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A handout picture shows Coronal Mass Ejection as viewed by the Solar Dynamics Observatory on June 7, 2011. The Sun unleashed an M-2 (medium-sized) solar flare, an S1-class (minor) radiation storm and a spectacular coronal mass ejection (CME) on June 7, 2011 from sunspot complex 1226-1227. The large cloud of particles mushroomed up and fell back down looking as if it covered an area of almost half the solar surface. The sun is entering a more active phase due to peak in 2013 on a roughly 11-year sunspot cycle, the World Meteorological Organization (WMO) said. Power supplies, air traffic control, communications and satellites can all be disrupted by storms. Picture taken June 7, 2011. [Photo/Agencies]
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