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  "path": "/astronomy/comets/interstellar-invader-comet-3i-atlas-formed-in-a-world-much-colder-than-the-solar-system",
  "publishedAt": "2026-04-23T16:03:27.000Z",
  "site": "https://www.space.com",
  "tags": [
    "Comets",
    "Astronomy",
    "Solar System"
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  "textContent": "\"Each interstellar comet brings a little bit of its history, its fossils, from elsewhere.\"",
  "title": "Interstellar invader comet 3I/ATLAS formed in a world much colder than the solar system"
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