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Big Bounce
The Big Bounce is a hypothetical scientific model of the formation of the known universe. It is implied by the ''cyclic model'' or ''oscillatory universe'' interpretation of the Big Bang where the first cosmological event was the result of the collapse of a previous universe.〔 Referring to 〕
== History ==
Big bounce models have a venerable history and were endorsed on largely aesthetic grounds by cosmologists including Willem de Sitter, Carl Friedrich von Weizsäcker, George McVittie and George Gamow (who stressed that "from the physical point of view we must forget entirely about the precollapse period"). The phrase itself, however, did not appear in the scientific literature until 1987, when it was used in the title of a pair of articles (in German) in ''Stern und Weltraum'' by Wolfgang Priester and Hans-Joachim Blome. It reappeared in 1988 in Iosif Rozental’s ''Big Bang, Big Bounce'', a revised English translation of a Russian book (by a different title), and in a 1991 article (in English) by Priester and Blome in ''Astronomy and Astrophysics''. (The phrase apparently originated as the title of a novel by Elmore Leonard in 1969, a few years after increased public awareness of the Big Bang model in the wake of the discovery of the cosmic microwave background by Penzias and Wilson.)
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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