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Through the Center of the Earth Poster

Through the Center of the Earth Poster

$2.50

How long would it take to fall through the Earth to the other side? A lot shorter than you might think if air doesn't interfere. Discover the answer to this question at PhysicsCentral.com - your source for physics fun. Poster size is 24 inches by 18 inches. This item qualifies for free shipping.


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