The Big Bang: The moment when our universe \u2014 everything in existence \u2014 began....Right?
Turns out, it's not quite that simple.
Today, when scientists talk about the Big Bang, they mean a period of time \u2013 closer to an era than to a specific moment. Host Regina Barber talks with two cosmologists about the cosmic microwave background, its implications for the universe's origins and the discovery that started it all.
Interested in more space science? Email us at shortwave@npr.org.
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