The Big Bang is the theory that explains how the universe began.
Sources:
Dictionary.com
Big History Project
According to dictionary.com the Big Bang is defined as "a theory that deduces a cataclysmic birth of the universe (big bang)from the observed expansion of the universe, cosmic background radiation, abundance of the elements, and the laws of physics."
The Big Bang basically states that the universe began as.....
Sources:
Big History Project
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