Lockyer, Norman, Sir, 1836-1920 · London : Macmillan and Co. · leaf 146
ate of 467 miles a minute, instead of 17 as onthe Earth. We can easily understand that this rapidrotation would break the cloudy surface into belts morethan with us, or as is the case of Mars ; in the latterplanet, indeed, no trace of cloud-belts has as yet beendetected; their absence is perhaps… … THE SOLAR SYSTEM. 113 Mars and the Earth, whose atmospheres are nearly ahke,have nearly the same densities (Art. 145^ while, in the caseof Jupiter and Saturn—the belts of which latter planet,as far as we can observe them, resemble Jupiters—thedensity, as calculated on the idea that what we see is…
Astronomy · Solar system
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