big bang

noun

: the cosmic explosion that marked the beginning of the universe according to the big bang theory

In 1965 Arno A. Penzias and Robert W. Wilson of the Bell Telephone Laboratories discovered that the space of the universe is bathed with a diffuse radiation that is assumed to persist following the "big bang" expansion of the universe from an original fireball.—

V. L. Ginzburg

compare big crunch, big rip

Examples of big bang in a Sentence

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The faster the rate of expansion, the shorter the time between that big bang and today. —

Marc Kamionkowski, Scientific American, 15 Oct. 2024 True creative expression is posited as a sudden and novel rupture or disruption, a big bang of creativity, rather than a cumulative, collaborative process. —

Charlie Engman, ARTnews.com, 20 Sep. 2024 Even if human life is just a result of a big bang, ascendance from a primordial swamp, and billions of years of evolution, doesn’t nature know better? —

Eleanor Pringle, Fortune, 20 June 2024 Several users described hearing a big bang shortly after takeoff. —

Kira Caspers, The Arizona Republic, 7 June 2024 See all Example Sentences for big bang