• Thumbnail for Cosmic microwave background
    The cosmic microwave background (CMB, CMBR), or relic radiation, is microwave radiation that fills all space in the observable universe. With a standard...
    108 KB (13,172 words) - 18:52, 18 September 2024
  • Thumbnail for Cosmic Background Explorer
    operated from 1989 to 1993. Its goals were to investigate the cosmic microwave background radiation (CMB or CMBR) of the universe and provide measurements...
    33 KB (3,843 words) - 00:40, 28 October 2024
  • Thumbnail for Cosmic background radiation
    region of the spectrum that is observed. One component is the cosmic microwave background. This component is redshifted photons that have freely streamed...
    5 KB (514 words) - 00:56, 11 January 2024
  • Thumbnail for Discovery of cosmic microwave background radiation
    The discovery of cosmic microwave background radiation constitutes a major development in modern physical cosmology. In 1964, US physicist Arno Allan...
    14 KB (1,506 words) - 20:43, 5 June 2024
  • Thumbnail for Cosmic neutrino background
    relic neutrinos. The CνB is a relic of the Big Bang; while the cosmic microwave background radiation (CMB) dates from when the universe was 379,000 years...
    19 KB (2,354 words) - 20:20, 13 September 2024
  • Thumbnail for List of cosmic microwave background experiments
    This list is a compilation of experiments measuring the cosmic microwave background (CMB) radiation anisotropies and polarization since the first detection...
    44 KB (2,472 words) - 05:41, 14 September 2024
  • Thumbnail for Cosmic inflation
    appears to be the same in all directions (isotropic), why the cosmic microwave background radiation is distributed evenly, why the universe is flat, and...
    108 KB (12,912 words) - 15:10, 15 November 2024
  • Thumbnail for Observational cosmology
    to measurements of the elemental composition of meteorites. A cosmic microwave background was predicted in 1948 by George Gamow and Ralph Alpher, and by...
    22 KB (4,318 words) - 13:15, 23 September 2024
  • Thumbnail for Dark matter
    collisions, the motion of galaxies within galaxy clusters, and cosmic microwave background anisotropies. In the standard lambda-CDM model of cosmology,...
    134 KB (14,619 words) - 01:28, 22 November 2024
  • Thumbnail for Cosmic microwave background spectral distortions
    CMB spectral distortions are tiny departures of the average cosmic microwave background (CMB) frequency spectrum from the predictions given by a perfect...
    22 KB (2,860 words) - 21:13, 23 July 2024
  • The Cosmic Anisotropy Telescope (CAT) was a three-element interferometer for cosmic microwave background radiation (CMB/R) observations at 13 to 17 GHz...
    1 KB (110 words) - 14:35, 30 October 2024
  • Thumbnail for Void (astronomy)
    Voids appear to correlate with the observed temperature of the cosmic microwave background (CMB) because of the Sachs–Wolfe effect. Colder regions correlate...
    37 KB (4,466 words) - 00:59, 18 November 2024
  • Thumbnail for Chronology of the universe
    today as the cosmic microwave background) and 21 cm radio emissions occasionally emitted by hydrogen atoms. This period is known as the cosmic Dark Ages...
    138 KB (13,947 words) - 15:11, 21 November 2024
  • Thumbnail for CMB cold spot
    seen in microwaves that has been found to be unusually large and cold relative to the expected properties of the cosmic microwave background radiation...
    24 KB (2,717 words) - 16:32, 23 August 2024
  • gases and producing radio waves. Cosmic microwave background radiation (CMBR) from outer space is also a form of cosmic noise. CMBR is thought to be a relic...
    7 KB (957 words) - 14:03, 20 November 2024
  • Thumbnail for Cosmic Background Imager
    the Chilean Andes. It started operations in 1999 to study the cosmic microwave background radiation and ran until 2008. CBI conducted measurements at frequencies...
    4 KB (481 words) - 19:58, 20 May 2022
  • Thumbnail for Steady-state model
    the cosmic microwave background radiation in 1964, which was predicted by the Big Bang theory. The steady-state model explained microwave background radiation...
    30 KB (3,509 words) - 00:14, 12 November 2024
  • Thumbnail for Sunyaev–Zeldovich effect
    abbreviated as the SZ effect) is the spectral distortion of the cosmic microwave background (CMB) through inverse Compton scattering by high-energy electrons...
    20 KB (2,206 words) - 16:34, 21 August 2024
  • Thumbnail for Cosmic variance
    we can only observe one Cosmic Microwave Background, so the measured positions of the peaks in the Cosmic Microwave Background spectrum, integrated over...
    8 KB (1,043 words) - 19:04, 24 December 2023
  • Thumbnail for Dark energy
    BOOMERanG and Maxima cosmic microwave background experiments observed the first acoustic peak in the cosmic microwave background, showing that the total...
    85 KB (9,515 words) - 16:45, 14 November 2024
  • Thumbnail for Shiny Joe Ryan
    have released nine albums. Ryan has issued two solo albums, The Cosmic Microwave Background (30 May 2014) and Shiny's Democracy (23 July 2021). He also does...
    8 KB (617 words) - 03:40, 20 November 2024
  • Thumbnail for Big Bang
    observed phenomena, including the abundance of light elements, the cosmic microwave background (CMB) radiation, and large-scale structure. The uniformity of...
    150 KB (16,122 words) - 12:38, 12 November 2024
  • Thumbnail for Expansion of the universe
    David Spergel's analysis of the cosmic microwave background during the first year observations of the Wilkinson Microwave Anisotropy Probe satellite (WMAP)...
    53 KB (6,979 words) - 12:02, 20 November 2024
  • Thumbnail for Observable universe
    calculations, the current comoving distance to particles from which the cosmic microwave background radiation (CMBR) was emitted, which represents the radius of...
    64 KB (6,628 words) - 03:14, 10 November 2024
  • of the same galaxy. A cosmic string would produce a similar duplicate image of fluctuations in the cosmic microwave background, which it was thought might...
    27 KB (3,433 words) - 12:27, 23 August 2024
  • Thumbnail for Lambda-CDM model
    reasonably good account of: the existence and structure of the cosmic microwave background the large-scale structure in the distribution of galaxies the...
    95 KB (11,063 words) - 18:43, 18 November 2024
  • Thumbnail for Physical cosmology
    cosmic microwave background in 1965 lent strong support to the Big Bang model, and since the precise measurements of the cosmic microwave background by...
    77 KB (7,671 words) - 13:04, 2 November 2024
  • Cosmic background may refer to: Cosmic microwave background radiation (CMB) Cosmic neutrino background (CνB) Cosmic gravitational wave background (GWB)...
    636 bytes (85 words) - 02:41, 28 May 2021
  • Thumbnail for Wilkinson Microwave Anisotropy Probe
    which measured temperature differences across the sky in the cosmic microwave background (CMB) – the radiant heat remaining from the Big Bang. Headed...
    50 KB (4,509 words) - 04:38, 28 July 2024
  • Thumbnail for Arno Allan Penzias
    astronomer. Along with Robert Woodrow Wilson, he discovered the cosmic microwave background radiation, for which he shared the Nobel Prize in Physics in...
    16 KB (1,460 words) - 22:15, 20 May 2024