The geography of the heavens, and class book of astronomy: (1849)
Burritt, Elijah H. (Elijah Hinsdale), 1794-1838, Dick, Thomas, 1774-1857. [from old catalog] · New York, Huntington & Savage · leaf 241
e is inclined to the echpticin an angle of 31°. In consequence of this obliquity of position, they al-ways appear elliptical to us, but with an eccentricity so variable as to ap-pear, occasionally, like a straight hne drawn across the planet; in whichcase they are visible only by the aid of… … am/ <^,
Constellations · Stars
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
