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NASAs Fermi Detects the Highest-Energy Light From a Solar
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NASA's Fermi Detects the Highest-Energy Light From a Solar Flare

January 11, 2013
This image from Fermi's Large Area Telescope (LAT) shows how the entire sky looked on March 7 in the light of gamma rays with energies beyond 100 MeV. Although the Vela pulsar is the brightest continuous LAT source, it was outmatched this day by the X5.4 solar flare, which brightened the gamma-ray sun by 1,000 times. (Credit: NASA/DOE/Fermi LAT Collaboration)