"The Natural Philosopher" wrote in message
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8

Are you saying now that the earth has a nuclear reaction going on at its
centre, and that's the reason it's pretty warm down there?



Yes, and no, that's not the only reason. Not even the biggest reason. Of
course it has nuclear reactions going on down there..where else would all
the radon come from? and all the uranium is still decaying whether we use
it in reactors or not.

You do know that there is a difference between radioactive decay and
fission?