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The sun may have stripped away meters of interstellar comet 3I/ATLAS

Image: Phys.org

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  • Phys.org · October 20, 2026 12:10
    The interstellar comet 3I/ATLAS brought material from another planetary system within reach of our telescopes, but reading its chemistry poses a problem. Energetic particles encountered during its journey through space may have changed its outer layers, so how much of what astronomers detect still…