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17 08, 2017

Big bang – Space science – Physics

By |2019-02-13T20:55:59-07:00August 17th, 2017|Physics, When|0 Comments

Inside stars (like our Sun) there are fusion reactions. Stars got started after the Big Bang. What was 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 [...]