The Extremely Large Telescope (ELT) will be the world's largest optical telescope, with a primary mirror that measures 128 feet (39 meters) across.

Those three next-generation ground-based telescopes are the 39-meter (128-feet) European Extremely Large Telescope (ELT), the 98-foot Thirty Meter Telescope (TMT) on Mauna Kea and the 24-meter (79 ...

A groundbreaking telescope might soon detect signs of extraterrestrial life. The Extremely Large Telescope (ELT), currently under construction in Chile, promises major advances in astronomy. With ...

They call it, simply, the Extremely Large Telescope (ELT), because it will be absolutely massive – the largest of its kind ever made. Its mission of "world’s biggest eye on the sky" will be ...

In the remote Atacama Desert of northern Chile, an ambitious project is underway that could revolutionize astronomy: the construction of the Extremely Large Telescope (ELT). Dubbed “the world’s ...

The telescope, equipped with cutting-edge technology, ... The ELT: Why the World's Most Ambitious Telescope Is in Chile. Posted: June 6, 2025 | Last updated: June 6, 2025.

The ELT will feature a 39-meter-wide primary mirror array, lending it nearly 14 times the light-collecting capabilities of the world's largest single-mirror telescopes currently in operation.

When completed, the appropriately named Extremely Large Telescope (ELT) will be capable of collecting 100 million times more light than the human eye, ...

The European Southern Observatory's (ESO) Extremely Large Telescope (ELT) — the world's largest visible- and infrared-light telescope — is currently under development on the Cerro Armazones ...

Paranal’s facilities, however, should soon be outclassed by ESO’s under-construction $1.5-billion Extremely Large Telescope, or ELT, which boasts a light-gathering primary mirror nearly 40 ...