TNPSC Thervupettagam

Most distant radio galaxy

August 15 , 2018 2293 days 947 0
  • Astronomers, from Pune, used an Indian telescope, Giant Metrewave Radio Telescope (GMRT), and discovered the most distant radio galaxy ever known.
  • It is located at a distance of 12 billion light-years. Radio galaxies are very rare objects in the universe.
  • The radio galaxy belongs to a time when the universe was only seven per cent of its current age.
  • GMRT is an array of thirty fully steerable parabolic radio telescopes of 45 metre diameter.
  • It is operated by the National Centre for Radio Astrophysics.
  • The distance to this galaxy was then determined using the Gemini North telescope in Hawaii and the Large Binocular Telescope in Arizona.

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