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
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Some people believed in the steady state theory, according to which the universe was there forever with an infinite past.
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Quanta Magazine, 5 Dec. 2018
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Quanta Magazine, 5 Dec. 2018
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“Steady state theory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/steady%20state%20theory. Accessed 7 Feb. 2025.
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