We keep going back and forth about the chances of planets orbiting red dwarfs being habitable.
GJ1252b is evidence for, sadly, at least fewer of them being so. The planet is so close, because this star is so cold, that its atmosphere is being blown off.
No atmosphere = no volatiles = no life. We're more likely to find something in the atmosphere of Jupiter.
Of course, this is just one planet, and we have a lot more research to do. Especially as GJ1252b is, in any case, too close to be habitable based on temperature. It's not even in the habitable zone. But some scientists are, indeed, saying this is a bad sign.
(But what an interesting mining colony...if we could survive the temperatures).
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