Recently India commissioned its first liquid mirror telescope at

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Himachal Pradesh

Uttarakhand

Ladakh

Arunachal Pradesh

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UPSC CDS-2 – 2022

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India’s first liquid mirror telescope, the International Liquid Mirror Telescope (ILMT), was commissioned at the Devasthal Observatory campus of Aryabhatta Research Institute of Observational Sciences (ARIES) in Uttarakhand.

– The telescope uses a 4-meter diameter rotating mirror made of liquid mercury.
– It is designed to survey the strip of the sky visible overhead every night.
– It is located at an altitude of 2450 meters in Devasthal, Uttarakhand.

The ILMT is a collaborative effort involving India, Belgium, and Canada. Unlike traditional telescopes that track specific objects, a liquid mirror telescope observes a large area of the sky as the Earth rotates, capturing transient objects like supernovae and space debris.

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