cosmic microwave background
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Cosmic Microwave Background. The 2006 Nobel Prizes. This year’s laureates. John C. Mather, Senior Astrophysicist at NASA’s Goddard Space Flight Center, MD George F. Smoot, Professor of Physics at the University of California, Berkeley - PowerPoint PPT PresentationTRANSCRIPT
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Cosmic Microwave Cosmic Microwave BackgroundBackground
The 2006 Nobel PrizesThe 2006 Nobel Prizes
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This year’s laureates John C. Mather, Senior Astrophysicist at NASA’s
Goddard Space Flight Center, MD
George F. Smoot, Professor of Physics at the University of California, Berkeley
“For their discovery of the basic form of the cosmic microwave background radiation as well as its small variations in different directions. The very detailed observations that the Laureates have carried out from the COBE satellite have played a major role in the development of modern cosmology into a precise science.”
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Memoirs J. C. Mather and J. Boslough, “The Very First Light,” 1996
G. Smoot and K. Davidson, “Wrinkles in Time,” 1993
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Outline Introduction The cosmic microwave background The COBE project Further work – The Wilkinson Microwave Asymmetry Probe A quick survey of modern cosmology The origin of microwave anisotropies Interpretation of data The concordant picture
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COBE Instrumentation Differential Microwave Radiometer (DMR) – Maps
variations in the CMB
Far-InfraRed Absolute Spectrophotometer (FIRAS) – Measures the spectrum of the CMB
Diffuse InfraRed Background Experiment (DIRBE) – Maps dust emission
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2.73 degrees
Not with a whimper
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Composition of the Universe
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Yes!