I have read that the Earths internal heat is due to radioactive materials decaying.
Talking to someone on althor board, there is the claim that:
there is a lot of dynamics involved - kinetic energy, gravitational forces, torques, shears, etc in the flows all of which gets converted into heat through friction.
Do these produce any appreciable amount of energy?
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By "gravitational forces" does this person include residual heat from the collapse/collision of a bajillion dust particles and clumps of rock and debris in the formation of this little planet of ours?
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Mayabird wrote:By "gravitational forces" does this person include residual heat from the collapse/collision of a bajillion dust particles and clumps of rock and debris in the formation of this little planet of ours?
I would presume they mean tidal heating.
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