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big bang noun

  • (astrophysics) An explosion giving rise to a universe.
 Μεγάλη Έκρηξη

Big Bang properNoun

  • (cosmology) The cosmic event that marks the beginning of time and the rapid expansion of space for the visible universe. The evolution of the universe since that beginning point is described by the Big Bang Theory.
 Μεγάλη Έκρηξη
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