Question

ANSWER QUICK PLZ:How did our universe began -Science

Answer 1

The Big Bang Theory states that the Universe began in a single "explosion," or inflation event from which all of matter-energy and space-time took form. The latest estimates pinpoint this inception moment to have occurred about 13.8 billion years ago.

Step-by-step explanation:

Big Bang theory

Answer 2

The big bang happened

Step-by-step explanation:

Since the Big Bang, the universe has been expanding. In the early years, everything was made of gas. This gas, mostly hydrogen and helium, expanded and cooled. Over billions of years, gravity caused gas and dust to form galaxies, stars , planets, and more. The matter that spread out from the Big Bang developed into everything in the universe, including you. You are made of star stuff!