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DuncanS comments on Query the LessWrong Hivemind - Less Wrong Discussion

18 Post author: D_Malik 08 November 2011 09:37AM

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Comment author: DuncanS 10 November 2011 11:30:40PM 2 points [-]

If you started seeing earlier versions of the same part of the universe that you now are standing in at an apparently large distance out in space, you pretty much know the universe is finite. Light travelling all the way around the universe and arriving back where it started would be a large clue that the universe was finite.