The NASA/ESA/CSA James Webb Space Telescope has provided the first direct measurements of the chemical and physical properties of a potential moon-forming disc encircling a large exoplanet. The carbon-rich disc surrounding the world called CT Cha B, which is located 625 light years away from Earth, is a possible construction yard for moons, although no moons are detected in the Webb data.
The release, images and videos are available on:
https://esawebb.org/news/weic2521/
Kind regards,
ESA/Hubble/Webb Information Centre
29 September 2025
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