NICER Catches Milestone X-ray Burst
By NASA GoddardFrom BoclipsOctober 8, 2025
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.
Credit: NASA's Goddard Space Flight Center
Credit: NASA's Goddard Space Flight Center
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