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Jun. 22, 2012
More to the Universe Than Meets the Eye
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The universe is full of invisible stuff--dark matter, for example, outnumbers visible matter by a ratio of five to one. Some theoretical physicists think dark matter may be lurking in extra dimensions. Cosmologist Michael Turner discusses the dark side of the universe, and how physicists are studying it.
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Guests
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Michael Turner
Professor, Astronomy, Astrophysics, and Physics
University of Chicago
Chicago, Illinois
FEATURED READING
Brilliant Blunders
by Mario Livio
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