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Associated Press
This image released on Thursday March 21, 2013 released by the European Space Agency (ESA) shows the most detailed map ever created of the cosmic microwave background acquired by ESA's Planck space telescope. George Esfthathiou, an astrophysicist who announced the Planck satellite mapping on Thursday, says the findings also offer new specificity of the universe's composition. (AP Photo/ESA­Planck Collaboration)

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