Physicists detected gravitational waves from four new black-hole mergers – Ars Technica

  1. Physicists detected gravitational waves from four new black-hole mergers  Ars Technica
  2. Gravitational waves: Monster black hole merger detected  BBC News
  3. Ancient black hole collision is the most massive researchers have ever observed  The Verge
  4. Physicists Spot Four Black Hole Collisions, Including the Largest One Ever Recorded  Gizmodo
  5. Scientists detect biggest known black-hole collision  Phys.org
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