Question

What is big bang theory?​

Answer 1

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Big Bang Theory:

The Big Bang Theory is the leading explanation about how the universe began.

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.

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Answer 2

Explanation:

it is the longest theory by which we can tell that it has a proof for the evidences of some other historical content it tells about the planet solar system galaxies and other also it tells