJ
39142	2381	20	century	century	NN
39142	2381	21	,	,	,
39142	2381	22	when	when	WRB
39142	2381	23	,	,	,
39142	2381	24	as	as	IN
39142	2381	25	we	-PRON-	PRP
39142	2381	26	have	have	VBP
39142	2381	27	before	before	RB
39142	2381	28	told	tell	VBN
39142	2381	29	,	,	,
39142	2381	30	a	a	DT
39142	2381	31	fine	fine	JJ
39142	2381	32	comet	comet	NN
39142	2381	33	made	make	VBD
39142	2381	34	its	-PRON-	PRP$
39142	2381	35	appearance	appearance	NN
39142	2381	36	,	,	,
39142	2381	37	and	and	CC
39142	2381	38	Halley	Halley	NNP
39142	2381	39	calculated	calculate	VBD
39142	2381	40	its	-PRON-	PRP$
39142	2381	41	orbit	orbit	NN
39142	2381	42	with	with	IN
39142	2381	43	much	much	JJ
39142	2381	44	precision	precision	NN
39142	2381	45	.	.	.
39142	2382	1	Comparing	compare	VBG
39142	2382	2	this	this	DT
39142	2382	3	with	with	IN
39142	2382	4	the	the	DT
39142	2382	5	orbits	orbit	NNS
39142	2382	6	of	of	IN
39142	2382	7	comets	comet	NNS
39142	2382	8	that	that	WDT
39142	2382	9	had	have	VBD
39142	2382	10	previously	previously	RB
39142	2382	11	been	be	VBN
39142	2382	12	seen	see	VBN
39142	2382	13	,	,	,
39142	2382	14	he	-PRON-	PRP
39142	2382	15	found	find	VBD
39142	2382	16	its	-PRON-	PRP$
39142	2382	17	path	path	NN
39142	2382	18	about	about	IN
39142	2382	19	the	the	DT
39142	2382	20	sun	sun	NN
39142	2382	21	practically	practically	RB
39142	2382	22	identical	identical	JJ
39142	2382	23	with	with	IN
39142	2382	24	that	that	DT
39142	2382	25	of	of	IN
39142	2382	26	at	at	RB
39142	2382	27	least	least	RBS
39142	2382	28	two	two	CD
39142	2382	29	comets	comet	NNS
39142	2382	30	previously	previously	RB
39142	2382	31	observed	observe	VBN
39142	2382	32	in	in	IN
39142	2382	33	1531	1531	CD
39142	2382	34	and	and	CC
39142	2382	35	1607	1607	CD
39142	2382	36	.	.	.
39142	2383	1	So	so	RB
39142	2383	2	Halley	Halley	NNP
39142	2383	3	ventured	venture	VBD
39142	2383	4	to	to	TO
39142	2383	5	think	think	VB
39142	2383	6	all	all	PDT
39142	2383	7	these	these	DT
39142	2383	8	comets	comet	NNS
39142	2383	9	were	be	VBD
39142	2383	10	one	one	CD
39142	2383	11	and	and	CC
39142	2383	12	the	the	DT
39142	2383	13	same	same	JJ
39142	2383	14	body	body	NN
39142	2383	15	,	,	,
39142	2383	16	and	and	CC
39142	2383	17	that	that	IN
39142	2383	18	it	-PRON-	PRP
39142	2383	19	traveled	travel	VBD
39142	2383	20	round	round	IN
39142	2383	21	the	the	DT
39142	2383	22	sun	sun	NN
39142	2383	23	in	in	IN
39142	2383	24	a	a	DT
39142	2383	25	long	long	JJ
39142	2383	26	ellipse	ellipse	NN
39142	2383	27	in	in	IN
39142	2383	28	a	a	DT
39142	2383	29	period	period	NN
39142	2383	30	of	of	IN
39142	2383	31	about	about	RB
39142	2383	32	seventy	seventy	CD
39142	2383	33	-	-	HYPH
39142	2383	34	five	five	CD
39142	2383	35	or	or	CC
39142	2383	36	seventy	seventy	CD
39142	2383	37	-	-	HYPH
39142	2383	38	six	six	CD
39142	2383	39	years	year	NNS
39142	2383	40	.	.	.
39142	2384	1	We	-PRON-	PRP
39142	2384	2	have	have	VBP
39142	2384	3	seen	see	VBN
39142	2384	4	how	how	WRB
39142	2384	5	his	-PRON-	PRP$
39142	2384	6	prediction	prediction	NN
39142	2384	7	of	of	IN
39142	2384	8	its	-PRON-	PRP$
39142	2384	9	return	return	NN
39142	2384	10	in	in	IN
39142	2384	11	1758	1758	CD
39142	2384	12	was	be	VBD
39142	2384	13	verified	verify	VBN
39142	2384	14	in	in	IN
39142	2384	15	every	every	DT
39142	2384	16	particular	particular	NN
39142	2384	17	.	.	.
39142	2385	1	On	on	IN
39142	2385	2	the	the	DT
39142	2385	3	comet	comet	NN
39142	2385	4	's	's	POS
39142	2385	5	return	return	NN
39142	2385	6	in	in	IN
39142	2385	7	1910	1910	CD
39142	2385	8	,	,	,
39142	2385	9	Crowell	Crowell	NNP
39142	2385	10	and	and	CC
39142	2385	11	Crommelin	Crommelin	NNP
39142	2385	12	of	of	IN
39142	2385	13	Greenwich	Greenwich	NNP
39142	2385	14	made	make	VBD
39142	2385	15	a	a	DT
39142	2385	16	thorough	thorough	JJ
39142	2385	17	mathematical	mathematical	JJ
39142	2385	18	investigation	investigation	NN
39142	2385	19	of	of	IN
39142	2385	20	the	the	DT
39142	2385	21	orbit	orbit	NN
39142	2385	22	,	,	,
39142	2385	23	indicating	indicate	VBG
39142	2385	24	that	that	IN
39142	2385	25	the	the	DT
39142	2385	26	year	year	NN
39142	2385	27	1986	1986	CD
39142	2385	28	will	will	MD
39142	2385	29	witness	witness	VB
39142	2385	30	its	-PRON-	PRP$
39142	2385	31	next	next	JJ
39142	2385	32	return	return	NN
39142	2385	33	to	to	IN
39142	2385	34	the	the	DT
39142	2385	35	sun	sun	NN
39142	2385	36	.	.	.
39142	2386	1	There	there	EX
39142	2386	2	is	be	VBZ
39142	2386	3	a	a	DT
39142	2386	4	class	class	NN
39142	2386	5	of	of	IN
39142	2386	6	astronomers	astronomer	NNS
39142	2386	7	known	know	VBN
39142	2386	8	as	as	IN
39142	2386	9	comet	comet	NN
39142	2386	10	-	-	HYPH
39142	2386	11	hunters	hunter	NNS
39142	2386	12	,	,	,
39142	2386	13	and	and	CC
39142	2386	14	they	-PRON-	PRP
39142	2386	15	pass	pass	VBP
39142	2386	16	hours	hour	NNS
39142	2386	17	upon	upon	IN
39142	2386	18	hours	hour	NNS
39142	2386	19	of	of	IN
39142	2386	20	clear	clear	JJ
39142	2386	21	,	,	,
39142	2386	22	sparkling	sparkling	JJ
39142	2386	23	,	,	,
39142	2386	24	moonless	moonless	JJ
39142	2386	25	nights	night	NNS
39142	2386	26	in	in	IN
39142	2386	27	search	search	NN
39142	2386	28	for	for	IN
39142	2386	29	comets	comet	NNS
39142	2386	30	.	.	.
39142	2387	1	They	-PRON-	PRP
39142	2387	2	are	be	VBP
39142	2387	3	equipped	equip	VBN
39142	2387	4	with	with	IN
39142	2387	5	a	a	DT
39142	2387	6	peculiar	peculiar	JJ
39142	2387	7	sort	sort	NN
39142	2387	8	of	of	IN
39142	2387	9	telescope	telescope	NN
39142	2387	10	called	call	VBD
39142	2387	11	a	a	DT
39142	2387	12	comet	comet	NN
39142	2387	13	-	-	HYPH
39142	2387	14	seeker	seeker	NN
39142	2387	15	,	,	,
39142	2387	16	which	which	WDT
39142	2387	17	has	have	VBZ
39142	2387	18	an	an	DT
39142	2387	19	object	object	NN
39142	2387	20	glass	glass	NN
39142	2387	21	usually	usually	RB
39142	2387	22	about	about	IN
39142	2387	23	four	four	CD
39142	2387	24	or	or	CC
39142	2387	25	five	five	CD
39142	2387	26	inches	inch	NNS
39142	2387	27	in	in	IN
39142	2387	28	diameter	diameter	NN
39142	2387	29	,	,	,
39142	2387	30	and	and	CC
39142	2387	31	a	a	DT
39142	2387	32	relatively	relatively	RB
39142	2387	33	short	short	JJ
39142	2387	34	length	length	NN
39142	2387	35	of	of	IN
39142	2387	36	focus	focus	NN
39142	2387	37	,	,	,
39142	2387	38	so	so	IN
39142	2387	39	that	that	IN
39142	2387	40	a	a	DT
39142	2387	41	larger	large	JJR
39142	2387	42	field	field	NN
39142	2387	43	of	of	IN
39142	2387	44	view	view	NN
39142	2387	45	may	may	MD
39142	2387	46	be	be	VB
39142	2387	47	included	include	VBN
39142	2387	48	.	.	.
39142	2388	1	Regions	region	NNS
39142	2388	2	near	near	IN
39142	2388	3	the	the	DT
39142	2388	4	poles	pole	NNS
39142	2388	5	of	of	IN
39142	2388	6	the	the	DT
39142	2388	7	heavens	heavens	NNPS
39142	2388	8	are	be	VBP
39142	2388	9	perhaps	perhaps	RB
39142	2388	10	the	the	DT
39142	2388	11	most	most	RBS
39142	2388	12	fruitful	fruitful	JJ
39142	2388	13	fields	field	NNS
39142	2388	14	for	for	IN
39142	2388	15	search	search	NN
39142	2388	16	,	,	,
39142	2388	17	and	and	CC
39142	2388	18	thence	thence	NN
39142	2388	19	toward	toward	IN
39142	2388	20	the	the	DT
39142	2388	21	sun	sun	NN
39142	2388	22	till	till	IN
39142	2388	23	its	-PRON-	PRP$
39142	2388	24	light	light	JJ
39142	2388	25	renders	render	VBZ
39142	2388	26	the	the	DT
39142	2388	27	sky	sky	NN
39142	2388	28	too	too	RB
39142	2388	29	bright	bright	JJ
39142	2388	30	for	for	IN
39142	2388	31	the	the	DT
39142	2388	32	finding	finding	NN
39142	2388	33	of	of	IN
39142	2388	34	such	such	PDT
39142	2388	35	a	a	DT
39142	2388	36	faint	faint	JJ
39142	2388	37	object	object	NN
39142	2388	38	as	as	IN
39142	2388	39	a	a	DT
39142	2388	40	new	new	JJ
39142	2388	41	comet	comet	NN
39142	2388	42	usually	usually	RB
39142	2388	43	is	be	VBZ
39142	2388	44	at	at	IN
39142	2388	45	the	the	DT
39142	2388	46	time	time	NN
39142	2388	47	of	of	IN
39142	2388	48	discovery	discovery	NN
39142	2388	49	.	.	.
39142	2389	1	Generally	generally	RB
39142	2389	2	when	when	WRB
39142	2389	3	first	first	RB
39142	2389	4	seen	see	VBD
39142	2389	5	it	-PRON-	PRP
39142	2389	6	resembles	resemble	VBZ
39142	2389	7	a	a	DT
39142	2389	8	small	small	JJ
39142	2389	9	circular	circular	JJ
39142	2389	10	patch	patch	NN
39142	2389	11	of	of	IN
39142	2389	12	faint	faint	JJ
39142	2389	13	luminous	luminous	JJ
39142	2389	14	cloud	cloud	NN
39142	2389	15	.	.	.
39142	2390	1	When	when	WRB
39142	2390	2	a	a	DT
39142	2390	3	suspect	suspect	NN
39142	2390	4	is	be	VBZ
39142	2390	5	found	find	VBN
39142	2390	6	,	,	,
39142	2390	7	the	the	DT
39142	2390	8	first	first	JJ
39142	2390	9	thing	thing	NN
39142	2390	10	to	to	TO
39142	2390	11	do	do	VB
39142	2390	12	is	be	VBZ
39142	2390	13	to	to	TO
39142	2390	14	observe	observe	VB
39142	2390	15	its	-PRON-	PRP$
39142	2390	16	position	position	NN
39142	2390	17	accurately	accurately	RB
39142	2390	18	with	with	IN
39142	2390	19	relation	relation	NN
39142	2390	20	to	to	IN
39142	2390	21	the	the	DT
39142	2390	22	surrounding	surround	VBG
39142	2390	23	stars	star	NNS
39142	2390	24	.	.	.
39142	2391	1	Then	then	RB
39142	2391	2	,	,	,
39142	2391	3	if	if	IN
39142	2391	4	on	on	IN
39142	2391	5	the	the	DT
39142	2391	6	next	next	JJ
39142	2391	7	occasion	occasion	NN
39142	2391	8	when	when	WRB
39142	2391	9	it	-PRON-	PRP
39142	2391	10	is	be	VBZ
39142	2391	11	seen	see	VBN
39142	2391	12	the	the	DT
39142	2391	13	object	object	NN
39142	2391	14	has	have	VBZ
39142	2391	15	moved	move	VBN
39142	2391	16	,	,	,
39142	2391	17	the	the	DT
39142	2391	18	chances	chance	NNS
39142	2391	19	are	be	VBP
39142	2391	20	that	that	IN
39142	2391	21	it	-PRON-	PRP
39142	2391	22	is	be	VBZ
39142	2391	23	a	a	DT
39142	2391	24	comet	comet	NN
39142	2391	25	;	;	:
39142	2391	26	and	and	CC
39142	2391	27	a	a	DT
39142	2391	28	few	few	JJ
39142	2391	29	days	day	NNS
39142	2391	30	'	'	POS
39142	2391	31	observation	observation	NN
39142	2391	32	will	will	MD
39142	2391	33	provide	provide	VB
39142	2391	34	material	material	NN
39142	2391	35	from	from	IN
39142	2391	36	which	which	WDT
39142	2391	37	the	the	DT
39142	2391	38	path	path	NN
39142	2391	39	of	of	IN
39142	2391	40	the	the	DT
39142	2391	41	comet	comet	NN
39142	2391	42	in	in	IN
39142	2391	43	space	space	NN
39142	2391	44	can	can	MD
39142	2391	45	be	be	VB
39142	2391	46	calculated	calculate	VBN
39142	2391	47	.	.	.
39142	2392	1	By	by	IN
39142	2392	2	comparing	compare	VBG
39142	2392	3	this	this	DT
39142	2392	4	with	with	IN
39142	2392	5	the	the	DT
39142	2392	6	complete	complete	JJ
39142	2392	7	lists	list	NNS
39142	2392	8	of	of	IN
39142	2392	9	comets	comet	NNS
39142	2392	10	,	,	,
39142	2392	11	now	now	RB
39142	2392	12	about	about	RB
39142	2392	13	700	700	CD
39142	2392	14	in	in	IN
39142	2392	15	number	number	NN
39142	2392	16	,	,	,
39142	2392	17	it	-PRON-	PRP
39142	2392	18	is	be	VBZ
39142	2392	19	possible	possible	JJ
39142	2392	20	to	to	TO
39142	2392	21	tell	tell	VB
39142	2392	22	whether	whether	IN
39142	2392	23	the	the	DT
39142	2392	24	comet	comet	NN
39142	2392	25	is	be	VBZ
39142	2392	26	a	a	DT
39142	2392	27	new	new	JJ
39142	2392	28	one	one	CD
39142	2392	29	,	,	,
39142	2392	30	or	or	CC
39142	2392	31	an	an	DT
39142	2392	32	old	old	JJ
39142	2392	33	one	one	CD
39142	2392	34	returning	return	VBG
39142	2392	35	.	.	.
39142	2393	1	The	the	DT
39142	2393	2	total	total	JJ
39142	2393	3	number	number	NN
39142	2393	4	of	of	IN
39142	2393	5	comets	comet	NNS
39142	2393	6	in	in	IN
39142	2393	7	the	the	DT
39142	2393	8	heavens	heavens	NNPS
39142	2393	9	must	must	MD
39142	2393	10	be	be	VB
39142	2393	11	very	very	RB
39142	2393	12	great	great	JJ
39142	2393	13	,	,	,
39142	2393	14	and	and	CC
39142	2393	15	thousands	thousand	NNS
39142	2393	16	are	be	VBP
39142	2393	17	doubtless	doubtless	RB
39142	2393	18	passing	pass	VBG
39142	2393	19	continually	continually	RB
39142	2393	20	undetected	undetecte	VBN
39142	2393	21	,	,	,
39142	2393	22	because	because	IN
39142	2393	23	their	-PRON-	PRP$
39142	2393	24	light	light	NN
39142	2393	25	is	be	VBZ
39142	2393	26	wholly	wholly	RB
39142	2393	27	overpowered	overpower	VBN
39142	2393	28	by	by	IN
39142	2393	29	that	that	DT
39142	2393	30	of	of	IN
39142	2393	31	the	the	DT
39142	2393	32	sun	sun	NN
39142	2393	33	.	.	.
39142	2394	1	Of	of	IN
39142	2394	2	those	those	DT
39142	2394	3	that	that	WDT
39142	2394	4	are	be	VBP
39142	2394	5	known	know	VBN
39142	2394	6	,	,	,
39142	2394	7	perhaps	perhaps	RB
39142	2394	8	one	one	CD
39142	2394	9	in	in	IN
39142	2394	10	twelve	twelve	CD
39142	2394	11	develops	develop	NNS
39142	2394	12	into	into	IN
39142	2394	13	a	a	DT
39142	2394	14	naked	naked	JJ
39142	2394	15	-	-	HYPH
39142	2394	16	eye	eye	NN
39142	2394	17	comet	comet	NN
39142	2394	18	,	,	,
39142	2394	19	and	and	CC
39142	2394	20	in	in	IN
39142	2394	21	some	some	DT
39142	2394	22	years	year	NNS
39142	2394	23	six	six	CD
39142	2394	24	or	or	CC
39142	2394	25	seven	seven	CD
39142	2394	26	will	will	MD
39142	2394	27	be	be	VB
39142	2394	28	discovered	discover	VBN
39142	2394	29	.	.	.
39142	2395	1	With	with	IN
39142	2395	2	sufficiently	sufficiently	RB
39142	2395	3	powerful	powerful	JJ
39142	2395	4	telescopes	telescope	NNS
39142	2395	5	,	,	,
39142	2395	6	there	there	EX
39142	2395	7	are	be	VBP
39142	2395	8	as	as	IN
39142	2395	9	a	a	DT
39142	2395	10	rule	rule	NN
39142	2395	11	not	not	RB
39142	2395	12	many	many	JJ
39142	2395	13	weeks	week	NNS
39142	2395	14	in	in	IN
39142	2395	15	the	the	DT
39142	2395	16	year	year	NN
39142	2395	17	when	when	WRB
39142	2395	18	no	no	DT
39142	2395	19	comet	comet	NN
39142	2395	20	is	be	VBZ
39142	2395	21	visible	visible	JJ
39142	2395	22	.	.	.
39142	2396	1	Brilliant	brilliant	JJ
39142	2396	2	naked	naked	JJ
39142	2396	3	-	-	HYPH
39142	2396	4	eye	eye	NN
39142	2396	5	comets	comet	NNS
39142	2396	6	are	be	VBP
39142	2396	7	,	,	,
39142	2396	8	however	however	RB
39142	2396	9	,	,	,
39142	2396	10	infrequent	infrequent	NN
39142	2396	11	.	.	.
39142	2397	1	Comets	comet	NNS
39142	2397	2	,	,	,
39142	2397	3	except	except	IN
39142	2397	4	Halley	Halley	NNP
39142	2397	5	's	's	POS
39142	2397	6	,	,	,
39142	2397	7	generally	generally	RB
39142	2397	8	bear	bear	VBP
39142	2397	9	the	the	DT
39142	2397	10	name	name	NN
39142	2397	11	of	of	IN
39142	2397	12	their	-PRON-	PRP$
39142	2397	13	discoverer	discoverer	NN
39142	2397	14	,	,	,
39142	2397	15	as	as	IN
39142	2397	16	Donati	Donati	NNP
39142	2397	17	(	(	-LRB-
39142	2397	18	1858	1858	CD
39142	2397	19	)	)	-RRB-
39142	2397	20	,	,	,
39142	2397	21	and	and	CC
39142	2397	22	Pons	Pons	NNP
39142	2397	23	-	-	HYPH
39142	2397	24	Brooks	Brooks	NNP
39142	2397	25	(	(	-LRB-
39142	2397	26	1893	1893	CD
39142	2397	27	)	)	-RRB-
39142	2397	28	.	.	.
39142	2398	1	Pons	Pons	NNP
39142	2398	2	was	be	VBD
39142	2398	3	a	a	DT
39142	2398	4	very	very	RB
39142	2398	5	active	active	JJ
39142	2398	6	discoverer	discoverer	NN
39142	2398	7	of	of	IN
39142	2398	8	comets	comet	NNS
39142	2398	9	in	in	IN
39142	2398	10	France	France	NNP
39142	2398	11	early	early	RB
39142	2398	12	in	in	IN
39142	2398	13	the	the	DT
39142	2398	14	nineteenth	nineteenth	JJ
39142	2398	15	century	century	NN
39142	2398	16	:	:	:
39142	2398	17	he	-PRON-	PRP
39142	2398	18	was	be	VBD
39142	2398	19	a	a	DT
39142	2398	20	doorkeeper	doorkeeper	NN
39142	2398	21	at	at	IN
39142	2398	22	the	the	DT
39142	2398	23	observatory	observatory	NN
39142	2398	24	of	of	IN
39142	2398	25	Marseilles	Marseilles	NNPS
39142	2398	26	,	,	,
39142	2398	27	and	and	CC
39142	2398	28	his	-PRON-	PRP$
39142	2398	29	name	name	NN
39142	2398	30	is	be	VBZ
39142	2398	31	now	now	RB
39142	2398	32	more	more	RBR
39142	2398	33	famous	famous	JJ
39142	2398	34	in	in	IN
39142	2398	35	astronomy	astronomy	NN
39142	2398	36	than	than	IN
39142	2398	37	that	that	DT
39142	2398	38	of	of	IN
39142	2398	39	Thulis	Thulis	NNP
39142	2398	40	,	,	,
39142	2398	41	then	then	RB
39142	2398	42	the	the	DT
39142	2398	43	director	director	NN
39142	2398	44	of	of	IN
39142	2398	45	the	the	DT
39142	2398	46	Observatory	Observatory	NNP
39142	2398	47	,	,	,
39142	2398	48	who	who	WP
39142	2398	49	taught	teach	VBD
39142	2398	50	and	and	CC
39142	2398	51	encouraged	encourage	VBD
39142	2398	52	him	-PRON-	PRP
39142	2398	53	.	.	.
39142	2399	1	Messier	Messier	NNP
39142	2399	2	was	be	VBD
39142	2399	3	another	another	DT
39142	2399	4	very	very	RB
39142	2399	5	successful	successful	JJ
39142	2399	6	discoverer	discoverer	NN
39142	2399	7	of	of	IN
39142	2399	8	comets	comet	NNS
39142	2399	9	in	in	IN
39142	2399	10	France	France	NNP
39142	2399	11	,	,	,
39142	2399	12	and	and	CC
39142	2399	13	in	in	IN
39142	2399	14	America	America	NNP
39142	2399	15	we	-PRON-	PRP
39142	2399	16	have	have	VBP
39142	2399	17	had	have	VBN
39142	2399	18	many	many	JJ
39142	2399	19	:	:	:
39142	2399	20	Swift	Swift	NNP
39142	2399	21	,	,	,
39142	2399	22	Brooks	Brooks	NNP
39142	2399	23	,	,	,
39142	2399	24	and	and	CC
39142	2399	25	Barnard	Barnard	NNP
39142	2399	26	the	the	DT
39142	2399	27	most	most	RBS
39142	2399	28	successful	successful	JJ
39142	2399	29	.	.	.
39142	2400	1	How	how	WRB
39142	2400	2	bright	bright	JJ
39142	2400	3	a	a	DT
39142	2400	4	comet	comet	NN
39142	2400	5	will	will	MD
39142	2400	6	be	be	VB
39142	2400	7	and	and	CC
39142	2400	8	how	how	WRB
39142	2400	9	long	long	RB
39142	2400	10	it	-PRON-	PRP
39142	2400	11	will	will	MD
39142	2400	12	be	be	VB
39142	2400	13	visible	visible	JJ
39142	2400	14	depends	depend	VBZ
39142	2400	15	upon	upon	IN
39142	2400	16	many	many	JJ
39142	2400	17	conditions	condition	NNS
39142	2400	18	.	.	.
39142	2401	1	So	so	RB
39142	2401	2	the	the	DT
39142	2401	3	comets	comet	NNS
39142	2401	4	vary	vary	VBP
39142	2401	5	much	much	JJ
39142	2401	6	in	in	IN
39142	2401	7	these	these	DT
39142	2401	8	respects	respect	NNS
39142	2401	9	.	.	.
39142	2402	1	The	the	DT
39142	2402	2	first	first	JJ
39142	2402	3	comet	comet	NN
39142	2402	4	of	of	IN
39142	2402	5	1811	1811	CD
39142	2402	6	was	be	VBD
39142	2402	7	under	under	IN
39142	2402	8	observation	observation	NN
39142	2402	9	for	for	IN
39142	2402	10	nearly	nearly	RB
39142	2402	11	a	a	DT
39142	2402	12	year	year	NN
39142	2402	13	and	and	CC
39142	2402	14	a	a	DT
39142	2402	15	half	half	NN
39142	2402	16	,	,	,
39142	2402	17	the	the	DT
39142	2402	18	longest	long	JJS
39142	2402	19	on	on	IN
39142	2402	20	record	record	NN
39142	2402	21	till	till	IN
39142	2402	22	Halley	Halley	NNP
39142	2402	23	's	's	POS
39142	2402	24	in	in	IN
39142	2402	25	1910	1910	CD
39142	2402	26	.	.	.
39142	2403	1	In	in	IN
39142	2403	2	case	case	NN
39142	2403	3	a	a	DT
39142	2403	4	comet	comet	NN
39142	2403	5	eludes	elude	NNS
39142	2403	6	discovery	discovery	NN
39142	2403	7	and	and	CC
39142	2403	8	observation	observation	NN
39142	2403	9	until	until	IN
39142	2403	10	it	-PRON-	PRP
39142	2403	11	has	have	VBZ
39142	2403	12	passed	pass	VBN
39142	2403	13	its	-PRON-	PRP$
39142	2403	14	perihelion	perihelion	NN
39142	2403	15	,	,	,
39142	2403	16	or	or	CC
39142	2403	17	nearest	near	JJS
39142	2403	18	point	point	NN
39142	2403	19	to	to	IN
39142	2403	20	the	the	DT
39142	2403	21	sun	sun	NN
39142	2403	22	,	,	,
39142	2403	23	its	-PRON-	PRP$
39142	2403	24	period	period	NN
39142	2403	25	of	of	IN
39142	2403	26	visibility	visibility	NN
39142	2403	27	may	may	MD
39142	2403	28	be	be	VB
39142	2403	29	reduced	reduce	VBN
39142	2403	30	to	to	IN
39142	2403	31	a	a	DT
39142	2403	32	few	few	JJ
39142	2403	33	weeks	week	NNS
39142	2403	34	only	only	RB
39142	2403	35	.	.	.
39142	2404	1	The	the	DT
39142	2404	2	brightest	bright	JJS
39142	2404	3	comets	comet	NNS
39142	2404	4	on	on	IN
39142	2404	5	record	record	NN
39142	2404	6	were	be	VBD
39142	2404	7	visible	visible	JJ
39142	2404	8	in	in	IN
39142	2404	9	1843	1843	CD
39142	2404	10	and	and	CC
39142	2404	11	1882	1882	CD
39142	2404	12	:	:	:
39142	2404	13	so	so	RB
39142	2404	14	brilliant	brilliant	JJ
39142	2404	15	were	be	VBD
39142	2404	16	they	-PRON-	PRP
39142	2404	17	that	that	IN
39142	2404	18	even	even	RB
39142	2404	19	the	the	DT
39142	2404	20	effulgence	effulgence	NN
39142	2404	21	of	of	IN
39142	2404	22	full	full	JJ
39142	2404	23	daylight	daylight	NN
39142	2404	24	did	do	VBD
39142	2404	25	not	not	RB
39142	2404	26	overpower	overpower	VB
39142	2404	27	them	-PRON-	PRP
39142	2404	28	.	.	.
39142	2405	1	In	in	IN
39142	2405	2	particular	particular	JJ
39142	2405	3	the	the	DT
39142	2405	4	comet	comet	NN
39142	2405	5	of	of	IN
39142	2405	6	1843	1843	CD
39142	2405	7	was	be	VBD
39142	2405	8	not	not	RB
39142	2405	9	only	only	RB
39142	2405	10	excessively	excessively	RB
39142	2405	11	bright	bright	JJ
39142	2405	12	,	,	,
39142	2405	13	but	but	CC
39142	2405	14	at	at	IN
39142	2405	15	its	-PRON-	PRP$
39142	2405	16	nearest	near	JJS
39142	2405	17	approach	approach	NN
39142	2405	18	to	to	IN
39142	2405	19	the	the	DT
39142	2405	20	earth	earth	NN
39142	2405	21	its	-PRON-	PRP$
39142	2405	22	tail	tail	NN
39142	2405	23	swept	sweep	VBD
39142	2405	24	all	all	PDT
39142	2405	25	the	the	DT
39142	2405	26	way	way	NN
39142	2405	27	across	across	IN
39142	2405	28	the	the	DT
39142	2405	29	sky	sky	NN
39142	2405	30	from	from	IN
39142	2405	31	one	one	CD
39142	2405	32	horizon	horizon	NN
39142	2405	33	to	to	IN
39142	2405	34	the	the	DT
39142	2405	35	other	other	JJ
39142	2405	36	.	.	.
39142	2406	1	It	-PRON-	PRP
39142	2406	2	must	must	MD
39142	2406	3	have	have	VB
39142	2406	4	looked	look	VBN
39142	2406	5	very	very	RB
39142	2406	6	much	much	RB
39142	2406	7	like	like	IN
39142	2406	8	the	the	DT
39142	2406	9	straight	straight	JJ
39142	2406	10	beam	beam	NN
39142	2406	11	of	of	IN
39142	2406	12	an	an	DT
39142	2406	13	enormous	enormous	JJ
39142	2406	14	searchlight	searchlight	NN
39142	2406	15	,	,	,
39142	2406	16	though	though	IN
39142	2406	17	very	very	RB
39142	2406	18	much	much	RB
39142	2406	19	brighter	bright	JJR
39142	2406	20	.	.	.
39142	2407	1	The	the	DT
39142	2407	2	tails	tail	NNS
39142	2407	3	of	of	IN
39142	2407	4	comets	comet	NNS
39142	2407	5	are	be	VBP
39142	2407	6	to	to	IN
39142	2407	7	the	the	DT
39142	2407	8	naked	naked	JJ
39142	2407	9	eye	eye	NN
39142	2407	10	the	the	DT
39142	2407	11	most	most	RBS
39142	2407	12	compelling	compelling	JJ
39142	2407	13	thing	thing	NN
39142	2407	14	about	about	IN
39142	2407	15	them	-PRON-	PRP
39142	2407	16	,	,	,
39142	2407	17	and	and	CC
39142	2407	18	to	to	IN
39142	2407	19	the	the	DT
39142	2407	20	ancient	ancient	JJ
39142	2407	21	peoples	people	NNS
39142	2407	22	they	-PRON-	PRP
39142	2407	23	were	be	VBD
39142	2407	24	naturally	naturally	RB
39142	2407	25	most	most	RBS
39142	2407	26	terrifying	terrifying	JJ
39142	2407	27	.	.	.
39142	2408	1	Their	-PRON-	PRP$
39142	2408	2	tails	tail	NNS
39142	2408	3	are	be	VBP
39142	2408	4	not	not	RB
39142	2408	5	only	only	RB
39142	2408	6	curved	curved	JJ
39142	2408	7	,	,	,
39142	2408	8	but	but	CC
39142	2408	9	sometimes	sometimes	RB
39142	2408	10	curved	curve	VBN
39142	2408	11	with	with	IN
39142	2408	12	varying	vary	VBG
39142	2408	13	degrees	degree	NNS
39142	2408	14	of	of	IN
39142	2408	15	curvature	curvature	NN
39142	2408	16	,	,	,
39142	2408	17	and	and	CC
39142	2408	18	this	this	DT
39142	2408	19	circumstance	circumstance	NN
39142	2408	20	adds	add	VBZ
39142	2408	21	to	to	IN
39142	2408	22	their	-PRON-	PRP$
39142	2408	23	weirdness	weirdness	NN
39142	2408	24	of	of	IN
39142	2408	25	appearance	appearance	NN
39142	2408	26	.	.	.
39142	2409	1	If	if	IN
39142	2409	2	we	-PRON-	PRP
39142	2409	3	examine	examine	VBP
39142	2409	4	the	the	DT
39142	2409	5	tail	tail	NN
39142	2409	6	of	of	IN
39142	2409	7	a	a	DT
39142	2409	8	comet	comet	NN
39142	2409	9	with	with	IN
39142	2409	10	a	a	DT
39142	2409	11	telescope	telescope	NN
39142	2409	12	,	,	,
39142	2409	13	it	-PRON-	PRP
39142	2409	14	vanishes	vanish	VBZ
39142	2409	15	as	as	IN
39142	2409	16	if	if	IN
39142	2409	17	there	there	EX
39142	2409	18	were	be	VBD
39142	2409	19	nothing	nothing	NN
39142	2409	20	to	to	IN
39142	2409	21	it	-PRON-	PRP
39142	2409	22	:	:	:
39142	2409	23	as	as	RB
39142	2409	24	indeed	indeed	RB
39142	2409	25	one	one	PRP
39142	2409	26	may	may	MD
39142	2409	27	almost	almost	RB
39142	2409	28	say	say	VB
39142	2409	29	there	there	EX
39142	2409	30	is	be	VBZ
39142	2409	31	not	not	RB
39142	2409	32	.	.	.
39142	2410	1	Ordinarily	ordinarily	RB
39142	2410	2	,	,	,
39142	2410	3	only	only	RB
39142	2410	4	the	the	DT
39142	2410	5	head	head	NN
39142	2410	6	of	of	IN
39142	2410	7	the	the	DT
39142	2410	8	comet	comet	NN
39142	2410	9	is	be	VBZ
39142	2410	10	of	of	IN
39142	2410	11	interest	interest	NN
39142	2410	12	in	in	IN
39142	2410	13	the	the	DT
39142	2410	14	telescope	telescope	NN
39142	2410	15	.	.	.
39142	2411	1	When	when	WRB
39142	2411	2	first	first	RB
39142	2411	3	seen	see	VBN
39142	2411	4	there	there	EX
39142	2411	5	is	be	VBZ
39142	2411	6	usually	usually	RB
39142	2411	7	nothing	nothing	NN
39142	2411	8	but	but	IN
39142	2411	9	the	the	DT
39142	2411	10	head	head	NN
39142	2411	11	visible	visible	JJ
39142	2411	12	,	,	,
39142	2411	13	and	and	CC
39142	2411	14	that	that	DT
39142	2411	15	is	be	VBZ
39142	2411	16	made	make	VBN
39142	2411	17	up	up	RP
39142	2411	18	of	of	IN
39142	2411	19	portions	portion	NNS
39142	2411	20	which	which	WDT
39142	2411	21	develop	develop	VBP
39142	2411	22	more	more	RBR
39142	2411	23	or	or	CC
39142	2411	24	less	less	RBR
39142	2411	25	rapidly	rapidly	RB
39142	2411	26	,	,	,
39142	2411	27	presenting	present	VBG
39142	2411	28	a	a	DT
39142	2411	29	succession	succession	NN
39142	2411	30	of	of	IN
39142	2411	31	phenomena	phenomenon	NNS
39142	2411	32	quite	quite	RB
39142	2411	33	different	different	JJ
39142	2411	34	in	in	IN
39142	2411	35	different	different	JJ
39142	2411	36	comets	comet	NNS
39142	2411	37	.	.	.
39142	2412	1	When	when	WRB
39142	2412	2	first	first	RB
39142	2412	3	discovered	discover	VBD
39142	2412	4	a	a	DT
39142	2412	5	comet	comet	NN
39142	2412	6	is	be	VBZ
39142	2412	7	usually	usually	RB
39142	2412	8	at	at	IN
39142	2412	9	a	a	DT
39142	2412	10	great	great	JJ
39142	2412	11	distance	distance	NN
39142	2412	12	from	from	IN
39142	2412	13	the	the	DT
39142	2412	14	sun	sun	NN
39142	2412	15	,	,	,
39142	2412	16	about	about	IN
39142	2412	17	the	the	DT
39142	2412	18	distance	distance	NN
39142	2412	19	of	of	IN
39142	2412	20	Jupiter	Jupiter	NNP
39142	2412	21	;	;	:
39142	2412	22	and	and	CC
39142	2412	23	we	-PRON-	PRP
39142	2412	24	see	see	VBP
39142	2412	25	it	-PRON-	PRP
39142	2412	26	,	,	,
39142	2412	27	not	not	RB
39142	2412	28	as	as	IN
39142	2412	29	we	-PRON-	PRP
39142	2412	30	do	do	VBP
39142	2412	31	the	the	DT
39142	2412	32	planets	planet	NNS
39142	2412	33	,	,	,
39142	2412	34	by	by	IN
39142	2412	35	sunlight	sunlight	NN
39142	2412	36	reflected	reflect	VBN
39142	2412	37	from	from	IN
39142	2412	38	them	-PRON-	PRP
39142	2412	39	,	,	,
39142	2412	40	but	but	CC
39142	2412	41	by	by	IN
39142	2412	42	the	the	DT
39142	2412	43	comet	comet	NN
39142	2412	44	's	's	POS
39142	2412	45	own	own	JJ
39142	2412	46	light	light	NN
39142	2412	47	.	.	.
39142	2413	1	This	this	DT
39142	2413	2	is	be	VBZ
39142	2413	3	at	at	IN
39142	2413	4	that	that	DT
39142	2413	5	time	time	NN
39142	2413	6	very	very	RB
39142	2413	7	faint	faint	JJ
39142	2413	8	,	,	,
39142	2413	9	and	and	CC
39142	2413	10	nearly	nearly	RB
39142	2413	11	all	all	DT
39142	2413	12	comets	comet	NNS
39142	2413	13	at	at	IN
39142	2413	14	such	such	PDT
39142	2413	15	a	a	DT
39142	2413	16	distance	distance	NN
39142	2413	17	look	look	VB
39142	2413	18	alike	alike	RB
39142	2413	19	:	:	:
39142	2413	20	small	small	JJ
39142	2413	21	roundish	roundish	JJ
39142	2413	22	hazy	hazy	NN
39142	2413	23	patches	patch	NNS
39142	2413	24	of	of	IN
39142	2413	25	faint	faint	JJ
39142	2413	26	,	,	,
39142	2413	27	cloudlike	cloudlike	NN
39142	2413	28	light	light	NN
39142	2413	29	,	,	,
39142	2413	30	with	with	IN
39142	2413	31	very	very	RB
39142	2413	32	often	often	RB
39142	2413	33	a	a	DT
39142	2413	34	concentration	concentration	NN
39142	2413	35	toward	toward	IN
39142	2413	36	the	the	DT
39142	2413	37	center	center	NN
39142	2413	38	called	call	VBN
39142	2413	39	the	the	DT
39142	2413	40	nucleus	nucleus	NN
39142	2413	41	,	,	,
39142	2413	42	on	on	IN
39142	2413	43	the	the	DT
39142	2413	44	average	average	NN
39142	2413	45	about	about	RB
39142	2413	46	4,000	4,000	CD
39142	2413	47	miles	mile	NNS
39142	2413	48	in	in	IN
39142	2413	49	diameter	diameter	NN
39142	2413	50	.	.	.
39142	2414	1	Approach	approach	NN
39142	2414	2	toward	toward	IN
39142	2414	3	the	the	DT
39142	2414	4	sun	sun	NN
39142	2414	5	brightens	brighten	VBZ
39142	2414	6	up	up	RP
39142	2414	7	the	the	DT
39142	2414	8	comet	comet	NN
39142	2414	9	more	more	RBR
39142	2414	10	and	and	CC
39142	2414	11	more	more	RBR
39142	2414	12	,	,	,
39142	2414	13	and	and	CC
39142	2414	14	the	the	DT
39142	2414	15	nucleus	nucleus	NN
39142	2414	16	usually	usually	RB
39142	2414	17	becomes	become	VBZ
39142	2414	18	very	very	RB
39142	2414	19	much	much	RB
39142	2414	20	brighter	bright	JJR
39142	2414	21	and	and	CC
39142	2414	22	more	more	RBR
39142	2414	23	starlike	starlike	JJ
39142	2414	24	.	.	.
39142	2415	1	Then	then	RB
39142	2415	2	on	on	IN
39142	2415	3	the	the	DT
39142	2415	4	sunward	sunward	JJ
39142	2415	5	side	side	NN
39142	2415	6	of	of	IN
39142	2415	7	the	the	DT
39142	2415	8	nucleus	nucleus	NN
39142	2415	9	,	,	,
39142	2415	10	jetlike	jetlike	NNP
39142	2415	11	streamers	streamer	NNS
39142	2415	12	or	or	CC
39142	2415	13	envelopes	envelope	NNS
39142	2415	14	appear	appear	VBP
39142	2415	15	to	to	TO
39142	2415	16	be	be	VB
39142	2415	17	thrown	throw	VBN
39142	2415	18	off	off	RP
39142	2415	19	,	,	,
39142	2415	20	often	often	RB
39142	2415	21	as	as	IN
39142	2415	22	if	if	IN
39142	2415	23	in	in	IN
39142	2415	24	parallel	parallel	JJ
39142	2415	25	curved	curved	JJ
39142	2415	26	strata	strata	NN
39142	2415	27	,	,	,
39142	2415	28	or	or	CC
39142	2415	29	concentrically	concentrically	RB
39142	2415	30	.	.	.
39142	2416	1	As	as	IN
39142	2416	2	they	-PRON-	PRP
39142	2416	3	expand	expand	VBP
39142	2416	4	and	and	CC
39142	2416	5	move	move	VBP
39142	2416	6	outward	outward	RB
39142	2416	7	from	from	IN
39142	2416	8	the	the	DT
39142	2416	9	nucleus	nucleus	NN
39142	2416	10	,	,	,
39142	2416	11	these	these	DT
39142	2416	12	envelopes	envelope	NNS
39142	2416	13	grow	grow	VBP
39142	2416	14	fainter	fainter	NN
39142	2416	15	and	and	CC
39142	2416	16	are	be	VBP
39142	2416	17	finally	finally	RB
39142	2416	18	merged	merge	VBN
39142	2416	19	in	in	IN
39142	2416	20	the	the	DT
39142	2416	21	general	general	JJ
39142	2416	22	nebulosity	nebulosity	NN
39142	2416	23	known	know	VBN
39142	2416	24	as	as	IN
39142	2416	25	the	the	DT
39142	2416	26	comet	comet	NN
39142	2416	27	's	's	POS
39142	2416	28	head	head	NN
39142	2416	29	,	,	,
39142	2416	30	which	which	WDT
39142	2416	31	is	be	VBZ
39142	2416	32	anywhere	anywhere	RB
39142	2416	33	from	from	IN
39142	2416	34	30,000	30,000	CD
39142	2416	35	to	to	TO
39142	2416	36	100,000	100,000	CD
39142	2416	37	miles	mile	NNS
39142	2416	38	in	in	IN
39142	2416	39	diameter	diameter	NN
39142	2416	40	.	.	.
39142	2417	1	As	as	IN
39142	2417	2	a	a	DT
39142	2417	3	rule	rule	NN
39142	2417	4	,	,	,
39142	2417	5	this	this	DT
39142	2417	6	is	be	VBZ
39142	2417	7	an	an	DT
39142	2417	8	orderly	orderly	JJ
39142	2417	9	development	development	NN
39142	2417	10	which	which	WDT
39142	2417	11	can	can	MD
39142	2417	12	be	be	VB
39142	2417	13	watched	watch	VBN
39142	2417	14	in	in	IN
39142	2417	15	the	the	DT
39142	2417	16	telescope	telescope	NN
39142	2417	17	from	from	IN
39142	2417	18	hour	hour	NN
39142	2417	19	to	to	IN
39142	2417	20	hour	hour	NN
39142	2417	21	and	and	CC
39142	2417	22	from	from	IN
39142	2417	23	night	night	NN
39142	2417	24	to	to	IN
39142	2417	25	night	night	NN
39142	2417	26	;	;	:
39142	2417	27	but	but	CC
39142	2417	28	occasionally	occasionally	RB
39142	2417	29	a	a	DT
39142	2417	30	cometary	cometary	JJ
39142	2417	31	visitor	visitor	NN
39142	2417	32	is	be	VBZ
39142	2417	33	quite	quite	PDT
39142	2417	34	a	a	DT
39142	2417	35	law	law	NN
39142	2417	36	to	to	IN
39142	2417	37	itself	-PRON-	PRP
39142	2417	38	in	in	IN
39142	2417	39	development	development	NN
39142	2417	40	,	,	,
39142	2417	41	presenting	present	VBG
39142	2417	42	a	a	DT
39142	2417	43	fascinating	fascinating	JJ
39142	2417	44	succession	succession	NN
39142	2417	45	of	of	IN
39142	2417	46	unpredictable	unpredictable	JJ
39142	2417	47	surprises	surprise	NNS
39142	2417	48	.	.	.
39142	2418	1	Then	then	RB
39142	2418	2	follows	follow	VBZ
39142	2418	3	the	the	DT
39142	2418	4	development	development	NN
39142	2418	5	of	of	IN
39142	2418	6	the	the	DT
39142	2418	7	comet	comet	NN
39142	2418	8	's	's	POS
39142	2418	9	tail	tail	NN
39142	2418	10	,	,	,
39142	2418	11	perhaps	perhaps	RB
39142	2418	12	more	more	RBR
39142	2418	13	striking	striking	JJ
39142	2418	14	than	than	IN
39142	2418	15	anything	anything	NN
39142	2418	16	that	that	WDT
39142	2418	17	has	have	VBZ
39142	2418	18	preceded	precede	VBN
39142	2418	19	it	-PRON-	PRP
39142	2418	20	.	.	.
39142	2419	1	Here	here	RB
39142	2419	2	a	a	DT
39142	2419	3	genuine	genuine	JJ
39142	2419	4	repulsion	repulsion	NN
39142	2419	5	from	from	IN
39142	2419	6	the	the	DT
39142	2419	7	sun	sun	NN
39142	2419	8	appears	appear	VBZ
39142	2419	9	to	to	TO
39142	2419	10	come	come	VB
39142	2419	11	into	into	IN
39142	2419	12	play	play	NN
39142	2419	13	.	.	.
39142	2420	1	It	-PRON-	PRP
39142	2420	2	may	may	MD
39142	2420	3	be	be	VB
39142	2420	4	an	an	DT
39142	2420	5	electrical	electrical	JJ
39142	2420	6	repulsion	repulsion	NN
39142	2420	7	.	.	.
39142	2421	1	Much	much	JJ
39142	2421	2	of	of	IN
39142	2421	3	the	the	DT
39142	2421	4	material	material	NN
39142	2421	5	projected	project	VBN
39142	2421	6	from	from	IN
39142	2421	7	the	the	DT
39142	2421	8	comet	comet	NN
39142	2421	9	's	's	POS
39142	2421	10	nucleus	nucleus	NN
39142	2421	11	,	,	,
39142	2421	12	seems	seem	VBZ
39142	2421	13	to	to	TO
39142	2421	14	be	be	VB
39142	2421	15	driven	drive	VBN
39142	2421	16	backward	backward	JJ
39142	2421	17	or	or	CC
39142	2421	18	repelled	repel	VBN
39142	2421	19	by	by	IN
39142	2421	20	the	the	DT
39142	2421	21	sun	sun	NN
39142	2421	22	,	,	,
39142	2421	23	and	and	CC
39142	2421	24	it	-PRON-	PRP
39142	2421	25	is	be	VBZ
39142	2421	26	this	this	DT
39142	2421	27	that	that	WDT
39142	2421	28	goes	go	VBZ
39142	2421	29	to	to	TO
39142	2421	30	form	form	VB
39142	2421	31	the	the	DT
39142	2421	32	tail	tail	NN
39142	2421	33	.	.	.
39142	2422	1	The	the	DT
39142	2422	2	particles	particle	NNS
39142	2422	3	which	which	WDT
39142	2422	4	form	form	VBP
39142	2422	5	the	the	DT
39142	2422	6	tail	tail	NN
39142	2422	7	then	then	RB
39142	2422	8	travel	travel	VBP
39142	2422	9	in	in	IN
39142	2422	10	modified	modify	VBN
39142	2422	11	paths	path	NNS
39142	2422	12	which	which	WDT
39142	2422	13	nevertheless	nevertheless	RB
39142	2422	14	can	can	MD
39142	2422	15	be	be	VB
39142	2422	16	calculated	calculate	VBN
39142	2422	17	.	.	.
39142	2423	1	The	the	DT
39142	2423	2	tail	tail	NN
39142	2423	3	is	be	VBZ
39142	2423	4	made	make	VBN
39142	2423	5	up	up	RP
39142	2423	6	of	of	IN
39142	2423	7	these	these	DT
39142	2423	8	luminous	luminous	JJ
39142	2423	9	particles	particle	NNS
39142	2423	10	and	and	CC
39142	2423	11	it	-PRON-	PRP
39142	2423	12	expands	expand	VBZ
39142	2423	13	in	in	IN
39142	2423	14	space	space	NN
39142	2423	15	much	much	RB
39142	2423	16	in	in	IN
39142	2423	17	the	the	DT
39142	2423	18	form	form	NN
39142	2423	19	of	of	IN
39142	2423	20	a	a	DT
39142	2423	21	hollow	hollow	JJ
39142	2423	22	,	,	,
39142	2423	23	horn	horn	NN
39142	2423	24	-	-	HYPH
39142	2423	25	shaped	shape	VBN
39142	2423	26	cone	cone	NN
39142	2423	27	,	,	,
39142	2423	28	the	the	DT
39142	2423	29	nucleus	nucleus	NN
39142	2423	30	being	be	VBG
39142	2423	31	near	near	IN
39142	2423	32	the	the	DT
39142	2423	33	tip	tip	NN
39142	2423	34	of	of	IN
39142	2423	35	the	the	DT
39142	2423	36	horn	horn	NN
39142	2423	37	.	.	.
39142	2424	1	Some	some	DT
39142	2424	2	comets	comet	NNS
39142	2424	3	possess	possess	VBP
39142	2424	4	multiple	multiple	JJ
39142	2424	5	tails	tail	NNS
39142	2424	6	with	with	IN
39142	2424	7	different	different	JJ
39142	2424	8	degrees	degree	NNS
39142	2424	9	of	of	IN
39142	2424	10	curvature	curvature	NN
39142	2424	11	,	,	,
39142	2424	12	Donati	Donati	NNP
39142	2424	13	's	's	POS
39142	2424	14	for	for	IN
39142	2424	15	example	example	NN
39142	2424	16	.	.	.
39142	2425	1	Usually	usually	RB
39142	2425	2	there	there	EX
39142	2425	3	is	be	VBZ
39142	2425	4	a	a	DT
39142	2425	5	nearly	nearly	RB
39142	2425	6	straight	straight	JJ
39142	2425	7	central	central	JJ
39142	2425	8	dark	dark	JJ
39142	2425	9	space	space	NN
39142	2425	10	,	,	,
39142	2425	11	marking	mark	VBG
39142	2425	12	the	the	DT
39142	2425	13	axis	axi	NNS
39142	2425	14	of	of	IN
39142	2425	15	the	the	DT
39142	2425	16	comet	comet	NN
39142	2425	17	,	,	,
39142	2425	18	and	and	CC
39142	2425	19	following	follow	VBG
39142	2425	20	the	the	DT
39142	2425	21	nucleus	nucleus	NN
39142	2425	22	.	.	.
39142	2426	1	But	but	CC
39142	2426	2	occasionally	occasionally	RB
39142	2426	3	this	this	DT
39142	2426	4	is	be	VBZ
39142	2426	5	replaced	replace	VBN
39142	2426	6	by	by	IN
39142	2426	7	a	a	DT
39142	2426	8	thin	thin	JJ
39142	2426	9	light	light	NN
39142	2426	10	streak	streak	VBP
39142	2426	11	very	very	RB
39142	2426	12	much	much	RB
39142	2426	13	less	less	JJR
39142	2426	14	in	in	IN
39142	2426	15	breadth	breadth	NN
39142	2426	16	than	than	IN
39142	2426	17	the	the	DT
39142	2426	18	diameter	diameter	NN
39142	2426	19	of	of	IN
39142	2426	20	the	the	DT
39142	2426	21	head	head	NN
39142	2426	22	.	.	.
39142	2427	1	Cometary	cometary	NN
39142	2427	2	tails	tail	NNS
39142	2427	3	are	be	VBP
39142	2427	4	sometimes	sometimes	RB
39142	2427	5	100	100	CD
39142	2427	6	million	million	CD
39142	2427	7	miles	mile	NNS
39142	2427	8	in	in	IN
39142	2427	9	length	length	NN
39142	2427	10	.	.	.
39142	2428	1	Three	three	CD
39142	2428	2	different	different	JJ
39142	2428	3	types	type	NNS
39142	2428	4	of	of	IN
39142	2428	5	cometary	cometary	NN
39142	2428	6	tails	tail	NNS
39142	2428	7	are	be	VBP
39142	2428	8	recognized	recognize	VBN
39142	2428	9	.	.	.
39142	2429	1	First	first	RB
39142	2429	2	,	,	,
39142	2429	3	the	the	DT
39142	2429	4	long	long	JJ
39142	2429	5	straight	straight	JJ
39142	2429	6	ones	one	NNS
39142	2429	7	,	,	,
39142	2429	8	apparently	apparently	RB
39142	2429	9	made	make	VBN
39142	2429	10	up	up	RP
39142	2429	11	of	of	IN
39142	2429	12	matter	matter	NN
39142	2429	13	repelled	repel	VBN
39142	2429	14	by	by	IN
39142	2429	15	the	the	DT
39142	2429	16	sun	sun	NN
39142	2429	17	twelve	twelve	CD
39142	2429	18	to	to	IN
39142	2429	19	fifteen	fifteen	CD
39142	2429	20	times	time	NNS
39142	2429	21	more	more	RBR
39142	2429	22	powerfully	powerfully	RB
39142	2429	23	than	than	IN
39142	2429	24	gravitation	gravitation	NN
39142	2429	25	attracts	attract	VBZ
39142	2429	26	it	-PRON-	PRP
39142	2429	27	.	.	.
39142	2430	1	Such	such	JJ
39142	2430	2	particles	particle	NNS
39142	2430	3	must	must	MD
39142	2430	4	be	be	VB
39142	2430	5	brushed	brush	VBN
39142	2430	6	away	away	RB
39142	2430	7	from	from	IN
39142	2430	8	the	the	DT
39142	2430	9	comet	comet	NN
39142	2430	10	's	's	POS
39142	2430	11	head	head	NN
39142	2430	12	with	with	IN
39142	2430	13	a	a	DT
39142	2430	14	velocity	velocity	NN
39142	2430	15	of	of	IN
39142	2430	16	perhaps	perhaps	RB
39142	2430	17	five	five	CD
39142	2430	18	miles	mile	NNS
39142	2430	19	a	a	DT
39142	2430	20	second	second	NN
39142	2430	21	,	,	,
39142	2430	22	and	and	CC
39142	2430	23	their	-PRON-	PRP$
39142	2430	24	speed	speed	NN
39142	2430	25	is	be	VBZ
39142	2430	26	continually	continually	RB
39142	2430	27	increasing	increase	VBG
39142	2430	28	.	.	.
39142	2431	1	Probably	probably	RB
39142	2431	2	these	these	DT
39142	2431	3	straight	straight	JJ
39142	2431	4	tails	tail	NNS
39142	2431	5	are	be	VBP
39142	2431	6	due	due	JJ
39142	2431	7	to	to	IN
39142	2431	8	hydrogen	hydrogen	NN
39142	2431	9	.	.	.
39142	2432	1	The	the	DT
39142	2432	2	second	second	JJ
39142	2432	3	type	type	NN
39142	2432	4	tails	tail	NNS
39142	2432	5	are	be	VBP
39142	2432	6	somewhat	somewhat	RB
39142	2432	7	curved	curved	JJ
39142	2432	8	,	,	,
39142	2432	9	or	or	CC
39142	2432	10	plume	plume	NN
39142	2432	11	-	-	HYPH
39142	2432	12	like	like	JJ
39142	2432	13	,	,	,
39142	2432	14	and	and	CC
39142	2432	15	they	-PRON-	PRP
39142	2432	16	form	form	VBP
39142	2432	17	the	the	DT
39142	2432	18	most	most	RBS
39142	2432	19	common	common	JJ
39142	2432	20	type	type	NN
39142	2432	21	of	of	IN
39142	2432	22	cometary	cometary	NN
39142	2432	23	tail	tail	NN
39142	2432	24	.	.	.
39142	2433	1	In	in	IN
39142	2433	2	them	-PRON-	PRP
39142	2433	3	the	the	DT
39142	2433	4	sun	sun	NN
39142	2433	5	's	's	POS
39142	2433	6	repulsion	repulsion	NN
39142	2433	7	is	be	VBZ
39142	2433	8	perhaps	perhaps	RB
39142	2433	9	twice	twice	PDT
39142	2433	10	its	-PRON-	PRP$
39142	2433	11	gravitational	gravitational	JJ
39142	2433	12	attraction	attraction	NN
39142	2433	13	,	,	,
39142	2433	14	and	and	CC
39142	2433	15	hydrocarbons	hydrocarbon	NNS
39142	2433	16	in	in	IN
39142	2433	17	some	some	DT
39142	2433	18	form	form	NN
39142	2433	19	appear	appear	VBP
39142	2433	20	to	to	TO
39142	2433	21	be	be	VB
39142	2433	22	responsible	responsible	JJ
39142	2433	23	for	for	IN
39142	2433	24	tails	tail	NNS
39142	2433	25	of	of	IN
39142	2433	26	this	this	DT
39142	2433	27	character	character	NN
39142	2433	28	.	.	.
39142	2434	1	Then	then	RB
39142	2434	2	there	there	EX
39142	2434	3	is	be	VBZ
39142	2434	4	a	a	DT
39142	2434	5	third	third	JJ
39142	2434	6	type	type	NN
39142	2434	7	,	,	,
39142	2434	8	much	much	RB
39142	2434	9	less	less	RBR
39142	2434	10	often	often	RB
39142	2434	11	seen	see	VBN
39142	2434	12	,	,	,
39142	2434	13	short	short	JJ
39142	2434	14	and	and	CC
39142	2434	15	quickly	quickly	RB
39142	2434	16	curving	curve	VBG
39142	2434	17	,	,	,
39142	2434	18	probably	probably	RB
39142	2434	19	due	due	IN
39142	2434	20	to	to	IN
39142	2434	21	heavier	heavy	JJR
39142	2434	22	vapors	vapor	NNS
39142	2434	23	,	,	,
39142	2434	24	as	as	IN
39142	2434	25	of	of	IN
39142	2434	26	chlorine	chlorine	NN
39142	2434	27	,	,	,
39142	2434	28	or	or	CC
39142	2434	29	iron	iron	NN
39142	2434	30	,	,	,
39142	2434	31	or	or	CC
39142	2434	32	sodium	sodium	NN
39142	2434	33	,	,	,
39142	2434	34	in	in	IN
39142	2434	35	which	which	WDT
39142	2434	36	the	the	DT
39142	2434	37	repulsive	repulsive	JJ
39142	2434	38	force	force	NN
39142	2434	39	is	be	VBZ
39142	2434	40	only	only	RB
39142	2434	41	a	a	DT
39142	2434	42	small	small	JJ
39142	2434	43	fraction	fraction	NN
39142	2434	44	of	of	IN
39142	2434	45	that	that	DT
39142	2434	46	of	of	IN
39142	2434	47	gravitation	gravitation	NN
39142	2434	48	.	.	.
39142	2435	1	Many	many	JJ
39142	2435	2	features	feature	NNS
39142	2435	3	of	of	IN
39142	2435	4	this	this	DT
39142	2435	5	theory	theory	NN
39142	2435	6	of	of	IN
39142	2435	7	cometary	cometary	JJ
39142	2435	8	tails	tail	NNS
39142	2435	9	are	be	VBP
39142	2435	10	borne	bear	VBN
39142	2435	11	out	out	RP
39142	2435	12	by	by	IN
39142	2435	13	examination	examination	NN
39142	2435	14	of	of	IN
39142	2435	15	their	-PRON-	PRP$
39142	2435	16	light	light	NN
39142	2435	17	with	with	IN
39142	2435	18	the	the	DT
39142	2435	19	spectroscope	spectroscope	NN
39142	2435	20	,	,	,
39142	2435	21	although	although	IN
39142	2435	22	the	the	DT
39142	2435	23	investigation	investigation	NN
39142	2435	24	is	be	VBZ
39142	2435	25	as	as	RB
39142	2435	26	yet	yet	RB
39142	2435	27	fragmentary	fragmentary	JJ
39142	2435	28	.	.	.
39142	2436	1	It	-PRON-	PRP
39142	2436	2	is	be	VBZ
39142	2436	3	evident	evident	JJ
39142	2436	4	that	that	IN
39142	2436	5	the	the	DT
39142	2436	6	tail	tail	NN
39142	2436	7	of	of	IN
39142	2436	8	a	a	DT
39142	2436	9	comet	comet	NN
39142	2436	10	is	be	VBZ
39142	2436	11	formed	form	VBN
39142	2436	12	at	at	IN
39142	2436	13	the	the	DT
39142	2436	14	expense	expense	NN
39142	2436	15	of	of	IN
39142	2436	16	the	the	DT
39142	2436	17	substance	substance	NN
39142	2436	18	of	of	IN
39142	2436	19	the	the	DT
39142	2436	20	nucleus	nucleus	NN
39142	2436	21	and	and	CC
39142	2436	22	head	head	NN
39142	2436	23	;	;	:
39142	2436	24	so	so	IN
39142	2436	25	that	that	IN
39142	2436	26	the	the	DT
39142	2436	27	matter	matter	NN
39142	2436	28	repelled	repel	VBN
39142	2436	29	is	be	VBZ
39142	2436	30	forever	forever	RB
39142	2436	31	dissipated	dissipate	VBN
39142	2436	32	through	through	IN
39142	2436	33	the	the	DT
39142	2436	34	regions	region	NNS
39142	2436	35	of	of	IN
39142	2436	36	space	space	NN
39142	2436	37	which	which	WDT
39142	2436	38	the	the	DT
39142	2436	39	comet	comet	NN
39142	2436	40	has	have	VBZ
39142	2436	41	traveled	travel	VBN
39142	2436	42	.	.	.
39142	2437	1	Comets	comet	NNS
39142	2437	2	must	must	MD
39142	2437	3	lose	lose	VB
39142	2437	4	much	much	JJ
39142	2437	5	of	of	IN
39142	2437	6	their	-PRON-	PRP$
39142	2437	7	original	original	JJ
39142	2437	8	substance	substance	NN
39142	2437	9	every	every	DT
39142	2437	10	time	time	NN
39142	2437	11	they	-PRON-	PRP
39142	2437	12	return	return	VBP
39142	2437	13	to	to	IN
39142	2437	14	perihelion	perihelion	NN
39142	2437	15	.	.	.
39142	2438	1	Comets	comet	NNS
39142	2438	2	actually	actually	RB
39142	2438	3	age	age	VBP
39142	2438	4	,	,	,
39142	2438	5	therefore	therefore	RB
39142	2438	6	,	,	,
39142	2438	7	and	and	CC
39142	2438	8	grow	grow	VBP
39142	2438	9	less	less	RBR
39142	2438	10	and	and	CC
39142	2438	11	less	less	RBR
39142	2438	12	in	in	IN
39142	2438	13	magnitude	magnitude	NN
39142	2438	14	of	of	IN
39142	2438	15	material	material	NN
39142	2438	16	as	as	RB
39142	2438	17	well	well	RB
39142	2438	18	as	as	IN
39142	2438	19	brightness	brightness	NN
39142	2438	20	,	,	,
39142	2438	21	until	until	IN
39142	2438	22	they	-PRON-	PRP
39142	2438	23	are	be	VBP
39142	2438	24	at	at	IN
39142	2438	25	last	last	JJ
39142	2438	26	opaque	opaque	NN
39142	2438	27	,	,	,
39142	2438	28	nonluminous	nonluminous	JJ
39142	2438	29	bodies	body	NNS
39142	2438	30	which	which	WDT
39142	2438	31	it	-PRON-	PRP
39142	2438	32	becomes	become	VBZ
39142	2438	33	impossible	impossible	JJ
39142	2438	34	to	to	TO
39142	2438	35	follow	follow	VB
39142	2438	36	with	with	IN
39142	2438	37	the	the	DT
39142	2438	38	telescope	telescope	NN
39142	2438	39	.	.	.
39142	2439	1	CHAPTER	chapter	NN
39142	2439	2	XLI	XLI	NNP
39142	2439	3	WHERE	where	WRB
39142	2439	4	DO	do	VBP
39142	2439	5	COMETS	comet	NNS
39142	2439	6	COME	come	VB
39142	2439	7	FROM	from	IN
39142	2439	8	?	?	.
39142	2440	1	Where	where	WRB
39142	2440	2	do	do	VBP
39142	2440	3	comets	comet	NNS
39142	2440	4	come	come	VB
39142	2440	5	from	from	IN
39142	2440	6	?	?	.
39142	2441	1	The	the	DT
39142	2441	2	answer	answer	NN
39142	2441	3	to	to	IN
39142	2441	4	this	this	DT
39142	2441	5	question	question	NN
39142	2441	6	is	be	VBZ
39142	2441	7	not	not	RB
39142	2441	8	yet	yet	RB
39142	2441	9	fully	fully	RB
39142	2441	10	made	make	VBN
39142	2441	11	out	out	RP
39142	2441	12	.	.	.
39142	2442	1	Most	most	RBS
39142	2442	2	likely	likely	RB
39142	2442	3	they	-PRON-	PRP
39142	2442	4	have	have	VBP
39142	2442	5	not	not	RB
39142	2442	6	all	all	RB
39142	2442	7	had	have	VBN
39142	2442	8	a	a	DT
39142	2442	9	similar	similar	JJ
39142	2442	10	origin	origin	NN
39142	2442	11	,	,	,
39142	2442	12	and	and	CC
39142	2442	13	theories	theory	NNS
39142	2442	14	are	be	VBP
39142	2442	15	abundant	abundant	JJ
39142	2442	16	.	.	.
39142	2443	1	Apparently	apparently	RB
39142	2443	2	they	-PRON-	PRP
39142	2443	3	come	come	VBP
39142	2443	4	into	into	IN
39142	2443	5	the	the	DT
39142	2443	6	solar	solar	JJ
39142	2443	7	system	system	NN
39142	2443	8	from	from	IN
39142	2443	9	outer	outer	JJ
39142	2443	10	space	space	NN
39142	2443	11	,	,	,
39142	2443	12	from	from	IN
39142	2443	13	any	any	DT
39142	2443	14	direction	direction	NN
39142	2443	15	whatsoever	whatsoever	RB
39142	2443	16	.	.	.
39142	2444	1	The	the	DT
39142	2444	2	depths	depth	NNS
39142	2444	3	of	of	IN
39142	2444	4	interstellar	interstellar	JJ
39142	2444	5	space	space	NN
39142	2444	6	seem	seem	VBP
39142	2444	7	to	to	TO
39142	2444	8	be	be	VB
39142	2444	9	responsible	responsible	JJ
39142	2444	10	for	for	IN
39142	2444	11	most	most	JJS
39142	2444	12	,	,	,
39142	2444	13	if	if	IN
39142	2444	14	not	not	RB
39142	2444	15	all	all	DT
39142	2444	16	,	,	,
39142	2444	17	of	of	IN
39142	2444	18	the	the	DT
39142	2444	19	new	new	JJ
39142	2444	20	ones	one	NNS
39142	2444	21	.	.	.
39142	2445	1	Whether	whether	IN
39142	2445	2	they	-PRON-	PRP
39142	2445	3	have	have	VBP
39142	2445	4	come	come	VBN
39142	2445	5	from	from	IN
39142	2445	6	other	other	JJ
39142	2445	7	stars	star	NNS
39142	2445	8	or	or	CC
39142	2445	9	stellar	stellar	JJ
39142	2445	10	systems	system	NNS
39142	2445	11	we	-PRON-	PRP
39142	2445	12	can	can	MD
39142	2445	13	not	not	RB
39142	2445	14	say	say	VB
39142	2445	15	.	.	.
39142	2446	1	While	while	IN
39142	2446	2	comets	comet	NNS
39142	2446	3	are	be	VBP
39142	2446	4	tremendous	tremendous	JJ
39142	2446	5	in	in	IN
39142	2446	6	size	size	NN
39142	2446	7	or	or	CC
39142	2446	8	volume	volume	NN
39142	2446	9	,	,	,
39142	2446	10	their	-PRON-	PRP$
39142	2446	11	mass	mass	NN
39142	2446	12	or	or	CC
39142	2446	13	the	the	DT
39142	2446	14	amount	amount	NN
39142	2446	15	of	of	IN
39142	2446	16	real	real	JJ
39142	2446	17	substance	substance	NN
39142	2446	18	in	in	IN
39142	2446	19	them	-PRON-	PRP
39142	2446	20	is	be	VBZ
39142	2446	21	relatively	relatively	RB
39142	2446	22	very	very	RB
39142	2446	23	slight	slight	JJ
39142	2446	24	.	.	.
39142	2447	1	We	-PRON-	PRP
39142	2447	2	know	know	VBP
39142	2447	3	this	this	DT
39142	2447	4	by	by	IN
39142	2447	5	the	the	DT
39142	2447	6	effect	effect	NN
39142	2447	7	they	-PRON-	PRP
39142	2447	8	produce	produce	VBP
39142	2447	9	on	on	IN
39142	2447	10	planets	planet	NNS
39142	2447	11	that	that	WDT
39142	2447	12	they	-PRON-	PRP
39142	2447	13	pass	pass	VBP
39142	2447	14	near	near	RB
39142	2447	15	,	,	,
39142	2447	16	or	or	CC
39142	2447	17	rather	rather	RB
39142	2447	18	by	by	IN
39142	2447	19	the	the	DT
39142	2447	20	effect	effect	NN
39142	2447	21	that	that	WDT
39142	2447	22	they	-PRON-	PRP
39142	2447	23	fail	fail	VBP
39142	2447	24	to	to	TO
39142	2447	25	produce	produce	VB
39142	2447	26	.	.	.
39142	2448	1	The	the	DT
39142	2448	2	earth	earth	NN
39142	2448	3	's	's	POS
39142	2448	4	atmosphere	atmosphere	NN
39142	2448	5	weighs	weigh	VBZ
39142	2448	6	about	about	RB
39142	2448	7	one	one	CD
39142	2448	8	two	two	CD
39142	2448	9	hundred	hundred	CD
39142	2448	10	and	and	CC
39142	2448	11	fifty	fifty	CD
39142	2448	12	thousandth	thousandth	NN
39142	2448	13	as	as	RB
39142	2448	14	much	much	RB
39142	2448	15	as	as	IN
39142	2448	16	the	the	DT
39142	2448	17	earth	earth	NN
39142	2448	18	itself	-PRON-	PRP
39142	2448	19	,	,	,
39142	2448	20	but	but	CC
39142	2448	21	a	a	DT
39142	2448	22	comet	comet	NN
39142	2448	23	's	's	POS
39142	2448	24	entire	entire	JJ
39142	2448	25	mass	mass	NN
39142	2448	26	must	must	MD
39142	2448	27	be	be	VB
39142	2448	28	vastly	vastly	RB
39142	2448	29	less	less	JJR
39142	2448	30	than	than	IN
39142	2448	31	this	this	DT
39142	2448	32	.	.	.
39142	2449	1	Even	even	RB
39142	2449	2	if	if	IN
39142	2449	3	a	a	DT
39142	2449	4	comet	comet	NN
39142	2449	5	were	be	VBD
39142	2449	6	to	to	TO
39142	2449	7	collide	collide	VB
39142	2449	8	with	with	IN
39142	2449	9	the	the	DT
39142	2449	10	earth	earth	NN
39142	2449	11	head	head	NN
39142	2449	12	on	on	RP
39142	2449	13	,	,	,
39142	2449	14	there	there	EX
39142	2449	15	is	be	VBZ
39142	2449	16	little	little	JJ
39142	2449	17	reason	reason	NN
39142	2449	18	to	to	TO
39142	2449	19	believe	believe	VB
39142	2449	20	that	that	IN
39142	2449	21	dire	dire	JJ
39142	2449	22	catastrophe	catastrophe	NN
39142	2449	23	would	would	MD
39142	2449	24	ensue	ensue	VB
39142	2449	25	.	.	.
39142	2450	1	At	at	RB
39142	2450	2	least	least	JJS
39142	2450	3	twice	twice	RB
39142	2450	4	the	the	DT
39142	2450	5	earth	earth	NN
39142	2450	6	is	be	VBZ
39142	2450	7	known	know	VBN
39142	2450	8	to	to	TO
39142	2450	9	have	have	VB
39142	2450	10	passed	pass	VBN
39142	2450	11	through	through	IN
39142	2450	12	the	the	DT
39142	2450	13	tail	tail	NN
39142	2450	14	of	of	IN
39142	2450	15	a	a	DT
39142	2450	16	comet	comet	NN
39142	2450	17	,	,	,
39142	2450	18	and	and	CC
39142	2450	19	the	the	DT
39142	2450	20	only	only	JJ
39142	2450	21	effect	effect	NN
39142	2450	22	noticed	notice	VBN
39142	2450	23	was	be	VBD
39142	2450	24	upon	upon	IN
39142	2450	25	the	the	DT
39142	2450	26	comet	comet	NN
39142	2450	27	itself	-PRON-	PRP
39142	2450	28	;	;	:
39142	2450	29	its	-PRON-	PRP$
39142	2450	30	orbit	orbit	NN
39142	2450	31	had	have	VBD
39142	2450	32	been	be	VBN
39142	2450	33	modified	modify	VBN
39142	2450	34	somewhat	somewhat	RB
39142	2450	35	by	by	IN
39142	2450	36	the	the	DT
39142	2450	37	attraction	attraction	NN
39142	2450	38	of	of	IN
39142	2450	39	the	the	DT
39142	2450	40	earth	earth	NN
39142	2450	41	.	.	.
39142	2451	1	If	if	IN
39142	2451	2	the	the	DT
39142	2451	3	comet	comet	NN
39142	2451	4	were	be	VBD
39142	2451	5	a	a	DT
39142	2451	6	small	small	JJ
39142	2451	7	one	one	NN
39142	2451	8	,	,	,
39142	2451	9	collision	collision	NN
39142	2451	10	with	with	IN
39142	2451	11	any	any	DT
39142	2451	12	of	of	IN
39142	2451	13	the	the	DT
39142	2451	14	planets	planet	NNS
39142	2451	15	would	would	MD
39142	2451	16	result	result	VB
39142	2451	17	in	in	IN
39142	2451	18	absorption	absorption	NN
39142	2451	19	and	and	CC
39142	2451	20	dissipation	dissipation	NN
39142	2451	21	of	of	IN
39142	2451	22	the	the	DT
39142	2451	23	comet	comet	NN
39142	2451	24	into	into	IN
39142	2451	25	vapor	vapor	NN
39142	2451	26	.	.	.
39142	2452	1	The	the	DT
39142	2452	2	whole	whole	NN
39142	2452	3	of	of	IN
39142	2452	4	a	a	DT
39142	2452	5	large	large	JJ
39142	2452	6	comet	comet	NN
39142	2452	7	has	have	VBZ
39142	2452	8	perhaps	perhaps	RB
39142	2452	9	as	as	RB
39142	2452	10	much	much	JJ
39142	2452	11	mass	mass	NN
39142	2452	12	or	or	CC
39142	2452	13	weight	weight	NN
39142	2452	14	as	as	IN
39142	2452	15	a	a	DT
39142	2452	16	sphere	sphere	NN
39142	2452	17	of	of	IN
39142	2452	18	iron	iron	NN
39142	2452	19	a	a	DT
39142	2452	20	hundred	hundred	CD
39142	2452	21	miles	mile	NNS
39142	2452	22	in	in	IN
39142	2452	23	diameter	diameter	NN
39142	2452	24	.	.	.
39142	2453	1	Even	even	RB
39142	2453	2	this	this	DT
39142	2453	3	could	could	MD
39142	2453	4	not	not	RB
39142	2453	5	wreck	wreck	VB
39142	2453	6	the	the	DT
39142	2453	7	earth	earth	NN
39142	2453	8	,	,	,
39142	2453	9	but	but	CC
39142	2453	10	the	the	DT
39142	2453	11	effect	effect	NN
39142	2453	12	would	would	MD
39142	2453	13	depend	depend	VB
39142	2453	14	upon	upon	IN
39142	2453	15	what	what	WP
39142	2453	16	part	part	NN
39142	2453	17	of	of	IN
39142	2453	18	the	the	DT
39142	2453	19	earth	earth	NN
39142	2453	20	was	be	VBD
39142	2453	21	hit	hit	VBN
39142	2453	22	.	.	.
39142	2454	1	A	a	DT
39142	2454	2	comet	comet	NN
39142	2454	3	is	be	VBZ
39142	2454	4	very	very	RB
39142	2454	5	thin	thin	JJ
39142	2454	6	and	and	CC
39142	2454	7	tenuous	tenuous	JJ
39142	2454	8	,	,	,
39142	2454	9	because	because	IN
39142	2454	10	its	-PRON-	PRP$
39142	2454	11	relatively	relatively	RB
39142	2454	12	small	small	JJ
39142	2454	13	mass	mass	NN
39142	2454	14	is	be	VBZ
39142	2454	15	distributed	distribute	VBN
39142	2454	16	through	through	IN
39142	2454	17	a	a	DT
39142	2454	18	volume	volume	NN
39142	2454	19	so	so	RB
39142	2454	20	enormous	enormous	JJ
39142	2454	21	.	.	.
39142	2455	1	So	so	CC
39142	2455	2	it	-PRON-	PRP
39142	2455	3	is	be	VBZ
39142	2455	4	probable	probable	JJ
39142	2455	5	that	that	IN
39142	2455	6	the	the	DT
39142	2455	7	earth	earth	NN
39142	2455	8	's	's	POS
39142	2455	9	atmosphere	atmosphere	NN
39142	2455	10	could	could	MD
39142	2455	11	scatter	scatter	VB
39142	2455	12	and	and	CC
39142	2455	13	burn	burn	VB
39142	2455	14	up	up	RP
39142	2455	15	the	the	DT
39142	2455	16	invading	invade	VBG
39142	2455	17	comet	comet	NN
39142	2455	18	,	,	,
39142	2455	19	and	and	CC
39142	2455	20	we	-PRON-	PRP
39142	2455	21	should	should	MD
39142	2455	22	have	have	VB
39142	2455	23	only	only	RB
39142	2455	24	a	a	DT
39142	2455	25	shower	shower	NN
39142	2455	26	of	of	IN
39142	2455	27	meteors	meteor	NNS
39142	2455	28	on	on	IN
39142	2455	29	an	an	DT
39142	2455	30	unprecedented	unprecedented	JJ
39142	2455	31	scale	scale	NN
39142	2455	32	.	.	.
39142	2456	1	Diffusion	diffusion	NN
39142	2456	2	of	of	IN
39142	2456	3	noxious	noxious	JJ
39142	2456	4	gases	gas	NNS
39142	2456	5	through	through	IN
39142	2456	6	the	the	DT
39142	2456	7	atmosphere	atmosphere	NN
39142	2456	8	might	may	MD
39142	2456	9	vitiate	vitiate	VB
39142	2456	10	it	-PRON-	PRP
39142	2456	11	to	to	IN
39142	2456	12	some	some	DT
39142	2456	13	extent	extent	NN
39142	2456	14	,	,	,
39142	2456	15	though	though	IN
39142	2456	16	probably	probably	RB
39142	2456	17	not	not	RB
39142	2456	18	enough	enough	JJ
39142	2456	19	to	to	TO
39142	2456	20	cause	cause	VB
39142	2456	21	the	the	DT
39142	2456	22	extinction	extinction	NN
39142	2456	23	of	of	IN
39142	2456	24	animal	animal	NN
39142	2456	25	life	life	NN
39142	2456	26	.	.	.
39142	2457	1	Every	every	DT
39142	2457	2	comet	comet	NN
39142	2457	3	has	have	VBZ
39142	2457	4	an	an	DT
39142	2457	5	interesting	interesting	JJ
39142	2457	6	history	history	NN
39142	2457	7	of	of	IN
39142	2457	8	its	-PRON-	PRP$
39142	2457	9	own	own	JJ
39142	2457	10	,	,	,
39142	2457	11	almost	almost	RB
39142	2457	12	indeed	indeed	RB
39142	2457	13	unique	unique	JJ
39142	2457	14	.	.	.
39142	2458	1	One	one	CD
39142	2458	2	of	of	IN
39142	2458	3	the	the	DT
39142	2458	4	smallest	small	JJS
39142	2458	5	comets	comet	NNS
39142	2458	6	and	and	CC
39142	2458	7	the	the	DT
39142	2458	8	briefest	brief	JJS
39142	2458	9	in	in	IN
39142	2458	10	its	-PRON-	PRP$
39142	2458	11	period	period	NN
39142	2458	12	round	round	IN
39142	2458	13	the	the	DT
39142	2458	14	sun	sun	NN
39142	2458	15	is	be	VBZ
39142	2458	16	known	know	VBN
39142	2458	17	as	as	IN
39142	2458	18	Encke	Encke	NNP
39142	2458	19	's	's	POS
39142	2458	20	comet	comet	NN
39142	2458	21	.	.	.
39142	2459	1	It	-PRON-	PRP
39142	2459	2	is	be	VBZ
39142	2459	3	a	a	DT
39142	2459	4	telescopic	telescopic	JJ
39142	2459	5	comet	comet	NN
39142	2459	6	with	with	IN
39142	2459	7	a	a	DT
39142	2459	8	very	very	RB
39142	2459	9	short	short	JJ
39142	2459	10	tail	tail	NN
39142	2459	11	,	,	,
39142	2459	12	its	-PRON-	PRP$
39142	2459	13	time	time	NN
39142	2459	14	of	of	IN
39142	2459	15	revolution	revolution	NN
39142	2459	16	is	be	VBZ
39142	2459	17	about	about	RB
39142	2459	18	three	three	CD
39142	2459	19	and	and	CC
39142	2459	20	a	a	DT
39142	2459	21	half	half	NN
39142	2459	22	years	year	NNS
39142	2459	23	,	,	,
39142	2459	24	and	and	CC
39142	2459	25	it	-PRON-	PRP
39142	2459	26	exhibits	exhibit	VBZ
39142	2459	27	a	a	DT
39142	2459	28	remarkable	remarkable	JJ
39142	2459	29	contraction	contraction	NN
39142	2459	30	of	of	IN
39142	2459	31	volume	volume	NN
39142	2459	32	on	on	IN
39142	2459	33	approach	approach	NN
39142	2459	34	to	to	IN
39142	2459	35	the	the	DT
39142	2459	36	sun	sun	NN
39142	2459	37	.	.	.
39142	2460	1	Biela	Biela	NNP
39142	2460	2	's	's	POS
39142	2460	3	comet	comet	NN
39142	2460	4	has	have	VBZ
39142	2460	5	a	a	DT
39142	2460	6	period	period	NN
39142	2460	7	about	about	RB
39142	2460	8	twice	twice	RB
39142	2460	9	as	as	RB
39142	2460	10	long	long	JJ
39142	2460	11	.	.	.
39142	2461	1	At	at	IN
39142	2461	2	one	one	CD
39142	2461	3	time	time	NN
39142	2461	4	it	-PRON-	PRP
39142	2461	5	passed	pass	VBD
39142	2461	6	within	within	IN
39142	2461	7	about	about	RB
39142	2461	8	15	15	CD
39142	2461	9	million	million	CD
39142	2461	10	miles	mile	NNS
39142	2461	11	of	of	IN
39142	2461	12	the	the	DT
39142	2461	13	earth	earth	NN
39142	2461	14	,	,	,
39142	2461	15	and	and	CC
39142	2461	16	somewhere	somewhere	RB
39142	2461	17	about	about	IN
39142	2461	18	the	the	DT
39142	2461	19	year	year	NN
39142	2461	20	1840	1840	CD
39142	2461	21	this	this	DT
39142	2461	22	comet	comet	NN
39142	2461	23	divided	divide	VBD
39142	2461	24	into	into	IN
39142	2461	25	two	two	CD
39142	2461	26	distinct	distinct	JJ
39142	2461	27	comets	comet	NNS
39142	2461	28	,	,	,
39142	2461	29	which	which	WDT
39142	2461	30	traveled	travel	VBD
39142	2461	31	for	for	IN
39142	2461	32	months	month	NNS
39142	2461	33	side	side	NN
39142	2461	34	by	by	IN
39142	2461	35	side	side	NN
39142	2461	36	,	,	,
39142	2461	37	but	but	CC
39142	2461	38	later	later	RB
39142	2461	39	separated	separate	VBN
39142	2461	40	and	and	CC
39142	2461	41	both	both	DT
39142	2461	42	have	have	VBP
39142	2461	43	since	since	IN
39142	2461	44	completely	completely	RB
39142	2461	45	disappeared	disappear	VBN
39142	2461	46	.	.	.
39142	2462	1	Perhaps	perhaps	RB
39142	2462	2	the	the	DT
39142	2462	3	most	most	RBS
39142	2462	4	beautiful	beautiful	JJ
39142	2462	5	of	of	IN
39142	2462	6	all	all	DT
39142	2462	7	comets	comet	NNS
39142	2462	8	is	be	VBZ
39142	2462	9	that	that	IN
39142	2462	10	discovered	discover	VBN
39142	2462	11	by	by	IN
39142	2462	12	Donati	Donati	NNS
39142	2462	13	of	of	IN
39142	2462	14	Florence	Florence	NNP
39142	2462	15	in	in	IN
39142	2462	16	1858	1858	CD
39142	2462	17	.	.	.
39142	2463	1	Its	-PRON-	PRP$
39142	2463	2	coma	coma	NN
39142	2463	3	presented	present	VBD
39142	2463	4	the	the	DT
39142	2463	5	development	development	NN
39142	2463	6	of	of	IN
39142	2463	7	jets	jet	NNS
39142	2463	8	and	and	CC
39142	2463	9	envelopes	envelope	NNS
39142	2463	10	in	in	IN
39142	2463	11	remarkable	remarkable	JJ
39142	2463	12	perfection	perfection	NN
39142	2463	13	,	,	,
39142	2463	14	and	and	CC
39142	2463	15	its	-PRON-	PRP$
39142	2463	16	tail	tail	NN
39142	2463	17	was	be	VBD
39142	2463	18	of	of	IN
39142	2463	19	the	the	DT
39142	2463	20	secondary	secondary	JJ
39142	2463	21	or	or	CC
39142	2463	22	hydrocarbon	hydrocarbon	NN
39142	2463	23	type	type	NN
39142	2463	24	,	,	,
39142	2463	25	but	but	CC
39142	2463	26	accompanied	accompany	VBN
39142	2463	27	by	by	IN
39142	2463	28	two	two	CD
39142	2463	29	faint	faint	JJ
39142	2463	30	streamer	streamer	NN
39142	2463	31	tails	tail	NNS
39142	2463	32	,	,	,
39142	2463	33	nearly	nearly	RB
39142	2463	34	tangential	tangential	JJ
39142	2463	35	to	to	IN
39142	2463	36	the	the	DT
39142	2463	37	main	main	JJ
39142	2463	38	tail	tail	NN
39142	2463	39	and	and	CC
39142	2463	40	of	of	IN
39142	2463	41	the	the	DT
39142	2463	42	hydrogen	hydrogen	NN
39142	2463	43	type	type	NN
39142	2463	44	.	.	.
39142	2464	1	Donati	Donati	NNP
39142	2464	2	's	's	POS
39142	2464	3	comet	comet	JJ
39142	2464	4	moves	move	NNS
39142	2464	5	in	in	IN
39142	2464	6	an	an	DT
39142	2464	7	ellipse	ellipse	NN
39142	2464	8	of	of	IN
39142	2464	9	extraordinary	extraordinary	JJ
39142	2464	10	length	length	NN
39142	2464	11	,	,	,
39142	2464	12	and	and	CC
39142	2464	13	it	-PRON-	PRP
39142	2464	14	will	will	MD
39142	2464	15	not	not	RB
39142	2464	16	return	return	VB
39142	2464	17	to	to	IN
39142	2464	18	the	the	DT
39142	2464	19	sun	sun	NN
39142	2464	20	for	for	IN
39142	2464	21	nearly	nearly	RB
39142	2464	22	2,000	2,000	CD
39142	2464	23	years	year	NNS
39142	2464	24	.	.	.
39142	2465	1	The	the	DT
39142	2465	2	most	most	RBS
39142	2465	3	brilliant	brilliant	JJ
39142	2465	4	comet	comet	NN
39142	2465	5	of	of	IN
39142	2465	6	the	the	DT
39142	2465	7	last	last	JJ
39142	2465	8	half	half	JJ
39142	2465	9	century	century	NN
39142	2465	10	is	be	VBZ
39142	2465	11	known	know	VBN
39142	2465	12	as	as	IN
39142	2465	13	the	the	DT
39142	2465	14	great	great	JJ
39142	2465	15	comet	comet	NN
39142	2465	16	of	of	IN
39142	2465	17	1882	1882	CD
39142	2465	18	.	.	.
39142	2466	1	In	in	IN
39142	2466	2	a	a	DT
39142	2466	3	clear	clear	JJ
39142	2466	4	sky	sky	NN
39142	2466	5	it	-PRON-	PRP
39142	2466	6	could	could	MD
39142	2466	7	readily	readily	RB
39142	2466	8	be	be	VB
39142	2466	9	seen	see	VBN
39142	2466	10	at	at	IN
39142	2466	11	midday	midday	NN
39142	2466	12	.	.	.
39142	2467	1	On	on	IN
39142	2467	2	September	September	NNP
39142	2467	3	17	17	CD
39142	2467	4	it	-PRON-	PRP
39142	2467	5	passed	pass	VBD
39142	2467	6	across	across	IN
39142	2467	7	the	the	DT
39142	2467	8	disk	disk	NN
39142	2467	9	of	of	IN
39142	2467	10	the	the	DT
39142	2467	11	sun	sun	NN
39142	2467	12	and	and	CC
39142	2467	13	was	be	VBD
39142	2467	14	practically	practically	RB
39142	2467	15	as	as	RB
39142	2467	16	bright	bright	JJ
39142	2467	17	as	as	IN
39142	2467	18	the	the	DT
39142	2467	19	surface	surface	NN
39142	2467	20	of	of	IN
39142	2467	21	the	the	DT
39142	2467	22	sun	sun	NN
39142	2467	23	itself	-PRON-	PRP
39142	2467	24	.	.	.
39142	2468	1	The	the	DT
39142	2468	2	comet	comet	NN
39142	2468	3	had	have	VBD
39142	2468	4	a	a	DT
39142	2468	5	multiple	multiple	JJ
39142	2468	6	nucleus	nucleus	NN
39142	2468	7	and	and	CC
39142	2468	8	a	a	DT
39142	2468	9	hydrocarbon	hydrocarbon	NN
39142	2468	10	tail	tail	NN
39142	2468	11	of	of	IN
39142	2468	12	the	the	DT
39142	2468	13	second	second	JJ
39142	2468	14	type	type	NN
39142	2468	15	,	,	,
39142	2468	16	nearly	nearly	RB
39142	2468	17	a	a	DT
39142	2468	18	hundred	hundred	CD
39142	2468	19	million	million	CD
39142	2468	20	miles	mile	NNS
39142	2468	21	in	in	IN
39142	2468	22	length	length	NN
39142	2468	23	.	.	.
39142	2469	1	Doubtless	doubtless	RB
39142	2469	2	this	this	DT
39142	2469	3	great	great	JJ
39142	2469	4	comet	comet	NN
39142	2469	5	is	be	VBZ
39142	2469	6	a	a	DT
39142	2469	7	member	member	NN
39142	2469	8	of	of	IN
39142	2469	9	what	what	WP
39142	2469	10	is	be	VBZ
39142	2469	11	known	know	VBN
39142	2469	12	as	as	IN
39142	2469	13	a	a	DT
39142	2469	14	cometary	cometary	NN
39142	2469	15	group	group	NN
39142	2469	16	,	,	,
39142	2469	17	which	which	WDT
39142	2469	18	consists	consist	VBZ
39142	2469	19	of	of	IN
39142	2469	20	comets	comet	NNS
39142	2469	21	having	have	VBG
39142	2469	22	the	the	DT
39142	2469	23	same	same	JJ
39142	2469	24	orbit	orbit	NN
39142	2469	25	and	and	CC
39142	2469	26	traveling	travel	VBG
39142	2469	27	tandem	tandem	NN
39142	2469	28	round	round	IN
39142	2469	29	the	the	DT
39142	2469	30	sun	sun	NN
39142	2469	31	.	.	.
39142	2470	1	The	the	DT
39142	2470	2	comets	comet	NNS
39142	2470	3	of	of	IN
39142	2470	4	1668	1668	CD
39142	2470	5	,	,	,
39142	2470	6	1843	1843	CD
39142	2470	7	,	,	,
39142	2470	8	1880	1880	CD
39142	2470	9	,	,	,
39142	2470	10	1882	1882	CD
39142	2470	11	and	and	CC
39142	2470	12	1887	1887	CD
39142	2470	13	belong	belong	VBP
39142	2470	14	to	to	IN
39142	2470	15	this	this	DT
39142	2470	16	particular	particular	JJ
39142	2470	17	group	group	NN
39142	2470	18	,	,	,
39142	2470	19	and	and	CC
39142	2470	20	they	-PRON-	PRP
39142	2470	21	all	all	DT
39142	2470	22	pass	pass	VBP
39142	2470	23	within	within	IN
39142	2470	24	300,000	300,000	CD
39142	2470	25	miles	mile	NNS
39142	2470	26	of	of	IN
39142	2470	27	the	the	DT
39142	2470	28	sun	sun	NN
39142	2470	29	's	's	POS
39142	2470	30	surface	surface	NN
39142	2470	31	,	,	,
39142	2470	32	at	at	IN
39142	2470	33	a	a	DT
39142	2470	34	maximum	maximum	JJ
39142	2470	35	velocity	velocity	NN
39142	2470	36	exceeding	exceed	VBG
39142	2470	37	300	300	CD
39142	2470	38	miles	mile	NNS
39142	2470	39	a	a	DT
39142	2470	40	second	second	NN
39142	2470	41	.	.	.
39142	2471	1	They	-PRON-	PRP
39142	2471	2	must	must	MD
39142	2471	3	therefore	therefore	RB
39142	2471	4	invade	invade	VB
39142	2471	5	the	the	DT
39142	2471	6	regions	region	NNS
39142	2471	7	of	of	IN
39142	2471	8	the	the	DT
39142	2471	9	solar	solar	JJ
39142	2471	10	corona	corona	NN
39142	2471	11	,	,	,
39142	2471	12	the	the	DT
39142	2471	13	inference	inference	NN
39142	2471	14	being	be	VBG
39142	2471	15	that	that	IN
39142	2471	16	the	the	DT
39142	2471	17	corona	corona	NN
39142	2471	18	as	as	RB
39142	2471	19	well	well	RB
39142	2471	20	as	as	IN
39142	2471	21	the	the	DT
39142	2471	22	comet	comet	NN
39142	2471	23	is	be	VBZ
39142	2471	24	composed	compose	VBN
39142	2471	25	of	of	IN
39142	2471	26	exceedingly	exceedingly	RB
39142	2471	27	rare	rare	JJ
39142	2471	28	matter	matter	NN
39142	2471	29	.	.	.
39142	2472	1	Photography	photography	NN
39142	2472	2	of	of	IN
39142	2472	3	comets	comet	NNS
39142	2472	4	has	have	VBZ
39142	2472	5	developed	develop	VBN
39142	2472	6	remarkably	remarkably	RB
39142	2472	7	within	within	IN
39142	2472	8	recent	recent	JJ
39142	2472	9	years	year	NNS
39142	2472	10	,	,	,
39142	2472	11	especially	especially	RB
39142	2472	12	under	under	IN
39142	2472	13	the	the	DT
39142	2472	14	deft	deft	NN
39142	2472	15	manipulation	manipulation	NN
39142	2472	16	of	of	IN
39142	2472	17	Barnard	Barnard	NNP
39142	2472	18	,	,	,
39142	2472	19	whose	whose	WP$
39142	2472	20	plates	plate	NNS
39142	2472	21	,	,	,
39142	2472	22	in	in	IN
39142	2472	23	particular	particular	JJ
39142	2472	24	during	during	IN
39142	2472	25	his	-PRON-	PRP$
39142	2472	26	residence	residence	NN
39142	2472	27	at	at	IN
39142	2472	28	the	the	DT
39142	2472	29	Lick	Lick	NNP
39142	2472	30	Observatory	Observatory	NNP
39142	2472	31	on	on	IN
39142	2472	32	Mount	Mount	NNP
39142	2472	33	Hamilton	Hamilton	NNP
39142	2472	34	,	,	,
39142	2472	35	California	California	NNP
39142	2472	36	,	,	,
39142	2472	37	show	show	VBP
39142	2472	38	the	the	DT
39142	2472	39	features	feature	NNS
39142	2472	40	of	of	IN
39142	2472	41	cometary	cometary	NN
39142	2472	42	heads	head	NNS
39142	2472	43	and	and	CC
39142	2472	44	tails	tail	NNS
39142	2472	45	in	in	IN
39142	2472	46	excellent	excellent	JJ
39142	2472	47	definition	definition	NN
39142	2472	48	.	.	.
39142	2473	1	Halley	Halley	NNP
39142	2473	2	's	's	POS
39142	2473	3	comet	comet	NN
39142	2473	4	,	,	,
39142	2473	5	at	at	IN
39142	2473	6	the	the	DT
39142	2473	7	1910	1910	CD
39142	2473	8	apparition	apparition	NN
39142	2473	9	,	,	,
39142	2473	10	was	be	VBD
39142	2473	11	particularly	particularly	RB
39142	2473	12	well	well	RB
39142	2473	13	photographed	photograph	VBN
39142	2473	14	at	at	IN
39142	2473	15	many	many	JJ
39142	2473	16	observatories	observatory	NNS
39142	2473	17	.	.	.
39142	2474	1	The	the	DT
39142	2474	2	question	question	NN
39142	2474	3	is	be	VBZ
39142	2474	4	often	often	RB
39142	2474	5	asked	ask	VBN
39142	2474	6	,	,	,
39142	2474	7	When	when	WRB
39142	2474	8	will	will	MD
39142	2474	9	the	the	DT
39142	2474	10	next	next	JJ
39142	2474	11	comet	comet	NN
39142	2474	12	come	come	VB
39142	2474	13	?	?	.
39142	2475	1	If	if	IN
39142	2475	2	a	a	DT
39142	2475	3	large	large	JJ
39142	2475	4	bright	bright	JJ
39142	2475	5	comet	comet	NN
39142	2475	6	is	be	VBZ
39142	2475	7	meant	mean	VBN
39142	2475	8	,	,	,
39142	2475	9	astronomers	astronomer	NNS
39142	2475	10	can	can	MD
39142	2475	11	not	not	RB
39142	2475	12	tell	tell	VB
39142	2475	13	.	.	.
39142	2476	1	At	at	IN
39142	2476	2	almost	almost	RB
39142	2476	3	any	any	DT
39142	2476	4	time	time	NN
39142	2476	5	one	one	CD
39142	2476	6	may	may	MD
39142	2476	7	blaze	blaze	VB
39142	2476	8	into	into	IN
39142	2476	9	prominence	prominence	NN
39142	2476	10	within	within	IN
39142	2476	11	only	only	RB
39142	2476	12	a	a	DT
39142	2476	13	few	few	JJ
39142	2476	14	days	day	NNS
39142	2476	15	.	.	.
39142	2477	1	During	during	IN
39142	2477	2	the	the	DT
39142	2477	3	latter	latter	JJ
39142	2477	4	half	half	NN
39142	2477	5	of	of	IN
39142	2477	6	the	the	DT
39142	2477	7	last	last	JJ
39142	2477	8	century	century	NN
39142	2477	9	,	,	,
39142	2477	10	bright	bright	JJ
39142	2477	11	comets	comet	NNS
39142	2477	12	appeared	appear	VBD
39142	2477	13	at	at	IN
39142	2477	14	perihelion	perihelion	NN
39142	2477	15	at	at	IN
39142	2477	16	intervals	interval	NNS
39142	2477	17	of	of	IN
39142	2477	18	eight	eight	CD
39142	2477	19	years	year	NNS
39142	2477	20	on	on	IN
39142	2477	21	the	the	DT
39142	2477	22	average	average	NN
39142	2477	23	.	.	.
39142	2478	1	Several	several	JJ
39142	2478	2	of	of	IN
39142	2478	3	the	the	DT
39142	2478	4	lesser	less	JJR
39142	2478	5	and	and	CC
39142	2478	6	fainter	fainter	VB
39142	2478	7	periodic	periodic	JJ
39142	2478	8	comets	comet	NNS
39142	2478	9	return	return	VBP
39142	2478	10	nearly	nearly	RB
39142	2478	11	every	every	DT
39142	2478	12	year	year	NN
39142	2478	13	,	,	,
39142	2478	14	but	but	CC
39142	2478	15	they	-PRON-	PRP
39142	2478	16	are	be	VBP
39142	2478	17	mostly	mostly	RB
39142	2478	18	telescopic	telescopic	JJ
39142	2478	19	,	,	,
39142	2478	20	and	and	CC
39142	2478	21	are	be	VBP
39142	2478	22	rarely	rarely	RB
39142	2478	23	seen	see	VBN
39142	2478	24	except	except	IN
39142	2478	25	by	by	IN
39142	2478	26	astronomers	astronomer	NNS
39142	2478	27	who	who	WP
39142	2478	28	are	be	VBP
39142	2478	29	particularly	particularly	RB
39142	2478	30	interested	interested	JJ
39142	2478	31	in	in	IN
39142	2478	32	observing	observe	VBG
39142	2478	33	them	-PRON-	PRP
39142	2478	34	.	.	.
39142	2479	1	CHAPTER	chapter	NN
39142	2479	2	XLII	xlii	VBP
39142	2479	3	METEORS	METEORS	NNP
39142	2479	4	AND	and	CC
39142	2479	5	SHOOTING	shooting	NN
39142	2479	6	STARS	star	NNS
39142	2479	7	"	"	``
39142	2479	8	Falling	fall	VBG
39142	2479	9	stars	star	NNS
39142	2479	10	,	,	,
39142	2479	11	"	"	''
39142	2479	12	or	or	CC
39142	2479	13	"	"	``
39142	2479	14	shooting	shoot	VBG
39142	2479	15	stars	star	NNS
39142	2479	16	,	,	,
39142	2479	17	"	"	''
39142	2479	18	have	have	VBP
39142	2479	19	been	be	VBN
39142	2479	20	familiar	familiar	JJ
39142	2479	21	sights	sight	NNS
39142	2479	22	in	in	IN
39142	2479	23	all	all	DT
39142	2479	24	ages	age	NNS
39142	2479	25	of	of	IN
39142	2479	26	the	the	DT
39142	2479	27	world	world	NN
39142	2479	28	,	,	,
39142	2479	29	but	but	CC
39142	2479	30	the	the	DT
39142	2479	31	ancient	ancient	JJ
39142	2479	32	philosophers	philosopher	NNS
39142	2479	33	thought	think	VBD
39142	2479	34	them	-PRON-	PRP
39142	2479	35	scarcely	scarcely	RB
39142	2479	36	worthy	worthy	JJ
39142	2479	37	of	of	IN
39142	2479	38	notice	notice	NN
39142	2479	39	.	.	.
39142	2480	1	According	accord	VBG
39142	2480	2	to	to	IN
39142	2480	3	Aristotle	Aristotle	NNP
39142	2480	4	they	-PRON-	PRP
39142	2480	5	were	be	VBD
39142	2480	6	mere	mere	JJ
39142	2480	7	nothings	nothing	NNS
39142	2480	8	of	of	IN
39142	2480	9	the	the	DT
39142	2480	10	upper	upper	JJ
39142	2480	11	atmosphere	atmosphere	NN
39142	2480	12	,	,	,
39142	2480	13	of	of	IN
39142	2480	14	no	no	DT
39142	2480	15	more	more	JJR
39142	2480	16	account	account	NN
39142	2480	17	than	than	IN
39142	2480	18	the	the	DT
39142	2480	19	general	general	JJ
39142	2480	20	happenings	happening	NNS
39142	2480	21	of	of	IN
39142	2480	22	the	the	DT
39142	2480	23	weather	weather	NN
39142	2480	24	.	.	.
39142	2481	1	But	but	CC
39142	2481	2	about	about	IN
39142	2481	3	the	the	DT
39142	2481	4	end	end	NN
39142	2481	5	of	of	IN
39142	2481	6	the	the	DT
39142	2481	7	eighteenth	eighteenth	JJ
39142	2481	8	century	century	NN
39142	2481	9	and	and	CC
39142	2481	10	the	the	DT
39142	2481	11	beginning	beginning	NN
39142	2481	12	of	of	IN
39142	2481	13	the	the	DT
39142	2481	14	nineteenth	nineteenth	NN
39142	2481	15	the	the	DT
39142	2481	16	insufficiency	insufficiency	NN
39142	2481	17	of	of	IN
39142	2481	18	this	this	DT
39142	2481	19	view	view	NN
39142	2481	20	began	begin	VBD
39142	2481	21	to	to	TO
39142	2481	22	be	be	VB
39142	2481	23	fully	fully	RB
39142	2481	24	recognized	recognize	VBN
39142	2481	25	,	,	,
39142	2481	26	and	and	CC
39142	2481	27	interplanetary	interplanetary	JJ
39142	2481	28	space	space	NN
39142	2481	29	was	be	VBD
39142	2481	30	conceived	conceive	VBN
39142	2481	31	as	as	IN
39142	2481	32	tenanted	tenant	VBN
39142	2481	33	by	by	IN
39142	2481	34	shoals	shoal	NNS
39142	2481	35	of	of	IN
39142	2481	36	moving	move	VBG
39142	2481	37	bodies	body	NNS
39142	2481	38	exceedingly	exceedingly	RB
39142	2481	39	small	small	JJ
39142	2481	40	in	in	IN
39142	2481	41	mass	mass	NN
39142	2481	42	and	and	CC
39142	2481	43	dimension	dimension	NN
39142	2481	44	as	as	IN
39142	2481	45	compared	compare	VBN
39142	2481	46	with	with	IN
39142	2481	47	the	the	DT
39142	2481	48	planets	planet	NNS
39142	2481	49	.	.	.
39142	2482	1	Millions	million	NNS
39142	2482	2	of	of	IN
39142	2482	3	these	these	DT
39142	2482	4	bodies	body	NNS
39142	2482	5	are	be	VBP
39142	2482	6	all	all	PDT
39142	2482	7	the	the	DT
39142	2482	8	time	time	NN
39142	2482	9	in	in	IN
39142	2482	10	collision	collision	NN
39142	2482	11	with	with	IN
39142	2482	12	the	the	DT
39142	2482	13	outlying	outlying	JJ
39142	2482	14	regions	region	NNS
39142	2482	15	of	of	IN
39142	2482	16	our	-PRON-	PRP$
39142	2482	17	atmosphere	atmosphere	NN
39142	2482	18	;	;	:
39142	2482	19	and	and	CC
39142	2482	20	by	by	IN
39142	2482	21	their	-PRON-	PRP$
39142	2482	22	impact	impact	NN
39142	2482	23	upon	upon	IN
39142	2482	24	it	-PRON-	PRP
39142	2482	25	and	and	CC
39142	2482	26	their	-PRON-	PRP$
39142	2482	27	friction	friction	NN
39142	2482	28	in	in	IN
39142	2482	29	passing	pass	VBG
39142	2482	30	swiftly	swiftly	RB
39142	2482	31	through	through	IN
39142	2482	32	it	-PRON-	PRP
39142	2482	33	,	,	,
39142	2482	34	they	-PRON-	PRP
39142	2482	35	become	become	VBP
39142	2482	36	heated	heated	JJ
39142	2482	37	to	to	IN
39142	2482	38	incandescence	incandescence	NN
39142	2482	39	,	,	,
39142	2482	40	thus	thus	RB
39142	2482	41	creating	create	VBG
39142	2482	42	the	the	DT
39142	2482	43	luminous	luminous	JJ
39142	2482	44	appearances	appearance	NNS
39142	2482	45	commonly	commonly	RB
39142	2482	46	known	know	VBN
39142	2482	47	as	as	IN
39142	2482	48	shooting	shoot	VBG
39142	2482	49	stars	star	NNS
39142	2482	50	.	.	.
39142	2483	1	For	for	IN
39142	2483	2	the	the	DT
39142	2483	3	most	most	JJS
39142	2483	4	part	part	NN
39142	2483	5	they	-PRON-	PRP
39142	2483	6	are	be	VBP
39142	2483	7	consumed	consume	VBN
39142	2483	8	or	or	CC
39142	2483	9	dissipated	dissipate	VBN
39142	2483	10	in	in	IN
39142	2483	11	vapor	vapor	NN
39142	2483	12	before	before	IN
39142	2483	13	reaching	reach	VBG
39142	2483	14	the	the	DT
39142	2483	15	solid	solid	JJ
39142	2483	16	surface	surface	NN
39142	2483	17	of	of	IN
39142	2483	18	the	the	DT
39142	2483	19	earth	earth	NN
39142	2483	20	;	;	:
39142	2483	21	but	but	CC
39142	2483	22	occasionally	occasionally	RB
39142	2483	23	a	a	DT
39142	2483	24	luminous	luminous	JJ
39142	2483	25	cloud	cloud	NN
39142	2483	26	or	or	CC
39142	2483	27	streak	streak	NN
39142	2483	28	is	be	VBZ
39142	2483	29	left	leave	VBN
39142	2483	30	glowing	glow	VBG
39142	2483	31	in	in	IN
39142	2483	32	the	the	DT
39142	2483	33	wake	wake	NN
39142	2483	34	of	of	IN
39142	2483	35	a	a	DT
39142	2483	36	large	large	JJ
39142	2483	37	meteor	meteor	NN
39142	2483	38	,	,	,
39142	2483	39	which	which	WDT
39142	2483	40	sometimes	sometimes	RB
39142	2483	41	remains	remain	VBZ
39142	2483	42	visible	visible	JJ
39142	2483	43	for	for	IN
39142	2483	44	half	half	PDT
39142	2483	45	an	an	DT
39142	2483	46	hour	hour	NN
39142	2483	47	after	after	IN
39142	2483	48	the	the	DT
39142	2483	49	passage	passage	NN
39142	2483	50	of	of	IN
39142	2483	51	the	the	DT
39142	2483	52	meteor	meteor	NN
39142	2483	53	itself	-PRON-	PRP
39142	2483	54	.	.	.
39142	2484	1	These	these	DT
39142	2484	2	mistlike	mistlike	JJ
39142	2484	3	clouds	cloud	NNS
39142	2484	4	projected	project	VBN
39142	2484	5	upon	upon	IN
39142	2484	6	the	the	DT
39142	2484	7	dark	dark	JJ
39142	2484	8	sky	sky	NN
39142	2484	9	have	have	VBP
39142	2484	10	been	be	VBN
39142	2484	11	especially	especially	RB
39142	2484	12	studied	study	VBN
39142	2484	13	by	by	IN
39142	2484	14	Trowbridge	Trowbridge	NNP
39142	2484	15	of	of	IN
39142	2484	16	Columbia	Columbia	NNP
39142	2484	17	University	University	NNP
39142	2484	18	.	.	.
39142	2485	1	Many	many	JJ
39142	2485	2	more	more	JJR
39142	2485	3	meteors	meteor	NNS
39142	2485	4	are	be	VBP
39142	2485	5	seen	see	VBN
39142	2485	6	during	during	IN
39142	2485	7	the	the	DT
39142	2485	8	morning	morning	NN
39142	2485	9	hours	hour	NNS
39142	2485	10	,	,	,
39142	2485	11	say	say	VBP
39142	2485	12	from	from	IN
39142	2485	13	four	four	CD
39142	2485	14	to	to	IN
39142	2485	15	six	six	CD
39142	2485	16	,	,	,
39142	2485	17	than	than	IN
39142	2485	18	at	at	IN
39142	2485	19	any	any	DT
39142	2485	20	other	other	JJ
39142	2485	21	nightly	nightly	JJ
39142	2485	22	period	period	NN
39142	2485	23	of	of	IN
39142	2485	24	equal	equal	JJ
39142	2485	25	length	length	NN
39142	2485	26	,	,	,
39142	2485	27	because	because	IN
39142	2485	28	the	the	DT
39142	2485	29	visible	visible	JJ
39142	2485	30	sky	sky	NN
39142	2485	31	is	be	VBZ
39142	2485	32	at	at	IN
39142	2485	33	that	that	DT
39142	2485	34	time	time	NN
39142	2485	35	nearly	nearly	RB
39142	2485	36	centered	center	VBN
39142	2485	37	around	around	IN
39142	2485	38	the	the	DT
39142	2485	39	general	general	JJ
39142	2485	40	direction	direction	NN
39142	2485	41	toward	toward	IN
39142	2485	42	which	which	WDT
39142	2485	43	the	the	DT
39142	2485	44	earth	earth	NN
39142	2485	45	is	be	VBZ
39142	2485	46	moving	move	VBG
39142	2485	47	in	in	IN
39142	2485	48	its	-PRON-	PRP$
39142	2485	49	orbit	orbit	NN
39142	2485	50	round	round	IN
39142	2485	51	the	the	DT
39142	2485	52	sun	sun	NN
39142	2485	53	;	;	:
39142	2485	54	so	so	IN
39142	2485	55	that	that	IN
39142	2485	56	the	the	DT
39142	2485	57	number	number	NN
39142	2485	58	of	of	IN
39142	2485	59	meteors	meteor	NNS
39142	2485	60	that	that	WDT
39142	2485	61	would	would	MD
39142	2485	62	fall	fall	VB
39142	2485	63	upon	upon	IN
39142	2485	64	the	the	DT
39142	2485	65	earth	earth	NN
39142	2485	66	if	if	IN
39142	2485	67	at	at	IN
39142	2485	68	rest	rest	NN
39142	2485	69	is	be	VBZ
39142	2485	70	increased	increase	VBN
39142	2485	71	by	by	IN
39142	2485	72	those	those	DT
39142	2485	73	which	which	WDT
39142	2485	74	the	the	DT
39142	2485	75	earth	earth	NN
39142	2485	76	overtakes	overtake	VBZ
39142	2485	77	by	by	IN
39142	2485	78	its	-PRON-	PRP$
39142	2485	79	own	own	JJ
39142	2485	80	motion	motion	NN
39142	2485	81	.	.	.
39142	2486	1	Also	also	RB
39142	2486	2	from	from	IN
39142	2486	3	January	January	NNP
39142	2486	4	to	to	IN
39142	2486	5	July	July	NNP
39142	2486	6	while	while	IN
39142	2486	7	the	the	DT
39142	2486	8	earth	earth	NN
39142	2486	9	is	be	VBZ
39142	2486	10	traveling	travel	VBG
39142	2486	11	from	from	IN
39142	2486	12	perihelion	perihelion	NN
39142	2486	13	to	to	IN
39142	2486	14	aphelion	aphelion	NN
39142	2486	15	,	,	,
39142	2486	16	fewer	few	JJR
39142	2486	17	meteors	meteor	NNS
39142	2486	18	are	be	VBP
39142	2486	19	seen	see	VBN
39142	2486	20	than	than	IN
39142	2486	21	in	in	IN
39142	2486	22	the	the	DT
39142	2486	23	last	last	JJ
39142	2486	24	half	half	NN
39142	2486	25	of	of	IN
39142	2486	26	the	the	DT
39142	2486	27	year	year	NN
39142	2486	28	;	;	:
39142	2486	29	but	but	CC
39142	2486	30	this	this	DT
39142	2486	31	is	be	VBZ
39142	2486	32	chiefly	chiefly	RB
39142	2486	33	because	because	IN
39142	2486	34	of	of	IN
39142	2486	35	the	the	DT
39142	2486	36	rich	rich	JJ
39142	2486	37	showers	shower	NNS
39142	2486	38	encountered	encounter	VBN
39142	2486	39	in	in	IN
39142	2486	40	August	August	NNP
39142	2486	41	and	and	CC
39142	2486	42	November	November	NNP
39142	2486	43	.	.	.
39142	2487	1	Although	although	IN
39142	2487	2	the	the	DT
39142	2487	3	descent	descent	NN
39142	2487	4	of	of	IN
39142	2487	5	meteoric	meteoric	JJ
39142	2487	6	bodies	body	NNS
39142	2487	7	from	from	IN
39142	2487	8	the	the	DT
39142	2487	9	sky	sky	NN
39142	2487	10	was	be	VBD
39142	2487	11	pretty	pretty	RB
39142	2487	12	generally	generally	RB
39142	2487	13	discredited	discredit	VBN
39142	2487	14	until	until	IN
39142	2487	15	early	early	RB
39142	2487	16	in	in	IN
39142	2487	17	the	the	DT
39142	2487	18	nineteenth	nineteenth	JJ
39142	2487	19	century	century	NN
39142	2487	20	,	,	,
39142	2487	21	such	such	JJ
39142	2487	22	falls	fall	NNS
39142	2487	23	had	have	VBD
39142	2487	24	nevertheless	nevertheless	RB
39142	2487	25	been	be	VBN
39142	2487	26	recorded	record	VBN
39142	2487	27	from	from	IN
39142	2487	28	very	very	RB
39142	2487	29	early	early	JJ
39142	2487	30	times	time	NNS
39142	2487	31	.	.	.
39142	2488	1	They	-PRON-	PRP
39142	2488	2	were	be	VBD
39142	2488	3	usually	usually	RB
39142	2488	4	regarded	regard	VBN
39142	2488	5	as	as	IN
39142	2488	6	prodigies	prodigy	NNS
39142	2488	7	or	or	CC
39142	2488	8	miracles	miracle	NNS
39142	2488	9	,	,	,
39142	2488	10	and	and	CC
39142	2488	11	such	such	JJ
39142	2488	12	stones	stone	NNS
39142	2488	13	were	be	VBD
39142	2488	14	commonly	commonly	RB
39142	2488	15	objects	object	NNS
39142	2488	16	of	of	IN
39142	2488	17	worship	worship	NN
39142	2488	18	among	among	IN
39142	2488	19	ancient	ancient	JJ
39142	2488	20	peoples	people	NNS
39142	2488	21	.	.	.
39142	2489	1	For	for	IN
39142	2489	2	example	example	NN
39142	2489	3	,	,	,
39142	2489	4	the	the	DT
39142	2489	5	Phrygian	Phrygian	NNP
39142	2489	6	Stone	Stone	NNP
39142	2489	7	,	,	,
39142	2489	8	known	know	VBN
39142	2489	9	as	as	IN
39142	2489	10	the	the	DT
39142	2489	11	"	"	``
39142	2489	12	Diana	Diana	NNP
39142	2489	13	of	of	IN
39142	2489	14	the	the	DT
39142	2489	15	Ephesians	Ephesians	NNPS
39142	2489	16	which	which	WDT
39142	2489	17	fell	fall	VBD
39142	2489	18	down	down	RP
39142	2489	19	from	from	IN
39142	2489	20	Jupiter	Jupiter	NNP
39142	2489	21	,	,	,
39142	2489	22	"	"	``
39142	2489	23	was	be	VBD
39142	2489	24	a	a	DT
39142	2489	25	famous	famous	JJ
39142	2489	26	stone	stone	NN
39142	2489	27	built	build	VBN
39142	2489	28	into	into	IN
39142	2489	29	the	the	DT
39142	2489	30	Kaaba	Kaaba	NNP
39142	2489	31	at	at	IN
39142	2489	32	Mecca	Mecca	NNP
39142	2489	33	,	,	,
39142	2489	34	and	and	CC
39142	2489	35	even	even	RB
39142	2489	36	to	to	IN
39142	2489	37	-	-	HYPH
39142	2489	38	day	day	NN
39142	2489	39	it	-PRON-	PRP
39142	2489	40	is	be	VBZ
39142	2489	41	revered	revere	VBN
39142	2489	42	by	by	IN
39142	2489	43	Mohammedans	Mohammedans	NNPS
39142	2489	44	as	as	IN
39142	2489	45	a	a	DT
39142	2489	46	holy	holy	JJ
39142	2489	47	relic	relic	NN
39142	2489	48	.	.	.
39142	2490	1	Perhaps	perhaps	RB
39142	2490	2	the	the	DT
39142	2490	3	earliest	early	JJS
39142	2490	4	known	know	VBN
39142	2490	5	meteoric	meteoric	JJ
39142	2490	6	fall	fall	NN
39142	2490	7	is	be	VBZ
39142	2490	8	that	that	IN
39142	2490	9	historically	historically	RB
39142	2490	10	recorded	record	VBN
39142	2490	11	in	in	IN
39142	2490	12	the	the	DT
39142	2490	13	Parian	parian	JJ
39142	2490	14	Chronicle	Chronicle	NNP
39142	2490	15	as	as	IN
39142	2490	16	having	have	VBG
39142	2490	17	occurred	occur	VBN
39142	2490	18	in	in	IN
39142	2490	19	the	the	DT
39142	2490	20	island	island	NN
39142	2490	21	of	of	IN
39142	2490	22	Crete	Crete	NNP
39142	2490	23	,	,	,
39142	2490	24	B.	B.	NNP
39142	2490	25	C.	C.	NNP
39142	2490	26	1478	1478	CD
39142	2490	27	.	.	.
39142	2491	1	Also	also	RB
39142	2491	2	in	in	IN
39142	2491	3	the	the	DT
39142	2491	4	imperial	imperial	JJ
39142	2491	5	museum	museum	NN
39142	2491	6	of	of	IN
39142	2491	7	Petrograd	Petrograd	NNP
39142	2491	8	is	be	VBZ
39142	2491	9	the	the	DT
39142	2491	10	Pallas	Pallas	NNP
39142	2491	11	or	or	CC
39142	2491	12	Krasnoiarsk	Krasnoiarsk	NNP
39142	2491	13	iron	iron	NN
39142	2491	14	,	,	,
39142	2491	15	perhaps	perhaps	RB
39142	2491	16	three	three	CD
39142	2491	17	-	-	HYPH
39142	2491	18	quarters	quarter	NNS
39142	2491	19	of	of	IN
39142	2491	20	a	a	DT
39142	2491	21	ton	ton	NN
39142	2491	22	in	in	IN
39142	2491	23	weight	weight	NN
39142	2491	24	,	,	,
39142	2491	25	found	find	VBN
39142	2491	26	in	in	IN
39142	2491	27	1772	1772	CD
39142	2491	28	by	by	IN
39142	2491	29	Pallas	Pallas	NNP
39142	2491	30	,	,	,
39142	2491	31	the	the	DT
39142	2491	32	famous	famous	JJ
39142	2491	33	traveler	traveler	NN
39142	2491	34	,	,	,
39142	2491	35	at	at	IN
39142	2491	36	Krasnoiarsk	Krasnoiarsk	NNP
39142	2491	37	,	,	,
39142	2491	38	Siberia	Siberia	NNP
39142	2491	39	.	.	.
39142	2492	1	But	but	CC
39142	2492	2	a	a	DT
39142	2492	3	fall	fall	NN
39142	2492	4	of	of	IN
39142	2492	5	meteoric	meteoric	JJ
39142	2492	6	stones	stone	NNS
39142	2492	7	that	that	WDT
39142	2492	8	chanced	chance	VBD
39142	2492	9	upon	upon	IN
39142	2492	10	the	the	DT
39142	2492	11	department	department	NN
39142	2492	12	of	of	IN
39142	2492	13	Orne	Orne	NNP
39142	2492	14	,	,	,
39142	2492	15	France	France	NNP
39142	2492	16	,	,	,
39142	2492	17	in	in	IN
39142	2492	18	1805	1805	CD
39142	2492	19	,	,	,
39142	2492	20	led	lead	VBD
39142	2492	21	to	to	IN
39142	2492	22	a	a	DT
39142	2492	23	critical	critical	JJ
39142	2492	24	investigation	investigation	NN
39142	2492	25	by	by	IN
39142	2492	26	Biot	Biot	NNP
39142	2492	27	,	,	,
39142	2492	28	the	the	DT
39142	2492	29	distinguished	distinguished	JJ
39142	2492	30	physicist	physicist	NNP
39142	2492	31	and	and	CC
39142	2492	32	academician	academician	NNP
39142	2492	33	.	.	.
39142	2493	1	According	accord	VBG
39142	2493	2	to	to	IN
39142	2493	3	his	-PRON-	PRP$
39142	2493	4	report	report	NN
39142	2493	5	a	a	DT
39142	2493	6	violent	violent	JJ
39142	2493	7	explosion	explosion	NN
39142	2493	8	in	in	IN
39142	2493	9	the	the	DT
39142	2493	10	neighborhood	neighborhood	NN
39142	2493	11	of	of	IN
39142	2493	12	L'Aigle	L'Aigle	NNP
39142	2493	13	had	have	VBD
39142	2493	14	been	be	VBN
39142	2493	15	heard	hear	VBN
39142	2493	16	for	for	IN
39142	2493	17	a	a	DT
39142	2493	18	distance	distance	NN
39142	2493	19	of	of	IN
39142	2493	20	seventy	seventy	CD
39142	2493	21	-	-	HYPH
39142	2493	22	five	five	CD
39142	2493	23	miles	mile	NNS
39142	2493	24	around	around	RB
39142	2493	25	,	,	,
39142	2493	26	and	and	CC
39142	2493	27	lasting	last	VBG
39142	2493	28	five	five	CD
39142	2493	29	or	or	CC
39142	2493	30	six	six	CD
39142	2493	31	minutes	minute	NNS
39142	2493	32	,	,	,
39142	2493	33	about	about	RB
39142	2493	34	1	1	CD
39142	2493	35	P.	P.	NNP
39142	2493	36	M.	M.	NNP
39142	2493	37	on	on	IN
39142	2493	38	Tuesday	Tuesday	NNP
39142	2493	39	,	,	,
39142	2493	40	April	April	NNP
39142	2493	41	26	26	CD
39142	2493	42	.	.	.
39142	2494	1	From	from	IN
39142	2494	2	several	several	JJ
39142	2494	3	adjoining	adjoining	JJ
39142	2494	4	towns	town	NNS
39142	2494	5	a	a	DT
39142	2494	6	rapidly	rapidly	RB
39142	2494	7	moving	move	VBG
39142	2494	8	fireball	fireball	NN
39142	2494	9	had	have	VBD
39142	2494	10	been	be	VBN
39142	2494	11	seen	see	VBN
39142	2494	12	in	in	IN
39142	2494	13	a	a	DT
39142	2494	14	sky	sky	NN
39142	2494	15	generally	generally	RB
39142	2494	16	clear	clear	JJ
39142	2494	17	,	,	,
39142	2494	18	and	and	CC
39142	2494	19	there	there	EX
39142	2494	20	was	be	VBD
39142	2494	21	absolutely	absolutely	RB
39142	2494	22	no	no	DT
39142	2494	23	room	room	NN
39142	2494	24	for	for	IN
39142	2494	25	doubt	doubt	NN
39142	2494	26	that	that	IN
39142	2494	27	on	on	IN
39142	2494	28	the	the	DT
39142	2494	29	same	same	JJ
39142	2494	30	day	day	NN
39142	2494	31	many	many	JJ
39142	2494	32	stones	stone	NNS
39142	2494	33	fell	fall	VBD
39142	2494	34	in	in	IN
39142	2494	35	the	the	DT
39142	2494	36	neighborhood	neighborhood	NN
39142	2494	37	of	of	IN
39142	2494	38	L'Aigle	L'Aigle	NNP
39142	2494	39	.	.	.
39142	2495	1	Biot	Biot	NNP
39142	2495	2	estimated	estimate	VBD
39142	2495	3	their	-PRON-	PRP$
39142	2495	4	number	number	NN
39142	2495	5	between	between	IN
39142	2495	6	two	two	CD
39142	2495	7	and	and	CC
39142	2495	8	three	three	CD
39142	2495	9	thousand	thousand	CD
39142	2495	10	,	,	,
39142	2495	11	and	and	CC
39142	2495	12	they	-PRON-	PRP
39142	2495	13	were	be	VBD
39142	2495	14	scattered	scatter	VBN
39142	2495	15	over	over	IN
39142	2495	16	an	an	DT
39142	2495	17	elliptical	elliptical	JJ
39142	2495	18	area	area	NN
39142	2495	19	more	more	JJR
39142	2495	20	than	than	IN
39142	2495	21	six	six	CD
39142	2495	22	miles	mile	NNS
39142	2495	23	long	long	JJ
39142	2495	24	,	,	,
39142	2495	25	and	and	CC
39142	2495	26	two	two	CD
39142	2495	27	and	and	CC
39142	2495	28	a	a	DT
39142	2495	29	half	half	NN
39142	2495	30	miles	mile	NNS
39142	2495	31	broad	broad	RB
39142	2495	32	.	.	.
39142	2496	1	Thenceforward	thenceforward	IN
39142	2496	2	the	the	DT
39142	2496	3	descent	descent	NN
39142	2496	4	of	of	IN
39142	2496	5	meteoric	meteoric	JJ
39142	2496	6	matter	matter	NN
39142	2496	7	from	from	IN
39142	2496	8	outer	outer	JJ
39142	2496	9	space	space	NN
39142	2496	10	upon	upon	IN
39142	2496	11	the	the	DT
39142	2496	12	earth	earth	NN
39142	2496	13	has	have	VBZ
39142	2496	14	been	be	VBN
39142	2496	15	recognized	recognize	VBN
39142	2496	16	as	as	IN
39142	2496	17	an	an	DT
39142	2496	18	unquestioned	unquestioned	JJ
39142	2496	19	fact	fact	NN
39142	2496	20	.	.	.
39142	2497	1	The	the	DT
39142	2497	2	origin	origin	NN
39142	2497	3	of	of	IN
39142	2497	4	these	these	DT
39142	2497	5	bodies	body	NNS
39142	2497	6	being	be	VBG
39142	2497	7	cosmic	cosmic	JJ
39142	2497	8	,	,	,
39142	2497	9	meteors	meteor	NNS
39142	2497	10	may	may	MD
39142	2497	11	be	be	VB
39142	2497	12	expected	expect	VBN
39142	2497	13	to	to	TO
39142	2497	14	fall	fall	VB
39142	2497	15	upon	upon	IN
39142	2497	16	the	the	DT
39142	2497	17	earth	earth	NN
39142	2497	18	without	without	IN
39142	2497	19	reference	reference	NN
39142	2497	20	to	to	IN
39142	2497	21	latitude	latitude	NN
39142	2497	22	,	,	,
39142	2497	23	or	or	CC
39142	2497	24	season	season	NN
39142	2497	25	,	,	,
39142	2497	26	or	or	CC
39142	2497	27	day	day	NN
39142	2497	28	and	and	CC
39142	2497	29	night	night	NN
39142	2497	30	,	,	,
39142	2497	31	or	or	CC
39142	2497	32	weather	weather	NN
39142	2497	33	.	.	.
39142	2498	1	On	on	IN
39142	2498	2	entering	enter	VBG
39142	2498	3	our	-PRON-	PRP$
39142	2498	4	upper	upper	JJ
39142	2498	5	atmosphere	atmosphere	NN
39142	2498	6	their	-PRON-	PRP$
39142	2498	7	temperature	temperature	NN
39142	2498	8	must	must	MD
39142	2498	9	be	be	VB
39142	2498	10	that	that	DT
39142	2498	11	of	of	IN
39142	2498	12	space	space	NN
39142	2498	13	,	,	,
39142	2498	14	many	many	JJ
39142	2498	15	hundred	hundred	CD
39142	2498	16	degrees	degree	NNS
39142	2498	17	below	below	IN
39142	2498	18	zero	zero	CD
39142	2498	19	;	;	:
39142	2498	20	and	and	CC
39142	2498	21	their	-PRON-	PRP$
39142	2498	22	velocities	velocity	NNS
39142	2498	23	range	range	VBP
39142	2498	24	from	from	IN
39142	2498	25	ten	ten	CD
39142	2498	26	miles	mile	NNS
39142	2498	27	per	per	IN
39142	2498	28	second	second	JJ
39142	2498	29	upward	upward	NN
39142	2498	30	.	.	.
39142	2499	1	But	but	CC
39142	2499	2	atmospheric	atmospheric	JJ
39142	2499	3	resistance	resistance	NN
39142	2499	4	to	to	IN
39142	2499	5	their	-PRON-	PRP$
39142	2499	6	flight	flight	NN
39142	2499	7	is	be	VBZ
39142	2499	8	so	so	RB
39142	2499	9	great	great	JJ
39142	2499	10	that	that	IN
39142	2499	11	their	-PRON-	PRP$
39142	2499	12	velocity	velocity	NN
39142	2499	13	is	be	VBZ
39142	2499	14	quickly	quickly	RB
39142	2499	15	reduced	reduce	VBN
39142	2499	16	:	:	:
39142	2499	17	at	at	IN
39142	2499	18	ground	ground	NN
39142	2499	19	impact	impact	NN
39142	2499	20	it	-PRON-	PRP
39142	2499	21	does	do	VBZ
39142	2499	22	not	not	RB
39142	2499	23	exceed	exceed	VB
39142	2499	24	a	a	DT
39142	2499	25	few	few	JJ
39142	2499	26	hundred	hundred	CD
39142	2499	27	feet	foot	NNS
39142	2499	28	per	per	IN
39142	2499	29	second	second	NN
39142	2499	30	.	.	.
39142	2500	1	On	on	IN
39142	2500	2	January	January	NNP
39142	2500	3	1	1	CD
39142	2500	4	,	,	,
39142	2500	5	1869	1869	CD
39142	2500	6	,	,	,
39142	2500	7	several	several	JJ
39142	2500	8	meteoric	meteoric	JJ
39142	2500	9	stones	stone	NNS
39142	2500	10	fell	fall	VBD
39142	2500	11	on	on	IN
39142	2500	12	ice	ice	NN
39142	2500	13	only	only	RB
39142	2500	14	a	a	DT
39142	2500	15	few	few	JJ
39142	2500	16	inches	inch	NNS
39142	2500	17	thick	thick	JJ
39142	2500	18	in	in	IN
39142	2500	19	Sweden	Sweden	NNP
39142	2500	20	,	,	,
39142	2500	21	rebounding	rebound	VBG
39142	2500	22	without	without	IN
39142	2500	23	either	either	CC
39142	2500	24	breaking	break	VBG
39142	2500	25	through	through	IN
39142	2500	26	the	the	DT
39142	2500	27	ice	ice	NN
39142	2500	28	or	or	CC
39142	2500	29	being	be	VBG
39142	2500	30	themselves	-PRON-	PRP
39142	2500	31	fractured	fracture	VBN
39142	2500	32	.	.	.
39142	2501	1	Naturally	naturally	RB
39142	2501	2	the	the	DT
39142	2501	3	flight	flight	NN
39142	2501	4	of	of	IN
39142	2501	5	a	a	DT
39142	2501	6	meteor	meteor	NN
39142	2501	7	through	through	IN
39142	2501	8	the	the	DT
39142	2501	9	atmosphere	atmosphere	NN
39142	2501	10	will	will	MD
39142	2501	11	be	be	VB
39142	2501	12	only	only	RB
39142	2501	13	a	a	DT
39142	2501	14	few	few	JJ
39142	2501	15	seconds	second	NNS
39142	2501	16	in	in	IN
39142	2501	17	duration	duration	NN
39142	2501	18	,	,	,
39142	2501	19	and	and	CC
39142	2501	20	owing	owe	VBG
39142	2501	21	to	to	IN
39142	2501	22	the	the	DT
39142	2501	23	sudden	sudden	JJ
39142	2501	24	reduction	reduction	NN
39142	2501	25	of	of	IN
39142	2501	26	velocity	velocity	NN
39142	2501	27	,	,	,
39142	2501	28	it	-PRON-	PRP
39142	2501	29	will	will	MD
39142	2501	30	continue	continue	VB
39142	2501	31	to	to	TO
39142	2501	32	be	be	VB
39142	2501	33	luminous	luminous	JJ
39142	2501	34	throughout	throughout	IN
39142	2501	35	only	only	RB
39142	2501	36	the	the	DT
39142	2501	37	upper	upper	JJ
39142	2501	38	part	part	NN
39142	2501	39	of	of	IN
39142	2501	40	its	-PRON-	PRP$
39142	2501	41	course	course	NN
39142	2501	42	.	.	.
39142	2502	1	Visibility	Visibility	NNP
39142	2502	2	generally	generally	RB
39142	2502	3	begins	begin	VBZ
39142	2502	4	at	at	IN
39142	2502	5	an	an	DT
39142	2502	6	elevation	elevation	NN
39142	2502	7	of	of	IN
39142	2502	8	about	about	RB
39142	2502	9	seventy	seventy	CD
39142	2502	10	miles	mile	NNS
39142	2502	11	,	,	,
39142	2502	12	and	and	CC
39142	2502	13	ends	end	VBZ
39142	2502	14	at	at	IN
39142	2502	15	perhaps	perhaps	RB
39142	2502	16	half	half	PDT
39142	2502	17	that	that	DT
39142	2502	18	altitude	altitude	NN
39142	2502	19	.	.	.
39142	2503	1	What	what	WP
39142	2503	2	is	be	VBZ
39142	2503	3	the	the	DT
39142	2503	4	origin	origin	NN
39142	2503	5	of	of	IN
39142	2503	6	meteors	meteor	NNS
39142	2503	7	?	?	.
39142	2504	1	Theories	theory	NNS
39142	2504	2	there	there	EX
39142	2504	3	are	be	VBP
39142	2504	4	in	in	IN
39142	2504	5	great	great	JJ
39142	2504	6	abundance	abundance	NN
39142	2504	7	:	:	:
39142	2504	8	that	that	IN
39142	2504	9	they	-PRON-	PRP
39142	2504	10	come	come	VBP
39142	2504	11	from	from	IN
39142	2504	12	the	the	DT
39142	2504	13	sun	sun	NN
39142	2504	14	,	,	,
39142	2504	15	that	that	IN
39142	2504	16	they	-PRON-	PRP
39142	2504	17	come	come	VBP
39142	2504	18	from	from	IN
39142	2504	19	the	the	DT
39142	2504	20	moon	moon	NN
39142	2504	21	,	,	,
39142	2504	22	that	that	IN
39142	2504	23	they	-PRON-	PRP
39142	2504	24	come	come	VBP
39142	2504	25	from	from	IN
39142	2504	26	the	the	DT
39142	2504	27	earth	earth	NN
39142	2504	28	in	in	IN
39142	2504	29	past	past	JJ
39142	2504	30	ages	age	NNS
39142	2504	31	as	as	IN
39142	2504	32	a	a	DT
39142	2504	33	result	result	NN
39142	2504	34	of	of	IN
39142	2504	35	volcanic	volcanic	JJ
39142	2504	36	action	action	NN
39142	2504	37	,	,	,
39142	2504	38	and	and	CC
39142	2504	39	so	so	RB
39142	2504	40	on	on	RB
39142	2504	41	.	.	.
39142	2505	1	But	but	CC
39142	2505	2	there	there	EX
39142	2505	3	are	be	VBP
39142	2505	4	many	many	JJ
39142	2505	5	difficulties	difficulty	NNS
39142	2505	6	in	in	IN
39142	2505	7	the	the	DT
39142	2505	8	way	way	NN
39142	2505	9	of	of	IN
39142	2505	10	acceptance	acceptance	NN
39142	2505	11	of	of	IN
39142	2505	12	these	these	DT
39142	2505	13	and	and	CC
39142	2505	14	several	several	JJ
39142	2505	15	other	other	JJ
39142	2505	16	theories	theory	NNS
39142	2505	17	.	.	.
39142	2506	1	That	that	IN
39142	2506	2	all	all	DT
39142	2506	3	meteors	meteor	NNS
39142	2506	4	were	be	VBD
39142	2506	5	originally	originally	RB
39142	2506	6	parts	part	NNS
39142	2506	7	of	of	IN
39142	2506	8	cometary	cometary	NN
39142	2506	9	masses	masse	NNS
39142	2506	10	is	be	VBZ
39142	2506	11	however	however	RB
39142	2506	12	a	a	DT
39142	2506	13	theory	theory	NN
39142	2506	14	that	that	WDT
39142	2506	15	may	may	MD
39142	2506	16	be	be	VB
39142	2506	17	accepted	accept	VBN
39142	2506	18	without	without	IN
39142	2506	19	much	much	JJ
39142	2506	20	hesitation	hesitation	NN
39142	2506	21	.	.	.
39142	2507	1	Comets	comet	NNS
39142	2507	2	have	have	VBP
39142	2507	3	been	be	VBN
39142	2507	4	known	know	VBN
39142	2507	5	to	to	TO
39142	2507	6	disintegrate	disintegrate	VB
39142	2507	7	.	.	.
39142	2508	1	Biela	Biela	NNP
39142	2508	2	's	's	POS
39142	2508	3	comet	comet	NN
39142	2508	4	even	even	RB
39142	2508	5	disappeared	disappear	VBD
39142	2508	6	entirely	entirely	RB
39142	2508	7	,	,	,
39142	2508	8	so	so	IN
39142	2508	9	that	that	IN
39142	2508	10	during	during	IN
39142	2508	11	a	a	DT
39142	2508	12	shower	shower	NN
39142	2508	13	of	of	IN
39142	2508	14	Biela	Biela	NNP
39142	2508	15	meteors	meteor	NNS
39142	2508	16	in	in	IN
39142	2508	17	November	November	NNP
39142	2508	18	,	,	,
39142	2508	19	1885	1885	CD
39142	2508	20	,	,	,
39142	2508	21	an	an	DT
39142	2508	22	actual	actual	JJ
39142	2508	23	fragment	fragment	NN
39142	2508	24	of	of	IN
39142	2508	25	the	the	DT
39142	2508	26	lost	lost	JJ
39142	2508	27	comet	comet	NN
39142	2508	28	fell	fall	VBD
39142	2508	29	upon	upon	IN
39142	2508	30	the	the	DT
39142	2508	31	earth	earth	NN
39142	2508	32	,	,	,
39142	2508	33	at	at	IN
39142	2508	34	Mazapil	Mazapil	NNP
39142	2508	35	,	,	,
39142	2508	36	Mexico	Mexico	NNP
39142	2508	37	.	.	.
39142	2509	1	And	and	CC
39142	2509	2	as	as	IN
39142	2509	3	the	the	DT
39142	2509	4	Bielid	Bielid	NNP
39142	2509	5	meteors	meteor	NNS
39142	2509	6	encounter	encounter	VBP
39142	2509	7	the	the	DT
39142	2509	8	earth	earth	NN
39142	2509	9	with	with	IN
39142	2509	10	the	the	DT
39142	2509	11	relatively	relatively	RB
39142	2509	12	low	low	JJ
39142	2509	13	velocity	velocity	NN
39142	2509	14	of	of	IN
39142	2509	15	ten	ten	CD
39142	2509	16	miles	mile	NNS
39142	2509	17	a	a	DT
39142	2509	18	second	second	NN
39142	2509	19	,	,	,
39142	2509	20	we	-PRON-	PRP
39142	2509	21	may	may	MD
39142	2509	22	expect	expect	VB
39142	2509	23	to	to	TO
39142	2509	24	capture	capture	VB
39142	2509	25	other	other	JJ
39142	2509	26	fragments	fragment	NNS
39142	2509	27	in	in	IN
39142	2509	28	the	the	DT
39142	2509	29	future	future	NN
39142	2509	30	.	.	.
39142	2510	1	Numerous	numerous	JJ
39142	2510	2	observers	observer	NNS
39142	2510	3	saw	see	VBD
39142	2510	4	the	the	DT
39142	2510	5	weird	weird	JJ
39142	2510	6	disintegration	disintegration	NN
39142	2510	7	of	of	IN
39142	2510	8	the	the	DT
39142	2510	9	nucleus	nucleus	NN
39142	2510	10	of	of	IN
39142	2510	11	the	the	DT
39142	2510	12	great	great	JJ
39142	2510	13	comet	comet	NN
39142	2510	14	of	of	IN
39142	2510	15	1882	1882	CD
39142	2510	16	,	,	,
39142	2510	17	well	well	RB
39142	2510	18	recognized	recognize	VBN
39142	2510	19	as	as	IN
39142	2510	20	a	a	DT
39142	2510	21	member	member	NN
39142	2510	22	of	of	IN
39142	2510	23	the	the	DT
39142	2510	24	family	family	NN
39142	2510	25	of	of	IN
39142	2510	26	the	the	DT
39142	2510	27	comet	comet	NN
39142	2510	28	of	of	IN
39142	2510	29	1843	1843	CD
39142	2510	30	.	.	.
39142	2511	1	As	as	IN
39142	2511	2	these	these	DT
39142	2511	3	comets	comet	NNS
39142	2511	4	are	be	VBP
39142	2511	5	fellow	fellow	JJ
39142	2511	6	voyagers	voyager	NNS
39142	2511	7	through	through	IN
39142	2511	8	space	space	NN
39142	2511	9	along	along	IN
39142	2511	10	the	the	DT
39142	2511	11	same	same	JJ
39142	2511	12	orbit	orbit	NN
39142	2511	13	,	,	,
39142	2511	14	probably	probably	RB
39142	2511	15	all	all	DT
39142	2511	16	five	five	CD
39142	2511	17	members	member	NNS
39142	2511	18	of	of	IN
39142	2511	19	the	the	DT
39142	2511	20	family	family	NN
39142	2511	21	,	,	,
39142	2511	22	with	with	IN
39142	2511	23	perhaps	perhaps	RB
39142	2511	24	others	other	NNS
39142	2511	25	,	,	,
39142	2511	26	were	be	VBD
39142	2511	27	originally	originally	RB
39142	2511	28	a	a	DT
39142	2511	29	single	single	JJ
39142	2511	30	comet	comet	NN
39142	2511	31	of	of	IN
39142	2511	32	unparalleled	unparalleled	JJ
39142	2511	33	magnitude	magnitude	NN
39142	2511	34	.	.	.
39142	2512	1	The	the	DT
39142	2512	2	Brooks	Brooks	NNP
39142	2512	3	comet	comet	NN
39142	2512	4	of	of	IN
39142	2512	5	1890	1890	CD
39142	2512	6	affords	afford	VBZ
39142	2512	7	another	another	DT
39142	2512	8	instance	instance	NN
39142	2512	9	of	of	IN
39142	2512	10	fragmentary	fragmentary	JJ
39142	2512	11	nucleus	nucleus	NN
39142	2512	12	.	.	.
39142	2513	1	The	the	DT
39142	2513	2	oft	oft	RB
39142	2513	3	-	-	HYPH
39142	2513	4	repeated	repeat	VBN
39142	2513	5	action	action	NN
39142	2513	6	of	of	IN
39142	2513	7	solar	solar	JJ
39142	2513	8	forces	force	NNS
39142	2513	9	tending	tend	VBG
39142	2513	10	to	to	TO
39142	2513	11	disrupt	disrupt	VB
39142	2513	12	the	the	DT
39142	2513	13	mass	mass	NN
39142	2513	14	of	of	IN
39142	2513	15	a	a	DT
39142	2513	16	comet	comet	NN
39142	2513	17	more	more	RBR
39142	2513	18	and	and	CC
39142	2513	19	more	more	RBR
39142	2513	20	,	,	,
39142	2513	21	and	and	CC
39142	2513	22	scatter	scatter	VB
39142	2513	23	its	-PRON-	PRP$
39142	2513	24	material	material	NN
39142	2513	25	throughout	throughout	IN
39142	2513	26	space	space	NN
39142	2513	27	,	,	,
39142	2513	28	the	the	DT
39142	2513	29	secular	secular	JJ
39142	2513	30	dismemberment	dismemberment	NN
39142	2513	31	of	of	IN
39142	2513	32	all	all	DT
39142	2513	33	comets	comet	NNS
39142	2513	34	becomes	become	VBZ
39142	2513	35	an	an	DT
39142	2513	36	obvious	obvious	JJ
39142	2513	37	conclusion	conclusion	NN
39142	2513	38	.	.	.
39142	2514	1	During	during	IN
39142	2514	2	the	the	DT
39142	2514	3	hundreds	hundred	NNS
39142	2514	4	of	of	IN
39142	2514	5	millions	million	NNS
39142	2514	6	of	of	IN
39142	2514	7	years	year	NNS
39142	2514	8	that	that	IN
39142	2514	9	these	these	DT
39142	2514	10	forces	force	NNS
39142	2514	11	are	be	VBP
39142	2514	12	known	know	VBN
39142	2514	13	to	to	TO
39142	2514	14	have	have	VB
39142	2514	15	been	be	VBN
39142	2514	16	operant	operant	JJ
39142	2514	17	,	,	,
39142	2514	18	the	the	DT
39142	2514	19	original	original	JJ
39142	2514	20	comets	comet	NNS
39142	2514	21	have	have	VBP
39142	2514	22	been	be	VBN
39142	2514	23	broken	break	VBN
39142	2514	24	up	up	RP
39142	2514	25	in	in	IN
39142	2514	26	great	great	JJ
39142	2514	27	numbers	number	NNS
39142	2514	28	,	,	,
39142	2514	29	so	so	IN
39142	2514	30	that	that	IN
39142	2514	31	elliptical	elliptical	JJ
39142	2514	32	rings	ring	NNS
39142	2514	33	of	of	IN
39142	2514	34	opaque	opaque	JJ
39142	2514	35	meteoric	meteoric	JJ
39142	2514	36	bodies	body	NNS
39142	2514	37	now	now	RB
39142	2514	38	travel	travel	VBP
39142	2514	39	round	round	IN
39142	2514	40	the	the	DT
39142	2514	41	sun	sun	NN
39142	2514	42	in	in	IN
39142	2514	43	place	place	NN
39142	2514	44	of	of	IN
39142	2514	45	the	the	DT
39142	2514	46	comets	comet	NNS
39142	2514	47	.	.	.
39142	2515	1	These	these	DT
39142	2515	2	bodies	body	NNS
39142	2515	3	in	in	IN
39142	2515	4	vast	vast	JJ
39142	2515	5	numbers	number	NNS
39142	2515	6	are	be	VBP
39142	2515	7	everywhere	everywhere	RB
39142	2515	8	through	through	IN
39142	2515	9	space	space	NN
39142	2515	10	,	,	,
39142	2515	11	each	each	DT
39142	2515	12	too	too	RB
39142	2515	13	small	small	JJ
39142	2515	14	to	to	TO
39142	2515	15	reflect	reflect	VB
39142	2515	16	an	an	DT
39142	2515	17	appreciable	appreciable	JJ
39142	2515	18	amount	amount	NN
39142	2515	19	of	of	IN
39142	2515	20	sunlight	sunlight	NN
39142	2515	21	,	,	,
39142	2515	22	and	and	CC
39142	2515	23	becoming	become	VBG
39142	2515	24	visible	visible	JJ
39142	2515	25	only	only	RB
39142	2515	26	when	when	WRB
39142	2515	27	they	-PRON-	PRP
39142	2515	28	come	come	VBP
39142	2515	29	into	into	IN
39142	2515	30	collision	collision	NN
39142	2515	31	with	with	IN
39142	2515	32	our	-PRON-	PRP$
39142	2515	33	outer	outer	JJ
39142	2515	34	atmosphere	atmosphere	NN
39142	2515	35	.	.	.
39142	2516	1	The	the	DT
39142	2516	2	practical	practical	JJ
39142	2516	3	identity	identity	NN
39142	2516	4	of	of	IN
39142	2516	5	several	several	JJ
39142	2516	6	such	such	JJ
39142	2516	7	meteor	meteor	JJ
39142	2516	8	streams	stream	NNS
39142	2516	9	and	and	CC
39142	2516	10	cometary	cometary	NN
39142	2516	11	orbits	orbit	NNS
39142	2516	12	has	have	VBZ
39142	2516	13	already	already	RB
39142	2516	14	been	be	VBN
39142	2516	15	established	establish	VBN
39142	2516	16	,	,	,
39142	2516	17	and	and	CC
39142	2516	18	there	there	EX
39142	2516	19	is	be	VBZ
39142	2516	20	every	every	DT
39142	2516	21	reason	reason	NN
39142	2516	22	for	for	IN
39142	2516	23	assigning	assign	VBG
39142	2516	24	a	a	DT
39142	2516	25	similar	similar	JJ
39142	2516	26	origin	origin	NN
39142	2516	27	to	to	IN
39142	2516	28	all	all	DT
39142	2516	29	meteoric	meteoric	JJ
39142	2516	30	bodies	body	NNS
39142	2516	31	.	.	.
39142	2517	1	Meteors	meteor	NNS
39142	2517	2	,	,	,
39142	2517	3	then	then	RB
39142	2517	4	,	,	,
39142	2517	5	were	be	VBD
39142	2517	6	originally	originally	RB
39142	2517	7	parts	part	NNS
39142	2517	8	of	of	IN
39142	2517	9	comets	comet	NNS
39142	2517	10	,	,	,
39142	2517	11	which	which	WDT
39142	2517	12	have	have	VBP
39142	2517	13	trailed	trail	VBN
39142	2517	14	themselves	-PRON-	PRP
39142	2517	15	out	out	RP
39142	2517	16	to	to	IN
39142	2517	17	such	such	JJ
39142	2517	18	extent	extent	NN
39142	2517	19	that	that	IN
39142	2517	20	particles	particle	NNS
39142	2517	21	of	of	IN
39142	2517	22	the	the	DT
39142	2517	23	primal	primal	JJ
39142	2517	24	masses	masse	NNS
39142	2517	25	are	be	VBP
39142	2517	26	liable	liable	JJ
39142	2517	27	to	to	TO
39142	2517	28	be	be	VB
39142	2517	29	picked	pick	VBN
39142	2517	30	up	up	RP
39142	2517	31	anywhere	anywhere	RB
39142	2517	32	along	along	IN
39142	2517	33	the	the	DT
39142	2517	34	original	original	JJ
39142	2517	35	cometary	cometary	JJ
39142	2517	36	paths	path	NNS
39142	2517	37	.	.	.
39142	2518	1	The	the	DT
39142	2518	2	historic	historic	JJ
39142	2518	3	records	record	NNS
39142	2518	4	of	of	IN
39142	2518	5	all	all	DT
39142	2518	6	countries	country	NNS
39142	2518	7	contain	contain	VBP
39142	2518	8	trustworthy	trustworthy	JJ
39142	2518	9	accounts	account	NNS
39142	2518	10	of	of	IN
39142	2518	11	meteoric	meteoric	JJ
39142	2518	12	showers	shower	NNS
39142	2518	13	.	.	.
39142	2519	1	Making	make	VBG
39142	2519	2	due	due	JJ
39142	2519	3	allowances	allowance	NNS
39142	2519	4	for	for	IN
39142	2519	5	the	the	DT
39142	2519	6	flowery	flowery	JJ
39142	2519	7	imagery	imagery	NN
39142	2519	8	of	of	IN
39142	2519	9	the	the	DT
39142	2519	10	oriental	oriental	JJ
39142	2519	11	,	,	,
39142	2519	12	it	-PRON-	PRP
39142	2519	13	is	be	VBZ
39142	2519	14	evident	evident	JJ
39142	2519	15	that	that	IN
39142	2519	16	all	all	DT
39142	2519	17	have	have	VB
39142	2519	18	at	at	IN
39142	2519	19	one	one	CD
39142	2519	20	time	time	NN
39142	2519	21	or	or	CC
39142	2519	22	another	another	DT
39142	2519	23	seen	see	VBN
39142	2519	24	much	much	RB
39142	2519	25	the	the	DT
39142	2519	26	same	same	JJ
39142	2519	27	thing	thing	NN
39142	2519	28	.	.	.
39142	2520	1	In	in	IN
39142	2520	2	A.	a.	NN
39142	2520	3	D.	D.	NNP
39142	2520	4	472	472	CD
39142	2520	5	,	,	,
39142	2520	6	for	for	IN
39142	2520	7	instance	instance	NN
39142	2520	8	,	,	,
39142	2520	9	the	the	DT
39142	2520	10	Constantinople	Constantinople	NNP
39142	2520	11	sky	sky	NN
39142	2520	12	was	be	VBD
39142	2520	13	reported	report	VBN
39142	2520	14	alive	alive	JJ
39142	2520	15	with	with	IN
39142	2520	16	flying	fly	VBG
39142	2520	17	stars	star	NNS
39142	2520	18	.	.	.
39142	2521	1	In	in	IN
39142	2521	2	October	October	NNP
39142	2521	3	,	,	,
39142	2521	4	1202	1202	CD
39142	2521	5	,	,	,
39142	2521	6	"	"	``
39142	2521	7	stars	star	NNS
39142	2521	8	appeared	appear	VBD
39142	2521	9	like	like	IN
39142	2521	10	waves	wave	NNS
39142	2521	11	upon	upon	IN
39142	2521	12	the	the	DT
39142	2521	13	sky	sky	NN
39142	2521	14	;	;	:
39142	2521	15	and	and	CC
39142	2521	16	they	-PRON-	PRP
39142	2521	17	flew	fly	VBD
39142	2521	18	about	about	IN
39142	2521	19	like	like	IN
39142	2521	20	grasshoppers	grasshopper	NNS
39142	2521	21	.	.	.
39142	2521	22	"	"	''
39142	2522	1	During	during	IN
39142	2522	2	the	the	DT
39142	2522	3	reign	reign	NN
39142	2522	4	of	of	IN
39142	2522	5	King	King	NNP
39142	2522	6	William	William	NNP
39142	2522	7	II	II	NNP
39142	2522	8	occurred	occur	VBD
39142	2522	9	a	a	DT
39142	2522	10	very	very	RB
39142	2522	11	remarkable	remarkable	JJ
39142	2522	12	shower	shower	NN
39142	2522	13	in	in	IN
39142	2522	14	which	which	WDT
39142	2522	15	"	"	``
39142	2522	16	stars	star	NNS
39142	2522	17	seemed	seem	VBD
39142	2522	18	to	to	TO
39142	2522	19	fall	fall	VB
39142	2522	20	like	like	IN
39142	2522	21	rain	rain	NN
39142	2522	22	from	from	IN
39142	2522	23	heaven	heaven	NNP
39142	2522	24	.	.	.
39142	2522	25	"	"	''
39142	2523	1	But	but	CC
39142	2523	2	the	the	DT
39142	2523	3	showers	shower	NNS
39142	2523	4	of	of	IN
39142	2523	5	November	November	NNP
39142	2523	6	,	,	,
39142	2523	7	1799	1799	CD
39142	2523	8	and	and	CC
39142	2523	9	1833	1833	CD
39142	2523	10	,	,	,
39142	2523	11	are	be	VBP
39142	2523	12	easily	easily	RB
39142	2523	13	the	the	DT
39142	2523	14	most	most	RBS
39142	2523	15	striking	striking	JJ
39142	2523	16	of	of	IN
39142	2523	17	all	all	DT
39142	2523	18	.	.	.
39142	2524	1	The	the	DT
39142	2524	2	sky	sky	NN
39142	2524	3	was	be	VBD
39142	2524	4	filled	fill	VBN
39142	2524	5	with	with	IN
39142	2524	6	innumerable	innumerable	JJ
39142	2524	7	fiery	fiery	JJ
39142	2524	8	trails	trail	NNS
39142	2524	9	and	and	CC
39142	2524	10	there	there	EX
39142	2524	11	was	be	VBD
39142	2524	12	not	not	RB
39142	2524	13	a	a	DT
39142	2524	14	space	space	NN
39142	2524	15	in	in	IN
39142	2524	16	the	the	DT
39142	2524	17	heavens	heavens	NNPS
39142	2524	18	a	a	DT
39142	2524	19	few	few	JJ
39142	2524	20	times	time	NNS
39142	2524	21	the	the	DT
39142	2524	22	size	size	NN
39142	2524	23	of	of	IN
39142	2524	24	the	the	DT
39142	2524	25	moon	moon	NN
39142	2524	26	that	that	WDT
39142	2524	27	was	be	VBD
39142	2524	28	not	not	RB
39142	2524	29	ablaze	ablaze	JJ
39142	2524	30	with	with	IN
39142	2524	31	celestial	celestial	JJ
39142	2524	32	fireworks	firework	NNS
39142	2524	33	.	.	.
39142	2525	1	Frequently	frequently	RB
39142	2525	2	huge	huge	JJ
39142	2525	3	meteors	meteor	NNS
39142	2525	4	blended	blend	VBD
39142	2525	5	their	-PRON-	PRP$
39142	2525	6	dazzling	dazzling	JJ
39142	2525	7	brilliancy	brilliancy	NN
39142	2525	8	with	with	IN
39142	2525	9	the	the	DT
39142	2525	10	long	long	JJ
39142	2525	11	and	and	CC
39142	2525	12	seemingly	seemingly	RB
39142	2525	13	phosphorescent	phosphorescent	JJ
39142	2525	14	trails	trail	NNS
39142	2525	15	of	of	IN
39142	2525	16	the	the	DT
39142	2525	17	shooting	shooting	NN
39142	2525	18	stars	star	NNS
39142	2525	19	.	.	.
39142	2526	1	The	the	DT
39142	2526	2	interval	interval	NN
39142	2526	3	of	of	IN
39142	2526	4	thirty	thirty	CD
39142	2526	5	-	-	HYPH
39142	2526	6	four	four	CD
39142	2526	7	years	year	NNS
39142	2526	8	between	between	IN
39142	2526	9	1799	1799	CD
39142	2526	10	and	and	CC
39142	2526	11	1833	1833	CD
39142	2526	12	appeared	appear	VBD
39142	2526	13	to	to	TO
39142	2526	14	indicate	indicate	VB
39142	2526	15	the	the	DT
39142	2526	16	possibility	possibility	NN
39142	2526	17	of	of	IN
39142	2526	18	a	a	DT
39142	2526	19	return	return	NN
39142	2526	20	of	of	IN
39142	2526	21	the	the	DT
39142	2526	22	shower	shower	NN
39142	2526	23	in	in	IN
39142	2526	24	November	November	NNP
39142	2526	25	of	of	IN
39142	2526	26	1866	1866	CD
39142	2526	27	or	or	CC
39142	2526	28	1867	1867	CD
39142	2526	29	,	,	,
39142	2526	30	and	and	CC
39142	2526	31	all	all	PDT
39142	2526	32	the	the	DT
39142	2526	33	people	people	NNS
39142	2526	34	of	of	IN
39142	2526	35	that	that	DT
39142	2526	36	day	day	NN
39142	2526	37	were	be	VBD
39142	2526	38	aroused	arouse	VBN
39142	2526	39	on	on	IN
39142	2526	40	this	this	DT
39142	2526	41	subject	subject	NN
39142	2526	42	and	and	CC
39142	2526	43	made	make	VBD
39142	2526	44	every	every	DT
39142	2526	45	preparation	preparation	NN
39142	2526	46	to	to	TO
39142	2526	47	witness	witness	VB
39142	2526	48	the	the	DT
39142	2526	49	spectacle	spectacle	NN
39142	2526	50	.	.	.
39142	2527	1	Extemporized	extemporize	VBN
39142	2527	2	observatories	observatory	NNS
39142	2527	3	were	be	VBD
39142	2527	4	established	establish	VBN
39142	2527	5	,	,	,
39142	2527	6	watchmen	watchmen	NNP
39142	2527	7	were	be	VBD
39142	2527	8	everywhere	everywhere	RB
39142	2527	9	on	on	IN
39142	2527	10	the	the	DT
39142	2527	11	lookout	lookout	NN
39142	2527	12	,	,	,
39142	2527	13	and	and	CC
39142	2527	14	bells	bell	NNS
39142	2527	15	were	be	VBD
39142	2527	16	to	to	TO
39142	2527	17	be	be	VB
39142	2527	18	rung	ring	VBN
39142	2527	19	the	the	DT
39142	2527	20	minute	minute	NN
39142	2527	21	the	the	DT
39142	2527	22	shower	shower	NN
39142	2527	23	began	begin	VBD
39142	2527	24	.	.	.
39142	2528	1	The	the	DT
39142	2528	2	newspapers	newspaper	NNS
39142	2528	3	of	of	IN
39142	2528	4	the	the	DT
39142	2528	5	day	day	NN
39142	2528	6	did	do	VBD
39142	2528	7	little	little	JJ
39142	2528	8	to	to	TO
39142	2528	9	allay	allay	VB
39142	2528	10	the	the	DT
39142	2528	11	fears	fear	NNS
39142	2528	12	of	of	IN
39142	2528	13	the	the	DT
39142	2528	14	multitude	multitude	NN
39142	2528	15	,	,	,
39142	2528	16	but	but	CC
39142	2528	17	the	the	DT
39142	2528	18	critical	critical	JJ
39142	2528	19	days	day	NNS
39142	2528	20	of	of	IN
39142	2528	21	November	November	NNP
39142	2528	22	,	,	,
39142	2528	23	1866	1866	CD
39142	2528	24	,	,	,
39142	2528	25	passed	pass	VBN
39142	2528	26	with	with	IN
39142	2528	27	disappointment	disappointment	NN
39142	2528	28	in	in	IN
39142	2528	29	America	America	NNP
39142	2528	30	.	.	.
39142	2529	1	In	in	IN
39142	2529	2	Europe	Europe	NNP
39142	2529	3	,	,	,
39142	2529	4	however	however	RB
39142	2529	5	,	,	,
39142	2529	6	a	a	DT
39142	2529	7	fine	fine	JJ
39142	2529	8	shower	shower	NN
39142	2529	9	was	be	VBD
39142	2529	10	seen	see	VBN
39142	2529	11	,	,	,
39142	2529	12	though	though	IN
39142	2529	13	it	-PRON-	PRP
39142	2529	14	was	be	VBD
39142	2529	15	not	not	RB
39142	2529	16	equal	equal	JJ
39142	2529	17	to	to	IN
39142	2529	18	that	that	DT
39142	2529	19	of	of	IN
39142	2529	20	1833	1833	CD
39142	2529	21	.	.	.
39142	2530	1	The	the	DT
39142	2530	2	astronomers	astronomer	NNS
39142	2530	3	at	at	IN
39142	2530	4	Greenwich	Greenwich	NNP
39142	2530	5	counted	count	VBD
39142	2530	6	many	many	JJ
39142	2530	7	thousand	thousand	CD
39142	2530	8	meteors	meteor	NNS
39142	2530	9	.	.	.
39142	2531	1	In	in	IN
39142	2531	2	November	November	NNP
39142	2531	3	of	of	IN
39142	2531	4	1867	1867	CD
39142	2531	5	,	,	,
39142	2531	6	however	however	RB
39142	2531	7	,	,	,
39142	2531	8	American	american	JJ
39142	2531	9	astronomers	astronomer	NNS
39142	2531	10	were	be	VBD
39142	2531	11	gratified	gratify	VBN
39142	2531	12	by	by	IN
39142	2531	13	a	a	DT
39142	2531	14	grand	grand	JJ
39142	2531	15	display	display	NN
39142	2531	16	,	,	,
39142	2531	17	which	which	WDT
39142	2531	18	,	,	,
39142	2531	19	although	although	IN
39142	2531	20	failing	fail	VBG
39142	2531	21	to	to	TO
39142	2531	22	match	match	VB
39142	2531	23	the	the	DT
39142	2531	24	general	general	JJ
39142	2531	25	expectation	expectation	NN
39142	2531	26	,	,	,
39142	2531	27	nevertheless	nevertheless	RB
39142	2531	28	was	be	VBD
39142	2531	29	a	a	DT
39142	2531	30	most	most	RBS
39142	2531	31	striking	striking	JJ
39142	2531	32	spectacle	spectacle	NN
39142	2531	33	,	,	,
39142	2531	34	and	and	CC
39142	2531	35	the	the	DT
39142	2531	36	careful	careful	JJ
39142	2531	37	preparation	preparation	NN
39142	2531	38	for	for	IN
39142	2531	39	observing	observe	VBG
39142	2531	40	it	-PRON-	PRP
39142	2531	41	afforded	afford	VBD
39142	2531	42	data	datum	NNS
39142	2531	43	of	of	IN
39142	2531	44	observation	observation	NN
39142	2531	45	which	which	WDT
39142	2531	46	were	be	VBD
39142	2531	47	of	of	IN
39142	2531	48	the	the	DT
39142	2531	49	greatest	great	JJS
39142	2531	50	scientific	scientific	JJ
39142	2531	51	value	value	NN
39142	2531	52	.	.	.
39142	2532	1	The	the	DT
39142	2532	2	actual	actual	JJ
39142	2532	3	orbits	orbit	NNS
39142	2532	4	of	of	IN
39142	2532	5	these	these	DT
39142	2532	6	bodies	body	NNS
39142	2532	7	in	in	IN
39142	2532	8	space	space	NN
39142	2532	9	became	become	VBD
39142	2532	10	known	know	VBN
39142	2532	11	with	with	IN
39142	2532	12	great	great	JJ
39142	2532	13	exactitude	exactitude	NN
39142	2532	14	,	,	,
39142	2532	15	and	and	CC
39142	2532	16	it	-PRON-	PRP
39142	2532	17	was	be	VBD
39142	2532	18	found	find	VBN
39142	2532	19	that	that	IN
39142	2532	20	their	-PRON-	PRP$
39142	2532	21	general	general	JJ
39142	2532	22	path	path	NN
39142	2532	23	was	be	VBD
39142	2532	24	identical	identical	JJ
39142	2532	25	with	with	IN
39142	2532	26	that	that	DT
39142	2532	27	of	of	IN
39142	2532	28	the	the	DT
39142	2532	29	first	first	JJ
39142	2532	30	comet	comet	NN
39142	2532	31	of	of	IN
39142	2532	32	1866	1866	CD
39142	2532	33	,	,	,
39142	2532	34	which	which	WDT
39142	2532	35	travels	travel	VBZ
39142	2532	36	outward	outward	RB
39142	2532	37	somewhat	somewhat	RB
39142	2532	38	beyond	beyond	IN
39142	2532	39	the	the	DT
39142	2532	40	planet	planet	NN
39142	2532	41	Uranus	uranus	NN
39142	2532	42	.	.	.
39142	2533	1	When	when	WRB
39142	2533	2	the	the	DT
39142	2533	3	visible	visible	JJ
39142	2533	4	paths	path	NNS
39142	2533	5	of	of	IN
39142	2533	6	these	these	DT
39142	2533	7	meteors	meteor	NNS
39142	2533	8	are	be	VBP
39142	2533	9	traced	trace	VBN
39142	2533	10	backward	backward	RB
39142	2533	11	,	,	,
39142	2533	12	all	all	RB
39142	2533	13	appear	appear	VBP
39142	2533	14	as	as	IN
39142	2533	15	if	if	IN
39142	2533	16	they	-PRON-	PRP
39142	2533	17	originated	originate	VBD
39142	2533	18	from	from	IN
39142	2533	19	the	the	DT
39142	2533	20	constellation	constellation	NN
39142	2533	21	Leo	Leo	NNP
39142	2533	22	.	.	.
39142	2534	1	So	so	RB
39142	2534	2	they	-PRON-	PRP
39142	2534	3	are	be	VBP
39142	2534	4	known	know	VBN
39142	2534	5	as	as	IN
39142	2534	6	Leonids	Leonids	NNP
39142	2534	7	,	,	,
39142	2534	8	and	and	CC
39142	2534	9	a	a	DT
39142	2534	10	return	return	NN
39142	2534	11	of	of	IN
39142	2534	12	the	the	DT
39142	2534	13	shower	shower	NN
39142	2534	14	was	be	VBD
39142	2534	15	confidently	confidently	RB
39142	2534	16	predicted	predict	VBN
39142	2534	17	for	for	IN
39142	2534	18	November	November	NNP
39142	2534	19	,	,	,
39142	2534	20	1900	1900	CD
39142	2534	21	-	-	SYM
39142	2534	22	1901	1901	CD
39142	2534	23	,	,	,
39142	2534	24	which	which	WDT
39142	2534	25	for	for	IN
39142	2534	26	unknown	unknown	JJ
39142	2534	27	reasons	reason	NNS
39142	2534	28	failed	fail	VBD
39142	2534	29	to	to	TO
39142	2534	30	appear	appear	VB
39142	2534	31	.	.	.
39142	2535	1	[	[	-LRB-
39142	2535	2	Illustration	illustration	NN
39142	2535	3	:	:	:
39142	2535	4	TWO	two	CD
39142	2535	5	VIEWS	view	NNS
39142	2535	6	OF	of	IN
39142	2535	7	HALLEY	HALLEY	NNP
39142	2535	8	'S	'S	NNP
39142	2535	9	COMET	COMET	NNS
39142	2535	10	.	.	.
39142	2536	1	Taken	take	VBN
39142	2536	2	with	with	IN
39142	2536	3	the	the	DT
39142	2536	4	same	same	JJ
39142	2536	5	camera	camera	NN
39142	2536	6	from	from	IN
39142	2536	7	the	the	DT
39142	2536	8	same	same	JJ
39142	2536	9	position	position	NN
39142	2536	10	,	,	,
39142	2536	11	one	one	CD
39142	2536	12	on	on	IN
39142	2536	13	May	May	NNP
39142	2536	14	12	12	CD
39142	2536	15	,	,	,
39142	2536	16	and	and	CC
39142	2536	17	the	the	DT
39142	2536	18	other	other	JJ
39142	2536	19	on	on	IN
39142	2536	20	May	May	NNP
39142	2536	21	15	15	CD
39142	2536	22	,	,	,
39142	2536	23	1910	1910	CD
39142	2536	24	.	.	.
39142	2537	1	(	(	-LRB-
39142	2537	2	_	_	NNP
39142	2537	3	Photo	Photo	NNP
39142	2537	4	,	,	,
39142	2537	5	Mt.	Mount	NNP
39142	2538	1	Wilson	Wilson	NNP
39142	2538	2	Solar	Solar	NNP
39142	2538	3	Observatory	Observatory	NNP
39142	2538	4	.	.	.
39142	2538	5	_	_	NNP
39142	2538	6	)	)	-RRB-
39142	2538	7	]	]	-RRB-
39142	2538	8	[	[	-LRB-
39142	2538	9	Illustration	illustration	NN
39142	2538	10	:	:	:
39142	2538	11	SWIFT	SWIFT	NNP
39142	2538	12	'S	's	POS
39142	2538	13	COMET	COMET	NNS
39142	2538	14	OF	of	IN
39142	2538	15	1892	1892	CD
39142	2538	16	.	.	.
39142	2539	1	This	this	DT
39142	2539	2	comet	comet	NN
39142	2539	3	showed	show	VBD
39142	2539	4	extraordinary	extraordinary	JJ
39142	2539	5	and	and	CC
39142	2539	6	rapid	rapid	JJ
39142	2539	7	transformations	transformation	NNS
39142	2539	8	,	,	,
39142	2539	9	one	one	CD
39142	2539	10	day	day	NN
39142	2539	11	having	have	VBG
39142	2539	12	a	a	DT
39142	2539	13	dozen	dozen	NN
39142	2539	14	streamers	streamer	NNS
39142	2539	15	in	in	IN
39142	2539	16	its	-PRON-	PRP$
39142	2539	17	tail	tail	NN
39142	2539	18	,	,	,
39142	2539	19	another	another	DT
39142	2539	20	only	only	JJ
39142	2539	21	two	two	CD
39142	2539	22	.	.	.
39142	2540	1	(	(	-LRB-
39142	2540	2	_	_	NNP
39142	2540	3	Photo	Photo	NNP
39142	2540	4	by	by	IN
39142	2540	5	Prof.	Prof.	NNP
39142	2540	6	E.	E.	NNP
39142	2540	7	E.	E.	NNP
39142	2540	8	Barnard	Barnard	NNP
39142	2540	9	.	.	.
39142	2540	10	_	_	NNP
39142	2540	11	)	)	-RRB-
39142	2540	12	]	]	-RRB-
39142	2540	13	[	[	-LRB-
39142	2540	14	Illustration	illustration	NN
39142	2540	15	:	:	:
39142	2540	16	A	a	DT
39142	2540	17	LARGE	large	JJ
39142	2540	18	METEOR	meteor	JJ
39142	2540	19	TRAIL	trail	NN
39142	2540	20	IN	in	IN
39142	2540	21	THE	the	DT
39142	2540	22	FIELD	field	NN
39142	2540	23	WITH	with	IN
39142	2540	24	FINE	fine	JJ
39142	2540	25	NEBULÆ	nebulæ	NN
39142	2540	26	.	.	.
39142	2541	1	(	(	-LRB-
39142	2541	2	_	_	NNP
39142	2541	3	Photo	Photo	NNP
39142	2541	4	,	,	,
39142	2541	5	Yerkes	Yerkes	NNP
39142	2541	6	Observatory	Observatory	NNP
39142	2541	7	.	.	.
39142	2541	8	_	_	NNP
39142	2541	9	)	)	-RRB-
39142	2541	10	]	]	-RRB-
39142	2541	11	During	during	IN
39142	2541	12	the	the	DT
39142	2541	13	last	last	JJ
39142	2541	14	half	half	JJ
39142	2541	15	century	century	NN
39142	2541	16	meteors	meteor	NNS
39142	2541	17	have	have	VBP
39142	2541	18	been	be	VBN
39142	2541	19	pretty	pretty	RB
39142	2541	20	systematically	systematically	RB
39142	2541	21	observed	observe	VBN
39142	2541	22	,	,	,
39142	2541	23	especially	especially	RB
39142	2541	24	by	by	IN
39142	2541	25	the	the	DT
39142	2541	26	astronomers	astronomer	NNS
39142	2541	27	of	of	IN
39142	2541	28	Italy	Italy	NNP
39142	2541	29	and	and	CC
39142	2541	30	Denning	Denning	NNP
39142	2541	31	of	of	IN
39142	2541	32	England	England	NNP
39142	2541	33	,	,	,
39142	2541	34	so	so	IN
39142	2541	35	that	that	IN
39142	2541	36	several	several	JJ
39142	2541	37	hundred	hundred	CD
39142	2541	38	distinct	distinct	JJ
39142	2541	39	showers	shower	NNS
39142	2541	40	are	be	VBP
39142	2541	41	now	now	RB
39142	2541	42	known	know	VBN
39142	2541	43	,	,	,
39142	2541	44	their	-PRON-	PRP$
39142	2541	45	radiant	radiant	JJ
39142	2541	46	points	point	NNS
39142	2541	47	fall	fall	VBP
39142	2541	48	in	in	IN
39142	2541	49	every	every	DT
39142	2541	50	part	part	NN
39142	2541	51	of	of	IN
39142	2541	52	the	the	DT
39142	2541	53	heavens	heavens	NNPS
39142	2541	54	,	,	,
39142	2541	55	and	and	CC
39142	2541	56	there	there	EX
39142	2541	57	is	be	VBZ
39142	2541	58	scarcely	scarcely	RB
39142	2541	59	a	a	DT
39142	2541	60	clear	clear	JJ
39142	2541	61	moonless	moonless	JJ
39142	2541	62	night	night	NN
39142	2541	63	when	when	WRB
39142	2541	64	careful	careful	JJ
39142	2541	65	watching	watch	VBG
39142	2541	66	for	for	IN
39142	2541	67	meteors	meteor	NNS
39142	2541	68	will	will	MD
39142	2541	69	be	be	VB
39142	2541	70	unrewarded	unrewarde	VBN
39142	2541	71	.	.	.
39142	2542	1	Besides	besides	IN
39142	2542	2	November	November	NNP
39142	2542	3	,	,	,
39142	2542	4	the	the	DT
39142	2542	5	months	month	NNS
39142	2542	6	of	of	IN
39142	2542	7	August	August	NNP
39142	2542	8	(	(	-LRB-
39142	2542	9	Perseids	Perseids	NNP
39142	2542	10	)	)	-RRB-
39142	2542	11	,	,	,
39142	2542	12	April	April	NNP
39142	2542	13	(	(	-LRB-
39142	2542	14	Lyrids	Lyrids	NNP
39142	2542	15	)	)	-RRB-
39142	2542	16	,	,	,
39142	2542	17	and	and	CC
39142	2542	18	December	December	NNP
39142	2542	19	(	(	-LRB-
39142	2542	20	Geminids	Geminids	NNP
39142	2542	21	)	)	-RRB-
39142	2542	22	are	be	VBP
39142	2542	23	favorable	favorable	JJ
39142	2542	24	.	.	.
39142	2543	1	Following	follow	VBG
39142	2543	2	in	in	IN
39142	2543	3	tabular	tabular	JJ
39142	2543	4	form	form	NN
39142	2543	5	is	be	VBZ
39142	2543	6	a	a	DT
39142	2543	7	fairly	fairly	RB
39142	2543	8	comprehensive	comprehensive	JJ
39142	2543	9	list	list	NN
39142	2543	10	of	of	IN
39142	2543	11	the	the	DT
39142	2543	12	meteoric	meteoric	JJ
39142	2543	13	showers	shower	NNS
39142	2543	14	of	of	IN
39142	2543	15	the	the	DT
39142	2543	16	year	year	NN
39142	2543	17	,	,	,
39142	2543	18	with	with	IN
39142	2543	19	the	the	DT
39142	2543	20	positions	position	NNS
39142	2543	21	of	of	IN
39142	2543	22	the	the	DT
39142	2543	23	radiant	radiant	JJ
39142	2543	24	points	point	NNS
39142	2543	25	and	and	CC
39142	2543	26	the	the	DT
39142	2543	27	epochs	epoch	NNS
39142	2543	28	of	of	IN
39142	2543	29	the	the	DT
39142	2543	30	showers	shower	NNS
39142	2543	31	according	accord	VBG
39142	2543	32	to	to	IN
39142	2543	33	Denning	den	VBG
39142	2543	34	:	:	:
39142	2543	35	RADIANT	RADIANT	NNP
39142	2543	36	POINT	POINT	NNS
39142	2543	37	=	=	SYM
39142	2543	38	=	=	SYM
39142	2543	39	=	=	SYM
39142	2543	40	=	=	SYM
39142	2543	41	=	=	SYM
39142	2543	42	=	=	SYM
39142	2543	43	=	=	SYM
39142	2543	44	=	=	SYM
39142	2543	45	=	=	SYM
39142	2543	46	=	=	SYM
39142	2543	47	=	=	SYM
39142	2543	48	=	=	SYM
39142	2543	49	=	=	SYM
39142	2543	50	=	=	SYM
39142	2543	51	=	=	SYM
39142	2543	52	=	=	SYM
39142	2543	53	=	=	SYM
39142	2543	54	=	=	SYM
39142	2543	55	=	=	SYM
39142	2543	56	=	=	SYM
39142	2543	57	=	=	SYM
39142	2543	58	=	=	SYM
39142	2543	59	=	=	SYM
39142	2543	60	=	=	SYM
39142	2543	61	=	=	SYM
39142	2543	62	=	=	SYM
39142	2543	63	=	=	SYM
39142	2543	64	=	=	SYM
39142	2543	65	=	=	SYM
39142	2543	66	=	=	SYM
39142	2543	67	=	=	SYM
39142	2543	68	=	=	SYM
39142	2543	69	=	=	SYM
39142	2543	70	=	=	SYM
39142	2543	71	=	=	SYM
39142	2543	72	=	=	SYM
39142	2543	73	=	=	SYM
39142	2543	74	=	=	SYM
39142	2543	75	=	=	SYM
39142	2543	76	=	=	SYM
39142	2543	77	=	=	SYM
39142	2543	78	=	=	SYM
39142	2543	79	=	=	SYM
39142	2543	80	=	=	SYM
39142	2543	81	=	=	SYM
39142	2543	82	=	=	SYM
39142	2543	83	=	=	SYM
39142	2543	84	=	=	SYM
39142	2543	85	=	=	SYM
39142	2543	86	=	=	SYM
39142	2543	87	=	=	SYM
39142	2543	88	=	=	SYM
39142	2543	89	=	=	SYM
39142	2543	90	=	=	SYM
39142	2543	91	=	=	SYM
39142	2543	92	=	=	SYM
39142	2543	93	=	=	SYM
39142	2543	94	=	=	SYM
39142	2543	95	=	=	NFP
39142	2543	96	=	=	NFP
39142	2543	97	Name	name	NN
39142	2543	98	of	of	IN
39142	2543	99	Shower	Shower	NNP
39142	2543	100	|	|	NNP
39142	2543	101	R.	R.	NNP
39142	2543	102	A.	a.	NN
39142	2544	1	|	|	NNP
39142	2544	2	Decl	Decl	NNP
39142	2544	3	.	.	.
39142	2545	1	|	|	NNP
39142	2545	2	Date	Date	NNP
39142	2545	3	of	of	IN
39142	2545	4	Shower	Shower	NNP
39142	2545	5	-----------------------+---------+--------+-----------------	-----------------------+---------+--------+-----------------	NNP
39142	2545	6	Quadrantids	Quadrantids	NNP
39142	2545	7	|	|	NNP
39142	2545	8	230	230	CD
39142	2545	9	°	°	,
39142	2545	10	|	|	NNP
39142	2545	11	+53	+53	NNS
39142	2545	12	°	°	,
39142	2545	13	|	|	NNP
39142	2545	14	Jan.	January	NNP
39142	2545	15	2	2	CD
39142	2545	16	-	-	SYM
39142	2545	17	4	4	CD
39142	2545	18	Zeta	Zeta	NNP
39142	2545	19	Cepheids	Cepheids	NNPS
39142	2545	20	|	|	NNP
39142	2545	21	331	331	CD
39142	2545	22	°	°	,
39142	2545	23	|	|	CD
39142	2545	24	+56	+56	NNS
39142	2545	25	°	°	,
39142	2545	26	|	|	NNP
39142	2545	27	Jan.	January	NNP
39142	2545	28	25	25	CD
39142	2545	29	Alpha	Alpha	NNP
39142	2545	30	Leonids	Leonids	NNPS
39142	2545	31	|	|	NNP
39142	2545	32	155	155	CD
39142	2545	33	°	°	,
39142	2545	34	|	|	CD
39142	2545	35	+14	+14	CD
39142	2545	36	°	°	,
39142	2545	37	|	|	NNP
39142	2545	38	Feb.	February	NNP
39142	2545	39	19-March	19-march	CD
39142	2545	40	1	1	CD
39142	2545	41	Tau	Tau	NNP
39142	2545	42	Leonids	Leonids	NNPS
39142	2545	43	|	|	NNP
39142	2545	44	166	166	CD
39142	2545	45	°	°	,
39142	2545	46	|	|	CD
39142	2545	47	+4	+4	JJ
39142	2545	48	°	°	,
39142	2545	49	|	|	NNP
39142	2545	50	March	March	NNP
39142	2545	51	1	1	CD
39142	2545	52	-	-	SYM
39142	2545	53	4	4	CD
39142	2545	54	Beta	Beta	NNP
39142	2545	55	Ursids	Ursids	NNPS
39142	2545	56	|	|	NNP
39142	2545	57	161	161	CD
39142	2545	58	°	°	,
39142	2545	59	|	|	CD
39142	2545	60	+58	+58	NNS
39142	2545	61	°	°	,
39142	2545	62	|	|	NNP
39142	2545	63	March	March	NNP
39142	2545	64	13	13	CD
39142	2545	65	-	-	SYM
39142	2545	66	24	24	CD
39142	2545	67	Lyrids	Lyrids	NNPS
39142	2545	68	|	|	NNP
39142	2545	69	271	271	CD
39142	2545	70	°	°	NNS
39142	2545	71	|	|	CD
39142	2545	72	+33	+33	CD
39142	2545	73	°	°	,
39142	2545	74	|	|	NNP
39142	2545	75	April	April	NNP
39142	2545	76	20	20	CD
39142	2545	77	-	-	SYM
39142	2545	78	22	22	CD
39142	2545	79	Gamma	Gamma	NNP
39142	2545	80	Aquarids	Aquarids	NNP
39142	2545	81	|	|	NNP
39142	2545	82	338	338	CD
39142	2545	83	°	°	,
39142	2545	84	|	|	NNP
39142	2545	85	-2	-2	NNP
39142	2545	86	°	°	,
39142	2545	87	|	|	NNP
39142	2545	88	May	May	NNP
39142	2545	89	1	1	CD
39142	2545	90	-	-	SYM
39142	2545	91	6	6	CD
39142	2545	92	Zeta	Zeta	NNP
39142	2545	93	Herculids	Herculids	NNPS
39142	2545	94	|	|	NNP
39142	2545	95	246	246	CD
39142	2545	96	°	°	,
39142	2545	97	|	|	NNP
39142	2545	98	+29	+29	CD
39142	2545	99	°	°	,
39142	2545	100	|	|	NNP
39142	2545	101	May	May	NNP
39142	2545	102	18	18	CD
39142	2545	103	-	-	SYM
39142	2545	104	26	26	CD
39142	2545	105	Eta	Eta	NNP
39142	2545	106	Pegasids	Pegasids	NNPS
39142	2545	107	|	|	NNP
39142	2545	108	330	330	CD
39142	2545	109	°	°	,
39142	2545	110	|	|	CD
39142	2545	111	+28	+28	NN
39142	2545	112	°	°	,
39142	2545	113	|	|	NNP
39142	2545	114	May	May	NNP
39142	2545	115	30-June	30-june	CD
39142	2545	116	4	4	CD
39142	2545	117	Theta	Theta	NNP
39142	2545	118	Boötids	Boötids	NNPS
39142	2545	119	|	|	NNP
39142	2545	120	213	213	CD
39142	2545	121	°	°	,
39142	2545	122	|	|	CD
39142	2545	123	+53	+53	NNS
39142	2545	124	°	°	,
39142	2545	125	|	|	NNP
39142	2545	126	June	June	NNP
39142	2545	127	27	27	CD
39142	2545	128	-	-	SYM
39142	2545	129	28	28	CD
39142	2545	130	Alpha	Alpha	NNP
39142	2545	131	Capricornids	Capricornids	NNPS
39142	2545	132	|	|	NNP
39142	2545	133	304	304	CD
39142	2545	134	°	°	,
39142	2545	135	|	|	NNP
39142	2545	136	-12	-12	NNP
39142	2545	137	°	°	,
39142	2545	138	|	|	NNP
39142	2545	139	July	July	NNP
39142	2545	140	15	15	CD
39142	2545	141	-	-	HYPH
39142	2545	142	28	28	CD
39142	2545	143	Delta	Delta	NNP
39142	2545	144	Aquarids	Aquarids	NNP
39142	2545	145	|	|	NNP
39142	2545	146	339	339	CD
39142	2545	147	°	°	,
39142	2545	148	|	|	NNP
39142	2545	149	-11	-11	NNP
39142	2545	150	°	°	,
39142	2545	151	|	|	NNP
39142	2545	152	July	July	NNP
39142	2545	153	25	25	CD
39142	2545	154	-	-	HYPH
39142	2545	155	30	30	CD
39142	2545	156	Perseids	Perseids	NNPS
39142	2545	157	|	|	CD
39142	2545	158	45	45	CD
39142	2545	159	°	°	,
39142	2545	160	|	|	CD
39142	2545	161	+57	+57	CD
39142	2545	162	°	°	,
39142	2545	163	|	|	NNP
39142	2545	164	Aug.	August	NNP
39142	2545	165	10	10	CD
39142	2545	166	-	-	SYM
39142	2545	167	12	12	CD
39142	2545	168	Omicron	Omicron	NNP
39142	2545	169	Draconids	Draconids	NNPS
39142	2545	170	|	|	NNP
39142	2545	171	291	291	CD
39142	2545	172	°	°	,
39142	2545	173	|	|	NNP
39142	2545	174	+60	+60	NNP
39142	2545	175	°	°	,
39142	2545	176	|	|	NNP
39142	2545	177	Aug.	August	NNP
39142	2545	178	15	15	CD
39142	2545	179	-	-	SYM
39142	2545	180	25	25	CD
39142	2545	181	Zeta	Zeta	NNP
39142	2545	182	Draconids	Draconids	NNPS
39142	2545	183	|	|	NNP
39142	2545	184	262	262	CD
39142	2545	185	°	°	,
39142	2545	186	|	|	CD
39142	2545	187	+63	+63	CD
39142	2545	188	°	°	,
39142	2545	189	|	|	NNP
39142	2545	190	Aug.	August	NNP
39142	2545	191	21-Sept	21-sept	CD
39142	2545	192	.	.	.
39142	2545	193	2	2	CD
39142	2545	194	Piscids	Piscids	NNPS
39142	2545	195	|	|	POS
39142	2545	196	348	348	CD
39142	2545	197	°	°	,
39142	2545	198	|	|	CD
39142	2545	199	+2	+2	JJ
39142	2545	200	°	°	,
39142	2545	201	|	|	NNP
39142	2545	202	Sept.	September	NNP
39142	2545	203	4	4	CD
39142	2545	204	-	-	SYM
39142	2545	205	14	14	CD
39142	2545	206	Alpha	Alpha	NNP
39142	2545	207	Andromedids	Andromedids	NNP
39142	2545	208	|	|	NNP
39142	2545	209	4	4	CD
39142	2545	210	°	°	,
39142	2545	211	|	|	CD
39142	2545	212	+28	+28	CD
39142	2545	213	°	°	,
39142	2545	214	|	|	NNP
39142	2545	215	Sept.	September	NNP
39142	2545	216	27	27	CD
39142	2545	217	Epsilon	Epsilon	NNP
39142	2545	218	Arietids	Arietids	NNP
39142	2545	219	|	|	NNP
39142	2545	220	40	40	CD
39142	2545	221	°	°	,
39142	2545	222	|	|	NNP
39142	2545	223	+20	+20	CC
39142	2545	224	°	°	,
39142	2545	225	|	|	NNP
39142	2545	226	Oct.	October	NNP
39142	2545	227	11	11	CD
39142	2545	228	-	-	SYM
39142	2545	229	24	24	CD
39142	2545	230	Orionids	Orionids	NNPS
39142	2545	231	|	|	CD
39142	2545	232	92	92	CD
39142	2545	233	°	°	,
39142	2545	234	|	|	CD
39142	2545	235	+15	+15	NNS
39142	2545	236	°	°	,
39142	2545	237	|	|	NNP
39142	2545	238	Oct.	October	NNP
39142	2545	239	17	17	CD
39142	2545	240	-	-	SYM
39142	2545	241	24	24	CD
39142	2545	242	Epsilon	Epsilon	NNP
39142	2545	243	Perseids	Perseids	NNPS
39142	2545	244	|	|	NNP
39142	2545	245	61	61	CD
39142	2545	246	°	°	,
39142	2545	247	|	|	NNP
39142	2545	248	+35	+35	JJ
39142	2545	249	°	°	,
39142	2545	250	|	|	NNP
39142	2545	251	Nov.	November	NNP
39142	2545	252	5	5	CD
39142	2545	253	Leonids	Leonids	NNP
39142	2545	254	|	|	NNP
39142	2545	255	150	150	CD
39142	2545	256	°	°	NNS
39142	2545	257	|	|	CD
39142	2545	258	+23	+23	NNS
39142	2545	259	°	°	,
39142	2545	260	|	|	NNP
39142	2545	261	Nov.	November	NNP
39142	2545	262	13	13	CD
39142	2545	263	-	-	SYM
39142	2545	264	15	15	CD
39142	2545	265	Epsilon	Epsilon	NNP
39142	2545	266	Taurids	Taurids	NNP
39142	2545	267	|	|	NNP
39142	2545	268	64	64	CD
39142	2545	269	°	°	,
39142	2545	270	|	|	CD
39142	2545	271	+22	+22	NNS
39142	2545	272	°	°	,
39142	2545	273	|	|	NNP
39142	2545	274	Nov.	November	NNP
39142	2545	275	14	14	CD
39142	2545	276	-	-	SYM
39142	2545	277	25	25	CD
39142	2545	278	Andromedids	Andromedids	NNP
39142	2545	279	|	|	CD
39142	2545	280	25	25	CD
39142	2545	281	°	°	,
39142	2545	282	|	|	NNP
39142	2545	283	+43	+43	CD
39142	2545	284	°	°	,
39142	2545	285	|	|	NNP
39142	2545	286	Nov.	November	NNP
39142	2545	287	17	17	CD
39142	2545	288	-	-	SYM
39142	2545	289	23	23	CD
39142	2545	290	Beta	Beta	NNP
39142	2545	291	Geminids	Geminids	NNP
39142	2545	292	|	|	NNP
39142	2545	293	119	119	CD
39142	2545	294	°	°	,
39142	2545	295	|	|	CD
39142	2545	296	+31	+31	CD
39142	2545	297	°	°	,
39142	2545	298	|	|	NNP
39142	2545	299	Dec.	December	NNP
39142	2545	300	1	1	CD
39142	2545	301	-	-	SYM
39142	2545	302	12	12	CD
39142	2545	303	Geminids	Geminids	NNP
39142	2545	304	|	|	CD
39142	2545	305	108	108	CD
39142	2545	306	°	°	,
39142	2545	307	|	|	CD
39142	2545	308	+33	+33	CD
39142	2545	309	°	°	,
39142	2545	310	|	|	NNP
39142	2545	311	Dec.	December	NNP
39142	2545	312	1	1	CD
39142	2545	313	-	-	SYM
39142	2545	314	14	14	CD
39142	2545	315	Alpha	alpha	NN
39142	2545	316	Ursæ	Ursæ	NNP
39142	2545	317	Majorids	Majorids	NNPS
39142	2545	318	|	|	POS
39142	2545	319	161	161	CD
39142	2545	320	°	°	,
39142	2545	321	|	|	CD
39142	2545	322	+58	+58	NNS
39142	2545	323	°	°	,
39142	2545	324	|	|	NNP
39142	2545	325	Dec.	December	NNP
39142	2545	326	18	18	CD
39142	2545	327	-	-	SYM
39142	2545	328	21	21	CD
39142	2545	329	Kappa	Kappa	NNP
39142	2545	330	Draconids	Draconids	NNPS
39142	2545	331	|	|	NNP
39142	2545	332	194	194	CD
39142	2545	333	°	°	,
39142	2545	334	|	|	CD
39142	2545	335	+68	+68	CD
39142	2545	336	°	°	,
39142	2545	337	|	|	NNP
39142	2545	338	Dec.	December	NNP
39142	2545	339	18	18	CD
39142	2545	340	-	-	SYM
39142	2545	341	28	28	CD
39142	2545	342	------------------------------------------------------------	------------------------------------------------------------	.
39142	2545	343	The	the	DT
39142	2545	344	year	year	NN
39142	2545	345	1916	1916	CD
39142	2545	346	was	be	VBD
39142	2545	347	exceptional	exceptional	JJ
39142	2545	348	in	in	IN
39142	2545	349	providing	provide	VBG
39142	2545	350	an	an	DT
39142	2545	351	abundant	abundant	JJ
39142	2545	352	and	and	CC
39142	2545	353	previously	previously	RB
39142	2545	354	unknown	unknown	JJ
39142	2545	355	shower	shower	NN
39142	2545	356	on	on	IN
39142	2545	357	June	June	NNP
39142	2545	358	28	28	CD
39142	2545	359	,	,	,
39142	2545	360	and	and	CC
39142	2545	361	its	-PRON-	PRP$
39142	2545	362	stream	stream	NN
39142	2545	363	has	have	VBZ
39142	2545	364	nearly	nearly	RB
39142	2545	365	the	the	DT
39142	2545	366	same	same	JJ
39142	2545	367	orbit	orbit	NN
39142	2545	368	as	as	IN
39142	2545	369	that	that	DT
39142	2545	370	of	of	IN
39142	2545	371	the	the	DT
39142	2545	372	Pons	Pons	NNP
39142	2545	373	-	-	HYPH
39142	2545	374	Winnecke	Winnecke	NNP
39142	2545	375	periodic	periodic	JJ
39142	2545	376	comet	comet	NN
39142	2545	377	.	.	.
39142	2546	1	Useful	useful	JJ
39142	2546	2	observations	observation	NNS
39142	2546	3	of	of	IN
39142	2546	4	meteors	meteor	NNS
39142	2546	5	are	be	VBP
39142	2546	6	not	not	RB
39142	2546	7	difficult	difficult	JJ
39142	2546	8	to	to	TO
39142	2546	9	make	make	VB
39142	2546	10	,	,	,
39142	2546	11	and	and	CC
39142	2546	12	they	-PRON-	PRP
39142	2546	13	are	be	VBP
39142	2546	14	of	of	IN
39142	2546	15	service	service	NN
39142	2546	16	to	to	IN
39142	2546	17	professional	professional	JJ
39142	2546	18	astronomers	astronomer	NNS
39142	2546	19	investigating	investigate	VBG
39142	2546	20	the	the	DT
39142	2546	21	orbits	orbit	NNS
39142	2546	22	of	of	IN
39142	2546	23	these	these	DT
39142	2546	24	bodies	body	NNS
39142	2546	25	,	,	,
39142	2546	26	among	among	IN
39142	2546	27	whom	whom	WP
39142	2546	28	are	be	VBP
39142	2546	29	Mitchell	Mitchell	NNP
39142	2546	30	and	and	CC
39142	2546	31	Olivier	Olivier	NNP
39142	2546	32	of	of	IN
39142	2546	33	the	the	DT
39142	2546	34	University	University	NNP
39142	2546	35	of	of	IN
39142	2546	36	Virginia	Virginia	NNP
39142	2546	37	.	.	.
39142	2547	1	CHAPTER	chapter	NN
39142	2547	2	XLIII	xliii	NN
39142	2547	3	METEORITES	METEORITES	NNPS
39142	2547	4	Meteorites	Meteorites	NNPS
39142	2547	5	,	,	,
39142	2547	6	the	the	DT
39142	2547	7	name	name	NN
39142	2547	8	for	for	IN
39142	2547	9	meteors	meteor	NNS
39142	2547	10	which	which	WDT
39142	2547	11	have	have	VBP
39142	2547	12	actually	actually	RB
39142	2547	13	gone	go	VBN
39142	2547	14	all	all	PDT
39142	2547	15	the	the	DT
39142	2547	16	way	way	NN
39142	2547	17	through	through	IN
39142	2547	18	our	-PRON-	PRP$
39142	2547	19	atmosphere	atmosphere	NN
39142	2547	20	,	,	,
39142	2547	21	are	be	VBP
39142	2547	22	never	never	RB
39142	2547	23	regular	regular	JJ
39142	2547	24	in	in	IN
39142	2547	25	form	form	NN
39142	2547	26	or	or	CC
39142	2547	27	spherical	spherical	JJ
39142	2547	28	.	.	.
39142	2548	1	As	as	IN
39142	2548	2	a	a	DT
39142	2548	3	rule	rule	NN
39142	2548	4	the	the	DT
39142	2548	5	iron	iron	NN
39142	2548	6	meteorites	meteorite	NNS
39142	2548	7	are	be	VBP
39142	2548	8	covered	cover	VBN
39142	2548	9	with	with	IN
39142	2548	10	pittings	pitting	NNS
39142	2548	11	or	or	CC
39142	2548	12	thumb	thumb	NN
39142	2548	13	marks	mark	NNS
39142	2548	14	,	,	,
39142	2548	15	due	due	JJ
39142	2548	16	probably	probably	RB
39142	2548	17	to	to	IN
39142	2548	18	the	the	DT
39142	2548	19	resistance	resistance	NN
39142	2548	20	and	and	CC
39142	2548	21	impact	impact	NN
39142	2548	22	of	of	IN
39142	2548	23	the	the	DT
39142	2548	24	little	little	JJ
39142	2548	25	columns	column	NNS
39142	2548	26	of	of	IN
39142	2548	27	air	air	NN
39142	2548	28	which	which	WDT
39142	2548	29	impede	impede	VBZ
39142	2548	30	its	-PRON-	PRP$
39142	2548	31	progress	progress	NN
39142	2548	32	,	,	,
39142	2548	33	together	together	RB
39142	2548	34	with	with	IN
39142	2548	35	the	the	DT
39142	2548	36	unequal	unequal	JJ
39142	2548	37	condition	condition	NN
39142	2548	38	and	and	CC
39142	2548	39	fusibility	fusibility	NN
39142	2548	40	of	of	IN
39142	2548	41	their	-PRON-	PRP$
39142	2548	42	surface	surface	NN
39142	2548	43	material	material	NN
39142	2548	44	.	.	.
39142	2549	1	The	the	DT
39142	2549	2	work	work	NN
39142	2549	3	done	do	VBN
39142	2549	4	by	by	IN
39142	2549	5	the	the	DT
39142	2549	6	atmosphere	atmosphere	NN
39142	2549	7	in	in	IN
39142	2549	8	suddenly	suddenly	RB
39142	2549	9	checking	check	VBG
39142	2549	10	the	the	DT
39142	2549	11	meteor	meteor	NN
39142	2549	12	's	's	POS
39142	2549	13	velocity	velocity	NN
39142	2549	14	appears	appear	VBZ
39142	2549	15	in	in	IN
39142	2549	16	considerable	considerable	JJ
39142	2549	17	part	part	NN
39142	2549	18	as	as	IN
39142	2549	19	heat	heat	NN
39142	2549	20	,	,	,
39142	2549	21	fusing	fuse	VBG
39142	2549	22	the	the	DT
39142	2549	23	exterior	exterior	NN
39142	2549	24	to	to	TO
39142	2549	25	incandescence	incandescence	NN
39142	2549	26	.	.	.
39142	2550	1	This	this	DT
39142	2550	2	thin	thin	JJ
39142	2550	3	liquid	liquid	NN
39142	2550	4	shell	shell	NN
39142	2550	5	is	be	VBZ
39142	2550	6	quickly	quickly	RB
39142	2550	7	brushed	brush	VBN
39142	2550	8	off	off	RP
39142	2550	9	,	,	,
39142	2550	10	making	make	VBG
39142	2550	11	oftentimes	oftentime	NNS
39142	2550	12	a	a	DT
39142	2550	13	luminous	luminous	JJ
39142	2550	14	train	train	NN
39142	2550	15	.	.	.
39142	2551	1	But	but	CC
39142	2551	2	notwithstanding	notwithstanding	IN
39142	2551	3	the	the	DT
39142	2551	4	exceedingly	exceedingly	RB
39142	2551	5	high	high	JJ
39142	2551	6	temperature	temperature	NN
39142	2551	7	of	of	IN
39142	2551	8	the	the	DT
39142	2551	9	exterior	exterior	NN
39142	2551	10	,	,	,
39142	2551	11	enforced	enforce	VBN
39142	2551	12	upon	upon	IN
39142	2551	13	it	-PRON-	PRP
39142	2551	14	for	for	IN
39142	2551	15	the	the	DT
39142	2551	16	brief	brief	JJ
39142	2551	17	time	time	NN
39142	2551	18	of	of	IN
39142	2551	19	transit	transit	NN
39142	2551	20	through	through	IN
39142	2551	21	the	the	DT
39142	2551	22	atmosphere	atmosphere	NN
39142	2551	23	,	,	,
39142	2551	24	it	-PRON-	PRP
39142	2551	25	is	be	VBZ
39142	2551	26	probable	probable	JJ
39142	2551	27	that	that	IN
39142	2551	28	all	all	DT
39142	2551	29	large	large	JJ
39142	2551	30	meteorites	meteorite	NNS
39142	2551	31	,	,	,
39142	2551	32	if	if	IN
39142	2551	33	they	-PRON-	PRP
39142	2551	34	could	could	MD
39142	2551	35	be	be	VB
39142	2551	36	reached	reach	VBN
39142	2551	37	at	at	IN
39142	2551	38	once	once	RB
39142	2551	39	on	on	IN
39142	2551	40	striking	strike	VBG
39142	2551	41	the	the	DT
39142	2551	42	earth	earth	NN
39142	2551	43	,	,	,
39142	2551	44	would	would	MD
39142	2551	45	be	be	VB
39142	2551	46	found	find	VBN
39142	2551	47	to	to	TO
39142	2551	48	be	be	VB
39142	2551	49	cold	cold	JJ
39142	2551	50	,	,	,
39142	2551	51	because	because	IN
39142	2551	52	the	the	DT
39142	2551	53	smooth	smooth	JJ
39142	2551	54	,	,	,
39142	2551	55	black	black	JJ
39142	2551	56	,	,	,
39142	2551	57	varnishlike	varnishlike	JJ
39142	2551	58	crust	crust	NN
39142	2551	59	which	which	WDT
39142	2551	60	always	always	RB
39142	2551	61	incases	incase	VBZ
39142	2551	62	them	-PRON-	PRP
39142	2551	63	as	as	IN
39142	2551	64	a	a	DT
39142	2551	65	result	result	NN
39142	2551	66	of	of	IN
39142	2551	67	intense	intense	JJ
39142	2551	68	heat	heat	NN
39142	2551	69	is	be	VBZ
39142	2551	70	never	never	RB
39142	2551	71	thick	thick	JJ
39142	2551	72	.	.	.
39142	2552	1	On	on	IN
39142	2552	2	one	one	CD
39142	2552	3	occasion	occasion	NN
39142	2552	4	a	a	DT
39142	2552	5	meteor	meteor	NN
39142	2552	6	which	which	WDT
39142	2552	7	was	be	VBD
39142	2552	8	seen	see	VBN
39142	2552	9	to	to	TO
39142	2552	10	fall	fall	VB
39142	2552	11	in	in	IN
39142	2552	12	India	India	NNP
39142	2552	13	was	be	VBD
39142	2552	14	dug	dig	VBN
39142	2552	15	out	out	IN
39142	2552	16	of	of	IN
39142	2552	17	the	the	DT
39142	2552	18	ground	ground	NN
39142	2552	19	as	as	RB
39142	2552	20	quickly	quickly	RB
39142	2552	21	as	as	IN
39142	2552	22	possible	possible	JJ
39142	2552	23	,	,	,
39142	2552	24	and	and	CC
39142	2552	25	found	find	VBN
39142	2552	26	to	to	TO
39142	2552	27	be	be	VB
39142	2552	28	,	,	,
39142	2552	29	not	not	RB
39142	2552	30	hot	hot	JJ
39142	2552	31	as	as	IN
39142	2552	32	was	be	VBD
39142	2552	33	expected	expect	VBN
39142	2552	34	,	,	,
39142	2552	35	but	but	CC
39142	2552	36	coated	coat	VBN
39142	2552	37	thickly	thickly	RB
39142	2552	38	over	over	RB
39142	2552	39	with	with	IN
39142	2552	40	ice	ice	NN
39142	2552	41	frozen	freeze	VBN
39142	2552	42	on	on	IN
39142	2552	43	it	-PRON-	PRP
39142	2552	44	from	from	IN
39142	2552	45	the	the	DT
39142	2552	46	moisture	moisture	NN
39142	2552	47	in	in	IN
39142	2552	48	the	the	DT
39142	2552	49	surrounding	surround	VBG
39142	2552	50	soil	soil	NN
39142	2552	51	.	.	.
39142	2553	1	As	as	IN
39142	2553	2	to	to	IN
39142	2553	3	the	the	DT
39142	2553	4	composition	composition	NN
39142	2553	5	of	of	IN
39142	2553	6	shooting	shoot	VBG
39142	2553	7	stars	star	NNS
39142	2553	8	,	,	,
39142	2553	9	and	and	CC
39142	2553	10	their	-PRON-	PRP$
39142	2553	11	probable	probable	JJ
39142	2553	12	mass	mass	NN
39142	2553	13	,	,	,
39142	2553	14	and	and	CC
39142	2553	15	its	-PRON-	PRP$
39142	2553	16	effect	effect	NN
39142	2553	17	upon	upon	IN
39142	2553	18	the	the	DT
39142	2553	19	earth	earth	NN
39142	2553	20	,	,	,
39142	2553	21	our	-PRON-	PRP$
39142	2553	22	data	datum	NNS
39142	2553	23	are	be	VBP
39142	2553	24	quite	quite	RB
39142	2553	25	insufficient	insufficient	JJ
39142	2553	26	.	.	.
39142	2554	1	The	the	DT
39142	2554	2	lines	line	NNS
39142	2554	3	of	of	IN
39142	2554	4	sodium	sodium	NN
39142	2554	5	and	and	CC
39142	2554	6	magnesium	magnesium	NN
39142	2554	7	have	have	VBP
39142	2554	8	been	be	VBN
39142	2554	9	hurriedly	hurriedly	RB
39142	2554	10	caught	catch	VBN
39142	2554	11	in	in	IN
39142	2554	12	the	the	DT
39142	2554	13	spectroscope	spectroscope	NN
39142	2554	14	,	,	,
39142	2554	15	and	and	CC
39142	2554	16	,	,	,
39142	2554	17	estimating	estimate	VBG
39142	2554	18	on	on	IN
39142	2554	19	the	the	DT
39142	2554	20	basis	basis	NN
39142	2554	21	of	of	IN
39142	2554	22	the	the	DT
39142	2554	23	light	light	NN
39142	2554	24	emitted	emit	VBN
39142	2554	25	by	by	IN
39142	2554	26	them	-PRON-	PRP
39142	2554	27	,	,	,
39142	2554	28	the	the	DT
39142	2554	29	largest	large	JJS
39142	2554	30	meteors	meteor	NNS
39142	2554	31	must	must	MD
39142	2554	32	weigh	weigh	VB
39142	2554	33	ounces	ounce	NNS
39142	2554	34	rather	rather	RB
39142	2554	35	than	than	IN
39142	2554	36	pounds	pound	NNS
39142	2554	37	.	.	.
39142	2555	1	Nevertheless	nevertheless	RB
39142	2555	2	,	,	,
39142	2555	3	it	-PRON-	PRP
39142	2555	4	is	be	VBZ
39142	2555	5	interesting	interesting	JJ
39142	2555	6	to	to	TO
39142	2555	7	inquire	inquire	VB
39142	2555	8	what	what	WDT
39142	2555	9	addition	addition	NN
39142	2555	10	the	the	DT
39142	2555	11	continual	continual	JJ
39142	2555	12	fall	fall	NN
39142	2555	13	of	of	IN
39142	2555	14	many	many	JJ
39142	2555	15	millions	million	NNS
39142	2555	16	daily	daily	RB
39142	2555	17	upon	upon	IN
39142	2555	18	the	the	DT
39142	2555	19	earth	earth	NN
39142	2555	20	makes	make	VBZ
39142	2555	21	to	to	IN
39142	2555	22	its	-PRON-	PRP$
39142	2555	23	weight	weight	NN
39142	2555	24	:	:	:
39142	2555	25	somewhere	somewhere	RB
39142	2555	26	between	between	IN
39142	2555	27	thirty	thirty	CD
39142	2555	28	and	and	CC
39142	2555	29	fifty	fifty	CD
39142	2555	30	thousand	thousand	CD
39142	2555	31	tons	ton	NNS
39142	2555	32	annually	annually	RB
39142	2555	33	is	be	VBZ
39142	2555	34	perhaps	perhaps	RB
39142	2555	35	a	a	DT
39142	2555	36	conservative	conservative	JJ
39142	2555	37	estimate	estimate	NN
39142	2555	38	,	,	,
39142	2555	39	but	but	CC
39142	2555	40	even	even	RB
39142	2555	41	this	this	DT
39142	2555	42	would	would	MD
39142	2555	43	not	not	RB
39142	2555	44	accumulate	accumulate	VB
39142	2555	45	a	a	DT
39142	2555	46	layer	layer	NN
39142	2555	47	one	one	CD
39142	2555	48	inch	inch	NN
39142	2555	49	in	in	IN
39142	2555	50	thickness	thickness	NN
39142	2555	51	over	over	IN
39142	2555	52	the	the	DT
39142	2555	53	entire	entire	JJ
39142	2555	54	surface	surface	NN
39142	2555	55	of	of	IN
39142	2555	56	the	the	DT
39142	2555	57	earth	earth	NN
39142	2555	58	in	in	IN
39142	2555	59	less	less	JJR
39142	2555	60	than	than	IN
39142	2555	61	a	a	DT
39142	2555	62	thousand	thousand	CD
39142	2555	63	million	million	CD
39142	2555	64	years	year	NNS
39142	2555	65	.	.	.
39142	2556	1	Many	many	JJ
39142	2556	2	hundreds	hundred	NNS
39142	2556	3	of	of	IN
39142	2556	4	the	the	DT
39142	2556	5	meteors	meteor	NNS
39142	2556	6	actually	actually	RB
39142	2556	7	seen	see	VBN
39142	2556	8	to	to	TO
39142	2556	9	fall	fall	VB
39142	2556	10	,	,	,
39142	2556	11	together	together	RB
39142	2556	12	with	with	IN
39142	2556	13	those	those	DT
39142	2556	14	picked	pick	VBN
39142	2556	15	up	up	RP
39142	2556	16	accidentally	accidentally	RB
39142	2556	17	,	,	,
39142	2556	18	are	be	VBP
39142	2556	19	recovered	recover	VBN
39142	2556	20	and	and	CC
39142	2556	21	prized	prize	VBN
39142	2556	22	as	as	IN
39142	2556	23	specimens	specimen	NNS
39142	2556	24	of	of	IN
39142	2556	25	great	great	JJ
39142	2556	26	value	value	NN
39142	2556	27	in	in	IN
39142	2556	28	our	-PRON-	PRP$
39142	2556	29	collections	collection	NNS
39142	2556	30	,	,	,
39142	2556	31	the	the	DT
39142	2556	32	richest	rich	JJS
39142	2556	33	of	of	IN
39142	2556	34	which	which	WDT
39142	2556	35	are	be	VBP
39142	2556	36	now	now	RB
39142	2556	37	in	in	IN
39142	2556	38	New	New	NNP
39142	2556	39	York	York	NNP
39142	2556	40	,	,	,
39142	2556	41	Paris	Paris	NNP
39142	2556	42	,	,	,
39142	2556	43	and	and	CC
39142	2556	44	London	London	NNP
39142	2556	45	.	.	.
39142	2557	1	The	the	DT
39142	2557	2	detailed	detailed	JJ
39142	2557	3	investigation	investigation	NN
39142	2557	4	of	of	IN
39142	2557	5	them	-PRON-	PRP
39142	2557	6	is	be	VBZ
39142	2557	7	rather	rather	RB
39142	2557	8	the	the	DT
39142	2557	9	province	province	NN
39142	2557	10	of	of	IN
39142	2557	11	the	the	DT
39142	2557	12	chemist	chemist	NN
39142	2557	13	,	,	,
39142	2557	14	the	the	DT
39142	2557	15	crystallographer	crystallographer	NN
39142	2557	16	and	and	CC
39142	2557	17	the	the	DT
39142	2557	18	mineralogist	mineralogist	NN
39142	2557	19	than	than	IN
39142	2557	20	of	of	IN
39142	2557	21	the	the	DT
39142	2557	22	astronomer	astronomer	NN
39142	2557	23	whose	whose	WP$
39142	2557	24	interest	interest	NN
39142	2557	25	is	be	VBZ
39142	2557	26	more	more	RBR
39142	2557	27	keen	keen	JJ
39142	2557	28	in	in	IN
39142	2557	29	their	-PRON-	PRP$
39142	2557	30	life	life	NN
39142	2557	31	history	history	NN
39142	2557	32	before	before	IN
39142	2557	33	they	-PRON-	PRP
39142	2557	34	reach	reach	VBP
39142	2557	35	the	the	DT
39142	2557	36	earth	earth	NN
39142	2557	37	.	.	.
39142	2558	1	To	to	TO
39142	2558	2	distinguish	distinguish	VB
39142	2558	3	a	a	DT
39142	2558	4	stony	stony	JJ
39142	2558	5	meteorite	meteorite	NN
39142	2558	6	from	from	IN
39142	2558	7	terrestrial	terrestrial	JJ
39142	2558	8	rock	rock	NN
39142	2558	9	substances	substance	NNS
39142	2558	10	is	be	VBZ
39142	2558	11	not	not	RB
39142	2558	12	always	always	RB
39142	2558	13	easy	easy	JJ
39142	2558	14	,	,	,
39142	2558	15	but	but	CC
39142	2558	16	there	there	EX
39142	2558	17	is	be	VBZ
39142	2558	18	usually	usually	RB
39142	2558	19	little	little	JJ
39142	2558	20	difficulty	difficulty	NN
39142	2558	21	in	in	IN
39142	2558	22	pronouncing	pronounce	VBG
39142	2558	23	upon	upon	IN
39142	2558	24	an	an	DT
39142	2558	25	iron	iron	NN
39142	2558	26	meteorite	meteorite	NN
39142	2558	27	.	.	.
39142	2559	1	These	these	DT
39142	2559	2	are	be	VBP
39142	2559	3	most	most	RBS
39142	2559	4	frequently	frequently	RB
39142	2559	5	found	find	VBN
39142	2559	6	in	in	IN
39142	2559	7	deserts	desert	NNS
39142	2559	8	,	,	,
39142	2559	9	because	because	IN
39142	2559	10	the	the	DT
39142	2559	11	dryness	dryness	NN
39142	2559	12	of	of	IN
39142	2559	13	the	the	DT
39142	2559	14	climate	climate	NN
39142	2559	15	renders	render	VBZ
39142	2559	16	their	-PRON-	PRP$
39142	2559	17	oxidation	oxidation	NN
39142	2559	18	and	and	CC
39142	2559	19	gradual	gradual	JJ
39142	2559	20	disappearance	disappearance	NN
39142	2559	21	very	very	RB
39142	2559	22	slow	slow	JJ
39142	2559	23	.	.	.
39142	2560	1	The	the	DT
39142	2560	2	surface	surface	NN
39142	2560	3	of	of	IN
39142	2560	4	a	a	DT
39142	2560	5	suspected	suspect	VBN
39142	2560	6	iron	iron	NN
39142	2560	7	meteorite	meteorite	NN
39142	2560	8	is	be	VBZ
39142	2560	9	polished	polished	JJ
39142	2560	10	to	to	IN
39142	2560	11	a	a	DT
39142	2560	12	high	high	JJ
39142	2560	13	luster	luster	NN
39142	2560	14	and	and	CC
39142	2560	15	nitric	nitric	JJ
39142	2560	16	acid	acid	NN
39142	2560	17	is	be	VBZ
39142	2560	18	poured	pour	VBN
39142	2560	19	upon	upon	IN
39142	2560	20	it	-PRON-	PRP
39142	2560	21	.	.	.
39142	2561	1	If	if	IN
39142	2561	2	it	-PRON-	PRP
39142	2561	3	quickly	quickly	RB
39142	2561	4	becomes	become	VBZ
39142	2561	5	etched	etch	VBN
39142	2561	6	with	with	IN
39142	2561	7	a	a	DT
39142	2561	8	characteristic	characteristic	JJ
39142	2561	9	series	series	NN
39142	2561	10	of	of	IN
39142	2561	11	lines	line	NNS
39142	2561	12	,	,	,
39142	2561	13	or	or	CC
39142	2561	14	a	a	DT
39142	2561	15	sort	sort	NN
39142	2561	16	of	of	IN
39142	2561	17	cross	cross	JJ
39142	2561	18	-	-	NN
39142	2561	19	hatching	hatching	NN
39142	2561	20	,	,	,
39142	2561	21	it	-PRON-	PRP
39142	2561	22	is	be	VBZ
39142	2561	23	almost	almost	RB
39142	2561	24	certain	certain	JJ
39142	2561	25	to	to	TO
39142	2561	26	be	be	VB
39142	2561	27	a	a	DT
39142	2561	28	meteorite	meteorite	NN
39142	2561	29	.	.	.
39142	2562	1	Occasionally	occasionally	RB
39142	2562	2	carbon	carbon	NN
39142	2562	3	has	have	VBZ
39142	2562	4	been	be	VBN
39142	2562	5	found	find	VBN
39142	2562	6	in	in	IN
39142	2562	7	meteorites	meteorite	NNS
39142	2562	8	,	,	,
39142	2562	9	and	and	CC
39142	2562	10	the	the	DT
39142	2562	11	existence	existence	NN
39142	2562	12	of	of	IN
39142	2562	13	diamond	diamond	NNP
39142	2562	14	has	have	VBZ
39142	2562	15	been	be	VBN
39142	2562	16	suspected	suspect	VBN
39142	2562	17	.	.	.
39142	2563	1	The	the	DT
39142	2563	2	minerals	mineral	NNS
39142	2563	3	composing	compose	VBG
39142	2563	4	meteorites	meteorite	NNS
39142	2563	5	are	be	VBP
39142	2563	6	not	not	RB
39142	2563	7	unlike	unlike	IN
39142	2563	8	terrestrial	terrestrial	JJ
39142	2563	9	materials	material	NNS
39142	2563	10	of	of	IN
39142	2563	11	volcanic	volcanic	JJ
39142	2563	12	origin	origin	NN
39142	2563	13	,	,	,
39142	2563	14	though	though	IN
39142	2563	15	many	many	JJ
39142	2563	16	of	of	IN
39142	2563	17	them	-PRON-	PRP
39142	2563	18	are	be	VBP
39142	2563	19	peculiar	peculiar	JJ
39142	2563	20	to	to	IN
39142	2563	21	meteorites	meteorite	NNS
39142	2563	22	only	only	RB
39142	2563	23	.	.	.
39142	2564	1	More	More	JJR
39142	2564	2	than	than	IN
39142	2564	3	one	one	CD
39142	2564	4	-	-	HYPH
39142	2564	5	third	third	NN
39142	2564	6	of	of	IN
39142	2564	7	all	all	PDT
39142	2564	8	the	the	DT
39142	2564	9	known	know	VBN
39142	2564	10	chemical	chemical	NN
39142	2564	11	elements	element	NNS
39142	2564	12	have	have	VBP
39142	2564	13	been	be	VBN
39142	2564	14	found	find	VBN
39142	2564	15	by	by	IN
39142	2564	16	analysis	analysis	NN
39142	2564	17	in	in	IN
39142	2564	18	meteorites	meteorite	NNS
39142	2564	19	,	,	,
39142	2564	20	but	but	CC
39142	2564	21	not	not	RB
39142	2564	22	any	any	DT
39142	2564	23	new	new	JJ
39142	2564	24	ones	one	NNS
39142	2564	25	.	.	.
39142	2565	1	Meteoric	meteoric	JJ
39142	2565	2	iron	iron	NN
39142	2565	3	is	be	VBZ
39142	2565	4	a	a	DT
39142	2565	5	rich	rich	JJ
39142	2565	6	alloy	alloy	NN
39142	2565	7	containing	contain	VBG
39142	2565	8	about	about	RB
39142	2565	9	ten	ten	CD
39142	2565	10	per	per	IN
39142	2565	11	cent	cent	NN
39142	2565	12	of	of	IN
39142	2565	13	nickel	nickel	NN
39142	2565	14	,	,	,
39142	2565	15	also	also	RB
39142	2565	16	cobalt	cobalt	NN
39142	2565	17	,	,	,
39142	2565	18	tin	tin	NN
39142	2565	19	,	,	,
39142	2565	20	and	and	CC
39142	2565	21	copper	copper	NN
39142	2565	22	in	in	IN
39142	2565	23	much	much	RB
39142	2565	24	smaller	small	JJR
39142	2565	25	amount	amount	NN
39142	2565	26	.	.	.
39142	2566	1	Calcium	calcium	NN
39142	2566	2	,	,	,
39142	2566	3	chlorine	chlorine	NN
39142	2566	4	,	,	,
39142	2566	5	sodium	sodium	NN
39142	2566	6	,	,	,
39142	2566	7	and	and	CC
39142	2566	8	sulphur	sulphur	NNP
39142	2566	9	likewise	likewise	RB
39142	2566	10	are	be	VBP
39142	2566	11	found	find	VBN
39142	2566	12	in	in	IN
39142	2566	13	meteoric	meteoric	JJ
39142	2566	14	irons	iron	NNS
39142	2566	15	.	.	.
39142	2567	1	At	at	IN
39142	2567	2	very	very	RB
39142	2567	3	high	high	JJ
39142	2567	4	temperatures	temperature	NNS
39142	2567	5	iron	iron	NN
39142	2567	6	will	will	MD
39142	2567	7	absorb	absorb	VB
39142	2567	8	gases	gas	NNS
39142	2567	9	and	and	CC
39142	2567	10	retain	retain	VB
39142	2567	11	them	-PRON-	PRP
39142	2567	12	until	until	IN
39142	2567	13	again	again	RB
39142	2567	14	heated	heat	VBN
39142	2567	15	to	to	IN
39142	2567	16	red	red	JJ
39142	2567	17	heat	heat	NN
39142	2567	18	.	.	.
39142	2568	1	Carbonic	carbonic	JJ
39142	2568	2	oxide	oxide	NN
39142	2568	3	,	,	,
39142	2568	4	helium	helium	NN
39142	2568	5	,	,	,
39142	2568	6	hydrogen	hydrogen	NN
39142	2568	7	,	,	,
39142	2568	8	and	and	CC
39142	2568	9	nitrogen	nitrogen	NN
39142	2568	10	are	be	VBP
39142	2568	11	thus	thus	RB
39142	2568	12	imprisoned	imprison	VBN
39142	2568	13	,	,	,
39142	2568	14	or	or	CC
39142	2568	15	occluded	occlude	VBN
39142	2568	16	,	,	,
39142	2568	17	in	in	IN
39142	2568	18	meteoric	meteoric	JJ
39142	2568	19	irons	iron	NNS
39142	2568	20	in	in	IN
39142	2568	21	very	very	RB
39142	2568	22	small	small	JJ
39142	2568	23	quantities	quantity	NNS
39142	2568	24	;	;	:
39142	2568	25	and	and	CC
39142	2568	26	in	in	IN
39142	2568	27	1867	1867	CD
39142	2568	28	,	,	,
39142	2568	29	during	during	IN
39142	2568	30	a	a	DT
39142	2568	31	London	London	NNP
39142	2568	32	lecture	lecture	NN
39142	2568	33	by	by	IN
39142	2568	34	Graham	Graham	NNP
39142	2568	35	,	,	,
39142	2568	36	a	a	DT
39142	2568	37	room	room	NN
39142	2568	38	in	in	IN
39142	2568	39	the	the	DT
39142	2568	40	Royal	Royal	NNP
39142	2568	41	Institution	Institution	NNP
39142	2568	42	was	be	VBD
39142	2568	43	for	for	IN
39142	2568	44	a	a	DT
39142	2568	45	brief	brief	JJ
39142	2568	46	space	space	NN
39142	2568	47	illuminated	illuminate	VBN
39142	2568	48	by	by	IN
39142	2568	49	gas	gas	NN
39142	2568	50	brought	bring	VBN
39142	2568	51	to	to	IN
39142	2568	52	earth	earth	NN
39142	2568	53	in	in	IN
39142	2568	54	a	a	DT
39142	2568	55	meteorite	meteorite	NN
39142	2568	56	from	from	IN
39142	2568	57	interplanetary	interplanetary	JJ
39142	2568	58	space	space	NN
39142	2568	59	.	.	.
39142	2569	1	Meteorites	Meteorites	NNPS
39142	2569	2	,	,	,
39142	2569	3	too	too	RB
39142	2569	4	,	,	,
39142	2569	5	have	have	VBP
39142	2569	6	been	be	VBN
39142	2569	7	most	most	RBS
39142	2569	8	critically	critically	RB
39142	2569	9	investigated	investigate	VBN
39142	2569	10	by	by	IN
39142	2569	11	the	the	DT
39142	2569	12	biologist	biologist	NN
39142	2569	13	,	,	,
39142	2569	14	but	but	CC
39142	2569	15	no	no	DT
39142	2569	16	trace	trace	NN
39142	2569	17	of	of	IN
39142	2569	18	germs	germ	NNS
39142	2569	19	of	of	IN
39142	2569	20	organic	organic	JJ
39142	2569	21	life	life	NN
39142	2569	22	of	of	IN
39142	2569	23	any	any	DT
39142	2569	24	type	type	NN
39142	2569	25	has	have	VBZ
39142	2569	26	so	so	RB
39142	2569	27	far	far	RB
39142	2569	28	been	be	VBN
39142	2569	29	found	find	VBN
39142	2569	30	.	.	.
39142	2570	1	Farrington	Farrington	NNP
39142	2570	2	of	of	IN
39142	2570	3	Chicago	Chicago	NNP
39142	2570	4	has	have	VBZ
39142	2570	5	published	publish	VBN
39142	2570	6	a	a	DT
39142	2570	7	full	full	JJ
39142	2570	8	descriptive	descriptive	JJ
39142	2570	9	catalogue	catalogue	NN
39142	2570	10	of	of	IN
39142	2570	11	all	all	PDT
39142	2570	12	the	the	DT
39142	2570	13	North	north	JJ
39142	2570	14	American	american	JJ
39142	2570	15	meteorites	meteorite	NNS
39142	2570	16	.	.	.
39142	2571	1	Recent	recent	JJ
39142	2571	2	investigations	investigation	NNS
39142	2571	3	of	of	IN
39142	2571	4	the	the	DT
39142	2571	5	radioactivity	radioactivity	NN
39142	2571	6	of	of	IN
39142	2571	7	meteorites	meteorite	NNS
39142	2571	8	show	show	VBP
39142	2571	9	that	that	IN
39142	2571	10	the	the	DT
39142	2571	11	average	average	JJ
39142	2571	12	stone	stone	NN
39142	2571	13	meteorite	meteorite	NN
39142	2571	14	is	be	VBZ
39142	2571	15	much	much	RB
39142	2571	16	less	less	RBR
39142	2571	17	radioactive	radioactive	JJ
39142	2571	18	than	than	IN
39142	2571	19	the	the	DT
39142	2571	20	average	average	JJ
39142	2571	21	rock	rock	NN
39142	2571	22	,	,	,
39142	2571	23	and	and	CC
39142	2571	24	probably	probably	RB
39142	2571	25	less	less	JJR
39142	2571	26	than	than	IN
39142	2571	27	one	one	CD
39142	2571	28	-	-	HYPH
39142	2571	29	fourth	fourth	RB
39142	2571	30	as	as	RB
39142	2571	31	radioactive	radioactive	JJ
39142	2571	32	as	as	IN
39142	2571	33	in	in	IN
39142	2571	34	average	average	JJ
39142	2571	35	granite	granite	NN
39142	2571	36	.	.	.
39142	2572	1	The	the	DT
39142	2572	2	metallic	metallic	JJ
39142	2572	3	meteorites	meteorite	NNS
39142	2572	4	examined	examine	VBN
39142	2572	5	were	be	VBD
39142	2572	6	found	find	VBN
39142	2572	7	about	about	IN
39142	2572	8	wholly	wholly	RB
39142	2572	9	free	free	JJ
39142	2572	10	from	from	IN
39142	2572	11	radioactivity	radioactivity	NN
39142	2572	12	.	.	.
39142	2573	1	From	from	IN
39142	2573	2	shooting	shoot	VBG
39142	2573	3	stars	star	NNS
39142	2573	4	,	,	,
39142	2573	5	perhaps	perhaps	RB
39142	2573	6	the	the	DT
39142	2573	7	chips	chip	NNS
39142	2573	8	of	of	IN
39142	2573	9	the	the	DT
39142	2573	10	celestial	celestial	JJ
39142	2573	11	workshop	workshop	NN
39142	2573	12	,	,	,
39142	2573	13	or	or	CC
39142	2573	14	more	more	RBR
39142	2573	15	possibly	possibly	RB
39142	2573	16	related	related	JJ
39142	2573	17	to	to	IN
39142	2573	18	the	the	DT
39142	2573	19	planetesimals	planetesimal	NNS
39142	2573	20	which	which	WDT
39142	2573	21	the	the	DT
39142	2573	22	processes	process	NNS
39142	2573	23	of	of	IN
39142	2573	24	growth	growth	NN
39142	2573	25	of	of	IN
39142	2573	26	the	the	DT
39142	2573	27	universe	universe	NN
39142	2573	28	have	have	VBP
39142	2573	29	swept	sweep	VBN
39142	2573	30	up	up	RP
39142	2573	31	into	into	IN
39142	2573	32	the	the	DT
39142	2573	33	vastly	vastly	RB
39142	2573	34	greater	great	JJR
39142	2573	35	bodies	body	NNS
39142	2573	36	of	of	IN
39142	2573	37	the	the	DT
39142	2573	38	universe	universe	NN
39142	2573	39	,	,	,
39142	2573	40	transition	transition	NN
39142	2573	41	is	be	VBZ
39142	2573	42	natural	natural	JJ
39142	2573	43	to	to	IN
39142	2573	44	the	the	DT
39142	2573	45	stars	star	NNS
39142	2573	46	themselves	-PRON-	PRP
39142	2573	47	,	,	,
39142	2573	48	the	the	DT
39142	2573	49	most	most	RBS
39142	2573	50	numerous	numerous	JJ
39142	2573	51	of	of	IN
39142	2573	52	the	the	DT
39142	2573	53	heavenly	heavenly	JJ
39142	2573	54	bodies	body	NNS
39142	2573	55	,	,	,
39142	2573	56	all	all	DT
39142	2573	57	shining	shine	VBG
39142	2573	58	by	by	IN
39142	2573	59	their	-PRON-	PRP$
39142	2573	60	own	own	JJ
39142	2573	61	light	light	NN
39142	2573	62	,	,	,
39142	2573	63	and	and	CC
39142	2573	64	all	all	DT
39142	2573	65	inconceivably	inconceivably	RB
39142	2573	66	remote	remote	JJ
39142	2573	67	from	from	IN
39142	2573	68	the	the	DT
39142	2573	69	solar	solar	JJ
39142	2573	70	system	system	NN
39142	2573	71	,	,	,
39142	2573	72	which	which	WDT
39142	2573	73	nevertheless	nevertheless	RB
39142	2573	74	appears	appear	VBZ
39142	2573	75	to	to	TO
39142	2573	76	be	be	VB
39142	2573	77	not	not	RB
39142	2573	78	far	far	RB
39142	2573	79	removed	remove	VBN
39142	2573	80	from	from	IN
39142	2573	81	the	the	DT
39142	2573	82	center	center	NN
39142	2573	83	of	of	IN
39142	2573	84	the	the	DT
39142	2573	85	stellar	stellar	JJ
39142	2573	86	universe	universe	NN
39142	2573	87	.	.	.
39142	2574	1	CHAPTER	chapter	NN
39142	2574	2	XLIV	xliv	NN
39142	2574	3	THE	the	DT
39142	2574	4	UNIVERSE	universe	NN
39142	2574	5	OF	of	IN
39142	2574	6	STARS	star	NNS
39142	2574	7	Our	-PRON-	PRP$
39142	2574	8	consideration	consideration	NN
39142	2574	9	of	of	IN
39142	2574	10	the	the	DT
39142	2574	11	solar	solar	JJ
39142	2574	12	system	system	NN
39142	2574	13	hitherto	hitherto	NNP
39142	2574	14	has	have	VBZ
39142	2574	15	kept	keep	VBN
39142	2574	16	us	-PRON-	PRP
39142	2574	17	quite	quite	RB
39142	2574	18	at	at	IN
39142	2574	19	home	home	NN
39142	2574	20	in	in	IN
39142	2574	21	the	the	DT
39142	2574	22	universe	universe	NN
39142	2574	23	.	.	.
39142	2575	1	The	the	DT
39142	2575	2	outer	outer	JJ
39142	2575	3	known	know	VBN
39142	2575	4	planets	planet	NNS
39142	2575	5	,	,	,
39142	2575	6	Uranus	Uranus	NNP
39142	2575	7	and	and	CC
39142	2575	8	Neptune	Neptune	NNP
39142	2575	9	,	,	,
39142	2575	10	are	be	VBP
39142	2575	11	indeed	indeed	RB
39142	2575	12	far	far	RB
39142	2575	13	removed	remove	VBN
39142	2575	14	from	from	IN
39142	2575	15	the	the	DT
39142	2575	16	sun	sun	NN
39142	2575	17	,	,	,
39142	2575	18	and	and	CC
39142	2575	19	a	a	DT
39142	2575	20	few	few	JJ
39142	2575	21	of	of	IN
39142	2575	22	the	the	DT
39142	2575	23	comets	comet	NNS
39142	2575	24	that	that	WDT
39142	2575	25	belong	belong	VBP
39142	2575	26	to	to	IN
39142	2575	27	our	-PRON-	PRP$
39142	2575	28	family	family	NN
39142	2575	29	travel	travel	NN
39142	2575	30	to	to	TO
39142	2575	31	even	even	RB
39142	2575	32	greater	great	JJR
39142	2575	33	distances	distance	NNS
39142	2575	34	before	before	IN
39142	2575	35	they	-PRON-	PRP
39142	2575	36	begin	begin	VBP
39142	2575	37	to	to	TO
39142	2575	38	retrace	retrace	VB
39142	2575	39	their	-PRON-	PRP$
39142	2575	40	steps	step	NNS
39142	2575	41	sunward	sunward	RB
39142	2575	42	.	.	.
39142	2576	1	When	when	WRB
39142	2576	2	we	-PRON-	PRP
39142	2576	3	come	come	VBP
39142	2576	4	to	to	TO
39142	2576	5	consider	consider	VB
39142	2576	6	the	the	DT
39142	2576	7	vast	vast	JJ
39142	2576	8	majority	majority	NN
39142	2576	9	of	of	IN
39142	2576	10	the	the	DT
39142	2576	11	glistening	glistening	NN
39142	2576	12	points	point	NNS
39142	2576	13	on	on	IN
39142	2576	14	the	the	DT
39142	2576	15	celestial	celestial	JJ
39142	2576	16	sphere	sphere	NN
39142	2576	17	--	--	:
39142	2576	18	all	all	DT
39142	2576	19	in	in	IN
39142	2576	20	fact	fact	NN
39142	2576	21	except	except	IN
39142	2576	22	the	the	DT
39142	2576	23	five	five	CD
39142	2576	24	great	great	JJ
39142	2576	25	planets	planet	NNS
39142	2576	26	,	,	,
39142	2576	27	Mercury	Mercury	NNP
39142	2576	28	,	,	,
39142	2576	29	Venus	Venus	NNP
39142	2576	30	,	,	,
39142	2576	31	Mars	Mars	NNP
39142	2576	32	,	,	,
39142	2576	33	Jupiter	Jupiter	NNP
39142	2576	34	,	,	,
39142	2576	35	and	and	CC
39142	2576	36	Saturn	Saturn	NNP
39142	2576	37	--	--	:
39142	2576	38	we	-PRON-	PRP
39142	2576	39	are	be	VBP
39142	2576	40	dealing	deal	VBG
39142	2576	41	with	with	IN
39142	2576	42	bodies	body	NNS
39142	2576	43	that	that	WDT
39142	2576	44	are	be	VBP
39142	2576	45	self	self	NN
39142	2576	46	-	-	HYPH
39142	2576	47	luminous	luminous	JJ
39142	2576	48	like	like	IN
39142	2576	49	the	the	DT
39142	2576	50	sun	sun	NN
39142	2576	51	,	,	,
39142	2576	52	but	but	CC
39142	2576	53	that	that	DT
39142	2576	54	vary	vary	VBP
39142	2576	55	in	in	IN
39142	2576	56	size	size	NN
39142	2576	57	quite	quite	RB
39142	2576	58	as	as	IN
39142	2576	59	the	the	DT
39142	2576	60	bodies	body	NNS
39142	2576	61	of	of	IN
39142	2576	62	the	the	DT
39142	2576	63	solar	solar	JJ
39142	2576	64	system	system	NN
39142	2576	65	do	do	VBP
39142	2576	66	,	,	,
39142	2576	67	some	some	DT
39142	2576	68	stars	star	NNS
39142	2576	69	being	be	VBG
39142	2576	70	smaller	small	JJR
39142	2576	71	than	than	IN
39142	2576	72	the	the	DT
39142	2576	73	sun	sun	NN
39142	2576	74	and	and	CC
39142	2576	75	others	other	NNS
39142	2576	76	many	many	JJ
39142	2576	77	hundred	hundred	CD
39142	2576	78	fold	fold	VB
39142	2576	79	larger	large	JJR
39142	2576	80	than	than	IN
39142	2576	81	he	-PRON-	PRP
39142	2576	82	is	be	VBZ
39142	2576	83	;	;	:
39142	2576	84	some	some	DT
39142	2576	85	being	be	VBG
39142	2576	86	"	"	``
39142	2576	87	giants	giant	NNS
39142	2576	88	,	,	,
39142	2576	89	"	"	''
39142	2576	90	and	and	CC
39142	2576	91	others	other	NNS
39142	2576	92	"	"	''
39142	2576	93	dwarfs	dwarf	NNS
39142	2576	94	.	.	.
39142	2576	95	"	"	''
39142	2577	1	But	but	CC
39142	2577	2	the	the	DT
39142	2577	3	overwhelming	overwhelming	JJ
39142	2577	4	remoteness	remoteness	NN
39142	2577	5	of	of	IN
39142	2577	6	all	all	PDT
39142	2577	7	these	these	DT
39142	2577	8	bodies	body	NNS
39142	2577	9	arrests	arrest	VBZ
39142	2577	10	our	-PRON-	PRP$
39142	2577	11	attention	attention	NN
39142	2577	12	and	and	CC
39142	2577	13	even	even	RB
39142	2577	14	taxes	tax	VBZ
39142	2577	15	our	-PRON-	PRP$
39142	2577	16	credulity	credulity	NN
39142	2577	17	regarding	regard	VBG
39142	2577	18	the	the	DT
39142	2577	19	methods	method	NNS
39142	2577	20	that	that	WDT
39142	2577	21	astronomers	astronomer	NNS
39142	2577	22	have	have	VBP
39142	2577	23	depended	depend	VBN
39142	2577	24	on	on	IN
39142	2577	25	to	to	TO
39142	2577	26	ascertain	ascertain	VB
39142	2577	27	their	-PRON-	PRP$
39142	2577	28	distances	distance	NNS
39142	2577	29	from	from	IN
39142	2577	30	us	-PRON-	PRP
39142	2577	31	.	.	.
39142	2578	1	Their	-PRON-	PRP$
39142	2578	2	seeming	seeming	JJ
39142	2578	3	countlessness	countlessness	NN
39142	2578	4	,	,	,
39142	2578	5	too	too	RB
39142	2578	6	,	,	,
39142	2578	7	is	be	VBZ
39142	2578	8	as	as	RB
39142	2578	9	bewildering	bewildering	JJ
39142	2578	10	as	as	IN
39142	2578	11	are	be	VBP
39142	2578	12	the	the	DT
39142	2578	13	distances	distance	NNS
39142	2578	14	;	;	:
39142	2578	15	though	though	RB
39142	2578	16	,	,	,
39142	2578	17	if	if	IN
39142	2578	18	we	-PRON-	PRP
39142	2578	19	make	make	VBP
39142	2578	20	actual	actual	JJ
39142	2578	21	counts	count	NNS
39142	2578	22	of	of	IN
39142	2578	23	those	those	DT
39142	2578	24	visible	visible	JJ
39142	2578	25	to	to	IN
39142	2578	26	the	the	DT
39142	2578	27	naked	naked	JJ
39142	2578	28	eye	eye	NN
39142	2578	29	within	within	IN
39142	2578	30	a	a	DT
39142	2578	31	certain	certain	JJ
39142	2578	32	area	area	NN
39142	2578	33	,	,	,
39142	2578	34	in	in	IN
39142	2578	35	the	the	DT
39142	2578	36	body	body	NN
39142	2578	37	of	of	IN
39142	2578	38	the	the	DT
39142	2578	39	"	"	``
39142	2578	40	Great	Great	NNP
39142	2578	41	Bear	Bear	NNP
39142	2578	42	,	,	,
39142	2578	43	"	"	''
39142	2578	44	for	for	IN
39142	2578	45	example	example	NN
39142	2578	46	,	,	,
39142	2578	47	the	the	DT
39142	2578	48	great	great	JJ
39142	2578	49	surprise	surprise	NN
39142	2578	50	will	will	MD
39142	2578	51	be	be	VB
39142	2578	52	that	that	IN
39142	2578	53	there	there	EX
39142	2578	54	are	be	VBP
39142	2578	55	so	so	RB
39142	2578	56	few	few	JJ
39142	2578	57	.	.	.
39142	2579	1	And	and	CC
39142	2579	2	if	if	IN
39142	2579	3	the	the	DT
39142	2579	4	entire	entire	JJ
39142	2579	5	dome	dome	NN
39142	2579	6	of	of	IN
39142	2579	7	the	the	DT
39142	2579	8	sky	sky	NN
39142	2579	9	is	be	VBZ
39142	2579	10	counted	count	VBN
39142	2579	11	,	,	,
39142	2579	12	at	at	IN
39142	2579	13	any	any	DT
39142	2579	14	one	one	CD
39142	2579	15	time	time	NN
39142	2579	16	,	,	,
39142	2579	17	a	a	DT
39142	2579	18	clear	clear	JJ
39142	2579	19	,	,	,
39142	2579	20	moonless	moonless	JJ
39142	2579	21	sky	sky	NN
39142	2579	22	would	would	MD
39142	2579	23	reveal	reveal	VB
39142	2579	24	perhaps	perhaps	RB
39142	2579	25	2,500	2,500	CD
39142	2579	26	,	,	,
39142	2579	27	so	so	IN
39142	2579	28	that	that	IN
39142	2579	29	in	in	IN
39142	2579	30	the	the	DT
39142	2579	31	entire	entire	JJ
39142	2579	32	sky	sky	NN
39142	2579	33	,	,	,
39142	2579	34	northern	northern	JJ
39142	2579	35	and	and	CC
39142	2579	36	southern	southern	JJ
39142	2579	37	,	,	,
39142	2579	38	we	-PRON-	PRP
39142	2579	39	might	may	MD
39142	2579	40	expect	expect	VB
39142	2579	41	to	to	TO
39142	2579	42	find	find	VB
39142	2579	43	5,000	5,000	CD
39142	2579	44	to	to	IN
39142	2579	45	6,000	6,000	CD
39142	2579	46	lucid	lucid	JJ
39142	2579	47	stars	star	NNS
39142	2579	48	,	,	,
39142	2579	49	or	or	CC
39142	2579	50	stars	star	VBZ
39142	2579	51	visible	visible	JJ
39142	2579	52	to	to	IN
39142	2579	53	the	the	DT
39142	2579	54	naked	naked	JJ
39142	2579	55	eye	eye	NN
39142	2579	56	.	.	.
39142	2580	1	But	but	CC
39142	2580	2	when	when	WRB
39142	2580	3	the	the	DT
39142	2580	4	telescope	telescope	NN
39142	2580	5	is	be	VBZ
39142	2580	6	applied	apply	VBN
39142	2580	7	,	,	,
39142	2580	8	every	every	DT
39142	2580	9	accession	accession	NN
39142	2580	10	of	of	IN
39142	2580	11	power	power	NN
39142	2580	12	increases	increase	VBZ
39142	2580	13	the	the	DT
39142	2580	14	myriads	myriad	NNS
39142	2580	15	of	of	IN
39142	2580	16	fainter	fainter	NN
39142	2580	17	and	and	CC
39142	2580	18	fainter	fainter	NN
39142	2580	19	stars	star	NNS
39142	2580	20	,	,	,
39142	2580	21	until	until	IN
39142	2580	22	the	the	DT
39142	2580	23	number	number	NN
39142	2580	24	within	within	IN
39142	2580	25	optical	optical	JJ
39142	2580	26	reach	reach	NN
39142	2580	27	of	of	IN
39142	2580	28	present	present	JJ
39142	2580	29	instruments	instrument	NNS
39142	2580	30	is	be	VBZ
39142	2580	31	somewhere	somewhere	RB
39142	2580	32	between	between	IN
39142	2580	33	400	400	CD
39142	2580	34	and	and	CC
39142	2580	35	500	500	CD
39142	2580	36	millions	million	NNS
39142	2580	37	.	.	.
39142	2581	1	But	but	CC
39142	2581	2	if	if	IN
39142	2581	3	we	-PRON-	PRP
39142	2581	4	were	be	VBD
39142	2581	5	to	to	TO
39142	2581	6	push	push	VB
39142	2581	7	the	the	DT
39142	2581	8	100-inch	100-inch	CD
39142	2581	9	reflector	reflector	NN
39142	2581	10	on	on	IN
39142	2581	11	Mount	Mount	NNP
39142	2581	12	Wilson	Wilson	NNP
39142	2581	13	to	to	IN
39142	2581	14	its	-PRON-	PRP$
39142	2581	15	limit	limit	NN
39142	2581	16	by	by	IN
39142	2581	17	photography	photography	NN
39142	2581	18	with	with	IN
39142	2581	19	plates	plate	NNS
39142	2581	20	of	of	IN
39142	2581	21	the	the	DT
39142	2581	22	highest	high	JJS
39142	2581	23	sensitiveness	sensitiveness	NN
39142	2581	24	,	,	,
39142	2581	25	millions	million	NNS
39142	2581	26	upon	upon	IN
39142	2581	27	millions	million	NNS
39142	2581	28	of	of	IN
39142	2581	29	excessively	excessively	RB
39142	2581	30	faint	faint	JJ
39142	2581	31	stars	star	NNS
39142	2581	32	would	would	MD
39142	2581	33	be	be	VB
39142	2581	34	plainly	plainly	RB
39142	2581	35	visible	visible	JJ
39142	2581	36	on	on	IN
39142	2581	37	the	the	DT
39142	2581	38	plates	plate	NNS
39142	2581	39	which	which	WDT
39142	2581	40	the	the	DT
39142	2581	41	human	human	JJ
39142	2581	42	eye	eye	NN
39142	2581	43	can	can	MD
39142	2581	44	never	never	RB
39142	2581	45	hope	hope	VB
39142	2581	46	to	to	TO
39142	2581	47	see	see	VB
39142	2581	48	directly	directly	RB
39142	2581	49	with	with	IN
39142	2581	50	any	any	DT
39142	2581	51	telescope	telescope	NN
39142	2581	52	present	present	JJ
39142	2581	53	or	or	CC
39142	2581	54	future	future	JJ
39142	2581	55	,	,	,
39142	2581	56	and	and	CC
39142	2581	57	which	which	WDT
39142	2581	58	would	would	MD
39142	2581	59	doubtless	doubtless	RB
39142	2581	60	swell	swell	VB
39142	2581	61	the	the	DT
39142	2581	62	total	total	JJ
39142	2581	63	number	number	NN
39142	2581	64	of	of	IN
39142	2581	65	stars	star	NNS
39142	2581	66	to	to	IN
39142	2581	67	a	a	DT
39142	2581	68	thousand	thousand	CD
39142	2581	69	millions	million	NNS
39142	2581	70	.	.	.
39142	2582	1	Recent	recent	JJ
39142	2582	2	counts	count	NNS
39142	2582	3	of	of	IN
39142	2582	4	stars	star	NNS
39142	2582	5	by	by	IN
39142	2582	6	Chapman	Chapman	NNP
39142	2582	7	and	and	CC
39142	2582	8	Melotte	Melotte	NNP
39142	2582	9	of	of	IN
39142	2582	10	Greenwich	Greenwich	NNP
39142	2582	11	tend	tend	VBP
39142	2582	12	to	to	TO
39142	2582	13	substantiate	substantiate	VB
39142	2582	14	this	this	DT
39142	2582	15	estimate	estimate	NN
39142	2582	16	.	.	.
39142	2583	1	What	what	WP
39142	2583	2	have	have	VBP
39142	2583	3	astronomers	astronomer	NNS
39142	2583	4	done	do	VBN
39142	2583	5	to	to	TO
39142	2583	6	classify	classify	VB
39142	2583	7	or	or	CC
39142	2583	8	catalogue	catalogue	VB
39142	2583	9	this	this	DT
39142	2583	10	vast	vast	JJ
39142	2583	11	array	array	NN
39142	2583	12	of	of	IN
39142	2583	13	bodies	body	NNS
39142	2583	14	in	in	IN
39142	2583	15	the	the	DT
39142	2583	16	sky	sky	NN
39142	2583	17	?	?	.
39142	2584	1	Even	even	RB
39142	2584	2	before	before	IN
39142	2584	3	making	make	VBG
39142	2584	4	any	any	DT
39142	2584	5	attempt	attempt	NN
39142	2584	6	to	to	TO
39142	2584	7	estimate	estimate	VB
39142	2584	8	their	-PRON-	PRP$
39142	2584	9	number	number	NN
39142	2584	10	,	,	,
39142	2584	11	there	there	EX
39142	2584	12	is	be	VBZ
39142	2584	13	a	a	DT
39142	2584	14	system	system	NN
39142	2584	15	of	of	IN
39142	2584	16	classification	classification	NN
39142	2584	17	simply	simply	RB
39142	2584	18	by	by	IN
39142	2584	19	the	the	DT
39142	2584	20	amount	amount	NN
39142	2584	21	of	of	IN
39142	2584	22	light	light	NN
39142	2584	23	they	-PRON-	PRP
39142	2584	24	send	send	VBP
39142	2584	25	us	-PRON-	PRP
39142	2584	26	,	,	,
39142	2584	27	or	or	CC
39142	2584	28	by	by	IN
39142	2584	29	their	-PRON-	PRP$
39142	2584	30	apparent	apparent	JJ
39142	2584	31	stellar	stellar	JJ
39142	2584	32	magnitudes	magnitude	NNS
39142	2584	33	--	--	:
39142	2584	34	not	not	RB
39142	2584	35	their	-PRON-	PRP$
39142	2584	36	actual	actual	JJ
39142	2584	37	magnitudes	magnitude	NNS
39142	2584	38	,	,	,
39142	2584	39	for	for	IN
39142	2584	40	of	of	IN
39142	2584	41	those	those	DT
39142	2584	42	we	-PRON-	PRP
39142	2584	43	know	know	VBP
39142	2584	44	as	as	RB
39142	2584	45	yet	yet	RB
39142	2584	46	very	very	RB
39142	2584	47	little	little	JJ
39142	2584	48	.	.	.
39142	2585	1	We	-PRON-	PRP
39142	2585	2	speak	speak	VBP
39142	2585	3	of	of	IN
39142	2585	4	stars	star	NNS
39142	2585	5	of	of	IN
39142	2585	6	the	the	DT
39142	2585	7	"	"	``
39142	2585	8	first	first	JJ
39142	2585	9	magnitude	magnitude	NN
39142	2585	10	,	,	,
39142	2585	11	"	"	''
39142	2585	12	of	of	IN
39142	2585	13	which	which	WDT
39142	2585	14	there	there	EX
39142	2585	15	are	be	VBP
39142	2585	16	about	about	RB
39142	2585	17	20	20	CD
39142	2585	18	,	,	,
39142	2585	19	Sirius	Sirius	NNP
39142	2585	20	being	be	VBG
39142	2585	21	the	the	DT
39142	2585	22	brightest	bright	JJS
39142	2585	23	and	and	CC
39142	2585	24	Regulus	Regulus	NNP
39142	2585	25	the	the	DT
39142	2585	26	faintest	faint	JJS
39142	2585	27	.	.	.
39142	2586	1	Then	then	RB
39142	2586	2	there	there	EX
39142	2586	3	are	be	VBP
39142	2586	4	about	about	RB
39142	2586	5	65	65	CD
39142	2586	6	of	of	IN
39142	2586	7	the	the	DT
39142	2586	8	second	second	JJ
39142	2586	9	,	,	,
39142	2586	10	or	or	CC
39142	2586	11	next	next	JJ
39142	2586	12	fainter	fainter	NN
39142	2586	13	,	,	,
39142	2586	14	magnitude	magnitude	NN
39142	2586	15	,	,	,
39142	2586	16	stars	star	VBZ
39142	2586	17	like	like	IN
39142	2586	18	Polaris	Polaris	NNP
39142	2586	19	,	,	,
39142	2586	20	for	for	IN
39142	2586	21	example	example	NN
39142	2586	22	,	,	,
39142	2586	23	which	which	WDT
39142	2586	24	give	give	VBP
39142	2586	25	an	an	DT
39142	2586	26	amount	amount	NN
39142	2586	27	of	of	IN
39142	2586	28	light	light	JJ
39142	2586	29	two	two	CD
39142	2586	30	and	and	CC
39142	2586	31	a	a	DT
39142	2586	32	half	half	NN
39142	2586	33	times	time	NNS
39142	2586	34	less	less	JJR
39142	2586	35	than	than	IN
39142	2586	36	the	the	DT
39142	2586	37	average	average	JJ
39142	2586	38	first	first	JJ
39142	2586	39	magnitude	magnitude	NN
39142	2586	40	star	star	NN
39142	2586	41	.	.	.
39142	2587	1	Stars	star	NNS
39142	2587	2	of	of	IN
39142	2587	3	the	the	DT
39142	2587	4	third	third	JJ
39142	2587	5	magnitude	magnitude	NN
39142	2587	6	are	be	VBP
39142	2587	7	fainter	fainter	NN
39142	2587	8	than	than	IN
39142	2587	9	those	those	DT
39142	2587	10	of	of	IN
39142	2587	11	the	the	DT
39142	2587	12	second	second	JJ
39142	2587	13	in	in	IN
39142	2587	14	the	the	DT
39142	2587	15	same	same	JJ
39142	2587	16	ratio	ratio	NN
39142	2587	17	,	,	,
39142	2587	18	but	but	CC
39142	2587	19	their	-PRON-	PRP$
39142	2587	20	number	number	NN
39142	2587	21	increases	increase	NNS
39142	2587	22	to	to	IN
39142	2587	23	200	200	CD
39142	2587	24	;	;	:
39142	2587	25	fourth	fourth	JJ
39142	2587	26	magnitude	magnitude	NN
39142	2587	27	,	,	,
39142	2587	28	500	500	CD
39142	2587	29	;	;	:
39142	2587	30	fifth	fifth	JJ
39142	2587	31	magnitude	magnitude	NN
39142	2587	32	,	,	,
39142	2587	33	1,400	1,400	CD
39142	2587	34	;	;	:
39142	2587	35	sixth	sixth	JJ
39142	2587	36	magnitude	magnitude	NN
39142	2587	37	,	,	,
39142	2587	38	5,000	5,000	CD
39142	2587	39	,	,	,
39142	2587	40	and	and	CC
39142	2587	41	these	these	DT
39142	2587	42	are	be	VBP
39142	2587	43	so	so	RB
39142	2587	44	faint	faint	JJ
39142	2587	45	that	that	IN
39142	2587	46	they	-PRON-	PRP
39142	2587	47	are	be	VBP
39142	2587	48	just	just	RB
39142	2587	49	visible	visible	JJ
39142	2587	50	on	on	IN
39142	2587	51	the	the	DT
39142	2587	52	best	good	JJS
39142	2587	53	nights	night	NNS
39142	2587	54	without	without	IN
39142	2587	55	telescopic	telescopic	JJ
39142	2587	56	aid	aid	NN
39142	2587	57	.	.	.
39142	2588	1	Decimals	decimal	NNS
39142	2588	2	express	express	VBP
39142	2588	3	all	all	DT
39142	2588	4	intermediate	intermediate	JJ
39142	2588	5	graduations	graduation	NNS
39142	2588	6	of	of	IN
39142	2588	7	magnitude	magnitude	NN
39142	2588	8	.	.	.
39142	2589	1	Astronomers	astronomer	NNS
39142	2589	2	carry	carry	VBP
39142	2589	3	the	the	DT
39142	2589	4	telescopic	telescopic	NN
39142	2589	5	magnitudes	magnitude	NNS
39142	2589	6	much	much	RB
39142	2589	7	farther	farther	RB
39142	2589	8	,	,	,
39142	2589	9	till	till	IN
39142	2589	10	a	a	DT
39142	2589	11	magnitude	magnitude	NN
39142	2589	12	beyond	beyond	IN
39142	2589	13	the	the	DT
39142	2589	14	twentieth	twentieth	JJ
39142	2589	15	is	be	VBZ
39142	2589	16	reached	reach	VBN
39142	2589	17	,	,	,
39142	2589	18	preserving	preserve	VBG
39142	2589	19	in	in	IN
39142	2589	20	every	every	DT
39142	2589	21	case	case	NN
39142	2589	22	the	the	DT
39142	2589	23	ratio	ratio	NN
39142	2589	24	of	of	IN
39142	2589	25	two	two	CD
39142	2589	26	and	and	CC
39142	2589	27	one	one	CD
39142	2589	28	-	-	HYPH
39142	2589	29	half	half	NN
39142	2589	30	for	for	IN
39142	2589	31	each	each	DT
39142	2589	32	magnitude	magnitude	NN
39142	2589	33	in	in	IN
39142	2589	34	relation	relation	NN
39142	2589	35	to	to	IN
39142	2589	36	that	that	DT
39142	2589	37	numerically	numerically	RB
39142	2589	38	next	next	RB
39142	2589	39	to	to	IN
39142	2589	40	it	-PRON-	PRP
39142	2589	41	.	.	.
39142	2590	1	Even	even	RB
39142	2590	2	Jupiter	Jupiter	NNP
39142	2590	3	and	and	CC
39142	2590	4	Venus	Venus	NNP
39142	2590	5	,	,	,
39142	2590	6	and	and	CC
39142	2590	7	the	the	DT
39142	2590	8	sun	sun	NN
39142	2590	9	and	and	CC
39142	2590	10	moon	moon	NN
39142	2590	11	,	,	,
39142	2590	12	are	be	VBP
39142	2590	13	sometimes	sometimes	RB
39142	2590	14	calculated	calculate	VBN
39142	2590	15	on	on	IN
39142	2590	16	this	this	DT
39142	2590	17	scale	scale	NN
39142	2590	18	of	of	IN
39142	2590	19	stellar	stellar	JJ
39142	2590	20	magnitude	magnitude	NN
39142	2590	21	,	,	,
39142	2590	22	numerically	numerically	RB
39142	2590	23	negative	negative	JJ
39142	2590	24	,	,	,
39142	2590	25	of	of	IN
39142	2590	26	course	course	NN
39142	2590	27	,	,	,
39142	2590	28	Venus	Venus	NNP
39142	2590	29	sometimes	sometimes	RB
39142	2590	30	being	be	VBG
39142	2590	31	as	as	RB
39142	2590	32	bright	bright	JJ
39142	2590	33	as	as	IN
39142	2590	34	magnitude	magnitude	NN
39142	2590	35	-4.3	-4.3	NN
39142	2590	36	,	,	,
39142	2590	37	and	and	CC
39142	2590	38	the	the	DT
39142	2590	39	sun	sun	NN
39142	2590	40	-26.7	-26.7	:
39142	2590	41	.	.	.
39142	2591	1	Knowing	know	VBG
39142	2591	2	thus	thus	RB
39142	2591	3	the	the	DT
39142	2591	4	relation	relation	NN
39142	2591	5	of	of	IN
39142	2591	6	sun	sun	NN
39142	2591	7	,	,	,
39142	2591	8	moon	moon	NN
39142	2591	9	,	,	,
39142	2591	10	and	and	CC
39142	2591	11	stars	star	NNS
39142	2591	12	,	,	,
39142	2591	13	and	and	CC
39142	2591	14	the	the	DT
39142	2591	15	number	number	NN
39142	2591	16	of	of	IN
39142	2591	17	the	the	DT
39142	2591	18	stars	star	NNS
39142	2591	19	of	of	IN
39142	2591	20	different	different	JJ
39142	2591	21	magnitudes	magnitude	NNS
39142	2591	22	,	,	,
39142	2591	23	it	-PRON-	PRP
39142	2591	24	is	be	VBZ
39142	2591	25	possible	possible	JJ
39142	2591	26	to	to	TO
39142	2591	27	estimate	estimate	VB
39142	2591	28	the	the	DT
39142	2591	29	total	total	JJ
39142	2591	30	light	light	NN
39142	2591	31	from	from	IN
39142	2591	32	the	the	DT
39142	2591	33	stars	star	NNS
39142	2591	34	.	.	.
39142	2592	1	This	this	DT
39142	2592	2	interesting	interesting	JJ
39142	2592	3	relation	relation	NN
39142	2592	4	comes	come	VBZ
39142	2592	5	out	out	RP
39142	2592	6	this	this	DT
39142	2592	7	way	way	NN
39142	2592	8	:	:	:
39142	2592	9	that	that	IN
39142	2592	10	the	the	DT
39142	2592	11	stars	star	NNS
39142	2592	12	we	-PRON-	PRP
39142	2592	13	can	can	MD
39142	2592	14	not	not	RB
39142	2592	15	see	see	VB
39142	2592	16	with	with	IN
39142	2592	17	the	the	DT
39142	2592	18	naked	naked	JJ
39142	2592	19	eye	eye	NN
39142	2592	20	give	give	VBP
39142	2592	21	a	a	DT
39142	2592	22	greater	great	JJR
39142	2592	23	total	total	NN
39142	2592	24	of	of	IN
39142	2592	25	light	light	NN
39142	2592	26	than	than	IN
39142	2592	27	those	those	DT
39142	2592	28	we	-PRON-	PRP
39142	2592	29	can	can	MD
39142	2592	30	because	because	IN
39142	2592	31	of	of	IN
39142	2592	32	their	-PRON-	PRP$
39142	2592	33	vastly	vastly	RB
39142	2592	34	greater	great	JJR
39142	2592	35	numbers	number	NNS
39142	2592	36	.	.	.
39142	2593	1	And	and	CC
39142	2593	2	if	if	IN
39142	2593	3	we	-PRON-	PRP
39142	2593	4	calculate	calculate	VBP
39142	2593	5	the	the	DT
39142	2593	6	total	total	JJ
39142	2593	7	light	light	NN
39142	2593	8	of	of	IN
39142	2593	9	all	all	PDT
39142	2593	10	the	the	DT
39142	2593	11	brighter	bright	JJR
39142	2593	12	stars	star	NNS
39142	2593	13	down	down	RP
39142	2593	14	to	to	TO
39142	2593	15	magnitude	magnitude	VB
39142	2593	16	nine	nine	CD
39142	2593	17	and	and	CC
39142	2593	18	one	one	CD
39142	2593	19	-	-	HYPH
39142	2593	20	half	half	NN
39142	2593	21	,	,	,
39142	2593	22	we	-PRON-	PRP
39142	2593	23	find	find	VBP
39142	2593	24	it	-PRON-	PRP
39142	2593	25	equal	equal	JJ
39142	2593	26	to	to	IN
39142	2593	27	1/80th	1/80th	CD
39142	2593	28	of	of	IN
39142	2593	29	the	the	DT
39142	2593	30	light	light	NN
39142	2593	31	of	of	IN
39142	2593	32	the	the	DT
39142	2593	33	average	average	JJ
39142	2593	34	full	full	JJ
39142	2593	35	moon	moon	NN
39142	2593	36	.	.	.
39142	2594	1	Many	many	JJ
39142	2594	2	stars	star	NNS
39142	2594	3	show	show	VBP
39142	2594	4	marked	mark	VBD
39142	2594	5	differences	difference	NNS
39142	2594	6	in	in	IN
39142	2594	7	color	color	NN
39142	2594	8	,	,	,
39142	2594	9	and	and	CC
39142	2594	10	strictly	strictly	RB
39142	2594	11	speaking	speak	VBG
39142	2594	12	the	the	DT
39142	2594	13	stars	star	NNS
39142	2594	14	are	be	VBP
39142	2594	15	now	now	RB
39142	2594	16	classified	classify	VBN
39142	2594	17	by	by	IN
39142	2594	18	their	-PRON-	PRP$
39142	2594	19	colors	color	NNS
39142	2594	20	.	.	.
39142	2595	1	The	the	DT
39142	2595	2	atmosphere	atmosphere	NN
39142	2595	3	affects	affect	VBZ
39142	2595	4	star	star	NN
39142	2595	5	colors	color	NNS
39142	2595	6	very	very	RB
39142	2595	7	considerably	considerably	RB
39142	2595	8	,	,	,
39142	2595	9	low	low	JJ
39142	2595	10	altitudes	altitude	NNS
39142	2595	11	,	,	,
39142	2595	12	or	or	CC
39142	2595	13	greater	great	JJR
39142	2595	14	thickness	thickness	NN
39142	2595	15	of	of	IN
39142	2595	16	air	air	NN
39142	2595	17	,	,	,
39142	2595	18	absorbing	absorb	VBG
39142	2595	19	the	the	DT
39142	2595	20	bluish	bluish	JJ
39142	2595	21	rays	ray	NNS
39142	2595	22	more	more	RBR
39142	2595	23	strongly	strongly	RB
39142	2595	24	and	and	CC
39142	2595	25	making	make	VBG
39142	2595	26	the	the	DT
39142	2595	27	stars	star	NNS
39142	2595	28	appear	appear	VB
39142	2595	29	redder	red	JJR
39142	2595	30	than	than	IN
39142	2595	31	they	-PRON-	PRP
39142	2595	32	really	really	RB
39142	2595	33	are	be	VBP
39142	2595	34	.	.	.
39142	2596	1	Aldebaran	Aldebaran	NNP
39142	2596	2	,	,	,
39142	2596	3	Betelgeuse	Betelgeuse	NNP
39142	2596	4	and	and	CC
39142	2596	5	Antares	Antares	NNPS
39142	2596	6	are	be	VBP
39142	2596	7	well	well	RB
39142	2596	8	-	-	HYPH
39142	2596	9	known	know	VBN
39142	2596	10	red	red	JJ
39142	2596	11	stars	star	NNS
39142	2596	12	,	,	,
39142	2596	13	Capella	Capella	NNP
39142	2596	14	and	and	CC
39142	2596	15	Alpha	Alpha	NNP
39142	2596	16	Ceti	Ceti	NNP
39142	2596	17	yellowish	yellowish	NN
39142	2596	18	,	,	,
39142	2596	19	Vega	Vega	NNP
39142	2596	20	and	and	CC
39142	2596	21	Sirius	Sirius	NNP
39142	2596	22	blue	blue	JJ
39142	2596	23	,	,	,
39142	2596	24	and	and	CC
39142	2596	25	Procyon	Procyon	NNP
39142	2596	26	and	and	CC
39142	2596	27	Polaris	Polaris	NNP
39142	2596	28	white	white	JJ
39142	2596	29	.	.	.
39142	2597	1	Among	among	IN
39142	2597	2	the	the	DT
39142	2597	3	telescopic	telescopic	JJ
39142	2597	4	stars	star	NNS
39142	2597	5	are	be	VBP
39142	2597	6	many	many	JJ
39142	2597	7	of	of	IN
39142	2597	8	a	a	DT
39142	2597	9	deep	deep	JJ
39142	2597	10	blood	blood	NN
39142	2597	11	-	-	HYPH
39142	2597	12	red	red	JJ
39142	2597	13	tint	tint	NN
39142	2597	14	,	,	,
39142	2597	15	variable	variable	JJ
39142	2597	16	stars	star	NNS
39142	2597	17	being	be	VBG
39142	2597	18	numerous	numerous	JJ
39142	2597	19	among	among	IN
39142	2597	20	them	-PRON-	PRP
39142	2597	21	.	.	.
39142	2598	1	Double	double	JJ
39142	2598	2	stars	star	NNS
39142	2598	3	,	,	,
39142	2598	4	too	too	RB
39142	2598	5	,	,	,
39142	2598	6	are	be	VBP
39142	2598	7	often	often	RB
39142	2598	8	complementary	complementary	JJ
39142	2598	9	in	in	IN
39142	2598	10	color	color	NN
39142	2598	11	.	.	.
39142	2599	1	There	there	EX
39142	2599	2	is	be	VBZ
39142	2599	3	evidence	evidence	NN
39142	2599	4	indicating	indicate	VBG
39142	2599	5	change	change	NN
39142	2599	6	of	of	IN
39142	2599	7	color	color	NN
39142	2599	8	of	of	IN
39142	2599	9	a	a	DT
39142	2599	10	very	very	RB
39142	2599	11	few	few	JJ
39142	2599	12	stars	star	NNS
39142	2599	13	in	in	IN
39142	2599	14	long	long	JJ
39142	2599	15	periods	period	NNS
39142	2599	16	of	of	IN
39142	2599	17	time	time	NN
39142	2599	18	;	;	:
39142	2599	19	Sirius	Sirius	NNP
39142	2599	20	,	,	,
39142	2599	21	for	for	IN
39142	2599	22	example	example	NN
39142	2599	23	,	,	,
39142	2599	24	two	two	CD
39142	2599	25	thousand	thousand	CD
39142	2599	26	years	year	NNS
39142	2599	27	ago	ago	RB
39142	2599	28	was	be	VBD
39142	2599	29	a	a	DT
39142	2599	30	red	red	JJ
39142	2599	31	star	star	NN
39142	2599	32	,	,	,
39142	2599	33	now	now	RB
39142	2599	34	it	-PRON-	PRP
39142	2599	35	is	be	VBZ
39142	2599	36	blue	blue	JJ
39142	2599	37	or	or	CC
39142	2599	38	bluish	bluish	JJ
39142	2599	39	white	white	NN
39142	2599	40	.	.	.
39142	2600	1	But	but	CC
39142	2600	2	the	the	DT
39142	2600	3	meaning	meaning	NN
39142	2600	4	of	of	IN
39142	2600	5	color	color	NN
39142	2600	6	,	,	,
39142	2600	7	or	or	CC
39142	2600	8	change	change	NN
39142	2600	9	of	of	IN
39142	2600	10	color	color	NN
39142	2600	11	in	in	IN
39142	2600	12	a	a	DT
39142	2600	13	star	star	NN
39142	2600	14	is	be	VBZ
39142	2600	15	as	as	RB
39142	2600	16	yet	yet	RB
39142	2600	17	only	only	RB
39142	2600	18	incompletely	incompletely	RB
39142	2600	19	ascertained	ascertain	VBN
39142	2600	20	.	.	.
39142	2601	1	It	-PRON-	PRP
39142	2601	2	may	may	MD
39142	2601	3	be	be	VB
39142	2601	4	connected	connect	VBN
39142	2601	5	with	with	IN
39142	2601	6	the	the	DT
39142	2601	7	radiative	radiative	JJ
39142	2601	8	intensity	intensity	NN
39142	2601	9	of	of	IN
39142	2601	10	the	the	DT
39142	2601	11	star	star	NN
39142	2601	12	,	,	,
39142	2601	13	or	or	CC
39142	2601	14	its	-PRON-	PRP$
39142	2601	15	age	age	NN
39142	2601	16	,	,	,
39142	2601	17	or	or	CC
39142	2601	18	both	both	DT
39142	2601	19	.	.	.
39142	2602	1	The	the	DT
39142	2602	2	late	late	JJ
39142	2602	3	Professor	Professor	NNP
39142	2602	4	Edward	Edward	NNP
39142	2602	5	C.	C.	NNP
39142	2602	6	Pickering	Pickering	NNP
39142	2602	7	was	be	VBD
39142	2602	8	famous	famous	JJ
39142	2602	9	for	for	IN
39142	2602	10	his	-PRON-	PRP$
39142	2602	11	life	life	NN
39142	2602	12	-	-	HYPH
39142	2602	13	long	long	JJ
39142	2602	14	study	study	NN
39142	2602	15	and	and	CC
39142	2602	16	determination	determination	NN
39142	2602	17	of	of	IN
39142	2602	18	the	the	DT
39142	2602	19	magnitudes	magnitude	NNS
39142	2602	20	of	of	IN
39142	2602	21	the	the	DT
39142	2602	22	stars	star	NNS
39142	2602	23	.	.	.
39142	2603	1	Standards	standard	NNS
39142	2603	2	of	of	IN
39142	2603	3	comparison	comparison	NN
39142	2603	4	have	have	VBP
39142	2603	5	been	be	VBN
39142	2603	6	many	many	JJ
39142	2603	7	,	,	,
39142	2603	8	and	and	CC
39142	2603	9	have	have	VBP
39142	2603	10	led	lead	VBN
39142	2603	11	to	to	IN
39142	2603	12	much	much	JJ
39142	2603	13	unnecessary	unnecessary	JJ
39142	2603	14	work	work	NN
39142	2603	15	.	.	.
39142	2604	1	Pickering	pickering	NN
39142	2604	2	chose	choose	VBD
39142	2604	3	Polaris	Polaris	NNP
39142	2604	4	as	as	IN
39142	2604	5	a	a	DT
39142	2604	6	standard	standard	NN
39142	2604	7	and	and	CC
39142	2604	8	devised	devise	VBD
39142	2604	9	the	the	DT
39142	2604	10	meridian	meridian	NNP
39142	2604	11	photometer	photometer	NNP
39142	2604	12	,	,	,
39142	2604	13	an	an	DT
39142	2604	14	ingenious	ingenious	JJ
39142	2604	15	instrument	instrument	NN
39142	2604	16	of	of	IN
39142	2604	17	high	high	JJ
39142	2604	18	accuracy	accuracy	NN
39142	2604	19	,	,	,
39142	2604	20	in	in	IN
39142	2604	21	which	which	WDT
39142	2604	22	the	the	DT
39142	2604	23	light	light	NN
39142	2604	24	of	of	IN
39142	2604	25	a	a	DT
39142	2604	26	star	star	NN
39142	2604	27	is	be	VBZ
39142	2604	28	compared	compare	VBN
39142	2604	29	directly	directly	RB
39142	2604	30	with	with	IN
39142	2604	31	that	that	DT
39142	2604	32	of	of	IN
39142	2604	33	the	the	DT
39142	2604	34	pole	pole	NNP
39142	2604	35	star	star	NN
39142	2604	36	by	by	IN
39142	2604	37	reflection	reflection	NN
39142	2604	38	.	.	.
39142	2605	1	All	all	PDT
39142	2605	2	the	the	DT
39142	2605	3	bright	bright	JJ
39142	2605	4	stars	star	NNS
39142	2605	5	of	of	IN
39142	2605	6	both	both	CC
39142	2605	7	the	the	DT
39142	2605	8	northern	northern	JJ
39142	2605	9	and	and	CC
39142	2605	10	the	the	DT
39142	2605	11	southern	southern	JJ
39142	2605	12	skies	sky	NNS
39142	2605	13	are	be	VBP
39142	2605	14	worked	work	VBN
39142	2605	15	into	into	IN
39142	2605	16	a	a	DT
39142	2605	17	standard	standard	JJ
39142	2605	18	system	system	NN
39142	2605	19	of	of	IN
39142	2605	20	magnitudes	magnitude	NNS
39142	2605	21	known	know	VBN
39142	2605	22	as	as	IN
39142	2605	23	HP	HP	NNP
39142	2605	24	,	,	,
39142	2605	25	or	or	CC
39142	2605	26	the	the	DT
39142	2605	27	Harvard	Harvard	NNP
39142	2605	28	Photometry	Photometry	NNP
39142	2605	29	.	.	.
39142	2606	1	Astronomers	astronomer	NNS
39142	2606	2	make	make	VBP
39142	2606	3	use	use	NN
39142	2606	4	of	of	IN
39142	2606	5	several	several	JJ
39142	2606	6	different	different	JJ
39142	2606	7	kinds	kind	NNS
39142	2606	8	of	of	IN
39142	2606	9	magnitude	magnitude	NN
39142	2606	10	for	for	IN
39142	2606	11	the	the	DT
39142	2606	12	stars	star	NNS
39142	2606	13	:	:	:
39142	2606	14	the	the	DT
39142	2606	15	apparent	apparent	JJ
39142	2606	16	magnitude	magnitude	NN
39142	2606	17	,	,	,
39142	2606	18	as	as	IN
39142	2606	19	the	the	DT
39142	2606	20	eye	eye	NN
39142	2606	21	sees	see	VBZ
39142	2606	22	it	-PRON-	PRP
39142	2606	23	,	,	,
39142	2606	24	often	often	RB
39142	2606	25	called	call	VBD
39142	2606	26	the	the	DT
39142	2606	27	visual	visual	JJ
39142	2606	28	magnitude	magnitude	NN
39142	2606	29	;	;	:
39142	2606	30	the	the	DT
39142	2606	31	photographic	photographic	JJ
39142	2606	32	magnitude	magnitude	NN
39142	2606	33	,	,	,
39142	2606	34	as	as	IN
39142	2606	35	the	the	DT
39142	2606	36	photographic	photographic	JJ
39142	2606	37	plate	plate	NN
39142	2606	38	records	record	VBZ
39142	2606	39	it	-PRON-	PRP
39142	2606	40	,	,	,
39142	2606	41	and	and	CC
39142	2606	42	these	these	DT
39142	2606	43	are	be	VBP
39142	2606	44	now	now	RB
39142	2606	45	determined	determine	VBN
39142	2606	46	with	with	IN
39142	2606	47	the	the	DT
39142	2606	48	highest	high	JJS
39142	2606	49	accuracy	accuracy	NN
39142	2606	50	;	;	:
39142	2606	51	the	the	DT
39142	2606	52	photovisual	photovisual	JJ
39142	2606	53	magnitude	magnitude	NN
39142	2606	54	,	,	,
39142	2606	55	quite	quite	PDT
39142	2606	56	the	the	DT
39142	2606	57	same	same	JJ
39142	2606	58	as	as	IN
39142	2606	59	the	the	DT
39142	2606	60	visual	visual	JJ
39142	2606	61	,	,	,
39142	2606	62	but	but	CC
39142	2606	63	determined	determine	VBD
39142	2606	64	photographically	photographically	RB
39142	2606	65	on	on	IN
39142	2606	66	an	an	DT
39142	2606	67	isochromatic	isochromatic	JJ
39142	2606	68	plate	plate	NN
39142	2606	69	with	with	IN
39142	2606	70	a	a	DT
39142	2606	71	yellow	yellow	JJ
39142	2606	72	screen	screen	NN
39142	2606	73	or	or	CC
39142	2606	74	filter	filter	NN
39142	2606	75	,	,	,
39142	2606	76	so	so	IN
39142	2606	77	that	that	IN
39142	2606	78	the	the	DT
39142	2606	79	intensity	intensity	NN
39142	2606	80	is	be	VBZ
39142	2606	81	nearly	nearly	RB
39142	2606	82	the	the	DT
39142	2606	83	same	same	JJ
39142	2606	84	as	as	IN
39142	2606	85	it	-PRON-	PRP
39142	2606	86	appears	appear	VBZ
39142	2606	87	to	to	IN
39142	2606	88	the	the	DT
39142	2606	89	eye	eye	NN
39142	2606	90	.	.	.
39142	2607	1	The	the	DT
39142	2607	2	difference	difference	NN
39142	2607	3	between	between	IN
39142	2607	4	the	the	DT
39142	2607	5	star	star	NN
39142	2607	6	's	's	POS
39142	2607	7	visual	visual	JJ
39142	2607	8	or	or	CC
39142	2607	9	photovisual	photovisual	JJ
39142	2607	10	magnitude	magnitude	NN
39142	2607	11	and	and	CC
39142	2607	12	its	-PRON-	PRP$
39142	2607	13	photographic	photographic	JJ
39142	2607	14	magnitude	magnitude	NN
39142	2607	15	is	be	VBZ
39142	2607	16	called	call	VBN
39142	2607	17	its	-PRON-	PRP$
39142	2607	18	color	color	NN
39142	2607	19	-	-	HYPH
39142	2607	20	index	index	NN
39142	2607	21	,	,	,
39142	2607	22	and	and	CC
39142	2607	23	is	be	VBZ
39142	2607	24	often	often	RB
39142	2607	25	used	use	VBN
39142	2607	26	as	as	IN
39142	2607	27	a	a	DT
39142	2607	28	measure	measure	NN
39142	2607	29	of	of	IN
39142	2607	30	the	the	DT
39142	2607	31	star	star	NN
39142	2607	32	's	's	POS
39142	2607	33	color	color	NN
39142	2607	34	.	.	.
39142	2608	1	Light	light	NN
39142	2608	2	of	of	IN
39142	2608	3	the	the	DT
39142	2608	4	shorter	short	JJR
39142	2608	5	wave	wave	NN
39142	2608	6	lengths	length	NNS
39142	2608	7	,	,	,
39142	2608	8	as	as	IN
39142	2608	9	blue	blue	JJ
39142	2608	10	and	and	CC
39142	2608	11	violet	violet	NN
39142	2608	12	,	,	,
39142	2608	13	affects	affect	VBZ
39142	2608	14	the	the	DT
39142	2608	15	photographic	photographic	JJ
39142	2608	16	plate	plate	NN
39142	2608	17	more	more	RBR
39142	2608	18	rapidly	rapidly	RB
39142	2608	19	than	than	IN
39142	2608	20	the	the	DT
39142	2608	21	reds	red	NNS
39142	2608	22	and	and	CC
39142	2608	23	yellows	yellow	NNS
39142	2608	24	of	of	IN
39142	2608	25	longer	long	JJR
39142	2608	26	wave	wave	VBP
39142	2608	27	length	length	NN
39142	2608	28	by	by	IN
39142	2608	29	which	which	WDT
39142	2608	30	the	the	DT
39142	2608	31	eye	eye	NN
39142	2608	32	mainly	mainly	RB
39142	2608	33	sees	see	VBZ
39142	2608	34	;	;	:
39142	2608	35	so	so	CC
39142	2608	36	that	that	IN
39142	2608	37	red	red	JJ
39142	2608	38	stars	star	NNS
39142	2608	39	will	will	MD
39142	2608	40	appear	appear	VB
39142	2608	41	much	much	JJ
39142	2608	42	fainter	fainter	NN
39142	2608	43	and	and	CC
39142	2608	44	blue	blue	JJ
39142	2608	45	stars	star	NNS
39142	2608	46	much	much	RB
39142	2608	47	brighter	bright	JJR
39142	2608	48	on	on	IN
39142	2608	49	the	the	DT
39142	2608	50	ordinary	ordinary	JJ
39142	2608	51	photographic	photographic	JJ
39142	2608	52	plate	plate	NN
39142	2608	53	than	than	IN
39142	2608	54	the	the	DT
39142	2608	55	eye	eye	NN
39142	2608	56	sees	see	VBZ
39142	2608	57	them	-PRON-	PRP
39142	2608	58	.	.	.
39142	2609	1	So	so	RB
39142	2609	2	great	great	JJ
39142	2609	3	are	be	VBP
39142	2609	4	the	the	DT
39142	2609	5	differences	difference	NNS
39142	2609	6	of	of	IN
39142	2609	7	color	color	NN
39142	2609	8	in	in	IN
39142	2609	9	the	the	DT
39142	2609	10	stars	star	NNS
39142	2609	11	that	that	WDT
39142	2609	12	well	well	RB
39142	2609	13	-	-	HYPH
39142	2609	14	known	know	VBN
39142	2609	15	asterisms	asterism	NNS
39142	2609	16	,	,	,
39142	2609	17	with	with	IN
39142	2609	18	which	which	WDT
39142	2609	19	the	the	DT
39142	2609	20	eye	eye	NN
39142	2609	21	is	be	VBZ
39142	2609	22	perfectly	perfectly	RB
39142	2609	23	familiar	familiar	JJ
39142	2609	24	,	,	,
39142	2609	25	are	be	VBP
39142	2609	26	sometimes	sometimes	RB
39142	2609	27	quite	quite	RB
39142	2609	28	unrecognizable	unrecognizable	JJ
39142	2609	29	on	on	IN
39142	2609	30	the	the	DT
39142	2609	31	photographic	photographic	JJ
39142	2609	32	plate	plate	NN
39142	2609	33	,	,	,
39142	2609	34	except	except	IN
39142	2609	35	by	by	IN
39142	2609	36	relative	relative	JJ
39142	2609	37	positions	position	NNS
39142	2609	38	of	of	IN
39142	2609	39	the	the	DT
39142	2609	40	stars	star	NNS
39142	2609	41	composing	compose	VBG
39142	2609	42	them	-PRON-	PRP
39142	2609	43	.	.	.
39142	2610	1	White	white	JJ
39142	2610	2	stars	star	NNS
39142	2610	3	affect	affect	VBP
39142	2610	4	the	the	DT
39142	2610	5	eye	eye	NN
39142	2610	6	and	and	CC
39142	2610	7	the	the	DT
39142	2610	8	plate	plate	NN
39142	2610	9	about	about	IN
39142	2610	10	equally	equally	RB
39142	2610	11	,	,	,
39142	2610	12	so	so	IN
39142	2610	13	that	that	IN
39142	2610	14	their	-PRON-	PRP$
39142	2610	15	visual	visual	JJ
39142	2610	16	or	or	CC
39142	2610	17	photovisual	photovisual	JJ
39142	2610	18	and	and	CC
39142	2610	19	photographic	photographic	JJ
39142	2610	20	magnitudes	magnitude	NNS
39142	2610	21	are	be	VBP
39142	2610	22	about	about	RB
39142	2610	23	equal	equal	JJ
39142	2610	24	.	.	.
39142	2611	1	The	the	DT
39142	2611	2	studies	study	NNS
39142	2611	3	of	of	IN
39142	2611	4	the	the	DT
39142	2611	5	colors	color	NNS
39142	2611	6	of	of	IN
39142	2611	7	the	the	DT
39142	2611	8	stars	star	NNS
39142	2611	9	,	,	,
39142	2611	10	the	the	DT
39142	2611	11	different	different	JJ
39142	2611	12	methods	method	NNS
39142	2611	13	of	of	IN
39142	2611	14	determining	determine	VBG
39142	2611	15	them	-PRON-	PRP
39142	2611	16	,	,	,
39142	2611	17	and	and	CC
39142	2611	18	the	the	DT
39142	2611	19	relations	relation	NNS
39142	2611	20	of	of	IN
39142	2611	21	color	color	NN
39142	2611	22	to	to	IN
39142	2611	23	constitution	constitution	NN
39142	2611	24	have	have	VBP
39142	2611	25	been	be	VBN
39142	2611	26	made	make	VBN
39142	2611	27	the	the	DT
39142	2611	28	subject	subject	NN
39142	2611	29	of	of	IN
39142	2611	30	especial	especial	JJ
39142	2611	31	investigation	investigation	NN
39142	2611	32	by	by	IN
39142	2611	33	Seares	Seares	NNP
39142	2611	34	of	of	IN
39142	2611	35	Mount	Mount	NNP
39142	2611	36	Wilson	Wilson	NNP
39142	2611	37	and	and	CC
39142	2611	38	many	many	JJ
39142	2611	39	other	other	JJ
39142	2611	40	astronomers	astronomer	NNS
39142	2611	41	.	.	.
39142	2612	1	Centuries	century	NNS
39142	2612	2	of	of	IN
39142	2612	3	the	the	DT
39142	2612	4	work	work	NN
39142	2612	5	of	of	IN
39142	2612	6	astronomers	astronomer	NNS
39142	2612	7	have	have	VBP
39142	2612	8	been	be	VBN
39142	2612	9	faithfully	faithfully	RB
39142	2612	10	devoted	devote	VBN
39142	2612	11	to	to	IN
39142	2612	12	mapping	map	VBG
39142	2612	13	or	or	CC
39142	2612	14	charting	chart	VBG
39142	2612	15	the	the	DT
39142	2612	16	stars	star	NNS
39142	2612	17	and	and	CC
39142	2612	18	cataloguing	catalogue	VBG
39142	2612	19	them	-PRON-	PRP
39142	2612	20	.	.	.
39142	2613	1	Just	just	RB
39142	2613	2	as	as	IN
39142	2613	3	we	-PRON-	PRP
39142	2613	4	have	have	VBP
39142	2613	5	geographical	geographical	JJ
39142	2613	6	maps	map	NNS
39142	2613	7	of	of	IN
39142	2613	8	countries	country	NNS
39142	2613	9	,	,	,
39142	2613	10	so	so	CC
39142	2613	11	the	the	DT
39142	2613	12	heavens	heaven	NNS
39142	2613	13	are	be	VBP
39142	2613	14	parceled	parcel	VBN
39142	2613	15	out	out	RP
39142	2613	16	in	in	IN
39142	2613	17	sections	section	NNS
39142	2613	18	,	,	,
39142	2613	19	and	and	CC
39142	2613	20	the	the	DT
39142	2613	21	stars	star	NNS
39142	2613	22	set	set	VBN
39142	2613	23	down	down	RP
39142	2613	24	in	in	IN
39142	2613	25	their	-PRON-	PRP$
39142	2613	26	true	true	JJ
39142	2613	27	relative	relative	JJ
39142	2613	28	positions	position	NNS
39142	2613	29	just	just	RB
39142	2613	30	as	as	IN
39142	2613	31	cities	city	NNS
39142	2613	32	are	be	VBP
39142	2613	33	on	on	IN
39142	2613	34	the	the	DT
39142	2613	35	map	map	NN
39142	2613	36	.	.	.
39142	2614	1	Recent	recent	JJ
39142	2614	2	years	year	NNS
39142	2614	3	have	have	VBP
39142	2614	4	added	add	VBN
39142	2614	5	photographic	photographic	JJ
39142	2614	6	charts	chart	NNS
39142	2614	7	,	,	,
39142	2614	8	especially	especially	RB
39142	2614	9	of	of	IN
39142	2614	10	detailed	detailed	JJ
39142	2614	11	regions	region	NNS
39142	2614	12	of	of	IN
39142	2614	13	the	the	DT
39142	2614	14	sky	sky	NN
39142	2614	15	;	;	:
39142	2614	16	but	but	CC
39142	2614	17	owing	owe	VBG
39142	2614	18	to	to	IN
39142	2614	19	spectral	spectral	JJ
39142	2614	20	differences	difference	NNS
39142	2614	21	of	of	IN
39142	2614	22	the	the	DT
39142	2614	23	stars	star	NNS
39142	2614	24	,	,	,
39142	2614	25	their	-PRON-	PRP$
39142	2614	26	photographic	photographic	JJ
39142	2614	27	magnitudes	magnitude	NNS
39142	2614	28	are	be	VBP
39142	2614	29	often	often	RB
39142	2614	30	quite	quite	RB
39142	2614	31	different	different	JJ
39142	2614	32	from	from	IN
39142	2614	33	their	-PRON-	PRP$
39142	2614	34	visual	visual	JJ
39142	2614	35	magnitudes	magnitude	NNS
39142	2614	36	.	.	.
39142	2615	1	From	from	IN
39142	2615	2	these	these	DT
39142	2615	3	maps	map	NNS
39142	2615	4	and	and	CC
39142	2615	5	charts	chart	VBZ
39142	2615	6	the	the	DT
39142	2615	7	positions	position	NNS
39142	2615	8	of	of	IN
39142	2615	9	the	the	DT
39142	2615	10	stars	star	NNS
39142	2615	11	can	can	MD
39142	2615	12	be	be	VB
39142	2615	13	found	find	VBN
39142	2615	14	with	with	IN
39142	2615	15	much	much	JJ
39142	2615	16	precision	precision	NN
39142	2615	17	;	;	:
39142	2615	18	but	but	CC
39142	2615	19	if	if	IN
39142	2615	20	we	-PRON-	PRP
39142	2615	21	want	want	VBP
39142	2615	22	the	the	DT
39142	2615	23	utmost	utmost	JJ
39142	2615	24	accuracy	accuracy	NN
39142	2615	25	,	,	,
39142	2615	26	we	-PRON-	PRP
39142	2615	27	must	must	MD
39142	2615	28	go	go	VB
39142	2615	29	to	to	IN
39142	2615	30	the	the	DT
39142	2615	31	star	star	NN
39142	2615	32	catalogues	catalogue	NNS
39142	2615	33	--	--	:
39142	2615	34	huge	huge	JJ
39142	2615	35	volumes	volume	NNS
39142	2615	36	oftentimes	oftentime	NNS
39142	2615	37	,	,	,
39142	2615	38	with	with	IN
39142	2615	39	stellar	stellar	JJ
39142	2615	40	positions	position	NNS
39142	2615	41	set	set	VBD
39142	2615	42	down	down	RP
39142	2615	43	therein	therein	RB
39142	2615	44	with	with	IN
39142	2615	45	the	the	DT
39142	2615	46	last	last	JJ
39142	2615	47	degree	degree	NN
39142	2615	48	of	of	IN
39142	2615	49	precision	precision	NN
39142	2615	50	.	.	.
39142	2616	1	First	first	RB
39142	2616	2	there	there	EX
39142	2616	3	will	will	MD
39142	2616	4	be	be	VB
39142	2616	5	the	the	DT
39142	2616	6	star	star	NN
39142	2616	7	's	's	POS
39142	2616	8	name	name	NN
39142	2616	9	,	,	,
39142	2616	10	and	and	CC
39142	2616	11	in	in	IN
39142	2616	12	the	the	DT
39142	2616	13	next	next	JJ
39142	2616	14	column	column	NN
39142	2616	15	its	-PRON-	PRP$
39142	2616	16	magnitude	magnitude	NN
39142	2616	17	,	,	,
39142	2616	18	and	and	CC
39142	2616	19	in	in	IN
39142	2616	20	a	a	DT
39142	2616	21	third	third	JJ
39142	2616	22	the	the	DT
39142	2616	23	star	star	NN
39142	2616	24	's	's	POS
39142	2616	25	right	right	JJ
39142	2616	26	ascension	ascension	NN
39142	2616	27	.	.	.
39142	2617	1	This	this	DT
39142	2617	2	is	be	VBZ
39142	2617	3	its	-PRON-	PRP$
39142	2617	4	angular	angular	JJ
39142	2617	5	distance	distance	NN
39142	2617	6	eastward	eastward	RB
39142	2617	7	around	around	IN
39142	2617	8	the	the	DT
39142	2617	9	celestial	celestial	JJ
39142	2617	10	sphere	sphere	NN
39142	2617	11	starting	start	VBG
39142	2617	12	from	from	IN
39142	2617	13	the	the	DT
39142	2617	14	vernal	vernal	JJ
39142	2617	15	equinox	equinox	NN
39142	2617	16	,	,	,
39142	2617	17	and	and	CC
39142	2617	18	it	-PRON-	PRP
39142	2617	19	corresponds	correspond	VBZ
39142	2617	20	quite	quite	RB
39142	2617	21	closely	closely	RB
39142	2617	22	to	to	IN
39142	2617	23	the	the	DT
39142	2617	24	longitude	longitude	NN
39142	2617	25	of	of	IN
39142	2617	26	a	a	DT
39142	2617	27	place	place	NN
39142	2617	28	which	which	WDT
39142	2617	29	we	-PRON-	PRP
39142	2617	30	should	should	MD
39142	2617	31	get	get	VB
39142	2617	32	from	from	IN
39142	2617	33	a	a	DT
39142	2617	34	gazetteer	gazetteer	NN
39142	2617	35	,	,	,
39142	2617	36	if	if	IN
39142	2617	37	we	-PRON-	PRP
39142	2617	38	wished	wish	VBD
39142	2617	39	to	to	TO
39142	2617	40	locate	locate	VB
39142	2617	41	it	-PRON-	PRP
39142	2617	42	on	on	IN
39142	2617	43	the	the	DT
39142	2617	44	earth	earth	NN
39142	2617	45	.	.	.
39142	2618	1	Then	then	RB
39142	2618	2	another	another	DT
39142	2618	3	column	column	NN
39142	2618	4	of	of	IN
39142	2618	5	the	the	DT
39142	2618	6	catalogue	catalogue	NN
39142	2618	7	will	will	MD
39142	2618	8	give	give	VB
39142	2618	9	the	the	DT
39142	2618	10	star	star	NN
39142	2618	11	's	's	POS
39142	2618	12	declination	declination	NN
39142	2618	13	,	,	,
39142	2618	14	north	north	NN
39142	2618	15	or	or	CC
39142	2618	16	south	south	RB
39142	2618	17	of	of	IN
39142	2618	18	the	the	DT
39142	2618	19	equator	equator	NN
39142	2618	20	,	,	,
39142	2618	21	just	just	RB
39142	2618	22	as	as	IN
39142	2618	23	the	the	DT
39142	2618	24	gazetteer	gazetteer	NN
39142	2618	25	will	will	MD
39142	2618	26	locate	locate	VB
39142	2618	27	a	a	DT
39142	2618	28	city	city	NN
39142	2618	29	by	by	IN
39142	2618	30	its	-PRON-	PRP$
39142	2618	31	north	north	NN
39142	2618	32	or	or	CC
39142	2618	33	south	south	JJ
39142	2618	34	latitude	latitude	NN
39142	2618	35	.	.	.
39142	2619	1	CHAPTER	CHAPTER	NNP
39142	2619	2	XLV	XLV	NNP
39142	2619	3	STAR	STAR	NNP
39142	2619	4	CHARTS	charts	NN
39142	2619	5	AND	and	CC
39142	2619	6	CATALOGUES	catalogues	NN
39142	2619	7	Who	who	WP
39142	2619	8	made	make	VBD
39142	2619	9	the	the	DT
39142	2619	10	first	first	JJ
39142	2619	11	star	star	NN
39142	2619	12	chart	chart	NN
39142	2619	13	or	or	CC
39142	2619	14	catalogue	catalogue	NN
39142	2619	15	?	?	.
39142	2620	1	There	there	EX
39142	2620	2	is	be	VBZ
39142	2620	3	little	little	JJ
39142	2620	4	doubt	doubt	NN
39142	2620	5	that	that	IN
39142	2620	6	Eudoxus	Eudoxus	NNP
39142	2620	7	(	(	-LRB-
39142	2620	8	B.	B.	NNP
39142	2620	9	C.	C.	NNP
39142	2620	10	200	200	CD
39142	2620	11	)	)	-RRB-
39142	2620	12	was	be	VBD
39142	2620	13	the	the	DT
39142	2620	14	first	first	JJ
39142	2620	15	to	to	TO
39142	2620	16	set	set	VB
39142	2620	17	down	down	RP
39142	2620	18	the	the	DT
39142	2620	19	positions	position	NNS
39142	2620	20	of	of	IN
39142	2620	21	all	all	PDT
39142	2620	22	the	the	DT
39142	2620	23	brighter	bright	JJR
39142	2620	24	stars	star	NNS
39142	2620	25	on	on	IN
39142	2620	26	a	a	DT
39142	2620	27	celestial	celestial	JJ
39142	2620	28	globe	globe	NN
39142	2620	29	,	,	,
39142	2620	30	and	and	CC
39142	2620	31	he	-PRON-	PRP
39142	2620	32	did	do	VBD
39142	2620	33	this	this	DT
39142	2620	34	from	from	IN
39142	2620	35	observations	observation	NNS
39142	2620	36	with	with	IN
39142	2620	37	a	a	DT
39142	2620	38	gnomon	gnomon	NN
39142	2620	39	and	and	CC
39142	2620	40	an	an	DT
39142	2620	41	armillary	armillary	JJ
39142	2620	42	sphere	sphere	NN
39142	2620	43	.	.	.
39142	2621	1	Later	later	RB
39142	2621	2	Hipparchus	Hipparchus	NNP
39142	2621	3	(	(	-LRB-
39142	2621	4	B.	B.	NNP
39142	2621	5	C.	C.	NNP
39142	2621	6	130	130	CD
39142	2621	7	)	)	-RRB-
39142	2621	8	constructed	construct	VBD
39142	2621	9	the	the	DT
39142	2621	10	first	first	JJ
39142	2621	11	known	know	VBN
39142	2621	12	catalogue	catalogue	NN
39142	2621	13	of	of	IN
39142	2621	14	stars	star	NNS
39142	2621	15	,	,	,
39142	2621	16	so	so	IN
39142	2621	17	that	that	IN
39142	2621	18	astronomers	astronomer	NNS
39142	2621	19	of	of	IN
39142	2621	20	a	a	DT
39142	2621	21	later	later	JJ
39142	2621	22	day	day	NN
39142	2621	23	might	may	MD
39142	2621	24	discover	discover	VB
39142	2621	25	what	what	WP
39142	2621	26	changes	change	NNS
39142	2621	27	are	be	VBP
39142	2621	28	in	in	IN
39142	2621	29	progress	progress	NN
39142	2621	30	among	among	IN
39142	2621	31	the	the	DT
39142	2621	32	stars	star	NNS
39142	2621	33	,	,	,
39142	2621	34	either	either	CC
39142	2621	35	in	in	IN
39142	2621	36	their	-PRON-	PRP$
39142	2621	37	relative	relative	JJ
39142	2621	38	positions	position	NNS
39142	2621	39	or	or	CC
39142	2621	40	caused	cause	VBN
39142	2621	41	by	by	IN
39142	2621	42	old	old	JJ
39142	2621	43	stars	star	NNS
39142	2621	44	disappearing	disappear	VBG
39142	2621	45	or	or	CC
39142	2621	46	new	new	JJ
39142	2621	47	stars	star	NNS
39142	2621	48	appearing	appear	VBG
39142	2621	49	at	at	IN
39142	2621	50	times	time	NNS
39142	2621	51	in	in	IN
39142	2621	52	the	the	DT
39142	2621	53	heavens	heavens	NNPS
39142	2621	54	.	.	.
39142	2622	1	Hipparchus	Hipparchus	NNP
39142	2622	2	was	be	VBD
39142	2622	3	an	an	DT
39142	2622	4	accurate	accurate	JJ
39142	2622	5	observer	observer	NN
39142	2622	6	,	,	,
39142	2622	7	and	and	CC
39142	2622	8	he	-PRON-	PRP
39142	2622	9	discovered	discover	VBD
39142	2622	10	an	an	DT
39142	2622	11	apparent	apparent	JJ
39142	2622	12	and	and	CC
39142	2622	13	perpetual	perpetual	JJ
39142	2622	14	shifting	shifting	NN
39142	2622	15	of	of	IN
39142	2622	16	the	the	DT
39142	2622	17	vernal	vernal	JJ
39142	2622	18	equinox	equinox	JJ
39142	2622	19	westward	westward	NN
39142	2622	20	,	,	,
39142	2622	21	by	by	IN
39142	2622	22	which	which	WDT
39142	2622	23	the	the	DT
39142	2622	24	right	right	JJ
39142	2622	25	ascensions	ascension	NNS
39142	2622	26	of	of	IN
39142	2622	27	the	the	DT
39142	2622	28	stars	star	NNS
39142	2622	29	are	be	VBP
39142	2622	30	all	all	PDT
39142	2622	31	the	the	DT
39142	2622	32	time	time	NN
39142	2622	33	increasing	increase	VBG
39142	2622	34	.	.	.
39142	2623	1	He	-PRON-	PRP
39142	2623	2	determined	determine	VBD
39142	2623	3	the	the	DT
39142	2623	4	amount	amount	NN
39142	2623	5	of	of	IN
39142	2623	6	it	-PRON-	PRP
39142	2623	7	pretty	pretty	RB
39142	2623	8	accurately	accurately	RB
39142	2623	9	,	,	,
39142	2623	10	too	too	RB
39142	2623	11	.	.	.
39142	2624	1	His	-PRON-	PRP$
39142	2624	2	catalogue	catalogue	NN
39142	2624	3	contained	contain	VBD
39142	2624	4	1,080	1,080	CD
39142	2624	5	stars	star	NNS
39142	2624	6	,	,	,
39142	2624	7	and	and	CC
39142	2624	8	is	be	VBZ
39142	2624	9	printed	print	VBN
39142	2624	10	in	in	IN
39142	2624	11	the	the	DT
39142	2624	12	"	"	``
39142	2624	13	Almagest	Almagest	NNP
39142	2624	14	"	"	''
39142	2624	15	of	of	IN
39142	2624	16	Ptolemy	Ptolemy	NNP
39142	2624	17	.	.	.
39142	2625	1	Centuries	century	NNS
39142	2625	2	elapsed	elapse	VBD
39142	2625	3	before	before	IN
39142	2625	4	a	a	DT
39142	2625	5	second	second	JJ
39142	2625	6	star	star	NN
39142	2625	7	catalogue	catalogue	NN
39142	2625	8	was	be	VBD
39142	2625	9	made	make	VBN
39142	2625	10	,	,	,
39142	2625	11	by	by	IN
39142	2625	12	Ulugh	Ulugh	NNP
39142	2625	13	-	-	HYPH
39142	2625	14	Beg	Beg	NNP
39142	2625	15	,	,	,
39142	2625	16	an	an	DT
39142	2625	17	Arabian	arabian	JJ
39142	2625	18	astronomer	astronomer	NN
39142	2625	19	,	,	,
39142	2625	20	A.	A.	NNP
39142	2625	21	D.	D.	NNP
39142	2625	22	1420	1420	CD
39142	2625	23	,	,	,
39142	2625	24	who	who	WP
39142	2625	25	was	be	VBD
39142	2625	26	a	a	DT
39142	2625	27	son	son	NN
39142	2625	28	of	of	IN
39142	2625	29	Tamerlane	Tamerlane	NNP
39142	2625	30	,	,	,
39142	2625	31	the	the	DT
39142	2625	32	Tartar	Tartar	NNP
39142	2625	33	monarch	monarch	NN
39142	2625	34	of	of	IN
39142	2625	35	Samarcand	Samarcand	NNP
39142	2625	36	,	,	,
39142	2625	37	where	where	WRB
39142	2625	38	the	the	DT
39142	2625	39	observations	observation	NNS
39142	2625	40	for	for	IN
39142	2625	41	the	the	DT
39142	2625	42	catalogue	catalogue	NN
39142	2625	43	were	be	VBD
39142	2625	44	made	make	VBN
39142	2625	45	.	.	.
39142	2626	1	The	the	DT
39142	2626	2	stars	star	NNS
39142	2626	3	were	be	VBD
39142	2626	4	mainly	mainly	RB
39142	2626	5	those	those	DT
39142	2626	6	of	of	IN
39142	2626	7	Ptolemy	Ptolemy	NNP
39142	2626	8	,	,	,
39142	2626	9	and	and	CC
39142	2626	10	much	much	RB
39142	2626	11	the	the	DT
39142	2626	12	same	same	JJ
39142	2626	13	stars	star	NNS
39142	2626	14	were	be	VBD
39142	2626	15	reobserved	reobserve	VBN
39142	2626	16	by	by	IN
39142	2626	17	Tycho	Tycho	NNP
39142	2626	18	Brahe	Brahe	NNP
39142	2626	19	(	(	-LRB-
39142	2626	20	A.	A.	NNP
39142	2626	21	D.	D.	NNP
39142	2626	22	1580	1580	CD
39142	2626	23	)	)	-RRB-
39142	2626	24	with	with	IN
39142	2626	25	his	-PRON-	PRP$
39142	2626	26	greatly	greatly	RB
39142	2626	27	improved	improved	JJ
39142	2626	28	instruments	instrument	NNS
39142	2626	29	,	,	,
39142	2626	30	thus	thus	RB
39142	2626	31	forming	form	VBG
39142	2626	32	the	the	DT
39142	2626	33	third	third	JJ
39142	2626	34	and	and	CC
39142	2626	35	last	last	JJ
39142	2626	36	star	star	NN
39142	2626	37	catalogue	catalogue	NN
39142	2626	38	of	of	IN
39142	2626	39	importance	importance	NN
39142	2626	40	before	before	IN
39142	2626	41	the	the	DT
39142	2626	42	invention	invention	NN
39142	2626	43	of	of	IN
39142	2626	44	the	the	DT
39142	2626	45	telescope	telescope	NN
39142	2626	46	.	.	.
39142	2627	1	From	from	IN
39142	2627	2	the	the	DT
39142	2627	3	end	end	NN
39142	2627	4	of	of	IN
39142	2627	5	the	the	DT
39142	2627	6	seventeenth	seventeenth	JJ
39142	2627	7	century	century	NN
39142	2627	8	onward	onward	RB
39142	2627	9	,	,	,
39142	2627	10	the	the	DT
39142	2627	11	application	application	NN
39142	2627	12	of	of	IN
39142	2627	13	the	the	DT
39142	2627	14	telescope	telescope	NN
39142	2627	15	to	to	IN
39142	2627	16	all	all	PDT
39142	2627	17	the	the	DT
39142	2627	18	types	type	NNS
39142	2627	19	of	of	IN
39142	2627	20	instruments	instrument	NNS
39142	2627	21	for	for	IN
39142	2627	22	making	make	VBG
39142	2627	23	observations	observation	NNS
39142	2627	24	of	of	IN
39142	2627	25	star	star	NN
39142	2627	26	places	place	NNS
39142	2627	27	has	have	VBZ
39142	2627	28	increased	increase	VBN
39142	2627	29	the	the	DT
39142	2627	30	accuracy	accuracy	NN
39142	2627	31	many	many	JJ
39142	2627	32	-	-	HYPH
39142	2627	33	fold	fold	JJ
39142	2627	34	.	.	.
39142	2628	1	The	the	DT
39142	2628	2	entire	entire	JJ
39142	2628	3	heavens	heaven	NNS
39142	2628	4	has	have	VBZ
39142	2628	5	been	be	VBN
39142	2628	6	covered	cover	VBN
39142	2628	7	by	by	IN
39142	2628	8	Argelander	Argelander	NNP
39142	2628	9	in	in	IN
39142	2628	10	the	the	DT
39142	2628	11	northern	northern	JJ
39142	2628	12	hemisphere	hemisphere	NN
39142	2628	13	,	,	,
39142	2628	14	and	and	CC
39142	2628	15	Gould	Gould	NNP
39142	2628	16	in	in	IN
39142	2628	17	the	the	DT
39142	2628	18	southern	southern	JJ
39142	2628	19	--	--	:
39142	2628	20	over	over	IN
39142	2628	21	700,000	700,000	CD
39142	2628	22	stars	star	NNS
39142	2628	23	in	in	IN
39142	2628	24	all	all	DT
39142	2628	25	.	.	.
39142	2629	1	Many	many	JJ
39142	2629	2	government	government	NN
39142	2629	3	observatories	observatory	NNS
39142	2629	4	are	be	VBP
39142	2629	5	still	still	RB
39142	2629	6	at	at	IN
39142	2629	7	work	work	NN
39142	2629	8	cataloguing	catalogue	VBG
39142	2629	9	the	the	DT
39142	2629	10	stars	star	NNS
39142	2629	11	.	.	.
39142	2630	1	The	the	DT
39142	2630	2	Carnegie	Carnegie	NNP
39142	2630	3	Institution	Institution	NNP
39142	2630	4	of	of	IN
39142	2630	5	Washington	Washington	NNP
39142	2630	6	maintains	maintain	VBZ
39142	2630	7	a	a	DT
39142	2630	8	department	department	NN
39142	2630	9	of	of	IN
39142	2630	10	astrometry	astrometry	NN
39142	2630	11	under	under	IN
39142	2630	12	Boss	Boss	NNP
39142	2630	13	of	of	IN
39142	2630	14	Albany	Albany	NNP
39142	2630	15	,	,	,
39142	2630	16	which	which	WDT
39142	2630	17	has	have	VBZ
39142	2630	18	already	already	RB
39142	2630	19	issued	issue	VBN
39142	2630	20	a	a	DT
39142	2630	21	preliminary	preliminary	JJ
39142	2630	22	catalogue	catalogue	NN
39142	2630	23	of	of	IN
39142	2630	24	more	more	JJR
39142	2630	25	than	than	IN
39142	2630	26	6,000	6,000	CD
39142	2630	27	stars	star	NNS
39142	2630	28	,	,	,
39142	2630	29	and	and	CC
39142	2630	30	has	have	VBZ
39142	2630	31	a	a	DT
39142	2630	32	great	great	JJ
39142	2630	33	general	general	JJ
39142	2630	34	catalogue	catalogue	NN
39142	2630	35	in	in	IN
39142	2630	36	progress	progress	NN
39142	2630	37	,	,	,
39142	2630	38	together	together	RB
39142	2630	39	with	with	IN
39142	2630	40	investigations	investigation	NNS
39142	2630	41	of	of	IN
39142	2630	42	stellar	stellar	JJ
39142	2630	43	motions	motion	NNS
39142	2630	44	and	and	CC
39142	2630	45	parallaxes	parallax	NNS
39142	2630	46	.	.	.
39142	2631	1	This	this	DT
39142	2631	2	catalogue	catalogue	NN
39142	2631	3	of	of	IN
39142	2631	4	star	star	NN
39142	2631	5	positions	position	NNS
39142	2631	6	will	will	MD
39142	2631	7	include	include	VB
39142	2631	8	proper	proper	JJ
39142	2631	9	motions	motion	NNS
39142	2631	10	of	of	IN
39142	2631	11	stars	star	NNS
39142	2631	12	to	to	IN
39142	2631	13	the	the	DT
39142	2631	14	seventh	seventh	JJ
39142	2631	15	magnitude	magnitude	NN
39142	2631	16	.	.	.
39142	2632	1	In	in	IN
39142	2632	2	1887	1887	CD
39142	2632	3	on	on	IN
39142	2632	4	proposal	proposal	NN
39142	2632	5	of	of	IN
39142	2632	6	the	the	DT
39142	2632	7	late	late	JJ
39142	2632	8	Sir	Sir	NNP
39142	2632	9	David	David	NNP
39142	2632	10	Gill	Gill	NNP
39142	2632	11	,	,	,
39142	2632	12	an	an	DT
39142	2632	13	international	international	JJ
39142	2632	14	congress	congress	NN
39142	2632	15	of	of	IN
39142	2632	16	astronomers	astronomer	NNS
39142	2632	17	met	meet	VBD
39142	2632	18	at	at	IN
39142	2632	19	Paris	Paris	NNP
39142	2632	20	and	and	CC
39142	2632	21	arranged	arrange	VBD
39142	2632	22	for	for	IN
39142	2632	23	the	the	DT
39142	2632	24	construction	construction	NN
39142	2632	25	of	of	IN
39142	2632	26	a	a	DT
39142	2632	27	photographic	photographic	JJ
39142	2632	28	chart	chart	NN
39142	2632	29	of	of	IN
39142	2632	30	the	the	DT
39142	2632	31	entire	entire	JJ
39142	2632	32	heavens	heaven	NNS
39142	2632	33	,	,	,
39142	2632	34	allotting	allot	VBG
39142	2632	35	the	the	DT
39142	2632	36	work	work	NN
39142	2632	37	to	to	IN
39142	2632	38	eighteen	eighteen	CD
39142	2632	39	observatories	observatory	NNS
39142	2632	40	,	,	,
39142	2632	41	equipped	equip	VBN
39142	2632	42	with	with	IN
39142	2632	43	photographic	photographic	JJ
39142	2632	44	telescopes	telescope	NNS
39142	2632	45	essentially	essentially	RB
39142	2632	46	alike	alike	RB
39142	2632	47	.	.	.
39142	2633	1	The	the	DT
39142	2633	2	total	total	JJ
39142	2633	3	number	number	NN
39142	2633	4	of	of	IN
39142	2633	5	plates	plate	NNS
39142	2633	6	exceeds	exceed	VBZ
39142	2633	7	25,000	25,000	CD
39142	2633	8	.	.	.
39142	2634	1	Stars	star	NNS
39142	2634	2	of	of	IN
39142	2634	3	the	the	DT
39142	2634	4	fourteenth	fourteenth	JJ
39142	2634	5	magnitude	magnitude	NN
39142	2634	6	are	be	VBP
39142	2634	7	recorded	record	VBN
39142	2634	8	,	,	,
39142	2634	9	but	but	CC
39142	2634	10	only	only	RB
39142	2634	11	those	those	DT
39142	2634	12	including	include	VBG
39142	2634	13	the	the	DT
39142	2634	14	eleventh	eleventh	JJ
39142	2634	15	magnitude	magnitude	NN
39142	2634	16	will	will	MD
39142	2634	17	be	be	VB
39142	2634	18	catalogued	catalogue	VBN
39142	2634	19	,	,	,
39142	2634	20	perhaps	perhaps	RB
39142	2634	21	2,000,000	2,000,000	CD
39142	2634	22	in	in	IN
39142	2634	23	all	all	DT
39142	2634	24	.	.	.
39142	2635	1	The	the	DT
39142	2635	2	expense	expense	NN
39142	2635	3	of	of	IN
39142	2635	4	this	this	DT
39142	2635	5	comprehensive	comprehensive	JJ
39142	2635	6	map	map	NN
39142	2635	7	of	of	IN
39142	2635	8	the	the	DT
39142	2635	9	stars	star	NNS
39142	2635	10	has	have	VBZ
39142	2635	11	already	already	RB
39142	2635	12	exceeded	exceed	VBN
39142	2635	13	$	$	$
39142	2635	14	2,000,000	2,000,000	CD
39142	2635	15	,	,	,
39142	2635	16	and	and	CC
39142	2635	17	the	the	DT
39142	2635	18	work	work	NN
39142	2635	19	is	be	VBZ
39142	2635	20	now	now	RB
39142	2635	21	nearly	nearly	RB
39142	2635	22	complete	complete	JJ
39142	2635	23	.	.	.
39142	2636	1	Turner	Turner	NNP
39142	2636	2	of	of	IN
39142	2636	3	Oxford	Oxford	NNP
39142	2636	4	has	have	VBZ
39142	2636	5	conducted	conduct	VBN
39142	2636	6	many	many	JJ
39142	2636	7	special	special	JJ
39142	2636	8	investigations	investigation	NNS
39142	2636	9	that	that	WDT
39142	2636	10	have	have	VBP
39142	2636	11	greatly	greatly	RB
39142	2636	12	enhanced	enhance	VBN
39142	2636	13	the	the	DT
39142	2636	14	progress	progress	NN
39142	2636	15	of	of	IN
39142	2636	16	this	this	DT
39142	2636	17	international	international	JJ
39142	2636	18	enterprise	enterprise	NN
39142	2636	19	.	.	.
39142	2637	1	Other	other	JJ
39142	2637	2	great	great	JJ
39142	2637	3	photographic	photographic	JJ
39142	2637	4	star	star	NN
39142	2637	5	charts	chart	NNS
39142	2637	6	have	have	VBP
39142	2637	7	been	be	VBN
39142	2637	8	carried	carry	VBN
39142	2637	9	through	through	RP
39142	2637	10	by	by	IN
39142	2637	11	the	the	DT
39142	2637	12	Harvard	Harvard	NNP
39142	2637	13	Observatory	Observatory	NNP
39142	2637	14	,	,	,
39142	2637	15	with	with	IN
39142	2637	16	the	the	DT
39142	2637	17	annex	annex	NN
39142	2637	18	at	at	IN
39142	2637	19	Arequipa	Arequipa	NNP
39142	2637	20	,	,	,
39142	2637	21	Peru	Peru	NNP
39142	2637	22	,	,	,
39142	2637	23	employing	employ	VBG
39142	2637	24	the	the	DT
39142	2637	25	Bruce	Bruce	NNP
39142	2637	26	photographic	photographic	JJ
39142	2637	27	telescope	telescope	NN
39142	2637	28	,	,	,
39142	2637	29	a	a	DT
39142	2637	30	doublet	doublet	NN
39142	2637	31	with	with	IN
39142	2637	32	24-inch	24-inch	CD
39142	2637	33	lenses	lense	NNS
39142	2637	34	;	;	:
39142	2637	35	also	also	RB
39142	2637	36	Kapteyn	Kapteyn	NNP
39142	2637	37	of	of	IN
39142	2637	38	Groningen	Groningen	NNP
39142	2637	39	has	have	VBZ
39142	2637	40	catalogued	catalogue	VBN
39142	2637	41	about	about	IN
39142	2637	42	300,000	300,000	CD
39142	2637	43	stars	star	NNS
39142	2637	44	on	on	IN
39142	2637	45	plates	plate	NNS
39142	2637	46	taken	take	VBN
39142	2637	47	at	at	IN
39142	2637	48	Cape	Cape	NNP
39142	2637	49	Town	Town	NNP
39142	2637	50	.	.	.
39142	2638	1	Charting	chart	VBG
39142	2638	2	and	and	CC
39142	2638	3	cataloguing	catalogue	VBG
39142	2638	4	the	the	DT
39142	2638	5	stars	star	NNS
39142	2638	6	,	,	,
39142	2638	7	both	both	CC
39142	2638	8	visually	visually	RB
39142	2638	9	and	and	CC
39142	2638	10	photographically	photographically	RB
39142	2638	11	,	,	,
39142	2638	12	is	be	VBZ
39142	2638	13	a	a	DT
39142	2638	14	work	work	NN
39142	2638	15	that	that	WDT
39142	2638	16	will	will	MD
39142	2638	17	never	never	RB
39142	2638	18	be	be	VB
39142	2638	19	entirely	entirely	RB
39142	2638	20	finished	finish	VBN
39142	2638	21	.	.	.
39142	2639	1	Improvements	improvement	NNS
39142	2639	2	in	in	IN
39142	2639	3	processes	process	NNS
39142	2639	4	will	will	MD
39142	2639	5	be	be	VB
39142	2639	6	such	such	JJ
39142	2639	7	that	that	IN
39142	2639	8	it	-PRON-	PRP
39142	2639	9	can	can	MD
39142	2639	10	be	be	VB
39142	2639	11	better	well	RBR
39142	2639	12	done	do	VBN
39142	2639	13	in	in	IN
39142	2639	14	the	the	DT
39142	2639	15	future	future	NN
39142	2639	16	than	than	IN
39142	2639	17	it	-PRON-	PRP
39142	2639	18	is	be	VBZ
39142	2639	19	now	now	RB
39142	2639	20	,	,	,
39142	2639	21	and	and	CC
39142	2639	22	the	the	DT
39142	2639	23	detection	detection	NN
39142	2639	24	of	of	IN
39142	2639	25	changes	change	NNS
39142	2639	26	in	in	IN
39142	2639	27	the	the	DT
39142	2639	28	fainter	fainter	NN
39142	2639	29	stars	star	NNS
39142	2639	30	and	and	CC
39142	2639	31	investigation	investigation	NN
39142	2639	32	of	of	IN
39142	2639	33	their	-PRON-	PRP$
39142	2639	34	motions	motion	NNS
39142	2639	35	will	will	MD
39142	2639	36	necessitate	necessitate	VB
39142	2639	37	repetition	repetition	NN
39142	2639	38	of	of	IN
39142	2639	39	the	the	DT
39142	2639	40	entire	entire	JJ
39142	2639	41	work	work	NN
39142	2639	42	from	from	IN
39142	2639	43	century	century	NN
39142	2639	44	to	to	IN
39142	2639	45	century	century	NN
39142	2639	46	.	.	.
39142	2640	1	The	the	DT
39142	2640	2	origin	origin	NN
39142	2640	3	of	of	IN
39142	2640	4	the	the	DT
39142	2640	5	names	name	NNS
39142	2640	6	of	of	IN
39142	2640	7	individual	individual	JJ
39142	2640	8	stars	star	NNS
39142	2640	9	is	be	VBZ
39142	2640	10	a	a	DT
39142	2640	11	question	question	NN
39142	2640	12	of	of	IN
39142	2640	13	much	much	JJ
39142	2640	14	interest	interest	NN
39142	2640	15	.	.	.
39142	2641	1	The	the	DT
39142	2641	2	constellation	constellation	NN
39142	2641	3	figures	figure	NNS
39142	2641	4	form	form	VBP
39142	2641	5	the	the	DT
39142	2641	6	basis	basis	NN
39142	2641	7	of	of	IN
39142	2641	8	the	the	DT
39142	2641	9	method	method	NN
39142	2641	10	,	,	,
39142	2641	11	and	and	CC
39142	2641	12	the	the	DT
39142	2641	13	earliest	early	JJS
39142	2641	14	names	name	NNS
39142	2641	15	were	be	VBD
39142	2641	16	given	give	VBN
39142	2641	17	according	accord	VBG
39142	2641	18	to	to	IN
39142	2641	19	location	location	NN
39142	2641	20	in	in	IN
39142	2641	21	the	the	DT
39142	2641	22	especial	especial	JJ
39142	2641	23	figure	figure	NN
39142	2641	24	;	;	:
39142	2641	25	as	as	IN
39142	2641	26	for	for	IN
39142	2641	27	instance	instance	NN
39142	2641	28	,	,	,
39142	2641	29	Cor	Cor	NNP
39142	2641	30	Scorpii	Scorpii	NNP
39142	2641	31	,	,	,
39142	2641	32	the	the	DT
39142	2641	33	heart	heart	NN
39142	2641	34	of	of	IN
39142	2641	35	the	the	DT
39142	2641	36	Scorpion	scorpion	NN
39142	2641	37	,	,	,
39142	2641	38	later	later	RB
39142	2641	39	known	know	VBN
39142	2641	40	as	as	IN
39142	2641	41	Antares	Antares	NNPS
39142	2641	42	or	or	CC
39142	2641	43	Alpha	Alpha	NNP
39142	2641	44	Scorpii	Scorpii	NNP
39142	2641	45	.	.	.
39142	2642	1	The	the	DT
39142	2642	2	Arabians	Arabians	NNPS
39142	2642	3	adopted	adopt	VBD
39142	2642	4	many	many	JJ
39142	2642	5	star	star	NN
39142	2642	6	names	name	NNS
39142	2642	7	from	from	IN
39142	2642	8	the	the	DT
39142	2642	9	Greeks	Greeks	NNPS
39142	2642	10	,	,	,
39142	2642	11	and	and	CC
39142	2642	12	gave	give	VBD
39142	2642	13	about	about	RP
39142	2642	14	a	a	DT
39142	2642	15	hundred	hundred	CD
39142	2642	16	special	special	JJ
39142	2642	17	names	name	NNS
39142	2642	18	to	to	IN
39142	2642	19	other	other	JJ
39142	2642	20	stars	star	NNS
39142	2642	21	.	.	.
39142	2643	1	Some	some	DT
39142	2643	2	of	of	IN
39142	2643	3	these	these	DT
39142	2643	4	are	be	VBP
39142	2643	5	in	in	IN
39142	2643	6	common	common	JJ
39142	2643	7	use	use	NN
39142	2643	8	to	to	IN
39142	2643	9	-	-	HYPH
39142	2643	10	day	day	NN
39142	2643	11	,	,	,
39142	2643	12	by	by	IN
39142	2643	13	navigators	navigator	NNS
39142	2643	14	,	,	,
39142	2643	15	observers	observer	NNS
39142	2643	16	of	of	IN
39142	2643	17	meteors	meteor	NNS
39142	2643	18	and	and	CC
39142	2643	19	of	of	IN
39142	2643	20	variable	variable	JJ
39142	2643	21	stars	star	NNS
39142	2643	22	.	.	.
39142	2644	1	Sirius	Sirius	NNP
39142	2644	2	,	,	,
39142	2644	3	Vega	Vega	NNP
39142	2644	4	,	,	,
39142	2644	5	Arcturus	Arcturus	NNP
39142	2644	6	,	,	,
39142	2644	7	and	and	CC
39142	2644	8	a	a	DT
39142	2644	9	few	few	JJ
39142	2644	10	other	other	JJ
39142	2644	11	first	first	JJ
39142	2644	12	magnitude	magnitude	NN
39142	2644	13	stars	star	NNS
39142	2644	14	,	,	,
39142	2644	15	are	be	VBP
39142	2644	16	instances	instance	NNS
39142	2644	17	.	.	.
39142	2645	1	But	but	CC
39142	2645	2	this	this	DT
39142	2645	3	method	method	NN
39142	2645	4	is	be	VBZ
39142	2645	5	quite	quite	RB
39142	2645	6	insufficient	insufficient	JJ
39142	2645	7	for	for	IN
39142	2645	8	the	the	DT
39142	2645	9	fainter	fainter	NN
39142	2645	10	stars	star	NNS
39142	2645	11	whose	whose	WP$
39142	2645	12	numbers	number	NNS
39142	2645	13	increase	increase	VBP
39142	2645	14	so	so	RB
39142	2645	15	rapidly	rapidly	RB
39142	2645	16	.	.	.
39142	2646	1	Bayer	Bayer	NNP
39142	2646	2	,	,	,
39142	2646	3	a	a	DT
39142	2646	4	contemporary	contemporary	NN
39142	2646	5	of	of	IN
39142	2646	6	Galileo	Galileo	NNP
39142	2646	7	,	,	,
39142	2646	8	originated	originate	VBD
39142	2646	9	our	-PRON-	PRP$
39142	2646	10	present	present	JJ
39142	2646	11	system	system	NN
39142	2646	12	,	,	,
39142	2646	13	which	which	WDT
39142	2646	14	also	also	RB
39142	2646	15	employs	employ	VBZ
39142	2646	16	the	the	DT
39142	2646	17	names	name	NNS
39142	2646	18	of	of	IN
39142	2646	19	the	the	DT
39142	2646	20	constellations	constellation	NNS
39142	2646	21	,	,	,
39142	2646	22	the	the	DT
39142	2646	23	Latin	Latin	NNP
39142	2646	24	genitive	genitive	JJ
39142	2646	25	in	in	IN
39142	2646	26	each	each	DT
39142	2646	27	case	case	NN
39142	2646	28	,	,	,
39142	2646	29	prefixed	prefix	VBN
39142	2646	30	by	by	IN
39142	2646	31	the	the	DT
39142	2646	32	small	small	JJ
39142	2646	33	letters	letter	NNS
39142	2646	34	of	of	IN
39142	2646	35	the	the	DT
39142	2646	36	Greek	greek	JJ
39142	2646	37	alphabet	alphabet	NN
39142	2646	38	,	,	,
39142	2646	39	from	from	IN
39142	2646	40	alpha	alpha	NN
39142	2646	41	to	to	IN
39142	2646	42	omega	omega	NN
39142	2646	43	,	,	,
39142	2646	44	in	in	IN
39142	2646	45	order	order	NN
39142	2646	46	of	of	IN
39142	2646	47	decreasing	decrease	VBG
39142	2646	48	brightness	brightness	NN
39142	2646	49	;	;	:
39142	2646	50	and	and	CC
39142	2646	51	followed	follow	VBN
39142	2646	52	by	by	IN
39142	2646	53	the	the	DT
39142	2646	54	Roman	roman	JJ
39142	2646	55	letters	letter	NNS
39142	2646	56	when	when	WRB
39142	2646	57	the	the	DT
39142	2646	58	Greek	greek	JJ
39142	2646	59	alphabet	alphabet	NN
39142	2646	60	is	be	VBZ
39142	2646	61	exhausted	exhaust	VBN
39142	2646	62	.	.	.
39142	2647	1	If	if	IN
39142	2647	2	there	there	EX
39142	2647	3	were	be	VBD
39142	2647	4	still	still	RB
39142	2647	5	stars	star	NNS
39142	2647	6	left	leave	VBN
39142	2647	7	in	in	IN
39142	2647	8	a	a	DT
39142	2647	9	constellation	constellation	NN
39142	2647	10	unnamed	unnamed	JJ
39142	2647	11	,	,	,
39142	2647	12	numbers	number	NNS
39142	2647	13	were	be	VBD
39142	2647	14	used	use	VBN
39142	2647	15	,	,	,
39142	2647	16	first	first	RB
39142	2647	17	by	by	IN
39142	2647	18	Flamsteed	Flamsteed	NNP
39142	2647	19	,	,	,
39142	2647	20	Astronomer	Astronomer	NNP
39142	2647	21	Royal	Royal	NNP
39142	2647	22	;	;	:
39142	2647	23	and	and	CC
39142	2647	24	numbers	number	NNS
39142	2647	25	in	in	IN
39142	2647	26	the	the	DT
39142	2647	27	order	order	NN
39142	2647	28	of	of	IN
39142	2647	29	right	right	JJ
39142	2647	30	ascension	ascension	NN
39142	2647	31	in	in	IN
39142	2647	32	various	various	JJ
39142	2647	33	catalogues	catalogue	NNS
39142	2647	34	are	be	VBP
39142	2647	35	used	use	VBN
39142	2647	36	to	to	TO
39142	2647	37	designate	designate	VB
39142	2647	38	hundreds	hundred	NNS
39142	2647	39	of	of	IN
39142	2647	40	other	other	JJ
39142	2647	41	stars	star	NNS
39142	2647	42	.	.	.
39142	2648	1	The	the	DT
39142	2648	2	vast	vast	JJ
39142	2648	3	bulk	bulk	NN
39142	2648	4	of	of	IN
39142	2648	5	the	the	DT
39142	2648	6	stars	star	NNS
39142	2648	7	are	be	VBP
39142	2648	8	,	,	,
39142	2648	9	however	however	RB
39142	2648	10	,	,	,
39142	2648	11	nameless	nameless	JJ
39142	2648	12	;	;	:
39142	2648	13	but	but	CC
39142	2648	14	about	about	RB
39142	2648	15	one	one	CD
39142	2648	16	million	million	CD
39142	2648	17	are	be	VBP
39142	2648	18	identifiable	identifiable	JJ
39142	2648	19	by	by	IN
39142	2648	20	their	-PRON-	PRP$
39142	2648	21	positions	position	NNS
39142	2648	22	(	(	-LRB-
39142	2648	23	right	right	JJ
39142	2648	24	ascension	ascension	NN
39142	2648	25	and	and	CC
39142	2648	26	declination	declination	NN
39142	2648	27	)	)	-RRB-
39142	2648	28	on	on	IN
39142	2648	29	the	the	DT
39142	2648	30	celestial	celestial	JJ
39142	2648	31	sphere	sphere	NN
39142	2648	32	.	.	.
39142	2649	1	CHAPTER	chapter	NN
39142	2649	2	XLVI	xlvi	VBP
39142	2649	3	THE	the	DT
39142	2649	4	SUN	SUN	NNP
39142	2649	5	'S	's	POS
39142	2649	6	MOTION	motion	NN
39142	2649	7	TOWARD	toward	NN
39142	2649	8	LYRA	LYRA	VBN
39142	2649	9	If	if	IN
39142	2649	10	Hipparchus	Hipparchus	NNP
39142	2649	11	or	or	CC
39142	2649	12	Galileo	Galileo	NNP
39142	2649	13	should	should	MD
39142	2649	14	return	return	VB
39142	2649	15	to	to	IN
39142	2649	16	earth	earth	NN
39142	2649	17	to	to	IN
39142	2649	18	-	-	HYPH
39142	2649	19	night	night	NN
39142	2649	20	and	and	CC
39142	2649	21	look	look	VB
39142	2649	22	at	at	IN
39142	2649	23	the	the	DT
39142	2649	24	stars	star	NNS
39142	2649	25	and	and	CC
39142	2649	26	constellations	constellation	NNS
39142	2649	27	as	as	IN
39142	2649	28	we	-PRON-	PRP
39142	2649	29	see	see	VBP
39142	2649	30	them	-PRON-	PRP
39142	2649	31	,	,	,
39142	2649	32	there	there	EX
39142	2649	33	would	would	MD
39142	2649	34	be	be	VB
39142	2649	35	no	no	DT
39142	2649	36	change	change	NN
39142	2649	37	whatever	whatever	WDT
39142	2649	38	discernible	discernible	JJ
39142	2649	39	in	in	IN
39142	2649	40	either	either	CC
39142	2649	41	the	the	DT
39142	2649	42	brightness	brightness	NN
39142	2649	43	of	of	IN
39142	2649	44	the	the	DT
39142	2649	45	stars	star	NNS
39142	2649	46	or	or	CC
39142	2649	47	in	in	IN
39142	2649	48	their	-PRON-	PRP$
39142	2649	49	relative	relative	JJ
39142	2649	50	positions	position	NNS
39142	2649	51	.	.	.
39142	2650	1	So	so	RB
39142	2650	2	the	the	DT
39142	2650	3	name	name	NN
39142	2650	4	fixed	fix	VBN
39142	2650	5	stars	star	NNS
39142	2650	6	would	would	MD
39142	2650	7	appear	appear	VB
39142	2650	8	to	to	TO
39142	2650	9	have	have	VB
39142	2650	10	been	be	VBN
39142	2650	11	well	well	RB
39142	2650	12	chosen	choose	VBN
39142	2650	13	.	.	.
39142	2651	1	Halley	Halley	NNP
39142	2651	2	in	in	IN
39142	2651	3	the	the	DT
39142	2651	4	seventeenth	seventeenth	JJ
39142	2651	5	century	century	NN
39142	2651	6	was	be	VBD
39142	2651	7	the	the	DT
39142	2651	8	first	first	JJ
39142	2651	9	to	to	TO
39142	2651	10	detect	detect	VB
39142	2651	11	that	that	IN
39142	2651	12	slow	slow	JJ
39142	2651	13	relative	relative	JJ
39142	2651	14	change	change	NN
39142	2651	15	of	of	IN
39142	2651	16	position	position	NN
39142	2651	17	of	of	IN
39142	2651	18	a	a	DT
39142	2651	19	few	few	JJ
39142	2651	20	stars	star	NNS
39142	2651	21	which	which	WDT
39142	2651	22	is	be	VBZ
39142	2651	23	known	know	VBN
39142	2651	24	as	as	IN
39142	2651	25	proper	proper	JJ
39142	2651	26	motion	motion	NN
39142	2651	27	,	,	,
39142	2651	28	and	and	CC
39142	2651	29	all	all	PDT
39142	2651	30	the	the	DT
39142	2651	31	modern	modern	JJ
39142	2651	32	catalogues	catalogue	NNS
39142	2651	33	give	give	VBP
39142	2651	34	the	the	DT
39142	2651	35	proper	proper	JJ
39142	2651	36	motions	motion	NNS
39142	2651	37	in	in	IN
39142	2651	38	both	both	DT
39142	2651	39	right	right	JJ
39142	2651	40	ascension	ascension	NN
39142	2651	41	and	and	CC
39142	2651	42	declination	declination	NN
39142	2651	43	.	.	.
39142	2652	1	These	these	DT
39142	2652	2	are	be	VBP
39142	2652	3	simply	simply	RB
39142	2652	4	the	the	DT
39142	2652	5	small	small	JJ
39142	2652	6	annual	annual	JJ
39142	2652	7	changes	change	NNS
39142	2652	8	in	in	IN
39142	2652	9	position	position	NN
39142	2652	10	athwart	athwart	VBP
39142	2652	11	the	the	DT
39142	2652	12	line	line	NN
39142	2652	13	of	of	IN
39142	2652	14	vision	vision	NN
39142	2652	15	;	;	,
39142	2652	16	and	and	CC
39142	2652	17	,	,	,
39142	2652	18	as	as	IN
39142	2652	19	a	a	DT
39142	2652	20	whole	whole	NN
39142	2652	21	,	,	,
39142	2652	22	the	the	DT
39142	2652	23	proper	proper	JJ
39142	2652	24	motions	motion	NNS
39142	2652	25	of	of	IN
39142	2652	26	the	the	DT
39142	2652	27	brighter	bright	JJR
39142	2652	28	stars	star	NNS
39142	2652	29	exceed	exceed	VBP
39142	2652	30	the	the	DT
39142	2652	31	corresponding	correspond	VBG
39142	2652	32	motions	motion	NNS
39142	2652	33	of	of	IN
39142	2652	34	the	the	DT
39142	2652	35	fainter	fainter	NN
39142	2652	36	ones	one	NNS
39142	2652	37	because	because	IN
39142	2652	38	they	-PRON-	PRP
39142	2652	39	are	be	VBP
39142	2652	40	nearer	nearer	JJ
39142	2652	41	to	to	IN
39142	2652	42	us	-PRON-	PRP
39142	2652	43	.	.	.
39142	2653	1	The	the	DT
39142	2653	2	average	average	JJ
39142	2653	3	proper	proper	JJ
39142	2653	4	motion	motion	NN
39142	2653	5	of	of	IN
39142	2653	6	the	the	DT
39142	2653	7	brightest	bright	JJS
39142	2653	8	stars	star	NNS
39142	2653	9	is	be	VBZ
39142	2653	10	0".25	0".25	CD
39142	2653	11	,	,	,
39142	2653	12	and	and	CC
39142	2653	13	of	of	IN
39142	2653	14	stars	star	NNS
39142	2653	15	of	of	IN
39142	2653	16	the	the	DT
39142	2653	17	sixth	sixth	JJ
39142	2653	18	magnitude	magnitude	NN
39142	2653	19	only	only	RB
39142	2653	20	one	one	CD
39142	2653	21	-	-	HYPH
39142	2653	22	sixth	sixth	JJ
39142	2653	23	as	as	RB
39142	2653	24	great	great	JJ
39142	2653	25	.	.	.
39142	2654	1	A	a	DT
39142	2654	2	few	few	JJ
39142	2654	3	extreme	extreme	JJ
39142	2654	4	cases	case	NNS
39142	2654	5	of	of	IN
39142	2654	6	proper	proper	JJ
39142	2654	7	motion	motion	NN
39142	2654	8	have	have	VBP
39142	2654	9	been	be	VBN
39142	2654	10	detected	detect	VBN
39142	2654	11	,	,	,
39142	2654	12	one	one	NN
39142	2654	13	as	as	RB
39142	2654	14	large	large	JJ
39142	2654	15	as	as	IN
39142	2654	16	9	9	CD
39142	2654	17	"	"	''
39142	2654	18	,	,	,
39142	2654	19	of	of	IN
39142	2654	20	an	an	DT
39142	2654	21	orange	orange	NNP
39142	2654	22	yellow	yellow	JJ
39142	2654	23	star	star	NN
39142	2654	24	of	of	IN
39142	2654	25	the	the	DT
39142	2654	26	eighth	eighth	JJ
39142	2654	27	magnitude	magnitude	NN
39142	2654	28	in	in	IN
39142	2654	29	the	the	DT
39142	2654	30	southern	southern	JJ
39142	2654	31	constellation	constellation	NN
39142	2654	32	Pictor	Pictor	NNP
39142	2654	33	,	,	,
39142	2654	34	and	and	CC
39142	2654	35	Barnard	Barnard	NNP
39142	2654	36	has	have	VBZ
39142	2654	37	recently	recently	RB
39142	2654	38	discovered	discover	VBN
39142	2654	39	a	a	DT
39142	2654	40	star	star	NN
39142	2654	41	with	with	IN
39142	2654	42	a	a	DT
39142	2654	43	proper	proper	JJ
39142	2654	44	motion	motion	NN
39142	2654	45	exceeding	exceed	VBG
39142	2654	46	10	10	CD
39142	2654	47	"	"	''
39142	2654	48	;	;	:
39142	2654	49	several	several	JJ
39142	2654	50	determinations	determination	NNS
39142	2654	51	of	of	IN
39142	2654	52	its	-PRON-	PRP$
39142	2654	53	parallax	parallax	NN
39142	2654	54	give	give	VB
39142	2654	55	0".52	0".52	CD
39142	2654	56	,	,	,
39142	2654	57	corresponding	correspond	VBG
39142	2654	58	to	to	IN
39142	2654	59	a	a	DT
39142	2654	60	distance	distance	NN
39142	2654	61	of	of	IN
39142	2654	62	6.27	6.27	CD
39142	2654	63	light	light	JJ
39142	2654	64	years	year	NNS
39142	2654	65	.	.	.
39142	2655	1	Nevertheless	nevertheless	RB
39142	2655	2	,	,	,
39142	2655	3	two	two	CD
39142	2655	4	centuries	century	NNS
39142	2655	5	would	would	MD
39142	2655	6	elapse	elapse	VB
39142	2655	7	before	before	IN
39142	2655	8	these	these	DT
39142	2655	9	stars	star	NNS
39142	2655	10	would	would	MD
39142	2655	11	be	be	VB
39142	2655	12	displaced	displace	VBN
39142	2655	13	as	as	RB
39142	2655	14	much	much	RB
39142	2655	15	as	as	IN
39142	2655	16	the	the	DT
39142	2655	17	breadth	breadth	NN
39142	2655	18	of	of	IN
39142	2655	19	the	the	DT
39142	2655	20	moon	moon	NN
39142	2655	21	among	among	IN
39142	2655	22	their	-PRON-	PRP$
39142	2655	23	neighbors	neighbor	NNS
39142	2655	24	in	in	IN
39142	2655	25	the	the	DT
39142	2655	26	sky	sky	NN
39142	2655	27	.	.	.
39142	2656	1	The	the	DT
39142	2656	2	proper	proper	JJ
39142	2656	3	motions	motion	NNS
39142	2656	4	of	of	IN
39142	2656	5	stars	star	NNS
39142	2656	6	are	be	VBP
39142	2656	7	along	along	IN
39142	2656	8	perfectly	perfectly	RB
39142	2656	9	straight	straight	JJ
39142	2656	10	lines	line	NNS
39142	2656	11	,	,	,
39142	2656	12	so	so	RB
39142	2656	13	far	far	RB
39142	2656	14	as	as	IN
39142	2656	15	yet	yet	RB
39142	2656	16	observed	observe	VBN
39142	2656	17	.	.	.
39142	2657	1	Ultimately	ultimately	RB
39142	2657	2	we	-PRON-	PRP
39142	2657	3	may	may	MD
39142	2657	4	find	find	VB
39142	2657	5	a	a	DT
39142	2657	6	few	few	JJ
39142	2657	7	moving	move	VBG
39142	2657	8	in	in	IN
39142	2657	9	curved	curved	JJ
39142	2657	10	paths	path	NNS
39142	2657	11	or	or	CC
39142	2657	12	orbits	orbit	NNS
39142	2657	13	,	,	,
39142	2657	14	but	but	CC
39142	2657	15	this	this	DT
39142	2657	16	is	be	VBZ
39142	2657	17	hardly	hardly	RB
39142	2657	18	likely	likely	JJ
39142	2657	19	.	.	.
39142	2658	1	As	as	IN
39142	2658	2	for	for	IN
39142	2658	3	a	a	DT
39142	2658	4	central	central	JJ
39142	2658	5	sun	sun	NN
39142	2658	6	hypothesis	hypothesis	NN
39142	2658	7	,	,	,
39142	2658	8	that	that	WDT
39142	2658	9	pointing	point	VBG
39142	2658	10	out	out	RP
39142	2658	11	Alcyone	Alcyone	NNP
39142	2658	12	in	in	IN
39142	2658	13	particular	particular	JJ
39142	2658	14	,	,	,
39142	2658	15	there	there	EX
39142	2658	16	is	be	VBZ
39142	2658	17	no	no	DT
39142	2658	18	reliable	reliable	JJ
39142	2658	19	evidence	evidence	NN
39142	2658	20	whatever	whatever	WDT
39142	2658	21	.	.	.
39142	2659	1	Analysis	analysis	NN
39142	2659	2	of	of	IN
39142	2659	3	the	the	DT
39142	2659	4	proper	proper	JJ
39142	2659	5	motions	motion	NNS
39142	2659	6	of	of	IN
39142	2659	7	stars	star	NNS
39142	2659	8	in	in	IN
39142	2659	9	considerable	considerable	JJ
39142	2659	10	numbers	number	NNS
39142	2659	11	,	,	,
39142	2659	12	first	first	RB
39142	2659	13	by	by	IN
39142	2659	14	Sir	Sir	NNP
39142	2659	15	William	William	NNP
39142	2659	16	Herschel	Herschel	NNP
39142	2659	17	,	,	,
39142	2659	18	showed	show	VBD
39142	2659	19	that	that	IN
39142	2659	20	they	-PRON-	PRP
39142	2659	21	were	be	VBD
39142	2659	22	moving	move	VBG
39142	2659	23	radially	radially	RB
39142	2659	24	from	from	IN
39142	2659	25	the	the	DT
39142	2659	26	constellation	constellation	NN
39142	2659	27	Hercules	Hercules	NNP
39142	2659	28	,	,	,
39142	2659	29	and	and	CC
39142	2659	30	in	in	IN
39142	2659	31	great	great	JJ
39142	2659	32	numbers	number	NNS
39142	2659	33	also	also	RB
39142	2659	34	toward	toward	IN
39142	2659	35	the	the	DT
39142	2659	36	opposite	opposite	JJ
39142	2659	37	side	side	NN
39142	2659	38	of	of	IN
39142	2659	39	the	the	DT
39142	2659	40	stellar	stellar	JJ
39142	2659	41	sphere	sphere	NN
39142	2659	42	.	.	.
39142	2660	1	Later	later	JJ
39142	2660	2	investigation	investigation	NN
39142	2660	3	places	place	VBZ
39142	2660	4	this	this	DT
39142	2660	5	point	point	NN
39142	2660	6	,	,	,
39142	2660	7	called	call	VBD
39142	2660	8	the	the	DT
39142	2660	9	sun	sun	NN
39142	2660	10	's	's	POS
39142	2660	11	goal	goal	NN
39142	2660	12	,	,	,
39142	2660	13	or	or	CC
39142	2660	14	apex	apex	NN
39142	2660	15	of	of	IN
39142	2660	16	the	the	DT
39142	2660	17	sun	sun	NN
39142	2660	18	's	's	POS
39142	2660	19	way	way	NN
39142	2660	20	,	,	,
39142	2660	21	over	over	RB
39142	2660	22	in	in	IN
39142	2660	23	the	the	DT
39142	2660	24	adjacent	adjacent	JJ
39142	2660	25	constellation	constellation	NN
39142	2660	26	Lyra	Lyra	NNP
39142	2660	27	;	;	:
39142	2660	28	and	and	CC
39142	2660	29	the	the	DT
39142	2660	30	opposite	opposite	JJ
39142	2660	31	point	point	NN
39142	2660	32	,	,	,
39142	2660	33	or	or	CC
39142	2660	34	the	the	DT
39142	2660	35	sun	sun	NN
39142	2660	36	's	's	POS
39142	2660	37	quit	quit	NN
39142	2660	38	,	,	,
39142	2660	39	is	be	VBZ
39142	2660	40	about	about	IN
39142	2660	41	halfway	halfway	NN
39142	2660	42	between	between	IN
39142	2660	43	Sirius	Sirius	NNP
39142	2660	44	and	and	CC
39142	2660	45	Canopus	Canopus	NNP
39142	2660	46	.	.	.
39142	2661	1	By	by	IN
39142	2661	2	means	mean	NNS
39142	2661	3	of	of	IN
39142	2661	4	the	the	DT
39142	2661	5	radial	radial	JJ
39142	2661	6	velocities	velocity	NNS
39142	2661	7	of	of	IN
39142	2661	8	stars	star	NNS
39142	2661	9	in	in	IN
39142	2661	10	these	these	DT
39142	2661	11	antipodal	antipodal	NN
39142	2661	12	regions	region	NNS
39142	2661	13	of	of	IN
39142	2661	14	the	the	DT
39142	2661	15	sky	sky	NN
39142	2661	16	,	,	,
39142	2661	17	it	-PRON-	PRP
39142	2661	18	is	be	VBZ
39142	2661	19	found	find	VBN
39142	2661	20	that	that	IN
39142	2661	21	the	the	DT
39142	2661	22	sun	sun	NN
39142	2661	23	's	's	POS
39142	2661	24	motion	motion	NN
39142	2661	25	toward	toward	IN
39142	2661	26	Lyra	Lyra	NNP
39142	2661	27	,	,	,
39142	2661	28	carrying	carry	VBG
39142	2661	29	all	all	PDT
39142	2661	30	his	-PRON-	PRP$
39142	2661	31	planetary	planetary	JJ
39142	2661	32	family	family	NN
39142	2661	33	along	along	IN
39142	2661	34	with	with	IN
39142	2661	35	him	-PRON-	PRP
39142	2661	36	,	,	,
39142	2661	37	is	be	VBZ
39142	2661	38	taking	take	VBG
39142	2661	39	place	place	NN
39142	2661	40	at	at	IN
39142	2661	41	the	the	DT
39142	2661	42	rate	rate	NN
39142	2661	43	of	of	IN
39142	2661	44	about	about	RB
39142	2661	45	12	12	CD
39142	2661	46	miles	mile	NNS
39142	2661	47	in	in	IN
39142	2661	48	every	every	DT
39142	2661	49	second	second	NN
39142	2661	50	.	.	.
39142	2662	1	While	while	IN
39142	2662	2	the	the	DT
39142	2662	3	right	right	JJ
39142	2662	4	ascensions	ascension	NNS
39142	2662	5	of	of	IN
39142	2662	6	the	the	DT
39142	2662	7	solar	solar	JJ
39142	2662	8	apex	apex	NN
39142	2662	9	as	as	IN
39142	2662	10	given	give	VBN
39142	2662	11	by	by	IN
39142	2662	12	the	the	DT
39142	2662	13	different	different	JJ
39142	2662	14	investigations	investigation	NNS
39142	2662	15	have	have	VBP
39142	2662	16	been	be	VBN
39142	2662	17	pretty	pretty	RB
39142	2662	18	uniform	uniform	JJ
39142	2662	19	,	,	,
39142	2662	20	the	the	DT
39142	2662	21	declination	declination	NN
39142	2662	22	of	of	IN
39142	2662	23	this	this	DT
39142	2662	24	point	point	NN
39142	2662	25	has	have	VBZ
39142	2662	26	shown	show	VBN
39142	2662	27	a	a	DT
39142	2662	28	rather	rather	RB
39142	2662	29	wide	wide	JJ
39142	2662	30	variation	variation	NN
39142	2662	31	not	not	RB
39142	2662	32	yet	yet	RB
39142	2662	33	explained	explain	VBN
39142	2662	34	.	.	.
39142	2663	1	For	for	IN
39142	2663	2	example	example	NN
39142	2663	3	,	,	,
39142	2663	4	there	there	EX
39142	2663	5	is	be	VBZ
39142	2663	6	a	a	DT
39142	2663	7	difference	difference	NN
39142	2663	8	of	of	IN
39142	2663	9	nearly	nearly	RB
39142	2663	10	ten	ten	CD
39142	2663	11	degrees	degree	NNS
39142	2663	12	between	between	IN
39142	2663	13	the	the	DT
39142	2663	14	declination	declination	NN
39142	2663	15	(	(	-LRB-
39142	2663	16	+34	+34	NNP
39142	2663	17	°	°	NNP
39142	2663	18	.3	.3	NNP
39142	2663	19	)	)	-RRB-
39142	2663	20	of	of	IN
39142	2663	21	the	the	DT
39142	2663	22	apex	apex	NN
39142	2663	23	as	as	IN
39142	2663	24	determined	determine	VBN
39142	2663	25	by	by	IN
39142	2663	26	Boss	Boss	NNP
39142	2663	27	from	from	IN
39142	2663	28	the	the	DT
39142	2663	29	proper	proper	JJ
39142	2663	30	motions	motion	NNS
39142	2663	31	of	of	IN
39142	2663	32	more	more	JJR
39142	2663	33	than	than	IN
39142	2663	34	6,000	6,000	CD
39142	2663	35	stars	star	NNS
39142	2663	36	,	,	,
39142	2663	37	and	and	CC
39142	2663	38	the	the	DT
39142	2663	39	declination	declination	NN
39142	2663	40	(	(	-LRB-
39142	2663	41	+25	+25	NNP
39142	2663	42	°	°	,
39142	2663	43	.3	.3	NNP
39142	2663	44	)	)	-RRB-
39142	2663	45	found	find	VBN
39142	2663	46	by	by	IN
39142	2663	47	Campbell	Campbell	NNP
39142	2663	48	from	from	IN
39142	2663	49	the	the	DT
39142	2663	50	radial	radial	JJ
39142	2663	51	velocities	velocity	NNS
39142	2663	52	of	of	IN
39142	2663	53	nearly	nearly	RB
39142	2663	54	1,200	1,200	CD
39142	2663	55	stars	star	NNS
39142	2663	56	.	.	.
39142	2664	1	Several	several	JJ
39142	2664	2	investigations	investigation	NNS
39142	2664	3	tend	tend	VBP
39142	2664	4	to	to	TO
39142	2664	5	show	show	VB
39142	2664	6	that	that	IN
39142	2664	7	the	the	DT
39142	2664	8	fainter	fainter	NN
39142	2664	9	the	the	DT
39142	2664	10	stars	star	NNS
39142	2664	11	are	be	VBP
39142	2664	12	,	,	,
39142	2664	13	the	the	DT
39142	2664	14	greater	great	JJR
39142	2664	15	is	be	VBZ
39142	2664	16	the	the	DT
39142	2664	17	declination	declination	NN
39142	2664	18	of	of	IN
39142	2664	19	the	the	DT
39142	2664	20	solar	solar	JJ
39142	2664	21	apex	apex	NN
39142	2664	22	.	.	.
39142	2665	1	More	more	RBR
39142	2665	2	remarkable	remarkable	JJ
39142	2665	3	is	be	VBZ
39142	2665	4	the	the	DT
39142	2665	5	evidence	evidence	NN
39142	2665	6	that	that	IN
39142	2665	7	this	this	DT
39142	2665	8	declination	declination	NN
39142	2665	9	varies	vary	VBZ
39142	2665	10	with	with	IN
39142	2665	11	the	the	DT
39142	2665	12	spectral	spectral	JJ
39142	2665	13	type	type	NN
39142	2665	14	of	of	IN
39142	2665	15	the	the	DT
39142	2665	16	stars	star	NNS
39142	2665	17	,	,	,
39142	2665	18	the	the	DT
39142	2665	19	later	later	JJ
39142	2665	20	types	type	NNS
39142	2665	21	,	,	,
39142	2665	22	especially	especially	RB
39142	2665	23	G	g	NN
39142	2665	24	and	and	CC
39142	2665	25	K	k	NN
39142	2665	26	,	,	,
39142	2665	27	giving	give	VBG
39142	2665	28	much	much	RB
39142	2665	29	more	more	RBR
39142	2665	30	northerly	northerly	JJ
39142	2665	31	values	value	NNS
39142	2665	32	.	.	.
39142	2666	1	On	on	IN
39142	2666	2	the	the	DT
39142	2666	3	whole	whole	JJ
39142	2666	4	the	the	DT
39142	2666	5	great	great	JJ
39142	2666	6	amount	amount	NN
39142	2666	7	of	of	IN
39142	2666	8	research	research	NN
39142	2666	9	that	that	WDT
39142	2666	10	has	have	VBZ
39142	2666	11	been	be	VBN
39142	2666	12	devoted	devote	VBN
39142	2666	13	to	to	IN
39142	2666	14	the	the	DT
39142	2666	15	solar	solar	JJ
39142	2666	16	motion	motion	NN
39142	2666	17	relative	relative	JJ
39142	2666	18	to	to	IN
39142	2666	19	the	the	DT
39142	2666	20	system	system	NN
39142	2666	21	of	of	IN
39142	2666	22	the	the	DT
39142	2666	23	stars	star	NNS
39142	2666	24	for	for	IN
39142	2666	25	the	the	DT
39142	2666	26	past	past	JJ
39142	2666	27	hundred	hundred	CD
39142	2666	28	years	year	NNS
39142	2666	29	may	may	MD
39142	2666	30	be	be	VB
39142	2666	31	said	say	VBN
39142	2666	32	to	to	TO
39142	2666	33	indicate	indicate	VB
39142	2666	34	a	a	DT
39142	2666	35	point	point	NN
39142	2666	36	in	in	IN
39142	2666	37	right	right	JJ
39142	2666	38	ascension	ascension	NN
39142	2666	39	18h	18h	NNS
39142	2666	40	.	.	.
39142	2667	1	(	(	-LRB-
39142	2667	2	270	270	CD
39142	2667	3	°	°	NNS
39142	2667	4	)	)	-RRB-
39142	2667	5	and	and	CC
39142	2667	6	declination	declination	NN
39142	2667	7	34	34	CD
39142	2667	8	°	°	,
39142	2667	9	N.	N.	NNP
39142	2667	10	as	as	IN
39142	2667	11	the	the	DT
39142	2667	12	direction	direction	NN
39142	2667	13	toward	toward	IN
39142	2667	14	which	which	WDT
39142	2667	15	the	the	DT
39142	2667	16	sun	sun	NN
39142	2667	17	is	be	VBZ
39142	2667	18	moving	move	VBG
39142	2667	19	.	.	.
39142	2668	1	This	this	DT
39142	2668	2	is	be	VBZ
39142	2668	3	not	not	RB
39142	2668	4	very	very	RB
39142	2668	5	far	far	RB
39142	2668	6	from	from	IN
39142	2668	7	the	the	DT
39142	2668	8	bright	bright	JJ
39142	2668	9	star	star	NN
39142	2668	10	Alpha	Alpha	NNP
39142	2668	11	Lyræ	Lyræ	NNP
39142	2668	12	,	,	,
39142	2668	13	and	and	CC
39142	2668	14	the	the	DT
39142	2668	15	antipodal	antipodal	NN
39142	2668	16	point	point	NN
39142	2668	17	from	from	IN
39142	2668	18	which	which	WDT
39142	2668	19	the	the	DT
39142	2668	20	sun	sun	NN
39142	2668	21	is	be	VBZ
39142	2668	22	traveling	travel	VBG
39142	2668	23	is	be	VBZ
39142	2668	24	quite	quite	RB
39142	2668	25	near	near	JJ
39142	2668	26	to	to	IN
39142	2668	27	Beta	Beta	NNP
39142	2668	28	Columbæ	Columbæ	NNP
39142	2668	29	.	.	.
39142	2669	1	So	so	RB
39142	2669	2	swift	swift	NNP
39142	2669	3	is	be	VBZ
39142	2669	4	this	this	DT
39142	2669	5	motion	motion	NN
39142	2669	6	(	(	-LRB-
39142	2669	7	nearly	nearly	RB
39142	2669	8	twenty	twenty	CD
39142	2669	9	kilometers	kilometer	NNS
39142	2669	10	per	per	IN
39142	2669	11	second	second	NN
39142	2669	12	)	)	-RRB-
39142	2669	13	that	that	IN
39142	2669	14	it	-PRON-	PRP
39142	2669	15	has	have	VBZ
39142	2669	16	provided	provide	VBN
39142	2669	17	a	a	DT
39142	2669	18	base	base	NN
39142	2669	19	line	line	NN
39142	2669	20	of	of	IN
39142	2669	21	exceptional	exceptional	JJ
39142	2669	22	length	length	NN
39142	2669	23	,	,	,
39142	2669	24	and	and	CC
39142	2669	25	very	very	RB
39142	2669	26	great	great	JJ
39142	2669	27	service	service	NN
39142	2669	28	in	in	IN
39142	2669	29	determining	determine	VBG
39142	2669	30	the	the	DT
39142	2669	31	average	average	JJ
39142	2669	32	distance	distance	NN
39142	2669	33	of	of	IN
39142	2669	34	stars	star	NNS
39142	2669	35	in	in	IN
39142	2669	36	groups	group	NNS
39142	2669	37	or	or	CC
39142	2669	38	classes	class	NNS
39142	2669	39	.	.	.
39142	2670	1	After	after	IN
39142	2670	2	thousands	thousand	NNS
39142	2670	3	of	of	IN
39142	2670	4	years	year	NNS
39142	2670	5	the	the	DT
39142	2670	6	sun	sun	NN
39142	2670	7	's	's	POS
39142	2670	8	own	own	JJ
39142	2670	9	motion	motion	NN
39142	2670	10	combined	combine	VBN
39142	2670	11	with	with	IN
39142	2670	12	the	the	DT
39142	2670	13	proper	proper	JJ
39142	2670	14	motions	motion	NNS
39142	2670	15	of	of	IN
39142	2670	16	the	the	DT
39142	2670	17	stars	star	NNS
39142	2670	18	will	will	MD
39142	2670	19	displace	displace	VB
39142	2670	20	many	many	JJ
39142	2670	21	stars	star	NNS
39142	2670	22	appreciably	appreciably	RB
39142	2670	23	from	from	IN
39142	2670	24	their	-PRON-	PRP$
39142	2670	25	familiar	familiar	JJ
39142	2670	26	places	place	NNS
39142	2670	27	.	.	.
39142	2671	1	The	the	DT
39142	2671	2	constellations	constellation	NNS
39142	2671	3	as	as	IN
39142	2671	4	we	-PRON-	PRP
39142	2671	5	know	know	VBP
39142	2671	6	them	-PRON-	PRP
39142	2671	7	will	will	MD
39142	2671	8	suffer	suffer	VB
39142	2671	9	slight	slight	JJ
39142	2671	10	distortions	distortion	NNS
39142	2671	11	,	,	,
39142	2671	12	particularly	particularly	RB
39142	2671	13	Orion	Orion	NNP
39142	2671	14	,	,	,
39142	2671	15	Cassiopeia	Cassiopeia	NNPS
39142	2671	16	and	and	CC
39142	2671	17	Ursa	Ursa	NNP
39142	2671	18	Major	Major	NNP
39142	2671	19	.	.	.
39142	2672	1	Identity	identity	NN
39142	2672	2	or	or	CC
39142	2672	3	otherwise	otherwise	RB
39142	2672	4	of	of	IN
39142	2672	5	spectra	spectra	NNP
39142	2672	6	often	often	RB
39142	2672	7	indicates	indicate	VBZ
39142	2672	8	what	what	WDT
39142	2672	9	stars	star	NNS
39142	2672	10	are	be	VBP
39142	2672	11	associated	associate	VBN
39142	2672	12	together	together	RB
39142	2672	13	in	in	IN
39142	2672	14	groups	group	NNS
39142	2672	15	,	,	,
39142	2672	16	and	and	CC
39142	2672	17	their	-PRON-	PRP$
39142	2672	18	community	community	NN
39142	2672	19	of	of	IN
39142	2672	20	motion	motion	NN
39142	2672	21	is	be	VBZ
39142	2672	22	known	know	VBN
39142	2672	23	as	as	IN
39142	2672	24	star	star	NNP
39142	2672	25	drift	drift	NNP
39142	2672	26	.	.	.
39142	2673	1	Recent	recent	JJ
39142	2673	2	investigation	investigation	NN
39142	2673	3	of	of	IN
39142	2673	4	vast	vast	JJ
39142	2673	5	numbers	number	NNS
39142	2673	6	of	of	IN
39142	2673	7	stars	star	NNS
39142	2673	8	by	by	IN
39142	2673	9	both	both	PDT
39142	2673	10	these	these	DT
39142	2673	11	methods	method	NNS
39142	2673	12	have	have	VBP
39142	2673	13	led	lead	VBN
39142	2673	14	to	to	IN
39142	2673	15	the	the	DT
39142	2673	16	epochal	epochal	NN
39142	2673	17	discovery	discovery	NN
39142	2673	18	of	of	IN
39142	2673	19	star	star	NN
39142	2673	20	streaming	streaming	NN
39142	2673	21	,	,	,
39142	2673	22	which	which	WDT
39142	2673	23	indicates	indicate	VBZ
39142	2673	24	that	that	IN
39142	2673	25	the	the	DT
39142	2673	26	stars	star	NNS
39142	2673	27	of	of	IN
39142	2673	28	our	-PRON-	PRP$
39142	2673	29	system	system	NN
39142	2673	30	are	be	VBP
39142	2673	31	drifting	drift	VBG
39142	2673	32	by	by	RB
39142	2673	33	,	,	,
39142	2673	34	or	or	CC
39142	2673	35	rather	rather	RB
39142	2673	36	through	through	IN
39142	2673	37	,	,	,
39142	2673	38	each	each	DT
39142	2673	39	other	other	JJ
39142	2673	40	,	,	,
39142	2673	41	in	in	IN
39142	2673	42	two	two	CD
39142	2673	43	stately	stately	JJ
39142	2673	44	and	and	CC
39142	2673	45	interpenetrating	interpenetrating	JJ
39142	2673	46	streams	stream	NNS
39142	2673	47	.	.	.
39142	2674	1	The	the	DT
39142	2674	2	grand	grand	JJ
39142	2674	3	primary	primary	JJ
39142	2674	4	cause	cause	NN
39142	2674	5	underlying	underlie	VBG
39142	2674	6	this	this	DT
39142	2674	7	motion	motion	NN
39142	2674	8	is	be	VBZ
39142	2674	9	as	as	RB
39142	2674	10	yet	yet	RB
39142	2674	11	only	only	RB
39142	2674	12	surmised	surmise	VBN
39142	2674	13	.	.	.
39142	2675	1	CHAPTER	CHAPTER	NNP
39142	2675	2	XLVII	XLVII	NNP
39142	2675	3	STARS	star	NNS
39142	2675	4	AND	and	CC
39142	2675	5	THEIR	their	NN
39142	2675	6	SPECTRAL	SPECTRAL	VBN
39142	2675	7	TYPE	type	NN
39142	2675	8	When	when	WRB
39142	2675	9	in	in	IN
39142	2675	10	1872	1872	CD
39142	2675	11	Dr.	Dr.	NNP
39142	2675	12	Henry	Henry	NNP
39142	2675	13	Draper	Draper	NNP
39142	2675	14	placed	place	VBD
39142	2675	15	a	a	DT
39142	2675	16	very	very	RB
39142	2675	17	small	small	JJ
39142	2675	18	wet	wet	JJ
39142	2675	19	plate	plate	NN
39142	2675	20	in	in	IN
39142	2675	21	the	the	DT
39142	2675	22	camera	camera	NN
39142	2675	23	of	of	IN
39142	2675	24	his	-PRON-	PRP$
39142	2675	25	spectroscope	spectroscope	NN
39142	2675	26	and	and	CC
39142	2675	27	,	,	,
39142	2675	28	by	by	IN
39142	2675	29	careful	careful	JJ
39142	2675	30	following	following	NN
39142	2675	31	,	,	,
39142	2675	32	on	on	IN
39142	2675	33	account	account	NN
39142	2675	34	of	of	IN
39142	2675	35	the	the	DT
39142	2675	36	necessarily	necessarily	RB
39142	2675	37	long	long	JJ
39142	2675	38	exposure	exposure	NN
39142	2675	39	,	,	,
39142	2675	40	secured	secure	VBD
39142	2675	41	the	the	DT
39142	2675	42	first	first	JJ
39142	2675	43	photographic	photographic	JJ
39142	2675	44	spectrum	spectrum	NN
39142	2675	45	of	of	IN
39142	2675	46	a	a	DT
39142	2675	47	star	star	NN
39142	2675	48	ever	ever	RB
39142	2675	49	taken	take	VBN
39142	2675	50	,	,	,
39142	2675	51	he	-PRON-	PRP
39142	2675	52	could	could	MD
39142	2675	53	hardly	hardly	RB
39142	2675	54	have	have	VB
39142	2675	55	anticipated	anticipate	VBN
39142	2675	56	the	the	DT
39142	2675	57	wealth	wealth	NN
39142	2675	58	of	of	IN
39142	2675	59	the	the	DT
39142	2675	60	new	new	JJ
39142	2675	61	field	field	NN
39142	2675	62	of	of	IN
39142	2675	63	research	research	NN
39142	2675	64	which	which	WDT
39142	2675	65	he	-PRON-	PRP
39142	2675	66	was	be	VBD
39142	2675	67	opening	open	VBG
39142	2675	68	.	.	.
39142	2676	1	His	-PRON-	PRP$
39142	2676	2	wife	wife	NN
39142	2676	3	,	,	,
39142	2676	4	Anna	Anna	NNP
39142	2676	5	Palmer	Palmer	NNP
39142	2676	6	Draper	Draper	NNP
39142	2676	7	,	,	,
39142	2676	8	was	be	VBD
39142	2676	9	his	-PRON-	PRP$
39142	2676	10	enthusiastic	enthusiastic	JJ
39142	2676	11	assistant	assistant	NN
39142	2676	12	in	in	IN
39142	2676	13	both	both	DT
39142	2676	14	laboratory	laboratory	NN
39142	2676	15	and	and	CC
39142	2676	16	observatory	observatory	NN
39142	2676	17	,	,	,
39142	2676	18	and	and	CC
39142	2676	19	on	on	IN
39142	2676	20	his	-PRON-	PRP$
39142	2676	21	death	death	NN
39142	2676	22	in	in	IN
39142	2676	23	1882	1882	CD
39142	2676	24	,	,	,
39142	2676	25	she	-PRON-	PRP
39142	2676	26	began	begin	VBD
39142	2676	27	to	to	TO
39142	2676	28	devote	devote	VB
39142	2676	29	her	-PRON-	PRP$
39142	2676	30	resources	resource	NNS
39142	2676	31	very	very	RB
39142	2676	32	considerably	considerably	RB
39142	2676	33	to	to	IN
39142	2676	34	the	the	DT
39142	2676	35	amplification	amplification	NN
39142	2676	36	of	of	IN
39142	2676	37	stellar	stellar	JJ
39142	2676	38	spectrum	spectrum	NN
39142	2676	39	photography	photography	NN
39142	2676	40	.	.	.
39142	2677	1	At	at	IN
39142	2677	2	first	first	RB
39142	2677	3	with	with	IN
39142	2677	4	the	the	DT
39142	2677	5	cooperation	cooperation	NN
39142	2677	6	of	of	IN
39142	2677	7	Professor	Professor	NNP
39142	2677	8	Young	Young	NNP
39142	2677	9	of	of	IN
39142	2677	10	Princeton	Princeton	NNP
39142	2677	11	,	,	,
39142	2677	12	and	and	CC
39142	2677	13	later	later	RB
39142	2677	14	through	through	IN
39142	2677	15	extension	extension	NN
39142	2677	16	of	of	IN
39142	2677	17	the	the	DT
39142	2677	18	facilities	facility	NNS
39142	2677	19	of	of	IN
39142	2677	20	Harvard	Harvard	NNP
39142	2677	21	College	College	NNP
39142	2677	22	Observatory	Observatory	NNP
39142	2677	23	,	,	,
39142	2677	24	whose	whose	WP$
39142	2677	25	director	director	NN
39142	2677	26	,	,	,
39142	2677	27	the	the	DT
39142	2677	28	late	late	JJ
39142	2677	29	Professor	Professor	NNP
39142	2677	30	Edward	Edward	NNP
39142	2677	31	C.	C.	NNP
39142	2677	32	Pickering	Pickering	NNP
39142	2677	33	,	,	,
39142	2677	34	devoted	devote	VBD
39142	2677	35	his	-PRON-	PRP$
39142	2677	36	energies	energy	NNS
39142	2677	37	in	in	IN
39142	2677	38	very	very	RB
39142	2677	39	large	large	JJ
39142	2677	40	part	part	NN
39142	2677	41	to	to	IN
39142	2677	42	this	this	DT
39142	2677	43	matter	matter	NN
39142	2677	44	,	,	,
39142	2677	45	all	all	PDT
39142	2677	46	the	the	DT
39142	2677	47	preliminaries	preliminary	NNS
39142	2677	48	of	of	IN
39142	2677	49	the	the	DT
39142	2677	50	great	great	JJ
39142	2677	51	enterprise	enterprise	NN
39142	2677	52	were	be	VBD
39142	2677	53	worked	work	VBN
39142	2677	54	out	out	RP
39142	2677	55	,	,	,
39142	2677	56	and	and	CC
39142	2677	57	a	a	DT
39142	2677	58	comprehensive	comprehensive	JJ
39142	2677	59	program	program	NN
39142	2677	60	was	be	VBD
39142	2677	61	embarked	embark	VBN
39142	2677	62	upon	upon	IN
39142	2677	63	,	,	,
39142	2677	64	which	which	WDT
39142	2677	65	culminated	culminate	VBD
39142	2677	66	in	in	IN
39142	2677	67	the	the	DT
39142	2677	68	"	"	``
39142	2677	69	Henry	Henry	NNP
39142	2677	70	Draper	Draper	NNP
39142	2677	71	Memorial	Memorial	NNP
39142	2677	72	,	,	,
39142	2677	73	"	"	''
39142	2677	74	a	a	DT
39142	2677	75	catalogue	catalogue	NN
39142	2677	76	and	and	CC
39142	2677	77	classification	classification	NN
39142	2677	78	of	of	IN
39142	2677	79	the	the	DT
39142	2677	80	spectra	spectra	NN
39142	2677	81	of	of	IN
39142	2677	82	all	all	PDT
39142	2677	83	the	the	DT
39142	2677	84	stars	star	NNS
39142	2677	85	brighter	bright	JJR
39142	2677	86	than	than	IN
39142	2677	87	the	the	DT
39142	2677	88	ninth	ninth	JJ
39142	2677	89	magnitude	magnitude	NN
39142	2677	90	,	,	,
39142	2677	91	in	in	IN
39142	2677	92	both	both	CC
39142	2677	93	the	the	DT
39142	2677	94	northern	northern	JJ
39142	2677	95	and	and	CC
39142	2677	96	southern	southern	JJ
39142	2677	97	hemispheres	hemisphere	NNS
39142	2677	98	.	.	.
39142	2678	1	One	one	CD
39142	2678	2	very	very	RB
39142	2678	3	remarkable	remarkable	JJ
39142	2678	4	result	result	NN
39142	2678	5	from	from	IN
39142	2678	6	the	the	DT
39142	2678	7	investigation	investigation	NN
39142	2678	8	of	of	IN
39142	2678	9	large	large	JJ
39142	2678	10	numbers	number	NNS
39142	2678	11	of	of	IN
39142	2678	12	stars	star	NNS
39142	2678	13	according	accord	VBG
39142	2678	14	to	to	IN
39142	2678	15	their	-PRON-	PRP$
39142	2678	16	type	type	NN
39142	2678	17	is	be	VBZ
39142	2678	18	the	the	DT
39142	2678	19	close	close	JJ
39142	2678	20	correlation	correlation	NN
39142	2678	21	between	between	IN
39142	2678	22	a	a	DT
39142	2678	23	star	star	NN
39142	2678	24	's	's	POS
39142	2678	25	luminosity	luminosity	NN
39142	2678	26	and	and	CC
39142	2678	27	its	-PRON-	PRP$
39142	2678	28	spectral	spectral	JJ
39142	2678	29	type	type	NN
39142	2678	30	.	.	.
39142	2679	1	But	but	CC
39142	2679	2	even	even	RB
39142	2679	3	more	more	RBR
39142	2679	4	remarkable	remarkable	JJ
39142	2679	5	is	be	VBZ
39142	2679	6	the	the	DT
39142	2679	7	connection	connection	NN
39142	2679	8	between	between	IN
39142	2679	9	spectral	spectral	JJ
39142	2679	10	type	type	NN
39142	2679	11	and	and	CC
39142	2679	12	speed	speed	NN
39142	2679	13	of	of	IN
39142	2679	14	motion	motion	NN
39142	2679	15	.	.	.
39142	2680	1	As	as	RB
39142	2680	2	early	early	RB
39142	2680	3	as	as	IN
39142	2680	4	1892	1892	CD
39142	2680	5	Monck	Monck	NNP
39142	2680	6	of	of	IN
39142	2680	7	Dublin	Dublin	NNP
39142	2680	8	,	,	,
39142	2680	9	later	later	RB
39142	2680	10	Kapteyn	Kapteyn	NNP
39142	2680	11	,	,	,
39142	2680	12	and	and	CC
39142	2680	13	still	still	RB
39142	2680	14	later	later	RBR
39142	2680	15	Dyson	Dyson	NNP
39142	2680	16	,	,	,
39142	2680	17	directed	direct	VBD
39142	2680	18	attention	attention	NN
39142	2680	19	to	to	IN
39142	2680	20	the	the	DT
39142	2680	21	fact	fact	NN
39142	2680	22	that	that	IN
39142	2680	23	stars	star	NNS
39142	2680	24	of	of	IN
39142	2680	25	the	the	DT
39142	2680	26	Secchi	Secchi	NNP
39142	2680	27	type	type	NN
39142	2680	28	II	II	NNP
39142	2680	29	had	have	VBD
39142	2680	30	on	on	IN
39142	2680	31	the	the	DT
39142	2680	32	average	average	JJ
39142	2680	33	larger	large	JJR
39142	2680	34	proper	proper	JJ
39142	2680	35	motions	motion	NNS
39142	2680	36	than	than	IN
39142	2680	37	those	those	DT
39142	2680	38	of	of	IN
39142	2680	39	type	type	NN
39142	2680	40	I.	i.	NN
39142	2681	1	In	in	IN
39142	2681	2	1903	1903	CD
39142	2681	3	Frost	Frost	NNP
39142	2681	4	and	and	CC
39142	2681	5	Adams	Adams	NNP
39142	2681	6	brought	bring	VBD
39142	2681	7	out	out	RP
39142	2681	8	the	the	DT
39142	2681	9	exceptional	exceptional	JJ
39142	2681	10	character	character	NN
39142	2681	11	of	of	IN
39142	2681	12	the	the	DT
39142	2681	13	Orion	Orion	NNP
39142	2681	14	stars	star	NNS
39142	2681	15	,	,	,
39142	2681	16	the	the	DT
39142	2681	17	radial	radial	JJ
39142	2681	18	velocities	velocity	NNS
39142	2681	19	of	of	IN
39142	2681	20	twenty	twenty	CD
39142	2681	21	of	of	IN
39142	2681	22	which	which	WDT
39142	2681	23	averaged	average	VBD
39142	2681	24	only	only	RB
39142	2681	25	seven	seven	CD
39142	2681	26	kilometers	kilometer	NNS
39142	2681	27	per	per	IN
39142	2681	28	second	second	NN
39142	2681	29	.	.	.
39142	2682	1	Soon	soon	RB
39142	2682	2	after	after	RB
39142	2682	3	,	,	,
39142	2682	4	with	with	IN
39142	2682	5	the	the	DT
39142	2682	6	introduction	introduction	NN
39142	2682	7	of	of	IN
39142	2682	8	the	the	DT
39142	2682	9	two	two	CD
39142	2682	10	-	-	HYPH
39142	2682	11	stream	stream	NN
39142	2682	12	hypothesis	hypothesis	NN
39142	2682	13	,	,	,
39142	2682	14	a	a	DT
39142	2682	15	wider	wide	JJR
39142	2682	16	generalization	generalization	NN
39142	2682	17	was	be	VBD
39142	2682	18	reached	reach	VBN
39142	2682	19	by	by	IN
39142	2682	20	Campbell	Campbell	NNP
39142	2682	21	and	and	CC
39142	2682	22	Kapteyn	Kapteyn	NNP
39142	2682	23	,	,	,
39142	2682	24	whose	whose	WP$
39142	2682	25	radial	radial	JJ
39142	2682	26	velocities	velocity	NNS
39142	2682	27	showed	show	VBD
39142	2682	28	that	that	IN
39142	2682	29	the	the	DT
39142	2682	30	average	average	JJ
39142	2682	31	linear	linear	JJ
39142	2682	32	velocity	velocity	NN
39142	2682	33	increases	increase	NNS
39142	2682	34	continually	continually	RB
39142	2682	35	through	through	IN
39142	2682	36	the	the	DT
39142	2682	37	entire	entire	JJ
39142	2682	38	series	series	NN
39142	2682	39	B	B	NNP
39142	2682	40	,	,	,
39142	2682	41	A	A	NNP
39142	2682	42	,	,	,
39142	2682	43	F	F	NNP
39142	2682	44	,	,	,
39142	2682	45	G	G	NNP
39142	2682	46	,	,	,
39142	2682	47	K	K	NNP
39142	2682	48	,	,	,
39142	2682	49	M	M	NNP
39142	2682	50	,	,	,
39142	2682	51	from	from	IN
39142	2682	52	the	the	DT
39142	2682	53	earliest	early	JJS
39142	2682	54	types	type	NNS
39142	2682	55	of	of	IN
39142	2682	56	evolution	evolution	NN
39142	2682	57	to	to	IN
39142	2682	58	the	the	DT
39142	2682	59	latest	late	JJS
39142	2682	60	.	.	.
39142	2683	1	The	the	DT
39142	2683	2	younger	young	JJR
39142	2683	3	stars	star	NNS
39142	2683	4	of	of	IN
39142	2683	5	early	early	JJ
39142	2683	6	type	type	NN
39142	2683	7	have	have	VBP
39142	2683	8	velocities	velocity	NNS
39142	2683	9	of	of	IN
39142	2683	10	perhaps	perhaps	RB
39142	2683	11	five	five	CD
39142	2683	12	or	or	CC
39142	2683	13	six	six	CD
39142	2683	14	kilometers	kilometer	NNS
39142	2683	15	per	per	IN
39142	2683	16	second	second	NN
39142	2683	17	,	,	,
39142	2683	18	while	while	IN
39142	2683	19	the	the	DT
39142	2683	20	older	old	JJR
39142	2683	21	stars	star	NNS
39142	2683	22	of	of	IN
39142	2683	23	later	later	JJ
39142	2683	24	type	type	NN
39142	2683	25	have	have	VBP
39142	2683	26	velocities	velocity	NNS
39142	2683	27	nearly	nearly	RB
39142	2683	28	fourfold	fourfold	JJ
39142	2683	29	greater	great	JJR
39142	2683	30	.	.	.
39142	2684	1	The	the	DT
39142	2684	2	great	great	JJ
39142	2684	3	question	question	NN
39142	2684	4	that	that	WDT
39142	2684	5	occurs	occur	VBZ
39142	2684	6	at	at	IN
39142	2684	7	once	once	RB
39142	2684	8	is	be	VBZ
39142	2684	9	:	:	:
39142	2684	10	How	how	WRB
39142	2684	11	do	do	VB
39142	2684	12	the	the	DT
39142	2684	13	individual	individual	JJ
39142	2684	14	stars	star	NNS
39142	2684	15	get	get	VB
39142	2684	16	their	-PRON-	PRP$
39142	2684	17	motions	motion	NNS
39142	2684	18	?	?	.
39142	2685	1	The	the	DT
39142	2685	2	farther	farther	JJ
39142	2685	3	back	back	RB
39142	2685	4	we	-PRON-	PRP
39142	2685	5	go	go	VBP
39142	2685	6	in	in	IN
39142	2685	7	a	a	DT
39142	2685	8	star	star	NN
39142	2685	9	's	's	POS
39142	2685	10	life	life	NN
39142	2685	11	history	history	NN
39142	2685	12	,	,	,
39142	2685	13	the	the	DT
39142	2685	14	smaller	small	JJR
39142	2685	15	we	-PRON-	PRP
39142	2685	16	find	find	VBP
39142	2685	17	its	-PRON-	PRP$
39142	2685	18	velocity	velocity	NN
39142	2685	19	to	to	TO
39142	2685	20	be	be	VB
39142	2685	21	.	.	.
39142	2686	1	When	when	WRB
39142	2686	2	a	a	DT
39142	2686	3	star	star	NN
39142	2686	4	reaches	reach	VBZ
39142	2686	5	the	the	DT
39142	2686	6	Orion	Orion	NNP
39142	2686	7	stage	stage	NN
39142	2686	8	of	of	IN
39142	2686	9	development	development	NN
39142	2686	10	,	,	,
39142	2686	11	its	-PRON-	PRP$
39142	2686	12	velocity	velocity	NN
39142	2686	13	is	be	VBZ
39142	2686	14	only	only	RB
39142	2686	15	one	one	CD
39142	2686	16	-	-	HYPH
39142	2686	17	third	third	NN
39142	2686	18	of	of	IN
39142	2686	19	what	what	WP
39142	2686	20	it	-PRON-	PRP
39142	2686	21	may	may	MD
39142	2686	22	be	be	VB
39142	2686	23	expected	expect	VBN
39142	2686	24	to	to	TO
39142	2686	25	have	have	VB
39142	2686	26	finally	finally	RB
39142	2686	27	.	.	.
39142	2687	1	Apparently	apparently	RB
39142	2687	2	,	,	,
39142	2687	3	then	then	RB
39142	2687	4	,	,	,
39142	2687	5	the	the	DT
39142	2687	6	stars	star	NNS
39142	2687	7	at	at	IN
39142	2687	8	birth	birth	NN
39142	2687	9	have	have	VBP
39142	2687	10	no	no	DT
39142	2687	11	motion	motion	NN
39142	2687	12	,	,	,
39142	2687	13	but	but	CC
39142	2687	14	gradually	gradually	RB
39142	2687	15	acquire	acquire	VB
39142	2687	16	it	-PRON-	PRP
39142	2687	17	in	in	IN
39142	2687	18	passing	pass	VBG
39142	2687	19	through	through	IN
39142	2687	20	their	-PRON-	PRP$
39142	2687	21	several	several	JJ
39142	2687	22	types	type	NNS
39142	2687	23	or	or	CC
39142	2687	24	stages	stage	NNS
39142	2687	25	of	of	IN
39142	2687	26	development	development	NN
39142	2687	27	.	.	.
39142	2688	1	More	more	RBR
39142	2688	2	striking	striking	JJ
39142	2688	3	still	still	RB
39142	2688	4	is	be	VBZ
39142	2688	5	the	the	DT
39142	2688	6	motion	motion	NN
39142	2688	7	of	of	IN
39142	2688	8	the	the	DT
39142	2688	9	planetary	planetary	NN
39142	2688	10	nebulæ	nebulæ	NN
39142	2688	11	,	,	,
39142	2688	12	in	in	IN
39142	2688	13	excess	excess	NN
39142	2688	14	of	of	IN
39142	2688	15	25	25	CD
39142	2688	16	kilometers	kilometer	NNS
39142	2688	17	per	per	IN
39142	2688	18	second	second	NN
39142	2688	19	,	,	,
39142	2688	20	while	while	IN
39142	2688	21	type	type	NN
39142	2688	22	A	a	DT
39142	2688	23	stars	star	NNS
39142	2688	24	move	move	VBP
39142	2688	25	11	11	CD
39142	2688	26	kilometers	kilometer	NNS
39142	2688	27	,	,	,
39142	2688	28	type	type	NN
39142	2688	29	G	G	NNP
39142	2688	30	15	15	CD
39142	2688	31	kilometers	kilometer	NNS
39142	2688	32	,	,	,
39142	2688	33	and	and	CC
39142	2688	34	type	type	NN
39142	2688	35	M	M	NNP
39142	2688	36	17	17	CD
39142	2688	37	kilometers	kilometer	NNS
39142	2688	38	per	per	IN
39142	2688	39	second	second	NN
39142	2688	40	.	.	.
39142	2689	1	Can	Can	MD
39142	2689	2	the	the	DT
39142	2689	3	law	law	NN
39142	2689	4	connecting	connect	VBG
39142	2689	5	speed	speed	NN
39142	2689	6	of	of	IN
39142	2689	7	motion	motion	NN
39142	2689	8	and	and	CC
39142	2689	9	spectral	spectral	NN
39142	2689	10	type	type	NN
39142	2689	11	be	be	VB
39142	2689	12	so	so	RB
39142	2689	13	general	general	JJ
39142	2689	14	that	that	IN
39142	2689	15	the	the	DT
39142	2689	16	planetary	planetary	NN
39142	2689	17	nebula	nebula	NN
39142	2689	18	is	be	VBZ
39142	2689	19	to	to	TO
39142	2689	20	be	be	VB
39142	2689	21	regarded	regard	VBN
39142	2689	22	as	as	IN
39142	2689	23	the	the	DT
39142	2689	24	final	final	JJ
39142	2689	25	evolutionary	evolutionary	JJ
39142	2689	26	stage	stage	NN
39142	2689	27	?	?	.
39142	2690	1	Stars	star	NNS
39142	2690	2	have	have	VBP
39142	2690	3	been	be	VBN
39142	2690	4	seen	see	VBN
39142	2690	5	to	to	TO
39142	2690	6	become	become	VB
39142	2690	7	nebulæ	nebulæ	NN
39142	2690	8	,	,	,
39142	2690	9	and	and	CC
39142	2690	10	one	one	CD
39142	2690	11	astronomer	astronomer	NN
39142	2690	12	at	at	IN
39142	2690	13	least	least	JJS
39142	2690	14	is	be	VBZ
39142	2690	15	strongly	strongly	RB
39142	2690	16	of	of	IN
39142	2690	17	the	the	DT
39142	2690	18	opinion	opinion	NN
39142	2690	19	that	that	IN
39142	2690	20	a	a	DT
39142	2690	21	single	single	JJ
39142	2690	22	such	such	JJ
39142	2690	23	instance	instance	NN
39142	2690	24	ought	ought	MD
39142	2690	25	to	to	TO
39142	2690	26	outweigh	outweigh	VB
39142	2690	27	all	all	DT
39142	2690	28	speculation	speculation	NN
39142	2690	29	to	to	IN
39142	2690	30	the	the	DT
39142	2690	31	contrary	contrary	NN
39142	2690	32	,	,	,
39142	2690	33	as	as	IN
39142	2690	34	that	that	DT
39142	2690	35	stars	star	NNS
39142	2690	36	originate	originate	VBP
39142	2690	37	from	from	IN
39142	2690	38	nebulæ	nebulæ	NN
39142	2690	39	.	.	.
39142	2691	1	In	in	IN
39142	2691	2	his	-PRON-	PRP$
39142	2691	3	discussion	discussion	NN
39142	2691	4	of	of	IN
39142	2691	5	stellar	stellar	JJ
39142	2691	6	proper	proper	JJ
39142	2691	7	motions	motion	NNS
39142	2691	8	,	,	,
39142	2691	9	Boss	Boss	NNP
39142	2691	10	has	have	VBZ
39142	2691	11	reached	reach	VBN
39142	2691	12	a	a	DT
39142	2691	13	striking	striking	JJ
39142	2691	14	confirmation	confirmation	NN
39142	2691	15	of	of	IN
39142	2691	16	the	the	DT
39142	2691	17	relation	relation	NN
39142	2691	18	of	of	IN
39142	2691	19	speed	speed	NN
39142	2691	20	to	to	TO
39142	2691	21	type	type	NN
39142	2691	22	,	,	,
39142	2691	23	finding	find	VBG
39142	2691	24	for	for	IN
39142	2691	25	the	the	DT
39142	2691	26	cross	cross	NN
39142	2691	27	linear	linear	NNP
39142	2691	28	motion	motion	NN
39142	2691	29	of	of	IN
39142	2691	30	the	the	DT
39142	2691	31	different	different	JJ
39142	2691	32	types	type	NNS
39142	2691	33	a	a	DT
39142	2691	34	series	series	NN
39142	2691	35	of	of	IN
39142	2691	36	velocities	velocity	NNS
39142	2691	37	closely	closely	RB
39142	2691	38	paralleling	parallel	VBG
39142	2691	39	those	those	DT
39142	2691	40	of	of	IN
39142	2691	41	Kapteyn	Kapteyn	NNP
39142	2691	42	and	and	CC
39142	2691	43	Campbell	Campbell	NNP
39142	2691	44	.	.	.
39142	2692	1	Concerning	concern	VBG
39142	2692	2	the	the	DT
39142	2692	3	marked	mark	VBN
39142	2692	4	relation	relation	NN
39142	2692	5	of	of	IN
39142	2692	6	the	the	DT
39142	2692	7	luminosities	luminosity	NNS
39142	2692	8	of	of	IN
39142	2692	9	the	the	DT
39142	2692	10	stars	star	NNS
39142	2692	11	to	to	IN
39142	2692	12	their	-PRON-	PRP$
39142	2692	13	spectral	spectral	JJ
39142	2692	14	types	type	NNS
39142	2692	15	,	,	,
39142	2692	16	there	there	EX
39142	2692	17	is	be	VBZ
39142	2692	18	a	a	DT
39142	2692	19	pronounced	pronounced	JJ
39142	2692	20	tendency	tendency	NN
39142	2692	21	toward	toward	IN
39142	2692	22	equality	equality	NN
39142	2692	23	of	of	IN
39142	2692	24	brightness	brightness	NN
39142	2692	25	among	among	IN
39142	2692	26	stars	star	NNS
39142	2692	27	of	of	IN
39142	2692	28	a	a	DT
39142	2692	29	given	give	VBN
39142	2692	30	type	type	NN
39142	2692	31	;	;	:
39142	2692	32	also	also	RB
39142	2692	33	the	the	DT
39142	2692	34	brightness	brightness	NN
39142	2692	35	diminishes	diminish	VBZ
39142	2692	36	very	very	RB
39142	2692	37	markedly	markedly	RB
39142	2692	38	with	with	IN
39142	2692	39	advance	advance	NN
39142	2692	40	in	in	IN
39142	2692	41	the	the	DT
39142	2692	42	stage	stage	NN
39142	2692	43	of	of	IN
39142	2692	44	evolution	evolution	NN
39142	2692	45	.	.	.
39142	2693	1	There	there	EX
39142	2693	2	has	have	VBZ
39142	2693	3	been	be	VBN
39142	2693	4	much	much	JJ
39142	2693	5	discussion	discussion	NN
39142	2693	6	as	as	IN
39142	2693	7	to	to	IN
39142	2693	8	the	the	DT
39142	2693	9	order	order	NN
39142	2693	10	of	of	IN
39142	2693	11	evolution	evolution	NN
39142	2693	12	as	as	IN
39142	2693	13	related	relate	VBN
39142	2693	14	to	to	IN
39142	2693	15	the	the	DT
39142	2693	16	type	type	NN
39142	2693	17	of	of	IN
39142	2693	18	spectrum	spectrum	NN
39142	2693	19	,	,	,
39142	2693	20	and	and	CC
39142	2693	21	Russell	Russell	NNP
39142	2693	22	of	of	IN
39142	2693	23	Princeton	Princeton	NNP
39142	2693	24	has	have	VBZ
39142	2693	25	put	put	VBN
39142	2693	26	forward	forward	RP
39142	2693	27	the	the	DT
39142	2693	28	hypothesis	hypothesis	NN
39142	2693	29	of	of	IN
39142	2693	30	giant	giant	JJ
39142	2693	31	stars	star	NNS
39142	2693	32	and	and	CC
39142	2693	33	dwarf	dwarf	NN
39142	2693	34	stars	star	NNS
39142	2693	35	,	,	,
39142	2693	36	each	each	DT
39142	2693	37	spectral	spectral	JJ
39142	2693	38	type	type	NN
39142	2693	39	having	have	VBG
39142	2693	40	these	these	DT
39142	2693	41	two	two	CD
39142	2693	42	divisions	division	NNS
39142	2693	43	,	,	,
39142	2693	44	though	though	IN
39142	2693	45	not	not	RB
39142	2693	46	closely	closely	RB
39142	2693	47	related	related	JJ
39142	2693	48	.	.	.
39142	2694	1	One	one	CD
39142	2694	2	class	class	NN
39142	2694	3	embraces	embrace	VBZ
39142	2694	4	intensely	intensely	RB
39142	2694	5	luminous	luminous	JJ
39142	2694	6	stars	star	NNS
39142	2694	7	,	,	,
39142	2694	8	the	the	DT
39142	2694	9	other	other	JJ
39142	2694	10	stars	star	NNS
39142	2694	11	only	only	RB
39142	2694	12	feebly	feebly	RB
39142	2694	13	luminous	luminous	JJ
39142	2694	14	.	.	.
39142	2695	1	When	when	WRB
39142	2695	2	a	a	DT
39142	2695	3	star	star	NN
39142	2695	4	is	be	VBZ
39142	2695	5	in	in	IN
39142	2695	6	process	process	NN
39142	2695	7	of	of	IN
39142	2695	8	contraction	contraction	NN
39142	2695	9	from	from	IN
39142	2695	10	a	a	DT
39142	2695	11	diffused	diffused	JJ
39142	2695	12	gaseous	gaseous	JJ
39142	2695	13	mass	mass	NN
39142	2695	14	,	,	,
39142	2695	15	its	-PRON-	PRP$
39142	2695	16	temperature	temperature	NN
39142	2695	17	rises	rise	VBZ
39142	2695	18	,	,	,
39142	2695	19	according	accord	VBG
39142	2695	20	to	to	IN
39142	2695	21	Lane	Lane	NNP
39142	2695	22	's	's	POS
39142	2695	23	law	law	NN
39142	2695	24	,	,	,
39142	2695	25	until	until	IN
39142	2695	26	that	that	DT
39142	2695	27	density	density	NN
39142	2695	28	is	be	VBZ
39142	2695	29	reached	reach	VBN
39142	2695	30	where	where	WRB
39142	2695	31	the	the	DT
39142	2695	32	loss	loss	NN
39142	2695	33	of	of	IN
39142	2695	34	heat	heat	NN
39142	2695	35	by	by	IN
39142	2695	36	radiation	radiation	NN
39142	2695	37	exceeds	exceed	VBZ
39142	2695	38	the	the	DT
39142	2695	39	rise	rise	NN
39142	2695	40	in	in	IN
39142	2695	41	temperature	temperature	NN
39142	2695	42	due	due	IN
39142	2695	43	to	to	IN
39142	2695	44	conversion	conversion	NN
39142	2695	45	of	of	IN
39142	2695	46	gravitational	gravitational	JJ
39142	2695	47	energy	energy	NN
39142	2695	48	into	into	IN
39142	2695	49	heat	heat	NN
39142	2695	50	.	.	.
39142	2696	1	Then	then	RB
39142	2696	2	the	the	DT
39142	2696	3	star	star	NN
39142	2696	4	begins	begin	VBZ
39142	2696	5	to	to	TO
39142	2696	6	cool	cool	VB
39142	2696	7	again	again	RB
39142	2696	8	.	.	.
39142	2697	1	So	so	RB
39142	2697	2	that	that	IN
39142	2697	3	if	if	IN
39142	2697	4	the	the	DT
39142	2697	5	spectrum	spectrum	NN
39142	2697	6	of	of	IN
39142	2697	7	a	a	DT
39142	2697	8	star	star	NN
39142	2697	9	depends	depend	VBZ
39142	2697	10	mainly	mainly	RB
39142	2697	11	on	on	IN
39142	2697	12	the	the	DT
39142	2697	13	effective	effective	JJ
39142	2697	14	temperature	temperature	NN
39142	2697	15	of	of	IN
39142	2697	16	the	the	DT
39142	2697	17	body	body	NN
39142	2697	18	,	,	,
39142	2697	19	clearly	clearly	RB
39142	2697	20	the	the	DT
39142	2697	21	classification	classification	NN
39142	2697	22	of	of	IN
39142	2697	23	the	the	DT
39142	2697	24	Draper	Draper	NNP
39142	2697	25	catalogue	catalogue	NN
39142	2697	26	would	would	MD
39142	2697	27	group	group	VB
39142	2697	28	stars	star	NNS
39142	2697	29	together	together	RB
39142	2697	30	which	which	WDT
39142	2697	31	are	be	VBP
39142	2697	32	nearly	nearly	RB
39142	2697	33	alike	alike	RB
39142	2697	34	in	in	IN
39142	2697	35	temperature	temperature	NN
39142	2697	36	,	,	,
39142	2697	37	taking	take	VBG
39142	2697	38	no	no	DT
39142	2697	39	note	note	NN
39142	2697	40	as	as	IN
39142	2697	41	to	to	IN
39142	2697	42	whether	whether	IN
39142	2697	43	their	-PRON-	PRP$
39142	2697	44	present	present	JJ
39142	2697	45	temperature	temperature	NN
39142	2697	46	is	be	VBZ
39142	2697	47	rising	rise	VBG
39142	2697	48	or	or	CC
39142	2697	49	falling	fall	VBG
39142	2697	50	.	.	.
39142	2698	1	Another	another	DT
39142	2698	2	classification	classification	NN
39142	2698	3	of	of	IN
39142	2698	4	stars	star	NNS
39142	2698	5	by	by	IN
39142	2698	6	Lockyer	Lockyer	NNP
39142	2698	7	divides	divide	VBZ
39142	2698	8	them	-PRON-	PRP
39142	2698	9	according	accord	VBG
39142	2698	10	to	to	IN
39142	2698	11	ascending	ascend	VBG
39142	2698	12	and	and	CC
39142	2698	13	descending	descend	VBG
39142	2698	14	temperatures	temperature	NNS
39142	2698	15	.	.	.
39142	2699	1	Russell	Russell	NNP
39142	2699	2	's	's	POS
39142	2699	3	theory	theory	NN
39142	2699	4	would	would	MD
39142	2699	5	assign	assign	VB
39142	2699	6	the	the	DT
39142	2699	7	succession	succession	NN
39142	2699	8	of	of	IN
39142	2699	9	evolutionary	evolutionary	JJ
39142	2699	10	types	type	NNS
39142	2699	11	in	in	IN
39142	2699	12	the	the	DT
39142	2699	13	order	order	NN
39142	2699	14	,	,	,
39142	2699	15	M_{1	M_{1	NNP
39142	2699	16	}	}	-RRB-
39142	2699	17	,	,	,
39142	2699	18	K_{1	K_{1	NNP
39142	2699	19	}	}	-RRB-
39142	2699	20	,	,	,
39142	2699	21	G_{1	G_{1	NNP
39142	2699	22	}	}	-RRB-
39142	2699	23	,	,	,
39142	2699	24	F_{1	F_{1	NNP
39142	2699	25	}	}	-RRB-
39142	2699	26	,	,	,
39142	2699	27	A_{1	A_{1	NNP
39142	2699	28	}	}	-RRB-
39142	2699	29	,	,	,
39142	2699	30	B	B	NNP
39142	2699	31	,	,	,
39142	2699	32	A_{2	A_{2	NNP
39142	2699	33	}	}	-RRB-
39142	2699	34	,	,	,
39142	2699	35	F_{2	F_{2	NNP
39142	2699	36	}	}	-RRB-
39142	2699	37	,	,	,
39142	2699	38	G_{2	G_{2	NNP
39142	2699	39	}	}	-RRB-
39142	2699	40	,	,	,
39142	2699	41	K_{2	K_{2	NNP
39142	2699	42	}	}	-RRB-
39142	2699	43	,	,	,
39142	2699	44	M_{2	M_{2	NNP
39142	2699	45	}	}	-RRB-
39142	2699	46	,	,	,
39142	2699	47	the	the	DT
39142	2699	48	subscript	subscript	NN
39142	2699	49	1	1	CD
39142	2699	50	referring	refer	VBG
39142	2699	51	to	to	IN
39142	2699	52	the	the	DT
39142	2699	53	"	"	``
39142	2699	54	giants	giant	NNS
39142	2699	55	,	,	,
39142	2699	56	"	"	''
39142	2699	57	and	and	CC
39142	2699	58	2	2	CD
39142	2699	59	to	to	IN
39142	2699	60	the	the	DT
39142	2699	61	dwarf	dwarf	NN
39142	2699	62	stars	star	NNS
39142	2699	63	.	.	.
39142	2700	1	In	in	IN
39142	2700	2	large	large	JJ
39142	2700	3	part	part	NN
39142	2700	4	the	the	DT
39142	2700	5	weight	weight	NN
39142	2700	6	of	of	IN
39142	2700	7	evidence	evidence	NN
39142	2700	8	would	would	MD
39142	2700	9	appear	appear	VB
39142	2700	10	to	to	TO
39142	2700	11	favor	favor	VB
39142	2700	12	the	the	DT
39142	2700	13	order	order	NN
39142	2700	14	of	of	IN
39142	2700	15	the	the	DT
39142	2700	16	Harvard	Harvard	NNP
39142	2700	17	classification	classification	NN
39142	2700	18	,	,	,
39142	2700	19	independently	independently	RB
39142	2700	20	confirmed	confirm	VBD
39142	2700	21	as	as	IN
39142	2700	22	it	-PRON-	PRP
39142	2700	23	is	be	VBZ
39142	2700	24	by	by	IN
39142	2700	25	studies	study	NNS
39142	2700	26	of	of	IN
39142	2700	27	stellar	stellar	JJ
39142	2700	28	velocities	velocity	NNS
39142	2700	29	,	,	,
39142	2700	30	Galactic	galactic	JJ
39142	2700	31	distribution	distribution	NN
39142	2700	32	,	,	,
39142	2700	33	and	and	CC
39142	2700	34	periods	period	NNS
39142	2700	35	of	of	IN
39142	2700	36	binary	binary	JJ
39142	2700	37	stars	star	NNS
39142	2700	38	both	both	CC
39142	2700	39	spectroscopic	spectroscopic	JJ
39142	2700	40	and	and	CC
39142	2700	41	visual	visual	JJ
39142	2700	42	,	,	,
39142	2700	43	where	where	WRB
39142	2700	44	Campbell	Campbell	NNP
39142	2700	45	and	and	CC
39142	2700	46	Aiken	Aiken	NNP
39142	2700	47	find	find	VBP
39142	2700	48	a	a	DT
39142	2700	49	marked	marked	JJ
39142	2700	50	increase	increase	NN
39142	2700	51	in	in	IN
39142	2700	52	length	length	NN
39142	2700	53	of	of	IN
39142	2700	54	period	period	NN
39142	2700	55	with	with	IN
39142	2700	56	advance	advance	NN
39142	2700	57	in	in	IN
39142	2700	58	spectral	spectral	JJ
39142	2700	59	type	type	NN
39142	2700	60	.	.	.
39142	2701	1	At	at	IN
39142	2701	2	the	the	DT
39142	2701	3	same	same	JJ
39142	2701	4	time	time	NN
39142	2701	5	,	,	,
39142	2701	6	a	a	DT
39142	2701	7	vast	vast	JJ
39142	2701	8	amount	amount	NN
39142	2701	9	of	of	IN
39142	2701	10	evidence	evidence	NN
39142	2701	11	is	be	VBZ
39142	2701	12	accumulating	accumulate	VBG
39142	2701	13	in	in	IN
39142	2701	14	support	support	NN
39142	2701	15	of	of	IN
39142	2701	16	Russell	Russell	NNP
39142	2701	17	's	's	POS
39142	2701	18	theory	theory	NN
39142	2701	19	.	.	.
39142	2702	1	Investigations	investigation	NNS
39142	2702	2	in	in	IN
39142	2702	3	progress	progress	NN
39142	2702	4	will	will	MD
39142	2702	5	doubtless	doubtless	RB
39142	2702	6	reveal	reveal	VB
39142	2702	7	the	the	DT
39142	2702	8	ground	ground	NN
39142	2702	9	on	on	IN
39142	2702	10	which	which	WDT
39142	2702	11	both	both	DT
39142	2702	12	may	may	MD
39142	2702	13	be	be	VB
39142	2702	14	harmonized	harmonize	VBN
39142	2702	15	.	.	.
39142	2703	1	The	the	DT
39142	2703	2	publication	publication	NN
39142	2703	3	of	of	IN
39142	2703	4	the	the	DT
39142	2703	5	new	new	JJ
39142	2703	6	Henry	Henry	NNP
39142	2703	7	Draper	Draper	NNP
39142	2703	8	Catalogue	Catalogue	NNP
39142	2703	9	of	of	IN
39142	2703	10	Stellar	Stellar	NNP
39142	2703	11	Spectra	Spectra	NNP
39142	2703	12	is	be	VBZ
39142	2703	13	in	in	IN
39142	2703	14	progress	progress	NN
39142	2703	15	,	,	,
39142	2703	16	a	a	DT
39142	2703	17	work	work	NN
39142	2703	18	of	of	IN
39142	2703	19	vast	vast	JJ
39142	2703	20	magnitude	magnitude	NN
39142	2703	21	.	.	.
39142	2704	1	The	the	DT
39142	2704	2	great	great	JJ
39142	2704	3	catalogue	catalogue	NN
39142	2704	4	of	of	IN
39142	2704	5	thirty	thirty	CD
39142	2704	6	years	year	NNS
39142	2704	7	ago	ago	RB
39142	2704	8	embraced	embrace	VBD
39142	2704	9	the	the	DT
39142	2704	10	spectra	spectra	NN
39142	2704	11	of	of	IN
39142	2704	12	more	more	JJR
39142	2704	13	than	than	IN
39142	2704	14	ten	ten	CD
39142	2704	15	thousand	thousand	CD
39142	2704	16	stars	star	NNS
39142	2704	17	,	,	,
39142	2704	18	and	and	CC
39142	2704	19	was	be	VBD
39142	2704	20	a	a	DT
39142	2704	21	huge	huge	JJ
39142	2704	22	work	work	NN
39142	2704	23	for	for	IN
39142	2704	24	that	that	DT
39142	2704	25	day	day	NN
39142	2704	26	;	;	:
39142	2704	27	but	but	CC
39142	2704	28	the	the	DT
39142	2704	29	new	new	JJ
39142	2704	30	catalogue	catalogue	NN
39142	2704	31	utterly	utterly	RB
39142	2704	32	dwarfs	dwarf	VBZ
39142	2704	33	it	-PRON-	PRP
39142	2704	34	,	,	,
39142	2704	35	with	with	IN
39142	2704	36	a	a	DT
39142	2704	37	classification	classification	NN
39142	2704	38	much	much	RB
39142	2704	39	more	more	RBR
39142	2704	40	detailed	detailed	JJ
39142	2704	41	than	than	IN
39142	2704	42	in	in	IN
39142	2704	43	the	the	DT
39142	2704	44	earlier	early	JJR
39142	2704	45	work	work	NN
39142	2704	46	,	,	,
39142	2704	47	and	and	CC
39142	2704	48	with	with	IN
39142	2704	49	the	the	DT
39142	2704	50	number	number	NN
39142	2704	51	of	of	IN
39142	2704	52	stars	star	NNS
39142	2704	53	increased	increase	VBN
39142	2704	54	more	more	JJR
39142	2704	55	than	than	IN
39142	2704	56	twenty	twenty	RB
39142	2704	57	-	-	HYPH
39142	2704	58	fold	fold	RB
39142	2704	59	.	.	.
39142	2705	1	This	this	DT
39142	2705	2	work	work	NN
39142	2705	3	,	,	,
39142	2705	4	projected	project	VBN
39142	2705	5	by	by	IN
39142	2705	6	the	the	DT
39142	2705	7	late	late	JJ
39142	2705	8	director	director	NN
39142	2705	9	of	of	IN
39142	2705	10	the	the	DT
39142	2705	11	Harvard	Harvard	NNP
39142	2705	12	Observatory	Observatory	NNP
39142	2705	13	,	,	,
39142	2705	14	has	have	VBZ
39142	2705	15	been	be	VBN
39142	2705	16	brought	bring	VBN
39142	2705	17	to	to	IN
39142	2705	18	a	a	DT
39142	2705	19	conclusion	conclusion	NN
39142	2705	20	by	by	IN
39142	2705	21	the	the	DT
39142	2705	22	energy	energy	NN
39142	2705	23	and	and	CC
39142	2705	24	enthusiasm	enthusiasm	NN
39142	2705	25	of	of	IN
39142	2705	26	Miss	Miss	NNP
39142	2705	27	Annie	Annie	NNP
39142	2705	28	J.	J.	NNP
39142	2705	29	Cannon	Cannon	NNP
39142	2705	30	through	through	IN
39142	2705	31	six	six	CD
39142	2705	32	years	year	NNS
39142	2705	33	of	of	IN
39142	2705	34	close	close	JJ
39142	2705	35	application	application	NN
39142	2705	36	,	,	,
39142	2705	37	aided	aid	VBN
39142	2705	38	by	by	IN
39142	2705	39	many	many	JJ
39142	2705	40	assistants	assistant	NNS
39142	2705	41	.	.	.
39142	2706	1	The	the	DT
39142	2706	2	catalogue	catalogue	NN
39142	2706	3	ranges	range	VBZ
39142	2706	4	over	over	IN
39142	2706	5	the	the	DT
39142	2706	6	stars	star	NNS
39142	2706	7	of	of	IN
39142	2706	8	both	both	DT
39142	2706	9	hemispheres	hemisphere	NNS
39142	2706	10	,	,	,
39142	2706	11	and	and	CC
39142	2706	12	is	be	VBZ
39142	2706	13	a	a	DT
39142	2706	14	monument	monument	NN
39142	2706	15	to	to	IN
39142	2706	16	masterly	masterly	JJ
39142	2706	17	organization	organization	NN
39142	2706	18	and	and	CC
39142	2706	19	completed	complete	VBD
39142	2706	20	execution	execution	NN
39142	2706	21	which	which	WDT
39142	2706	22	will	will	MD
39142	2706	23	be	be	VB
39142	2706	24	of	of	IN
39142	2706	25	the	the	DT
39142	2706	26	highest	high	JJS
39142	2706	27	importance	importance	NN
39142	2706	28	and	and	CC
39142	2706	29	usefulness	usefulness	NN
39142	2706	30	in	in	IN
39142	2706	31	all	all	DT
39142	2706	32	future	future	JJ
39142	2706	33	researches	research	NNS
39142	2706	34	on	on	IN
39142	2706	35	the	the	DT
39142	2706	36	bodies	body	NNS
39142	2706	37	of	of	IN
39142	2706	38	the	the	DT
39142	2706	39	stellar	stellar	JJ
39142	2706	40	universe	universe	NN
39142	2706	41	.	.	.
39142	2707	1	CHAPTER	CHAPTER	NNP
39142	2707	2	XLVIII	XLVIII	NNP
39142	2707	3	STAR	STAR	NNP
39142	2707	4	DISTANCES	DISTANCES	NNP
39142	2707	5	So	so	RB
39142	2707	6	vast	vast	JJ
39142	2707	7	are	be	VBP
39142	2707	8	the	the	DT
39142	2707	9	distances	distance	NNS
39142	2707	10	of	of	IN
39142	2707	11	the	the	DT
39142	2707	12	stars	star	NNS
39142	2707	13	that	that	WDT
39142	2707	14	all	all	DT
39142	2707	15	attempts	attempt	NNS
39142	2707	16	of	of	IN
39142	2707	17	the	the	DT
39142	2707	18	early	early	JJ
39142	2707	19	astronomers	astronomer	NNS
39142	2707	20	to	to	TO
39142	2707	21	ascertain	ascertain	VB
39142	2707	22	them	-PRON-	PRP
39142	2707	23	necessarily	necessarily	RB
39142	2707	24	proved	prove	VBD
39142	2707	25	futile	futile	RB
39142	2707	26	.	.	.
39142	2708	1	This	this	DT
39142	2708	2	led	lead	VBD
39142	2708	3	many	many	JJ
39142	2708	4	astronomers	astronomer	NNS
39142	2708	5	after	after	IN
39142	2708	6	Copernicus	Copernicus	NNP
39142	2708	7	to	to	TO
39142	2708	8	reject	reject	VB
39142	2708	9	his	-PRON-	PRP$
39142	2708	10	doctrine	doctrine	NN
39142	2708	11	of	of	IN
39142	2708	12	the	the	DT
39142	2708	13	earth	earth	NN
39142	2708	14	's	's	POS
39142	2708	15	motion	motion	NN
39142	2708	16	round	round	IN
39142	2708	17	the	the	DT
39142	2708	18	sun	sun	NN
39142	2708	19	,	,	,
39142	2708	20	so	so	IN
39142	2708	21	that	that	IN
39142	2708	22	they	-PRON-	PRP
39142	2708	23	clung	clung	VBP
39142	2708	24	rather	rather	RB
39142	2708	25	to	to	IN
39142	2708	26	the	the	DT
39142	2708	27	Ptolemaic	Ptolemaic	NNP
39142	2708	28	view	view	NN
39142	2708	29	that	that	IN
39142	2708	30	the	the	DT
39142	2708	31	earth	earth	NN
39142	2708	32	was	be	VBD
39142	2708	33	without	without	IN
39142	2708	34	motion	motion	NN
39142	2708	35	and	and	CC
39142	2708	36	was	be	VBD
39142	2708	37	the	the	DT
39142	2708	38	center	center	NN
39142	2708	39	about	about	IN
39142	2708	40	which	which	WDT
39142	2708	41	all	all	PDT
39142	2708	42	the	the	DT
39142	2708	43	celestial	celestial	JJ
39142	2708	44	motions	motion	NNS
39142	2708	45	took	take	VBD
39142	2708	46	place	place	NN
39142	2708	47	.	.	.
39142	2709	1	The	the	DT
39142	2709	2	geometry	geometry	NN
39142	2709	3	of	of	IN
39142	2709	4	stellar	stellar	JJ
39142	2709	5	distances	distance	NNS
39142	2709	6	was	be	VBD
39142	2709	7	perfectly	perfectly	RB
39142	2709	8	understood	understand	VBN
39142	2709	9	,	,	,
39142	2709	10	and	and	CC
39142	2709	11	many	many	JJ
39142	2709	12	were	be	VBD
39142	2709	13	the	the	DT
39142	2709	14	attempts	attempt	NNS
39142	2709	15	made	make	VBN
39142	2709	16	to	to	TO
39142	2709	17	find	find	VB
39142	2709	18	the	the	DT
39142	2709	19	parallaxes	parallax	NNS
39142	2709	20	and	and	CC
39142	2709	21	distances	distance	NNS
39142	2709	22	of	of	IN
39142	2709	23	the	the	DT
39142	2709	24	stars	star	NNS
39142	2709	25	;	;	:
39142	2709	26	but	but	CC
39142	2709	27	the	the	DT
39142	2709	28	art	art	NN
39142	2709	29	of	of	IN
39142	2709	30	instrument	instrument	NN
39142	2709	31	making	making	NN
39142	2709	32	had	have	VBD
39142	2709	33	not	not	RB
39142	2709	34	yet	yet	RB
39142	2709	35	advanced	advance	VBN
39142	2709	36	to	to	IN
39142	2709	37	a	a	DT
39142	2709	38	stage	stage	NN
39142	2709	39	where	where	WRB
39142	2709	40	astronomers	astronomer	NNS
39142	2709	41	had	have	VBD
39142	2709	42	the	the	DT
39142	2709	43	mechanisms	mechanism	NNS
39142	2709	44	that	that	WDT
39142	2709	45	were	be	VBD
39142	2709	46	absolutely	absolutely	RB
39142	2709	47	necessary	necessary	JJ
39142	2709	48	to	to	TO
39142	2709	49	measure	measure	VB
39142	2709	50	very	very	RB
39142	2709	51	small	small	JJ
39142	2709	52	angles	angle	NNS
39142	2709	53	.	.	.
39142	2710	1	About	about	IN
39142	2710	2	1835	1835	CD
39142	2710	3	,	,	,
39142	2710	4	Bessel	Bessel	NNP
39142	2710	5	undertook	undertake	VBD
39142	2710	6	the	the	DT
39142	2710	7	work	work	NN
39142	2710	8	of	of	IN
39142	2710	9	determining	determine	VBG
39142	2710	10	stellar	stellar	JJ
39142	2710	11	parallax	parallax	NN
39142	2710	12	in	in	IN
39142	2710	13	earnest	earnest	NN
39142	2710	14	.	.	.
39142	2711	1	His	-PRON-	PRP$
39142	2711	2	instrument	instrument	NN
39142	2711	3	was	be	VBD
39142	2711	4	the	the	DT
39142	2711	5	heliometer	heliometer	NN
39142	2711	6	,	,	,
39142	2711	7	originally	originally	RB
39142	2711	8	designed	design	VBN
39142	2711	9	for	for	IN
39142	2711	10	measuring	measure	VBG
39142	2711	11	the	the	DT
39142	2711	12	sun	sun	NN
39142	2711	13	's	's	POS
39142	2711	14	diameter	diameter	NN
39142	2711	15	;	;	:
39142	2711	16	but	but	CC
39142	2711	17	as	as	IN
39142	2711	18	modified	modify	VBN
39142	2711	19	for	for	IN
39142	2711	20	parallax	parallax	NN
39142	2711	21	work	work	NN
39142	2711	22	it	-PRON-	PRP
39142	2711	23	is	be	VBZ
39142	2711	24	the	the	DT
39142	2711	25	most	most	RBS
39142	2711	26	accurate	accurate	JJ
39142	2711	27	of	of	IN
39142	2711	28	all	all	DT
39142	2711	29	angle	angle	NN
39142	2711	30	-	-	HYPH
39142	2711	31	measuring	measure	VBG
39142	2711	32	instruments	instrument	NNS
39142	2711	33	that	that	IN
39142	2711	34	the	the	DT
39142	2711	35	astronomers	astronomer	NNS
39142	2711	36	employ	employ	VBP
39142	2711	37	.	.	.
39142	2712	1	The	the	DT
39142	2712	2	star	star	NN
39142	2712	3	that	that	WDT
39142	2712	4	he	-PRON-	PRP
39142	2712	5	selected	select	VBD
39142	2712	6	was	be	VBD
39142	2712	7	61	61	CD
39142	2712	8	Cygni	Cygni	NNP
39142	2712	9	,	,	,
39142	2712	10	not	not	RB
39142	2712	11	a	a	DT
39142	2712	12	bright	bright	JJ
39142	2712	13	star	star	NN
39142	2712	14	,	,	,
39142	2712	15	of	of	IN
39142	2712	16	the	the	DT
39142	2712	17	sixth	sixth	JJ
39142	2712	18	magnitude	magnitude	NN
39142	2712	19	only	only	RB
39142	2712	20	,	,	,
39142	2712	21	but	but	CC
39142	2712	22	its	-PRON-	PRP$
39142	2712	23	large	large	JJ
39142	2712	24	proper	proper	JJ
39142	2712	25	motion	motion	NN
39142	2712	26	suggested	suggest	VBD
39142	2712	27	that	that	IN
39142	2712	28	it	-PRON-	PRP
39142	2712	29	might	may	MD
39142	2712	30	be	be	VB
39142	2712	31	one	one	CD
39142	2712	32	of	of	IN
39142	2712	33	those	those	DT
39142	2712	34	nearest	near	JJS
39142	2712	35	to	to	IN
39142	2712	36	us	-PRON-	PRP
39142	2712	37	.	.	.
39142	2713	1	He	-PRON-	PRP
39142	2713	2	measured	measure	VBD
39142	2713	3	with	with	IN
39142	2713	4	the	the	DT
39142	2713	5	heliometer	heliometer	NN
39142	2713	6	,	,	,
39142	2713	7	at	at	IN
39142	2713	8	opposite	opposite	JJ
39142	2713	9	seasons	season	NNS
39142	2713	10	of	of	IN
39142	2713	11	the	the	DT
39142	2713	12	year	year	NN
39142	2713	13	,	,	,
39142	2713	14	the	the	DT
39142	2713	15	distance	distance	NN
39142	2713	16	of	of	IN
39142	2713	17	61	61	CD
39142	2713	18	Cygni	Cygni	NNP
39142	2713	19	from	from	IN
39142	2713	20	another	another	DT
39142	2713	21	and	and	CC
39142	2713	22	very	very	RB
39142	2713	23	small	small	JJ
39142	2713	24	star	star	NN
39142	2713	25	in	in	IN
39142	2713	26	the	the	DT
39142	2713	27	same	same	JJ
39142	2713	28	field	field	NN
39142	2713	29	of	of	IN
39142	2713	30	view	view	NN
39142	2713	31	,	,	,
39142	2713	32	and	and	CC
39142	2713	33	thus	thus	RB
39142	2713	34	determined	determine	VBD
39142	2713	35	the	the	DT
39142	2713	36	relative	relative	JJ
39142	2713	37	parallax	parallax	NN
39142	2713	38	of	of	IN
39142	2713	39	the	the	DT
39142	2713	40	two	two	CD
39142	2713	41	stars	star	NNS
39142	2713	42	.	.	.
39142	2714	1	The	the	DT
39142	2714	2	assumption	assumption	NN
39142	2714	3	was	be	VBD
39142	2714	4	made	make	VBN
39142	2714	5	that	that	IN
39142	2714	6	the	the	DT
39142	2714	7	very	very	RB
39142	2714	8	faint	faint	JJ
39142	2714	9	star	star	NN
39142	2714	10	was	be	VBD
39142	2714	11	very	very	RB
39142	2714	12	much	much	RB
39142	2714	13	more	more	RBR
39142	2714	14	distant	distant	JJ
39142	2714	15	than	than	IN
39142	2714	16	the	the	DT
39142	2714	17	bright	bright	JJ
39142	2714	18	one	one	NN
39142	2714	19	,	,	,
39142	2714	20	and	and	CC
39142	2714	21	this	this	DT
39142	2714	22	assumption	assumption	NN
39142	2714	23	will	will	MD
39142	2714	24	usually	usually	RB
39142	2714	25	turn	turn	VB
39142	2714	26	out	out	RP
39142	2714	27	to	to	TO
39142	2714	28	be	be	VB
39142	2714	29	sound	sound	JJ
39142	2714	30	.	.	.
39142	2715	1	Bessel	Bessel	NNP
39142	2715	2	got	get	VBD
39142	2715	3	0".35	0".35	CD
39142	2715	4	for	for	IN
39142	2715	5	his	-PRON-	PRP$
39142	2715	6	parallax	parallax	NN
39142	2715	7	of	of	IN
39142	2715	8	61	61	CD
39142	2715	9	Cygni	Cygni	NNP
39142	2715	10	,	,	,
39142	2715	11	and	and	CC
39142	2715	12	Struve	Struve	NNP
39142	2715	13	by	by	IN
39142	2715	14	applying	apply	VBG
39142	2715	15	the	the	DT
39142	2715	16	same	same	JJ
39142	2715	17	method	method	NN
39142	2715	18	to	to	IN
39142	2715	19	Alpha	Alpha	NNP
39142	2715	20	Lyræ	Lyræ	NNP
39142	2715	21	,	,	,
39142	2715	22	about	about	IN
39142	2715	23	the	the	DT
39142	2715	24	same	same	JJ
39142	2715	25	time	time	NN
39142	2715	26	,	,	,
39142	2715	27	got	get	VBD
39142	2715	28	0".25	0".25	CD
39142	2715	29	for	for	IN
39142	2715	30	the	the	DT
39142	2715	31	parallax	parallax	NN
39142	2715	32	of	of	IN
39142	2715	33	that	that	DT
39142	2715	34	star	star	NN
39142	2715	35	.	.	.
39142	2716	1	These	these	DT
39142	2716	2	classic	classic	JJ
39142	2716	3	researches	research	NNS
39142	2716	4	of	of	IN
39142	2716	5	Bessel	Bessel	NNP
39142	2716	6	and	and	CC
39142	2716	7	Struve	Struve	NNP
39142	2716	8	are	be	VBP
39142	2716	9	the	the	DT
39142	2716	10	most	most	RBS
39142	2716	11	important	important	JJ
39142	2716	12	in	in	IN
39142	2716	13	the	the	DT
39142	2716	14	history	history	NN
39142	2716	15	of	of	IN
39142	2716	16	star	star	NN
39142	2716	17	distances	distance	NNS
39142	2716	18	,	,	,
39142	2716	19	because	because	IN
39142	2716	20	they	-PRON-	PRP
39142	2716	21	were	be	VBD
39142	2716	22	the	the	DT
39142	2716	23	first	first	JJ
39142	2716	24	to	to	TO
39142	2716	25	prove	prove	VB
39142	2716	26	that	that	DT
39142	2716	27	stellar	stellar	JJ
39142	2716	28	parallax	parallax	NN
39142	2716	29	,	,	,
39142	2716	30	although	although	IN
39142	2716	31	minute	minute	NN
39142	2716	32	,	,	,
39142	2716	33	could	could	MD
39142	2716	34	nevertheless	nevertheless	RB
39142	2716	35	be	be	VB
39142	2716	36	actually	actually	RB
39142	2716	37	measured	measure	VBN
39142	2716	38	.	.	.
39142	2717	1	About	about	RB
39142	2717	2	the	the	DT
39142	2717	3	same	same	JJ
39142	2717	4	time	time	NN
39142	2717	5	success	success	NN
39142	2717	6	was	be	VBD
39142	2717	7	achieved	achieve	VBN
39142	2717	8	in	in	IN
39142	2717	9	another	another	DT
39142	2717	10	quarter	quarter	NN
39142	2717	11	,	,	,
39142	2717	12	and	and	CC
39142	2717	13	Henderson	Henderson	NNP
39142	2717	14	,	,	,
39142	2717	15	the	the	DT
39142	2717	16	British	british	JJ
39142	2717	17	astronomer	astronomer	NN
39142	2717	18	at	at	IN
39142	2717	19	the	the	DT
39142	2717	20	Cape	Cape	NNP
39142	2717	21	of	of	IN
39142	2717	22	Good	Good	NNP
39142	2717	23	Hope	Hope	NNP
39142	2717	24	,	,	,
39142	2717	25	found	find	VBD
39142	2717	26	a	a	DT
39142	2717	27	parallax	parallax	NN
39142	2717	28	of	of	IN
39142	2717	29	nearly	nearly	RB
39142	2717	30	a	a	DT
39142	2717	31	whole	whole	JJ
39142	2717	32	second	second	NN
39142	2717	33	for	for	IN
39142	2717	34	the	the	DT
39142	2717	35	bright	bright	JJ
39142	2717	36	star	star	NN
39142	2717	37	Alpha	Alpha	NNP
39142	2717	38	Centauri	Centauri	NNP
39142	2717	39	.	.	.
39142	2718	1	Although	although	IN
39142	2718	2	the	the	DT
39142	2718	3	parallaxes	parallax	NNS
39142	2718	4	of	of	IN
39142	2718	5	many	many	JJ
39142	2718	6	hundreds	hundred	NNS
39142	2718	7	of	of	IN
39142	2718	8	stars	star	NNS
39142	2718	9	have	have	VBP
39142	2718	10	been	be	VBN
39142	2718	11	measured	measure	VBN
39142	2718	12	since	since	RB
39142	2718	13	,	,	,
39142	2718	14	and	and	CC
39142	2718	15	the	the	DT
39142	2718	16	parallaxes	parallax	NNS
39142	2718	17	of	of	IN
39142	2718	18	other	other	JJ
39142	2718	19	thousands	thousand	NNS
39142	2718	20	of	of	IN
39142	2718	21	stars	star	NNS
39142	2718	22	estimated	estimate	VBN
39142	2718	23	,	,	,
39142	2718	24	the	the	DT
39142	2718	25	measured	measure	VBN
39142	2718	26	parallax	parallax	NN
39142	2718	27	of	of	IN
39142	2718	28	Alpha	Alpha	NNP
39142	2718	29	Centauri	Centauri	NNP
39142	2718	30	,	,	,
39142	2718	31	as	as	IN
39142	2718	32	later	later	RB
39142	2718	33	investigated	investigate	VBN
39142	2718	34	by	by	IN
39142	2718	35	Elkin	Elkin	NNP
39142	2718	36	and	and	CC
39142	2718	37	Sir	Sir	NNP
39142	2718	38	David	David	NNP
39142	2718	39	Gill	Gill	NNP
39142	2718	40	,	,	,
39142	2718	41	and	and	CC
39142	2718	42	found	find	VBD
39142	2718	43	to	to	TO
39142	2718	44	be	be	VB
39142	2718	45	0".75	0".75	CD
39142	2718	46	,	,	,
39142	2718	47	is	be	VBZ
39142	2718	48	the	the	DT
39142	2718	49	largest	large	JJS
39142	2718	50	known	know	VBN
39142	2718	51	parallax	parallax	NN
39142	2718	52	,	,	,
39142	2718	53	and	and	CC
39142	2718	54	therefore	therefore	RB
39142	2718	55	Alpha	Alpha	NNP
39142	2718	56	Centauri	Centauri	NNP
39142	2718	57	is	be	VBZ
39142	2718	58	our	-PRON-	PRP$
39142	2718	59	nearest	near	JJS
39142	2718	60	neighbor	neighbor	NN
39142	2718	61	among	among	IN
39142	2718	62	the	the	DT
39142	2718	63	stars	star	NNS
39142	2718	64	,	,	,
39142	2718	65	so	so	RB
39142	2718	66	far	far	RB
39142	2718	67	as	as	IN
39142	2718	68	we	-PRON-	PRP
39142	2718	69	yet	yet	RB
39142	2718	70	know	know	VBP
39142	2718	71	.	.	.
39142	2719	1	This	this	DT
39142	2719	2	star	star	NN
39142	2719	3	is	be	VBZ
39142	2719	4	a	a	DT
39142	2719	5	binary	binary	JJ
39142	2719	6	system	system	NN
39142	2719	7	and	and	CC
39142	2719	8	the	the	DT
39142	2719	9	light	light	NN
39142	2719	10	of	of	IN
39142	2719	11	the	the	DT
39142	2719	12	two	two	CD
39142	2719	13	components	component	NNS
39142	2719	14	together	together	RB
39142	2719	15	is	be	VBZ
39142	2719	16	about	about	RB
39142	2719	17	the	the	DT
39142	2719	18	same	same	JJ
39142	2719	19	as	as	IN
39142	2719	20	that	that	DT
39142	2719	21	of	of	IN
39142	2719	22	Capella	Capella	NNP
39142	2719	23	(	(	-LRB-
39142	2719	24	Alpha	Alpha	NNP
39142	2719	25	Aurigæ	Aurigæ	NNP
39142	2719	26	)	)	-RRB-
39142	2719	27	.	.	.
39142	2720	1	But	but	CC
39142	2720	2	it	-PRON-	PRP
39142	2720	3	is	be	VBZ
39142	2720	4	never	never	RB
39142	2720	5	visible	visible	JJ
39142	2720	6	from	from	IN
39142	2720	7	this	this	DT
39142	2720	8	part	part	NN
39142	2720	9	of	of	IN
39142	2720	10	the	the	DT
39142	2720	11	world	world	NN
39142	2720	12	,	,	,
39142	2720	13	being	be	VBG
39142	2720	14	in	in	IN
39142	2720	15	60	60	CD
39142	2720	16	degrees	degree	NNS
39142	2720	17	of	of	IN
39142	2720	18	south	south	JJ
39142	2720	19	declination	declination	NN
39142	2720	20	:	:	:
39142	2720	21	one	one	PRP
39142	2720	22	might	may	MD
39142	2720	23	just	just	RB
39142	2720	24	glimpse	glimpse	VB
39142	2720	25	it	-PRON-	PRP
39142	2720	26	near	near	IN
39142	2720	27	the	the	DT
39142	2720	28	southern	southern	JJ
39142	2720	29	horizon	horizon	NN
39142	2720	30	from	from	IN
39142	2720	31	Key	Key	NNP
39142	2720	32	West	West	NNP
39142	2720	33	.	.	.
39142	2721	1	How	how	WRB
39142	2721	2	the	the	DT
39142	2721	3	distances	distance	NNS
39142	2721	4	of	of	IN
39142	2721	5	the	the	DT
39142	2721	6	stars	star	NNS
39142	2721	7	are	be	VBP
39142	2721	8	found	find	VBN
39142	2721	9	is	be	VBZ
39142	2721	10	not	not	RB
39142	2721	11	difficult	difficult	JJ
39142	2721	12	to	to	TO
39142	2721	13	explain	explain	VB
39142	2721	14	,	,	,
39142	2721	15	although	although	IN
39142	2721	16	the	the	DT
39142	2721	17	method	method	NN
39142	2721	18	of	of	IN
39142	2721	19	doing	do	VBG
39142	2721	20	it	-PRON-	PRP
39142	2721	21	involves	involve	VBZ
39142	2721	22	a	a	DT
39142	2721	23	good	good	JJ
39142	2721	24	deal	deal	NN
39142	2721	25	of	of	IN
39142	2721	26	complication	complication	NN
39142	2721	27	,	,	,
39142	2721	28	interesting	interesting	JJ
39142	2721	29	to	to	IN
39142	2721	30	the	the	DT
39142	2721	31	practical	practical	JJ
39142	2721	32	astronomer	astronomer	NN
39142	2721	33	only	only	RB
39142	2721	34	.	.	.
39142	2722	1	Recall	recall	VB
39142	2722	2	the	the	DT
39142	2722	3	method	method	NN
39142	2722	4	of	of	IN
39142	2722	5	getting	get	VBG
39142	2722	6	the	the	DT
39142	2722	7	moon	moon	NN
39142	2722	8	's	's	POS
39142	2722	9	distance	distance	NN
39142	2722	10	from	from	IN
39142	2722	11	the	the	DT
39142	2722	12	earth	earth	NN
39142	2722	13	:	:	:
39142	2722	14	it	-PRON-	PRP
39142	2722	15	was	be	VBD
39142	2722	16	done	do	VBN
39142	2722	17	by	by	IN
39142	2722	18	measuring	measure	VBG
39142	2722	19	her	-PRON-	PRP$
39142	2722	20	displacement	displacement	NN
39142	2722	21	among	among	IN
39142	2722	22	the	the	DT
39142	2722	23	stars	star	NNS
39142	2722	24	as	as	IN
39142	2722	25	seen	see	VBN
39142	2722	26	from	from	IN
39142	2722	27	two	two	CD
39142	2722	28	widely	widely	RB
39142	2722	29	separated	separate	VBN
39142	2722	30	observatories	observatory	NNS
39142	2722	31	,	,	,
39142	2722	32	as	as	IN
39142	2722	33	near	near	IN
39142	2722	34	the	the	DT
39142	2722	35	ends	end	NNS
39142	2722	36	of	of	IN
39142	2722	37	a	a	DT
39142	2722	38	diameter	diameter	NN
39142	2722	39	of	of	IN
39142	2722	40	the	the	DT
39142	2722	41	earth	earth	NN
39142	2722	42	as	as	RB
39142	2722	43	convenient	convenient	JJ
39142	2722	44	.	.	.
39142	2723	1	This	this	DT
39142	2723	2	is	be	VBZ
39142	2723	3	the	the	DT
39142	2723	4	base	base	NN
39142	2723	5	line	line	NN
39142	2723	6	,	,	,
39142	2723	7	and	and	CC
39142	2723	8	the	the	DT
39142	2723	9	angle	angle	NN
39142	2723	10	which	which	WDT
39142	2723	11	a	a	DT
39142	2723	12	radius	radius	NN
39142	2723	13	of	of	IN
39142	2723	14	the	the	DT
39142	2723	15	earth	earth	NN
39142	2723	16	as	as	IN
39142	2723	17	seen	see	VBN
39142	2723	18	from	from	IN
39142	2723	19	the	the	DT
39142	2723	20	center	center	NN
39142	2723	21	of	of	IN
39142	2723	22	the	the	DT
39142	2723	23	moon	moon	NN
39142	2723	24	fills	fill	VBZ
39142	2723	25	,	,	,
39142	2723	26	or	or	CC
39142	2723	27	subtends	subtend	NNS
39142	2723	28	,	,	,
39142	2723	29	is	be	VBZ
39142	2723	30	the	the	DT
39142	2723	31	moon	moon	NN
39142	2723	32	's	's	POS
39142	2723	33	parallax	parallax	NN
39142	2723	34	.	.	.
39142	2724	1	So	so	CC
39142	2724	2	near	near	RB
39142	2724	3	is	be	VBZ
39142	2724	4	the	the	DT
39142	2724	5	moon	moon	NN
39142	2724	6	that	that	IN
39142	2724	7	this	this	DT
39142	2724	8	angle	angle	NN
39142	2724	9	is	be	VBZ
39142	2724	10	almost	almost	RB
39142	2724	11	an	an	DT
39142	2724	12	entire	entire	JJ
39142	2724	13	degree	degree	NN
39142	2724	14	,	,	,
39142	2724	15	and	and	CC
39142	2724	16	therefore	therefore	RB
39142	2724	17	not	not	RB
39142	2724	18	at	at	RB
39142	2724	19	all	all	RB
39142	2724	20	difficult	difficult	JJ
39142	2724	21	to	to	TO
39142	2724	22	measure	measure	VB
39142	2724	23	.	.	.
39142	2725	1	But	but	CC
39142	2725	2	if	if	IN
39142	2725	3	we	-PRON-	PRP
39142	2725	4	go	go	VBP
39142	2725	5	to	to	IN
39142	2725	6	the	the	DT
39142	2725	7	distance	distance	NN
39142	2725	8	of	of	IN
39142	2725	9	even	even	RB
39142	2725	10	Alpha	Alpha	NNP
39142	2725	11	Centauri	Centauri	NNP
39142	2725	12	,	,	,
39142	2725	13	the	the	DT
39142	2725	14	nearest	near	JJS
39142	2725	15	of	of	IN
39142	2725	16	the	the	DT
39142	2725	17	stars	star	NNS
39142	2725	18	,	,	,
39142	2725	19	our	-PRON-	PRP$
39142	2725	20	earth	earth	NN
39142	2725	21	shrinks	shrink	NNS
39142	2725	22	to	to	IN
39142	2725	23	invisibility	invisibility	NN
39142	2725	24	;	;	:
39142	2725	25	so	so	IN
39142	2725	26	that	that	IN
39142	2725	27	we	-PRON-	PRP
39142	2725	28	must	must	MD
39142	2725	29	seek	seek	VB
39142	2725	30	a	a	DT
39142	2725	31	longer	long	JJR
39142	2725	32	base	base	NN
39142	2725	33	line	line	NN
39142	2725	34	.	.	.
39142	2726	1	Fortunately	fortunately	RB
39142	2726	2	there	there	EX
39142	2726	3	is	be	VBZ
39142	2726	4	one	one	CD
39142	2726	5	,	,	,
39142	2726	6	but	but	CC
39142	2726	7	although	although	IN
39142	2726	8	its	-PRON-	PRP$
39142	2726	9	length	length	NN
39142	2726	10	is	be	VBZ
39142	2726	11	25,000	25,000	CD
39142	2726	12	times	time	NNS
39142	2726	13	the	the	DT
39142	2726	14	earth	earth	NN
39142	2726	15	's	's	POS
39142	2726	16	diameter	diameter	NN
39142	2726	17	,	,	,
39142	2726	18	it	-PRON-	PRP
39142	2726	19	is	be	VBZ
39142	2726	20	only	only	RB
39142	2726	21	just	just	RB
39142	2726	22	long	long	RB
39142	2726	23	enough	enough	RB
39142	2726	24	to	to	TO
39142	2726	25	make	make	VB
39142	2726	26	the	the	DT
39142	2726	27	star	star	NN
39142	2726	28	distances	distance	NNS
39142	2726	29	measurable	measurable	JJ
39142	2726	30	.	.	.
39142	2727	1	We	-PRON-	PRP
39142	2727	2	found	find	VBD
39142	2727	3	that	that	IN
39142	2727	4	the	the	DT
39142	2727	5	sun	sun	NN
39142	2727	6	's	's	POS
39142	2727	7	distance	distance	NN
39142	2727	8	from	from	IN
39142	2727	9	the	the	DT
39142	2727	10	earth	earth	NN
39142	2727	11	was	be	VBD
39142	2727	12	93	93	CD
39142	2727	13	million	million	CD
39142	2727	14	miles	mile	NNS
39142	2727	15	;	;	:
39142	2727	16	the	the	DT
39142	2727	17	diameter	diameter	NN
39142	2727	18	of	of	IN
39142	2727	19	the	the	DT
39142	2727	20	earth	earth	NN
39142	2727	21	's	's	POS
39142	2727	22	orbit	orbit	NN
39142	2727	23	is	be	VBZ
39142	2727	24	therefore	therefore	RB
39142	2727	25	double	double	JJ
39142	2727	26	that	that	DT
39142	2727	27	amount	amount	NN
39142	2727	28	.	.	.
39142	2728	1	Now	now	RB
39142	2728	2	conceive	conceive	VB
39142	2728	3	the	the	DT
39142	2728	4	diameter	diameter	NN
39142	2728	5	of	of	IN
39142	2728	6	the	the	DT
39142	2728	7	earth	earth	NN
39142	2728	8	replaced	replace	VBN
39142	2728	9	by	by	IN
39142	2728	10	the	the	DT
39142	2728	11	diameter	diameter	NN
39142	2728	12	of	of	IN
39142	2728	13	the	the	DT
39142	2728	14	earth	earth	NN
39142	2728	15	's	's	POS
39142	2728	16	orbit	orbit	NN
39142	2728	17	:	:	:
39142	2728	18	by	by	IN
39142	2728	19	our	-PRON-	PRP$
39142	2728	20	motion	motion	NN
39142	2728	21	round	round	IN
39142	2728	22	the	the	DT
39142	2728	23	sun	sun	NN
39142	2728	24	we	-PRON-	PRP
39142	2728	25	are	be	VBP
39142	2728	26	transported	transport	VBN
39142	2728	27	from	from	IN
39142	2728	28	one	one	CD
39142	2728	29	extremity	extremity	NN
39142	2728	30	of	of	IN
39142	2728	31	this	this	DT
39142	2728	32	diameter	diameter	NN
39142	2728	33	to	to	IN
39142	2728	34	the	the	DT
39142	2728	35	opposite	opposite	JJ
39142	2728	36	one	one	CD
39142	2728	37	in	in	IN
39142	2728	38	six	six	CD
39142	2728	39	month	month	NN
39142	2728	40	's	's	POS
39142	2728	41	time	time	NN
39142	2728	42	;	;	:
39142	2728	43	so	so	CC
39142	2728	44	we	-PRON-	PRP
39142	2728	45	may	may	MD
39142	2728	46	measure	measure	VB
39142	2728	47	the	the	DT
39142	2728	48	displacement	displacement	NN
39142	2728	49	of	of	IN
39142	2728	50	a	a	DT
39142	2728	51	star	star	NN
39142	2728	52	from	from	IN
39142	2728	53	these	these	DT
39142	2728	54	two	two	CD
39142	2728	55	extremities	extremity	NNS
39142	2728	56	,	,	,
39142	2728	57	and	and	CC
39142	2728	58	half	half	PDT
39142	2728	59	this	this	DT
39142	2728	60	displacement	displacement	NN
39142	2728	61	will	will	MD
39142	2728	62	be	be	VB
39142	2728	63	the	the	DT
39142	2728	64	star	star	NN
39142	2728	65	's	's	POS
39142	2728	66	parallax	parallax	NN
39142	2728	67	,	,	,
39142	2728	68	often	often	RB
39142	2728	69	called	call	VBD
39142	2728	70	the	the	DT
39142	2728	71	annual	annual	JJ
39142	2728	72	parallax	parallax	NN
39142	2728	73	because	because	IN
39142	2728	74	a	a	DT
39142	2728	75	year	year	NN
39142	2728	76	is	be	VBZ
39142	2728	77	consumed	consume	VBN
39142	2728	78	in	in	IN
39142	2728	79	traversing	traverse	VBG
39142	2728	80	its	-PRON-	PRP$
39142	2728	81	period	period	NN
39142	2728	82	.	.	.
39142	2729	1	And	and	CC
39142	2729	2	it	-PRON-	PRP
39142	2729	3	is	be	VBZ
39142	2729	4	this	this	DT
39142	2729	5	very	very	RB
39142	2729	6	minute	minute	JJ
39142	2729	7	angle	angle	NN
39142	2729	8	which	which	WDT
39142	2729	9	Bessel	Bessel	NNP
39142	2729	10	and	and	CC
39142	2729	11	Struve	Struve	NNP
39142	2729	12	were	be	VBD
39142	2729	13	the	the	DT
39142	2729	14	first	first	JJ
39142	2729	15	to	to	TO
39142	2729	16	measure	measure	VB
39142	2729	17	with	with	IN
39142	2729	18	certainty	certainty	NN
39142	2729	19	,	,	,
39142	2729	20	and	and	CC
39142	2729	21	which	which	WDT
39142	2729	22	Henderson	Henderson	NNP
39142	2729	23	found	find	VBD
39142	2729	24	to	to	TO
39142	2729	25	be	be	VB
39142	2729	26	in	in	IN
39142	2729	27	the	the	DT
39142	2729	28	case	case	NN
39142	2729	29	of	of	IN
39142	2729	30	Alpha	Alpha	NNP
39142	2729	31	Centauri	Centauri	NNP
39142	2729	32	the	the	DT
39142	2729	33	largest	large	JJS
39142	2729	34	yet	yet	RB
39142	2729	35	known	know	VBN
39142	2729	36	.	.	.
39142	2730	1	Evidently	evidently	RB
39142	2730	2	the	the	DT
39142	2730	3	earth	earth	NN
39142	2730	4	by	by	IN
39142	2730	5	its	-PRON-	PRP$
39142	2730	6	motion	motion	NN
39142	2730	7	round	round	IN
39142	2730	8	the	the	DT
39142	2730	9	sun	sun	NN
39142	2730	10	makes	make	VBZ
39142	2730	11	every	every	DT
39142	2730	12	star	star	NN
39142	2730	13	describe	describe	VB
39142	2730	14	,	,	,
39142	2730	15	a	a	DT
39142	2730	16	little	little	JJ
39142	2730	17	parallactic	parallactic	JJ
39142	2730	18	ellipse	ellipse	NN
39142	2730	19	;	;	:
39142	2730	20	the	the	DT
39142	2730	21	nearer	nearer	NN
39142	2730	22	the	the	DT
39142	2730	23	star	star	NN
39142	2730	24	is	be	VBZ
39142	2730	25	the	the	DT
39142	2730	26	larger	large	JJR
39142	2730	27	this	this	DT
39142	2730	28	ellipse	ellipse	NN
39142	2730	29	will	will	MD
39142	2730	30	be	be	VB
39142	2730	31	,	,	,
39142	2730	32	and	and	CC
39142	2730	33	the	the	DT
39142	2730	34	farther	far	RBR
39142	2730	35	the	the	DT
39142	2730	36	star	star	NN
39142	2730	37	the	the	DT
39142	2730	38	smaller	small	JJR
39142	2730	39	:	:	:
39142	2730	40	if	if	IN
39142	2730	41	the	the	DT
39142	2730	42	star	star	NN
39142	2730	43	were	be	VBD
39142	2730	44	at	at	IN
39142	2730	45	an	an	DT
39142	2730	46	infinite	infinite	JJ
39142	2730	47	distance	distance	NN
39142	2730	48	,	,	,
39142	2730	49	its	-PRON-	PRP$
39142	2730	50	ellipse	ellipse	NN
39142	2730	51	would	would	MD
39142	2730	52	become	become	VB
39142	2730	53	a	a	DT
39142	2730	54	point	point	NN
39142	2730	55	,	,	,
39142	2730	56	that	that	RB
39142	2730	57	is	is	RB
39142	2730	58	,	,	,
39142	2730	59	if	if	IN
39142	2730	60	we	-PRON-	PRP
39142	2730	61	imagine	imagine	VBP
39142	2730	62	ourselves	-PRON-	PRP
39142	2730	63	occupying	occupy	VBG
39142	2730	64	the	the	DT
39142	2730	65	position	position	NN
39142	2730	66	of	of	IN
39142	2730	67	the	the	DT
39142	2730	68	star	star	NN
39142	2730	69	,	,	,
39142	2730	70	even	even	RB
39142	2730	71	the	the	DT
39142	2730	72	vast	vast	JJ
39142	2730	73	orbit	orbit	NN
39142	2730	74	of	of	IN
39142	2730	75	the	the	DT
39142	2730	76	earth	earth	NN
39142	2730	77	,	,	,
39142	2730	78	186	186	CD
39142	2730	79	million	million	CD
39142	2730	80	miles	mile	NNS
39142	2730	81	across	across	RB
39142	2730	82	,	,	,
39142	2730	83	would	would	MD
39142	2730	84	shrink	shrink	VB
39142	2730	85	to	to	IN
39142	2730	86	invisibility	invisibility	NN
39142	2730	87	or	or	CC
39142	2730	88	become	become	VB
39142	2730	89	a	a	DT
39142	2730	90	mathematical	mathematical	JJ
39142	2730	91	point	point	NN
39142	2730	92	.	.	.
39142	2731	1	Measurement	Measurement	NNP
39142	2731	2	of	of	IN
39142	2731	3	stellar	stellar	JJ
39142	2731	4	parallax	parallax	NN
39142	2731	5	is	be	VBZ
39142	2731	6	one	one	CD
39142	2731	7	of	of	IN
39142	2731	8	many	many	JJ
39142	2731	9	problems	problem	NNS
39142	2731	10	of	of	IN
39142	2731	11	exceeding	exceed	VBG
39142	2731	12	difficulty	difficulty	NN
39142	2731	13	that	that	WDT
39142	2731	14	confront	confront	VBP
39142	2731	15	the	the	DT
39142	2731	16	practical	practical	JJ
39142	2731	17	astronomer	astronomer	NN
39142	2731	18	.	.	.
39142	2732	1	But	but	CC
39142	2732	2	the	the	DT
39142	2732	3	actual	actual	JJ
39142	2732	4	research	research	NN
39142	2732	5	nowadays	nowadays	RB
39142	2732	6	is	be	VBZ
39142	2732	7	greatly	greatly	RB
39142	2732	8	simplified	simplify	VBN
39142	2732	9	by	by	IN
39142	2732	10	photography	photography	NN
39142	2732	11	,	,	,
39142	2732	12	which	which	WDT
39142	2732	13	enables	enable	VBZ
39142	2732	14	the	the	DT
39142	2732	15	astronomer	astronomer	NN
39142	2732	16	to	to	TO
39142	2732	17	select	select	VB
39142	2732	18	times	time	NNS
39142	2732	19	when	when	WRB
39142	2732	20	the	the	DT
39142	2732	21	air	air	NN
39142	2732	22	is	be	VBZ
39142	2732	23	not	not	RB
39142	2732	24	only	only	RB
39142	2732	25	clear	clear	JJ
39142	2732	26	,	,	,
39142	2732	27	but	but	CC
39142	2732	28	very	very	RB
39142	2732	29	steady	steady	JJ
39142	2732	30	for	for	IN
39142	2732	31	making	make	VBG
39142	2732	32	the	the	DT
39142	2732	33	exposures	exposure	NNS
39142	2732	34	.	.	.
39142	2733	1	Development	development	NN
39142	2733	2	and	and	CC
39142	2733	3	measurement	measurement	NN
39142	2733	4	of	of	IN
39142	2733	5	the	the	DT
39142	2733	6	plates	plate	NNS
39142	2733	7	can	can	MD
39142	2733	8	then	then	RB
39142	2733	9	be	be	VB
39142	2733	10	done	do	VBN
39142	2733	11	at	at	IN
39142	2733	12	any	any	DT
39142	2733	13	time	time	NN
39142	2733	14	.	.	.
39142	2734	1	Pritchard	Pritchard	NNP
39142	2734	2	of	of	IN
39142	2734	3	Oxford	Oxford	NNP
39142	2734	4	,	,	,
39142	2734	5	England	England	NNP
39142	2734	6	,	,	,
39142	2734	7	was	be	VBD
39142	2734	8	among	among	IN
39142	2734	9	the	the	DT
39142	2734	10	earliest	early	JJS
39142	2734	11	to	to	TO
39142	2734	12	appreciate	appreciate	VB
39142	2734	13	the	the	DT
39142	2734	14	advantages	advantage	NNS
39142	2734	15	of	of	IN
39142	2734	16	photography	photography	NN
39142	2734	17	in	in	IN
39142	2734	18	parallax	parallax	NN
39142	2734	19	work	work	NN
39142	2734	20	,	,	,
39142	2734	21	and	and	CC
39142	2734	22	Schlesinger	Schlesinger	NNP
39142	2734	23	,	,	,
39142	2734	24	Mitchell	Mitchell	NNP
39142	2734	25	,	,	,
39142	2734	26	Miller	Miller	NNP
39142	2734	27	,	,	,
39142	2734	28	Slocum	Slocum	NNP
39142	2734	29	and	and	CC
39142	2734	30	Van	Van	NNP
39142	2734	31	Maanen	Maanen	NNP
39142	2734	32	,	,	,
39142	2734	33	with	with	IN
39142	2734	34	many	many	JJ
39142	2734	35	others	other	NNS
39142	2734	36	in	in	IN
39142	2734	37	this	this	DT
39142	2734	38	country	country	NN
39142	2734	39	,	,	,
39142	2734	40	have	have	VBP
39142	2734	41	zealously	zealously	RB
39142	2734	42	prosecuted	prosecute	VBN
39142	2734	43	it	-PRON-	PRP
39142	2734	44	.	.	.
39142	2735	1	How	how	WRB
39142	2735	2	shall	shall	MD
39142	2735	3	we	-PRON-	PRP
39142	2735	4	intelligently	intelligently	RB
39142	2735	5	express	express	VB
39142	2735	6	the	the	DT
39142	2735	7	vast	vast	JJ
39142	2735	8	distances	distance	NNS
39142	2735	9	at	at	IN
39142	2735	10	which	which	WDT
39142	2735	11	the	the	DT
39142	2735	12	stars	star	NNS
39142	2735	13	are	be	VBP
39142	2735	14	removed	remove	VBN
39142	2735	15	from	from	IN
39142	2735	16	us	-PRON-	PRP
39142	2735	17	?	?	.
39142	2736	1	Of	of	RB
39142	2736	2	course	course	RB
39142	2736	3	we	-PRON-	PRP
39142	2736	4	can	can	MD
39142	2736	5	use	use	VB
39142	2736	6	miles	mile	NNS
39142	2736	7	,	,	,
39142	2736	8	and	and	CC
39142	2736	9	pile	pile	VB
39142	2736	10	up	up	RP
39142	2736	11	the	the	DT
39142	2736	12	millions	million	NNS
39142	2736	13	upon	upon	IN
39142	2736	14	millions	million	NNS
39142	2736	15	by	by	IN
39142	2736	16	adding	add	VBG
39142	2736	17	on	on	IN
39142	2736	18	ciphers	cipher	NNS
39142	2736	19	,	,	,
39142	2736	20	but	but	CC
39142	2736	21	that	that	DT
39142	2736	22	fails	fail	VBZ
39142	2736	23	to	to	TO
39142	2736	24	give	give	VB
39142	2736	25	much	much	JJ
39142	2736	26	notion	notion	NN
39142	2736	27	of	of	IN
39142	2736	28	the	the	DT
39142	2736	29	star	star	NN
39142	2736	30	's	's	POS
39142	2736	31	distance	distance	NN
39142	2736	32	.	.	.
39142	2737	1	Let	let	VB
39142	2737	2	us	-PRON-	PRP
39142	2737	3	try	try	VB
39142	2737	4	with	with	IN
39142	2737	5	Alpha	Alpha	NNP
39142	2737	6	Centauri	Centauri	NNP
39142	2737	7	:	:	:
39142	2737	8	its	-PRON-	PRP$
39142	2737	9	parallax	parallax	NN
39142	2737	10	of	of	IN
39142	2737	11	0".75	0".75	CD
39142	2737	12	means	mean	NNS
39142	2737	13	that	that	IN
39142	2737	14	it	-PRON-	PRP
39142	2737	15	is	be	VBZ
39142	2737	16	275,000	275,000	CD
39142	2737	17	times	time	NNS
39142	2737	18	farther	farther	RB
39142	2737	19	from	from	IN
39142	2737	20	the	the	DT
39142	2737	21	sun	sun	NN
39142	2737	22	than	than	IN
39142	2737	23	the	the	DT
39142	2737	24	earth	earth	NN
39142	2737	25	is	be	VBZ
39142	2737	26	.	.	.
39142	2738	1	Multiplying	multiply	VBG
39142	2738	2	this	this	DT
39142	2738	3	out	out	RP
39142	2738	4	,	,	,
39142	2738	5	we	-PRON-	PRP
39142	2738	6	get	get	VBP
39142	2738	7	25	25	CD
39142	2738	8	trillion	trillion	CD
39142	2738	9	miles	mile	NNS
39142	2738	10	,	,	,
39142	2738	11	that	that	RB
39142	2738	12	is	is	RB
39142	2738	13	,	,	,
39142	2738	14	25	25	CD
39142	2738	15	millions	million	NNS
39142	2738	16	of	of	IN
39142	2738	17	million	million	CD
39142	2738	18	miles	mile	NNS
39142	2738	19	--	--	:
39142	2738	20	an	an	DT
39142	2738	21	inconceivable	inconceivable	JJ
39142	2738	22	number	number	NN
39142	2738	23	,	,	,
39142	2738	24	and	and	CC
39142	2738	25	an	an	DT
39142	2738	26	unthinkable	unthinkable	JJ
39142	2738	27	distance	distance	NN
39142	2738	28	.	.	.
39142	2739	1	Suppose	suppose	VB
39142	2739	2	the	the	DT
39142	2739	3	entire	entire	JJ
39142	2739	4	solar	solar	JJ
39142	2739	5	system	system	NN
39142	2739	6	to	to	TO
39142	2739	7	shrink	shrink	VB
39142	2739	8	so	so	IN
39142	2739	9	that	that	IN
39142	2739	10	the	the	DT
39142	2739	11	orbit	orbit	NN
39142	2739	12	of	of	IN
39142	2739	13	Neptune	Neptune	NNP
39142	2739	14	,	,	,
39142	2739	15	sixty	sixty	CD
39142	2739	16	times	time	NNS
39142	2739	17	93	93	CD
39142	2739	18	million	million	CD
39142	2739	19	miles	mile	NNS
39142	2739	20	in	in	IN
39142	2739	21	diameter	diameter	NN
39142	2739	22	,	,	,
39142	2739	23	would	would	MD
39142	2739	24	be	be	VB
39142	2739	25	a	a	DT
39142	2739	26	circle	circle	NN
39142	2739	27	the	the	DT
39142	2739	28	size	size	NN
39142	2739	29	of	of	IN
39142	2739	30	the	the	DT
39142	2739	31	dot	dot	NN
39142	2739	32	over	over	IN
39142	2739	33	this	this	DT
39142	2739	34	letter	letter	NN
39142	2739	35	i.	i.	NN
39142	2740	1	On	on	IN
39142	2740	2	the	the	DT
39142	2740	3	same	same	JJ
39142	2740	4	scale	scale	NN
39142	2740	5	the	the	DT
39142	2740	6	sun	sun	NN
39142	2740	7	itself	-PRON-	PRP
39142	2740	8	,	,	,
39142	2740	9	although	although	IN
39142	2740	10	nearly	nearly	RB
39142	2740	11	a	a	DT
39142	2740	12	million	million	CD
39142	2740	13	miles	mile	NNS
39142	2740	14	in	in	IN
39142	2740	15	diameter	diameter	NN
39142	2740	16	,	,	,
39142	2740	17	could	could	MD
39142	2740	18	not	not	RB
39142	2740	19	be	be	VB
39142	2740	20	seen	see	VBN
39142	2740	21	with	with	IN
39142	2740	22	the	the	DT
39142	2740	23	most	most	RBS
39142	2740	24	powerful	powerful	JJ
39142	2740	25	microscope	microscope	NN
39142	2740	26	in	in	IN
39142	2740	27	existence	existence	NN
39142	2740	28	;	;	,
39142	2740	29	and	and	CC
39142	2740	30	on	on	IN
39142	2740	31	the	the	DT
39142	2740	32	same	same	JJ
39142	2740	33	scale	scale	NN
39142	2740	34	also	also	RB
39142	2740	35	we	-PRON-	PRP
39142	2740	36	should	should	MD
39142	2740	37	have	have	VB
39142	2740	38	to	to	TO
39142	2740	39	have	have	VB
39142	2740	40	a	a	DT
39142	2740	41	circle	circle	NN
39142	2740	42	ten	ten	CD
39142	2740	43	feet	foot	NNS
39142	2740	44	in	in	IN
39142	2740	45	diameter	diameter	NN
39142	2740	46	,	,	,
39142	2740	47	if	if	IN
39142	2740	48	the	the	DT
39142	2740	49	solar	solar	JJ
39142	2740	50	system	system	NN
39142	2740	51	were	be	VBD
39142	2740	52	imagined	imagine	VBN
39142	2740	53	at	at	IN
39142	2740	54	its	-PRON-	PRP$
39142	2740	55	center	center	NN
39142	2740	56	and	and	CC
39142	2740	57	Alpha	Alpha	NNP
39142	2740	58	Centauri	Centauri	NNP
39142	2740	59	in	in	IN
39142	2740	60	its	-PRON-	PRP$
39142	2740	61	circumference	circumference	NN
39142	2740	62	.	.	.
39142	2741	1	So	so	IN
39142	2741	2	astronomers	astronomer	NNS
39142	2741	3	do	do	VBP
39142	2741	4	not	not	RB
39142	2741	5	often	often	RB
39142	2741	6	use	use	VB
39142	2741	7	the	the	DT
39142	2741	8	mile	mile	NN
39142	2741	9	as	as	IN
39142	2741	10	a	a	DT
39142	2741	11	yardstick	yardstick	NN
39142	2741	12	of	of	IN
39142	2741	13	stellar	stellar	JJ
39142	2741	14	distance	distance	NN
39142	2741	15	,	,	,
39142	2741	16	any	any	DT
39142	2741	17	more	more	JJR
39142	2741	18	than	than	IN
39142	2741	19	we	-PRON-	PRP
39142	2741	20	state	state	VBP
39142	2741	21	the	the	DT
39142	2741	22	distance	distance	NN
39142	2741	23	from	from	IN
39142	2741	24	London	London	NNP
39142	2741	25	to	to	IN
39142	2741	26	San	San	NNP
39142	2741	27	Francisco	Francisco	NNP
39142	2741	28	in	in	IN
39142	2741	29	feet	foot	NNS
39142	2741	30	or	or	CC
39142	2741	31	inches	inch	NNS
39142	2741	32	.	.	.
39142	2742	1	By	by	IN
39142	2742	2	convention	convention	NN
39142	2742	3	of	of	IN
39142	2742	4	astronomers	astronomer	NNS
39142	2742	5	,	,	,
39142	2742	6	the	the	DT
39142	2742	7	average	average	JJ
39142	2742	8	distance	distance	NN
39142	2742	9	between	between	IN
39142	2742	10	the	the	DT
39142	2742	11	centers	center	NNS
39142	2742	12	of	of	IN
39142	2742	13	sun	sun	NN
39142	2742	14	and	and	CC
39142	2742	15	earth	earth	NN
39142	2742	16	,	,	,
39142	2742	17	or	or	CC
39142	2742	18	93	93	CD
39142	2742	19	million	million	CD
39142	2742	20	miles	mile	NNS
39142	2742	21	,	,	,
39142	2742	22	is	be	VBZ
39142	2742	23	the	the	DT
39142	2742	24	accepted	accepted	JJ
39142	2742	25	unit	unit	NN
39142	2742	26	of	of	IN
39142	2742	27	measure	measure	NN
39142	2742	28	in	in	IN
39142	2742	29	the	the	DT
39142	2742	30	solar	solar	JJ
39142	2742	31	system	system	NN
39142	2742	32	.	.	.
39142	2743	1	So	so	RB
39142	2743	2	the	the	DT
39142	2743	3	adopted	adopt	VBN
39142	2743	4	unit	unit	NN
39142	2743	5	of	of	IN
39142	2743	6	stellar	stellar	JJ
39142	2743	7	distance	distance	NN
39142	2743	8	is	be	VBZ
39142	2743	9	the	the	DT
39142	2743	10	distance	distance	NN
39142	2743	11	traveled	travel	VBN
39142	2743	12	by	by	IN
39142	2743	13	a	a	DT
39142	2743	14	wave	wave	NN
39142	2743	15	of	of	IN
39142	2743	16	light	light	NN
39142	2743	17	in	in	IN
39142	2743	18	a	a	DT
39142	2743	19	year	year	NN
39142	2743	20	's	's	POS
39142	2743	21	time	time	NN
39142	2743	22	:	:	:
39142	2743	23	and	and	CC
39142	2743	24	this	this	DT
39142	2743	25	unit	unit	NN
39142	2743	26	is	be	VBZ
39142	2743	27	technically	technically	RB
39142	2743	28	called	call	VBN
39142	2743	29	the	the	DT
39142	2743	30	light	light	NN
39142	2743	31	-	-	HYPH
39142	2743	32	year	year	NN
39142	2743	33	.	.	.
39142	2744	1	This	this	DT
39142	2744	2	unit	unit	NN
39142	2744	3	of	of	IN
39142	2744	4	distance	distance	NN
39142	2744	5	,	,	,
39142	2744	6	or	or	CC
39142	2744	7	stellar	stellar	JJ
39142	2744	8	yardstick	yardstick	NN
39142	2744	9	,	,	,
39142	2744	10	as	as	IN
39142	2744	11	we	-PRON-	PRP
39142	2744	12	may	may	MD
39142	2744	13	call	call	VB
39142	2744	14	it	-PRON-	PRP
39142	2744	15	,	,	,
39142	2744	16	is	be	VBZ
39142	2744	17	nearly	nearly	RB
39142	2744	18	6	6	CD
39142	2744	19	millions	million	NNS
39142	2744	20	of	of	IN
39142	2744	21	million	million	CD
39142	2744	22	miles	mile	NNS
39142	2744	23	in	in	IN
39142	2744	24	length	length	NN
39142	2744	25	.	.	.
39142	2745	1	Alpha	Alpha	NNP
39142	2745	2	Centauri	Centauri	NNP
39142	2745	3	,	,	,
39142	2745	4	then	then	RB
39142	2745	5	,	,	,
39142	2745	6	is	be	VBZ
39142	2745	7	four	four	CD
39142	2745	8	and	and	CC
39142	2745	9	one	one	CD
39142	2745	10	-	-	HYPH
39142	2745	11	third	third	JJ
39142	2745	12	light	light	NN
39142	2745	13	-	-	HYPH
39142	2745	14	years	year	NNS
39142	2745	15	distant	distant	JJ
39142	2745	16	,	,	,
39142	2745	17	and	and	CC
39142	2745	18	61	61	CD
39142	2745	19	Cygni	Cygni	NNP
39142	2745	20	seven	seven	CD
39142	2745	21	and	and	CC
39142	2745	22	one	one	CD
39142	2745	23	-	-	HYPH
39142	2745	24	fifth	fifth	JJ
39142	2745	25	light	light	NN
39142	2745	26	-	-	HYPH
39142	2745	27	years	year	NNS
39142	2745	28	away	away	RB
39142	2745	29	.	.	.
39142	2746	1	For	for	IN
39142	2746	2	convenience	convenience	NN
39142	2746	3	in	in	IN
39142	2746	4	their	-PRON-	PRP$
39142	2746	5	calculations	calculation	NNS
39142	2746	6	most	most	JJS
39142	2746	7	astronomers	astronomer	NNS
39142	2746	8	now	now	RB
39142	2746	9	use	use	VBP
39142	2746	10	a	a	DT
39142	2746	11	longer	long	JJR
39142	2746	12	unit	unit	NN
39142	2746	13	called	call	VBN
39142	2746	14	the	the	DT
39142	2746	15	parsec	parsec	NNP
39142	2746	16	,	,	,
39142	2746	17	first	first	RB
39142	2746	18	suggested	suggest	VBN
39142	2746	19	by	by	IN
39142	2746	20	Turner	Turner	NNP
39142	2746	21	.	.	.
39142	2747	1	Its	-PRON-	PRP$
39142	2747	2	length	length	NN
39142	2747	3	is	be	VBZ
39142	2747	4	equal	equal	JJ
39142	2747	5	to	to	IN
39142	2747	6	the	the	DT
39142	2747	7	distance	distance	NN
39142	2747	8	of	of	IN
39142	2747	9	a	a	DT
39142	2747	10	star	star	NN
39142	2747	11	whose	whose	WP$
39142	2747	12	parallax	parallax	NN
39142	2747	13	is	be	VBZ
39142	2747	14	one	one	CD
39142	2747	15	second	second	NN
39142	2747	16	of	of	IN
39142	2747	17	arc	arc	NN
39142	2747	18	;	;	:
39142	2747	19	that	that	RB
39142	2747	20	is	is	RB
39142	2747	21	,	,	,
39142	2747	22	one	one	CD
39142	2747	23	parsec	parsec	NNP
39142	2747	24	is	be	VBZ
39142	2747	25	equal	equal	JJ
39142	2747	26	to	to	IN
39142	2747	27	about	about	RB
39142	2747	28	three	three	CD
39142	2747	29	and	and	CC
39142	2747	30	a	a	DT
39142	2747	31	quarter	quarter	NN
39142	2747	32	light	light	NN
39142	2747	33	-	-	HYPH
39142	2747	34	years	year	NNS
39142	2747	35	.	.	.
39142	2748	1	Or	or	CC
39142	2748	2	the	the	DT
39142	2748	3	light	light	JJ
39142	2748	4	-	-	HYPH
39142	2748	5	year	year	NN
39142	2748	6	is	be	VBZ
39142	2748	7	equal	equal	JJ
39142	2748	8	to	to	IN
39142	2748	9	0.31	0.31	CD
39142	2748	10	parsec	parsec	NNP
39142	2748	11	.	.	.
39142	2749	1	Also	also	RB
39142	2749	2	the	the	DT
39142	2749	3	parsec	parsec	NN
39142	2749	4	is	be	VBZ
39142	2749	5	equal	equal	JJ
39142	2749	6	to	to	IN
39142	2749	7	206,000	206,000	CD
39142	2749	8	astronomical	astronomical	JJ
39142	2749	9	units	unit	NNS
39142	2749	10	,	,	,
39142	2749	11	or	or	CC
39142	2749	12	about	about	RB
39142	2749	13	19	19	CD
39142	2749	14	millions	million	NNS
39142	2749	15	of	of	IN
39142	2749	16	million	million	CD
39142	2749	17	miles	mile	NNS
39142	2749	18	.	.	.
39142	2750	1	We	-PRON-	PRP
39142	2750	2	have	have	VBP
39142	2750	3	,	,	,
39142	2750	4	then	then	RB
39142	2750	5	four	four	CD
39142	2750	6	distinct	distinct	JJ
39142	2750	7	methods	method	NNS
39142	2750	8	of	of	IN
39142	2750	9	stating	state	VBG
39142	2750	10	the	the	DT
39142	2750	11	distance	distance	NN
39142	2750	12	of	of	IN
39142	2750	13	a	a	DT
39142	2750	14	star	star	NN
39142	2750	15	:	:	:
39142	2750	16	Sirius	sirius	NN
39142	2750	17	,	,	,
39142	2750	18	for	for	IN
39142	2750	19	example	example	NN
39142	2750	20	,	,	,
39142	2750	21	has	have	VBZ
39142	2750	22	a	a	DT
39142	2750	23	parallax	parallax	NN
39142	2750	24	of	of	IN
39142	2750	25	0".38	0".38	CD
39142	2750	26	or	or	CC
39142	2750	27	its	-PRON-	PRP$
39142	2750	28	distance	distance	NN
39142	2750	29	is	be	VBZ
39142	2750	30	two	two	CD
39142	2750	31	and	and	CC
39142	2750	32	two	two	CD
39142	2750	33	-	-	HYPH
39142	2750	34	thirds	third	NNS
39142	2750	35	parsecs	parsecs	JJ
39142	2750	36	,	,	,
39142	2750	37	or	or	CC
39142	2750	38	eight	eight	CD
39142	2750	39	and	and	CC
39142	2750	40	a	a	DT
39142	2750	41	half	half	JJ
39142	2750	42	light	light	NN
39142	2750	43	-	-	HYPH
39142	2750	44	years	year	NNS
39142	2750	45	,	,	,
39142	2750	46	or	or	CC
39142	2750	47	50	50	CD
39142	2750	48	millions	million	NNS
39142	2750	49	of	of	IN
39142	2750	50	million	million	CD
39142	2750	51	miles	mile	NNS
39142	2750	52	.	.	.
39142	2751	1	It	-PRON-	PRP
39142	2751	2	is	be	VBZ
39142	2751	3	the	the	DT
39142	2751	4	angle	angle	NN
39142	2751	5	of	of	IN
39142	2751	6	parallax	parallax	NN
39142	2751	7	which	which	WDT
39142	2751	8	is	be	VBZ
39142	2751	9	always	always	RB
39142	2751	10	found	find	VBN
39142	2751	11	first	first	RB
39142	2751	12	by	by	IN
39142	2751	13	actual	actual	JJ
39142	2751	14	measurement	measurement	NN
39142	2751	15	and	and	CC
39142	2751	16	from	from	IN
39142	2751	17	this	this	DT
39142	2751	18	the	the	DT
39142	2751	19	three	three	CD
39142	2751	20	other	other	JJ
39142	2751	21	estimates	estimate	NNS
39142	2751	22	of	of	IN
39142	2751	23	distance	distance	NN
39142	2751	24	are	be	VBP
39142	2751	25	calculated	calculate	VBN
39142	2751	26	.	.	.
39142	2752	1	So	so	RB
39142	2752	2	difficult	difficult	JJ
39142	2752	3	and	and	CC
39142	2752	4	delicate	delicate	JJ
39142	2752	5	is	be	VBZ
39142	2752	6	the	the	DT
39142	2752	7	determination	determination	NN
39142	2752	8	of	of	IN
39142	2752	9	a	a	DT
39142	2752	10	stellar	stellar	JJ
39142	2752	11	distance	distance	NN
39142	2752	12	that	that	WDT
39142	2752	13	only	only	RB
39142	2752	14	a	a	DT
39142	2752	15	few	few	JJ
39142	2752	16	hundred	hundred	CD
39142	2752	17	parallaxes	parallax	NNS
39142	2752	18	have	have	VBP
39142	2752	19	been	be	VBN
39142	2752	20	ascertained	ascertain	VBN
39142	2752	21	in	in	IN
39142	2752	22	the	the	DT
39142	2752	23	past	past	JJ
39142	2752	24	century	century	NN
39142	2752	25	.	.	.
39142	2753	1	The	the	DT
39142	2753	2	distance	distance	NN
39142	2753	3	of	of	IN
39142	2753	4	the	the	DT
39142	2753	5	same	same	JJ
39142	2753	6	star	star	NN
39142	2753	7	has	have	VBZ
39142	2753	8	been	be	VBN
39142	2753	9	many	many	JJ
39142	2753	10	times	time	NNS
39142	2753	11	measured	measure	VBN
39142	2753	12	by	by	IN
39142	2753	13	different	different	JJ
39142	2753	14	astronomers	astronomer	NNS
39142	2753	15	,	,	,
39142	2753	16	with	with	IN
39142	2753	17	much	much	JJ
39142	2753	18	seeming	seeming	JJ
39142	2753	19	duplication	duplication	NN
39142	2753	20	of	of	IN
39142	2753	21	effort	effort	NN
39142	2753	22	.	.	.
39142	2754	1	Comprehensive	comprehensive	JJ
39142	2754	2	campaigns	campaign	NNS
39142	2754	3	for	for	IN
39142	2754	4	determining	determine	VBG
39142	2754	5	star	star	NN
39142	2754	6	parallaxes	parallax	NNS
39142	2754	7	in	in	IN
39142	2754	8	large	large	JJ
39142	2754	9	numbers	number	NNS
39142	2754	10	have	have	VBP
39142	2754	11	been	be	VBN
39142	2754	12	undertaken	undertake	VBN
39142	2754	13	in	in	IN
39142	2754	14	a	a	DT
39142	2754	15	few	few	JJ
39142	2754	16	instances	instance	NNS
39142	2754	17	,	,	,
39142	2754	18	particularly	particularly	RB
39142	2754	19	at	at	IN
39142	2754	20	the	the	DT
39142	2754	21	suggestion	suggestion	NN
39142	2754	22	of	of	IN
39142	2754	23	Kapteyn	Kapteyn	NNP
39142	2754	24	,	,	,
39142	2754	25	the	the	DT
39142	2754	26	eminent	eminent	JJ
39142	2754	27	astronomer	astronomer	NN
39142	2754	28	of	of	IN
39142	2754	29	Groningen	Groningen	NNP
39142	2754	30	,	,	,
39142	2754	31	Holland	Holland	NNP
39142	2754	32	.	.	.
39142	2755	1	His	-PRON-	PRP$
39142	2755	2	catalogue	catalogue	NN
39142	2755	3	of	of	IN
39142	2755	4	star	star	NNP
39142	2755	5	parallaxes	parallax	NNS
39142	2755	6	is	be	VBZ
39142	2755	7	the	the	DT
39142	2755	8	most	most	RBS
39142	2755	9	complete	complete	JJ
39142	2755	10	and	and	CC
39142	2755	11	accurate	accurate	JJ
39142	2755	12	yet	yet	CC
39142	2755	13	published	publish	VBN
39142	2755	14	,	,	,
39142	2755	15	and	and	CC
39142	2755	16	is	be	VBZ
39142	2755	17	the	the	DT
39142	2755	18	standard	standard	NN
39142	2755	19	in	in	IN
39142	2755	20	all	all	DT
39142	2755	21	statistical	statistical	JJ
39142	2755	22	investigations	investigation	NNS
39142	2755	23	of	of	IN
39142	2755	24	the	the	DT
39142	2755	25	stars	star	NNS
39142	2755	26	.	.	.
39142	2756	1	That	that	IN
39142	2756	2	we	-PRON-	PRP
39142	2756	3	find	find	VBP
39142	2756	4	relatively	relatively	RB
39142	2756	5	large	large	JJ
39142	2756	6	parallaxes	parallax	NNS
39142	2756	7	for	for	IN
39142	2756	8	some	some	DT
39142	2756	9	of	of	IN
39142	2756	10	the	the	DT
39142	2756	11	fainter	fainter	NN
39142	2756	12	stars	star	NNS
39142	2756	13	,	,	,
39142	2756	14	and	and	CC
39142	2756	15	almost	almost	RB
39142	2756	16	no	no	DT
39142	2756	17	measurable	measurable	JJ
39142	2756	18	parallax	parallax	NN
39142	2756	19	for	for	IN
39142	2756	20	some	some	DT
39142	2756	21	of	of	IN
39142	2756	22	the	the	DT
39142	2756	23	very	very	RB
39142	2756	24	bright	bright	JJ
39142	2756	25	stars	star	NNS
39142	2756	26	is	be	VBZ
39142	2756	27	one	one	CD
39142	2756	28	of	of	IN
39142	2756	29	the	the	DT
39142	2756	30	riddles	riddle	NNS
39142	2756	31	of	of	IN
39142	2756	32	the	the	DT
39142	2756	33	stellar	stellar	JJ
39142	2756	34	universe	universe	NN
39142	2756	35	.	.	.
39142	2757	1	We	-PRON-	PRP
39142	2757	2	may	may	MD
39142	2757	3	instance	instance	VB
39142	2757	4	Arcturus	Arcturus	NNP
39142	2757	5	,	,	,
39142	2757	6	in	in	IN
39142	2757	7	the	the	DT
39142	2757	8	northern	northern	JJ
39142	2757	9	hemisphere	hemisphere	NN
39142	2757	10	and	and	CC
39142	2757	11	Canopus	Canopus	NNP
39142	2757	12	in	in	IN
39142	2757	13	the	the	DT
39142	2757	14	southern	southern	JJ
39142	2757	15	;	;	:
39142	2757	16	the	the	DT
39142	2757	17	latter	latter	JJ
39142	2757	18	almost	almost	RB
39142	2757	19	as	as	RB
39142	2757	20	bright	bright	JJ
39142	2757	21	as	as	IN
39142	2757	22	Sirius	Sirius	NNP
39142	2757	23	.	.	.
39142	2758	1	Dr.	Dr.	NNP
39142	2758	2	Elkin	Elkin	NNP
39142	2758	3	and	and	CC
39142	2758	4	the	the	DT
39142	2758	5	late	late	JJ
39142	2758	6	Sir	Sir	NNP
39142	2758	7	David	David	NNP
39142	2758	8	Gill	Gill	NNP
39142	2758	9	determined	determine	VBD
39142	2758	10	exhaustively	exhaustively	RB
39142	2758	11	the	the	DT
39142	2758	12	parallax	parallax	NN
39142	2758	13	of	of	IN
39142	2758	14	Canopus	Canopus	NNP
39142	2758	15	,	,	,
39142	2758	16	and	and	CC
39142	2758	17	found	find	VBD
39142	2758	18	it	-PRON-	PRP
39142	2758	19	very	very	RB
39142	2758	20	minute	minute	JJ
39142	2758	21	,	,	,
39142	2758	22	only	only	RB
39142	2758	23	0".03	0".03	NN
39142	2758	24	,	,	,
39142	2758	25	making	make	VBG
39142	2758	26	its	-PRON-	PRP$
39142	2758	27	distance	distance	NN
39142	2758	28	in	in	IN
39142	2758	29	excess	excess	NN
39142	2758	30	of	of	IN
39142	2758	31	a	a	DT
39142	2758	32	hundred	hundred	CD
39142	2758	33	light	light	NN
39142	2758	34	-	-	HYPH
39142	2758	35	years	year	NNS
39142	2758	36	.	.	.
39142	2759	1	The	the	DT
39142	2759	2	stupendous	stupendous	JJ
39142	2759	3	brilliancy	brilliancy	NN
39142	2759	4	of	of	IN
39142	2759	5	this	this	DT
39142	2759	6	star	star	NN
39142	2759	7	is	be	VBZ
39142	2759	8	apparent	apparent	JJ
39142	2759	9	if	if	IN
39142	2759	10	we	-PRON-	PRP
39142	2759	11	remember	remember	VBP
39142	2759	12	that	that	IN
39142	2759	13	the	the	DT
39142	2759	14	intensity	intensity	NN
39142	2759	15	of	of	IN
39142	2759	16	its	-PRON-	PRP$
39142	2759	17	light	light	NN
39142	2759	18	must	must	MD
39142	2759	19	vary	vary	VB
39142	2759	20	inversely	inversely	RB
39142	2759	21	as	as	IN
39142	2759	22	the	the	DT
39142	2759	23	square	square	NN
39142	2759	24	of	of	IN
39142	2759	25	the	the	DT
39142	2759	26	distance	distance	NN
39142	2759	27	;	;	:
39142	2759	28	so	so	IN
39142	2759	29	that	that	IN
39142	2759	30	if	if	IN
39142	2759	31	Canopus	Canopus	NNP
39142	2759	32	were	be	VBD
39142	2759	33	to	to	TO
39142	2759	34	be	be	VB
39142	2759	35	brought	bring	VBN
39142	2759	36	as	as	RB
39142	2759	37	near	near	IN
39142	2759	38	us	-PRON-	PRP
39142	2759	39	as	as	IN
39142	2759	40	even	even	RB
39142	2759	41	61	61	CD
39142	2759	42	Cygni	Cygni	NNP
39142	2759	43	is	be	VBZ
39142	2759	44	,	,	,
39142	2759	45	it	-PRON-	PRP
39142	2759	46	would	would	MD
39142	2759	47	be	be	VB
39142	2759	48	a	a	DT
39142	2759	49	hundredfold	hundredfold	NN
39142	2759	50	brighter	bright	JJR
39142	2759	51	than	than	IN
39142	2759	52	Sirius	Sirius	NNP
39142	2759	53	,	,	,
39142	2759	54	the	the	DT
39142	2759	55	brightest	bright	JJS
39142	2759	56	of	of	IN
39142	2759	57	all	all	PDT
39142	2759	58	the	the	DT
39142	2759	59	stars	star	NNS
39142	2759	60	of	of	IN
39142	2759	61	the	the	DT
39142	2759	62	firmament	firmament	NN
39142	2759	63	.	.	.
39142	2760	1	In	in	IN
39142	2760	2	researches	research	NNS
39142	2760	3	upon	upon	IN
39142	2760	4	the	the	DT
39142	2760	5	distribution	distribution	NN
39142	2760	6	of	of	IN
39142	2760	7	the	the	DT
39142	2760	8	more	more	RBR
39142	2760	9	distant	distant	JJ
39142	2760	10	stars	star	NNS
39142	2760	11	,	,	,
39142	2760	12	the	the	DT
39142	2760	13	method	method	NN
39142	2760	14	of	of	IN
39142	2760	15	measuring	measure	VBG
39142	2760	16	parallaxes	parallax	NNS
39142	2760	17	of	of	IN
39142	2760	18	individual	individual	JJ
39142	2760	19	stars	star	NNS
39142	2760	20	fails	fail	VBZ
39142	2760	21	completely	completely	RB
39142	2760	22	,	,	,
39142	2760	23	and	and	CC
39142	2760	24	the	the	DT
39142	2760	25	secular	secular	JJ
39142	2760	26	parallax	parallax	NN
39142	2760	27	,	,	,
39142	2760	28	or	or	CC
39142	2760	29	parallactic	parallactic	JJ
39142	2760	30	motion	motion	NN
39142	2760	31	of	of	IN
39142	2760	32	the	the	DT
39142	2760	33	stars	star	NNS
39142	2760	34	is	be	VBZ
39142	2760	35	employed	employ	VBN
39142	2760	36	instead	instead	RB
39142	2760	37	.	.	.
39142	2761	1	By	by	IN
39142	2761	2	parallactic	parallactic	JJ
39142	2761	3	motion	motion	NN
39142	2761	4	is	be	VBZ
39142	2761	5	meant	mean	VBN
39142	2761	6	the	the	DT
39142	2761	7	apparent	apparent	JJ
39142	2761	8	displacement	displacement	NN
39142	2761	9	in	in	IN
39142	2761	10	consequence	consequence	NN
39142	2761	11	of	of	IN
39142	2761	12	the	the	DT
39142	2761	13	solar	solar	JJ
39142	2761	14	motion	motion	NN
39142	2761	15	which	which	WDT
39142	2761	16	is	be	VBZ
39142	2761	17	now	now	RB
39142	2761	18	known	know	VBN
39142	2761	19	with	with	IN
39142	2761	20	great	great	JJ
39142	2761	21	accuracy	accuracy	NN
39142	2761	22	,	,	,
39142	2761	23	and	and	CC
39142	2761	24	amounts	amount	VBZ
39142	2761	25	to	to	IN
39142	2761	26	19.5	19.5	CD
39142	2761	27	kilometers	kilometer	NNS
39142	2761	28	per	per	IN
39142	2761	29	second	second	NN
39142	2761	30	.	.	.
39142	2762	1	Even	even	RB
39142	2762	2	in	in	IN
39142	2762	3	a	a	DT
39142	2762	4	single	single	JJ
39142	2762	5	year	year	NN
39142	2762	6	,	,	,
39142	2762	7	then	then	RB
39142	2762	8	,	,	,
39142	2762	9	the	the	DT
39142	2762	10	sun	sun	NN
39142	2762	11	's	's	POS
39142	2762	12	motion	motion	NN
39142	2762	13	is	be	VBZ
39142	2762	14	twice	twice	PDT
39142	2762	15	the	the	DT
39142	2762	16	diameter	diameter	NN
39142	2762	17	of	of	IN
39142	2762	18	the	the	DT
39142	2762	19	earth	earth	NN
39142	2762	20	's	's	POS
39142	2762	21	orbit	orbit	NN
39142	2762	22	,	,	,
39142	2762	23	so	so	IN
39142	2762	24	that	that	IN
39142	2762	25	in	in	IN
39142	2762	26	a	a	DT
39142	2762	27	hundred	hundred	CD
39142	2762	28	or	or	CC
39142	2762	29	more	more	JJR
39142	2762	30	years	year	NNS
39142	2762	31	,	,	,
39142	2762	32	a	a	DT
39142	2762	33	much	much	RB
39142	2762	34	longer	long	JJR
39142	2762	35	base	base	NN
39142	2762	36	line	line	NN
39142	2762	37	is	be	VBZ
39142	2762	38	available	available	JJ
39142	2762	39	than	than	IN
39142	2762	40	in	in	IN
39142	2762	41	the	the	DT
39142	2762	42	usual	usual	JJ
39142	2762	43	type	type	NN
39142	2762	44	of	of	IN
39142	2762	45	observations	observation	NNS
39142	2762	46	for	for	IN
39142	2762	47	stellar	stellar	JJ
39142	2762	48	parallax	parallax	NN
39142	2762	49	.	.	.
39142	2763	1	If	if	IN
39142	2763	2	we	-PRON-	PRP
39142	2763	3	ascertain	ascertain	VBP
39142	2763	4	the	the	DT
39142	2763	5	parallactic	parallactic	JJ
39142	2763	6	motion	motion	NN
39142	2763	7	of	of	IN
39142	2763	8	a	a	DT
39142	2763	9	group	group	NN
39142	2763	10	of	of	IN
39142	2763	11	stars	star	NNS
39142	2763	12	,	,	,
39142	2763	13	then	then	RB
39142	2763	14	we	-PRON-	PRP
39142	2763	15	can	can	MD
39142	2763	16	find	find	VB
39142	2763	17	their	-PRON-	PRP$
39142	2763	18	average	average	JJ
39142	2763	19	distance	distance	NN
39142	2763	20	.	.	.
39142	2764	1	It	-PRON-	PRP
39142	2764	2	is	be	VBZ
39142	2764	3	found	find	VBN
39142	2764	4	,	,	,
39142	2764	5	for	for	IN
39142	2764	6	example	example	NN
39142	2764	7	,	,	,
39142	2764	8	that	that	IN
39142	2764	9	the	the	DT
39142	2764	10	mean	mean	JJ
39142	2764	11	parallax	parallax	NN
39142	2764	12	of	of	IN
39142	2764	13	stars	star	NNS
39142	2764	14	of	of	IN
39142	2764	15	the	the	DT
39142	2764	16	sixth	sixth	JJ
39142	2764	17	magnitude	magnitude	NN
39142	2764	18	is	be	VBZ
39142	2764	19	0".014	0".014	JJ
39142	2764	20	.	.	.
39142	2765	1	Also	also	RB
39142	2765	2	the	the	DT
39142	2765	3	mean	mean	JJ
39142	2765	4	distances	distance	NNS
39142	2765	5	of	of	IN
39142	2765	6	stars	star	NNS
39142	2765	7	thrown	throw	VBN
39142	2765	8	into	into	IN
39142	2765	9	classes	class	NNS
39142	2765	10	according	accord	VBG
39142	2765	11	to	to	IN
39142	2765	12	their	-PRON-	PRP$
39142	2765	13	spectral	spectral	JJ
39142	2765	14	type	type	NN
39142	2765	15	have	have	VBP
39142	2765	16	been	be	VBN
39142	2765	17	investigated	investigate	VBN
39142	2765	18	by	by	IN
39142	2765	19	Boss	Boss	NNP
39142	2765	20	,	,	,
39142	2765	21	Kapteyn	Kapteyn	NNP
39142	2765	22	,	,	,
39142	2765	23	Campbell	Campbell	NNP
39142	2765	24	and	and	CC
39142	2765	25	others	other	NNS
39142	2765	26	.	.	.
39142	2766	1	The	the	DT
39142	2766	2	complete	complete	JJ
39142	2766	3	intermingling	intermingling	NN
39142	2766	4	of	of	IN
39142	2766	5	the	the	DT
39142	2766	6	two	two	CD
39142	2766	7	great	great	JJ
39142	2766	8	star	star	NN
39142	2766	9	streams	stream	NNS
39142	2766	10	has	have	VBZ
39142	2766	11	been	be	VBN
39142	2766	12	proved	prove	VBN
39142	2766	13	,	,	,
39142	2766	14	too	too	RB
39142	2766	15	,	,	,
39142	2766	16	by	by	IN
39142	2766	17	using	use	VBG
39142	2766	18	the	the	DT
39142	2766	19	magnitude	magnitude	NN
39142	2766	20	of	of	IN
39142	2766	21	the	the	DT
39142	2766	22	proper	proper	JJ
39142	2766	23	motions	motion	NNS
39142	2766	24	to	to	TO
39142	2766	25	measure	measure	VB
39142	2766	26	the	the	DT
39142	2766	27	average	average	JJ
39142	2766	28	distances	distance	NNS
39142	2766	29	of	of	IN
39142	2766	30	both	both	DT
39142	2766	31	streams	stream	NNS
39142	2766	32	.	.	.
39142	2767	1	These	these	DT
39142	2767	2	come	come	VBP
39142	2767	3	out	out	RP
39142	2767	4	essentially	essentially	RB
39142	2767	5	the	the	DT
39142	2767	6	same	same	JJ
39142	2767	7	,	,	,
39142	2767	8	so	so	IN
39142	2767	9	that	that	IN
39142	2767	10	the	the	DT
39142	2767	11	streaming	streaming	NN
39142	2767	12	can	can	MD
39142	2767	13	not	not	RB
39142	2767	14	be	be	VB
39142	2767	15	due	due	IN
39142	2767	16	to	to	IN
39142	2767	17	mere	mere	JJ
39142	2767	18	chance	chance	NN
39142	2767	19	relation	relation	NN
39142	2767	20	in	in	IN
39142	2767	21	the	the	DT
39142	2767	22	line	line	NN
39142	2767	23	of	of	IN
39142	2767	24	sight	sight	NN
39142	2767	25	.	.	.
39142	2768	1	Most	most	RBS
39142	2768	2	unexpected	unexpected	JJ
39142	2768	3	and	and	CC
39142	2768	4	highly	highly	RB
39142	2768	5	important	important	JJ
39142	2768	6	is	be	VBZ
39142	2768	7	the	the	DT
39142	2768	8	discovery	discovery	NN
39142	2768	9	that	that	WDT
39142	2768	10	the	the	DT
39142	2768	11	peculiar	peculiar	JJ
39142	2768	12	behavior	behavior	NN
39142	2768	13	of	of	IN
39142	2768	14	certain	certain	JJ
39142	2768	15	lines	line	NNS
39142	2768	16	in	in	IN
39142	2768	17	the	the	DT
39142	2768	18	spectrum	spectrum	NN
39142	2768	19	leads	lead	VBZ
39142	2768	20	to	to	IN
39142	2768	21	a	a	DT
39142	2768	22	fixed	fix	VBN
39142	2768	23	relation	relation	NN
39142	2768	24	between	between	IN
39142	2768	25	a	a	DT
39142	2768	26	star	star	NN
39142	2768	27	's	's	POS
39142	2768	28	spectrum	spectrum	NN
39142	2768	29	and	and	CC
39142	2768	30	its	-PRON-	PRP$
39142	2768	31	absolute	absolute	JJ
39142	2768	32	magnitude	magnitude	NN
39142	2768	33	,	,	,
39142	2768	34	which	which	WDT
39142	2768	35	provides	provide	VBZ
39142	2768	36	a	a	DT
39142	2768	37	new	new	JJ
39142	2768	38	and	and	CC
39142	2768	39	very	very	RB
39142	2768	40	effective	effective	JJ
39142	2768	41	method	method	NN
39142	2768	42	of	of	IN
39142	2768	43	ascertaining	ascertain	VBG
39142	2768	44	stellar	stellar	JJ
39142	2768	45	distances	distance	NNS
39142	2768	46	.	.	.
39142	2769	1	By	by	IN
39142	2769	2	absolute	absolute	JJ
39142	2769	3	magnitudes	magnitude	NNS
39142	2769	4	are	be	VBP
39142	2769	5	meant	mean	VBN
39142	2769	6	the	the	DT
39142	2769	7	magnitudes	magnitude	NNS
39142	2769	8	the	the	DT
39142	2769	9	stars	star	NNS
39142	2769	10	would	would	MD
39142	2769	11	appear	appear	VB
39142	2769	12	to	to	TO
39142	2769	13	have	have	VB
39142	2769	14	if	if	IN
39142	2769	15	they	-PRON-	PRP
39142	2769	16	were	be	VBD
39142	2769	17	all	all	RB
39142	2769	18	at	at	IN
39142	2769	19	the	the	DT
39142	2769	20	same	same	JJ
39142	2769	21	standard	standard	JJ
39142	2769	22	distance	distance	NN
39142	2769	23	from	from	IN
39142	2769	24	the	the	DT
39142	2769	25	earth	earth	NN
39142	2769	26	.	.	.
39142	2770	1	Very	very	RB
39142	2770	2	satisfactory	satisfactory	JJ
39142	2770	3	estimates	estimate	NNS
39142	2770	4	of	of	IN
39142	2770	5	the	the	DT
39142	2770	6	distance	distance	NN
39142	2770	7	of	of	IN
39142	2770	8	exceedingly	exceedingly	RB
39142	2770	9	remote	remote	JJ
39142	2770	10	objects	object	NNS
39142	2770	11	have	have	VBP
39142	2770	12	been	be	VBN
39142	2770	13	made	make	VBN
39142	2770	14	within	within	IN
39142	2770	15	recent	recent	JJ
39142	2770	16	years	year	NNS
39142	2770	17	by	by	IN
39142	2770	18	this	this	DT
39142	2770	19	indirect	indirect	JJ
39142	2770	20	method	method	NN
39142	2770	21	,	,	,
39142	2770	22	which	which	WDT
39142	2770	23	is	be	VBZ
39142	2770	24	especially	especially	RB
39142	2770	25	applicable	applicable	JJ
39142	2770	26	to	to	IN
39142	2770	27	spiral	spiral	JJ
39142	2770	28	nebulæ	nebulæ	NN
39142	2770	29	and	and	CC
39142	2770	30	globular	globular	JJ
39142	2770	31	clusters	cluster	NNS
39142	2770	32	.	.	.
39142	2771	1	The	the	DT
39142	2771	2	absolute	absolute	JJ
39142	2771	3	magnitude	magnitude	NN
39142	2771	4	of	of	IN
39142	2771	5	a	a	DT
39142	2771	6	star	star	NN
39142	2771	7	is	be	VBZ
39142	2771	8	inferred	infer	VBN
39142	2771	9	from	from	IN
39142	2771	10	the	the	DT
39142	2771	11	relative	relative	JJ
39142	2771	12	intensities	intensity	NNS
39142	2771	13	of	of	IN
39142	2771	14	certain	certain	JJ
39142	2771	15	lines	line	NNS
39142	2771	16	in	in	IN
39142	2771	17	its	-PRON-	PRP$
39142	2771	18	spectrum	spectrum	NN
39142	2771	19	,	,	,
39142	2771	20	so	so	IN
39142	2771	21	that	that	IN
39142	2771	22	the	the	DT
39142	2771	23	observed	observed	JJ
39142	2771	24	apparent	apparent	JJ
39142	2771	25	magnitude	magnitude	NN
39142	2771	26	at	at	IN
39142	2771	27	once	once	RB
39142	2771	28	enables	enable	VBZ
39142	2771	29	us	-PRON-	PRP
39142	2771	30	to	to	TO
39142	2771	31	calculate	calculate	VB
39142	2771	32	the	the	DT
39142	2771	33	distance	distance	NN
39142	2771	34	of	of	IN
39142	2771	35	the	the	DT
39142	2771	36	star	star	NN
39142	2771	37	.	.	.
39142	2772	1	Adams	Adams	NNP
39142	2772	2	and	and	CC
39142	2772	3	Joy	Joy	NNP
39142	2772	4	have	have	VBP
39142	2772	5	recently	recently	RB
39142	2772	6	determined	determine	VBN
39142	2772	7	the	the	DT
39142	2772	8	luminosities	luminosity	NNS
39142	2772	9	and	and	CC
39142	2772	10	parallaxes	parallax	NNS
39142	2772	11	of	of	IN
39142	2772	12	500	500	CD
39142	2772	13	stars	star	NNS
39142	2772	14	by	by	IN
39142	2772	15	this	this	DT
39142	2772	16	spectroscopic	spectroscopic	JJ
39142	2772	17	method	method	NN
39142	2772	18	.	.	.
39142	2773	1	Of	of	IN
39142	2773	2	these	these	DT
39142	2773	3	stars	star	NNS
39142	2773	4	360	360	CD
39142	2773	5	have	have	VBP
39142	2773	6	had	have	VBN
39142	2773	7	their	-PRON-	PRP$
39142	2773	8	parallaxes	parallax	NNS
39142	2773	9	previously	previously	RB
39142	2773	10	measured	measure	VBN
39142	2773	11	;	;	:
39142	2773	12	and	and	CC
39142	2773	13	the	the	DT
39142	2773	14	average	average	JJ
39142	2773	15	difference	difference	NN
39142	2773	16	between	between	IN
39142	2773	17	the	the	DT
39142	2773	18	spectroscopic	spectroscopic	NN
39142	2773	19	and	and	CC
39142	2773	20	the	the	DT
39142	2773	21	trigonometric	trigonometric	JJ
39142	2773	22	values	value	NNS
39142	2773	23	of	of	IN
39142	2773	24	the	the	DT
39142	2773	25	parallax	parallax	NN
39142	2773	26	is	be	VBZ
39142	2773	27	only	only	RB
39142	2773	28	the	the	DT
39142	2773	29	very	very	RB
39142	2773	30	small	small	JJ
39142	2773	31	angle	angle	NN
39142	2773	32	0".0037	0".0037	NNP
39142	2773	33	,	,	,
39142	2773	34	a	a	DT
39142	2773	35	highly	highly	RB
39142	2773	36	satisfactory	satisfactory	JJ
39142	2773	37	verification	verification	NN
39142	2773	38	.	.	.
39142	2774	1	An	an	DT
39142	2774	2	indirect	indirect	JJ
39142	2774	3	method	method	NN
39142	2774	4	,	,	,
39142	2774	5	but	but	CC
39142	2774	6	a	a	DT
39142	2774	7	very	very	RB
39142	2774	8	simple	simple	JJ
39142	2774	9	one	one	NN
39142	2774	10	,	,	,
39142	2774	11	and	and	CC
39142	2774	12	of	of	IN
39142	2774	13	the	the	DT
39142	2774	14	greatest	great	JJS
39142	2774	15	value	value	NN
39142	2774	16	because	because	IN
39142	2774	17	it	-PRON-	PRP
39142	2774	18	provides	provide	VBZ
39142	2774	19	the	the	DT
39142	2774	20	key	key	NN
39142	2774	21	to	to	IN
39142	2774	22	stellar	stellar	JJ
39142	2774	23	distances	distance	NNS
39142	2774	24	with	with	IN
39142	2774	25	the	the	DT
39142	2774	26	least	least	JJS
39142	2774	27	possible	possible	JJ
39142	2774	28	calculation	calculation	NN
39142	2774	29	,	,	,
39142	2774	30	and	and	CC
39142	2774	31	we	-PRON-	PRP
39142	2774	32	can	can	MD
39142	2774	33	ascertain	ascertain	VB
39142	2774	34	also	also	RB
39142	2774	35	the	the	DT
39142	2774	36	distances	distance	NNS
39142	2774	37	of	of	IN
39142	2774	38	whole	whole	JJ
39142	2774	39	classes	class	NNS
39142	2774	40	of	of	IN
39142	2774	41	stars	star	NNS
39142	2774	42	too	too	RB
39142	2774	43	remote	remote	JJ
39142	2774	44	to	to	TO
39142	2774	45	be	be	VB
39142	2774	46	ascertained	ascertain	VBN
39142	2774	47	in	in	IN
39142	2774	48	any	any	DT
39142	2774	49	other	other	JJ
39142	2774	50	way	way	NN
39142	2774	51	at	at	IN
39142	2774	52	present	present	NN
39142	2774	53	known	know	VBN
39142	2774	54	.	.	.
39142	2775	1	The	the	DT
39142	2775	2	problem	problem	NN
39142	2775	3	of	of	IN
39142	2775	4	spectroscopic	spectroscopic	JJ
39142	2775	5	determinations	determination	NNS
39142	2775	6	of	of	IN
39142	2775	7	luminosity	luminosity	NN
39142	2775	8	and	and	CC
39142	2775	9	parallax	parallax	NN
39142	2775	10	has	have	VBZ
39142	2775	11	been	be	VBN
39142	2775	12	investigated	investigate	VBN
39142	2775	13	at	at	IN
39142	2775	14	Mount	Mount	NNP
39142	2775	15	Wilson	Wilson	NNP
39142	2775	16	with	with	IN
39142	2775	17	great	great	JJ
39142	2775	18	thoroughness	thoroughness	NN
39142	2775	19	from	from	IN
39142	2775	20	all	all	DT
39142	2775	21	sides	side	NNS
39142	2775	22	,	,	,
39142	2775	23	the	the	DT
39142	2775	24	separate	separate	JJ
39142	2775	25	investigations	investigation	NNS
39142	2775	26	checking	check	VBG
39142	2775	27	each	each	DT
39142	2775	28	other	other	JJ
39142	2775	29	.	.	.
39142	2776	1	A	a	DT
39142	2776	2	definitive	definitive	JJ
39142	2776	3	scale	scale	NN
39142	2776	4	for	for	IN
39142	2776	5	the	the	DT
39142	2776	6	spectroscopic	spectroscopic	JJ
39142	2776	7	determination	determination	NN
39142	2776	8	of	of	IN
39142	2776	9	absolute	absolute	JJ
39142	2776	10	magnitudes	magnitude	NNS
39142	2776	11	has	have	VBZ
39142	2776	12	now	now	RB
39142	2776	13	been	be	VBN
39142	2776	14	established	establish	VBN
39142	2776	15	,	,	,
39142	2776	16	and	and	CC
39142	2776	17	the	the	DT
39142	2776	18	parallaxes	parallax	NNS
39142	2776	19	and	and	CC
39142	2776	20	absolute	absolute	JJ
39142	2776	21	magnitudes	magnitude	NNS
39142	2776	22	have	have	VBP
39142	2776	23	already	already	RB
39142	2776	24	been	be	VBN
39142	2776	25	derived	derive	VBN
39142	2776	26	for	for	IN
39142	2776	27	about	about	RB
39142	2776	28	1,800	1,800	CD
39142	2776	29	stars	star	NNS
39142	2776	30	.	.	.
39142	2777	1	CHAPTER	chapter	NN
39142	2777	2	XLIX	XLIX	NNP
39142	2777	3	THE	the	DT
39142	2777	4	NEAREST	nearest	NN
39142	2777	5	STARS	star	NNS
39142	2777	6	Of	of	IN
39142	2777	7	especial	especial	JJ
39142	2777	8	interest	interest	NN
39142	2777	9	are	be	VBP
39142	2777	10	the	the	DT
39142	2777	11	few	few	JJ
39142	2777	12	stars	star	NNS
39142	2777	13	that	that	WDT
39142	2777	14	we	-PRON-	PRP
39142	2777	15	know	know	VBP
39142	2777	16	are	be	VBP
39142	2777	17	the	the	DT
39142	2777	18	nearest	near	JJS
39142	2777	19	to	to	IN
39142	2777	20	us	-PRON-	PRP
39142	2777	21	,	,	,
39142	2777	22	and	and	CC
39142	2777	23	the	the	DT
39142	2777	24	following	follow	VBG
39142	2777	25	table	table	NN
39142	2777	26	includes	include	VBZ
39142	2777	27	all	all	PDT
39142	2777	28	those	those	DT
39142	2777	29	whose	whose	WP$
39142	2777	30	parallax	parallax	NN
39142	2777	31	is	be	VBZ
39142	2777	32	0".20	0".20	NNP
39142	2777	33	or	or	CC
39142	2777	34	greater	great	JJR
39142	2777	35	.	.	.
39142	2778	1	There	there	EX
39142	2778	2	are	be	VBP
39142	2778	3	nineteen	nineteen	CD
39142	2778	4	in	in	IN
39142	2778	5	all	all	DT
39142	2778	6	and	and	CC
39142	2778	7	nearly	nearly	RB
39142	2778	8	half	half	NN
39142	2778	9	of	of	IN
39142	2778	10	them	-PRON-	PRP
39142	2778	11	are	be	VBP
39142	2778	12	binary	binary	JJ
39142	2778	13	systems	system	NNS
39142	2778	14	.	.	.
39142	2779	1	The	the	DT
39142	2779	2	radial	radial	JJ
39142	2779	3	motions	motion	NNS
39142	2779	4	given	give	VBN
39142	2779	5	are	be	VBP
39142	2779	6	relative	relative	JJ
39142	2779	7	to	to	IN
39142	2779	8	the	the	DT
39142	2779	9	sun	sun	NN
39142	2779	10	.	.	.
39142	2780	1	The	the	DT
39142	2780	2	transverse	transverse	JJ
39142	2780	3	velocities	velocity	NNS
39142	2780	4	are	be	VBP
39142	2780	5	formed	form	VBN
39142	2780	6	by	by	IN
39142	2780	7	using	use	VBG
39142	2780	8	the	the	DT
39142	2780	9	measured	measure	VBN
39142	2780	10	parallaxes	parallax	NNS
39142	2780	11	to	to	TO
39142	2780	12	transform	transform	VB
39142	2780	13	proper	proper	JJ
39142	2780	14	motions	motion	NNS
39142	2780	15	into	into	IN
39142	2780	16	linear	linear	JJ
39142	2780	17	measures	measure	NNS
39142	2780	18	.	.	.
39142	2781	1	They	-PRON-	PRP
39142	2781	2	are	be	VBP
39142	2781	3	given	give	VBN
39142	2781	4	by	by	IN
39142	2781	5	Eddington	Eddington	NNP
39142	2781	6	in	in	IN
39142	2781	7	his	-PRON-	PRP$
39142	2781	8	"	"	``
39142	2781	9	Stellar	Stellar	NNP
39142	2781	10	Movements	movement	NNS
39142	2781	11	"	"	''
39142	2781	12	:	:	:
39142	2781	13	Column	Column	NNP
39142	2781	14	Key	Key	NNP
39142	2781	15	=	=	SYM
39142	2781	16	=	=	NFP
39142	2781	17	=	=	SYM
39142	2781	18	=	=	SYM
39142	2781	19	=	=	SYM
39142	2781	20	=	=	SYM
39142	2781	21	=	=	SYM
39142	2781	22	=	=	SYM
39142	2781	23	=	=	SYM
39142	2781	24	=	=	SYM
39142	2781	25	=	=	SYM
39142	2781	26	=	=	SYM
39142	2781	27	=	=	SYM
39142	2781	28	=	=	SYM
39142	2781	29	=	=	SYM
39142	2781	30	=	=	SYM
39142	2781	31	=	=	SYM
39142	2781	32	=	=	SYM
39142	2781	33	=	=	NFP
39142	2781	34	=	=	NFP
39142	2781	35	A	a	NN
39142	2781	36	)	)	-RRB-
39142	2781	37	Magnitude	Magnitude	NNP
39142	2781	38	B	B	NNP
39142	2781	39	)	)	-RRB-
39142	2781	40	Parallax	Parallax	NNP
39142	2781	41	in	in	IN
39142	2781	42	Seconds	Seconds	NNPS
39142	2781	43	of	of	IN
39142	2781	44	Arc	Arc	NNP
39142	2781	45	C	C	NNP
39142	2781	46	)	)	-RRB-
39142	2781	47	Proper	Proper	NNP
39142	2781	48	Motion	Motion	NNP
39142	2781	49	in	in	IN
39142	2781	50	Seconds	second	NNS
39142	2781	51	of	of	IN
39142	2781	52	Arc	arc	NN
39142	2781	53	D	d	NN
39142	2781	54	)	)	-RRB-
39142	2781	55	Linear	Linear	NNP
39142	2781	56	Velocity	velocity	NN
39142	2781	57	Km	Km	NNP
39142	2781	58	.	.	.
39142	2782	1	per	per	IN
39142	2782	2	sec	sec	NNP
39142	2782	3	.	.	.
39142	2783	1	E	e	LS
39142	2783	2	)	)	-RRB-
39142	2783	3	Radial	radial	JJ
39142	2783	4	Velocity	velocity	NN
39142	2783	5	Km	Km	NNP
39142	2783	6	.	.	.
39142	2784	1	per	per	IN
39142	2784	2	sec	sec	NNP
39142	2784	3	.	.	.
39142	2785	1	F	F	NNP
39142	2785	2	)	)	-RRB-
39142	2785	3	Spectral	Spectral	NNP
39142	2785	4	Type	Type	NNP
39142	2785	5	G	G	NNP
39142	2785	6	)	)	-RRB-
39142	2785	7	Luminosity	luminosity	NN
39142	2785	8	(	(	-LRB-
39142	2785	9	Sun=1	Sun=1	NNP
39142	2785	10	)	)	-RRB-
39142	2785	11	H	H	NNP
39142	2785	12	)	)	-RRB-
39142	2785	13	Star	Star	NNP
39142	2785	14	Stream	Stream	NNP
39142	2785	15	=	=	SYM
39142	2785	16	=	=	NFP
39142	2785	17	=	=	SYM
39142	2785	18	=	=	SYM
39142	2785	19	=	=	SYM
39142	2785	20	=	=	SYM
39142	2785	21	=	=	SYM
39142	2785	22	=	=	SYM
39142	2785	23	=	=	SYM
39142	2785	24	=	=	SYM
39142	2785	25	=	=	SYM
39142	2785	26	=	=	SYM
39142	2785	27	=	=	SYM
39142	2785	28	=	=	SYM
39142	2785	29	=	=	SYM
39142	2785	30	=	=	SYM
39142	2785	31	=	=	SYM
39142	2785	32	=	=	SYM
39142	2785	33	=	=	SYM
39142	2785	34	=	=	SYM
39142	2785	35	=	=	SYM
39142	2785	36	=	=	SYM
39142	2785	37	=	=	SYM
39142	2785	38	=	=	SYM
39142	2785	39	=	=	SYM
39142	2785	40	=	=	SYM
39142	2785	41	=	=	SYM
39142	2785	42	=	=	SYM
39142	2785	43	=	=	SYM
39142	2785	44	=	=	SYM
39142	2785	45	=	=	SYM
39142	2785	46	=	=	SYM
39142	2785	47	=	=	SYM
39142	2785	48	=	=	SYM
39142	2785	49	=	=	SYM
39142	2785	50	=	=	SYM
39142	2785	51	=	=	SYM
39142	2785	52	=	=	SYM
39142	2785	53	=	=	SYM
39142	2785	54	=	=	SYM
39142	2785	55	=	=	SYM
39142	2785	56	=	=	SYM
39142	2785	57	=	=	SYM
39142	2785	58	=	=	SYM
39142	2785	59	=	=	SYM
39142	2785	60	=	=	SYM
39142	2785	61	=	=	SYM
39142	2785	62	=	=	SYM
39142	2785	63	=	=	SYM
39142	2785	64	=	=	SYM
39142	2785	65	=	=	SYM
39142	2785	66	=	=	SYM
39142	2785	67	=	=	SYM
39142	2785	68	=	=	SYM
39142	2785	69	=	=	SYM
39142	2785	70	=	=	SYM
39142	2785	71	=	=	SYM
39142	2785	72	=	=	SYM
39142	2785	73	=	=	SYM
39142	2785	74	=	=	SYM
39142	2785	75	=	=	SYM
39142	2785	76	=	=	SYM
39142	2785	77	=	=	SYM
39142	2785	78	=	=	SYM
39142	2785	79	=	=	SYM
39142	2785	80	=	=	SYM
39142	2785	81	=	=	NFP
39142	2785	82	=	=	SYM
39142	2785	83	Star	Star	NNP
39142	2785	84	's	's	POS
39142	2785	85	Name	Name	NNP
39142	2785	86	|	|	NNP
39142	2785	87	A	A	NNP
39142	2785	88	|	|	NNP
39142	2785	89	B	B	NNP
39142	2785	90	|	|	NNP
39142	2785	91	C	C	NNP
39142	2785	92	|	|	NNP
39142	2785	93	D	D	NNP
39142	2785	94	|	|	NNP
39142	2785	95	E	E	NNP
39142	2785	96	|	|	NNP
39142	2785	97	F	F	NNP
39142	2785	98	|	|	NNP
39142	2785	99	G	G	NNP
39142	2785	100	|	|	NNP
39142	2785	101	H	H	NNP
39142	2785	102	---------------+-----+------+------+-----+-----+------+-------+-----	---------------+-----+------+------+-----+-----+------+-------+-----	NFP
39142	2785	103	Groombridge	groombridge	NN
39142	2785	104	34	34	CD
39142	2785	105	|	|	CD
39142	2785	106	8.2	8.2	CD
39142	2785	107	|	|	CD
39142	2785	108	0.28	0.28	CD
39142	2785	109	|	|	CD
39142	2785	110	2.85	2.85	CD
39142	2785	111	|	|	CD
39142	2785	112	48	48	CD
39142	2785	113	|	|	CD
39142	2785	114	..	..	NFP
39142	2785	115	|	|	NNP
39142	2785	116	Ma	Ma	NNP
39142	2785	117	|	|	NNP
39142	2785	118	0.010	0.010	CD
39142	2785	119	|	|	CD
39142	2785	120	I	I	NNP
39142	2785	121	Eta	Eta	NNP
39142	2785	122	Cassiop	Cassiop	NNP
39142	2785	123	|	|	POS
39142	2785	124	3.6	3.6	CD
39142	2785	125	|	|	CD
39142	2785	126	0.20	0.20	CD
39142	2785	127	|	|	CD
39142	2785	128	1.25	1.25	CD
39142	2785	129	|	|	CD
39142	2785	130	30	30	CD
39142	2785	131	|	|	CD
39142	2785	132	+10	+10	CD
39142	2785	133	|	|	NNP
39142	2785	134	F8	F8	NNP
39142	2785	135	|	|	CD
39142	2785	136	1.4	1.4	CD
39142	2785	137	|	|	NNS
39142	2785	138	I	-PRON-	PRP
39142	2785	139	Tau	Tau	NNP
39142	2785	140	Ceti	Ceti	NNP
39142	2785	141	|	|	NNP
39142	2785	142	3.6	3.6	CD
39142	2785	143	|	|	CD
39142	2785	144	0.33	0.33	CD
39142	2785	145	|	|	CD
39142	2785	146	1.93	1.93	CD
39142	2785	147	|	|	CD
39142	2785	148	28	28	CD
39142	2785	149	|	|	CD
39142	2785	150	-16	-16	CD
39142	2785	151	|	|	NNP
39142	2785	152	K	K	NNP
39142	2785	153	|	|	NNP
39142	2785	154	0.50	0.50	CD
39142	2785	155	|	|	CD
39142	2785	156	II	II	NNP
39142	2785	157	Epsilon	Epsilon	NNP
39142	2785	158	Erid	Erid	NNP
39142	2785	159	|	|	NNP
39142	2785	160	3.3	3.3	CD
39142	2785	161	|	|	CD
39142	2785	162	0.31	0.31	CD
39142	2785	163	|	|	CD
39142	2785	164	1.00	1.00	CD
39142	2785	165	|	|	CD
39142	2785	166	15	15	CD
39142	2785	167	|	|	CD
39142	2785	168	+16	+16	CD
39142	2785	169	|	|	NNP
39142	2785	170	K	K	NNP
39142	2785	171	|	|	NNP
39142	2785	172	0.79	0.79	CD
39142	2785	173	|	|	NNP
39142	2785	174	II	II	NNP
39142	2785	175	CZ	CZ	NNP
39142	2785	176	5h	5h	NNP
39142	2785	177	243	243	CD
39142	2785	178	|	|	CD
39142	2785	179	8.3	8.3	CD
39142	2785	180	|	|	CD
39142	2785	181	0.32	0.32	CD
39142	2785	182	|	|	CD
39142	2785	183	8.70	8.70	CD
39142	2785	184	|	|	CD
39142	2785	185	129	129	CD
39142	2785	186	|+242	|+242	CD
39142	2785	187	|	|	NNP
39142	2785	188	G	G	NNP
39142	2785	189	-	-	HYPH
39142	2785	190	K	K	NNP
39142	2785	191	|	|	NNP
39142	2785	192	0.007	0.007	CD
39142	2785	193	|	|	CD
39142	2785	194	II	II	NNP
39142	2785	195	Sirius	Sirius	NNP
39142	2785	196	|-1.6	|-1.6	NNP
39142	2785	197	|	|	CD
39142	2785	198	0.38	0.38	CD
39142	2785	199	|	|	CD
39142	2785	200	1.32	1.32	CD
39142	2785	201	|	|	CD
39142	2785	202	16	16	CD
39142	2785	203	|	|	CD
39142	2785	204	-7	-7	:
39142	2785	205	|	|	NNP
39142	2785	206	A	A	NNP
39142	2785	207	|48.0	|48.0	CD
39142	2785	208	|	|	NNP
39142	2785	209	II	II	NNP
39142	2785	210	Procyon	Procyon	NNP
39142	2785	211	|	|	NNP
39142	2785	212	0.5	0.5	CD
39142	2785	213	|	|	CD
39142	2785	214	0.32	0.32	CD
39142	2785	215	|	|	CD
39142	2785	216	1.25	1.25	CD
39142	2785	217	|	|	CD
39142	2785	218	19	19	CD
39142	2785	219	|	|	NNP
39142	2785	220	-3	-3	NNP
39142	2785	221	|	|	NNP
39142	2785	222	F5	F5	NNP
39142	2785	223	|	|	CD
39142	2785	224	9.7	9.7	CD
39142	2785	225	|	|	CD
39142	2785	226	I	-PRON-	PRP
39142	2785	227	?	?	.
39142	2786	1	Lal	Lal	NNP
39142	2786	2	.	.	.
39142	2787	1	21185	21185	CD
39142	2787	2	|	|	CD
39142	2787	3	7.6	7.6	CD
39142	2787	4	|	|	CD
39142	2787	5	0.40	0.40	CD
39142	2787	6	|	|	CD
39142	2787	7	4.77	4.77	CD
39142	2787	8	|	|	CD
39142	2787	9	57	57	CD
39142	2787	10	|	|	CD
39142	2787	11	..	..	NFP
39142	2787	12	|	|	NNP
39142	2787	13	Ma	Ma	NNP
39142	2787	14	|	|	NNP
39142	2787	15	0.009	0.009	CD
39142	2787	16	|	|	NNP
39142	2787	17	II	II	NNP
39142	2787	18	Lal	Lal	NNP
39142	2787	19	.	.	.
39142	2788	1	21258	21258	CD
39142	2788	2	|	|	CD
39142	2788	3	8.9	8.9	CD
39142	2788	4	|	|	CD
39142	2788	5	0.20	0.20	CD
39142	2788	6	|	|	CD
39142	2788	7	4.46	4.46	CD
39142	2788	8	|	|	CD
39142	2788	9	106	106	CD
39142	2788	10	|	|	CD
39142	2788	11	..	..	NFP
39142	2788	12	|	|	NNP
39142	2788	13	Ma	Ma	NNP
39142	2788	14	|	|	CD
39142	2788	15	0.011	0.011	CD
39142	2788	16	|	|	NNS
39142	2788	17	I	-PRON-	PRP
39142	2788	18	OA	oa	VBP
39142	2788	19	(	(	-LRB-
39142	2788	20	N	n	NN
39142	2788	21	)	)	-RRB-
39142	2788	22	11677	11677	CD
39142	2788	23	|	|	CD
39142	2788	24	9.2	9.2	CD
39142	2788	25	|	|	CD
39142	2788	26	0.20	0.20	CD
39142	2788	27	|	|	CD
39142	2788	28	3.03	3.03	CD
39142	2788	29	|	|	CD
39142	2788	30	72	72	CD
39142	2788	31	|	|	CD
39142	2788	32	..	..	NFP
39142	2788	33	|	|	NNP
39142	2788	34	..	..	NFP
39142	2788	35	|	|	CD
39142	2788	36	0.008	0.008	CD
39142	2788	37	|	|	NNS
39142	2788	38	I	I	NNP
39142	2788	39	Alpha	Alpha	NNP
39142	2788	40	Centauri	Centauri	NNP
39142	2788	41	|	|	NNP
39142	2788	42	0.3	0.3	CD
39142	2788	43	|	|	CD
39142	2788	44	0.76	0.76	CD
39142	2788	45	|	|	CD
39142	2788	46	3.66	3.66	CD
39142	2788	47	|	|	CD
39142	2788	48	23	23	CD
39142	2788	49	|	|	CD
39142	2788	50	-22	-22	NNP
39142	2788	51	|	|	NNP
39142	2788	52	G	G	NNP
39142	2788	53	,	,	,
39142	2788	54	K5	K5	NNP
39142	2788	55	|{2.0	|{2.0	NNP
39142	2788	56	|	|	NNP
39142	2788	57	I	-PRON-	PRP
39142	2788	58	|	|	CD
39142	2788	59	|	|	NNP
39142	2788	60	|	|	CD
39142	2788	61	|	|	CD
39142	2788	62	|	|	CD
39142	2788	63	|	|	NNS
39142	2788	64	|{0.6	|{0.6	NNP
39142	2788	65	|	|	NNP
39142	2788	66	OA	oa	NN
39142	2788	67	(	(	-LRB-
39142	2788	68	N	n	NN
39142	2788	69	)	)	-RRB-
39142	2788	70	17415	17415	CD
39142	2788	71	|	|	CD
39142	2788	72	9.3	9.3	CD
39142	2788	73	|	|	CD
39142	2788	74	0.27	0.27	CD
39142	2788	75	|	|	CD
39142	2788	76	1.31	1.31	CD
39142	2788	77	|	|	CD
39142	2788	78	23	23	CD
39142	2788	79	|	|	CD
39142	2788	80	..	..	NFP
39142	2788	81	|	|	NNP
39142	2788	82	F	F	NNP
39142	2788	83	|	|	NNP
39142	2788	84	0.004	0.004	CD
39142	2788	85	|	|	NNP
39142	2788	86	II	II	NNP
39142	2788	87	Pos	Pos	NNP
39142	2788	88	.	.	.
39142	2789	1	Med	Med	NNP
39142	2789	2	.	.	.
39142	2790	1	2164	2164	CD
39142	2790	2	|	|	CD
39142	2790	3	8.8	8.8	CD
39142	2790	4	|	|	CD
39142	2790	5	0.29	0.29	CD
39142	2790	6	|	|	CD
39142	2790	7	2.28	2.28	CD
39142	2790	8	|	|	CD
39142	2790	9	37	37	CD
39142	2790	10	|	|	CD
39142	2790	11	..	..	NFP
39142	2790	12	|	|	NNP
39142	2790	13	K	K	NNP
39142	2790	14	|	|	NNP
39142	2790	15	0.006	0.006	CD
39142	2790	16	|	|	CD
39142	2790	17	I	-PRON-	PRP
39142	2790	18	Sigma	Sigma	NNP
39142	2790	19	Draco	Draco	NNP
39142	2790	20	|	|	NNP
39142	2790	21	4.8	4.8	CD
39142	2790	22	|	|	CD
39142	2790	23	0.20	0.20	CD
39142	2790	24	|	|	CD
39142	2790	25	1.84	1.84	CD
39142	2790	26	|	|	CD
39142	2790	27	43	43	CD
39142	2790	28	|	|	CD
39142	2790	29	+25	+25	CD
39142	2790	30	|	|	NNP
39142	2790	31	K	K	NNP
39142	2790	32	|	|	NNP
39142	2790	33	0.5	0.5	CD
39142	2790	34	|	|	CD
39142	2790	35	II	II	NNP
39142	2790	36	Alpha	Alpha	NNP
39142	2790	37	Aquilæ	Aquilæ	NNP
39142	2790	38	|	|	NNP
39142	2790	39	0.9	0.9	CD
39142	2790	40	|	|	CD
39142	2790	41	0.24	0.24	CD
39142	2790	42	|	|	CD
39142	2790	43	0.65	0.65	CD
39142	2790	44	|	|	CD
39142	2790	45	13	13	CD
39142	2790	46	|	|	CD
39142	2790	47	-33	-33	NNP
39142	2790	48	|	|	NNP
39142	2790	49	A5	a5	NN
39142	2790	50	|12.3	|12.3	CD
39142	2790	51	|	|	NNP
39142	2790	52	I	-PRON-	PRP
39142	2790	53	61	61	CD
39142	2790	54	Cygni	Cygni	NNP
39142	2790	55	|	|	NNP
39142	2790	56	5.6	5.6	CD
39142	2790	57	|	|	CD
39142	2790	58	0.31	0.31	CD
39142	2790	59	|	|	CD
39142	2790	60	5.25	5.25	CD
39142	2790	61	|	|	CD
39142	2790	62	80	80	CD
39142	2790	63	|	|	CD
39142	2790	64	-39	-39	CD
39142	2790	65	|	|	CD
39142	2790	66	K5	K5	NNP
39142	2790	67	|	|	CD
39142	2790	68	0.10	0.10	CD
39142	2790	69	|	|	NNP
39142	2790	70	I	I	NNP
39142	2790	71	Epsilon	Epsilon	NNP
39142	2790	72	Indi	Indi	NNP
39142	2790	73	|	|	NNP
39142	2790	74	4.7	4.7	CD
39142	2790	75	|	|	CD
39142	2790	76	0.28	0.28	CD
39142	2790	77	|	|	CD
39142	2790	78	4.67	4.67	CD
39142	2790	79	|	|	CD
39142	2790	80	79	79	CD
39142	2790	81	|	|	CD
39142	2790	82	-62	-62	NNP
39142	2790	83	|	|	HYPH
39142	2790	84	K5	K5	NNP
39142	2790	85	|	|	CD
39142	2790	86	0.25	0.25	CD
39142	2790	87	|	|	NNS
39142	2790	88	I	I	NNP
39142	2790	89	Krüger	Krüger	NNP
39142	2790	90	60	60	CD
39142	2790	91	|	|	NNP
39142	2790	92	9.2	9.2	CD
39142	2790	93	|	|	CD
39142	2790	94	0.26	0.26	CD
39142	2790	95	|	|	CD
39142	2790	96	0.92	0.92	CD
39142	2790	97	|	|	CD
39142	2790	98	17	17	CD
39142	2790	99	|	|	CD
39142	2790	100	..	..	NFP
39142	2790	101	|	|	NNP
39142	2790	102	..	..	NFP
39142	2790	103	|	|	NNP
39142	2790	104	0.005	0.005	CD
39142	2790	105	|	|	NNS
39142	2790	106	II	II	NNP
39142	2790	107	Lacaille	Lacaille	NNP
39142	2790	108	9352	9352	CD
39142	2790	109	|	|	CD
39142	2790	110	7.4	7.4	CD
39142	2790	111	|	|	CD
39142	2790	112	0.29	0.29	CD
39142	2790	113	|	|	CD
39142	2790	114	7.02	7.02	CD
39142	2790	115	|	|	NNP
39142	2790	116	115	115	CD
39142	2790	117	|	|	CD
39142	2790	118	+12	+12	CD
39142	2790	119	|	|	NNP
39142	2790	120	Ma	Ma	NNP
39142	2790	121	|	|	NNP
39142	2790	122	0.019	0.019	CD
39142	2790	123	|	|	NNS
39142	2790	124	I	-PRON-	PRP
39142	2790	125	--------------------------------------------------------------------	--------------------------------------------------------------------	NFP
39142	2790	126	These	these	DT
39142	2790	127	stars	star	NNS
39142	2790	128	are	be	VBP
39142	2790	129	distant	distant	JJ
39142	2790	130	less	less	JJR
39142	2790	131	than	than	IN
39142	2790	132	five	five	CD
39142	2790	133	parsecs	parsecs	NN
39142	2790	134	(	(	-LRB-
39142	2790	135	about	about	RB
39142	2790	136	16	16	CD
39142	2790	137	light	light	NN
39142	2790	138	-	-	HYPH
39142	2790	139	years	year	NNS
39142	2790	140	)	)	-RRB-
39142	2790	141	from	from	IN
39142	2790	142	the	the	DT
39142	2790	143	sun	sun	NN
39142	2790	144	,	,	,
39142	2790	145	so	so	RB
39142	2790	146	they	-PRON-	PRP
39142	2790	147	make	make	VBP
39142	2790	148	up	up	RP
39142	2790	149	the	the	DT
39142	2790	150	closest	close	JJS
39142	2790	151	fringe	fringe	NN
39142	2790	152	of	of	IN
39142	2790	153	the	the	DT
39142	2790	154	stellar	stellar	JJ
39142	2790	155	universe	universe	NN
39142	2790	156	immediately	immediately	RB
39142	2790	157	surrounding	surround	VBG
39142	2790	158	our	-PRON-	PRP$
39142	2790	159	system	system	NN
39142	2790	160	.	.	.
39142	2791	1	The	the	DT
39142	2791	2	large	large	JJ
39142	2791	3	number	number	NN
39142	2791	4	of	of	IN
39142	2791	5	binary	binary	JJ
39142	2791	6	systems	system	NNS
39142	2791	7	is	be	VBZ
39142	2791	8	quite	quite	RB
39142	2791	9	remarkable	remarkable	JJ
39142	2791	10	.	.	.
39142	2792	1	Why	why	WRB
39142	2792	2	some	some	DT
39142	2792	3	stars	star	NNS
39142	2792	4	are	be	VBP
39142	2792	5	single	single	JJ
39142	2792	6	and	and	CC
39142	2792	7	others	other	NNS
39142	2792	8	double	double	JJ
39142	2792	9	is	be	VBZ
39142	2792	10	not	not	RB
39142	2792	11	yet	yet	RB
39142	2792	12	known	know	VBN
39142	2792	13	.	.	.
39142	2793	1	By	by	IN
39142	2793	2	the	the	DT
39142	2793	3	spectroscopic	spectroscopic	JJ
39142	2793	4	method	method	NN
39142	2793	5	the	the	DT
39142	2793	6	proportion	proportion	NN
39142	2793	7	is	be	VBZ
39142	2793	8	not	not	RB
39142	2793	9	so	so	RB
39142	2793	10	large	large	JJ
39142	2793	11	;	;	:
39142	2793	12	Campbell	Campbell	NNP
39142	2793	13	finding	find	VBG
39142	2793	14	that	that	IN
39142	2793	15	about	about	RB
39142	2793	16	one	one	CD
39142	2793	17	quarter	quarter	NN
39142	2793	18	of	of	IN
39142	2793	19	1,600	1,600	CD
39142	2793	20	stars	star	NNS
39142	2793	21	examined	examine	VBN
39142	2793	22	are	be	VBP
39142	2793	23	spectroscopic	spectroscopic	JJ
39142	2793	24	binaries	binary	NNS
39142	2793	25	,	,	,
39142	2793	26	and	and	CC
39142	2793	27	Frost	frost	JJ
39142	2793	28	two	two	CD
39142	2793	29	-	-	HYPH
39142	2793	30	fifths	fifth	NNS
39142	2793	31	to	to	IN
39142	2793	32	a	a	DT
39142	2793	33	half	half	NN
39142	2793	34	.	.	.
39142	2794	1	The	the	DT
39142	2794	2	exceptional	exceptional	JJ
39142	2794	3	number	number	NN
39142	2794	4	of	of	IN
39142	2794	5	large	large	JJ
39142	2794	6	velocities	velocity	NNS
39142	2794	7	is	be	VBZ
39142	2794	8	very	very	RB
39142	2794	9	remarkable	remarkable	JJ
39142	2794	10	;	;	:
39142	2794	11	the	the	DT
39142	2794	12	average	average	JJ
39142	2794	13	transverse	transverse	JJ
39142	2794	14	motion	motion	NN
39142	2794	15	of	of	IN
39142	2794	16	the	the	DT
39142	2794	17	nineteen	nineteen	CD
39142	2794	18	stars	star	NNS
39142	2794	19	is	be	VBZ
39142	2794	20	fifty	fifty	CD
39142	2794	21	kilometers	kilometer	NNS
39142	2794	22	per	per	IN
39142	2794	23	second	second	NN
39142	2794	24	,	,	,
39142	2794	25	whereas	whereas	IN
39142	2794	26	thirty	thirty	CD
39142	2794	27	is	be	VBZ
39142	2794	28	about	about	IN
39142	2794	29	what	what	WP
39142	2794	30	would	would	MD
39142	2794	31	have	have	VB
39142	2794	32	been	be	VBN
39142	2794	33	expected	expect	VBN
39142	2794	34	.	.	.
39142	2795	1	As	as	IN
39142	2795	2	to	to	IN
39142	2795	3	star	star	VB
39142	2795	4	streams	stream	NNS
39142	2795	5	to	to	TO
39142	2795	6	which	which	WDT
39142	2795	7	these	these	DT
39142	2795	8	nearest	near	JJS
39142	2795	9	stars	star	NNS
39142	2795	10	belong	belong	VBP
39142	2795	11	,	,	,
39142	2795	12	eleven	eleven	CD
39142	2795	13	are	be	VBP
39142	2795	14	in	in	IN
39142	2795	15	Stream	Stream	NNP
39142	2795	16	I	-PRON-	PRP
39142	2795	17	and	and	CC
39142	2795	18	eight	eight	CD
39142	2795	19	in	in	IN
39142	2795	20	Stream	Stream	NNP
39142	2795	21	II	II	NNP
39142	2795	22	,	,	,
39142	2795	23	in	in	IN
39142	2795	24	close	close	JJ
39142	2795	25	accord	accord	NN
39142	2795	26	with	with	IN
39142	2795	27	the	the	DT
39142	2795	28	ratio	ratio	NN
39142	2795	29	3:2	3:2	CD
39142	2795	30	given	give	VBN
39142	2795	31	by	by	IN
39142	2795	32	the	the	DT
39142	2795	33	6,000	6,000	CD
39142	2795	34	stars	star	NNS
39142	2795	35	of	of	IN
39142	2795	36	Boss	boss	NN
39142	2795	37	's	's	POS
39142	2795	38	catalogue	catalogue	NN
39142	2795	39	.	.	.
39142	2796	1	"	"	``
39142	2796	2	We	-PRON-	PRP
39142	2796	3	are	be	VBP
39142	2796	4	not	not	RB
39142	2796	5	able	able	JJ
39142	2796	6	,	,	,
39142	2796	7	"	"	''
39142	2796	8	says	say	VBZ
39142	2796	9	Eddington	Eddington	NNP
39142	2796	10	,	,	,
39142	2796	11	"	"	``
39142	2796	12	to	to	TO
39142	2796	13	detect	detect	VB
39142	2796	14	any	any	DT
39142	2796	15	significant	significant	JJ
39142	2796	16	difference	difference	NN
39142	2796	17	between	between	IN
39142	2796	18	the	the	DT
39142	2796	19	luminosities	luminosity	NNS
39142	2796	20	,	,	,
39142	2796	21	spectra	spectra	NNP
39142	2796	22	,	,	,
39142	2796	23	or	or	CC
39142	2796	24	speeds	speed	NNS
39142	2796	25	of	of	IN
39142	2796	26	the	the	DT
39142	2796	27	stars	star	NNS
39142	2796	28	constituting	constitute	VBG
39142	2796	29	the	the	DT
39142	2796	30	two	two	CD
39142	2796	31	streams	stream	NNS
39142	2796	32	.	.	.
39142	2797	1	The	the	DT
39142	2797	2	thorough	thorough	JJ
39142	2797	3	interpenetration	interpenetration	NN
39142	2797	4	of	of	IN
39142	2797	5	the	the	DT
39142	2797	6	two	two	CD
39142	2797	7	star	star	NN
39142	2797	8	streams	streams	NNPS
39142	2797	9	is	be	VBZ
39142	2797	10	well	well	RB
39142	2797	11	illustrated	illustrate	VBN
39142	2797	12	,	,	,
39142	2797	13	since	since	IN
39142	2797	14	we	-PRON-	PRP
39142	2797	15	find	find	VBP
39142	2797	16	even	even	RB
39142	2797	17	in	in	IN
39142	2797	18	this	this	DT
39142	2797	19	small	small	JJ
39142	2797	20	volume	volume	NN
39142	2797	21	of	of	IN
39142	2797	22	space	space	NN
39142	2797	23	that	that	WDT
39142	2797	24	members	member	NNS
39142	2797	25	of	of	IN
39142	2797	26	both	both	DT
39142	2797	27	streams	stream	NNS
39142	2797	28	are	be	VBP
39142	2797	29	mingled	mingle	VBN
39142	2797	30	together	together	RB
39142	2797	31	in	in	IN
39142	2797	32	just	just	RB
39142	2797	33	about	about	IN
39142	2797	34	the	the	DT
39142	2797	35	average	average	JJ
39142	2797	36	proportion	proportion	NN
39142	2797	37	.	.	.
39142	2797	38	"	"	''
39142	2798	1	[	[	-LRB-
39142	2798	2	Illustration	illustration	NN
39142	2798	3	:	:	:
39142	2798	4	THE	the	DT
39142	2798	5	RING	ring	NN
39142	2798	6	NEBULA	NEBULA	NNP
39142	2798	7	IN	in	IN
39142	2798	8	_	_	NNP
39142	2798	9	Lyra	Lyra	NNP
39142	2798	10	_	_	NNP
39142	2798	11	.	.	.
39142	2799	1	This	this	DT
39142	2799	2	is	be	VBZ
39142	2799	3	the	the	DT
39142	2799	4	best	good	JJS
39142	2799	5	example	example	NN
39142	2799	6	of	of	IN
39142	2799	7	the	the	DT
39142	2799	8	annular	annular	JJ
39142	2799	9	and	and	CC
39142	2799	10	elliptic	elliptic	JJ
39142	2799	11	nebulæ	nebulæ	NN
39142	2799	12	,	,	,
39142	2799	13	which	which	WDT
39142	2799	14	are	be	VBP
39142	2799	15	not	not	RB
39142	2799	16	very	very	RB
39142	2799	17	abundant	abundant	JJ
39142	2799	18	.	.	.
39142	2800	1	(	(	-LRB-
39142	2800	2	_	_	NNP
39142	2800	3	Photo	Photo	NNP
39142	2800	4	,	,	,
39142	2800	5	Mt.	Mount	NNP
39142	2801	1	Wilson	Wilson	NNP
39142	2801	2	Solar	Solar	NNP
39142	2801	3	Observatory	Observatory	NNP
39142	2801	4	.	.	.
39142	2801	5	_	_	NNP
39142	2801	6	)	)	-RRB-
39142	2801	7	]	]	-RRB-
39142	2801	8	[	[	-LRB-
39142	2801	9	Illustration	illustration	NN
39142	2801	10	:	:	:
39142	2801	11	THE	the	DT
39142	2801	12	DUMB	DUMB	NNP
39142	2801	13	-	-	HYPH
39142	2801	14	BELL	BELL	NNP
39142	2801	15	NEBULA	NEBULA	NNP
39142	2801	16	OF	of	IN
39142	2801	17	_	_	NNP
39142	2801	18	Vulpecula	Vulpecula	NNP
39142	2801	19	_	_	NNP
39142	2801	20	.	.	.
39142	2802	1	To	to	TO
39142	2802	2	take	take	VB
39142	2802	3	the	the	DT
39142	2802	4	photograph	photograph	NN
39142	2802	5	required	require	VBD
39142	2802	6	an	an	DT
39142	2802	7	exposure	exposure	NN
39142	2802	8	of	of	IN
39142	2802	9	five	five	CD
39142	2802	10	hours	hour	NNS
39142	2802	11	.	.	.
39142	2803	1	(	(	-LRB-
39142	2803	2	_	_	NNP
39142	2803	3	Photo	Photo	NNP
39142	2803	4	,	,	,
39142	2803	5	Mt.	Mount	NNP
39142	2804	1	Wilson	Wilson	NNP
39142	2804	2	Solar	Solar	NNP
39142	2804	3	Observatory	Observatory	NNP
39142	2804	4	.	.	.
39142	2804	5	_	_	NNP
39142	2804	6	)	)	-RRB-
39142	2804	7	]	]	-RRB-
39142	2804	8	CHAPTER	CHAPTER	NNP
39142	2804	9	L	L	NNP
39142	2804	10	ACTUAL	ACTUAL	NNP
39142	2804	11	DIMENSIONS	dimensions	NN
39142	2804	12	OF	of	IN
39142	2804	13	THE	the	DT
39142	2804	14	STARS	star	NNS
39142	2804	15	We	-PRON-	PRP
39142	2804	16	have	have	VBP
39142	2804	17	seen	see	VBN
39142	2804	18	that	that	IN
39142	2804	19	the	the	DT
39142	2804	20	distances	distance	NNS
39142	2804	21	of	of	IN
39142	2804	22	the	the	DT
39142	2804	23	stars	star	NNS
39142	2804	24	from	from	IN
39142	2804	25	the	the	DT
39142	2804	26	solar	solar	JJ
39142	2804	27	system	system	NN
39142	2804	28	are	be	VBP
39142	2804	29	immense	immense	JJ
39142	2804	30	beyond	beyond	IN
39142	2804	31	conception	conception	NN
39142	2804	32	,	,	,
39142	2804	33	and	and	CC
39142	2804	34	millions	million	NNS
39142	2804	35	upon	upon	IN
39142	2804	36	millions	million	NNS
39142	2804	37	of	of	IN
39142	2804	38	them	-PRON-	PRP
39142	2804	39	are	be	VBP
39142	2804	40	probably	probably	RB
39142	2804	41	forever	forever	RB
39142	2804	42	beyond	beyond	IN
39142	2804	43	our	-PRON-	PRP$
39142	2804	44	power	power	NN
39142	2804	45	of	of	IN
39142	2804	46	ascertaining	ascertain	VBG
39142	2804	47	by	by	IN
39142	2804	48	direct	direct	JJ
39142	2804	49	measurement	measurement	NN
39142	2804	50	what	what	WP
39142	2804	51	their	-PRON-	PRP$
39142	2804	52	distance	distance	NN
39142	2804	53	really	really	RB
39142	2804	54	is	be	VBZ
39142	2804	55	.	.	.
39142	2805	1	After	after	IN
39142	2805	2	we	-PRON-	PRP
39142	2805	3	had	have	VBD
39142	2805	4	found	find	VBN
39142	2805	5	the	the	DT
39142	2805	6	sun	sun	NN
39142	2805	7	's	's	POS
39142	2805	8	distance	distance	NN
39142	2805	9	and	and	CC
39142	2805	10	measured	measure	VBD
39142	2805	11	the	the	DT
39142	2805	12	angle	angle	NN
39142	2805	13	filled	fill	VBN
39142	2805	14	by	by	IN
39142	2805	15	his	-PRON-	PRP$
39142	2805	16	disk	disk	NN
39142	2805	17	,	,	,
39142	2805	18	it	-PRON-	PRP
39142	2805	19	was	be	VBD
39142	2805	20	easy	easy	JJ
39142	2805	21	to	to	TO
39142	2805	22	calculate	calculate	VB
39142	2805	23	his	-PRON-	PRP$
39142	2805	24	actual	actual	JJ
39142	2805	25	size	size	NN
39142	2805	26	.	.	.
39142	2806	1	This	this	DT
39142	2806	2	direct	direct	JJ
39142	2806	3	method	method	NN
39142	2806	4	,	,	,
39142	2806	5	however	however	RB
39142	2806	6	,	,	,
39142	2806	7	fails	fail	VBZ
39142	2806	8	when	when	WRB
39142	2806	9	we	-PRON-	PRP
39142	2806	10	try	try	VBP
39142	2806	11	to	to	TO
39142	2806	12	apply	apply	VB
39142	2806	13	it	-PRON-	PRP
39142	2806	14	to	to	IN
39142	2806	15	the	the	DT
39142	2806	16	stars	star	NNS
39142	2806	17	,	,	,
39142	2806	18	because	because	IN
39142	2806	19	their	-PRON-	PRP$
39142	2806	20	distances	distance	NNS
39142	2806	21	are	be	VBP
39142	2806	22	so	so	RB
39142	2806	23	vast	vast	JJ
39142	2806	24	that	that	IN
39142	2806	25	no	no	DT
39142	2806	26	star	star	NN
39142	2806	27	's	's	POS
39142	2806	28	disk	disk	NN
39142	2806	29	fills	fill	VBZ
39142	2806	30	an	an	DT
39142	2806	31	angle	angle	NN
39142	2806	32	of	of	IN
39142	2806	33	any	any	DT
39142	2806	34	appreciable	appreciable	JJ
39142	2806	35	size	size	NN
39142	2806	36	;	;	:
39142	2806	37	and	and	CC
39142	2806	38	even	even	RB
39142	2806	39	if	if	IN
39142	2806	40	we	-PRON-	PRP
39142	2806	41	try	try	VBP
39142	2806	42	to	to	TO
39142	2806	43	get	get	VB
39142	2806	44	a	a	DT
39142	2806	45	disk	disk	NN
39142	2806	46	with	with	IN
39142	2806	47	the	the	DT
39142	2806	48	highest	high	JJS
39142	2806	49	magnifying	magnify	VBG
39142	2806	50	powers	power	NNS
39142	2806	51	of	of	IN
39142	2806	52	a	a	DT
39142	2806	53	great	great	JJ
39142	2806	54	telescope	telescope	NN
39142	2806	55	our	-PRON-	PRP$
39142	2806	56	efforts	effort	NNS
39142	2806	57	end	end	VBP
39142	2806	58	only	only	RB
39142	2806	59	in	in	IN
39142	2806	60	failure	failure	NN
39142	2806	61	.	.	.
39142	2807	1	There	there	EX
39142	2807	2	is	be	VBZ
39142	2807	3	,	,	,
39142	2807	4	indeed	indeed	RB
39142	2807	5	,	,	,
39142	2807	6	no	no	DT
39142	2807	7	instrumentally	instrumentally	RB
39142	2807	8	appreciable	appreciable	JJ
39142	2807	9	angle	angle	NN
39142	2807	10	to	to	TO
39142	2807	11	measure	measure	VB
39142	2807	12	.	.	.
39142	2808	1	How	how	WRB
39142	2808	2	then	then	RB
39142	2808	3	shall	shall	MD
39142	2808	4	we	-PRON-	PRP
39142	2808	5	ascertain	ascertain	VB
39142	2808	6	the	the	DT
39142	2808	7	actual	actual	JJ
39142	2808	8	dimensions	dimension	NNS
39142	2808	9	of	of	IN
39142	2808	10	the	the	DT
39142	2808	11	vast	vast	JJ
39142	2808	12	spheres	sphere	NNS
39142	2808	13	which	which	WDT
39142	2808	14	we	-PRON-	PRP
39142	2808	15	know	know	VBP
39142	2808	16	the	the	DT
39142	2808	17	stars	star	NNS
39142	2808	18	actually	actually	RB
39142	2808	19	are	be	VBP
39142	2808	20	,	,	,
39142	2808	21	as	as	IN
39142	2808	22	they	-PRON-	PRP
39142	2808	23	exist	exist	VBP
39142	2808	24	in	in	IN
39142	2808	25	the	the	DT
39142	2808	26	remotest	remote	JJS
39142	2808	27	regions	region	NNS
39142	2808	28	of	of	IN
39142	2808	29	space	space	NN
39142	2808	30	?	?	.
39142	2809	1	Clearly	clearly	RB
39142	2809	2	by	by	IN
39142	2809	3	indirect	indirect	JJ
39142	2809	4	methods	method	NNS
39142	2809	5	only	only	RB
39142	2809	6	,	,	,
39142	2809	7	and	and	CC
39142	2809	8	it	-PRON-	PRP
39142	2809	9	must	must	MD
39142	2809	10	be	be	VB
39142	2809	11	said	say	VBN
39142	2809	12	that	that	IN
39142	2809	13	astronomers	astronomer	NNS
39142	2809	14	have	have	VBP
39142	2809	15	as	as	RB
39142	2809	16	yet	yet	RB
39142	2809	17	no	no	DT
39142	2809	18	general	general	JJ
39142	2809	19	method	method	NN
39142	2809	20	that	that	WDT
39142	2809	21	yields	yield	VBZ
39142	2809	22	very	very	RB
39142	2809	23	satisfactory	satisfactory	JJ
39142	2809	24	results	result	NNS
39142	2809	25	for	for	IN
39142	2809	26	stellar	stellar	JJ
39142	2809	27	dimensions	dimension	NNS
39142	2809	28	.	.	.
39142	2810	1	The	the	DT
39142	2810	2	actual	actual	JJ
39142	2810	3	magnitude	magnitude	NN
39142	2810	4	of	of	IN
39142	2810	5	the	the	DT
39142	2810	6	variable	variable	JJ
39142	2810	7	system	system	NN
39142	2810	8	of	of	IN
39142	2810	9	Algol	Algol	NNP
39142	2810	10	,	,	,
39142	2810	11	Beta	Beta	NNP
39142	2810	12	Persei	Persei	NNP
39142	2810	13	,	,	,
39142	2810	14	is	be	VBZ
39142	2810	15	among	among	IN
39142	2810	16	the	the	DT
39142	2810	17	best	good	JJS
39142	2810	18	known	know	VBN
39142	2810	19	of	of	IN
39142	2810	20	all	all	PDT
39142	2810	21	the	the	DT
39142	2810	22	stars	star	NNS
39142	2810	23	,	,	,
39142	2810	24	because	because	IN
39142	2810	25	the	the	DT
39142	2810	26	spectroscope	spectroscope	NN
39142	2810	27	measures	measure	VBZ
39142	2810	28	the	the	DT
39142	2810	29	rate	rate	NN
39142	2810	30	of	of	IN
39142	2810	31	approach	approach	NN
39142	2810	32	and	and	CC
39142	2810	33	recession	recession	NN
39142	2810	34	of	of	IN
39142	2810	35	Algol	Algol	NNP
39142	2810	36	when	when	WRB
39142	2810	37	its	-PRON-	PRP$
39142	2810	38	invisible	invisible	JJ
39142	2810	39	satellite	satellite	NN
39142	2810	40	is	be	VBZ
39142	2810	41	in	in	IN
39142	2810	42	opposite	opposite	JJ
39142	2810	43	parts	part	NNS
39142	2810	44	of	of	IN
39142	2810	45	the	the	DT
39142	2810	46	orbit	orbit	NN
39142	2810	47	;	;	:
39142	2810	48	the	the	DT
39142	2810	49	law	law	NN
39142	2810	50	of	of	IN
39142	2810	51	gravitation	gravitation	NN
39142	2810	52	gives	give	VBZ
39142	2810	53	the	the	DT
39142	2810	54	mass	mass	NN
39142	2810	55	of	of	IN
39142	2810	56	the	the	DT
39142	2810	57	star	star	NN
39142	2810	58	and	and	CC
39142	2810	59	the	the	DT
39142	2810	60	size	size	NN
39142	2810	61	of	of	IN
39142	2810	62	its	-PRON-	PRP$
39142	2810	63	orbit	orbit	NN
39142	2810	64	,	,	,
39142	2810	65	and	and	CC
39142	2810	66	so	so	RB
39142	2810	67	the	the	DT
39142	2810	68	length	length	NN
39142	2810	69	of	of	IN
39142	2810	70	the	the	DT
39142	2810	71	eclipse	eclipse	NN
39142	2810	72	gives	give	VBZ
39142	2810	73	the	the	DT
39142	2810	74	actual	actual	JJ
39142	2810	75	size	size	NN
39142	2810	76	of	of	IN
39142	2810	77	the	the	DT
39142	2810	78	dark	dark	JJ
39142	2810	79	,	,	,
39142	2810	80	eclipsing	eclipse	VBG
39142	2810	81	body	body	NN
39142	2810	82	.	.	.
39142	2811	1	This	this	DT
39142	2811	2	figures	figure	VBZ
39142	2811	3	out	out	RP
39142	2811	4	to	to	TO
39142	2811	5	be	be	VB
39142	2811	6	practically	practically	RB
39142	2811	7	the	the	DT
39142	2811	8	same	same	JJ
39142	2811	9	size	size	NN
39142	2811	10	as	as	IN
39142	2811	11	that	that	DT
39142	2811	12	of	of	IN
39142	2811	13	our	-PRON-	PRP$
39142	2811	14	sun	sun	NN
39142	2811	15	,	,	,
39142	2811	16	while	while	IN
39142	2811	17	Algol	Algol	NNP
39142	2811	18	's	's	POS
39142	2811	19	own	own	JJ
39142	2811	20	diameter	diameter	NN
39142	2811	21	is	be	VBZ
39142	2811	22	rather	rather	RB
39142	2811	23	larger	large	JJR
39142	2811	24	,	,	,
39142	2811	25	exceeding	exceed	VBG
39142	2811	26	a	a	DT
39142	2811	27	million	million	CD
39142	2811	28	miles	mile	NNS
39142	2811	29	.	.	.
39142	2812	1	If	if	IN
39142	2812	2	we	-PRON-	PRP
39142	2812	3	try	try	VBP
39142	2812	4	to	to	TO
39142	2812	5	estimate	estimate	VB
39142	2812	6	sizes	size	NNS
39142	2812	7	of	of	IN
39142	2812	8	stars	star	NNS
39142	2812	9	by	by	IN
39142	2812	10	their	-PRON-	PRP$
39142	2812	11	brightness	brightness	NN
39142	2812	12	merely	merely	RB
39142	2812	13	,	,	,
39142	2812	14	we	-PRON-	PRP
39142	2812	15	are	be	VBP
39142	2812	16	soon	soon	RB
39142	2812	17	astray	astray	JJ
39142	2812	18	.	.	.
39142	2813	1	Differences	difference	NNS
39142	2813	2	of	of	IN
39142	2813	3	brightness	brightness	NN
39142	2813	4	are	be	VBP
39142	2813	5	due	due	JJ
39142	2813	6	to	to	IN
39142	2813	7	difference	difference	NN
39142	2813	8	of	of	IN
39142	2813	9	dimensions	dimension	NNS
39142	2813	10	,	,	,
39142	2813	11	of	of	IN
39142	2813	12	course	course	NN
39142	2813	13	,	,	,
39142	2813	14	or	or	CC
39142	2813	15	of	of	IN
39142	2813	16	light	light	NN
39142	2813	17	-	-	HYPH
39142	2813	18	giving	give	VBG
39142	2813	19	area	area	NN
39142	2813	20	;	;	:
39142	2813	21	but	but	CC
39142	2813	22	differences	difference	NNS
39142	2813	23	of	of	IN
39142	2813	24	distance	distance	NN
39142	2813	25	also	also	RB
39142	2813	26	affect	affect	VBP
39142	2813	27	the	the	DT
39142	2813	28	brightness	brightness	NN
39142	2813	29	,	,	,
39142	2813	30	inversely	inversely	RB
39142	2813	31	as	as	IN
39142	2813	32	the	the	DT
39142	2813	33	squares	square	NNS
39142	2813	34	of	of	IN
39142	2813	35	the	the	DT
39142	2813	36	distances	distance	NNS
39142	2813	37	,	,	,
39142	2813	38	while	while	IN
39142	2813	39	differences	difference	NNS
39142	2813	40	of	of	IN
39142	2813	41	temperature	temperature	NN
39142	2813	42	and	and	CC
39142	2813	43	constitution	constitution	NN
39142	2813	44	affect	affect	VBP
39142	2813	45	,	,	,
39142	2813	46	in	in	IN
39142	2813	47	very	very	RB
39142	2813	48	marked	marked	JJ
39142	2813	49	degree	degree	NN
39142	2813	50	,	,	,
39142	2813	51	the	the	DT
39142	2813	52	intrinsic	intrinsic	JJ
39142	2813	53	brilliance	brilliance	NN
39142	2813	54	of	of	IN
39142	2813	55	the	the	DT
39142	2813	56	light	light	RB
39142	2813	57	-	-	HYPH
39142	2813	58	emitting	emit	VBG
39142	2813	59	surface	surface	NN
39142	2813	60	of	of	IN
39142	2813	61	the	the	DT
39142	2813	62	star	star	NN
39142	2813	63	.	.	.
39142	2814	1	There	there	EX
39142	2814	2	are	be	VBP
39142	2814	3	big	big	JJ
39142	2814	4	stars	star	NNS
39142	2814	5	and	and	CC
39142	2814	6	little	little	JJ
39142	2814	7	stars	star	NNS
39142	2814	8	,	,	,
39142	2814	9	stars	star	NNS
39142	2814	10	relatively	relatively	RB
39142	2814	11	near	near	RB
39142	2814	12	to	to	IN
39142	2814	13	us	-PRON-	PRP
39142	2814	14	and	and	CC
39142	2814	15	stars	star	VBZ
39142	2814	16	exceedingly	exceedingly	RB
39142	2814	17	remote	remote	JJ
39142	2814	18	,	,	,
39142	2814	19	and	and	CC
39142	2814	20	stars	star	VBZ
39142	2814	21	highly	highly	RB
39142	2814	22	incandescent	incandescent	JJ
39142	2814	23	as	as	RB
39142	2814	24	well	well	RB
39142	2814	25	as	as	IN
39142	2814	26	others	other	NNS
39142	2814	27	feebly	feebly	RB
39142	2814	28	glowing	glow	VBG
39142	2814	29	.	.	.
39142	2815	1	We	-PRON-	PRP
39142	2815	2	have	have	VBP
39142	2815	3	already	already	RB
39142	2815	4	shown	show	VBN
39142	2815	5	how	how	WRB
39142	2815	6	the	the	DT
39142	2815	7	angular	angular	JJ
39142	2815	8	diameters	diameter	NNS
39142	2815	9	subtended	subtend	VBN
39142	2815	10	by	by	IN
39142	2815	11	many	many	JJ
39142	2815	12	of	of	IN
39142	2815	13	the	the	DT
39142	2815	14	stars	star	NNS
39142	2815	15	have	have	VBP
39142	2815	16	been	be	VBN
39142	2815	17	estimated	estimate	VBN
39142	2815	18	,	,	,
39142	2815	19	through	through	IN
39142	2815	20	the	the	DT
39142	2815	21	relation	relation	NN
39142	2815	22	of	of	IN
39142	2815	23	surface	surface	NN
39142	2815	24	brightness	brightness	NN
39142	2815	25	and	and	CC
39142	2815	26	spectral	spectral	JJ
39142	2815	27	type	type	NN
39142	2815	28	.	.	.
39142	2816	1	Antares	antare	NNS
39142	2816	2	and	and	CC
39142	2816	3	Betelgeuse	Betelgeuse	NNP
39142	2816	4	appear	appear	VBP
39142	2816	5	to	to	TO
39142	2816	6	be	be	VB
39142	2816	7	the	the	DT
39142	2816	8	most	most	RBS
39142	2816	9	inviting	inviting	JJ
39142	2816	10	for	for	IN
39142	2816	11	investigation	investigation	NN
39142	2816	12	,	,	,
39142	2816	13	because	because	IN
39142	2816	14	their	-PRON-	PRP$
39142	2816	15	estimated	estimate	VBN
39142	2816	16	angular	angular	JJ
39142	2816	17	diameters	diameter	NNS
39142	2816	18	are	be	VBP
39142	2816	19	about	about	RB
39142	2816	20	one	one	CD
39142	2816	21	-	-	HYPH
39142	2816	22	twentieth	twentieth	NN
39142	2816	23	of	of	IN
39142	2816	24	a	a	DT
39142	2816	25	second	second	NN
39142	2816	26	of	of	IN
39142	2816	27	arc	arc	NN
39142	2816	28	.	.	.
39142	2817	1	This	this	DT
39142	2817	2	is	be	VBZ
39142	2817	3	the	the	DT
39142	2817	4	way	way	NN
39142	2817	5	in	in	IN
39142	2817	6	which	which	WDT
39142	2817	7	their	-PRON-	PRP$
39142	2817	8	direct	direct	JJ
39142	2817	9	measurement	measurement	NN
39142	2817	10	is	be	VBZ
39142	2817	11	being	be	VBG
39142	2817	12	attempted	attempt	VBN
39142	2817	13	.	.	.
39142	2818	1	As	as	RB
39142	2818	2	early	early	RB
39142	2818	3	as	as	IN
39142	2818	4	1890	1890	CD
39142	2818	5	,	,	,
39142	2818	6	Michelson	Michelson	NNP
39142	2818	7	of	of	IN
39142	2818	8	Chicago	Chicago	NNP
39142	2818	9	suggested	suggest	VBD
39142	2818	10	the	the	DT
39142	2818	11	application	application	NN
39142	2818	12	of	of	IN
39142	2818	13	interference	interference	NN
39142	2818	14	methods	method	NNS
39142	2818	15	to	to	IN
39142	2818	16	the	the	DT
39142	2818	17	accurate	accurate	JJ
39142	2818	18	measurement	measurement	NN
39142	2818	19	of	of	IN
39142	2818	20	very	very	RB
39142	2818	21	small	small	JJ
39142	2818	22	angles	angle	NNS
39142	2818	23	,	,	,
39142	2818	24	such	such	JJ
39142	2818	25	as	as	IN
39142	2818	26	the	the	DT
39142	2818	27	diameters	diameter	NNS
39142	2818	28	of	of	IN
39142	2818	29	the	the	DT
39142	2818	30	minor	minor	JJ
39142	2818	31	planets	planet	NNS
39142	2818	32	,	,	,
39142	2818	33	and	and	CC
39142	2818	34	the	the	DT
39142	2818	35	satellites	satellite	NNS
39142	2818	36	of	of	IN
39142	2818	37	Jupiter	Jupiter	NNP
39142	2818	38	and	and	CC
39142	2818	39	Saturn	Saturn	NNP
39142	2818	40	,	,	,
39142	2818	41	as	as	RB
39142	2818	42	well	well	RB
39142	2818	43	as	as	IN
39142	2818	44	the	the	DT
39142	2818	45	arc	arc	NN
39142	2818	46	distance	distance	NN
39142	2818	47	between	between	IN
39142	2818	48	the	the	DT
39142	2818	49	components	component	NNS
39142	2818	50	of	of	IN
39142	2818	51	double	double	JJ
39142	2818	52	stars	star	NNS
39142	2818	53	.	.	.
39142	2819	1	Two	two	CD
39142	2819	2	portions	portion	NNS
39142	2819	3	of	of	IN
39142	2819	4	the	the	DT
39142	2819	5	object	object	NN
39142	2819	6	glass	glass	NN
39142	2819	7	are	be	VBP
39142	2819	8	used	use	VBN
39142	2819	9	,	,	,
39142	2819	10	as	as	RB
39142	2819	11	far	far	RB
39142	2819	12	apart	apart	RB
39142	2819	13	as	as	IN
39142	2819	14	possible	possible	JJ
39142	2819	15	on	on	IN
39142	2819	16	the	the	DT
39142	2819	17	same	same	JJ
39142	2819	18	diameter	diameter	NN
39142	2819	19	,	,	,
39142	2819	20	and	and	CC
39142	2819	21	the	the	DT
39142	2819	22	interference	interference	NN
39142	2819	23	fringes	fringe	NNS
39142	2819	24	produced	produce	VBN
39142	2819	25	at	at	IN
39142	2819	26	the	the	DT
39142	2819	27	focus	focus	NN
39142	2819	28	of	of	IN
39142	2819	29	the	the	DT
39142	2819	30	objective	objective	NN
39142	2819	31	are	be	VBP
39142	2819	32	then	then	RB
39142	2819	33	the	the	DT
39142	2819	34	subject	subject	NN
39142	2819	35	of	of	IN
39142	2819	36	observation	observation	NN
39142	2819	37	.	.	.
39142	2820	1	These	these	DT
39142	2820	2	fringes	fringe	NNS
39142	2820	3	form	form	VBP
39142	2820	4	a	a	DT
39142	2820	5	series	series	NN
39142	2820	6	of	of	IN
39142	2820	7	equidistant	equidistant	JJ
39142	2820	8	interference	interference	NN
39142	2820	9	bands	band	NNS
39142	2820	10	,	,	,
39142	2820	11	and	and	CC
39142	2820	12	are	be	VBP
39142	2820	13	most	most	RBS
39142	2820	14	distinct	distinct	JJ
39142	2820	15	when	when	WRB
39142	2820	16	the	the	DT
39142	2820	17	light	light	NN
39142	2820	18	comes	come	VBZ
39142	2820	19	from	from	IN
39142	2820	20	a	a	DT
39142	2820	21	source	source	NN
39142	2820	22	subtending	subtend	VBG
39142	2820	23	an	an	DT
39142	2820	24	infinitesimal	infinitesimal	JJ
39142	2820	25	angle	angle	NN
39142	2820	26	.	.	.
39142	2821	1	If	if	IN
39142	2821	2	the	the	DT
39142	2821	3	object	object	NN
39142	2821	4	presents	present	VBZ
39142	2821	5	an	an	DT
39142	2821	6	appreciable	appreciable	JJ
39142	2821	7	angle	angle	NN
39142	2821	8	,	,	,
39142	2821	9	the	the	DT
39142	2821	10	visibility	visibility	NN
39142	2821	11	is	be	VBZ
39142	2821	12	less	less	JJR
39142	2821	13	and	and	CC
39142	2821	14	may	may	MD
39142	2821	15	even	even	RB
39142	2821	16	become	become	VB
39142	2821	17	zero	zero	CD
39142	2821	18	.	.	.
39142	2822	1	Michelson	Michelson	NNP
39142	2822	2	tested	test	VBD
39142	2822	3	this	this	DT
39142	2822	4	method	method	NN
39142	2822	5	on	on	IN
39142	2822	6	the	the	DT
39142	2822	7	satellites	satellite	NNS
39142	2822	8	of	of	IN
39142	2822	9	Jupiter	Jupiter	NNP
39142	2822	10	at	at	IN
39142	2822	11	the	the	DT
39142	2822	12	Lick	Lick	NNP
39142	2822	13	Observatory	Observatory	NNP
39142	2822	14	in	in	IN
39142	2822	15	1891	1891	CD
39142	2822	16	,	,	,
39142	2822	17	and	and	CC
39142	2822	18	showed	show	VBD
39142	2822	19	its	-PRON-	PRP$
39142	2822	20	accuracy	accuracy	NN
39142	2822	21	and	and	CC
39142	2822	22	practicability	practicability	NN
39142	2822	23	.	.	.
39142	2823	1	Nevertheless	nevertheless	RB
39142	2823	2	,	,	,
39142	2823	3	the	the	DT
39142	2823	4	method	method	NN
39142	2823	5	has	have	VBZ
39142	2823	6	not	not	RB
39142	2823	7	been	be	VBN
39142	2823	8	taken	take	VBN
39142	2823	9	up	up	RP
39142	2823	10	by	by	IN
39142	2823	11	astronomers	astronomer	NNS
39142	2823	12	,	,	,
39142	2823	13	until	until	IN
39142	2823	14	very	very	RB
39142	2823	15	recently	recently	RB
39142	2823	16	at	at	IN
39142	2823	17	the	the	DT
39142	2823	18	Mount	Mount	NNP
39142	2823	19	Wilson	Wilson	NNP
39142	2823	20	Observatory	Observatory	NNP
39142	2823	21	,	,	,
39142	2823	22	where	where	WRB
39142	2823	23	Anderson	Anderson	NNP
39142	2823	24	has	have	VBZ
39142	2823	25	applied	apply	VBN
39142	2823	26	it	-PRON-	PRP
39142	2823	27	to	to	IN
39142	2823	28	the	the	DT
39142	2823	29	measurement	measurement	NN
39142	2823	30	of	of	IN
39142	2823	31	close	close	JJ
39142	2823	32	double	double	JJ
39142	2823	33	stars	star	NNS
39142	2823	34	.	.	.
39142	2824	1	It	-PRON-	PRP
39142	2824	2	is	be	VBZ
39142	2824	3	found	find	VBN
39142	2824	4	that	that	IN
39142	2824	5	,	,	,
39142	2824	6	contrary	contrary	JJ
39142	2824	7	to	to	IN
39142	2824	8	general	general	JJ
39142	2824	9	expectation	expectation	NN
39142	2824	10	,	,	,
39142	2824	11	the	the	DT
39142	2824	12	method	method	NN
39142	2824	13	gives	give	VBZ
39142	2824	14	excellent	excellent	JJ
39142	2824	15	results	result	NNS
39142	2824	16	,	,	,
39142	2824	17	even	even	RB
39142	2824	18	if	if	IN
39142	2824	19	the	the	DT
39142	2824	20	"	"	``
39142	2824	21	seeing	seeing	NN
39142	2824	22	"	"	''
39142	2824	23	is	be	VBZ
39142	2824	24	not	not	RB
39142	2824	25	the	the	DT
39142	2824	26	best--2	best--2	NNP
39142	2824	27	on	on	IN
39142	2824	28	a	a	DT
39142	2824	29	scale	scale	NN
39142	2824	30	of	of	IN
39142	2824	31	10	10	CD
39142	2824	32	,	,	,
39142	2824	33	for	for	IN
39142	2824	34	instance	instance	NN
39142	2824	35	.	.	.
39142	2825	1	To	to	TO
39142	2825	2	simplify	simplify	VB
39142	2825	3	the	the	DT
39142	2825	4	manipulation	manipulation	NN
39142	2825	5	of	of	IN
39142	2825	6	the	the	DT
39142	2825	7	interferometer	interferometer	NN
39142	2825	8	,	,	,
39142	2825	9	a	a	DT
39142	2825	10	small	small	JJ
39142	2825	11	plate	plate	NN
39142	2825	12	with	with	IN
39142	2825	13	two	two	CD
39142	2825	14	apertures	aperture	NNS
39142	2825	15	in	in	IN
39142	2825	16	it	-PRON-	PRP
39142	2825	17	is	be	VBZ
39142	2825	18	placed	place	VBN
39142	2825	19	in	in	IN
39142	2825	20	the	the	DT
39142	2825	21	converging	converging	NN
39142	2825	22	beam	beam	NN
39142	2825	23	of	of	IN
39142	2825	24	light	light	NN
39142	2825	25	coming	come	VBG
39142	2825	26	from	from	IN
39142	2825	27	the	the	DT
39142	2825	28	telescope	telescope	NN
39142	2825	29	objective	objective	NN
39142	2825	30	or	or	CC
39142	2825	31	mirror	mirror	NN
39142	2825	32	.	.	.
39142	2826	1	The	the	DT
39142	2826	2	interference	interference	NN
39142	2826	3	fringes	fringe	NNS
39142	2826	4	formed	form	VBN
39142	2826	5	in	in	IN
39142	2826	6	the	the	DT
39142	2826	7	focal	focal	JJ
39142	2826	8	plane	plane	NN
39142	2826	9	are	be	VBP
39142	2826	10	then	then	RB
39142	2826	11	viewed	view	VBN
39142	2826	12	with	with	IN
39142	2826	13	an	an	DT
39142	2826	14	eyepiece	eyepiece	NN
39142	2826	15	of	of	IN
39142	2826	16	very	very	RB
39142	2826	17	high	high	JJ
39142	2826	18	power	power	NN
39142	2826	19	,	,	,
39142	2826	20	many	many	JJ
39142	2826	21	thousand	thousand	CD
39142	2826	22	diameters	diameter	NNS
39142	2826	23	.	.	.
39142	2827	1	The	the	DT
39142	2827	2	resolving	resolve	VBG
39142	2827	3	power	power	NN
39142	2827	4	of	of	IN
39142	2827	5	the	the	DT
39142	2827	6	interferometer	interferometer	NN
39142	2827	7	is	be	VBZ
39142	2827	8	found	find	VBN
39142	2827	9	to	to	TO
39142	2827	10	be	be	VB
39142	2827	11	somewhat	somewhat	RB
39142	2827	12	more	more	JJR
39142	2827	13	than	than	IN
39142	2827	14	double	double	PDT
39142	2827	15	that	that	DT
39142	2827	16	of	of	IN
39142	2827	17	a	a	DT
39142	2827	18	telescope	telescope	NN
39142	2827	19	of	of	IN
39142	2827	20	the	the	DT
39142	2827	21	same	same	JJ
39142	2827	22	aperture	aperture	NN
39142	2827	23	.	.	.
39142	2828	1	By	by	IN
39142	2828	2	applying	apply	VBG
39142	2828	3	the	the	DT
39142	2828	4	interferometer	interferometer	NN
39142	2828	5	method	method	NN
39142	2828	6	to	to	IN
39142	2828	7	Capella	Capella	NNP
39142	2828	8	,	,	,
39142	2828	9	arc	arc	NN
39142	2828	10	distances	distance	NNS
39142	2828	11	of	of	IN
39142	2828	12	much	much	RB
39142	2828	13	less	less	JJR
39142	2828	14	than	than	IN
39142	2828	15	one	one	CD
39142	2828	16	-	-	HYPH
39142	2828	17	twentieth	twentieth	NN
39142	2828	18	of	of	IN
39142	2828	19	a	a	DT
39142	2828	20	second	second	NN
39142	2828	21	of	of	IN
39142	2828	22	arc	arc	NN
39142	2828	23	were	be	VBD
39142	2828	24	measured	measure	VBN
39142	2828	25	.	.	.
39142	2829	1	More	more	RBR
39142	2829	2	recently	recently	RB
39142	2829	3	the	the	DT
39142	2829	4	method	method	NN
39142	2829	5	has	have	VBZ
39142	2829	6	been	be	VBN
39142	2829	7	applied	apply	VBN
39142	2829	8	to	to	IN
39142	2829	9	the	the	DT
39142	2829	10	great	great	JJ
39142	2829	11	star	star	NN
39142	2829	12	Betelgeuse	Betelgeuse	NNP
39142	2829	13	in	in	IN
39142	2829	14	Orion	Orion	NNP
39142	2829	15	,	,	,
39142	2829	16	whose	whose	WP$
39142	2829	17	angular	angular	JJ
39142	2829	18	diameter	diameter	NN
39142	2829	19	was	be	VBD
39142	2829	20	found	find	VBN
39142	2829	21	to	to	TO
39142	2829	22	be	be	VB
39142	2829	23	0".46	0".46	CD
39142	2829	24	,	,	,
39142	2829	25	corresponding	correspond	VBG
39142	2829	26	to	to	IN
39142	2829	27	an	an	DT
39142	2829	28	actual	actual	JJ
39142	2829	29	diameter	diameter	NN
39142	2829	30	of	of	IN
39142	2829	31	260,000,000	260,000,000	CD
39142	2829	32	miles	mile	NNS
39142	2829	33	,	,	,
39142	2829	34	if	if	IN
39142	2829	35	the	the	DT
39142	2829	36	star	star	NN
39142	2829	37	's	's	POS
39142	2829	38	parallax	parallax	NN
39142	2829	39	is	be	VBZ
39142	2829	40	as	as	RB
39142	2829	41	small	small	JJ
39142	2829	42	as	as	IN
39142	2829	43	it	-PRON-	PRP
39142	2829	44	appears	appear	VBZ
39142	2829	45	to	to	TO
39142	2829	46	be	be	VB
39142	2829	47	.	.	.
39142	2830	1	CHAPTER	CHAPTER	NNP
39142	2830	2	LI	LI	NNP
39142	2830	3	THE	the	DT
39142	2830	4	VARIABLE	VARIABLE	NNP
39142	2830	5	STARS	stars	NN
39142	2830	6	Spectacular	spectacular	JJ
39142	2830	7	as	as	IN
39142	2830	8	they	-PRON-	PRP
39142	2830	9	are	be	VBP
39142	2830	10	to	to	IN
39142	2830	11	the	the	DT
39142	2830	12	layman	layman	NN
39142	2830	13	,	,	,
39142	2830	14	novæ	novæ	NNP
39142	2830	15	,	,	,
39142	2830	16	or	or	CC
39142	2830	17	temporary	temporary	JJ
39142	2830	18	stars	star	NNS
39142	2830	19	,	,	,
39142	2830	20	are	be	VBP
39142	2830	21	to	to	IN
39142	2830	22	the	the	DT
39142	2830	23	astronomers	astronomer	NNS
39142	2830	24	simply	simply	RB
39142	2830	25	a	a	DT
39142	2830	26	class	class	NN
39142	2830	27	among	among	IN
39142	2830	28	many	many	JJ
39142	2830	29	thousands	thousand	NNS
39142	2830	30	of	of	IN
39142	2830	31	stars	star	NNS
39142	2830	32	which	which	WDT
39142	2830	33	they	-PRON-	PRP
39142	2830	34	call	call	VBP
39142	2830	35	variables	variable	NNS
39142	2830	36	,	,	,
39142	2830	37	or	or	CC
39142	2830	38	variable	variable	JJ
39142	2830	39	stars	star	NNS
39142	2830	40	.	.	.
39142	2831	1	There	there	EX
39142	2831	2	are	be	VBP
39142	2831	3	a	a	DT
39142	2831	4	few	few	JJ
39142	2831	5	objects	object	NNS
39142	2831	6	classified	classify	VBD
39142	2831	7	as	as	IN
39142	2831	8	irregular	irregular	JJ
39142	2831	9	variables	variable	NNS
39142	2831	10	,	,	,
39142	2831	11	one	one	CD
39142	2831	12	of	of	IN
39142	2831	13	which	which	WDT
39142	2831	14	is	be	VBZ
39142	2831	15	very	very	RB
39142	2831	16	remarkable	remarkable	JJ
39142	2831	17	.	.	.
39142	2832	1	We	-PRON-	PRP
39142	2832	2	refer	refer	VBP
39142	2832	3	to	to	IN
39142	2832	4	Eta	Eta	NNP
39142	2832	5	Argus	Argus	NNP
39142	2832	6	,	,	,
39142	2832	7	an	an	DT
39142	2832	8	erratic	erratic	JJ
39142	2832	9	variable	variable	NN
39142	2832	10	in	in	IN
39142	2832	11	the	the	DT
39142	2832	12	southern	southern	JJ
39142	2832	13	constellation	constellation	NN
39142	2832	14	Argo	Argo	NNP
39142	2832	15	and	and	CC
39142	2832	16	surrounded	surround	VBN
39142	2832	17	by	by	IN
39142	2832	18	a	a	DT
39142	2832	19	well	well	RB
39142	2832	20	-	-	HYPH
39142	2832	21	known	know	VBN
39142	2832	22	nebula	nebula	NN
39142	2832	23	.	.	.
39142	2833	1	There	there	EX
39142	2833	2	is	be	VBZ
39142	2833	3	a	a	DT
39142	2833	4	pretty	pretty	RB
39142	2833	5	complete	complete	JJ
39142	2833	6	record	record	NN
39142	2833	7	of	of	IN
39142	2833	8	this	this	DT
39142	2833	9	star	star	NN
39142	2833	10	.	.	.
39142	2834	1	Halley	Halley	NNP
39142	2834	2	in	in	IN
39142	2834	3	1677	1677	CD
39142	2834	4	when	when	WRB
39142	2834	5	observing	observe	VBG
39142	2834	6	at	at	IN
39142	2834	7	Saint	Saint	NNP
39142	2834	8	Helena	Helena	NNP
39142	2834	9	recorded	record	VBD
39142	2834	10	Eta	Eta	NNP
39142	2834	11	Argus	Argus	NNP
39142	2834	12	as	as	IN
39142	2834	13	of	of	IN
39142	2834	14	the	the	DT
39142	2834	15	fourth	fourth	JJ
39142	2834	16	magnitude	magnitude	NN
39142	2834	17	.	.	.
39142	2835	1	During	during	IN
39142	2835	2	the	the	DT
39142	2835	3	18th	18th	JJ
39142	2835	4	century	century	NN
39142	2835	5	,	,	,
39142	2835	6	it	-PRON-	PRP
39142	2835	7	fluctuated	fluctuate	VBD
39142	2835	8	between	between	IN
39142	2835	9	the	the	DT
39142	2835	10	fourth	fourth	JJ
39142	2835	11	magnitude	magnitude	NN
39142	2835	12	and	and	CC
39142	2835	13	the	the	DT
39142	2835	14	second	second	JJ
39142	2835	15	.	.	.
39142	2836	1	Early	early	RB
39142	2836	2	in	in	IN
39142	2836	3	the	the	DT
39142	2836	4	19th	19th	NN
39142	2836	5	it	-PRON-	PRP
39142	2836	6	rapidly	rapidly	RB
39142	2836	7	waxed	wax	VBD
39142	2836	8	in	in	IN
39142	2836	9	brightness	brightness	NN
39142	2836	10	,	,	,
39142	2836	11	fluctuating	fluctuate	VBG
39142	2836	12	between	between	IN
39142	2836	13	the	the	DT
39142	2836	14	first	first	JJ
39142	2836	15	and	and	CC
39142	2836	16	second	second	JJ
39142	2836	17	magnitudes	magnitude	NNS
39142	2836	18	from	from	IN
39142	2836	19	1822	1822	CD
39142	2836	20	to	to	IN
39142	2836	21	1836	1836	CD
39142	2836	22	.	.	.
39142	2837	1	But	but	CC
39142	2837	2	two	two	CD
39142	2837	3	years	year	NNS
39142	2837	4	later	later	RB
39142	2837	5	its	-PRON-	PRP$
39142	2837	6	light	light	NN
39142	2837	7	tripled	triple	VBD
39142	2837	8	,	,	,
39142	2837	9	rivaling	rival	VBG
39142	2837	10	all	all	PDT
39142	2837	11	the	the	DT
39142	2837	12	fixed	fix	VBN
39142	2837	13	stars	star	NNS
39142	2837	14	except	except	IN
39142	2837	15	Canopus	Canopus	NNP
39142	2837	16	and	and	CC
39142	2837	17	Sirius	Sirius	NNP
39142	2837	18	.	.	.
39142	2838	1	In	in	IN
39142	2838	2	1843	1843	CD
39142	2838	3	it	-PRON-	PRP
39142	2838	4	was	be	VBD
39142	2838	5	even	even	RB
39142	2838	6	brighter	bright	JJR
39142	2838	7	for	for	IN
39142	2838	8	a	a	DT
39142	2838	9	few	few	JJ
39142	2838	10	months	month	NNS
39142	2838	11	,	,	,
39142	2838	12	but	but	CC
39142	2838	13	since	since	IN
39142	2838	14	then	then	RB
39142	2838	15	it	-PRON-	PRP
39142	2838	16	has	have	VBZ
39142	2838	17	declined	decline	VBN
39142	2838	18	fairly	fairly	RB
39142	2838	19	steadily	steadily	RB
39142	2838	20	,	,	,
39142	2838	21	reaching	reach	VBG
39142	2838	22	a	a	DT
39142	2838	23	minimum	minimum	NN
39142	2838	24	at	at	IN
39142	2838	25	magnitude	magnitude	NN
39142	2838	26	seven	seven	CD
39142	2838	27	and	and	CC
39142	2838	28	a	a	DT
39142	2838	29	half	half	NN
39142	2838	30	in	in	IN
39142	2838	31	1886	1886	CD
39142	2838	32	,	,	,
39142	2838	33	with	with	IN
39142	2838	34	a	a	DT
39142	2838	35	slight	slight	JJ
39142	2838	36	increase	increase	NN
39142	2838	37	in	in	IN
39142	2838	38	brightness	brightness	NN
39142	2838	39	more	more	RBR
39142	2838	40	recently	recently	RB
39142	2838	41	.	.	.
39142	2839	1	A	a	DT
39142	2839	2	period	period	NN
39142	2839	3	of	of	IN
39142	2839	4	half	half	PDT
39142	2839	5	a	a	DT
39142	2839	6	century	century	NN
39142	2839	7	has	have	VBZ
39142	2839	8	been	be	VBN
39142	2839	9	suggested	suggest	VBN
39142	2839	10	,	,	,
39142	2839	11	but	but	CC
39142	2839	12	it	-PRON-	PRP
39142	2839	13	is	be	VBZ
39142	2839	14	very	very	RB
39142	2839	15	doubtful	doubtful	JJ
39142	2839	16	if	if	IN
39142	2839	17	Eta	Eta	NNP
39142	2839	18	Argus	Argus	NNP
39142	2839	19	has	have	VBZ
39142	2839	20	any	any	DT
39142	2839	21	regular	regular	JJ
39142	2839	22	period	period	NN
39142	2839	23	of	of	IN
39142	2839	24	variation	variation	NN
39142	2839	25	.	.	.
39142	2840	1	Another	another	DT
39142	2840	2	very	very	RB
39142	2840	3	interesting	interesting	JJ
39142	2840	4	class	class	NN
39142	2840	5	of	of	IN
39142	2840	6	variables	variable	NNS
39142	2840	7	is	be	VBZ
39142	2840	8	known	know	VBN
39142	2840	9	as	as	IN
39142	2840	10	the	the	DT
39142	2840	11	Omicron	Omicron	NNP
39142	2840	12	Ceti	Ceti	NNP
39142	2840	13	type	type	NN
39142	2840	14	.	.	.
39142	2841	1	Nearly	nearly	RB
39142	2841	2	all	all	PDT
39142	2841	3	the	the	DT
39142	2841	4	time	time	NN
39142	2841	5	they	-PRON-	PRP
39142	2841	6	are	be	VBP
39142	2841	7	very	very	RB
39142	2841	8	faint	faint	JJ
39142	2841	9	,	,	,
39142	2841	10	but	but	CC
39142	2841	11	quite	quite	RB
39142	2841	12	suddenly	suddenly	RB
39142	2841	13	they	-PRON-	PRP
39142	2841	14	brighten	brighten	VBP
39142	2841	15	through	through	IN
39142	2841	16	several	several	JJ
39142	2841	17	magnitudes	magnitude	NNS
39142	2841	18	,	,	,
39142	2841	19	and	and	CC
39142	2841	20	then	then	RB
39142	2841	21	fade	fade	VB
39142	2841	22	away	away	RB
39142	2841	23	,	,	,
39142	2841	24	more	more	RBR
39142	2841	25	or	or	CC
39142	2841	26	less	less	RBR
39142	2841	27	slowly	slowly	RB
39142	2841	28	,	,	,
39142	2841	29	to	to	IN
39142	2841	30	their	-PRON-	PRP$
39142	2841	31	normal	normal	JJ
39142	2841	32	condition	condition	NN
39142	2841	33	of	of	IN
39142	2841	34	faintness	faintness	NN
39142	2841	35	.	.	.
39142	2842	1	But	but	CC
39142	2842	2	the	the	DT
39142	2842	3	extraordinary	extraordinary	JJ
39142	2842	4	thing	thing	NN
39142	2842	5	is	be	VBZ
39142	2842	6	that	that	IN
39142	2842	7	most	most	JJS
39142	2842	8	of	of	IN
39142	2842	9	these	these	DT
39142	2842	10	variables	variable	NNS
39142	2842	11	go	go	VBP
39142	2842	12	through	through	IN
39142	2842	13	their	-PRON-	PRP$
39142	2842	14	fluctuations	fluctuation	NNS
39142	2842	15	in	in	IN
39142	2842	16	regular	regular	JJ
39142	2842	17	periods	period	NNS
39142	2842	18	:	:	:
39142	2842	19	from	from	IN
39142	2842	20	six	six	CD
39142	2842	21	months	month	NNS
39142	2842	22	to	to	IN
39142	2842	23	two	two	CD
39142	2842	24	years	year	NNS
39142	2842	25	in	in	IN
39142	2842	26	length	length	NN
39142	2842	27	.	.	.
39142	2843	1	The	the	DT
39142	2843	2	type	type	NN
39142	2843	3	star	star	NN
39142	2843	4	,	,	,
39142	2843	5	Omicron	Omicron	NNP
39142	2843	6	Ceti	Ceti	NNP
39142	2843	7	,	,	,
39142	2843	8	or	or	CC
39142	2843	9	Mira	Mira	NNP
39142	2843	10	,	,	,
39142	2843	11	is	be	VBZ
39142	2843	12	the	the	DT
39142	2843	13	oldest	old	JJS
39142	2843	14	known	know	VBN
39142	2843	15	variable	variable	NN
39142	2843	16	,	,	,
39142	2843	17	having	have	VBG
39142	2843	18	been	be	VBN
39142	2843	19	discovered	discover	VBN
39142	2843	20	by	by	IN
39142	2843	21	Fabricius	Fabricius	NNP
39142	2843	22	in	in	IN
39142	2843	23	1596	1596	CD
39142	2843	24	.	.	.
39142	2844	1	Most	Most	JJS
39142	2844	2	of	of	IN
39142	2844	3	the	the	DT
39142	2844	4	time	time	NN
39142	2844	5	it	-PRON-	PRP
39142	2844	6	is	be	VBZ
39142	2844	7	a	a	DT
39142	2844	8	relatively	relatively	RB
39142	2844	9	faint	faint	JJ
39142	2844	10	star	star	NN
39142	2844	11	of	of	IN
39142	2844	12	the	the	DT
39142	2844	13	12th	12th	JJ
39142	2844	14	magnitude	magnitude	NN
39142	2844	15	;	;	:
39142	2844	16	but	but	CC
39142	2844	17	once	once	RB
39142	2844	18	in	in	IN
39142	2844	19	rather	rather	RB
39142	2844	20	less	less	JJR
39142	2844	21	than	than	IN
39142	2844	22	a	a	DT
39142	2844	23	year	year	NN
39142	2844	24	its	-PRON-	PRP$
39142	2844	25	brightness	brightness	NN
39142	2844	26	runs	run	VBZ
39142	2844	27	up	up	RP
39142	2844	28	to	to	IN
39142	2844	29	the	the	DT
39142	2844	30	fourth	fourth	JJ
39142	2844	31	,	,	,
39142	2844	32	third	third	JJ
39142	2844	33	and	and	CC
39142	2844	34	sometimes	sometimes	RB
39142	2844	35	even	even	RB
39142	2844	36	the	the	DT
39142	2844	37	second	second	JJ
39142	2844	38	magnitude	magnitude	NN
39142	2844	39	,	,	,
39142	2844	40	where	where	WRB
39142	2844	41	it	-PRON-	PRP
39142	2844	42	remains	remain	VBZ
39142	2844	43	for	for	IN
39142	2844	44	a	a	DT
39142	2844	45	week	week	NN
39142	2844	46	or	or	CC
39142	2844	47	ten	ten	CD
39142	2844	48	days	day	NNS
39142	2844	49	,	,	,
39142	2844	50	and	and	CC
39142	2844	51	afterward	afterward	RB
39142	2844	52	it	-PRON-	PRP
39142	2844	53	recedes	recede	VBZ
39142	2844	54	more	more	RBR
39142	2844	55	slowly	slowly	RB
39142	2844	56	to	to	IN
39142	2844	57	its	-PRON-	PRP$
39142	2844	58	usual	usual	JJ
39142	2844	59	faintness	faintness	NN
39142	2844	60	,	,	,
39142	2844	61	the	the	DT
39142	2844	62	entire	entire	JJ
39142	2844	63	rise	rise	NN
39142	2844	64	and	and	CC
39142	2844	65	decline	decline	NN
39142	2844	66	in	in	IN
39142	2844	67	brightness	brightness	NN
39142	2844	68	usually	usually	RB
39142	2844	69	requiring	require	VBG
39142	2844	70	about	about	RB
39142	2844	71	100	100	CD
39142	2844	72	days	day	NNS
39142	2844	73	.	.	.
39142	2845	1	The	the	DT
39142	2845	2	spectrum	spectrum	NN
39142	2845	3	of	of	IN
39142	2845	4	Omicron	Omicron	NNP
39142	2845	5	Ceti	Ceti	NNP
39142	2845	6	contains	contain	VBZ
39142	2845	7	many	many	JJ
39142	2845	8	very	very	RB
39142	2845	9	bright	bright	JJ
39142	2845	10	lines	line	NNS
39142	2845	11	,	,	,
39142	2845	12	and	and	CC
39142	2845	13	a	a	DT
39142	2845	14	large	large	JJ
39142	2845	15	proportion	proportion	NN
39142	2845	16	of	of	IN
39142	2845	17	the	the	DT
39142	2845	18	variable	variable	JJ
39142	2845	19	stars	star	NNS
39142	2845	20	are	be	VBP
39142	2845	21	of	of	IN
39142	2845	22	this	this	DT
39142	2845	23	type	type	NN
39142	2845	24	.	.	.
39142	2846	1	Another	another	DT
39142	2846	2	class	class	NN
39142	2846	3	of	of	IN
39142	2846	4	variables	variable	NNS
39142	2846	5	is	be	VBZ
39142	2846	6	designated	designate	VBN
39142	2846	7	as	as	IN
39142	2846	8	the	the	DT
39142	2846	9	Beta	Beta	NNP
39142	2846	10	Lyræ	Lyræ	NNP
39142	2846	11	type	type	NN
39142	2846	12	.	.	.
39142	2847	1	Their	-PRON-	PRP$
39142	2847	2	periods	period	NNS
39142	2847	3	are	be	VBP
39142	2847	4	quite	quite	RB
39142	2847	5	regular	regular	JJ
39142	2847	6	,	,	,
39142	2847	7	but	but	CC
39142	2847	8	there	there	EX
39142	2847	9	are	be	VBP
39142	2847	10	two	two	CD
39142	2847	11	or	or	CC
39142	2847	12	more	more	JJR
39142	2847	13	maxima	maxima	NNP
39142	2847	14	and	and	CC
39142	2847	15	minima	minima	NNP
39142	2847	16	of	of	IN
39142	2847	17	light	light	NN
39142	2847	18	in	in	IN
39142	2847	19	each	each	DT
39142	2847	20	period	period	NN
39142	2847	21	,	,	,
39142	2847	22	as	as	IN
39142	2847	23	if	if	IN
39142	2847	24	the	the	DT
39142	2847	25	variation	variation	NN
39142	2847	26	were	be	VBD
39142	2847	27	caused	cause	VBN
39142	2847	28	by	by	IN
39142	2847	29	superposed	superpose	VBN
39142	2847	30	relations	relation	NNS
39142	2847	31	in	in	IN
39142	2847	32	some	some	DT
39142	2847	33	way	way	NN
39142	2847	34	.	.	.
39142	2848	1	Their	-PRON-	PRP$
39142	2848	2	spectra	spectra	NNP
39142	2848	3	show	show	VBP
39142	2848	4	a	a	DT
39142	2848	5	complexity	complexity	NN
39142	2848	6	of	of	IN
39142	2848	7	helium	helium	NN
39142	2848	8	and	and	CC
39142	2848	9	hydrogen	hydrogen	NN
39142	2848	10	bands	band	NNS
39142	2848	11	.	.	.
39142	2849	1	No	no	DT
39142	2849	2	wholly	wholly	RB
39142	2849	3	satisfactory	satisfactory	JJ
39142	2849	4	explanation	explanation	NN
39142	2849	5	has	have	VBZ
39142	2849	6	yet	yet	RB
39142	2849	7	been	be	VBN
39142	2849	8	offered	offer	VBN
39142	2849	9	.	.	.
39142	2850	1	Probably	probably	RB
39142	2850	2	they	-PRON-	PRP
39142	2850	3	are	be	VBP
39142	2850	4	double	double	JJ
39142	2850	5	stars	star	NNS
39142	2850	6	revolving	revolve	VBG
39142	2850	7	in	in	IN
39142	2850	8	very	very	RB
39142	2850	9	small	small	JJ
39142	2850	10	orbits	orbit	NNS
39142	2850	11	compared	compare	VBN
39142	2850	12	with	with	IN
39142	2850	13	their	-PRON-	PRP$
39142	2850	14	dimensions	dimension	NNS
39142	2850	15	,	,	,
39142	2850	16	their	-PRON-	PRP$
39142	2850	17	plane	plane	NN
39142	2850	18	of	of	IN
39142	2850	19	motion	motion	NN
39142	2850	20	passing	pass	VBG
39142	2850	21	nearly	nearly	RB
39142	2850	22	through	through	IN
39142	2850	23	the	the	DT
39142	2850	24	earth	earth	NN
39142	2850	25	.	.	.
39142	2851	1	But	but	CC
39142	2851	2	the	the	DT
39142	2851	3	most	most	RBS
39142	2851	4	interesting	interesting	JJ
39142	2851	5	of	of	IN
39142	2851	6	all	all	PDT
39142	2851	7	the	the	DT
39142	2851	8	variables	variable	NNS
39142	2851	9	are	be	VBP
39142	2851	10	those	those	DT
39142	2851	11	of	of	IN
39142	2851	12	the	the	DT
39142	2851	13	Algol	Algol	NNP
39142	2851	14	type	type	NN
39142	2851	15	,	,	,
39142	2851	16	their	-PRON-	PRP$
39142	2851	17	light	light	JJ
39142	2851	18	curves	curve	NNS
39142	2851	19	being	be	VBG
39142	2851	20	just	just	RB
39142	2851	21	the	the	DT
39142	2851	22	reverse	reverse	NN
39142	2851	23	of	of	IN
39142	2851	24	the	the	DT
39142	2851	25	Omicron	Omicron	NNP
39142	2851	26	Ceti	Ceti	NNP
39142	2851	27	type	type	NN
39142	2851	28	;	;	:
39142	2851	29	that	that	RB
39142	2851	30	is	is	RB
39142	2851	31	,	,	,
39142	2851	32	they	-PRON-	PRP
39142	2851	33	are	be	VBP
39142	2851	34	at	at	IN
39142	2851	35	their	-PRON-	PRP$
39142	2851	36	maximum	maximum	JJ
39142	2851	37	brightness	brightness	NN
39142	2851	38	most	most	JJS
39142	2851	39	of	of	IN
39142	2851	40	the	the	DT
39142	2851	41	time	time	NN
39142	2851	42	,	,	,
39142	2851	43	and	and	CC
39142	2851	44	then	then	RB
39142	2851	45	suffer	suffer	VB
39142	2851	46	a	a	DT
39142	2851	47	partial	partial	JJ
39142	2851	48	eclipse	eclipse	NN
39142	2851	49	for	for	IN
39142	2851	50	a	a	DT
39142	2851	51	relatively	relatively	RB
39142	2851	52	brief	brief	JJ
39142	2851	53	interval	interval	NN
39142	2851	54	.	.	.
39142	2852	1	Algol	algol	NN
39142	2852	2	goes	go	VBZ
39142	2852	3	through	through	IN
39142	2852	4	its	-PRON-	PRP$
39142	2852	5	variations	variation	NNS
39142	2852	6	so	so	RB
39142	2852	7	frequently	frequently	RB
39142	2852	8	that	that	IN
39142	2852	9	its	-PRON-	PRP$
39142	2852	10	period	period	NN
39142	2852	11	is	be	VBZ
39142	2852	12	very	very	RB
39142	2852	13	accurately	accurately	RB
39142	2852	14	known	know	VBN
39142	2852	15	;	;	:
39142	2852	16	it	-PRON-	PRP
39142	2852	17	is	be	VBZ
39142	2852	18	2d	2d	CD
39142	2852	19	.	.	.
39142	2853	1	20h	20h	NNS
39142	2853	2	.	.	.
39142	2854	1	48	48	CD
39142	2854	2	m	m	NN
39142	2854	3	.	.	.
39142	2855	1	55.4s	55.4s	CD
39142	2855	2	.	.	.
39142	2856	1	For	for	IN
39142	2856	2	most	most	JJS
39142	2856	3	of	of	IN
39142	2856	4	this	this	DT
39142	2856	5	period	period	NN
39142	2856	6	Algol	Algol	NNP
39142	2856	7	is	be	VBZ
39142	2856	8	an	an	DT
39142	2856	9	easy	easy	JJ
39142	2856	10	second	second	JJ
39142	2856	11	magnitude	magnitude	NN
39142	2856	12	star	star	NN
39142	2856	13	;	;	:
39142	2856	14	then	then	RB
39142	2856	15	in	in	IN
39142	2856	16	about	about	RB
39142	2856	17	four	four	CD
39142	2856	18	and	and	CC
39142	2856	19	a	a	DT
39142	2856	20	half	half	NN
39142	2856	21	hours	hour	NNS
39142	2856	22	it	-PRON-	PRP
39142	2856	23	loses	lose	VBZ
39142	2856	24	nearly	nearly	RB
39142	2856	25	five	five	CD
39142	2856	26	-	-	HYPH
39142	2856	27	sixths	sixth	NNS
39142	2856	28	of	of	IN
39142	2856	29	its	-PRON-	PRP$
39142	2856	30	light	light	NN
39142	2856	31	,	,	,
39142	2856	32	receding	recede	VBG
39142	2856	33	to	to	IN
39142	2856	34	the	the	DT
39142	2856	35	fourth	fourth	JJ
39142	2856	36	magnitude	magnitude	NN
39142	2856	37	.	.	.
39142	2857	1	Here	here	RB
39142	2857	2	at	at	IN
39142	2857	3	minimum	minimum	NN
39142	2857	4	it	-PRON-	PRP
39142	2857	5	remains	remain	VBZ
39142	2857	6	for	for	IN
39142	2857	7	fifteen	fifteen	CD
39142	2857	8	or	or	CC
39142	2857	9	twenty	twenty	CD
39142	2857	10	minutes	minute	NNS
39142	2857	11	,	,	,
39142	2857	12	and	and	CC
39142	2857	13	then	then	RB
39142	2857	14	in	in	IN
39142	2857	15	the	the	DT
39142	2857	16	next	next	JJ
39142	2857	17	three	three	CD
39142	2857	18	and	and	CC
39142	2857	19	a	a	DT
39142	2857	20	half	half	NN
39142	2857	21	hours	hour	NNS
39142	2857	22	it	-PRON-	PRP
39142	2857	23	regains	regain	VBZ
39142	2857	24	its	-PRON-	PRP$
39142	2857	25	full	full	JJ
39142	2857	26	normal	normal	JJ
39142	2857	27	brilliancy	brilliancy	NN
39142	2857	28	of	of	IN
39142	2857	29	the	the	DT
39142	2857	30	second	second	JJ
39142	2857	31	magnitude	magnitude	NN
39142	2857	32	.	.	.
39142	2858	1	During	during	IN
39142	2858	2	these	these	DT
39142	2858	3	fluctuations	fluctuation	NNS
39142	2858	4	the	the	DT
39142	2858	5	star	star	NN
39142	2858	6	's	's	POS
39142	2858	7	spectrum	spectrum	NN
39142	2858	8	undergoes	undergoe	NNS
39142	2858	9	no	no	DT
39142	2858	10	marked	mark	VBN
39142	2858	11	changes	change	NNS
39142	2858	12	.	.	.
39142	2859	1	The	the	DT
39142	2859	2	spectra	spectra	NN
39142	2859	3	of	of	IN
39142	2859	4	all	all	PDT
39142	2859	5	the	the	DT
39142	2859	6	Algol	Algol	NNP
39142	2859	7	variables	variable	NNS
39142	2859	8	are	be	VBP
39142	2859	9	of	of	IN
39142	2859	10	the	the	DT
39142	2859	11	first	first	JJ
39142	2859	12	or	or	CC
39142	2859	13	Sirian	sirian	JJ
39142	2859	14	type	type	NN
39142	2859	15	.	.	.
39142	2860	1	To	to	TO
39142	2860	2	explain	explain	VB
39142	2860	3	the	the	DT
39142	2860	4	variation	variation	NN
39142	2860	5	of	of	IN
39142	2860	6	the	the	DT
39142	2860	7	Algol	Algol	NNP
39142	2860	8	type	type	NN
39142	2860	9	of	of	IN
39142	2860	10	variables	variable	NNS
39142	2860	11	is	be	VBZ
39142	2860	12	easy	easy	JJ
39142	2860	13	:	:	:
39142	2860	14	a	a	DT
39142	2860	15	dark	dark	JJ
39142	2860	16	,	,	,
39142	2860	17	eclipsing	eclipse	VBG
39142	2860	18	body	body	NN
39142	2860	19	,	,	,
39142	2860	20	somewhat	somewhat	RB
39142	2860	21	smaller	small	JJR
39142	2860	22	than	than	IN
39142	2860	23	the	the	DT
39142	2860	24	primary	primary	NN
39142	2860	25	is	be	VBZ
39142	2860	26	supposed	suppose	VBN
39142	2860	27	to	to	TO
39142	2860	28	be	be	VB
39142	2860	29	traveling	travel	VBG
39142	2860	30	round	round	IN
39142	2860	31	it	-PRON-	PRP
39142	2860	32	in	in	IN
39142	2860	33	an	an	DT
39142	2860	34	orbit	orbit	NN
39142	2860	35	lying	lie	VBG
39142	2860	36	nearly	nearly	RB
39142	2860	37	edgewise	edgewise	VBP
39142	2860	38	to	to	IN
39142	2860	39	our	-PRON-	PRP$
39142	2860	40	line	line	NN
39142	2860	41	of	of	IN
39142	2860	42	sight	sight	NN
39142	2860	43	.	.	.
39142	2861	1	The	the	DT
39142	2861	2	gravitation	gravitation	NN
39142	2861	3	of	of	IN
39142	2861	4	this	this	DT
39142	2861	5	dark	dark	JJ
39142	2861	6	companion	companion	NN
39142	2861	7	displaces	displace	NNS
39142	2861	8	Algol	Algol	NNP
39142	2861	9	itself	-PRON-	PRP
39142	2861	10	alternately	alternately	RB
39142	2861	11	toward	toward	IN
39142	2861	12	and	and	CC
39142	2861	13	from	from	IN
39142	2861	14	the	the	DT
39142	2861	15	earth	earth	NN
39142	2861	16	,	,	,
39142	2861	17	because	because	IN
39142	2861	18	the	the	DT
39142	2861	19	two	two	CD
39142	2861	20	bodies	body	NNS
39142	2861	21	revolve	revolve	VBP
39142	2861	22	round	round	IN
39142	2861	23	their	-PRON-	PRP$
39142	2861	24	common	common	JJ
39142	2861	25	center	center	NN
39142	2861	26	of	of	IN
39142	2861	27	gravity	gravity	NN
39142	2861	28	.	.	.
39142	2862	1	With	with	IN
39142	2862	2	the	the	DT
39142	2862	3	spectroscope	spectroscope	NN
39142	2862	4	this	this	DT
39142	2862	5	alternate	alternate	JJ
39142	2862	6	motion	motion	NN
39142	2862	7	of	of	IN
39142	2862	8	Algol	Algol	NNP
39142	2862	9	,	,	,
39142	2862	10	now	now	RB
39142	2862	11	advancing	advance	VBG
39142	2862	12	and	and	CC
39142	2862	13	now	now	RB
39142	2862	14	receding	recede	VBG
39142	2862	15	at	at	IN
39142	2862	16	the	the	DT
39142	2862	17	rate	rate	NN
39142	2862	18	of	of	IN
39142	2862	19	26	26	CD
39142	2862	20	miles	mile	NNS
39142	2862	21	per	per	IN
39142	2862	22	second	second	NN
39142	2862	23	,	,	,
39142	2862	24	has	have	VBZ
39142	2862	25	been	be	VBN
39142	2862	26	demonstrated	demonstrate	VBN
39142	2862	27	;	;	:
39142	2862	28	and	and	CC
39142	2862	29	the	the	DT
39142	2862	30	period	period	NN
39142	2862	31	of	of	IN
39142	2862	32	this	this	DT
39142	2862	33	motion	motion	NN
39142	2862	34	synchronizes	synchronize	VBZ
39142	2862	35	exactly	exactly	RB
39142	2862	36	with	with	IN
39142	2862	37	the	the	DT
39142	2862	38	period	period	NN
39142	2862	39	of	of	IN
39142	2862	40	the	the	DT
39142	2862	41	star	star	NN
39142	2862	42	's	's	POS
39142	2862	43	variability	variability	NN
39142	2862	44	.	.	.
39142	2863	1	Russell	Russell	NNP
39142	2863	2	and	and	CC
39142	2863	3	Shapley	Shapley	NNP
39142	2863	4	have	have	VBP
39142	2863	5	made	make	VBN
39142	2863	6	extended	extended	JJ
39142	2863	7	studies	study	NNS
39142	2863	8	of	of	IN
39142	2863	9	the	the	DT
39142	2863	10	eclipsing	eclipse	VBG
39142	2863	11	binaries	binary	NNS
39142	2863	12	,	,	,
39142	2863	13	and	and	CC
39142	2863	14	developed	develop	VBD
39142	2863	15	the	the	DT
39142	2863	16	formulæ	formulæ	NN
39142	2863	17	by	by	IN
39142	2863	18	which	which	WDT
39142	2863	19	the	the	DT
39142	2863	20	investigations	investigation	NNS
39142	2863	21	of	of	IN
39142	2863	22	their	-PRON-	PRP$
39142	2863	23	orbits	orbit	NNS
39142	2863	24	are	be	VBP
39142	2863	25	conducted	conduct	VBN
39142	2863	26	.	.	.
39142	2864	1	Heretofore	heretofore	RB
39142	2864	2	,	,	,
39142	2864	3	visual	visual	JJ
39142	2864	4	binaries	binary	NNS
39142	2864	5	and	and	CC
39142	2864	6	spectroscopic	spectroscopic	JJ
39142	2864	7	binaries	binary	NNS
39142	2864	8	afforded	afford	VBD
39142	2864	9	the	the	DT
39142	2864	10	only	only	JJ
39142	2864	11	means	mean	NNS
39142	2864	12	of	of	IN
39142	2864	13	deriving	derive	VBG
39142	2864	14	data	datum	NNS
39142	2864	15	regarding	regard	VBG
39142	2864	16	double	double	JJ
39142	2864	17	systems	system	NNS
39142	2864	18	,	,	,
39142	2864	19	but	but	CC
39142	2864	20	it	-PRON-	PRP
39142	2864	21	is	be	VBZ
39142	2864	22	now	now	RB
39142	2864	23	possible	possible	JJ
39142	2864	24	to	to	TO
39142	2864	25	obtain	obtain	VB
39142	2864	26	from	from	IN
39142	2864	27	the	the	DT
39142	2864	28	orbits	orbit	NNS
39142	2864	29	of	of	IN
39142	2864	30	eclipsing	eclipse	VBG
39142	2864	31	variables	variable	NNS
39142	2864	32	fully	fully	RB
39142	2864	33	as	as	IN
39142	2864	34	much	much	JJ
39142	2864	35	information	information	NN
39142	2864	36	relating	relate	VBG
39142	2864	37	to	to	IN
39142	2864	38	binary	binary	JJ
39142	2864	39	systems	system	NNS
39142	2864	40	in	in	IN
39142	2864	41	general	general	JJ
39142	2864	42	and	and	CC
39142	2864	43	their	-PRON-	PRP$
39142	2864	44	bearing	bearing	NN
39142	2864	45	on	on	IN
39142	2864	46	stellar	stellar	JJ
39142	2864	47	evolution	evolution	NN
39142	2864	48	.	.	.
39142	2865	1	After	after	IN
39142	2865	2	an	an	DT
39142	2865	3	orbit	orbit	NN
39142	2865	4	has	have	VBZ
39142	2865	5	been	be	VBN
39142	2865	6	determined	determine	VBN
39142	2865	7	from	from	IN
39142	2865	8	the	the	DT
39142	2865	9	photometric	photometric	JJ
39142	2865	10	data	datum	NNS
39142	2865	11	of	of	IN
39142	2865	12	the	the	DT
39142	2865	13	light	light	JJ
39142	2865	14	curve	curve	NN
39142	2865	15	,	,	,
39142	2865	16	the	the	DT
39142	2865	17	addition	addition	NN
39142	2865	18	of	of	IN
39142	2865	19	spectroscopic	spectroscopic	JJ
39142	2865	20	data	datum	NNS
39142	2865	21	often	often	RB
39142	2865	22	permits	permit	VBZ
39142	2865	23	the	the	DT
39142	2865	24	calculation	calculation	NN
39142	2865	25	of	of	IN
39142	2865	26	the	the	DT
39142	2865	27	masses	masse	NNS
39142	2865	28	,	,	,
39142	2865	29	dimensions	dimension	NNS
39142	2865	30	and	and	CC
39142	2865	31	densities	density	NNS
39142	2865	32	in	in	IN
39142	2865	33	terms	term	NNS
39142	2865	34	of	of	IN
39142	2865	35	the	the	DT
39142	2865	36	sun	sun	NN
39142	2865	37	.	.	.
39142	2866	1	Shapley	Shapley	NNP
39142	2866	2	's	's	POS
39142	2866	3	original	original	JJ
39142	2866	4	investigation	investigation	NN
39142	2866	5	included	include	VBD
39142	2866	6	the	the	DT
39142	2866	7	orbits	orbit	NNS
39142	2866	8	of	of	IN
39142	2866	9	ninety	ninety	CD
39142	2866	10	eclipsing	eclipse	VBG
39142	2866	11	variables	variable	NNS
39142	2866	12	,	,	,
39142	2866	13	and	and	CC
39142	2866	14	with	with	IN
39142	2866	15	the	the	DT
39142	2866	16	aid	aid	NN
39142	2866	17	of	of	IN
39142	2866	18	hypothetical	hypothetical	JJ
39142	2866	19	parallaxes	parallax	NNS
39142	2866	20	,	,	,
39142	2866	21	he	-PRON-	PRP
39142	2866	22	computed	compute	VBD
39142	2866	23	the	the	DT
39142	2866	24	approximate	approximate	JJ
39142	2866	25	position	position	NN
39142	2866	26	of	of	IN
39142	2866	27	each	each	DT
39142	2866	28	system	system	NN
39142	2866	29	in	in	IN
39142	2866	30	space	space	NN
39142	2866	31	.	.	.
39142	2867	1	The	the	DT
39142	2867	2	relation	relation	NN
39142	2867	3	to	to	IN
39142	2867	4	the	the	DT
39142	2867	5	Milky	Milky	NNP
39142	2867	6	Way	Way	NNP
39142	2867	7	is	be	VBZ
39142	2867	8	interesting	interesting	JJ
39142	2867	9	,	,	,
39142	2867	10	the	the	DT
39142	2867	11	condensation	condensation	NN
39142	2867	12	into	into	IN
39142	2867	13	the	the	DT
39142	2867	14	Galactic	galactic	JJ
39142	2867	15	plane	plane	NN
39142	2867	16	being	be	VBG
39142	2867	17	very	very	RB
39142	2867	18	marked	mark	VBN
39142	2867	19	;	;	:
39142	2867	20	only	only	RB
39142	2867	21	thirteen	thirteen	CD
39142	2867	22	of	of	IN
39142	2867	23	the	the	DT
39142	2867	24	ninety	ninety	CD
39142	2867	25	systems	system	NNS
39142	2867	26	being	be	VBG
39142	2867	27	found	find	VBN
39142	2867	28	at	at	IN
39142	2867	29	Galactic	galactic	JJ
39142	2867	30	latitudes	latitude	NNS
39142	2867	31	exceeding	exceed	VBG
39142	2867	32	30	30	CD
39142	2867	33	degrees	degree	NNS
39142	2867	34	.	.	.
39142	2868	1	If	if	IN
39142	2868	2	we	-PRON-	PRP
39142	2868	3	can	can	MD
39142	2868	4	suppose	suppose	VB
39142	2868	5	the	the	DT
39142	2868	6	variable	variable	JJ
39142	2868	7	stars	star	NNS
39142	2868	8	covered	cover	VBN
39142	2868	9	with	with	IN
39142	2868	10	vast	vast	JJ
39142	2868	11	areas	area	NNS
39142	2868	12	of	of	IN
39142	2868	13	spots	spot	NNS
39142	2868	14	,	,	,
39142	2868	15	perhaps	perhaps	RB
39142	2868	16	similar	similar	JJ
39142	2868	17	to	to	IN
39142	2868	18	the	the	DT
39142	2868	19	spots	spot	NNS
39142	2868	20	on	on	IN
39142	2868	21	the	the	DT
39142	2868	22	sun	sun	NN
39142	2868	23	,	,	,
39142	2868	24	and	and	CC
39142	2868	25	then	then	RB
39142	2868	26	combine	combine	VB
39142	2868	27	the	the	DT
39142	2868	28	variation	variation	NN
39142	2868	29	of	of	IN
39142	2868	30	these	these	DT
39142	2868	31	spot	spot	NN
39142	2868	32	areas	area	NNS
39142	2868	33	with	with	IN
39142	2868	34	rotation	rotation	NN
39142	2868	35	of	of	IN
39142	2868	36	the	the	DT
39142	2868	37	star	star	NN
39142	2868	38	on	on	IN
39142	2868	39	its	-PRON-	PRP$
39142	2868	40	axis	axi	NNS
39142	2868	41	,	,	,
39142	2868	42	there	there	EX
39142	2868	43	is	be	VBZ
39142	2868	44	a	a	DT
39142	2868	45	possibility	possibility	NN
39142	2868	46	of	of	IN
39142	2868	47	explanation	explanation	NN
39142	2868	48	of	of	IN
39142	2868	49	many	many	JJ
39142	2868	50	of	of	IN
39142	2868	51	the	the	DT
39142	2868	52	observed	observed	JJ
39142	2868	53	phenomena	phenomenon	NNS
39142	2868	54	,	,	,
39142	2868	55	especially	especially	RB
39142	2868	56	where	where	WRB
39142	2868	57	the	the	DT
39142	2868	58	range	range	NN
39142	2868	59	of	of	IN
39142	2868	60	variation	variation	NN
39142	2868	61	is	be	VBZ
39142	2868	62	small	small	JJ
39142	2868	63	.	.	.
39142	2869	1	But	but	CC
39142	2869	2	for	for	IN
39142	2869	3	the	the	DT
39142	2869	4	Omicron	Omicron	NNP
39142	2869	5	Ceti	Ceti	NNP
39142	2869	6	type	type	NN
39142	2869	7	,	,	,
39142	2869	8	no	no	DT
39142	2869	9	better	well	JJR
39142	2869	10	explanation	explanation	NN
39142	2869	11	offers	offer	VBZ
39142	2869	12	than	than	IN
39142	2869	13	that	that	DT
39142	2869	14	afforded	afford	VBN
39142	2869	15	by	by	IN
39142	2869	16	Sir	Sir	NNP
39142	2869	17	Norman	Norman	NNP
39142	2869	18	Lockyer	Lockyer	NNP
39142	2869	19	's	's	POS
39142	2869	20	collision	collision	NN
39142	2869	21	theory	theory	NN
39142	2869	22	.	.	.
39142	2870	1	First	first	RB
39142	2870	2	he	-PRON-	PRP
39142	2870	3	assumes	assume	VBZ
39142	2870	4	that	that	IN
39142	2870	5	these	these	DT
39142	2870	6	stars	star	NNS
39142	2870	7	are	be	VBP
39142	2870	8	not	not	RB
39142	2870	9	condensed	condense	VBN
39142	2870	10	bodies	body	NNS
39142	2870	11	,	,	,
39142	2870	12	but	but	CC
39142	2870	13	still	still	RB
39142	2870	14	in	in	IN
39142	2870	15	the	the	DT
39142	2870	16	condition	condition	NN
39142	2870	17	of	of	IN
39142	2870	18	meteoric	meteoric	JJ
39142	2870	19	swarms	swarm	NNS
39142	2870	20	,	,	,
39142	2870	21	and	and	CC
39142	2870	22	the	the	DT
39142	2870	23	revolution	revolution	NN
39142	2870	24	of	of	IN
39142	2870	25	lesser	less	JJR
39142	2870	26	swarms	swarm	NNS
39142	2870	27	around	around	IN
39142	2870	28	larger	large	JJR
39142	2870	29	aggregations	aggregation	NNS
39142	2870	30	,	,	,
39142	2870	31	in	in	IN
39142	2870	32	elliptic	elliptic	JJ
39142	2870	33	orbits	orbit	NNS
39142	2870	34	of	of	IN
39142	2870	35	greater	great	JJR
39142	2870	36	or	or	CC
39142	2870	37	less	less	JJR
39142	2870	38	eccentricity	eccentricity	NN
39142	2870	39	,	,	,
39142	2870	40	must	must	MD
39142	2870	41	produce	produce	VB
39142	2870	42	vast	vast	JJ
39142	2870	43	multitudes	multitude	NNS
39142	2870	44	of	of	IN
39142	2870	45	collisions	collision	NNS
39142	2870	46	;	;	,
39142	2870	47	and	and	CC
39142	2870	48	these	these	DT
39142	2870	49	collisions	collision	NNS
39142	2870	50	,	,	,
39142	2870	51	taking	take	VBG
39142	2870	52	place	place	NN
39142	2870	53	at	at	IN
39142	2870	54	pretty	pretty	RB
39142	2870	55	regular	regular	JJ
39142	2870	56	periods	period	NNS
39142	2870	57	,	,	,
39142	2870	58	produce	produce	VBP
39142	2870	59	the	the	DT
39142	2870	60	variable	variable	JJ
39142	2870	61	maximum	maximum	NN
39142	2870	62	light	light	NN
39142	2870	63	by	by	IN
39142	2870	64	raising	raise	VBG
39142	2870	65	hosts	host	NNS
39142	2870	66	of	of	IN
39142	2870	67	meteoric	meteoric	JJ
39142	2870	68	particles	particle	NNS
39142	2870	69	to	to	IN
39142	2870	70	a	a	DT
39142	2870	71	state	state	NN
39142	2870	72	of	of	IN
39142	2870	73	incandescence	incandescence	NN
39142	2870	74	simultaneously	simultaneously	RB
39142	2870	75	.	.	.
39142	2871	1	The	the	DT
39142	2871	2	catalogues	catalogue	NNS
39142	2871	3	of	of	IN
39142	2871	4	variable	variable	JJ
39142	2871	5	stars	star	NNS
39142	2871	6	now	now	RB
39142	2871	7	contain	contain	VBP
39142	2871	8	many	many	JJ
39142	2871	9	thousands	thousand	NNS
39142	2871	10	of	of	IN
39142	2871	11	these	these	DT
39142	2871	12	objects	object	NNS
39142	2871	13	.	.	.
39142	2872	1	They	-PRON-	PRP
39142	2872	2	are	be	VBP
39142	2872	3	often	often	RB
39142	2872	4	designated	designate	VBN
39142	2872	5	by	by	IN
39142	2872	6	the	the	DT
39142	2872	7	letters	letter	NNS
39142	2872	8	R	R	NNP
39142	2872	9	,	,	,
39142	2872	10	S	S	NNP
39142	2872	11	,	,	,
39142	2872	12	T	T	NNP
39142	2872	13	,	,	,
39142	2872	14	and	and	CC
39142	2872	15	so	so	RB
39142	2872	16	on	on	RB
39142	2872	17	,	,	,
39142	2872	18	followed	follow	VBN
39142	2872	19	by	by	IN
39142	2872	20	the	the	DT
39142	2872	21	genitive	genitive	JJ
39142	2872	22	form	form	NN
39142	2872	23	of	of	IN
39142	2872	24	the	the	DT
39142	2872	25	name	name	NN
39142	2872	26	of	of	IN
39142	2872	27	the	the	DT
39142	2872	28	constellation	constellation	NN
39142	2872	29	wherein	wherein	WRB
39142	2872	30	they	-PRON-	PRP
39142	2872	31	are	be	VBP
39142	2872	32	found	find	VBN
39142	2872	33	.	.	.
39142	2873	1	Most	Most	JJS
39142	2873	2	of	of	IN
39142	2873	3	the	the	DT
39142	2873	4	recently	recently	RB
39142	2873	5	found	find	VBN
39142	2873	6	variables	variable	NNS
39142	2873	7	have	have	VBP
39142	2873	8	a	a	DT
39142	2873	9	range	range	NN
39142	2873	10	of	of	IN
39142	2873	11	less	less	JJR
39142	2873	12	than	than	IN
39142	2873	13	one	one	CD
39142	2873	14	magnitude	magnitude	NN
39142	2873	15	.	.	.
39142	2874	1	They	-PRON-	PRP
39142	2874	2	are	be	VBP
39142	2874	3	so	so	RB
39142	2874	4	distributed	distributed	JJ
39142	2874	5	as	as	IN
39142	2874	6	to	to	TO
39142	2874	7	be	be	VB
39142	2874	8	most	most	RBS
39142	2874	9	numerous	numerous	JJ
39142	2874	10	in	in	IN
39142	2874	11	a	a	DT
39142	2874	12	zone	zone	NN
39142	2874	13	inclined	incline	VBN
39142	2874	14	about	about	RB
39142	2874	15	18	18	CD
39142	2874	16	degrees	degree	NNS
39142	2874	17	to	to	IN
39142	2874	18	the	the	DT
39142	2874	19	celestial	celestial	JJ
39142	2874	20	equator	equator	NN
39142	2874	21	,	,	,
39142	2874	22	and	and	CC
39142	2874	23	split	split	VBD
39142	2874	24	in	in	IN
39142	2874	25	two	two	CD
39142	2874	26	near	near	IN
39142	2874	27	where	where	WRB
39142	2874	28	the	the	DT
39142	2874	29	cleft	cleft	NNS
39142	2874	30	in	in	IN
39142	2874	31	the	the	DT
39142	2874	32	Galaxy	Galaxy	NNP
39142	2874	33	is	be	VBZ
39142	2874	34	located	locate	VBN
39142	2874	35	.	.	.
39142	2875	1	Nearly	nearly	RB
39142	2875	2	all	all	PDT
39142	2875	3	the	the	DT
39142	2875	4	temporary	temporary	JJ
39142	2875	5	stars	star	NNS
39142	2875	6	are	be	VBP
39142	2875	7	in	in	IN
39142	2875	8	this	this	DT
39142	2875	9	duplex	duplex	NN
39142	2875	10	region	region	NN
39142	2875	11	.	.	.
39142	2876	1	Bailey	Bailey	NNP
39142	2876	2	of	of	IN
39142	2876	3	Harvard	Harvard	NNP
39142	2876	4	a	a	DT
39142	2876	5	quarter	quarter	NN
39142	2876	6	century	century	NN
39142	2876	7	ago	ago	RB
39142	2876	8	began	begin	VBD
39142	2876	9	the	the	DT
39142	2876	10	investigation	investigation	NN
39142	2876	11	of	of	IN
39142	2876	12	variables	variable	NNS
39142	2876	13	in	in	IN
39142	2876	14	close	close	JJ
39142	2876	15	star	star	NN
39142	2876	16	clusters	cluster	NNS
39142	2876	17	,	,	,
39142	2876	18	where	where	WRB
39142	2876	19	they	-PRON-	PRP
39142	2876	20	are	be	VBP
39142	2876	21	very	very	RB
39142	2876	22	abundant	abundant	JJ
39142	2876	23	,	,	,
39142	2876	24	with	with	IN
39142	2876	25	marked	marked	JJ
39142	2876	26	changes	change	NNS
39142	2876	27	of	of	IN
39142	2876	28	magnitude	magnitude	NN
39142	2876	29	within	within	IN
39142	2876	30	only	only	RB
39142	2876	31	a	a	DT
39142	2876	32	few	few	JJ
39142	2876	33	hours	hour	NNS
39142	2876	34	.	.	.
39142	2877	1	Many	many	JJ
39142	2877	2	amateur	amateur	JJ
39142	2877	3	astronomers	astronomer	NNS
39142	2877	4	afford	afford	VBP
39142	2877	5	very	very	RB
39142	2877	6	great	great	JJ
39142	2877	7	assistance	assistance	NN
39142	2877	8	to	to	IN
39142	2877	9	the	the	DT
39142	2877	10	professional	professional	JJ
39142	2877	11	investigator	investigator	NN
39142	2877	12	of	of	IN
39142	2877	13	variable	variable	JJ
39142	2877	14	stars	star	NNS
39142	2877	15	by	by	IN
39142	2877	16	their	-PRON-	PRP$
39142	2877	17	cooperation	cooperation	NN
39142	2877	18	in	in	IN
39142	2877	19	observing	observe	VBG
39142	2877	20	these	these	DT
39142	2877	21	interesting	interesting	JJ
39142	2877	22	bodies	body	NNS
39142	2877	23	,	,	,
39142	2877	24	in	in	IN
39142	2877	25	particular	particular	JJ
39142	2877	26	the	the	DT
39142	2877	27	American	American	NNP
39142	2877	28	Association	Association	NNP
39142	2877	29	of	of	IN
39142	2877	30	Observers	Observers	NNPS
39142	2877	31	of	of	IN
39142	2877	32	Variable	Variable	NNP
39142	2877	33	Stars	Stars	NNP
39142	2877	34	,	,	,
39142	2877	35	organized	organize	VBN
39142	2877	36	and	and	CC
39142	2877	37	directed	direct	VBN
39142	2877	38	by	by	IN
39142	2877	39	William	William	NNP
39142	2877	40	Tyler	Tyler	NNP
39142	2877	41	Olcott	Olcott	NNP
39142	2877	42	.	.	.
39142	2878	1	For	for	IN
39142	2878	2	a	a	DT
39142	2878	3	high	high	JJ
39142	2878	4	degree	degree	NN
39142	2878	5	of	of	IN
39142	2878	6	accuracy	accuracy	NN
39142	2878	7	in	in	IN
39142	2878	8	determining	determine	VBG
39142	2878	9	stellar	stellar	JJ
39142	2878	10	magnitudes	magnitude	NNS
39142	2878	11	the	the	DT
39142	2878	12	photo	photo	NN
39142	2878	13	-	-	HYPH
39142	2878	14	electric	electric	JJ
39142	2878	15	cell	cell	NN
39142	2878	16	is	be	VBZ
39142	2878	17	unsurpassed	unsurpassed	JJ
39142	2878	18	.	.	.
39142	2879	1	Stebbins	stebbin	NNS
39142	2879	2	of	of	IN
39142	2879	3	Urbana	Urbana	NNP
39142	2879	4	has	have	VBZ
39142	2879	5	been	be	VBN
39142	2879	6	very	very	RB
39142	2879	7	successful	successful	JJ
39142	2879	8	in	in	IN
39142	2879	9	its	-PRON-	PRP$
39142	2879	10	application	application	NN
39142	2879	11	and	and	CC
39142	2879	12	he	-PRON-	PRP
39142	2879	13	discovered	discover	VBD
39142	2879	14	the	the	DT
39142	2879	15	secondary	secondary	JJ
39142	2879	16	minimum	minimum	NN
39142	2879	17	of	of	IN
39142	2879	18	Algol	Algol	NNP
39142	2879	19	with	with	IN
39142	2879	20	the	the	DT
39142	2879	21	selenium	selenium	NN
39142	2879	22	cell	cell	NN
39142	2879	23	.	.	.
39142	2880	1	His	-PRON-	PRP$
39142	2880	2	most	most	RBS
39142	2880	3	recent	recent	JJ
39142	2880	4	work	work	NN
39142	2880	5	was	be	VBD
39142	2880	6	done	do	VBN
39142	2880	7	with	with	IN
39142	2880	8	a	a	DT
39142	2880	9	potassium	potassium	NN
39142	2880	10	cell	cell	NN
39142	2880	11	with	with	IN
39142	2880	12	walls	wall	NNS
39142	2880	13	of	of	IN
39142	2880	14	fused	fuse	VBN
39142	2880	15	quartz	quartz	NN
39142	2880	16	,	,	,
39142	2880	17	perfected	perfect	VBD
39142	2880	18	after	after	IN
39142	2880	19	many	many	JJ
39142	2880	20	trial	trial	NN
39142	2880	21	attempts	attempt	NNS
39142	2880	22	.	.	.
39142	2881	1	The	the	DT
39142	2881	2	stars	star	NNS
39142	2881	3	he	-PRON-	PRP
39142	2881	4	has	have	VBZ
39142	2881	5	recently	recently	RB
39142	2881	6	investigated	investigate	VBN
39142	2881	7	are	be	VBP
39142	2881	8	Lambda	Lambda	NNP
39142	2881	9	Tauri	Tauri	NNP
39142	2881	10	,	,	,
39142	2881	11	and	and	CC
39142	2881	12	Pi	Pi	NNP
39142	2881	13	Five	five	CD
39142	2881	14	Orionis	Orionis	NNPS
39142	2881	15	.	.	.
39142	2882	1	Combining	combine	VBG
39142	2882	2	results	result	NNS
39142	2882	3	with	with	IN
39142	2882	4	those	those	DT
39142	2882	5	reached	reach	VBN
39142	2882	6	by	by	IN
39142	2882	7	the	the	DT
39142	2882	8	spectroscope	spectroscope	NN
39142	2882	9	,	,	,
39142	2882	10	the	the	DT
39142	2882	11	masses	masse	NNS
39142	2882	12	of	of	IN
39142	2882	13	the	the	DT
39142	2882	14	two	two	CD
39142	2882	15	component	component	NN
39142	2882	16	stars	star	NNS
39142	2882	17	of	of	IN
39142	2882	18	the	the	DT
39142	2882	19	former	former	JJ
39142	2882	20	are	be	VBP
39142	2882	21	2.5	2.5	CD
39142	2882	22	and	and	CC
39142	2882	23	1.0	1.0	CD
39142	2882	24	that	that	DT
39142	2882	25	of	of	IN
39142	2882	26	the	the	DT
39142	2882	27	sun	sun	NN
39142	2882	28	,	,	,
39142	2882	29	and	and	CC
39142	2882	30	the	the	DT
39142	2882	31	radii	radii	NN
39142	2882	32	are	be	VBP
39142	2882	33	4.8	4.8	CD
39142	2882	34	and	and	CC
39142	2882	35	3.6	3.6	CD
39142	2882	36	times	time	NNS
39142	2882	37	the	the	DT
39142	2882	38	sun	sun	NN
39142	2882	39	's	's	POS
39142	2882	40	.	.	.
39142	2883	1	Russell	Russell	NNP
39142	2883	2	of	of	IN
39142	2883	3	Princeton	Princeton	NNP
39142	2883	4	thinks	think	VBZ
39142	2883	5	it	-PRON-	PRP
39142	2883	6	probable	probable	JJ
39142	2883	7	that	that	IN
39142	2883	8	similar	similar	JJ
39142	2883	9	causes	cause	NNS
39142	2883	10	are	be	VBP
39142	2883	11	at	at	IN
39142	2883	12	work	work	NN
39142	2883	13	in	in	IN
39142	2883	14	all	all	PDT
39142	2883	15	these	these	DT
39142	2883	16	variables	variable	NNS
39142	2883	17	.	.	.
39142	2884	1	In	in	IN
39142	2884	2	the	the	DT
39142	2884	3	case	case	NN
39142	2884	4	of	of	IN
39142	2884	5	the	the	DT
39142	2884	6	typical	typical	JJ
39142	2884	7	Novæ	Novæ	NNP
39142	2884	8	there	there	EX
39142	2884	9	is	be	VBZ
39142	2884	10	evidence	evidence	NN
39142	2884	11	that	that	IN
39142	2884	12	when	when	WRB
39142	2884	13	the	the	DT
39142	2884	14	outburst	outburst	NN
39142	2884	15	takes	take	VBZ
39142	2884	16	place	place	NN
39142	2884	17	a	a	DT
39142	2884	18	shell	shell	NN
39142	2884	19	of	of	IN
39142	2884	20	incandescent	incandescent	NN
39142	2884	21	gas	gas	NN
39142	2884	22	is	be	VBZ
39142	2884	23	actually	actually	RB
39142	2884	24	ejected	eject	VBN
39142	2884	25	by	by	IN
39142	2884	26	the	the	DT
39142	2884	27	star	star	NN
39142	2884	28	at	at	IN
39142	2884	29	a	a	DT
39142	2884	30	very	very	RB
39142	2884	31	high	high	JJ
39142	2884	32	velocity	velocity	NN
39142	2884	33	.	.	.
39142	2885	1	What	what	WP
39142	2885	2	may	may	MD
39142	2885	3	be	be	VB
39142	2885	4	the	the	DT
39142	2885	5	forces	force	NNS
39142	2885	6	that	that	WDT
39142	2885	7	cause	cause	VBP
39142	2885	8	such	such	PDT
39142	2885	9	an	an	DT
39142	2885	10	explosion	explosion	NN
39142	2885	11	can	can	MD
39142	2885	12	only	only	RB
39142	2885	13	be	be	VB
39142	2885	14	guessed	guess	VBN
39142	2885	15	.	.	.
39142	2886	1	Repeated	repeat	VBN
39142	2886	2	outbursts	outburst	NNS
39142	2886	3	have	have	VBP
39142	2886	4	not	not	RB
39142	2886	5	,	,	,
39142	2886	6	in	in	IN
39142	2886	7	the	the	DT
39142	2886	8	case	case	NN
39142	2886	9	of	of	IN
39142	2886	10	T	T	NNP
39142	2886	11	Pyxidis	Pyxidis	NNP
39142	2886	12	,	,	,
39142	2886	13	destroyed	destroy	VBD
39142	2886	14	the	the	DT
39142	2886	15	star	star	NN
39142	2886	16	,	,	,
39142	2886	17	because	because	IN
39142	2886	18	it	-PRON-	PRP
39142	2886	19	has	have	VBZ
39142	2886	20	gone	go	VBN
39142	2886	21	through	through	IN
39142	2886	22	this	this	DT
39142	2886	23	process	process	NN
39142	2886	24	three	three	CD
39142	2886	25	times	time	NNS
39142	2886	26	in	in	IN
39142	2886	27	the	the	DT
39142	2886	28	past	past	JJ
39142	2886	29	thirty	thirty	CD
39142	2886	30	years	year	NNS
39142	2886	31	.	.	.
39142	2887	1	Russell	Russell	NNP
39142	2887	2	inclines	incline	VBZ
39142	2887	3	to	to	TO
39142	2887	4	regard	regard	VB
39142	2887	5	it	-PRON-	PRP
39142	2887	6	as	as	IN
39142	2887	7	a	a	DT
39142	2887	8	standard	standard	JJ
39142	2887	9	process	process	NN
39142	2887	10	occurring	occur	VBG
39142	2887	11	somewhere	somewhere	RB
39142	2887	12	in	in	IN
39142	2887	13	the	the	DT
39142	2887	14	stellar	stellar	JJ
39142	2887	15	universe	universe	NN
39142	2887	16	probably	probably	RB
39142	2887	17	as	as	RB
39142	2887	18	often	often	RB
39142	2887	19	as	as	IN
39142	2887	20	once	once	RB
39142	2887	21	a	a	DT
39142	2887	22	year	year	NN
39142	2887	23	.	.	.
39142	2888	1	Novæ	Novæ	NNP
39142	2888	2	,	,	,
39142	2888	3	then	then	RB
39142	2888	4	,	,	,
39142	2888	5	can	can	MD
39142	2888	6	not	not	RB
39142	2888	7	be	be	VB
39142	2888	8	due	due	IN
39142	2888	9	to	to	IN
39142	2888	10	collisions	collision	NNS
39142	2888	11	between	between	IN
39142	2888	12	two	two	CD
39142	2888	13	stars	star	NNS
39142	2888	14	,	,	,
39142	2888	15	for	for	IN
39142	2888	16	even	even	RB
39142	2888	17	if	if	IN
39142	2888	18	we	-PRON-	PRP
39142	2888	19	suppose	suppose	VBP
39142	2888	20	the	the	DT
39142	2888	21	stars	star	NNS
39142	2888	22	to	to	TO
39142	2888	23	be	be	VB
39142	2888	24	a	a	DT
39142	2888	25	thousand	thousand	CD
39142	2888	26	millions	million	NNS
39142	2888	27	in	in	IN
39142	2888	28	number	number	NN
39142	2888	29	,	,	,
39142	2888	30	no	no	DT
39142	2888	31	two	two	CD
39142	2888	32	should	should	MD
39142	2888	33	collide	collide	VB
39142	2888	34	except	except	IN
39142	2888	35	at	at	IN
39142	2888	36	average	average	JJ
39142	2888	37	intervals	interval	NNS
39142	2888	38	of	of	IN
39142	2888	39	many	many	JJ
39142	2888	40	million	million	CD
39142	2888	41	years	year	NNS
39142	2888	42	.	.	.
39142	2889	1	The	the	DT
39142	2889	2	idea	idea	NN
39142	2889	3	is	be	VBZ
39142	2889	4	gaining	gain	VBG
39142	2889	5	ground	ground	NN
39142	2889	6	that	that	IN
39142	2889	7	the	the	DT
39142	2889	8	stars	star	NNS
39142	2889	9	are	be	VBP
39142	2889	10	vast	vast	JJ
39142	2889	11	storehouses	storehouse	NNS
39142	2889	12	of	of	IN
39142	2889	13	energy	energy	NN
39142	2889	14	which	which	WDT
39142	2889	15	they	-PRON-	PRP
39142	2889	16	are	be	VBP
39142	2889	17	gradually	gradually	RB
39142	2889	18	transforming	transform	VBG
39142	2889	19	into	into	IN
39142	2889	20	heat	heat	NN
39142	2889	21	and	and	CC
39142	2889	22	radiating	radiate	VBG
39142	2889	23	into	into	IN
39142	2889	24	space	space	NN
39142	2889	25	.	.	.
39142	2890	1	"	"	``
39142	2890	2	Under	under	IN
39142	2890	3	ordinary	ordinary	JJ
39142	2890	4	circumstances	circumstance	NNS
39142	2890	5	,	,	,
39142	2890	6	it	-PRON-	PRP
39142	2890	7	is	be	VBZ
39142	2890	8	probable	probable	JJ
39142	2890	9	that	that	IN
39142	2890	10	the	the	DT
39142	2890	11	rate	rate	NN
39142	2890	12	of	of	IN
39142	2890	13	generation	generation	NN
39142	2890	14	of	of	IN
39142	2890	15	heat	heat	NN
39142	2890	16	is	be	VBZ
39142	2890	17	automatically	automatically	RB
39142	2890	18	regulated	regulate	VBN
39142	2890	19	to	to	TO
39142	2890	20	balance	balance	VB
39142	2890	21	the	the	DT
39142	2890	22	loss	loss	NN
39142	2890	23	by	by	IN
39142	2890	24	radiation	radiation	NN
39142	2890	25	.	.	.
39142	2891	1	But	but	CC
39142	2891	2	it	-PRON-	PRP
39142	2891	3	is	be	VBZ
39142	2891	4	quite	quite	RB
39142	2891	5	conceivable	conceivable	JJ
39142	2891	6	that	that	IN
39142	2891	7	some	some	DT
39142	2891	8	sudden	sudden	JJ
39142	2891	9	disturbance	disturbance	NN
39142	2891	10	in	in	IN
39142	2891	11	the	the	DT
39142	2891	12	substance	substance	NN
39142	2891	13	of	of	IN
39142	2891	14	the	the	DT
39142	2891	15	star	star	NN
39142	2891	16	,	,	,
39142	2891	17	near	near	IN
39142	2891	18	the	the	DT
39142	2891	19	surface	surface	NN
39142	2891	20	,	,	,
39142	2891	21	might	may	MD
39142	2891	22	cause	cause	VB
39142	2891	23	an	an	DT
39142	2891	24	abrupt	abrupt	JJ
39142	2891	25	liberation	liberation	NN
39142	2891	26	of	of	IN
39142	2891	27	a	a	DT
39142	2891	28	great	great	JJ
39142	2891	29	amount	amount	NN
39142	2891	30	of	of	IN
39142	2891	31	energy	energy	NN
39142	2891	32	,	,	,
39142	2891	33	sufficient	sufficient	JJ
39142	2891	34	to	to	TO
39142	2891	35	heat	heat	VB
39142	2891	36	the	the	DT
39142	2891	37	surface	surface	NN
39142	2891	38	excessively	excessively	RB
39142	2891	39	,	,	,
39142	2891	40	and	and	CC
39142	2891	41	drive	drive	VB
39142	2891	42	the	the	DT
39142	2891	43	hot	hot	JJ
39142	2891	44	material	material	NN
39142	2891	45	off	off	RP
39142	2891	46	into	into	IN
39142	2891	47	infinite	infinite	JJ
39142	2891	48	space	space	NN
39142	2891	49	,	,	,
39142	2891	50	in	in	IN
39142	2891	51	much	much	RB
39142	2891	52	the	the	DT
39142	2891	53	form	form	NN
39142	2891	54	of	of	IN
39142	2891	55	a	a	DT
39142	2891	56	shell	shell	NN
39142	2891	57	of	of	IN
39142	2891	58	gas	gas	NN
39142	2891	59	,	,	,
39142	2891	60	as	as	IN
39142	2891	61	seems	seem	VBZ
39142	2891	62	to	to	TO
39142	2891	63	have	have	VB
39142	2891	64	been	be	VBN
39142	2891	65	observed	observe	VBN
39142	2891	66	in	in	IN
39142	2891	67	the	the	DT
39142	2891	68	case	case	NN
39142	2891	69	of	of	IN
39142	2891	70	Nova	Nova	NNP
39142	2891	71	Aquilæ	Aquilæ	NNP
39142	2891	72	....	....	.
39142	2891	73	With	with	IN
39142	2891	74	the	the	DT
39142	2891	75	rapid	rapid	JJ
39142	2891	76	advance	advance	NN
39142	2891	77	of	of	IN
39142	2891	78	our	-PRON-	PRP$
39142	2891	79	knowledge	knowledge	NN
39142	2891	80	of	of	IN
39142	2891	81	the	the	DT
39142	2891	82	properties	property	NNS
39142	2891	83	of	of	IN
39142	2891	84	the	the	DT
39142	2891	85	stars	star	NNS
39142	2891	86	on	on	IN
39142	2891	87	one	one	CD
39142	2891	88	hand	hand	NN
39142	2891	89	,	,	,
39142	2891	90	and	and	CC
39142	2891	91	of	of	IN
39142	2891	92	the	the	DT
39142	2891	93	very	very	JJ
39142	2891	94	nuclei	nucleus	NNS
39142	2891	95	of	of	IN
39142	2891	96	atoms	atom	NNS
39142	2891	97	on	on	IN
39142	2891	98	the	the	DT
39142	2891	99	other	other	JJ
39142	2891	100	,	,	,
39142	2891	101	we	-PRON-	PRP
39142	2891	102	may	may	MD
39142	2891	103	,	,	,
39142	2891	104	perhaps	perhaps	RB
39142	2891	105	before	before	IN
39142	2891	106	many	many	JJ
39142	2891	107	years	year	NNS
39142	2891	108	have	have	VBP
39142	2891	109	passed	pass	VBN
39142	2891	110	,	,	,
39142	2891	111	find	find	VB
39142	2891	112	ourselves	-PRON-	PRP
39142	2891	113	nearer	nearer	IN
39142	2891	114	a	a	DT
39142	2891	115	solution	solution	NN
39142	2891	116	of	of	IN
39142	2891	117	the	the	DT
39142	2891	118	problem	problem	NN
39142	2891	119	.	.	.
39142	2891	120	"	"	''
39142	2892	1	The	the	DT
39142	2892	2	Cepheid	Cepheid	NNP
39142	2892	3	variables	variable	NNS
39142	2892	4	increase	increase	VBP
39142	2892	5	very	very	RB
39142	2892	6	rapidly	rapidly	RB
39142	2892	7	in	in	IN
39142	2892	8	brightness	brightness	NN
39142	2892	9	from	from	IN
39142	2892	10	their	-PRON-	PRP$
39142	2892	11	least	least	JJS
39142	2892	12	light	light	NN
39142	2892	13	to	to	IN
39142	2892	14	their	-PRON-	PRP$
39142	2892	15	maximum	maximum	NN
39142	2892	16	,	,	,
39142	2892	17	and	and	CC
39142	2892	18	then	then	RB
39142	2892	19	fade	fade	VB
39142	2892	20	out	out	RP
39142	2892	21	much	much	RB
39142	2892	22	more	more	RBR
39142	2892	23	slowly	slowly	RB
39142	2892	24	,	,	,
39142	2892	25	with	with	IN
39142	2892	26	certain	certain	JJ
39142	2892	27	irregularities	irregularity	NNS
39142	2892	28	or	or	CC
39142	2892	29	roughnesses	roughness	NNS
39142	2892	30	of	of	IN
39142	2892	31	their	-PRON-	PRP$
39142	2892	32	light	light	JJ
39142	2892	33	-	-	HYPH
39142	2892	34	curves	curve	NNS
39142	2892	35	when	when	WRB
39142	2892	36	declining	decline	VBG
39142	2892	37	.	.	.
39142	2893	1	Their	-PRON-	PRP$
39142	2893	2	spectral	spectral	JJ
39142	2893	3	lines	line	NNS
39142	2893	4	also	also	RB
39142	2893	5	shift	shift	VBP
39142	2893	6	in	in	IN
39142	2893	7	period	period	NN
39142	2893	8	with	with	IN
39142	2893	9	their	-PRON-	PRP$
39142	2893	10	variations	variation	NNS
39142	2893	11	of	of	IN
39142	2893	12	light	light	NN
39142	2893	13	.	.	.
39142	2894	1	In	in	IN
39142	2894	2	the	the	DT
39142	2894	3	case	case	NN
39142	2894	4	of	of	IN
39142	2894	5	these	these	DT
39142	2894	6	variables	variable	NNS
39142	2894	7	,	,	,
39142	2894	8	whose	whose	WP$
39142	2894	9	regular	regular	JJ
39142	2894	10	fluctuation	fluctuation	NN
39142	2894	11	of	of	IN
39142	2894	12	light	light	NN
39142	2894	13	can	can	MD
39142	2894	14	not	not	RB
39142	2894	15	be	be	VB
39142	2894	16	due	due	JJ
39142	2894	17	to	to	IN
39142	2894	18	eclipse	eclipse	NN
39142	2894	19	,	,	,
39142	2894	20	and	and	CC
39142	2894	21	is	be	VBZ
39142	2894	22	as	as	IN
39142	2894	23	a	a	DT
39142	2894	24	rule	rule	NN
39142	2894	25	embraced	embrace	VBD
39142	2894	26	within	within	IN
39142	2894	27	a	a	DT
39142	2894	28	few	few	JJ
39142	2894	29	days	day	NNS
39142	2894	30	,	,	,
39142	2894	31	there	there	EX
39142	2894	32	is	be	VBZ
39142	2894	33	a	a	DT
39142	2894	34	fluctuation	fluctuation	NN
39142	2894	35	in	in	IN
39142	2894	36	color	color	NN
39142	2894	37	also	also	RB
39142	2894	38	between	between	IN
39142	2894	39	maximum	maximum	JJ
39142	2894	40	and	and	CC
39142	2894	41	minimum	minimum	NN
39142	2894	42	,	,	,
39142	2894	43	as	as	IN
39142	2894	44	if	if	IN
39142	2894	45	there	there	EX
39142	2894	46	were	be	VBD
39142	2894	47	a	a	DT
39142	2894	48	periodic	periodic	JJ
39142	2894	49	change	change	NN
39142	2894	50	in	in	IN
39142	2894	51	the	the	DT
39142	2894	52	star	star	NN
39142	2894	53	's	's	POS
39142	2894	54	physical	physical	JJ
39142	2894	55	condition	condition	NN
39142	2894	56	.	.	.
39142	2895	1	Eddington	Eddington	NNP
39142	2895	2	and	and	CC
39142	2895	3	Shapley	Shapley	NNP
39142	2895	4	advocate	advocate	VBP
39142	2895	5	the	the	DT
39142	2895	6	theory	theory	NN
39142	2895	7	of	of	IN
39142	2895	8	a	a	DT
39142	2895	9	mechanical	mechanical	JJ
39142	2895	10	pulsation	pulsation	NN
39142	2895	11	of	of	IN
39142	2895	12	the	the	DT
39142	2895	13	star	star	NN
39142	2895	14	as	as	IN
39142	2895	15	most	most	RBS
39142	2895	16	plausible	plausible	JJ
39142	2895	17	.	.	.
39142	2896	1	Knowledge	knowledge	NN
39142	2896	2	of	of	IN
39142	2896	3	the	the	DT
39142	2896	4	internal	internal	JJ
39142	2896	5	conditions	condition	NNS
39142	2896	6	of	of	IN
39142	2896	7	the	the	DT
39142	2896	8	stars	star	NNS
39142	2896	9	make	make	VBP
39142	2896	10	it	-PRON-	PRP
39142	2896	11	possible	possible	JJ
39142	2896	12	to	to	TO
39142	2896	13	predict	predict	VB
39142	2896	14	the	the	DT
39142	2896	15	period	period	NN
39142	2896	16	of	of	IN
39142	2896	17	pulsation	pulsation	NN
39142	2896	18	within	within	IN
39142	2896	19	narrow	narrow	JJ
39142	2896	20	limits	limit	NNS
39142	2896	21	;	;	,
39142	2896	22	and	and	CC
39142	2896	23	for	for	IN
39142	2896	24	Delta	Delta	NNP
39142	2896	25	Cephei	Cephei	NNP
39142	2896	26	this	this	DT
39142	2896	27	theoretical	theoretical	JJ
39142	2896	28	period	period	NN
39142	2896	29	is	be	VBZ
39142	2896	30	between	between	IN
39142	2896	31	four	four	CD
39142	2896	32	and	and	CC
39142	2896	33	ten	ten	CD
39142	2896	34	days	day	NNS
39142	2896	35	.	.	.
39142	2897	1	Its	-PRON-	PRP$
39142	2897	2	observed	observed	JJ
39142	2897	3	period	period	NN
39142	2897	4	is	be	VBZ
39142	2897	5	five	five	CD
39142	2897	6	and	and	CC
39142	2897	7	one	one	CD
39142	2897	8	-	-	HYPH
39142	2897	9	third	third	NN
39142	2897	10	days	day	NNS
39142	2897	11	,	,	,
39142	2897	12	and	and	CC
39142	2897	13	corresponding	corresponding	JJ
39142	2897	14	agreement	agreement	NN
39142	2897	15	is	be	VBZ
39142	2897	16	found	find	VBN
39142	2897	17	in	in	IN
39142	2897	18	all	all	PDT
39142	2897	19	the	the	DT
39142	2897	20	Cepheids	Cepheids	NNPS
39142	2897	21	so	so	RB
39142	2897	22	far	far	RB
39142	2897	23	tested	test	VBN
39142	2897	24	.	.	.
39142	2898	1	Shapley	Shapley	NNP
39142	2898	2	of	of	IN
39142	2898	3	Mount	Mount	NNP
39142	2898	4	Wilson	Wilson	NNP
39142	2898	5	finds	find	VBZ
39142	2898	6	that	that	IN
39142	2898	7	the	the	DT
39142	2898	8	Cepheid	Cepheid	NNP
39142	2898	9	variables	variable	NNS
39142	2898	10	with	with	IN
39142	2898	11	periods	period	NNS
39142	2898	12	exceeding	exceed	VBG
39142	2898	13	a	a	DT
39142	2898	14	day	day	NN
39142	2898	15	in	in	IN
39142	2898	16	length	length	NN
39142	2898	17	all	all	DT
39142	2898	18	lie	lie	NN
39142	2898	19	close	close	RB
39142	2898	20	to	to	IN
39142	2898	21	the	the	DT
39142	2898	22	Galactic	galactic	JJ
39142	2898	23	lane	lane	NN
39142	2898	24	.	.	.
39142	2899	1	So	so	RB
39142	2899	2	greatly	greatly	RB
39142	2899	3	have	have	VBP
39142	2899	4	the	the	DT
39142	2899	5	studies	study	NNS
39142	2899	6	of	of	IN
39142	2899	7	these	these	DT
39142	2899	8	objects	object	NNS
39142	2899	9	progressed	progress	VBD
39142	2899	10	that	that	IN
39142	2899	11	,	,	,
39142	2899	12	as	as	IN
39142	2899	13	before	before	IN
39142	2899	14	remarked	remark	VBN
39142	2899	15	,	,	,
39142	2899	16	when	when	WRB
39142	2899	17	we	-PRON-	PRP
39142	2899	18	know	know	VBP
39142	2899	19	the	the	DT
39142	2899	20	star	star	NN
39142	2899	21	's	's	POS
39142	2899	22	period	period	NN
39142	2899	23	,	,	,
39142	2899	24	we	-PRON-	PRP
39142	2899	25	can	can	MD
39142	2899	26	get	get	VB
39142	2899	27	its	-PRON-	PRP$
39142	2899	28	absolute	absolute	JJ
39142	2899	29	magnitude	magnitude	NN
39142	2899	30	,	,	,
39142	2899	31	and	and	CC
39142	2899	32	from	from	IN
39142	2899	33	this	this	DT
39142	2899	34	the	the	DT
39142	2899	35	star	star	NN
39142	2899	36	's	's	POS
39142	2899	37	distance	distance	NN
39142	2899	38	.	.	.
39142	2900	1	On	on	IN
39142	2900	2	all	all	DT
39142	2900	3	sides	side	NNS
39142	2900	4	of	of	IN
39142	2900	5	the	the	DT
39142	2900	6	sun	sun	NN
39142	2900	7	,	,	,
39142	2900	8	the	the	DT
39142	2900	9	distances	distance	NNS
39142	2900	10	of	of	IN
39142	2900	11	the	the	DT
39142	2900	12	Cepheids	Cepheids	NNP
39142	2900	13	range	range	VBP
39142	2900	14	up	up	IN
39142	2900	15	to	to	TO
39142	2900	16	4,000	4,000	CD
39142	2900	17	parsecs	parsecs	NN
39142	2900	18	.	.	.
39142	2901	1	So	so	RB
39142	2901	2	they	-PRON-	PRP
39142	2901	3	indicate	indicate	VBP
39142	2901	4	the	the	DT
39142	2901	5	existence	existence	NN
39142	2901	6	of	of	IN
39142	2901	7	a	a	DT
39142	2901	8	Galactic	galactic	JJ
39142	2901	9	system	system	NN
39142	2901	10	far	far	RB
39142	2901	11	greater	great	JJR
39142	2901	12	in	in	IN
39142	2901	13	extent	extent	NN
39142	2901	14	than	than	IN
39142	2901	15	any	any	DT
39142	2901	16	previously	previously	RB
39142	2901	17	dealt	deal	VBN
39142	2901	18	with	with	IN
39142	2901	19	.	.	.
39142	2902	1	CHAPTER	CHAPTER	NNP
39142	2902	2	LII	LII	NNP
39142	2902	3	THE	the	DT
39142	2902	4	NOVÆ	NOVÆ	NNP
39142	2902	5	,	,	,
39142	2902	6	OR	or	CC
39142	2902	7	NEW	new	JJ
39142	2902	8	STARS	star	NNS
39142	2902	9	New	new	JJ
39142	2902	10	stars	star	NNS
39142	2902	11	,	,	,
39142	2902	12	or	or	CC
39142	2902	13	temporary	temporary	JJ
39142	2902	14	stars	star	NNS
39142	2902	15	,	,	,
39142	2902	16	we	-PRON-	PRP
39142	2902	17	have	have	VBP
39142	2902	18	already	already	RB
39142	2902	19	mentioned	mention	VBN
39142	2902	20	in	in	IN
39142	2902	21	connection	connection	NN
39142	2902	22	with	with	IN
39142	2902	23	variables	variable	NNS
39142	2902	24	.	.	.
39142	2903	1	They	-PRON-	PRP
39142	2903	2	are	be	VBP
39142	2903	3	,	,	,
39142	2903	4	next	next	RB
39142	2903	5	to	to	IN
39142	2903	6	comets	comet	NNS
39142	2903	7	,	,	,
39142	2903	8	the	the	DT
39142	2903	9	most	most	RBS
39142	2903	10	dramatic	dramatic	JJ
39142	2903	11	objects	object	NNS
39142	2903	12	in	in	IN
39142	2903	13	the	the	DT
39142	2903	14	heavens	heavens	NNPS
39142	2903	15	.	.	.
39142	2904	1	They	-PRON-	PRP
39142	2904	2	may	may	MD
39142	2904	3	be	be	VB
39142	2904	4	variable	variable	JJ
39142	2904	5	stars	star	NNS
39142	2904	6	which	which	WDT
39142	2904	7	,	,	,
39142	2904	8	in	in	IN
39142	2904	9	a	a	DT
39142	2904	10	brief	brief	JJ
39142	2904	11	period	period	NN
39142	2904	12	,	,	,
39142	2904	13	increase	increase	VB
39142	2904	14	enormously	enormously	RB
39142	2904	15	in	in	IN
39142	2904	16	brightness	brightness	NN
39142	2904	17	,	,	,
39142	2904	18	and	and	CC
39142	2904	19	then	then	RB
39142	2904	20	slowly	slowly	RB
39142	2904	21	wane	wane	VBP
39142	2904	22	and	and	CC
39142	2904	23	disappear	disappear	VBP
39142	2904	24	entirely	entirely	RB
39142	2904	25	,	,	,
39142	2904	26	or	or	CC
39142	2904	27	remain	remain	VBP
39142	2904	28	of	of	IN
39142	2904	29	a	a	DT
39142	2904	30	very	very	RB
39142	2904	31	faint	faint	JJ
39142	2904	32	stellar	stellar	JJ
39142	2904	33	magnitude	magnitude	NN
39142	2904	34	.	.	.
39142	2905	1	In	in	IN
39142	2905	2	the	the	DT
39142	2905	3	ancient	ancient	JJ
39142	2905	4	historical	historical	JJ
39142	2905	5	records	record	NNS
39142	2905	6	are	be	VBP
39142	2905	7	found	find	VBN
39142	2905	8	accounts	account	NNS
39142	2905	9	of	of	IN
39142	2905	10	several	several	JJ
39142	2905	11	such	such	JJ
39142	2905	12	stars	star	NNS
39142	2905	13	.	.	.
39142	2906	1	For	for	IN
39142	2906	2	instance	instance	NN
39142	2906	3	,	,	,
39142	2906	4	in	in	IN
39142	2906	5	the	the	DT
39142	2906	6	Chinese	chinese	JJ
39142	2906	7	annals	annal	NNS
39142	2906	8	there	there	EX
39142	2906	9	is	be	VBZ
39142	2906	10	an	an	DT
39142	2906	11	allusion	allusion	NN
39142	2906	12	to	to	IN
39142	2906	13	such	such	PDT
39142	2906	14	a	a	DT
39142	2906	15	stellar	stellar	JJ
39142	2906	16	outburst	outburst	NN
39142	2906	17	in	in	IN
39142	2906	18	the	the	DT
39142	2906	19	constellation	constellation	NN
39142	2906	20	of	of	IN
39142	2906	21	Scorpio	Scorpio	NNP
39142	2906	22	,	,	,
39142	2906	23	B.	B.	NNP
39142	2906	24	C.	C.	NNP
39142	2906	25	134	134	CD
39142	2906	26	.	.	.
39142	2907	1	This	this	DT
39142	2907	2	was	be	VBD
39142	2907	3	observed	observe	VBN
39142	2907	4	also	also	RB
39142	2907	5	by	by	IN
39142	2907	6	Hipparchus	Hipparchus	NNP
39142	2907	7	and	and	CC
39142	2907	8	,	,	,
39142	2907	9	no	no	RB
39142	2907	10	doubt	doubt	RB
39142	2907	11	,	,	,
39142	2907	12	it	-PRON-	PRP
39142	2907	13	was	be	VBD
39142	2907	14	the	the	DT
39142	2907	15	immediate	immediate	JJ
39142	2907	16	incentive	incentive	NN
39142	2907	17	which	which	WDT
39142	2907	18	led	lead	VBD
39142	2907	19	to	to	IN
39142	2907	20	his	-PRON-	PRP$
39142	2907	21	construction	construction	NN
39142	2907	22	of	of	IN
39142	2907	23	the	the	DT
39142	2907	24	first	first	JJ
39142	2907	25	known	know	VBN
39142	2907	26	catalogue	catalogue	NN
39142	2907	27	of	of	IN
39142	2907	28	stars	star	NNS
39142	2907	29	,	,	,
39142	2907	30	so	so	IN
39142	2907	31	that	that	IN
39142	2907	32	similar	similar	JJ
39142	2907	33	happenings	happening	NNS
39142	2907	34	might	may	MD
39142	2907	35	be	be	VB
39142	2907	36	detected	detect	VBN
39142	2907	37	in	in	IN
39142	2907	38	the	the	DT
39142	2907	39	future	future	NN
39142	2907	40	.	.	.
39142	2908	1	In	in	IN
39142	2908	2	November	November	NNP
39142	2908	3	,	,	,
39142	2908	4	1572	1572	CD
39142	2908	5	,	,	,
39142	2908	6	Tycho	Tycho	NNP
39142	2908	7	Brahe	Brahe	NNP
39142	2908	8	observed	observe	VBD
39142	2908	9	the	the	DT
39142	2908	10	most	most	RBS
39142	2908	11	famous	famous	JJ
39142	2908	12	of	of	IN
39142	2908	13	all	all	DT
39142	2908	14	new	new	JJ
39142	2908	15	stars	star	NNS
39142	2908	16	,	,	,
39142	2908	17	which	which	WDT
39142	2908	18	blazed	blaze	VBD
39142	2908	19	out	out	RP
39142	2908	20	in	in	IN
39142	2908	21	the	the	DT
39142	2908	22	constellation	constellation	NN
39142	2908	23	Cassiopeia	cassiopeia	NN
39142	2908	24	.	.	.
39142	2909	1	In	in	IN
39142	2909	2	something	something	NN
39142	2909	3	over	over	IN
39142	2909	4	a	a	DT
39142	2909	5	year	year	NN
39142	2909	6	it	-PRON-	PRP
39142	2909	7	had	have	VBD
39142	2909	8	completely	completely	RB
39142	2909	9	disappeared	disappear	VBN
39142	2909	10	.	.	.
39142	2910	1	In	in	IN
39142	2910	2	1604	1604	CD
39142	2910	3	-	-	SYM
39142	2910	4	1605	1605	CD
39142	2910	5	a	a	DT
39142	2910	6	new	new	JJ
39142	2910	7	star	star	NN
39142	2910	8	of	of	IN
39142	2910	9	equal	equal	JJ
39142	2910	10	brightness	brightness	NN
39142	2910	11	was	be	VBD
39142	2910	12	seen	see	VBN
39142	2910	13	in	in	IN
39142	2910	14	Ophiuchus	Ophiuchus	NNP
39142	2910	15	by	by	IN
39142	2910	16	Kepler	Kepler	NNP
39142	2910	17	;	;	:
39142	2910	18	it	-PRON-	PRP
39142	2910	19	also	also	RB
39142	2910	20	faded	fade	VBD
39142	2910	21	out	out	RP
39142	2910	22	to	to	IN
39142	2910	23	invisibility	invisibility	NN
39142	2910	24	in	in	IN
39142	2910	25	1606	1606	CD
39142	2910	26	.	.	.
39142	2911	1	Kepler	Kepler	NNP
39142	2911	2	and	and	CC
39142	2911	3	Tycho	Tycho	NNP
39142	2911	4	printed	print	VBD
39142	2911	5	very	very	RB
39142	2911	6	complete	complete	JJ
39142	2911	7	records	record	NNS
39142	2911	8	of	of	IN
39142	2911	9	these	these	DT
39142	2911	10	remarkable	remarkable	JJ
39142	2911	11	objects	object	NNS
39142	2911	12	.	.	.
39142	2912	1	The	the	DT
39142	2912	2	eighteenth	eighteenth	JJ
39142	2912	3	century	century	NN
39142	2912	4	passed	pass	VBD
39142	2912	5	without	without	IN
39142	2912	6	any	any	DT
39142	2912	7	new	new	JJ
39142	2912	8	stars	star	NNS
39142	2912	9	being	be	VBG
39142	2912	10	seen	see	VBN
39142	2912	11	or	or	CC
39142	2912	12	recorded	record	VBN
39142	2912	13	.	.	.
39142	2913	1	There	there	EX
39142	2913	2	was	be	VBD
39142	2913	3	one	one	CD
39142	2913	4	of	of	IN
39142	2913	5	the	the	DT
39142	2913	6	fifth	fifth	JJ
39142	2913	7	magnitude	magnitude	NN
39142	2913	8	in	in	IN
39142	2913	9	1848	1848	CD
39142	2913	10	,	,	,
39142	2913	11	and	and	CC
39142	2913	12	another	another	DT
39142	2913	13	of	of	IN
39142	2913	14	the	the	DT
39142	2913	15	seventh	seventh	JJ
39142	2913	16	magnitude	magnitude	NN
39142	2913	17	in	in	IN
39142	2913	18	1860	1860	CD
39142	2913	19	;	;	:
39142	2913	20	and	and	CC
39142	2913	21	in	in	IN
39142	2913	22	May	May	NNP
39142	2913	23	,	,	,
39142	2913	24	1866	1866	CD
39142	2913	25	,	,	,
39142	2913	26	a	a	DT
39142	2913	27	star	star	NN
39142	2913	28	of	of	IN
39142	2913	29	the	the	DT
39142	2913	30	second	second	JJ
39142	2913	31	magnitude	magnitude	NN
39142	2913	32	suddenly	suddenly	RB
39142	2913	33	made	make	VBD
39142	2913	34	its	-PRON-	PRP$
39142	2913	35	appearance	appearance	NN
39142	2913	36	in	in	IN
39142	2913	37	Corona	Corona	NNP
39142	2913	38	Borealis	Borealis	NNP
39142	2913	39	;	;	:
39142	2913	40	and	and	CC
39142	2913	41	one	one	CD
39142	2913	42	of	of	IN
39142	2913	43	the	the	DT
39142	2913	44	third	third	JJ
39142	2913	45	magnitude	magnitude	NN
39142	2913	46	in	in	IN
39142	2913	47	Cygnus	Cygnus	NNP
39142	2913	48	in	in	IN
39142	2913	49	November	November	NNP
39142	2913	50	,	,	,
39142	2913	51	1876	1876	CD
39142	2913	52	.	.	.
39142	2914	1	The	the	DT
39142	2914	2	latter	latter	JJ
39142	2914	3	was	be	VBD
39142	2914	4	fully	fully	RB
39142	2914	5	observed	observe	VBN
39142	2914	6	by	by	IN
39142	2914	7	Schmidt	Schmidt	NNP
39142	2914	8	of	of	IN
39142	2914	9	Athens	Athens	NNP
39142	2914	10	and	and	CC
39142	2914	11	became	become	VBD
39142	2914	12	a	a	DT
39142	2914	13	faint	faint	JJ
39142	2914	14	telescopic	telescopic	NN
39142	2914	15	star	star	NN
39142	2914	16	within	within	IN
39142	2914	17	a	a	DT
39142	2914	18	few	few	JJ
39142	2914	19	weeks	week	NNS
39142	2914	20	.	.	.
39142	2915	1	It	-PRON-	PRP
39142	2915	2	is	be	VBZ
39142	2915	3	now	now	RB
39142	2915	4	of	of	IN
39142	2915	5	the	the	DT
39142	2915	6	fifteenth	fifteenth	JJ
39142	2915	7	magnitude	magnitude	NN
39142	2915	8	.	.	.
39142	2916	1	In	in	IN
39142	2916	2	1885	1885	CD
39142	2916	3	astronomers	astronomer	NNS
39142	2916	4	were	be	VBD
39142	2916	5	surprised	surprised	JJ
39142	2916	6	to	to	TO
39142	2916	7	find	find	VB
39142	2916	8	suddenly	suddenly	RB
39142	2916	9	a	a	DT
39142	2916	10	new	new	JJ
39142	2916	11	star	star	NN
39142	2916	12	of	of	IN
39142	2916	13	the	the	DT
39142	2916	14	sixth	sixth	JJ
39142	2916	15	magnitude	magnitude	NN
39142	2916	16	very	very	RB
39142	2916	17	close	close	RB
39142	2916	18	to	to	IN
39142	2916	19	the	the	DT
39142	2916	20	brightest	bright	JJS
39142	2916	21	part	part	NN
39142	2916	22	of	of	IN
39142	2916	23	the	the	DT
39142	2916	24	great	great	JJ
39142	2916	25	nebula	nebula	NN
39142	2916	26	in	in	IN
39142	2916	27	Andromeda	Andromeda	NNP
39142	2916	28	;	;	:
39142	2916	29	it	-PRON-	PRP
39142	2916	30	ran	run	VBD
39142	2916	31	its	-PRON-	PRP$
39142	2916	32	course	course	NN
39142	2916	33	in	in	IN
39142	2916	34	about	about	RB
39142	2916	35	six	six	CD
39142	2916	36	months	month	NNS
39142	2916	37	,	,	,
39142	2916	38	fading	fade	VBG
39142	2916	39	with	with	IN
39142	2916	40	many	many	JJ
39142	2916	41	fluctuations	fluctuation	NNS
39142	2916	42	in	in	IN
39142	2916	43	brightness	brightness	NN
39142	2916	44	,	,	,
39142	2916	45	and	and	CC
39142	2916	46	no	no	DT
39142	2916	47	star	star	NN
39142	2916	48	is	be	VBZ
39142	2916	49	now	now	RB
39142	2916	50	visible	visible	JJ
39142	2916	51	in	in	IN
39142	2916	52	its	-PRON-	PRP$
39142	2916	53	position	position	NN
39142	2916	54	even	even	RB
39142	2916	55	with	with	IN
39142	2916	56	the	the	DT
39142	2916	57	telescope	telescope	NN
39142	2916	58	.	.	.
39142	2917	1	Stars	star	NNS
39142	2917	2	of	of	IN
39142	2917	3	this	this	DT
39142	2917	4	class	class	NN
39142	2917	5	are	be	VBP
39142	2917	6	known	know	VBN
39142	2917	7	to	to	IN
39142	2917	8	astronomers	astronomer	NNS
39142	2917	9	as	as	IN
39142	2917	10	Novæ	Novæ	NNP
39142	2917	11	,	,	,
39142	2917	12	usually	usually	RB
39142	2917	13	with	with	IN
39142	2917	14	the	the	DT
39142	2917	15	genitive	genitive	NN
39142	2917	16	of	of	IN
39142	2917	17	the	the	DT
39142	2917	18	constellation	constellation	NN
39142	2917	19	name	name	NN
39142	2917	20	,	,	,
39142	2917	21	as	as	IN
39142	2917	22	Nova	Nova	NNP
39142	2917	23	Andromedæ	Andromedæ	NNP
39142	2917	24	.	.	.
39142	2918	1	In	in	IN
39142	2918	2	1891	1891	CD
39142	2918	3	-	-	SYM
39142	2918	4	1892	1892	CD
39142	2918	5	Nova	Nova	NNP
39142	2918	6	Aurigæ	Aurigæ	NNP
39142	2918	7	made	make	VBD
39142	2918	8	its	-PRON-	PRP$
39142	2918	9	spectacular	spectacular	JJ
39142	2918	10	appearance	appearance	NN
39142	2918	11	and	and	CC
39142	2918	12	yielded	yield	VBD
39142	2918	13	a	a	DT
39142	2918	14	distinctly	distinctly	RB
39142	2918	15	double	double	JJ
39142	2918	16	and	and	CC
39142	2918	17	complex	complex	JJ
39142	2918	18	spectrum	spectrum	NN
39142	2918	19	for	for	IN
39142	2918	20	more	more	JJR
39142	2918	21	than	than	IN
39142	2918	22	a	a	DT
39142	2918	23	month	month	NN
39142	2918	24	.	.	.
39142	2919	1	Many	many	JJ
39142	2919	2	pairs	pair	NNS
39142	2919	3	of	of	IN
39142	2919	4	lines	line	NNS
39142	2919	5	indicated	indicate	VBD
39142	2919	6	a	a	DT
39142	2919	7	community	community	NN
39142	2919	8	of	of	IN
39142	2919	9	origin	origin	NN
39142	2919	10	as	as	IN
39142	2919	11	to	to	TO
39142	2919	12	substance	substance	VB
39142	2919	13	,	,	,
39142	2919	14	and	and	CC
39142	2919	15	accurate	accurate	JJ
39142	2919	16	measurement	measurement	NN
39142	2919	17	showed	show	VBD
39142	2919	18	a	a	DT
39142	2919	19	large	large	JJ
39142	2919	20	displacement	displacement	NN
39142	2919	21	with	with	IN
39142	2919	22	a	a	DT
39142	2919	23	relative	relative	JJ
39142	2919	24	velocity	velocity	NN
39142	2919	25	of	of	IN
39142	2919	26	more	more	JJR
39142	2919	27	than	than	IN
39142	2919	28	500	500	CD
39142	2919	29	miles	mile	NNS
39142	2919	30	per	per	IN
39142	2919	31	second	second	NN
39142	2919	32	.	.	.
39142	2920	1	For	for	IN
39142	2920	2	each	each	DT
39142	2920	3	bright	bright	JJ
39142	2920	4	hydrogen	hydrogen	NN
39142	2920	5	line	line	NN
39142	2920	6	displaced	displace	VBN
39142	2920	7	toward	toward	IN
39142	2920	8	the	the	DT
39142	2920	9	red	red	NN
39142	2920	10	there	there	EX
39142	2920	11	was	be	VBD
39142	2920	12	a	a	DT
39142	2920	13	dark	dark	JJ
39142	2920	14	companion	companion	NN
39142	2920	15	line	line	NN
39142	2920	16	or	or	CC
39142	2920	17	band	band	NN
39142	2920	18	about	about	IN
39142	2920	19	equally	equally	RB
39142	2920	20	displaced	displace	VBN
39142	2920	21	toward	toward	IN
39142	2920	22	the	the	DT
39142	2920	23	violet	violet	NN
39142	2920	24	much	much	RB
39142	2920	25	as	as	IN
39142	2920	26	if	if	IN
39142	2920	27	the	the	DT
39142	2920	28	weird	weird	JJ
39142	2920	29	light	light	NN
39142	2920	30	of	of	IN
39142	2920	31	Nova	Nova	NNP
39142	2920	32	Aurigæ	Aurigæ	NNP
39142	2920	33	originated	originate	VBD
39142	2920	34	in	in	IN
39142	2920	35	a	a	DT
39142	2920	36	solid	solid	JJ
39142	2920	37	globe	globe	NN
39142	2920	38	moving	move	VBG
39142	2920	39	swiftly	swiftly	RB
39142	2920	40	away	away	RB
39142	2920	41	from	from	IN
39142	2920	42	us	-PRON-	PRP
39142	2920	43	and	and	CC
39142	2920	44	plunging	plunge	VBG
39142	2920	45	into	into	IN
39142	2920	46	an	an	DT
39142	2920	47	irregular	irregular	JJ
39142	2920	48	nebulous	nebulous	JJ
39142	2920	49	mass	mass	NN
39142	2920	50	as	as	IN
39142	2920	51	swiftly	swiftly	RB
39142	2920	52	approaching	approach	VBG
39142	2920	53	us	-PRON-	PRP
39142	2920	54	.	.	.
39142	2921	1	Parallax	parallax	NN
39142	2921	2	observations	observation	NNS
39142	2921	3	of	of	IN
39142	2921	4	Nova	Nova	NNP
39142	2921	5	Aurigæ	Aurigæ	NNP
39142	2921	6	made	make	VBD
39142	2921	7	it	-PRON-	PRP
39142	2921	8	immensely	immensely	RB
39142	2921	9	remote	remote	JJ
39142	2921	10	,	,	,
39142	2921	11	perhaps	perhaps	RB
39142	2921	12	within	within	IN
39142	2921	13	the	the	DT
39142	2921	14	Galaxy	Galaxy	NNP
39142	2921	15	,	,	,
39142	2921	16	and	and	CC
39142	2921	17	it	-PRON-	PRP
39142	2921	18	still	still	RB
39142	2921	19	exists	exist	VBZ
39142	2921	20	as	as	IN
39142	2921	21	a	a	DT
39142	2921	22	faint	faint	JJ
39142	2921	23	nebulous	nebulous	JJ
39142	2921	24	star	star	NN
39142	2921	25	.	.	.
39142	2922	1	In	in	IN
39142	2922	2	February	February	NNP
39142	2922	3	,	,	,
39142	2922	4	1901	1901	CD
39142	2922	5	,	,	,
39142	2922	6	in	in	IN
39142	2922	7	the	the	DT
39142	2922	8	constellation	constellation	NN
39142	2922	9	Perseus	Perseus	NNP
39142	2922	10	appeared	appear	VBD
39142	2922	11	the	the	DT
39142	2922	12	most	most	RBS
39142	2922	13	brilliant	brilliant	JJ
39142	2922	14	nova	nova	NN
39142	2922	15	of	of	IN
39142	2922	16	recent	recent	JJ
39142	2922	17	years	year	NNS
39142	2922	18	.	.	.
39142	2923	1	It	-PRON-	PRP
39142	2923	2	was	be	VBD
39142	2923	3	first	first	RB
39142	2923	4	discovered	discover	VBN
39142	2923	5	by	by	IN
39142	2923	6	Dr.	Dr.	NNP
39142	2923	7	Anderson	Anderson	NNP
39142	2923	8	,	,	,
39142	2923	9	an	an	DT
39142	2923	10	amateur	amateur	NN
39142	2923	11	of	of	IN
39142	2923	12	Glasgow	Glasgow	NNP
39142	2923	13	,	,	,
39142	2923	14	and	and	CC
39142	2923	15	at	at	IN
39142	2923	16	maximum	maximum	NN
39142	2923	17	on	on	IN
39142	2923	18	February	February	NNP
39142	2923	19	23	23	CD
39142	2923	20	it	-PRON-	PRP
39142	2923	21	outshone	outshine	VBD
39142	2923	22	Capella	Capella	NNP
39142	2923	23	.	.	.
39142	2924	1	There	there	EX
39142	2924	2	were	be	VBD
39142	2924	3	many	many	JJ
39142	2924	4	unusual	unusual	JJ
39142	2924	5	fluctuations	fluctuation	NNS
39142	2924	6	in	in	IN
39142	2924	7	its	-PRON-	PRP$
39142	2924	8	waning	wane	VBG
39142	2924	9	brightness	brightness	NN
39142	2924	10	.	.	.
39142	2925	1	Its	-PRON-	PRP$
39142	2925	2	spectrum	spectrum	NN
39142	2925	3	closely	closely	RB
39142	2925	4	resembled	resemble	VBD
39142	2925	5	that	that	DT
39142	2925	6	of	of	IN
39142	2925	7	Nova	Nova	NNP
39142	2925	8	Aurigæ	Aurigæ	NNP
39142	2925	9	,	,	,
39142	2925	10	with	with	IN
39142	2925	11	calcium	calcium	NN
39142	2925	12	,	,	,
39142	2925	13	helium	helium	NN
39142	2925	14	,	,	,
39142	2925	15	and	and	CC
39142	2925	16	hydrogen	hydrogen	NN
39142	2925	17	lines	line	NNS
39142	2925	18	.	.	.
39142	2926	1	In	in	IN
39142	2926	2	August	August	NNP
39142	2926	3	,	,	,
39142	2926	4	1901	1901	CD
39142	2926	5	,	,	,
39142	2926	6	an	an	DT
39142	2926	7	enveloping	envelop	VBG
39142	2926	8	nebula	nebula	NN
39142	2926	9	was	be	VBD
39142	2926	10	discovered	discover	VBN
39142	2926	11	,	,	,
39142	2926	12	and	and	CC
39142	2926	13	a	a	DT
39142	2926	14	month	month	NN
39142	2926	15	later	later	RB
39142	2926	16	certain	certain	JJ
39142	2926	17	wisps	wisp	NNS
39142	2926	18	of	of	IN
39142	2926	19	this	this	DT
39142	2926	20	nebulosity	nebulosity	NN
39142	2926	21	appeared	appear	VBD
39142	2926	22	to	to	TO
39142	2926	23	have	have	VB
39142	2926	24	moved	move	VBN
39142	2926	25	bodily	bodily	RB
39142	2926	26	,	,	,
39142	2926	27	at	at	IN
39142	2926	28	a	a	DT
39142	2926	29	speed	speed	NN
39142	2926	30	seventy	seventy	CD
39142	2926	31	-	-	HYPH
39142	2926	32	fold	fold	RB
39142	2926	33	greater	great	JJR
39142	2926	34	than	than	IN
39142	2926	35	ever	ever	RB
39142	2926	36	previously	previously	RB
39142	2926	37	observed	observe	VBN
39142	2926	38	in	in	IN
39142	2926	39	the	the	DT
39142	2926	40	stellar	stellar	JJ
39142	2926	41	universe	universe	NN
39142	2926	42	.	.	.
39142	2927	1	According	accord	VBG
39142	2927	2	to	to	IN
39142	2927	3	Sir	Sir	NNP
39142	2927	4	Norman	Norman	NNP
39142	2927	5	Lockyer	Lockyer	NNP
39142	2927	6	's	's	POS
39142	2927	7	meteoritic	meteoritic	JJ
39142	2927	8	hypothesis	hypothesis	NN
39142	2927	9	,	,	,
39142	2927	10	a	a	DT
39142	2927	11	vast	vast	JJ
39142	2927	12	nebulous	nebulous	JJ
39142	2927	13	region	region	NN
39142	2927	14	was	be	VBD
39142	2927	15	invaded	invade	VBN
39142	2927	16	,	,	,
39142	2927	17	not	not	RB
39142	2927	18	by	by	IN
39142	2927	19	one	one	CD
39142	2927	20	but	but	CC
39142	2927	21	by	by	IN
39142	2927	22	many	many	JJ
39142	2927	23	meteor	meteor	JJ
39142	2927	24	swarms	swarm	NNS
39142	2927	25	,	,	,
39142	2927	26	under	under	IN
39142	2927	27	conditions	condition	NNS
39142	2927	28	such	such	JJ
39142	2927	29	that	that	IN
39142	2927	30	the	the	DT
39142	2927	31	effects	effect	NNS
39142	2927	32	of	of	IN
39142	2927	33	collision	collision	NN
39142	2927	34	varied	vary	VBD
39142	2927	35	greatly	greatly	RB
39142	2927	36	in	in	IN
39142	2927	37	intensity	intensity	NN
39142	2927	38	.	.	.
39142	2928	1	The	the	DT
39142	2928	2	most	most	RBS
39142	2928	3	violent	violent	JJ
39142	2928	4	of	of	IN
39142	2928	5	these	these	DT
39142	2928	6	collisions	collision	NNS
39142	2928	7	gave	give	VBD
39142	2928	8	birth	birth	NN
39142	2928	9	to	to	IN
39142	2928	10	Nova	Nova	NNP
39142	2928	11	Persei	Persei	NNP
39142	2928	12	itself	-PRON-	PRP
39142	2928	13	,	,	,
39142	2928	14	and	and	CC
39142	2928	15	the	the	DT
39142	2928	16	least	least	RBS
39142	2928	17	violent	violent	JJ
39142	2928	18	occurred	occur	VBD
39142	2928	19	subsequently	subsequently	RB
39142	2928	20	in	in	IN
39142	2928	21	other	other	JJ
39142	2928	22	parts	part	NNS
39142	2928	23	of	of	IN
39142	2928	24	the	the	DT
39142	2928	25	disturbed	disturb	VBN
39142	2928	26	nebula	nebula	NNP
39142	2928	27	,	,	,
39142	2928	28	perhaps	perhaps	RB
39142	2928	29	immeasurably	immeasurably	RB
39142	2928	30	removed	remove	VBN
39142	2928	31	.	.	.
39142	2929	1	This	this	DT
39142	2929	2	explanation	explanation	NN
39142	2929	3	would	would	MD
39142	2929	4	avoid	avoid	VB
39142	2929	5	the	the	DT
39142	2929	6	necessity	necessity	NN
39142	2929	7	of	of	IN
39142	2929	8	supposing	suppose	VBG
39142	2929	9	actual	actual	JJ
39142	2929	10	motion	motion	NN
39142	2929	11	of	of	IN
39142	2929	12	matter	matter	NN
39142	2929	13	through	through	IN
39142	2929	14	space	space	NN
39142	2929	15	at	at	IN
39142	2929	16	velocities	velocity	NNS
39142	2929	17	heretofore	heretofore	RB
39142	2929	18	unobserved	unobserved	JJ
39142	2929	19	and	and	CC
39142	2929	20	inconceivably	inconceivably	RB
39142	2929	21	high	high	JJ
39142	2929	22	.	.	.
39142	2930	1	A	a	DT
39142	2930	2	recent	recent	JJ
39142	2930	3	photograph	photograph	NN
39142	2930	4	of	of	IN
39142	2930	5	Nova	Nova	NNP
39142	2930	6	Persei	Persei	NNP
39142	2930	7	,	,	,
39142	2930	8	by	by	IN
39142	2930	9	Ritchey	Ritchey	NNP
39142	2930	10	,	,	,
39142	2930	11	reveals	reveal	VBZ
39142	2930	12	a	a	DT
39142	2930	13	nebulous	nebulous	JJ
39142	2930	14	ring	ring	NN
39142	2930	15	of	of	IN
39142	2930	16	regular	regular	JJ
39142	2930	17	structure	structure	NN
39142	2930	18	surrounding	surround	VBG
39142	2930	19	the	the	DT
39142	2930	20	star	star	NN
39142	2930	21	.	.	.
39142	2931	1	The	the	DT
39142	2931	2	great	great	JJ
39142	2931	3	power	power	NN
39142	2931	4	of	of	IN
39142	2931	5	the	the	DT
39142	2931	6	60-inch	60-inch	CD
39142	2931	7	has	have	VBZ
39142	2931	8	made	make	VBN
39142	2931	9	it	-PRON-	PRP
39142	2931	10	possible	possible	JJ
39142	2931	11	to	to	TO
39142	2931	12	photograph	photograph	VB
39142	2931	13	even	even	RB
39142	2931	14	the	the	DT
39142	2931	15	spectra	spectra	NN
39142	2931	16	of	of	IN
39142	2931	17	many	many	JJ
39142	2931	18	of	of	IN
39142	2931	19	the	the	DT
39142	2931	20	novæ	novæ	NN
39142	2931	21	of	of	IN
39142	2931	22	years	year	NNS
39142	2931	23	ago	ago	RB
39142	2931	24	which	which	WDT
39142	2931	25	are	be	VBP
39142	2931	26	now	now	RB
39142	2931	27	very	very	RB
39142	2931	28	faint	faint	JJ
39142	2931	29	.	.	.
39142	2932	1	After	after	IN
39142	2932	2	the	the	DT
39142	2932	3	lapse	lapse	NN
39142	2932	4	of	of	IN
39142	2932	5	years	year	NNS
39142	2932	6	the	the	DT
39142	2932	7	characteristic	characteristic	JJ
39142	2932	8	lines	line	NNS
39142	2932	9	of	of	IN
39142	2932	10	the	the	DT
39142	2932	11	nebular	nebular	JJ
39142	2932	12	spectrum	spectrum	NN
39142	2932	13	generally	generally	RB
39142	2932	14	vanish	vanish	VBP
39142	2932	15	,	,	,
39142	2932	16	as	as	IN
39142	2932	17	if	if	IN
39142	2932	18	the	the	DT
39142	2932	19	star	star	NN
39142	2932	20	had	have	VBD
39142	2932	21	passed	pass	VBN
39142	2932	22	out	out	IN
39142	2932	23	of	of	IN
39142	2932	24	the	the	DT
39142	2932	25	nebula	nebula	NN
39142	2932	26	--	--	:
39142	2932	27	a	a	DT
39142	2932	28	plunge	plunge	NN
39142	2932	29	into	into	IN
39142	2932	30	which	which	WDT
39142	2932	31	is	be	VBZ
39142	2932	32	generally	generally	RB
39142	2932	33	thought	think	VBN
39142	2932	34	to	to	TO
39142	2932	35	be	be	VB
39142	2932	36	the	the	DT
39142	2932	37	cause	cause	NN
39142	2932	38	of	of	IN
39142	2932	39	the	the	DT
39142	2932	40	great	great	JJ
39142	2932	41	and	and	CC
39142	2932	42	sudden	sudden	JJ
39142	2932	43	outburst	outburst	NN
39142	2932	44	of	of	IN
39142	2932	45	light	light	NN
39142	2932	46	.	.	.
39142	2933	1	Many	many	JJ
39142	2933	2	novæ	novæ	NN
39142	2933	3	have	have	VBP
39142	2933	4	recently	recently	RB
39142	2933	5	been	be	VBN
39142	2933	6	found	find	VBN
39142	2933	7	in	in	IN
39142	2933	8	the	the	DT
39142	2933	9	spiral	spiral	JJ
39142	2933	10	nebulæ	nebulæ	NN
39142	2933	11	,	,	,
39142	2933	12	especially	especially	RB
39142	2933	13	in	in	IN
39142	2933	14	the	the	DT
39142	2933	15	great	great	JJ
39142	2933	16	nebula	nebula	NN
39142	2933	17	of	of	IN
39142	2933	18	Andromeda	Andromeda	NNP
39142	2933	19	.	.	.
39142	2934	1	CHAPTER	chapter	NN
39142	2934	2	LIII	LIII	NNP
39142	2934	3	THE	the	DT
39142	2934	4	DOUBLE	DOUBLE	NNP
39142	2934	5	STARS	star	NNS
39142	2934	6	Examining	examine	VBG
39142	2934	7	individual	individual	JJ
39142	2934	8	stars	star	NNS
39142	2934	9	of	of	IN
39142	2934	10	the	the	DT
39142	2934	11	heavens	heaven	NNS
39142	2934	12	more	more	RBR
39142	2934	13	in	in	IN
39142	2934	14	detail	detail	NN
39142	2934	15	,	,	,
39142	2934	16	thousands	thousand	NNS
39142	2934	17	of	of	IN
39142	2934	18	them	-PRON-	PRP
39142	2934	19	are	be	VBP
39142	2934	20	found	find	VBN
39142	2934	21	to	to	TO
39142	2934	22	be	be	VB
39142	2934	23	double	double	JJ
39142	2934	24	;	;	:
39142	2934	25	not	not	RB
39142	2934	26	the	the	DT
39142	2934	27	stars	star	NNS
39142	2934	28	that	that	WDT
39142	2934	29	appear	appear	VBP
39142	2934	30	double	double	JJ
39142	2934	31	to	to	IN
39142	2934	32	the	the	DT
39142	2934	33	naked	naked	JJ
39142	2934	34	eye	eye	NN
39142	2934	35	,	,	,
39142	2934	36	as	as	IN
39142	2934	37	Theta	Theta	NNP
39142	2934	38	Tauri	Tauri	NNP
39142	2934	39	,	,	,
39142	2934	40	Mizar	Mizar	NNP
39142	2934	41	,	,	,
39142	2934	42	Epsilon	Epsilon	NNP
39142	2934	43	Lyræ	Lyræ	NNP
39142	2934	44	,	,	,
39142	2934	45	and	and	CC
39142	2934	46	others	other	NNS
39142	2934	47	;	;	:
39142	2934	48	but	but	CC
39142	2934	49	pairs	pair	NNS
39142	2934	50	of	of	IN
39142	2934	51	stars	star	NNS
39142	2934	52	much	much	RB
39142	2934	53	closer	close	RBR
39142	2934	54	together	together	RB
39142	2934	55	,	,	,
39142	2934	56	and	and	CC
39142	2934	57	requiring	require	VBG
39142	2934	58	the	the	DT
39142	2934	59	power	power	NN
39142	2934	60	of	of	IN
39142	2934	61	the	the	DT
39142	2934	62	telescope	telescope	NN
39142	2934	63	to	to	TO
39142	2934	64	divide	divide	VB
39142	2934	65	or	or	CC
39142	2934	66	separate	separate	VB
39142	2934	67	them	-PRON-	PRP
39142	2934	68	.	.	.
39142	2935	1	Only	only	RB
39142	2935	2	a	a	DT
39142	2935	3	very	very	RB
39142	2935	4	few	few	JJ
39142	2935	5	seconds	second	NNS
39142	2935	6	apart	apart	RB
39142	2935	7	they	-PRON-	PRP
39142	2935	8	are	be	VBP
39142	2935	9	or	or	CC
39142	2935	10	,	,	,
39142	2935	11	in	in	IN
39142	2935	12	many	many	JJ
39142	2935	13	cases	case	NNS
39142	2935	14	,	,	,
39142	2935	15	only	only	RB
39142	2935	16	the	the	DT
39142	2935	17	merest	mere	JJS
39142	2935	18	fraction	fraction	NN
39142	2935	19	of	of	IN
39142	2935	20	a	a	DT
39142	2935	21	second	second	NN
39142	2935	22	of	of	IN
39142	2935	23	arc	arc	NN
39142	2935	24	.	.	.
39142	2936	1	Some	some	DT
39142	2936	2	of	of	IN
39142	2936	3	them	-PRON-	PRP
39142	2936	4	,	,	,
39142	2936	5	called	call	VBN
39142	2936	6	binaries	binary	NNS
39142	2936	7	,	,	,
39142	2936	8	are	be	VBP
39142	2936	9	found	find	VBN
39142	2936	10	to	to	TO
39142	2936	11	be	be	VB
39142	2936	12	revolving	revolve	VBG
39142	2936	13	around	around	IN
39142	2936	14	a	a	DT
39142	2936	15	common	common	JJ
39142	2936	16	center	center	NN
39142	2936	17	,	,	,
39142	2936	18	sometimes	sometimes	RB
39142	2936	19	in	in	IN
39142	2936	20	only	only	RB
39142	2936	21	a	a	DT
39142	2936	22	few	few	JJ
39142	2936	23	years	year	NNS
39142	2936	24	,	,	,
39142	2936	25	sometimes	sometimes	RB
39142	2936	26	in	in	IN
39142	2936	27	stately	stately	JJ
39142	2936	28	periods	period	NNS
39142	2936	29	of	of	IN
39142	2936	30	hundreds	hundred	NNS
39142	2936	31	of	of	IN
39142	2936	32	years	year	NNS
39142	2936	33	.	.	.
39142	2937	1	Many	many	JJ
39142	2937	2	such	such	JJ
39142	2937	3	binary	binary	JJ
39142	2937	4	systems	system	NNS
39142	2937	5	are	be	VBP
39142	2937	6	now	now	RB
39142	2937	7	known	know	VBN
39142	2937	8	,	,	,
39142	2937	9	and	and	CC
39142	2937	10	the	the	DT
39142	2937	11	number	number	NN
39142	2937	12	is	be	VBZ
39142	2937	13	constantly	constantly	RB
39142	2937	14	increasing	increase	VBG
39142	2937	15	.	.	.
39142	2938	1	Castor	castor	NN
39142	2938	2	is	be	VBZ
39142	2938	3	one	one	CD
39142	2938	4	,	,	,
39142	2938	5	Gamma	Gamma	NNP
39142	2938	6	Virginis	Virginis	NNP
39142	2938	7	another	another	DT
39142	2938	8	,	,	,
39142	2938	9	Sirius	Sirius	NNP
39142	2938	10	also	also	RB
39142	2938	11	is	be	VBZ
39142	2938	12	one	one	CD
39142	2938	13	of	of	IN
39142	2938	14	these	these	DT
39142	2938	15	binaries	binary	NNS
39142	2938	16	,	,	,
39142	2938	17	and	and	CC
39142	2938	18	a	a	DT
39142	2938	19	most	most	RBS
39142	2938	20	interesting	interesting	JJ
39142	2938	21	one	one	NN
39142	2938	22	,	,	,
39142	2938	23	having	have	VBG
39142	2938	24	a	a	DT
39142	2938	25	period	period	NN
39142	2938	26	of	of	IN
39142	2938	27	revolution	revolution	NN
39142	2938	28	of	of	IN
39142	2938	29	about	about	RB
39142	2938	30	52	52	CD
39142	2938	31	years	year	NNS
39142	2938	32	.	.	.
39142	2939	1	Aitken	aitken	JJ
39142	2939	2	,	,	,
39142	2939	3	of	of	IN
39142	2939	4	the	the	DT
39142	2939	5	Lick	Lick	NNP
39142	2939	6	Observatory	Observatory	NNP
39142	2939	7	,	,	,
39142	2939	8	in	in	IN
39142	2939	9	his	-PRON-	PRP$
39142	2939	10	work	work	NN
39142	2939	11	on	on	IN
39142	2939	12	binary	binary	JJ
39142	2939	13	stars	star	NNS
39142	2939	14	,	,	,
39142	2939	15	directs	direct	VBZ
39142	2939	16	special	special	JJ
39142	2939	17	attention	attention	NN
39142	2939	18	to	to	IN
39142	2939	19	the	the	DT
39142	2939	20	correlation	correlation	NN
39142	2939	21	between	between	IN
39142	2939	22	the	the	DT
39142	2939	23	elements	element	NNS
39142	2939	24	of	of	IN
39142	2939	25	known	know	VBN
39142	2939	26	binary	binary	JJ
39142	2939	27	orbits	orbit	NNS
39142	2939	28	and	and	CC
39142	2939	29	the	the	DT
39142	2939	30	star	star	NN
39142	2939	31	's	's	POS
39142	2939	32	spectral	spectral	JJ
39142	2939	33	type	type	NN
39142	2939	34	,	,	,
39142	2939	35	and	and	CC
39142	2939	36	presents	present	VBZ
39142	2939	37	a	a	DT
39142	2939	38	statistical	statistical	JJ
39142	2939	39	study	study	NN
39142	2939	40	of	of	IN
39142	2939	41	the	the	DT
39142	2939	42	distribution	distribution	NN
39142	2939	43	of	of	IN
39142	2939	44	54,000	54,000	CD
39142	2939	45	visual	visual	JJ
39142	2939	46	double	double	JJ
39142	2939	47	stars	star	NNS
39142	2939	48	,	,	,
39142	2939	49	of	of	IN
39142	2939	50	which	which	WDT
39142	2939	51	the	the	DT
39142	2939	52	spectra	spectra	NN
39142	2939	53	of	of	IN
39142	2939	54	3919	3919	CD
39142	2939	55	are	be	VBP
39142	2939	56	known	know	VBN
39142	2939	57	.	.	.
39142	2940	1	That	that	IN
39142	2940	2	the	the	DT
39142	2940	3	masses	masse	NNS
39142	2940	4	of	of	IN
39142	2940	5	binary	binary	JJ
39142	2940	6	systems	system	NNS
39142	2940	7	average	average	VBP
39142	2940	8	about	about	RB
39142	2940	9	twice	twice	PDT
39142	2940	10	that	that	DT
39142	2940	11	of	of	IN
39142	2940	12	the	the	DT
39142	2940	13	sun	sun	NN
39142	2940	14	's	's	POS
39142	2940	15	mass	mass	NN
39142	2940	16	has	have	VBZ
39142	2940	17	long	long	RB
39142	2940	18	been	be	VBN
39142	2940	19	known	know	VBN
39142	2940	20	,	,	,
39142	2940	21	and	and	CC
39142	2940	22	this	this	DT
39142	2940	23	fact	fact	NN
39142	2940	24	can	can	MD
39142	2940	25	be	be	VB
39142	2940	26	employed	employ	VBN
39142	2940	27	with	with	IN
39142	2940	28	confidence	confidence	NN
39142	2940	29	in	in	IN
39142	2940	30	estimates	estimate	NNS
39142	2940	31	of	of	IN
39142	2940	32	the	the	DT
39142	2940	33	probable	probable	JJ
39142	2940	34	parallax	parallax	NN
39142	2940	35	of	of	IN
39142	2940	36	these	these	DT
39142	2940	37	systems	system	NNS
39142	2940	38	.	.	.
39142	2941	1	Aitken	Aitken	NNP
39142	2941	2	applies	apply	VBZ
39142	2941	3	the	the	DT
39142	2941	4	test	test	NN
39142	2941	5	to	to	TO
39142	2941	6	fourteen	fourteen	CD
39142	2941	7	visual	visual	JJ
39142	2941	8	systems	system	NNS
39142	2941	9	for	for	IN
39142	2941	10	which	which	WDT
39142	2941	11	the	the	DT
39142	2941	12	necessary	necessary	JJ
39142	2941	13	data	datum	NNS
39142	2941	14	are	be	VBP
39142	2941	15	available	available	JJ
39142	2941	16	,	,	,
39142	2941	17	and	and	CC
39142	2941	18	deduces	deduce	NNS
39142	2941	19	for	for	IN
39142	2941	20	them	-PRON-	PRP
39142	2941	21	a	a	DT
39142	2941	22	mean	mean	JJ
39142	2941	23	mass	mass	NN
39142	2941	24	of	of	IN
39142	2941	25	1.76	1.76	CD
39142	2941	26	times	time	NNS
39142	2941	27	that	that	DT
39142	2941	28	of	of	IN
39142	2941	29	the	the	DT
39142	2941	30	sun	sun	NN
39142	2941	31	.	.	.
39142	2942	1	For	for	IN
39142	2942	2	the	the	DT
39142	2942	3	spectroscopic	spectroscopic	JJ
39142	2942	4	binaries	binarie	VBZ
39142	2942	5	the	the	DT
39142	2942	6	masses	masse	NNS
39142	2942	7	are	be	VBP
39142	2942	8	much	much	RB
39142	2942	9	greater	great	JJR
39142	2942	10	.	.	.
39142	2943	1	Triple	triple	JJ
39142	2943	2	,	,	,
39142	2943	3	quadruple	quadruple	NN
39142	2943	4	and	and	CC
39142	2943	5	multiple	multiple	JJ
39142	2943	6	stars	star	NNS
39142	2943	7	are	be	VBP
39142	2943	8	less	less	RBR
39142	2943	9	frequent	frequent	JJ
39142	2943	10	;	;	:
39142	2943	11	but	but	CC
39142	2943	12	many	many	JJ
39142	2943	13	exceedingly	exceedingly	RB
39142	2943	14	interesting	interesting	JJ
39142	2943	15	objects	object	NNS
39142	2943	16	of	of	IN
39142	2943	17	this	this	DT
39142	2943	18	class	class	NN
39142	2943	19	exist	exist	VBP
39142	2943	20	.	.	.
39142	2944	1	Epsilon	Epsilon	NNP
39142	2944	2	Lyræ	Lyræ	NNP
39142	2944	3	is	be	VBZ
39142	2944	4	one	one	CD
39142	2944	5	,	,	,
39142	2944	6	a	a	DT
39142	2944	7	double	double	JJ
39142	2944	8	-	-	HYPH
39142	2944	9	double	double	JJ
39142	2944	10	,	,	,
39142	2944	11	or	or	CC
39142	2944	12	four	four	CD
39142	2944	13	stars	star	NNS
39142	2944	14	as	as	IN
39142	2944	15	seen	see	VBN
39142	2944	16	with	with	IN
39142	2944	17	slender	slend	JJR
39142	2944	18	telescopic	telescopic	NNP
39142	2944	19	power	power	NN
39142	2944	20	,	,	,
39142	2944	21	and	and	CC
39142	2944	22	six	six	CD
39142	2944	23	or	or	CC
39142	2944	24	seven	seven	CD
39142	2944	25	stars	star	NNS
39142	2944	26	with	with	IN
39142	2944	27	larger	large	JJR
39142	2944	28	instruments	instrument	NNS
39142	2944	29	.	.	.
39142	2945	1	Sigma	Sigma	NNP
39142	2945	2	Orionis	Orionis	NNP
39142	2945	3	and	and	CC
39142	2945	4	12	12	CD
39142	2945	5	Lyncis	lynci	NNS
39142	2945	6	,	,	,
39142	2945	7	also	also	RB
39142	2945	8	Theta	Theta	NNP
39142	2945	9	Cancri	Cancri	NNP
39142	2945	10	and	and	CC
39142	2945	11	Mu	Mu	NNP
39142	2945	12	Bootis	Bootis	NNP
39142	2945	13	are	be	VBP
39142	2945	14	good	good	JJ
39142	2945	15	examples	example	NNS
39142	2945	16	of	of	IN
39142	2945	17	triple	triple	JJ
39142	2945	18	stars	star	NNS
39142	2945	19	.	.	.
39142	2946	1	CHAPTER	chapter	NN
39142	2946	2	LIV	LIV	NNP
39142	2946	3	THE	the	DT
39142	2946	4	STAR	STAR	NNP
39142	2946	5	CLUSTERS	cluster	NNS
39142	2946	6	From	from	IN
39142	2946	7	multiple	multiple	JJ
39142	2946	8	stars	star	NNS
39142	2946	9	the	the	DT
39142	2946	10	transition	transition	NN
39142	2946	11	is	be	VBZ
39142	2946	12	natural	natural	JJ
39142	2946	13	to	to	TO
39142	2946	14	star	star	VB
39142	2946	15	clusters	cluster	NNS
39142	2946	16	although	although	IN
39142	2946	17	the	the	DT
39142	2946	18	gap	gap	NN
39142	2946	19	between	between	IN
39142	2946	20	these	these	DT
39142	2946	21	types	type	NNS
39142	2946	22	of	of	IN
39142	2946	23	stellar	stellar	JJ
39142	2946	24	objects	object	NNS
39142	2946	25	is	be	VBZ
39142	2946	26	very	very	RB
39142	2946	27	broad	broad	JJ
39142	2946	28	.	.	.
39142	2947	1	The	the	DT
39142	2947	2	familiar	familiar	JJ
39142	2947	3	group	group	NN
39142	2947	4	of	of	IN
39142	2947	5	the	the	DT
39142	2947	6	winter	winter	NN
39142	2947	7	sky	sky	NN
39142	2947	8	known	know	VBN
39142	2947	9	as	as	IN
39142	2947	10	the	the	DT
39142	2947	11	Pleiades	Pleiades	NNP
39142	2947	12	is	be	VBZ
39142	2947	13	a	a	DT
39142	2947	14	loose	loose	JJ
39142	2947	15	cluster	cluster	NN
39142	2947	16	,	,	,
39142	2947	17	showing	show	VBG
39142	2947	18	relatively	relatively	RB
39142	2947	19	very	very	RB
39142	2947	20	few	few	JJ
39142	2947	21	stars	star	NNS
39142	2947	22	even	even	RB
39142	2947	23	in	in	IN
39142	2947	24	telescopes	telescope	NNS
39142	2947	25	or	or	CC
39142	2947	26	on	on	IN
39142	2947	27	photographic	photographic	JJ
39142	2947	28	plates	plate	NNS
39142	2947	29	.	.	.
39142	2948	1	The	the	DT
39142	2948	2	"	"	``
39142	2948	3	Beehive	Beehive	NNP
39142	2948	4	,	,	,
39142	2948	5	"	"	''
39142	2948	6	or	or	CC
39142	2948	7	cluster	cluster	NN
39142	2948	8	known	know	VBN
39142	2948	9	as	as	IN
39142	2948	10	Praesepe	Praesepe	NNP
39142	2948	11	in	in	IN
39142	2948	12	Cancer	Cancer	NNP
39142	2948	13	,	,	,
39142	2948	14	and	and	CC
39142	2948	15	a	a	DT
39142	2948	16	double	double	JJ
39142	2948	17	group	group	NN
39142	2948	18	in	in	IN
39142	2948	19	the	the	DT
39142	2948	20	sword	sword	NN
39142	2948	21	-	-	HYPH
39142	2948	22	handle	handle	NN
39142	2948	23	of	of	IN
39142	2948	24	Perseus	Perseus	NNP
39142	2948	25	,	,	,
39142	2948	26	both	both	DT
39142	2948	27	just	just	RB
39142	2948	28	visible	visible	JJ
39142	2948	29	to	to	IN
39142	2948	30	the	the	DT
39142	2948	31	naked	naked	JJ
39142	2948	32	eye	eye	NN
39142	2948	33	,	,	,
39142	2948	34	are	be	VBP
39142	2948	35	excellent	excellent	JJ
39142	2948	36	examples	example	NNS
39142	2948	37	of	of	IN
39142	2948	38	star	star	NN
39142	2948	39	clusters	cluster	NNS
39142	2948	40	of	of	IN
39142	2948	41	the	the	DT
39142	2948	42	average	average	JJ
39142	2948	43	type	type	NN
39142	2948	44	.	.	.
39142	2949	1	When	when	WRB
39142	2949	2	the	the	DT
39142	2949	3	moon	moon	NN
39142	2949	4	is	be	VBZ
39142	2949	5	absent	absent	JJ
39142	2949	6	,	,	,
39142	2949	7	they	-PRON-	PRP
39142	2949	8	are	be	VBP
39142	2949	9	easily	easily	RB
39142	2949	10	recognized	recognize	VBN
39142	2949	11	without	without	IN
39142	2949	12	a	a	DT
39142	2949	13	telescope	telescope	NN
39142	2949	14	as	as	IN
39142	2949	15	little	little	JJ
39142	2949	16	patches	patch	NNS
39142	2949	17	of	of	IN
39142	2949	18	nebulous	nebulous	JJ
39142	2949	19	light	light	NN
39142	2949	20	;	;	:
39142	2949	21	but	but	CC
39142	2949	22	every	every	DT
39142	2949	23	increase	increase	NN
39142	2949	24	of	of	IN
39142	2949	25	optical	optical	JJ
39142	2949	26	power	power	NN
39142	2949	27	adds	add	VBZ
39142	2949	28	to	to	IN
39142	2949	29	their	-PRON-	PRP$
39142	2949	30	magnificence	magnificence	NN
39142	2949	31	.	.	.
39142	2950	1	Then	then	RB
39142	2950	2	we	-PRON-	PRP
39142	2950	3	come	come	VBP
39142	2950	4	in	in	IN
39142	2950	5	regular	regular	JJ
39142	2950	6	succession	succession	NN
39142	2950	7	to	to	IN
39142	2950	8	the	the	DT
39142	2950	9	truly	truly	RB
39142	2950	10	marvelous	marvelous	JJ
39142	2950	11	globular	globular	JJ
39142	2950	12	clusters	cluster	NNS
39142	2950	13	,	,	,
39142	2950	14	that	that	IN
39142	2950	15	for	for	IN
39142	2950	16	instance	instance	NN
39142	2950	17	in	in	IN
39142	2950	18	Hercules	Hercules	NNP
39142	2950	19	.	.	.
39142	2951	1	Messier	Messier	NNP
39142	2951	2	13	13	CD
39142	2951	3	,	,	,
39142	2951	4	a	a	DT
39142	2951	5	recent	recent	JJ
39142	2951	6	photograph	photograph	NN
39142	2951	7	of	of	IN
39142	2951	8	which	which	WDT
39142	2951	9	,	,	,
39142	2951	10	taken	take	VBN
39142	2951	11	by	by	IN
39142	2951	12	Ritchey	Ritchey	NNP
39142	2951	13	with	with	IN
39142	2951	14	the	the	DT
39142	2951	15	60-inch	60-inch	CD
39142	2951	16	reflector	reflector	NN
39142	2951	17	on	on	IN
39142	2951	18	Mount	Mount	NNP
39142	2951	19	Wilson	Wilson	NNP
39142	2951	20	,	,	,
39142	2951	21	reveals	reveal	VBZ
39142	2951	22	an	an	DT
39142	2951	23	aggregation	aggregation	NN
39142	2951	24	of	of	IN
39142	2951	25	more	more	JJR
39142	2951	26	than	than	IN
39142	2951	27	50,000	50,000	CD
39142	2951	28	stars	star	NNS
39142	2951	29	.	.	.
39142	2952	1	But	but	CC
39142	2952	2	the	the	DT
39142	2952	3	finest	fine	JJS
39142	2952	4	specimens	specimen	NNS
39142	2952	5	are	be	VBP
39142	2952	6	in	in	IN
39142	2952	7	the	the	DT
39142	2952	8	southern	southern	JJ
39142	2952	9	hemisphere	hemisphere	NN
39142	2952	10	.	.	.
39142	2953	1	Sir	Sir	NNP
39142	2953	2	John	John	NNP
39142	2953	3	Herschel	Herschel	NNP
39142	2953	4	spent	spend	VBD
39142	2953	5	much	much	JJ
39142	2953	6	time	time	NN
39142	2953	7	investigating	investigate	VBG
39142	2953	8	them	-PRON-	PRP
39142	2953	9	nearly	nearly	RB
39142	2953	10	a	a	DT
39142	2953	11	century	century	NN
39142	2953	12	ago	ago	RB
39142	2953	13	at	at	IN
39142	2953	14	the	the	DT
39142	2953	15	Cape	Cape	NNP
39142	2953	16	of	of	IN
39142	2953	17	Good	Good	NNP
39142	2953	18	Hope	Hope	NNP
39142	2953	19	.	.	.
39142	2954	1	His	-PRON-	PRP$
39142	2954	2	description	description	NN
39142	2954	3	of	of	IN
39142	2954	4	the	the	DT
39142	2954	5	cluster	cluster	NN
39142	2954	6	in	in	IN
39142	2954	7	the	the	DT
39142	2954	8	constellation	constellation	NN
39142	2954	9	of	of	IN
39142	2954	10	Centaurus	Centaurus	NNP
39142	2954	11	is	be	VBZ
39142	2954	12	as	as	IN
39142	2954	13	follows	follow	VBZ
39142	2954	14	:	:	:
39142	2954	15	"	"	``
39142	2954	16	The	the	DT
39142	2954	17	noble	noble	JJ
39142	2954	18	globular	globular	JJ
39142	2954	19	cluster	cluster	NN
39142	2954	20	Omega	Omega	NNP
39142	2954	21	Centauri	Centauri	NNP
39142	2954	22	is	be	VBZ
39142	2954	23	beyond	beyond	IN
39142	2954	24	all	all	DT
39142	2954	25	comparison	comparison	NN
39142	2954	26	the	the	DT
39142	2954	27	richest	rich	JJS
39142	2954	28	and	and	CC
39142	2954	29	largest	large	JJS
39142	2954	30	object	object	NN
39142	2954	31	of	of	IN
39142	2954	32	the	the	DT
39142	2954	33	kind	kind	NN
39142	2954	34	in	in	IN
39142	2954	35	the	the	DT
39142	2954	36	heavens	heavens	NNPS
39142	2954	37	.	.	.
39142	2955	1	The	the	DT
39142	2955	2	stars	star	NNS
39142	2955	3	are	be	VBP
39142	2955	4	literally	literally	RB
39142	2955	5	innumerable	innumerable	JJ
39142	2955	6	,	,	,
39142	2955	7	and	and	CC
39142	2955	8	as	as	IN
39142	2955	9	their	-PRON-	PRP$
39142	2955	10	total	total	JJ
39142	2955	11	light	light	NN
39142	2955	12	when	when	WRB
39142	2955	13	received	receive	VBN
39142	2955	14	by	by	IN
39142	2955	15	the	the	DT
39142	2955	16	naked	naked	JJ
39142	2955	17	eye	eye	NN
39142	2955	18	affects	affect	VBZ
39142	2955	19	it	-PRON-	PRP
39142	2955	20	hardly	hardly	RB
39142	2955	21	more	more	RBR
39142	2955	22	than	than	IN
39142	2955	23	a	a	DT
39142	2955	24	star	star	NN
39142	2955	25	of	of	IN
39142	2955	26	the	the	DT
39142	2955	27	fifth	fifth	JJ
39142	2955	28	or	or	CC
39142	2955	29	fourth	fourth	JJ
39142	2955	30	to	to	IN
39142	2955	31	fifth	fifth	JJ
39142	2955	32	magnitude	magnitude	NN
39142	2955	33	,	,	,
39142	2955	34	the	the	DT
39142	2955	35	minuteness	minuteness	NN
39142	2955	36	of	of	IN
39142	2955	37	each	each	DT
39142	2955	38	star	star	NN
39142	2955	39	may	may	MD
39142	2955	40	be	be	VB
39142	2955	41	imagined	imagine	VBN
39142	2955	42	.	.	.
39142	2955	43	"	"	''
39142	2956	1	Others	other	NNS
39142	2956	2	of	of	IN
39142	2956	3	these	these	DT
39142	2956	4	clusters	cluster	NNS
39142	2956	5	are	be	VBP
39142	2956	6	so	so	RB
39142	2956	7	remote	remote	JJ
39142	2956	8	that	that	IN
39142	2956	9	the	the	DT
39142	2956	10	separate	separate	JJ
39142	2956	11	stars	star	NNS
39142	2956	12	are	be	VBP
39142	2956	13	not	not	RB
39142	2956	14	distinguishable	distinguishable	JJ
39142	2956	15	,	,	,
39142	2956	16	especially	especially	RB
39142	2956	17	at	at	IN
39142	2956	18	the	the	DT
39142	2956	19	center	center	NN
39142	2956	20	,	,	,
39142	2956	21	and	and	CC
39142	2956	22	their	-PRON-	PRP$
39142	2956	23	distances	distance	NNS
39142	2956	24	are	be	VBP
39142	2956	25	entirely	entirely	RB
39142	2956	26	beyond	beyond	IN
39142	2956	27	our	-PRON-	PRP$
39142	2956	28	present	present	JJ
39142	2956	29	powers	power	NNS
39142	2956	30	of	of	IN
39142	2956	31	direct	direct	JJ
39142	2956	32	measurement	measurement	NN
39142	2956	33	,	,	,
39142	2956	34	although	although	IN
39142	2956	35	methods	method	NNS
39142	2956	36	of	of	IN
39142	2956	37	estimating	estimate	VBG
39142	2956	38	them	-PRON-	PRP
39142	2956	39	are	be	VBP
39142	2956	40	in	in	IN
39142	2956	41	process	process	NN
39142	2956	42	of	of	IN
39142	2956	43	development	development	NN
39142	2956	44	.	.	.
39142	2957	1	If	if	IN
39142	2957	2	gravitation	gravitation	NN
39142	2957	3	is	be	VBZ
39142	2957	4	regnant	regnant	JJ
39142	2957	5	among	among	IN
39142	2957	6	the	the	DT
39142	2957	7	uncounted	uncounted	JJ
39142	2957	8	components	component	NNS
39142	2957	9	of	of	IN
39142	2957	10	stellar	stellar	JJ
39142	2957	11	clusters	cluster	NNS
39142	2957	12	,	,	,
39142	2957	13	as	as	RB
39142	2957	14	doubtless	doubtless	JJ
39142	2957	15	it	-PRON-	PRP
39142	2957	16	is	be	VBZ
39142	2957	17	,	,	,
39142	2957	18	these	these	DT
39142	2957	19	stars	star	NNS
39142	2957	20	must	must	MD
39142	2957	21	be	be	VB
39142	2957	22	in	in	IN
39142	2957	23	rapid	rapid	JJ
39142	2957	24	motion	motion	NN
39142	2957	25	,	,	,
39142	2957	26	although	although	IN
39142	2957	27	our	-PRON-	PRP$
39142	2957	28	photographs	photograph	NNS
39142	2957	29	of	of	IN
39142	2957	30	measurements	measurement	NNS
39142	2957	31	have	have	VBP
39142	2957	32	been	be	VBN
39142	2957	33	made	make	VBN
39142	2957	34	too	too	RB
39142	2957	35	recently	recently	RB
39142	2957	36	for	for	IN
39142	2957	37	us	-PRON-	PRP
39142	2957	38	to	to	TO
39142	2957	39	detect	detect	VB
39142	2957	40	even	even	RB
39142	2957	41	the	the	DT
39142	2957	42	slightest	slight	JJS
39142	2957	43	motion	motion	NN
39142	2957	44	in	in	IN
39142	2957	45	any	any	DT
39142	2957	46	of	of	IN
39142	2957	47	the	the	DT
39142	2957	48	component	component	NN
39142	2957	49	stars	star	NNS
39142	2957	50	of	of	IN
39142	2957	51	a	a	DT
39142	2957	52	cluster	cluster	NN
39142	2957	53	.	.	.
39142	2958	1	The	the	DT
39142	2958	2	only	only	JJ
39142	2958	3	variations	variation	NNS
39142	2958	4	are	be	VBP
39142	2958	5	changes	change	NNS
39142	2958	6	of	of	IN
39142	2958	7	apparent	apparent	JJ
39142	2958	8	magnitude	magnitude	NN
39142	2958	9	,	,	,
39142	2958	10	of	of	IN
39142	2958	11	a	a	DT
39142	2958	12	type	type	NN
39142	2958	13	first	first	RB
39142	2958	14	detected	detect	VBN
39142	2958	15	in	in	IN
39142	2958	16	a	a	DT
39142	2958	17	large	large	JJ
39142	2958	18	number	number	NN
39142	2958	19	of	of	IN
39142	2958	20	stars	star	NNS
39142	2958	21	in	in	IN
39142	2958	22	Omega	Omega	NNP
39142	2958	23	Centauri	Centauri	NNP
39142	2958	24	,	,	,
39142	2958	25	by	by	IN
39142	2958	26	Bailey	Bailey	NNP
39142	2958	27	of	of	IN
39142	2958	28	Harvard	Harvard	NNP
39142	2958	29	,	,	,
39142	2958	30	who	who	WP
39142	2958	31	by	by	IN
39142	2958	32	comparison	comparison	NN
39142	2958	33	of	of	IN
39142	2958	34	photographs	photograph	NNS
39142	2958	35	of	of	IN
39142	2958	36	the	the	DT
39142	2958	37	globular	globular	JJ
39142	2958	38	clusters	cluster	NNS
39142	2958	39	was	be	VBD
39142	2958	40	the	the	DT
39142	2958	41	first	first	JJ
39142	2958	42	to	to	TO
39142	2958	43	find	find	VB
39142	2958	44	variable	variable	JJ
39142	2958	45	stars	star	NNS
39142	2958	46	quite	quite	RB
39142	2958	47	numerous	numerous	JJ
39142	2958	48	in	in	IN
39142	2958	49	these	these	DT
39142	2958	50	objects	object	NNS
39142	2958	51	.	.	.
39142	2959	1	Their	-PRON-	PRP$
39142	2959	2	unexplained	unexplained	JJ
39142	2959	3	variations	variation	NNS
39142	2959	4	of	of	IN
39142	2959	5	magnitude	magnitude	NN
39142	2959	6	take	take	VB
39142	2959	7	place	place	NN
39142	2959	8	with	with	IN
39142	2959	9	great	great	JJ
39142	2959	10	rapidity	rapidity	NN
39142	2959	11	,	,	,
39142	2959	12	often	often	RB
39142	2959	13	within	within	IN
39142	2959	14	a	a	DT
39142	2959	15	few	few	JJ
39142	2959	16	hours	hour	NNS
39142	2959	17	.	.	.
39142	2960	1	There	there	EX
39142	2960	2	are	be	VBP
39142	2960	3	about	about	RB
39142	2960	4	a	a	DT
39142	2960	5	hundred	hundred	CD
39142	2960	6	of	of	IN
39142	2960	7	these	these	DT
39142	2960	8	globular	globular	JJ
39142	2960	9	clusters	cluster	NNS
39142	2960	10	,	,	,
39142	2960	11	and	and	CC
39142	2960	12	the	the	DT
39142	2960	13	radial	radial	JJ
39142	2960	14	velocities	velocity	NNS
39142	2960	15	of	of	IN
39142	2960	16	ten	ten	CD
39142	2960	17	of	of	IN
39142	2960	18	them	-PRON-	PRP
39142	2960	19	have	have	VBP
39142	2960	20	been	be	VBN
39142	2960	21	measured	measure	VBN
39142	2960	22	by	by	IN
39142	2960	23	Slipher	Slipher	NNP
39142	2960	24	and	and	CC
39142	2960	25	found	find	VBN
39142	2960	26	to	to	TO
39142	2960	27	range	range	VB
39142	2960	28	from	from	IN
39142	2960	29	a	a	DT
39142	2960	30	recession	recession	NN
39142	2960	31	of	of	IN
39142	2960	32	410	410	CD
39142	2960	33	to	to	IN
39142	2960	34	an	an	DT
39142	2960	35	approach	approach	NN
39142	2960	36	of	of	IN
39142	2960	37	225	225	CD
39142	2960	38	kilometers	kilometer	NNS
39142	2960	39	per	per	IN
39142	2960	40	second	second	NN
39142	2960	41	.	.	.
39142	2961	1	These	these	DT
39142	2961	2	excessive	excessive	JJ
39142	2961	3	velocities	velocity	NNS
39142	2961	4	are	be	VBP
39142	2961	5	comparable	comparable	JJ
39142	2961	6	with	with	IN
39142	2961	7	those	those	DT
39142	2961	8	found	find	VBN
39142	2961	9	for	for	IN
39142	2961	10	the	the	DT
39142	2961	11	spiral	spiral	JJ
39142	2961	12	nebulæ	nebulæ	NN
39142	2961	13	.	.	.
39142	2962	1	Shapley	Shapley	NNP
39142	2962	2	has	have	VBZ
39142	2962	3	estimated	estimate	VBN
39142	2962	4	the	the	DT
39142	2962	5	distances	distance	NNS
39142	2962	6	of	of	IN
39142	2962	7	many	many	JJ
39142	2962	8	of	of	IN
39142	2962	9	these	these	DT
39142	2962	10	bodies	body	NNS
39142	2962	11	,	,	,
39142	2962	12	which	which	WDT
39142	2962	13	contain	contain	VBP
39142	2962	14	a	a	DT
39142	2962	15	large	large	JJ
39142	2962	16	number	number	NN
39142	2962	17	of	of	IN
39142	2962	18	variable	variable	JJ
39142	2962	19	stars	star	NNS
39142	2962	20	of	of	IN
39142	2962	21	the	the	DT
39142	2962	22	Cepheid	Cepheid	NNP
39142	2962	23	type	type	NN
39142	2962	24	.	.	.
39142	2963	1	By	by	IN
39142	2963	2	assuming	assume	VBG
39142	2963	3	their	-PRON-	PRP$
39142	2963	4	absolute	absolute	JJ
39142	2963	5	magnitudes	magnitude	NNS
39142	2963	6	equal	equal	JJ
39142	2963	7	to	to	IN
39142	2963	8	those	those	DT
39142	2963	9	of	of	IN
39142	2963	10	similar	similar	JJ
39142	2963	11	Cepheids	cepheid	NNS
39142	2963	12	at	at	IN
39142	2963	13	known	know	VBN
39142	2963	14	distances	distance	NNS
39142	2963	15	,	,	,
39142	2963	16	he	-PRON-	PRP
39142	2963	17	finds	find	VBZ
39142	2963	18	their	-PRON-	PRP$
39142	2963	19	distance	distance	NN
39142	2963	20	represented	represent	VBN
39142	2963	21	by	by	IN
39142	2963	22	the	the	DT
39142	2963	23	inconceivably	inconceivably	RB
39142	2963	24	minute	minute	JJ
39142	2963	25	parallax	parallax	NN
39142	2963	26	of	of	IN
39142	2963	27	0".00012	0".00012	NNP
39142	2963	28	,	,	,
39142	2963	29	corresponding	correspond	VBG
39142	2963	30	to	to	IN
39142	2963	31	30,000	30,000	CD
39142	2963	32	light	light	NN
39142	2963	33	-	-	HYPH
39142	2963	34	years	year	NNS
39142	2963	35	.	.	.
39142	2964	1	This	this	DT
39142	2964	2	research	research	NN
39142	2964	3	also	also	RB
39142	2964	4	places	place	VBZ
39142	2964	5	the	the	DT
39142	2964	6	globular	globular	JJ
39142	2964	7	clusters	cluster	NNS
39142	2964	8	far	far	RB
39142	2964	9	outside	outside	RB
39142	2964	10	and	and	CC
39142	2964	11	independent	independent	JJ
39142	2964	12	of	of	IN
39142	2964	13	our	-PRON-	PRP$
39142	2964	14	Galactic	galactic	JJ
39142	2964	15	system	system	NN
39142	2964	16	of	of	IN
39142	2964	17	stars	star	NNS
39142	2964	18	.	.	.
39142	2965	1	The	the	DT
39142	2965	2	distribution	distribution	NN
39142	2965	3	of	of	IN
39142	2965	4	the	the	DT
39142	2965	5	globular	globular	JJ
39142	2965	6	clusters	cluster	NNS
39142	2965	7	has	have	VBZ
39142	2965	8	also	also	RB
39142	2965	9	been	be	VBN
39142	2965	10	investigated	investigate	VBN
39142	2965	11	,	,	,
39142	2965	12	and	and	CC
39142	2965	13	these	these	DT
39142	2965	14	interesting	interesting	JJ
39142	2965	15	objects	object	NNS
39142	2965	16	are	be	VBP
39142	2965	17	found	find	VBN
39142	2965	18	almost	almost	RB
39142	2965	19	exclusively	exclusively	RB
39142	2965	20	in	in	IN
39142	2965	21	but	but	CC
39142	2965	22	one	one	CD
39142	2965	23	hemisphere	hemisphere	NN
39142	2965	24	of	of	IN
39142	2965	25	the	the	DT
39142	2965	26	sky	sky	NN
39142	2965	27	.	.	.
39142	2966	1	Its	-PRON-	PRP$
39142	2966	2	center	center	NN
39142	2966	3	lies	lie	VBZ
39142	2966	4	in	in	IN
39142	2966	5	the	the	DT
39142	2966	6	rich	rich	JJ
39142	2966	7	star	star	NN
39142	2966	8	clouds	cloud	NNS
39142	2966	9	of	of	IN
39142	2966	10	Scorpio	Scorpio	NNP
39142	2966	11	and	and	CC
39142	2966	12	Sagittarius	Sagittarius	NNP
39142	2966	13	.	.	.
39142	2967	1	Success	success	NN
39142	2967	2	in	in	IN
39142	2967	3	finding	find	VBG
39142	2967	4	the	the	DT
39142	2967	5	distances	distance	NNS
39142	2967	6	of	of	IN
39142	2967	7	these	these	DT
39142	2967	8	objects	object	NNS
39142	2967	9	has	have	VBZ
39142	2967	10	made	make	VBN
39142	2967	11	it	-PRON-	PRP
39142	2967	12	possible	possible	JJ
39142	2967	13	to	to	TO
39142	2967	14	form	form	VB
39142	2967	15	a	a	DT
39142	2967	16	general	general	JJ
39142	2967	17	idea	idea	NN
39142	2967	18	of	of	IN
39142	2967	19	their	-PRON-	PRP$
39142	2967	20	distribution	distribution	NN
39142	2967	21	in	in	IN
39142	2967	22	three	three	CD
39142	2967	23	-	-	HYPH
39142	2967	24	dimensional	dimensional	JJ
39142	2967	25	space	space	NN
39142	2967	26	.	.	.
39142	2968	1	The	the	DT
39142	2968	2	numerous	numerous	JJ
39142	2968	3	variable	variable	JJ
39142	2968	4	stars	star	NNS
39142	2968	5	in	in	IN
39142	2968	6	any	any	DT
39142	2968	7	one	one	CD
39142	2968	8	cluster	cluster	NN
39142	2968	9	are	be	VBP
39142	2968	10	remarkable	remarkable	JJ
39142	2968	11	for	for	IN
39142	2968	12	their	-PRON-	PRP$
39142	2968	13	uniformity	uniformity	NN
39142	2968	14	.	.	.
39142	2969	1	Accepting	accept	VBG
39142	2969	2	variables	variable	NNS
39142	2969	3	of	of	IN
39142	2969	4	this	this	DT
39142	2969	5	type	type	NN
39142	2969	6	as	as	IN
39142	2969	7	a	a	DT
39142	2969	8	constant	constant	JJ
39142	2969	9	standard	standard	NN
39142	2969	10	of	of	IN
39142	2969	11	absolute	absolute	JJ
39142	2969	12	brightness	brightness	NN
39142	2969	13	,	,	,
39142	2969	14	and	and	CC
39142	2969	15	assuming	assume	VBG
39142	2969	16	that	that	IN
39142	2969	17	the	the	DT
39142	2969	18	differences	difference	NNS
39142	2969	19	of	of	IN
39142	2969	20	average	average	JJ
39142	2969	21	magnitude	magnitude	NN
39142	2969	22	of	of	IN
39142	2969	23	the	the	DT
39142	2969	24	variables	variable	NNS
39142	2969	25	in	in	IN
39142	2969	26	different	different	JJ
39142	2969	27	clusters	cluster	NNS
39142	2969	28	are	be	VBP
39142	2969	29	entirely	entirely	RB
39142	2969	30	due	due	JJ
39142	2969	31	to	to	IN
39142	2969	32	differences	difference	NNS
39142	2969	33	of	of	IN
39142	2969	34	distance	distance	NN
39142	2969	35	,	,	,
39142	2969	36	the	the	DT
39142	2969	37	relative	relative	JJ
39142	2969	38	distances	distance	NNS
39142	2969	39	of	of	IN
39142	2969	40	many	many	JJ
39142	2969	41	clusters	cluster	NNS
39142	2969	42	were	be	VBD
39142	2969	43	ascertained	ascertain	VBN
39142	2969	44	with	with	IN
39142	2969	45	considerable	considerable	JJ
39142	2969	46	accuracy	accuracy	NN
39142	2969	47	.	.	.
39142	2970	1	Then	then	RB
39142	2970	2	it	-PRON-	PRP
39142	2970	3	was	be	VBD
39142	2970	4	found	find	VBN
39142	2970	5	that	that	IN
39142	2970	6	the	the	DT
39142	2970	7	average	average	JJ
39142	2970	8	absolute	absolute	JJ
39142	2970	9	magnitude	magnitude	NN
39142	2970	10	of	of	IN
39142	2970	11	the	the	DT
39142	2970	12	twenty	twenty	CD
39142	2970	13	-	-	HYPH
39142	2970	14	five	five	CD
39142	2970	15	brightest	bright	JJS
39142	2970	16	stars	star	NNS
39142	2970	17	in	in	IN
39142	2970	18	a	a	DT
39142	2970	19	cluster	cluster	NN
39142	2970	20	is	be	VBZ
39142	2970	21	also	also	RB
39142	2970	22	a	a	DT
39142	2970	23	uniform	uniform	JJ
39142	2970	24	standard	standard	NN
39142	2970	25	,	,	,
39142	2970	26	or	or	CC
39142	2970	27	about	about	RB
39142	2970	28	1.3	1.3	CD
39142	2970	29	magnitudes	magnitude	NNS
39142	2970	30	brighter	bright	JJR
39142	2970	31	than	than	IN
39142	2970	32	the	the	DT
39142	2970	33	mean	mean	JJ
39142	2970	34	magnitude	magnitude	NN
39142	2970	35	of	of	IN
39142	2970	36	the	the	DT
39142	2970	37	variables	variable	NNS
39142	2970	38	.	.	.
39142	2971	1	This	this	DT
39142	2971	2	new	new	JJ
39142	2971	3	standard	standard	NN
39142	2971	4	was	be	VBD
39142	2971	5	employed	employ	VBN
39142	2971	6	in	in	IN
39142	2971	7	ascertaining	ascertain	VBG
39142	2971	8	the	the	DT
39142	2971	9	distances	distance	NNS
39142	2971	10	of	of	IN
39142	2971	11	other	other	JJ
39142	2971	12	clusters	cluster	NNS
39142	2971	13	not	not	RB
39142	2971	14	containing	contain	VBG
39142	2971	15	many	many	JJ
39142	2971	16	variables	variable	NNS
39142	2971	17	.	.	.
39142	2972	1	Shapley	Shapley	NNP
39142	2972	2	further	further	RB
39142	2972	3	shows	show	VBZ
39142	2972	4	that	that	IN
39142	2972	5	the	the	DT
39142	2972	6	linear	linear	JJ
39142	2972	7	dimensions	dimension	NNS
39142	2972	8	of	of	IN
39142	2972	9	the	the	DT
39142	2972	10	clusters	cluster	NNS
39142	2972	11	are	be	VBP
39142	2972	12	nearly	nearly	RB
39142	2972	13	uniform	uniform	JJ
39142	2972	14	,	,	,
39142	2972	15	and	and	CC
39142	2972	16	the	the	DT
39142	2972	17	proper	proper	JJ
39142	2972	18	relative	relative	JJ
39142	2972	19	positions	position	NNS
39142	2972	20	in	in	IN
39142	2972	21	space	space	NN
39142	2972	22	are	be	VBP
39142	2972	23	charted	chart	VBN
39142	2972	24	for	for	IN
39142	2972	25	sixty	sixty	CD
39142	2972	26	-	-	HYPH
39142	2972	27	nine	nine	CD
39142	2972	28	of	of	IN
39142	2972	29	these	these	DT
39142	2972	30	objects	object	NNS
39142	2972	31	.	.	.
39142	2973	1	We	-PRON-	PRP
39142	2973	2	can	can	MD
39142	2973	3	determine	determine	VB
39142	2973	4	the	the	DT
39142	2973	5	scale	scale	NN
39142	2973	6	of	of	IN
39142	2973	7	the	the	DT
39142	2973	8	charts	chart	NNS
39142	2973	9	,	,	,
39142	2973	10	if	if	IN
39142	2973	11	we	-PRON-	PRP
39142	2973	12	know	know	VBP
39142	2973	13	the	the	DT
39142	2973	14	absolute	absolute	JJ
39142	2973	15	brightness	brightness	NN
39142	2973	16	of	of	IN
39142	2973	17	our	-PRON-	PRP$
39142	2973	18	primary	primary	JJ
39142	2973	19	standard	standard	NN
39142	2973	20	--	--	:
39142	2973	21	the	the	DT
39142	2973	22	variable	variable	JJ
39142	2973	23	stars	star	NNS
39142	2973	24	;	;	:
39142	2973	25	and	and	CC
39142	2973	26	this	this	DT
39142	2973	27	is	be	VBZ
39142	2973	28	deduced	deduce	VBN
39142	2973	29	from	from	IN
39142	2973	30	a	a	DT
39142	2973	31	knowledge	knowledge	NN
39142	2973	32	of	of	IN
39142	2973	33	the	the	DT
39142	2973	34	distances	distance	NNS
39142	2973	35	of	of	IN
39142	2973	36	variables	variable	NNS
39142	2973	37	of	of	IN
39142	2973	38	the	the	DT
39142	2973	39	same	same	JJ
39142	2973	40	type	type	NN
39142	2973	41	in	in	IN
39142	2973	42	our	-PRON-	PRP$
39142	2973	43	immediate	immediate	JJ
39142	2973	44	stellar	stellar	JJ
39142	2973	45	system	system	NN
39142	2973	46	.	.	.
39142	2974	1	The	the	DT
39142	2974	2	most	most	RBS
39142	2974	3	striking	striking	JJ
39142	2974	4	of	of	IN
39142	2974	5	all	all	PDT
39142	2974	6	the	the	DT
39142	2974	7	globular	globular	JJ
39142	2974	8	clusters	cluster	NNS
39142	2974	9	,	,	,
39142	2974	10	Omega	Omega	NNP
39142	2974	11	Centauri	Centauri	NNP
39142	2974	12	,	,	,
39142	2974	13	comes	come	VBZ
39142	2974	14	out	out	RP
39142	2974	15	the	the	DT
39142	2974	16	nearest	near	JJS
39142	2974	17	;	;	:
39142	2974	18	nevertheless	nevertheless	RB
39142	2974	19	it	-PRON-	PRP
39142	2974	20	is	be	VBZ
39142	2974	21	distant	distant	JJ
39142	2974	22	6.5	6.5	CD
39142	2974	23	kiloparsecs	kiloparsecs	NNP
39142	2974	24	.	.	.
39142	2975	1	A	a	DT
39142	2975	2	kiloparsec	kiloparsec	NNP
39142	2975	3	is	be	VBZ
39142	2975	4	a	a	DT
39142	2975	5	thousand	thousand	CD
39142	2975	6	parsecs	parsecs	NN
39142	2975	7	,	,	,
39142	2975	8	and	and	CC
39142	2975	9	is	be	VBZ
39142	2975	10	the	the	DT
39142	2975	11	equivalent	equivalent	NN
39142	2975	12	of	of	IN
39142	2975	13	3,256	3,256	CD
39142	2975	14	light	light	NN
39142	2975	15	-	-	HYPH
39142	2975	16	years	year	NNS
39142	2975	17	.	.	.
39142	2976	1	At	at	IN
39142	2976	2	the	the	DT
39142	2976	3	inconceivable	inconceivable	JJ
39142	2976	4	distance	distance	NN
39142	2976	5	of	of	IN
39142	2976	6	sixty	sixty	CD
39142	2976	7	-	-	HYPH
39142	2976	8	seven	seven	CD
39142	2976	9	kiloparsecs	kiloparsecs	NN
39142	2976	10	,	,	,
39142	2976	11	or	or	CC
39142	2976	12	more	more	JJR
39142	2976	13	than	than	IN
39142	2976	14	200,000	200,000	CD
39142	2976	15	light	light	NN
39142	2976	16	-	-	HYPH
39142	2976	17	years	year	NNS
39142	2976	18	,	,	,
39142	2976	19	is	be	VBZ
39142	2976	20	the	the	DT
39142	2976	21	most	most	RBS
39142	2976	22	remote	remote	JJ
39142	2976	23	of	of	IN
39142	2976	24	the	the	DT
39142	2976	25	globular	globular	JJ
39142	2976	26	clusters	cluster	NNS
39142	2976	27	,	,	,
39142	2976	28	known	know	VBN
39142	2976	29	to	to	IN
39142	2976	30	astronomers	astronomer	NNS
39142	2976	31	as	as	IN
39142	2976	32	N.G.C.	N.G.C.	NNP
39142	2977	1	7006	7006	CD
39142	2977	2	,	,	,
39142	2977	3	from	from	IN
39142	2977	4	its	-PRON-	PRP$
39142	2977	5	number	number	NN
39142	2977	6	in	in	IN
39142	2977	7	the	the	DT
39142	2977	8	catalogue	catalogue	NN
39142	2977	9	which	which	WDT
39142	2977	10	records	record	VBZ
39142	2977	11	its	-PRON-	PRP$
39142	2977	12	position	position	NN
39142	2977	13	in	in	IN
39142	2977	14	the	the	DT
39142	2977	15	sky	sky	NN
39142	2977	16	,	,	,
39142	2977	17	the	the	DT
39142	2977	18	New	New	NNP
39142	2977	19	General	General	NNP
39142	2977	20	Catalogue	Catalogue	NNP
39142	2977	21	of	of	IN
39142	2977	22	nebulæ	nebulæ	NN
39142	2977	23	by	by	IN
39142	2977	24	Dreyer	Dreyer	NNP
39142	2977	25	of	of	IN
39142	2977	26	Armagh	Armagh	NNP
39142	2977	27	.	.	.
39142	2978	1	The	the	DT
39142	2978	2	clusters	cluster	NNS
39142	2978	3	are	be	VBP
39142	2978	4	widely	widely	RB
39142	2978	5	scattered	scatter	VBN
39142	2978	6	,	,	,
39142	2978	7	and	and	CC
39142	2978	8	their	-PRON-	PRP$
39142	2978	9	center	center	NN
39142	2978	10	of	of	IN
39142	2978	11	diffusion	diffusion	NN
39142	2978	12	is	be	VBZ
39142	2978	13	about	about	RB
39142	2978	14	twenty	twenty	CD
39142	2978	15	kiloparsecs	kiloparsecs	NNP
39142	2978	16	on	on	IN
39142	2978	17	the	the	DT
39142	2978	18	Galactic	galactic	JJ
39142	2978	19	plane	plane	NN
39142	2978	20	toward	toward	IN
39142	2978	21	the	the	DT
39142	2978	22	region	region	NN
39142	2978	23	of	of	IN
39142	2978	24	Scorpio	Scorpio	NNP
39142	2978	25	-	-	HYPH
39142	2978	26	Sagittarius	Sagittarius	NNP
39142	2978	27	.	.	.
39142	2979	1	Marked	Marked	NNP
39142	2979	2	symmetry	symmetry	NN
39142	2979	3	with	with	IN
39142	2979	4	reference	reference	NN
39142	2979	5	to	to	IN
39142	2979	6	this	this	DT
39142	2979	7	plane	plane	NN
39142	2979	8	makes	make	VBZ
39142	2979	9	it	-PRON-	PRP
39142	2979	10	evident	evident	JJ
39142	2979	11	that	that	IN
39142	2979	12	the	the	DT
39142	2979	13	entire	entire	JJ
39142	2979	14	system	system	NN
39142	2979	15	of	of	IN
39142	2979	16	globular	globular	JJ
39142	2979	17	clusters	cluster	NNS
39142	2979	18	is	be	VBZ
39142	2979	19	associated	associate	VBN
39142	2979	20	with	with	IN
39142	2979	21	the	the	DT
39142	2979	22	Galaxy	Galaxy	NNP
39142	2979	23	itself	-PRON-	PRP
39142	2979	24	.	.	.
39142	2980	1	But	but	CC
39142	2980	2	to	to	TO
39142	2980	3	conceive	conceive	VB
39142	2980	4	of	of	IN
39142	2980	5	this	this	DT
39142	2980	6	it	-PRON-	PRP
39142	2980	7	is	be	VBZ
39142	2980	8	necessary	necessary	JJ
39142	2980	9	to	to	TO
39142	2980	10	extend	extend	VB
39142	2980	11	our	-PRON-	PRP$
39142	2980	12	ideas	idea	NNS
39142	2980	13	of	of	IN
39142	2980	14	the	the	DT
39142	2980	15	actual	actual	JJ
39142	2980	16	dimensions	dimension	NNS
39142	2980	17	of	of	IN
39142	2980	18	the	the	DT
39142	2980	19	Galactic	galactic	JJ
39142	2980	20	system	system	NN
39142	2980	21	.	.	.
39142	2981	1	Almost	almost	RB
39142	2981	2	on	on	IN
39142	2981	3	the	the	DT
39142	2981	4	circumference	circumference	NN
39142	2981	5	of	of	IN
39142	2981	6	the	the	DT
39142	2981	7	great	great	JJ
39142	2981	8	system	system	NN
39142	2981	9	of	of	IN
39142	2981	10	globular	globular	JJ
39142	2981	11	clusters	cluster	NNS
39142	2981	12	our	-PRON-	PRP$
39142	2981	13	local	local	JJ
39142	2981	14	stellar	stellar	JJ
39142	2981	15	system	system	NN
39142	2981	16	is	be	VBZ
39142	2981	17	found	find	VBN
39142	2981	18	,	,	,
39142	2981	19	and	and	CC
39142	2981	20	it	-PRON-	PRP
39142	2981	21	contains	contain	VBZ
39142	2981	22	probably	probably	RB
39142	2981	23	all	all	PDT
39142	2981	24	the	the	DT
39142	2981	25	naked	naked	JJ
39142	2981	26	-	-	HYPH
39142	2981	27	eye	eye	NN
39142	2981	28	stars	star	NNS
39142	2981	29	,	,	,
39142	2981	30	with	with	IN
39142	2981	31	millions	million	NNS
39142	2981	32	of	of	IN
39142	2981	33	fainter	fainter	NN
39142	2981	34	ones	one	NNS
39142	2981	35	.	.	.
39142	2982	1	Its	-PRON-	PRP$
39142	2982	2	size	size	NN
39142	2982	3	seems	seem	VBZ
39142	2982	4	almost	almost	RB
39142	2982	5	diminutive	diminutive	JJ
39142	2982	6	,	,	,
39142	2982	7	only	only	RB
39142	2982	8	about	about	RB
39142	2982	9	one	one	CD
39142	2982	10	kiloparsec	kiloparsec	NNP
39142	2982	11	in	in	IN
39142	2982	12	diameter	diameter	NN
39142	2982	13	.	.	.
39142	2983	1	The	the	DT
39142	2983	2	relative	relative	JJ
39142	2983	3	location	location	NN
39142	2983	4	of	of	IN
39142	2983	5	our	-PRON-	PRP$
39142	2983	6	local	local	JJ
39142	2983	7	stellar	stellar	JJ
39142	2983	8	system	system	NN
39142	2983	9	shows	show	VBZ
39142	2983	10	why	why	WRB
39142	2983	11	the	the	DT
39142	2983	12	globular	globular	JJ
39142	2983	13	clusters	cluster	NNS
39142	2983	14	appear	appear	VBP
39142	2983	15	to	to	TO
39142	2983	16	be	be	VB
39142	2983	17	crowded	crowd	VBN
39142	2983	18	into	into	IN
39142	2983	19	one	one	CD
39142	2983	20	hemisphere	hemisphere	NN
39142	2983	21	only	only	RB
39142	2983	22	.	.	.
39142	2984	1	Shapley	Shapley	NNP
39142	2984	2	suggests	suggest	VBZ
39142	2984	3	that	that	IN
39142	2984	4	globular	globular	JJ
39142	2984	5	clusters	cluster	NNS
39142	2984	6	can	can	MD
39142	2984	7	exist	exist	VB
39142	2984	8	only	only	RB
39142	2984	9	in	in	IN
39142	2984	10	empty	empty	JJ
39142	2984	11	space	space	NN
39142	2984	12	,	,	,
39142	2984	13	and	and	CC
39142	2984	14	that	that	IN
39142	2984	15	when	when	WRB
39142	2984	16	they	-PRON-	PRP
39142	2984	17	enter	enter	VBP
39142	2984	18	the	the	DT
39142	2984	19	regions	region	NNS
39142	2984	20	of	of	IN
39142	2984	21	space	space	NN
39142	2984	22	tenanted	tenant	VBN
39142	2984	23	by	by	IN
39142	2984	24	stars	star	NNS
39142	2984	25	,	,	,
39142	2984	26	they	-PRON-	PRP
39142	2984	27	dissolve	dissolve	VBP
39142	2984	28	into	into	IN
39142	2984	29	the	the	DT
39142	2984	30	well	well	RB
39142	2984	31	-	-	HYPH
39142	2984	32	known	know	VBN
39142	2984	33	loose	loose	JJ
39142	2984	34	clusters	cluster	NNS
39142	2984	35	and	and	CC
39142	2984	36	the	the	DT
39142	2984	37	star	star	NN
39142	2984	38	clouds	cloud	NNS
39142	2984	39	of	of	IN
39142	2984	40	the	the	DT
39142	2984	41	Milky	Milky	NNP
39142	2984	42	Way	Way	NNP
39142	2984	43	.	.	.
39142	2985	1	Strangely	strangely	RB
39142	2985	2	the	the	DT
39142	2985	3	radial	radial	JJ
39142	2985	4	velocities	velocity	NNS
39142	2985	5	of	of	IN
39142	2985	6	the	the	DT
39142	2985	7	clusters	cluster	NNS
39142	2985	8	already	already	RB
39142	2985	9	observed	observe	VBD
39142	2985	10	show	show	NN
39142	2985	11	that	that	IN
39142	2985	12	most	most	JJS
39142	2985	13	of	of	IN
39142	2985	14	them	-PRON-	PRP
39142	2985	15	are	be	VBP
39142	2985	16	traveling	travel	VBG
39142	2985	17	toward	toward	IN
39142	2985	18	this	this	DT
39142	2985	19	region	region	NN
39142	2985	20	,	,	,
39142	2985	21	and	and	CC
39142	2985	22	that	that	IN
39142	2985	23	some	some	DT
39142	2985	24	will	will	MD
39142	2985	25	enter	enter	VB
39142	2985	26	the	the	DT
39142	2985	27	stellar	stellar	JJ
39142	2985	28	regions	region	NNS
39142	2985	29	within	within	IN
39142	2985	30	a	a	DT
39142	2985	31	period	period	NN
39142	2985	32	of	of	IN
39142	2985	33	the	the	DT
39142	2985	34	order	order	NN
39142	2985	35	of	of	IN
39142	2985	36	a	a	DT
39142	2985	37	hundred	hundred	CD
39142	2985	38	million	million	CD
39142	2985	39	years	year	NNS
39142	2985	40	.	.	.
39142	2986	1	The	the	DT
39142	2986	2	actual	actual	JJ
39142	2986	3	dimensions	dimension	NNS
39142	2986	4	of	of	IN
39142	2986	5	globular	globular	JJ
39142	2986	6	clusters	cluster	NNS
39142	2986	7	are	be	VBP
39142	2986	8	not	not	RB
39142	2986	9	easy	easy	JJ
39142	2986	10	to	to	TO
39142	2986	11	determine	determine	VB
39142	2986	12	,	,	,
39142	2986	13	because	because	IN
39142	2986	14	the	the	DT
39142	2986	15	outer	outer	JJ
39142	2986	16	stars	star	NNS
39142	2986	17	are	be	VBP
39142	2986	18	much	much	RB
39142	2986	19	scattered	scatter	VBN
39142	2986	20	.	.	.
39142	2987	1	To	to	IN
39142	2987	2	a	a	DT
39142	2987	3	typical	typical	JJ
39142	2987	4	cluster	cluster	NN
39142	2987	5	,	,	,
39142	2987	6	Messier	Messier	NNP
39142	2987	7	3	3	CD
39142	2987	8	,	,	,
39142	2987	9	Shapley	Shapley	NNP
39142	2987	10	assigns	assign	VBZ
39142	2987	11	a	a	DT
39142	2987	12	diameter	diameter	NN
39142	2987	13	of	of	IN
39142	2987	14	150	150	CD
39142	2987	15	parsecs	parsec	NNS
39142	2987	16	,	,	,
39142	2987	17	which	which	WDT
39142	2987	18	makes	make	VBZ
39142	2987	19	it	-PRON-	PRP
39142	2987	20	comparable	comparable	JJ
39142	2987	21	with	with	IN
39142	2987	22	the	the	DT
39142	2987	23	size	size	NN
39142	2987	24	of	of	IN
39142	2987	25	the	the	DT
39142	2987	26	stellar	stellar	JJ
39142	2987	27	cluster	cluster	NN
39142	2987	28	to	to	TO
39142	2987	29	which	which	WDT
39142	2987	30	the	the	DT
39142	2987	31	sun	sun	NN
39142	2987	32	belongs	belong	VBZ
39142	2987	33	.	.	.
39142	2988	1	Also	also	RB
39142	2988	2	on	on	IN
39142	2988	3	certain	certain	JJ
39142	2988	4	likely	likely	JJ
39142	2988	5	assumptions	assumption	NNS
39142	2988	6	,	,	,
39142	2988	7	he	-PRON-	PRP
39142	2988	8	finds	find	VBZ
39142	2988	9	that	that	IN
39142	2988	10	the	the	DT
39142	2988	11	diameter	diameter	NN
39142	2988	12	of	of	IN
39142	2988	13	the	the	DT
39142	2988	14	great	great	JJ
39142	2988	15	cluster	cluster	NN
39142	2988	16	in	in	IN
39142	2988	17	Hercules	Hercules	NNP
39142	2988	18	,	,	,
39142	2988	19	the	the	DT
39142	2988	20	finest	fine	JJS
39142	2988	21	one	one	CD
39142	2988	22	in	in	IN
39142	2988	23	our	-PRON-	PRP$
39142	2988	24	northern	northern	JJ
39142	2988	25	sky	sky	NN
39142	2988	26	,	,	,
39142	2988	27	is	be	VBZ
39142	2988	28	about	about	RB
39142	2988	29	350	350	CD
39142	2988	30	parsecs	parsecs	NN
39142	2988	31	,	,	,
39142	2988	32	and	and	CC
39142	2988	33	its	-PRON-	PRP$
39142	2988	34	distance	distance	NN
39142	2988	35	no	no	RB
39142	2988	36	less	less	JJR
39142	2988	37	than	than	IN
39142	2988	38	30,000	30,000	CD
39142	2988	39	parsecs	parsec	NNS
39142	2988	40	;	;	:
39142	2988	41	in	in	IN
39142	2988	42	other	other	JJ
39142	2988	43	words	word	NNS
39142	2988	44	,	,	,
39142	2988	45	the	the	DT
39142	2988	46	staggering	staggering	JJ
39142	2988	47	distance	distance	NN
39142	2988	48	that	that	WDT
39142	2988	49	light	light	NN
39142	2988	50	would	would	MD
39142	2988	51	require	require	VB
39142	2988	52	9,750,000	9,750,000	CD
39142	2988	53	years	year	NNS
39142	2988	54	to	to	TO
39142	2988	55	travel	travel	VB
39142	2988	56	over	over	RB
39142	2988	57	.	.	.
39142	2989	1	While	while	IN
39142	2989	2	these	these	DT
39142	2989	3	distances	distance	NNS
39142	2989	4	can	can	MD
39142	2989	5	never	never	RB
39142	2989	6	be	be	VB
39142	2989	7	verified	verify	VBN
39142	2989	8	by	by	IN
39142	2989	9	direct	direct	JJ
39142	2989	10	measurement	measurement	NN
39142	2989	11	,	,	,
39142	2989	12	it	-PRON-	PRP
39142	2989	13	lends	lend	VBZ
39142	2989	14	great	great	JJ
39142	2989	15	weight	weight	NN
39142	2989	16	to	to	IN
39142	2989	17	the	the	DT
39142	2989	18	three	three	CD
39142	2989	19	methods	method	NNS
39142	2989	20	of	of	IN
39142	2989	21	indirect	indirect	JJ
39142	2989	22	measurement	measurement	NN
39142	2989	23	,	,	,
39142	2989	24	or	or	CC
39142	2989	25	estimation	estimation	NN
39142	2989	26	,	,	,
39142	2989	27	(	(	-LRB-
39142	2989	28	1	1	LS
39142	2989	29	)	)	-RRB-
39142	2989	30	from	from	IN
39142	2989	31	the	the	DT
39142	2989	32	diameter	diameter	NN
39142	2989	33	of	of	IN
39142	2989	34	the	the	DT
39142	2989	35	image	image	NN
39142	2989	36	of	of	IN
39142	2989	37	the	the	DT
39142	2989	38	clusters	cluster	NNS
39142	2989	39	,	,	,
39142	2989	40	(	(	-LRB-
39142	2989	41	2	2	LS
39142	2989	42	)	)	-RRB-
39142	2989	43	from	from	IN
39142	2989	44	the	the	DT
39142	2989	45	mean	mean	JJ
39142	2989	46	magnitude	magnitude	NN
39142	2989	47	of	of	IN
39142	2989	48	the	the	DT
39142	2989	49	twenty	twenty	CD
39142	2989	50	-	-	HYPH
39142	2989	51	five	five	CD
39142	2989	52	brightest	bright	JJS
39142	2989	53	stars	star	NNS
39142	2989	54	,	,	,
39142	2989	55	and	and	CC
39142	2989	56	(	(	-LRB-
39142	2989	57	3	3	LS
39142	2989	58	)	)	-RRB-
39142	2989	59	from	from	IN
39142	2989	60	the	the	DT
39142	2989	61	mean	mean	JJ
39142	2989	62	magnitude	magnitude	NN
39142	2989	63	of	of	IN
39142	2989	64	the	the	DT
39142	2989	65	short	short	JJ
39142	2989	66	period	period	NN
39142	2989	67	variables	variable	NNS
39142	2989	68	,	,	,
39142	2989	69	that	that	IN
39142	2989	70	they	-PRON-	PRP
39142	2989	71	are	be	VBP
39142	2989	72	in	in	IN
39142	2989	73	excellent	excellent	JJ
39142	2989	74	agreement	agreement	NN
39142	2989	75	.	.	.
39142	2990	1	CHAPTER	CHAPTER	NNP
39142	2990	2	LV	LV	NNP
39142	2990	3	MOVING	move	VBG
39142	2990	4	CLUSTERS	cluster	NNS
39142	2990	5	Recent	recent	JJ
39142	2990	6	researches	research	NNS
39142	2990	7	on	on	IN
39142	2990	8	the	the	DT
39142	2990	9	proper	proper	JJ
39142	2990	10	motions	motion	NNS
39142	2990	11	of	of	IN
39142	2990	12	stars	star	NNS
39142	2990	13	have	have	VBP
39142	2990	14	brought	bring	VBN
39142	2990	15	to	to	TO
39142	2990	16	light	light	VB
39142	2990	17	many	many	JJ
39142	2990	18	groups	group	NNS
39142	2990	19	of	of	IN
39142	2990	20	stars	star	NNS
39142	2990	21	whose	whose	WP$
39142	2990	22	individual	individual	JJ
39142	2990	23	members	member	NNS
39142	2990	24	have	have	VBP
39142	2990	25	equal	equal	JJ
39142	2990	26	and	and	CC
39142	2990	27	parallel	parallel	JJ
39142	2990	28	velocities	velocity	NNS
39142	2990	29	.	.	.
39142	2991	1	Eddington	Eddington	NNP
39142	2991	2	calls	call	VBZ
39142	2991	3	these	these	DT
39142	2991	4	moving	move	VBG
39142	2991	5	clusters	cluster	NNS
39142	2991	6	.	.	.
39142	2992	1	The	the	DT
39142	2992	2	component	component	NN
39142	2992	3	stars	star	NNS
39142	2992	4	are	be	VBP
39142	2992	5	not	not	RB
39142	2992	6	exceptionally	exceptionally	RB
39142	2992	7	near	near	JJ
39142	2992	8	to	to	IN
39142	2992	9	each	each	DT
39142	2992	10	other	other	JJ
39142	2992	11	,	,	,
39142	2992	12	and	and	CC
39142	2992	13	it	-PRON-	PRP
39142	2992	14	often	often	RB
39142	2992	15	happens	happen	VBZ
39142	2992	16	that	that	IN
39142	2992	17	other	other	JJ
39142	2992	18	stars	star	NNS
39142	2992	19	not	not	RB
39142	2992	20	belonging	belong	VBG
39142	2992	21	to	to	IN
39142	2992	22	the	the	DT
39142	2992	23	group	group	NN
39142	2992	24	are	be	VBP
39142	2992	25	actually	actually	RB
39142	2992	26	interspersed	intersperse	VBN
39142	2992	27	among	among	IN
39142	2992	28	them	-PRON-	PRP
39142	2992	29	.	.	.
39142	2993	1	They	-PRON-	PRP
39142	2993	2	may	may	MD
39142	2993	3	be	be	VB
39142	2993	4	likened	liken	VBN
39142	2993	5	to	to	TO
39142	2993	6	double	double	JJ
39142	2993	7	stars	star	NNS
39142	2993	8	which	which	WDT
39142	2993	9	are	be	VBP
39142	2993	10	permanent	permanent	JJ
39142	2993	11	neighbors	neighbor	NNS
39142	2993	12	,	,	,
39142	2993	13	with	with	IN
39142	2993	14	some	some	DT
39142	2993	15	orbital	orbital	JJ
39142	2993	16	motion	motion	NN
39142	2993	17	,	,	,
39142	2993	18	though	though	IN
39142	2993	19	exceedingly	exceedingly	RB
39142	2993	20	slow	slow	JJ
39142	2993	21	.	.	.
39142	2994	1	The	the	DT
39142	2994	2	connection	connection	NN
39142	2994	3	is	be	VBZ
39142	2994	4	rather	rather	RB
39142	2994	5	one	one	CD
39142	2994	6	of	of	IN
39142	2994	7	origin	origin	NN
39142	2994	8	;	;	,
39142	2994	9	occurring	occur	VBG
39142	2994	10	in	in	IN
39142	2994	11	the	the	DT
39142	2994	12	same	same	JJ
39142	2994	13	region	region	NN
39142	2994	14	of	of	IN
39142	2994	15	space	space	NN
39142	2994	16	,	,	,
39142	2994	17	perhaps	perhaps	RB
39142	2994	18	,	,	,
39142	2994	19	from	from	IN
39142	2994	20	a	a	DT
39142	2994	21	single	single	JJ
39142	2994	22	nebula	nebula	NN
39142	2994	23	.	.	.
39142	2995	1	They	-PRON-	PRP
39142	2995	2	set	set	VBD
39142	2995	3	out	out	RP
39142	2995	4	with	with	IN
39142	2995	5	the	the	DT
39142	2995	6	same	same	JJ
39142	2995	7	motion	motion	NN
39142	2995	8	,	,	,
39142	2995	9	and	and	CC
39142	2995	10	have	have	VBP
39142	2995	11	"	"	``
39142	2995	12	shared	share	VBN
39142	2995	13	all	all	PDT
39142	2995	14	the	the	DT
39142	2995	15	accidents	accident	NNS
39142	2995	16	of	of	IN
39142	2995	17	the	the	DT
39142	2995	18	journey	journey	NN
39142	2995	19	together	together	RB
39142	2995	20	.	.	.
39142	2995	21	"	"	''
39142	2996	1	Their	-PRON-	PRP$
39142	2996	2	equality	equality	NN
39142	2996	3	of	of	IN
39142	2996	4	motion	motion	NN
39142	2996	5	is	be	VBZ
39142	2996	6	intact	intact	JJ
39142	2996	7	because	because	IN
39142	2996	8	any	any	DT
39142	2996	9	possible	possible	JJ
39142	2996	10	deflections	deflection	NNS
39142	2996	11	by	by	IN
39142	2996	12	the	the	DT
39142	2996	13	gravitative	gravitative	JJ
39142	2996	14	pull	pull	NN
39142	2996	15	of	of	IN
39142	2996	16	the	the	DT
39142	2996	17	stellar	stellar	JJ
39142	2996	18	system	system	NN
39142	2996	19	is	be	VBZ
39142	2996	20	the	the	DT
39142	2996	21	same	same	JJ
39142	2996	22	for	for	IN
39142	2996	23	both	both	DT
39142	2996	24	.	.	.
39142	2997	1	Mutual	mutual	JJ
39142	2997	2	attraction	attraction	NN
39142	2997	3	may	may	MD
39142	2997	4	tend	tend	VB
39142	2997	5	to	to	TO
39142	2997	6	keep	keep	VB
39142	2997	7	the	the	DT
39142	2997	8	stars	star	NNS
39142	2997	9	together	together	RB
39142	2997	10	,	,	,
39142	2997	11	but	but	CC
39142	2997	12	their	-PRON-	PRP$
39142	2997	13	community	community	NN
39142	2997	14	of	of	IN
39142	2997	15	motion	motion	NN
39142	2997	16	persists	persist	VBZ
39142	2997	17	chiefly	chiefly	RB
39142	2997	18	because	because	IN
39142	2997	19	no	no	DT
39142	2997	20	forces	force	NNS
39142	2997	21	tend	tend	VBP
39142	2997	22	to	to	TO
39142	2997	23	interfere	interfere	VB
39142	2997	24	with	with	IN
39142	2997	25	it	-PRON-	PRP
39142	2997	26	.	.	.
39142	2998	1	In	in	IN
39142	2998	2	this	this	DT
39142	2998	3	way	way	NN
39142	2998	4	physically	physically	RB
39142	2998	5	connected	connect	VBN
39142	2998	6	pairs	pair	NNS
39142	2998	7	may	may	MD
39142	2998	8	be	be	VB
39142	2998	9	separated	separate	VBN
39142	2998	10	by	by	IN
39142	2998	11	very	very	RB
39142	2998	12	great	great	JJ
39142	2998	13	distances	distance	NNS
39142	2998	14	.	.	.
39142	2999	1	So	so	RB
39142	2999	2	with	with	IN
39142	2999	3	the	the	DT
39142	2999	4	moving	move	VBG
39142	2999	5	clusters	cluster	NNS
39142	2999	6	:	:	:
39142	2999	7	their	-PRON-	PRP$
39142	2999	8	component	component	NN
39142	2999	9	stars	star	NNS
39142	2999	10	may	may	MD
39142	2999	11	be	be	VB
39142	2999	12	widely	widely	RB
39142	2999	13	separate	separate	JJ
39142	2999	14	on	on	IN
39142	2999	15	the	the	DT
39142	2999	16	celestial	celestial	JJ
39142	2999	17	sphere	sphere	NN
39142	2999	18	,	,	,
39142	2999	19	but	but	CC
39142	2999	20	equality	equality	NN
39142	2999	21	of	of	IN
39142	2999	22	their	-PRON-	PRP$
39142	2999	23	motions	motion	NNS
39142	2999	24	affords	afford	VBZ
39142	2999	25	a	a	DT
39142	2999	26	clue	clue	NN
39142	2999	27	to	to	IN
39142	2999	28	their	-PRON-	PRP$
39142	2999	29	association	association	NN
39142	2999	30	in	in	IN
39142	2999	31	groups	group	NNS
39142	2999	32	.	.	.
39142	3000	1	The	the	DT
39142	3000	2	Hyades	Hyades	NNP
39142	3000	3	,	,	,
39142	3000	4	a	a	DT
39142	3000	5	loose	loose	JJ
39142	3000	6	cluster	cluster	NN
39142	3000	7	in	in	IN
39142	3000	8	Taurus	Taurus	NNP
39142	3000	9	,	,	,
39142	3000	10	is	be	VBZ
39142	3000	11	a	a	DT
39142	3000	12	group	group	NN
39142	3000	13	of	of	IN
39142	3000	14	thirty	thirty	CD
39142	3000	15	-	-	HYPH
39142	3000	16	nine	nine	CD
39142	3000	17	stars	star	NNS
39142	3000	18	,	,	,
39142	3000	19	within	within	IN
39142	3000	20	an	an	DT
39142	3000	21	area	area	NN
39142	3000	22	of	of	IN
39142	3000	23	about	about	RB
39142	3000	24	15	15	CD
39142	3000	25	degrees	degree	NNS
39142	3000	26	square	square	JJ
39142	3000	27	,	,	,
39142	3000	28	which	which	WDT
39142	3000	29	has	have	VBZ
39142	3000	30	been	be	VBN
39142	3000	31	pretty	pretty	RB
39142	3000	32	fully	fully	RB
39142	3000	33	investigated	investigate	VBN
39142	3000	34	,	,	,
39142	3000	35	especially	especially	RB
39142	3000	36	by	by	IN
39142	3000	37	the	the	DT
39142	3000	38	late	late	JJ
39142	3000	39	Professor	Professor	NNP
39142	3000	40	Lewis	Lewis	NNP
39142	3000	41	Boss	Boss	NNP
39142	3000	42	;	;	:
39142	3000	43	and	and	CC
39142	3000	44	no	no	RB
39142	3000	45	doubt	doubt	RB
39142	3000	46	many	many	JJ
39142	3000	47	fainter	fainter	NN
39142	3000	48	stars	star	NNS
39142	3000	49	in	in	IN
39142	3000	50	the	the	DT
39142	3000	51	same	same	JJ
39142	3000	52	region	region	NN
39142	3000	53	will	will	MD
39142	3000	54	ultimately	ultimately	RB
39142	3000	55	be	be	VB
39142	3000	56	found	find	VBN
39142	3000	57	to	to	TO
39142	3000	58	belong	belong	VB
39142	3000	59	to	to	IN
39142	3000	60	the	the	DT
39142	3000	61	same	same	JJ
39142	3000	62	group	group	NN
39142	3000	63	.	.	.
39142	3001	1	If	if	IN
39142	3001	2	we	-PRON-	PRP
39142	3001	3	draw	draw	VBP
39142	3001	4	arrows	arrow	NNS
39142	3001	5	on	on	IN
39142	3001	6	a	a	DT
39142	3001	7	chart	chart	NN
39142	3001	8	representing	represent	VBG
39142	3001	9	the	the	DT
39142	3001	10	amount	amount	NN
39142	3001	11	and	and	CC
39142	3001	12	direction	direction	NN
39142	3001	13	of	of	IN
39142	3001	14	the	the	DT
39142	3001	15	proper	proper	JJ
39142	3001	16	motions	motion	NNS
39142	3001	17	of	of	IN
39142	3001	18	these	these	DT
39142	3001	19	stars	star	NNS
39142	3001	20	,	,	,
39142	3001	21	these	these	DT
39142	3001	22	arrows	arrow	NNS
39142	3001	23	must	must	MD
39142	3001	24	all	all	DT
39142	3001	25	converge	converge	VB
39142	3001	26	toward	toward	IN
39142	3001	27	a	a	DT
39142	3001	28	point	point	NN
39142	3001	29	.	.	.
39142	3002	1	This	this	DT
39142	3002	2	shows	show	VBZ
39142	3002	3	that	that	IN
39142	3002	4	their	-PRON-	PRP$
39142	3002	5	motions	motion	NNS
39142	3002	6	are	be	VBP
39142	3002	7	parallel	parallel	JJ
39142	3002	8	in	in	IN
39142	3002	9	space	space	NN
39142	3002	10	.	.	.
39142	3003	1	It	-PRON-	PRP
39142	3003	2	is	be	VBZ
39142	3003	3	a	a	DT
39142	3003	4	relatively	relatively	RB
39142	3003	5	compact	compact	JJ
39142	3003	6	group	group	NN
39142	3003	7	,	,	,
39142	3003	8	and	and	CC
39142	3003	9	the	the	DT
39142	3003	10	close	close	JJ
39142	3003	11	convergence	convergence	NN
39142	3003	12	shows	show	VBZ
39142	3003	13	that	that	IN
39142	3003	14	their	-PRON-	PRP$
39142	3003	15	individual	individual	JJ
39142	3003	16	velocities	velocity	NNS
39142	3003	17	must	must	MD
39142	3003	18	agree	agree	VB
39142	3003	19	within	within	IN
39142	3003	20	a	a	DT
39142	3003	21	small	small	JJ
39142	3003	22	fraction	fraction	NN
39142	3003	23	of	of	IN
39142	3003	24	a	a	DT
39142	3003	25	kilometer	kilometer	NN
39142	3003	26	per	per	IN
39142	3003	27	second	second	NN
39142	3003	28	.	.	.
39142	3004	1	Radial	radial	JJ
39142	3004	2	velocity	velocity	NN
39142	3004	3	measures	measure	NNS
39142	3004	4	of	of	IN
39142	3004	5	six	six	CD
39142	3004	6	of	of	IN
39142	3004	7	the	the	DT
39142	3004	8	component	component	NN
39142	3004	9	stars	star	NNS
39142	3004	10	are	be	VBP
39142	3004	11	in	in	IN
39142	3004	12	very	very	RB
39142	3004	13	satisfactory	satisfactory	JJ
39142	3004	14	accord	accord	NN
39142	3004	15	,	,	,
39142	3004	16	giving	give	VBG
39142	3004	17	45.6	45.6	CD
39142	3004	18	kilometers	kilometer	NNS
39142	3004	19	per	per	IN
39142	3004	20	second	second	NN
39142	3004	21	for	for	IN
39142	3004	22	the	the	DT
39142	3004	23	entire	entire	JJ
39142	3004	24	group	group	NN
39142	3004	25	.	.	.
39142	3005	1	We	-PRON-	PRP
39142	3005	2	can	can	MD
39142	3005	3	get	get	VB
39142	3005	4	the	the	DT
39142	3005	5	transverse	transverse	JJ
39142	3005	6	velocity	velocity	NN
39142	3005	7	,	,	,
39142	3005	8	and	and	CC
39142	3005	9	therefrom	therefrom	VB
39142	3005	10	the	the	DT
39142	3005	11	distances	distance	NNS
39142	3005	12	of	of	IN
39142	3005	13	the	the	DT
39142	3005	14	stars	star	NNS
39142	3005	15	,	,	,
39142	3005	16	which	which	WDT
39142	3005	17	are	be	VBP
39142	3005	18	among	among	IN
39142	3005	19	the	the	DT
39142	3005	20	best	well	RBS
39142	3005	21	known	know	VBN
39142	3005	22	in	in	IN
39142	3005	23	the	the	DT
39142	3005	24	heavens	heavens	NNPS
39142	3005	25	,	,	,
39142	3005	26	because	because	IN
39142	3005	27	the	the	DT
39142	3005	28	proper	proper	JJ
39142	3005	29	motions	motion	NNS
39142	3005	30	are	be	VBP
39142	3005	31	very	very	RB
39142	3005	32	accurately	accurately	RB
39142	3005	33	known	know	VBN
39142	3005	34	.	.	.
39142	3006	1	The	the	DT
39142	3006	2	mean	mean	JJ
39142	3006	3	parallax	parallax	NN
39142	3006	4	of	of	IN
39142	3006	5	the	the	DT
39142	3006	6	group	group	NN
39142	3006	7	by	by	IN
39142	3006	8	this	this	DT
39142	3006	9	indirect	indirect	JJ
39142	3006	10	method	method	NN
39142	3006	11	comes	come	VBZ
39142	3006	12	out	out	RP
39142	3006	13	0".025	0".025	NNP
39142	3006	14	,	,	,
39142	3006	15	agreeing	agree	VBG
39142	3006	16	almost	almost	RB
39142	3006	17	exactly	exactly	RB
39142	3006	18	with	with	IN
39142	3006	19	the	the	DT
39142	3006	20	direct	direct	JJ
39142	3006	21	determination	determination	NN
39142	3006	22	by	by	IN
39142	3006	23	photography	photography	NN
39142	3006	24	,	,	,
39142	3006	25	0".023	0".023	NNP
39142	3006	26	,	,	,
39142	3006	27	by	by	IN
39142	3006	28	Kapteyn	Kapteyn	NNP
39142	3006	29	,	,	,
39142	3006	30	De	De	NNP
39142	3006	31	Sitter	Sitter	NNP
39142	3006	32	,	,	,
39142	3006	33	and	and	CC
39142	3006	34	others	other	NNS
39142	3006	35	.	.	.
39142	3007	1	Eddington	Eddington	NNP
39142	3007	2	concludes	conclude	VBZ
39142	3007	3	that	that	IN
39142	3007	4	this	this	DT
39142	3007	5	Taurus	Taurus	NNP
39142	3007	6	group	group	NN
39142	3007	7	is	be	VBZ
39142	3007	8	a	a	DT
39142	3007	9	globular	globular	JJ
39142	3007	10	cluster	cluster	NN
39142	3007	11	with	with	IN
39142	3007	12	a	a	DT
39142	3007	13	slight	slight	JJ
39142	3007	14	central	central	JJ
39142	3007	15	condensation	condensation	NN
39142	3007	16	.	.	.
39142	3008	1	Its	-PRON-	PRP$
39142	3008	2	entire	entire	JJ
39142	3008	3	diameter	diameter	NN
39142	3008	4	is	be	VBZ
39142	3008	5	about	about	RB
39142	3008	6	ten	ten	CD
39142	3008	7	parsecs	parsecs	NN
39142	3008	8	,	,	,
39142	3008	9	and	and	CC
39142	3008	10	its	-PRON-	PRP$
39142	3008	11	known	know	VBN
39142	3008	12	motion	motion	NN
39142	3008	13	enables	enable	VBZ
39142	3008	14	us	-PRON-	PRP
39142	3008	15	to	to	TO
39142	3008	16	trace	trace	VB
39142	3008	17	its	-PRON-	PRP$
39142	3008	18	past	past	NN
39142	3008	19	and	and	CC
39142	3008	20	future	future	JJ
39142	3008	21	history	history	NN
39142	3008	22	.	.	.
39142	3009	1	It	-PRON-	PRP
39142	3009	2	was	be	VBD
39142	3009	3	nearest	near	JJS
39142	3009	4	the	the	DT
39142	3009	5	sun	sun	NN
39142	3009	6	800,000	800,000	CD
39142	3009	7	years	year	NNS
39142	3009	8	ago	ago	RB
39142	3009	9	,	,	,
39142	3009	10	when	when	WRB
39142	3009	11	it	-PRON-	PRP
39142	3009	12	was	be	VBD
39142	3009	13	at	at	IN
39142	3009	14	about	about	IN
39142	3009	15	half	half	PDT
39142	3009	16	its	-PRON-	PRP$
39142	3009	17	present	present	JJ
39142	3009	18	distance	distance	NN
39142	3009	19	.	.	.
39142	3010	1	Boss	boss	NN
39142	3010	2	calculated	calculate	VBD
39142	3010	3	that	that	IN
39142	3010	4	in	in	IN
39142	3010	5	65	65	CD
39142	3010	6	million	million	CD
39142	3010	7	years	year	NNS
39142	3010	8	,	,	,
39142	3010	9	if	if	IN
39142	3010	10	the	the	DT
39142	3010	11	present	present	JJ
39142	3010	12	motion	motion	NN
39142	3010	13	is	be	VBZ
39142	3010	14	maintained	maintain	VBN
39142	3010	15	,	,	,
39142	3010	16	this	this	DT
39142	3010	17	group	group	NN
39142	3010	18	will	will	MD
39142	3010	19	have	have	VB
39142	3010	20	receded	recede	VBN
39142	3010	21	so	so	RB
39142	3010	22	far	far	RB
39142	3010	23	as	as	IN
39142	3010	24	to	to	TO
39142	3010	25	appear	appear	VB
39142	3010	26	like	like	IN
39142	3010	27	an	an	DT
39142	3010	28	ordinary	ordinary	JJ
39142	3010	29	globular	globular	JJ
39142	3010	30	cluster	cluster	NN
39142	3010	31	20	20	CD
39142	3010	32	'	'	``
39142	3010	33	in	in	IN
39142	3010	34	diameter	diameter	NN
39142	3010	35	,	,	,
39142	3010	36	its	-PRON-	PRP$
39142	3010	37	stars	star	NNS
39142	3010	38	ranging	range	VBG
39142	3010	39	from	from	IN
39142	3010	40	the	the	DT
39142	3010	41	ninth	ninth	JJ
39142	3010	42	to	to	IN
39142	3010	43	the	the	DT
39142	3010	44	twelfth	twelfth	JJ
39142	3010	45	apparent	apparent	JJ
39142	3010	46	magnitude	magnitude	NN
39142	3010	47	.	.	.
39142	3011	1	We	-PRON-	PRP
39142	3011	2	may	may	MD
39142	3011	3	infer	infer	VB
39142	3011	4	that	that	IN
39142	3011	5	the	the	DT
39142	3011	6	motion	motion	NN
39142	3011	7	will	will	MD
39142	3011	8	likely	likely	RB
39142	3011	9	continue	continue	VB
39142	3011	10	undisturbed	undisturbed	JJ
39142	3011	11	,	,	,
39142	3011	12	because	because	IN
39142	3011	13	there	there	EX
39142	3011	14	are	be	VBP
39142	3011	15	interspersed	intersperse	VBN
39142	3011	16	among	among	IN
39142	3011	17	the	the	DT
39142	3011	18	group	group	NN
39142	3011	19	many	many	JJ
39142	3011	20	stars	star	NNS
39142	3011	21	not	not	RB
39142	3011	22	belonging	belong	VBG
39142	3011	23	to	to	IN
39142	3011	24	it	-PRON-	PRP
39142	3011	25	,	,	,
39142	3011	26	and	and	CC
39142	3011	27	these	these	DT
39142	3011	28	have	have	VBP
39142	3011	29	neither	neither	CC
39142	3011	30	scattered	scatter	VBN
39142	3011	31	its	-PRON-	PRP$
39142	3011	32	members	member	NNS
39142	3011	33	nor	nor	CC
39142	3011	34	sensibly	sensibly	RB
39142	3011	35	interfered	interfere	VBN
39142	3011	36	with	with	IN
39142	3011	37	the	the	DT
39142	3011	38	parallelism	parallelism	NN
39142	3011	39	of	of	IN
39142	3011	40	their	-PRON-	PRP$
39142	3011	41	motion	motion	NN
39142	3011	42	.	.	.
39142	3012	1	Another	another	DT
39142	3012	2	moving	move	VBG
39142	3012	3	cluster	cluster	NN
39142	3012	4	,	,	,
39142	3012	5	the	the	DT
39142	3012	6	similarity	similarity	NN
39142	3012	7	of	of	IN
39142	3012	8	proper	proper	JJ
39142	3012	9	motion	motion	NN
39142	3012	10	of	of	IN
39142	3012	11	whose	whose	WP$
39142	3012	12	component	component	NN
39142	3012	13	stars	star	NNS
39142	3012	14	was	be	VBD
39142	3012	15	first	first	RB
39142	3012	16	pointed	point	VBN
39142	3012	17	out	out	RP
39142	3012	18	by	by	IN
39142	3012	19	Proctor	proctor	NN
39142	3012	20	,	,	,
39142	3012	21	is	be	VBZ
39142	3012	22	known	know	VBN
39142	3012	23	as	as	IN
39142	3012	24	the	the	DT
39142	3012	25	Ursa	Ursa	NNP
39142	3012	26	Major	Major	NNP
39142	3012	27	system	system	NN
39142	3012	28	,	,	,
39142	3012	29	which	which	WDT
39142	3012	30	embraces	embrace	VBZ
39142	3012	31	primarily	primarily	RB
39142	3012	32	Beta	Beta	NNP
39142	3012	33	,	,	,
39142	3012	34	Gamma	Gamma	NNP
39142	3012	35	,	,	,
39142	3012	36	Delta	Delta	NNP
39142	3012	37	,	,	,
39142	3012	38	Epsilon	Epsilon	NNP
39142	3012	39	,	,	,
39142	3012	40	and	and	CC
39142	3012	41	Zeta	Zeta	NNP
39142	3012	42	Ursæ	Ursæ	NNP
39142	3012	43	Majoris	Majoris	NNP
39142	3012	44	,	,	,
39142	3012	45	or	or	CC
39142	3012	46	five	five	CD
39142	3012	47	of	of	IN
39142	3012	48	the	the	DT
39142	3012	49	seven	seven	CD
39142	3012	50	stars	star	NNS
39142	3012	51	that	that	WDT
39142	3012	52	mark	mark	VBP
39142	3012	53	the	the	DT
39142	3012	54	familiar	familiar	JJ
39142	3012	55	Dipper	Dipper	NNP
39142	3012	56	.	.	.
39142	3013	1	But	but	CC
39142	3013	2	as	as	RB
39142	3013	3	many	many	JJ
39142	3013	4	as	as	IN
39142	3013	5	eight	eight	CD
39142	3013	6	other	other	JJ
39142	3013	7	stars	star	NNS
39142	3013	8	widely	widely	RB
39142	3013	9	scattered	scatter	VBN
39142	3013	10	are	be	VBP
39142	3013	11	thought	think	VBN
39142	3013	12	to	to	TO
39142	3013	13	belong	belong	VB
39142	3013	14	to	to	IN
39142	3013	15	the	the	DT
39142	3013	16	same	same	JJ
39142	3013	17	system	system	NN
39142	3013	18	,	,	,
39142	3013	19	including	include	VBG
39142	3013	20	Sirius	Sirius	NNP
39142	3013	21	and	and	CC
39142	3013	22	Alpha	Alpha	NNP
39142	3013	23	Coronæ	Coronæ	NNP
39142	3013	24	Borealis	Borealis	NNP
39142	3013	25	.	.	.
39142	3014	1	The	the	DT
39142	3014	2	absolute	absolute	JJ
39142	3014	3	motion	motion	NN
39142	3014	4	amounts	amount	VBZ
39142	3014	5	to	to	IN
39142	3014	6	28.8	28.8	CD
39142	3014	7	kilometers	kilometer	NNS
39142	3014	8	per	per	IN
39142	3014	9	second	second	NN
39142	3014	10	,	,	,
39142	3014	11	and	and	CC
39142	3014	12	is	be	VBZ
39142	3014	13	approximately	approximately	RB
39142	3014	14	parallel	parallel	JJ
39142	3014	15	to	to	IN
39142	3014	16	the	the	DT
39142	3014	17	Galaxy	Galaxy	NNP
39142	3014	18	.	.	.
39142	3015	1	Turner	Turner	NNP
39142	3015	2	has	have	VBZ
39142	3015	3	made	make	VBN
39142	3015	4	a	a	DT
39142	3015	5	model	model	NN
39142	3015	6	of	of	IN
39142	3015	7	the	the	DT
39142	3015	8	cluster	cluster	NN
39142	3015	9	,	,	,
39142	3015	10	which	which	WDT
39142	3015	11	has	have	VBZ
39142	3015	12	the	the	DT
39142	3015	13	form	form	NN
39142	3015	14	of	of	IN
39142	3015	15	a	a	DT
39142	3015	16	flat	flat	JJ
39142	3015	17	disk	disk	NN
39142	3015	18	.	.	.
39142	3016	1	Among	among	IN
39142	3016	2	stars	star	NNS
39142	3016	3	of	of	IN
39142	3016	4	the	the	DT
39142	3016	5	Orion	Orion	NNP
39142	3016	6	type	type	NN
39142	3016	7	of	of	IN
39142	3016	8	spectrum	spectrum	NN
39142	3016	9	are	be	VBP
39142	3016	10	several	several	JJ
39142	3016	11	examples	example	NNS
39142	3016	12	of	of	IN
39142	3016	13	moving	move	VBG
39142	3016	14	clusters	cluster	NNS
39142	3016	15	.	.	.
39142	3017	1	The	the	DT
39142	3017	2	Pleiades	pleiade	NNS
39142	3017	3	together	together	RB
39142	3017	4	with	with	IN
39142	3017	5	many	many	JJ
39142	3017	6	fainter	fainter	NN
39142	3017	7	stars	star	NNS
39142	3017	8	form	form	VBP
39142	3017	9	another	another	DT
39142	3017	10	moving	move	VBG
39142	3017	11	cluster	cluster	NN
39142	3017	12	;	;	:
39142	3017	13	as	as	RB
39142	3017	14	also	also	RB
39142	3017	15	do	do	VBP
39142	3017	16	the	the	DT
39142	3017	17	brighter	bright	JJR
39142	3017	18	stars	star	NNS
39142	3017	19	of	of	IN
39142	3017	20	Orion	orion	NN
39142	3017	21	,	,	,
39142	3017	22	together	together	RB
39142	3017	23	with	with	IN
39142	3017	24	the	the	DT
39142	3017	25	faint	faint	JJ
39142	3017	26	cloudlike	cloudlike	NN
39142	3017	27	extensions	extension	NNS
39142	3017	28	of	of	IN
39142	3017	29	the	the	DT
39142	3017	30	great	great	JJ
39142	3017	31	nebula	nebula	NN
39142	3017	32	in	in	IN
39142	3017	33	Orion	Orion	NNP
39142	3017	34	,	,	,
39142	3017	35	whose	whose	WP$
39142	3017	36	radial	radial	JJ
39142	3017	37	velocity	velocity	NN
39142	3017	38	agrees	agree	VBZ
39142	3017	39	with	with	IN
39142	3017	40	that	that	DT
39142	3017	41	of	of	IN
39142	3017	42	the	the	DT
39142	3017	43	stars	star	NNS
39142	3017	44	in	in	IN
39142	3017	45	the	the	DT
39142	3017	46	constellation	constellation	NN
39142	3017	47	.	.	.
39142	3018	1	Still	still	RB
39142	3018	2	another	another	DT
39142	3018	3	very	very	RB
39142	3018	4	remarkable	remarkable	JJ
39142	3018	5	moving	move	VBG
39142	3018	6	cluster	cluster	NN
39142	3018	7	is	be	VBZ
39142	3018	8	in	in	IN
39142	3018	9	Perseus	Perseus	NNP
39142	3018	10	,	,	,
39142	3018	11	first	first	RB
39142	3018	12	detected	detect	VBN
39142	3018	13	by	by	IN
39142	3018	14	Eddington	Eddington	NNP
39142	3018	15	,	,	,
39142	3018	16	and	and	CC
39142	3018	17	embracing	embrace	VBG
39142	3018	18	eighteen	eighteen	CD
39142	3018	19	stars	star	NNS
39142	3018	20	,	,	,
39142	3018	21	the	the	DT
39142	3018	22	brightest	bright	JJS
39142	3018	23	of	of	IN
39142	3018	24	which	which	WDT
39142	3018	25	is	be	VBZ
39142	3018	26	Alpha	Alpha	NNP
39142	3018	27	Persei	Persei	NNP
39142	3018	28	.	.	.
39142	3019	1	The	the	DT
39142	3019	2	further	further	JJ
39142	3019	3	discovery	discovery	NN
39142	3019	4	of	of	IN
39142	3019	5	moving	move	VBG
39142	3019	6	clusters	cluster	NNS
39142	3019	7	is	be	VBZ
39142	3019	8	most	most	RBS
39142	3019	9	important	important	JJ
39142	3019	10	in	in	IN
39142	3019	11	the	the	DT
39142	3019	12	future	future	JJ
39142	3019	13	development	development	NN
39142	3019	14	of	of	IN
39142	3019	15	stellar	stellar	JJ
39142	3019	16	astronomy	astronomy	NN
39142	3019	17	,	,	,
39142	3019	18	because	because	IN
39142	3019	19	with	with	IN
39142	3019	20	their	-PRON-	PRP$
39142	3019	21	aid	aid	NN
39142	3019	22	we	-PRON-	PRP
39142	3019	23	can	can	MD
39142	3019	24	find	find	VB
39142	3019	25	out	out	RP
39142	3019	26	the	the	DT
39142	3019	27	relative	relative	JJ
39142	3019	28	distribution	distribution	NN
39142	3019	29	,	,	,
39142	3019	30	luminosity	luminosity	NN
39142	3019	31	,	,	,
39142	3019	32	and	and	CC
39142	3019	33	distance	distance	NN
39142	3019	34	of	of	IN
39142	3019	35	very	very	RB
39142	3019	36	remote	remote	JJ
39142	3019	37	stars	star	NNS
39142	3019	38	.	.	.
39142	3020	1	So	so	RB
39142	3020	2	far	far	RB
39142	3020	3	the	the	DT
39142	3020	4	stars	star	NNS
39142	3020	5	found	find	VBD
39142	3020	6	associated	associate	VBN
39142	3020	7	in	in	IN
39142	3020	8	groups	group	NNS
39142	3020	9	are	be	VBP
39142	3020	10	of	of	IN
39142	3020	11	early	early	JJ
39142	3020	12	types	type	NNS
39142	3020	13	of	of	IN
39142	3020	14	spectrum	spectrum	NN
39142	3020	15	;	;	:
39142	3020	16	but	but	CC
39142	3020	17	the	the	DT
39142	3020	18	Taurus	Taurus	NNP
39142	3020	19	cluster	cluster	NN
39142	3020	20	embraces	embrace	VBZ
39142	3020	21	several	several	JJ
39142	3020	22	members	member	NNS
39142	3020	23	equally	equally	RB
39142	3020	24	advanced	advanced	JJ
39142	3020	25	in	in	IN
39142	3020	26	evolution	evolution	NN
39142	3020	27	with	with	IN
39142	3020	28	the	the	DT
39142	3020	29	sun	sun	NN
39142	3020	30	,	,	,
39142	3020	31	and	and	CC
39142	3020	32	in	in	IN
39142	3020	33	the	the	DT
39142	3020	34	more	more	RBR
39142	3020	35	scattered	scattered	JJ
39142	3020	36	system	system	NN
39142	3020	37	of	of	IN
39142	3020	38	Ursæ	Ursæ	NNP
39142	3020	39	Major	Major	NNP
39142	3020	40	there	there	EX
39142	3020	41	are	be	VBP
39142	3020	42	three	three	CD
39142	3020	43	stars	star	NNS
39142	3020	44	of	of	IN
39142	3020	45	Type	type	NN
39142	3020	46	F.	F.	NNP
39142	3020	47	"	"	``
39142	3020	48	Some	some	DT
39142	3020	49	of	of	IN
39142	3020	50	these	these	DT
39142	3020	51	systems	system	NNS
39142	3020	52	,	,	,
39142	3020	53	"	"	''
39142	3020	54	Eddington	Eddington	NNP
39142	3020	55	concludes	conclude	VBZ
39142	3020	56	,	,	,
39142	3020	57	"	"	``
39142	3020	58	would	would	MD
39142	3020	59	thus	thus	RB
39142	3020	60	appear	appear	VB
39142	3020	61	to	to	TO
39142	3020	62	have	have	VB
39142	3020	63	existed	exist	VBN
39142	3020	64	for	for	IN
39142	3020	65	a	a	DT
39142	3020	66	time	time	NN
39142	3020	67	comparable	comparable	JJ
39142	3020	68	with	with	IN
39142	3020	69	the	the	DT
39142	3020	70	lifetime	lifetime	NN
39142	3020	71	of	of	IN
39142	3020	72	an	an	DT
39142	3020	73	average	average	JJ
39142	3020	74	star	star	NN
39142	3020	75	.	.	.
39142	3021	1	They	-PRON-	PRP
39142	3021	2	are	be	VBP
39142	3021	3	wandering	wander	VBG
39142	3021	4	through	through	IN
39142	3021	5	a	a	DT
39142	3021	6	part	part	NN
39142	3021	7	of	of	IN
39142	3021	8	space	space	NN
39142	3021	9	in	in	IN
39142	3021	10	which	which	WDT
39142	3021	11	are	be	VBP
39142	3021	12	scattered	scatter	VBN
39142	3021	13	stars	star	NNS
39142	3021	14	not	not	RB
39142	3021	15	belonging	belong	VBG
39142	3021	16	to	to	IN
39142	3021	17	their	-PRON-	PRP$
39142	3021	18	system	system	NN
39142	3021	19	--	--	:
39142	3021	20	interlopers	interloper	NNS
39142	3021	21	penetrating	penetrate	VBG
39142	3021	22	right	right	RB
39142	3021	23	among	among	IN
39142	3021	24	the	the	DT
39142	3021	25	cluster	cluster	NN
39142	3021	26	stars	star	NNS
39142	3021	27	.	.	.
39142	3022	1	Nevertheless	nevertheless	RB
39142	3022	2	,	,	,
39142	3022	3	the	the	DT
39142	3022	4	equality	equality	NN
39142	3022	5	of	of	IN
39142	3022	6	motion	motion	NN
39142	3022	7	has	have	VBZ
39142	3022	8	not	not	RB
39142	3022	9	been	be	VBN
39142	3022	10	seriously	seriously	RB
39142	3022	11	disturbed	disturb	VBN
39142	3022	12	.	.	.
39142	3023	1	It	-PRON-	PRP
39142	3023	2	is	be	VBZ
39142	3023	3	scarcely	scarcely	RB
39142	3023	4	possible	possible	JJ
39142	3023	5	to	to	TO
39142	3023	6	avoid	avoid	VB
39142	3023	7	the	the	DT
39142	3023	8	conclusion	conclusion	NN
39142	3023	9	that	that	IN
39142	3023	10	the	the	DT
39142	3023	11	chance	chance	NN
39142	3023	12	attractions	attraction	NNS
39142	3023	13	of	of	IN
39142	3023	14	stars	star	NNS
39142	3023	15	passing	pass	VBG
39142	3023	16	in	in	IN
39142	3023	17	the	the	DT
39142	3023	18	vicinity	vicinity	NN
39142	3023	19	have	have	VBP
39142	3023	20	no	no	DT
39142	3023	21	appreciable	appreciable	JJ
39142	3023	22	effect	effect	NN
39142	3023	23	on	on	IN
39142	3023	24	stellar	stellar	JJ
39142	3023	25	motions	motion	NNS
39142	3023	26	;	;	:
39142	3023	27	and	and	CC
39142	3023	28	that	that	IN
39142	3023	29	if	if	IN
39142	3023	30	the	the	DT
39142	3023	31	motions	motion	NNS
39142	3023	32	change	change	VBP
39142	3023	33	in	in	IN
39142	3023	34	course	course	NN
39142	3023	35	of	of	IN
39142	3023	36	time	time	NN
39142	3023	37	(	(	-LRB-
39142	3023	38	as	as	IN
39142	3023	39	it	-PRON-	PRP
39142	3023	40	appears	appear	VBZ
39142	3023	41	they	-PRON-	PRP
39142	3023	42	must	must	MD
39142	3023	43	do	do	VB
39142	3023	44	)	)	-RRB-
39142	3023	45	this	this	DT
39142	3023	46	change	change	NN
39142	3023	47	is	be	VBZ
39142	3023	48	due	due	JJ
39142	3023	49	,	,	,
39142	3023	50	not	not	RB
39142	3023	51	to	to	IN
39142	3023	52	the	the	DT
39142	3023	53	passage	passage	NN
39142	3023	54	of	of	IN
39142	3023	55	individual	individual	JJ
39142	3023	56	stars	star	NNS
39142	3023	57	,	,	,
39142	3023	58	but	but	CC
39142	3023	59	to	to	IN
39142	3023	60	the	the	DT
39142	3023	61	central	central	JJ
39142	3023	62	attraction	attraction	NN
39142	3023	63	of	of	IN
39142	3023	64	the	the	DT
39142	3023	65	whole	whole	JJ
39142	3023	66	stellar	stellar	JJ
39142	3023	67	universe	universe	NN
39142	3023	68	,	,	,
39142	3023	69	which	which	WDT
39142	3023	70	is	be	VBZ
39142	3023	71	sensibly	sensibly	RB
39142	3023	72	constant	constant	JJ
39142	3023	73	over	over	IN
39142	3023	74	the	the	DT
39142	3023	75	volume	volume	NN
39142	3023	76	of	of	IN
39142	3023	77	space	space	NN
39142	3023	78	occupied	occupy	VBN
39142	3023	79	by	by	IN
39142	3023	80	a	a	DT
39142	3023	81	moving	moving	JJ
39142	3023	82	cluster	cluster	NN
39142	3023	83	.	.	.
39142	3023	84	"	"	''
39142	3024	1	CHAPTER	CHAPTER	NNP
39142	3024	2	LVI	LVI	NNP
39142	3024	3	THE	the	DT
39142	3024	4	TWO	two	CD
39142	3024	5	STAR	STAR	NNP
39142	3024	6	STREAMS	streams	NN
39142	3024	7	Consider	consider	VBP
39142	3024	8	the	the	DT
39142	3024	9	ships	ship	NNS
39142	3024	10	on	on	IN
39142	3024	11	the	the	DT
39142	3024	12	Atlantic	Atlantic	NNP
39142	3024	13	voyaging	voyage	VBG
39142	3024	14	between	between	IN
39142	3024	15	Europe	Europe	NNP
39142	3024	16	and	and	CC
39142	3024	17	America	America	NNP
39142	3024	18	:	:	:
39142	3024	19	at	at	IN
39142	3024	20	any	any	DT
39142	3024	21	one	one	CD
39142	3024	22	time	time	NN
39142	3024	23	there	there	EX
39142	3024	24	may	may	MD
39142	3024	25	be	be	VB
39142	3024	26	a	a	DT
39142	3024	27	hundred	hundred	CD
39142	3024	28	or	or	CC
39142	3024	29	more	more	JJR
39142	3024	30	,	,	,
39142	3024	31	all	all	DT
39142	3024	32	bound	bind	VBN
39142	3024	33	either	either	CC
39142	3024	34	east	east	NNP
39142	3024	35	or	or	CC
39142	3024	36	west	west	NNP
39142	3024	37	,	,	,
39142	3024	38	some	some	DT
39142	3024	39	moving	move	VBG
39142	3024	40	in	in	IN
39142	3024	41	interpenetrating	interpenetrate	VBG
39142	3024	42	groups	group	NNS
39142	3024	43	,	,	,
39142	3024	44	individuals	individual	NNS
39142	3024	45	frequently	frequently	RB
39142	3024	46	passing	pass	VBG
39142	3024	47	each	each	DT
39142	3024	48	other	other	JJ
39142	3024	49	,	,	,
39142	3024	50	but	but	CC
39142	3024	51	rarely	rarely	RB
39142	3024	52	or	or	CC
39142	3024	53	never	never	RB
39142	3024	54	colliding	collide	VBG
39142	3024	55	.	.	.
39142	3025	1	We	-PRON-	PRP
39142	3025	2	might	may	MD
39142	3025	3	say	say	VB
39142	3025	4	,	,	,
39142	3025	5	there	there	EX
39142	3025	6	are	be	VBP
39142	3025	7	two	two	CD
39142	3025	8	great	great	JJ
39142	3025	9	streams	stream	NNS
39142	3025	10	of	of	IN
39142	3025	11	ships	ship	NNS
39142	3025	12	,	,	,
39142	3025	13	one	one	CD
39142	3025	14	moving	move	VBG
39142	3025	15	east	east	NN
39142	3025	16	and	and	CC
39142	3025	17	the	the	DT
39142	3025	18	other	other	JJ
39142	3025	19	west	west	NN
39142	3025	20	.	.	.
39142	3026	1	Now	now	RB
39142	3026	2	in	in	IN
39142	3026	3	place	place	NN
39142	3026	4	of	of	IN
39142	3026	5	each	each	DT
39142	3026	6	ship	ship	NN
39142	3026	7	,	,	,
39142	3026	8	imagine	imagine	VB
39142	3026	9	a	a	DT
39142	3026	10	hundred	hundred	CD
39142	3026	11	ships	ship	NNS
39142	3026	12	,	,	,
39142	3026	13	and	and	CC
39142	3026	14	magnify	magnify	VB
39142	3026	15	their	-PRON-	PRP$
39142	3026	16	distances	distance	NNS
39142	3026	17	from	from	IN
39142	3026	18	each	each	DT
39142	3026	19	other	other	JJ
39142	3026	20	to	to	IN
39142	3026	21	the	the	DT
39142	3026	22	vast	vast	JJ
39142	3026	23	distances	distance	NNS
39142	3026	24	that	that	IN
39142	3026	25	the	the	DT
39142	3026	26	stars	star	NNS
39142	3026	27	are	be	VBP
39142	3026	28	from	from	IN
39142	3026	29	each	each	DT
39142	3026	30	other	other	JJ
39142	3026	31	,	,	,
39142	3026	32	and	and	CC
39142	3026	33	all	all	DT
39142	3026	34	in	in	IN
39142	3026	35	motion	motion	NN
39142	3026	36	in	in	IN
39142	3026	37	two	two	CD
39142	3026	38	great	great	JJ
39142	3026	39	streams	stream	NNS
39142	3026	40	as	as	IN
39142	3026	41	before	before	RB
39142	3026	42	.	.	.
39142	3027	1	This	this	DT
39142	3027	2	will	will	MD
39142	3027	3	convey	convey	VB
39142	3027	4	some	some	DT
39142	3027	5	idea	idea	NN
39142	3027	6	of	of	IN
39142	3027	7	the	the	DT
39142	3027	8	relatively	relatively	RB
39142	3027	9	recent	recent	JJ
39142	3027	10	discovery	discovery	NN
39142	3027	11	,	,	,
39142	3027	12	called	call	VBN
39142	3027	13	by	by	IN
39142	3027	14	astronomers	astronomer	NNS
39142	3027	15	"	"	``
39142	3027	16	star	star	NN
39142	3027	17	-	-	HYPH
39142	3027	18	streaming	streaming	NN
39142	3027	19	.	.	.
39142	3027	20	"	"	''
39142	3028	1	Early	early	RB
39142	3028	2	in	in	IN
39142	3028	3	this	this	DT
39142	3028	4	century	century	NN
39142	3028	5	the	the	DT
39142	3028	6	investigation	investigation	NN
39142	3028	7	of	of	IN
39142	3028	8	moving	move	VBG
39142	3028	9	clusters	cluster	NNS
39142	3028	10	began	begin	VBD
39142	3028	11	to	to	TO
39142	3028	12	reveal	reveal	VB
39142	3028	13	the	the	DT
39142	3028	14	fact	fact	NN
39142	3028	15	that	that	IN
39142	3028	16	the	the	DT
39142	3028	17	motions	motion	NNS
39142	3028	18	of	of	IN
39142	3028	19	the	the	DT
39142	3028	20	stars	star	NNS
39142	3028	21	were	be	VBD
39142	3028	22	not	not	RB
39142	3028	23	at	at	RB
39142	3028	24	random	random	JJ
39142	3028	25	throughout	throughout	IN
39142	3028	26	the	the	DT
39142	3028	27	universe	universe	NN
39142	3028	28	,	,	,
39142	3028	29	and	and	CC
39142	3028	30	about	about	RB
39142	3028	31	1904	1904	CD
39142	3028	32	Kapteyn	Kapteyn	NNP
39142	3028	33	was	be	VBD
39142	3028	34	the	the	DT
39142	3028	35	first	first	JJ
39142	3028	36	to	to	TO
39142	3028	37	show	show	VB
39142	3028	38	that	that	IN
39142	3028	39	the	the	DT
39142	3028	40	stellar	stellar	JJ
39142	3028	41	motions	motion	NNS
39142	3028	42	considered	consider	VBN
39142	3028	43	in	in	IN
39142	3028	44	great	great	JJ
39142	3028	45	groups	group	NNS
39142	3028	46	are	be	VBP
39142	3028	47	very	very	RB
39142	3028	48	far	far	RB
39142	3028	49	from	from	IN
39142	3028	50	being	be	VBG
39142	3028	51	haphazard	haphazard	RB
39142	3028	52	,	,	,
39142	3028	53	but	but	CC
39142	3028	54	that	that	IN
39142	3028	55	the	the	DT
39142	3028	56	stars	star	NNS
39142	3028	57	tend	tend	VBP
39142	3028	58	to	to	TO
39142	3028	59	travel	travel	VB
39142	3028	60	in	in	IN
39142	3028	61	two	two	CD
39142	3028	62	great	great	JJ
39142	3028	63	streams	stream	NNS
39142	3028	64	,	,	,
39142	3028	65	or	or	CC
39142	3028	66	favored	favor	VBN
39142	3028	67	directions	direction	NNS
39142	3028	68	.	.	.
39142	3029	1	This	this	DT
39142	3029	2	was	be	VBD
39142	3029	3	ascertained	ascertain	VBN
39142	3029	4	by	by	IN
39142	3029	5	analyzing	analyze	VBG
39142	3029	6	the	the	DT
39142	3029	7	proper	proper	JJ
39142	3029	8	motions	motion	NNS
39142	3029	9	of	of	IN
39142	3029	10	stars	star	NNS
39142	3029	11	in	in	IN
39142	3029	12	the	the	DT
39142	3029	13	sky	sky	NN
39142	3029	14	,	,	,
39142	3029	15	many	many	JJ
39142	3029	16	thousands	thousand	NNS
39142	3029	17	of	of	IN
39142	3029	18	them	-PRON-	PRP
39142	3029	19	,	,	,
39142	3029	20	and	and	CC
39142	3029	21	correcting	correct	VBG
39142	3029	22	all	all	DT
39142	3029	23	for	for	IN
39142	3029	24	the	the	DT
39142	3029	25	effect	effect	NN
39142	3029	26	which	which	WDT
39142	3029	27	the	the	DT
39142	3029	28	known	know	VBN
39142	3029	29	motion	motion	NN
39142	3029	30	of	of	IN
39142	3029	31	the	the	DT
39142	3029	32	sun	sun	NN
39142	3029	33	would	would	MD
39142	3029	34	have	have	VB
39142	3029	35	upon	upon	IN
39142	3029	36	them	-PRON-	PRP
39142	3029	37	.	.	.
39142	3030	1	The	the	DT
39142	3030	2	corrected	correct	VBN
39142	3030	3	motion	motion	NN
39142	3030	4	,	,	,
39142	3030	5	or	or	CC
39142	3030	6	part	part	NN
39142	3030	7	that	that	WDT
39142	3030	8	is	be	VBZ
39142	3030	9	left	leave	VBN
39142	3030	10	over	over	RP
39142	3030	11	,	,	,
39142	3030	12	is	be	VBZ
39142	3030	13	known	know	VBN
39142	3030	14	as	as	IN
39142	3030	15	the	the	DT
39142	3030	16	star	star	NN
39142	3030	17	's	's	POS
39142	3030	18	own	own	JJ
39142	3030	19	motion	motion	NN
39142	3030	20	,	,	,
39142	3030	21	or	or	CC
39142	3030	22	_	_	NNP
39142	3030	23	motus	motus	NNP
39142	3030	24	peculiaris	peculiaris	NNP
39142	3030	25	_	_	NNP
39142	3030	26	.	.	.
39142	3031	1	This	this	DT
39142	3031	2	important	important	JJ
39142	3031	3	investigation	investigation	NN
39142	3031	4	was	be	VBD
39142	3031	5	very	very	RB
39142	3031	6	greatly	greatly	RB
39142	3031	7	facilitated	facilitate	VBN
39142	3031	8	by	by	IN
39142	3031	9	the	the	DT
39142	3031	10	general	general	JJ
39142	3031	11	catalogue	catalogue	NN
39142	3031	12	of	of	IN
39142	3031	13	6,188	6,188	CD
39142	3031	14	stars	star	NNS
39142	3031	15	well	well	RB
39142	3031	16	distributed	distribute	VBN
39142	3031	17	over	over	IN
39142	3031	18	the	the	DT
39142	3031	19	entire	entire	JJ
39142	3031	20	sky	sky	NN
39142	3031	21	,	,	,
39142	3031	22	the	the	DT
39142	3031	23	work	work	NN
39142	3031	24	of	of	IN
39142	3031	25	the	the	DT
39142	3031	26	late	late	JJ
39142	3031	27	Professor	Professor	NNP
39142	3031	28	Boss	Boss	NNP
39142	3031	29	.	.	.
39142	3032	1	It	-PRON-	PRP
39142	3032	2	was	be	VBD
39142	3032	3	published	publish	VBN
39142	3032	4	by	by	IN
39142	3032	5	the	the	DT
39142	3032	6	Carnegie	Carnegie	NNP
39142	3032	7	Institution	Institution	NNP
39142	3032	8	of	of	IN
39142	3032	9	Washington	Washington	NNP
39142	3032	10	,	,	,
39142	3032	11	and	and	CC
39142	3032	12	includes	include	VBZ
39142	3032	13	all	all	DT
39142	3032	14	stars	star	NNS
39142	3032	15	down	down	RP
39142	3032	16	to	to	IN
39142	3032	17	the	the	DT
39142	3032	18	sixth	sixth	JJ
39142	3032	19	magnitude	magnitude	NN
39142	3032	20	.	.	.
39142	3033	1	Boss	boss	NN
39142	3033	2	was	be	VBD
39142	3033	3	very	very	RB
39142	3033	4	critical	critical	JJ
39142	3033	5	in	in	IN
39142	3033	6	the	the	DT
39142	3033	7	matter	matter	NN
39142	3033	8	of	of	IN
39142	3033	9	stellar	stellar	JJ
39142	3033	10	positions	position	NNS
39142	3033	11	and	and	CC
39142	3033	12	proper	proper	JJ
39142	3033	13	motions	motion	NNS
39142	3033	14	and	and	CC
39142	3033	15	his	-PRON-	PRP$
39142	3033	16	work	work	NN
39142	3033	17	is	be	VBZ
39142	3033	18	the	the	DT
39142	3033	19	most	most	RBS
39142	3033	20	accurate	accurate	JJ
39142	3033	21	at	at	IN
39142	3033	22	present	present	JJ
39142	3033	23	available	available	JJ
39142	3033	24	.	.	.
39142	3034	1	Excluding	exclude	VBG
39142	3034	2	stars	star	NNS
39142	3034	3	of	of	IN
39142	3034	4	the	the	DT
39142	3034	5	Orion	Orion	NNP
39142	3034	6	type	type	NN
39142	3034	7	and	and	CC
39142	3034	8	the	the	DT
39142	3034	9	known	know	VBN
39142	3034	10	members	member	NNS
39142	3034	11	of	of	IN
39142	3034	12	moving	move	VBG
39142	3034	13	clusters	cluster	NNS
39142	3034	14	,	,	,
39142	3034	15	Kapteyn	Kapteyn	NNP
39142	3034	16	's	's	POS
39142	3034	17	investigation	investigation	NN
39142	3034	18	was	be	VBD
39142	3034	19	based	base	VBN
39142	3034	20	on	on	IN
39142	3034	21	5,322	5,322	CD
39142	3034	22	stars	star	NNS
39142	3034	23	,	,	,
39142	3034	24	which	which	WDT
39142	3034	25	he	-PRON-	PRP
39142	3034	26	divided	divide	VBD
39142	3034	27	into	into	IN
39142	3034	28	seventeen	seventeen	JJ
39142	3034	29	regions	region	NNS
39142	3034	30	of	of	IN
39142	3034	31	the	the	DT
39142	3034	32	sky	sky	NN
39142	3034	33	,	,	,
39142	3034	34	each	each	DT
39142	3034	35	northern	northern	JJ
39142	3034	36	region	region	NN
39142	3034	37	having	have	VBG
39142	3034	38	an	an	DT
39142	3034	39	antipodal	antipodal	NN
39142	3034	40	one	one	CD
39142	3034	41	in	in	IN
39142	3034	42	the	the	DT
39142	3034	43	southern	southern	JJ
39142	3034	44	hemisphere	hemisphere	NN
39142	3034	45	.	.	.
39142	3035	1	Mathematical	mathematical	JJ
39142	3035	2	analysis	analysis	NN
39142	3035	3	of	of	IN
39142	3035	4	these	these	DT
39142	3035	5	regions	region	NNS
39142	3035	6	showed	show	VBD
39142	3035	7	them	-PRON-	PRP
39142	3035	8	all	all	DT
39142	3035	9	in	in	IN
39142	3035	10	substantial	substantial	JJ
39142	3035	11	agreement	agreement	NN
39142	3035	12	,	,	,
39142	3035	13	with	with	IN
39142	3035	14	one	one	CD
39142	3035	15	exception	exception	NN
39142	3035	16	,	,	,
39142	3035	17	and	and	CC
39142	3035	18	enabled	enable	VBD
39142	3035	19	Kapteyn	Kapteyn	NNP
39142	3035	20	to	to	TO
39142	3035	21	draw	draw	VB
39142	3035	22	the	the	DT
39142	3035	23	conclusion	conclusion	NN
39142	3035	24	that	that	IN
39142	3035	25	the	the	DT
39142	3035	26	stars	star	NNS
39142	3035	27	of	of	IN
39142	3035	28	one	one	CD
39142	3035	29	stream	stream	NN
39142	3035	30	,	,	,
39142	3035	31	called	call	VBN
39142	3035	32	Drift	Drift	NNP
39142	3035	33	I	I	NNP
39142	3035	34	,	,	,
39142	3035	35	move	move	VB
39142	3035	36	with	with	IN
39142	3035	37	a	a	DT
39142	3035	38	speed	speed	NN
39142	3035	39	of	of	IN
39142	3035	40	thirty	thirty	CD
39142	3035	41	-	-	HYPH
39142	3035	42	two	two	CD
39142	3035	43	kilometers	kilometer	NNS
39142	3035	44	per	per	IN
39142	3035	45	second	second	NN
39142	3035	46	,	,	,
39142	3035	47	while	while	IN
39142	3035	48	those	those	DT
39142	3035	49	of	of	IN
39142	3035	50	the	the	DT
39142	3035	51	other	other	JJ
39142	3035	52	,	,	,
39142	3035	53	Drift	Drift	NNP
39142	3035	54	II	II	NNP
39142	3035	55	,	,	,
39142	3035	56	travel	travel	VBP
39142	3035	57	with	with	IN
39142	3035	58	a	a	DT
39142	3035	59	speed	speed	NN
39142	3035	60	of	of	IN
39142	3035	61	eighteen	eighteen	CD
39142	3035	62	kilometers	kilometer	NNS
39142	3035	63	per	per	IN
39142	3035	64	second	second	NN
39142	3035	65	.	.	.
39142	3036	1	Their	-PRON-	PRP$
39142	3036	2	directions	direction	NNS
39142	3036	3	are	be	VBP
39142	3036	4	not	not	RB
39142	3036	5	,	,	,
39142	3036	6	like	like	IN
39142	3036	7	those	those	DT
39142	3036	8	of	of	IN
39142	3036	9	east	east	NNP
39142	3036	10	and	and	CC
39142	3036	11	west	west	NNP
39142	3036	12	bound	bind	VBN
39142	3036	13	ships	ship	NNS
39142	3036	14	,	,	,
39142	3036	15	180	180	CD
39142	3036	16	degrees	degree	NNS
39142	3036	17	from	from	IN
39142	3036	18	each	each	DT
39142	3036	19	other	other	JJ
39142	3036	20	,	,	,
39142	3036	21	but	but	CC
39142	3036	22	are	be	VBP
39142	3036	23	inclined	incline	VBN
39142	3036	24	at	at	IN
39142	3036	25	an	an	DT
39142	3036	26	angle	angle	NN
39142	3036	27	of	of	IN
39142	3036	28	100	100	CD
39142	3036	29	degrees	degree	NNS
39142	3036	30	.	.	.
39142	3037	1	Drift	Drift	NNP
39142	3037	2	I	-PRON-	PRP
39142	3037	3	embraces	embrace	VBZ
39142	3037	4	about	about	RB
39142	3037	5	three	three	CD
39142	3037	6	-	-	HYPH
39142	3037	7	fifths	fifth	NNS
39142	3037	8	of	of	IN
39142	3037	9	the	the	DT
39142	3037	10	stars	star	NNS
39142	3037	11	,	,	,
39142	3037	12	and	and	CC
39142	3037	13	Drift	Drift	NNP
39142	3037	14	II	II	NNP
39142	3037	15	the	the	DT
39142	3037	16	remaining	remain	VBG
39142	3037	17	two	two	CD
39142	3037	18	-	-	HYPH
39142	3037	19	fifths	fifth	NNS
39142	3037	20	.	.	.
39142	3038	1	Quite	quite	RB
39142	3038	2	as	as	RB
39142	3038	3	remarkable	remarkable	JJ
39142	3038	4	as	as	IN
39142	3038	5	the	the	DT
39142	3038	6	drifts	drift	NNS
39142	3038	7	themselves	-PRON-	PRP
39142	3038	8	is	be	VBZ
39142	3038	9	the	the	DT
39142	3038	10	fact	fact	NN
39142	3038	11	that	that	IN
39142	3038	12	the	the	DT
39142	3038	13	relative	relative	JJ
39142	3038	14	motion	motion	NN
39142	3038	15	of	of	IN
39142	3038	16	the	the	DT
39142	3038	17	two	two	CD
39142	3038	18	is	be	VBZ
39142	3038	19	very	very	RB
39142	3038	20	closely	closely	RB
39142	3038	21	parallel	parallel	JJ
39142	3038	22	to	to	IN
39142	3038	23	the	the	DT
39142	3038	24	plane	plane	NN
39142	3038	25	of	of	IN
39142	3038	26	the	the	DT
39142	3038	27	Milky	Milky	NNP
39142	3038	28	Way	Way	NNP
39142	3038	29	.	.	.
39142	3039	1	This	this	DT
39142	3039	2	epochal	epochal	NN
39142	3039	3	research	research	NN
39142	3039	4	has	have	VBZ
39142	3039	5	very	very	RB
39142	3039	6	great	great	JJ
39142	3039	7	significance	significance	NN
39142	3039	8	in	in	IN
39142	3039	9	all	all	DT
39142	3039	10	investigations	investigation	NNS
39142	3039	11	of	of	IN
39142	3039	12	stellar	stellar	JJ
39142	3039	13	motions	motion	NNS
39142	3039	14	,	,	,
39142	3039	15	and	and	CC
39142	3039	16	it	-PRON-	PRP
39142	3039	17	has	have	VBZ
39142	3039	18	been	be	VBN
39142	3039	19	verified	verify	VBN
39142	3039	20	in	in	IN
39142	3039	21	various	various	JJ
39142	3039	22	ways	way	NNS
39142	3039	23	,	,	,
39142	3039	24	particularly	particularly	RB
39142	3039	25	by	by	IN
39142	3039	26	the	the	DT
39142	3039	27	Astronomer	Astronomer	NNP
39142	3039	28	Royal	Royal	NNP
39142	3039	29	,	,	,
39142	3039	30	Sir	Sir	NNP
39142	3039	31	Frank	Frank	NNP
39142	3039	32	Dyson	Dyson	NNP
39142	3039	33	,	,	,
39142	3039	34	who	who	WP
39142	3039	35	limited	limit	VBD
39142	3039	36	the	the	DT
39142	3039	37	stars	star	NNS
39142	3039	38	under	under	IN
39142	3039	39	consideration	consideration	NN
39142	3039	40	to	to	IN
39142	3039	41	1,924	1,924	CD
39142	3039	42	in	in	IN
39142	3039	43	number	number	NN
39142	3039	44	,	,	,
39142	3039	45	but	but	CC
39142	3039	46	all	all	DT
39142	3039	47	having	have	VBG
39142	3039	48	very	very	RB
39142	3039	49	large	large	JJ
39142	3039	50	proper	proper	JJ
39142	3039	51	motions	motion	NNS
39142	3039	52	.	.	.
39142	3040	1	In	in	IN
39142	3040	2	this	this	DT
39142	3040	3	way	way	NN
39142	3040	4	the	the	DT
39142	3040	5	two	two	CD
39142	3040	6	streams	stream	NNS
39142	3040	7	are	be	VBP
39142	3040	8	even	even	RB
39142	3040	9	more	more	RBR
39142	3040	10	characteristically	characteristically	RB
39142	3040	11	marked	mark	VBN
39142	3040	12	.	.	.
39142	3041	1	But	but	CC
39142	3041	2	radial	radial	JJ
39142	3041	3	velocity	velocity	NN
39142	3041	4	determinations	determination	NNS
39142	3041	5	afford	afford	VBP
39142	3041	6	the	the	DT
39142	3041	7	ultimate	ultimate	JJ
39142	3041	8	and	and	CC
39142	3041	9	most	most	RBS
39142	3041	10	satisfactory	satisfactory	JJ
39142	3041	11	test	test	NN
39142	3041	12	,	,	,
39142	3041	13	and	and	CC
39142	3041	14	Campbell	Campbell	NNP
39142	3041	15	has	have	VBZ
39142	3041	16	this	this	DT
39142	3041	17	investigation	investigation	NN
39142	3041	18	in	in	IN
39142	3041	19	hand	hand	NN
39142	3041	20	,	,	,
39142	3041	21	classifying	classify	VBG
39142	3041	22	the	the	DT
39142	3041	23	stars	star	NNS
39142	3041	24	in	in	IN
39142	3041	25	their	-PRON-	PRP$
39142	3041	26	streaming	streaming	NN
39142	3041	27	according	accord	VBG
39142	3041	28	to	to	IN
39142	3041	29	the	the	DT
39142	3041	30	type	type	NN
39142	3041	31	.	.	.
39142	3042	1	Type	type	VB
39142	3042	2	A	a	DT
39142	3042	3	stars	star	NNS
39142	3042	4	are	be	VBP
39142	3042	5	so	so	RB
39142	3042	6	far	far	RB
39142	3042	7	found	find	VBN
39142	3042	8	to	to	TO
39142	3042	9	be	be	VB
39142	3042	10	confirmatory	confirmatory	JJ
39142	3042	11	.	.	.
39142	3043	1	Turning	turn	VBG
39142	3043	2	to	to	IN
39142	3043	3	the	the	DT
39142	3043	4	question	question	NN
39142	3043	5	of	of	IN
39142	3043	6	physical	physical	JJ
39142	3043	7	differences	difference	NNS
39142	3043	8	between	between	IN
39142	3043	9	the	the	DT
39142	3043	10	stars	star	NNS
39142	3043	11	of	of	IN
39142	3043	12	the	the	DT
39142	3043	13	two	two	CD
39142	3043	14	streams	stream	NNS
39142	3043	15	,	,	,
39142	3043	16	Eddington	Eddington	NNP
39142	3043	17	inquires	inquire	VBZ
39142	3043	18	into	into	IN
39142	3043	19	the	the	DT
39142	3043	20	average	average	JJ
39142	3043	21	magnitude	magnitude	NN
39142	3043	22	of	of	IN
39142	3043	23	the	the	DT
39142	3043	24	stars	star	NNS
39142	3043	25	in	in	IN
39142	3043	26	both	both	DT
39142	3043	27	drifts	drift	NNS
39142	3043	28	,	,	,
39142	3043	29	and	and	CC
39142	3043	30	their	-PRON-	PRP$
39142	3043	31	spectral	spectral	JJ
39142	3043	32	type	type	NN
39142	3043	33	.	.	.
39142	3044	1	Also	also	RB
39142	3044	2	whether	whether	IN
39142	3044	3	they	-PRON-	PRP
39142	3044	4	are	be	VBP
39142	3044	5	distributed	distribute	VBN
39142	3044	6	at	at	IN
39142	3044	7	the	the	DT
39142	3044	8	same	same	JJ
39142	3044	9	distance	distance	NN
39142	3044	10	from	from	IN
39142	3044	11	the	the	DT
39142	3044	12	sun	sun	NN
39142	3044	13	,	,	,
39142	3044	14	and	and	CC
39142	3044	15	in	in	IN
39142	3044	16	the	the	DT
39142	3044	17	same	same	JJ
39142	3044	18	proportion	proportion	NN
39142	3044	19	in	in	IN
39142	3044	20	all	all	DT
39142	3044	21	parts	part	NNS
39142	3044	22	of	of	IN
39142	3044	23	the	the	DT
39142	3044	24	sky	sky	NN
39142	3044	25	.	.	.
39142	3045	1	His	-PRON-	PRP$
39142	3045	2	conclusion	conclusion	NN
39142	3045	3	is	be	VBZ
39142	3045	4	that	that	IN
39142	3045	5	there	there	EX
39142	3045	6	is	be	VBZ
39142	3045	7	no	no	DT
39142	3045	8	important	important	JJ
39142	3045	9	difference	difference	NN
39142	3045	10	in	in	IN
39142	3045	11	the	the	DT
39142	3045	12	magnitudes	magnitude	NNS
39142	3045	13	of	of	IN
39142	3045	14	the	the	DT
39142	3045	15	stars	star	NNS
39142	3045	16	constituting	constitute	VBG
39142	3045	17	the	the	DT
39142	3045	18	two	two	CD
39142	3045	19	drifts	drift	NNS
39142	3045	20	.	.	.
39142	3046	1	Regarding	regard	VBG
39142	3046	2	their	-PRON-	PRP$
39142	3046	3	spectra	spectra	NN
39142	3046	4	,	,	,
39142	3046	5	stars	star	NNS
39142	3046	6	of	of	IN
39142	3046	7	early	early	JJ
39142	3046	8	and	and	CC
39142	3046	9	late	late	JJ
39142	3046	10	types	type	NNS
39142	3046	11	are	be	VBP
39142	3046	12	found	find	VBN
39142	3046	13	in	in	IN
39142	3046	14	both	both	DT
39142	3046	15	streams	stream	NNS
39142	3046	16	,	,	,
39142	3046	17	with	with	IN
39142	3046	18	a	a	DT
39142	3046	19	somewhat	somewhat	RB
39142	3046	20	higher	high	JJR
39142	3046	21	proportion	proportion	NN
39142	3046	22	of	of	IN
39142	3046	23	late	late	JJ
39142	3046	24	types	type	NNS
39142	3046	25	among	among	IN
39142	3046	26	the	the	DT
39142	3046	27	stars	star	NNS
39142	3046	28	of	of	IN
39142	3046	29	Drift	Drift	NNP
39142	3046	30	II	II	NNP
39142	3046	31	than	than	IN
39142	3046	32	those	those	DT
39142	3046	33	of	of	IN
39142	3046	34	Drift	Drift	NNP
39142	3046	35	I.	I.	NNP
39142	3046	36	Campbell	Campbell	NNP
39142	3046	37	and	and	CC
39142	3046	38	Moore	Moore	NNP
39142	3046	39	of	of	IN
39142	3046	40	the	the	DT
39142	3046	41	Lick	Lick	NNP
39142	3046	42	Observatory	Observatory	NNP
39142	3046	43	have	have	VBP
39142	3046	44	investigated	investigate	VBN
39142	3046	45	seventy	seventy	CD
39142	3046	46	-	-	HYPH
39142	3046	47	three	three	CD
39142	3046	48	planetary	planetary	NN
39142	3046	49	nebulæ	nebulæ	NN
39142	3046	50	which	which	WDT
39142	3046	51	exhibit	exhibit	VBP
39142	3046	52	the	the	DT
39142	3046	53	phenomena	phenomenon	NNS
39142	3046	54	of	of	IN
39142	3046	55	star	star	NN
39142	3046	56	-	-	HYPH
39142	3046	57	streaming	streaming	NN
39142	3046	58	,	,	,
39142	3046	59	and	and	CC
39142	3046	60	have	have	VBP
39142	3046	61	motions	motion	NNS
39142	3046	62	which	which	WDT
39142	3046	63	are	be	VBP
39142	3046	64	characteristic	characteristic	JJ
39142	3046	65	of	of	IN
39142	3046	66	the	the	DT
39142	3046	67	stars	star	NNS
39142	3046	68	.	.	.
39142	3047	1	Dealing	deal	VBG
39142	3047	2	with	with	IN
39142	3047	3	the	the	DT
39142	3047	4	very	very	RB
39142	3047	5	important	important	JJ
39142	3047	6	question	question	NN
39142	3047	7	whether	whether	IN
39142	3047	8	the	the	DT
39142	3047	9	two	two	CD
39142	3047	10	streams	stream	NNS
39142	3047	11	are	be	VBP
39142	3047	12	actually	actually	RB
39142	3047	13	intermingled	intermingle	VBN
39142	3047	14	in	in	IN
39142	3047	15	space	space	NN
39142	3047	16	,	,	,
39142	3047	17	Eddington	Eddington	NNP
39142	3047	18	finds	find	VBZ
39142	3047	19	them	-PRON-	PRP
39142	3047	20	nearly	nearly	RB
39142	3047	21	at	at	IN
39142	3047	22	the	the	DT
39142	3047	23	same	same	JJ
39142	3047	24	mean	mean	JJ
39142	3047	25	distance	distance	NN
39142	3047	26	and	and	CC
39142	3047	27	thoroughly	thoroughly	RB
39142	3047	28	intermingled	intermingle	VBN
39142	3047	29	,	,	,
39142	3047	30	and	and	CC
39142	3047	31	there	there	EX
39142	3047	32	is	be	VBZ
39142	3047	33	no	no	DT
39142	3047	34	possible	possible	JJ
39142	3047	35	hypothesis	hypothesis	NN
39142	3047	36	of	of	IN
39142	3047	37	Drifts	Drifts	NNP
39142	3047	38	I	I	NNP
39142	3047	39	and	and	CC
39142	3047	40	II	ii	CD
39142	3047	41	passing	pass	VBG
39142	3047	42	one	one	CD
39142	3047	43	behind	behind	IN
39142	3047	44	the	the	DT
39142	3047	45	other	other	JJ
39142	3047	46	in	in	IN
39142	3047	47	the	the	DT
39142	3047	48	same	same	JJ
39142	3047	49	line	line	NN
39142	3047	50	of	of	IN
39142	3047	51	sight	sight	NN
39142	3047	52	.	.	.
39142	3048	1	A	a	DT
39142	3048	2	third	third	JJ
39142	3048	3	drift	drift	NN
39142	3048	4	,	,	,
39142	3048	5	to	to	TO
39142	3048	6	which	which	WDT
39142	3048	7	all	all	PDT
39142	3048	8	the	the	DT
39142	3048	9	Orion	Orion	NNP
39142	3048	10	stars	star	NNS
39142	3048	11	belong	belong	VBP
39142	3048	12	,	,	,
39142	3048	13	is	be	VBZ
39142	3048	14	under	under	IN
39142	3048	15	investigation	investigation	NN
39142	3048	16	,	,	,
39142	3048	17	together	together	RB
39142	3048	18	with	with	IN
39142	3048	19	comprehensive	comprehensive	JJ
39142	3048	20	analysis	analysis	NN
39142	3048	21	of	of	IN
39142	3048	22	the	the	DT
39142	3048	23	drifts	drift	NNS
39142	3048	24	according	accord	VBG
39142	3048	25	to	to	IN
39142	3048	26	the	the	DT
39142	3048	27	spectral	spectral	JJ
39142	3048	28	type	type	NN
39142	3048	29	of	of	IN
39142	3048	30	all	all	PDT
39142	3048	31	the	the	DT
39142	3048	32	stars	star	NNS
39142	3048	33	included	include	VBN
39142	3048	34	.	.	.
39142	3049	1	The	the	DT
39142	3049	2	farther	farther	JJ
39142	3049	3	research	research	NN
39142	3049	4	on	on	IN
39142	3049	5	star	star	NN
39142	3049	6	-	-	HYPH
39142	3049	7	streaming	streaming	NN
39142	3049	8	is	be	VBZ
39142	3049	9	pushed	push	VBN
39142	3049	10	,	,	,
39142	3049	11	the	the	DT
39142	3049	12	more	more	RBR
39142	3049	13	it	-PRON-	PRP
39142	3049	14	becomes	become	VBZ
39142	3049	15	evident	evident	JJ
39142	3049	16	that	that	IN
39142	3049	17	a	a	DT
39142	3049	18	third	third	JJ
39142	3049	19	stream	stream	NN
39142	3049	20	,	,	,
39142	3049	21	called	call	VBN
39142	3049	22	Drift	Drift	NNP
39142	3049	23	O	O	NNP
39142	3049	24	,	,	,
39142	3049	25	is	be	VBZ
39142	3049	26	necessary	necessary	JJ
39142	3049	27	,	,	,
39142	3049	28	especially	especially	RB
39142	3049	29	to	to	TO
39142	3049	30	include	include	VB
39142	3049	31	B	b	NN
39142	3049	32	-	-	HYPH
39142	3049	33	type	type	NN
39142	3049	34	stars	star	NNS
39142	3049	35	.	.	.
39142	3050	1	The	the	DT
39142	3050	2	farther	far	RBR
39142	3050	3	we	-PRON-	PRP
39142	3050	4	recede	recede	VBP
39142	3050	5	from	from	IN
39142	3050	6	the	the	DT
39142	3050	7	sun	sun	NN
39142	3050	8	,	,	,
39142	3050	9	the	the	DT
39142	3050	10	more	more	RBR
39142	3050	11	this	this	DT
39142	3050	12	drift	drift	NN
39142	3050	13	is	be	VBZ
39142	3050	14	in	in	IN
39142	3050	15	evidence	evidence	NN
39142	3050	16	.	.	.
39142	3051	1	At	at	IN
39142	3051	2	the	the	DT
39142	3051	3	average	average	JJ
39142	3051	4	distances	distance	NNS
39142	3051	5	of	of	IN
39142	3051	6	B	b	NN
39142	3051	7	-	-	HYPH
39142	3051	8	type	type	NN
39142	3051	9	stars	star	NNS
39142	3051	10	,	,	,
39142	3051	11	the	the	DT
39142	3051	12	observed	observed	JJ
39142	3051	13	motions	motion	NNS
39142	3051	14	are	be	VBP
39142	3051	15	almost	almost	RB
39142	3051	16	completely	completely	RB
39142	3051	17	represented	represent	VBN
39142	3051	18	by	by	IN
39142	3051	19	Drift	Drift	NNP
39142	3051	20	O	o	UH
39142	3051	21	alone	alone	RB
39142	3051	22	.	.	.
39142	3052	1	Halm	Halm	NNP
39142	3052	2	of	of	IN
39142	3052	3	Cape	Cape	NNP
39142	3052	4	Town	Town	NNP
39142	3052	5	concludes	conclude	VBZ
39142	3052	6	from	from	IN
39142	3052	7	recent	recent	JJ
39142	3052	8	investigations	investigation	NNS
39142	3052	9	that	that	WDT
39142	3052	10	the	the	DT
39142	3052	11	double	double	JJ
39142	3052	12	-	-	HYPH
39142	3052	13	drift	drift	NN
39142	3052	14	phenomena	phenomenon	NNS
39142	3052	15	(	(	-LRB-
39142	3052	16	Drifts	Drifts	NNP
39142	3052	17	I	I	NNP
39142	3052	18	and	and	CC
39142	3052	19	II	II	NNP
39142	3052	20	)	)	-RRB-
39142	3052	21	is	be	VBZ
39142	3052	22	of	of	IN
39142	3052	23	a	a	DT
39142	3052	24	distinctly	distinctly	RB
39142	3052	25	_	_	NNP
39142	3052	26	local	local	JJ
39142	3052	27	_	_	NNP
39142	3052	28	character	character	NN
39142	3052	29	,	,	,
39142	3052	30	and	and	CC
39142	3052	31	concerns	concern	VBZ
39142	3052	32	chiefly	chiefly	RB
39142	3052	33	the	the	DT
39142	3052	34	stars	star	NNS
39142	3052	35	in	in	IN
39142	3052	36	the	the	DT
39142	3052	37	vicinity	vicinity	NN
39142	3052	38	of	of	IN
39142	3052	39	the	the	DT
39142	3052	40	solar	solar	JJ
39142	3052	41	system	system	NN
39142	3052	42	;	;	:
39142	3052	43	while	while	IN
39142	3052	44	stars	star	NNS
39142	3052	45	at	at	IN
39142	3052	46	the	the	DT
39142	3052	47	greatest	great	JJS
39142	3052	48	distances	distance	NNS
39142	3052	49	from	from	IN
39142	3052	50	the	the	DT
39142	3052	51	sun	sun	NN
39142	3052	52	belong	belong	VBP
39142	3052	53	preeminently	preeminently	RB
39142	3052	54	to	to	IN
39142	3052	55	Drift	Drift	NNP
39142	3052	56	O.	O.	NNP
39142	3053	1	The	the	DT
39142	3053	2	60-inch	60-inch	CD
39142	3053	3	reflector	reflector	NN
39142	3053	4	on	on	IN
39142	3053	5	Mount	Mount	NNP
39142	3053	6	Wilson	Wilson	NNP
39142	3053	7	gathers	gather	NNS
39142	3053	8	sufficient	sufficient	JJ
39142	3053	9	light	light	NN
39142	3053	10	so	so	IN
39142	3053	11	that	that	IN
39142	3053	12	the	the	DT
39142	3053	13	spectra	spectra	NN
39142	3053	14	of	of	IN
39142	3053	15	very	very	RB
39142	3053	16	faint	faint	JJ
39142	3053	17	stars	star	NNS
39142	3053	18	can	can	MD
39142	3053	19	be	be	VB
39142	3053	20	photographed	photograph	VBN
39142	3053	21	,	,	,
39142	3053	22	and	and	CC
39142	3053	23	a	a	DT
39142	3053	24	discussion	discussion	NN
39142	3053	25	of	of	IN
39142	3053	26	velocities	velocity	NNS
39142	3053	27	derived	derive	VBN
39142	3053	28	in	in	IN
39142	3053	29	this	this	DT
39142	3053	30	manner	manner	NN
39142	3053	31	has	have	VBZ
39142	3053	32	shown	show	VBN
39142	3053	33	that	that	IN
39142	3053	34	Kapteyn	Kapteyn	NNP
39142	3053	35	's	's	POS
39142	3053	36	two	two	CD
39142	3053	37	star	star	NN
39142	3053	38	streams	stream	NNS
39142	3053	39	extend	extend	VBP
39142	3053	40	into	into	IN
39142	3053	41	space	space	NN
39142	3053	42	much	much	RB
39142	3053	43	farther	far	RBR
39142	3053	44	than	than	IN
39142	3053	45	it	-PRON-	PRP
39142	3053	46	was	be	VBD
39142	3053	47	possible	possible	JJ
39142	3053	48	to	to	TO
39142	3053	49	trace	trace	VB
39142	3053	50	them	-PRON-	PRP
39142	3053	51	with	with	IN
39142	3053	52	the	the	DT
39142	3053	53	nearer	nearer	JJ
39142	3053	54	stars	star	NNS
39142	3053	55	.	.	.
39142	3054	1	Star	star	NN
39142	3054	2	-	-	HYPH
39142	3054	3	streaming	streaming	NN
39142	3054	4	,	,	,
39142	3054	5	then	then	RB
39142	3054	6	,	,	,
39142	3054	7	may	may	MD
39142	3054	8	be	be	VB
39142	3054	9	a	a	DT
39142	3054	10	phenomenon	phenomenon	NN
39142	3054	11	of	of	IN
39142	3054	12	the	the	DT
39142	3054	13	widest	wide	JJS
39142	3054	14	significance	significance	NN
39142	3054	15	in	in	IN
39142	3054	16	reference	reference	NN
39142	3054	17	to	to	IN
39142	3054	18	the	the	DT
39142	3054	19	entire	entire	JJ
39142	3054	20	universe	universe	NN
39142	3054	21	.	.	.
39142	3055	1	As	as	IN
39142	3055	2	to	to	IN
39142	3055	3	the	the	DT
39142	3055	4	fundamental	fundamental	JJ
39142	3055	5	causes	cause	NNS
39142	3055	6	for	for	IN
39142	3055	7	the	the	DT
39142	3055	8	two	two	CD
39142	3055	9	opposite	opposite	JJ
39142	3055	10	and	and	CC
39142	3055	11	nearly	nearly	RB
39142	3055	12	equal	equal	JJ
39142	3055	13	star	star	NN
39142	3055	14	streams	stream	NNS
39142	3055	15	,	,	,
39142	3055	16	it	-PRON-	PRP
39142	3055	17	is	be	VBZ
39142	3055	18	early	early	JJ
39142	3055	19	perhaps	perhaps	RB
39142	3055	20	to	to	TO
39142	3055	21	even	even	RB
39142	3055	22	theorize	theorize	VB
39142	3055	23	upon	upon	IN
39142	3055	24	the	the	DT
39142	3055	25	subject	subject	NN
39142	3055	26	.	.	.
39142	3056	1	Eddington	Eddington	NNP
39142	3056	2	,	,	,
39142	3056	3	however	however	RB
39142	3056	4	,	,	,
39142	3056	5	finds	find	VBZ
39142	3056	6	a	a	DT
39142	3056	7	possible	possible	JJ
39142	3056	8	explanation	explanation	NN
39142	3056	9	in	in	IN
39142	3056	10	the	the	DT
39142	3056	11	spiral	spiral	JJ
39142	3056	12	nebulæ	nebulæ	NN
39142	3056	13	,	,	,
39142	3056	14	which	which	WDT
39142	3056	15	are	be	VBP
39142	3056	16	so	so	RB
39142	3056	17	numerous	numerous	JJ
39142	3056	18	as	as	IN
39142	3056	19	to	to	TO
39142	3056	20	indicate	indicate	VB
39142	3056	21	the	the	DT
39142	3056	22	certainty	certainty	NN
39142	3056	23	of	of	IN
39142	3056	24	an	an	DT
39142	3056	25	almost	almost	RB
39142	3056	26	universal	universal	JJ
39142	3056	27	law	law	NN
39142	3056	28	compelling	compelling	NN
39142	3056	29	matter	matter	NN
39142	3056	30	to	to	TO
39142	3056	31	flow	flow	VB
39142	3056	32	in	in	IN
39142	3056	33	these	these	DT
39142	3056	34	forms	form	NNS
39142	3056	35	.	.	.
39142	3057	1	Why	why	WRB
39142	3057	2	it	-PRON-	PRP
39142	3057	3	does	do	VBZ
39142	3057	4	so	so	RB
39142	3057	5	,	,	,
39142	3057	6	we	-PRON-	PRP
39142	3057	7	can	can	MD
39142	3057	8	not	not	RB
39142	3057	9	be	be	VB
39142	3057	10	said	say	VBN
39142	3057	11	to	to	TO
39142	3057	12	know	know	VB
39142	3057	13	;	;	:
39142	3057	14	but	but	CC
39142	3057	15	obviously	obviously	RB
39142	3057	16	matter	matter	NN
39142	3057	17	is	be	VBZ
39142	3057	18	either	either	CC
39142	3057	19	flowing	flow	VBG
39142	3057	20	into	into	IN
39142	3057	21	the	the	DT
39142	3057	22	nucleus	nucleus	NN
39142	3057	23	from	from	IN
39142	3057	24	the	the	DT
39142	3057	25	branches	branch	NNS
39142	3057	26	of	of	IN
39142	3057	27	the	the	DT
39142	3057	28	spiral	spiral	NN
39142	3057	29	,	,	,
39142	3057	30	or	or	CC
39142	3057	31	it	-PRON-	PRP
39142	3057	32	is	be	VBZ
39142	3057	33	flowing	flow	VBG
39142	3057	34	out	out	RP
39142	3057	35	from	from	IN
39142	3057	36	the	the	DT
39142	3057	37	nucleus	nucleus	NN
39142	3057	38	into	into	IN
39142	3057	39	the	the	DT
39142	3057	40	branches	branch	NNS
39142	3057	41	.	.	.
39142	3058	1	Which	which	WDT
39142	3058	2	of	of	IN
39142	3058	3	the	the	DT
39142	3058	4	two	two	CD
39142	3058	5	directions	direction	NNS
39142	3058	6	does	do	VBZ
39142	3058	7	not	not	RB
39142	3058	8	matter	matter	VB
39142	3058	9	,	,	,
39142	3058	10	because	because	IN
39142	3058	11	in	in	IN
39142	3058	12	either	either	DT
39142	3058	13	case	case	NN
39142	3058	14	there	there	EX
39142	3058	15	would	would	MD
39142	3058	16	be	be	VB
39142	3058	17	currents	current	NNS
39142	3058	18	of	of	IN
39142	3058	19	matter	matter	NN
39142	3058	20	in	in	IN
39142	3058	21	opposite	opposite	JJ
39142	3058	22	directions	direction	NNS
39142	3058	23	at	at	IN
39142	3058	24	the	the	DT
39142	3058	25	points	point	NNS
39142	3058	26	where	where	WRB
39142	3058	27	the	the	DT
39142	3058	28	arms	arm	NNS
39142	3058	29	merge	merge	VBP
39142	3058	30	in	in	IN
39142	3058	31	the	the	DT
39142	3058	32	central	central	JJ
39142	3058	33	aggregation	aggregation	NN
39142	3058	34	.	.	.
39142	3059	1	The	the	DT
39142	3059	2	currents	current	NNS
39142	3059	3	continue	continue	VBP
39142	3059	4	through	through	IN
39142	3059	5	the	the	DT
39142	3059	6	center	center	NN
39142	3059	7	,	,	,
39142	3059	8	because	because	IN
39142	3059	9	the	the	DT
39142	3059	10	stars	star	NNS
39142	3059	11	do	do	VBP
39142	3059	12	not	not	RB
39142	3059	13	interfere	interfere	VB
39142	3059	14	with	with	IN
39142	3059	15	one	one	CD
39142	3059	16	another	another	DT
39142	3059	17	's	's	POS
39142	3059	18	paths	path	NNS
39142	3059	19	.	.	.
39142	3060	1	As	as	IN
39142	3060	2	Eddington	Eddington	NNP
39142	3060	3	concludes	conclude	VBZ
39142	3060	4	:	:	:
39142	3060	5	"	"	``
39142	3060	6	There	there	RB
39142	3060	7	then	then	RB
39142	3060	8	we	-PRON-	PRP
39142	3060	9	have	have	VBP
39142	3060	10	an	an	DT
39142	3060	11	explanation	explanation	NN
39142	3060	12	of	of	IN
39142	3060	13	the	the	DT
39142	3060	14	prevalence	prevalence	NN
39142	3060	15	of	of	IN
39142	3060	16	motions	motion	NNS
39142	3060	17	to	to	IN
39142	3060	18	and	and	CC
39142	3060	19	fro	fro	NNP
39142	3060	20	in	in	IN
39142	3060	21	a	a	DT
39142	3060	22	particular	particular	JJ
39142	3060	23	straight	straight	JJ
39142	3060	24	line	line	NN
39142	3060	25	;	;	:
39142	3060	26	it	-PRON-	PRP
39142	3060	27	is	be	VBZ
39142	3060	28	the	the	DT
39142	3060	29	line	line	NN
39142	3060	30	from	from	IN
39142	3060	31	which	which	WDT
39142	3060	32	the	the	DT
39142	3060	33	spiral	spiral	JJ
39142	3060	34	branches	branch	NNS
39142	3060	35	start	start	VBP
39142	3060	36	out	out	RP
39142	3060	37	.	.	.
39142	3061	1	The	the	DT
39142	3061	2	two	two	CD
39142	3061	3	star	star	NN
39142	3061	4	streams	stream	NNS
39142	3061	5	and	and	CC
39142	3061	6	the	the	DT
39142	3061	7	double	double	JJ
39142	3061	8	-	-	HYPH
39142	3061	9	branched	branched	JJ
39142	3061	10	spirals	spiral	NNS
39142	3061	11	arise	arise	VBP
39142	3061	12	from	from	IN
39142	3061	13	the	the	DT
39142	3061	14	same	same	JJ
39142	3061	15	cause	cause	NN
39142	3061	16	.	.	.
39142	3061	17	"	"	''
39142	3062	1	CHAPTER	chapter	NN
39142	3062	2	LVII	LVII	NNP
39142	3062	3	THE	the	DT
39142	3062	4	GALAXY	GALAXY	NNP
39142	3062	5	OR	OR	NNP
39142	3062	6	MILKY	MILKY	NNP
39142	3062	7	WAY	WAY	NNP
39142	3062	8	Grandest	Grandest	NNP
39142	3062	9	of	of	IN
39142	3062	10	all	all	PDT
39142	3062	11	the	the	DT
39142	3062	12	problems	problem	NNS
39142	3062	13	that	that	WDT
39142	3062	14	have	have	VBP
39142	3062	15	occupied	occupy	VBN
39142	3062	16	the	the	DT
39142	3062	17	mind	mind	NN
39142	3062	18	of	of	IN
39142	3062	19	man	man	NN
39142	3062	20	is	be	VBZ
39142	3062	21	the	the	DT
39142	3062	22	distribution	distribution	NN
39142	3062	23	of	of	IN
39142	3062	24	the	the	DT
39142	3062	25	stars	star	NNS
39142	3062	26	throughout	throughout	IN
39142	3062	27	space	space	NN
39142	3062	28	.	.	.
39142	3063	1	To	to	IN
39142	3063	2	the	the	DT
39142	3063	3	earliest	early	JJS
39142	3063	4	astronomers	astronomer	NNS
39142	3063	5	who	who	WP
39142	3063	6	knew	know	VBD
39142	3063	7	nothing	nothing	NN
39142	3063	8	about	about	IN
39142	3063	9	the	the	DT
39142	3063	10	distances	distance	NNS
39142	3063	11	of	of	IN
39142	3063	12	the	the	DT
39142	3063	13	stars	star	NNS
39142	3063	14	,	,	,
39142	3063	15	it	-PRON-	PRP
39142	3063	16	was	be	VBD
39142	3063	17	not	not	RB
39142	3063	18	much	much	JJ
39142	3063	19	of	of	IN
39142	3063	20	a	a	DT
39142	3063	21	problem	problem	NN
39142	3063	22	because	because	IN
39142	3063	23	they	-PRON-	PRP
39142	3063	24	thought	think	VBD
39142	3063	25	all	all	PDT
39142	3063	26	the	the	DT
39142	3063	27	fixed	fix	VBN
39142	3063	28	stars	star	NNS
39142	3063	29	were	be	VBD
39142	3063	30	attached	attach	VBN
39142	3063	31	to	to	IN
39142	3063	32	a	a	DT
39142	3063	33	revolving	revolving	JJ
39142	3063	34	sphere	sphere	NN
39142	3063	35	,	,	,
39142	3063	36	and	and	CC
39142	3063	37	therefore	therefore	RB
39142	3063	38	all	all	RB
39142	3063	39	at	at	IN
39142	3063	40	essentially	essentially	RB
39142	3063	41	the	the	DT
39142	3063	42	same	same	JJ
39142	3063	43	distance	distance	NN
39142	3063	44	;	;	:
39142	3063	45	a	a	DT
39142	3063	46	very	very	RB
39142	3063	47	moderate	moderate	JJ
39142	3063	48	distance	distance	NN
39142	3063	49	,	,	,
39142	3063	50	too	too	RB
39142	3063	51	.	.	.
39142	3064	1	Even	even	RB
39142	3064	2	Kepler	Kepler	NNP
39142	3064	3	held	hold	VBD
39142	3064	4	the	the	DT
39142	3064	5	idea	idea	NN
39142	3064	6	that	that	IN
39142	3064	7	the	the	DT
39142	3064	8	distances	distance	NNS
39142	3064	9	of	of	IN
39142	3064	10	individual	individual	JJ
39142	3064	11	stars	star	NNS
39142	3064	12	from	from	IN
39142	3064	13	each	each	DT
39142	3064	14	other	other	JJ
39142	3064	15	are	be	VBP
39142	3064	16	much	much	RB
39142	3064	17	less	less	JJR
39142	3064	18	than	than	IN
39142	3064	19	their	-PRON-	PRP$
39142	3064	20	distances	distance	NNS
39142	3064	21	from	from	IN
39142	3064	22	our	-PRON-	PRP$
39142	3064	23	sun	sun	NN
39142	3064	24	.	.	.
39142	3065	1	Thomas	Thomas	NNP
39142	3065	2	Wright	Wright	NNP
39142	3065	3	,	,	,
39142	3065	4	of	of	IN
39142	3065	5	Durham	Durham	NNP
39142	3065	6	,	,	,
39142	3065	7	England	England	NNP
39142	3065	8	,	,	,
39142	3065	9	seems	seem	VBZ
39142	3065	10	to	to	TO
39142	3065	11	have	have	VB
39142	3065	12	been	be	VBN
39142	3065	13	the	the	DT
39142	3065	14	first	first	JJ
39142	3065	15	to	to	TO
39142	3065	16	suggest	suggest	VB
39142	3065	17	the	the	DT
39142	3065	18	modern	modern	JJ
39142	3065	19	theory	theory	NN
39142	3065	20	of	of	IN
39142	3065	21	the	the	DT
39142	3065	22	structure	structure	NN
39142	3065	23	of	of	IN
39142	3065	24	the	the	DT
39142	3065	25	stellar	stellar	JJ
39142	3065	26	universe	universe	NN
39142	3065	27	,	,	,
39142	3065	28	about	about	IN
39142	3065	29	the	the	DT
39142	3065	30	middle	middle	NN
39142	3065	31	of	of	IN
39142	3065	32	the	the	DT
39142	3065	33	eighteenth	eighteenth	JJ
39142	3065	34	century	century	NN
39142	3065	35	.	.	.
39142	3066	1	His	-PRON-	PRP$
39142	3066	2	idea	idea	NN
39142	3066	3	was	be	VBD
39142	3066	4	taken	take	VBN
39142	3066	5	up	up	RP
39142	3066	6	by	by	IN
39142	3066	7	Kant	Kant	NNP
39142	3066	8	who	who	WP
39142	3066	9	elaborated	elaborate	VBD
39142	3066	10	it	-PRON-	PRP
39142	3066	11	more	more	RBR
39142	3066	12	fully	fully	RB
39142	3066	13	.	.	.
39142	3067	1	It	-PRON-	PRP
39142	3067	2	is	be	VBZ
39142	3067	3	founded	found	VBN
39142	3067	4	on	on	IN
39142	3067	5	the	the	DT
39142	3067	6	Galaxy	Galaxy	NNP
39142	3067	7	,	,	,
39142	3067	8	the	the	DT
39142	3067	9	basal	basal	NN
39142	3067	10	plane	plane	NN
39142	3067	11	of	of	IN
39142	3067	12	stellar	stellar	JJ
39142	3067	13	distribution	distribution	NN
39142	3067	14	,	,	,
39142	3067	15	just	just	RB
39142	3067	16	as	as	IN
39142	3067	17	the	the	DT
39142	3067	18	ecliptic	ecliptic	NN
39142	3067	19	is	be	VBZ
39142	3067	20	the	the	DT
39142	3067	21	fundamental	fundamental	JJ
39142	3067	22	circle	circle	NN
39142	3067	23	of	of	IN
39142	3067	24	reference	reference	NN
39142	3067	25	in	in	IN
39142	3067	26	the	the	DT
39142	3067	27	solar	solar	JJ
39142	3067	28	system	system	NN
39142	3067	29	.	.	.
39142	3068	1	What	what	WP
39142	3068	2	is	be	VBZ
39142	3068	3	the	the	DT
39142	3068	4	Galaxy	Galaxy	NNP
39142	3068	5	or	or	CC
39142	3068	6	Milky	Milky	NNP
39142	3068	7	Way	Way	NNP
39142	3068	8	?	?	.
39142	3069	1	Here	here	RB
39142	3069	2	is	be	VBZ
39142	3069	3	a	a	DT
39142	3069	4	great	great	JJ
39142	3069	5	poet	poet	NN
39142	3069	6	's	's	POS
39142	3069	7	view	view	NN
39142	3069	8	of	of	IN
39142	3069	9	the	the	DT
39142	3069	10	most	most	RBS
39142	3069	11	poetic	poetic	JJ
39142	3069	12	object	object	NN
39142	3069	13	in	in	IN
39142	3069	14	all	all	DT
39142	3069	15	nature	nature	NN
39142	3069	16	:	:	:
39142	3069	17	A	a	DT
39142	3069	18	broad	broad	JJ
39142	3069	19	and	and	CC
39142	3069	20	ample	ample	JJ
39142	3069	21	road	road	NN
39142	3069	22	,	,	,
39142	3069	23	whose	whose	WP$
39142	3069	24	dust	dust	NN
39142	3069	25	is	be	VBZ
39142	3069	26	gold	gold	NN
39142	3069	27	,	,	,
39142	3069	28	And	and	CC
39142	3069	29	pavement	pavement	NN
39142	3069	30	stars	star	NNS
39142	3069	31	,	,	,
39142	3069	32	as	as	IN
39142	3069	33	stars	star	NNS
39142	3069	34	to	to	IN
39142	3069	35	thee	thee	NN
39142	3069	36	appear	appear	VB
39142	3069	37	Seen	see	VBN
39142	3069	38	in	in	IN
39142	3069	39	the	the	DT
39142	3069	40	Galaxy	Galaxy	NNP
39142	3069	41	,	,	,
39142	3069	42	that	that	IN
39142	3069	43	Milky	Milky	NNP
39142	3069	44	Way	Way	NNP
39142	3069	45	Which	which	WDT
39142	3069	46	nightly	nightly	RB
39142	3069	47	as	as	IN
39142	3069	48	a	a	DT
39142	3069	49	circling	circle	VBG
39142	3069	50	zone	zone	NN
39142	3069	51	thou	thou	NNP
39142	3069	52	seest	seest	NNP
39142	3069	53	Powder'd	Powder'd	NNP
39142	3069	54	with	with	IN
39142	3069	55	stars	star	NNS
39142	3069	56	.	.	.
39142	3070	1	_	_	NNP
39142	3070	2	Milton	Milton	NNP
39142	3070	3	,	,	,
39142	3070	4	P.	P.	NNP
39142	3070	5	L.	L.	NNP
39142	3070	6	_	_	NNP
39142	3070	7	vii	vii	NN
39142	3070	8	,	,	,
39142	3070	9	580	580	CD
39142	3070	10	.	.	.
39142	3071	1	Were	be	VBD
39142	3071	2	the	the	DT
39142	3071	3	earth	earth	NN
39142	3071	4	transparent	transparent	JJ
39142	3071	5	as	as	IN
39142	3071	6	crystal	crystal	NN
39142	3071	7	,	,	,
39142	3071	8	so	so	IN
39142	3071	9	that	that	IN
39142	3071	10	we	-PRON-	PRP
39142	3071	11	could	could	MD
39142	3071	12	see	see	VB
39142	3071	13	downward	downward	RB
39142	3071	14	through	through	IN
39142	3071	15	it	-PRON-	PRP
39142	3071	16	and	and	CC
39142	3071	17	outward	outward	RB
39142	3071	18	in	in	IN
39142	3071	19	all	all	DT
39142	3071	20	directions	direction	NNS
39142	3071	21	to	to	IN
39142	3071	22	the	the	DT
39142	3071	23	celestial	celestial	JJ
39142	3071	24	sphere	sphere	NN
39142	3071	25	,	,	,
39142	3071	26	the	the	DT
39142	3071	27	Galaxy	Galaxy	NNP
39142	3071	28	or	or	CC
39142	3071	29	Milky	Milky	NNP
39142	3071	30	Way	Way	NNP
39142	3071	31	would	would	MD
39142	3071	32	appear	appear	VB
39142	3071	33	as	as	IN
39142	3071	34	a	a	DT
39142	3071	35	belt	belt	NN
39142	3071	36	or	or	CC
39142	3071	37	zone	zone	NN
39142	3071	38	of	of	IN
39142	3071	39	cloudlike	cloudlike	NNP
39142	3071	40	luminosity	luminosity	NN
39142	3071	41	extending	extend	VBG
39142	3071	42	all	all	PDT
39142	3071	43	the	the	DT
39142	3071	44	way	way	NN
39142	3071	45	round	round	IN
39142	3071	46	the	the	DT
39142	3071	47	heavens	heavens	NNPS
39142	3071	48	.	.	.
39142	3072	1	As	as	IN
39142	3072	2	the	the	DT
39142	3072	3	horizon	horizon	NN
39142	3072	4	cuts	cut	VBZ
39142	3072	5	the	the	DT
39142	3072	6	celestial	celestial	JJ
39142	3072	7	sphere	sphere	NN
39142	3072	8	in	in	IN
39142	3072	9	two	two	CD
39142	3072	10	,	,	,
39142	3072	11	we	-PRON-	PRP
39142	3072	12	see	see	VBP
39142	3072	13	at	at	IN
39142	3072	14	anyone	anyone	NN
39142	3072	15	time	time	NN
39142	3072	16	only	only	RB
39142	3072	17	one	one	CD
39142	3072	18	-	-	HYPH
39142	3072	19	half	half	NN
39142	3072	20	of	of	IN
39142	3072	21	the	the	DT
39142	3072	22	Milky	Milky	NNP
39142	3072	23	Way	Way	NNP
39142	3072	24	,	,	,
39142	3072	25	spanning	span	VBG
39142	3072	26	the	the	DT
39142	3072	27	dome	dome	NN
39142	3072	28	of	of	IN
39142	3072	29	the	the	DT
39142	3072	30	sky	sky	NN
39142	3072	31	as	as	IN
39142	3072	32	a	a	DT
39142	3072	33	cloudlike	cloudlike	NN
39142	3072	34	arch	arch	NN
39142	3072	35	.	.	.
39142	3073	1	As	as	IN
39142	3073	2	the	the	DT
39142	3073	3	general	general	JJ
39142	3073	4	plane	plane	NN
39142	3073	5	of	of	IN
39142	3073	6	the	the	DT
39142	3073	7	Galaxy	Galaxy	NNP
39142	3073	8	makes	make	VBZ
39142	3073	9	a	a	DT
39142	3073	10	large	large	JJ
39142	3073	11	angle	angle	NN
39142	3073	12	with	with	IN
39142	3073	13	our	-PRON-	PRP$
39142	3073	14	equator	equator	NN
39142	3073	15	,	,	,
39142	3073	16	the	the	DT
39142	3073	17	Milky	Milky	NNP
39142	3073	18	Way	Way	NNP
39142	3073	19	is	be	VBZ
39142	3073	20	continually	continually	RB
39142	3073	21	changing	change	VBG
39142	3073	22	its	-PRON-	PRP$
39142	3073	23	angle	angle	NN
39142	3073	24	with	with	IN
39142	3073	25	the	the	DT
39142	3073	26	horizon	horizon	NN
39142	3073	27	,	,	,
39142	3073	28	so	so	IN
39142	3073	29	that	that	IN
39142	3073	30	it	-PRON-	PRP
39142	3073	31	rises	rise	VBZ
39142	3073	32	at	at	IN
39142	3073	33	different	different	JJ
39142	3073	34	elevations	elevation	NNS
39142	3073	35	.	.	.
39142	3074	1	One	one	CD
39142	3074	2	-	-	HYPH
39142	3074	3	half	half	NN
39142	3074	4	of	of	IN
39142	3074	5	the	the	DT
39142	3074	6	Milky	Milky	NNP
39142	3074	7	Way	Way	NNP
39142	3074	8	will	will	MD
39142	3074	9	always	always	RB
39142	3074	10	be	be	VB
39142	3074	11	below	below	IN
39142	3074	12	our	-PRON-	PRP$
39142	3074	13	horizon	horizon	NN
39142	3074	14	,	,	,
39142	3074	15	and	and	CC
39142	3074	16	a	a	DT
39142	3074	17	small	small	JJ
39142	3074	18	region	region	NN
39142	3074	19	of	of	IN
39142	3074	20	it	-PRON-	PRP
39142	3074	21	lies	lie	VBZ
39142	3074	22	so	so	RB
39142	3074	23	near	near	IN
39142	3074	24	the	the	DT
39142	3074	25	south	south	NNP
39142	3074	26	pole	pole	NNP
39142	3074	27	of	of	IN
39142	3074	28	the	the	DT
39142	3074	29	heavens	heavens	NNPS
39142	3074	30	that	that	WDT
39142	3074	31	it	-PRON-	PRP
39142	3074	32	can	can	MD
39142	3074	33	never	never	RB
39142	3074	34	be	be	VB
39142	3074	35	seen	see	VBN
39142	3074	36	from	from	IN
39142	3074	37	medium	medium	JJ
39142	3074	38	northern	northern	JJ
39142	3074	39	latitudes	latitude	NNS
39142	3074	40	.	.	.
39142	3075	1	Galileo	Galileo	NNP
39142	3075	2	was	be	VBD
39142	3075	3	the	the	DT
39142	3075	4	first	first	JJ
39142	3075	5	to	to	TO
39142	3075	6	explain	explain	VB
39142	3075	7	the	the	DT
39142	3075	8	fundamental	fundamental	JJ
39142	3075	9	mystery	mystery	NN
39142	3075	10	of	of	IN
39142	3075	11	this	this	DT
39142	3075	12	belt	belt	NN
39142	3075	13	,	,	,
39142	3075	14	when	when	WRB
39142	3075	15	he	-PRON-	PRP
39142	3075	16	turned	turn	VBD
39142	3075	17	his	-PRON-	PRP$
39142	3075	18	telescope	telescope	NN
39142	3075	19	upon	upon	IN
39142	3075	20	it	-PRON-	PRP
39142	3075	21	and	and	CC
39142	3075	22	found	find	VBD
39142	3075	23	that	that	IN
39142	3075	24	it	-PRON-	PRP
39142	3075	25	was	be	VBD
39142	3075	26	not	not	RB
39142	3075	27	a	a	DT
39142	3075	28	continuous	continuous	JJ
39142	3075	29	sheet	sheet	NN
39142	3075	30	of	of	IN
39142	3075	31	faint	faint	JJ
39142	3075	32	light	light	NN
39142	3075	33	,	,	,
39142	3075	34	as	as	IN
39142	3075	35	it	-PRON-	PRP
39142	3075	36	seemed	seem	VBD
39142	3075	37	to	to	TO
39142	3075	38	be	be	VB
39142	3075	39	,	,	,
39142	3075	40	but	but	CC
39142	3075	41	was	be	VBD
39142	3075	42	made	make	VBN
39142	3075	43	up	up	RP
39142	3075	44	of	of	IN
39142	3075	45	countless	countless	JJ
39142	3075	46	numbers	number	NNS
39142	3075	47	of	of	IN
39142	3075	48	stars	star	NNS
39142	3075	49	,	,	,
39142	3075	50	individually	individually	RB
39142	3075	51	too	too	RB
39142	3075	52	faint	faint	JJ
39142	3075	53	to	to	TO
39142	3075	54	be	be	VB
39142	3075	55	visible	visible	JJ
39142	3075	56	to	to	IN
39142	3075	57	the	the	DT
39142	3075	58	naked	naked	JJ
39142	3075	59	eye	eye	NN
39142	3075	60	,	,	,
39142	3075	61	but	but	CC
39142	3075	62	whose	whose	WP$
39142	3075	63	vast	vast	JJ
39142	3075	64	number	number	NN
39142	3075	65	,	,	,
39142	3075	66	taken	take	VBN
39142	3075	67	in	in	IN
39142	3075	68	the	the	DT
39142	3075	69	aggregate	aggregate	NN
39142	3075	70	,	,	,
39142	3075	71	gave	give	VBD
39142	3075	72	the	the	DT
39142	3075	73	well	well	RB
39142	3075	74	-	-	HYPH
39142	3075	75	known	know	VBN
39142	3075	76	effect	effect	NN
39142	3075	77	which	which	WDT
39142	3075	78	we	-PRON-	PRP
39142	3075	79	see	see	VBP
39142	3075	80	in	in	IN
39142	3075	81	the	the	DT
39142	3075	82	sky	sky	NN
39142	3075	83	.	.	.
39142	3076	1	In	in	IN
39142	3076	2	some	some	DT
39142	3076	3	regions	region	NNS
39142	3076	4	,	,	,
39142	3076	5	as	as	IN
39142	3076	6	Perseus	Perseus	NNP
39142	3076	7	,	,	,
39142	3076	8	the	the	DT
39142	3076	9	stars	star	NNS
39142	3076	10	are	be	VBP
39142	3076	11	more	more	RBR
39142	3076	12	numerous	numerous	JJ
39142	3076	13	than	than	IN
39142	3076	14	in	in	IN
39142	3076	15	others	other	NNS
39142	3076	16	,	,	,
39142	3076	17	and	and	CC
39142	3076	18	they	-PRON-	PRP
39142	3076	19	are	be	VBP
39142	3076	20	gathered	gather	VBN
39142	3076	21	in	in	IN
39142	3076	22	close	close	JJ
39142	3076	23	clusters	cluster	NNS
39142	3076	24	.	.	.
39142	3077	1	The	the	DT
39142	3077	2	larger	large	JJR
39142	3077	3	the	the	DT
39142	3077	4	telescope	telescope	NN
39142	3077	5	we	-PRON-	PRP
39142	3077	6	employ	employ	VBP
39142	3077	7	,	,	,
39142	3077	8	the	the	DT
39142	3077	9	greater	great	JJR
39142	3077	10	the	the	DT
39142	3077	11	number	number	NN
39142	3077	12	of	of	IN
39142	3077	13	stars	star	NNS
39142	3077	14	that	that	WDT
39142	3077	15	are	be	VBP
39142	3077	16	seen	see	VBN
39142	3077	17	as	as	IN
39142	3077	18	we	-PRON-	PRP
39142	3077	19	approach	approach	VBP
39142	3077	20	the	the	DT
39142	3077	21	Galaxy	Galaxy	NNP
39142	3077	22	on	on	IN
39142	3077	23	either	either	DT
39142	3077	24	side	side	NN
39142	3077	25	;	;	:
39142	3077	26	and	and	CC
39142	3077	27	the	the	DT
39142	3077	28	farther	far	RBR
39142	3077	29	we	-PRON-	PRP
39142	3077	30	recede	recede	VBP
39142	3077	31	from	from	IN
39142	3077	32	the	the	DT
39142	3077	33	Galaxy	Galaxy	NNP
39142	3077	34	and	and	CC
39142	3077	35	approach	approach	VB
39142	3077	36	either	either	RB
39142	3077	37	of	of	IN
39142	3077	38	its	-PRON-	PRP$
39142	3077	39	poles	pole	NNS
39142	3077	40	fewer	fewer	RBR
39142	3077	41	and	and	CC
39142	3077	42	fewer	few	JJR
39142	3077	43	stars	star	NNS
39142	3077	44	are	be	VBP
39142	3077	45	found	find	VBN
39142	3077	46	.	.	.
39142	3078	1	Indeed	indeed	RB
39142	3078	2	,	,	,
39142	3078	3	if	if	IN
39142	3078	4	all	all	PDT
39142	3078	5	the	the	DT
39142	3078	6	stars	star	NNS
39142	3078	7	visible	visible	JJ
39142	3078	8	in	in	IN
39142	3078	9	a	a	DT
39142	3078	10	12-inch	12-inch	CD
39142	3078	11	telescope	telescope	NN
39142	3078	12	could	could	MD
39142	3078	13	be	be	VB
39142	3078	14	conceived	conceive	VBN
39142	3078	15	as	as	IN
39142	3078	16	blotted	blot	VBN
39142	3078	17	out	out	RP
39142	3078	18	,	,	,
39142	3078	19	nearly	nearly	RB
39142	3078	20	all	all	PDT
39142	3078	21	the	the	DT
39142	3078	22	stars	star	NNS
39142	3078	23	that	that	WDT
39142	3078	24	are	be	VBP
39142	3078	25	left	leave	VBN
39142	3078	26	would	would	MD
39142	3078	27	be	be	VB
39142	3078	28	found	find	VBN
39142	3078	29	in	in	IN
39142	3078	30	the	the	DT
39142	3078	31	Galaxy	Galaxy	NNP
39142	3078	32	itself	-PRON-	PRP
39142	3078	33	.	.	.
39142	3079	1	The	the	DT
39142	3079	2	naked	naked	JJ
39142	3079	3	eye	eye	NN
39142	3079	4	readily	readily	RB
39142	3079	5	notes	note	VBZ
39142	3079	6	the	the	DT
39142	3079	7	variations	variation	NNS
39142	3079	8	in	in	IN
39142	3079	9	breadth	breadth	NN
39142	3079	10	and	and	CC
39142	3079	11	brightness	brightness	NN
39142	3079	12	of	of	IN
39142	3079	13	the	the	DT
39142	3079	14	galactic	galactic	JJ
39142	3079	15	zone	zone	NN
39142	3079	16	.	.	.
39142	3080	1	Nearly	nearly	RB
39142	3080	2	a	a	DT
39142	3080	3	third	third	JJ
39142	3080	4	of	of	IN
39142	3080	5	it	-PRON-	PRP
39142	3080	6	,	,	,
39142	3080	7	from	from	IN
39142	3080	8	Scorpio	Scorpio	NNP
39142	3080	9	to	to	IN
39142	3080	10	Cygnus	Cygnus	NNP
39142	3080	11	,	,	,
39142	3080	12	is	be	VBZ
39142	3080	13	split	split	VBN
39142	3080	14	into	into	IN
39142	3080	15	two	two	CD
39142	3080	16	divisions	division	NNS
39142	3080	17	nearly	nearly	RB
39142	3080	18	parallel	parallel	JJ
39142	3080	19	.	.	.
39142	3081	1	In	in	IN
39142	3081	2	many	many	JJ
39142	3081	3	regions	region	NNS
39142	3081	4	its	-PRON-	PRP$
39142	3081	5	light	light	NN
39142	3081	6	is	be	VBZ
39142	3081	7	interrupted	interrupt	VBN
39142	3081	8	,	,	,
39142	3081	9	especially	especially	RB
39142	3081	10	in	in	IN
39142	3081	11	Centaurus	Centaurus	NNP
39142	3081	12	,	,	,
39142	3081	13	where	where	WRB
39142	3081	14	a	a	DT
39142	3081	15	dark	dark	JJ
39142	3081	16	starless	starless	NN
39142	3081	17	region	region	NN
39142	3081	18	exists	exist	VBZ
39142	3081	19	,	,	,
39142	3081	20	known	know	VBN
39142	3081	21	as	as	IN
39142	3081	22	the	the	DT
39142	3081	23	"	"	``
39142	3081	24	coal	coal	NN
39142	3081	25	sack	sack	NN
39142	3081	26	.	.	.
39142	3081	27	"	"	''
39142	3082	1	Sir	Sir	NNP
39142	3082	2	John	John	NNP
39142	3082	3	Herschel	Herschel	NNP
39142	3082	4	,	,	,
39142	3082	5	who	who	WP
39142	3082	6	followed	follow	VBD
39142	3082	7	up	up	RP
39142	3082	8	the	the	DT
39142	3082	9	stellar	stellar	JJ
39142	3082	10	researches	research	NNS
39142	3082	11	of	of	IN
39142	3082	12	his	-PRON-	PRP$
39142	3082	13	father	father	NN
39142	3082	14	,	,	,
39142	3082	15	Sir	Sir	NNP
39142	3082	16	William	William	NNP
39142	3082	17	,	,	,
39142	3082	18	in	in	IN
39142	3082	19	great	great	JJ
39142	3082	20	detail	detail	NN
39142	3082	21	,	,	,
39142	3082	22	places	place	VBZ
39142	3082	23	the	the	DT
39142	3082	24	north	north	NNP
39142	3082	25	pole	pole	NN
39142	3082	26	of	of	IN
39142	3082	27	the	the	DT
39142	3082	28	Galactic	galactic	JJ
39142	3082	29	plane	plane	NN
39142	3082	30	in	in	IN
39142	3082	31	declination	declination	NN
39142	3082	32	37	37	CD
39142	3082	33	degrees	degree	NNS
39142	3082	34	N.	n.	NN
39142	3082	35	,	,	,
39142	3082	36	and	and	CC
39142	3082	37	right	right	JJ
39142	3082	38	ascension	ascension	NN
39142	3082	39	12	12	CD
39142	3082	40	h.	h.	NN
39142	3082	41	47	47	CD
39142	3082	42	m.	m.	NN
39142	3082	43	This	this	DT
39142	3082	44	makes	make	VBZ
39142	3082	45	the	the	DT
39142	3082	46	plane	plane	NN
39142	3082	47	of	of	IN
39142	3082	48	the	the	DT
39142	3082	49	Milky	Milky	NNP
39142	3082	50	Way	Way	NNP
39142	3082	51	lie	lie	VBP
39142	3082	52	at	at	IN
39142	3082	53	an	an	DT
39142	3082	54	angle	angle	NN
39142	3082	55	of	of	IN
39142	3082	56	about	about	RB
39142	3082	57	60	60	CD
39142	3082	58	degrees	degree	NNS
39142	3082	59	with	with	IN
39142	3082	60	the	the	DT
39142	3082	61	ecliptic	ecliptic	NN
39142	3082	62	,	,	,
39142	3082	63	which	which	WDT
39142	3082	64	it	-PRON-	PRP
39142	3082	65	intersects	intersect	VBZ
39142	3082	66	not	not	RB
39142	3082	67	far	far	RB
39142	3082	68	from	from	IN
39142	3082	69	the	the	DT
39142	3082	70	solstices	solstice	NNS
39142	3082	71	.	.	.
39142	3083	1	Now	now	RB
39142	3083	2	Kant	Kant	NNP
39142	3083	3	,	,	,
39142	3083	4	in	in	IN
39142	3083	5	view	view	NN
39142	3083	6	of	of	IN
39142	3083	7	the	the	DT
39142	3083	8	two	two	CD
39142	3083	9	great	great	JJ
39142	3083	10	facts	fact	NNS
39142	3083	11	about	about	IN
39142	3083	12	the	the	DT
39142	3083	13	Galaxy	Galaxy	NNP
39142	3083	14	known	know	VBN
39142	3083	15	in	in	IN
39142	3083	16	his	-PRON-	PRP$
39142	3083	17	time	time	NN
39142	3083	18	,	,	,
39142	3083	19	(	(	-LRB-
39142	3083	20	1	1	LS
39142	3083	21	)	)	-RRB-
39142	3083	22	that	that	IN
39142	3083	23	it	-PRON-	PRP
39142	3083	24	wholly	wholly	RB
39142	3083	25	encircles	encircle	VBZ
39142	3083	26	the	the	DT
39142	3083	27	heavens	heavens	NNPS
39142	3083	28	,	,	,
39142	3083	29	and	and	CC
39142	3083	30	(	(	-LRB-
39142	3083	31	2	2	LS
39142	3083	32	)	)	-RRB-
39142	3083	33	that	that	IN
39142	3083	34	it	-PRON-	PRP
39142	3083	35	is	be	VBZ
39142	3083	36	composed	compose	VBN
39142	3083	37	of	of	IN
39142	3083	38	countless	countless	JJ
39142	3083	39	stars	star	NNS
39142	3083	40	too	too	RB
39142	3083	41	faint	faint	JJ
39142	3083	42	to	to	TO
39142	3083	43	be	be	VB
39142	3083	44	individually	individually	RB
39142	3083	45	visible	visible	JJ
39142	3083	46	to	to	IN
39142	3083	47	the	the	DT
39142	3083	48	naked	naked	JJ
39142	3083	49	eye	eye	NN
39142	3083	50	,	,	,
39142	3083	51	drew	draw	VBD
39142	3083	52	the	the	DT
39142	3083	53	safe	safe	JJ
39142	3083	54	conclusions	conclusion	NNS
39142	3083	55	that	that	WDT
39142	3083	56	the	the	DT
39142	3083	57	system	system	NN
39142	3083	58	of	of	IN
39142	3083	59	the	the	DT
39142	3083	60	stars	star	NNS
39142	3083	61	must	must	MD
39142	3083	62	extend	extend	VB
39142	3083	63	much	much	RB
39142	3083	64	farther	farther	RB
39142	3083	65	in	in	IN
39142	3083	66	the	the	DT
39142	3083	67	direction	direction	NN
39142	3083	68	of	of	IN
39142	3083	69	the	the	DT
39142	3083	70	Milky	Milky	NNP
39142	3083	71	Way	Way	NNP
39142	3083	72	than	than	IN
39142	3083	73	in	in	IN
39142	3083	74	other	other	JJ
39142	3083	75	directions	direction	NNS
39142	3083	76	.	.	.
39142	3084	1	This	this	DT
39142	3084	2	theory	theory	NN
39142	3084	3	of	of	IN
39142	3084	4	Kant	Kant	NNP
39142	3084	5	was	be	VBD
39142	3084	6	next	next	RB
39142	3084	7	investigated	investigate	VBN
39142	3084	8	from	from	IN
39142	3084	9	an	an	DT
39142	3084	10	observational	observational	JJ
39142	3084	11	standpoint	standpoint	NN
39142	3084	12	by	by	IN
39142	3084	13	Sir	Sir	NNP
39142	3084	14	William	William	NNP
39142	3084	15	Herschel	Herschel	NNP
39142	3084	16	,	,	,
39142	3084	17	the	the	DT
39142	3084	18	ultimate	ultimate	JJ
39142	3084	19	goal	goal	NN
39142	3084	20	of	of	IN
39142	3084	21	whose	whose	WP$
39142	3084	22	researches	research	NNS
39142	3084	23	was	be	VBD
39142	3084	24	always	always	RB
39142	3084	25	a	a	DT
39142	3084	26	knowledge	knowledge	NN
39142	3084	27	of	of	IN
39142	3084	28	the	the	DT
39142	3084	29	construction	construction	NN
39142	3084	30	of	of	IN
39142	3084	31	the	the	DT
39142	3084	32	heavens	heavens	NNPS
39142	3084	33	.	.	.
39142	3085	1	The	the	DT
39142	3085	2	present	present	JJ
39142	3085	3	conclusion	conclusion	NN
39142	3085	4	is	be	VBZ
39142	3085	5	that	that	IN
39142	3085	6	we	-PRON-	PRP
39142	3085	7	may	may	MD
39142	3085	8	regard	regard	VB
39142	3085	9	the	the	DT
39142	3085	10	stellar	stellar	JJ
39142	3085	11	bodies	body	NNS
39142	3085	12	of	of	IN
39142	3085	13	the	the	DT
39142	3085	14	sidereal	sidereal	JJ
39142	3085	15	universe	universe	NN
39142	3085	16	as	as	IN
39142	3085	17	scattered	scatter	VBN
39142	3085	18	,	,	,
39142	3085	19	without	without	IN
39142	3085	20	much	much	JJ
39142	3085	21	regard	regard	NN
39142	3085	22	to	to	IN
39142	3085	23	uniformity	uniformity	NN
39142	3085	24	,	,	,
39142	3085	25	throughout	throughout	IN
39142	3085	26	a	a	DT
39142	3085	27	vast	vast	JJ
39142	3085	28	space	space	NN
39142	3085	29	having	have	VBG
39142	3085	30	in	in	IN
39142	3085	31	general	general	JJ
39142	3085	32	the	the	DT
39142	3085	33	shape	shape	NN
39142	3085	34	of	of	IN
39142	3085	35	a	a	DT
39142	3085	36	thick	thick	JJ
39142	3085	37	watch	watch	NN
39142	3085	38	,	,	,
39142	3085	39	its	-PRON-	PRP$
39142	3085	40	thickness	thickness	NN
39142	3085	41	being	be	VBG
39142	3085	42	perhaps	perhaps	RB
39142	3085	43	one	one	CD
39142	3085	44	-	-	HYPH
39142	3085	45	tenth	tenth	NN
39142	3085	46	its	-PRON-	PRP$
39142	3085	47	diameter	diameter	NN
39142	3085	48	.	.	.
39142	3086	1	On	on	IN
39142	3086	2	both	both	DT
39142	3086	3	sides	side	NNS
39142	3086	4	of	of	IN
39142	3086	5	this	this	DT
39142	3086	6	disk	disk	NN
39142	3086	7	of	of	IN
39142	3086	8	stars	star	NNS
39142	3086	9	,	,	,
39142	3086	10	and	and	CC
39142	3086	11	clustered	cluster	VBN
39142	3086	12	about	about	IN
39142	3086	13	the	the	DT
39142	3086	14	poles	pole	NNS
39142	3086	15	of	of	IN
39142	3086	16	the	the	DT
39142	3086	17	sidereal	sidereal	JJ
39142	3086	18	system	system	NN
39142	3086	19	are	be	VBP
39142	3086	20	the	the	DT
39142	3086	21	regions	region	NNS
39142	3086	22	occupied	occupy	VBN
39142	3086	23	by	by	IN
39142	3086	24	vast	vast	JJ
39142	3086	25	numbers	number	NNS
39142	3086	26	of	of	IN
39142	3086	27	nebulæ	nebulæ	NN
39142	3086	28	.	.	.
39142	3087	1	The	the	DT
39142	3087	2	entire	entire	JJ
39142	3087	3	visible	visible	JJ
39142	3087	4	universe	universe	NN
39142	3087	5	,	,	,
39142	3087	6	then	then	RB
39142	3087	7	,	,	,
39142	3087	8	would	would	MD
39142	3087	9	be	be	VB
39142	3087	10	spheroidal	spheroidal	JJ
39142	3087	11	in	in	IN
39142	3087	12	general	general	JJ
39142	3087	13	shape	shape	NN
39142	3087	14	.	.	.
39142	3088	1	The	the	DT
39142	3088	2	plane	plane	NN
39142	3088	3	of	of	IN
39142	3088	4	the	the	DT
39142	3088	5	Milky	Milky	NNP
39142	3088	6	Way	Way	NNP
39142	3088	7	passes	pass	VBZ
39142	3088	8	through	through	IN
39142	3088	9	the	the	DT
39142	3088	10	middle	middle	NN
39142	3088	11	of	of	IN
39142	3088	12	this	this	DT
39142	3088	13	aggregation	aggregation	NN
39142	3088	14	of	of	IN
39142	3088	15	stars	star	NNS
39142	3088	16	and	and	CC
39142	3088	17	nebulæ	nebulæ	NN
39142	3088	18	,	,	,
39142	3088	19	and	and	CC
39142	3088	20	the	the	DT
39142	3088	21	solar	solar	JJ
39142	3088	22	system	system	NN
39142	3088	23	is	be	VBZ
39142	3088	24	near	near	IN
39142	3088	25	the	the	DT
39142	3088	26	center	center	NN
39142	3088	27	of	of	IN
39142	3088	28	the	the	DT
39142	3088	29	Milky	Milky	NNP
39142	3088	30	Way	Way	NNP
39142	3088	31	.	.	.
39142	3089	1	Throughout	throughout	IN
39142	3089	2	the	the	DT
39142	3089	3	watch	watch	NN
39142	3089	4	-	-	HYPH
39142	3089	5	form	form	NN
39142	3089	6	space	space	NN
39142	3089	7	the	the	DT
39142	3089	8	stars	star	NNS
39142	3089	9	are	be	VBP
39142	3089	10	clustered	cluster	VBN
39142	3089	11	irregularly	irregularly	RB
39142	3089	12	,	,	,
39142	3089	13	in	in	IN
39142	3089	14	varied	varied	JJ
39142	3089	15	and	and	CC
39142	3089	16	sometimes	sometimes	RB
39142	3089	17	fantastic	fantastic	JJ
39142	3089	18	forms	form	NNS
39142	3089	19	,	,	,
39142	3089	20	but	but	CC
39142	3089	21	without	without	IN
39142	3089	22	approach	approach	NN
39142	3089	23	to	to	TO
39142	3089	24	order	order	NN
39142	3089	25	or	or	CC
39142	3089	26	system	system	NN
39142	3089	27	.	.	.
39142	3090	1	If	if	IN
39142	3090	2	we	-PRON-	PRP
39142	3090	3	except	except	IN
39142	3090	4	some	some	DT
39142	3090	5	of	of	IN
39142	3090	6	the	the	DT
39142	3090	7	star	star	NN
39142	3090	8	groups	group	NNS
39142	3090	9	and	and	CC
39142	3090	10	star	star	NN
39142	3090	11	clusters	cluster	NNS
39142	3090	12	and	and	CC
39142	3090	13	consider	consider	VB
39142	3090	14	only	only	RB
39142	3090	15	the	the	DT
39142	3090	16	naked	naked	JJ
39142	3090	17	-	-	HYPH
39142	3090	18	eye	eye	NN
39142	3090	19	stars	star	NNS
39142	3090	20	,	,	,
39142	3090	21	we	-PRON-	PRP
39142	3090	22	find	find	VBP
39142	3090	23	them	-PRON-	PRP
39142	3090	24	scattered	scatter	VBN
39142	3090	25	with	with	IN
39142	3090	26	fair	fair	JJ
39142	3090	27	approach	approach	NN
39142	3090	28	to	to	IN
39142	3090	29	uniformity	uniformity	NN
39142	3090	30	.	.	.
39142	3091	1	[	[	-LRB-
39142	3091	2	Illustration	illustration	NN
39142	3091	3	:	:	:
39142	3091	4	STAR	STAR	NNP
39142	3091	5	CLOUDS	CLOUDS	NNP
39142	3091	6	AND	and	CC
39142	3091	7	BLACK	BLACK	NNP
39142	3091	8	HOLES	HOLES	NNP
39142	3091	9	IN	in	IN
39142	3091	10	SAGITTARIUS	SAGITTARIUS	NNP
39142	3091	11	.	.	.
39142	3092	1	The	the	DT
39142	3092	2	dark	dark	JJ
39142	3092	3	rifts	rift	NNS
39142	3092	4	and	and	CC
39142	3092	5	lanes	lane	NNS
39142	3092	6	resemble	resemble	VBP
39142	3092	7	those	those	DT
39142	3092	8	in	in	IN
39142	3092	9	the	the	DT
39142	3092	10	nearby	nearby	JJ
39142	3092	11	Milky	Milky	NNP
39142	3092	12	Way	Way	NNP
39142	3092	13	.	.	.
39142	3093	1	(	(	-LRB-
39142	3093	2	_	_	NNP
39142	3093	3	Photo	Photo	NNP
39142	3093	4	,	,	,
39142	3093	5	Yerkes	Yerkes	NNP
39142	3093	6	Observatory	Observatory	NNP
39142	3093	7	.	.	.
39142	3093	8	_	_	NNP
39142	3093	9	)	)	-RRB-
39142	3093	10	]	]	-RRB-
39142	3093	11	[	[	-LRB-
39142	3093	12	Illustration	illustration	NN
39142	3093	13	:	:	:
39142	3093	14	THE	the	DT
39142	3093	15	GREAT	great	JJ
39142	3093	16	NEBULA	NEBULA	NNP
39142	3093	17	OF	of	IN
39142	3093	18	ANDROMEDA	ANDROMEDA	NNP
39142	3093	19	,	,	,
39142	3093	20	LARGEST	LARGEST	NNP
39142	3093	21	(	(	-LRB-
39142	3093	22	APPARENTLY	APPARENTLY	NNP
39142	3093	23	)	)	-RRB-
39142	3093	24	OF	of	IN
39142	3093	25	ALL	all	PDT
39142	3093	26	THE	the	DT
39142	3093	27	SPIRAL	SPIRAL	NNP
39142	3093	28	NEBULÆ	NEBULÆ	NNP
39142	3093	29	.	.	.
39142	3094	1	This	this	DT
39142	3094	2	nebula	nebula	NN
39142	3094	3	can	can	MD
39142	3094	4	be	be	VB
39142	3094	5	seen	see	VBN
39142	3094	6	very	very	RB
39142	3094	7	faintly	faintly	RB
39142	3094	8	with	with	IN
39142	3094	9	the	the	DT
39142	3094	10	naked	naked	JJ
39142	3094	11	eye	eye	NN
39142	3094	12	,	,	,
39142	3094	13	but	but	CC
39142	3094	14	no	no	DT
39142	3094	15	telescope	telescope	NN
39142	3094	16	has	have	VBZ
39142	3094	17	yet	yet	RB
39142	3094	18	resolved	resolve	VBN
39142	3094	19	it	-PRON-	PRP
39142	3094	20	into	into	IN
39142	3094	21	separate	separate	JJ
39142	3094	22	stars	star	NNS
39142	3094	23	.	.	.
39142	3095	1	(	(	-LRB-
39142	3095	2	_	_	NNP
39142	3095	3	Photo	Photo	NNP
39142	3095	4	,	,	,
39142	3095	5	Yerkes	Yerkes	NNP
39142	3095	6	Observatory	Observatory	NNP
39142	3095	7	.	.	.
39142	3095	8	_	_	NNP
39142	3095	9	)	)	-RRB-
39142	3095	10	]	]	-RRB-
39142	3095	11	The	the	DT
39142	3095	12	watch	watch	NN
39142	3095	13	-	-	HYPH
39142	3095	14	shaped	shape	VBN
39142	3095	15	disk	disk	NN
39142	3095	16	is	be	VBZ
39142	3095	17	not	not	RB
39142	3095	18	to	to	TO
39142	3095	19	be	be	VB
39142	3095	20	understood	understand	VBN
39142	3095	21	as	as	IN
39142	3095	22	representing	represent	VBG
39142	3095	23	the	the	DT
39142	3095	24	actual	actual	JJ
39142	3095	25	form	form	NN
39142	3095	26	of	of	IN
39142	3095	27	the	the	DT
39142	3095	28	stellar	stellar	JJ
39142	3095	29	system	system	NN
39142	3095	30	,	,	,
39142	3095	31	but	but	CC
39142	3095	32	only	only	RB
39142	3095	33	in	in	IN
39142	3095	34	general	general	JJ
39142	3095	35	the	the	DT
39142	3095	36	limits	limit	NNS
39142	3095	37	within	within	IN
39142	3095	38	which	which	WDT
39142	3095	39	it	-PRON-	PRP
39142	3095	40	is	be	VBZ
39142	3095	41	for	for	IN
39142	3095	42	the	the	DT
39142	3095	43	most	most	JJS
39142	3095	44	part	part	NN
39142	3095	45	contained	contain	VBN
39142	3095	46	.	.	.
39142	3096	1	A	a	DT
39142	3096	2	vigorous	vigorous	JJ
39142	3096	3	attack	attack	NN
39142	3096	4	on	on	IN
39142	3096	5	the	the	DT
39142	3096	6	problem	problem	NN
39142	3096	7	of	of	IN
39142	3096	8	the	the	DT
39142	3096	9	evolution	evolution	NN
39142	3096	10	and	and	CC
39142	3096	11	structure	structure	NN
39142	3096	12	of	of	IN
39142	3096	13	the	the	DT
39142	3096	14	stellar	stellar	JJ
39142	3096	15	universe	universe	NN
39142	3096	16	as	as	IN
39142	3096	17	a	a	DT
39142	3096	18	whole	whole	NN
39142	3096	19	is	be	VBZ
39142	3096	20	now	now	RB
39142	3096	21	being	be	VBG
39142	3096	22	conducted	conduct	VBN
39142	3096	23	by	by	IN
39142	3096	24	cooperation	cooperation	NN
39142	3096	25	of	of	IN
39142	3096	26	many	many	JJ
39142	3096	27	observatories	observatory	NNS
39142	3096	28	in	in	IN
39142	3096	29	both	both	DT
39142	3096	30	hemispheres	hemisphere	NNS
39142	3096	31	.	.	.
39142	3097	1	It	-PRON-	PRP
39142	3097	2	is	be	VBZ
39142	3097	3	known	know	VBN
39142	3097	4	as	as	IN
39142	3097	5	the	the	DT
39142	3097	6	Kapteyn	Kapteyn	NNP
39142	3097	7	"	"	''
39142	3097	8	Plan	Plan	NNP
39142	3097	9	of	of	IN
39142	3097	10	Selected	Selected	NNP
39142	3097	11	Areas	Areas	NNPS
39142	3097	12	,	,	,
39142	3097	13	"	"	``
39142	3097	14	embracing	embrace	VBG
39142	3097	15	206	206	CD
39142	3097	16	regions	region	NNS
39142	3097	17	which	which	WDT
39142	3097	18	are	be	VBP
39142	3097	19	distributed	distribute	VBN
39142	3097	20	regularly	regularly	RB
39142	3097	21	over	over	IN
39142	3097	22	the	the	DT
39142	3097	23	entire	entire	JJ
39142	3097	24	sky	sky	NN
39142	3097	25	.	.	.
39142	3098	1	Besides	besides	IN
39142	3098	2	this	this	DT
39142	3098	3	a	a	DT
39142	3098	4	special	special	JJ
39142	3098	5	plan	plan	NN
39142	3098	6	includes	include	VBZ
39142	3098	7	forty	forty	CD
39142	3098	8	-	-	HYPH
39142	3098	9	six	six	CD
39142	3098	10	additional	additional	JJ
39142	3098	11	regions	region	NNS
39142	3098	12	,	,	,
39142	3098	13	either	either	CC
39142	3098	14	very	very	RB
39142	3098	15	rich	rich	JJ
39142	3098	16	or	or	CC
39142	3098	17	extremely	extremely	RB
39142	3098	18	poor	poor	JJ
39142	3098	19	in	in	IN
39142	3098	20	stars	star	NNS
39142	3098	21	,	,	,
39142	3098	22	or	or	CC
39142	3098	23	to	to	TO
39142	3098	24	which	which	WDT
39142	3098	25	other	other	JJ
39142	3098	26	interest	interest	NN
39142	3098	27	attaches	attache	NNS
39142	3098	28	.	.	.
39142	3099	1	Of	of	IN
39142	3099	2	all	all	DT
39142	3099	3	investigators	investigator	NNS
39142	3099	4	Kapteyn	Kapteyn	NNP
39142	3099	5	has	have	VBZ
39142	3099	6	gone	go	VBN
39142	3099	7	into	into	IN
39142	3099	8	the	the	DT
39142	3099	9	question	question	NN
39142	3099	10	of	of	IN
39142	3099	11	our	-PRON-	PRP$
39142	3099	12	precise	precise	JJ
39142	3099	13	location	location	NN
39142	3099	14	in	in	IN
39142	3099	15	the	the	DT
39142	3099	16	Milky	Milky	NNP
39142	3099	17	Way	Way	NNP
39142	3099	18	most	most	RBS
39142	3099	19	thoroughly	thoroughly	RB
39142	3099	20	,	,	,
39142	3099	21	concluding	conclude	VBG
39142	3099	22	that	that	IN
39142	3099	23	the	the	DT
39142	3099	24	solar	solar	JJ
39142	3099	25	system	system	NN
39142	3099	26	lies	lie	VBZ
39142	3099	27	,	,	,
39142	3099	28	not	not	RB
39142	3099	29	at	at	IN
39142	3099	30	the	the	DT
39142	3099	31	center	center	NN
39142	3099	32	in	in	IN
39142	3099	33	the	the	DT
39142	3099	34	exact	exact	JJ
39142	3099	35	plane	plane	NN
39142	3099	36	,	,	,
39142	3099	37	but	but	CC
39142	3099	38	somewhat	somewhat	RB
39142	3099	39	to	to	IN
39142	3099	40	the	the	DT
39142	3099	41	north	north	NN
39142	3099	42	of	of	IN
39142	3099	43	the	the	DT
39142	3099	44	Galaxy	Galaxy	NNP
39142	3099	45	.	.	.
39142	3100	1	Discussing	discuss	VBG
39142	3100	2	the	the	DT
39142	3100	3	Sirian	sirian	JJ
39142	3100	4	stars	star	NNS
39142	3100	5	he	-PRON-	PRP
39142	3100	6	finds	find	VBZ
39142	3100	7	that	that	IN
39142	3100	8	if	if	IN
39142	3100	9	stars	star	NNS
39142	3100	10	of	of	IN
39142	3100	11	equal	equal	JJ
39142	3100	12	brightness	brightness	NN
39142	3100	13	are	be	VBP
39142	3100	14	compared	compare	VBN
39142	3100	15	,	,	,
39142	3100	16	the	the	DT
39142	3100	17	Sirians	Sirians	NNPS
39142	3100	18	average	average	VBP
39142	3100	19	nearly	nearly	RB
39142	3100	20	three	three	CD
39142	3100	21	times	time	NNS
39142	3100	22	more	more	JJR
39142	3100	23	distance	distance	NN
39142	3100	24	from	from	IN
39142	3100	25	the	the	DT
39142	3100	26	sun	sun	NN
39142	3100	27	than	than	IN
39142	3100	28	those	those	DT
39142	3100	29	of	of	IN
39142	3100	30	the	the	DT
39142	3100	31	solar	solar	JJ
39142	3100	32	type	type	NN
39142	3100	33	.	.	.
39142	3101	1	So	so	CC
39142	3101	2	,	,	,
39142	3101	3	probably	probably	RB
39142	3101	4	,	,	,
39142	3101	5	the	the	DT
39142	3101	6	Sirians	Sirians	NNPS
39142	3101	7	far	far	RB
39142	3101	8	exceed	exceed	VBP
39142	3101	9	the	the	DT
39142	3101	10	Solars	Solars	NNPS
39142	3101	11	in	in	IN
39142	3101	12	intrinsic	intrinsic	JJ
39142	3101	13	brightness	brightness	NN
39142	3101	14	.	.	.
39142	3102	1	Farther	farther	RB
39142	3102	2	,	,	,
39142	3102	3	Kapteyn	Kapteyn	NNP
39142	3102	4	concludes	conclude	VBZ
39142	3102	5	that	that	IN
39142	3102	6	the	the	DT
39142	3102	7	Galaxy	Galaxy	NNP
39142	3102	8	has	have	VBZ
39142	3102	9	no	no	DT
39142	3102	10	connection	connection	NN
39142	3102	11	with	with	IN
39142	3102	12	our	-PRON-	PRP$
39142	3102	13	solar	solar	JJ
39142	3102	14	system	system	NN
39142	3102	15	,	,	,
39142	3102	16	and	and	CC
39142	3102	17	is	be	VBZ
39142	3102	18	composed	compose	VBN
39142	3102	19	of	of	IN
39142	3102	20	a	a	DT
39142	3102	21	vast	vast	JJ
39142	3102	22	encircling	encircling	NN
39142	3102	23	annulus	annulus	NN
39142	3102	24	or	or	CC
39142	3102	25	ring	ring	NN
39142	3102	26	of	of	IN
39142	3102	27	stars	star	NNS
39142	3102	28	,	,	,
39142	3102	29	far	far	RB
39142	3102	30	exceeding	exceed	VBG
39142	3102	31	in	in	IN
39142	3102	32	number	number	NN
39142	3102	33	the	the	DT
39142	3102	34	stars	star	NNS
39142	3102	35	of	of	IN
39142	3102	36	the	the	DT
39142	3102	37	great	great	JJ
39142	3102	38	central	central	JJ
39142	3102	39	solar	solar	JJ
39142	3102	40	cluster	cluster	NN
39142	3102	41	,	,	,
39142	3102	42	and	and	CC
39142	3102	43	everywhere	everywhere	RB
39142	3102	44	exceedingly	exceedingly	RB
39142	3102	45	remote	remote	JJ
39142	3102	46	from	from	IN
39142	3102	47	these	these	DT
39142	3102	48	stars	star	NNS
39142	3102	49	,	,	,
39142	3102	50	as	as	RB
39142	3102	51	well	well	RB
39142	3102	52	as	as	IN
39142	3102	53	differing	differ	VBG
39142	3102	54	from	from	IN
39142	3102	55	them	-PRON-	PRP
39142	3102	56	in	in	IN
39142	3102	57	physical	physical	JJ
39142	3102	58	type	type	NN
39142	3102	59	and	and	CC
39142	3102	60	constitution	constitution	NN
39142	3102	61	.	.	.
39142	3103	1	So	so	RB
39142	3103	2	it	-PRON-	PRP
39142	3103	3	would	would	MD
39142	3103	4	be	be	VB
39142	3103	5	mainly	mainly	RB
39142	3103	6	the	the	DT
39142	3103	7	mere	mere	JJ
39142	3103	8	element	element	NN
39142	3103	9	of	of	IN
39142	3103	10	distance	distance	NN
39142	3103	11	that	that	WDT
39142	3103	12	makes	make	VBZ
39142	3103	13	them	-PRON-	PRP
39142	3103	14	appear	appear	VB
39142	3103	15	so	so	RB
39142	3103	16	faint	faint	JJ
39142	3103	17	and	and	CC
39142	3103	18	crowded	crowd	VBD
39142	3103	19	thickly	thickly	RB
39142	3103	20	together	together	RB
39142	3103	21	into	into	IN
39142	3103	22	that	that	DT
39142	3103	23	gauzy	gauzy	NNP
39142	3103	24	girdle	girdle	VB
39142	3103	25	which	which	WDT
39142	3103	26	we	-PRON-	PRP
39142	3103	27	call	call	VBP
39142	3103	28	the	the	DT
39142	3103	29	Galaxy	Galaxy	NNP
39142	3103	30	.	.	.
39142	3104	1	The	the	DT
39142	3104	2	Milky	Milky	NNP
39142	3104	3	Way	Way	NNP
39142	3104	4	reveals	reveal	VBZ
39142	3104	5	irregularities	irregularity	NNS
39142	3104	6	of	of	IN
39142	3104	7	stellar	stellar	JJ
39142	3104	8	density	density	NN
39142	3104	9	and	and	CC
39142	3104	10	star	star	NN
39142	3104	11	clustering	cluster	VBG
39142	3104	12	on	on	IN
39142	3104	13	a	a	DT
39142	3104	14	large	large	JJ
39142	3104	15	scale	scale	NN
39142	3104	16	,	,	,
39142	3104	17	with	with	IN
39142	3104	18	deep	deep	JJ
39142	3104	19	rifts	rift	NNS
39142	3104	20	between	between	IN
39142	3104	21	great	great	JJ
39142	3104	22	clouds	cloud	NNS
39142	3104	23	of	of	IN
39142	3104	24	stars	star	NNS
39142	3104	25	.	.	.
39142	3105	1	Modern	modern	JJ
39142	3105	2	photographs	photograph	NNS
39142	3105	3	,	,	,
39142	3105	4	particularly	particularly	RB
39142	3105	5	those	those	DT
39142	3105	6	of	of	IN
39142	3105	7	Barnard	Barnard	NNP
39142	3105	8	in	in	IN
39142	3105	9	Sagittarius	Sagittarius	NNP
39142	3105	10	,	,	,
39142	3105	11	make	make	VB
39142	3105	12	this	this	DT
39142	3105	13	very	very	RB
39142	3105	14	apparent	apparent	JJ
39142	3105	15	.	.	.
39142	3106	1	Within	within	IN
39142	3106	2	the	the	DT
39142	3106	3	Milky	Milky	NNP
39142	3106	4	Way	Way	NNP
39142	3106	5	,	,	,
39142	3106	6	nearly	nearly	RB
39142	3106	7	in	in	IN
39142	3106	8	its	-PRON-	PRP$
39142	3106	9	plane	plane	NN
39142	3106	10	and	and	CC
39142	3106	11	almost	almost	RB
39142	3106	12	central	central	JJ
39142	3106	13	,	,	,
39142	3106	14	is	be	VBZ
39142	3106	15	what	what	WP
39142	3106	16	Eddington	Eddington	NNP
39142	3106	17	terms	term	VBZ
39142	3106	18	the	the	DT
39142	3106	19	inner	inner	JJ
39142	3106	20	stellar	stellar	JJ
39142	3106	21	system	system	NN
39142	3106	22	,	,	,
39142	3106	23	near	near	IN
39142	3106	24	the	the	DT
39142	3106	25	center	center	NN
39142	3106	26	of	of	IN
39142	3106	27	which	which	WDT
39142	3106	28	is	be	VBZ
39142	3106	29	the	the	DT
39142	3106	30	sun	sun	NN
39142	3106	31	.	.	.
39142	3107	1	Surrounding	surround	VBG
39142	3107	2	it	-PRON-	PRP
39142	3107	3	and	and	CC
39142	3107	4	near	near	IN
39142	3107	5	its	-PRON-	PRP$
39142	3107	6	plane	plane	NN
39142	3107	7	are	be	VBP
39142	3107	8	the	the	DT
39142	3107	9	masses	masse	NNS
39142	3107	10	of	of	IN
39142	3107	11	star	star	NN
39142	3107	12	clouds	cloud	NNS
39142	3107	13	which	which	WDT
39142	3107	14	make	make	VBP
39142	3107	15	up	up	RP
39142	3107	16	the	the	DT
39142	3107	17	Milky	Milky	NNP
39142	3107	18	Way	Way	NNP
39142	3107	19	.	.	.
39142	3108	1	Whether	whether	IN
39142	3108	2	these	these	DT
39142	3108	3	star	star	NN
39142	3108	4	clouds	cloud	NNS
39142	3108	5	are	be	VBP
39142	3108	6	isolated	isolate	VBN
39142	3108	7	from	from	IN
39142	3108	8	the	the	DT
39142	3108	9	inner	inner	JJ
39142	3108	10	system	system	NN
39142	3108	11	or	or	CC
39142	3108	12	continuous	continuous	JJ
39142	3108	13	with	with	IN
39142	3108	14	it	-PRON-	PRP
39142	3108	15	,	,	,
39142	3108	16	is	be	VBZ
39142	3108	17	not	not	RB
39142	3108	18	yet	yet	RB
39142	3108	19	ascertained	ascertain	VBN
39142	3108	20	.	.	.
39142	3109	1	The	the	DT
39142	3109	2	vast	vast	JJ
39142	3109	3	masses	masse	NNS
39142	3109	4	of	of	IN
39142	3109	5	the	the	DT
39142	3109	6	Milky	Milky	NNP
39142	3109	7	Way	Way	NNP
39142	3109	8	stars	star	NNS
39142	3109	9	are	be	VBP
39142	3109	10	very	very	RB
39142	3109	11	faint	faint	JJ
39142	3109	12	,	,	,
39142	3109	13	and	and	CC
39142	3109	14	we	-PRON-	PRP
39142	3109	15	know	know	VBP
39142	3109	16	nothing	nothing	NN
39142	3109	17	yet	yet	RB
39142	3109	18	as	as	IN
39142	3109	19	to	to	IN
39142	3109	20	their	-PRON-	PRP$
39142	3109	21	proper	proper	JJ
39142	3109	22	motions	motion	NNS
39142	3109	23	,	,	,
39142	3109	24	their	-PRON-	PRP$
39142	3109	25	radial	radial	JJ
39142	3109	26	motions	motion	NNS
39142	3109	27	,	,	,
39142	3109	28	or	or	CC
39142	3109	29	their	-PRON-	PRP$
39142	3109	30	spectra	spectra	NN
39142	3109	31	.	.	.
39142	3110	1	Probably	probably	RB
39142	3110	2	a	a	DT
39142	3110	3	few	few	JJ
39142	3110	4	stars	star	NNS
39142	3110	5	as	as	RB
39142	3110	6	bright	bright	JJ
39142	3110	7	as	as	IN
39142	3110	8	the	the	DT
39142	3110	9	sixth	sixth	JJ
39142	3110	10	magnitude	magnitude	NN
39142	3110	11	are	be	VBP
39142	3110	12	actually	actually	RB
39142	3110	13	located	locate	VBN
39142	3110	14	in	in	IN
39142	3110	15	the	the	DT
39142	3110	16	midst	midst	NN
39142	3110	17	of	of	IN
39142	3110	18	the	the	DT
39142	3110	19	Milky	Milky	NNP
39142	3110	20	Way	Way	NNP
39142	3110	21	clusters	cluster	NNS
39142	3110	22	,	,	,
39142	3110	23	the	the	DT
39142	3110	24	fainter	fainter	NN
39142	3110	25	ninth	ninth	JJ
39142	3110	26	magnitude	magnitude	NN
39142	3110	27	stars	star	NNS
39142	3110	28	certainly	certainly	RB
39142	3110	29	begin	begin	VBP
39142	3110	30	the	the	DT
39142	3110	31	Milky	Milky	NNP
39142	3110	32	Way	Way	NNP
39142	3110	33	proper	proper	JJ
39142	3110	34	,	,	,
39142	3110	35	while	while	IN
39142	3110	36	the	the	DT
39142	3110	37	stars	star	NNS
39142	3110	38	of	of	IN
39142	3110	39	the	the	DT
39142	3110	40	twelfth	twelfth	JJ
39142	3110	41	or	or	CC
39142	3110	42	thirteenth	thirteenth	JJ
39142	3110	43	magnitude	magnitude	NN
39142	3110	44	carry	carry	VB
39142	3110	45	us	-PRON-	PRP
39142	3110	46	into	into	IN
39142	3110	47	the	the	DT
39142	3110	48	very	very	JJ
39142	3110	49	depths	depth	NNS
39142	3110	50	of	of	IN
39142	3110	51	the	the	DT
39142	3110	52	Galaxy	Galaxy	NNP
39142	3110	53	.	.	.
39142	3111	1	It	-PRON-	PRP
39142	3111	2	is	be	VBZ
39142	3111	3	now	now	RB
39142	3111	4	pretty	pretty	RB
39142	3111	5	generally	generally	RB
39142	3111	6	believed	believe	VBD
39142	3111	7	that	that	IN
39142	3111	8	many	many	JJ
39142	3111	9	of	of	IN
39142	3111	10	the	the	DT
39142	3111	11	dark	dark	JJ
39142	3111	12	regions	region	NNS
39142	3111	13	of	of	IN
39142	3111	14	the	the	DT
39142	3111	15	Milky	Milky	NNP
39142	3111	16	Way	Way	NNP
39142	3111	17	are	be	VBP
39142	3111	18	due	due	JJ
39142	3111	19	not	not	RB
39142	3111	20	to	to	TO
39142	3111	21	actual	actual	JJ
39142	3111	22	absence	absence	NN
39142	3111	23	of	of	IN
39142	3111	24	stars	star	NNS
39142	3111	25	so	so	RB
39142	3111	26	much	much	RB
39142	3111	27	as	as	IN
39142	3111	28	to	to	IN
39142	3111	29	the	the	DT
39142	3111	30	absorption	absorption	NN
39142	3111	31	of	of	IN
39142	3111	32	light	light	NN
39142	3111	33	by	by	IN
39142	3111	34	intervening	intervene	VBG
39142	3111	35	tracts	tract	NNS
39142	3111	36	of	of	IN
39142	3111	37	nebulous	nebulous	JJ
39142	3111	38	matter	matter	NN
39142	3111	39	on	on	IN
39142	3111	40	the	the	DT
39142	3111	41	hither	hither	NN
39142	3111	42	side	side	NN
39142	3111	43	of	of	IN
39142	3111	44	the	the	DT
39142	3111	45	Galactic	galactic	JJ
39142	3111	46	aggregations	aggregation	NNS
39142	3111	47	and	and	CC
39142	3111	48	,	,	,
39142	3111	49	probably	probably	RB
39142	3111	50	in	in	IN
39142	3111	51	fact	fact	NN
39142	3111	52	,	,	,
39142	3111	53	within	within	IN
39142	3111	54	the	the	DT
39142	3111	55	oblate	oblate	NN
39142	3111	56	inner	inner	JJ
39142	3111	57	stellar	stellar	JJ
39142	3111	58	system	system	NN
39142	3111	59	itself	-PRON-	PRP
39142	3111	60	.	.	.
39142	3112	1	Easton	Easton	NNP
39142	3112	2	has	have	VBZ
39142	3112	3	made	make	VBN
39142	3112	4	many	many	JJ
39142	3112	5	hundred	hundred	CD
39142	3112	6	counts	count	NNS
39142	3112	7	of	of	IN
39142	3112	8	stars	star	NNS
39142	3112	9	in	in	IN
39142	3112	10	galactic	galactic	JJ
39142	3112	11	regions	region	NNS
39142	3112	12	of	of	IN
39142	3112	13	Cygnus	Cygnus	NNP
39142	3112	14	and	and	CC
39142	3112	15	Aquila	Aquila	NNP
39142	3112	16	where	where	WRB
39142	3112	17	the	the	DT
39142	3112	18	range	range	NN
39142	3112	19	of	of	IN
39142	3112	20	intensity	intensity	NN
39142	3112	21	of	of	IN
39142	3112	22	the	the	DT
39142	3112	23	light	light	NN
39142	3112	24	is	be	VBZ
39142	3112	25	very	very	RB
39142	3112	26	marked	marked	JJ
39142	3112	27	;	;	:
39142	3112	28	in	in	IN
39142	3112	29	fact	fact	NN
39142	3112	30	,	,	,
39142	3112	31	the	the	DT
39142	3112	32	star	star	NN
39142	3112	33	density	density	NN
39142	3112	34	of	of	IN
39142	3112	35	the	the	DT
39142	3112	36	bright	bright	JJ
39142	3112	37	patches	patch	NNS
39142	3112	38	of	of	IN
39142	3112	39	the	the	DT
39142	3112	40	Galaxy	Galaxy	NNP
39142	3112	41	is	be	VBZ
39142	3112	42	so	so	RB
39142	3112	43	far	far	RB
39142	3112	44	in	in	IN
39142	3112	45	excess	excess	NN
39142	3112	46	of	of	IN
39142	3112	47	the	the	DT
39142	3112	48	density	density	NN
39142	3112	49	adjacent	adjacent	JJ
39142	3112	50	and	and	CC
39142	3112	51	just	just	RB
39142	3112	52	outside	outside	IN
39142	3112	53	the	the	DT
39142	3112	54	Milky	Milky	NNP
39142	3112	55	Way	Way	NNP
39142	3112	56	,	,	,
39142	3112	57	that	that	IN
39142	3112	58	the	the	DT
39142	3112	59	conclusion	conclusion	NN
39142	3112	60	is	be	VBZ
39142	3112	61	inevitable	inevitable	JJ
39142	3112	62	that	that	IN
39142	3112	63	this	this	DT
39142	3112	64	excess	excess	NN
39142	3112	65	is	be	VBZ
39142	3112	66	due	due	JJ
39142	3112	67	to	to	IN
39142	3112	68	the	the	DT
39142	3112	69	star	star	NN
39142	3112	70	clouds	cloud	NNS
39142	3112	71	.	.	.
39142	3113	1	Of	of	IN
39142	3113	2	the	the	DT
39142	3113	3	distance	distance	NN
39142	3113	4	of	of	IN
39142	3113	5	the	the	DT
39142	3113	6	Milky	Milky	NNP
39142	3113	7	Way	Way	NNP
39142	3113	8	we	-PRON-	PRP
39142	3113	9	have	have	VBP
39142	3113	10	very	very	RB
39142	3113	11	little	little	JJ
39142	3113	12	knowledge	knowledge	NN
39142	3113	13	.	.	.
39142	3114	1	It	-PRON-	PRP
39142	3114	2	is	be	VBZ
39142	3114	3	certainly	certainly	RB
39142	3114	4	not	not	RB
39142	3114	5	less	less	JJR
39142	3114	6	than	than	IN
39142	3114	7	1,000	1,000	CD
39142	3114	8	parsecs	parsecs	NN
39142	3114	9	,	,	,
39142	3114	10	and	and	CC
39142	3114	11	more	more	RBR
39142	3114	12	likely	likely	JJ
39142	3114	13	5,000	5,000	CD
39142	3114	14	parsecs	parsecs	NN
39142	3114	15	,	,	,
39142	3114	16	a	a	DT
39142	3114	17	distance	distance	NN
39142	3114	18	over	over	IN
39142	3114	19	which	which	WDT
39142	3114	20	light	light	NN
39142	3114	21	would	would	MD
39142	3114	22	travel	travel	VB
39142	3114	23	in	in	IN
39142	3114	24	about	about	RB
39142	3114	25	16,000	16,000	CD
39142	3114	26	years	year	NNS
39142	3114	27	.	.	.
39142	3115	1	Quite	quite	RB
39142	3115	2	certainly	certainly	RB
39142	3115	3	all	all	DT
39142	3115	4	parts	part	NNS
39142	3115	5	of	of	IN
39142	3115	6	the	the	DT
39142	3115	7	Galaxy	Galaxy	NNP
39142	3115	8	are	be	VBP
39142	3115	9	not	not	RB
39142	3115	10	at	at	IN
39142	3115	11	the	the	DT
39142	3115	12	same	same	JJ
39142	3115	13	distance	distance	NN
39142	3115	14	,	,	,
39142	3115	15	and	and	CC
39142	3115	16	probably	probably	RB
39142	3115	17	there	there	EX
39142	3115	18	are	be	VBP
39142	3115	19	branches	branch	NNS
39142	3115	20	in	in	IN
39142	3115	21	some	some	DT
39142	3115	22	regions	region	NNS
39142	3115	23	that	that	WDT
39142	3115	24	lie	lie	VBP
39142	3115	25	behind	behind	IN
39142	3115	26	one	one	CD
39142	3115	27	another	another	DT
39142	3115	28	.	.	.
39142	3116	1	While	while	IN
39142	3116	2	the	the	DT
39142	3116	3	general	general	JJ
39142	3116	4	regions	region	NNS
39142	3116	5	of	of	IN
39142	3116	6	the	the	DT
39142	3116	7	nebulæ	nebulæ	NN
39142	3116	8	are	be	VBP
39142	3116	9	remote	remote	JJ
39142	3116	10	from	from	IN
39142	3116	11	the	the	DT
39142	3116	12	Galactic	galactic	JJ
39142	3116	13	plane	plane	NN
39142	3116	14	,	,	,
39142	3116	15	the	the	DT
39142	3116	16	large	large	JJ
39142	3116	17	irregular	irregular	JJ
39142	3116	18	nebulæ	nebulæ	NN
39142	3116	19	,	,	,
39142	3116	20	as	as	IN
39142	3116	21	the	the	DT
39142	3116	22	Trifid	Trifid	NNP
39142	3116	23	,	,	,
39142	3116	24	the	the	DT
39142	3116	25	Keyhole	Keyhole	NNP
39142	3116	26	,	,	,
39142	3116	27	and	and	CC
39142	3116	28	the	the	DT
39142	3116	29	Omega	Omega	NNP
39142	3116	30	nebulæ	nebulæ	NN
39142	3116	31	,	,	,
39142	3116	32	are	be	VBP
39142	3116	33	found	find	VBN
39142	3116	34	chiefly	chiefly	RB
39142	3116	35	in	in	IN
39142	3116	36	the	the	DT
39142	3116	37	Milky	Milky	NNP
39142	3116	38	Way	Way	NNP
39142	3116	39	.	.	.
39142	3117	1	In	in	IN
39142	3117	2	addition	addition	NN
39142	3117	3	to	to	IN
39142	3117	4	the	the	DT
39142	3117	5	irregular	irregular	JJ
39142	3117	6	nebulæ	nebulæ	NN
39142	3117	7	many	many	JJ
39142	3117	8	types	type	NNS
39142	3117	9	of	of	IN
39142	3117	10	stellar	stellar	JJ
39142	3117	11	objects	object	NNS
39142	3117	12	appear	appear	VBP
39142	3117	13	to	to	TO
39142	3117	14	be	be	VB
39142	3117	15	strongly	strongly	RB
39142	3117	16	condensed	condense	VBN
39142	3117	17	toward	toward	IN
39142	3117	18	the	the	DT
39142	3117	19	Milky	Milky	NNP
39142	3117	20	Way	Way	NNP
39142	3117	21	,	,	,
39142	3117	22	but	but	CC
39142	3117	23	this	this	DT
39142	3117	24	may	may	MD
39142	3117	25	be	be	VB
39142	3117	26	due	due	IN
39142	3117	27	to	to	IN
39142	3117	28	the	the	DT
39142	3117	29	inner	inner	JJ
39142	3117	30	stellar	stellar	JJ
39142	3117	31	system	system	NN
39142	3117	32	,	,	,
39142	3117	33	rather	rather	RB
39142	3117	34	than	than	IN
39142	3117	35	a	a	DT
39142	3117	36	real	real	JJ
39142	3117	37	relation	relation	NN
39142	3117	38	to	to	IN
39142	3117	39	Galactic	galactic	JJ
39142	3117	40	formations	formation	NNS
39142	3117	41	.	.	.
39142	3118	1	Quite	quite	JJ
39142	3118	2	different	different	JJ
39142	3118	3	are	be	VBP
39142	3118	4	the	the	DT
39142	3118	5	Magellanic	magellanic	JJ
39142	3118	6	clouds	cloud	NNS
39142	3118	7	,	,	,
39142	3118	8	which	which	WDT
39142	3118	9	contain	contain	VBP
39142	3118	10	many	many	JJ
39142	3118	11	gaseous	gaseous	JJ
39142	3118	12	nebulæ	nebulæ	NN
39142	3118	13	and	and	CC
39142	3118	14	are	be	VBP
39142	3118	15	unique	unique	JJ
39142	3118	16	objects	object	NNS
39142	3118	17	of	of	IN
39142	3118	18	the	the	DT
39142	3118	19	sky	sky	NN
39142	3118	20	,	,	,
39142	3118	21	having	have	VBG
39142	3118	22	no	no	DT
39142	3118	23	resemblance	resemblance	NN
39142	3118	24	to	to	IN
39142	3118	25	the	the	DT
39142	3118	26	true	true	JJ
39142	3118	27	spiral	spiral	JJ
39142	3118	28	nebulæ	nebulæ	NN
39142	3118	29	which	which	WDT
39142	3118	30	,	,	,
39142	3118	31	as	as	IN
39142	3118	32	a	a	DT
39142	3118	33	rule	rule	NN
39142	3118	34	,	,	,
39142	3118	35	avoid	avoid	VB
39142	3118	36	the	the	DT
39142	3118	37	Galactic	galactic	JJ
39142	3118	38	regions	region	NNS
39142	3118	39	.	.	.
39142	3119	1	Worthy	worthy	JJ
39142	3119	2	of	of	IN
39142	3119	3	note	note	NN
39142	3119	4	also	also	RB
39142	3119	5	is	be	VBZ
39142	3119	6	the	the	DT
39142	3119	7	theory	theory	NN
39142	3119	8	of	of	IN
39142	3119	9	Easton	Easton	NNP
39142	3119	10	that	that	WDT
39142	3119	11	the	the	DT
39142	3119	12	Milky	Milky	NNP
39142	3119	13	Way	Way	NNP
39142	3119	14	has	have	VBZ
39142	3119	15	itself	-PRON-	PRP
39142	3119	16	the	the	DT
39142	3119	17	form	form	NN
39142	3119	18	of	of	IN
39142	3119	19	a	a	DT
39142	3119	20	double	double	JJ
39142	3119	21	-	-	HYPH
39142	3119	22	branched	branched	JJ
39142	3119	23	spiral	spiral	NN
39142	3119	24	,	,	,
39142	3119	25	which	which	WDT
39142	3119	26	explains	explain	VBZ
39142	3119	27	the	the	DT
39142	3119	28	visible	visible	JJ
39142	3119	29	features	feature	NNS
39142	3119	30	quite	quite	RB
39142	3119	31	well	well	RB
39142	3119	32	,	,	,
39142	3119	33	but	but	CC
39142	3119	34	is	be	VBZ
39142	3119	35	incapable	incapable	JJ
39142	3119	36	of	of	IN
39142	3119	37	either	either	CC
39142	3119	38	disproof	disproof	NN
39142	3119	39	or	or	CC
39142	3119	40	verification	verification	NN
39142	3119	41	.	.	.
39142	3120	1	The	the	DT
39142	3120	2	central	central	JJ
39142	3120	3	nucleus	nucleus	NN
39142	3120	4	he	-PRON-	PRP
39142	3120	5	locates	locate	VBZ
39142	3120	6	in	in	IN
39142	3120	7	the	the	DT
39142	3120	8	rich	rich	JJ
39142	3120	9	Galactic	galactic	JJ
39142	3120	10	region	region	NN
39142	3120	11	of	of	IN
39142	3120	12	Cygnus	Cygnus	NNP
39142	3120	13	,	,	,
39142	3120	14	with	with	IN
39142	3120	15	the	the	DT
39142	3120	16	sun	sun	NN
39142	3120	17	well	well	RB
39142	3120	18	outside	outside	IN
39142	3120	19	the	the	DT
39142	3120	20	nucleus	nucleus	NN
39142	3120	21	itself	-PRON-	PRP
39142	3120	22	.	.	.
39142	3121	1	By	by	IN
39142	3121	2	combining	combine	VBG
39142	3121	3	the	the	DT
39142	3121	4	available	available	JJ
39142	3121	5	photographs	photograph	NNS
39142	3121	6	of	of	IN
39142	3121	7	the	the	DT
39142	3121	8	Galaxy	Galaxy	NNP
39142	3121	9	,	,	,
39142	3121	10	he	-PRON-	PRP
39142	3121	11	has	have	VBZ
39142	3121	12	produced	produce	VBN
39142	3121	13	a	a	DT
39142	3121	14	chart	chart	NN
39142	3121	15	which	which	WDT
39142	3121	16	indicates	indicate	VBZ
39142	3121	17	in	in	IN
39142	3121	18	a	a	DT
39142	3121	19	general	general	JJ
39142	3121	20	way	way	NN
39142	3121	21	how	how	WRB
39142	3121	22	the	the	DT
39142	3121	23	stellar	stellar	JJ
39142	3121	24	aggregations	aggregation	NNS
39142	3121	25	might	may	MD
39142	3121	26	all	all	DT
39142	3121	27	be	be	VB
39142	3121	28	arrayed	array	VBN
39142	3121	29	so	so	IN
39142	3121	30	as	as	IN
39142	3121	31	to	to	TO
39142	3121	32	give	give	VB
39142	3121	33	the	the	DT
39142	3121	34	effect	effect	NN
39142	3121	35	of	of	IN
39142	3121	36	the	the	DT
39142	3121	37	Galaxy	Galaxy	NNP
39142	3121	38	as	as	IN
39142	3121	39	we	-PRON-	PRP
39142	3121	40	see	see	VBP
39142	3121	41	it	-PRON-	PRP
39142	3121	42	.	.	.
39142	3122	1	Shapley	Shapley	NNP
39142	3122	2	,	,	,
39142	3122	3	at	at	IN
39142	3122	4	Mount	Mount	NNP
39142	3122	5	Wilson	Wilson	NNP
39142	3122	6	,	,	,
39142	3122	7	has	have	VBZ
39142	3122	8	studied	study	VBN
39142	3122	9	the	the	DT
39142	3122	10	structure	structure	NN
39142	3122	11	of	of	IN
39142	3122	12	the	the	DT
39142	3122	13	Galactic	galactic	JJ
39142	3122	14	system	system	NN
39142	3122	15	,	,	,
39142	3122	16	in	in	IN
39142	3122	17	which	which	WDT
39142	3122	18	he	-PRON-	PRP
39142	3122	19	has	have	VBZ
39142	3122	20	been	be	VBN
39142	3122	21	aided	aid	VBN
39142	3122	22	by	by	IN
39142	3122	23	Mrs.	Mrs.	NNP
39142	3122	24	Shapley	Shapley	NNP
39142	3122	25	.	.	.
39142	3123	1	An	an	DT
39142	3123	2	interesting	interesting	JJ
39142	3123	3	part	part	NN
39142	3123	4	of	of	IN
39142	3123	5	this	this	DT
39142	3123	6	work	work	NN
39142	3123	7	relates	relate	VBZ
39142	3123	8	to	to	IN
39142	3123	9	the	the	DT
39142	3123	10	distribution	distribution	NN
39142	3123	11	of	of	IN
39142	3123	12	the	the	DT
39142	3123	13	spiral	spiral	JJ
39142	3123	14	nebulæ	nebulæ	NN
39142	3123	15	,	,	,
39142	3123	16	and	and	CC
39142	3123	17	to	to	IN
39142	3123	18	certain	certain	JJ
39142	3123	19	properties	property	NNS
39142	3123	20	of	of	IN
39142	3123	21	their	-PRON-	PRP$
39142	3123	22	systematic	systematic	JJ
39142	3123	23	recessional	recessional	JJ
39142	3123	24	motion	motion	NN
39142	3123	25	,	,	,
39142	3123	26	suggesting	suggest	VBG
39142	3123	27	that	that	IN
39142	3123	28	the	the	DT
39142	3123	29	entire	entire	JJ
39142	3123	30	Galactic	galactic	JJ
39142	3123	31	system	system	NN
39142	3123	32	may	may	MD
39142	3123	33	be	be	VB
39142	3123	34	rapidly	rapidly	RB
39142	3123	35	moving	move	VBG
39142	3123	36	through	through	IN
39142	3123	37	space	space	NN
39142	3123	38	.	.	.
39142	3124	1	Apparently	apparently	RB
39142	3124	2	the	the	DT
39142	3124	3	spiral	spiral	JJ
39142	3124	4	nebulæ	nebulæ	NN
39142	3124	5	are	be	VBP
39142	3124	6	not	not	RB
39142	3124	7	distant	distant	JJ
39142	3124	8	stellar	stellar	JJ
39142	3124	9	organizations	organization	NNS
39142	3124	10	or	or	CC
39142	3124	11	"	"	``
39142	3124	12	island	island	NN
39142	3124	13	universes	universe	NNS
39142	3124	14	,	,	,
39142	3124	15	"	"	''
39142	3124	16	but	but	CC
39142	3124	17	truly	truly	RB
39142	3124	18	nebular	nebular	JJ
39142	3124	19	structures	structure	NNS
39142	3124	20	of	of	IN
39142	3124	21	vast	vast	JJ
39142	3124	22	volume	volume	NN
39142	3124	23	which	which	WDT
39142	3124	24	in	in	IN
39142	3124	25	general	general	JJ
39142	3124	26	are	be	VBP
39142	3124	27	actively	actively	RB
39142	3124	28	repelled	repel	VBN
39142	3124	29	from	from	IN
39142	3124	30	stellar	stellar	JJ
39142	3124	31	systems	system	NNS
39142	3124	32	.	.	.
39142	3125	1	A	a	DT
39142	3125	2	tentative	tentative	JJ
39142	3125	3	cosmogonic	cosmogonic	JJ
39142	3125	4	hypothesis	hypothesis	NN
39142	3125	5	has	have	VBZ
39142	3125	6	been	be	VBN
39142	3125	7	formulated	formulate	VBN
39142	3125	8	to	to	TO
39142	3125	9	account	account	VB
39142	3125	10	for	for	IN
39142	3125	11	the	the	DT
39142	3125	12	motions	motion	NNS
39142	3125	13	,	,	,
39142	3125	14	distribution	distribution	NN
39142	3125	15	,	,	,
39142	3125	16	and	and	CC
39142	3125	17	observed	observe	VBD
39142	3125	18	structure	structure	NN
39142	3125	19	of	of	IN
39142	3125	20	clusters	cluster	NNS
39142	3125	21	and	and	CC
39142	3125	22	spiral	spiral	JJ
39142	3125	23	nebulæ	nebulæ	NN
39142	3125	24	.	.	.
39142	3126	1	An	an	DT
39142	3126	2	additional	additional	JJ
39142	3126	3	great	great	JJ
39142	3126	4	problem	problem	NN
39142	3126	5	of	of	IN
39142	3126	6	the	the	DT
39142	3126	7	Galaxy	Galaxy	NNP
39142	3126	8	is	be	VBZ
39142	3126	9	a	a	DT
39142	3126	10	purely	purely	RB
39142	3126	11	dynamical	dynamical	JJ
39142	3126	12	one	one	NN
39142	3126	13	.	.	.
39142	3127	1	Doubtless	doubtless	RB
39142	3127	2	it	-PRON-	PRP
39142	3127	3	is	be	VBZ
39142	3127	4	in	in	IN
39142	3127	5	some	some	DT
39142	3127	6	sort	sort	NN
39142	3127	7	of	of	IN
39142	3127	8	equilibrium	equilibrium	NN
39142	3127	9	,	,	,
39142	3127	10	according	accord	VBG
39142	3127	11	to	to	IN
39142	3127	12	Eddington	Eddington	NNP
39142	3127	13	,	,	,
39142	3127	14	that	that	DT
39142	3127	15	is	be	VBZ
39142	3127	16	to	to	TO
39142	3127	17	say	say	VB
39142	3127	18	,	,	,
39142	3127	19	the	the	DT
39142	3127	20	individual	individual	JJ
39142	3127	21	stars	star	NNS
39142	3127	22	do	do	VBP
39142	3127	23	not	not	RB
39142	3127	24	oscillate	oscillate	VB
39142	3127	25	to	to	IN
39142	3127	26	and	and	CC
39142	3127	27	fro	fro	JJ
39142	3127	28	across	across	IN
39142	3127	29	the	the	DT
39142	3127	30	stellar	stellar	JJ
39142	3127	31	system	system	NN
39142	3127	32	in	in	IN
39142	3127	33	a	a	DT
39142	3127	34	period	period	NN
39142	3127	35	of	of	IN
39142	3127	36	300	300	CD
39142	3127	37	million	million	CD
39142	3127	38	years	year	NNS
39142	3127	39	,	,	,
39142	3127	40	but	but	CC
39142	3127	41	remain	remain	VBP
39142	3127	42	concentrated	concentrated	JJ
39142	3127	43	in	in	IN
39142	3127	44	clusters	cluster	NNS
39142	3127	45	as	as	IN
39142	3127	46	at	at	IN
39142	3127	47	present	present	NN
39142	3127	48	.	.	.
39142	3128	1	Poincaré	Poincaré	NNP
39142	3128	2	has	have	VBZ
39142	3128	3	considered	consider	VBN
39142	3128	4	the	the	DT
39142	3128	5	entire	entire	JJ
39142	3128	6	Milky	Milky	NNP
39142	3128	7	Way	Way	NNP
39142	3128	8	as	as	IN
39142	3128	9	in	in	IN
39142	3128	10	stately	stately	JJ
39142	3128	11	rotation	rotation	NN
39142	3128	12	,	,	,
39142	3128	13	and	and	CC
39142	3128	14	on	on	IN
39142	3128	15	the	the	DT
39142	3128	16	assumption	assumption	NN
39142	3128	17	that	that	IN
39142	3128	18	the	the	DT
39142	3128	19	total	total	JJ
39142	3128	20	mass	mass	NN
39142	3128	21	of	of	IN
39142	3128	22	the	the	DT
39142	3128	23	inner	inner	JJ
39142	3128	24	stellar	stellar	JJ
39142	3128	25	system	system	NN
39142	3128	26	is	be	VBZ
39142	3128	27	1,000,000,000	1,000,000,000	CD
39142	3128	28	times	time	NNS
39142	3128	29	the	the	DT
39142	3128	30	sun	sun	NN
39142	3128	31	's	's	POS
39142	3128	32	mass	mass	NN
39142	3128	33	,	,	,
39142	3128	34	and	and	CC
39142	3128	35	that	that	IN
39142	3128	36	the	the	DT
39142	3128	37	distance	distance	NN
39142	3128	38	of	of	IN
39142	3128	39	the	the	DT
39142	3128	40	Milky	Milky	NNP
39142	3128	41	Way	Way	NNP
39142	3128	42	is	be	VBZ
39142	3128	43	2,000	2,000	CD
39142	3128	44	parsecs	parsecs	NN
39142	3128	45	,	,	,
39142	3128	46	the	the	DT
39142	3128	47	angular	angular	JJ
39142	3128	48	velocity	velocity	NN
39142	3128	49	for	for	IN
39142	3128	50	equilibrium	equilibrium	NN
39142	3128	51	comes	come	VBZ
39142	3128	52	out	out	RP
39142	3128	53	0".5	0".5	NN
39142	3128	54	per	per	IN
39142	3128	55	century	century	NN
39142	3128	56	.	.	.
39142	3129	1	That	that	DT
39142	3129	2	is	be	VBZ
39142	3129	3	to	to	TO
39142	3129	4	say	say	VB
39142	3129	5	,	,	,
39142	3129	6	a	a	DT
39142	3129	7	complete	complete	JJ
39142	3129	8	revolution	revolution	NN
39142	3129	9	would	would	MD
39142	3129	10	take	take	VB
39142	3129	11	place	place	NN
39142	3129	12	in	in	IN
39142	3129	13	about	about	RB
39142	3129	14	250	250	CD
39142	3129	15	million	million	CD
39142	3129	16	years	year	NNS
39142	3129	17	.	.	.
39142	3130	1	CHAPTER	CHAPTER	NNP
39142	3130	2	LVIII	LVIII	NNP
39142	3130	3	STAR	STAR	NNP
39142	3130	4	CLOUDS	cloud	NNS
39142	3130	5	AND	and	CC
39142	3130	6	NEBULÆ	NEBULÆ	NNP
39142	3130	7	From	from	IN
39142	3130	8	star	star	NN
39142	3130	9	clusters	cluster	NNS
39142	3130	10	to	to	IN
39142	3130	11	nebulæ	nebulæ	NN
39142	3130	12	,	,	,
39142	3130	13	only	only	RB
39142	3130	14	a	a	DT
39142	3130	15	century	century	NN
39142	3130	16	ago	ago	RB
39142	3130	17	,	,	,
39142	3130	18	the	the	DT
39142	3130	19	transition	transition	NN
39142	3130	20	was	be	VBD
39142	3130	21	thought	think	VBN
39142	3130	22	to	to	TO
39142	3130	23	be	be	VB
39142	3130	24	easy	easy	JJ
39142	3130	25	and	and	CC
39142	3130	26	immediate	immediate	JJ
39142	3130	27	.	.	.
39142	3131	1	Accuracy	accuracy	NN
39142	3131	2	in	in	IN
39142	3131	3	determining	determine	VBG
39142	3131	4	the	the	DT
39142	3131	5	distances	distance	NNS
39142	3131	6	of	of	IN
39142	3131	7	stars	star	NNS
39142	3131	8	was	be	VBD
39142	3131	9	just	just	RB
39142	3131	10	beginning	begin	VBG
39142	3131	11	to	to	TO
39142	3131	12	be	be	VB
39142	3131	13	reached	reach	VBN
39142	3131	14	,	,	,
39142	3131	15	the	the	DT
39142	3131	16	clusters	cluster	NNS
39142	3131	17	were	be	VBD
39142	3131	18	obviously	obviously	RB
39142	3131	19	of	of	IN
39142	3131	20	all	all	DT
39142	3131	21	degrees	degree	NNS
39142	3131	22	of	of	IN
39142	3131	23	closeness	closeness	NN
39142	3131	24	following	follow	VBG
39142	3131	25	to	to	IN
39142	3131	26	the	the	DT
39142	3131	27	verge	verge	NN
39142	3131	28	of	of	IN
39142	3131	29	irresolvability	irresolvability	NN
39142	3131	30	,	,	,
39142	3131	31	and	and	CC
39142	3131	32	it	-PRON-	PRP
39142	3131	33	was	be	VBD
39142	3131	34	but	but	CC
39142	3131	35	natural	natural	JJ
39142	3131	36	to	to	TO
39142	3131	37	jump	jump	VB
39142	3131	38	to	to	IN
39142	3131	39	the	the	DT
39142	3131	40	conclusion	conclusion	NN
39142	3131	41	that	that	IN
39142	3131	42	the	the	DT
39142	3131	43	mystery	mystery	NN
39142	3131	44	of	of	IN
39142	3131	45	the	the	DT
39142	3131	46	nebulæ	nebulæ	NN
39142	3131	47	consisted	consist	VBD
39142	3131	48	in	in	IN
39142	3131	49	nothing	nothing	NN
39142	3131	50	but	but	IN
39142	3131	51	their	-PRON-	PRP$
39142	3131	52	vaster	vaster	NN
39142	3131	53	distance	distance	NN
39142	3131	54	than	than	IN
39142	3131	55	that	that	DT
39142	3131	56	of	of	IN
39142	3131	57	clusters	cluster	NNS
39142	3131	58	,	,	,
39142	3131	59	and	and	CC
39142	3131	60	it	-PRON-	PRP
39142	3131	61	was	be	VBD
39142	3131	62	believed	believe	VBN
39142	3131	63	that	that	IN
39142	3131	64	all	all	DT
39142	3131	65	nebulæ	nebulæ	NN
39142	3131	66	would	would	MD
39142	3131	67	prove	prove	VB
39142	3131	68	resolvable	resolvable	JJ
39142	3131	69	into	into	IN
39142	3131	70	stars	star	NNS
39142	3131	71	whenever	whenever	WRB
39142	3131	72	telescopes	telescope	NNS
39142	3131	73	of	of	IN
39142	3131	74	sufficiently	sufficiently	RB
39142	3131	75	great	great	JJ
39142	3131	76	power	power	NN
39142	3131	77	could	could	MD
39142	3131	78	be	be	VB
39142	3131	79	constructed	construct	VBN
39142	3131	80	.	.	.
39142	3132	1	But	but	CC
39142	3132	2	the	the	DT
39142	3132	3	development	development	NN
39142	3132	4	of	of	IN
39142	3132	5	the	the	DT
39142	3132	6	spectroscope	spectroscope	NN
39142	3132	7	soon	soon	RB
39142	3132	8	showed	show	VBD
39142	3132	9	the	the	DT
39142	3132	10	error	error	NN
39142	3132	11	of	of	IN
39142	3132	12	this	this	DT
39142	3132	13	hypothesis	hypothesis	NN
39142	3132	14	,	,	,
39142	3132	15	by	by	IN
39142	3132	16	revealing	reveal	VBG
39142	3132	17	bright	bright	JJ
39142	3132	18	lines	line	NNS
39142	3132	19	in	in	IN
39142	3132	20	the	the	DT
39142	3132	21	nebular	nebular	JJ
39142	3132	22	spectra	spectra	NNP
39142	3132	23	showing	show	VBG
39142	3132	24	that	that	IN
39142	3132	25	many	many	JJ
39142	3132	26	nebulæ	nebulæ	NN
39142	3132	27	emit	emit	VBP
39142	3132	28	light	light	NN
39142	3132	29	that	that	WDT
39142	3132	30	comes	come	VBZ
39142	3132	31	from	from	IN
39142	3132	32	glowing	glow	VBG
39142	3132	33	incandescent	incandescent	NN
39142	3132	34	gas	gas	NN
39142	3132	35	,	,	,
39142	3132	36	not	not	RB
39142	3132	37	from	from	IN
39142	3132	38	an	an	DT
39142	3132	39	infinitude	infinitude	NN
39142	3132	40	of	of	IN
39142	3132	41	small	small	JJ
39142	3132	42	stars	star	NNS
39142	3132	43	.	.	.
39142	3133	1	In	in	IN
39142	3133	2	pre	pre	JJ
39142	3133	3	-	-	JJ
39142	3133	4	telescope	telescope	JJ
39142	3133	5	days	day	NNS
39142	3133	6	nothing	nothing	NN
39142	3133	7	was	be	VBD
39142	3133	8	known	know	VBN
39142	3133	9	about	about	IN
39142	3133	10	the	the	DT
39142	3133	11	nebulæ	nebulæ	NN
39142	3133	12	.	.	.
39142	3134	1	The	the	DT
39142	3134	2	great	great	JJ
39142	3134	3	nebula	nebula	NN
39142	3134	4	in	in	IN
39142	3134	5	Andromeda	Andromeda	NNP
39142	3134	6	,	,	,
39142	3134	7	and	and	CC
39142	3134	8	possibly	possibly	RB
39142	3134	9	the	the	DT
39142	3134	10	great	great	JJ
39142	3134	11	nebula	nebula	NN
39142	3134	12	in	in	IN
39142	3134	13	Orion	Orion	NNP
39142	3134	14	,	,	,
39142	3134	15	are	be	VBP
39142	3134	16	alone	alone	RB
39142	3134	17	visible	visible	JJ
39142	3134	18	to	to	IN
39142	3134	19	the	the	DT
39142	3134	20	naked	naked	JJ
39142	3134	21	eye	eye	NN
39142	3134	22	,	,	,
39142	3134	23	but	but	CC
39142	3134	24	as	as	IN
39142	3134	25	thus	thus	RB
39142	3134	26	seen	see	VBN
39142	3134	27	they	-PRON-	PRP
39142	3134	28	are	be	VBP
39142	3134	29	the	the	DT
39142	3134	30	merest	mere	JJS
39142	3134	31	wisps	wisp	NNS
39142	3134	32	of	of	IN
39142	3134	33	light	light	NN
39142	3134	34	,	,	,
39142	3134	35	the	the	DT
39142	3134	36	same	same	JJ
39142	3134	37	as	as	IN
39142	3134	38	the	the	DT
39142	3134	39	larger	large	JJR
39142	3134	40	clusters	cluster	NNS
39142	3134	41	are	be	VBP
39142	3134	42	.	.	.
39142	3135	1	Galileo	Galileo	NNP
39142	3135	2	,	,	,
39142	3135	3	Huygens	Huygens	NNP
39142	3135	4	and	and	CC
39142	3135	5	other	other	JJ
39142	3135	6	early	early	JJ
39142	3135	7	users	user	NNS
39142	3135	8	of	of	IN
39142	3135	9	the	the	DT
39142	3135	10	telescope	telescope	NN
39142	3135	11	made	make	VBD
39142	3135	12	observations	observation	NNS
39142	3135	13	of	of	IN
39142	3135	14	nebulæ	nebulæ	NN
39142	3135	15	,	,	,
39142	3135	16	but	but	CC
39142	3135	17	long	long	JJ
39142	3135	18	-	-	HYPH
39142	3135	19	focus	focus	NN
39142	3135	20	telescopes	telescope	NNS
39142	3135	21	were	be	VBD
39142	3135	22	not	not	RB
39142	3135	23	well	well	RB
39142	3135	24	adapted	adapt	VBN
39142	3135	25	to	to	IN
39142	3135	26	this	this	DT
39142	3135	27	work	work	NN
39142	3135	28	.	.	.
39142	3136	1	Simon	Simon	NNP
39142	3136	2	Mayer	Mayer	NNP
39142	3136	3	has	have	VBZ
39142	3136	4	left	leave	VBN
39142	3136	5	us	-PRON-	PRP
39142	3136	6	the	the	DT
39142	3136	7	first	first	JJ
39142	3136	8	drawing	drawing	NN
39142	3136	9	of	of	IN
39142	3136	10	a	a	DT
39142	3136	11	nebula	nebula	NN
39142	3136	12	,	,	,
39142	3136	13	the	the	DT
39142	3136	14	Orion	Orion	NNP
39142	3136	15	nebula	nebula	NN
39142	3136	16	as	as	IN
39142	3136	17	he	-PRON-	PRP
39142	3136	18	saw	see	VBD
39142	3136	19	it	-PRON-	PRP
39142	3136	20	in	in	IN
39142	3136	21	1612	1612	CD
39142	3136	22	.	.	.
39142	3137	1	The	the	DT
39142	3137	2	vast	vast	JJ
39142	3137	3	light	light	JJ
39142	3137	4	-	-	HYPH
39142	3137	5	gathering	gather	VBG
39142	3137	6	power	power	NN
39142	3137	7	of	of	IN
39142	3137	8	the	the	DT
39142	3137	9	reflectors	reflector	NNS
39142	3137	10	built	build	VBN
39142	3137	11	by	by	IN
39142	3137	12	Sir	Sir	NNP
39142	3137	13	William	William	NNP
39142	3137	14	Herschel	Herschel	NNP
39142	3137	15	first	first	RB
39142	3137	16	afforded	afford	VBD
39142	3137	17	glimpses	glimpse	NNS
39142	3137	18	of	of	IN
39142	3137	19	the	the	DT
39142	3137	20	structure	structure	NN
39142	3137	21	of	of	IN
39142	3137	22	the	the	DT
39142	3137	23	nebulæ	nebulæ	NN
39142	3137	24	,	,	,
39142	3137	25	and	and	CC
39142	3137	26	if	if	IN
39142	3137	27	his	-PRON-	PRP$
39142	3137	28	drawings	drawing	NNS
39142	3137	29	are	be	VBP
39142	3137	30	critically	critically	RB
39142	3137	31	compared	compare	VBN
39142	3137	32	with	with	IN
39142	3137	33	modern	modern	JJ
39142	3137	34	ones	one	NNS
39142	3137	35	,	,	,
39142	3137	36	no	no	DT
39142	3137	37	case	case	NN
39142	3137	38	of	of	IN
39142	3137	39	motion	motion	NN
39142	3137	40	with	with	IN
39142	3137	41	reference	reference	NN
39142	3137	42	to	to	IN
39142	3137	43	the	the	DT
39142	3137	44	stars	star	NNS
39142	3137	45	or	or	CC
39142	3137	46	of	of	IN
39142	3137	47	change	change	NN
39142	3137	48	in	in	IN
39142	3137	49	the	the	DT
39142	3137	50	filaments	filament	NNS
39142	3137	51	of	of	IN
39142	3137	52	the	the	DT
39142	3137	53	nebulæ	nebulæ	NN
39142	3137	54	themselves	-PRON-	PRP
39142	3137	55	has	have	VBZ
39142	3137	56	been	be	VBN
39142	3137	57	satisfactorily	satisfactorily	RB
39142	3137	58	made	make	VBN
39142	3137	59	out	out	RP
39142	3137	60	.	.	.
39142	3138	1	Only	only	RB
39142	3138	2	very	very	RB
39142	3138	3	recently	recently	RB
39142	3138	4	has	have	VBZ
39142	3138	5	the	the	DT
39142	3138	6	distance	distance	NN
39142	3138	7	of	of	IN
39142	3138	8	a	a	DT
39142	3138	9	nebula	nebula	NN
39142	3138	10	been	be	VBN
39142	3138	11	determined	determine	VBN
39142	3138	12	,	,	,
39142	3138	13	and	and	CC
39142	3138	14	the	the	DT
39142	3138	15	few	few	JJ
39142	3138	16	that	that	WDT
39142	3138	17	have	have	VBP
39142	3138	18	been	be	VBN
39142	3138	19	measured	measure	VBN
39142	3138	20	seem	seem	VBP
39142	3138	21	to	to	TO
39142	3138	22	indicate	indicate	VB
39142	3138	23	that	that	IN
39142	3138	24	the	the	DT
39142	3138	25	nebulæ	nebulæ	NNS
39142	3138	26	are	be	VBP
39142	3138	27	at	at	IN
39142	3138	28	distances	distance	NNS
39142	3138	29	comparable	comparable	JJ
39142	3138	30	with	with	IN
39142	3138	31	the	the	DT
39142	3138	32	stars	star	NNS
39142	3138	33	.	.	.
39142	3139	1	Of	of	IN
39142	3139	2	all	all	DT
39142	3139	3	celestial	celestial	JJ
39142	3139	4	objects	object	NNS
39142	3139	5	the	the	DT
39142	3139	6	nebulæ	nebulæ	NNS
39142	3139	7	fill	fill	VB
39142	3139	8	the	the	DT
39142	3139	9	greatest	great	JJS
39142	3139	10	angles	angle	NNS
39142	3139	11	,	,	,
39142	3139	12	so	so	IN
39142	3139	13	that	that	IN
39142	3139	14	we	-PRON-	PRP
39142	3139	15	are	be	VBP
39142	3139	16	forced	force	VBN
39142	3139	17	to	to	TO
39142	3139	18	conclude	conclude	VB
39142	3139	19	,	,	,
39142	3139	20	with	with	IN
39142	3139	21	regard	regard	NN
39142	3139	22	to	to	IN
39142	3139	23	the	the	DT
39142	3139	24	actual	actual	JJ
39142	3139	25	size	size	NN
39142	3139	26	of	of	IN
39142	3139	27	the	the	DT
39142	3139	28	greater	great	JJR
39142	3139	29	nebulæ	nebulæ	NN
39142	3139	30	as	as	IN
39142	3139	31	they	-PRON-	PRP
39142	3139	32	exist	exist	VBP
39142	3139	33	in	in	IN
39142	3139	34	space	space	NN
39142	3139	35	,	,	,
39142	3139	36	that	that	IN
39142	3139	37	they	-PRON-	PRP
39142	3139	38	far	far	RB
39142	3139	39	surpass	surpass	VBP
39142	3139	40	all	all	DT
39142	3139	41	other	other	JJ
39142	3139	42	objects	object	NNS
39142	3139	43	in	in	IN
39142	3139	44	bulk	bulk	NN
39142	3139	45	.	.	.
39142	3140	1	Photography	Photography	NNP
39142	3140	2	invaded	invade	VBD
39142	3140	3	the	the	DT
39142	3140	4	realm	realm	NN
39142	3140	5	of	of	IN
39142	3140	6	the	the	DT
39142	3140	7	nebulæ	nebulæ	NN
39142	3140	8	in	in	IN
39142	3140	9	1880	1880	CD
39142	3140	10	,	,	,
39142	3140	11	when	when	WRB
39142	3140	12	Dr.	Dr.	NNP
39142	3140	13	Henry	Henry	NNP
39142	3140	14	Draper	Draper	NNP
39142	3140	15	secured	secure	VBD
39142	3140	16	the	the	DT
39142	3140	17	first	first	JJ
39142	3140	18	photograph	photograph	NN
39142	3140	19	of	of	IN
39142	3140	20	the	the	DT
39142	3140	21	nebula	nebula	NN
39142	3140	22	of	of	IN
39142	3140	23	Orion	Orion	NNP
39142	3140	24	.	.	.
39142	3141	1	Theoretically	theoretically	RB
39142	3141	2	photography	photography	NN
39142	3141	3	ought	ought	MD
39142	3141	4	to	to	TO
39142	3141	5	help	help	VB
39142	3141	6	greatly	greatly	RB
39142	3141	7	in	in	IN
39142	3141	8	the	the	DT
39142	3141	9	study	study	NN
39142	3141	10	of	of	IN
39142	3141	11	the	the	DT
39142	3141	12	nebulæ	nebulæ	NN
39142	3141	13	,	,	,
39142	3141	14	and	and	CC
39142	3141	15	enable	enable	VB
39142	3141	16	us	-PRON-	PRP
39142	3141	17	in	in	IN
39142	3141	18	the	the	DT
39142	3141	19	lapse	lapse	NN
39142	3141	20	of	of	IN
39142	3141	21	centuries	century	NNS
39142	3141	22	to	to	TO
39142	3141	23	ascertain	ascertain	VB
39142	3141	24	the	the	DT
39142	3141	25	exact	exact	JJ
39142	3141	26	nature	nature	NN
39142	3141	27	of	of	IN
39142	3141	28	the	the	DT
39142	3141	29	changes	change	NNS
39142	3141	30	which	which	WDT
39142	3141	31	must	must	MD
39142	3141	32	be	be	VB
39142	3141	33	going	go	VBG
39142	3141	34	on	on	RP
39142	3141	35	.	.	.
39142	3142	1	The	the	DT
39142	3142	2	differences	difference	NNS
39142	3142	3	of	of	IN
39142	3142	4	photographic	photographic	JJ
39142	3142	5	processes	process	NNS
39142	3142	6	,	,	,
39142	3142	7	of	of	IN
39142	3142	8	plates	plate	NNS
39142	3142	9	,	,	,
39142	3142	10	of	of	IN
39142	3142	11	exposure	exposure	NN
39142	3142	12	and	and	CC
39142	3142	13	development	development	NN
39142	3142	14	produce	produce	NN
39142	3142	15	in	in	IN
39142	3142	16	the	the	DT
39142	3142	17	finished	finished	JJ
39142	3142	18	photograph	photograph	NN
39142	3142	19	vastly	vastly	RB
39142	3142	20	greater	great	JJR
39142	3142	21	differences	difference	NNS
39142	3142	22	than	than	IN
39142	3142	23	any	any	DT
39142	3142	24	actual	actual	JJ
39142	3142	25	changes	change	NNS
39142	3142	26	that	that	WDT
39142	3142	27	might	may	MD
39142	3142	28	be	be	VB
39142	3142	29	going	go	VBG
39142	3142	30	on	on	RP
39142	3142	31	,	,	,
39142	3142	32	so	so	IN
39142	3142	33	that	that	IN
39142	3142	34	we	-PRON-	PRP
39142	3142	35	must	must	MD
39142	3142	36	rely	rely	VB
39142	3142	37	rather	rather	RB
39142	3142	38	on	on	IN
39142	3142	39	optical	optical	JJ
39142	3142	40	drawings	drawing	NNS
39142	3142	41	made	make	VBN
39142	3142	42	with	with	IN
39142	3142	43	the	the	DT
39142	3142	44	telescope	telescope	NN
39142	3142	45	,	,	,
39142	3142	46	or	or	CC
39142	3142	47	on	on	IN
39142	3142	48	drawings	drawing	NNS
39142	3142	49	made	make	VBN
39142	3142	50	by	by	IN
39142	3142	51	expert	expert	JJ
39142	3142	52	artists	artist	NNS
39142	3142	53	from	from	IN
39142	3142	54	photographs	photograph	NNS
39142	3142	55	with	with	IN
39142	3142	56	many	many	JJ
39142	3142	57	lengths	length	NNS
39142	3142	58	of	of	IN
39142	3142	59	exposure	exposure	NN
39142	3142	60	on	on	IN
39142	3142	61	the	the	DT
39142	3142	62	same	same	JJ
39142	3142	63	object	object	NN
39142	3142	64	.	.	.
39142	3143	1	The	the	DT
39142	3143	2	great	great	JJ
39142	3143	3	work	work	NN
39142	3143	4	on	on	IN
39142	3143	5	nebulæ	nebulæ	NN
39142	3143	6	and	and	CC
39142	3143	7	star	star	NN
39142	3143	8	clusters	cluster	NNS
39142	3143	9	recently	recently	RB
39142	3143	10	concluded	conclude	VBD
39142	3143	11	by	by	IN
39142	3143	12	Bigourdan	Bigourdan	NNP
39142	3143	13	of	of	IN
39142	3143	14	the	the	DT
39142	3143	15	Paris	Paris	NNP
39142	3143	16	Observatory	Observatory	NNP
39142	3143	17	and	and	CC
39142	3143	18	published	publish	VBN
39142	3143	19	in	in	IN
39142	3143	20	five	five	CD
39142	3143	21	volumes	volume	NNS
39142	3143	22	received	receive	VBD
39142	3143	23	the	the	DT
39142	3143	24	award	award	NN
39142	3143	25	of	of	IN
39142	3143	26	the	the	DT
39142	3143	27	gold	gold	NN
39142	3143	28	medal	medal	NN
39142	3143	29	of	of	IN
39142	3143	30	the	the	DT
39142	3143	31	Royal	Royal	NNP
39142	3143	32	Astronomical	Astronomical	NNP
39142	3143	33	Society	Society	NNP
39142	3143	34	.	.	.
39142	3144	1	While	while	IN
39142	3144	2	D'Arrest	D'Arrest	NNP
39142	3144	3	measured	measure	VBD
39142	3144	4	about	about	RB
39142	3144	5	2,000	2,000	CD
39142	3144	6	nebulæ	nebulæ	NN
39142	3144	7	,	,	,
39142	3144	8	and	and	CC
39142	3144	9	Sir	Sir	NNP
39142	3144	10	John	John	NNP
39142	3144	11	Herschel	Herschel	NNP
39142	3144	12	about	about	IN
39142	3144	13	double	double	PDT
39142	3144	14	that	that	DT
39142	3144	15	number	number	NN
39142	3144	16	in	in	IN
39142	3144	17	both	both	DT
39142	3144	18	hemispheres	hemisphere	NNS
39142	3144	19	,	,	,
39142	3144	20	Bigourdan	Bigourdan	NNP
39142	3144	21	has	have	VBZ
39142	3144	22	measured	measure	VBN
39142	3144	23	about	about	RB
39142	3144	24	7,000	7,000	CD
39142	3144	25	.	.	.
39142	3145	1	His	-PRON-	PRP$
39142	3145	2	work	work	NN
39142	3145	3	forms	form	VBZ
39142	3145	4	an	an	DT
39142	3145	5	invaluable	invaluable	JJ
39142	3145	6	lexicon	lexicon	NN
39142	3145	7	of	of	IN
39142	3145	8	information	information	NN
39142	3145	9	concerning	concern	VBG
39142	3145	10	the	the	DT
39142	3145	11	nebulæ	nebulæ	NN
39142	3145	12	.	.	.
39142	3146	1	Classification	classification	NN
39142	3146	2	of	of	IN
39142	3146	3	the	the	DT
39142	3146	4	nebulæ	nebulæ	NN
39142	3146	5	is	be	VBZ
39142	3146	6	not	not	RB
39142	3146	7	very	very	RB
39142	3146	8	satisfactory	satisfactory	JJ
39142	3146	9	,	,	,
39142	3146	10	if	if	IN
39142	3146	11	made	make	VBN
39142	3146	12	by	by	IN
39142	3146	13	their	-PRON-	PRP$
39142	3146	14	shapes	shape	NNS
39142	3146	15	alone	alone	RB
39142	3146	16	.	.	.
39142	3147	1	There	there	EX
39142	3147	2	are	be	VBP
39142	3147	3	perhaps	perhaps	RB
39142	3147	4	fifteen	fifteen	CD
39142	3147	5	thousand	thousand	CD
39142	3147	6	nebulæ	nebulæ	NN
39142	3147	7	in	in	IN
39142	3147	8	all	all	DT
39142	3147	9	that	that	WDT
39142	3147	10	have	have	VBP
39142	3147	11	been	be	VBN
39142	3147	12	catalogued	catalogue	VBN
39142	3147	13	,	,	,
39142	3147	14	described	describe	VBN
39142	3147	15	,	,	,
39142	3147	16	and	and	CC
39142	3147	17	photographed	photograph	VBD
39142	3147	18	.	.	.
39142	3148	1	Dreyer	Dreyer	NNP
39142	3148	2	's	's	POS
39142	3148	3	new	new	JJ
39142	3148	4	general	general	JJ
39142	3148	5	catalogue	catalogue	NN
39142	3148	6	(	(	-LRB-
39142	3148	7	N.G.C.	N.G.C.	NNP
39142	3148	8	)	)	-RRB-
39142	3149	1	is	be	VBZ
39142	3149	2	the	the	DT
39142	3149	3	best	good	JJS
39142	3149	4	and	and	CC
39142	3149	5	most	most	RBS
39142	3149	6	useful	useful	JJ
39142	3149	7	.	.	.
39142	3150	1	Many	many	JJ
39142	3150	2	of	of	IN
39142	3150	3	the	the	DT
39142	3150	4	nebulæ	nebulæ	NN
39142	3150	5	,	,	,
39142	3150	6	especially	especially	RB
39142	3150	7	the	the	DT
39142	3150	8	large	large	JJ
39142	3150	9	ones	one	NNS
39142	3150	10	,	,	,
39142	3150	11	can	can	MD
39142	3150	12	only	only	RB
39142	3150	13	be	be	VB
39142	3150	14	classified	classify	VBN
39142	3150	15	as	as	IN
39142	3150	16	irregular	irregular	JJ
39142	3150	17	nebulæ	nebulæ	NN
39142	3150	18	.	.	.
39142	3151	1	The	the	DT
39142	3151	2	Orion	Orion	NNP
39142	3151	3	nebula	nebula	NN
39142	3151	4	is	be	VBZ
39142	3151	5	the	the	DT
39142	3151	6	principal	principal	JJ
39142	3151	7	one	one	CD
39142	3151	8	of	of	IN
39142	3151	9	this	this	DT
39142	3151	10	class	class	NN
39142	3151	11	,	,	,
39142	3151	12	revealing	reveal	VBG
39142	3151	13	an	an	DT
39142	3151	14	enormous	enormous	JJ
39142	3151	15	amount	amount	NN
39142	3151	16	of	of	IN
39142	3151	17	complicated	complicated	JJ
39142	3151	18	detail	detail	NN
39142	3151	19	,	,	,
39142	3151	20	with	with	IN
39142	3151	21	exceptional	exceptional	JJ
39142	3151	22	brilliancy	brilliancy	NN
39142	3151	23	of	of	IN
39142	3151	24	many	many	JJ
39142	3151	25	regions	region	NNS
39142	3151	26	and	and	CC
39142	3151	27	filaments	filament	NNS
39142	3151	28	.	.	.
39142	3152	1	An	an	DT
39142	3152	2	extraordinary	extraordinary	JJ
39142	3152	3	multiple	multiple	JJ
39142	3152	4	star	star	NN
39142	3152	5	,	,	,
39142	3152	6	Theta	Theta	NNP
39142	3152	7	Orionis	Orionis	NNP
39142	3152	8	,	,	,
39142	3152	9	occupies	occupy	VBZ
39142	3152	10	a	a	DT
39142	3152	11	very	very	RB
39142	3152	12	prominent	prominent	JJ
39142	3152	13	position	position	NN
39142	3152	14	in	in	IN
39142	3152	15	the	the	DT
39142	3152	16	nebula	nebula	NN
39142	3152	17	,	,	,
39142	3152	18	and	and	CC
39142	3152	19	photographs	photograph	NNS
39142	3152	20	by	by	IN
39142	3152	21	Pickering	Pickering	NNP
39142	3152	22	have	have	VBP
39142	3152	23	brought	bring	VBN
39142	3152	24	to	to	IN
39142	3152	25	light	light	JJ
39142	3152	26	curved	curved	JJ
39142	3152	27	filaments	filament	NNS
39142	3152	28	,	,	,
39142	3152	29	very	very	RB
39142	3152	30	faint	faint	JJ
39142	3152	31	and	and	CC
39142	3152	32	optically	optically	RB
39142	3152	33	invisible	invisible	JJ
39142	3152	34	,	,	,
39142	3152	35	in	in	IN
39142	3152	36	the	the	DT
39142	3152	37	outlying	outlying	JJ
39142	3152	38	regions	region	NNS
39142	3152	39	which	which	WDT
39142	3152	40	give	give	VBP
39142	3152	41	the	the	DT
39142	3152	42	Orion	Orion	NNP
39142	3152	43	nebula	nebula	NN
39142	3152	44	in	in	IN
39142	3152	45	part	part	NN
39142	3152	46	a	a	DT
39142	3152	47	spiral	spiral	JJ
39142	3152	48	character	character	NN
39142	3152	49	.	.	.
39142	3153	1	But	but	CC
39142	3153	2	the	the	DT
39142	3153	3	delicate	delicate	JJ
39142	3153	4	optical	optical	JJ
39142	3153	5	wisps	wisp	NNS
39142	3153	6	of	of	IN
39142	3153	7	this	this	DT
39142	3153	8	nebula	nebula	NN
39142	3153	9	are	be	VBP
39142	3153	10	well	well	RB
39142	3153	11	seen	see	VBN
39142	3153	12	,	,	,
39142	3153	13	even	even	RB
39142	3153	14	in	in	IN
39142	3153	15	very	very	RB
39142	3153	16	small	small	JJ
39142	3153	17	telescopes	telescope	NNS
39142	3153	18	.	.	.
39142	3154	1	Its	-PRON-	PRP$
39142	3154	2	spectrum	spectrum	NN
39142	3154	3	yields	yield	VBZ
39142	3154	4	hydrogen	hydrogen	NN
39142	3154	5	,	,	,
39142	3154	6	helium	helium	NN
39142	3154	7	and	and	CC
39142	3154	8	nitrogen	nitrogen	NN
39142	3154	9	.	.	.
39142	3155	1	The	the	DT
39142	3155	2	Orion	Orion	NNP
39142	3155	3	nebula	nebula	NN
39142	3155	4	is	be	VBZ
39142	3155	5	receding	recede	VBG
39142	3155	6	from	from	IN
39142	3155	7	the	the	DT
39142	3155	8	earth	earth	NN
39142	3155	9	about	about	RB
39142	3155	10	eleven	eleven	CD
39142	3155	11	miles	mile	NNS
39142	3155	12	in	in	IN
39142	3155	13	every	every	DT
39142	3155	14	second	second	NN
39142	3155	15	.	.	.
39142	3156	1	Keeler	Keeler	NNP
39142	3156	2	and	and	CC
39142	3156	3	Campbell	Campbell	NNP
39142	3156	4	have	have	VBP
39142	3156	5	shown	show	VBN
39142	3156	6	that	that	IN
39142	3156	7	nearly	nearly	RB
39142	3156	8	every	every	DT
39142	3156	9	line	line	NN
39142	3156	10	of	of	IN
39142	3156	11	the	the	DT
39142	3156	12	nebular	nebular	JJ
39142	3156	13	spectrum	spectrum	NN
39142	3156	14	is	be	VBZ
39142	3156	15	a	a	DT
39142	3156	16	counterpart	counterpart	NN
39142	3156	17	of	of	IN
39142	3156	18	a	a	DT
39142	3156	19	prominent	prominent	JJ
39142	3156	20	dark	dark	JJ
39142	3156	21	line	line	NN
39142	3156	22	in	in	IN
39142	3156	23	the	the	DT
39142	3156	24	spectrum	spectrum	NN
39142	3156	25	of	of	IN
39142	3156	26	the	the	DT
39142	3156	27	brighter	bright	JJR
39142	3156	28	stars	star	NNS
39142	3156	29	of	of	IN
39142	3156	30	the	the	DT
39142	3156	31	constellation	constellation	NN
39142	3156	32	of	of	IN
39142	3156	33	Orion	Orion	NNP
39142	3156	34	.	.	.
39142	3157	1	A	a	DT
39142	3157	2	recent	recent	JJ
39142	3157	3	investigator	investigator	NN
39142	3157	4	of	of	IN
39142	3157	5	the	the	DT
39142	3157	6	distribution	distribution	NN
39142	3157	7	of	of	IN
39142	3157	8	luminosity	luminosity	NN
39142	3157	9	in	in	IN
39142	3157	10	the	the	DT
39142	3157	11	great	great	JJ
39142	3157	12	nebula	nebula	NN
39142	3157	13	of	of	IN
39142	3157	14	Orion	Orion	NNP
39142	3157	15	finds	find	VBZ
39142	3157	16	that	that	IN
39142	3157	17	radiations	radiation	NNS
39142	3157	18	from	from	IN
39142	3157	19	nebulium	nebulium	NN
39142	3157	20	are	be	VBP
39142	3157	21	confined	confine	VBN
39142	3157	22	chiefly	chiefly	RB
39142	3157	23	to	to	IN
39142	3157	24	the	the	DT
39142	3157	25	Huygenian	huygenian	JJ
39142	3157	26	region	region	NN
39142	3157	27	of	of	IN
39142	3157	28	the	the	DT
39142	3157	29	nebula	nebula	NN
39142	3157	30	and	and	CC
39142	3157	31	its	-PRON-	PRP$
39142	3157	32	immediate	immediate	JJ
39142	3157	33	neighborhood	neighborhood	NN
39142	3157	34	.	.	.
39142	3158	1	Photography	Photography	NNP
39142	3158	2	has	have	VBZ
39142	3158	3	revealed	reveal	VBN
39142	3158	4	another	another	DT
39142	3158	5	extraordinary	extraordinary	JJ
39142	3158	6	nebula	nebula	NN
39142	3158	7	or	or	CC
39142	3158	8	group	group	NN
39142	3158	9	of	of	IN
39142	3158	10	nebulæ	nebulæ	NNP
39142	3158	11	surrounding	surround	VBG
39142	3158	12	the	the	DT
39142	3158	13	stars	star	NNS
39142	3158	14	in	in	IN
39142	3158	15	the	the	DT
39142	3158	16	Pleiades	Pleiades	NNP
39142	3158	17	,	,	,
39142	3158	18	which	which	WDT
39142	3158	19	the	the	DT
39142	3158	20	deft	deft	NN
39142	3158	21	manipulation	manipulation	NN
39142	3158	22	of	of	IN
39142	3158	23	Barnard	Barnard	NNP
39142	3158	24	has	have	VBZ
39142	3158	25	brought	bring	VBN
39142	3158	26	to	to	IN
39142	3158	27	light	light	NN
39142	3158	28	.	.	.
39142	3159	1	All	all	PDT
39142	3159	2	the	the	DT
39142	3159	3	stars	star	NNS
39142	3159	4	and	and	CC
39142	3159	5	the	the	DT
39142	3159	6	nebula	nebula	NN
39142	3159	7	are	be	VBP
39142	3159	8	so	so	RB
39142	3159	9	interrelated	interrelated	JJ
39142	3159	10	that	that	IN
39142	3159	11	they	-PRON-	PRP
39142	3159	12	are	be	VBP
39142	3159	13	obviously	obviously	RB
39142	3159	14	bound	bind	VBN
39142	3159	15	together	together	RB
39142	3159	16	physically	physically	RB
39142	3159	17	,	,	,
39142	3159	18	as	as	IN
39142	3159	19	the	the	DT
39142	3159	20	common	common	JJ
39142	3159	21	proper	proper	JJ
39142	3159	22	motion	motion	NN
39142	3159	23	of	of	IN
39142	3159	24	the	the	DT
39142	3159	25	stars	star	NNS
39142	3159	26	also	also	RB
39142	3159	27	appears	appear	VBZ
39142	3159	28	to	to	TO
39142	3159	29	show	show	VB
39142	3159	30	.	.	.
39142	3160	1	Also	also	RB
39142	3160	2	in	in	IN
39142	3160	3	the	the	DT
39142	3160	4	constellation	constellation	NN
39142	3160	5	Cygnus	Cygnus	NNP
39142	3160	6	,	,	,
39142	3160	7	Barnard	Barnard	NNP
39142	3160	8	has	have	VBZ
39142	3160	9	discovered	discover	VBN
39142	3160	10	very	very	RB
39142	3160	11	extensive	extensive	JJ
39142	3160	12	nebulosities	nebulositie	NNS
39142	3160	13	of	of	IN
39142	3160	14	a	a	DT
39142	3160	15	delicate	delicate	JJ
39142	3160	16	filmy	filmy	JJ
39142	3160	17	cloudlike	cloudlike	NN
39142	3160	18	nature	nature	NN
39142	3160	19	which	which	WDT
39142	3160	20	are	be	VBP
39142	3160	21	wholly	wholly	RB
39142	3160	22	invisible	invisible	JJ
39142	3160	23	with	with	IN
39142	3160	24	telescopes	telescope	NNS
39142	3160	25	,	,	,
39142	3160	26	but	but	CC
39142	3160	27	very	very	RB
39142	3160	28	obvious	obvious	JJ
39142	3160	29	on	on	IN
39142	3160	30	highly	highly	RB
39142	3160	31	sensitive	sensitive	JJ
39142	3160	32	plates	plate	NNS
39142	3160	33	with	with	IN
39142	3160	34	long	long	JJ
39142	3160	35	exposures	exposure	NNS
39142	3160	36	.	.	.
39142	3161	1	Another	another	DT
39142	3161	2	class	class	NN
39142	3161	3	of	of	IN
39142	3161	4	these	these	DT
39142	3161	5	objects	object	NNS
39142	3161	6	are	be	VBP
39142	3161	7	the	the	DT
39142	3161	8	annular	annular	JJ
39142	3161	9	and	and	CC
39142	3161	10	elliptic	elliptic	JJ
39142	3161	11	nebulæ	nebulæ	NN
39142	3161	12	which	which	WDT
39142	3161	13	are	be	VBP
39142	3161	14	not	not	RB
39142	3161	15	very	very	RB
39142	3161	16	abundant	abundant	JJ
39142	3161	17	.	.	.
39142	3162	1	The	the	DT
39142	3162	2	southern	southern	JJ
39142	3162	3	constellation	constellation	NN
39142	3162	4	Grus	Grus	NNP
39142	3162	5	,	,	,
39142	3162	6	the	the	DT
39142	3162	7	crane	crane	NN
39142	3162	8	,	,	,
39142	3162	9	contains	contain	VBZ
39142	3162	10	a	a	DT
39142	3162	11	fine	fine	JJ
39142	3162	12	one	one	NN
39142	3162	13	,	,	,
39142	3162	14	but	but	CC
39142	3162	15	by	by	IN
39142	3162	16	far	far	RB
39142	3162	17	the	the	DT
39142	3162	18	best	good	JJS
39142	3162	19	example	example	NN
39142	3162	20	is	be	VBZ
39142	3162	21	in	in	IN
39142	3162	22	the	the	DT
39142	3162	23	constellation	constellation	NN
39142	3162	24	Lyra	Lyra	NNP
39142	3162	25	.	.	.
39142	3163	1	It	-PRON-	PRP
39142	3163	2	is	be	VBZ
39142	3163	3	a	a	DT
39142	3163	4	nearly	nearly	RB
39142	3163	5	perfect	perfect	JJ
39142	3163	6	ring	ring	NN
39142	3163	7	,	,	,
39142	3163	8	elliptic	elliptic	JJ
39142	3163	9	in	in	IN
39142	3163	10	figure	figure	NN
39142	3163	11	,	,	,
39142	3163	12	exceedingly	exceedingly	RB
39142	3163	13	faint	faint	JJ
39142	3163	14	in	in	IN
39142	3163	15	small	small	JJ
39142	3163	16	telescopes	telescope	NNS
39142	3163	17	;	;	:
39142	3163	18	but	but	CC
39142	3163	19	large	large	JJ
39142	3163	20	instruments	instrument	NNS
39142	3163	21	reveal	reveal	VBP
39142	3163	22	many	many	JJ
39142	3163	23	stars	star	NNS
39142	3163	24	within	within	IN
39142	3163	25	the	the	DT
39142	3163	26	annulus	annulus	NN
39142	3163	27	,	,	,
39142	3163	28	one	one	CD
39142	3163	29	near	near	IN
39142	3163	30	the	the	DT
39142	3163	31	center	center	NN
39142	3163	32	which	which	WDT
39142	3163	33	,	,	,
39142	3163	34	although	although	IN
39142	3163	35	very	very	RB
39142	3163	36	faint	faint	JJ
39142	3163	37	to	to	IN
39142	3163	38	the	the	DT
39142	3163	39	eye	eye	NN
39142	3163	40	,	,	,
39142	3163	41	is	be	VBZ
39142	3163	42	always	always	RB
39142	3163	43	an	an	DT
39142	3163	44	easy	easy	JJ
39142	3163	45	object	object	NN
39142	3163	46	on	on	IN
39142	3163	47	the	the	DT
39142	3163	48	photographic	photographic	JJ
39142	3163	49	plate	plate	NN
39142	3163	50	,	,	,
39142	3163	51	because	because	IN
39142	3163	52	it	-PRON-	PRP
39142	3163	53	is	be	VBZ
39142	3163	54	rich	rich	JJ
39142	3163	55	in	in	IN
39142	3163	56	blue	blue	JJ
39142	3163	57	and	and	CC
39142	3163	58	violet	violet	NN
39142	3163	59	rays	ray	NNS
39142	3163	60	.	.	.
39142	3164	1	The	the	DT
39142	3164	2	parallax	parallax	NN
39142	3164	3	of	of	IN
39142	3164	4	the	the	DT
39142	3164	5	ring	ring	NN
39142	3164	6	nebula	nebula	NN
39142	3164	7	in	in	IN
39142	3164	8	Lyra	Lyra	NNP
39142	3164	9	comes	come	VBZ
39142	3164	10	out	out	RP
39142	3164	11	only	only	RB
39142	3164	12	one	one	CD
39142	3164	13	-	-	HYPH
39142	3164	14	sixth	sixth	NN
39142	3164	15	of	of	IN
39142	3164	16	that	that	DT
39142	3164	17	of	of	IN
39142	3164	18	the	the	DT
39142	3164	19	planetary	planetary	NN
39142	3164	20	nebulæ	nebulæ	NN
39142	3164	21	,	,	,
39142	3164	22	and	and	CC
39142	3164	23	the	the	DT
39142	3164	24	least	least	RBS
39142	3164	25	greatest	great	JJS
39142	3164	26	diameters	diameter	NNS
39142	3164	27	of	of	IN
39142	3164	28	this	this	DT
39142	3164	29	huge	huge	JJ
39142	3164	30	continuous	continuous	JJ
39142	3164	31	ring	ring	NN
39142	3164	32	are	be	VBP
39142	3164	33	250	250	CD
39142	3164	34	and	and	CC
39142	3164	35	330	330	CD
39142	3164	36	times	time	NNS
39142	3164	37	the	the	DT
39142	3164	38	orbit	orbit	NN
39142	3164	39	of	of	IN
39142	3164	40	Neptune	Neptune	NNP
39142	3164	41	.	.	.
39142	3165	1	Planetary	planetary	JJ
39142	3165	2	nebulæ	nebulæ	NN
39142	3165	3	and	and	CC
39142	3165	4	nebulous	nebulous	JJ
39142	3165	5	stars	star	NNS
39142	3165	6	are	be	VBP
39142	3165	7	yet	yet	RB
39142	3165	8	another	another	DT
39142	3165	9	class	class	NN
39142	3165	10	of	of	IN
39142	3165	11	nebulæ	nebulæ	NN
39142	3165	12	,	,	,
39142	3165	13	for	for	IN
39142	3165	14	the	the	DT
39142	3165	15	most	most	JJS
39142	3165	16	part	part	NN
39142	3165	17	faint	faint	JJ
39142	3165	18	and	and	CC
39142	3165	19	small	small	JJ
39142	3165	20	,	,	,
39142	3165	21	resembling	resemble	VBG
39142	3165	22	in	in	IN
39142	3165	23	some	some	DT
39142	3165	24	measure	measure	NN
39142	3165	25	a	a	DT
39142	3165	26	planetary	planetary	NN
39142	3165	27	disk	disk	NN
39142	3165	28	or	or	CC
39142	3165	29	a	a	DT
39142	3165	30	star	star	NN
39142	3165	31	with	with	IN
39142	3165	32	nebulous	nebulous	JJ
39142	3165	33	outline	outline	NN
39142	3165	34	.	.	.
39142	3166	1	Practically	practically	RB
39142	3166	2	all	all	DT
39142	3166	3	are	be	VBP
39142	3166	4	gaseous	gaseous	JJ
39142	3166	5	in	in	IN
39142	3166	6	composition	composition	NN
39142	3166	7	,	,	,
39142	3166	8	and	and	CC
39142	3166	9	have	have	VB
39142	3166	10	large	large	JJ
39142	3166	11	radial	radial	JJ
39142	3166	12	velocities	velocity	NNS
39142	3166	13	.	.	.
39142	3167	1	Probably	probably	RB
39142	3167	2	they	-PRON-	PRP
39142	3167	3	are	be	VBP
39142	3167	4	located	locate	VBN
39142	3167	5	within	within	IN
39142	3167	6	our	-PRON-	PRP$
39142	3167	7	own	own	JJ
39142	3167	8	stellar	stellar	JJ
39142	3167	9	system	system	NN
39142	3167	10	.	.	.
39142	3168	1	The	the	DT
39142	3168	2	parallaxes	parallax	NNS
39142	3168	3	of	of	IN
39142	3168	4	several	several	JJ
39142	3168	5	of	of	IN
39142	3168	6	them	-PRON-	PRP
39142	3168	7	have	have	VBP
39142	3168	8	been	be	VBN
39142	3168	9	measured	measure	VBN
39142	3168	10	by	by	IN
39142	3168	11	Van	Van	NNP
39142	3168	12	Maanen	Maanen	NNP
39142	3168	13	:	:	:
39142	3168	14	one	one	CD
39142	3168	15	of	of	IN
39142	3168	16	the	the	DT
39142	3168	17	very	very	RB
39142	3168	18	small	small	JJ
39142	3168	19	angle	angle	NN
39142	3168	20	0".023	0".023	NNP
39142	3168	21	,	,	,
39142	3168	22	which	which	WDT
39142	3168	23	enables	enable	VBZ
39142	3168	24	us	-PRON-	PRP
39142	3168	25	to	to	TO
39142	3168	26	calculate	calculate	VB
39142	3168	27	the	the	DT
39142	3168	28	diameter	diameter	NN
39142	3168	29	of	of	IN
39142	3168	30	this	this	DT
39142	3168	31	faint	faint	JJ
39142	3168	32	but	but	CC
39142	3168	33	interesting	interesting	JJ
39142	3168	34	object	object	NN
39142	3168	35	as	as	RB
39142	3168	36	equal	equal	JJ
39142	3168	37	to	to	IN
39142	3168	38	nineteen	nineteen	CD
39142	3168	39	times	time	NNS
39142	3168	40	the	the	DT
39142	3168	41	orbit	orbit	NN
39142	3168	42	of	of	IN
39142	3168	43	Neptune	Neptune	NNP
39142	3168	44	.	.	.
39142	3169	1	CHAPTER	chapter	NN
39142	3169	2	LIX	LIX	NNP
39142	3169	3	THE	the	DT
39142	3169	4	SPIRAL	SPIRAL	NNP
39142	3169	5	NEBULÆ	NEBULÆ	NNP
39142	3169	6	Last	last	RB
39142	3169	7	and	and	CC
39142	3169	8	most	most	RBS
39142	3169	9	important	important	JJ
39142	3169	10	of	of	IN
39142	3169	11	all	all	DT
39142	3169	12	are	be	VBP
39142	3169	13	the	the	DT
39142	3169	14	spiral	spiral	JJ
39142	3169	15	nebulæ	nebulæ	NN
39142	3169	16	.	.	.
39142	3170	1	The	the	DT
39142	3170	2	finest	fine	JJS
39142	3170	3	example	example	NN
39142	3170	4	is	be	VBZ
39142	3170	5	in	in	IN
39142	3170	6	the	the	DT
39142	3170	7	constellation	constellation	NN
39142	3170	8	Canes	Canes	NNP
39142	3170	9	Venatici	Venatici	NNP
39142	3170	10	,	,	,
39142	3170	11	and	and	CC
39142	3170	12	its	-PRON-	PRP$
39142	3170	13	spiral	spiral	JJ
39142	3170	14	configuration	configuration	NN
39142	3170	15	was	be	VBD
39142	3170	16	first	first	RB
39142	3170	17	noted	note	VBN
39142	3170	18	by	by	IN
39142	3170	19	Lord	Lord	NNP
39142	3170	20	Rosse	Rosse	NNP
39142	3170	21	,	,	,
39142	3170	22	an	an	DT
39142	3170	23	epoch	epoch	NN
39142	3170	24	-	-	HYPH
39142	3170	25	making	make	VBG
39142	3170	26	discovery	discovery	NN
39142	3170	27	.	.	.
39142	3171	1	The	the	DT
39142	3171	2	convolutions	convolution	NNS
39142	3171	3	of	of	IN
39142	3171	4	its	-PRON-	PRP$
39142	3171	5	spiral	spiral	NN
39142	3171	6	are	be	VBP
39142	3171	7	filled	fill	VBN
39142	3171	8	with	with	IN
39142	3171	9	numerous	numerous	JJ
39142	3171	10	starlike	starlike	NN
39142	3171	11	condensations	condensation	NNS
39142	3171	12	,	,	,
39142	3171	13	themselves	-PRON-	PRP
39142	3171	14	engulfed	engulf	VBD
39142	3171	15	in	in	IN
39142	3171	16	nebulosity	nebulosity	NN
39142	3171	17	.	.	.
39142	3172	1	Photography	Photography	NNP
39142	3172	2	possesses	possess	VBZ
39142	3172	3	a	a	DT
39142	3172	4	vast	vast	JJ
39142	3172	5	advantage	advantage	NN
39142	3172	6	over	over	IN
39142	3172	7	the	the	DT
39142	3172	8	eye	eye	NN
39142	3172	9	in	in	IN
39142	3172	10	revealing	reveal	VBG
39142	3172	11	the	the	DT
39142	3172	12	marvelous	marvelous	JJ
39142	3172	13	character	character	NN
39142	3172	14	of	of	IN
39142	3172	15	this	this	DT
39142	3172	16	object	object	NN
39142	3172	17	,	,	,
39142	3172	18	an	an	DT
39142	3172	19	inconceivably	inconceivably	RB
39142	3172	20	vast	vast	JJ
39142	3172	21	celestial	celestial	JJ
39142	3172	22	whirlpool	whirlpool	NN
39142	3172	23	.	.	.
39142	3173	1	Naturally	naturally	RB
39142	3173	2	the	the	DT
39142	3173	3	central	central	JJ
39142	3173	4	regions	region	NNS
39142	3173	5	of	of	IN
39142	3173	6	the	the	DT
39142	3173	7	whorl	whorl	NN
39142	3173	8	would	would	MD
39142	3173	9	revolve	revolve	VB
39142	3173	10	most	most	RBS
39142	3173	11	swiftly	swiftly	RB
39142	3173	12	,	,	,
39142	3173	13	but	but	CC
39142	3173	14	no	no	DT
39142	3173	15	comparison	comparison	NN
39142	3173	16	of	of	IN
39142	3173	17	drawings	drawing	NNS
39142	3173	18	and	and	CC
39142	3173	19	photographs	photograph	NNS
39142	3173	20	,	,	,
39142	3173	21	separated	separate	VBN
39142	3173	22	by	by	IN
39142	3173	23	intervals	interval	NNS
39142	3173	24	of	of	IN
39142	3173	25	many	many	JJ
39142	3173	26	years	year	NNS
39142	3173	27	,	,	,
39142	3173	28	has	have	VBZ
39142	3173	29	yet	yet	RB
39142	3173	30	revealed	reveal	VBN
39142	3173	31	even	even	RB
39142	3173	32	a	a	DT
39142	3173	33	trace	trace	NN
39142	3173	34	of	of	IN
39142	3173	35	any	any	DT
39142	3173	36	such	such	JJ
39142	3173	37	motion	motion	NN
39142	3173	38	.	.	.
39142	3174	1	The	the	DT
39142	3174	2	number	number	NN
39142	3174	3	of	of	IN
39142	3174	4	large	large	JJ
39142	3174	5	spiral	spiral	JJ
39142	3174	6	nebulæ	nebulæ	NN
39142	3174	7	is	be	VBZ
39142	3174	8	not	not	RB
39142	3174	9	very	very	RB
39142	3174	10	great	great	JJ
39142	3174	11	;	;	:
39142	3174	12	the	the	DT
39142	3174	13	largest	large	JJS
39142	3174	14	of	of	IN
39142	3174	15	all	all	DT
39142	3174	16	is	be	VBZ
39142	3174	17	the	the	DT
39142	3174	18	great	great	JJ
39142	3174	19	nebula	nebula	NN
39142	3174	20	of	of	IN
39142	3174	21	Andromeda	Andromeda	NNP
39142	3174	22	,	,	,
39142	3174	23	whose	whose	WP$
39142	3174	24	length	length	NN
39142	3174	25	stretches	stretch	NNS
39142	3174	26	over	over	IN
39142	3174	27	an	an	DT
39142	3174	28	arc	arc	NN
39142	3174	29	of	of	IN
39142	3174	30	seven	seven	CD
39142	3174	31	times	time	NNS
39142	3174	32	the	the	DT
39142	3174	33	breadth	breadth	NN
39142	3174	34	of	of	IN
39142	3174	35	the	the	DT
39142	3174	36	moon	moon	NN
39142	3174	37	,	,	,
39142	3174	38	and	and	CC
39142	3174	39	its	-PRON-	PRP$
39142	3174	40	width	width	NN
39142	3174	41	about	about	IN
39142	3174	42	half	half	NN
39142	3174	43	as	as	RB
39142	3174	44	great	great	JJ
39142	3174	45	.	.	.
39142	3175	1	This	this	DT
39142	3175	2	nebula	nebula	NN
39142	3175	3	is	be	VBZ
39142	3175	4	a	a	DT
39142	3175	5	naked	naked	JJ
39142	3175	6	-	-	HYPH
39142	3175	7	eye	eye	NN
39142	3175	8	object	object	NN
39142	3175	9	near	near	IN
39142	3175	10	Eta	Eta	NNP
39142	3175	11	Andromedæ	Andromedæ	NNP
39142	3175	12	,	,	,
39142	3175	13	and	and	CC
39142	3175	14	it	-PRON-	PRP
39142	3175	15	is	be	VBZ
39142	3175	16	often	often	RB
39142	3175	17	mistaken	mistaken	JJ
39142	3175	18	for	for	IN
39142	3175	19	a	a	DT
39142	3175	20	comet	comet	NN
39142	3175	21	.	.	.
39142	3176	1	Optically	optically	RB
39142	3176	2	it	-PRON-	PRP
39142	3176	3	was	be	VBD
39142	3176	4	always	always	RB
39142	3176	5	a	a	DT
39142	3176	6	puzzle	puzzle	NN
39142	3176	7	,	,	,
39142	3176	8	but	but	CC
39142	3176	9	photographs	photograph	NNS
39142	3176	10	by	by	IN
39142	3176	11	Roberts	Roberts	NNP
39142	3176	12	of	of	IN
39142	3176	13	England	England	NNP
39142	3176	14	first	first	RB
39142	3176	15	revealed	reveal	VBD
39142	3176	16	the	the	DT
39142	3176	17	true	true	JJ
39142	3176	18	spiral	spiral	NN
39142	3176	19	,	,	,
39142	3176	20	with	with	IN
39142	3176	21	ringlike	ringlike	JJ
39142	3176	22	formations	formation	NNS
39142	3176	23	partially	partially	RB
39142	3176	24	distinct	distinct	JJ
39142	3176	25	,	,	,
39142	3176	26	and	and	CC
39142	3176	27	knots	knot	NNS
39142	3176	28	of	of	IN
39142	3176	29	condensing	condense	VBG
39142	3176	30	nebulosity	nebulosity	NN
39142	3176	31	as	as	IN
39142	3176	32	of	of	IN
39142	3176	33	companion	companion	NN
39142	3176	34	stars	star	NNS
39142	3176	35	in	in	IN
39142	3176	36	the	the	DT
39142	3176	37	making	making	NN
39142	3176	38	.	.	.
39142	3177	1	While	while	IN
39142	3177	2	its	-PRON-	PRP$
39142	3177	3	spectrum	spectrum	NN
39142	3177	4	shows	show	VBZ
39142	3177	5	the	the	DT
39142	3177	6	nongaseous	nongaseous	JJ
39142	3177	7	constitution	constitution	NN
39142	3177	8	of	of	IN
39142	3177	9	this	this	DT
39142	3177	10	nebula	nebula	NN
39142	3177	11	,	,	,
39142	3177	12	no	no	DT
39142	3177	13	telescope	telescope	NN
39142	3177	14	has	have	VBZ
39142	3177	15	yet	yet	RB
39142	3177	16	resolved	resolve	VBN
39142	3177	17	it	-PRON-	PRP
39142	3177	18	into	into	IN
39142	3177	19	component	component	NN
39142	3177	20	stars	star	NNS
39142	3177	21	.	.	.
39142	3178	1	Systematic	systematic	JJ
39142	3178	2	search	search	NN
39142	3178	3	for	for	IN
39142	3178	4	spiral	spiral	JJ
39142	3178	5	nebulæ	nebulæ	NN
39142	3178	6	by	by	IN
39142	3178	7	Keeler	Keeler	NNP
39142	3178	8	,	,	,
39142	3178	9	and	and	CC
39142	3178	10	later	later	RB
39142	3178	11	continued	continue	VBN
39142	3178	12	by	by	IN
39142	3178	13	Perrine	Perrine	NNP
39142	3178	14	,	,	,
39142	3178	15	at	at	IN
39142	3178	16	the	the	DT
39142	3178	17	Lick	Lick	NNP
39142	3178	18	Observatory	Observatory	NNP
39142	3178	19	,	,	,
39142	3178	20	with	with	IN
39142	3178	21	the	the	DT
39142	3178	22	36-inch	36-inch	CD
39142	3178	23	Crossley	Crossley	NNP
39142	3178	24	reflector	reflector	NN
39142	3178	25	,	,	,
39142	3178	26	disclosed	disclose	VBD
39142	3178	27	the	the	DT
39142	3178	28	existence	existence	NN
39142	3178	29	of	of	IN
39142	3178	30	vast	vast	JJ
39142	3178	31	numbers	number	NNS
39142	3178	32	of	of	IN
39142	3178	33	these	these	DT
39142	3178	34	objects	object	NNS
39142	3178	35	,	,	,
39142	3178	36	in	in	IN
39142	3178	37	fact	fact	NN
39142	3178	38	many	many	JJ
39142	3178	39	hundreds	hundred	NNS
39142	3178	40	of	of	IN
39142	3178	41	thousands	thousand	NNS
39142	3178	42	by	by	IN
39142	3178	43	estimation	estimation	NN
39142	3178	44	;	;	:
39142	3178	45	so	so	IN
39142	3178	46	that	that	IN
39142	3178	47	,	,	,
39142	3178	48	next	next	RB
39142	3178	49	to	to	IN
39142	3178	50	the	the	DT
39142	3178	51	stars	star	NNS
39142	3178	52	,	,	,
39142	3178	53	the	the	DT
39142	3178	54	spiral	spiral	JJ
39142	3178	55	nebulæ	nebulæ	NN
39142	3178	56	are	be	VBP
39142	3178	57	by	by	IN
39142	3178	58	far	far	RB
39142	3178	59	the	the	DT
39142	3178	60	most	most	RBS
39142	3178	61	abundant	abundant	JJ
39142	3178	62	of	of	IN
39142	3178	63	all	all	DT
39142	3178	64	objects	object	NNS
39142	3178	65	in	in	IN
39142	3178	66	the	the	DT
39142	3178	67	sky	sky	NN
39142	3178	68	.	.	.
39142	3179	1	They	-PRON-	PRP
39142	3179	2	present	present	VBP
39142	3179	3	every	every	DT
39142	3179	4	phase	phase	NN
39142	3179	5	according	accord	VBG
39142	3179	6	to	to	IN
39142	3179	7	the	the	DT
39142	3179	8	angle	angle	NN
39142	3179	9	of	of	IN
39142	3179	10	their	-PRON-	PRP$
39142	3179	11	plane	plane	NN
39142	3179	12	with	with	IN
39142	3179	13	the	the	DT
39142	3179	14	line	line	NN
39142	3179	15	of	of	IN
39142	3179	16	sight	sight	NN
39142	3179	17	,	,	,
39142	3179	18	and	and	CC
39142	3179	19	the	the	DT
39142	3179	20	convolutions	convolution	NNS
39142	3179	21	of	of	IN
39142	3179	22	the	the	DT
39142	3179	23	open	open	JJ
39142	3179	24	ones	one	NNS
39142	3179	25	are	be	VBP
39142	3179	26	very	very	RB
39142	3179	27	perfectly	perfectly	RB
39142	3179	28	marked	marked	JJ
39142	3179	29	.	.	.
39142	3180	1	Many	many	JJ
39142	3180	2	are	be	VBP
39142	3180	3	filled	fill	VBN
39142	3180	4	with	with	IN
39142	3180	5	stars	star	NNS
39142	3180	6	in	in	IN
39142	3180	7	all	all	DT
39142	3180	8	degrees	degree	NNS
39142	3180	9	of	of	IN
39142	3180	10	condensation	condensation	NN
39142	3180	11	,	,	,
39142	3180	12	and	and	CC
39142	3180	13	the	the	DT
39142	3180	14	appearance	appearance	NN
39142	3180	15	is	be	VBZ
39142	3180	16	strongly	strongly	RB
39142	3180	17	as	as	IN
39142	3180	18	if	if	IN
39142	3180	19	stars	star	NNS
39142	3180	20	are	be	VBP
39142	3180	21	here	here	RB
39142	3180	22	caught	catch	VBN
39142	3180	23	in	in	IN
39142	3180	24	every	every	DT
39142	3180	25	step	step	NN
39142	3180	26	of	of	IN
39142	3180	27	the	the	DT
39142	3180	28	process	process	NN
39142	3180	29	of	of	IN
39142	3180	30	making	make	VBG
39142	3180	31	.	.	.
39142	3181	1	The	the	DT
39142	3181	2	vast	vast	JJ
39142	3181	3	multitude	multitude	NN
39142	3181	4	of	of	IN
39142	3181	5	the	the	DT
39142	3181	6	spiral	spiral	JJ
39142	3181	7	nebulæ	nebulæ	NN
39142	3181	8	indicates	indicate	VBZ
39142	3181	9	clearly	clearly	RB
39142	3181	10	their	-PRON-	PRP$
39142	3181	11	importance	importance	NN
39142	3181	12	in	in	IN
39142	3181	13	the	the	DT
39142	3181	14	theory	theory	NN
39142	3181	15	of	of	IN
39142	3181	16	the	the	DT
39142	3181	17	cosmogony	cosmogony	NN
39142	3181	18	,	,	,
39142	3181	19	or	or	CC
39142	3181	20	science	science	NN
39142	3181	21	of	of	IN
39142	3181	22	the	the	DT
39142	3181	23	development	development	NN
39142	3181	24	of	of	IN
39142	3181	25	the	the	DT
39142	3181	26	material	material	JJ
39142	3181	27	universe	universe	NN
39142	3181	28	.	.	.
39142	3182	1	Curtis	Curtis	NNP
39142	3182	2	of	of	IN
39142	3182	3	the	the	DT
39142	3182	4	Lick	Lick	NNP
39142	3182	5	Observatory	Observatory	NNP
39142	3182	6	has	have	VBZ
39142	3182	7	lately	lately	RB
39142	3182	8	extended	extend	VBN
39142	3182	9	the	the	DT
39142	3182	10	estimated	estimate	VBN
39142	3182	11	number	number	NN
39142	3182	12	of	of	IN
39142	3182	13	these	these	DT
39142	3182	14	objects	object	NNS
39142	3182	15	to	to	IN
39142	3182	16	700,000	700,000	CD
39142	3182	17	.	.	.
39142	3183	1	He	-PRON-	PRP
39142	3183	2	has	have	VBZ
39142	3183	3	also	also	RB
39142	3183	4	photographed	photograph	VBN
39142	3183	5	with	with	IN
39142	3183	6	the	the	DT
39142	3183	7	Crossley	Crossley	NNP
39142	3183	8	reflector	reflector	NN
39142	3183	9	many	many	JJ
39142	3183	10	nebulæ	nebulæ	NN
39142	3183	11	with	with	IN
39142	3183	12	lanes	lane	NNS
39142	3183	13	or	or	CC
39142	3183	14	dark	dark	JJ
39142	3183	15	streaks	streak	NNS
39142	3183	16	crossing	cross	VBG
39142	3183	17	them	-PRON-	PRP
39142	3183	18	longitudinally	longitudinally	RB
39142	3183	19	through	through	IN
39142	3183	20	or	or	CC
39142	3183	21	near	near	IN
39142	3183	22	the	the	DT
39142	3183	23	center	center	NN
39142	3183	24	.	.	.
39142	3184	1	These	these	DT
39142	3184	2	remarkable	remarkable	JJ
39142	3184	3	streaks	streak	NNS
39142	3184	4	appear	appear	VBP
39142	3184	5	as	as	IN
39142	3184	6	if	if	IN
39142	3184	7	due	due	JJ
39142	3184	8	to	to	IN
39142	3184	9	opaque	opaque	JJ
39142	3184	10	matter	matter	NN
39142	3184	11	between	between	IN
39142	3184	12	us	-PRON-	PRP
39142	3184	13	and	and	CC
39142	3184	14	the	the	DT
39142	3184	15	luminous	luminous	JJ
39142	3184	16	matter	matter	NN
39142	3184	17	of	of	IN
39142	3184	18	the	the	DT
39142	3184	19	nebula	nebula	NN
39142	3184	20	beyond	beyond	IN
39142	3184	21	.	.	.
39142	3185	1	Perhaps	perhaps	RB
39142	3185	2	a	a	DT
39142	3185	3	dark	dark	JJ
39142	3185	4	ring	ring	NN
39142	3185	5	of	of	IN
39142	3185	6	absorptive	absorptive	JJ
39142	3185	7	or	or	CC
39142	3185	8	occulting	occulting	JJ
39142	3185	9	matter	matter	NN
39142	3185	10	encircles	encircle	VBZ
39142	3185	11	the	the	DT
39142	3185	12	nebula	nebula	NN
39142	3185	13	in	in	IN
39142	3185	14	nearly	nearly	RB
39142	3185	15	the	the	DT
39142	3185	16	same	same	JJ
39142	3185	17	plane	plane	NN
39142	3185	18	with	with	IN
39142	3185	19	the	the	DT
39142	3185	20	luminous	luminous	JJ
39142	3185	21	whorls	whorls	NN
39142	3185	22	.	.	.
39142	3186	1	Duncan	Duncan	NNP
39142	3186	2	has	have	VBZ
39142	3186	3	employed	employ	VBN
39142	3186	4	the	the	DT
39142	3186	5	60-inch	60-inch	CD
39142	3186	6	Mount	Mount	NNP
39142	3186	7	Wilson	Wilson	NNP
39142	3186	8	reflector	reflector	NN
39142	3186	9	in	in	IN
39142	3186	10	photographing	photograph	VBG
39142	3186	11	bright	bright	JJ
39142	3186	12	nebulæ	nebulæ	NN
39142	3186	13	and	and	CC
39142	3186	14	star	star	NN
39142	3186	15	clusters	cluster	NNS
39142	3186	16	in	in	IN
39142	3186	17	the	the	DT
39142	3186	18	very	very	RB
39142	3186	19	interesting	interesting	JJ
39142	3186	20	regions	region	NNS
39142	3186	21	of	of	IN
39142	3186	22	Sagittarius	Sagittarius	NNP
39142	3186	23	.	.	.
39142	3187	1	One	one	CD
39142	3187	2	of	of	IN
39142	3187	3	these	these	DT
39142	3187	4	shows	show	VBZ
39142	3187	5	unmistakable	unmistakable	JJ
39142	3187	6	dark	dark	JJ
39142	3187	7	rifts	rift	NNS
39142	3187	8	or	or	CC
39142	3187	9	lanes	lane	NNS
39142	3187	10	in	in	IN
39142	3187	11	all	all	DT
39142	3187	12	parts	part	NNS
39142	3187	13	of	of	IN
39142	3187	14	the	the	DT
39142	3187	15	nebula	nebula	NN
39142	3187	16	,	,	,
39142	3187	17	resembling	resemble	VBG
39142	3187	18	the	the	DT
39142	3187	19	dark	dark	JJ
39142	3187	20	regions	region	NNS
39142	3187	21	of	of	IN
39142	3187	22	the	the	DT
39142	3187	23	neighboring	neighboring	JJ
39142	3187	24	Milky	Milky	NNP
39142	3187	25	Way	Way	NNP
39142	3187	26	.	.	.
39142	3188	1	Pease	pease	NN
39142	3188	2	of	of	IN
39142	3188	3	Mount	Mount	NNP
39142	3188	4	Wilson	Wilson	NNP
39142	3188	5	has	have	VBZ
39142	3188	6	recently	recently	RB
39142	3188	7	employed	employ	VBN
39142	3188	8	the	the	DT
39142	3188	9	60-inch	60-inch	CD
39142	3188	10	and	and	CC
39142	3188	11	the	the	DT
39142	3188	12	100-inch	100-inch	CD
39142	3188	13	reflectors	reflector	NNS
39142	3188	14	of	of	IN
39142	3188	15	the	the	DT
39142	3188	16	Mount	Mount	NNP
39142	3188	17	Wilson	Wilson	NNP
39142	3188	18	Observatory	Observatory	NNP
39142	3188	19	to	to	IN
39142	3188	20	good	good	JJ
39142	3188	21	advantage	advantage	NN
39142	3188	22	in	in	IN
39142	3188	23	photographing	photograph	VBG
39142	3188	24	several	several	JJ
39142	3188	25	hundred	hundred	CD
39142	3188	26	of	of	IN
39142	3188	27	the	the	DT
39142	3188	28	fainter	fainter	NN
39142	3188	29	nebulæ	nebulæ	NN
39142	3188	30	.	.	.
39142	3189	1	Many	many	JJ
39142	3189	2	of	of	IN
39142	3189	3	these	these	DT
39142	3189	4	are	be	VBP
39142	3189	5	spirals	spiral	NNS
39142	3189	6	,	,	,
39142	3189	7	and	and	CC
39142	3189	8	others	other	NNS
39142	3189	9	present	present	VBP
39142	3189	10	very	very	RB
39142	3189	11	intricate	intricate	JJ
39142	3189	12	and	and	CC
39142	3189	13	irregular	irregular	JJ
39142	3189	14	forms	form	NNS
39142	3189	15	.	.	.
39142	3190	1	A	a	DT
39142	3190	2	search	search	NN
39142	3190	3	was	be	VBD
39142	3190	4	made	make	VBN
39142	3190	5	for	for	IN
39142	3190	6	additional	additional	JJ
39142	3190	7	spirals	spiral	NNS
39142	3190	8	among	among	IN
39142	3190	9	the	the	DT
39142	3190	10	smaller	small	JJR
39142	3190	11	nebulæ	nebulæ	NN
39142	3190	12	along	along	IN
39142	3190	13	the	the	DT
39142	3190	14	Galaxy	Galaxy	NNP
39142	3190	15	,	,	,
39142	3190	16	but	but	CC
39142	3190	17	without	without	IN
39142	3190	18	success	success	NN
39142	3190	19	.	.	.
39142	3191	1	Several	several	JJ
39142	3191	2	of	of	IN
39142	3191	3	the	the	DT
39142	3191	4	supposedly	supposedly	RB
39142	3191	5	variable	variable	JJ
39142	3191	6	nebulæ	nebulæ	NN
39142	3191	7	are	be	VBP
39142	3191	8	found	find	VBN
39142	3191	9	to	to	TO
39142	3191	10	be	be	VB
39142	3191	11	unchanging	unchanging	JJ
39142	3191	12	.	.	.
39142	3192	1	Many	many	JJ
39142	3192	2	nights	night	NNS
39142	3192	3	in	in	IN
39142	3192	4	each	each	DT
39142	3192	5	month	month	NN
39142	3192	6	when	when	WRB
39142	3192	7	the	the	DT
39142	3192	8	moon	moon	NN
39142	3192	9	is	be	VBZ
39142	3192	10	absent	absent	JJ
39142	3192	11	are	be	VBP
39142	3192	12	devoted	devoted	JJ
39142	3192	13	to	to	IN
39142	3192	14	a	a	DT
39142	3192	15	systematic	systematic	JJ
39142	3192	16	survey	survey	NN
39142	3192	17	of	of	IN
39142	3192	18	the	the	DT
39142	3192	19	smaller	small	JJR
39142	3192	20	nebulæ	nebulæ	NN
39142	3192	21	and	and	CC
39142	3192	22	their	-PRON-	PRP$
39142	3192	23	spectra	spectra	NN
39142	3192	24	by	by	IN
39142	3192	25	photography	photography	NN
39142	3192	26	.	.	.
39142	3193	1	The	the	DT
39142	3193	2	visible	visible	JJ
39142	3193	3	spiral	spiral	JJ
39142	3193	4	figure	figure	NN
39142	3193	5	of	of	IN
39142	3193	6	all	all	PDT
39142	3193	7	these	these	DT
39142	3193	8	objects	object	NNS
39142	3193	9	is	be	VBZ
39142	3193	10	a	a	DT
39142	3193	11	double	double	JJ
39142	3193	12	-	-	HYPH
39142	3193	13	branched	branched	JJ
39142	3193	14	curve	curve	NN
39142	3193	15	,	,	,
39142	3193	16	its	-PRON-	PRP$
39142	3193	17	two	two	CD
39142	3193	18	arms	arm	NNS
39142	3193	19	joining	join	VBG
39142	3193	20	on	on	IN
39142	3193	21	the	the	DT
39142	3193	22	nucleus	nucleus	NN
39142	3193	23	in	in	IN
39142	3193	24	opposing	oppose	VBG
39142	3193	25	points	point	NNS
39142	3193	26	,	,	,
39142	3193	27	and	and	CC
39142	3193	28	coiling	coil	VBG
39142	3193	29	round	round	NN
39142	3193	30	in	in	IN
39142	3193	31	the	the	DT
39142	3193	32	same	same	JJ
39142	3193	33	geometrical	geometrical	JJ
39142	3193	34	direction	direction	NN
39142	3193	35	.	.	.
39142	3194	1	The	the	DT
39142	3194	2	spiral	spiral	JJ
39142	3194	3	nebulæ	nebulæ	NN
39142	3194	4	,	,	,
39142	3194	5	as	as	IN
39142	3194	6	to	to	IN
39142	3194	7	their	-PRON-	PRP$
39142	3194	8	distribution	distribution	NN
39142	3194	9	,	,	,
39142	3194	10	are	be	VBP
39142	3194	11	remote	remote	JJ
39142	3194	12	from	from	IN
39142	3194	13	the	the	DT
39142	3194	14	Galaxy	Galaxy	NNP
39142	3194	15	,	,	,
39142	3194	16	and	and	CC
39142	3194	17	the	the	DT
39142	3194	18	north	north	JJ
39142	3194	19	Galactic	galactic	JJ
39142	3194	20	polar	polar	JJ
39142	3194	21	region	region	NN
39142	3194	22	contains	contain	VBZ
39142	3194	23	a	a	DT
39142	3194	24	greater	great	JJR
39142	3194	25	aggregation	aggregation	NN
39142	3194	26	than	than	IN
39142	3194	27	the	the	DT
39142	3194	28	south	south	NN
39142	3194	29	.	.	.
39142	3195	1	The	the	DT
39142	3195	2	distances	distance	NNS
39142	3195	3	of	of	IN
39142	3195	4	the	the	DT
39142	3195	5	spiral	spiral	JJ
39142	3195	6	nebulæ	nebulæ	NN
39142	3195	7	are	be	VBP
39142	3195	8	exceedingly	exceedingly	RB
39142	3195	9	great	great	JJ
39142	3195	10	.	.	.
39142	3196	1	They	-PRON-	PRP
39142	3196	2	lie	lie	VBP
39142	3196	3	far	far	RB
39142	3196	4	beyond	beyond	IN
39142	3196	5	the	the	DT
39142	3196	6	planetary	planetary	NN
39142	3196	7	and	and	CC
39142	3196	8	irregular	irregular	JJ
39142	3196	9	gaseous	gaseous	JJ
39142	3196	10	nebulæ	nebulæ	NN
39142	3196	11	,	,	,
39142	3196	12	like	like	IN
39142	3196	13	that	that	DT
39142	3196	14	of	of	IN
39142	3196	15	Orion	Orion	NNP
39142	3196	16	,	,	,
39142	3196	17	which	which	WDT
39142	3196	18	are	be	VBP
39142	3196	19	closely	closely	RB
39142	3196	20	related	related	JJ
39142	3196	21	to	to	IN
39142	3196	22	the	the	DT
39142	3196	23	stars	star	NNS
39142	3196	24	forming	form	VBG
39142	3196	25	part	part	NN
39142	3196	26	of	of	IN
39142	3196	27	our	-PRON-	PRP$
39142	3196	28	own	own	JJ
39142	3196	29	system	system	NN
39142	3196	30	.	.	.
39142	3197	1	Possibly	possibly	RB
39142	3197	2	the	the	DT
39142	3197	3	spiral	spiral	JJ
39142	3197	4	nebulæ	nebulæ	NN
39142	3197	5	are	be	VBP
39142	3197	6	exterior	exterior	JJ
39142	3197	7	or	or	CC
39142	3197	8	separate	separate	JJ
39142	3197	9	"	"	''
39142	3197	10	island	island	NN
39142	3197	11	universes	universe	NNS
39142	3197	12	.	.	.
39142	3197	13	"	"	''
39142	3198	1	If	if	IN
39142	3198	2	so	so	RB
39142	3198	3	,	,	,
39142	3198	4	they	-PRON-	PRP
39142	3198	5	must	must	MD
39142	3198	6	be	be	VB
39142	3198	7	inconceivably	inconceivably	RB
39142	3198	8	vast	vast	JJ
39142	3198	9	in	in	IN
39142	3198	10	size	size	NN
39142	3198	11	,	,	,
39142	3198	12	and	and	CC
39142	3198	13	would	would	MD
39142	3198	14	develop	develop	VB
39142	3198	15	,	,	,
39142	3198	16	not	not	RB
39142	3198	17	into	into	IN
39142	3198	18	solar	solar	JJ
39142	3198	19	systems	system	NNS
39142	3198	20	,	,	,
39142	3198	21	but	but	CC
39142	3198	22	into	into	IN
39142	3198	23	stellar	stellar	JJ
39142	3198	24	clusters	cluster	NNS
39142	3198	25	.	.	.
39142	3199	1	The	the	DT
39142	3199	2	enormous	enormous	JJ
39142	3199	3	radial	radial	JJ
39142	3199	4	velocities	velocity	NNS
39142	3199	5	of	of	IN
39142	3199	6	the	the	DT
39142	3199	7	spiral	spiral	JJ
39142	3199	8	nebulæ	nebulæ	NN
39142	3199	9	,	,	,
39142	3199	10	averaging	average	VBG
39142	3199	11	300	300	CD
39142	3199	12	to	to	TO
39142	3199	13	400	400	CD
39142	3199	14	kilometers	kilometer	NNS
39142	3199	15	per	per	IN
39142	3199	16	second	second	NN
39142	3199	17	,	,	,
39142	3199	18	or	or	CC
39142	3199	19	twenty	twenty	RB
39142	3199	20	-	-	RB
39142	3199	21	fold	fold	RB
39142	3199	22	that	that	DT
39142	3199	23	of	of	IN
39142	3199	24	the	the	DT
39142	3199	25	stars	star	NNS
39142	3199	26	,	,	,
39142	3199	27	tend	tend	VBP
39142	3199	28	to	to	TO
39142	3199	29	sustain	sustain	VB
39142	3199	30	the	the	DT
39142	3199	31	view	view	NN
39142	3199	32	that	that	IN
39142	3199	33	they	-PRON-	PRP
39142	3199	34	may	may	MD
39142	3199	35	be	be	VB
39142	3199	36	"	"	``
39142	3199	37	island	island	NN
39142	3199	38	universes	universe	NNS
39142	3199	39	,	,	,
39142	3199	40	"	"	''
39142	3199	41	each	each	DT
39142	3199	42	comparable	comparable	JJ
39142	3199	43	in	in	IN
39142	3199	44	extent	extent	NN
39142	3199	45	with	with	IN
39142	3199	46	the	the	DT
39142	3199	47	universe	universe	NN
39142	3199	48	of	of	IN
39142	3199	49	stars	star	NNS
39142	3199	50	to	to	TO
39142	3199	51	which	which	WDT
39142	3199	52	our	-PRON-	PRP$
39142	3199	53	sun	sun	NN
39142	3199	54	belongs	belong	VBZ
39142	3199	55	.	.	.
39142	3200	1	Recent	recent	JJ
39142	3200	2	spectroscopic	spectroscopic	JJ
39142	3200	3	observations	observation	NNS
39142	3200	4	of	of	IN
39142	3200	5	the	the	DT
39142	3200	6	nebulæ	nebulæ	NN
39142	3200	7	applying	apply	VBG
39142	3200	8	the	the	DT
39142	3200	9	principle	principle	NN
39142	3200	10	of	of	IN
39142	3200	11	Doppler	Doppler	NNP
39142	3200	12	have	have	VBP
39142	3200	13	revealed	reveal	VBN
39142	3200	14	high	high	JJ
39142	3200	15	velocities	velocity	NNS
39142	3200	16	of	of	IN
39142	3200	17	rotation	rotation	NN
39142	3200	18	.	.	.
39142	3201	1	Slipher	Slipher	NNP
39142	3201	2	of	of	IN
39142	3201	3	the	the	DT
39142	3201	4	Lowell	Lowell	NNP
39142	3201	5	Observatory	Observatory	NNP
39142	3201	6	made	make	VBD
39142	3201	7	the	the	DT
39142	3201	8	first	first	JJ
39142	3201	9	discovery	discovery	NN
39142	3201	10	of	of	IN
39142	3201	11	this	this	DT
39142	3201	12	sort	sort	NN
39142	3201	13	and	and	CC
39142	3201	14	Van	Van	NNP
39142	3201	15	Maanen	Maanen	NNP
39142	3201	16	of	of	IN
39142	3201	17	Mount	Mount	NNP
39142	3201	18	Wilson	Wilson	NNP
39142	3201	19	has	have	VBZ
39142	3201	20	detected	detect	VBN
39142	3201	21	in	in	IN
39142	3201	22	the	the	DT
39142	3201	23	great	great	JJ
39142	3201	24	Ursa	Ursa	NNP
39142	3201	25	Major	Major	NNP
39142	3201	26	spiral	spiral	NN
39142	3201	27	,	,	,
39142	3201	28	No	no	UH
39142	3201	29	.	.	.
39142	3202	1	101	101	CD
39142	3202	2	in	in	IN
39142	3202	3	Messier	Messier	NNP
39142	3202	4	's	's	POS
39142	3202	5	catalogue	catalogue	NN
39142	3202	6	,	,	,
39142	3202	7	a	a	DT
39142	3202	8	speed	speed	NN
39142	3202	9	of	of	IN
39142	3202	10	rotation	rotation	NN
39142	3202	11	at	at	IN
39142	3202	12	five	five	CD
39142	3202	13	minutes	minute	NNS
39142	3202	14	of	of	IN
39142	3202	15	arc	arc	NN
39142	3202	16	from	from	IN
39142	3202	17	the	the	DT
39142	3202	18	center	center	NN
39142	3202	19	that	that	WDT
39142	3202	20	would	would	MD
39142	3202	21	correspond	correspond	VB
39142	3202	22	to	to	IN
39142	3202	23	a	a	DT
39142	3202	24	complete	complete	JJ
39142	3202	25	period	period	NN
39142	3202	26	in	in	IN
39142	3202	27	85,000	85,000	CD
39142	3202	28	years	year	NNS
39142	3202	29	.	.	.
39142	3203	1	As	as	IN
39142	3203	2	was	be	VBD
39142	3203	3	to	to	TO
39142	3203	4	be	be	VB
39142	3203	5	expected	expect	VBN
39142	3203	6	,	,	,
39142	3203	7	the	the	DT
39142	3203	8	nebula	nebula	NN
39142	3203	9	does	do	VBZ
39142	3203	10	not	not	RB
39142	3203	11	rotate	rotate	VB
39142	3203	12	as	as	IN
39142	3203	13	a	a	DT
39142	3203	14	rigid	rigid	JJ
39142	3203	15	body	body	NN
39142	3203	16	,	,	,
39142	3203	17	but	but	CC
39142	3203	18	the	the	DT
39142	3203	19	nearer	nearer	NN
39142	3203	20	the	the	DT
39142	3203	21	center	center	NN
39142	3203	22	the	the	DT
39142	3203	23	greater	great	JJR
39142	3203	24	the	the	DT
39142	3203	25	angular	angular	JJ
39142	3203	26	velocity	velocity	NN
39142	3203	27	,	,	,
39142	3203	28	and	and	CC
39142	3203	29	Van	Van	NNP
39142	3203	30	Maanen	Maanen	NNP
39142	3203	31	finds	find	VBZ
39142	3203	32	evidence	evidence	NN
39142	3203	33	of	of	IN
39142	3203	34	motion	motion	NN
39142	3203	35	along	along	IN
39142	3203	36	the	the	DT
39142	3203	37	arms	arm	NNS
39142	3203	38	and	and	CC
39142	3203	39	away	away	RB
39142	3203	40	from	from	IN
39142	3203	41	the	the	DT
39142	3203	42	center	center	NN
39142	3203	43	.	.	.
39142	3204	1	These	these	DT
39142	3204	2	great	great	JJ
39142	3204	3	velocities	velocity	NNS
39142	3204	4	appear	appear	VBP
39142	3204	5	to	to	TO
39142	3204	6	belong	belong	VB
39142	3204	7	to	to	IN
39142	3204	8	the	the	DT
39142	3204	9	spiral	spiral	JJ
39142	3204	10	nebulæ	nebulæ	NN
39142	3204	11	as	as	IN
39142	3204	12	a	a	DT
39142	3204	13	class	class	NN
39142	3204	14	,	,	,
39142	3204	15	and	and	CC
39142	3204	16	not	not	RB
39142	3204	17	to	to	IN
39142	3204	18	other	other	JJ
39142	3204	19	nebulæ	nebulæ	NN
39142	3204	20	.	.	.
39142	3205	1	Thirteen	thirteen	CD
39142	3205	2	nebulæ	nebulæ	NN
39142	3205	3	investigated	investigate	VBN
39142	3205	4	by	by	IN
39142	3205	5	Keeler	Keeler	NNP
39142	3205	6	are	be	VBP
39142	3205	7	as	as	IN
39142	3205	8	a	a	DT
39142	3205	9	whole	whole	NN
39142	3205	10	almost	almost	RB
39142	3205	11	at	at	IN
39142	3205	12	rest	rest	NN
39142	3205	13	relatively	relatively	RB
39142	3205	14	to	to	IN
39142	3205	15	our	-PRON-	PRP$
39142	3205	16	system	system	NN
39142	3205	17	,	,	,
39142	3205	18	as	as	IN
39142	3205	19	are	be	VBP
39142	3205	20	the	the	DT
39142	3205	21	large	large	JJ
39142	3205	22	irregular	irregular	JJ
39142	3205	23	objects	object	NNS
39142	3205	24	in	in	IN
39142	3205	25	Orion	Orion	NNP
39142	3205	26	,	,	,
39142	3205	27	and	and	CC
39142	3205	28	the	the	DT
39142	3205	29	Trifid	trifid	JJ
39142	3205	30	nebula	nebula	NN
39142	3205	31	.	.	.
39142	3206	1	This	this	DT
39142	3206	2	would	would	MD
39142	3206	3	seem	seem	VB
39142	3206	4	to	to	TO
39142	3206	5	indicate	indicate	VB
39142	3206	6	that	that	IN
39142	3206	7	the	the	DT
39142	3206	8	spiral	spiral	JJ
39142	3206	9	nebulæ	nebulæ	NN
39142	3206	10	form	form	NN
39142	3206	11	systems	system	NNS
39142	3206	12	outside	outside	IN
39142	3206	13	our	-PRON-	PRP$
39142	3206	14	own	own	JJ
39142	3206	15	and	and	CC
39142	3206	16	independent	independent	JJ
39142	3206	17	of	of	IN
39142	3206	18	it	-PRON-	PRP
39142	3206	19	.	.	.
39142	3207	1	Quite	quite	RB
39142	3207	2	different	different	RB
39142	3207	3	from	from	IN
39142	3207	4	the	the	DT
39142	3207	5	spirals	spiral	NNS
39142	3207	6	in	in	IN
39142	3207	7	their	-PRON-	PRP$
39142	3207	8	distribution	distribution	NN
39142	3207	9	through	through	IN
39142	3207	10	space	space	NN
39142	3207	11	are	be	VBP
39142	3207	12	the	the	DT
39142	3207	13	planetary	planetary	JJ
39142	3207	14	nebulæ	nebulæ	NN
39142	3207	15	.	.	.
39142	3208	1	The	the	DT
39142	3208	2	spirals	spiral	NNS
39142	3208	3	follow	follow	VBP
39142	3208	4	the	the	DT
39142	3208	5	early	early	JJ
39142	3208	6	general	general	JJ
39142	3208	7	law	law	NN
39142	3208	8	of	of	IN
39142	3208	9	nebulæ	nebulæ	JJ
39142	3208	10	arrangement	arrangement	NN
39142	3208	11	,	,	,
39142	3208	12	that	that	RB
39142	3208	13	is	is	RB
39142	3208	14	,	,	,
39142	3208	15	they	-PRON-	PRP
39142	3208	16	are	be	VBP
39142	3208	17	concentrated	concentrate	VBN
39142	3208	18	toward	toward	IN
39142	3208	19	the	the	DT
39142	3208	20	poles	pole	NNS
39142	3208	21	of	of	IN
39142	3208	22	the	the	DT
39142	3208	23	Galaxy	Galaxy	NNP
39142	3208	24	;	;	:
39142	3208	25	but	but	CC
39142	3208	26	the	the	DT
39142	3208	27	planetary	planetary	NN
39142	3208	28	nebulæ	nebulæ	NN
39142	3208	29	,	,	,
39142	3208	30	on	on	IN
39142	3208	31	the	the	DT
39142	3208	32	other	other	JJ
39142	3208	33	hand	hand	NN
39142	3208	34	,	,	,
39142	3208	35	are	be	VBP
39142	3208	36	very	very	RB
39142	3208	37	few	few	JJ
39142	3208	38	near	near	IN
39142	3208	39	the	the	DT
39142	3208	40	poles	pole	NNS
39142	3208	41	and	and	CC
39142	3208	42	show	show	VB
39142	3208	43	a	a	DT
39142	3208	44	marked	marked	JJ
39142	3208	45	frequency	frequency	NN
39142	3208	46	toward	toward	IN
39142	3208	47	the	the	DT
39142	3208	48	Galactic	galactic	JJ
39142	3208	49	plane	plane	NN
39142	3208	50	.	.	.
39142	3209	1	Campbell	Campbell	NNP
39142	3209	2	and	and	CC
39142	3209	3	Moore	Moore	NNP
39142	3209	4	have	have	VBP
39142	3209	5	found	find	VBN
39142	3209	6	spectroscopic	spectroscopic	JJ
39142	3209	7	evidence	evidence	NN
39142	3209	8	of	of	IN
39142	3209	9	internal	internal	JJ
39142	3209	10	rotatory	rotatory	JJ
39142	3209	11	motion	motion	NN
39142	3209	12	in	in	IN
39142	3209	13	a	a	DT
39142	3209	14	large	large	JJ
39142	3209	15	proportion	proportion	NN
39142	3209	16	of	of	IN
39142	3209	17	the	the	DT
39142	3209	18	planetary	planetary	NN
39142	3209	19	nebulæ	nebulæ	NN
39142	3209	20	.	.	.
39142	3210	1	The	the	DT
39142	3210	2	distribution	distribution	NN
39142	3210	3	of	of	IN
39142	3210	4	the	the	DT
39142	3210	5	nebulæ	nebulæ	NN
39142	3210	6	throughout	throughout	IN
39142	3210	7	space	space	NN
39142	3210	8	,	,	,
39142	3210	9	like	like	IN
39142	3210	10	that	that	DT
39142	3210	11	of	of	IN
39142	3210	12	the	the	DT
39142	3210	13	stars	star	NNS
39142	3210	14	,	,	,
39142	3210	15	is	be	VBZ
39142	3210	16	still	still	RB
39142	3210	17	under	under	IN
39142	3210	18	critical	critical	JJ
39142	3210	19	investigation	investigation	NN
39142	3210	20	,	,	,
39142	3210	21	but	but	CC
39142	3210	22	the	the	DT
39142	3210	23	location	location	NN
39142	3210	24	of	of	IN
39142	3210	25	vast	vast	JJ
39142	3210	26	numbers	number	NNS
39142	3210	27	of	of	IN
39142	3210	28	the	the	DT
39142	3210	29	more	more	RBR
39142	3210	30	compact	compact	JJ
39142	3210	31	nebulæ	nebulæ	NN
39142	3210	32	on	on	IN
39142	3210	33	the	the	DT
39142	3210	34	celestial	celestial	JJ
39142	3210	35	sphere	sphere	NN
39142	3210	36	is	be	VBZ
39142	3210	37	very	very	RB
39142	3210	38	extraordinary	extraordinary	JJ
39142	3210	39	.	.	.
39142	3211	1	The	the	DT
39142	3211	2	Milky	Milky	NNP
39142	3211	3	Way	Way	NNP
39142	3211	4	appears	appear	VBZ
39142	3211	5	to	to	TO
39142	3211	6	be	be	VB
39142	3211	7	the	the	DT
39142	3211	8	determining	determine	VBG
39142	3211	9	plane	plane	NN
39142	3211	10	in	in	IN
39142	3211	11	both	both	DT
39142	3211	12	cases	case	NNS
39142	3211	13	;	;	:
39142	3211	14	the	the	DT
39142	3211	15	nearer	nearer	NN
39142	3211	16	we	-PRON-	PRP
39142	3211	17	approach	approach	VBP
39142	3211	18	it	-PRON-	PRP
39142	3211	19	the	the	DT
39142	3211	20	more	more	RBR
39142	3211	21	numerous	numerous	JJ
39142	3211	22	the	the	DT
39142	3211	23	stars	star	NNS
39142	3211	24	become	become	VBP
39142	3211	25	,	,	,
39142	3211	26	whereas	whereas	IN
39142	3211	27	this	this	DT
39142	3211	28	is	be	VBZ
39142	3211	29	the	the	DT
39142	3211	30	general	general	JJ
39142	3211	31	region	region	NN
39142	3211	32	of	of	IN
39142	3211	33	fewest	few	JJS
39142	3211	34	nebulæ	nebulæ	NN
39142	3211	35	and	and	CC
39142	3211	36	they	-PRON-	PRP
39142	3211	37	increase	increase	VBP
39142	3211	38	in	in	IN
39142	3211	39	number	number	NN
39142	3211	40	outward	outward	RB
39142	3211	41	in	in	IN
39142	3211	42	both	both	DT
39142	3211	43	directions	direction	NNS
39142	3211	44	from	from	IN
39142	3211	45	the	the	DT
39142	3211	46	Galaxy	Galaxy	NNP
39142	3211	47	,	,	,
39142	3211	48	and	and	CC
39142	3211	49	toward	toward	IN
39142	3211	50	both	both	DT
39142	3211	51	poles	pole	NNS
39142	3211	52	of	of	IN
39142	3211	53	the	the	DT
39142	3211	54	Galactic	galactic	JJ
39142	3211	55	circle	circle	NN
39142	3211	56	.	.	.
39142	3212	1	Obviously	obviously	RB
39142	3212	2	this	this	DT
39142	3212	3	relation	relation	NN
39142	3212	4	,	,	,
39142	3212	5	or	or	CC
39142	3212	6	contra	contra	NNP
39142	3212	7	-	-	HYPH
39142	3212	8	relation	relation	NN
39142	3212	9	of	of	IN
39142	3212	10	stars	star	NNS
39142	3212	11	and	and	CC
39142	3212	12	nebulæ	nebulæ	NN
39142	3212	13	on	on	IN
39142	3212	14	such	such	PDT
39142	3212	15	a	a	DT
39142	3212	16	vast	vast	JJ
39142	3212	17	scale	scale	NN
39142	3212	18	is	be	VBZ
39142	3212	19	not	not	RB
39142	3212	20	accidental	accidental	JJ
39142	3212	21	,	,	,
39142	3212	22	and	and	CC
39142	3212	23	it	-PRON-	PRP
39142	3212	24	also	also	RB
39142	3212	25	must	must	MD
39142	3212	26	be	be	VB
39142	3212	27	duly	duly	RB
39142	3212	28	accounted	account	VBN
39142	3212	29	for	for	IN
39142	3212	30	in	in	IN
39142	3212	31	the	the	DT
39142	3212	32	true	true	JJ
39142	3212	33	theory	theory	NN
39142	3212	34	of	of	IN
39142	3212	35	the	the	DT
39142	3212	36	cosmogony	cosmogony	NN
39142	3212	37	.	.	.
39142	3213	1	The	the	DT
39142	3213	2	nebulæ	nebulæ	NN
39142	3213	3	which	which	WDT
39142	3213	4	are	be	VBP
39142	3213	5	found	find	VBN
39142	3213	6	principally	principally	RB
39142	3213	7	in	in	RB
39142	3213	8	and	and	CC
39142	3213	9	near	near	IN
39142	3213	10	the	the	DT
39142	3213	11	Milky	Milky	NNP
39142	3213	12	Way	Way	NNP
39142	3213	13	are	be	VBP
39142	3213	14	the	the	DT
39142	3213	15	large	large	JJ
39142	3213	16	irregular	irregular	JJ
39142	3213	17	nebulæ	nebulæ	NN
39142	3213	18	,	,	,
39142	3213	19	and	and	CC
39142	3213	20	vast	vast	JJ
39142	3213	21	nebulous	nebulous	JJ
39142	3213	22	backgrounds	background	NNS
39142	3213	23	,	,	,
39142	3213	24	like	like	IN
39142	3213	25	those	those	DT
39142	3213	26	photographed	photograph	VBN
39142	3213	27	by	by	IN
39142	3213	28	Barnard	Barnard	NNP
39142	3213	29	in	in	IN
39142	3213	30	Scorpio	Scorpio	NNP
39142	3213	31	,	,	,
39142	3213	32	Taurus	Taurus	NNP
39142	3213	33	and	and	CC
39142	3213	34	elsewhere	elsewhere	RB
39142	3213	35	,	,	,
39142	3213	36	as	as	RB
39142	3213	37	well	well	RB
39142	3213	38	as	as	IN
39142	3213	39	the	the	DT
39142	3213	40	Keyhole	Keyhole	NNP
39142	3213	41	,	,	,
39142	3213	42	Omega	Omega	NNP
39142	3213	43	,	,	,
39142	3213	44	and	and	CC
39142	3213	45	Trifid	Trifid	NNP
39142	3213	46	nebulæ	nebulæ	NN
39142	3213	47	.	.	.
39142	3214	1	Allied	ally	VBN
39142	3214	2	to	to	IN
39142	3214	3	these	these	DT
39142	3214	4	backgrounds	background	NNS
39142	3214	5	are	be	VBP
39142	3214	6	doubtless	doubtless	RB
39142	3214	7	some	some	DT
39142	3214	8	of	of	IN
39142	3214	9	the	the	DT
39142	3214	10	dark	dark	JJ
39142	3214	11	Galactic	galactic	JJ
39142	3214	12	spaces	space	NNS
39142	3214	13	,	,	,
39142	3214	14	radiating	radiate	VBG
39142	3214	15	little	little	JJ
39142	3214	16	or	or	CC
39142	3214	17	no	no	DT
39142	3214	18	intrinsic	intrinsic	JJ
39142	3214	19	light	light	NN
39142	3214	20	,	,	,
39142	3214	21	and	and	CC
39142	3214	22	absorbing	absorb	VBG
39142	3214	23	the	the	DT
39142	3214	24	light	light	NN
39142	3214	25	of	of	IN
39142	3214	26	the	the	DT
39142	3214	27	fainter	fainter	NN
39142	3214	28	stars	star	NNS
39142	3214	29	beyond	beyond	IN
39142	3214	30	them	-PRON-	PRP
39142	3214	31	.	.	.
39142	3215	1	A	a	DT
39142	3215	2	peculiar	peculiar	JJ
39142	3215	3	veiled	veil	VBN
39142	3215	4	or	or	CC
39142	3215	5	tinted	tint	VBN
39142	3215	6	appearance	appearance	NN
39142	3215	7	has	have	VBZ
39142	3215	8	been	be	VBN
39142	3215	9	remarked	remark	VBN
39142	3215	10	in	in	IN
39142	3215	11	some	some	DT
39142	3215	12	cases	case	NNS
39142	3215	13	visually	visually	RB
39142	3215	14	,	,	,
39142	3215	15	and	and	CC
39142	3215	16	examination	examination	NN
39142	3215	17	of	of	IN
39142	3215	18	the	the	DT
39142	3215	19	photographs	photograph	NNS
39142	3215	20	strongly	strongly	RB
39142	3215	21	confirms	confirm	VBZ
39142	3215	22	the	the	DT
39142	3215	23	existence	existence	NN
39142	3215	24	of	of	IN
39142	3215	25	absorbing	absorb	VBG
39142	3215	26	nebulosity	nebulosity	NN
39142	3215	27	.	.	.
39142	3216	1	The	the	DT
39142	3216	2	spiral	spiral	JJ
39142	3216	3	nebulæ	nebulæ	NN
39142	3216	4	are	be	VBP
39142	3216	5	so	so	RB
39142	3216	6	abundant	abundant	JJ
39142	3216	7	,	,	,
39142	3216	8	and	and	CC
39142	3216	9	so	so	RB
39142	3216	10	much	much	JJ
39142	3216	11	attention	attention	NN
39142	3216	12	is	be	VBZ
39142	3216	13	now	now	RB
39142	3216	14	being	be	VBG
39142	3216	15	given	give	VBN
39142	3216	16	to	to	IN
39142	3216	17	them	-PRON-	PRP
39142	3216	18	,	,	,
39142	3216	19	both	both	CC
39142	3216	20	by	by	IN
39142	3216	21	observers	observer	NNS
39142	3216	22	and	and	CC
39142	3216	23	mathematicians	mathematician	NNS
39142	3216	24	,	,	,
39142	3216	25	that	that	IN
39142	3216	26	their	-PRON-	PRP$
39142	3216	27	precise	precise	JJ
39142	3216	28	relation	relation	NN
39142	3216	29	to	to	IN
39142	3216	30	the	the	DT
39142	3216	31	stellar	stellar	JJ
39142	3216	32	systems	system	NNS
39142	3216	33	must	must	MD
39142	3216	34	soon	soon	RB
39142	3216	35	be	be	VB
39142	3216	36	known	know	VBN
39142	3216	37	;	;	:
39142	3216	38	that	that	RB
39142	3216	39	is	is	RB
39142	3216	40	,	,	,
39142	3216	41	whether	whether	IN
39142	3216	42	they	-PRON-	PRP
39142	3216	43	are	be	VBP
39142	3216	44	comparatively	comparatively	RB
39142	3216	45	small	small	JJ
39142	3216	46	objects	object	NNS
39142	3216	47	belonging	belong	VBG
39142	3216	48	to	to	IN
39142	3216	49	the	the	DT
39142	3216	50	stellar	stellar	JJ
39142	3216	51	system	system	NN
39142	3216	52	,	,	,
39142	3216	53	or	or	CC
39142	3216	54	independent	independent	JJ
39142	3216	55	systems	system	NNS
39142	3216	56	on	on	IN
39142	3216	57	the	the	DT
39142	3216	58	borders	border	NNS
39142	3216	59	of	of	IN
39142	3216	60	the	the	DT
39142	3216	61	stellar	stellar	JJ
39142	3216	62	system	system	NN
39142	3216	63	,	,	,
39142	3216	64	or	or	CC
39142	3216	65	as	as	IN
39142	3216	66	seems	seem	VBZ
39142	3216	67	more	more	RBR
39142	3216	68	likely	likely	JJ
39142	3216	69	,	,	,
39142	3216	70	vast	vast	JJ
39142	3216	71	and	and	CC
39142	3216	72	exceedingly	exceedingly	RB
39142	3216	73	remote	remote	JJ
39142	3216	74	galaxies	galaxy	NNS
39142	3216	75	comparable	comparable	JJ
39142	3216	76	with	with	IN
39142	3216	77	that	that	DT
39142	3216	78	of	of	IN
39142	3216	79	the	the	DT
39142	3216	80	Milky	Milky	NNP
39142	3216	81	Way	Way	NNP
39142	3216	82	itself	-PRON-	PRP
39142	3216	83	.	.	.
39142	3217	1	Our	-PRON-	PRP$
39142	3217	2	knowledge	knowledge	NN
39142	3217	3	of	of	IN
39142	3217	4	the	the	DT
39142	3217	5	motions	motion	NNS
39142	3217	6	of	of	IN
39142	3217	7	the	the	DT
39142	3217	8	spirals	spiral	NNS
39142	3217	9	,	,	,
39142	3217	10	both	both	CC
39142	3217	11	radial	radial	JJ
39142	3217	12	and	and	CC
39142	3217	13	angular	angular	JJ
39142	3217	14	,	,	,
39142	3217	15	is	be	VBZ
39142	3217	16	increasing	increase	VBG
39142	3217	17	rapidly	rapidly	RB
39142	3217	18	,	,	,
39142	3217	19	and	and	CC
39142	3217	20	must	must	MD
39142	3217	21	soon	soon	RB
39142	3217	22	permit	permit	VB
39142	3217	23	accurate	accurate	JJ
39142	3217	24	general	general	JJ
39142	3217	25	conclusions	conclusion	NNS
39142	3217	26	to	to	TO
39142	3217	27	be	be	VB
39142	3217	28	drawn	draw	VBN
39142	3217	29	.	.	.
39142	3218	1	CHAPTER	CHAPTER	NNP
39142	3218	2	LX	LX	NNP
39142	3218	3	COSMOGONY	COSMOGONY	NNP
39142	3218	4	Down	down	IN
39142	3218	5	to	to	IN
39142	3218	6	the	the	DT
39142	3218	7	middle	middle	NN
39142	3218	8	of	of	IN
39142	3218	9	the	the	DT
39142	3218	10	last	last	JJ
39142	3218	11	century	century	NN
39142	3218	12	and	and	CC
39142	3218	13	later	later	RB
39142	3218	14	,	,	,
39142	3218	15	it	-PRON-	PRP
39142	3218	16	was	be	VBD
39142	3218	17	commonly	commonly	RB
39142	3218	18	believed	believe	VBN
39142	3218	19	that	that	IN
39142	3218	20	in	in	IN
39142	3218	21	the	the	DT
39142	3218	22	beginning	beginning	NN
39142	3218	23	the	the	DT
39142	3218	24	cosmos	cosmo	NNS
39142	3218	25	came	come	VBD
39142	3218	26	into	into	IN
39142	3218	27	being	being	NN
39142	3218	28	by	by	IN
39142	3218	29	divine	divine	JJ
39142	3218	30	fiat	fiat	NNP
39142	3218	31	substantially	substantially	RB
39142	3218	32	as	as	IN
39142	3218	33	it	-PRON-	PRP
39142	3218	34	is	be	VBZ
39142	3218	35	.	.	.
39142	3219	1	Previously	previously	RB
39142	3219	2	the	the	DT
39142	3219	3	earth	earth	NN
39142	3219	4	had	have	VBD
39142	3219	5	been	be	VBN
39142	3219	6	"	"	``
39142	3219	7	without	without	IN
39142	3219	8	form	form	NN
39142	3219	9	and	and	CC
39142	3219	10	void	void	JJ
39142	3219	11	,	,	,
39142	3219	12	"	"	''
39142	3219	13	as	as	IN
39142	3219	14	in	in	IN
39142	3219	15	the	the	DT
39142	3219	16	Scripture	scripture	NN
39142	3219	17	.	.	.
39142	3220	1	Had	have	VBD
39142	3220	2	it	-PRON-	PRP
39142	3220	3	not	not	RB
39142	3220	4	been	be	VBN
39142	3220	5	for	for	IN
39142	3220	6	the	the	DT
39142	3220	7	growth	growth	NN
39142	3220	8	and	and	CC
39142	3220	9	gradual	gradual	JJ
39142	3220	10	acceptance	acceptance	NN
39142	3220	11	of	of	IN
39142	3220	12	the	the	DT
39142	3220	13	doctrine	doctrine	NN
39142	3220	14	of	of	IN
39142	3220	15	evolution	evolution	NN
39142	3220	16	,	,	,
39142	3220	17	and	and	CC
39142	3220	18	its	-PRON-	PRP$
39142	3220	19	reactionary	reactionary	JJ
39142	3220	20	effect	effect	NN
39142	3220	21	upon	upon	IN
39142	3220	22	human	human	JJ
39142	3220	23	thought	thought	NN
39142	3220	24	,	,	,
39142	3220	25	it	-PRON-	PRP
39142	3220	26	is	be	VBZ
39142	3220	27	conceivable	conceivable	JJ
39142	3220	28	that	that	IN
39142	3220	29	the	the	DT
39142	3220	30	early	early	JJ
39142	3220	31	view	view	NN
39142	3220	32	might	may	MD
39142	3220	33	have	have	VB
39142	3220	34	persisted	persist	VBN
39142	3220	35	to	to	IN
39142	3220	36	the	the	DT
39142	3220	37	present	present	JJ
39142	3220	38	day	day	NN
39142	3220	39	;	;	:
39142	3220	40	but	but	CC
39142	3220	41	now	now	RB
39142	3220	42	it	-PRON-	PRP
39142	3220	43	is	be	VBZ
39142	3220	44	universally	universally	RB
39142	3220	45	held	hold	VBN
39142	3220	46	that	that	IN
39142	3220	47	everything	everything	NN
39142	3220	48	in	in	IN
39142	3220	49	the	the	DT
39142	3220	50	heavens	heavens	NNPS
39142	3220	51	above	above	IN
39142	3220	52	and	and	CC
39142	3220	53	the	the	DT
39142	3220	54	earth	earth	NN
39142	3220	55	beneath	beneath	RB
39142	3220	56	is	be	VBZ
39142	3220	57	subject	subject	JJ
39142	3220	58	more	more	RBR
39142	3220	59	or	or	CC
39142	3220	60	less	less	RBR
39142	3220	61	to	to	IN
39142	3220	62	secular	secular	JJ
39142	3220	63	change	change	NN
39142	3220	64	,	,	,
39142	3220	65	and	and	CC
39142	3220	66	is	be	VBZ
39142	3220	67	the	the	DT
39142	3220	68	result	result	NN
39142	3220	69	of	of	IN
39142	3220	70	an	an	DT
39142	3220	71	orderly	orderly	JJ
39142	3220	72	development	development	NN
39142	3220	73	throughout	throughout	IN
39142	3220	74	indefinite	indefinite	JJ
39142	3220	75	past	past	JJ
39142	3220	76	ages	age	NNS
39142	3220	77	,	,	,
39142	3220	78	a	a	DT
39142	3220	79	progressive	progressive	JJ
39142	3220	80	evolution	evolution	NN
39142	3220	81	which	which	WDT
39142	3220	82	will	will	MD
39142	3220	83	continue	continue	VB
39142	3220	84	through	through	IN
39142	3220	85	indefinite	indefinite	JJ
39142	3220	86	aeons	aeon	NNS
39142	3220	87	of	of	IN
39142	3220	88	the	the	DT
39142	3220	89	future	future	NN
39142	3220	90	.	.	.
39142	3221	1	In	in	IN
39142	3221	2	the	the	DT
39142	3221	3	writings	writing	NNS
39142	3221	4	of	of	IN
39142	3221	5	the	the	DT
39142	3221	6	Greek	greek	JJ
39142	3221	7	philosophers	philosopher	NNS
39142	3221	8	,	,	,
39142	3221	9	and	and	CC
39142	3221	10	down	down	RB
39142	3221	11	through	through	IN
39142	3221	12	the	the	DT
39142	3221	13	Middle	Middle	NNP
39142	3221	14	Ages	Ages	NNPS
39142	3221	15	we	-PRON-	PRP
39142	3221	16	find	find	VBP
39142	3221	17	the	the	DT
39142	3221	18	idea	idea	NN
39142	3221	19	of	of	IN
39142	3221	20	an	an	DT
39142	3221	21	original	original	JJ
39142	3221	22	"	"	``
39142	3221	23	chaos	chaos	NN
39142	3221	24	"	"	''
39142	3221	25	prevailing	prevailing	NN
39142	3221	26	,	,	,
39142	3221	27	with	with	IN
39142	3221	28	no	no	DT
39142	3221	29	indication	indication	NN
39142	3221	30	whatever	whatever	WDT
39142	3221	31	of	of	IN
39142	3221	32	the	the	DT
39142	3221	33	modern	modern	JJ
39142	3221	34	view	view	NN
39142	3221	35	of	of	IN
39142	3221	36	the	the	DT
39142	3221	37	process	process	NN
39142	3221	38	by	by	IN
39142	3221	39	which	which	WDT
39142	3221	40	the	the	DT
39142	3221	41	cosmos	cosmo	NNS
39142	3221	42	came	come	VBD
39142	3221	43	to	to	TO
39142	3221	44	be	be	VB
39142	3221	45	what	what	WP
39142	3221	46	they	-PRON-	PRP
39142	3221	47	saw	see	VBD
39142	3221	48	it	-PRON-	PRP
39142	3221	49	and	and	CC
39142	3221	50	as	as	IN
39142	3221	51	it	-PRON-	PRP
39142	3221	52	is	be	VBZ
39142	3221	53	to	to	IN
39142	3221	54	-	-	HYPH
39142	3221	55	day	day	NN
39142	3221	56	.	.	.
39142	3222	1	If	if	IN
39142	3222	2	we	-PRON-	PRP
39142	3222	3	go	go	VBP
39142	3222	4	still	still	RB
39142	3222	5	farther	far	RBR
39142	3222	6	back	back	RB
39142	3222	7	,	,	,
39142	3222	8	there	there	EX
39142	3222	9	is	be	VBZ
39142	3222	10	no	no	DT
39142	3222	11	glimmer	glimmer	NN
39142	3222	12	of	of	IN
39142	3222	13	any	any	DT
39142	3222	14	ideas	idea	NNS
39142	3222	15	that	that	WDT
39142	3222	16	will	will	MD
39142	3222	17	bear	bear	VB
39142	3222	18	investigation	investigation	NN
39142	3222	19	by	by	IN
39142	3222	20	scientific	scientific	JJ
39142	3222	21	method	method	NN
39142	3222	22	,	,	,
39142	3222	23	however	however	RB
39142	3222	24	interesting	interesting	JJ
39142	3222	25	they	-PRON-	PRP
39142	3222	26	may	may	MD
39142	3222	27	be	be	VB
39142	3222	28	as	as	RB
39142	3222	29	purely	purely	RB
39142	3222	30	philosophical	philosophical	JJ
39142	3222	31	conceptions	conception	NNS
39142	3222	32	.	.	.
39142	3223	1	Many	many	JJ
39142	3223	2	ancient	ancient	JJ
39142	3223	3	philosophers	philosopher	NNS
39142	3223	4	,	,	,
39142	3223	5	among	among	IN
39142	3223	6	them	-PRON-	PRP
39142	3223	7	Anaxagoras	Anaxagoras	NNPS
39142	3223	8	,	,	,
39142	3223	9	Democritus	Democritus	NNP
39142	3223	10	,	,	,
39142	3223	11	and	and	CC
39142	3223	12	Anaximenes	Anaximenes	NNP
39142	3223	13	,	,	,
39142	3223	14	regarded	regard	VBD
39142	3223	15	the	the	DT
39142	3223	16	earth	earth	NN
39142	3223	17	as	as	IN
39142	3223	18	the	the	DT
39142	3223	19	product	product	NN
39142	3223	20	of	of	IN
39142	3223	21	diffused	diffused	JJ
39142	3223	22	matter	matter	NN
39142	3223	23	in	in	IN
39142	3223	24	a	a	DT
39142	3223	25	state	state	NN
39142	3223	26	of	of	IN
39142	3223	27	the	the	DT
39142	3223	28	original	original	JJ
39142	3223	29	chaos	chaos	NN
39142	3223	30	having	have	VBG
39142	3223	31	fallen	fall	VBN
39142	3223	32	together	together	RB
39142	3223	33	haphazard	haphazard	RB
39142	3223	34	,	,	,
39142	3223	35	and	and	CC
39142	3223	36	they	-PRON-	PRP
39142	3223	37	even	even	RB
39142	3223	38	presumed	presume	VBD
39142	3223	39	to	to	TO
39142	3223	40	predict	predict	VB
39142	3223	41	its	-PRON-	PRP$
39142	3223	42	future	future	JJ
39142	3223	43	career	career	NN
39142	3223	44	and	and	CC
39142	3223	45	ultimate	ultimate	JJ
39142	3223	46	destiny	destiny	NN
39142	3223	47	.	.	.
39142	3224	1	In	in	IN
39142	3224	2	Anaximander	Anaximander	NNP
39142	3224	3	and	and	CC
39142	3224	4	Anaximenes	Anaximenes	NNPS
39142	3224	5	alone	alone	RB
39142	3224	6	do	do	VBP
39142	3224	7	we	-PRON-	PRP
39142	3224	8	find	find	VB
39142	3224	9	any	any	DT
39142	3224	10	conception	conception	NN
39142	3224	11	of	of	IN
39142	3224	12	possible	possible	JJ
39142	3224	13	progress	progress	NN
39142	3224	14	;	;	:
39142	3224	15	their	-PRON-	PRP$
39142	3224	16	thought	thought	NN
39142	3224	17	was	be	VBD
39142	3224	18	that	that	IN
39142	3224	19	as	as	IN
39142	3224	20	the	the	DT
39142	3224	21	world	world	NN
39142	3224	22	had	have	VBD
39142	3224	23	taken	take	VBN
39142	3224	24	time	time	NN
39142	3224	25	to	to	TO
39142	3224	26	become	become	VB
39142	3224	27	what	what	WP
39142	3224	28	it	-PRON-	PRP
39142	3224	29	is	be	VBZ
39142	3224	30	,	,	,
39142	3224	31	so	so	RB
39142	3224	32	in	in	IN
39142	3224	33	time	time	NN
39142	3224	34	it	-PRON-	PRP
39142	3224	35	would	would	MD
39142	3224	36	pass	pass	VB
39142	3224	37	,	,	,
39142	3224	38	and	and	CC
39142	3224	39	as	as	IN
39142	3224	40	the	the	DT
39142	3224	41	entire	entire	JJ
39142	3224	42	universe	universe	NN
39142	3224	43	had	have	VBD
39142	3224	44	undergone	undergo	VBN
39142	3224	45	alternate	alternate	JJ
39142	3224	46	renewal	renewal	NN
39142	3224	47	and	and	CC
39142	3224	48	destruction	destruction	NN
39142	3224	49	in	in	IN
39142	3224	50	the	the	DT
39142	3224	51	past	past	NN
39142	3224	52	,	,	,
39142	3224	53	that	that	WDT
39142	3224	54	would	would	MD
39142	3224	55	be	be	VB
39142	3224	56	its	-PRON-	PRP$
39142	3224	57	history	history	NN
39142	3224	58	in	in	IN
39142	3224	59	the	the	DT
39142	3224	60	future	future	NN
39142	3224	61	.	.	.
39142	3225	1	Aristotle	Aristotle	NNP
39142	3225	2	,	,	,
39142	3225	3	Ptolemy	Ptolemy	NNP
39142	3225	4	,	,	,
39142	3225	5	and	and	CC
39142	3225	6	others	other	NNS
39142	3225	7	appear	appear	VBP
39142	3225	8	to	to	TO
39142	3225	9	have	have	VB
39142	3225	10	held	hold	VBN
39142	3225	11	the	the	DT
39142	3225	12	curious	curious	JJ
39142	3225	13	notion	notion	NN
39142	3225	14	that	that	IN
39142	3225	15	although	although	IN
39142	3225	16	everything	everything	NN
39142	3225	17	terrestrial	terrestrial	JJ
39142	3225	18	is	be	VBZ
39142	3225	19	evanescent	evanescent	JJ
39142	3225	20	,	,	,
39142	3225	21	nevertheless	nevertheless	RB
39142	3225	22	the	the	DT
39142	3225	23	cosmos	cosmo	NNS
39142	3225	24	beyond	beyond	IN
39142	3225	25	the	the	DT
39142	3225	26	orbit	orbit	NN
39142	3225	27	of	of	IN
39142	3225	28	the	the	DT
39142	3225	29	moon	moon	NN
39142	3225	30	is	be	VBZ
39142	3225	31	imperishable	imperishable	JJ
39142	3225	32	and	and	CC
39142	3225	33	eternal	eternal	JJ
39142	3225	34	.	.	.
39142	3226	1	By	by	IN
39142	3226	2	tracing	trace	VBG
39142	3226	3	the	the	DT
39142	3226	4	history	history	NN
39142	3226	5	of	of	IN
39142	3226	6	the	the	DT
39142	3226	7	intellectual	intellectual	JJ
39142	3226	8	development	development	NN
39142	3226	9	of	of	IN
39142	3226	10	Europe	Europe	NNP
39142	3226	11	we	-PRON-	PRP
39142	3226	12	may	may	MD
39142	3226	13	find	find	VB
39142	3226	14	why	why	WRB
39142	3226	15	it	-PRON-	PRP
39142	3226	16	was	be	VBD
39142	3226	17	that	that	DT
39142	3226	18	scientific	scientific	JJ
39142	3226	19	speculation	speculation	NN
39142	3226	20	on	on	IN
39142	3226	21	the	the	DT
39142	3226	22	cosmogony	cosmogony	NN
39142	3226	23	was	be	VBD
39142	3226	24	delayed	delay	VBN
39142	3226	25	until	until	IN
39142	3226	26	the	the	DT
39142	3226	27	18th	18th	JJ
39142	3226	28	century	century	NN
39142	3226	29	,	,	,
39142	3226	30	and	and	CC
39142	3226	31	then	then	RB
39142	3226	32	undertaken	undertake	VBN
39142	3226	33	quite	quite	RB
39142	3226	34	independently	independently	RB
39142	3226	35	by	by	IN
39142	3226	36	three	three	CD
39142	3226	37	philosophers	philosopher	NNS
39142	3226	38	in	in	IN
39142	3226	39	three	three	CD
39142	3226	40	different	different	JJ
39142	3226	41	countries	country	NNS
39142	3226	42	.	.	.
39142	3227	1	Swedenborg	Swedenborg	NNP
39142	3227	2	,	,	,
39142	3227	3	the	the	DT
39142	3227	4	theologian	theologian	NN
39142	3227	5	,	,	,
39142	3227	6	set	set	VBN
39142	3227	7	down	down	RP
39142	3227	8	in	in	IN
39142	3227	9	due	due	JJ
39142	3227	10	form	form	NN
39142	3227	11	many	many	JJ
39142	3227	12	of	of	IN
39142	3227	13	the	the	DT
39142	3227	14	principles	principle	NNS
39142	3227	15	that	that	WDT
39142	3227	16	underlie	underlie	VBP
39142	3227	17	the	the	DT
39142	3227	18	modern	modern	JJ
39142	3227	19	nebular	nebular	JJ
39142	3227	20	hypothesis	hypothesis	NN
39142	3227	21	.	.	.
39142	3228	1	Thomas	Thomas	NNP
39142	3228	2	Wright	Wright	NNP
39142	3228	3	of	of	IN
39142	3228	4	Durham	Durham	NNP
39142	3228	5	whose	whose	WP$
39142	3228	6	early	early	JJ
39142	3228	7	theory	theory	NN
39142	3228	8	of	of	IN
39142	3228	9	the	the	DT
39142	3228	10	arrangement	arrangement	NN
39142	3228	11	of	of	IN
39142	3228	12	stars	star	NNS
39142	3228	13	in	in	IN
39142	3228	14	the	the	DT
39142	3228	15	Galaxy	Galaxy	NNP
39142	3228	16	we	-PRON-	PRP
39142	3228	17	have	have	VBP
39142	3228	18	already	already	RB
39142	3228	19	mentioned	mention	VBN
39142	3228	20	,	,	,
39142	3228	21	speculated	speculate	VBN
39142	3228	22	also	also	RB
39142	3228	23	on	on	IN
39142	3228	24	the	the	DT
39142	3228	25	origin	origin	NN
39142	3228	26	and	and	CC
39142	3228	27	development	development	NN
39142	3228	28	of	of	IN
39142	3228	29	the	the	DT
39142	3228	30	universe	universe	NN
39142	3228	31	,	,	,
39142	3228	32	and	and	CC
39142	3228	33	his	-PRON-	PRP$
39142	3228	34	writings	writing	NNS
39142	3228	35	were	be	VBD
39142	3228	36	known	know	VBN
39142	3228	37	to	to	IN
39142	3228	38	Kant	Kant	NNP
39142	3228	39	,	,	,
39142	3228	40	who	who	WP
39142	3228	41	is	be	VBZ
39142	3228	42	now	now	RB
39142	3228	43	regarded	regard	VBN
39142	3228	44	as	as	IN
39142	3228	45	the	the	DT
39142	3228	46	author	author	NN
39142	3228	47	of	of	IN
39142	3228	48	the	the	DT
39142	3228	49	modern	modern	JJ
39142	3228	50	nebular	nebular	JJ
39142	3228	51	hypothesis	hypothesis	NN
39142	3228	52	.	.	.
39142	3229	1	This	this	DT
39142	3229	2	presents	present	VBZ
39142	3229	3	a	a	DT
39142	3229	4	definite	definite	JJ
39142	3229	5	mechanical	mechanical	JJ
39142	3229	6	explanation	explanation	NN
39142	3229	7	of	of	IN
39142	3229	8	the	the	DT
39142	3229	9	development	development	NN
39142	3229	10	and	and	CC
39142	3229	11	formation	formation	NN
39142	3229	12	of	of	IN
39142	3229	13	the	the	DT
39142	3229	14	heavenly	heavenly	JJ
39142	3229	15	bodies	body	NNS
39142	3229	16	,	,	,
39142	3229	17	and	and	CC
39142	3229	18	in	in	IN
39142	3229	19	particular	particular	JJ
39142	3229	20	those	those	DT
39142	3229	21	composing	compose	VBG
39142	3229	22	the	the	DT
39142	3229	23	solar	solar	JJ
39142	3229	24	system	system	NN
39142	3229	25	.	.	.
39142	3230	1	Kant	Kant	NNP
39142	3230	2	was	be	VBD
39142	3230	3	illustrious	illustrious	JJ
39142	3230	4	as	as	IN
39142	3230	5	a	a	DT
39142	3230	6	metaphysician	metaphysician	NN
39142	3230	7	,	,	,
39142	3230	8	but	but	CC
39142	3230	9	he	-PRON-	PRP
39142	3230	10	was	be	VBD
39142	3230	11	a	a	DT
39142	3230	12	great	great	JJ
39142	3230	13	physicist	physicist	NN
39142	3230	14	or	or	CC
39142	3230	15	natural	natural	JJ
39142	3230	16	philosopher	philosopher	NN
39142	3230	17	as	as	RB
39142	3230	18	well	well	RB
39142	3230	19	,	,	,
39142	3230	20	and	and	CC
39142	3230	21	he	-PRON-	PRP
39142	3230	22	set	set	VBD
39142	3230	23	down	down	RP
39142	3230	24	his	-PRON-	PRP$
39142	3230	25	ideas	idea	NNS
39142	3230	26	regarding	regard	VBG
39142	3230	27	the	the	DT
39142	3230	28	cosmogony	cosmogony	NN
39142	3230	29	with	with	IN
39142	3230	30	precision	precision	NN
39142	3230	31	.	.	.
39142	3231	1	Learned	learn	VBN
39142	3231	2	in	in	IN
39142	3231	3	the	the	DT
39142	3231	4	philosophy	philosophy	NN
39142	3231	5	of	of	IN
39142	3231	6	the	the	DT
39142	3231	7	ancients	ancient	NNS
39142	3231	8	,	,	,
39142	3231	9	he	-PRON-	PRP
39142	3231	10	did	do	VBD
39142	3231	11	not	not	RB
39142	3231	12	follow	follow	VB
39142	3231	13	their	-PRON-	PRP$
39142	3231	14	speculative	speculative	JJ
39142	3231	15	conceptions	conception	NNS
39142	3231	16	,	,	,
39142	3231	17	but	but	CC
39142	3231	18	merely	merely	RB
39142	3231	19	assumed	assume	VBD
39142	3231	20	that	that	IN
39142	3231	21	all	all	PDT
39142	3231	22	the	the	DT
39142	3231	23	materials	material	NNS
39142	3231	24	from	from	IN
39142	3231	25	which	which	WDT
39142	3231	26	the	the	DT
39142	3231	27	bodies	body	NNS
39142	3231	28	of	of	IN
39142	3231	29	the	the	DT
39142	3231	30	solar	solar	JJ
39142	3231	31	system	system	NN
39142	3231	32	have	have	VBP
39142	3231	33	been	be	VBN
39142	3231	34	fashioned	fashion	VBN
39142	3231	35	were	be	VBD
39142	3231	36	resolved	resolve	VBN
39142	3231	37	into	into	IN
39142	3231	38	their	-PRON-	PRP$
39142	3231	39	original	original	JJ
39142	3231	40	elements	element	NNS
39142	3231	41	at	at	IN
39142	3231	42	the	the	DT
39142	3231	43	beginning	beginning	NN
39142	3231	44	,	,	,
39142	3231	45	and	and	CC
39142	3231	46	filled	fill	VBD
39142	3231	47	all	all	PDT
39142	3231	48	that	that	DT
39142	3231	49	part	part	NN
39142	3231	50	of	of	IN
39142	3231	51	space	space	NN
39142	3231	52	in	in	IN
39142	3231	53	which	which	WDT
39142	3231	54	they	-PRON-	PRP
39142	3231	55	now	now	RB
39142	3231	56	move	move	VBP
39142	3231	57	.	.	.
39142	3232	1	True	true	JJ
39142	3232	2	,	,	,
39142	3232	3	this	this	DT
39142	3232	4	is	be	VBZ
39142	3232	5	pretty	pretty	RB
39142	3232	6	near	near	IN
39142	3232	7	the	the	DT
39142	3232	8	chaos	chaos	NN
39142	3232	9	of	of	IN
39142	3232	10	the	the	DT
39142	3232	11	Greeks	Greeks	NNPS
39142	3232	12	,	,	,
39142	3232	13	but	but	CC
39142	3232	14	Kant	Kant	NNP
39142	3232	15	knew	know	VBD
39142	3232	16	of	of	IN
39142	3232	17	the	the	DT
39142	3232	18	operation	operation	NN
39142	3232	19	of	of	IN
39142	3232	20	the	the	DT
39142	3232	21	Newtonian	newtonian	JJ
39142	3232	22	law	law	NN
39142	3232	23	of	of	IN
39142	3232	24	gravitation	gravitation	NN
39142	3232	25	,	,	,
39142	3232	26	which	which	WDT
39142	3232	27	the	the	DT
39142	3232	28	Greeks	Greeks	NNPS
39142	3232	29	did	do	VBD
39142	3232	30	not	not	RB
39142	3232	31	.	.	.
39142	3233	1	As	as	IN
39142	3233	2	a	a	DT
39142	3233	3	natural	natural	JJ
39142	3233	4	result	result	NN
39142	3233	5	of	of	IN
39142	3233	6	gravitative	gravitative	JJ
39142	3233	7	processes	process	NNS
39142	3233	8	,	,	,
39142	3233	9	Kant	Kant	NNP
39142	3233	10	inferred	infer	VBD
39142	3233	11	that	that	IN
39142	3233	12	the	the	DT
39142	3233	13	denser	denser	NN
39142	3233	14	portions	portion	NNS
39142	3233	15	of	of	IN
39142	3233	16	the	the	DT
39142	3233	17	original	original	JJ
39142	3233	18	mass	mass	NN
39142	3233	19	would	would	MD
39142	3233	20	draw	draw	VB
39142	3233	21	upon	upon	IN
39142	3233	22	themselves	-PRON-	PRP
39142	3233	23	the	the	DT
39142	3233	24	less	less	RBR
39142	3233	25	dense	dense	JJ
39142	3233	26	portions	portion	NNS
39142	3233	27	,	,	,
39142	3233	28	whirling	whirl	VBG
39142	3233	29	motions	motion	NNS
39142	3233	30	would	would	MD
39142	3233	31	be	be	VB
39142	3233	32	everywhere	everywhere	RB
39142	3233	33	set	set	VBN
39142	3233	34	up	up	RP
39142	3233	35	,	,	,
39142	3233	36	and	and	CC
39142	3233	37	the	the	DT
39142	3233	38	process	process	NN
39142	3233	39	would	would	MD
39142	3233	40	continue	continue	VB
39142	3233	41	until	until	IN
39142	3233	42	many	many	JJ
39142	3233	43	spherical	spherical	JJ
39142	3233	44	bodies	body	NNS
39142	3233	45	,	,	,
39142	3233	46	each	each	DT
39142	3233	47	with	with	IN
39142	3233	48	a	a	DT
39142	3233	49	gaseous	gaseous	JJ
39142	3233	50	exterior	exterior	NN
39142	3233	51	in	in	IN
39142	3233	52	process	process	NN
39142	3233	53	of	of	IN
39142	3233	54	condensation	condensation	NN
39142	3233	55	,	,	,
39142	3233	56	had	have	VBD
39142	3233	57	taken	take	VBN
39142	3233	58	the	the	DT
39142	3233	59	place	place	NN
39142	3233	60	of	of	IN
39142	3233	61	the	the	DT
39142	3233	62	original	original	JJ
39142	3233	63	elements	element	NNS
39142	3233	64	which	which	WDT
39142	3233	65	filled	fill	VBD
39142	3233	66	space	space	NN
39142	3233	67	.	.	.
39142	3234	1	In	in	IN
39142	3234	2	this	this	DT
39142	3234	3	manner	manner	NN
39142	3234	4	Kant	Kant	NNP
39142	3234	5	would	would	MD
39142	3234	6	explain	explain	VB
39142	3234	7	the	the	DT
39142	3234	8	sameness	sameness	JJ
39142	3234	9	in	in	IN
39142	3234	10	direction	direction	NN
39142	3234	11	of	of	IN
39142	3234	12	motion	motion	NN
39142	3234	13	,	,	,
39142	3234	14	both	both	CC
39142	3234	15	orbital	orbital	JJ
39142	3234	16	and	and	CC
39142	3234	17	axial	axial	JJ
39142	3234	18	,	,	,
39142	3234	19	of	of	IN
39142	3234	20	all	all	PDT
39142	3234	21	the	the	DT
39142	3234	22	planets	planet	NNS
39142	3234	23	and	and	CC
39142	3234	24	satellites	satellite	NNS
39142	3234	25	of	of	IN
39142	3234	26	our	-PRON-	PRP$
39142	3234	27	system	system	NN
39142	3234	28	.	.	.
39142	3235	1	But	but	CC
39142	3235	2	many	many	JJ
39142	3235	3	philosophers	philosopher	NNS
39142	3235	4	are	be	VBP
39142	3235	5	of	of	IN
39142	3235	6	the	the	DT
39142	3235	7	opinion	opinion	NN
39142	3235	8	that	that	IN
39142	3235	9	Kant	Kant	NNP
39142	3235	10	's	's	POS
39142	3235	11	hypothesis	hypothesis	NN
39142	3235	12	would	would	MD
39142	3235	13	result	result	VB
39142	3235	14	,	,	,
39142	3235	15	not	not	RB
39142	3235	16	in	in	IN
39142	3235	17	the	the	DT
39142	3235	18	formation	formation	NN
39142	3235	19	of	of	IN
39142	3235	20	such	such	PDT
39142	3235	21	a	a	DT
39142	3235	22	collection	collection	NN
39142	3235	23	of	of	IN
39142	3235	24	bodies	body	NNS
39142	3235	25	as	as	IN
39142	3235	26	the	the	DT
39142	3235	27	solar	solar	JJ
39142	3235	28	system	system	NN
39142	3235	29	is	be	VBZ
39142	3235	30	,	,	,
39142	3235	31	but	but	CC
39142	3235	32	rather	rather	RB
39142	3235	33	in	in	IN
39142	3235	34	a	a	DT
39142	3235	35	single	single	JJ
39142	3235	36	central	central	JJ
39142	3235	37	sun	sun	NN
39142	3235	38	formed	form	VBN
39142	3235	39	by	by	IN
39142	3235	40	common	common	JJ
39142	3235	41	gravitation	gravitation	NN
39142	3235	42	toward	toward	IN
39142	3235	43	a	a	DT
39142	3235	44	single	single	JJ
39142	3235	45	center	center	NN
39142	3235	46	.	.	.
39142	3236	1	From	from	IN
39142	3236	2	quite	quite	PDT
39142	3236	3	another	another	DT
39142	3236	4	viewpoint	viewpoint	NN
39142	3236	5	the	the	DT
39142	3236	6	work	work	NN
39142	3236	7	of	of	IN
39142	3236	8	the	the	DT
39142	3236	9	elder	eld	JJR
39142	3236	10	Herschel	Herschel	NNP
39142	3236	11	is	be	VBZ
39142	3236	12	important	important	JJ
39142	3236	13	here	here	RB
39142	3236	14	.	.	.
39142	3237	1	No	no	DT
39142	3237	2	one	one	NN
39142	3237	3	knew	know	VBD
39142	3237	4	the	the	DT
39142	3237	5	nebulæ	nebulæ	NN
39142	3237	6	from	from	IN
39142	3237	7	actual	actual	JJ
39142	3237	8	observation	observation	NN
39142	3237	9	better	well	RBR
39142	3237	10	than	than	IN
39142	3237	11	he	-PRON-	PRP
39142	3237	12	did	do	VBD
39142	3237	13	;	;	:
39142	3237	14	but	but	CC
39142	3237	15	,	,	,
39142	3237	16	while	while	IN
39142	3237	17	his	-PRON-	PRP$
39142	3237	18	ideas	idea	NNS
39142	3237	19	about	about	IN
39142	3237	20	their	-PRON-	PRP$
39142	3237	21	composition	composition	NN
39142	3237	22	were	be	VBD
39142	3237	23	wrong	wrong	JJ
39142	3237	24	,	,	,
39142	3237	25	he	-PRON-	PRP
39142	3237	26	nevertheless	nevertheless	RB
39142	3237	27	conceived	conceive	VBD
39142	3237	28	of	of	IN
39142	3237	29	them	-PRON-	PRP
39142	3237	30	as	as	IN
39142	3237	31	gradually	gradually	RB
39142	3237	32	condensing	condense	VBG
39142	3237	33	into	into	IN
39142	3237	34	stars	star	NNS
39142	3237	35	or	or	CC
39142	3237	36	clusters	cluster	NNS
39142	3237	37	of	of	IN
39142	3237	38	stars	star	NNS
39142	3237	39	.	.	.
39142	3238	1	And	and	CC
39142	3238	2	it	-PRON-	PRP
39142	3238	3	was	be	VBD
39142	3238	4	this	this	DT
39142	3238	5	speculative	speculative	JJ
39142	3238	6	aspect	aspect	NN
39142	3238	7	of	of	IN
39142	3238	8	the	the	DT
39142	3238	9	nebulæ	nebulæ	NN
39142	3238	10	,	,	,
39142	3238	11	not	not	RB
39142	3238	12	as	as	IN
39142	3238	13	a	a	DT
39142	3238	14	possible	possible	JJ
39142	3238	15	means	means	NN
39142	3238	16	of	of	IN
39142	3238	17	accounting	accounting	NN
39142	3238	18	for	for	IN
39142	3238	19	the	the	DT
39142	3238	20	birth	birth	NN
39142	3238	21	and	and	CC
39142	3238	22	development	development	NN
39142	3238	23	of	of	IN
39142	3238	24	the	the	DT
39142	3238	25	solar	solar	JJ
39142	3238	26	system	system	NN
39142	3238	27	,	,	,
39142	3238	28	which	which	WDT
39142	3238	29	constitutes	constitute	VBZ
39142	3238	30	Herschel	Herschel	NNP
39142	3238	31	's	's	POS
39142	3238	32	chief	chief	JJ
39142	3238	33	contribution	contribution	NN
39142	3238	34	to	to	IN
39142	3238	35	the	the	DT
39142	3238	36	nebular	nebular	JJ
39142	3238	37	hypothesis	hypothesis	NN
39142	3238	38	.	.	.
39142	3239	1	Classifying	classify	VBG
39142	3239	2	the	the	DT
39142	3239	3	nebulæ	nebulæ	NN
39142	3239	4	which	which	WDT
39142	3239	5	he	-PRON-	PRP
39142	3239	6	had	have	VBD
39142	3239	7	carefully	carefully	RB
39142	3239	8	studied	study	VBN
39142	3239	9	with	with	IN
39142	3239	10	his	-PRON-	PRP$
39142	3239	11	great	great	JJ
39142	3239	12	telescopes	telescope	NNS
39142	3239	13	,	,	,
39142	3239	14	it	-PRON-	PRP
39142	3239	15	seemed	seem	VBD
39142	3239	16	obvious	obvious	JJ
39142	3239	17	to	to	IN
39142	3239	18	him	-PRON-	PRP
39142	3239	19	that	that	IN
39142	3239	20	they	-PRON-	PRP
39142	3239	21	were	be	VBD
39142	3239	22	actually	actually	RB
39142	3239	23	in	in	IN
39142	3239	24	all	all	PDT
39142	3239	25	the	the	DT
39142	3239	26	different	different	JJ
39142	3239	27	stages	stage	NNS
39142	3239	28	of	of	IN
39142	3239	29	condensation	condensation	NN
39142	3239	30	,	,	,
39142	3239	31	and	and	CC
39142	3239	32	subsequent	subsequent	JJ
39142	3239	33	research	research	NN
39142	3239	34	has	have	VBZ
39142	3239	35	strongly	strongly	RB
39142	3239	36	tended	tend	VBN
39142	3239	37	to	to	TO
39142	3239	38	substantiate	substantiate	VB
39142	3239	39	the	the	DT
39142	3239	40	Herschelian	herschelian	JJ
39142	3239	41	view	view	NN
39142	3239	42	.	.	.
39142	3240	1	Then	then	RB
39142	3240	2	came	come	VBD
39142	3240	3	Laplace	Laplace	NNP
39142	3240	4	,	,	,
39142	3240	5	who	who	WP
39142	3240	6	took	take	VBD
39142	3240	7	up	up	RP
39142	3240	8	the	the	DT
39142	3240	9	great	great	JJ
39142	3240	10	hypothesis	hypothesis	NN
39142	3240	11	where	where	WRB
39142	3240	12	Kant	Kant	NNP
39142	3240	13	and	and	CC
39142	3240	14	Herschel	Herschel	NNP
39142	3240	15	had	have	VBD
39142	3240	16	left	leave	VBN
39142	3240	17	it	-PRON-	PRP
39142	3240	18	,	,	,
39142	3240	19	added	add	VBD
39142	3240	20	new	new	JJ
39142	3240	21	and	and	CC
39142	3240	22	important	important	JJ
39142	3240	23	conceptions	conception	NNS
39142	3240	24	in	in	IN
39142	3240	25	the	the	DT
39142	3240	26	light	light	NN
39142	3240	27	of	of	IN
39142	3240	28	his	-PRON-	PRP$
39142	3240	29	mature	mature	JJ
39142	3240	30	labors	labor	NNS
39142	3240	31	as	as	IN
39142	3240	32	mathematician	mathematician	NNP
39142	3240	33	and	and	CC
39142	3240	34	astronomer	astronomer	NN
39142	3240	35	,	,	,
39142	3240	36	and	and	CC
39142	3240	37	put	put	VBD
39142	3240	38	the	the	DT
39142	3240	39	theory	theory	NN
39142	3240	40	in	in	IN
39142	3240	41	definitive	definitive	JJ
39142	3240	42	form	form	NN
39142	3240	43	,	,	,
39142	3240	44	such	such	JJ
39142	3240	45	that	that	IN
39142	3240	46	it	-PRON-	PRP
39142	3240	47	has	have	VBZ
39142	3240	48	ever	ever	RB
39142	3240	49	since	since	IN
39142	3240	50	been	be	VBN
39142	3240	51	known	know	VBN
39142	3240	52	under	under	IN
39142	3240	53	the	the	DT
39142	3240	54	name	name	NN
39142	3240	55	of	of	IN
39142	3240	56	Laplacian	laplacian	JJ
39142	3240	57	nebular	nebular	JJ
39142	3240	58	hypothesis	hypothesis	NN
39142	3240	59	.	.	.
39142	3241	1	For	for	IN
39142	3241	2	reasons	reason	NNS
39142	3241	3	like	like	IN
39142	3241	4	those	those	DT
39142	3241	5	that	that	WDT
39142	3241	6	prevailed	prevail	VBD
39142	3241	7	with	with	IN
39142	3241	8	Kant	Kant	NNP
39142	3241	9	,	,	,
39142	3241	10	he	-PRON-	PRP
39142	3241	11	began	begin	VBD
39142	3241	12	the	the	DT
39142	3241	13	evolution	evolution	NN
39142	3241	14	of	of	IN
39142	3241	15	the	the	DT
39142	3241	16	solar	solar	JJ
39142	3241	17	system	system	NN
39142	3241	18	with	with	IN
39142	3241	19	the	the	DT
39142	3241	20	sun	sun	NN
39142	3241	21	already	already	RB
39142	3241	22	formed	form	VBN
39142	3241	23	as	as	IN
39142	3241	24	the	the	DT
39142	3241	25	center	center	NN
39142	3241	26	,	,	,
39142	3241	27	but	but	CC
39142	3241	28	surrounded	surround	VBN
39142	3241	29	by	by	IN
39142	3241	30	a	a	DT
39142	3241	31	vast	vast	JJ
39142	3241	32	incandescent	incandescent	NN
39142	3241	33	atmosphere	atmosphere	NN
39142	3241	34	that	that	WDT
39142	3241	35	filled	fill	VBD
39142	3241	36	all	all	PDT
39142	3241	37	the	the	DT
39142	3241	38	space	space	NN
39142	3241	39	which	which	WDT
39142	3241	40	the	the	DT
39142	3241	41	sun	sun	NN
39142	3241	42	's	's	POS
39142	3241	43	family	family	NN
39142	3241	44	of	of	IN
39142	3241	45	planets	planet	NNS
39142	3241	46	now	now	RB
39142	3241	47	occupy	occupy	VBP
39142	3241	48	.	.	.
39142	3242	1	This	this	DT
39142	3242	2	entire	entire	JJ
39142	3242	3	mass	mass	NN
39142	3242	4	,	,	,
39142	3242	5	sun	sun	NN
39142	3242	6	,	,	,
39142	3242	7	atmosphere	atmosphere	NN
39142	3242	8	,	,	,
39142	3242	9	and	and	CC
39142	3242	10	all	all	DT
39142	3242	11	,	,	,
39142	3242	12	he	-PRON-	PRP
39142	3242	13	conceived	conceive	VBD
39142	3242	14	to	to	TO
39142	3242	15	have	have	VB
39142	3242	16	a	a	DT
39142	3242	17	stately	stately	JJ
39142	3242	18	rotation	rotation	NN
39142	3242	19	about	about	IN
39142	3242	20	its	-PRON-	PRP$
39142	3242	21	axis	axis	NN
39142	3242	22	.	.	.
39142	3243	1	With	with	IN
39142	3243	2	rotation	rotation	NN
39142	3243	3	of	of	IN
39142	3243	4	the	the	DT
39142	3243	5	mass	mass	JJ
39142	3243	6	and	and	CC
39142	3243	7	slow	slow	JJ
39142	3243	8	reduction	reduction	NN
39142	3243	9	of	of	IN
39142	3243	10	temperature	temperature	NN
39142	3243	11	in	in	IN
39142	3243	12	its	-PRON-	PRP$
39142	3243	13	outer	outer	JJ
39142	3243	14	regions	region	NNS
39142	3243	15	,	,	,
39142	3243	16	there	there	EX
39142	3243	17	would	would	MD
39142	3243	18	be	be	VB
39142	3243	19	contraction	contraction	NN
39142	3243	20	toward	toward	IN
39142	3243	21	the	the	DT
39142	3243	22	solar	solar	JJ
39142	3243	23	center	center	NN
39142	3243	24	,	,	,
39142	3243	25	and	and	CC
39142	3243	26	an	an	DT
39142	3243	27	increase	increase	NN
39142	3243	28	in	in	IN
39142	3243	29	velocity	velocity	NN
39142	3243	30	of	of	IN
39142	3243	31	rotation	rotation	NN
39142	3243	32	until	until	IN
39142	3243	33	the	the	DT
39142	3243	34	whole	whole	JJ
39142	3243	35	mass	mass	NN
39142	3243	36	had	have	VBD
39142	3243	37	been	be	VBN
39142	3243	38	much	much	RB
39142	3243	39	reduced	reduce	VBN
39142	3243	40	in	in	IN
39142	3243	41	diameter	diameter	NN
39142	3243	42	at	at	IN
39142	3243	43	its	-PRON-	PRP$
39142	3243	44	poles	pole	NNS
39142	3243	45	and	and	CC
39142	3243	46	proportionately	proportionately	RB
39142	3243	47	expanded	expand	VBN
39142	3243	48	at	at	IN
39142	3243	49	its	-PRON-	PRP$
39142	3243	50	equator	equator	NN
39142	3243	51	.	.	.
39142	3244	1	When	when	WRB
39142	3244	2	the	the	DT
39142	3244	3	centrifugal	centrifugal	JJ
39142	3244	4	force	force	NN
39142	3244	5	of	of	IN
39142	3244	6	the	the	DT
39142	3244	7	outer	outer	JJ
39142	3244	8	equatorial	equatorial	JJ
39142	3244	9	masses	masse	NNS
39142	3244	10	finally	finally	RB
39142	3244	11	became	become	VBD
39142	3244	12	equal	equal	JJ
39142	3244	13	to	to	IN
39142	3244	14	the	the	DT
39142	3244	15	gravitational	gravitational	JJ
39142	3244	16	forces	force	NNS
39142	3244	17	of	of	IN
39142	3244	18	the	the	DT
39142	3244	19	central	central	JJ
39142	3244	20	mass	mass	NN
39142	3244	21	,	,	,
39142	3244	22	then	then	RB
39142	3244	23	these	these	DT
39142	3244	24	conjoined	conjoin	VBD
39142	3244	25	outer	outer	JJ
39142	3244	26	portions	portion	NNS
39142	3244	27	would	would	MD
39142	3244	28	be	be	VB
39142	3244	29	left	leave	VBN
39142	3244	30	behind	behind	RB
39142	3244	31	as	as	IN
39142	3244	32	a	a	DT
39142	3244	33	ring	ring	NN
39142	3244	34	,	,	,
39142	3244	35	still	still	RB
39142	3244	36	revolving	revolve	VBG
39142	3244	37	at	at	IN
39142	3244	38	the	the	DT
39142	3244	39	velocity	velocity	NN
39142	3244	40	it	-PRON-	PRP
39142	3244	41	had	have	VBD
39142	3244	42	acquired	acquire	VBN
39142	3244	43	when	when	WRB
39142	3244	44	detached	detach	VBN
39142	3244	45	.	.	.
39142	3245	1	The	the	DT
39142	3245	2	revolution	revolution	NN
39142	3245	3	of	of	IN
39142	3245	4	the	the	DT
39142	3245	5	entire	entire	JJ
39142	3245	6	inner	inner	JJ
39142	3245	7	mass	mass	NN
39142	3245	8	goes	go	VBZ
39142	3245	9	on	on	RP
39142	3245	10	,	,	,
39142	3245	11	its	-PRON-	PRP$
39142	3245	12	velocity	velocity	NN
39142	3245	13	accelerating	accelerate	VBG
39142	3245	14	until	until	IN
39142	3245	15	a	a	DT
39142	3245	16	similar	similar	JJ
39142	3245	17	equilibration	equilibration	NN
39142	3245	18	of	of	IN
39142	3245	19	forces	force	NNS
39142	3245	20	is	be	VBZ
39142	3245	21	again	again	RB
39142	3245	22	reached	reach	VBN
39142	3245	23	,	,	,
39142	3245	24	when	when	WRB
39142	3245	25	a	a	DT
39142	3245	26	second	second	JJ
39142	3245	27	rotating	rotating	NN
39142	3245	28	ring	ring	NN
39142	3245	29	is	be	VBZ
39142	3245	30	left	leave	VBN
39142	3245	31	behind	behind	RB
39142	3245	32	.	.	.
39142	3246	1	Laplace	Laplace	NNP
39142	3246	2	conceived	conceive	VBD
39142	3246	3	the	the	DT
39142	3246	4	process	process	NN
39142	3246	5	as	as	IN
39142	3246	6	repeated	repeat	VBN
39142	3246	7	until	until	IN
39142	3246	8	as	as	RB
39142	3246	9	many	many	JJ
39142	3246	10	rings	ring	NNS
39142	3246	11	had	have	VBD
39142	3246	12	been	be	VBN
39142	3246	13	detached	detach	VBN
39142	3246	14	as	as	IN
39142	3246	15	there	there	EX
39142	3246	16	are	be	VBP
39142	3246	17	individual	individual	JJ
39142	3246	18	planets	planet	NNS
39142	3246	19	,	,	,
39142	3246	20	all	all	DT
39142	3246	21	central	central	JJ
39142	3246	22	about	about	IN
39142	3246	23	the	the	DT
39142	3246	24	sun	sun	NN
39142	3246	25	,	,	,
39142	3246	26	or	or	CC
39142	3246	27	nearly	nearly	RB
39142	3246	28	so	so	RB
39142	3246	29	.	.	.
39142	3247	1	In	in	IN
39142	3247	2	all	all	DT
39142	3247	3	,	,	,
39142	3247	4	then	then	RB
39142	3247	5	,	,	,
39142	3247	6	we	-PRON-	PRP
39142	3247	7	should	should	MD
39142	3247	8	have	have	VB
39142	3247	9	nine	nine	CD
39142	3247	10	gaseous	gaseous	JJ
39142	3247	11	rings	ring	NNS
39142	3247	12	;	;	:
39142	3247	13	the	the	DT
39142	3247	14	outer	outer	JJ
39142	3247	15	ones	one	NNS
39142	3247	16	preceding	precede	VBG
39142	3247	17	the	the	DT
39142	3247	18	inner	inner	JJ
39142	3247	19	in	in	IN
39142	3247	20	formation	formation	NN
39142	3247	21	,	,	,
39142	3247	22	but	but	CC
39142	3247	23	not	not	RB
39142	3247	24	all	all	DT
39142	3247	25	existing	exist	VBG
39142	3247	26	as	as	IN
39142	3247	27	rings	ring	NNS
39142	3247	28	at	at	IN
39142	3247	29	the	the	DT
39142	3247	30	same	same	JJ
39142	3247	31	time	time	NN
39142	3247	32	.	.	.
39142	3248	1	Radiation	radiation	NN
39142	3248	2	from	from	IN
39142	3248	3	the	the	DT
39142	3248	4	ring	ring	NN
39142	3248	5	on	on	IN
39142	3248	6	all	all	DT
39142	3248	7	sides	side	NNS
39142	3248	8	would	would	MD
39142	3248	9	lead	lead	VB
39142	3248	10	to	to	IN
39142	3248	11	rapid	rapid	JJ
39142	3248	12	contraction	contraction	NN
39142	3248	13	of	of	IN
39142	3248	14	its	-PRON-	PRP$
39142	3248	15	mass	mass	NN
39142	3248	16	,	,	,
39142	3248	17	so	so	IN
39142	3248	18	that	that	IN
39142	3248	19	many	many	JJ
39142	3248	20	nuclei	nucleus	NNS
39142	3248	21	of	of	IN
39142	3248	22	condensation	condensation	NN
39142	3248	23	would	would	MD
39142	3248	24	form	form	VB
39142	3248	25	,	,	,
39142	3248	26	of	of	IN
39142	3248	27	various	various	JJ
39142	3248	28	sizes	size	NNS
39142	3248	29	,	,	,
39142	3248	30	all	all	DT
39142	3248	31	revolving	revolving	JJ
39142	3248	32	round	round	NN
39142	3248	33	the	the	DT
39142	3248	34	central	central	JJ
39142	3248	35	sun	sun	NN
39142	3248	36	in	in	IN
39142	3248	37	practically	practically	RB
39142	3248	38	the	the	DT
39142	3248	39	same	same	JJ
39142	3248	40	period	period	NN
39142	3248	41	.	.	.
39142	3249	1	Laplace	Laplace	NNP
39142	3249	2	conceived	conceive	VBD
39142	3249	3	the	the	DT
39142	3249	4	evolution	evolution	NN
39142	3249	5	of	of	IN
39142	3249	6	the	the	DT
39142	3249	7	ring	ring	NN
39142	3249	8	to	to	TO
39142	3249	9	proceed	proceed	VB
39142	3249	10	still	still	RB
39142	3249	11	farther	farther	RB
39142	3249	12	till	till	IN
39142	3249	13	the	the	DT
39142	3249	14	largest	large	JJS
39142	3249	15	aggregation	aggregation	NN
39142	3249	16	in	in	IN
39142	3249	17	it	-PRON-	PRP
39142	3249	18	had	have	VBD
39142	3249	19	drawn	draw	VBN
39142	3249	20	to	to	IN
39142	3249	21	itself	-PRON-	PRP
39142	3249	22	all	all	PDT
39142	3249	23	the	the	DT
39142	3249	24	other	other	JJ
39142	3249	25	separate	separate	JJ
39142	3249	26	nuclei	nucleus	NNS
39142	3249	27	in	in	IN
39142	3249	28	the	the	DT
39142	3249	29	ring	ring	NN
39142	3249	30	.	.	.
39142	3250	1	This	this	DT
39142	3250	2	,	,	,
39142	3250	3	then	then	RB
39142	3250	4	,	,	,
39142	3250	5	was	be	VBD
39142	3250	6	the	the	DT
39142	3250	7	planet	planet	NN
39142	3250	8	in	in	IN
39142	3250	9	embryo	embryo	NN
39142	3250	10	,	,	,
39142	3250	11	in	in	IN
39142	3250	12	effect	effect	NN
39142	3250	13	a	a	DT
39142	3250	14	diminutive	diminutive	JJ
39142	3250	15	sun	sun	NN
39142	3250	16	,	,	,
39142	3250	17	a	a	DT
39142	3250	18	secondary	secondary	JJ
39142	3250	19	incandescent	incandescent	NN
39142	3250	20	mass	mass	NN
39142	3250	21	endowed	endow	VBN
39142	3250	22	with	with	IN
39142	3250	23	axial	axial	JJ
39142	3250	24	rotation	rotation	NN
39142	3250	25	in	in	IN
39142	3250	26	the	the	DT
39142	3250	27	same	same	JJ
39142	3250	28	direction	direction	NN
39142	3250	29	as	as	IN
39142	3250	30	the	the	DT
39142	3250	31	parent	parent	NN
39142	3250	32	nebula	nebula	NN
39142	3250	33	.	.	.
39142	3251	1	With	with	IN
39142	3251	2	reduction	reduction	NN
39142	3251	3	of	of	IN
39142	3251	4	temperature	temperature	NN
39142	3251	5	by	by	IN
39142	3251	6	radiation	radiation	NN
39142	3251	7	,	,	,
39142	3251	8	polar	polar	JJ
39142	3251	9	contraction	contraction	NN
39142	3251	10	and	and	CC
39142	3251	11	equatorial	equatorial	JJ
39142	3251	12	expansion	expansion	NN
39142	3251	13	go	go	VB
39142	3251	14	on	on	RP
39142	3251	15	,	,	,
39142	3251	16	and	and	CC
39142	3251	17	planetary	planetary	NN
39142	3251	18	rings	ring	NNS
39142	3251	19	are	be	VBP
39142	3251	20	detached	detach	VBN
39142	3251	21	from	from	IN
39142	3251	22	this	this	DT
39142	3251	23	secondary	secondary	JJ
39142	3251	24	mass	mass	NN
39142	3251	25	in	in	IN
39142	3251	26	exactly	exactly	RB
39142	3251	27	the	the	DT
39142	3251	28	same	same	JJ
39142	3251	29	way	way	NN
39142	3251	30	as	as	IN
39142	3251	31	from	from	IN
39142	3251	32	the	the	DT
39142	3251	33	original	original	JJ
39142	3251	34	sun	sun	NN
39142	3251	35	nebula	nebula	NNP
39142	3251	36	.	.	.
39142	3252	1	And	and	CC
39142	3252	2	these	these	DT
39142	3252	3	planetary	planetary	NN
39142	3252	4	rings	ring	NNS
39142	3252	5	are	be	VBP
39142	3252	6	,	,	,
39142	3252	7	in	in	IN
39142	3252	8	the	the	DT
39142	3252	9	Laplacian	laplacian	JJ
39142	3252	10	hypothesis	hypothesis	NN
39142	3252	11	,	,	,
39142	3252	12	the	the	DT
39142	3252	13	embryo	embryo	NN
39142	3252	14	moons	moon	NNS
39142	3252	15	or	or	CC
39142	3252	16	planetary	planetary	NN
39142	3252	17	satellites	satellite	NNS
39142	3252	18	,	,	,
39142	3252	19	all	all	DT
39142	3252	20	revolving	revolving	JJ
39142	3252	21	round	round	IN
39142	3252	22	their	-PRON-	PRP$
39142	3252	23	several	several	JJ
39142	3252	24	planets	planet	NNS
39142	3252	25	in	in	IN
39142	3252	26	the	the	DT
39142	3252	27	same	same	JJ
39142	3252	28	direction	direction	NN
39142	3252	29	that	that	IN
39142	3252	30	the	the	DT
39142	3252	31	planets	planet	NNS
39142	3252	32	revolve	revolve	VB
39142	3252	33	about	about	IN
39142	3252	34	the	the	DT
39142	3252	35	sun	sun	NN
39142	3252	36	.	.	.
39142	3253	1	In	in	IN
39142	3253	2	the	the	DT
39142	3253	3	case	case	NN
39142	3253	4	of	of	IN
39142	3253	5	one	one	CD
39142	3253	6	of	of	IN
39142	3253	7	the	the	DT
39142	3253	8	planetary	planetary	NN
39142	3253	9	rings	ring	NNS
39142	3253	10	,	,	,
39142	3253	11	its	-PRON-	PRP$
39142	3253	12	formation	formation	NN
39142	3253	13	was	be	VBD
39142	3253	14	so	so	RB
39142	3253	15	nearly	nearly	RB
39142	3253	16	homogeneous	homogeneous	JJ
39142	3253	17	throughout	throughout	IN
39142	3253	18	that	that	DT
39142	3253	19	no	no	DT
39142	3253	20	aggregation	aggregation	NN
39142	3253	21	into	into	IN
39142	3253	22	a	a	DT
39142	3253	23	single	single	JJ
39142	3253	24	satellite	satellite	NN
39142	3253	25	was	be	VBD
39142	3253	26	possible	possible	JJ
39142	3253	27	;	;	:
39142	3253	28	all	all	DT
39142	3253	29	portions	portion	NNS
39142	3253	30	of	of	IN
39142	3253	31	the	the	DT
39142	3253	32	ring	ring	NN
39142	3253	33	being	being	NN
39142	3253	34	of	of	IN
39142	3253	35	equal	equal	JJ
39142	3253	36	density	density	NN
39142	3253	37	,	,	,
39142	3253	38	there	there	EX
39142	3253	39	was	be	VBD
39142	3253	40	no	no	DT
39142	3253	41	denser	denser	NN
39142	3253	42	region	region	NN
39142	3253	43	to	to	TO
39142	3253	44	attract	attract	VB
39142	3253	45	the	the	DT
39142	3253	46	less	less	JJR
39142	3253	47	dense	dense	JJ
39142	3253	48	regions	region	NNS
39142	3253	49	,	,	,
39142	3253	50	and	and	CC
39142	3253	51	in	in	IN
39142	3253	52	this	this	DT
39142	3253	53	manner	manner	NN
39142	3253	54	the	the	DT
39142	3253	55	rings	ring	NNS
39142	3253	56	of	of	IN
39142	3253	57	Saturn	Saturn	NNP
39142	3253	58	were	be	VBD
39142	3253	59	formed	form	VBN
39142	3253	60	,	,	,
39142	3253	61	in	in	IN
39142	3253	62	lieu	lieu	NN
39142	3253	63	of	of	IN
39142	3253	64	condensation	condensation	NN
39142	3253	65	into	into	IN
39142	3253	66	a	a	DT
39142	3253	67	separate	separate	JJ
39142	3253	68	satellite	satellite	NN
39142	3253	69	.	.	.
39142	3254	1	Similarly	similarly	RB
39142	3254	2	in	in	IN
39142	3254	3	the	the	DT
39142	3254	4	case	case	NN
39142	3254	5	of	of	IN
39142	3254	6	the	the	DT
39142	3254	7	primal	primal	JJ
39142	3254	8	solar	solar	JJ
39142	3254	9	ring	ring	NN
39142	3254	10	that	that	WDT
39142	3254	11	was	be	VBD
39142	3254	12	detached	detach	VBN
39142	3254	13	next	next	RB
39142	3254	14	after	after	IN
39142	3254	15	the	the	DT
39142	3254	16	Jovian	jovian	JJ
39142	3254	17	ring	ring	NN
39142	3254	18	;	;	:
39142	3254	19	there	there	EX
39142	3254	20	was	be	VBD
39142	3254	21	such	such	PDT
39142	3254	22	a	a	DT
39142	3254	23	nice	nice	JJ
39142	3254	24	balancing	balancing	NN
39142	3254	25	of	of	IN
39142	3254	26	masses	masse	NNS
39142	3254	27	and	and	CC
39142	3254	28	densities	density	NNS
39142	3254	29	that	that	WDT
39142	3254	30	,	,	,
39142	3254	31	instead	instead	RB
39142	3254	32	of	of	IN
39142	3254	33	a	a	DT
39142	3254	34	single	single	JJ
39142	3254	35	major	major	JJ
39142	3254	36	planet	planet	NN
39142	3254	37	,	,	,
39142	3254	38	we	-PRON-	PRP
39142	3254	39	have	have	VBP
39142	3254	40	the	the	DT
39142	3254	41	well	well	RB
39142	3254	42	-	-	HYPH
39142	3254	43	known	know	VBN
39142	3254	44	asteroidal	asteroidal	NN
39142	3254	45	ring	ring	NN
39142	3254	46	,	,	,
39142	3254	47	composed	compose	VBN
39142	3254	48	of	of	IN
39142	3254	49	innumerable	innumerable	JJ
39142	3254	50	discrete	discrete	JJ
39142	3254	51	minor	minor	JJ
39142	3254	52	planets	planet	NNS
39142	3254	53	.	.	.
39142	3255	1	This	this	DT
39142	3255	2	,	,	,
39142	3255	3	then	then	RB
39142	3255	4	,	,	,
39142	3255	5	in	in	IN
39142	3255	6	bare	bare	JJ
39142	3255	7	outline	outline	NN
39142	3255	8	,	,	,
39142	3255	9	is	be	VBZ
39142	3255	10	the	the	DT
39142	3255	11	Laplacian	laplacian	JJ
39142	3255	12	nebular	nebular	JJ
39142	3255	13	hypothesis	hypothesis	NN
39142	3255	14	,	,	,
39142	3255	15	and	and	CC
39142	3255	16	it	-PRON-	PRP
39142	3255	17	accounted	account	VBD
39142	3255	18	very	very	RB
39142	3255	19	well	well	RB
39142	3255	20	for	for	IN
39142	3255	21	the	the	DT
39142	3255	22	solar	solar	JJ
39142	3255	23	system	system	NN
39142	3255	24	as	as	IN
39142	3255	25	known	know	VBN
39142	3255	26	in	in	IN
39142	3255	27	his	-PRON-	PRP$
39142	3255	28	day	day	NN
39142	3255	29	;	;	:
39142	3255	30	the	the	DT
39142	3255	31	fairly	fairly	RB
39142	3255	32	regular	regular	JJ
39142	3255	33	progression	progression	NN
39142	3255	34	of	of	IN
39142	3255	35	planetary	planetary	NN
39142	3255	36	distances	distance	NNS
39142	3255	37	;	;	:
39142	3255	38	their	-PRON-	PRP$
39142	3255	39	orbits	orbit	NNS
39142	3255	40	round	round	VBP
39142	3255	41	the	the	DT
39142	3255	42	sun	sun	NN
39142	3255	43	all	all	DT
39142	3255	44	nearly	nearly	RB
39142	3255	45	circular	circular	JJ
39142	3255	46	and	and	CC
39142	3255	47	approximately	approximately	RB
39142	3255	48	in	in	IN
39142	3255	49	a	a	DT
39142	3255	50	single	single	JJ
39142	3255	51	plane	plane	NN
39142	3255	52	;	;	:
39142	3255	53	the	the	DT
39142	3255	54	planetary	planetary	NN
39142	3255	55	and	and	CC
39142	3255	56	satellite	satellite	NN
39142	3255	57	revolutions	revolution	NNS
39142	3255	58	in	in	IN
39142	3255	59	orbit	orbit	NN
39142	3255	60	all	all	DT
39142	3255	61	in	in	IN
39142	3255	62	the	the	DT
39142	3255	63	same	same	JJ
39142	3255	64	direction	direction	NN
39142	3255	65	;	;	:
39142	3255	66	the	the	DT
39142	3255	67	axial	axial	JJ
39142	3255	68	rotations	rotation	NNS
39142	3255	69	of	of	IN
39142	3255	70	planets	planet	NNS
39142	3255	71	in	in	IN
39142	3255	72	the	the	DT
39142	3255	73	same	same	JJ
39142	3255	74	direction	direction	NN
39142	3255	75	as	as	IN
39142	3255	76	their	-PRON-	PRP$
39142	3255	77	orbital	orbital	JJ
39142	3255	78	revolutions	revolution	NNS
39142	3255	79	;	;	:
39142	3255	80	and	and	CC
39142	3255	81	the	the	DT
39142	3255	82	plane	plane	NN
39142	3255	83	of	of	IN
39142	3255	84	orbital	orbital	JJ
39142	3255	85	revolution	revolution	NN
39142	3255	86	of	of	IN
39142	3255	87	the	the	DT
39142	3255	88	satellites	satellite	NNS
39142	3255	89	practically	practically	RB
39142	3255	90	coinciding	coincide	VBG
39142	3255	91	with	with	IN
39142	3255	92	the	the	DT
39142	3255	93	plane	plane	NN
39142	3255	94	of	of	IN
39142	3255	95	the	the	DT
39142	3255	96	planet	planet	NN
39142	3255	97	's	's	POS
39142	3255	98	axial	axial	JJ
39142	3255	99	rotation	rotation	NN
39142	3255	100	.	.	.
39142	3256	1	But	but	CC
39142	3256	2	the	the	DT
39142	3256	3	principle	principle	NN
39142	3256	4	of	of	IN
39142	3256	5	conservation	conservation	NN
39142	3256	6	of	of	IN
39142	3256	7	energy	energy	NN
39142	3256	8	was	be	VBD
39142	3256	9	,	,	,
39142	3256	10	of	of	IN
39142	3256	11	course	course	NN
39142	3256	12	,	,	,
39142	3256	13	unknown	unknown	JJ
39142	3256	14	to	to	IN
39142	3256	15	Laplace	Laplace	NNP
39142	3256	16	,	,	,
39142	3256	17	nor	nor	CC
39142	3256	18	had	have	VBD
39142	3256	19	the	the	DT
39142	3256	20	mechanical	mechanical	JJ
39142	3256	21	equivalence	equivalence	NN
39142	3256	22	of	of	IN
39142	3256	23	heat	heat	NN
39142	3256	24	with	with	IN
39142	3256	25	other	other	JJ
39142	3256	26	forms	form	NNS
39142	3256	27	of	of	IN
39142	3256	28	energy	energy	NN
39142	3256	29	been	be	VBN
39142	3256	30	established	establish	VBN
39142	3256	31	in	in	IN
39142	3256	32	his	-PRON-	PRP$
39142	3256	33	day	day	NN
39142	3256	34	.	.	.
39142	3257	1	In	in	IN
39142	3257	2	1870	1870	CD
39142	3257	3	,	,	,
39142	3257	4	Lane	Lane	NNP
39142	3257	5	of	of	IN
39142	3257	6	Washington	Washington	NNP
39142	3257	7	first	first	RB
39142	3257	8	demonstrated	demonstrate	VBD
39142	3257	9	the	the	DT
39142	3257	10	remarkable	remarkable	JJ
39142	3257	11	law	law	NN
39142	3257	12	that	that	WDT
39142	3257	13	a	a	DT
39142	3257	14	gaseous	gaseous	JJ
39142	3257	15	sphere	sphere	NN
39142	3257	16	,	,	,
39142	3257	17	in	in	IN
39142	3257	18	process	process	NN
39142	3257	19	of	of	IN
39142	3257	20	losing	lose	VBG
39142	3257	21	heat	heat	NN
39142	3257	22	by	by	IN
39142	3257	23	radiation	radiation	NN
39142	3257	24	and	and	CC
39142	3257	25	contraction	contraction	NN
39142	3257	26	because	because	IN
39142	3257	27	of	of	IN
39142	3257	28	its	-PRON-	PRP$
39142	3257	29	own	own	JJ
39142	3257	30	gravity	gravity	NN
39142	3257	31	,	,	,
39142	3257	32	actually	actually	RB
39142	3257	33	grows	grow	VBZ
39142	3257	34	hotter	hot	JJR
39142	3257	35	instead	instead	RB
39142	3257	36	of	of	IN
39142	3257	37	cooler	cooler	NN
39142	3257	38	,	,	,
39142	3257	39	as	as	RB
39142	3257	40	long	long	RB
39142	3257	41	as	as	IN
39142	3257	42	it	-PRON-	PRP
39142	3257	43	continues	continue	VBZ
39142	3257	44	to	to	TO
39142	3257	45	be	be	VB
39142	3257	46	gaseous	gaseous	JJ
39142	3257	47	,	,	,
39142	3257	48	and	and	CC
39142	3257	49	not	not	RB
39142	3257	50	liquid	liquid	JJ
39142	3257	51	or	or	CC
39142	3257	52	solid	solid	JJ
39142	3257	53	.	.	.
39142	3258	1	So	so	CC
39142	3258	2	there	there	EX
39142	3258	3	is	be	VBZ
39142	3258	4	no	no	DT
39142	3258	5	need	need	NN
39142	3258	6	of	of	IN
39142	3258	7	postulating	postulate	VBG
39142	3258	8	with	with	IN
39142	3258	9	Laplace	Laplace	NNP
39142	3258	10	an	an	DT
39142	3258	11	excessively	excessively	RB
39142	3258	12	high	high	JJ
39142	3258	13	temperature	temperature	NN
39142	3258	14	of	of	IN
39142	3258	15	the	the	DT
39142	3258	16	original	original	JJ
39142	3258	17	nebula	nebula	NN
39142	3258	18	.	.	.
39142	3259	1	The	the	DT
39142	3259	2	chief	chief	JJ
39142	3259	3	objection	objection	NN
39142	3259	4	to	to	IN
39142	3259	5	Laplace	Laplace	NNP
39142	3259	6	's	's	POS
39142	3259	7	hypothesis	hypothesis	NN
39142	3259	8	by	by	IN
39142	3259	9	modern	modern	JJ
39142	3259	10	theorists	theorist	NNS
39142	3259	11	is	be	VBZ
39142	3259	12	that	that	IN
39142	3259	13	the	the	DT
39142	3259	14	detachment	detachment	NN
39142	3259	15	of	of	IN
39142	3259	16	rings	ring	NNS
39142	3259	17	,	,	,
39142	3259	18	though	though	IN
39142	3259	19	possible	possible	JJ
39142	3259	20	,	,	,
39142	3259	21	would	would	MD
39142	3259	22	likely	likely	RB
39142	3259	23	be	be	VB
39142	3259	24	a	a	DT
39142	3259	25	rare	rare	JJ
39142	3259	26	occurrence	occurrence	NN
39142	3259	27	;	;	:
39142	3259	28	protuberances	protuberance	NNS
39142	3259	29	or	or	CC
39142	3259	30	lumps	lump	NNS
39142	3259	31	on	on	IN
39142	3259	32	the	the	DT
39142	3259	33	equatorial	equatorial	JJ
39142	3259	34	exterior	exterior	NN
39142	3259	35	of	of	IN
39142	3259	36	a	a	DT
39142	3259	37	swiftly	swiftly	RB
39142	3259	38	revolving	revolving	JJ
39142	3259	39	mass	mass	NN
39142	3259	40	would	would	MD
39142	3259	41	be	be	VB
39142	3259	42	more	more	RBR
39142	3259	43	likely	likely	JJ
39142	3259	44	,	,	,
39142	3259	45	and	and	CC
39142	3259	46	it	-PRON-	PRP
39142	3259	47	is	be	VBZ
39142	3259	48	much	much	RB
39142	3259	49	easier	easy	JJR
39142	3259	50	to	to	TO
39142	3259	51	see	see	VB
39142	3259	52	how	how	WRB
39142	3259	53	such	such	JJ
39142	3259	54	masses	masse	NNS
39142	3259	55	would	would	MD
39142	3259	56	ultimately	ultimately	RB
39142	3259	57	become	become	VB
39142	3259	58	planets	planet	NNS
39142	3259	59	than	than	IN
39142	3259	60	it	-PRON-	PRP
39142	3259	61	is	be	VBZ
39142	3259	62	to	to	TO
39142	3259	63	follow	follow	VB
39142	3259	64	the	the	DT
39142	3259	65	disruption	disruption	NN
39142	3259	66	of	of	IN
39142	3259	67	a	a	DT
39142	3259	68	possible	possible	JJ
39142	3259	69	ring	ring	NN
39142	3259	70	and	and	CC
39142	3259	71	the	the	DT
39142	3259	72	necessary	necessary	JJ
39142	3259	73	steps	step	NNS
39142	3259	74	of	of	IN
39142	3259	75	the	the	DT
39142	3259	76	process	process	NN
39142	3259	77	by	by	IN
39142	3259	78	which	which	WDT
39142	3259	79	it	-PRON-	PRP
39142	3259	80	would	would	MD
39142	3259	81	condense	condense	VB
39142	3259	82	into	into	IN
39142	3259	83	a	a	DT
39142	3259	84	final	final	JJ
39142	3259	85	planet	planet	NN
39142	3259	86	.	.	.
39142	3260	1	The	the	DT
39142	3260	2	continued	continue	VBN
39142	3260	3	progress	progress	NN
39142	3260	4	of	of	IN
39142	3260	5	research	research	NN
39142	3260	6	in	in	IN
39142	3260	7	many	many	JJ
39142	3260	8	departments	department	NNS
39142	3260	9	of	of	IN
39142	3260	10	astronomy	astronomy	NN
39142	3260	11	has	have	VBZ
39142	3260	12	had	have	VBN
39142	3260	13	important	important	JJ
39142	3260	14	bearing	bearing	NN
39142	3260	15	on	on	IN
39142	3260	16	the	the	DT
39142	3260	17	nebular	nebular	JJ
39142	3260	18	hypothesis	hypothesis	NN
39142	3260	19	,	,	,
39142	3260	20	and	and	CC
39142	3260	21	we	-PRON-	PRP
39142	3260	22	may	may	MD
39142	3260	23	rest	rest	VB
39142	3260	24	assured	assure	VBN
39142	3260	25	that	that	IN
39142	3260	26	this	this	DT
39142	3260	27	hypothesis	hypothesis	NN
39142	3260	28	in	in	IN
39142	3260	29	somewhat	somewhat	RB
39142	3260	30	modified	modify	VBN
39142	3260	31	form	form	NN
39142	3260	32	can	can	MD
39142	3260	33	hardly	hardly	RB
39142	3260	34	fail	fail	VB
39142	3260	35	of	of	IN
39142	3260	36	ultimate	ultimate	JJ
39142	3260	37	acceptance	acceptance	NN
39142	3260	38	,	,	,
39142	3260	39	though	though	IN
39142	3260	40	not	not	RB
39142	3260	41	in	in	IN
39142	3260	42	every	every	DT
39142	3260	43	essential	essential	JJ
39142	3260	44	as	as	IN
39142	3260	45	its	-PRON-	PRP$
39142	3260	46	great	great	JJ
39142	3260	47	originator	originator	NN
39142	3260	48	left	leave	VBD
39142	3260	49	it	-PRON-	PRP
39142	3260	50	.	.	.
39142	3261	1	Lord	Lord	NNP
39142	3261	2	Rosse	Rosse	NNP
39142	3261	3	's	's	POS
39142	3261	4	discovery	discovery	NN
39142	3261	5	of	of	IN
39142	3261	6	spiral	spiral	JJ
39142	3261	7	nebulæ	nebulæ	NN
39142	3261	8	,	,	,
39142	3261	9	followed	follow	VBD
39142	3261	10	up	up	RP
39142	3261	11	by	by	IN
39142	3261	12	Keeler	Keeler	NNP
39142	3261	13	's	's	POS
39142	3261	14	photographic	photographic	JJ
39142	3261	15	search	search	NN
39142	3261	16	for	for	IN
39142	3261	17	these	these	DT
39142	3261	18	bodies	body	NNS
39142	3261	19	,	,	,
39142	3261	20	revealing	reveal	VBG
39142	3261	21	their	-PRON-	PRP$
39142	3261	22	actual	actual	JJ
39142	3261	23	existence	existence	NN
39142	3261	24	in	in	IN
39142	3261	25	the	the	DT
39142	3261	26	heavens	heavens	NNPS
39142	3261	27	by	by	IN
39142	3261	28	the	the	DT
39142	3261	29	hundreds	hundred	NNS
39142	3261	30	of	of	IN
39142	3261	31	thousands	thousand	NNS
39142	3261	32	,	,	,
39142	3261	33	has	have	VBZ
39142	3261	34	led	lead	VBN
39142	3261	35	to	to	IN
39142	3261	36	another	another	DT
39142	3261	37	criticism	criticism	NN
39142	3261	38	of	of	IN
39142	3261	39	the	the	DT
39142	3261	40	Laplacian	laplacian	JJ
39142	3261	41	theory	theory	NN
39142	3261	42	.	.	.
39142	3262	1	Could	Could	MD
39142	3262	2	Laplace	Laplace	NNP
39142	3262	3	have	have	VB
39142	3262	4	known	know	VBN
39142	3262	5	of	of	IN
39142	3262	6	the	the	DT
39142	3262	7	existence	existence	NN
39142	3262	8	of	of	IN
39142	3262	9	these	these	DT
39142	3262	10	objects	object	NNS
39142	3262	11	in	in	IN
39142	3262	12	such	such	JJ
39142	3262	13	vast	vast	JJ
39142	3262	14	numbers	number	NNS
39142	3262	15	,	,	,
39142	3262	16	his	-PRON-	PRP$
39142	3262	17	hypothesis	hypothesis	NN
39142	3262	18	would	would	MD
39142	3262	19	no	no	RB
39142	3262	20	doubt	doubt	RB
39142	3262	21	have	have	VB
39142	3262	22	been	be	VBN
39142	3262	23	suitably	suitably	RB
39142	3262	24	modified	modify	VBN
39142	3262	25	to	to	TO
39142	3262	26	account	account	VB
39142	3262	27	for	for	IN
39142	3262	28	their	-PRON-	PRP$
39142	3262	29	formation	formation	NN
39142	3262	30	and	and	CC
39142	3262	31	development	development	NN
39142	3262	32	.	.	.
39142	3263	1	It	-PRON-	PRP
39142	3263	2	is	be	VBZ
39142	3263	3	generally	generally	RB
39142	3263	4	considered	consider	VBN
39142	3263	5	that	that	IN
39142	3263	6	the	the	DT
39142	3263	7	ring	ring	NN
39142	3263	8	of	of	IN
39142	3263	9	Saturn	Saturn	NNP
39142	3263	10	suggested	suggest	VBD
39142	3263	11	to	to	IN
39142	3263	12	Laplace	Laplace	NNP
39142	3263	13	the	the	DT
39142	3263	14	ring	ring	NN
39142	3263	15	feature	feature	NN
39142	3263	16	in	in	IN
39142	3263	17	his	-PRON-	PRP$
39142	3263	18	scheme	scheme	NN
39142	3263	19	of	of	IN
39142	3263	20	origin	origin	NN
39142	3263	21	of	of	IN
39142	3263	22	planets	planet	NNS
39142	3263	23	and	and	CC
39142	3263	24	satellites	satellite	NNS
39142	3263	25	;	;	:
39142	3263	26	so	so	RB
39142	3263	27	far	far	RB
39142	3263	28	as	as	IN
39142	3263	29	we	-PRON-	PRP
39142	3263	30	know	know	VBP
39142	3263	31	,	,	,
39142	3263	32	the	the	DT
39142	3263	33	Saturnian	saturnian	JJ
39142	3263	34	ring	ring	NN
39142	3263	35	is	be	VBZ
39142	3263	36	unique	unique	JJ
39142	3263	37	,	,	,
39142	3263	38	the	the	DT
39142	3263	39	only	only	JJ
39142	3263	40	object	object	NN
39142	3263	41	of	of	IN
39142	3263	42	its	-PRON-	PRP$
39142	3263	43	kind	kind	NN
39142	3263	44	in	in	IN
39142	3263	45	the	the	DT
39142	3263	46	heavens	heavens	NNPS
39142	3263	47	.	.	.
39142	3264	1	Whereas	whereas	IN
39142	3264	2	,	,	,
39142	3264	3	next	next	RB
39142	3264	4	to	to	IN
39142	3264	5	the	the	DT
39142	3264	6	star	star	NN
39142	3264	7	itself	-PRON-	PRP
39142	3264	8	,	,	,
39142	3264	9	the	the	DT
39142	3264	10	spiral	spiral	JJ
39142	3264	11	nebula	nebula	NN
39142	3264	12	is	be	VBZ
39142	3264	13	the	the	DT
39142	3264	14	type	type	NN
39142	3264	15	object	object	NN
39142	3264	16	which	which	WDT
39142	3264	17	occurs	occur	VBZ
39142	3264	18	most	most	RBS
39142	3264	19	frequently	frequently	RB
39142	3264	20	.	.	.
39142	3265	1	A	a	DT
39142	3265	2	theory	theory	NN
39142	3265	3	,	,	,
39142	3265	4	therefore	therefore	RB
39142	3265	5	,	,	,
39142	3265	6	which	which	WDT
39142	3265	7	will	will	MD
39142	3265	8	satisfactorily	satisfactorily	RB
39142	3265	9	account	account	VB
39142	3265	10	for	for	IN
39142	3265	11	the	the	DT
39142	3265	12	origin	origin	NN
39142	3265	13	and	and	CC
39142	3265	14	development	development	NN
39142	3265	15	of	of	IN
39142	3265	16	spiral	spiral	JJ
39142	3265	17	nebulæ	nebulæ	NN
39142	3265	18	must	must	MD
39142	3265	19	command	command	VB
39142	3265	20	recognition	recognition	NN
39142	3265	21	as	as	IN
39142	3265	22	of	of	IN
39142	3265	23	great	great	JJ
39142	3265	24	importance	importance	NN
39142	3265	25	in	in	IN
39142	3265	26	the	the	DT
39142	3265	27	cosmogony	cosmogony	NN
39142	3265	28	.	.	.
39142	3266	1	Such	such	PDT
39142	3266	2	a	a	DT
39142	3266	3	theory	theory	NN
39142	3266	4	has	have	VBZ
39142	3266	5	been	be	VBN
39142	3266	6	set	set	VBN
39142	3266	7	forth	forth	RP
39142	3266	8	by	by	IN
39142	3266	9	Chamberlin	Chamberlin	NNP
39142	3266	10	and	and	CC
39142	3266	11	Moulton	Moulton	NNP
39142	3266	12	in	in	IN
39142	3266	13	their	-PRON-	PRP$
39142	3266	14	planetesimal	planetesimal	NN
39142	3266	15	hypothesis	hypothesis	NN
39142	3266	16	,	,	,
39142	3266	17	according	accord	VBG
39142	3266	18	to	to	IN
39142	3266	19	which	which	WDT
39142	3266	20	the	the	DT
39142	3266	21	genesis	genesis	NN
39142	3266	22	of	of	IN
39142	3266	23	spiral	spiral	JJ
39142	3266	24	nebulæ	nebulæ	NN
39142	3266	25	happens	happen	VBZ
39142	3266	26	when	when	WRB
39142	3266	27	two	two	CD
39142	3266	28	giant	giant	JJ
39142	3266	29	suns	sun	NNS
39142	3266	30	approach	approach	VBP
39142	3266	31	each	each	DT
39142	3266	32	other	other	JJ
39142	3266	33	so	so	RB
39142	3266	34	closely	closely	RB
39142	3266	35	that	that	DT
39142	3266	36	tide	tide	NN
39142	3266	37	-	-	HYPH
39142	3266	38	producing	produce	VBG
39142	3266	39	effects	effect	NNS
39142	3266	40	take	take	VBP
39142	3266	41	place	place	NN
39142	3266	42	on	on	IN
39142	3266	43	a	a	DT
39142	3266	44	vast	vast	JJ
39142	3266	45	scale	scale	NN
39142	3266	46	.	.	.
39142	3267	1	These	these	DT
39142	3267	2	suns	sun	NNS
39142	3267	3	need	need	VBP
39142	3267	4	not	not	RB
39142	3267	5	be	be	VB
39142	3267	6	luminous	luminous	JJ
39142	3267	7	;	;	:
39142	3267	8	they	-PRON-	PRP
39142	3267	9	may	may	MD
39142	3267	10	perhaps	perhaps	RB
39142	3267	11	belong	belong	VB
39142	3267	12	to	to	IN
39142	3267	13	the	the	DT
39142	3267	14	class	class	NN
39142	3267	15	of	of	IN
39142	3267	16	dark	dark	JJ
39142	3267	17	or	or	CC
39142	3267	18	extinguished	extinguish	VBN
39142	3267	19	suns	sun	NNS
39142	3267	20	.	.	.
39142	3268	1	The	the	DT
39142	3268	2	evidences	evidence	NNS
39142	3268	3	of	of	IN
39142	3268	4	the	the	DT
39142	3268	5	existence	existence	NN
39142	3268	6	of	of	IN
39142	3268	7	such	such	JJ
39142	3268	8	in	in	IN
39142	3268	9	vast	vast	JJ
39142	3268	10	numbers	number	NNS
39142	3268	11	throughout	throughout	IN
39142	3268	12	the	the	DT
39142	3268	13	universe	universe	NN
39142	3268	14	is	be	VBZ
39142	3268	15	thought	think	VBN
39142	3268	16	to	to	TO
39142	3268	17	be	be	VB
39142	3268	18	well	well	RB
39142	3268	19	established	establish	VBN
39142	3268	20	.	.	.
39142	3269	1	Now	now	RB
39142	3269	2	,	,	,
39142	3269	3	on	on	IN
39142	3269	4	close	close	JJ
39142	3269	5	approach	approach	NN
39142	3269	6	,	,	,
39142	3269	7	what	what	WP
39142	3269	8	happens	happen	VBZ
39142	3269	9	?	?	.
39142	3270	1	There	there	EX
39142	3270	2	will	will	MD
39142	3270	3	be	be	VB
39142	3270	4	huge	huge	JJ
39142	3270	5	tides	tide	NNS
39142	3270	6	,	,	,
39142	3270	7	and	and	CC
39142	3270	8	the	the	DT
39142	3270	9	nearer	nearer	NN
39142	3270	10	the	the	DT
39142	3270	11	bodies	body	NNS
39142	3270	12	come	come	VBP
39142	3270	13	to	to	IN
39142	3270	14	each	each	DT
39142	3270	15	other	other	JJ
39142	3270	16	,	,	,
39142	3270	17	the	the	DT
39142	3270	18	vaster	vaster	NN
39142	3270	19	the	the	DT
39142	3270	20	scale	scale	NN
39142	3270	21	on	on	IN
39142	3270	22	which	which	WDT
39142	3270	23	tides	tide	NNS
39142	3270	24	will	will	MD
39142	3270	25	be	be	VB
39142	3270	26	formed	form	VBN
39142	3270	27	.	.	.
39142	3271	1	If	if	IN
39142	3271	2	the	the	DT
39142	3271	3	bodies	body	NNS
39142	3271	4	are	be	VBP
39142	3271	5	liquid	liquid	JJ
39142	3271	6	or	or	CC
39142	3271	7	gaseous	gaseous	JJ
39142	3271	8	,	,	,
39142	3271	9	they	-PRON-	PRP
39142	3271	10	will	will	MD
39142	3271	11	be	be	VB
39142	3271	12	distorted	distort	VBN
39142	3271	13	by	by	IN
39142	3271	14	the	the	DT
39142	3271	15	force	force	NN
39142	3271	16	of	of	IN
39142	3271	17	gravitation	gravitation	NN
39142	3271	18	,	,	,
39142	3271	19	and	and	CC
39142	3271	20	the	the	DT
39142	3271	21	figure	figure	NN
39142	3271	22	of	of	IN
39142	3271	23	both	both	DT
39142	3271	24	bodies	body	NNS
39142	3271	25	will	will	MD
39142	3271	26	become	become	VB
39142	3271	27	ellipsoidal	ellipsoidal	JJ
39142	3271	28	;	;	:
39142	3271	29	and	and	CC
39142	3271	30	at	at	IN
39142	3271	31	last	last	JJ
39142	3271	32	under	under	IN
39142	3271	33	greater	great	JJR
39142	3271	34	stress	stress	NN
39142	3271	35	,	,	,
39142	3271	36	the	the	DT
39142	3271	37	restraining	restrain	VBG
39142	3271	38	shell	shell	NN
39142	3271	39	of	of	IN
39142	3271	40	both	both	DT
39142	3271	41	bodies	body	NNS
39142	3271	42	will	will	MD
39142	3271	43	burst	burst	VB
39142	3271	44	asunder	asunder	RB
39142	3271	45	on	on	IN
39142	3271	46	opposite	opposite	JJ
39142	3271	47	sides	side	NNS
39142	3271	48	in	in	IN
39142	3271	49	streams	stream	NNS
39142	3271	50	of	of	IN
39142	3271	51	matter	matter	NN
39142	3271	52	from	from	IN
39142	3271	53	the	the	DT
39142	3271	54	interior	interior	NN
39142	3271	55	.	.	.
39142	3272	1	In	in	IN
39142	3272	2	this	this	DT
39142	3272	3	manner	manner	NN
39142	3272	4	the	the	DT
39142	3272	5	arms	arm	NNS
39142	3272	6	of	of	IN
39142	3272	7	the	the	DT
39142	3272	8	spiral	spiral	NN
39142	3272	9	are	be	VBP
39142	3272	10	formed	form	VBN
39142	3272	11	.	.	.
39142	3273	1	As	as	IN
39142	3273	2	Chamberlin	Chamberlin	NNP
39142	3273	3	puts	put	VBZ
39142	3273	4	it	-PRON-	PRP
39142	3273	5	:	:	:
39142	3273	6	"	"	``
39142	3273	7	If	if	IN
39142	3273	8	,	,	,
39142	3273	9	with	with	IN
39142	3273	10	these	these	DT
39142	3273	11	potent	potent	JJ
39142	3273	12	forces	force	NNS
39142	3273	13	thus	thus	RB
39142	3273	14	nearly	nearly	RB
39142	3273	15	balanced	balance	VBN
39142	3273	16	,	,	,
39142	3273	17	the	the	DT
39142	3273	18	sun	sun	NN
39142	3273	19	closely	closely	RB
39142	3273	20	approaches	approach	VBZ
39142	3273	21	another	another	DT
39142	3273	22	sun	sun	NN
39142	3273	23	,	,	,
39142	3273	24	or	or	CC
39142	3273	25	body	body	NN
39142	3273	26	of	of	IN
39142	3273	27	like	like	UH
39142	3273	28	magnitude	magnitude	NN
39142	3273	29	...	...	:
39142	3273	30	the	the	DT
39142	3273	31	gravity	gravity	NN
39142	3273	32	which	which	WDT
39142	3273	33	restrains	restrain	VBZ
39142	3273	34	this	this	DT
39142	3273	35	enormous	enormous	JJ
39142	3273	36	elastic	elastic	JJ
39142	3273	37	power	power	NN
39142	3273	38	will	will	MD
39142	3273	39	be	be	VB
39142	3273	40	reduced	reduce	VBN
39142	3273	41	along	along	IN
39142	3273	42	the	the	DT
39142	3273	43	line	line	NN
39142	3273	44	of	of	IN
39142	3273	45	mutual	mutual	JJ
39142	3273	46	attraction	attraction	NN
39142	3273	47	.	.	.
39142	3274	1	At	at	IN
39142	3274	2	the	the	DT
39142	3274	3	same	same	JJ
39142	3274	4	time	time	NN
39142	3274	5	the	the	DT
39142	3274	6	pressure	pressure	NN
39142	3274	7	transverse	transverse	JJ
39142	3274	8	to	to	IN
39142	3274	9	this	this	DT
39142	3274	10	line	line	NN
39142	3274	11	of	of	IN
39142	3274	12	relief	relief	NN
39142	3274	13	will	will	MD
39142	3274	14	be	be	VB
39142	3274	15	increased	increase	VBN
39142	3274	16	.	.	.
39142	3275	1	Such	such	JJ
39142	3275	2	localized	localized	JJ
39142	3275	3	relief	relief	NN
39142	3275	4	and	and	CC
39142	3275	5	intensified	intensify	VBN
39142	3275	6	pressure	pressure	NN
39142	3275	7	must	must	MD
39142	3275	8	bring	bring	VB
39142	3275	9	into	into	IN
39142	3275	10	action	action	NN
39142	3275	11	corresponding	correspond	VBG
39142	3275	12	portions	portion	NNS
39142	3275	13	of	of	IN
39142	3275	14	the	the	DT
39142	3275	15	sun	sun	NN
39142	3275	16	's	's	POS
39142	3275	17	elastic	elastic	JJ
39142	3275	18	potency	potency	NN
39142	3275	19	,	,	,
39142	3275	20	resulting	result	VBG
39142	3275	21	in	in	IN
39142	3275	22	protuberances	protuberance	NNS
39142	3275	23	of	of	IN
39142	3275	24	corresponding	correspond	VBG
39142	3275	25	mass	mass	NN
39142	3275	26	and	and	CC
39142	3275	27	high	high	JJ
39142	3275	28	velocity	velocity	NN
39142	3275	29	.	.	.
39142	3275	30	"	"	''
39142	3276	1	Only	only	RB
39142	3276	2	a	a	DT
39142	3276	3	fraction	fraction	NN
39142	3276	4	of	of	IN
39142	3276	5	one	one	CD
39142	3276	6	per	per	IN
39142	3276	7	cent	cent	NN
39142	3276	8	of	of	IN
39142	3276	9	the	the	DT
39142	3276	10	sun	sun	NN
39142	3276	11	's	's	POS
39142	3276	12	mass	mass	NN
39142	3276	13	ejected	eject	VBN
39142	3276	14	in	in	IN
39142	3276	15	this	this	DT
39142	3276	16	fashion	fashion	NN
39142	3276	17	would	would	MD
39142	3276	18	be	be	VB
39142	3276	19	sufficient	sufficient	JJ
39142	3276	20	to	to	TO
39142	3276	21	generate	generate	VB
39142	3276	22	the	the	DT
39142	3276	23	entire	entire	JJ
39142	3276	24	planetary	planetary	NN
39142	3276	25	system	system	NN
39142	3276	26	.	.	.
39142	3277	1	Nuclei	nucleus	NNS
39142	3277	2	or	or	CC
39142	3277	3	knots	knot	NNS
39142	3277	4	in	in	IN
39142	3277	5	the	the	DT
39142	3277	6	arms	arm	NNS
39142	3277	7	of	of	IN
39142	3277	8	the	the	DT
39142	3277	9	spiral	spiral	NN
39142	3277	10	gradually	gradually	RB
39142	3277	11	grew	grow	VBD
39142	3277	12	by	by	IN
39142	3277	13	accretion	accretion	NN
39142	3277	14	,	,	,
39142	3277	15	the	the	DT
39142	3277	16	four	four	CD
39142	3277	17	interior	interior	JJ
39142	3277	18	knots	knot	NNS
39142	3277	19	forming	form	VBG
39142	3277	20	Mercury	Mercury	NNP
39142	3277	21	,	,	,
39142	3277	22	Venus	Venus	NNP
39142	3277	23	,	,	,
39142	3277	24	the	the	DT
39142	3277	25	Earth	Earth	NNP
39142	3277	26	,	,	,
39142	3277	27	and	and	CC
39142	3277	28	Mars	Mars	NNP
39142	3277	29	.	.	.
39142	3278	1	The	the	DT
39142	3278	2	earth	earth	NN
39142	3278	3	knot	knot	NN
39142	3278	4	was	be	VBD
39142	3278	5	a	a	DT
39142	3278	6	double	double	JJ
39142	3278	7	one	one	NN
39142	3278	8	,	,	,
39142	3278	9	which	which	WDT
39142	3278	10	developed	develop	VBD
39142	3278	11	into	into	IN
39142	3278	12	the	the	DT
39142	3278	13	earth	earth	NN
39142	3278	14	-	-	HYPH
39142	3278	15	moon	moon	NN
39142	3278	16	system	system	NN
39142	3278	17	.	.	.
39142	3279	1	The	the	DT
39142	3279	2	absence	absence	NN
39142	3279	3	of	of	IN
39142	3279	4	a	a	DT
39142	3279	5	dominating	dominating	JJ
39142	3279	6	nucleus	nucleus	NN
39142	3279	7	beyond	beyond	IN
39142	3279	8	Mars	Mars	NNP
39142	3279	9	accounts	account	VBZ
39142	3279	10	for	for	IN
39142	3279	11	the	the	DT
39142	3279	12	zone	zone	NN
39142	3279	13	of	of	IN
39142	3279	14	the	the	DT
39142	3279	15	asteroids	asteroid	NNS
39142	3279	16	remaining	remain	VBG
39142	3279	17	in	in	IN
39142	3279	18	some	some	DT
39142	3279	19	sense	sense	NN
39142	3279	20	in	in	IN
39142	3279	21	the	the	DT
39142	3279	22	original	original	JJ
39142	3279	23	planetesimal	planetesimal	NN
39142	3279	24	condition	condition	NN
39142	3279	25	.	.	.
39142	3280	1	The	the	DT
39142	3280	2	vaster	vaster	NN
39142	3280	3	nuclei	nucleus	NNS
39142	3280	4	beyond	beyond	IN
39142	3280	5	Mars	Mars	NNP
39142	3280	6	gradually	gradually	RB
39142	3280	7	condensed	condense	VBN
39142	3280	8	into	into	IN
39142	3280	9	Jupiter	Jupiter	NNP
39142	3280	10	,	,	,
39142	3280	11	Saturn	Saturn	NNP
39142	3280	12	,	,	,
39142	3280	13	Uranus	Uranus	NNP
39142	3280	14	,	,	,
39142	3280	15	and	and	CC
39142	3280	16	Neptune	Neptune	NNP
39142	3280	17	;	;	:
39142	3280	18	and	and	CC
39142	3280	19	lesser	less	JJR
39142	3280	20	nuclei	nucleus	NNS
39142	3280	21	related	relate	VBN
39142	3280	22	to	to	IN
39142	3280	23	the	the	DT
39142	3280	24	larger	large	JJR
39142	3280	25	ones	one	NNS
39142	3280	26	form	form	VBP
39142	3280	27	the	the	DT
39142	3280	28	systems	system	NNS
39142	3280	29	of	of	IN
39142	3280	30	moons	moon	NNS
39142	3280	31	or	or	CC
39142	3280	32	satellites	satellite	NNS
39142	3280	33	.	.	.
39142	3281	1	The	the	DT
39142	3281	2	orbits	orbit	NNS
39142	3281	3	of	of	IN
39142	3281	4	the	the	DT
39142	3281	5	planetesimals	planetesimal	NNS
39142	3281	6	and	and	CC
39142	3281	7	the	the	DT
39142	3281	8	planetary	planetary	NN
39142	3281	9	and	and	CC
39142	3281	10	satellite	satellite	NN
39142	3281	11	nuclei	nucleus	NNS
39142	3281	12	would	would	MD
39142	3281	13	be	be	VB
39142	3281	14	very	very	RB
39142	3281	15	eccentric	eccentric	JJ
39142	3281	16	,	,	,
39142	3281	17	forming	form	VBG
39142	3281	18	a	a	DT
39142	3281	19	confusion	confusion	NN
39142	3281	20	of	of	IN
39142	3281	21	ellipses	ellipsis	NNS
39142	3281	22	with	with	IN
39142	3281	23	frequently	frequently	RB
39142	3281	24	crossing	cross	VBG
39142	3281	25	paths	path	NNS
39142	3281	26	.	.	.
39142	3282	1	Collisions	collision	NNS
39142	3282	2	would	would	MD
39142	3282	3	occur	occur	VB
39142	3282	4	,	,	,
39142	3282	5	and	and	CC
39142	3282	6	the	the	DT
39142	3282	7	nuclei	nucleus	NNS
39142	3282	8	would	would	MD
39142	3282	9	inevitably	inevitably	RB
39142	3282	10	grow	grow	VB
39142	3282	11	by	by	IN
39142	3282	12	accretion	accretion	NN
39142	3282	13	.	.	.
39142	3283	1	Each	each	DT
39142	3283	2	planet	planet	NN
39142	3283	3	,	,	,
39142	3283	4	then	then	RB
39142	3283	5	,	,	,
39142	3283	6	would	would	MD
39142	3283	7	clear	clear	VB
39142	3283	8	up	up	RP
39142	3283	9	the	the	DT
39142	3283	10	planetesimals	planetesimal	NNS
39142	3283	11	of	of	IN
39142	3283	12	its	-PRON-	PRP$
39142	3283	13	zone	zone	NN
39142	3283	14	;	;	:
39142	3283	15	and	and	CC
39142	3283	16	Moulton	Moulton	NNP
39142	3283	17	shows	show	VBZ
39142	3283	18	that	that	IN
39142	3283	19	this	this	DT
39142	3283	20	process	process	NN
39142	3283	21	would	would	MD
39142	3283	22	give	give	VB
39142	3283	23	rise	rise	NN
39142	3283	24	to	to	IN
39142	3283	25	axial	axial	JJ
39142	3283	26	revolution	revolution	NN
39142	3283	27	of	of	IN
39142	3283	28	the	the	DT
39142	3283	29	planet	planet	NN
39142	3283	30	in	in	IN
39142	3283	31	the	the	DT
39142	3283	32	same	same	JJ
39142	3283	33	direction	direction	NN
39142	3283	34	as	as	IN
39142	3283	35	its	-PRON-	PRP$
39142	3283	36	orbital	orbital	JJ
39142	3283	37	revolution	revolution	NN
39142	3283	38	.	.	.
39142	3284	1	The	the	DT
39142	3284	2	eccentricities	eccentricity	NNS
39142	3284	3	would	would	MD
39142	3284	4	finally	finally	RB
39142	3284	5	disappear	disappear	VB
39142	3284	6	,	,	,
39142	3284	7	and	and	CC
39142	3284	8	the	the	DT
39142	3284	9	entire	entire	JJ
39142	3284	10	mass	mass	NN
39142	3284	11	would	would	MD
39142	3284	12	revolve	revolve	VB
39142	3284	13	in	in	IN
39142	3284	14	a	a	DT
39142	3284	15	nearly	nearly	RB
39142	3284	16	circular	circular	JJ
39142	3284	17	orbit	orbit	NN
39142	3284	18	.	.	.
39142	3285	1	Rotation	rotation	NN
39142	3285	2	twists	twist	VBZ
39142	3285	3	the	the	DT
39142	3285	4	streams	stream	NNS
39142	3285	5	into	into	IN
39142	3285	6	the	the	DT
39142	3285	7	spiral	spiral	JJ
39142	3285	8	form	form	NN
39142	3285	9	,	,	,
39142	3285	10	and	and	CC
39142	3285	11	the	the	DT
39142	3285	12	huge	huge	JJ
39142	3285	13	amounts	amount	NNS
39142	3285	14	of	of	IN
39142	3285	15	wreckage	wreckage	NN
39142	3285	16	from	from	IN
39142	3285	17	the	the	DT
39142	3285	18	near	near	JJ
39142	3285	19	-	-	HYPH
39142	3285	20	collision	collision	NN
39142	3285	21	are	be	VBP
39142	3285	22	thrown	throw	VBN
39142	3285	23	into	into	IN
39142	3285	24	eddies	eddy	NNS
39142	3285	25	.	.	.
39142	3286	1	The	the	DT
39142	3286	2	fragments	fragment	NNS
39142	3286	3	or	or	CC
39142	3286	4	particles	particle	NNS
39142	3286	5	(	(	-LRB-
39142	3286	6	planetesimals	planetesimal	NNS
39142	3286	7	)	)	-RRB-
39142	3286	8	which	which	WDT
39142	3286	9	have	have	VBP
39142	3286	10	given	give	VBN
39142	3286	11	the	the	DT
39142	3286	12	name	name	NN
39142	3286	13	to	to	IN
39142	3286	14	the	the	DT
39142	3286	15	theory	theory	NN
39142	3286	16	,	,	,
39142	3286	17	begin	begin	VB
39142	3286	18	their	-PRON-	PRP$
39142	3286	19	motion	motion	NN
39142	3286	20	round	round	IN
39142	3286	21	their	-PRON-	PRP$
39142	3286	22	central	central	JJ
39142	3286	23	sun	sun	NN
39142	3286	24	in	in	IN
39142	3286	25	elliptical	elliptical	JJ
39142	3286	26	paths	path	NNS
39142	3286	27	as	as	IN
39142	3286	28	required	require	VBN
39142	3286	29	by	by	IN
39142	3286	30	gravitation	gravitation	NN
39142	3286	31	.	.	.
39142	3287	1	The	the	DT
39142	3287	2	form	form	NN
39142	3287	3	of	of	IN
39142	3287	4	the	the	DT
39142	3287	5	spiral	spiral	NN
39142	3287	6	is	be	VBZ
39142	3287	7	preserved	preserve	VBN
39142	3287	8	by	by	IN
39142	3287	9	the	the	DT
39142	3287	10	orbital	orbital	JJ
39142	3287	11	motion	motion	NN
39142	3287	12	of	of	IN
39142	3287	13	its	-PRON-	PRP$
39142	3287	14	particles	particle	NNS
39142	3287	15	.	.	.
39142	3288	1	There	there	EX
39142	3288	2	is	be	VBZ
39142	3288	3	a	a	DT
39142	3288	4	gradual	gradual	JJ
39142	3288	5	gathering	gathering	NN
39142	3288	6	together	together	RB
39142	3288	7	of	of	IN
39142	3288	8	the	the	DT
39142	3288	9	planetesimals	planetesimal	NNS
39142	3288	10	at	at	IN
39142	3288	11	points	point	NNS
39142	3288	12	or	or	CC
39142	3288	13	nodes	node	NNS
39142	3288	14	of	of	IN
39142	3288	15	intersection	intersection	NN
39142	3288	16	,	,	,
39142	3288	17	and	and	CC
39142	3288	18	these	these	DT
39142	3288	19	become	become	VBP
39142	3288	20	aggregations	aggregation	NNS
39142	3288	21	of	of	IN
39142	3288	22	matter	matter	NN
39142	3288	23	,	,	,
39142	3288	24	nuclei	nucleus	NNS
39142	3288	25	that	that	WDT
39142	3288	26	will	will	MD
39142	3288	27	perhaps	perhaps	RB
39142	3288	28	become	become	VB
39142	3288	29	planets	planet	NNS
39142	3288	30	,	,	,
39142	3288	31	though	though	IN
39142	3288	32	more	more	RBR
39142	3288	33	likely	likely	JJ
39142	3288	34	other	other	JJ
39142	3288	35	stars	star	NNS
39142	3288	36	.	.	.
39142	3289	1	The	the	DT
39142	3289	2	appulse	appulse	NN
39142	3289	3	or	or	CC
39142	3289	4	near	near	JJ
39142	3289	5	approach	approach	NN
39142	3289	6	is	be	VBZ
39142	3289	7	but	but	CC
39142	3289	8	one	one	CD
39142	3289	9	of	of	IN
39142	3289	10	the	the	DT
39142	3289	11	methods	method	NNS
39142	3289	12	by	by	IN
39142	3289	13	which	which	WDT
39142	3289	14	the	the	DT
39142	3289	15	spiral	spiral	JJ
39142	3289	16	nebulæ	nebulæ	NN
39142	3289	17	may	may	MD
39142	3289	18	have	have	VB
39142	3289	19	come	come	VBN
39142	3289	20	into	into	IN
39142	3289	21	existence	existence	NN
39142	3289	22	.	.	.
39142	3290	1	The	the	DT
39142	3290	2	planetesimal	planetesimal	NN
39142	3290	3	hypothesis	hypothesis	NN
39142	3290	4	would	would	MD
39142	3290	5	seem	seem	VB
39142	3290	6	to	to	TO
39142	3290	7	account	account	VB
39142	3290	8	for	for	IN
39142	3290	9	the	the	DT
39142	3290	10	formation	formation	NN
39142	3290	11	of	of	IN
39142	3290	12	many	many	JJ
39142	3290	13	of	of	IN
39142	3290	14	these	these	DT
39142	3290	15	objects	object	NNS
39142	3290	16	as	as	IN
39142	3290	17	we	-PRON-	PRP
39142	3290	18	see	see	VBP
39142	3290	19	them	-PRON-	PRP
39142	3290	20	in	in	IN
39142	3290	21	the	the	DT
39142	3290	22	sky	sky	NN
39142	3290	23	,	,	,
39142	3290	24	though	though	IN
39142	3290	25	perhaps	perhaps	RB
39142	3290	26	it	-PRON-	PRP
39142	3290	27	is	be	VBZ
39142	3290	28	hardly	hardly	RB
39142	3290	29	competent	competent	JJ
39142	3290	30	to	to	TO
39142	3290	31	replace	replace	VB
39142	3290	32	entirely	entirely	RB
39142	3290	33	the	the	DT
39142	3290	34	Laplacian	laplacian	JJ
39142	3290	35	hypothesis	hypothesis	NN
39142	3290	36	of	of	IN
39142	3290	37	the	the	DT
39142	3290	38	formation	formation	NN
39142	3290	39	of	of	IN
39142	3290	40	the	the	DT
39142	3290	41	solar	solar	JJ
39142	3290	42	system	system	NN
39142	3290	43	,	,	,
39142	3290	44	which	which	WDT
39142	3290	45	would	would	MD
39142	3290	46	appear	appear	VB
39142	3290	47	to	to	TO
39142	3290	48	be	be	VB
39142	3290	49	a	a	DT
39142	3290	50	special	special	JJ
39142	3290	51	case	case	NN
39142	3290	52	by	by	IN
39142	3290	53	itself	-PRON-	PRP
39142	3290	54	.	.	.
39142	3291	1	It	-PRON-	PRP
39142	3291	2	will	will	MD
39142	3291	3	be	be	VB
39142	3291	4	observed	observe	VBN
39142	3291	5	that	that	IN
39142	3291	6	while	while	IN
39142	3291	7	the	the	DT
39142	3291	8	Laplacian	laplacian	JJ
39142	3291	9	hypothesis	hypothesis	NN
39142	3291	10	is	be	VBZ
39142	3291	11	concerned	concern	VBN
39142	3291	12	in	in	IN
39142	3291	13	the	the	DT
39142	3291	14	main	main	JJ
39142	3291	15	with	with	IN
39142	3291	16	the	the	DT
39142	3291	17	progressive	progressive	JJ
39142	3291	18	development	development	NN
39142	3291	19	of	of	IN
39142	3291	20	the	the	DT
39142	3291	21	solar	solar	JJ
39142	3291	22	system	system	NN
39142	3291	23	,	,	,
39142	3291	24	and	and	CC
39142	3291	25	systems	system	NNS
39142	3291	26	of	of	IN
39142	3291	27	a	a	DT
39142	3291	28	like	like	JJ
39142	3291	29	order	order	NN
39142	3291	30	surrounding	surround	VBG
39142	3291	31	other	other	JJ
39142	3291	32	stellar	stellar	JJ
39142	3291	33	centers	center	NNS
39142	3291	34	,	,	,
39142	3291	35	whose	whose	WP$
39142	3291	36	existence	existence	NN
39142	3291	37	is	be	VBZ
39142	3291	38	highly	highly	RB
39142	3291	39	probable	probable	JJ
39142	3291	40	,	,	,
39142	3291	41	the	the	DT
39142	3291	42	origin	origin	NN
39142	3291	43	and	and	CC
39142	3291	44	development	development	NN
39142	3291	45	of	of	IN
39142	3291	46	the	the	DT
39142	3291	47	stellar	stellar	JJ
39142	3291	48	universe	universe	NN
39142	3291	49	is	be	VBZ
39142	3291	50	a	a	DT
39142	3291	51	vaster	vaster	NN
39142	3291	52	problem	problem	NN
39142	3291	53	which	which	WDT
39142	3291	54	can	can	MD
39142	3291	55	only	only	RB
39142	3291	56	be	be	VB
39142	3291	57	undertaken	undertake	VBN
39142	3291	58	and	and	CC
39142	3291	59	completed	complete	VBN
39142	3291	60	in	in	IN
39142	3291	61	its	-PRON-	PRP$
39142	3291	62	broadest	broad	JJS
39142	3291	63	bearings	bearing	NNS
39142	3291	64	when	when	WRB
39142	3291	65	the	the	DT
39142	3291	66	structure	structure	NN
39142	3291	67	of	of	IN
39142	3291	68	the	the	DT
39142	3291	69	stellar	stellar	JJ
39142	3291	70	universe	universe	NN
39142	3291	71	has	have	VBZ
39142	3291	72	been	be	VBN
39142	3291	73	ascertained	ascertain	VBN
39142	3291	74	.	.	.
39142	3292	1	Darwin	Darwin	NNP
39142	3292	2	's	's	POS
39142	3292	3	important	important	JJ
39142	3292	4	investigations	investigation	NNS
39142	3292	5	in	in	IN
39142	3292	6	1877	1877	CD
39142	3292	7	-	-	SYM
39142	3292	8	1878	1878	CD
39142	3292	9	on	on	IN
39142	3292	10	tidal	tidal	JJ
39142	3292	11	friction	friction	NN
39142	3292	12	may	may	MD
39142	3292	13	be	be	VB
39142	3292	14	here	here	RB
39142	3292	15	related	relate	VBN
39142	3292	16	.	.	.
39142	3293	1	Before	before	IN
39142	3293	2	his	-PRON-	PRP$
39142	3293	3	day	day	NN
39142	3293	4	acceptance	acceptance	NN
39142	3293	5	of	of	IN
39142	3293	6	the	the	DT
39142	3293	7	ring	ring	NN
39142	3293	8	-	-	HYPH
39142	3293	9	theory	theory	NN
39142	3293	10	of	of	IN
39142	3293	11	development	development	NN
39142	3293	12	of	of	IN
39142	3293	13	the	the	DT
39142	3293	14	moon	moon	NN
39142	3293	15	from	from	IN
39142	3293	16	the	the	DT
39142	3293	17	earth	earth	NN
39142	3293	18	had	have	VBD
39142	3293	19	scarcely	scarcely	RB
39142	3293	20	been	be	VBN
39142	3293	21	questioned	question	VBN
39142	3293	22	;	;	:
39142	3293	23	but	but	CC
39142	3293	24	his	-PRON-	PRP$
39142	3293	25	recondite	recondite	JJ
39142	3293	26	mathematical	mathematical	JJ
39142	3293	27	researches	research	NNS
39142	3293	28	on	on	IN
39142	3293	29	the	the	DT
39142	3293	30	tidal	tidal	JJ
39142	3293	31	reaction	reaction	NN
39142	3293	32	between	between	IN
39142	3293	33	a	a	DT
39142	3293	34	central	central	JJ
39142	3293	35	yielding	yield	VBG
39142	3293	36	mass	mass	NN
39142	3293	37	and	and	CC
39142	3293	38	a	a	DT
39142	3293	39	body	body	NN
39142	3293	40	revolving	revolve	VBG
39142	3293	41	round	round	IN
39142	3293	42	it	-PRON-	PRP
39142	3293	43	brought	bring	VBD
39142	3293	44	to	to	TO
39142	3293	45	light	light	VB
39142	3293	46	the	the	DT
39142	3293	47	unsuspected	unsuspected	JJ
39142	3293	48	effect	effect	NN
39142	3293	49	of	of	IN
39142	3293	50	tides	tide	NNS
39142	3293	51	raised	raise	VBN
39142	3293	52	upon	upon	IN
39142	3293	53	both	both	DT
39142	3293	54	bodies	body	NNS
39142	3293	55	by	by	IN
39142	3293	56	their	-PRON-	PRP$
39142	3293	57	mutual	mutual	JJ
39142	3293	58	attraction	attraction	NN
39142	3293	59	.	.	.
39142	3294	1	The	the	DT
39142	3294	2	type	type	NN
39142	3294	3	of	of	IN
39142	3294	4	tides	tide	NNS
39142	3294	5	here	here	RB
39142	3294	6	meant	mean	VBN
39142	3294	7	is	be	VBZ
39142	3294	8	not	not	RB
39142	3294	9	the	the	DT
39142	3294	10	usual	usual	JJ
39142	3294	11	rise	rise	NN
39142	3294	12	and	and	CC
39142	3294	13	fall	fall	NN
39142	3294	14	of	of	IN
39142	3294	15	the	the	DT
39142	3294	16	waters	water	NNS
39142	3294	17	of	of	IN
39142	3294	18	the	the	DT
39142	3294	19	ocean	ocean	NN
39142	3294	20	,	,	,
39142	3294	21	but	but	CC
39142	3294	22	primeval	primeval	NN
39142	3294	23	tides	tide	NNS
39142	3294	24	in	in	IN
39142	3294	25	the	the	DT
39142	3294	26	plastic	plastic	JJ
39142	3294	27	material	material	NN
39142	3294	28	of	of	IN
39142	3294	29	which	which	WDT
39142	3294	30	the	the	DT
39142	3294	31	earth	earth	NN
39142	3294	32	in	in	IN
39142	3294	33	its	-PRON-	PRP$
39142	3294	34	early	early	JJ
39142	3294	35	history	history	NN
39142	3294	36	was	be	VBD
39142	3294	37	composed	compose	VBN
39142	3294	38	.	.	.
39142	3295	1	The	the	DT
39142	3295	2	Newtonian	newtonian	JJ
39142	3295	3	law	law	NN
39142	3295	4	of	of	IN
39142	3295	5	gravitation	gravitation	NN
39142	3295	6	afforded	afford	VBD
39142	3295	7	a	a	DT
39142	3295	8	complete	complete	JJ
39142	3295	9	explanation	explanation	NN
39142	3295	10	of	of	IN
39142	3295	11	the	the	DT
39142	3295	12	rise	rise	NN
39142	3295	13	and	and	CC
39142	3295	14	fall	fall	NN
39142	3295	15	of	of	IN
39142	3295	16	the	the	DT
39142	3295	17	waters	water	NNS
39142	3295	18	of	of	IN
39142	3295	19	the	the	DT
39142	3295	20	oceans	ocean	NNS
39142	3295	21	,	,	,
39142	3295	22	but	but	CC
39142	3295	23	as	as	IN
39142	3295	24	applied	apply	VBN
39142	3295	25	to	to	IN
39142	3295	26	the	the	DT
39142	3295	27	motions	motion	NNS
39142	3295	28	of	of	IN
39142	3295	29	planets	planet	NNS
39142	3295	30	and	and	CC
39142	3295	31	satellites	satellite	NNS
39142	3295	32	by	by	IN
39142	3295	33	the	the	DT
39142	3295	34	Lagrangian	lagrangian	JJ
39142	3295	35	formulæ	formulæ	NN
39142	3295	36	,	,	,
39142	3295	37	it	-PRON-	PRP
39142	3295	38	presupposed	presuppose	VBD
39142	3295	39	that	that	IN
39142	3295	40	all	all	PDT
39142	3295	41	these	these	DT
39142	3295	42	bodies	body	NNS
39142	3295	43	are	be	VBP
39142	3295	44	rigid	rigid	JJ
39142	3295	45	and	and	CC
39142	3295	46	unyielding	unyielding	JJ
39142	3295	47	.	.	.
39142	3296	1	However	however	RB
39142	3296	2	,	,	,
39142	3296	3	mutual	mutual	JJ
39142	3296	4	tides	tide	NNS
39142	3296	5	of	of	IN
39142	3296	6	phenomenal	phenomenal	JJ
39142	3296	7	height	height	NN
39142	3296	8	in	in	IN
39142	3296	9	their	-PRON-	PRP$
39142	3296	10	early	early	JJ
39142	3296	11	plastic	plastic	JJ
39142	3296	12	substances	substance	NNS
39142	3296	13	must	must	MD
39142	3296	14	have	have	VB
39142	3296	15	been	be	VBN
39142	3296	16	a	a	DT
39142	3296	17	necessary	necessary	JJ
39142	3296	18	consequence	consequence	NN
39142	3296	19	of	of	IN
39142	3296	20	the	the	DT
39142	3296	21	action	action	NN
39142	3296	22	of	of	IN
39142	3296	23	the	the	DT
39142	3296	24	Newtonian	newtonian	JJ
39142	3296	25	law	law	NN
39142	3296	26	,	,	,
39142	3296	27	and	and	CC
39142	3296	28	they	-PRON-	PRP
39142	3296	29	gradually	gradually	RB
39142	3296	30	drew	draw	VBD
39142	3296	31	upon	upon	IN
39142	3296	32	the	the	DT
39142	3296	33	earth	earth	NN
39142	3296	34	's	's	POS
39142	3296	35	rotational	rotational	JJ
39142	3296	36	moment	moment	NN
39142	3296	37	of	of	IN
39142	3296	38	momentum	momentum	NN
39142	3296	39	.	.	.
39142	3297	1	In	in	IN
39142	3297	2	its	-PRON-	PRP$
39142	3297	3	very	very	RB
39142	3297	4	early	early	JJ
39142	3297	5	history	history	NN
39142	3297	6	,	,	,
39142	3297	7	before	before	IN
39142	3297	8	there	there	EX
39142	3297	9	was	be	VBD
39142	3297	10	any	any	DT
39142	3297	11	moon	moon	NN
39142	3297	12	to	to	TO
39142	3297	13	produce	produce	VB
39142	3297	14	tides	tide	NNS
39142	3297	15	,	,	,
39142	3297	16	the	the	DT
39142	3297	17	earth	earth	NN
39142	3297	18	rotated	rotate	VBD
39142	3297	19	much	much	RB
39142	3297	20	more	more	RBR
39142	3297	21	rapidly	rapidly	RB
39142	3297	22	,	,	,
39142	3297	23	that	that	RB
39142	3297	24	is	is	RB
39142	3297	25	,	,	,
39142	3297	26	the	the	DT
39142	3297	27	day	day	NN
39142	3297	28	was	be	VBD
39142	3297	29	very	very	RB
39142	3297	30	much	much	RB
39142	3297	31	shorter	short	JJR
39142	3297	32	than	than	IN
39142	3297	33	now	now	RB
39142	3297	34	,	,	,
39142	3297	35	probably	probably	RB
39142	3297	36	about	about	RB
39142	3297	37	five	five	CD
39142	3297	38	or	or	CC
39142	3297	39	six	six	CD
39142	3297	40	hours	hour	NNS
39142	3297	41	long	long	RB
39142	3297	42	.	.	.
39142	3298	1	And	and	CC
39142	3298	2	with	with	IN
39142	3298	3	the	the	DT
39142	3298	4	rapid	rapid	JJ
39142	3298	5	whirling	whirling	NN
39142	3298	6	,	,	,
39142	3298	7	it	-PRON-	PRP
39142	3298	8	was	be	VBD
39142	3298	9	not	not	RB
39142	3298	10	a	a	DT
39142	3298	11	Laplacian	laplacian	JJ
39142	3298	12	ring	ring	NN
39142	3298	13	that	that	WDT
39142	3298	14	was	be	VBD
39142	3298	15	detached	detach	VBN
39142	3298	16	,	,	,
39142	3298	17	but	but	CC
39142	3298	18	a	a	DT
39142	3298	19	huge	huge	JJ
39142	3298	20	globular	globular	JJ
39142	3298	21	mass	mass	NN
39142	3298	22	was	be	VBD
39142	3298	23	separated	separate	VBN
39142	3298	24	from	from	IN
39142	3298	25	the	the	DT
39142	3298	26	plastic	plastic	JJ
39142	3298	27	earth	earth	NN
39142	3298	28	's	's	POS
39142	3298	29	equator	equator	NN
39142	3298	30	.	.	.
39142	3299	1	Darwin	Darwin	NNP
39142	3299	2	shows	show	VBZ
39142	3299	3	that	that	IN
39142	3299	4	the	the	DT
39142	3299	5	gravitative	gravitative	JJ
39142	3299	6	interaction	interaction	NN
39142	3299	7	of	of	IN
39142	3299	8	the	the	DT
39142	3299	9	two	two	CD
39142	3299	10	bodies	body	NNS
39142	3299	11	immediately	immediately	RB
39142	3299	12	began	begin	VBD
39142	3299	13	to	to	TO
39142	3299	14	raise	raise	VB
39142	3299	15	tides	tide	NNS
39142	3299	16	of	of	IN
39142	3299	17	extraordinary	extraordinary	JJ
39142	3299	18	height	height	NN
39142	3299	19	in	in	IN
39142	3299	20	both	both	DT
39142	3299	21	,	,	,
39142	3299	22	therefore	therefore	RB
39142	3299	23	tending	tend	VBG
39142	3299	24	to	to	TO
39142	3299	25	slow	slow	VB
39142	3299	26	down	down	RP
39142	3299	27	the	the	DT
39142	3299	28	rotational	rotational	JJ
39142	3299	29	periods	period	NNS
39142	3299	30	of	of	IN
39142	3299	31	both	both	DT
39142	3299	32	bodies	body	NNS
39142	3299	33	.	.	.
39142	3300	1	Action	action	NN
39142	3300	2	and	and	CC
39142	3300	3	reaction	reaction	NN
39142	3300	4	being	be	VBG
39142	3300	5	equal	equal	JJ
39142	3300	6	,	,	,
39142	3300	7	the	the	DT
39142	3300	8	reaction	reaction	NN
39142	3300	9	at	at	IN
39142	3300	10	once	once	RB
39142	3300	11	began	begin	VBD
39142	3300	12	driving	drive	VBG
39142	3300	13	the	the	DT
39142	3300	14	moon	moon	NN
39142	3300	15	away	away	RB
39142	3300	16	from	from	IN
39142	3300	17	the	the	DT
39142	3300	18	earth	earth	NN
39142	3300	19	and	and	CC
39142	3300	20	thereby	thereby	RB
39142	3300	21	lengthening	lengthen	VBG
39142	3300	22	its	-PRON-	PRP$
39142	3300	23	period	period	NN
39142	3300	24	of	of	IN
39142	3300	25	revolution	revolution	NN
39142	3300	26	.	.	.
39142	3301	1	So	so	RB
39142	3301	2	small	small	JJ
39142	3301	3	was	be	VBD
39142	3301	4	the	the	DT
39142	3301	5	mass	mass	NN
39142	3301	6	of	of	IN
39142	3301	7	the	the	DT
39142	3301	8	moon	moon	NN
39142	3301	9	and	and	CC
39142	3301	10	so	so	RB
39142	3301	11	near	near	RB
39142	3301	12	was	be	VBD
39142	3301	13	it	-PRON-	PRP
39142	3301	14	to	to	IN
39142	3301	15	the	the	DT
39142	3301	16	earth	earth	NN
39142	3301	17	,	,	,
39142	3301	18	that	that	IN
39142	3301	19	its	-PRON-	PRP$
39142	3301	20	relative	relative	JJ
39142	3301	21	rotational	rotational	JJ
39142	3301	22	energy	energy	NN
39142	3301	23	was	be	VBD
39142	3301	24	in	in	IN
39142	3301	25	time	time	NN
39142	3301	26	completely	completely	RB
39142	3301	27	used	use	VBN
39142	3301	28	up	up	RP
39142	3301	29	,	,	,
39142	3301	30	and	and	CC
39142	3301	31	the	the	DT
39142	3301	32	moon	moon	NN
39142	3301	33	has	have	VBZ
39142	3301	34	ever	ever	RB
39142	3301	35	since	since	IN
39142	3301	36	turned	turn	VBN
39142	3301	37	her	-PRON-	PRP$
39142	3301	38	constant	constant	JJ
39142	3301	39	face	face	NN
39142	3301	40	toward	toward	IN
39142	3301	41	us	-PRON-	PRP
39142	3301	42	.	.	.
39142	3302	1	Tides	tide	NNS
39142	3302	2	of	of	IN
39142	3302	3	sun	sun	NN
39142	3302	4	and	and	CC
39142	3302	5	moon	moon	NN
39142	3302	6	in	in	IN
39142	3302	7	the	the	DT
39142	3302	8	plastic	plastic	JJ
39142	3302	9	earth	earth	NN
39142	3302	10	,	,	,
39142	3302	11	acting	act	VBG
39142	3302	12	through	through	IN
39142	3302	13	the	the	DT
39142	3302	14	ages	age	NNS
39142	3302	15	,	,	,
39142	3302	16	slowed	slow	VBD
39142	3302	17	down	down	RP
39142	3302	18	the	the	DT
39142	3302	19	earth	earth	NN
39142	3302	20	's	's	POS
39142	3302	21	rotation	rotation	NN
39142	3302	22	to	to	IN
39142	3302	23	its	-PRON-	PRP$
39142	3302	24	present	present	JJ
39142	3302	25	period	period	NN
39142	3302	26	,	,	,
39142	3302	27	or	or	CC
39142	3302	28	the	the	DT
39142	3302	29	length	length	NN
39142	3302	30	of	of	IN
39142	3302	31	the	the	DT
39142	3302	32	day	day	NN
39142	3302	33	.	.	.
39142	3303	1	Moulton	Moulton	NNP
39142	3303	2	,	,	,
39142	3303	3	however	however	RB
39142	3303	4	,	,	,
39142	3303	5	has	have	VBZ
39142	3303	6	investigated	investigate	VBN
39142	3303	7	the	the	DT
39142	3303	8	tidal	tidal	JJ
39142	3303	9	theory	theory	NN
39142	3303	10	of	of	IN
39142	3303	11	the	the	DT
39142	3303	12	origin	origin	NN
39142	3303	13	of	of	IN
39142	3303	14	the	the	DT
39142	3303	15	moon	moon	NN
39142	3303	16	in	in	IN
39142	3303	17	the	the	DT
39142	3303	18	light	light	NN
39142	3303	19	of	of	IN
39142	3303	20	the	the	DT
39142	3303	21	planetesimal	planetesimal	NN
39142	3303	22	hypothesis	hypothesis	NN
39142	3303	23	,	,	,
39142	3303	24	concluding	conclude	VBG
39142	3303	25	that	that	IN
39142	3303	26	the	the	DT
39142	3303	27	moon	moon	NN
39142	3303	28	never	never	RB
39142	3303	29	was	be	VBD
39142	3303	30	part	part	NN
39142	3303	31	of	of	IN
39142	3303	32	the	the	DT
39142	3303	33	earth	earth	NN
39142	3303	34	and	and	CC
39142	3303	35	separated	separate	VBD
39142	3303	36	therefrom	therefrom	NN
39142	3303	37	by	by	IN
39142	3303	38	too	too	RB
39142	3303	39	rapid	rapid	JJ
39142	3303	40	rotation	rotation	NN
39142	3303	41	of	of	IN
39142	3303	42	the	the	DT
39142	3303	43	earth	earth	NN
39142	3303	44	,	,	,
39142	3303	45	but	but	CC
39142	3303	46	that	that	IN
39142	3303	47	the	the	DT
39142	3303	48	distance	distance	NN
39142	3303	49	of	of	IN
39142	3303	50	the	the	DT
39142	3303	51	two	two	CD
39142	3303	52	bodies	body	NNS
39142	3303	53	has	have	VBZ
39142	3303	54	always	always	RB
39142	3303	55	been	be	VBN
39142	3303	56	the	the	DT
39142	3303	57	same	same	JJ
39142	3303	58	as	as	IN
39142	3303	59	now	now	RB
39142	3303	60	.	.	.
39142	3304	1	The	the	DT
39142	3304	2	more	more	RBR
39142	3304	3	massive	massive	JJ
39142	3304	4	earth	earth	NN
39142	3304	5	has	have	VBZ
39142	3304	6	in	in	IN
39142	3304	7	its	-PRON-	PRP$
39142	3304	8	development	development	NN
39142	3304	9	throughout	throughout	IN
39142	3304	10	time	time	NN
39142	3304	11	robbed	rob	VBD
39142	3304	12	the	the	DT
39142	3304	13	less	less	RBR
39142	3304	14	massive	massive	JJ
39142	3304	15	moon	moon	NN
39142	3304	16	in	in	IN
39142	3304	17	the	the	DT
39142	3304	18	gradual	gradual	JJ
39142	3304	19	process	process	NN
39142	3304	20	of	of	IN
39142	3304	21	accretion	accretion	NN
39142	3304	22	.	.	.
39142	3305	1	So	so	RB
39142	3305	2	the	the	DT
39142	3305	3	moon	moon	NN
39142	3305	4	has	have	VBZ
39142	3305	5	never	never	RB
39142	3305	6	acquired	acquire	VBN
39142	3305	7	either	either	CC
39142	3305	8	an	an	DT
39142	3305	9	ocean	ocean	NN
39142	3305	10	or	or	CC
39142	3305	11	atmosphere	atmosphere	NN
39142	3305	12	,	,	,
39142	3305	13	and	and	CC
39142	3305	14	this	this	DT
39142	3305	15	view	view	NN
39142	3305	16	is	be	VBZ
39142	3305	17	acceptable	acceptable	JJ
39142	3305	18	to	to	IN
39142	3305	19	geologists	geologist	NNS
39142	3305	20	who	who	WP
39142	3305	21	have	have	VBP
39142	3305	22	studied	study	VBN
39142	3305	23	the	the	DT
39142	3305	24	sheer	sheer	JJ
39142	3305	25	lunar	lunar	JJ
39142	3305	26	surface	surface	NN
39142	3305	27	,	,	,
39142	3305	28	Shaler	Shaler	NNP
39142	3305	29	of	of	IN
39142	3305	30	Harvard	Harvard	NNP
39142	3305	31	among	among	IN
39142	3305	32	the	the	DT
39142	3305	33	first	first	JJ
39142	3305	34	,	,	,
39142	3305	35	and	and	CC
39142	3305	36	laid	lay	VBD
39142	3305	37	the	the	DT
39142	3305	38	foundations	foundation	NNS
39142	3305	39	for	for	IN
39142	3305	40	a	a	DT
39142	3305	41	separate	separate	JJ
39142	3305	42	science	science	NN
39142	3305	43	of	of	IN
39142	3305	44	selenology	selenology	NN
39142	3305	45	.	.	.
39142	3306	1	Tidal	tidal	JJ
39142	3306	2	friction	friction	NN
39142	3306	3	has	have	VBZ
39142	3306	4	also	also	RB
39142	3306	5	been	be	VBN
39142	3306	6	operant	operant	JJ
39142	3306	7	in	in	IN
39142	3306	8	producing	produce	VBG
39142	3306	9	sun	sun	NN
39142	3306	10	-	-	HYPH
39142	3306	11	raised	raise	VBN
39142	3306	12	tides	tide	NNS
39142	3306	13	upon	upon	IN
39142	3306	14	the	the	DT
39142	3306	15	early	early	JJ
39142	3306	16	plastic	plastic	JJ
39142	3306	17	substances	substance	NNS
39142	3306	18	which	which	WDT
39142	3306	19	composed	compose	VBD
39142	3306	20	the	the	DT
39142	3306	21	planets	planet	NNS
39142	3306	22	:	:	:
39142	3306	23	more	more	RBR
39142	3306	24	powerfully	powerfully	RB
39142	3306	25	in	in	IN
39142	3306	26	the	the	DT
39142	3306	27	case	case	NN
39142	3306	28	of	of	IN
39142	3306	29	planets	planet	NNS
39142	3306	30	nearer	nearer	IN
39142	3306	31	the	the	DT
39142	3306	32	sun	sun	NN
39142	3306	33	;	;	:
39142	3306	34	less	less	RBR
39142	3306	35	rapidly	rapidly	RB
39142	3306	36	if	if	IN
39142	3306	37	the	the	DT
39142	3306	38	planet	planet	NN
39142	3306	39	's	's	POS
39142	3306	40	mass	mass	NN
39142	3306	41	is	be	VBZ
39142	3306	42	large	large	JJ
39142	3306	43	;	;	:
39142	3306	44	also	also	RB
39142	3306	45	less	less	RBR
39142	3306	46	completely	completely	RB
39142	3306	47	if	if	IN
39142	3306	48	the	the	DT
39142	3306	49	planet	planet	NN
39142	3306	50	has	have	VBZ
39142	3306	51	solidified	solidify	VBN
39142	3306	52	earlier	early	RBR
39142	3306	53	on	on	IN
39142	3306	54	account	account	NN
39142	3306	55	of	of	IN
39142	3306	56	its	-PRON-	PRP$
39142	3306	57	small	small	JJ
39142	3306	58	dimensions	dimension	NNS
39142	3306	59	.	.	.
39142	3307	1	So	so	RB
39142	3307	2	Darwin	Darwin	NNP
39142	3307	3	would	would	MD
39142	3307	4	account	account	VB
39142	3307	5	for	for	IN
39142	3307	6	the	the	DT
39142	3307	7	present	present	JJ
39142	3307	8	rotation	rotation	NN
39142	3307	9	periods	period	NNS
39142	3307	10	of	of	IN
39142	3307	11	all	all	PDT
39142	3307	12	the	the	DT
39142	3307	13	planets	planet	NNS
39142	3307	14	:	:	:
39142	3307	15	both	both	CC
39142	3307	16	Mercury	Mercury	NNP
39142	3307	17	and	and	CC
39142	3307	18	Venus	Venus	NNP
39142	3307	19	powerfully	powerfully	RB
39142	3307	20	acted	act	VBD
39142	3307	21	on	on	IN
39142	3307	22	by	by	IN
39142	3307	23	the	the	DT
39142	3307	24	sun	sun	NN
39142	3307	25	on	on	IN
39142	3307	26	account	account	NN
39142	3307	27	of	of	IN
39142	3307	28	their	-PRON-	PRP$
39142	3307	29	nearness	nearness	NN
39142	3307	30	to	to	IN
39142	3307	31	him	-PRON-	PRP
39142	3307	32	,	,	,
39142	3307	33	and	and	CC
39142	3307	34	their	-PRON-	PRP$
39142	3307	35	rotational	rotational	JJ
39142	3307	36	energy	energy	NN
39142	3307	37	completely	completely	RB
39142	3307	38	exhausted	exhaust	VBN
39142	3307	39	,	,	,
39142	3307	40	so	so	IN
39142	3307	41	that	that	IN
39142	3307	42	they	-PRON-	PRP
39142	3307	43	now	now	RB
39142	3307	44	and	and	CC
39142	3307	45	for	for	IN
39142	3307	46	all	all	DT
39142	3307	47	time	time	NN
39142	3307	48	turn	turn	VB
39142	3307	49	a	a	DT
39142	3307	50	constant	constant	JJ
39142	3307	51	face	face	NN
39142	3307	52	toward	toward	IN
39142	3307	53	him	-PRON-	PRP
39142	3307	54	,	,	,
39142	3307	55	as	as	IN
39142	3307	56	the	the	DT
39142	3307	57	moon	moon	NN
39142	3307	58	does	do	VBZ
39142	3307	59	to	to	IN
39142	3307	60	the	the	DT
39142	3307	61	earth	earth	NN
39142	3307	62	;	;	:
39142	3307	63	earth	earth	NN
39142	3307	64	and	and	CC
39142	3307	65	possibly	possibly	RB
39142	3307	66	Mars	Mars	NNP
39142	3307	67	even	even	RB
39142	3307	68	yet	yet	RB
39142	3307	69	undergoing	undergo	VBG
39142	3307	70	a	a	DT
39142	3307	71	very	very	RB
39142	3307	72	slight	slight	JJ
39142	3307	73	lengthening	lengthening	NN
39142	3307	74	of	of	IN
39142	3307	75	their	-PRON-	PRP$
39142	3307	76	day	day	NN
39142	3307	77	;	;	:
39142	3307	78	Jupiter	Jupiter	NNP
39142	3307	79	and	and	CC
39142	3307	80	Saturn	Saturn	NNP
39142	3307	81	,	,	,
39142	3307	82	also	also	RB
39142	3307	83	Uranus	uranus	NN
39142	3307	84	and	and	CC
39142	3307	85	probably	probably	RB
39142	3307	86	Neptune	Neptune	NNP
39142	3307	87	,	,	,
39142	3307	88	still	still	RB
39142	3307	89	exhibiting	exhibit	VBG
39142	3307	90	relatively	relatively	RB
39142	3307	91	swift	swift	JJ
39142	3307	92	axial	axial	JJ
39142	3307	93	rotation	rotation	NN
39142	3307	94	,	,	,
39142	3307	95	because	because	IN
39142	3307	96	of	of	IN
39142	3307	97	their	-PRON-	PRP$
39142	3307	98	great	great	JJ
39142	3307	99	mass	mass	NN
39142	3307	100	and	and	CC
39142	3307	101	great	great	JJ
39142	3307	102	original	original	JJ
39142	3307	103	moment	moment	NN
39142	3307	104	of	of	IN
39142	3307	105	momentum	momentum	NN
39142	3307	106	,	,	,
39142	3307	107	and	and	CC
39142	3307	108	also	also	RB
39142	3307	109	by	by	IN
39142	3307	110	reason	reason	NN
39142	3307	111	of	of	IN
39142	3307	112	their	-PRON-	PRP$
39142	3307	113	vast	vast	JJ
39142	3307	114	distances	distance	NNS
39142	3307	115	from	from	IN
39142	3307	116	the	the	DT
39142	3307	117	central	central	JJ
39142	3307	118	tide	tide	NN
39142	3307	119	-	-	HYPH
39142	3307	120	raising	raise	VBG
39142	3307	121	body	body	NN
39142	3307	122	,	,	,
39142	3307	123	the	the	DT
39142	3307	124	sun	sun	NN
39142	3307	125	.	.	.
39142	3308	1	By	by	IN
39142	3308	2	applying	apply	VBG
39142	3308	3	to	to	IN
39142	3308	4	stellar	stellar	JJ
39142	3308	5	systems	system	NNS
39142	3308	6	the	the	DT
39142	3308	7	principles	principle	NNS
39142	3308	8	developed	develop	VBN
39142	3308	9	by	by	IN
39142	3308	10	Darwin	Darwin	NNP
39142	3308	11	,	,	,
39142	3308	12	See	See	NNP
39142	3308	13	accounted	account	VBD
39142	3308	14	for	for	IN
39142	3308	15	the	the	DT
39142	3308	16	fact	fact	NN
39142	3308	17	,	,	,
39142	3308	18	to	to	TO
39142	3308	19	which	which	WDT
39142	3308	20	he	-PRON-	PRP
39142	3308	21	was	be	VBD
39142	3308	22	the	the	DT
39142	3308	23	first	first	JJ
39142	3308	24	to	to	TO
39142	3308	25	direct	direct	VB
39142	3308	26	attention	attention	NN
39142	3308	27	,	,	,
39142	3308	28	that	that	IN
39142	3308	29	the	the	DT
39142	3308	30	great	great	JJ
39142	3308	31	eccentricity	eccentricity	NN
39142	3308	32	of	of	IN
39142	3308	33	the	the	DT
39142	3308	34	binary	binary	JJ
39142	3308	35	orbits	orbit	NNS
39142	3308	36	is	be	VBZ
39142	3308	37	a	a	DT
39142	3308	38	necessary	necessary	JJ
39142	3308	39	result	result	NN
39142	3308	40	of	of	IN
39142	3308	41	the	the	DT
39142	3308	42	secular	secular	JJ
39142	3308	43	action	action	NN
39142	3308	44	of	of	IN
39142	3308	45	tidal	tidal	JJ
39142	3308	46	friction	friction	NN
39142	3308	47	.	.	.
39142	3309	1	The	the	DT
39142	3309	2	double	double	JJ
39142	3309	3	stars	star	NNS
39142	3309	4	,	,	,
39142	3309	5	then	then	RB
39142	3309	6	,	,	,
39142	3309	7	were	be	VBD
39142	3309	8	double	double	JJ
39142	3309	9	nebulæ	nebulæ	NN
39142	3309	10	,	,	,
39142	3309	11	originally	originally	RB
39142	3309	12	single	single	JJ
39142	3309	13	,	,	,
39142	3309	14	but	but	CC
39142	3309	15	separated	separate	VBN
39142	3309	16	by	by	IN
39142	3309	17	a	a	DT
39142	3309	18	process	process	NN
39142	3309	19	allied	ally	VBN
39142	3309	20	to	to	IN
39142	3309	21	that	that	DT
39142	3309	22	known	know	VBN
39142	3309	23	as	as	IN
39142	3309	24	"	"	``
39142	3309	25	fission	fission	NN
39142	3309	26	"	"	''
39142	3309	27	in	in	IN
39142	3309	28	protozoans	protozoan	NNS
39142	3309	29	.	.	.
39142	3310	1	Indeed	indeed	RB
39142	3310	2	,	,	,
39142	3310	3	Poincaré	Poincaré	NNP
39142	3310	4	proved	prove	VBD
39142	3310	5	mathematically	mathematically	RB
39142	3310	6	that	that	IN
39142	3310	7	a	a	DT
39142	3310	8	swiftly	swiftly	RB
39142	3310	9	revolving	revolving	JJ
39142	3310	10	nebula	nebula	NN
39142	3310	11	,	,	,
39142	3310	12	in	in	IN
39142	3310	13	consequence	consequence	NN
39142	3310	14	of	of	IN
39142	3310	15	contraction	contraction	NN
39142	3310	16	,	,	,
39142	3310	17	first	first	JJ
39142	3310	18	undergoes	undergo	VBZ
39142	3310	19	distortion	distortion	NN
39142	3310	20	into	into	IN
39142	3310	21	a	a	DT
39142	3310	22	pear	pear	NN
39142	3310	23	-	-	HYPH
39142	3310	24	shaped	shape	VBN
39142	3310	25	or	or	CC
39142	3310	26	hour	hour	NN
39142	3310	27	-	-	HYPH
39142	3310	28	glass	glass	NN
39142	3310	29	figure	figure	NN
39142	3310	30	,	,	,
39142	3310	31	the	the	DT
39142	3310	32	two	two	CD
39142	3310	33	masses	masse	NNS
39142	3310	34	ultimately	ultimately	RB
39142	3310	35	separating	separate	VBG
39142	3310	36	entirely	entirely	RB
39142	3310	37	;	;	:
39142	3310	38	and	and	CC
39142	3310	39	the	the	DT
39142	3310	40	observations	observation	NNS
39142	3310	41	of	of	IN
39142	3310	42	the	the	DT
39142	3310	43	Herschels	Herschels	NNPS
39142	3310	44	,	,	,
39142	3310	45	Lord	Lord	NNP
39142	3310	46	Rosse	Rosse	NNP
39142	3310	47	and	and	CC
39142	3310	48	others	other	NNS
39142	3310	49	,	,	,
39142	3310	50	with	with	IN
39142	3310	51	the	the	DT
39142	3310	52	recent	recent	JJ
39142	3310	53	photographic	photographic	JJ
39142	3310	54	plates	plate	NNS
39142	3310	55	at	at	IN
39142	3310	56	the	the	DT
39142	3310	57	Lick	Lick	NNP
39142	3310	58	and	and	CC
39142	3310	59	Mount	Mount	NNP
39142	3310	60	Wilson	Wilson	NNP
39142	3310	61	observatories	observatory	NNS
39142	3310	62	,	,	,
39142	3310	63	afford	afford	VB
39142	3310	64	immediate	immediate	JJ
39142	3310	65	confirmation	confirmation	NN
39142	3310	66	in	in	IN
39142	3310	67	a	a	DT
39142	3310	68	multitude	multitude	NN
39142	3310	69	of	of	IN
39142	3310	70	double	double	JJ
39142	3310	71	nebulæ	nebulæ	NN
39142	3310	72	,	,	,
39142	3310	73	widely	widely	RB
39142	3310	74	scattered	scatter	VBN
39142	3310	75	throughout	throughout	IN
39142	3310	76	the	the	DT
39142	3310	77	nebular	nebular	JJ
39142	3310	78	regions	region	NNS
39142	3310	79	of	of	IN
39142	3310	80	the	the	DT
39142	3310	81	heavens	heavens	NNPS
39142	3310	82	.	.	.
39142	3311	1	Jeans	Jeans	NNPS
39142	3311	2	of	of	IN
39142	3311	3	Cambridge	Cambridge	NNP
39142	3311	4	,	,	,
39142	3311	5	England	England	NNP
39142	3311	6	,	,	,
39142	3311	7	among	among	IN
39142	3311	8	the	the	DT
39142	3311	9	most	most	RBS
39142	3311	10	recent	recent	JJ
39142	3311	11	of	of	IN
39142	3311	12	mathematical	mathematical	JJ
39142	3311	13	investigators	investigator	NNS
39142	3311	14	of	of	IN
39142	3311	15	the	the	DT
39142	3311	16	cosmogony	cosmogony	NN
39142	3311	17	,	,	,
39142	3311	18	balances	balance	VBZ
39142	3311	19	the	the	DT
39142	3311	20	advantages	advantage	NNS
39142	3311	21	and	and	CC
39142	3311	22	disadvantages	disadvantage	NNS
39142	3311	23	of	of	IN
39142	3311	24	the	the	DT
39142	3311	25	differing	differ	VBG
39142	3311	26	cosmogonic	cosmogonic	JJ
39142	3311	27	systems	system	NNS
39142	3311	28	as	as	IN
39142	3311	29	follows	follow	VBZ
39142	3311	30	,	,	,
39142	3311	31	in	in	IN
39142	3311	32	his	-PRON-	PRP$
39142	3311	33	"	"	``
39142	3311	34	Problems	problem	NNS
39142	3311	35	of	of	IN
39142	3311	36	Cosmogony	Cosmogony	NNP
39142	3311	37	and	and	CC
39142	3311	38	Stellar	Stellar	NNP
39142	3311	39	Dynamics	Dynamics	NNPS
39142	3311	40	"	"	''
39142	3311	41	:	:	:
39142	3311	42	"	"	``
39142	3311	43	Some	some	DT
39142	3311	44	hundreds	hundred	NNS
39142	3311	45	of	of	IN
39142	3311	46	millions	million	NNS
39142	3311	47	of	of	IN
39142	3311	48	years	year	NNS
39142	3311	49	ago	ago	RB
39142	3311	50	all	all	PDT
39142	3311	51	the	the	DT
39142	3311	52	stars	star	NNS
39142	3311	53	within	within	IN
39142	3311	54	our	-PRON-	PRP$
39142	3311	55	Galactic	galactic	JJ
39142	3311	56	universe	universe	NN
39142	3311	57	formed	form	VBD
39142	3311	58	a	a	DT
39142	3311	59	single	single	JJ
39142	3311	60	mass	mass	NN
39142	3311	61	of	of	IN
39142	3311	62	excessively	excessively	RB
39142	3311	63	tenuous	tenuous	JJ
39142	3311	64	gas	gas	NN
39142	3311	65	in	in	IN
39142	3311	66	slow	slow	JJ
39142	3311	67	rotation	rotation	NN
39142	3311	68	.	.	.
39142	3312	1	As	as	IN
39142	3312	2	imagined	imagine	VBN
39142	3312	3	by	by	IN
39142	3312	4	Laplace	Laplace	NNP
39142	3312	5	,	,	,
39142	3312	6	this	this	DT
39142	3312	7	mass	mass	NN
39142	3312	8	contracted	contract	VBD
39142	3312	9	owing	owing	NN
39142	3312	10	to	to	IN
39142	3312	11	loss	loss	NN
39142	3312	12	of	of	IN
39142	3312	13	energy	energy	NN
39142	3312	14	by	by	IN
39142	3312	15	radiation	radiation	NN
39142	3312	16	,	,	,
39142	3312	17	and	and	CC
39142	3312	18	so	so	RB
39142	3312	19	increased	increase	VBD
39142	3312	20	its	-PRON-	PRP$
39142	3312	21	angular	angular	JJ
39142	3312	22	velocity	velocity	NN
39142	3312	23	until	until	IN
39142	3312	24	it	-PRON-	PRP
39142	3312	25	assumed	assume	VBD
39142	3312	26	a	a	DT
39142	3312	27	lenticular	lenticular	JJ
39142	3312	28	shape	shape	NN
39142	3312	29	....	....	.
39142	3312	30	After	after	IN
39142	3312	31	this	this	DT
39142	3312	32	,	,	,
39142	3312	33	further	further	JJ
39142	3312	34	contraction	contraction	NN
39142	3312	35	was	be	VBD
39142	3312	36	a	a	DT
39142	3312	37	sheer	sheer	JJ
39142	3312	38	mathematical	mathematical	JJ
39142	3312	39	impossibility	impossibility	NN
39142	3312	40	and	and	CC
39142	3312	41	the	the	DT
39142	3312	42	system	system	NN
39142	3312	43	had	have	VBD
39142	3312	44	to	to	TO
39142	3312	45	expand	expand	VB
39142	3312	46	.	.	.
39142	3313	1	The	the	DT
39142	3313	2	mechanism	mechanism	NN
39142	3313	3	of	of	IN
39142	3313	4	expansion	expansion	NN
39142	3313	5	was	be	VBD
39142	3313	6	provided	provide	VBN
39142	3313	7	by	by	IN
39142	3313	8	matter	matter	NN
39142	3313	9	being	be	VBG
39142	3313	10	thrown	throw	VBN
39142	3313	11	off	off	RP
39142	3313	12	from	from	IN
39142	3313	13	the	the	DT
39142	3313	14	sharp	sharp	JJ
39142	3313	15	edge	edge	NN
39142	3313	16	of	of	IN
39142	3313	17	the	the	DT
39142	3313	18	lenticular	lenticular	NN
39142	3313	19	figure	figure	NN
39142	3313	20	,	,	,
39142	3313	21	the	the	DT
39142	3313	22	lenticular	lenticular	NN
39142	3313	23	center	center	NN
39142	3313	24	now	now	RB
39142	3313	25	forming	form	VBG
39142	3313	26	the	the	DT
39142	3313	27	nucleus	nucleus	NN
39142	3313	28	,	,	,
39142	3313	29	and	and	CC
39142	3313	30	the	the	DT
39142	3313	31	thrown	throw	VBN
39142	3313	32	-	-	HYPH
39142	3313	33	off	off	RP
39142	3313	34	matter	matter	NN
39142	3313	35	forming	form	VBG
39142	3313	36	the	the	DT
39142	3313	37	arms	arm	NNS
39142	3313	38	,	,	,
39142	3313	39	of	of	IN
39142	3313	40	a	a	DT
39142	3313	41	spiral	spiral	JJ
39142	3313	42	nebula	nebula	NN
39142	3313	43	of	of	IN
39142	3313	44	the	the	DT
39142	3313	45	normal	normal	JJ
39142	3313	46	type	type	NN
39142	3313	47	.	.	.
39142	3314	1	The	the	DT
39142	3314	2	long	long	JJ
39142	3314	3	filaments	filament	NNS
39142	3314	4	of	of	IN
39142	3314	5	matter	matter	NN
39142	3314	6	which	which	WDT
39142	3314	7	constituted	constitute	VBD
39142	3314	8	the	the	DT
39142	3314	9	arms	arm	NNS
39142	3314	10	,	,	,
39142	3314	11	being	be	VBG
39142	3314	12	gravitationally	gravitationally	RB
39142	3314	13	unstable	unstable	JJ
39142	3314	14	,	,	,
39142	3314	15	first	first	RB
39142	3314	16	formed	form	VBN
39142	3314	17	into	into	IN
39142	3314	18	chains	chain	NNS
39142	3314	19	of	of	IN
39142	3314	20	condensation	condensation	NN
39142	3314	21	about	about	IN
39142	3314	22	nuclei	nucleus	NNS
39142	3314	23	,	,	,
39142	3314	24	and	and	CC
39142	3314	25	ultimately	ultimately	RB
39142	3314	26	formed	form	VBD
39142	3314	27	detached	detached	JJ
39142	3314	28	masses	masse	NNS
39142	3314	29	of	of	IN
39142	3314	30	gas	gas	NN
39142	3314	31	.	.	.
39142	3315	1	With	with	IN
39142	3315	2	continued	continued	JJ
39142	3315	3	shrinkage	shrinkage	NN
39142	3315	4	,	,	,
39142	3315	5	the	the	DT
39142	3315	6	temperature	temperature	NN
39142	3315	7	of	of	IN
39142	3315	8	these	these	DT
39142	3315	9	masses	masse	NNS
39142	3315	10	increased	increase	VBD
39142	3315	11	until	until	IN
39142	3315	12	they	-PRON-	PRP
39142	3315	13	attained	attain	VBD
39142	3315	14	to	to	TO
39142	3315	15	incandescence	incandescence	NN
39142	3315	16	,	,	,
39142	3315	17	and	and	CC
39142	3315	18	shone	shine	VBD
39142	3315	19	as	as	IN
39142	3315	20	luminous	luminous	JJ
39142	3315	21	stars	star	NNS
39142	3315	22	.	.	.
39142	3316	1	At	at	IN
39142	3316	2	the	the	DT
39142	3316	3	same	same	JJ
39142	3316	4	time	time	NN
39142	3316	5	their	-PRON-	PRP$
39142	3316	6	velocity	velocity	NN
39142	3316	7	of	of	IN
39142	3316	8	rotation	rotation	NN
39142	3316	9	increased	increase	VBD
39142	3316	10	until	until	IN
39142	3316	11	a	a	DT
39142	3316	12	large	large	JJ
39142	3316	13	proportion	proportion	NN
39142	3316	14	of	of	IN
39142	3316	15	them	-PRON-	PRP
39142	3316	16	broke	break	VBD
39142	3316	17	up	up	RP
39142	3316	18	by	by	IN
39142	3316	19	fission	fission	NN
39142	3316	20	into	into	IN
39142	3316	21	binary	binary	JJ
39142	3316	22	systems	system	NNS
39142	3316	23	.	.	.
39142	3317	1	The	the	DT
39142	3317	2	majority	majority	NN
39142	3317	3	of	of	IN
39142	3317	4	the	the	DT
39142	3317	5	stars	star	NNS
39142	3317	6	broke	break	VBD
39142	3317	7	away	away	RB
39142	3317	8	from	from	IN
39142	3317	9	their	-PRON-	PRP$
39142	3317	10	neighbors	neighbor	NNS
39142	3317	11	and	and	CC
39142	3317	12	so	so	RB
39142	3317	13	formed	form	VBD
39142	3317	14	a	a	DT
39142	3317	15	cluster	cluster	NN
39142	3317	16	of	of	IN
39142	3317	17	irregularly	irregularly	RB
39142	3317	18	moving	move	VBG
39142	3317	19	stars	star	NNS
39142	3317	20	--	--	:
39142	3317	21	our	-PRON-	PRP$
39142	3317	22	present	present	JJ
39142	3317	23	Galactic	galactic	JJ
39142	3317	24	universe	universe	NN
39142	3317	25	,	,	,
39142	3317	26	in	in	IN
39142	3317	27	which	which	WDT
39142	3317	28	the	the	DT
39142	3317	29	flattened	flattened	JJ
39142	3317	30	shape	shape	NN
39142	3317	31	of	of	IN
39142	3317	32	the	the	DT
39142	3317	33	original	original	JJ
39142	3317	34	nebula	nebula	NN
39142	3317	35	may	may	MD
39142	3317	36	still	still	RB
39142	3317	37	be	be	VB
39142	3317	38	traced	trace	VBN
39142	3317	39	in	in	IN
39142	3317	40	the	the	DT
39142	3317	41	concentration	concentration	NN
39142	3317	42	about	about	IN
39142	3317	43	the	the	DT
39142	3317	44	Galactic	galactic	JJ
39142	3317	45	plane	plane	NN
39142	3317	46	,	,	,
39142	3317	47	while	while	IN
39142	3317	48	the	the	DT
39142	3317	49	original	original	JJ
39142	3317	50	motion	motion	NN
39142	3317	51	along	along	IN
39142	3317	52	the	the	DT
39142	3317	53	nebular	nebular	JJ
39142	3317	54	arms	arm	NNS
39142	3317	55	still	still	RB
39142	3317	56	persists	persist	VBZ
39142	3317	57	in	in	IN
39142	3317	58	the	the	DT
39142	3317	59	form	form	NN
39142	3317	60	of	of	IN
39142	3317	61	'	'	``
39142	3317	62	star	star	NN
39142	3317	63	-	-	HYPH
39142	3317	64	streaming	streaming	NN
39142	3317	65	.	.	.
39142	3317	66	'	'	''
39142	3318	1	In	in	IN
39142	3318	2	some	some	DT
39142	3318	3	cases	case	NNS
39142	3318	4	a	a	DT
39142	3318	5	pair	pair	NN
39142	3318	6	or	or	CC
39142	3318	7	small	small	JJ
39142	3318	8	group	group	NN
39142	3318	9	of	of	IN
39142	3318	10	stars	star	NNS
39142	3318	11	failed	fail	VBD
39142	3318	12	to	to	TO
39142	3318	13	get	get	VB
39142	3318	14	clear	clear	JJ
39142	3318	15	of	of	IN
39142	3318	16	one	one	CD
39142	3318	17	another	another	DT
39142	3318	18	's	's	POS
39142	3318	19	gravitational	gravitational	JJ
39142	3318	20	attractions	attraction	NNS
39142	3318	21	and	and	CC
39142	3318	22	remain	remain	VBP
39142	3318	23	describing	describing	JJ
39142	3318	24	orbits	orbit	NNS
39142	3318	25	about	about	IN
39142	3318	26	one	one	CD
39142	3318	27	another	another	DT
39142	3318	28	as	as	IN
39142	3318	29	wide	wide	JJ
39142	3318	30	binaries	binary	NNS
39142	3318	31	or	or	CC
39142	3318	32	multiple	multiple	JJ
39142	3318	33	stars	star	NNS
39142	3318	34	.	.	.
39142	3319	1	The	the	DT
39142	3319	2	stars	star	NNS
39142	3319	3	which	which	WDT
39142	3319	4	were	be	VBD
39142	3319	5	formed	form	VBN
39142	3319	6	last	last	JJ
39142	3319	7	,	,	,
39142	3319	8	the	the	DT
39142	3319	9	present	present	JJ
39142	3319	10	B	b	NN
39142	3319	11	-	-	HYPH
39142	3319	12	type	type	NN
39142	3319	13	stars	star	NNS
39142	3319	14	,	,	,
39142	3319	15	have	have	VBP
39142	3319	16	been	be	VBN
39142	3319	17	unusually	unusually	RB
39142	3319	18	immune	immune	JJ
39142	3319	19	from	from	IN
39142	3319	20	disturbance	disturbance	NN
39142	3319	21	by	by	IN
39142	3319	22	their	-PRON-	PRP$
39142	3319	23	neighbors	neighbor	NNS
39142	3319	24	,	,	,
39142	3319	25	partly	partly	RB
39142	3319	26	because	because	IN
39142	3319	27	they	-PRON-	PRP
39142	3319	28	were	be	VBD
39142	3319	29	born	bear	VBN
39142	3319	30	when	when	WRB
39142	3319	31	adjacent	adjacent	JJ
39142	3319	32	stars	star	NNS
39142	3319	33	had	have	VBD
39142	3319	34	almost	almost	RB
39142	3319	35	ceased	cease	VBN
39142	3319	36	to	to	TO
39142	3319	37	interfere	interfere	VB
39142	3319	38	with	with	IN
39142	3319	39	one	one	CD
39142	3319	40	another	another	DT
39142	3319	41	,	,	,
39142	3319	42	partly	partly	RB
39142	3319	43	because	because	IN
39142	3319	44	their	-PRON-	PRP$
39142	3319	45	exceptionally	exceptionally	RB
39142	3319	46	large	large	JJ
39142	3319	47	mass	mass	NN
39142	3319	48	minimized	minimize	VBD
39142	3319	49	the	the	DT
39142	3319	50	effect	effect	NN
39142	3319	51	of	of	IN
39142	3319	52	such	such	JJ
39142	3319	53	interference	interference	NN
39142	3319	54	as	as	IN
39142	3319	55	may	may	MD
39142	3319	56	have	have	VB
39142	3319	57	occurred	occur	VBN
39142	3319	58	;	;	:
39142	3319	59	consequently	consequently	RB
39142	3319	60	they	-PRON-	PRP
39142	3319	61	remain	remain	VBP
39142	3319	62	moving	move	VBG
39142	3319	63	in	in	IN
39142	3319	64	the	the	DT
39142	3319	65	plane	plane	NN
39142	3319	66	in	in	IN
39142	3319	67	which	which	WDT
39142	3319	68	they	-PRON-	PRP
39142	3319	69	were	be	VBD
39142	3319	70	formed	form	VBN
39142	3319	71	,	,	,
39142	3319	72	many	many	JJ
39142	3319	73	of	of	IN
39142	3319	74	them	-PRON-	PRP
39142	3319	75	still	still	RB
39142	3319	76	constituting	constitute	VBG
39142	3319	77	closely	closely	RB
39142	3319	78	associated	associate	VBN
39142	3319	79	groups	group	NNS
39142	3319	80	of	of	IN
39142	3319	81	stars	star	NNS
39142	3319	82	--	--	:
39142	3319	83	the	the	DT
39142	3319	84	moving	move	VBG
39142	3319	85	star	star	NN
39142	3319	86	clusters	cluster	NNS
39142	3319	87	.	.	.
39142	3320	1	"	"	``
39142	3320	2	At	at	IN
39142	3320	3	intervals	interval	NNS
39142	3320	4	it	-PRON-	PRP
39142	3320	5	must	must	MD
39142	3320	6	have	have	VB
39142	3320	7	happened	happen	VBN
39142	3320	8	that	that	IN
39142	3320	9	two	two	CD
39142	3320	10	stars	star	NNS
39142	3320	11	passed	pass	VBN
39142	3320	12	relatively	relatively	RB
39142	3320	13	near	near	RB
39142	3320	14	to	to	IN
39142	3320	15	one	one	CD
39142	3320	16	another	another	DT
39142	3320	17	in	in	IN
39142	3320	18	their	-PRON-	PRP$
39142	3320	19	motion	motion	NN
39142	3320	20	through	through	IN
39142	3320	21	the	the	DT
39142	3320	22	universe	universe	NN
39142	3320	23	.	.	.
39142	3321	1	We	-PRON-	PRP
39142	3321	2	conjecture	conjecture	VBP
39142	3321	3	that	that	IN
39142	3321	4	something	something	NN
39142	3321	5	like	like	IN
39142	3321	6	300	300	CD
39142	3321	7	million	million	CD
39142	3321	8	years	year	NNS
39142	3321	9	ago	ago	RB
39142	3321	10	our	-PRON-	PRP$
39142	3321	11	sun	sun	NN
39142	3321	12	experienced	experience	VBD
39142	3321	13	an	an	DT
39142	3321	14	encounter	encounter	NN
39142	3321	15	of	of	IN
39142	3321	16	this	this	DT
39142	3321	17	kind	kind	NN
39142	3321	18	,	,	,
39142	3321	19	a	a	DT
39142	3321	20	large	large	JJ
39142	3321	21	star	star	NN
39142	3321	22	passing	pass	VBG
39142	3321	23	within	within	IN
39142	3321	24	a	a	DT
39142	3321	25	distance	distance	NN
39142	3321	26	of	of	IN
39142	3321	27	about	about	RB
39142	3321	28	the	the	DT
39142	3321	29	sun	sun	NN
39142	3321	30	's	's	POS
39142	3321	31	diameter	diameter	NN
39142	3321	32	from	from	IN
39142	3321	33	its	-PRON-	PRP$
39142	3321	34	surface	surface	NN
39142	3321	35	.	.	.
39142	3322	1	The	the	DT
39142	3322	2	effect	effect	NN
39142	3322	3	of	of	IN
39142	3322	4	this	this	DT
39142	3322	5	,	,	,
39142	3322	6	as	as	IN
39142	3322	7	we	-PRON-	PRP
39142	3322	8	have	have	VBP
39142	3322	9	seen	see	VBN
39142	3322	10	,	,	,
39142	3322	11	would	would	MD
39142	3322	12	be	be	VB
39142	3322	13	the	the	DT
39142	3322	14	ejection	ejection	NN
39142	3322	15	of	of	IN
39142	3322	16	a	a	DT
39142	3322	17	stream	stream	NN
39142	3322	18	of	of	IN
39142	3322	19	gas	gas	NN
39142	3322	20	toward	toward	IN
39142	3322	21	the	the	DT
39142	3322	22	passing	pass	VBG
39142	3322	23	star	star	NN
39142	3322	24	.	.	.
39142	3323	1	At	at	IN
39142	3323	2	this	this	DT
39142	3323	3	epoch	epoch	NN
39142	3323	4	the	the	DT
39142	3323	5	sun	sun	NN
39142	3323	6	is	be	VBZ
39142	3323	7	supposed	suppose	VBN
39142	3323	8	to	to	TO
39142	3323	9	have	have	VB
39142	3323	10	been	be	VBN
39142	3323	11	dark	dark	JJ
39142	3323	12	and	and	CC
39142	3323	13	cold	cold	JJ
39142	3323	14	,	,	,
39142	3323	15	its	-PRON-	PRP$
39142	3323	16	density	density	NN
39142	3323	17	being	be	VBG
39142	3323	18	so	so	RB
39142	3323	19	low	low	JJ
39142	3323	20	that	that	IN
39142	3323	21	its	-PRON-	PRP$
39142	3323	22	radius	radius	NN
39142	3323	23	was	be	VBD
39142	3323	24	perhaps	perhaps	RB
39142	3323	25	comparable	comparable	JJ
39142	3323	26	with	with	IN
39142	3323	27	the	the	DT
39142	3323	28	present	present	JJ
39142	3323	29	radius	radius	NN
39142	3323	30	of	of	IN
39142	3323	31	Neptune	Neptune	NNP
39142	3323	32	's	's	POS
39142	3323	33	orbit	orbit	NN
39142	3323	34	.	.	.
39142	3324	1	The	the	DT
39142	3324	2	ejected	eject	VBN
39142	3324	3	stream	stream	NN
39142	3324	4	of	of	IN
39142	3324	5	matter	matter	NN
39142	3324	6	,	,	,
39142	3324	7	becoming	become	VBG
39142	3324	8	still	still	RB
39142	3324	9	colder	cold	JJR
39142	3324	10	by	by	IN
39142	3324	11	radiation	radiation	NN
39142	3324	12	,	,	,
39142	3324	13	may	may	MD
39142	3324	14	have	have	VB
39142	3324	15	condensed	condense	VBN
39142	3324	16	into	into	IN
39142	3324	17	liquid	liquid	NN
39142	3324	18	near	near	IN
39142	3324	19	its	-PRON-	PRP$
39142	3324	20	ends	end	NNS
39142	3324	21	and	and	CC
39142	3324	22	perhaps	perhaps	RB
39142	3324	23	partially	partially	RB
39142	3324	24	also	also	RB
39142	3324	25	near	near	IN
39142	3324	26	its	-PRON-	PRP$
39142	3324	27	middle	middle	NN
39142	3324	28	.	.	.
39142	3325	1	Such	such	PDT
39142	3325	2	a	a	DT
39142	3325	3	jet	jet	NN
39142	3325	4	of	of	IN
39142	3325	5	matter	matter	NN
39142	3325	6	would	would	MD
39142	3325	7	be	be	VB
39142	3325	8	longitudinally	longitudinally	RB
39142	3325	9	unstable	unstable	JJ
39142	3325	10	and	and	CC
39142	3325	11	would	would	MD
39142	3325	12	condense	condense	VB
39142	3325	13	into	into	IN
39142	3325	14	detached	detach	VBN
39142	3325	15	nuclei	nucleus	NNS
39142	3325	16	which	which	WDT
39142	3325	17	would	would	MD
39142	3325	18	ultimately	ultimately	RB
39142	3325	19	form	form	VB
39142	3325	20	planets	planet	NNS
39142	3325	21	.	.	.
39142	3325	22	"	"	''
39142	3326	1	CHAPTER	CHAPTER	NNP
39142	3326	2	LXI	LXI	NNP
39142	3326	3	COSMOGONY	COSMOGONY	NNP
39142	3326	4	IN	in	IN
39142	3326	5	TRANSITION	TRANSITION	NNP
39142	3326	6	We	-PRON-	PRP
39142	3326	7	have	have	VBP
39142	3326	8	seen	see	VBN
39142	3326	9	how	how	WRB
39142	3326	10	Wright	Wright	NNP
39142	3326	11	in	in	IN
39142	3326	12	1750	1750	CD
39142	3326	13	initiated	initiate	VBD
39142	3326	14	a	a	DT
39142	3326	15	theory	theory	NN
39142	3326	16	of	of	IN
39142	3326	17	evolution	evolution	NN
39142	3326	18	,	,	,
39142	3326	19	not	not	RB
39142	3326	20	only	only	RB
39142	3326	21	of	of	IN
39142	3326	22	the	the	DT
39142	3326	23	solar	solar	JJ
39142	3326	24	system	system	NN
39142	3326	25	,	,	,
39142	3326	26	but	but	CC
39142	3326	27	of	of	IN
39142	3326	28	all	all	PDT
39142	3326	29	the	the	DT
39142	3326	30	stars	star	NNS
39142	3326	31	and	and	CC
39142	3326	32	nebulæ	nebulæ	NN
39142	3326	33	as	as	RB
39142	3326	34	well	well	RB
39142	3326	35	;	;	:
39142	3326	36	how	how	WRB
39142	3326	37	Kant	Kant	NNP
39142	3326	38	in	in	IN
39142	3326	39	1752	1752	CD
39142	3326	40	by	by	IN
39142	3326	41	elaborating	elaborate	VBG
39142	3326	42	this	this	DT
39142	3326	43	theory	theory	NN
39142	3326	44	sought	seek	VBD
39142	3326	45	to	to	TO
39142	3326	46	develop	develop	VB
39142	3326	47	the	the	DT
39142	3326	48	details	detail	NNS
39142	3326	49	of	of	IN
39142	3326	50	evolution	evolution	NN
39142	3326	51	of	of	IN
39142	3326	52	the	the	DT
39142	3326	53	solar	solar	JJ
39142	3326	54	system	system	NN
39142	3326	55	on	on	IN
39142	3326	56	the	the	DT
39142	3326	57	basis	basis	NN
39142	3326	58	of	of	IN
39142	3326	59	the	the	DT
39142	3326	60	Newtonian	newtonian	JJ
39142	3326	61	law	law	NN
39142	3326	62	,	,	,
39142	3326	63	though	though	IN
39142	3326	64	weakened	weaken	VBN
39142	3326	65	,	,	,
39142	3326	66	as	as	IN
39142	3326	67	we	-PRON-	PRP
39142	3326	68	know	know	VBP
39142	3326	69	,	,	,
39142	3326	70	by	by	IN
39142	3326	71	serious	serious	JJ
39142	3326	72	errors	error	NNS
39142	3326	73	in	in	IN
39142	3326	74	applying	apply	VBG
39142	3326	75	physical	physical	JJ
39142	3326	76	laws	law	NNS
39142	3326	77	;	;	:
39142	3326	78	how	how	WRB
39142	3326	79	Laplace	Laplace	NNP
39142	3326	80	in	in	IN
39142	3326	81	1796	1796	CD
39142	3326	82	put	put	VBD
39142	3326	83	forward	forward	RP
39142	3326	84	his	-PRON-	PRP$
39142	3326	85	nebular	nebular	JJ
39142	3326	86	hypothesis	hypothesis	NN
39142	3326	87	of	of	IN
39142	3326	88	origin	origin	NN
39142	3326	89	and	and	CC
39142	3326	90	development	development	NN
39142	3326	91	of	of	IN
39142	3326	92	the	the	DT
39142	3326	93	solar	solar	JJ
39142	3326	94	system	system	NN
39142	3326	95	,	,	,
39142	3326	96	by	by	IN
39142	3326	97	contraction	contraction	NN
39142	3326	98	from	from	IN
39142	3326	99	an	an	DT
39142	3326	100	original	original	JJ
39142	3326	101	gaseous	gaseous	JJ
39142	3326	102	nebula	nebula	NN
39142	3326	103	in	in	IN
39142	3326	104	accord	accord	NN
39142	3326	105	with	with	IN
39142	3326	106	the	the	DT
39142	3326	107	Newtonian	newtonian	JJ
39142	3326	108	law	law	NN
39142	3326	109	;	;	:
39142	3326	110	how	how	WRB
39142	3326	111	Sir	Sir	NNP
39142	3326	112	William	William	NNP
39142	3326	113	Herschel	Herschel	NNP
39142	3326	114	in	in	IN
39142	3326	115	1810	1810	CD
39142	3326	116	saw	see	VBD
39142	3326	117	in	in	IN
39142	3326	118	all	all	DT
39142	3326	119	nebulæ	nebulæ	NN
39142	3326	120	merely	merely	RB
39142	3326	121	the	the	DT
39142	3326	122	stuff	stuff	NN
39142	3326	123	that	that	WDT
39142	3326	124	stars	star	NNS
39142	3326	125	are	be	VBP
39142	3326	126	made	make	VBN
39142	3326	127	of	of	IN
39142	3326	128	;	;	:
39142	3326	129	how	how	WRB
39142	3326	130	Lord	Lord	NNP
39142	3326	131	Rosse	Rosse	NNP
39142	3326	132	in	in	IN
39142	3326	133	1845	1845	CD
39142	3326	134	discovered	discover	VBD
39142	3326	135	spiral	spiral	JJ
39142	3326	136	nebulæ	nebulæ	NN
39142	3326	137	;	;	:
39142	3326	138	how	how	WRB
39142	3326	139	Helmholtz	Helmholtz	NNP
39142	3326	140	in	in	IN
39142	3326	141	1854	1854	CD
39142	3326	142	put	put	VBD
39142	3326	143	forward	forward	RP
39142	3326	144	his	-PRON-	PRP$
39142	3326	145	contraction	contraction	NN
39142	3326	146	theory	theory	NN
39142	3326	147	of	of	IN
39142	3326	148	maintenance	maintenance	NN
39142	3326	149	of	of	IN
39142	3326	150	the	the	DT
39142	3326	151	solar	solar	JJ
39142	3326	152	heat	heat	NN
39142	3326	153	,	,	,
39142	3326	154	seemingly	seemingly	RB
39142	3326	155	reinforcing	reinforce	VBG
39142	3326	156	the	the	DT
39142	3326	157	Laplacian	laplacian	JJ
39142	3326	158	theory	theory	NN
39142	3326	159	;	;	:
39142	3326	160	how	how	WRB
39142	3326	161	Lane	Lane	NNP
39142	3326	162	in	in	IN
39142	3326	163	1870	1870	CD
39142	3326	164	proved	prove	VBD
39142	3326	165	that	that	IN
39142	3326	166	a	a	DT
39142	3326	167	contracting	contract	VBG
39142	3326	168	gaseous	gaseous	JJ
39142	3326	169	star	star	NN
39142	3326	170	might	may	MD
39142	3326	171	rise	rise	VB
39142	3326	172	in	in	IN
39142	3326	173	temperature	temperature	NN
39142	3326	174	;	;	:
39142	3326	175	how	how	WRB
39142	3326	176	Roche	Roche	NNP
39142	3326	177	in	in	IN
39142	3326	178	1873	1873	CD
39142	3326	179	in	in	IN
39142	3326	180	attempting	attempt	VBG
39142	3326	181	to	to	TO
39142	3326	182	modify	modify	VB
39142	3326	183	the	the	DT
39142	3326	184	Laplacian	laplacian	JJ
39142	3326	185	hypothesis	hypothesis	NN
39142	3326	186	,	,	,
39142	3326	187	pointed	point	VBD
39142	3326	188	out	out	RP
39142	3326	189	the	the	DT
39142	3326	190	conditions	condition	NNS
39142	3326	191	under	under	IN
39142	3326	192	which	which	WDT
39142	3326	193	a	a	DT
39142	3326	194	satellite	satellite	NN
39142	3326	195	would	would	MD
39142	3326	196	be	be	VB
39142	3326	197	broken	break	VBN
39142	3326	198	up	up	RP
39142	3326	199	by	by	IN
39142	3326	200	tidal	tidal	JJ
39142	3326	201	strains	strain	NNS
39142	3326	202	;	;	:
39142	3326	203	how	how	WRB
39142	3326	204	Darwin	Darwin	NNP
39142	3326	205	in	in	IN
39142	3326	206	1879	1879	CD
39142	3326	207	showed	show	VBD
39142	3326	208	that	that	IN
39142	3326	209	the	the	DT
39142	3326	210	theory	theory	NN
39142	3326	211	of	of	IN
39142	3326	212	tidal	tidal	JJ
39142	3326	213	evolution	evolution	NN
39142	3326	214	of	of	IN
39142	3326	215	non	non	JJ
39142	3326	216	-	-	JJ
39142	3326	217	rigid	rigid	JJ
39142	3326	218	bodies	body	NNS
39142	3326	219	might	may	MD
39142	3326	220	account	account	VB
39142	3326	221	for	for	IN
39142	3326	222	the	the	DT
39142	3326	223	formation	formation	NN
39142	3326	224	of	of	IN
39142	3326	225	the	the	DT
39142	3326	226	moon	moon	NN
39142	3326	227	,	,	,
39142	3326	228	and	and	CC
39142	3326	229	binary	binary	JJ
39142	3326	230	stars	star	NNS
39142	3326	231	might	may	MD
39142	3326	232	originate	originate	VB
39142	3326	233	by	by	IN
39142	3326	234	fission	fission	NN
39142	3326	235	;	;	:
39142	3326	236	how	how	WRB
39142	3326	237	Keeler	Keeler	NNP
39142	3326	238	in	in	IN
39142	3326	239	1900	1900	CD
39142	3326	240	discovered	discover	VBD
39142	3326	241	the	the	DT
39142	3326	242	vast	vast	JJ
39142	3326	243	numbers	number	NNS
39142	3326	244	of	of	IN
39142	3326	245	spiral	spiral	JJ
39142	3326	246	nebulæ	nebulæ	NN
39142	3326	247	;	;	:
39142	3326	248	how	how	WRB
39142	3326	249	Chamberlin	Chamberlin	NNP
39142	3326	250	and	and	CC
39142	3326	251	Moulton	Moulton	NNP
39142	3326	252	in	in	IN
39142	3326	253	1903	1903	CD
39142	3326	254	put	put	VBD
39142	3326	255	forward	forward	RP
39142	3326	256	the	the	DT
39142	3326	257	planetesimal	planetesimal	NN
39142	3326	258	hypothesis	hypothesis	NN
39142	3326	259	of	of	IN
39142	3326	260	formation	formation	NN
39142	3326	261	of	of	IN
39142	3326	262	the	the	DT
39142	3326	263	spiral	spiral	JJ
39142	3326	264	nebulæ	nebulæ	NN
39142	3326	265	,	,	,
39142	3326	266	showing	show	VBG
39142	3326	267	also	also	RB
39142	3326	268	how	how	WRB
39142	3326	269	that	that	DT
39142	3326	270	hypothesis	hypothesis	NN
39142	3326	271	might	may	MD
39142	3326	272	account	account	VB
39142	3326	273	for	for	IN
39142	3326	274	the	the	DT
39142	3326	275	evolution	evolution	NN
39142	3326	276	of	of	IN
39142	3326	277	the	the	DT
39142	3326	278	solar	solar	JJ
39142	3326	279	system	system	NN
39142	3326	280	;	;	:
39142	3326	281	and	and	CC
39142	3326	282	how	how	WRB
39142	3326	283	Jeans	Jeans	NNPS
39142	3326	284	in	in	IN
39142	3326	285	1916	1916	CD
39142	3326	286	advocated	advocate	VBD
39142	3326	287	the	the	DT
39142	3326	288	median	median	JJ
39142	3326	289	ground	ground	NN
39142	3326	290	in	in	IN
39142	3326	291	evolution	evolution	NN
39142	3326	292	of	of	IN
39142	3326	293	the	the	DT
39142	3326	294	arms	arm	NNS
39142	3326	295	of	of	IN
39142	3326	296	the	the	DT
39142	3326	297	spiral	spiral	JJ
39142	3326	298	nebulæ	nebulæ	NN
39142	3326	299	,	,	,
39142	3326	300	showing	show	VBG
39142	3326	301	that	that	IN
39142	3326	302	they	-PRON-	PRP
39142	3326	303	will	will	MD
39142	3326	304	break	break	VB
39142	3326	305	up	up	RP
39142	3326	306	into	into	IN
39142	3326	307	nuclei	nucleus	NNS
39142	3326	308	,	,	,
39142	3326	309	if	if	IN
39142	3326	310	sufficiently	sufficiently	RB
39142	3326	311	massive	massive	JJ
39142	3326	312	.	.	.
39142	3327	1	In	in	IN
39142	3327	2	all	all	PDT
39142	3327	3	these	these	DT
39142	3327	4	theories	theory	NNS
39142	3327	5	,	,	,
39142	3327	6	truth	truth	NN
39142	3327	7	and	and	CC
39142	3327	8	error	error	NN
39142	3327	9	,	,	,
39142	3327	10	or	or	CC
39142	3327	11	lack	lack	NN
39142	3327	12	of	of	IN
39142	3327	13	complete	complete	JJ
39142	3327	14	knowledge	knowledge	NN
39142	3327	15	,	,	,
39142	3327	16	appear	appear	VB
39142	3327	17	to	to	TO
39142	3327	18	be	be	VB
39142	3327	19	intermingled	intermingle	VBN
39142	3327	20	in	in	IN
39142	3327	21	varying	vary	VBG
39142	3327	22	proportions	proportion	NNS
39142	3327	23	.	.	.
39142	3328	1	Is	be	VBZ
39142	3328	2	it	-PRON-	PRP
39142	3328	3	not	not	RB
39142	3328	4	early	early	JJ
39142	3328	5	yet	yet	RB
39142	3328	6	to	to	TO
39142	3328	7	say	say	VB
39142	3328	8	,	,	,
39142	3328	9	either	either	CC
39142	3328	10	that	that	IN
39142	3328	11	any	any	DT
39142	3328	12	one	one	CD
39142	3328	13	of	of	IN
39142	3328	14	them	-PRON-	PRP
39142	3328	15	must	must	MD
39142	3328	16	be	be	VB
39142	3328	17	abandoned	abandon	VBN
39142	3328	18	as	as	IN
39142	3328	19	totally	totally	RB
39142	3328	20	wrong	wrong	JJ
39142	3328	21	,	,	,
39142	3328	22	or	or	CC
39142	3328	23	on	on	IN
39142	3328	24	the	the	DT
39142	3328	25	other	other	JJ
39142	3328	26	hand	hand	NN
39142	3328	27	that	that	WDT
39142	3328	28	any	any	DT
39142	3328	29	one	one	CD
39142	3328	30	of	of	IN
39142	3328	31	them	-PRON-	PRP
39142	3328	32	,	,	,
39142	3328	33	or	or	CC
39142	3328	34	indeed	indeed	RB
39142	3328	35	any	any	DT
39142	3328	36	single	single	JJ
39142	3328	37	hypothesis	hypothesis	NN
39142	3328	38	,	,	,
39142	3328	39	can	can	MD
39142	3328	40	explain	explain	VB
39142	3328	41	all	all	PDT
39142	3328	42	the	the	DT
39142	3328	43	evolutionary	evolutionary	JJ
39142	3328	44	processes	process	NNS
39142	3328	45	of	of	IN
39142	3328	46	the	the	DT
39142	3328	47	universe	universe	NN
39142	3328	48	?	?	.
39142	3329	1	Clearly	clearly	RB
39142	3329	2	the	the	DT
39142	3329	3	great	great	JJ
39142	3329	4	problems	problem	NNS
39142	3329	5	can	can	MD
39142	3329	6	not	not	RB
39142	3329	7	all	all	DT
39142	3329	8	be	be	VB
39142	3329	9	solved	solve	VBN
39142	3329	10	by	by	IN
39142	3329	11	the	the	DT
39142	3329	12	kinetic	kinetic	JJ
39142	3329	13	theory	theory	NN
39142	3329	14	of	of	IN
39142	3329	15	gases	gas	NNS
39142	3329	16	and	and	CC
39142	3329	17	the	the	DT
39142	3329	18	law	law	NN
39142	3329	19	of	of	IN
39142	3329	20	gravitation	gravitation	NN
39142	3329	21	alone	alone	RB
39142	3329	22	.	.	.
39142	3330	1	Recent	recent	JJ
39142	3330	2	physical	physical	JJ
39142	3330	3	researches	research	NNS
39142	3330	4	into	into	IN
39142	3330	5	sub	sub	JJ
39142	3330	6	-	-	JJ
39142	3330	7	atomic	atomic	JJ
39142	3330	8	energy	energy	NN
39142	3330	9	and	and	CC
39142	3330	10	the	the	DT
39142	3330	11	structure	structure	NN
39142	3330	12	and	and	CC
39142	3330	13	properties	property	NNS
39142	3330	14	of	of	IN
39142	3330	15	matter	matter	NN
39142	3330	16	,	,	,
39142	3330	17	appear	appear	VBP
39142	3330	18	to	to	TO
39142	3330	19	point	point	VB
39142	3330	20	in	in	IN
39142	3330	21	the	the	DT
39142	3330	22	direction	direction	NN
39142	3330	23	where	where	WRB
39142	3330	24	we	-PRON-	PRP
39142	3330	25	must	must	MD
39142	3330	26	next	next	RB
39142	3330	27	look	look	VB
39142	3330	28	for	for	IN
39142	3330	29	more	more	JJR
39142	3330	30	light	light	NN
39142	3330	31	on	on	IN
39142	3330	32	such	such	JJ
39142	3330	33	questions	question	NNS
39142	3330	34	as	as	IN
39142	3330	35	the	the	DT
39142	3330	36	origin	origin	NN
39142	3330	37	and	and	CC
39142	3330	38	maintenance	maintenance	NN
39142	3330	39	of	of	IN
39142	3330	40	the	the	DT
39142	3330	41	sun	sun	NN
39142	3330	42	's	's	POS
39142	3330	43	heat	heat	NN
39142	3330	44	,	,	,
39142	3330	45	the	the	DT
39142	3330	46	complex	complex	JJ
39142	3330	47	phenomena	phenomenon	NNS
39142	3330	48	of	of	IN
39142	3330	49	variable	variable	JJ
39142	3330	50	stars	star	NNS
39142	3330	51	and	and	CC
39142	3330	52	the	the	DT
39142	3330	53	progressive	progressive	JJ
39142	3330	54	evolution	evolution	NN
39142	3330	55	of	of	IN
39142	3330	56	the	the	DT
39142	3330	57	myriad	myriad	JJ
39142	3330	58	bodies	body	NNS
39142	3330	59	of	of	IN
39142	3330	60	the	the	DT
39142	3330	61	stellar	stellar	JJ
39142	3330	62	universe	universe	NN
39142	3330	63	.	.	.
39142	3331	1	Because	because	IN
39142	3331	2	we	-PRON-	PRP
39142	3331	3	have	have	VBP
39142	3331	4	actually	actually	RB
39142	3331	5	seen	see	VBN
39142	3331	6	one	one	CD
39142	3331	7	star	star	NN
39142	3331	8	turn	turn	VB
39142	3331	9	into	into	IN
39142	3331	10	a	a	DT
39142	3331	11	nebula	nebula	NN
39142	3331	12	we	-PRON-	PRP
39142	3331	13	should	should	MD
39142	3331	14	not	not	RB
39142	3331	15	jump	jump	VB
39142	3331	16	to	to	IN
39142	3331	17	the	the	DT
39142	3331	18	conclusion	conclusion	NN
39142	3331	19	that	that	IN
39142	3331	20	all	all	DT
39142	3331	21	nebulæ	nebulæ	NNS
39142	3331	22	are	be	VBP
39142	3331	23	formed	form	VBN
39142	3331	24	from	from	IN
39142	3331	25	stars	star	NNS
39142	3331	26	,	,	,
39142	3331	27	even	even	RB
39142	3331	28	if	if	IN
39142	3331	29	this	this	DT
39142	3331	30	might	may	MD
39142	3331	31	seem	seem	VB
39142	3331	32	a	a	DT
39142	3331	33	direct	direct	JJ
39142	3331	34	inference	inference	NN
39142	3331	35	from	from	IN
39142	3331	36	the	the	DT
39142	3331	37	high	high	JJ
39142	3331	38	radial	radial	JJ
39142	3331	39	velocities	velocity	NNS
39142	3331	40	of	of	IN
39142	3331	41	planetary	planetary	NN
39142	3331	42	nebulæ	nebulæ	NN
39142	3331	43	.	.	.
39142	3332	1	Quite	quite	RB
39142	3332	2	as	as	IN
39142	3332	3	obviously	obviously	RB
39142	3332	4	many	many	JJ
39142	3332	5	of	of	IN
39142	3332	6	the	the	DT
39142	3332	7	spiral	spiral	JJ
39142	3332	8	nebulæ	nebulæ	NN
39142	3332	9	are	be	VBP
39142	3332	10	in	in	IN
39142	3332	11	a	a	DT
39142	3332	12	stage	stage	NN
39142	3332	13	of	of	IN
39142	3332	14	transition	transition	NN
39142	3332	15	into	into	IN
39142	3332	16	local	local	JJ
39142	3332	17	universes	universe	NNS
39142	3332	18	of	of	IN
39142	3332	19	stars	star	NNS
39142	3332	20	--	--	:
39142	3332	21	even	even	RB
39142	3332	22	more	more	RBR
39142	3332	23	obvious	obvious	JJ
39142	3332	24	from	from	IN
39142	3332	25	the	the	DT
39142	3332	26	marvelous	marvelous	JJ
39142	3332	27	photographs	photograph	NNS
39142	3332	28	in	in	IN
39142	3332	29	our	-PRON-	PRP$
39142	3332	30	day	day	NN
39142	3332	31	than	than	IN
39142	3332	32	the	the	DT
39142	3332	33	evolution	evolution	NN
39142	3332	34	of	of	IN
39142	3332	35	stars	star	NNS
39142	3332	36	from	from	IN
39142	3332	37	nebulæ	nebulæ	NN
39142	3332	38	of	of	IN
39142	3332	39	all	all	DT
39142	3332	40	types	type	NNS
39142	3332	41	was	be	VBD
39142	3332	42	to	to	IN
39142	3332	43	Herschel	Herschel	NNP
39142	3332	44	in	in	IN
39142	3332	45	his	-PRON-	PRP$
39142	3332	46	day	day	NN
39142	3332	47	.	.	.
39142	3333	1	The	the	DT
39142	3333	2	physicist	physicist	NN
39142	3333	3	must	must	MD
39142	3333	4	further	further	RB
39142	3333	5	investigate	investigate	VB
39142	3333	6	such	such	JJ
39142	3333	7	questions	question	NNS
39142	3333	8	as	as	IN
39142	3333	9	the	the	DT
39142	3333	10	building	building	NN
39142	3333	11	up	up	RP
39142	3333	12	of	of	IN
39142	3333	13	heavy	heavy	JJ
39142	3333	14	atomic	atomic	JJ
39142	3333	15	elements	element	NNS
39142	3333	16	by	by	IN
39142	3333	17	gravitative	gravitative	JJ
39142	3333	18	condensation	condensation	NN
39142	3333	19	of	of	IN
39142	3333	20	such	such	JJ
39142	3333	21	lighter	light	JJR
39142	3333	22	ones	one	NNS
39142	3333	23	as	as	IN
39142	3333	24	compose	compose	VB
39142	3333	25	the	the	DT
39142	3333	26	nebulæ	nebulæ	NN
39142	3333	27	;	;	:
39142	3333	28	and	and	CC
39142	3333	29	laboratory	laboratory	NN
39142	3333	30	investigation	investigation	NN
39142	3333	31	must	must	MD
39142	3333	32	elucidate	elucidate	VB
39142	3333	33	further	further	RB
39142	3333	34	the	the	DT
39142	3333	35	process	process	NN
39142	3333	36	of	of	IN
39142	3333	37	development	development	NN
39142	3333	38	of	of	IN
39142	3333	39	energy	energy	NN
39142	3333	40	from	from	IN
39142	3333	41	atomic	atomic	JJ
39142	3333	42	disintegration	disintegration	NN
39142	3333	43	under	under	IN
39142	3333	44	very	very	RB
39142	3333	45	high	high	JJ
39142	3333	46	pressures	pressure	NNS
39142	3333	47	.	.	.
39142	3334	1	This	this	DT
39142	3334	2	leads	lead	VBZ
39142	3334	3	to	to	IN
39142	3334	4	a	a	DT
39142	3334	5	reclassification	reclassification	NN
39142	3334	6	of	of	IN
39142	3334	7	the	the	DT
39142	3334	8	stars	star	NNS
39142	3334	9	on	on	IN
39142	3334	10	a	a	DT
39142	3334	11	temperature	temperature	NN
39142	3334	12	basis	basis	NN
39142	3334	13	.	.	.
39142	3335	1	Equally	equally	RB
39142	3335	2	important	important	JJ
39142	3335	3	is	be	VBZ
39142	3335	4	the	the	DT
39142	3335	5	inquiry	inquiry	NN
39142	3335	6	into	into	IN
39142	3335	7	the	the	DT
39142	3335	8	mechanism	mechanism	NN
39142	3335	9	of	of	IN
39142	3335	10	radiative	radiative	JJ
39142	3335	11	equilibrium	equilibrium	NN
39142	3335	12	in	in	IN
39142	3335	13	sun	sun	NN
39142	3335	14	and	and	CC
39142	3335	15	stars	star	NNS
39142	3335	16	.	.	.
39142	3336	1	Not	not	RB
39142	3336	2	impossibly	impossibly	RB
39142	3336	3	the	the	DT
39142	3336	4	process	process	NN
39142	3336	5	of	of	IN
39142	3336	6	the	the	DT
39142	3336	7	earth	earth	NN
39142	3336	8	's	's	POS
39142	3336	9	upper	upper	JJ
39142	3336	10	atmosphere	atmosphere	NN
39142	3336	11	in	in	IN
39142	3336	12	maintaining	maintain	VBG
39142	3336	13	a	a	DT
39142	3336	14	terrestrial	terrestrial	JJ
39142	3336	15	equilibrium	equilibrium	NN
39142	3336	16	may	may	MD
39142	3336	17	afford	afford	VB
39142	3336	18	some	some	DT
39142	3336	19	clue	clue	NN
39142	3336	20	.	.	.
39142	3337	1	What	what	WP
39142	3337	2	this	this	DT
39142	3337	3	physical	physical	JJ
39142	3337	4	mechanism	mechanism	NN
39142	3337	5	may	may	MD
39142	3337	6	be	be	VB
39142	3337	7	is	be	VBZ
39142	3337	8	very	very	RB
39142	3337	9	incompletely	incompletely	RB
39142	3337	10	known	know	VBN
39142	3337	11	,	,	,
39142	3337	12	but	but	CC
39142	3337	13	it	-PRON-	PRP
39142	3337	14	is	be	VBZ
39142	3337	15	now	now	RB
39142	3337	16	open	open	JJ
39142	3337	17	to	to	IN
39142	3337	18	further	further	JJ
39142	3337	19	research	research	NN
39142	3337	20	through	through	IN
39142	3337	21	recent	recent	JJ
39142	3337	22	progress	progress	NN
39142	3337	23	of	of	IN
39142	3337	24	aeronautics	aeronautic	NNS
39142	3337	25	,	,	,
39142	3337	26	which	which	WDT
39142	3337	27	will	will	MD
39142	3337	28	afford	afford	VB
39142	3337	29	the	the	DT
39142	3337	30	investigator	investigator	NN
39142	3337	31	a	a	DT
39142	3337	32	"	"	``
39142	3337	33	ceiling	ceiling	NN
39142	3337	34	"	"	''
39142	3337	35	of	of	IN
39142	3337	36	50,000	50,000	CD
39142	3337	37	feet	foot	NNS
39142	3337	38	and	and	CC
39142	3337	39	probably	probably	RB
39142	3337	40	more	more	RBR
39142	3337	41	.	.	.
39142	3338	1	Beneath	beneath	IN
39142	3338	2	this	this	DT
39142	3338	3	level	level	NN
39142	3338	4	,	,	,
39142	3338	5	perhaps	perhaps	RB
39142	3338	6	even	even	RB
39142	3338	7	below	below	IN
39142	3338	8	40,000	40,000	CD
39142	3338	9	feet	foot	NNS
39142	3338	10	,	,	,
39142	3338	11	lie	lie	VBP
39142	3338	12	all	all	PDT
39142	3338	13	the	the	DT
39142	3338	14	strata	strata	NN
39142	3338	15	,	,	,
39142	3338	16	including	include	VBG
39142	3338	17	the	the	DT
39142	3338	18	inversion	inversion	NN
39142	3338	19	layer	layer	NN
39142	3338	20	,	,	,
39142	3338	21	where	where	WRB
39142	3338	22	the	the	DT
39142	3338	23	sun	sun	NN
39142	3338	24	's	's	POS
39142	3338	25	heat	heat	NN
39142	3338	26	is	be	VBZ
39142	3338	27	conserved	conserve	VBN
39142	3338	28	and	and	CC
39142	3338	29	an	an	DT
39142	3338	30	equilibrium	equilibrium	NN
39142	3338	31	maintained	maintain	VBD
39142	3338	32	.	.	.
39142	3339	1	Even	even	RB
39142	3339	2	ten	ten	CD
39142	3339	3	years	year	NNS
39142	3339	4	ago	ago	RB
39142	3339	5	,	,	,
39142	3339	6	had	have	VBD
39142	3339	7	an	an	DT
39142	3339	8	astronomer	astronomer	NN
39142	3339	9	been	be	VBN
39142	3339	10	asked	ask	VBN
39142	3339	11	about	about	IN
39142	3339	12	the	the	DT
39142	3339	13	physical	physical	JJ
39142	3339	14	condition	condition	NN
39142	3339	15	of	of	IN
39142	3339	16	the	the	DT
39142	3339	17	interior	interior	NN
39142	3339	18	of	of	IN
39142	3339	19	the	the	DT
39142	3339	20	stars	star	NNS
39142	3339	21	,	,	,
39142	3339	22	he	-PRON-	PRP
39142	3339	23	would	would	MD
39142	3339	24	have	have	VB
39142	3339	25	replied	reply	VBN
39142	3339	26	that	that	IN
39142	3339	27	information	information	NN
39142	3339	28	of	of	IN
39142	3339	29	this	this	DT
39142	3339	30	character	character	NN
39142	3339	31	could	could	MD
39142	3339	32	only	only	RB
39142	3339	33	be	be	VB
39142	3339	34	had	have	VBN
39142	3339	35	on	on	IN
39142	3339	36	visiting	visit	VBG
39142	3339	37	the	the	DT
39142	3339	38	stars	star	NNS
39142	3339	39	themselves	-PRON-	PRP
39142	3339	40	--	--	:
39142	3339	41	and	and	CC
39142	3339	42	perhaps	perhaps	RB
39142	3339	43	not	not	RB
39142	3339	44	even	even	RB
39142	3339	45	then	then	RB
39142	3339	46	.	.	.
39142	3340	1	But	but	CC
39142	3340	2	at	at	IN
39142	3340	3	the	the	DT
39142	3340	4	Cardiff	Cardiff	NNP
39142	3340	5	meeting	meeting	NN
39142	3340	6	of	of	IN
39142	3340	7	the	the	DT
39142	3340	8	British	British	NNP
39142	3340	9	Association	Association	NNP
39142	3340	10	in	in	IN
39142	3340	11	1920	1920	CD
39142	3340	12	,	,	,
39142	3340	13	Eddington	Eddington	NNP
39142	3340	14	,	,	,
39142	3340	15	the	the	DT
39142	3340	16	president	president	NN
39142	3340	17	of	of	IN
39142	3340	18	Section	Section	NNP
39142	3340	19	A	A	NNP
39142	3340	20	,	,	,
39142	3340	21	delivered	deliver	VBD
39142	3340	22	an	an	DT
39142	3340	23	address	address	NN
39142	3340	24	on	on	IN
39142	3340	25	the	the	DT
39142	3340	26	internal	internal	JJ
39142	3340	27	constitution	constitution	NN
39142	3340	28	of	of	IN
39142	3340	29	the	the	DT
39142	3340	30	stars	star	NNS
39142	3340	31	.	.	.
39142	3341	1	He	-PRON-	PRP
39142	3341	2	cites	cite	VBZ
39142	3341	3	the	the	DT
39142	3341	4	recent	recent	JJ
39142	3341	5	investigations	investigation	NNS
39142	3341	6	of	of	IN
39142	3341	7	Russell	Russell	NNP
39142	3341	8	and	and	CC
39142	3341	9	others	other	NNS
39142	3341	10	on	on	IN
39142	3341	11	truly	truly	RB
39142	3341	12	gaseous	gaseous	JJ
39142	3341	13	stars	star	NNS
39142	3341	14	,	,	,
39142	3341	15	like	like	IN
39142	3341	16	Aldebaran	Aldebaran	NNP
39142	3341	17	,	,	,
39142	3341	18	Arcturus	Arcturus	NNP
39142	3341	19	,	,	,
39142	3341	20	Antares	Antares	NNPS
39142	3341	21	and	and	CC
39142	3341	22	Canopus	Canopus	NNP
39142	3341	23	,	,	,
39142	3341	24	which	which	WDT
39142	3341	25	are	be	VBP
39142	3341	26	in	in	IN
39142	3341	27	a	a	DT
39142	3341	28	diffuse	diffuse	NN
39142	3341	29	state	state	NN
39142	3341	30	and	and	CC
39142	3341	31	are	be	VBP
39142	3341	32	the	the	DT
39142	3341	33	most	most	RBS
39142	3341	34	powerful	powerful	JJ
39142	3341	35	light	light	NN
39142	3341	36	-	-	HYPH
39142	3341	37	givers	giver	NNS
39142	3341	38	,	,	,
39142	3341	39	and	and	CC
39142	3341	40	thus	thus	RB
39142	3341	41	are	be	VBP
39142	3341	42	to	to	TO
39142	3341	43	be	be	VB
39142	3341	44	distinguished	distinguish	VBN
39142	3341	45	from	from	IN
39142	3341	46	the	the	DT
39142	3341	47	denser	denser	NN
39142	3341	48	stars	star	NNS
39142	3341	49	like	like	IN
39142	3341	50	our	-PRON-	PRP$
39142	3341	51	Sun	Sun	NNP
39142	3341	52	.	.	.
39142	3342	1	The	the	DT
39142	3342	2	term	term	NN
39142	3342	3	_	_	NNP
39142	3342	4	giants	giants	NNPS
39142	3342	5	_	_	NNP
39142	3342	6	is	be	VBZ
39142	3342	7	applied	apply	VBN
39142	3342	8	to	to	IN
39142	3342	9	the	the	DT
39142	3342	10	former	former	JJ
39142	3342	11	,	,	,
39142	3342	12	and	and	CC
39142	3342	13	_	_	NNP
39142	3342	14	dwarfs	dwarf	VBZ
39142	3342	15	_	_	NNP
39142	3342	16	to	to	IN
39142	3342	17	the	the	DT
39142	3342	18	latter	latter	JJ
39142	3342	19	,	,	,
39142	3342	20	in	in	IN
39142	3342	21	accord	accord	NN
39142	3342	22	with	with	IN
39142	3342	23	Russell	Russell	NNP
39142	3342	24	's	's	POS
39142	3342	25	theory	theory	NN
39142	3342	26	.	.	.
39142	3343	1	As	as	IN
39142	3343	2	density	density	NN
39142	3343	3	increases	increase	VBZ
39142	3343	4	through	through	IN
39142	3343	5	contraction	contraction	NN
39142	3343	6	,	,	,
39142	3343	7	these	these	DT
39142	3343	8	terms	term	NNS
39142	3343	9	represent	represent	VBP
39142	3343	10	the	the	DT
39142	3343	11	progressive	progressive	JJ
39142	3343	12	stages	stage	NNS
39142	3343	13	,	,	,
39142	3343	14	from	from	IN
39142	3343	15	earlier	early	RBR
39142	3343	16	to	to	IN
39142	3343	17	later	later	RBR
39142	3343	18	,	,	,
39142	3343	19	in	in	IN
39142	3343	20	a	a	DT
39142	3343	21	star	star	NN
39142	3343	22	's	's	POS
39142	3343	23	history	history	NN
39142	3343	24	.	.	.
39142	3344	1	A	a	DT
39142	3344	2	red	red	JJ
39142	3344	3	or	or	CC
39142	3344	4	M	M	NNP
39142	3344	5	-	-	HYPH
39142	3344	6	type	type	NN
39142	3344	7	star	star	NN
39142	3344	8	begins	begin	VBZ
39142	3344	9	its	-PRON-	PRP$
39142	3344	10	history	history	NN
39142	3344	11	as	as	IN
39142	3344	12	a	a	DT
39142	3344	13	giant	giant	NN
39142	3344	14	of	of	IN
39142	3344	15	comparatively	comparatively	RB
39142	3344	16	low	low	JJ
39142	3344	17	temperature	temperature	NN
39142	3344	18	.	.	.
39142	3345	1	Contracting	contract	VBG
39142	3345	2	,	,	,
39142	3345	3	according	accord	VBG
39142	3345	4	to	to	IN
39142	3345	5	Lane	Lane	NNP
39142	3345	6	's	's	POS
39142	3345	7	law	law	NN
39142	3345	8	,	,	,
39142	3345	9	its	-PRON-	PRP$
39142	3345	10	temperature	temperature	NN
39142	3345	11	must	must	MD
39142	3345	12	rise	rise	VB
39142	3345	13	until	until	IN
39142	3345	14	its	-PRON-	PRP$
39142	3345	15	density	density	NN
39142	3345	16	becomes	become	VBZ
39142	3345	17	such	such	JJ
39142	3345	18	that	that	IN
39142	3345	19	it	-PRON-	PRP
39142	3345	20	no	no	RB
39142	3345	21	longer	long	RBR
39142	3345	22	behaves	behave	VBZ
39142	3345	23	as	as	IN
39142	3345	24	a	a	DT
39142	3345	25	perfect	perfect	JJ
39142	3345	26	gas	gas	NN
39142	3345	27	.	.	.
39142	3346	1	Much	much	JJ
39142	3346	2	depends	depend	VBZ
39142	3346	3	on	on	IN
39142	3346	4	the	the	DT
39142	3346	5	star	star	NN
39142	3346	6	's	's	POS
39142	3346	7	mass	mass	NN
39142	3346	8	;	;	:
39142	3346	9	but	but	CC
39142	3346	10	after	after	IN
39142	3346	11	its	-PRON-	PRP$
39142	3346	12	maximum	maximum	JJ
39142	3346	13	temperature	temperature	NN
39142	3346	14	is	be	VBZ
39142	3346	15	attained	attain	VBN
39142	3346	16	,	,	,
39142	3346	17	the	the	DT
39142	3346	18	star	star	NN
39142	3346	19	,	,	,
39142	3346	20	which	which	WDT
39142	3346	21	has	have	VBZ
39142	3346	22	shrunk	shrink	VBN
39142	3346	23	to	to	IN
39142	3346	24	the	the	DT
39142	3346	25	proportions	proportion	NNS
39142	3346	26	of	of	IN
39142	3346	27	a	a	DT
39142	3346	28	dwarf	dwarf	NN
39142	3346	29	,	,	,
39142	3346	30	goes	go	VBZ
39142	3346	31	on	on	IN
39142	3346	32	cooling	cooling	NN
39142	3346	33	and	and	CC
39142	3346	34	contracts	contract	NNS
39142	3346	35	still	still	RB
39142	3346	36	further	far	RBR
39142	3346	37	.	.	.
39142	3347	1	Each	each	DT
39142	3347	2	temperature	temperature	NN
39142	3347	3	-	-	HYPH
39142	3347	4	level	level	NN
39142	3347	5	is	be	VBZ
39142	3347	6	reached	reach	VBN
39142	3347	7	and	and	CC
39142	3347	8	passed	pass	VBN
39142	3347	9	twice	twice	RB
39142	3347	10	,	,	,
39142	3347	11	once	once	RB
39142	3347	12	during	during	IN
39142	3347	13	the	the	DT
39142	3347	14	ascending	ascend	VBG
39142	3347	15	stage	stage	NN
39142	3347	16	and	and	CC
39142	3347	17	once	once	RB
39142	3347	18	again	again	RB
39142	3347	19	in	in	IN
39142	3347	20	descending	descending	NN
39142	3347	21	--	--	:
39142	3347	22	once	once	RB
39142	3347	23	as	as	IN
39142	3347	24	a	a	DT
39142	3347	25	giant	giant	NN
39142	3347	26	,	,	,
39142	3347	27	and	and	CC
39142	3347	28	once	once	RB
39142	3347	29	as	as	IN
39142	3347	30	a	a	DT
39142	3347	31	dwarf	dwarf	NN
39142	3347	32	.	.	.
39142	3348	1	Thus	thus	RB
39142	3348	2	there	there	EX
39142	3348	3	are	be	VBP
39142	3348	4	vast	vast	JJ
39142	3348	5	differences	difference	NNS
39142	3348	6	in	in	IN
39142	3348	7	luminosity	luminosity	NN
39142	3348	8	:	:	:
39142	3348	9	the	the	DT
39142	3348	10	huge	huge	JJ
39142	3348	11	giant	giant	NN
39142	3348	12	,	,	,
39142	3348	13	having	have	VBG
39142	3348	14	a	a	DT
39142	3348	15	far	far	RB
39142	3348	16	larger	large	JJR
39142	3348	17	surface	surface	NN
39142	3348	18	than	than	IN
39142	3348	19	the	the	DT
39142	3348	20	shrunken	shrunken	JJ
39142	3348	21	dwarf	dwarf	NN
39142	3348	22	,	,	,
39142	3348	23	radiates	radiate	VBZ
39142	3348	24	an	an	DT
39142	3348	25	amount	amount	NN
39142	3348	26	of	of	IN
39142	3348	27	light	light	JJ
39142	3348	28	correspondingly	correspondingly	RB
39142	3348	29	greater	great	JJR
39142	3348	30	.	.	.
39142	3349	1	The	the	DT
39142	3349	2	physicist	physicist	NN
39142	3349	3	recognizes	recognize	VBZ
39142	3349	4	heat	heat	NN
39142	3349	5	in	in	IN
39142	3349	6	two	two	CD
39142	3349	7	forms	form	NNS
39142	3349	8	--	--	:
39142	3349	9	the	the	DT
39142	3349	10	energy	energy	NN
39142	3349	11	of	of	IN
39142	3349	12	motion	motion	NN
39142	3349	13	of	of	IN
39142	3349	14	material	material	NN
39142	3349	15	atoms	atom	NNS
39142	3349	16	,	,	,
39142	3349	17	and	and	CC
39142	3349	18	the	the	DT
39142	3349	19	energy	energy	NN
39142	3349	20	of	of	IN
39142	3349	21	ether	ether	NN
39142	3349	22	waves	wave	NNS
39142	3349	23	.	.	.
39142	3350	1	In	in	IN
39142	3350	2	hot	hot	JJ
39142	3350	3	bodies	body	NNS
39142	3350	4	with	with	IN
39142	3350	5	which	which	WDT
39142	3350	6	we	-PRON-	PRP
39142	3350	7	are	be	VBP
39142	3350	8	familiar	familiar	JJ
39142	3350	9	,	,	,
39142	3350	10	the	the	DT
39142	3350	11	second	second	JJ
39142	3350	12	form	form	NN
39142	3350	13	is	be	VBZ
39142	3350	14	quite	quite	RB
39142	3350	15	insignificant	insignificant	JJ
39142	3350	16	;	;	:
39142	3350	17	but	but	CC
39142	3350	18	in	in	IN
39142	3350	19	the	the	DT
39142	3350	20	giant	giant	JJ
39142	3350	21	stars	star	NNS
39142	3350	22	,	,	,
39142	3350	23	the	the	DT
39142	3350	24	two	two	CD
39142	3350	25	forms	form	NNS
39142	3350	26	are	be	VBP
39142	3350	27	present	present	JJ
39142	3350	28	in	in	IN
39142	3350	29	about	about	IN
39142	3350	30	equal	equal	JJ
39142	3350	31	proportions	proportion	NNS
39142	3350	32	.	.	.
39142	3351	1	The	the	DT
39142	3351	2	super	super	JJ
39142	3351	3	-	-	JJ
39142	3351	4	heated	heated	JJ
39142	3351	5	conditions	condition	NNS
39142	3351	6	of	of	IN
39142	3351	7	the	the	DT
39142	3351	8	interior	interior	NN
39142	3351	9	of	of	IN
39142	3351	10	the	the	DT
39142	3351	11	stars	star	NNS
39142	3351	12	can	can	MD
39142	3351	13	only	only	RB
39142	3351	14	be	be	VB
39142	3351	15	estimated	estimate	VBN
39142	3351	16	in	in	IN
39142	3351	17	millions	million	NNS
39142	3351	18	of	of	IN
39142	3351	19	degrees	degree	NNS
39142	3351	20	;	;	:
39142	3351	21	and	and	CC
39142	3351	22	the	the	DT
39142	3351	23	problem	problem	NN
39142	3351	24	is	be	VBZ
39142	3351	25	not	not	RB
39142	3351	26	one	one	CD
39142	3351	27	of	of	IN
39142	3351	28	convection	convection	NN
39142	3351	29	currents	current	NNS
39142	3351	30	,	,	,
39142	3351	31	as	as	RB
39142	3351	32	formerly	formerly	RB
39142	3351	33	thought	think	VBN
39142	3351	34	,	,	,
39142	3351	35	bringing	bring	VBG
39142	3351	36	hot	hot	JJ
39142	3351	37	masses	masse	NNS
39142	3351	38	to	to	IN
39142	3351	39	the	the	DT
39142	3351	40	surface	surface	NN
39142	3351	41	from	from	IN
39142	3351	42	the	the	DT
39142	3351	43	highly	highly	RB
39142	3351	44	heated	heated	JJ
39142	3351	45	interior	interior	NN
39142	3351	46	,	,	,
39142	3351	47	but	but	CC
39142	3351	48	how	how	WRB
39142	3351	49	can	can	MD
39142	3351	50	the	the	DT
39142	3351	51	heat	heat	NN
39142	3351	52	of	of	IN
39142	3351	53	the	the	DT
39142	3351	54	interior	interior	NNP
39142	3351	55	be	be	VB
39142	3351	56	barred	bar	VBN
39142	3351	57	against	against	IN
39142	3351	58	leakage	leakage	NN
39142	3351	59	and	and	CC
39142	3351	60	reduced	reduce	VBN
39142	3351	61	to	to	IN
39142	3351	62	the	the	DT
39142	3351	63	relatively	relatively	RB
39142	3351	64	small	small	JJ
39142	3351	65	radiation	radiation	NN
39142	3351	66	emitted	emit	VBN
39142	3351	67	by	by	IN
39142	3351	68	the	the	DT
39142	3351	69	stars	star	NNS
39142	3351	70	.	.	.
39142	3352	1	"	"	``
39142	3352	2	Smaller	small	JJR
39142	3352	3	stars	star	NNS
39142	3352	4	have	have	VBP
39142	3352	5	to	to	TO
39142	3352	6	manufacture	manufacture	VB
39142	3352	7	the	the	DT
39142	3352	8	radiant	radiant	JJ
39142	3352	9	heat	heat	NN
39142	3352	10	which	which	WDT
39142	3352	11	they	-PRON-	PRP
39142	3352	12	emit	emit	VBP
39142	3352	13	,	,	,
39142	3352	14	living	live	VBG
39142	3352	15	from	from	IN
39142	3352	16	hand	hand	NN
39142	3352	17	to	to	IN
39142	3352	18	mouth	mouth	NN
39142	3352	19	;	;	:
39142	3352	20	the	the	DT
39142	3352	21	giant	giant	JJ
39142	3352	22	stars	star	NNS
39142	3352	23	merely	merely	RB
39142	3352	24	leak	leak	VBP
39142	3352	25	radiant	radiant	JJ
39142	3352	26	heat	heat	NN
39142	3352	27	from	from	IN
39142	3352	28	their	-PRON-	PRP$
39142	3352	29	store	store	NN
39142	3352	30	.	.	.
39142	3352	31	"	"	''
39142	3353	1	So	so	IN
39142	3353	2	a	a	DT
39142	3353	3	radioactive	radioactive	JJ
39142	3353	4	type	type	NN
39142	3353	5	of	of	IN
39142	3353	6	equilibrium	equilibrium	NN
39142	3353	7	must	must	MD
39142	3353	8	be	be	VB
39142	3353	9	established	establish	VBN
39142	3353	10	,	,	,
39142	3353	11	rather	rather	RB
39142	3353	12	than	than	IN
39142	3353	13	a	a	DT
39142	3353	14	convective	convective	JJ
39142	3353	15	one	one	NN
39142	3353	16	.	.	.
39142	3354	1	Laboratory	laboratory	NN
39142	3354	2	investigations	investigation	NNS
39142	3354	3	of	of	IN
39142	3354	4	the	the	DT
39142	3354	5	very	very	RB
39142	3354	6	short	short	JJ
39142	3354	7	waves	wave	NNS
39142	3354	8	are	be	VBP
39142	3354	9	now	now	RB
39142	3354	10	in	in	IN
39142	3354	11	progress	progress	NN
39142	3354	12	,	,	,
39142	3354	13	bearing	bear	VBG
39142	3354	14	on	on	IN
39142	3354	15	the	the	DT
39142	3354	16	transparency	transparency	NN
39142	3354	17	of	of	IN
39142	3354	18	stellar	stellar	JJ
39142	3354	19	material	material	NN
39142	3354	20	to	to	IN
39142	3354	21	the	the	DT
39142	3354	22	radiation	radiation	NN
39142	3354	23	traversing	traverse	VBG
39142	3354	24	it	-PRON-	PRP
39142	3354	25	;	;	:
39142	3354	26	and	and	CC
39142	3354	27	the	the	DT
39142	3354	28	penetrating	penetrating	NN
39142	3354	29	power	power	NN
39142	3354	30	of	of	IN
39142	3354	31	the	the	DT
39142	3354	32	star	star	NN
39142	3354	33	's	's	POS
39142	3354	34	radiation	radiation	NN
39142	3354	35	is	be	VBZ
39142	3354	36	much	much	RB
39142	3354	37	like	like	IN
39142	3354	38	that	that	DT
39142	3354	39	of	of	IN
39142	3354	40	X	X	NNS
39142	3354	41	-	-	NNS
39142	3354	42	rays	ray	NNS
39142	3354	43	.	.	.
39142	3355	1	The	the	DT
39142	3355	2	opacity	opacity	NN
39142	3355	3	is	be	VBZ
39142	3355	4	remarkably	remarkably	RB
39142	3355	5	high	high	JJ
39142	3355	6	,	,	,
39142	3355	7	explaining	explain	VBG
39142	3355	8	why	why	WRB
39142	3355	9	the	the	DT
39142	3355	10	star	star	NN
39142	3355	11	is	be	VBZ
39142	3355	12	so	so	RB
39142	3355	13	nearly	nearly	RB
39142	3355	14	"	"	``
39142	3355	15	heat	heat	NN
39142	3355	16	-	-	HYPH
39142	3355	17	tight	tight	JJ
39142	3355	18	.	.	.
39142	3355	19	"	"	''
39142	3356	1	Opacity	opacity	NN
39142	3356	2	being	be	VBG
39142	3356	3	constant	constant	JJ
39142	3356	4	,	,	,
39142	3356	5	the	the	DT
39142	3356	6	total	total	JJ
39142	3356	7	radiation	radiation	NN
39142	3356	8	of	of	IN
39142	3356	9	a	a	DT
39142	3356	10	giant	giant	JJ
39142	3356	11	star	star	NN
39142	3356	12	depends	depend	VBZ
39142	3356	13	on	on	IN
39142	3356	14	its	-PRON-	PRP$
39142	3356	15	mass	mass	NN
39142	3356	16	only	only	RB
39142	3356	17	,	,	,
39142	3356	18	and	and	CC
39142	3356	19	is	be	VBZ
39142	3356	20	quite	quite	RB
39142	3356	21	independent	independent	JJ
39142	3356	22	of	of	IN
39142	3356	23	its	-PRON-	PRP$
39142	3356	24	temperature	temperature	NN
39142	3356	25	or	or	CC
39142	3356	26	state	state	NN
39142	3356	27	of	of	IN
39142	3356	28	diffuseness	diffuseness	NN
39142	3356	29	.	.	.
39142	3357	1	So	so	RB
39142	3357	2	that	that	IN
39142	3357	3	the	the	DT
39142	3357	4	total	total	JJ
39142	3357	5	radiation	radiation	NN
39142	3357	6	of	of	IN
39142	3357	7	a	a	DT
39142	3357	8	star	star	NN
39142	3357	9	which	which	WDT
39142	3357	10	is	be	VBZ
39142	3357	11	measured	measure	VBN
39142	3357	12	roughly	roughly	RB
39142	3357	13	by	by	IN
39142	3357	14	its	-PRON-	PRP$
39142	3357	15	luminosity	luminosity	NN
39142	3357	16	,	,	,
39142	3357	17	may	may	MD
39142	3357	18	readily	readily	RB
39142	3357	19	remain	remain	VB
39142	3357	20	constant	constant	JJ
39142	3357	21	during	during	IN
39142	3357	22	the	the	DT
39142	3357	23	entire	entire	JJ
39142	3357	24	'	'	``
39142	3357	25	giant	giant	NN
39142	3357	26	'	'	''
39142	3357	27	stage	stage	NN
39142	3357	28	of	of	IN
39142	3357	29	its	-PRON-	PRP$
39142	3357	30	history	history	NN
39142	3357	31	.	.	.
39142	3358	1	As	as	IN
39142	3358	2	Russell	Russell	NNP
39142	3358	3	originally	originally	RB
39142	3358	4	pointed	point	VBD
39142	3358	5	out	out	RP
39142	3358	6	,	,	,
39142	3358	7	giant	giant	JJ
39142	3358	8	stars	star	NNS
39142	3358	9	of	of	IN
39142	3358	10	every	every	DT
39142	3358	11	spectral	spectral	JJ
39142	3358	12	type	type	NN
39142	3358	13	have	have	VBP
39142	3358	14	nearly	nearly	RB
39142	3358	15	the	the	DT
39142	3358	16	same	same	JJ
39142	3358	17	luminosity	luminosity	NN
39142	3358	18	.	.	.
39142	3359	1	From	from	IN
39142	3359	2	the	the	DT
39142	3359	3	range	range	NN
39142	3359	4	of	of	IN
39142	3359	5	luminosity	luminosity	NN
39142	3359	6	of	of	IN
39142	3359	7	the	the	DT
39142	3359	8	giant	giant	JJ
39142	3359	9	stars	star	NNS
39142	3359	10	,	,	,
39142	3359	11	then	then	RB
39142	3359	12	,	,	,
39142	3359	13	we	-PRON-	PRP
39142	3359	14	may	may	MD
39142	3359	15	infer	infer	VB
39142	3359	16	their	-PRON-	PRP$
39142	3359	17	range	range	NN
39142	3359	18	of	of	IN
39142	3359	19	masses	masse	NNS
39142	3359	20	:	:	:
39142	3359	21	they	-PRON-	PRP
39142	3359	22	come	come	VBP
39142	3359	23	out	out	RP
39142	3359	24	much	much	RB
39142	3359	25	alike	alike	RB
39142	3359	26	,	,	,
39142	3359	27	agreeing	agree	VBG
39142	3359	28	well	well	RB
39142	3359	29	with	with	IN
39142	3359	30	results	result	NNS
39142	3359	31	obtained	obtain	VBN
39142	3359	32	by	by	IN
39142	3359	33	double	double	JJ
39142	3359	34	-	-	HYPH
39142	3359	35	star	star	NN
39142	3359	36	investigation	investigation	NN
39142	3359	37	.	.	.
39142	3360	1	These	these	DT
39142	3360	2	studies	study	NNS
39142	3360	3	of	of	IN
39142	3360	4	radiation	radiation	NN
39142	3360	5	and	and	CC
39142	3360	6	internal	internal	JJ
39142	3360	7	condition	condition	NN
39142	3360	8	of	of	IN
39142	3360	9	the	the	DT
39142	3360	10	stars	star	NNS
39142	3360	11	again	again	RB
39142	3360	12	bring	bring	VBP
39142	3360	13	up	up	RP
39142	3360	14	the	the	DT
39142	3360	15	question	question	NN
39142	3360	16	of	of	IN
39142	3360	17	the	the	DT
39142	3360	18	original	original	JJ
39142	3360	19	source	source	NN
39142	3360	20	of	of	IN
39142	3360	21	that	that	DT
39142	3360	22	supply	supply	NN
39142	3360	23	of	of	IN
39142	3360	24	radiant	radiant	JJ
39142	3360	25	energy	energy	NN
39142	3360	26	continually	continually	RB
39142	3360	27	squandered	squander	VBN
39142	3360	28	by	by	IN
39142	3360	29	all	all	DT
39142	3360	30	self	self	NN
39142	3360	31	-	-	HYPH
39142	3360	32	luminous	luminous	JJ
39142	3360	33	bodies	body	NNS
39142	3360	34	.	.	.
39142	3361	1	The	the	DT
39142	3361	2	giant	giant	JJ
39142	3361	3	stars	star	NNS
39142	3361	4	are	be	VBP
39142	3361	5	especially	especially	RB
39142	3361	6	prodigal	prodigal	JJ
39142	3361	7	,	,	,
39142	3361	8	and	and	CC
39142	3361	9	radiate	radiate	VB
39142	3361	10	at	at	IN
39142	3361	11	least	least	JJS
39142	3361	12	a	a	DT
39142	3361	13	hundredfold	hundredfold	NN
39142	3361	14	faster	fast	RBR
39142	3361	15	than	than	IN
39142	3361	16	the	the	DT
39142	3361	17	sun	sun	NN
39142	3361	18	.	.	.
39142	3362	1	"	"	``
39142	3362	2	A	a	DT
39142	3362	3	star	star	NN
39142	3362	4	is	be	VBZ
39142	3362	5	drawing	draw	VBG
39142	3362	6	on	on	IN
39142	3362	7	some	some	DT
39142	3362	8	vast	vast	JJ
39142	3362	9	reservoir	reservoir	NN
39142	3362	10	of	of	IN
39142	3362	11	energy	energy	NN
39142	3362	12	,	,	,
39142	3362	13	"	"	''
39142	3362	14	says	say	VBZ
39142	3362	15	Eddington	Eddington	NNP
39142	3362	16	,	,	,
39142	3362	17	"	"	''
39142	3362	18	by	by	IN
39142	3362	19	means	mean	NNS
39142	3362	20	unknown	unknown	JJ
39142	3362	21	to	to	IN
39142	3362	22	us	-PRON-	PRP
39142	3362	23	.	.	.
39142	3363	1	This	this	DT
39142	3363	2	reservoir	reservoir	NN
39142	3363	3	can	can	MD
39142	3363	4	scarcely	scarcely	RB
39142	3363	5	be	be	VB
39142	3363	6	other	other	JJ
39142	3363	7	than	than	IN
39142	3363	8	the	the	DT
39142	3363	9	sub	sub	JJ
39142	3363	10	-	-	JJ
39142	3363	11	atomic	atomic	JJ
39142	3363	12	energy	energy	NN
39142	3363	13	which	which	WDT
39142	3363	14	,	,	,
39142	3363	15	it	-PRON-	PRP
39142	3363	16	is	be	VBZ
39142	3363	17	known	know	VBN
39142	3363	18	,	,	,
39142	3363	19	exists	exist	VBZ
39142	3363	20	abundantly	abundantly	RB
39142	3363	21	in	in	IN
39142	3363	22	all	all	DT
39142	3363	23	matter	matter	NN
39142	3363	24	;	;	:
39142	3363	25	we	-PRON-	PRP
39142	3363	26	sometimes	sometimes	RB
39142	3363	27	dream	dream	VBP
39142	3363	28	that	that	DT
39142	3363	29	man	man	NN
39142	3363	30	will	will	MD
39142	3363	31	one	one	CD
39142	3363	32	day	day	NN
39142	3363	33	learn	learn	VB
39142	3363	34	how	how	WRB
39142	3363	35	to	to	TO
39142	3363	36	release	release	VB
39142	3363	37	it	-PRON-	PRP
39142	3363	38	and	and	CC
39142	3363	39	use	use	VB
39142	3363	40	it	-PRON-	PRP
39142	3363	41	for	for	IN
39142	3363	42	his	-PRON-	PRP$
39142	3363	43	service	service	NN
39142	3363	44	.	.	.
39142	3364	1	The	the	DT
39142	3364	2	store	store	NN
39142	3364	3	is	be	VBZ
39142	3364	4	well	well	RB
39142	3364	5	-	-	HYPH
39142	3364	6	nigh	nigh	NN
39142	3364	7	inexhaustible	inexhaustible	JJ
39142	3364	8	,	,	,
39142	3364	9	if	if	IN
39142	3364	10	only	only	RB
39142	3364	11	it	-PRON-	PRP
39142	3364	12	could	could	MD
39142	3364	13	be	be	VB
39142	3364	14	tapped	tap	VBN
39142	3364	15	.	.	.
39142	3365	1	There	there	EX
39142	3365	2	is	be	VBZ
39142	3365	3	sufficient	sufficient	JJ
39142	3365	4	in	in	IN
39142	3365	5	the	the	DT
39142	3365	6	sun	sun	NN
39142	3365	7	to	to	TO
39142	3365	8	maintain	maintain	VB
39142	3365	9	its	-PRON-	PRP$
39142	3365	10	output	output	NN
39142	3365	11	of	of	IN
39142	3365	12	heat	heat	NN
39142	3365	13	for	for	IN
39142	3365	14	fifteen	fifteen	CD
39142	3365	15	billion	billion	CD
39142	3365	16	years	year	NNS
39142	3365	17	.	.	.
39142	3365	18	"	"	''
39142	3366	1	*	*	NFP
39142	3366	2	*	*	NFP
39142	3366	3	*	*	NFP
39142	3366	4	*	*	NFP
39142	3366	5	*	*	NFP
39142	3366	6	Transcriber	Transcriber	NNP
39142	3366	7	's	's	POS
39142	3366	8	Notes	note	NNS
39142	3366	9	:	:	:
39142	3366	10	Obvious	obvious	JJ
39142	3366	11	punctuation	punctuation	NN
39142	3366	12	errors	error	NNS
39142	3366	13	repaired	repair	VBD
39142	3366	14	.	.	.
39142	3367	1	Hyphenation	hyphenation	NN
39142	3367	2	and	and	CC
39142	3367	3	spelling	spelling	NN
39142	3367	4	was	be	VBD
39142	3367	5	standardized	standardize	VBN
39142	3367	6	by	by	IN
39142	3367	7	using	use	VBG
39142	3367	8	the	the	DT
39142	3367	9	most	most	RBS
39142	3367	10	prevalent	prevalent	JJ
39142	3367	11	form	form	NN
39142	3367	12	.	.	.
39142	3368	1	The	the	DT
39142	3368	2	oe	oe	NN
39142	3368	3	ligature	ligature	NN
39142	3368	4	was	be	VBD
39142	3368	5	converted	convert	VBN
39142	3368	6	to	to	IN
39142	3368	7	the	the	DT
39142	3368	8	letters	letter	NNS
39142	3368	9	"	"	''
39142	3368	10	oe	oe	NN
39142	3368	11	"	"	''
39142	3368	12	.	.	.
39142	3369	1	Whole	whole	JJ
39142	3369	2	and	and	CC
39142	3369	3	fractional	fractional	JJ
39142	3369	4	parts	part	NNS
39142	3369	5	of	of	IN
39142	3369	6	numbers	number	NNS
39142	3369	7	are	be	VBP
39142	3369	8	displayed	display	VBN
39142	3369	9	as	as	IN
39142	3369	10	follows	follow	VBZ
39142	3369	11	:	:	:
39142	3369	12	365	365	CD
39142	3369	13	-	-	HYPH
39142	3369	14	1/4	1/4	CD
39142	3369	15	.	.	.
39142	3370	1	Page	Page	NNP
39142	3370	2	Correction	Correction	NNP
39142	3370	3	=	=	SYM
39142	3370	4	=	=	SYM
39142	3370	5	=	=	SYM
39142	3370	6	=	=	SYM
39142	3370	7	=	=	SYM
39142	3370	8	=	=	SYM
39142	3370	9	=	=	SYM
39142	3370	10	=	=	SYM
39142	3370	11	=	=	SYM
39142	3370	12	=	=	SYM
39142	3370	13	=	=	SYM
39142	3370	14	=	=	SYM
39142	3370	15	=	=	SYM
39142	3370	16	=	=	SYM
39142	3370	17	=	=	SYM
39142	3370	18	=	=	SYM
39142	3370	19	=	=	SYM
39142	3370	20	=	=	SYM
39142	3370	21	=	=	SYM
39142	3370	22	=	=	SYM
39142	3370	23	=	=	SYM
39142	3370	24	=	=	SYM
39142	3370	25	=	=	SYM
39142	3370	26	20	20	CD
39142	3370	27	Aa	Aa	NNS
39142	3370	28	=	=	NFP
39142	3370	29	>	>	XX
39142	3370	30	Aya	aya	CC
39142	3370	31	39	39	CD
39142	3370	32	Ulugh	Ulugh	NNP
39142	3370	33	Begh	Begh	NNP
39142	3370	34	=	=	NFP
39142	3370	35	>	>	XX
39142	3370	36	Ulugh	Ulugh	NNP
39142	3370	37	Beg	Beg	NNP
39142	3370	38	46	46	CD
39142	3370	39	Instaurata	Instaurata	NNP
39142	3370	40	Mecanica	Mecanica	NNP
39142	3370	41	=	=	NFP
39142	3370	42	>	>	XX
39142	3370	43	Instauratæ	Instauratæ	NNP
39142	3370	44	Mechanica	Mechanica	NNP
39142	3370	45	58	58	CD
39142	3370	46	Oscillatorium	Oscillatorium	NNP
39142	3370	47	Horologium	Horologium	NNP
39142	3370	48	=	=	SYM
39142	3370	49	>	>	XX
39142	3370	50	Horologium	Horologium	NNP
39142	3370	51	Oscillatorium	Oscillatorium	NNP
39142	3370	52	225	225	CD
39142	3370	53	seceded	secede	VBN
39142	3370	54	=	=	NFP
39142	3370	55	>	>	XX
39142	3370	56	succeeded	succeed	VBD
39142	3370	57	226	226	CD
39142	3370	58	areoplane	areoplane	NN
39142	3370	59	=	=	SYM
39142	3370	60	>	>	XX
39142	3370	61	aeroplane	aeroplane	NN
39142	3370	62	320	320	CD
39142	3370	63	Plate	plate	NN
39142	3370	64	2	2	CD
39142	3370	65	-	-	:
39142	3370	66	Vulpeculæ	vulpeculæ	NN
39142	3370	67	=	=	NFP
39142	3370	68	>	>	XX
39142	3370	69	Vulpecula	Vulpecula	NNP
39142	3370	70	Text	Text	NNP
39142	3370	71	Emphasis	Emphasis	NNP
39142	3370	72	_	_	NNP
39142	3370	73	Text	Text	NNP
39142	3370	74	_	_	NNP
39142	3370	75	-	-	HYPH
39142	3370	76	Italic	Italic	NNP
39142	3370	77	=	=	SYM
39142	3370	78	Text=	text=	NN
39142	3370	79	-	-	HYPH
39142	3370	80	Bold	bold	NN