"The universe is filled with thermal radiation having a current temperature of 2.75 K. Originating in the very early universe, this radiation furnishes strong evidence that the Big Bang cosmology best describes our expanding universe from an incredibly hot, compacted early stage until now. The model can be used to extrapolate our physics backward in time to predict events whose effects might be observable in the 2.75 K radiation today. The spectrum and isotropy are being studied with sophisticated microwave radiometers on the ground, in balloons, and in satellites. The results are as predicted by the simple theory: the spectrum is that of a blackbody (to a few percent) and the radiation is isotropic (to 0.01 percent) except for a local effect due to our motion through the radiation."
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Academics from the United StatesCosmologistsPhysicists from the United StatesPrinceton University faculty
Original Language: English
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David Todd Wilkinson
(May 13, 1935 – September 5, 2002) was an American cosmologist and a professor of physics at Princeton University. He was elected a Member of the National Academy of Sciences in 1983. The (WMAP) is named in his honor.
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