shifting prospects for life on Gliese 581

[url=http://tinyurl.com/2k6vj4]http://tinyurl.com/2k6vj4[/url]

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Scientists earlier this year announced they had found a small, rocky planet located just far enough from its star to sustain liquid water on its surface, and thus possibly support life.

Turns out the scientists might have picked the right star for hosting a habitable world, but got the planet wrong. The world known as Gliese 581c is probably too hot to support liquid water or life, new computer models suggest, but conditions on its neighbor, Gliese 581d, might be just right.

The findings are detailed in the May 25 issue of the journal Astronomy & Astrophysics.

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[ 21 June 2007: Message edited by: 500_Apples ]