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Can a planetary core be cold?

Updated: 12/8/2022
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9y ago

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Certainly, a planetary core can be cold. The heat of our own planetary core is the result of radioactive decay of various elements in the core and mantle, but eventually that heat source will be used up, and the residual heat will gradually leak away into space. There could be other planets which never had much or any abundance radioactive content in the first place.

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9y ago
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Q: Can a planetary core be cold?
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