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 …

2022年10月14日 · 7. South African Large Telescope (SALT) 6. Atacama Large Millimeter Array (ALMA) 5. Giant Magellan Telescope (GMT) 4. Thirty Meter Telescope (TMT) 3. Square …

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 …

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 …

OWL （ 英语 ： Overwhelmingly Large Telescope ） 概念艺术图. 极大望远镜（Extremely Large Telescope，簡寫ELT）是指天文台使用的直径大于20公尺的望远镜 [1] 。 当讨论反射望远镜 …

2025年1月2日 · The Large Binocular Telescope (LBT) is a unique optical telescope that has two identical 8.4 m wide primary mirrors, with a combined circular aperture of 11.8 m. …

This is a list of large optical telescopes. For telescopes larger than 3 meters in aperture see List of largest optical reflecting telescopes. This list combines large or expensive reflecting …

2024年6月11日 · 从望远镜组旁拍摄的银河（采球极平面投影的球型全景影像） [1] 用于自适应光学激光（激发大气中的钠原子，并创建一个激光引导星） 帕瑞纳山上的4台8.2米口径甚大望远 …

3 天之前 · Europe’s Extremely Large Telescope, as seen at night in June 2023 while under construction atop the summit of Cerro Armazones in Chile’s Atacama Desert. ESO ( CC BY 4.0 )

2 天之前 · 1. The SPHEREx space telescope will shed light on a cosmic phenomenon called inflation. 2. The observatory will measure the collective glow from galaxies near and far. 3. The …