File:Birkeland terrella spiral nebula.jpg
Birkeland_terrella_spiral_nebula.jpg (480 × 468 pixels, file size: 34 KB, MIME type: image/jpeg)
Nonfiction: Kristian Birkeland's magnetized terrella. In this experiment, he noted two spirals which he considered may be similar to that of spiral nebulae.
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Fiction cross-reference
Nonfiction cross-reference
- Kristian Birkeland (nonfiction)
- Mathematician (nonfiction)
- Mathematics (nonfiction)
- Terrella (nonfiction)
External links:
- Terrella @ Wikipedia
Attribution: By Uploaded by Jan Tresman; original image by Kristian Birkeland - Sourced from the book, The Norwegian Aurora Polaris Expedition 1902-1903, Volume 1: On the Cause of Magnetic Storms and The Origin of Terrestrial Magnetism, Section 2. Chapter VI: p.667 (published in 1913), By en:Kristian Birkeland (1867-1917) also on the Web at http://www.catastrophism.com/texts/birkeland/, Public Domain, https://commons.wikimedia.org/w/index.php?curid=28050795
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| current | 12:53, 3 September 2018 | | 480 × 468 (34 KB) | Admin (talk | contribs) | Nonfiction: |
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