Science ❯ Astronomy ❯ Exoplanets

Atmospheric Composition

Hydrogen Sulfide Methane Absence Elemental Composition Hydrogen Sulphide Chemical Signatures WASP-121b GJ 9827 d PSR J2322-2650b Sulfur Detection Nitrogen Molecules Metallicity Other Molecules Fluorinated Gases Iron Vapor Hydrogen Sulfide Detection Water Metal-Enriched Atmosphere Water Vapor Detection Heavy Metals Carbon Dioxide Detection

JWST Finds Metal-Poor Atmosphere on Giant Planet Around a Small Red Dwarf

A peer-reviewed JWST study points to a metal-poor sky over a heavy-element-rich interior, prompting a rethink of how giants form around red dwarfs.

JWST Spots Sulfur in HR 8799 c, Strengthening Case for Core Accretion

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