10-11-2006, 08:30 PM
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#21 |
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FFR Player
Join Date: Jul 2005
Age: 42
Posts: 23
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Re: Go
We absolutely know the size of the known universe. That's sorta the definition of "known universe". It's the universe as we know it (not the actual universe).
The size of the known universe is approximately 78 billion light years. |
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