September 30, 2011
Messenger of a God

Play it again, Sam: once NASA finally gets a probe close enough to get a good look at a planet, the planet turns out to be much weirder than anyone expected. The latest idea kicking around planetary science is that at least some inner rocky worlds did not form as an aggregate, but rather were the centers of gas giants whose atmosphere has been blown away. It'll be interesting to see how all this new data works with that idea.

Posted by scott at September 30, 2011 08:51 AM

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