Science ❯ Astronomy ❯ Planet Formation

Protoplanetary Disks

Hydrocarbon Discovery Chemistry Annular Perturbations Ultraviolet Radiation Water Vapor Icy Pebbles Compact Disks Observations Young Stars Water Distribution Water Influence Chemical Compositions Accretion Planetesimal Formation Protoplanets Planetary System Development James Webb Space Telescope Molecules Gas Dispersal HOPS-315 Planetesimals Chemical Processes HOPS-315 Protoplanetary Disk Observational Techniques Mass Accretion WISPIT 2b

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

Super-stellar carbon-to-oxygen ratios indicate the planet formed in a cold region of its protoplanetary disk before spiraling inward.

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