A Coronal Mass Ejection on Jan. 13, 2013 (image) NASA/Goddard Space Flight Center Caption This triptych shows a coronal mass ejection or CME as it burst off of the sun in the morning of Jan. 13, 2013. The images were captured by NASA's Solar Terrestrial Relations Observatory (STEREO). Credit Credit: NASA/STEREO 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.