Image:Birkeland-terrella-spiral-nebula.jpg

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Image:Birkeland-terrella-spiral-nebula.jpg

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[edit] Summary

Kristian Birkeland's magnetised terrella simulating a spiral nebula.

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 Kristian Birkeland (1867-1917) also on the Web at [url=http://www.catastrophism.com/texts/birkeland/]

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(del) (cur) 18:26, 1 December 2005 . . Iantresman (Talk | contribs) . . 480×468 (35,015 bytes) (Kristian Birkeland's magnetised terrella simulating a spiral nebula. 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. C)