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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.
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]
Antennas on Mount Wilson, covered in ice. Where terrain and road access allows, mountaintop sites are very attractive for non-AM broadcast stations and others, because it increases the stations' height above average terrain, allowing them to reach further by avoiding obstructions on the ground, and by increasing the radio horizon.
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 ...
Probably the most photographed and well-known example is the 15-meter-long (50-foot) Holmdel Horn Antenna [21] at Bell Labs in Holmdel, New Jersey, with which Arno Penzias and Robert Wilson discovered cosmic microwave background radiation in 1965, for which they won the 1978 Nobel Prize in Physics.
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Antennas on Mount Wilson, covered in ice after heavy snowfall. The first television antenna on Mount Wilson was erected in 1947 for pioneer station KTLA channel 5. At about the same time, the first FM station broadcast from Mount Wilson, which was the old KFI-FM on 105.9 FM (signed off in 1950).
From hero to zero. Ten years ago, Russell Wilson was the talk of the NFL. He had led the Seahawks to a dominant victory at Super Bowl 48, the franchise’s first ever title, in just his second ...
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