A high-school astronomy: in which the descriptive, physical, and practical are combined .. (1853)
Mattison, Hiram, 1811-1868 · New York, F. J. Huntingdon [etc.] · leaf 142
ur atmosphere, than an ordinarycloud could pass through the waters of the sea. 295. The form of the comets orbits is generally thatof an ellipse greatly flattened or elongated. The sunbeing near one end of the ellipse, and the planets com-paratively in his immediate neighborhood, the cometsare in… … Here it will be seen that the orbit is very eccentric, that the perihelion point is verynear the sun, and the aphelion point very remote. 296. The tails of comets do not continue of the sameuniform lengtli. They increase both in length andbreadth as they approach the sun, and contract as theyrecede…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
