id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
28247	Clerke, Agnes M. (Agnes Mary)	A Popular History of Astronomy During the Nineteenth Century Fourth Edition			.txt	text/plain	223867	15877	68	discoveries of sun-spot and magnetic periodicity and of spectrum Early Views as to the Nature of Sun-spots--Wilson's Observations and Period of Magnetic Disturbance--Sun-spots and Weather--Spectrum 1901--Movements of Sun and Stars--List of Great Telescopes--List of the "apex," or point of direction of the sun's motion, close to the star for if the earth really travelled in a vast orbit round the sun, objects were observed for the first time, besides 3,347 double stars discovered [Footnote 117: _Results of Astronomical Observations made during the [Footnote 204: Observations on Uranus, as a supposed fixed star, went Newton showed that the bodies known as "comets," or _hirsute_ stars, records of sun-spot observations, from the time of Galileo and Scheiner dark-line solar spectrum, certain differences were perceiving, showing Sir John Herschel showed that heat-rays at the sun's surface must [Footnote 755: _The Distance of the Sun from the Earth determined by the	./cache/28247.txt	./txt/28247.txt