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Rare Encircling Filament : NASA’s Solar Dynamics…

Rare Encircling Filament : NASA’s Solar Dynamics Observatory came across an oddity that the spacecraft has rarely observed before: a dark filament encircling an active region (Oct. 29-31, 2017). Solar filaments are clouds of charged particles that float above the sun, tethered to it by magnetic forces. (via NASA)

Source: Just Space

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Rare Encircling Filament : NASA’s Solar Dynamics…

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