inflationary universe








noun Astronomy.

  1. a version of the big bang theory in which the universe underwent very rapid growth during the first fraction of a second before it settled down to its current rate of expansion.

noun

  1. a variation of the cosmological big-bang theory in which the early stage of the evolution of the universe is postulated to include a period of accelerated expansion

A period early in the big bang during which the universal expansion proceeded at a much more rapid rate that it did before or since. Cosmologists believe that most of the matter in the universe was created during the period of inflation.

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