Giant Radio Source

About Giant Radio Source: 

• The Giant Radio Sources are among the largest objects in the Universe.
• These are powered by a super massive 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 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.
• Significance
  • 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 to comprehend the relationship existing between the black hole activity and evolution of radio galaxies.
  • It also helps scientists understand more about the distribution and behaviour of matter in the cosmos.

Q1: What is the Giant Metrewave Radio Telescope (GMRT)?

GMRT is a low-frequency radio telescope that helps investigate various radio astrophysical problems ranging from nearby solar systems to the edge of the observable universe.

Source: Indian astronomers discover 34 new giant radio sources

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