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
Amanda Bynes Amanda Detmer Amanda Marcum Amanda Peet Amanda Righetti Amanda Swisten Amber Arbucci
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