Webb sniffs methane from interstellar Comet 3I/ATLAS

The James Webb Space Telescope has detected methane and carbon dioxide on the interstellar comet 3I/ATLAS. These findings suggest the comet formed in an environment chemically distinct from those within our own Solar System.
Why it matters
Understanding the chemical composition of interstellar objects provides clues about the formation of planetary systems beyond our own.
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The article is a scientific report based on astronomical observations.
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