Explain big bang

1.	Explain big bang
Answer» The Big Bang Theory is the leading explanation about how the universe began. At its simplest, it says the universe as we know it started with a small singularity, then inflated over the next 13.8 billion years to the cosmos that we know today. The Big Bang theory is a cosmological model of the observable universe from the earliest known periods through its subsequent large-scale evolution.\xa0

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