The geography of the heavens, and class-book of astronomy: (1858)
Burritt, Elijah H. (Elijah Hinsdale), 1794-1838, Mattison, Hiram, 1811-1868 · New York, Mason brothers · leaf 228
ession. It is obvious from this figure, that the more distant an exterior planet is, and the slowerit moves, the less will be its arc of retrogradation, and the longer will it be retrograding.Neptune appears to retrograde 180 days, or nearly half the year. The following table exhibits the amount of… … The right-hand figure represents Mars as seen at the Cincinnati Observatory, August 5,1845. On the 30th of the same month he appeared as represented on the left. Themiddle mew is from a drawing by Dr. Dick. 461. The telescopic phenomena of Mars afford peculiar interestto astronomers. They behold…
Constellations · Stars
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