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Planetary Atmospheres

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JWST Maps Comet-Like Helium Escape From Super-Puff Exoplanet WASP-107b

The measurements tie sustained mass loss to a bloated structure likely shaped by inward migration.

JWST Reveals Unexplained ‘Dark Beads’ and Asymmetric Star Pattern Over Saturn’s North Pole

Webb Spots Methane Gas Above Dwarf Planet Makemake

Study Finds Uranus Emits 12.5% More Heat Than It Absorbs

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