Science ❯Physics ❯Thermodynamics

Extreme Environments

High Temperatures High-Temperature Atmospheres

JWST Finds Silicate Vapor and Night-Side Methane on Ultra-Hot Jupiter WASP-121b

These findings reveal vigorous atmospheric currents that challenge existing exoplanet climate models.

JWST spots silicon monoxide and methane in WASP-121b’s atmosphere, revealing its icy origins