Cascading Post-coronal Loops
An active region that had just rotated into view blasted out a coronal mass ejection, which was immediately followed by a bright series of post-coronal loops seeking to reorganize that region's magnetic field (April 19, 2017).
The bright loops are actually charged particles spinning along the magnetic field lines. The action was captured in a combination of two wavelengths of extreme ultraviolet light over a period of about 20 hours.
https://sdo.gsfc.nasa.gov/gallery/potw/item/798
Credit: Solar Dynamics Observatory, NASA.
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