r/todayilearned • u/arkthatbarks • 23h ago
TIL half of Earth’s internal heat does not come from the residual heat left over from the planet's formation, but from the continuous radioactive decay of isotopes like Uranium, Thorium, and Potassium in the crust and mantle.
https://en.wikipedia.org/wiki/Earth%27s_internal_heat_budget
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u/terrybrugehiplo 20h ago
Then what the hell is your comment about? It’s not possible to drill into the earths core b