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Proxima Centauri b is our closest known habitable-zone exoplanet, just over four light-years away, and it may be warm enough for liquid water if it has kept an atmosphere. But that “if” is enormous: its red-dwarf star blasts it with extreme radiation stro

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From the article

Proxima Centauri b has a claim no other known exoplanet can match. It orbits the nearest star to the Sun, just over four light-years away, and it sits in the kind of orbit where liquid water could exist on a rocky surface. That is the hopeful version. The harder version is that almost everything important […] The post Proxima Centauri b is our closest known habitable-zone exoplanet, just over four light-years away, and it may be warm enough for liquid water if it has kept an atmosphere. But that “if” is enormous: its red-dwarf star blasts it with extreme radiation strong enough, in some models, to strip an Earth-like atmosphere away. appeared first on Space Daily .
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