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Redeeming India’s Nuclear Power Promise: A Clean Energy Imperative for 2047

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Introduction: A Nuclear Vision for Viksit Bharat@2047 As India marches toward its ambitious goal of becoming a developed nation by 2047, energy security stands as a pivotal pillar in the vision of Viksit Bharat . Amid the global climate crisis and rising energy demands, nuclear power has re-emerged as a compelling solution. India’s commitment to achieving 100 GW of nuclear power capacity by 2047 is both visionary and necessary—but achieving this requires a strategic shift in policy, participation, and international cooperation. While India’s nuclear energy sector has traditionally been a tightly controlled domain under government monopoly—primarily led by the Department of Atomic Energy (DAE) and Nuclear Power Corporation of India Limited (NPCIL) —it is now imperative to welcome private sector investments and foreign partnerships. A reformed nuclear ecosystem can unlock the full potential of atomic energy as a clean, reliable, and scalable contributor to India’s net-zero aspiration...

Discovery of Sub-Saturn Exoplanet Using PARAS-2 Spectrograph

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Discovery of Sub-Saturn Exoplanet Using PARAS-2 Spectrograph



Introduction to the Discovery

  • Scientists at the Physical Research Laboratory (PRL), India, have discovered a new dense exoplanet using the PARAS-2 Spectrograph at Mt Abu Telescope.
  • The newly found exoplanet falls in the Sub-Saturn category, which is a transition region between Neptune-like and gas giant planets.

Understanding PARAS-2 Spectrograph

  • PARAS-2 (PRL Advanced Radial velocity Abu Sky Search) Spectrograph is an advanced high-resolution fiber-fed spectrograph.
  • It is designed to analyze light from distant exoplanets to determine their composition, atmosphere, and movement.
  • It is currently Asia’s highest-resolution spectrograph, ensuring high precision and sensitivity.

Role of Spectrographs in Exoplanet Discovery

  • A spectrograph is an instrument that breaks down light into its spectrum, helping scientists analyze planetary atmospheres, star compositions, and orbital patterns.
  • Using Doppler shift measurements, scientists detect the presence of exoplanets by observing their influence on their host stars.

Significance of This Discovery

  • This discovery expands our understanding of exoplanetary formation and evolution.
  • It confirms that India’s advancements in astronomy and observational technology are competing at a global level.
  • The Sub-Saturn exoplanet bridges the gap between Neptune-sized planets and gas giants, helping astronomers understand planetary classification and development.

Future Prospects

  • The discovery paves the way for further space explorations and study of habitable exoplanets.
  • The PARAS-2 Spectrograph will continue contributing to detecting new exoplanets with greater accuracy.
  • This achievement strengthens India's position in global space research and its role in the search for Earth-like planets.


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