The SOHO LASCO C3 instrument captured this coronographic image of the Earth-directed CME. Notice how the CME appears as a halo around the sun. This is indicative of an Earth-directed event. Image ... more 
The SOHO LASCO C3 instrument captured this coronographic image of the Earth-directed CME. Notice how the CME appears as a halo around the sun. This is indicative of an Earth-directed event. Image obtained August 20, 2013. less 
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SPACE.com | Photo By ESA & NASA/SOHO
Tue, Aug 20, 2013 3:05 PM EDT