big bang n. (Astron.) The explosive event marking the beginning of the known universe, according to big bang theory; the beginning of time. Note: The big bang is likened to a massive explosion from a point containing all of the matter and energy of the beginning universe, which started the expansion and evolution of the universe which continues today. The evidence for such an event includes the apparently expanding size of the present universe, and a background microwave radiation of about 3° Kelvin, equal to that predicted from mathematical models of such an explosive event.
... "But you didn't have to go and vanish right under that Fed's nose. You been beating it into our heads not to do that sort of stuff ever since we first found out we could make this vanishing bit. And then you go and do it in front of a Fed. Sure, you got a big bang out of it, but is it ... — The Impossibles • Gordon Randall Garrett Read full book for free!
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