A high-school astronomy: in which the descriptive, physical, and practical are combined .. (1859)
Mattison, Hiram, 1811-1868 · New York, Mason brothers · leaf 56
iptic seems torevolve. As the ecliptic and equinoctial are not in the same plane, their poles do not coincide,or are not in the same points in the heavens. The cause of this variation will be ex-plained hereafter. 86. The Zodiac is an imaginary belt 16° wide, viz.,8° on each side of the ecliptic,…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.