File:An Emu in the Sky over Paranal.jpg
![File:An Emu in the Sky over Paranal.jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/3/3d/An_Emu_in_the_Sky_over_Paranal.jpg/800px-An_Emu_in_the_Sky_over_Paranal.jpg)
原始檔案 (2,500 × 1,525 像素,檔案大小:2.39 MB,MIME 類型:image/jpeg)
摘要
描述An Emu in the Sky over Paranal.jpg |
English: Sitting atop Cerro Paranal high above the Atacama Desert in Chile, two of the Very Large Telescope's Unit Telescopes quietly bask in the starlight, observing the Milky Way as it arches over ESO's Paranal Observatory.
Several interesting objects can be seen in this picture. Some of the most prominent are the two Magellanic Clouds — one Small (SMC), one Large (LMC) — which appear brightly in between the two telescopes. By contrast, the dark Coalsack Nebula can be seen as an obscuring smudge across the Milky Way, resembling a giant cosmic thumbprint above the telescope on the left. The Magellanic Clouds are both located within the Local Group of galaxies that includes our galaxy, the Milky Way. The LMC lies at a distance of 163 000 light-years from our galaxy, and the SMC at 200 000 light-years. The Coalsack Nebula, on the other hand, is a mere stone's throw away in comparison. At roughly 600 light-years from the Solar System, it is the most visible dark nebula in our skies. The Coalsack has been recorded by many ancient cultures, and is identified as the head of the Emu in the Sky by several indigenous Australian groups. Aboriginal Australians are most likely the oldest practitioners of astronomy in the world, and they identify their constellations by use of dark nebulae — as opposed to stars, as is the Western tradition. In the Southern hemisphere, these dark clouds are more prominent than in the Northern sky. Other cultures also had dark constellations — for example, the Inca in South America. A particularly important constellation to the Inca astronomers was one known as Urcuchillay (The Llama), representing the significance of the animals in their culture as a source of food, wool, and transport. This image was taken by ESO photo ambassador Yuri Beletsky. |
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來源 | http://www.eso.org/public/images/potw1439a/ |
作者 | ESO/Y. Beletsky |
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描繪內容
29 9 2014
多媒體型式 繁體中文 (已轉換拼寫)
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目前 | 2014年10月1日 (三) 03:37 | ![]() | 2,500 × 1,525(2.39 MB) | Jmencisom | User created page with UploadWizard |
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製作/提供者 | ESO/Y. Beletsky |
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來源 | European Southern Observatory |
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影像標題 |
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使用條款 |
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資料產生的日期時間 | 2014年9月29日 (一) 10:00 |
使用軟體 | Adobe Photoshop CS6 (Macintosh) |
原始文件唯一識別碼 | xmp.did:0F8983AFD72068118C14E852BA14FCC0 |
關鍵字 |
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聯絡資訊 |
Karl-Schwarzschild-Strasse 2 Garching bei München, , D-85748 Germany |
IIM 版本 | 4 |