This Alien Planet Has Rock Clouds That Vaporize Before Sunset

Johns Hopkins University
JWST has revealed a surprising daily cloud cycle on a distant hot Jupiter, giving scientists a clearer look at its atmosphere. On WASP-94A b, the forecast changes fast. Clouds made from rock-forming minerals gather in the planet’s morning skies, then vanish by evening as the atmosphere sweeps into hotter territory. This world is a hot [...]