A decade among the stars: India’s first space observatory AstroSat completes 10 years | Current Affairs | Vision IAS

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A decade among the stars: India’s first space observatory AstroSat completes 10 years

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AstroSat: A Decade of Space Observation

AstroSat, India's first dedicated Space Astronomy Observatory, celebrated its 10th anniversary on September 28, 2025, marking a significant milestone in space research.

Launch and Mission Life

  • Launched on September 28, 2015, by the PSLV-C30 (XL) rocket from Satish Dhawan Space Centre, Sriharikota.
  • Originally designed for a mission life of five years, it continues to operate, providing valuable data even after a decade.

Scientific Contributions

  • AstroSat is a multi-wavelength space observatory with five payloads.
  • Significant discoveries include: 
    • Observations from black holes to neutron stars.
    • First-time detection of FUV photons from galaxies 9.3 billion light-years away.
    • Insights across the electromagnetic spectrum from UV/Visible to high-energy X-rays.

Payloads Onboard

  • Five scientific payloads to observe various regions of the electromagnetic spectrum: 
    • Ultra Violet Imaging Telescope (UVIT)
    • Large Area X-ray Proportional Counter (LAXPC)
    • Cadmium–Zinc–Telluride Imager (CZTI)
    • Soft X-ray Telescope (SXT)
    • Scanning Sky Monitor (SSM)

Collaborative Efforts

  • Developed by ISRO with contributions from major Indian astronomy institutions: 
    • Inter University Centre for Astronomy and Astrophysics (IUCAA), Pune
    • Tata Institute of Fundamental Research (TIFR), Mumbai
    • Indian Institute of Astrophysics (IIAP) and Raman Research Institute (RRI), Bengaluru
  • Involvement of universities in India and institutions from Canada and the UK.
  • Tags :
  • AstroSat
  • d Space Astronomy Observatory
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