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Nature video: The exoplanet next door


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Astronomers have discovered evidence of a small, rocky planet orbiting our nearest star – and it may even be a bit like Earth. Nobody knows whether the planet, called Proxima b, could ever sustain life. The little planet orbits our sun’s nearest neighbouring star, Proxima Centauri, making it the closest exoplanet ever found.

More on the discovery, Proxima b: A Earth-like planet discovered right next door.