TNPSC Thervupettagam

Sun’s Corona

June 5 , 2020 1509 days 772 0
  • Scientists have recently discovered tiny flashes of radio light emanating from all over the Sun.
  • It could help in explaining the long-pending coronal heating problem.
  • The data was collected with the help of the Murchison Widefield Array (MWA) radio telescope located in the Western Australia.
  • The Sun’s corona is the outermost part of the Sun’s atmosphere.
  • The corona is usually hidden by the bright light of the Sun’s surface.
  • The corona is about 10 million times less dense than the Sun’s surface.
  • This low density makes the corona much less bright than the surface of the Sun.
  • The corona’s temperature causes its particles to move at very high speeds.
  • These speeds are so high that the particles can escape the Sun’s gravity.

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