Interstellar Comet 3I/ATLAS Is Packed With Alcohol — Indicating That It Formed Beyond Our Solar System 

Comet 3I/ATLAS is making headlines again, this time for its chemistry. New observations show that the interstellar visitor contains an unusually large amount of methanol, a molecule that rarely appears in comets in our Solar System in such high concentrations. Using the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile, astronomers measured methanol in the comet’s…

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