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COSMIC FIREWORKS

November 13, 2018 - UD astronomers detect once-in-a-lifetime gamma rays. Scientists have discovered something amazing. In a cluster of some of the most massive and luminous stars in our galaxy, about 5,000 light years from Earth, astronomers detected particles being accelerated by a rapidly rotating neutron star as it passed by the massive star it orbits only once every 50 years. The discovery is extremely rare, according to University of Delaware astrophysicist Jamie Holder and doctoral student Tyler Williamson, who were part of the international team that documented the occurrence.