File:Shooting Star over La Silla.jpg
原本檔案 (5,183 × 3,455 像素,檔案大細:4.74 MB ,MIME類型:image/jpeg)
摘要
描述Shooting Star over La Silla.jpg |
English: This picture of the week shows two of the three new ExTrA telescopes hosted at ESO’s La Silla Observatory in Chile. Situated over 2000 meters above sea level, these telescopes scour the skies for Earth-sized worlds around M class stars, which are stars smaller than the Sun.
A “shooting star” flashes across the night sky above the telescopes and towards the horizon of the Atacama Desert in Chile. Shooting stars are not actually stars, but small bits of rock or dust that enter the Earth’s orbit and burn up in the atmosphere. Before they enter Earth’s atmosphere, these tiny celestial bodies are called meteoroids. The dramatic streaks of light caused by meteoroids burning up are not just beautiful and exciting, but also informative. Scientists look at the path and brightness of a meteoroid to determine where in the Solar System it came from and what it is composed of. If a meteoroid makes it through Earth’s atmosphere to the ground it is then called a meteorite. Scientists can study meteorites to learn more about the history of the Solar System. Credit: ESO/M. Zamani |
日期 | |
來源 | https://www.eso.org/public/images/potw2016a/ |
作者 | ESO/M. Zamani |
協議
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. | |
This file is licensed under the Creative Commons Attribution 4.0 International license.
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Items portrayed in this file
圖中顯示嘅係
20 4 2020
image/jpeg
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日期/時間 | 縮圖 | 尺寸 | 用戶 | 註解 | |
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現時 | 2024年2月14號 (三) 14:28 | 5,183 × 3,455(4.74 MB) | C messier | full size | |
2020年5月25號 (一) 08:27 | 1,280 × 853(290 KB) | Garamora | Uploaded a work by ESO/M. Zamani from https://www.eso.org/public/images/potw2016a/ with UploadWizard |
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Metadata
呢個檔案有額外嘅資料。佢應該係數碼相機或者掃描器整出來嘅。如果佢整咗之後畀人改過,裏面嘅資料未必同改過之後相符。
作者 | Mahdi Zamani |
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圖名 |
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原創日期時間 | 2020年4月20號 (一) 06:00 |
用過嘅軟件 | Adobe Photoshop CC 2019 (Windows) |
檔案更動日期時間 | 2019年10月25號 (五) 17:12 |
相機序號 | 132128000627 |
用咗嘅鏡頭 | EF15mm f/2.8 Fisheye |
評分(最高5分) | 0 |
制成數碼日期時間 | 2019年7月4號 (四) 07:53 |
Date metadata was last modified | 2019年10月25號 (五) 19:12 |
Credit/Provider | ESO/M. Zamani |
來源 | European Southern Observatory |
Unique ID of original document | 8CF3E2D3F539BF4E03833561BDFBC27F |
短標題 |
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關鍵字 | ExTrA |
聯繫信息 |
Karl-Schwarzschild-Strasse 2 Garching bei München, None, D-85748 Germany |
Usage terms |
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IIM版本 | 4 |