ELI5. If the Earth’s core is so hot

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I saw this question somewhere else, but if the Earth’s core is so hot, then why are the deepest parts of the Oceans so cold? Shouldn’t they be boiling or at least warmer?

In: Planetary Science

10 Answers

Anonymous 0 Comments

1. Cold water generally sinks

2. The earth is pretty thick, so the bottom of the ocean is just a *tiny* fraction of the distance towards the core

3. A lot of the heat the surface of the earth gains is directly from the sun, not the core, so going down insulates you from that. If the sun were to just disappear, the surface would freeze over.

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