Artist’s rendering of Proxima b

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Photo Credit: ESO/M. Kornmesser

Proxima Centauri, along with the more distant Alpha Centauri A and B, is seen low on the horizon of the newly discovered planet in this artist’s illustration. Proxima b has a similar mass as Earth and orbits inside the habitable zone of the red dwarf star. As such, it’s year is only 11.2 days. Additionally, the planet it is likely tidally locked to the star, making the prospect of life on the rocky world difficult.