Published January 1, 1924 | Version public
Journal Article Open

The law of sun-spot polarity

Abstract

In a paper on "The Direction of Rotation of Sun-spot Vortices," published in the Proceedings of the National Academy of Scieces in June, 1915, I described the general reversal of the magnetic polarity of sun-spots observed at the minimum of solar activity in 1912.

Additional Information

Copyright © 1924 by the National Academy of Sciences. Communicated, December 6, 1923.

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3957
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2006-07-20
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