The Sun is constantly roiling with nuclear heat and intense magnetism that make sunspots, flares, coronal mass ejections, and all sorts of space weather. When directed toward Earth, those solar blasts can disrupt satellite and radio communications, damage our electric-powered tools and toys, and create auroras.
Date: October 14, 2012
Photographer: NASA's STEREO science team
Source: NASA image courtesy of the STEREO science team
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