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Space sciences/Astronomy/Celestial bodies/Stars/Compact stars

NASA’s Swift satellite has captured an event in the cosmos like nothing ever seen before, researchers say in the 17 June issue of Science. A high-energy gamma-ray burst known as Sw1644+57, located at the center of a small, star-forming galaxy, is burning much longer and much brighter than astronomers had expected it to—and two separate teams of researchers are trying to figure out why.