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Sep 6, 2014 at 20:11 comment added HDE 226868 Assuming @Aaron is right (and I have no reason to think otherwise), someone could have found 23 billion light-years by assuming that 46 billion light-years was a diameter, and not a radius.
Sep 6, 2014 at 16:26 answer added Aaron timeline score: 3
Sep 6, 2014 at 16:19 comment added Aaron Please cite sources that list each of these distances.
Sep 6, 2014 at 14:44 review First posts
Sep 6, 2014 at 16:36
Sep 6, 2014 at 14:43 history asked Lily CC BY-SA 3.0