Coronal Mass Ejection (IMAGE) NOAA Headquarters Caption On June 20, 2013, NASA's Solar Dynamics Observatory spacecraft captured this coronal mass ejection (CME). A solar phenomenon that can send billions of tons of particles into space that can reach Earth one to three days later. Credit NASA 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.