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Strange Universe: Looking for Nearby Extraterrestrials 12/18/22

The public is obsessed with planets beyond our solar system. One team announced finding a planet orbiting the nearest star system, Alpha Centauri, with the putative planet orbiting Alpha’s companion, the much smaller and dimmer star known as Proxima. Its nearness at only 4.2 light-years has generated excited talk about sending a space probe.

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