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Multiple Big Bangs

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Multiple Big Bangs

Multiple Big Bangs

Multiple Big Bangs

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  • <iframe src="https://www.npr.org/player/embed/1142346/142346" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

The familiar story is that the universe began with the "Big Bang" and started expanding. Now two cosmologists are proposing that the universe goes through an infinite cycle of "Big Bangs," each followed by expansion and collapse. NPR's Richard Harris has the story.