Federal research center
Appears in 1 story · Last updated Sep 9, 2026
As of September 2026: U.S. partner in ALMA; lead authors of the study
3I/ATLAS is only the third object ever confirmed to pass through our solar system from another star system. New ALMA observations show it is one of the most methanol-rich comets ever measured, with alcohol-to-hydrogen-cyanide ratios of roughly 70 and 120.
Updated Sep 9
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