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Is our universe infinite or does it have a boundary? And if yes what is behind that boundary? The universe is "everything that exists" by definition. Together with professor Harald Lesch today we measure the size of the universe. (from: "Faszination Universum - Ohne Limit")
This video is produced by the German television channel ZDF.
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Complete documentary "Faszination Universum - Ohne Limit" ("Fascinating Universe - Without Limits", German only):
www.zdf.de/dokumentation/terr...
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