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2024年7月29日 · The Extremely Large Telescope (ELT) will be the world's largest optical telescope, with a primary mirror that measures 128 feet (39 meters) across.

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 world’s biggest eye on the sky.

The European Extremely Large Telescope (ELT) is a revolutionary scientific project for a 40m-class telescope that will allow us to address many of the most pressing unsolved questions about our Universe.

The ELT will tackle the biggest scientific challenges of our time, and will aim for a number of notable firsts, including tracking down Earth-like planets around other stars in the habitable zones where life could exist — one of the Holy Grails of modern observational astronomy.

2025年3月15日 · The Extremely Large Telescope (ELT), built by the European Southern Observatory (ESO) in Chile’s Atacama Desert, will be the world’s largest optical and near-infrared telescope. Featuring a 39-meter segmented mirror and advanced adaptive optics, it will provide images 15 times sharper than Hubble.

The E-ELT is a 40-m class, fully steerable telescope, with integrated wavefront control. The optics are mounted on an altitude azimuth telescope main structure, with two massive cradles for the elevation motions and azimuth tracks. The main structure weighs approximately 2800 tonnes.

2025年3月25日 · The ELT will feature a 39-meter-wide primary mirror array, lending it nearly 14 times the light-collecting capabilities of the world's largest single-mirror telescopes currently in operation.

ESO’s Extremely Large Telescope planned to start scientific operations in 2027 More Details

2024年4月21日 · The Extremely Large Telescope (ELT) is a revolutionary ground-based telescope currently under construction by the European Southern Observatory (ESO). Once completed, the ELT will be the world’s largest optical and infrared telescope, with a primary mirror measuring a staggering 39 meters in diameter.