AAS 197, January 2001
Session 32. Warner Prize Lecture
Invited, Monday, January 8, 2001, 3:15-4:00pm, Golden Ballroom

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[32.01] The Physics of Cosmic Microwave Background Anisotropies and their Cosmological Implications

W. Hu (U. Chicago)

Temperature maps of the cosmic microwave background provide us with the most direct and precise information about the the infant universe available today. The recent explosion of data from balloon and ground based experiments has ushered in a golden age for the field which will culminate in two satellite missions. I will review the physics behind the interpretation of these data and their implications for cosmology. The current data sets are already shedding light on the geometry of the universe and its dark constituents: the dark baryons, dark matter and dark energy.

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