单词	steady state theory
释义	steady state theory noun : a theory in astronomy: the universe has always existed and has always been expanding with hydrogen being created continuously compare big bang theory Example Sentences Recent Examples on the Web Some people believed in the steady state theory, according to which the universe was there forever with an infinite past. Quanta Magazine, 5 Dec. 2018 Word History First Known Use 1948, in the meaning defined above
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