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        WMAP: Baby Picture of the Universe

        The cosmic microwave background -- a nearly uniform distribution of radiation that pervades the sky -- is a remnant from the Big Bang and the oldest light in the universe. The Wilkinson Microwave Anisotropy Probe (WMAP), launched in 2001, provided an extremely detailed map of the cosmic microwave background that has contributed to our understanding of cosmology. In these images from NASA, see the detailed image from WMAP and a basic timeline of events since the Big Bang.

        This media asset comes from the NASA/WMAP Science Team.

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