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  "path": "/article/how-much-energy-is-released-when-supermassive-black-holes-collide/",
  "publishedAt": "2026-02-13T11:45:00.000Z",
  "site": "https://www.scientificamerican.com",
  "textContent": "The collision of supermassive black holes shakes the entire cosmos, _hard_",
  "title": "How much energy is released when supermassive black holes collide?"
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