UV View of the Aug. 9, 2011 Solar FlareCredit: NASA/SDO/GSFCThis still from a video taken by NASA's Solar Dynamics Observatory shows the Aug. 8, 2011 solar flare as it appeared in the ultraviolet range of the light spectrum. The flare registered as an X6.9 class sun storm, the largest of the Solar Cycle 24.
Nasa Solar Dynamic Observatory snapped this multi-wavelength extreme ultrviolet image of the sun, Aug. 2010, solar eruption that blasted particles toward Earth. The Class C3 solar flare triggered stunning aurora displays and geomagnetic storms on Earth that lasted about 12 hours.
This week's largest solar flare is seen in a still from a NASA satellite video. Image courtesy SDO/NASA