Telescope Spots Two Black Holes on the Cusp of Merging

New images from the James Webb telescope show a galaxy with a trio of supermassive black holes. Two of them appear to be locked in a tight tango.

The top 3

  1. Heaviest Known Black Holes by Mass: The ultramassive black hole in the Cosmic Horseshoe system boasts a staggering 36 billion solar masses, while TON 618 is estimated at 66 billion solar masses, making them among the largest known.
  2. Closest Black Holes to Earth: Gaia BH1, a dormant stellar black hole, holds the record as the closest known black hole to Earth, situated about 1,560 to 1,600 light-years away in the constellation Ophiuchus.
  3. Fastest Spinning Black Holes: GRS 1915+105 is recognized as the fastest spinning black hole, completing over 1,000 rotations per second, while the supermassive black hole M87 spins at 80% of the cosmic speed limit.

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