The geography of the heavens and classbook of astronomy; (1863)
Burritt, Elijah H. (Elijah Hinsdale), 1794-1838, Mattison, Hiram, 1811-1868, Whitall, Henry, 1819-1887? Celestial planisphere. [from old catalog] · New York, Mason brothers; Boston, Mason & Hamlin; [etc., etc.] · leaf 190
of the Sun. Consequently she never appears in the eastern horizon more than three hours beforesunrise, nor continues \onger in the western horizon after sunset. Any star or planettherefore, however brilliant it may appear, which is seen earlier or later than this, cannotbe Venus. 369. In passing… … her motion is from west to east, in the order of the signs ; it isthence called direct motion. In passing from her eastern to herwestern elongation, her motion with respect to the Earth isfrom east to west, contrary to the order of the signs ; it isthence denominated retrograde motion. Her motion…
Constellations · Stars
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