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Topic: Discovery of cosmic microwave background radiation


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In the News (Fri 11 Dec 09)

  
  Cosmic Microwave Background Radiation Encyclopedia Articles @ LaunchBase.com (Launch Base)   (Site not responding. Last check: 2007-10-21)
The cosmic microwave background was predicted by George Gamow, Ralph Alpher, and Robert Hermann in 1948.
The interpretation of the cosmic microwave background was a controversial issue in the 1960s with some proponents of the steady state theory arguing that the microwave background was the result of scattered starlight from distant galaxies.
This leads to cosmic variance in which the uncertainties in the variance of the largest scale fluctuations observed in the universe are difficult to accurately compare to theory.
www.launchbase.com /encyclopedia/Cosmic_microwave_background_radiation   (3135 words)

  
 Nobel Prize in Physics - Wikipedia, the free encyclopedia
"for the discovery of the connection between collective motion and particle motion in atomic nuclei and the development of the theory of the structure of the atomic nucleus based on this connection"
In other words: for discovery of the J/Ψ particle as it confirmed the idea that baryonic matter (such as the nuclei of atoms) is made out of quarks.
"for the discovery of violations of fundamental symmetry principles in the decay of neutral K-mesons".
en.wikipedia.org /wiki/Nobel_Prize/Physics   (2263 words)

  
 Cosmic microwave background radiation - InfoSearchPoint.com   (Site not responding. Last check: 2007-10-21)
When it originated some 300,000 years after the Big Bang --this point in time is generally known as the "last scattering surface"-- the temperature of the Universe was about 6000 K.
Probably still the most famous of these is the Cosmic Background Explorer (COBE) satellite that was flown in 1989-1996, which made the first detection of the large scale anisotropies (other than the dipole).
The results are broadly consistent with those expected from cosmic inflation as well as various other competing theories, and are available in detail at http://lambda.gsfc.nasa.gov/.
www.infosearchpoint.com /display/Cosmic_microwave_background_radiation   (515 words)

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