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3I/ATLAS: Unusual Interstellar Comet Reveals Deep Space Secrets

3/16/2026

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Summary

Story summary

3I/ATLAS, the third known interstellar object, is passing through our solar system.
The observations used the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile.
Methanol levels in 3I/ATLAS are unusually high, greater than in typical solar system comets.
The findings could reveal the comet's origin and inform our understanding of deep space.

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Story summary

3I/ATLAS, the third known interstellar object, is passing through our solar system.
The observations used the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile.
Methanol levels in 3I/ATLAS are unusually high, greater than in typical solar system comets.
The findings could reveal the comet's origin and inform our understanding of deep space.