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by orra
1029 days ago
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> today’s observable universe is roughly 13.8B years. By the time you travel to the edge of that universe Careful. That's the age of the observable universe, not the size. The radius of the observable universe is 47B light years, which is larger because of inflation. > Therefore you never get to that edge, making it infinite. FWIW, I disagree with the conclusion. Finite but expanding fast is not infinite (disclaimer: mathematician not a physicist). |
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