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 182
when taken 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 365.256. Whence find that, node months of a planet? The node months of Mercury? 352. When did the lasttransit of Mercury occur? When will the next… … SQVTH 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 137 of Mercury:46 periodical revolutions of the Earth are equal to 191 of Mercury. Therefore,…
Constellations · Stars
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.