May 31, 2011
No Harsh Mistress Required

By using detailed numeric simulations, a group of scientists is contesting the idea that a planet needs a big moon to make its climate stable enough for life. Because the shifting axial tilt caused by such "moon-less" planets would happen on the scale of billions of years, the reasoning goes, life would have plenty of time to adapt to the changes. Per usual, the idea is contested.

Posted by scott at May 31, 2011 04:46 PM

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