A long filament erupted on the sun on 2012-08-31, shown here in a movie captured by NASA's Solar Dynamics Observatory (SDO) from noon EDT to 1:45 a.m. the next morning. The filament lies in the lower left corner of the sun. The movie shows light at 304 Angstroms and 171 Angstroms.
Credit: NASA/SDO/AIA
2012-08-31
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