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These observations by NASA’s SPHEREx show the infrared light emitted by the dust, water, organic molecules, and carbon dioxide contained within comet 3I/ATLAS’s coma during the mission’s December 2025 campaign.

NASA’s SPHEREx Examines Comet 3I/ATLAS’s Coma

These observations by NASA’s SPHEREx show the infrared light emitted by the dust, water, organic molecules, and carbon dioxide contained within comet 3I/ATLAS’s coma during the mission’s December 2025 campaign.

Image Credit: NASA/JPL-Caltech
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