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Jun 11, 2018 at 6:36 answer added Abhimanyu Pallavi Sudhir timeline score: 0
Jun 11, 2018 at 4:04 history closed John Rennie special-relativity Duplicate of Symmetrical twin paradox in a closed universe
Jun 11, 2018 at 3:36 answer added JEB timeline score: 0
Jun 11, 2018 at 3:13 review First posts
Jun 11, 2018 at 3:28
Jun 11, 2018 at 3:08 history asked user198045 CC BY-SA 4.0