Elementary astronomy; a beginner's text-book (1899)
Holden, Edward Singleton, 1846-1914 · New York, H. Holt and company · leaf 357
seen, have so far kept this method from awide utility, which it at first seemed to promise. 36. Saturn and its System.—Saturn is the most distantof the major planets known to the ancients. It revolvesaround the Sun in 29£ years, at a mean distance of about886,000,000 miles. The equatorial diameter… … Fig. 184.—Drawing of Saturn made at the Lick Observa-tory, January 7, 1888. THE PLANET SATURN. 333 Jupiter, for the ellipticity of the disk. The mass of theplanet is only 95 times the mass of the Earth, though itsvolume is 760 times greater. The force of gravity at itssurface is only a little…
Astronomy
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