1. Three supermassive black holes are going to collide, scientists  9News
  2. Three Supermassive Black Holes Are About to Collide  Futurism
  3. Three supermassive black holes on 'collision course' 1 billion light-years away  Daily Star
  4. Astronomers Have Found a Place With Three Supermassive Black Holes Orbiting Around Each Other  Universe Today
  5. 3 monster black holes are going to collide  Fox News
  6. View full coverage on Google News

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