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|  |  |  |  | | | X-ray shout echoing through space 26 January 2004
 | XMM-Newton's X-ray EPIC camera shows the expanding rings caused by a flash of X-rays scattered by dust in our Galaxy. The X-rays were produced by a powerful gamma-ray burst that took place on 3 December 2003. The slowly fading afterglow of the gamma-ray burst is at the centre of the expanding rings. Other, unrelated, X-ray sources can also be seen. The time since the gamma-ray explosion is shown in each panel in hours. At their largest size, the rings would appear in the sky about five times smaller than the full moon.
Credits: ESA, S. Vaughan (University of Leicester) |  |  |  |  |
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|  | More about... XMM-Newton overviewIntegral overviewRelated articles Observations: Seeing in X-ray wavelengthsIntegral's first look at the gamma-ray UniverseWhat are 'dark matter' and 'dark energy'?Observations: Seeing in the gamma-ray wavelengths
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