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 mountain ...
The telescope's primary mirror will measure about 39.3 meters (130 feet), made up of 798 pieces. It is situated in the middle of the arid Atacama Desert, considered one of the best places on Earth ...
Paranal Observatory is home to ESO’s Very Large Telescope (VLT), which comprises four telescopes each with a 27-foot (8.2-meter) mirror and four auxiliary telescopes with 6-foot (1.8-meter ...
The Large Binocular Telescope is located on Mount Graham northeast of Tucson. It operates its two 8.4-meter mirrors independently, essentially functioning as two separate telescopes mounted side ...