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  "path": "/science/news-science/hydrogen-missing-matter-in-universe/",
  "publishedAt": "2026-04-14T17:30:00.000Z",
  "site": "https://www.zmescience.com",
  "tags": [
    "News",
    "Space",
    "Atacama Cosmology Telescope",
    "cosmic microwave background",
    "dark matter",
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  "textContent": "It was beginning to get embarassing but vast clouds of hydrogen may finally resolve a cosmic mystery.",
  "title": "Astronomers Say They Finally Found Half the Universe’s Matter. It was Missing In Plain Sight"
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