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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Giant Magellan Telescope ： ウィキペディア英語版 Giant Magellan Telescope The Giant Magellan Telescope (GMT) is a ground-based extremely large telescope planned for completion in 2025. It will consist of seven 8.4 m (27.6 ft) diameter primary segments, with the resolving power of a 24.5 m (80.4 ft) primary mirror and collecting area equivalent to a 22.0 m (72.2 ft) one, (which is about 368 square meters).〔 The telescope is expected to have the resolving power 10 times greater than the Hubble Space Telescope, and will be the largest optical observatory in the world. Three mirrors have been cast and the mountain top is being prepared for construction.〔(Kyle Mittan - Steward Observatory casts second mirror for Giant Magellan Telescope (2012) )〕〔(Harvard Magazine - Giant Magellan Milestone (2013) )〕 A total of seven primary mirrors are planned, but it can begin operation with four.〔 The $1 billion project is US-led in partnership with Australia, Brazil, and Korea, with Chile as the host country. == Site == The location of the telescope is Las Campanas Observatory,〔(【引用サイトリンク】title=Giant Magellan telescope site selected )〕 which is also the site of the Magellan Telescopes, some north-northeast of La Serena, Chile. The site has been chosen as the new instrument's location because of its outstanding astronomical seeing and clear weather throughout most of the year. Moreover, due to the sparsity of population centers and other favorable geographical conditions, the night sky in most of the surrounding Atacama Desert region is not only free from atmospheric pollution, but in addition it is probably one of the places least affected by light pollution, making the area one of the best spots on Earth for long-term astronomical observation. Major site preparation began with the first blast to level the mountain peak on 23 March 2012. In November 2015, construction was started at the site, kicked off with a ground-breaking ceremony.;〔(The Giant Magellan Telescope Organization Breaks Ground in Chile )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Giant Magellan Telescope」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.