Question

about big bang theory​

Answer 1

Hello ❤❤

The universe is believed to be at least 10 billion light years in diameter and contains a vast number of galaxies; it has been expanding since its creation in the Big Bang about 13 billion years ago. ❤❤

Hope it helps you ❤❤

Answer 2

Answer:

Because of this theory our universe is formed.. our earth is formed..

the big bang has happened millions trillions of years ago.. this theory explains about the birth of not our but every solar galaxy.

hope it helps uhh

plz mark it as brainliest