Lessons in astronomy including uranography. A brief intoductory course without mathematics (1896)
Young, Charles A. (Charles Augustus), 1834-1908 · Boston, London, Ginn and company · leaf 213
meterof the planet varies according to the distance from 14 to 20.The planet is more flattened at the poles than any other(nearly -j^), so that while the equatorial diameter is about75,000 miles, the polar is only 68,000: the mean diameter(Art. 112) being not quite 73,000/—a little more than… … Fig. 56. — Saturn and his Rings. § 275J SURFACE, ALBEDO, SPECTRUM. 203 means of its satellites) to be 95 times that of the earth, sothat its mean density comes out only one-eighth that of theearth, — actually less than that of water! It is by far the leastdense of all the planetary family. Its mean…
Astronomy
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