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ilan
12-19-2019, 01:37 PM
Scientists see a new kind of explosion on the sun
Eleanor Imster in SPACE | December 19, 2019

A new kind of magnetic explosion, called forced magnetic reconnection, was seen for the first time in images from NASA’s SDO spacecraft. Learn more in this beautiful video.


https://www.youtube.com/watch?v=dGAHJXLIbKA&feature=emb_logo

NASA said on December 17, 2019, that its Solar Dynamics Observatory (SDO) observed a kind of magnetic explosion on the sun that scientists had never seen before. The spacecraft spied the explosion when a prominence — a large loop of material launched by an eruption on the sun’s surface — started falling back to the surface. Before it reached the surface, the prominence ran into a snarl of magnetic field lines, sparking a magnetic explosion. A statement from NASA explained:


Scientists have previously seen the explosive snap and realignment of tangled magnetic field lines on the sun – a process known as magnetic reconnection – but never one that had been triggered by a nearby eruption. The observation, which confirms a decade-old theory, may help scientists understand a key mystery about the sun’s atmosphere, better predict space weather, and may also lead to breakthroughs in the controlled fusion and lab plasma experiments.