Astronomy for the use of schools and academies (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908, Rolfe, W. J. (William James), 1827-1910 · New York : Potter, Ainsworth, & Co. · leaf 22
ASTRONOMY. 5 … circle. MM\ situated half way between the poles of asphere, is called the equator of the sphere. Every great circle of a sphere has two poles. These arethe two points on the sur-face of the sphere which lie900 away from the circle.The poles of a sphere arethe poles of its equator. 2. The Celestial…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
