Anatomy of a STEREO Sun Image (VIDEO) NASA/Goddard Space Flight Center This video is under embargo. Please login to access this video. Caption NASA's STEREO mission observed a coronal mass ejection on July 23, 2012 - one of the fastest CMEs on record. The video uses STEREO imagery from this rare event to describe features to pay attention to when viewing STEREO data. Credit NASA's Goddard Space Flight Center/STEREO/Joy Ng, producer Usage Restrictions None License Licensed content 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.