cosmic microwave background


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Related to cosmic microwave background: cosmic background radiation
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Noun1.cosmic microwave background - (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 2.725 kelvin
cosmogeny, cosmogony, cosmology - the branch of astrophysics that studies the origin and evolution and structure of the universe
cosmic radiation - radiation coming from outside the solar system
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References in periodicals archive ?
"This is good news for those who study polarization of the cosmic microwave background, since the signal from spinning nanodiamonds would be weakly polarized at best," said Brian Mason, an astronomer at the National Radio Astronomy Observatory and coauthor on the paper.
Aird et al., "A measurement of the damping tail of the cosmic microwave background power spectrum with the south pole telescope," The Astrophysical Journal, vol.743,no.1,article28,2011.
"And it tells us a lot about the way galaxies form when we compare this to other galaxies." When Planck's work ends it will show the most precise picture of the cosmic microwave background ever.
The Cosmic Microwave Background Radiation was discovered by accident in 1965 by two Bell Laboratory scientists, Arno Penzias and Robert Wilson, as they tracked down sources of radio interference.
Planck will study the Cosmic Microwave Background - faintly glowing radiation left behind by the Big Bang which gave birth to the universe 13 billion years ago.
Preliminary results from the COBE differential microwave interferometers: large angular scale isotropy of the Cosmic Microwave Background. Astrophys.
Author of over 500 papers and numerous books, Professor Rees is particularly known for advancing our understanding of the origin of the cosmic microwave background radiation, as well as galaxy clustering and formation.
The region had already been identified as a "cold spot" because it stood out on a map of the Cosmic Microwave Background (CMB), a faint echo of remnant radiation from the Big Bang that gave birth to the universe.
The mid-1960S detection of the cosmic microwave background, a pervasive radiation field predicted by Big Bang theorists, turned professional opinion in cosmology sharply away from the steady state.
Theorists in the 1960s suggested that the primordial seeds of galaxies should be seen as ripples in the Cosmic Microwave Background radiation emitted in the heat left over from the Big Bang, when the universe was a mere 350,000 years old.
This afterglow is called cosmic microwave background radiation.
The image shows the ``afterglow'' of the Big Bang, called the cosmic microwave background, and ``freezes'' the universe at a point when it was only 380,000 years old.