Giant Magellan Telescope (GMT)

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From UPSC perspective, the following things are important :

Prelims level: Giant Magellan Telescope

Mains level: Paper 3- GMT

In Chile’s dry Atacama Desert, stargazers are scanning the clear night skies to detect the existence of life on other planets and study so-called ‘dark energy’. Central to the race to peer into distant worlds is the GMT.

Giant Magellan Telescope (GMT)

⦁ The GMT is a ground-based extremely large telescope under construction.
⦁ It is US-led in partnership with Australia, Brazil, and South Korea, with Chile as the host country.
⦁ It will consist of seven 8.4 m (27.6 ft) diameter primary segments, that will observe optical and near infrared (320–25000 nm) light.
⦁ It will have the resolving power of a 24.5 m (80.4 ft) primary mirror and collecting area equivalent to a 22.0 m (72.2 ft) one which is about 368 square meters.
⦁ It is expected to have a resolving power 10 times greater than the Hubble Space Telescope.

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Bakc2Basics: Hubble Space Telescope

⦁ The Hubble Space Telescope is a space telescope that was launched into low Earth orbit in 1990 and remains in operation.
⦁ It was not the first space telescope, but it is one of the largest and most versatile, renowned both as a vital research tool and as a public relations boon for astronomy.
⦁ It is said to be the “most significant advance in astronomy since Galileo’s telescope.
⦁ It captures images of deep space playing a major role in helping astronomers understand the universe by observing the most distant stars, galaxies and planets.

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