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UC Irvine Expert
James Bullock discusses the Center for Cosmology, where scientists study how old the universe is, how big it is, and what it is made of.
About this expert
James Bullock, associate professor of physics and astronomy, is a theoretical cosmologist who studies galaxy formation. Bullock directs the Center for Cosmology at UC Irvine. More: www.physics.uci.edu/~bullock/