TNPSC Thervupettagam
June 20 , 2018 2221 days 991 0
  • Scientists from Physical Research Laboratory (PRL), Ahmedabad have discovered for first time distant planet revolving around Sun-like star.
  • Both the planet and the star have been named EPIC.
  • The EPIC planet is six times bigger than Earth and mass is about 27 times Earth’s and revolves around host about 600 light years away.
  • EPIC planet is smaller in size compared to Saturn and but is bigger than Neptune. Its 60% mass may be made up of heavy elements like ice, silicates and iron.
  • The planet is unlikely to be inhabitable because of its high surface temperature of around 600°C.
  • EPIC was found circling very close to the Sun-like star, going around it once in about 19.5 days
  • PRL is supported mainly by the Department of Space, whose arm ISRO is.
  • Significantly, the discovery was made using a PRL-designed spectrograph, PARAS, to measure and confirm the mass of the new planet.
  • PARAS is first of its kind spectrograph in the country which can measure the mass of planet going around star.
  • It is integrated with 1.2-metre telescope located at PRL’s Gurushikhar Observatory in Mount Abu, Rajasthan.

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