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Old 11-04-2009, 06:11 PM
Archy (George)
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Join Date: Aug 2008
Location: Sydney
Posts: 142
[quote=sjastro;432572]Since the Earth is not sufficently massive to cause space-time to curve, the surrounding space is flat and the geometry must be Euclidean.

Is there a critical mass that makes space curved? the closer one gets to a centre of mass no matter how small, the more curved space-time gets. The further one gets from a centre of mass no matter how large, the "flatter" space-time gets.
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