. The Americana : a universal reference library, comprising the arts and sciences, literature, history, biography, geography, commerce, etc. of the world. JURA —JURISDICTION tlic large, irregular white spots near the equator make one rotation in 9 hours 50 minutes. As to the constitution of the planet Prof. Hough icludes that the matter at the visible boundary of Jupiter has a density about half that of water(the average density of the planet is timesthat of water). The medium at the boundary isin the nature of a liquid. In it the great redspot and the circular white spots are
. The Americana : a universal reference library, comprising the arts and sciences, literature, history, biography, geography, commerce, etc. of the world. JURA —JURISDICTION tlic large, irregular white spots near the equator make one rotation in 9 hours 50 minutes. As to the constitution of the planet Prof. Hough icludes that the matter at the visible boundary of Jupiter has a density about half that of water(the average density of the planet is timesthat of water). The medium at the boundary isin the nature of a liquid. In it the great redspot and the circular white spots are such a medium all motions would be slowand gradual and the shape and size of an objectwould be very permanent. The equatorial andpolar belts may be located on the surface or atc higher level than the red spot. In middle lati-tudes within 20° of the equator the higheratmosphere carries a layer of dark matter. Inthis envelope are formed the openings that wecall white spots, and by unequal distributionblack spots. The belts may be assumed tobe some sort of vapor of considerable planet is at a high temperature, but notself-luminous. Jura
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