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Big bang – Space science – Physics

By |2018-04-24T14:22:12+00:00August 17th, 2017|Physics, When|

Inside stars (like our Sun) there are fusion reactions. Stars got started after the Big Bang. The Big Bang was the very beginning of our Universe, and it probably happened about 13.73 billion years ago, because that's how old the oldest stars are, and we think that stars began to form almost immediately after the Big Bang. Nobody [...]