Submitted by ClassicSpurzy t3_11ddl7v in space
ferrel_hadley t1_ja80mn2 wrote
Reply to comment by GXWT in How big was the point of dense energy before the Big Bang? by ClassicSpurzy
Curvature. We cannot see any in the observations we have and that places a lower bound on the size of a closed Universe, we would be able to detect curvature if it were smaller.
Toebean_Farmer t1_ja8eupq wrote
Unless it was flat, which many cosmologists believe it is.
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