i read up on that recently and IIRC the heat that comes out of earth’s interior is about 0.03% of the total power we get on the surface of earth, the vast majority is from sunlight.
and earth’s interior heat is about half-and-half from primordial heat (from when earth was formed) and from decay of primordial radionuclids and their decay products (basically uranium and thorium decaying)
I think it’s pretty neat that we still retain a bunch of heat in our planet’s core from the time of its formation.
i read up on that recently and IIRC the heat that comes out of earth’s interior is about 0.03% of the total power we get on the surface of earth, the vast majority is from sunlight.
and earth’s interior heat is about half-and-half from primordial heat (from when earth was formed) and from decay of primordial radionuclids and their decay products (basically uranium and thorium decaying)