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BurningFrog
on Feb 24, 2023
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Earth’s innermost layer is a 644 kilometer wide ba...
Yeah, I've heard that the heat from all the Uranium in the center is a big reason the core is still hot.
hutzlibu
on Feb 24, 2023
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Yes, that is kind of the question in my head: is the core of the earth basically a nuclear reactor? And if not, why not?
evanb
on Feb 25, 2023
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It's not a reactor because the radioactive elements are sparse enough that there's no chain reaction. It's more like an atomic battery.
https://en.wikipedia.org/wiki/Atomic_battery
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