The study or theory of the origin and development of the universe.
From Greek 'kosmos' (universe, order) + 'genos' (origin, birth), literally 'the birth of the cosmos'.
Ancient cultures developed their own cosmogonies—Babylonian, Egyptian, Hindu, Māori—and remarkably, some included mind-bending ideas about cyclical universes or multiple creations that modern physics is only now taking seriously.
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