Sark, Samuel M. [from old catalog] · Circleville, Ohio, The author · leaf 29
,000miles ; and its specific gravity only two-thirds. Around Saturn, 20,000 miles above its equator, rises ahuge flat ring. This ring is followed by a second and the H ASTRONOMICAL GEOGRAPHY. second by a third. This system of multiple rings is onlyabout ioo miles thick but it is 160,000 miles in… … Fig. 4.—Saturn and its rings compared as to size with the Earth. The general supposition is that these rings are composedof many little satellites, each moving independently in itsown course around the planet, and being closely packed to-gether, they present the appearance of bright rings. 3.…
Astronomy, Juvenile and popular
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