GST Nature BBSO (IMAGE) New Jersey Institute of Technology Caption Extreme ultra-violet emission by solar coronal plasma at millions of degrees. Credit Atmospheric Imaging Assembly (AIA) on board NASA’s Solar Dynamics Observatory (SDO) spacecraft Usage Restrictions None License Original 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.