Question

how did the universe begin..??​

Answer 1

Explanation:

According to the standard Big Bang model, the universe was born during a period of inflation that began about 13.8 billion years ago. Like a rapidly expanding balloon, it swelled from a size smaller than an electron to nearly its current size within a tiny fraction of a second.

Answer 2

THERE WAS A INCIDENT KNOW AS BIG BANG WHICH TOOK PLACE THIS IS HOW IT BEGAN.