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  "path": "/astronomy/astronomers-unveil-largest-3d-map-yet-of-hydrogen-light-in-the-early-universe-illuminating-hidden-cosmic-structures",
  "publishedAt": "2026-03-05T15:03:16.000Z",
  "site": "https://www.space.com",
  "tags": [
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  "textContent": "Astronomers have unveiled one of the most ambitious maps yet of the early universe, revealing a vast \"sea of light\" between galaxies that had remained otherwise hidden in previous surveys.",
  "title": "Astronomers unveil largest 3D map yet of hydrogen light in the early universe, illuminating 'hidden' cosmic structures",
  "updatedAt": "2026-03-05T15:12:37.000Z"
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