The Procession of Planets a Radical Departure From Former Ideas of the Processe
The Procession of Planets a Radical Departure From Former Ideas of the Processe
Franklin Hermann Heald
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We actually find, however, that Venus is cooler than the earth (which certainly proves it to be older) and THE PROCESSION OF PLANETS 75 that Mars is hotter than the earth, which also proves it to be younger. As a molten planet cools it must form a crust; and as the crust thickens, the planet contracts and mountains necessarily rise upon the surface. They could not do so on a planet that had no crust, nor on a planet with a very thin crust. What, then, is evi- dent when we compare these three pl...anets in respect to mountains! First, we find Mars, 141, 000, 000 miles from the sun, with absolutely no mountains; almost a level plane with the exception of what are called its inland seas. It has not and can have no large in- land seas until its crust is thick enough to contract and form mountains and its water can fall to the surface and gather into large bodies. Next we find the earth (93, 000, - 000 miles from the sun) with mountains as high as 30, - 000 feet and a crust not yet thick enough to confine all its inside molten matter.
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