Giant Sun 'Filament' Is 1 Million Miles Long (Video, Photos)
Wednesday, October 8, 2014 - 09:00
in Astronomy & Space
The sinuous feature, which was imaged on Sept. 30 by NASA's Solar Dynamics Observatory (SDO), extends for about 1 million miles (1.6 million kilometers) — about 100 times the width of Earth, agency officials said.