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Feb 7, 2014 at 10:57 answer added John Rennie timeline score: 3
Feb 6, 2014 at 20:21 history edited Qmechanic CC BY-SA 3.0
added 4 characters in body; edited tags
Feb 6, 2014 at 18:57 answer added Uncle Al timeline score: -1
Feb 6, 2014 at 18:33 comment added Brandon Enright No it's just curvature. For example, the Earth doesn't exert any energy to keep the Moon in orbit. The curvature is such that there isn't any path out.
Feb 6, 2014 at 18:26 history asked Naftuli Kay CC BY-SA 3.0