This time-lapse video, by Solar Dynamics Observatory (SDO) that celebrates its 5th anniversary since it launched on February 11, 2010, captures one frame every 8 hours…
The video starts when data became available in June 2010 and finishing February 8, 2015.
The different colors represent the various wavelengths (sometimes blended, sometimes alone) in which SDO observes the sun.
More about SDO, at http://sdo.gsfc.nasa.gov/
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