Why is Planet Earth habitable? Researchers from USC and Nanjing - TopicsExpress



          

Why is Planet Earth habitable? Researchers from USC and Nanjing University in China have documented evidence suggesting that part of the reason that Earth has become neither sweltering like Venus nor frigid like Mars lies with a built-in atmospheric carbon dioxide regulator -- the geologic cycles that churn up the planets rocky surface. Credit: NASA Goddard Space Flight Center sciencedaily/releases/2014/03/140319143904.htm
Posted on: Fri, 21 Mar 2014 01:06:47 +0000

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