Question

What wás Big Bang theory .. pls do not copy and paste from Google.​

Answer 1

HEY MATE HERE IS YOUR ANSWER :

Scientists have shown that the universe is getting bigger and bigger like a balloon being blown up .
Astronomers found that the universe was expanding . So they put forward a story to explain how the universe originated . They believe that about 15 billion years ago all the matter in the universe was gathered into a single mass .Suddenly the mass exploded , sending particles flying in all directions .These particles from the galaxies with their stars and planets .These Galaxies are still flying from each other because of the explosion .
This is called Big Bang Theory .......☄☄☄