File:La Silla.jpg
![File:La Silla.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/6/6b/La_Silla.jpg/800px-La_Silla.jpg?20130304134516)
原始檔案 (3,871 × 2,513 像素,檔案大小:3.06 MB,MIME 類型:image/jpeg)
說明
說明
摘要
[編輯]描述La Silla.jpg |
English: In this photograph, three telescopes are portrayed, all looking very different from each other. To the right of the water tanks is the ESO New Technology Telescope (NTT), which had its first light on 23 March 1989. This 3.58-metre telescope was the first ever to have a computer-controlled main mirror, which could adjust its shape during observations to optimise image quality. The octagonal enclosure housing the NTT is another technological breakthrough, ventilated by a system of flaps that makes air flow smoothly across the mirror, reducing turbulence and leading to sharper images.
To the right of the NTT is the Swiss 1.2-metre Leonhard Euler Telescope, which has a more traditional dome-shaped enclosure. It is operated by the Geneva Observatory at the Université de Genève in Switzerland, and had its first light on 12 April 1998. It is used to search for exoplanets in the southern sky; with its first discovery being a planet in orbit around the star Gliese 86. The telescope also observes variable stars, gamma-ray bursts and active galactic nuclei. In the foreground on the right is a building nicknamed the sarcofago (sarcophagus). This houses the TAROT (Télescope à Action Rapide pour les Objets Transitoires, or Rapid Action Telescope for Transient Objects), which started work at La Silla on 15 September 2006. This is the present-day photograph from the Then and Now Picture of the Week, Three Very Different Telescopes at La Silla. |
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來源 | http://www.eso.org/public/images/potw1219b/ |
作者 | ESO |
其他版本 |
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授權條款
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This media was created by the European Southern Observatory (ESO).
Their website states: "Unless specifically noted, the images, videos, and music distributed on the public ESO website, along with the texts of press releases, announcements, pictures of the week, blog posts and captions, are licensed under a Creative Commons Attribution 4.0 International License, and may on a non-exclusive basis be reproduced without fee provided the credit is clear and visible." To the uploader: You must provide a link (URL) to the original file and the authorship information if available. |
![]() ![]() 此檔案採用創用CC 姓名標示 4.0 國際授權條款。
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註解 InfoField | 該圖片含有註解:在維基媒體共享資源上查看註解 |
Leonhard Euler Telescope
NTT
檔案歷史
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目前 | 2013年3月4日 (一) 13:45 | ![]() | 3,871 × 2,513(3.06 MB) | Stas1995(對話 | 貢獻) | User created page with UploadWizard |
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檔案用途
下列3個頁面有用到此檔案:
- File:La Silla.jpg
- File:La Silla (Wallpaper).jpg (檔案重新導向)
- File:Potw1219b.jpg (檔案重新導向)
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線上版權聲明 | |
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製作/提供者 | ESO |
來源 | European Southern Observatory |
使用條款 |
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資料產生的日期時間 | 2012年5月7日 (一) 10:00 |
版權狀態 | 版權狀態不明 |
關鍵字 |
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聯絡資訊 |
Karl-Schwarzschild-Strasse 2 Garching bei München, , D-85748 Germany |