Habitable planets around red giants?

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Habitable planets around red giants?

Post by Lazarus on 8th December 2008, 4:37 pm

von Bloh et al. (2008): "Habitability of Super-Earth Planets around Other Suns: Models including Red Giant Branch Evolution"

Massive water worlds are probably the best bet for finding life around evolved stars.
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Re: Habitable planets around red giants?

Post by Edasich on 9th December 2008, 8:55 am

Yes, but at very very wide separations from host stars. And no super-earth (or Neptune-sized) planet has been detected so far in wide orbits (at least >8-10 AUs).
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Re: Habitable planets around red giants?

Post by Sirius_Alpha on 9th December 2008, 9:47 am

That'll probably be a difficult detection, given the low mass of the planet, high separation, and such.

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Re: Habitable planets around red giants?

Post by Edasich on 9th December 2008, 3:10 pm

Indeed gas giants in outer orbits are relatively more probable than terrestrials.
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