PIA19874: A Golden Arch
 Target Name:  Sol (our sun)
 Mission:  SDO
 Instrument:  Atmosphere Imaging Assembly
 Product Size:  720 x 720 pixels (w x h)
 Produced By:  SDO
 Full-Res TIFF:  PIA19874.tif (1.374 MB)
 Full-Res JPEG:  PIA19874.jpg (54.66 kB)

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Original Caption Released with Image:

Magnetically charged particles formed a nicely symmetrical arch at the edge of the Sun as they followed the magnetic field lines of an active region (Aug.4-5, 2015). Before long the arch begins to fade, but a fainter and taller arch appears for a time in the same place. Note that several other bright active regions display similar kinds of loops above them. These images of ionized iron at about one million degrees were taken in a wavelength of extreme ultraviolet light. The video covers about 30 hours of activity.


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: