Coronal Mass Ejection On August 2012 a long filament of solar material that had been hovering in the sun's atmosphere, the corona, erupted out into space. The coronal mass ejection, or CME, traveled at over 900 miles per second.
An experimental solar-powered airplane has left Spain for Egypt in the penultimate leg of its globe-circling voyage. Organizers said the Solar Impulse 2 flew out of Seville airport Monday and was heading for Cairo. The flight, piloted by .