A compendium of astronomy; containing the elements of the science, familiarly explained and illustrated, with the latest discoveries. Adapted to the use of schools and academies, and of the general reader (1850)
Olmsted, Denison, 1791-1859 · New York, R. B. Collins · leaf 225
n the heavens at N ; and asthe earth moves successively through, C, D, E, F, theplanet will appear to move through O, P. Q, R. B andF are the two points of greatest elongation of the earthfrom the sun as seen from the planet; hence between 268. Describe the apparent motions of Mercury and Venusfrom… … tion gives an apparent motion to the planet in the orderof the signs—that is, the apparent motion given by theearth is direct. But in passing from F to B through A,when the planet is seen in opposition, the apparent mo-tion given to the planet by the earths motion is from Rto N, and is therefore…
Astronomy
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