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steady state theory

noun

Definition of steady state theory

: a theory in astronomy: the universe has always existed and has always been expanding with hydrogen being created continuously — compare big bang theory

Examples of steady state theory in a Sentence

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, "On the Best Use of Science to Safeguard Humanity," 5 Dec. 2018

First Known Use of steady state theory

1948, in the meaning defined above

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