NASAのインスタグラム(nasa) - 10月19日 15時19分

A mass of plasma gathered itself into a twisting mass, spun around for a bit, then rose up and broke apart over a 10-hour period (Oct. 13, 2015). The image and video were produced with a combination of two wavelengths of extreme ultraviolet light. Prominences are unstable clouds of gas tethered above the surface of the Sun by magnetic forces. Much of the jittering and odd jumping motions above the surface were artifacts caused by brightening and contrast changes used to bring out the detail and structure of the prominence.
Credit: Solar Dynamics Observatory, NASA

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