An Etymological Dictionary of Astronomy and Astrophysics
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فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 1 Search : Hale''s law
Hale's law
  قانون ِ هیل   
qânun-e Hale

Fr.: loi de Hale   

The leader and → follower spots have opposite polarities on either side of the equator. This reverses after the ~11 year → solar cycle. Also called Hale-Nicholson's law.

Named after George Ellery Hale (1868-1938), American astronomer; → law.