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What If The Earth Were Hollow?

What If The Earth Were Hollow?

It's definitely impossible to dig a hole through Earth and jump in. But what if it weren't? If the hole was dug somewhere other than the poles, the spinning of Earth would prevent you from getting very far down. You'd hit the side of the hole and stay there. At the poles, however, gravity would pull you down the hole with the same force for about 3,000 km.

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