Contact: Karen Fox
Robert.j.gutro@nasa.gov
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NASA/Goddard Space Flight Center

NASA SDO Captures X1.4 Solar Flare on July 12, 2012

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.

Credit: NASA/SDO/AIA

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