Question

explain Big Bang Theory.....​

Answer 1

The Big Bang theory is that the universe has not always existed. It states that the early universe was hot and dense. As time passed the universe expanded, cooled, and became less dense. The Big Bang theory can explain why the universe looks the way it does.

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Answer 2

Answer:

Big bang theory

The big bang theory states that earlier the world was very hot and dense. As the time passed the universe become cool and less denser

The Big Bang theory can explain why the universe looks the way it does. It explains why distant galaxies are moving away from us, and why the speed that they move away from us is proportional to distance

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