Proxima b’s chances of hosting life may have just dropped

Artist's impression of Proxima Centauri seen from the surface of Proxima b

A new NASA study has poured another bucket of cold water on hopes of one day discovering life on the closest exoplanet ever discovered – the Earth-sized world Proxima b, which is thought to orbit in the habitable zone of the red dwarf Proxima Centauri. A computer model is now asserting that the atmosphere of the exoplanet could have long since been destroyed by the intense levels of radiation emitted by the parent star.

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