July 27, 2011

Thar She Blows

The Sun popped off no less than five coronal mass ejections over three-days (July 19-22, 2011). While none of them appeared very strong, they do suggest that the level of solar activity is increasing as we progress further into this solar cycle. Here we have combined the Sun in extreme UV from the Solar Dynamics Observatory (SDO) with the C2 coronagraph from SOHO. Most of these solar storms seem to have emerged from the farside of the Sun. credit: NASA

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