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Europeans have considered the possibility of a hollow earth for centuries. Plato wrote of huge subterranean tunnels below the Earth's surface. In the 17th century Sir Edmund Halley, of comet fame, was convinced that all heavenly bodies, including the Earth, were hollow. Decades later, a mathematician named Leonhard Euler produced a mathematical proof that the Earth must be hollow.
Well Id say New Mexico, Nevada, and the Arctic would all be very good places to go looking for entrances to secret underground aliens.
Originally posted by silver6ix
reply to post by Essan
This is a discussion board, not a court room.
Originally posted by Man_Versus_AntiMan
Originally posted by silver6ix
reply to post by Essan
This is a discussion board, not a court room.
Oh ok, so that means anyone can make any wild claims they like without question? Cool.
There is enough nonesense on the internet as it is. Be nice to see some substance once in a while.
Originally posted by Man_Versus_AntiMan
reply to post by lordtyp0
Because the centre of gravity is not the centre of the earth but the mass of the crust itself, so there would not be a 'plughole' effect, it would just cling all around it, like a cheap suit. Not sure whether this matches with our observations of the strenth of gravity to mass but thats the hollow earth explanation.
Another question would be 'what about volcanos?'
Originally posted by Man_Versus_AntiMan
reply to post by silver6ix
So people who believe what they read without proof have their eyes and mind open do they?
Just wondering.
Originally posted by lordtyp0
Well, that doesn't match observations with Physics in general. Gravity is at the center of an object, not the outer layer. Part of why I had to laugh. The concept is dis proven by barycenter measurements.
Volcanoes I could see being dismissed as a crustal anomaly (in many way's that is true, but only when considering plate techtonics, which could crimp the hollow world idea).