NASA discovers new planet outside the Milky Way

NASA discovers new planet outside the Milky Way

Daily Current Affairs   /   NASA discovers new planet outside the Milky Way

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Category : Science and Tech Published on: October 27 2021

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  • NASA has discovered a new planet outside our galaxy. It is likely that this body may be the first planet to be discovered outside the Milky Way. 
  • So far, about 4000 exoplanets have been discovered but all of them are located within our galaxy.
  • This possible planet was discovered through the Chandra X-ray Telescope. It is located in the Messier 51 galaxy, 2,800,000 light years away from our Milky Way. 
  • The exploration of this planet is based on transit. This planet blocks the light of other stars while orbiting one star.

Important Takeaways

About Galaxy (Milkyway)

  • Age: 13.51 billion years
  • Radius: 52,850 light years
  • Origin of Universe: Big Bang Theory
  • Shape of Milky Way Galaxy: Spiral
  • Time taken by the Sun to revolve around the centre of our galaxy: 25 Crore years
  • Propounded the theory of Black Hole: S Chandrasekhar
  • Brightest star outside the Solar System: Sirius
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