Oceans on super-Earths

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Oceans on super-Earths

Post by Lazarus on 6th January 2015, 4:01 pm

Schaefer & Sasselov "The persistence of oceans on Earth-like planets: insights from the deep-water cycle"
http://arxiv.org/abs/1501.00735

Predicting the formation times and lifetimes of oceans on super-Earth planets up to 5 Earth masses. The most massive planets take longer to form their oceans, while smaller planets tend to return the water to the mantle faster.

See also the associated news release.
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Re: Oceans on super-Earths

Post by Stalker on 6th January 2015, 5:13 pm

Implying the super-earth isnt gazeous...

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Re: Oceans on super-Earths

Post by Lazarus on 6th January 2015, 5:16 pm

Well so far it looks like you can get Earth-like compositions up to around 6 Earth masses... Smile
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Re: Oceans on super-Earths

Post by tommi59 on 8th January 2015, 7:20 pm

Kepler 10 c has little more Very Happy
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Re: Oceans on super-Earths

Post by Lazarus on 9th January 2015, 3:29 am

Kepler-10c is not a terrestrial planet though.
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Re: Oceans on super-Earths

Post by tommi59 on 9th January 2015, 6:48 am

But is currently largest rocky super earth with possible oceans might be little too warm Wink and some k 52 b,c,d and 57b next in queue
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