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Gliese 581 g first rocky exoplanet that could host life-Looking Like an EYEBALL?

17 Jan 2011, 03:27 UTC
Gliese 581 g first rocky exoplanet that could host life-Looking Like an EYEBALL?
(200 words excerpt, click title or image to see full post)

Astronomers have found the first alien world that could support life on
its surface. It is both at the right distance from its star to
potentially harbour liquid water and probably has a rocky composition
like Earth. The planet orbits a dim red dwarf star 20 light years from Earth called
Gliese 581. Four planets were already known around the star, with two
lying near the inner and outer edges of the habitable zone, where liquid water – and therefore potentially life – could exist on its surface.Raymond Pierrehumbert at the University of Chicago examined the range of climates that Gliese
581 g might have and found one that would have a pool of water on one
side, making it look like an eyeball. Even if further observations
disprove the existence of Gliese 581 g, the work could help determine
the habitability of exo-Earths still to be discovered.

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