An exoplanet with a daytime temperature hot enough to vaporize iron has methane on its nightside because of an atmospheric circulation that should not be able to exist at that heat - Space Daily

An exoplanet with a daytime temperature hot enough to vaporize iron has methane on its nightside because of an atmospheric circulation that should not be able to exist at that heat Space Daily Hot world WASP-121 b, where water breaks down Universe Space Tech JWST finds rare planet with different atmospheric conditions at dawn and dusk The Brighter Side of News Atmospheric asymmetries in WASP-121 b revealed by rotational transits detected with JWST Nature