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University of Wisconsin-Madison

The main goal of the Observational Cosmology group at UW-Madison is to answer the fundamental question about the beginning and evolution of the universe. We specialize in precision measurements of the cosmic microwave background radiation, the oldest light in the universe, to learn about the epoch of inflation, roughly 10^ -36 seconds after the Big Bang. We are also developing techniques for observing the redshifted 21-cm line of neutral hydrogen gas to study the accelerated expansion of the universe, which is thought to arise from 'dark energy'.

 
Last updated: 01/31/2009
 
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