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Displayed background gamma radiation level is 9.8 μR/h (0.82 mSv/a) This is very close to the world average background radiation of 0.87 mSv/a from cosmic and terrestrial sources. Cloud chambers used by early researchers first detected cosmic rays and other background radiation. They can be used to visualize the background radiation
The anisotropy, or directional dependency, of the cosmic microwave background is divided into two types: primary anisotropy, due to effects that occur at the surface of last scattering and before; and secondary anisotropy, due to effects such as interactions of the background radiation with intervening hot gas or gravitational potentials, which ...
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.
Background radiation, which actually refers to background ionizing radiation; ... Q&A: Health effects of radiation exposure, BBC News, 21 July 2011. John Tyndall ...
Background radiation is largely homogeneous and isotropic. A slight detectable anisotropy is present which correlates to galaxy filaments and voids . [ 2 ] [ 3 ] The discovery (by chance in 1965) of the cosmic background radiation suggests that the early universe was dominated by a radiation field, a field of extremely high temperature and ...
George Smoot on Nobelprize.org including the Nobel Lecture December 8, 2006 Cosmic Microwave Background Radiation Anisotropies: Their Discovery and Utilization; Contemplating the birth of the universe Archived 2008-03-13 at the Wayback Machine; George Smoot on the design of the universe; George Smoot at IMDb; George Smoot chairs the Eutelsat ...
Radiation (BBC Recordings 84–86) is a collection of recordings from Cabaret Voltaire during their most accessible period. [2] [3] [4] [5] They were also made in the ...
Pages in category "Background radiation" The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes. ...