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Episode 458: Proxima Centauri's Planets?

Play Jul 4•4:26

At a distance of 4.2 light-years from Earth, Proxima Centauri is just 0.2 light-years from the more-distant binary star Alpha Centauri A+B. These three stars are considered part of the triple-star system that is closest to Earth, although right now Proxima Centauri is the closest of the three stars. Astronomers would like to know if Proxima has any planets around it. Because Proxima is the clos...

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