Contact: Karen Fox
NASA/Goddard Space Flight Center
Caption: This movie shows the sun July 11-12, ending with the X1.4 class flare on July 12, 2012. It was captured by NASA’s Solar Dynamics Observatory in the 304 Angstrom wavelength - a wavelength colorized most like the sun. There is also a coronal mass ejection associated with this flare. Rough estimates based on the data currently available -- namely observations from STEREO-B (the Solar Terrestrial Relations Observatory) -- show that the CME is traveling in an Earth direction at over 850 miles per second.
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