Magnetic Arcs

An M5 flare (medium-size) associated with a coronal mass ejection
generated a fairly robust radiation storm (May 22-23, 2013). The
outburst originated from active region right near the right edge of the
Sun. After the eruption, cascades of magnetic loops spun up above the
area as the magnetic fields tried to reorganize themselves. When viewed
in profile, they put on a marvelous display of solar activity. The
images are a combination of two wavelengths of extreme ultraviolet light
(at 171 and 304 Angstroms). Credit: NASA’s Solar Dynamics Observatory.

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