Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families (1878)
heet of letter-paper. Yet these rings, accord-ing to Herschel, are composed of solid opaque matter, and probably areinhabited. A third ring, interior to those above described, was discovered in1850, by Mr. Bond, of Cambridge, Massachusetts. To the inhabitants of Saturn these rings appear like vast… … 853. Figure 11.—Distances of the satellites from theirprimaries.—This figure represents the distances of the satellitesfrom their primaries, measured in semi-diameters of the latter. ASTRONOMY. 439 The line at the top represents the distance of the moon from theearth as being 60 times as far as the…
Physics · Astronomy
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