May 5, 2025
Science

See how the world’s largest optical telescope was built in the Atacama Desert

  • July 29, 2024
  • 0

The images show a giant dome that will house the telescope, equipped with sliding wings to protect it from harsh weather conditions such as heat and dust storms.

The images show a giant dome that will house the telescope, equipped with sliding wings to protect it from harsh weather conditions such as heat and dust storms. The dome will be insulated to maintain a constant temperature until dark, providing optimal conditions for the telescope to operate.

The world’s largest mirror

A special bearing is built into the dome to support the telescope’s main mirror. More than 200 tonsThis platform will be designed to compensate for temperature fluctuations and vibrations caused by strong winds, for example.

The mirror itself will consist of: 798 hexagon pieceseach will be regulated by a separate leveling system.


This support structure will support the 200-ton primary mirror / ESO photo

The ELT will be equipped with the latest optical technology, including an adaptive laser tuning system that will monitor and compensate for atmospheric turbulence. four artificial stars in the sky and adjusts one of the telescope’s mirrors a thousand times a second to account for atmospheric disturbances.

The optical system of the telescope will consist of: six mirrorsand the main mirror will be the largest.

When will the telescope be operational?

The observatory expects the ELT to record first light in 2028, four years behind the original schedule.

Despite this delay, the scientific community eagerly awaits the completion of the ELT as it is expected to greatly expand our ability to explore and understand the universe.

Source: 24 Tv

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