The geography of the heavens, and class book of astronomy: (1853)
Burritt, Elijah H. (Elijah Hinsdale), 1794-1838, Mattison, Hiram, 1811-1868, Dick, Thomas, 1774-1857. [from old catalog] · New York, F. J. Huntington [etc.] · leaf 275
ed thousand times larger thanthe Earth, being much less dense, contains a quantity ofmatter only 355,000 times as great, and hence attracts theEarth with a force only 355,000 times greater than that withwhich the Earth attracts the Sun. The quantity of matter in the Sun is 780 times greaterthan… … The Center of Gravity of a body, is that point in whichits whole weight is concentrated, and upon which it wouldrest, if freely suspended. If two weights, one often pounds,the other of one pound, be connected together by a rod elevenfeet long, nicely poised on a center, and then be thrown intoa…
Constellations · Stars
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