A coronal mass ejection (IMAGE) University College London Caption A coronal mass ejection, or CME, erupting into space on 31 August, 2012. Pictured here is a blended version of the 171 and 304 angstrom wavelengths taken from the Solar Dynamics Observatory. Credit Source: NASA Goddard Space Flight Center Credit: NASA/GSFC/SDO 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.