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Summary
| Description |
English: Kristian Birkeland predicted auroral electrojets in 1908. He wrote: "[p.95 ..] the
currents there are imagined as having come into existence mainly as a secondary effect of the electric corpuscles from the sun drawn in out of space, and thus far come under the second of the possibilities mentioned above. [p.105 ..] Fig. 50a represents those in which the current-directions at the storm-centre are directed westwards, and 50b those in which the currents move eastwards." |
| Date | |
| Source | Scanned by Ian Tresman from The Norwegian Aurora Polaris Expedition 1902-1903 (publ. 1908). |
| Author | uploaded by Ian Tresman; original image by Kristian Birkeland |
Original upload log
The original description page is/was here. All following user names refer to en.wikipedia.
- 22:06, September 5, 2005 Iantresman (515 bytes) (+515) . . (Kristian Birkeland predicted auroral electrojets in 1908. He wrote: "[p.95 ..] the currents there are imagined as having come into existence mainly as a secondary effect of the electric corpuscles from the sun drawn in out of space, and thus far come unde)
Licensing
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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:20, 1 September 2013 | | 878 × 632 (53 KB) | Pirogronian | User created page with UploadWizard |
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