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  "path": "/space-exploration/asteroid-comet-missions/nasas-dart-planetary-defense-mission-reveals-asteroids-hurling-cosmic-snowballs-at-each-other",
  "publishedAt": "2026-03-11T12:00:00.000Z",
  "site": "https://www.space.com",
  "tags": [
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  "textContent": "New images from NASA's DART asteroid-smashing mission show space rocks exchanging material in a slow process that reshapes their surfaces over millions of years.",
  "title": "NASA's DART planetary defense mission reveals asteroids hurling 'cosmic snowballs' at each other",
  "updatedAt": "2026-03-11T12:00:00.000Z"
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