Science with the ELT Solar System Science with the ELT Exoplanets Telescope Instruments

The giant ELT dome will house the telescope and its interior structure, providing protection from the extreme environment of Chile’s Atacama Desert. The main structure of the telescope will hold its five …

ESO’s Extremely Large Telescope, or ELT for short, is a revolutionary ground-based telescope that will have a 39-metre main mirror and will be the largest visible and infrared light telescope in the world: …

The Republic of Chile and ESO signed an agreement regarding land for the ELT, including the donation of an area of 189 km2 around Cerro Armazones for the installation of the telescope.

The Extremely Large Telescope (ELT) will have a 39-metre mirror (almost half the length of a football pitch) and will thus be by far the biggest telescope in the world to observe in the visible and the near …

Name Extremely Large Telescope (ELT) Main mirror diameter 39 metres Light collecting area

A true technological wonder, the ELT’s fourth mirror is the largest deformable mirror ever made. Its surface can be distorted and adapted to correct for atmospheric turbulence and the residual vibration …

A schedule for the ELT instruments is provided in the table below. One of the highest scientific priorities for the telescope is to characterise exoplanets and, specifically, to take images of Earth-like planets.

The ELT will be part of ESO’s Paranal Observatory, located 120 km south of the city of Antofagasta and 110 km north of the town of Taltal, in the Atacama Desert, Chile. There are two ways to visit the ELT …

The main structure of the ELT telescope supports the optics and the instruments during astronomical observations and keeps the telescope stable under all conditions, including in high winds and during …