Scientists have proposed that the Moon's ancient magnetic field was powered by mechanically driven motions within its fluid core that may have occurred continuously or been triggered by asteroid impacts.
Source: http://www.cosmosmagazine.com/news/4949/moons-ancient-magnetism-caused-mechanical-stirring
Jaime Pressly Jamie Chung Jamie Gunns Jamie Lynn Sigler Janet Jackson January Jones Jennie Finch
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