Question

define big bang theory​

Answer 1

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.

Answer 2

Explanation:

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.