Asia’s largest liquid mirror telescope by India

Asia’s largest liquid mirror telescope by India

Team Ambitiousbaba are here with a Current Affairs Special Series. In this series, candidates will be introduced to current affairs topics daily, which will not only improve their general awareness but also will ensure that the candidates do not lack in any current affairs topic. Today’s Current Affairs topic is “Asia’s largest liquid mirror telescope by India

India has install it’s first-ever ‘liquid mirror telescope’ at Devasthal Observatory in Uttarakhand. This is the largest International Liquid Mirror Telescope (ILMT) of Asia which has been set up at a height of 2,450 meters.

The International Liquid Mirror Telescope (ILMT) at the Devasthal Observatory campus which is owned by Aryabhatta Research Institute of Observational Sciences (ARIES), is the world’s first liquid-mirror telescope to be accredited for astronomy. The telescope will be applied to observe the galaxies and other astronomical elements present at the edge of the world.

Liquid mirror telescope:

The conventional telescopes have rounded glass mirrors with a single or combination of curved surfaces and are employed to observe special celestial objects on specific nights.

Liquid mirror telescopes are manufactured of reflective liquids.

As in the Devasthal observatory the ILMT has Mercury, and detects a strip of sky capturing all possible celestial objects — from stars, galaxies, supernovae explosions, asteroids to space debris.

Working of the Liquid mirror telescope:

About 50L of mercury-filled into a container which is turned out at a fixed constant speed along the vertical axis of the ILMT. The mercury in the container spreads and forms a thin layer in the container forming a paraboloid-shaped reflecting surface which then acts as the mirror following the circular motions. Its diameter arranged at 4 meter so the surface can collect and focus light ideally.

Collaboration for Liquid Mirror Telescope:

The Liquid Mirror Telescope set up by India in association with Belgium, Canada, Poland and Uzbekistan.

It had been designed and built at the Advanced Mechanical and Optical Systems Corporation and the Centre Spatial de Liège in Belgium.

Usage of Liquid Mirror Telescope:

The ILMT will be producing a huge volume of data as it is capable of generating 10-15 GB per night. It is put to work for the next five years starting October 2022.

It will be also used to observe asteroids, supernovae, space debris, and all other celestial objects from an altitude of 2,450 meters in the Himalayas.

Question & Answer:

Q1. Which nation has installed first ever liquid mirror telescope for astronomers?

Ans. India

Q2. Which countries collaborated in setting up liquid mirror telescope?

Ans. Belgium, Canada, Poland and Uzbekistan

Q3. At which place liquid mirror telescope has been placed?

Ans. Devasthal Observatory in Uttarakhand state

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