Hollow Earth
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The UnMuseum - The Hollow Earth
Some people claim UFOs come from the center of the Earth(Copyright Lee Krystek 1997 ) The Hollow Earth Perhaps some of the most bizarre scientific theories ever considered were those concerning the possibility that the Earth was hollow. One of the earliest of these was proposed in 1692 by Edmund Halley. Edmund Halley was a brilliant English astronomer whose mathematical calculations pinpointed ...
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