Watch an X-Class Solar Flare Ignite the Skies Over Iceland

On February 25th, the Sun let loose an X4.9-class solar flare. It was our parent star's most violent outburst of the year. When the debris from the ensuing coronal mass ejection collided with Earth's atmosphere, it produced one of the most colorful auroral displays in recent memory. » 4/03/14 11:04pm 4/03/14 11:04pm