Construction of the world's largest telescope has reached its highest point with assembly of the roof's dome and large sliding doors that will shield the observatory. The European Southern Observatory ...

The dome enclosing the world's largest telescope is taking shape, with the installation of protective siding and supports for the primary mirror. The European Southern Observatory's (ESO) Extremely ...

The telescope's dome is complete and protective panels are now being installed. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Construction of ...

The Extremely Large Telescope (ELT), currently under construction in northern Chile, will give us a better view of the Milky Way than any ground-based telescope before it. It's difficult to overstate ...

Deep in the Chilean desert, the European Extremely Large Telescope (ELT) is currently under construction. Operated by the European Southern Observatory (ESO), the ELT's design features a 128-foot-wide ...

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 a ...

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ESO, the European Organisation for Astronomical Research in the Southern Hemisphere, is taking an important step towards the realisation of a new, giant telescope for Europe’s astronomers, by creating ...

The Extremely Large Telescope (ELT) is an observatory currently under construction. When completed, it is planned to be the world's largest optical/near-infrared extremely large telescope. Learn about ...

The massive dome measures 305 feet (93 meters) in diameter, or about the size of a football field and stands 263 feet (80 meters) tall. When you purchase through links on our site, we may earn an ...

Construction on the European Southern Observatory's Extremely Large Telescope began in 2014. (G. Vecchia/ESO via SWNS) By Dean Murray The world's largest optical telescope is seen taking shape in an ...