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JWST Discovers Moon-Forming Carbon Disk Around Exoplanet CT Cha b

10/2/2025

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Summary

Story summary

James Webb Space Telescope (JWST) observed a carbon-rich disk around exoplanet CT Cha b, 625 light-years away.
The disk may be a moon-forming zone and contains acetylene and benzene, though no moons are detected.
CT Cha b orbits a star 2 million years old, about 46 billion miles from its host.
Researchers will study similar disks to understand their evolution.

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Story summary

James Webb Space Telescope (JWST) observed a carbon-rich disk around exoplanet CT Cha b, 625 light-years away.
The disk may be a moon-forming zone and contains acetylene and benzene, though no moons are detected.
CT Cha b orbits a star 2 million years old, about 46 billion miles from its host.
Researchers will study similar disks to understand their evolution.