cosmogony
noun/kɒzˈmɒɡəni/
/kɑːzˈmɑːɡəni/
[uncountable]- the part of science that deals with how the universe and the solar system beganWord Originlate 17th cent.: from Greek kosmogonia, from kosmos ‘order or world’ + -gonia ‘-begetting’.
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cosmogony