Question

how the universe is formed??

Answer 1

there are many theories behind it.some say big bang theory.in which two independent particles is said to have hot each other producing a great amount of energy and thus universe I formed

Answer 2

according to the standard Big Bang model the universe was born during the period of in flat and that be there about 13.7 million year ago like a rapidly expanding balloon ITZ wallet from a size smaller than electron to Nari its current size within 18 fraction of a second