NICER Catches Milestone X-ray Burst (VIDEO) NASA/Goddard Space Flight Center This video is under embargo. Please login to access this video. Caption A thermonuclear blast on a pulsar called J1808 resulted in the brightest burst of X-rays seen to date by NASA's Neutron star Interior Composition Explorer (NICER) telescope. The explosion, which occurred on a pulsar known as J1808 on Aug. 20, 2019, released as much energy in 20 seconds as our Sun does in almost 10 days. Watch to see how scientists think this incredible explosion occurred. Watch on YouTube: https://youtu.be/1FkoWncpMYg Download in HD: https://svs.gsfc.nasa.gov/13419 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.