Sun shoots off huge flare towards earth
Sep 30, 2012 - Nasa has captured the image of a particularly wide Earth-directed coronal mass ejection (CME) or flare, erupting from the Sun and spewing billions of tonnes of solar particles.
Experimental Nasa research models estimate that the CME, travelling around 1,120 km per second, reached the earth on Saturday. CMEs of these speeds are usually benign.
CMEs are a phenomenon that can send billions of tonnes of solar particles into space that can reach earth one to three days later, affecting electronic systems in satellites and on the ground.
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