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10:39, 12 May 2009 Daniel Perley talk contribs uploaded File:GRB illustration Earth.jpg (Artist's illustration of the impact of an very nearby gamma-ray burst on Earth's atmosphere. The (invisible) gamma-rays are depicted in white. Gamma-ray irradiation of the upper atmosphere causes the formation of a brown smog of nitrogen dioxide. Image)
10:27, 12 May 2009 Daniel Perley talk contribs uploaded File:GRB080319B illustration NASA.jpg (Artist's illustration of one model of the bright gamma-ray burst GRB 080319B. The explosion is highly beamed into two bipolar jets, with a narrow inner jet surrounded by a wider outer jet. Credit: NASA/Swift/Mary Pat Hrybyk-Keith and John Jones. )