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by seadan83
681 days ago
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Emitting heat technically. Imagine rocks warmed by a fire or those in a sauna, they cool off very, very slowly. At earths core is a giant chunk of super compressed and super heated lead. I don't recall if the core is the size of the moon, but you could imagine a solid ball of lead for your sauna that is the size of the moon and so hot it would melt if it were not under extreme pressure. |
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