I understand that the Earth’s core is full of very hot liquid rock, but why is it hot and why does it stay hot?
What is the heat source?
In: Planetary Science
You know how if you rub something against a spring disc/ ball it gets hot? (Imagine brake pads or a baseball). For baseball it’s like 1 second of heat, earth is bigger so it’s more like millions of years.( I have no idea what I’m talking about)
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