When you buy through links on our articles, Future and its syndication partners may earn a commission. ESO's Extremely Large Telescope at Cerro Armazones in Chile's Atacama Desert is seen from ...

The ELT is being built on top of Cerro Armazones in the Atacama Desert located in northern Chile. The roughly 10,000-foot-tall (3,000-meter) mountain is part of the Andes.