PaulK
Member Posts: 17822 Joined: 01-10-2003 Member Rating: 2.2
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So far as the smaller "terrestrial" planets go, they're not massive enough to hang on to large quantities of hydrogen and helium. So they would have had more, but lost it (and probably didn't "catch" so much as they formed).
This message is a reply to: | | Message 1 by Biophysicist, posted 03-31-2004 1:35 AM | | Biophysicist has not replied |
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