Question

define the big bang theory

Answer 1

The Big Bang is a scientific theory about how the universe started, and then made the stars and galaxies we see today. 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").

Answer 2

hey mate,

here is your answer,

Big Bang Theory : The universe originated billions of years ago in an explosion from a single point of nearly infinite energy density.

The old big bang theory as developed by Georges Lemaitre , [George] Gamow and others is based on Einstein's theory of general relativity.

hope this helps you.

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