Ancient Ocean that covered 1/3 of Mars with Water, A new study conducted by University of Colorado at Boulder scientists. |
Ancient Ocean that covered 1/3 of Mars with Water, A new study conducted by University of Colorado at Boulder scientists. |
Guest_Bobby_* |
Jun 15 2010, 12:33 AM
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Guests |
I found this article about Mars being covered with Water and found it interesting.
June 13, 2010 Here is the article: http://www.colorado.edu/news/r/f9b2e812247...b0735f7098.html |
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Aug 22 2013, 05:52 PM
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Administrator Group: Admin Posts: 5172 Joined: 4-August 05 From: Pasadena, CA, USA, Earth Member No.: 454 |
Regarding Venus, it's better to assume that we are *not* living in a special time in its history. The simplest explanation for its youthful surface age is of a stagnant lid with periodic overturn -- every several hundred million years the cold lithosphere (which is denser than the hot stuff below it) founders and sinks into the mantle, producing a global paroxysm of volcanic activity that wanes and then quiets for a long time until it all happens again. This isn't the only possible explanation, of course, but you have to make a very strong case for an ad-hoc explanation before you can convince people that the uniformitarian explanation is false. This is an odd duck though, a uniform process of repeated catastrophes. I wonder what Hutton would think
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