STEREO Captures Fastest CME to Date (video) NASA/Goddard Space Flight Center Loading video... Caption This movie shows a coronal mass ejection (CME) on the sun from July 22, 2012 at 10 p.m. EDT until 2 a.m. July 23 as captured by NASA's Solar TErrestrial RElations Observatory-Ahead (STEREO-A). Because the CME headed in STEREO-A's direction, it appears like a giant halo around the sun. NOTE: This video loops three times. Credit NASA/SDO Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.