An X1.4 Solar Flare and a CME
Friday, September 23, 2011 - 07:31
in Astronomy & Space
(PhysOrg.com) -- A large coronal mass ejection (CME) shot off the West (right) side of the sun at 6:24 PM ET on September 21, 2011. The CME is moving away from Earth at about 900 miles per second.