National Large Solar Telescope Latest News
In this year’s Union Budget, the government sanctioned the establishment of two new telescopes namely National Large Solar Telescope and National Large Optical-Near Infrared Telescope to study the sun and the origins of the universe.
About National Large Solar Telescope
- It is a 2-metre aperture solar telescope, coming up in the Merak region near the Pangong Tso Lake.
- Purpose: It is meant to study the sun
- It will operate in the visible and near-infrared wavelengths of the electromagnetic spectrum.
- It will help solar physicists to study the fundamental solar dynamics and magnetism, energetic solar events, and map various space-weather processes having a direct bearing on the Earth and national space assets, like satellites and space launches.
- NLST will serve as India’s third ground-based solar observatory.
- Currently, the Kodaikanal Solar Observatory (in Tamil Nadu, established 1899) and the Udaipur Solar Observatory (in Rajasthan, established 1975) are operational.
Key Facts about National Large Optical-Near Infrared Telescope
- It is a 13.7-metre aperture segmented-mirror telescope which will be built in Hanle.
- In a segmented-mirror telescope, a larger primary mirror comprises highly complex, smaller hexagonal mirror segments.
- It will have 90 smaller segmented mirrors arranged in a fashion that they all collect light but act as one, large mirror.
- It will be one of the world’s largest telescopes operating in the electromagnetic spectrum’s optical-infrared wavelengths.
- Objective: Frontier research on exoplanets, stellar and galactic evolution, and supernovae will be possible, besides looking for clues to trace the origins of the universe.
Source: IE
Last updated on February, 2026
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National Large Solar Telescope FAQs
Q1. What is the primary objective of the NLST?+
Q2. Which organization is leading the NLST project?+







