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Can a closed universe expand forever? 
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#1
Nov1013, 02:58 PM

P: 6

Most say that a closed universe would collapse. Recent observations show that the universe will probably keep on expanding forever. Does this mean we cannot live in a closed universe? Or, is there a loop hole which allows a closed universe to expand forever?



#2
Nov1013, 03:25 PM

Sci Advisor
P: 6,077

It depends on the geometry of the universe. 2d analog: blow up a balloon and the surface can expand forever (unless it breaks).



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