TNPSC Thervupettagam

Loktak Protocluster Discovery

May 28 , 2026 14 hrs 0 min 44 0
  • Indian astrophysicist Ronaldo Laishram led an international team that discovered the “Loktak Protocluster”.
  • The galaxy protocluster was formed about 12.6 billion years ago when the Universe was nearly 1.2 billion years old.
  • The structure was named after Loktak Lake in Manipur, the largest freshwater lake in north-eastern India, because the galaxy groups resembled the floating phumdis found in the lake.
  • A protocluster is an early-stage concentration of galaxies that later develops into a massive galaxy cluster containing hundreds or thousands of galaxies.
  • The Loktak Protocluster contains four connected galaxy concentrations and was discovered using the James Webb Space Telescope and the Subaru Telescope.

 

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