solar filament


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solar filament

n.
A solar prominence seen in silhouette against the brighter photosphere of the sun.
References in periodicals archive ?
WASHINGTON (CyHAN)- When a solar filament above the Sun's surface (the darker, slanted line seen before the eruption)) became unstable and erupted, it briefly left an empty channel that was almost immediately followed by a series magnetic loops reconnecting (Feb.
The video, captured by from NASA's Solar Dynamics Observatory (SDO), shows a very long, whip-like solar filament extending over half a million miles in a long arc above the sun's surface, the Daily Mail reported.
Known as a solar filament, threads of plasma have burst out from the sun's super-hot outer atmosphere and can have effects on Earth.