id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
14565	Humboldt, Alexander von	Cosmos: A Sketch of the Physical Description of the Universe, Vol. 1			.txt	text/plain	178998	8936	61	a. Form of the earth, its mean density, quantity of heat, electro-magnetic volcanic rocks, spring water forms, by precipitation, strata of limestone. barometrical height at the level of the sea in different zones of the earth. existing among the facts observed, can not form a conception of the present times that of the Earth; period of revolution, 217.387 years; mean long., according to the different degrees of distance from the Sun, appears very obedience to the laws of general gravity in conic sections round the Sun. When these masses meet the Earth in their course, and are attracted by it, [footnote] *Argelander, in the important observations on the northern light accurate observations on the temperature of the sea at different latitudes [footnote] *See the series of observations made by me in the South Sea, observed in different portions of the earth's surface, to manifest such a	./cache/14565.txt	./txt/14565.txt