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Diffuse 511 keV emission
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Diffuse 511 keV emission

January 5, 2013
Map of the distribution of positrons towards the center of the Milky Way Galaxy, including the newly discovered antimatter "cloud". The brightest feature corresponds to the nucleus of the Galaxy. The horizontal structure lies along the plane of the Galaxy. The antimatter "cloud" is located above the Galactic center. Courtesy of D.D.Dixon (University of California, Riverside) and W.R.Purcell (Northwestern University) Copyright: Courtesy of D.D.Dixon (University of California, Riverside) and W.R.Purcell (Northwestern University)


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