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Planetary Atmospheres

Chemical Composition Sulfur-rich Atmospheres Methane Detection Molecular Analysis Circumplanetary Disks Methane Chemistry Water Loss Water Presence Habitability Hydrogen Sulfide Atmospheric Escape Phosphine on Venus Formation Theories Transmission Spectroscopy Metallicity Gas Composition Volatile Materials Gas Giants Erosion Giant Planets Element Composition Atmospheric Composition Sulphur Gases Chemical Signatures

JWST Spots Record-Low Metallicity in ‘Forbidden’ Giant Planet’s Atmosphere

The result challenges standard models for how giant planets grow around small red dwarf stars.

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

JWST Helps Reveal Sulfur-Rich Magma-Ocean World L 98-59 d

CHEOPS Reveals 'Inside-Out' Four-Planet System Around Red Dwarf LHS 1903

Nature Study Weighs Four Young V1298 Tau Planets, Revealing Ultra‑Low Densities

Webb Reveals Silicate Clouds and Moon-Forming Disk in YSES-1 System

Saturn-Sized Exoplanet Orbits Record-Low Mass Star, Challenging Formation Theories