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3I/ATLAS came from a strange, cold world

  • Posted on May 8, 2026
  • By Astronomy
  • 0 Views
  • 1 min read
3I/ATLAS came from a strange, cold world
3I/ATLAS came from a strange, cold world

New analysis of ALMA observations of interstellar comet 3I/ATLAS show its water carries a chemical signature pointing to a colder, more distant origin than any comet ever measured.
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Author
Astronomy

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