2. This theory suggests that the universe was formed from a single point in space during a cataclysmic explosion about 13.7 billion years ago. This is the currently accepted theory for the origin of the universe and is supported by measurements of background radiation and the observed expansion of space.
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Our universe was born about 13.7 billion years ago in a massive expansion that blew space up like a gigantic balloon. That, in a nutshell, is the Big Bang theory, which virtually all cosmologists and theoretical physicists endorse. The evidence supporting the idea is extensive and convincing.
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