An extremely large telescope (ELT) is an astronomical observatory featuring an optical telescope with an aperture for its primary mirror from 20 metres up to 100 metres across, [1] [2] when discussing reflecting telescopes of optical wavelengths including ultraviolet (UV), visible, and near infrared wavelengths.

2022年10月14日 · The telescope will be encased in a huge, 262-foot (80-meter) tall rotating dome, which will weigh approximately 6,000 tonnes. The strong foundations for this telescope were completed at the ...

2024年7月29日 · Hannah Jang-Condell et al, ‘Protoplanetary Disk Science Enabled by Extremely Large Telescopes', Bulletin of the AAS: Astro2020 Science White Papers, Vol 51, issue 3 (2020), https://baas.aas.org ...

3 天之前 · The Extremely Large Telescope: The World's Biggest Eye On The Sky. ELT HOME; ABOUT. About the ELT Timeline Location Webcams Facts Road to the ELT Meet the Team Working Groups Industrial and Institutional Partners FAQ. TELESCOPE. Telescope Overview Dome Main Structure. Mirrors.

The Giant Magellan Telescope (GMT) is a ground-based, extremely large telescope currently under construction at Las Campanas Observatory in Chile's Atacama Desert.With a primary mirror diameter of 25.4 meters, it is expected to be the largest Gregorian telescope ever built, observing in optical and mid-infrared wavelengths (320–25,000 nm). [1] ...

2024年9月26日 · Hear more about the Extremely Large Telescope on the Science Show and subscribe to the podcast for more insights into the latest scientific research and debate. Posted 26 Sep 2024 26 Sep 2024 Thu ...

2024年7月27日 · The European Southern Observatory's (ESO) Extremely Large Telescope (ELT) is currently under construction on the Cerro Armazones mountain in Chile's Atacama Desert and is expected to see its first ...

2023年11月23日 · The extremely large telescopes (ELTs) under construction today, with mirrors that are 25 to 39 m in diameter and adaptive optics, will have 100 times the light-gathering power and 10 times the image quality of the Hubble Space Telescope. These giant telescopes will search for signatures of life on exoplanets, reveal new insights on the nature ...

3 天之前 · Additionally, AES Andes said in its statement that the sky brightness at the telescope sites will only increase by 0.09 percent at the ELT and 0.27 percent at the Very Large Telescope, also ...

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. In addition to this unparalleled size, the ELT will be equipped with a lineup of cutting-edge ...