cosmic microwave background radiation


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Synonyms for cosmic microwave background radiation

(cosmology) the cooled remnant of the hot big bang that fills the entire universe and can be observed today with an average temperature of about 2

References in periodicals archive ?
In recent years, there have been some hypotheses suggesting that the spectrum and statistics of Cosmic Microwave Background Radiation has a kind of scale invariant character [1], which may be related to non-integer Hausdorff dimension.
According to a report in National Geographic News, the estimate was made using latest data from the Wilkinson Microwave Anisotropy Probe (WMAP), a satellite launched in 2001 that has been mapping what's known as the cosmic microwave background radiation.
This chart includes all known ranges of EMR including: gamma rays, X-rays, ultraviolet light, visible light, infrared, microwaves, radio waves (ULF, VLF, LF, MF, HF, long, short, HAM, VHF, UHF, SHF, EHF), cosmic microwave background radiation and brain waves, all organized by octaves.
They then added data about the clumpiness of the cosmic microwave background radiation as measured by the Wilkinson Microwave Anisotropy Probe (WMAP) one year ago (S&T: May 2003, page 16).
This spring, the European Space Agency is launching its Planck spacecraft, which will study cosmic microwave background radiation.
It wasn't until the mid-1960s that scientists using radio astronomy discovered cosmic microwave background radiation and pushed the Big Bang theory into prominence.
In addition, the amount of gas within a galaxy cluster can be determined by measuring the small distorting effect it has on the cosmic microwave background radiation.
Weeks and his collaborators were drawn to study the dodecahedron because recent observations of the universe's cosmic microwave background radiation have suggested that the universe either is flat or has slightly positive curvature, such as a sphere does.
From there it has been mapping the cosmic microwave background radiation that fills the sky.
"We tested void models against the latest data, including subtle features in the cosmic microwave background radiation - the afterglow of the Big Bang - and ripples in the large-scale distribution of matter," said Zibin.
Before that, the universe was so hot that there were no neutral atoms, only ions and electrons that trapped the cosmic microwave background radiation.
The cosmic microwave background radiation, or CMBR, is riddled with warm and cool spots, or anisotropies, whose temperature departs by a few parts in 100,000 from the average of 2.7[degrees] Kelvin.