Big (X5 Level) Flare And CME Erupts [hd video]
A large sunspot region (AR1429) unleashed an X5 class flare (the second largest of this solar cycle) late on March 6, 2011. The bright flash of the flare (along with several smaller flashes) was associated with a large coronal mass ejection (CME). Simulations by NASA Goddard Space Flight Center's Space Weather Laboratory indicate that the leading edge of the CME will reach Earth at about 2012-03-08 06:25 UT (plus minus 7 hours) and might cause a severe/extreme geomagnetic storm. The estimated maximum Kp index is 7-9 (please note this is a rough estimate).
The composite views combine images from both of SOHO’s coronagraphs and the Sun itself in extreme ultraviolet light from the Solar Dynamics Observatory (SDO) spacecraft. These video clips cover about nine hours of activity.
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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