The geography of the heavens : and class-book of astronomy : accompanied by a celestial atlas (1860)
Burritt, Elijah H. (Elijah Hinsdale), 1794-1838, Mattison, Hiram, 1811-1868 · New York : Mason Brothers · leaf 184
ken together, shall be exactly equal to one, or anynumber of revolutions of the Earth. In the case of Mercury this ratio will be as 87.969is to 305.256. Whence find that, node months of a planet? The node months of Mercury? 352. When did the last transit of Mercury occur ? When will the next take… … 182 ASTRONOMY. 7 periodical revolutions of the Earth are equal to 29 of Mercury:13 periodical revolutions of the Earth are equal to 54 of Mercury:33 periodical revolutions of the Earth are equal to 13T of Mercury:46 periodical revolutions of the Earth are equal to 191 of Mercury. Therefore,…
Constellations · Stars
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