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European Teams Says Gliese 581 May be Habitable

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posted on Jan, 14 2008 @ 11:39 AM

In April, a European team announced in Astronomy & Astrophysics the discovery of two new planets orbiting the M star Gliese 581 (a red dwarf), with masses of at least 5 and 8 Earth masses...Last but not least, the report in Astronomy & Astrophysics suggests that the possible habitability of one of these planets is particularly interesting because of the central star, which is a red dwarf, M-type star. About 75% of all stars in our Galaxy are M stars....

...Both studies definitely confirm that Gliese 581c and Gliese 581d will be prime targets for the future ESA/NASA space mission Darwin/Terrestrial Planet Finder (TPF), dedicated to the search for life on Earth-like planets...

Why I bring up this article from 18 Dec now, is because a new article mentions that Astronomers searching for habitable worlds might do best to look for rocky planets several times larger than Earth!

Perhaps there is some scientific explanation for "smaller" ETs involving high-grav planets...

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