Question

about big bang theory​

Answer 1

Answer:

Aloha !

$\text { This is Sweety Adihya }$❤️

The explanation of origin of earth is known as big bang theory.

There is no atmosphere on the earth before big Bang theory.

Hope it will help you

@ Sweety Adihya

←(>▽<)ﾉ

Answer 2

Answer:

$This \: theory \: was \: stated \: by \: galileo \\ . It \: stated \: that \: the \: world \: was \: started \: by \: an \: explosion. \\ Then \: all \: planets \: and \: stars \: started \: to \: form \: nebula \: clouds. \\ This \: explosion \: was \: named \: as \: Big \: bang.$