Talk:Atmospheric dynamo

Categories for this page
This page was overcategorized. See Categorizing pages: "Each article should be placed in all of the most specific categories to which it logically belongs. This means that if a page belongs to a subcategory of C (or a subcategory of a subcategory of C, and so on) then it is not normally placed directly into C." RockMagnetist (talk) 17:32, 11 January 2012 (UTC)