Video: NASA’s First X-Class Solar Flares of 2013 On May 12-13 the sun erupted with an X1.7-class and an... http://t.co/zIFJ9k8iji #nasa
May 14, 2013
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NASA's First X-Class Solar Flares...
NASA's First X-Class Solar Flares of 2013 On May 12-13 the sun erupted with an X1.7-class and an X2.8-class flare as well as two coronal mass ejections, or CMEs, off the upper left side of the sun.
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