Solar Flare (SDO AIA 304) 3-7-11

A huge solar flare erupted near the Sun's northeastern limb on March 7, 2011, at about 2:21 PM EST, sending solar plasma over 200,000 miles into space and a wave of solar particles outward from the Sun at the fastest speeds seen in over 5 years.


The small circle at upper right is the comparative size of Earth.


See more images from NASA's Solar Dynamics Observatory at: and watch this region in action at


Courtesy of NASA/SDO and the AIA, EVE, and HMI science teams.

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Taken on March 8, 2011
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