Interstellar Comet 3I/ATLAS Shows Methanol-Rich Chemistry

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Source: BBC Sky at Night Magazine
Interstellar Comet 3I/ATLAS Shows Methanol-Rich Chemistry
Photo: BBC Sky at Night Magazine
TL;DR

ALMA observations reveal the interstellar comet 3I/ATLAS is unusually methanol-rich, with methanol originating from both the nucleus and coma. This chemical fingerprint suggests formation under conditions different from those of Solar System comets and provides a glimpse into the chemistry of distant star systems, with more interstellar visitors anticipated as powerful observatories come online.

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