0.1 second exposure of one of the brightest gamma-ray explosions ever seen

0.1 second exposure of one of the brightest gamma-ray explosions ever seen

0.1 second exposure of one of the brightest gamma-ray explosions ever seen

Swift's X-Ray Telescope took this 0.1-second exposure of one of the brightest gamma-ray explosions ever seen, named GRB 130427A, at 3:50 a.m. April 27, just moments after Swift and Fermi triggered on the outburst. The image is 6.5 arcminutes across.

Image: NASA/Swift/Stefan Immler
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