Past calculations made an assumption about Earth's layers that doesn't hold up, meaning if a person dug a tunnel through the planet, they could fall through to the other side quickly, though they could get sucked back in at the other end.
Past calculations made an assumption about Earth's layers that doesn't hold up, meaning if a person dug a tunnel through the planet, they could fall through to the other side quickly, though they could get sucked back in at the other end.
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