Wilkins, John H. (John Hubbard), 1794-1861, Duke University. Library. Jantz Collection. German Americana · Boston : Hilliard, Gray and Co. · leaf 36
ittle less than^wo years, at the distanceof 144 millions of miles from the sun ^ and turns on itsaxis in little less than 25 hours. The light reflectedby Mars is remarkably red. Spots and sometimes beltshave been seen on the disk of this planet, some of whichare permanent, and others variable. Some… … Of Vesta, Juno, Pallas, and Ceres. 17 clouds and vapours floating in the atmosphere. Thedegree of heat and hght at Mars is sometliing less than(one half what we enjoy.> Sect. 7. Of Vesta, Juno, Pallas, and Ceres. 30. Next to Mars in the solar system is Vesta. Itwas discoverec/^by Dr. Olbers^j of…
Astronomy
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