- Posted February 14, 2013 by
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The extreme UV movie shows the filament flinging itself into space followed by the formation of a "canyon of fire" marking the channel formerly occupied by the filament. The glowing walls of the canyon are formed in a process closely related to that of arcade loops, which appear after many solar flares.
As erupting magnetic filaments often do, this one launched a coronal mass ejection (CME) into space. NASA's STEREO-A spacecraft spotted the expanding cloud, which does not appear to be heading for Earth or any other planet.