Seems the JWST is so good it has detected water...26 light years away. Associated with a rocky planet. One that should not be habitable because it's too hot, tidally locked...basically Mercury. Which could suggest an atmosphere. Which shouldn't be possible.
But there's another explanation.
The water vapor is actually on the star. Wait, what? Even on our sun, in cool sunspot regions, there's traces of water. The star concerned is a red dwarf, so it's cooler, so it may have its own water.
But either way, that's a pretty huge achievement for the technology.
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