coronagraph

  1. Unhypnotized

    PICK OF THE WEEK: Large Flare and CME

    The clip of the large X2 flare (Feb. 15, 2011) seen by Solar Dynamics Observatory (SDO) in extreme ultraviolet light has been enlarged and superimposed on SOHO's C2 coronagraph for the same period. This was the largest flare in over four years. More...
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