Interstellar Comet 3I/ATLAS: JWST Maps Its Volatiles on the Solar-System Exit

To the point

Led by Matthew Belyakov, astronomers used the James Webb Space Telescope to study interstellar comet 3I/ATLAS as it leaves the solar system, revealing that it carries dust and ices from another star and that methane outgassing increases as it warms, exposing inner icy layers.

Interstellar Comet Reveals Methane on Its Journey through Our Solar System
caltech.edu

Interstellar Comet Reveals Methane on Its Journey through Our Solar System

A new study examines the gas emissions from the third-ever detected interstellar object, comet 3I/ATLAS.