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HomeGK & Current AffairsIndian satellite AstroSat detects extreme ultraviolet (UV) light from galaxy

Indian satellite AstroSat detects extreme ultraviolet (UV) light from galaxy


AstroSat, India’s first multi-wavelength satellite, has detected an extreme ultraviolet (UV) light from a galaxy which is 9.3 billion light-years away from Earth, the Inter-University Centre for Astronomy and Astrophysics (IUCAA) said on Monday.



Astrosat is the first multi-wavelength space telescope launched by ISRO from Satish Dhawan Space Centre in 2015. It has a set of five unique X-ray and ultraviolet telescopes. The mission duration was planned for 5 years.

About the IUCAA led global team

  • The discovery of UV light was conducted by a team that consists of scientists from India, Switzerland, France, the USA, Japan, and the Netherlands.
  • The team was led by Dr. Kanak Saha.
  • The news of the discovery was published in an online, peer-reviewed, scientific journal called “Nature Astronomy”.
  • The team observed the galaxy that is located in the Hubble Extreme Deep Field.

Key findings could be made

It will help to find how the dark ages of the universe ended and transition in the light ages took place in the universe.

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