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PerspectivePure2169 t1_j5n9b3g wrote

Reply to comment by dukesdj in What are the forces on Earth’s Inner Core that change its speed? by BayRunner

Wouldn' friction with outer layers be a factor here?

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spec2re t1_j5oiof2 wrote

The sun. Electromagnetic forces of our nearest massive fusion generation body are very strong and affect all kinds of things in our planet including earthquakes, weather, and... Rotation speed.

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willirritate t1_j5ob7j2 wrote

Does the extraction of oil take the lubricant out of the equation?

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GodEmperorBrian t1_j5obooj wrote

Like, human extraction of oil? No, we don’t dig up anything that isn’t sitting in the crust of the earth. The mantle, sitting between the crust and the outer core, is something around 75x thicker than the crust. We have no impact on what happens to the core.

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