User:Ansandre
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This is an old revision of this page, as edited by Nuparu (talk | contribs) at 16:11, 5 July 2007 (→Open Hyperboloid Universe). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
The only way the universe could be open with hyperboloid geometry and not cease curving beyond the hyperbola centre would require Space-time curvature to vary in sharpness (which is impossible if I am correct). Here is a diagram I made myself: