PIA21212: Small Prominences
 Target Name:  Sol (our sun)
 Mission:  SDO
 Instrument:  Atmosphere Imaging Assembly
 Product Size:  1800 x 1800 pixels (w x h)
 Produced By:  SDO
 Full-Res TIFF:  PIA21212.tif (5.751 MB)
 Full-Res JPEG:  PIA21212.jpg (400 kB)

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Original Caption Released with Image:

The sun sported four smallish prominences along its edge at about the same time (Dec. 12-14, 2018). They were at the positions of 2 o'clock, 5 o'clock, 7 o'clock, and 10 o'clock. The largest and most active of the prominences was at the 7 o'clock point. Prominences are clouds of charged particles suspended above the sun by magnetic forces. These were observed in a wavelength of extreme ultraviolet light. The video clip covers almost two days' of activity: it consists of 335 frames being shown at 20 frames per second.


SDO is managed by NASA's Goddard Space Flight Center, Greenbelt, Maryland, for NASA's Science Mission Directorate, Washington. Its Atmosphere Imaging Assembly was built by the Lockheed Martin Solar Astrophysics Laboratory (LMSAL), Palo Alto, California.

Image Credit:
NASA/GSFC/Solar Dynamics Observatory

Image Addition Date: