The gamma-ray sky before and after GRB 130427A

Grb130427a_before_after-lat-2121x1242

These images from the Fermi Gamma-ray Space Telescope show the northern galactic hemisphere of the gamma-ray sky before and after GRB
130427A.

For more information and other images, see the NASA press release at http://www.nasa.gov/topics/universe/features/shocking-burst.html

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grb130427a_before_after-lat-2121x1242.jpg