This site allows users to study maps and read a description about the Wilkinson Microwave Anisotropy Probe (WMAP), which has made a new determination of the age of the universe and collected data on the oldest light in the universe, microwave "light" captured from 379,000 years after the Big Bang.

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Publisher: National Aeronautics and Space Administration
Goddard Space Flight Center
http://www.nasa.gov/centers/goddard/home/index.html