
NASA’s SPHEREx Spots Interstellar Comet Flaring With Gas and Organic Molecules
NDTV
Infrared view of interstellar comet 3I/ATLAS releasing gas and dust while leaving the solar system.
Infrared view of interstellar comet 3I/ATLAS releasing gas and dust while leaving the solar system. NASA’s SPHEREx telescope has observed interstellar comet 3I/ATLAS unexpectedly brightening as it leaves the solar system. The comet released water vapour, carbon dioxide, and organic compounds months after its closest solar approach. Scientists say the findings provide a rare chemical snapshot of material formed around another star, helping compare planetary ingredients across the galaxy.
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