The heavens above: a popular handbook of astronomy (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908 · New York, Chicago, Potter, Ainsworth, & Co. · leaf 47
28 ASTRONOMY. … tial sphere, that it practically makes no difference whetherwe consider a point on its surface, or one at its centre, asthe centre of the celestial sphere. The ecliptic is, therefore,a great circle. The earths orbit lies in the plane of the ecliptic ; but itextends only an inappreciable distance…
Astronomy
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