Tuesday, March 21, 2017

Gyrating Active Region - UNIVERSE

A close-up animation of a small area of the sun highlighted three active regions, but the one in the center caught the attention (Jan. 20, 2017). Over half a day this active region sent dark swirls of plasma and bright magnetic arches twisting and turning above it. All the activity in the three areas was driven by competing magnetic forces. The dynamic action was observed in a wavelength of extreme ultraviolet light.

Credit: Solar Dynamic Observatory, NASA.

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