JWST just mapped the morning weather on a planet 690 light-years away, and the forecast of sand-like clouds exposed a 100-fold bias in how exoplanet atmospheres have been read for more than a decade - Space Daily

The James Webb Space Telescope has produced something close to a daily weather report for a planet 690 light-years away, and the forecast is strange: cloudy mornings of vaporized rock, clear evenings, and winds racing fast enough to carry sand-like particles …