NASA's STEREO detects a CME from the sun

On 5:24 a.m. EDT on May 17, 2013, the sun erupted with an Earth-directed coronal mass ejection or CME, a solar phenomenon that can send billions of tons of solar particles into space that can reach Earth one to three days later and affect electronic systems in satellites and on the ground.

Fuente : http://www.eurekalert.org/pub_releases/2013-05/nsf...