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 148
as at P and P it is said to be at its greatest elongation. ASTRONOMY. 31 126. Apparent Motion of an Inferior Pla7iet. — When theplanet is at P, if it could be seen at all, it would appearin the heavens at A. As it moves from P to P\ it willappear to move in the heavens from A to B. Then, as itmoves… … it will appear to move back again from C to A. Thus theplanet will appear to oscillate to and fro across the sun fromB to C, never getting farther from the sun than B on thewest, or C on the east: hence, when at these points, it issaid to be at its greatest western and eastern elongations.This…
Astronomy
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