510K views · 11K reactions | • Curly-Q Filament Blast • A solar filament erupted in the shape of a twisted arch over a three-hour period (Feb. 4, 2015) with most of it falling back into the Sun. The activity in the lower corona was caught in a wavelength of extreme ultraviolet light. Filaments are elongated clouds of particles suspended above the Sun's surface by magnetic forces. They are notoriously unstable. Credit: Solar Dynamics Observatory, NASA. | Astronomy Nation | Facebook