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Planetary Formation

Protoplanetary Disks James Webb Space Telescope Planetesimals Debris Disks Exoplanets Irregular Moons Ring Formation Satellite Dynamics Planetary Evaporation Planetary Disintegration Disintegrating Planets HOPS-315 Ice Composition Moon Formation Planetary Systems Protoplanetary Discs Transiting Planets Exoplanetary Systems Lunar Dynamics Interstellar Material Direct Imaging Planet Hosts Data Collection Disc Instability Moon Formation Theories Core Accretion Models Primordial Planetesimal Disks Chemical Environment Moon-Moon Mergers Interstellar Comets Star Systems Atmospheric Composition Debris Clouds Stellar Remnants Debris Discs Comet Formation Gas Giants Planetary Collisions Gas and Dust Disks Mini-Earth Planets

Astronomers Tie Distant Star’s Chaotic Fading to Evidence of a Planetary Collision

Multiwavelength data show visible dimming with an infrared spike, signaling hot debris from an impact.

Study Links Titan’s Moon‑Merger Origin to Saturn’s Young Rings

ALMA’s ARKS Survey Delivers Sharpest-Ever Map of 24 ExoKuiper Belts

Astronomers Make First Direct Mass Measurement of a Rogue Planet

Hubble Spots Record-Breaking, Chaotic Planet-Forming Disk ‘Dracula’s Chivito’

Hubble Reveals Largest Known Planet-Forming Disk, 'Dracula’s Chivito'

Hubble Captures Record-Breaking Chaotic Planet-Forming Disk 1,000 Light-Years Away

Hubble Catches Two Debris-Cloud Collisions at Fomalhaut, Recasting ‘Fomalhaut b’

JWST Finds Strong Evidence of a Thick Atmosphere on Molten Super-Earth TOI-561 b

Mineral Condensation Captured in Planet-Forming Disk of Protostar HOPS-315

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