PaulK
Member Posts: 17828 Joined: 01-10-2003 Member Rating: 2.5
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Message 5 of 148 (180773)
01-26-2005 10:10 AM
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Reply to: Message 3 by jar
01-26-2005 10:01 AM
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You missed an obvious one (although it's contribution may be small). Phase changes - as rock goes from molten to solid it will give up heat. IIRC there are some exothermic chemical reactions going on down there, too. And of course the outer layers of the planet act as insulation to some degree.
| This message is a reply to: | | | Message 3 by jar, posted 01-26-2005 10:01 AM | | jar has replied |
| Replies to this message: | | | Message 7 by jar, posted 01-26-2005 10:19 AM | | PaulK has not replied |
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