Astrophysics (Index)About

European Extremely Large Telescope

(E-ELT, ELT, Extremely Large Telescope)
(39-meter telescope under construction)

The European Extremely Large Telescope (E-ELT, also called the Extremely Large Telescope or ELT) is a 39.3-meter adaptive optics, segmented-mirror-reflecting extremely large telescope under construction by the European Southern Observatory on top of Cerro Armazones, Chile (altitude: 3046 meters), in the Atacama Desert. It is a new site, about 1 km from the existing Cerro Armazones Observatory, but it will be operated out of ESO's Paranal Observatory, which is about 20 km distant. Ground construction begin in 2017 with the aim of first light in 2025. Instrument plans are in development. Some plans:

Further reading:

Referenced by pages:
adaptive optics (AO)
Atacama Desert
Colossus Telescope
extremely large telescope (ELT)
European Southern Observatory (ESO)
Overwhelmingly Large Telescope (OWL)
Paranal Observatory
segmented mirror
three-mirror anastigmat