TNPSC Thervupettagam

Hidden Black Holes

July 15 , 2026 14 hrs 0 min 11 0
  • Astronomers discovered a hidden population of faint, weakly active supermassive black holes in nearby galaxies.
  • The discovery was made using the e-MERLIN (enhanced Multi-Element Remotely Linked Interferometer Network) radio array by an international team including Indian researchers.
  • The team studied 280 nearby galaxies from the Palomar sample and detected compact radio emissions from their centres.
  • The study identified weakly accreting supermassive black holes that are difficult to detect through normal observations.
  • The findings were supported by X-ray data from NASA’s Chandra X-ray Observatory to confirm black hole activity.

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