File:She Shan Observatory - Blink comparator.jpg
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Summary
| Description |
English: Blink comparator at She Shan Observatory (Shanghai, China).
Caption reads: "Blink comparator. By swiftly comparing a series of photographs taken at different times, it is possible to detect the motion of some celestial bodies such as planets. Clyde Tombaugh discovered Pluto in 1930 with a similar instrument." Français : Comparateur à éclipses à l'observatoire de She Shan (Shanghai, Chine). Comparateur à éclipses. En comparant rapidement une série de photos prises à des instants différents, il est possible de déceler le mouvement de certains astres tels que des planètes. C'est avec un appareil de ce type que Clyde Tombaugh a découvert Pluton en 1930. |
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:48, 31 May 2010 | | 1,824 × 1,368 (266 KB) | Peter17 | {{Information |Description={{en|1=Blink comparator at She Shan Observatory (Shanghai, China).<br /> Caption reads: "Blink comparator. By swiftly comparing a series of photographs taken at different times, it is possible to detect the motion of some celest |
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