Question

what is big bang theory❓❔❓​

Answer 1

Answer:

This information helps astronomers determine the age of the universe. ... 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

Answer 2

Answer:

This information helps astronomers determine the age of the universe. ... 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.