Question

what is big bang theory ?​

Answer 1

Answer:

The universe started with a massive explosion and this is known as the Big bang theory

Answer 2

Explanation:

The Big Bang is the name that scientists use for the most common theory of the universe, from the very early stages to the present day. The universe began as a very hot, small, and dense superforce (the mix of the four fundamental forces), with no stars, atoms, form, or structure (called a "singularity").