Image:Roemer.jpg
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Summary
A diagram of Jupiter (B) eclipsing its moon Io (DC) as viewed from different points in earth's orbit around the sun. From Olaf (Ole) Roemer, "Demonstration tovchant le mouvement de la lumiere trouvé par M. Römer de l' Academie Royale des Sciences," December 7, 1676. Translated into English as "A Demonstration Concerning the Motion of Light," Philosophical Transactions of the Royal Society 12 (June 25, 1677): 893-94. Scans of both the French and English versions of the paper are on the Web at http://dbhs.wvusd.k12.ca.us/webdocs/Chem-History/Roemer-1677/Roemer-1677.html. This image was scanned from a copy of Roemer's paper in William Francis Magie, A Source Book in Physics, 1st ed (New York, London: McGraw-Hill, 1935).
Licensing
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Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Côte d'Ivoire has a general copyright term of 99 years and Honduras has 75 years, but they do implement that rule of the shorter term.  |
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العربية | Български | Català | Česky | Dansk | Deutsch | English | Esperanto | Español | Français | Galego | 한국어 | Italiano | Magyar | Lietuvių | Nederlands | 日本語 | Polski | Português | Română | Русский | Suomi | Svenska | Türkçe | Українська | 中文(繁體) | 中文(简体) | +/- |
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File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 18:47, 26 January 2007 | 436×825 (46 KB) | Glj1952 | (From Olaf (Ole) Roemer, "Demonstration tovchant le mouvement de la lumiere trouvé par M. Römer de l' Academie Royale des Sciences, "December 7, 1676. Translated into English as "A Demonstration Concerning the Motion of Light," Philosophical Transaction) |
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