• UGI USER
  • Apr 05, 2024
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3D MAP OF UNIVERSE MAY OPEN A WINDOW TO DARK ENERGY

Why in the news?
Innovative mapping of the universe with DESI sheds light on dark energy, offering crucial insights into cosmic expansion dynamics.

source:researachgate

 About Observational Technology:

  • International researchers, including an Indian team led by Shadab Alam from the Tata Institute of Fundamental Research, utilise observations from the Dark Energy Spectroscopic Instrument (DESI).
  • DESI, mounted on the Mayall 4-Meter Telescope in Arizona, captures light from 5,000 galaxies simultaneously, allowing for detailed mapping.
What is Dark Energy Spectroscopic Instrument (DESI)?

  • Purpose: Scientific research instrument for conducting spectrographic astronomical surveys of distant galaxies.
  • Components:
  • Focal Plane: Houses 5,000 fibre-positioning robots.
  • Spectrographs: Bank of instruments fed by the fibres to analyse light spectra.

Source: https://indianexpress.com/article/technology/science/universe-dark-energy-map-mumbai-tata-institute-9251808/#:~:text=An%20international%20team%20of%20researchers,the%20universe%20to%20expand%20uncontrollably.