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Organic Molecules in Interstellar Comet
February 26 , 2026
17 hrs 0 min
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- NASA’s SPHEREx space telescope detected organic molecules in interstellar comet 3I/ATLAS.
- SPHEREx observed the comet in December 2025 using infrared wavelengths.
- Scientists detected organic molecules such as methanol, methane and cyanide.
- The comet showed increased brightness after passing closest to the Sun due to sublimation.
- Comet 3I/ATLAS was discovered in July 2025 and confirmed as an interstellar object.
- SPHEREx was launched in March 2025 to study the universe in 102 infrared wavelengths.
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