Want more? Subscribe to NASA on iTunes! http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewPodcast?id=283424434 On Halloween in 2003, the sun unleashed a series of spooky storms, which ignited lots of ghostly looking auroras, and effected power grids, satellites and other electrical equipment. On the fifth anniversary, NASA takes a look back at the Sun. For more info: http://www.nasa.gov/topics/solarsystem/features/halloween_storms.html
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