supermassive black holes

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  Science & Technology

  ARIES Study Tracks Blazar OJ 287 Twin Black Holes for a Decade

  An ARIES Nainital study with 106 scientists from 18 countries tracked blazar OJ 287 for ten years and put its main black hole at 3.89 billion solar masses.

  6 October 2026 · 2 min read