Hubble Captures Supernova's Light Echo (VIDEO) NASA/Goddard Space Flight Center This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Over a period of two and a half years, NASA's Hubble Space Telescope observed the "light echo" of supernova SN 2014J in galaxy M82, located 11.4 million light-years away. Credit NASA's Goddard Space flight Center 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.