TNPSC Thervupettagam

Hubble Space Telescope

May 1 , 2020 1544 days 1240 0
  • NASA celebrated its 30 years of launch of Hubble Space Telescope on April 24. 
  • It is one of the longest living Space Telescopes in the world.
  • The telescope has played a crucial role in the discovery of accelerating expansion of the cosmos with the partnership of European Space Agency. 
  • On its 30th anniversary, the Hubble Telescope captured a Cosmic Reef. 
  • The Cosmic Reef is a group of stars.
  • Each star in the group is ten times the size of the sun. 
  • The stars are in a nebula. 
  • Nebula is a giant cloud of gas and dust. 
  • The reef has red colour glowing around. 
  • The red colour comes due to the glowing of nitrogen and hydrogen gas. 
  • The blue colour in the reef is because of the presence of oxygen.

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