On April 27, several satellites — including NASA's Swift satellite and Fermi Gamma-ray Space Telescope — observed an unusually bright burst of gamma radiation. The explosion unleashed an energetic jet of particles that traveled at nearly the speed of light, researchers said. brightest gamma-ray burst ever recorded, and was triggered by an extremely powerful stellar explosion, new research reports. Brightest explosion ever seen in the universe By Denise Chow Published November 22, 2013Space.com
On April 27, several satellites — including NASA's Swift satellite and Fermi Gamma-ray Space Telescope — observed an unusually bright burst of gamma radiation. The explosion unleashed an energetic jet of particles that traveled at nearly the speed of light, researchers said. brightest gamma-ray burst ever recorded, and was triggered by an extremely powerful stellar explosion, new research reports.
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By Denise Chow Published November 22, 2013Space.com