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Giant Radio Source

Kumari Sonali

Giant Radio Source:

A team led by Indian radio astronomers have reported the discovery of 34 new giant radio sources (GRSs) using the Giant Metrewave Radio Telescope (GMRT).

  • Giant Radio Source are among the largest objects in the Universe.
  • These are powered by a supermassive black hole, typically with a mass ranging from ten million to one billion times that of the Sun.
  • These super black holes release jets of hot plasma and produce massive lobes of radio emissions, spanning much greater distances than the visible size of the galaxy.
  • Astronomers believe that GRSs represent the final stage of radio galaxy evolution due to their enormous sizes.
  • They help in understanding the evolution of radio sources and studying the intergalactic medium that confines the lobes far from the parent galaxy.
  • The study of giant radio galaxies helps scientists comprehend the relationship between black hole activity and the evolution of radio galaxies.
  • It also helps scientists understand more about the distribution and behaviour of matter in the cosmos.

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