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A *second* possible planet for Proxima Centauri!

3 Apr 2020, 13:00 UTC
A *second* possible planet for Proxima Centauri! NASA, ESA, and G. Bacon

The closest star in the Universe to the Sun is Proxima Centauri. It's a red dwarf: Tiny, cool, faint, orbiting a pair of more Sun-like stars we collectively call Alpha Centauri. Unremarkable, even more so for being one of hundreds of billions of such stars in our Milky Way alone. Were it not so close to us — a mere 4.244 light years away, in a galaxy 120,000 light years across — we'd hardly pay it any attention.

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