cosmic microwave background


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Related to cosmic microwave background: cosmic background radiation

cosmic microwave background

[′käz·mik ′mī·krō‚wāv ′bak‚grau̇nd]
References in periodicals archive ?
So the relativistic lowering of the Cosmic Microwave Background temperature due to the Doppler effect on its dipole component, the source of which moves away from the Earth (the source of the monopole), is in good agreement with that observed by COBE.
Adding in data from cosmic microwave background probes allows another computation of the Hubble constant.
WMAP helps detect tiny fluctuations, or anisotropy, in the cosmic microwave background which are related to fluctuations in the density of matter in the early universe and thus carry information about the initial conditions for the formation of cosmic structures such as galaxies, clusters, and voids.
This is what is seen as a circle in our cosmic microwave background sky, and it should look like a fairly uniform circle.
These waves, some created a mere fraction of a second after the Big Bang, were free to leave their subtle imprint on the cosmic microwave background when that radiation began streaming into space.
In 2001, Cramer wrote a science-based column for Analog Science Fiction and Fact magazine describing the likely sound of the Big Bang based on cosmic microwave background radiation observations taken from balloon experiments and satellites.
Their test relies on the cosmic microwave background radiation that bathes all parts of the universe.
More complete data were recently gathered by an international collaboration using the European Space Agency's Planck satellite mission, which has detectors so sensitive that they can distinguish temperature variations of a few millionths of a degree in the cosmic microwave background.
And now suddenly comes this idea in from left field, suggesting not only that it might be possible to see them, but even that we might already have seen them, imprinted in the cosmic microwave background.
21 ( ANI ): The most detailed map ever created of the cosmic microwave background - the relic radiation from the Big Bang - obtained by the European Space Agency's Planck space telescope has revealed the existence of features that challenge the foundations of our current understanding of the Universe.
The luminous disc would be due to Cosmic Microwave Background (CMB) radiation being shifted into the visible part of the light spectrum.
Planck's primary task is to capture the most ancient light of the cosmos, the Cosmic Microwave Background, or CMB.