How big is the Universe?

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socratus commented on this video
How big is the Universe?

Fact
The detected material mass of the Matter in the Universe
is so small (the average density of all substance in the
Universe is approximately p=10^-30 g /sm^3) that it
cannot ‘close’ the Universe and therefore
our Universe as whole is ‘open’, Endless Vacuum

Israel Sadovnik Socratus

Aug
16

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Mar 8, 2007
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