NASA’s Solar Dynamics Observatory Sees Brightening Magnetic Loops

This short video from NASA’s Solar Dynamics Observatory shows arches of bundled magnetic loops sprouting from active regions on the Sun.

Two active regions sprouted arches of bundled magnetic loops in this video from NASA’s Solar Dynamics Observatory taken on November 11-12, 2015. Charged particles spin along the magnetic field, tracing out bright lines as they emit light in extreme ultraviolet wavelengths. About halfway through the video, a small eruption from the active region near the center causes the coils to rise up and become brighter as the region re-organizes its magnetic field. This video was taken in extreme ultraviolet wavelengths of 171 angstroms, typically invisible to our eyes but colored here in gold.

Source: Steele Hill and Sarah Frazier, NASA’s Goddard Space Flight Center

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