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The discovery of cosmic microwave background radiation constitutes a major development in modern physical cosmology.In 1964, US physicist Arno Allan Penzias and radio-astronomer Robert Woodrow Wilson discovered the cosmic microwave background (CMB), estimating its temperature as 3.5 K, as they experimented with the Holmdel Horn Antenna.
Bell Labs' horn antenna, April 2007. The horn antenna at Bell Telephone Laboratories in Holmdel, New Jersey, was constructed on Crawford Hill in 1959 to support Project Echo, the National Aeronautics and Space Administration's passive communications satellites, [8] [5] which used large aluminized plastic balloons (satellite balloon) as reflectors to bounce radio signals from one point on the ...
Robert Woodrow Wilson (born January 10, 1936) is an American astronomer who, along with Arno Allan Penzias, discovered cosmic microwave background radiation (CMB) in 1964. [1] The pair won the 1978 Nobel Prize in Physics for its discovery.
The Holmdel Horn Antenna on which Penzias and Wilson discovered the cosmic microwave background. [19] The first published recognition of the CMB radiation as a detectable phenomenon appeared in a brief paper by Soviet astrophysicists A. G. Doroshkevich and Igor Novikov, in the spring of 1964. [20]
Stadium on 22.2, TBD on 22.3, Antenna TV on 22.4 Raleigh: Durham: 28 14 WRDC: MyNet: Charge! on 28.2, Comet on 28.3 Wilson: 30 20 WRAY-TV: TCT: Roanoke Rapids: 36 27 WUNP-TV: The Explorer Channel satellite of WUNC-TV ch. 4 Chapel Hill PBS on 36.2, PBS Kids on 36.3, The North Carolina Channel on 36.4 Fayetteville: 40 22 WUVC-DT: UNI
Penzias went on to work at Bell Labs in Holmdel Township, New Jersey, where, with Robert Woodrow Wilson, he worked on ultra-sensitive cryogenic microwave receivers, intended for radio astronomy observations. In 1964, on building their most sensitive antenna/receiver system, the pair encountered radio noise that they could not explain. [9]
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