• 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
  • 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 Sunyaev–Zeldovich effect
    and often abbreviated as the SZ effect) is the spectral distortion of the cosmic microwave background (CMB) through inverse Compton scattering by high-energy...
    20 KB (2,206 words) - 16:34, 21 August 2024
  • Thumbnail for Sachs–Wolfe effect
    assumptions of the analysis. Sunyaev–Zeldovich effect Cosmic microwave background spectral distortions Sachs, R. K.; Wolfe, A. M. (1967). "Perturbations of...
    8 KB (994 words) - 21:13, 22 August 2024
  • Thumbnail for Redshift-space distortions
    Universe, and how gravity behaves on large scales. Cosmic microwave background spectral distortions Specific citations: Jackson, J. C. (1972). "A Critique...
    6 KB (778 words) - 17:45, 18 July 2024
  • Physics portal Big Bang Cosmological perturbation theory Cosmic microwave background spectral distortions Press–Schechter formalism Primordial gravitational...
    7 KB (1,000 words) - 06:52, 16 March 2024
  • source Astronomical X-ray sources Background radiation Bremsstrahlung Cosmic microwave background spectral distortions Cyclotron radiation Electromagnetic...
    4 KB (331 words) - 12:30, 25 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 Redshift
    Redshift (redirect from Spectral shift)
    "Cosmic Detectives". The European Space Agency (ESA). 2013-04-02. Retrieved 2013-04-25. An accurate measurement of the cosmic microwave background was...
    87 KB (9,312 words) - 16:06, 12 November 2024
  • covariant perturbation theory. Primordial fluctuations Cosmic microwave background spectral distortions Fry, J. N. (April 1984). "The Galaxy correlation hierarchy...
    15 KB (2,050 words) - 13:23, 28 October 2023
  • Thumbnail for Noise (electronics)
    reduction through cancellation Colors of noise Discovery of cosmic microwave background radiation Error detection and correction for digital signals...
    17 KB (2,201 words) - 16:46, 6 August 2024
  • Thumbnail for Redshift survey
    In conjunction with observations of early structure in the cosmic microwave background, these results can place strong constraints on cosmological parameters...
    9 KB (996 words) - 02:40, 23 October 2024
  • Thumbnail for List of space telescopes
    redshifted galaxies. Microwave space telescopes have primarily been used to measure cosmological parameters from the Cosmic Microwave Background. They also measure...
    130 KB (5,634 words) - 14:00, 4 November 2024
  • Thumbnail for Gravitational-wave observatory
    stochastic background of nanohertz gravitational waves. The source of this background could not yet be identified. The cosmic microwave background, radiation...
    36 KB (4,118 words) - 03:28, 21 November 2024
  • Thumbnail for Observational astronomy
    "radio maps"). The development of the microwave horn receiver led to the discovery of the microwave background radiation associated with the Big Bang...
    27 KB (3,375 words) - 11:46, 4 May 2024
  • origin of the observed background. Primordial gravitational waves are gravitational waves observed in the cosmic microwave background. They were allegedly...
    106 KB (12,668 words) - 03:05, 12 November 2024
  • Thumbnail for Sloan Digital Sky Survey
    The Sloan Digital Sky Survey or SDSS is a major multi-spectral imaging and spectroscopic redshift survey using a dedicated 2.5-m wide-angle optical telescope...
    34 KB (3,956 words) - 08:07, 21 November 2024
  • Thumbnail for Hubble Space Telescope
    orbit outside the distortion of Earth's atmosphere allows it to capture extremely high-resolution images with substantially lower background light than ground-based...
    219 KB (21,787 words) - 19:04, 15 November 2024
  • Thumbnail for Astrophysical X-ray source
    Observatory. Seyfert galaxies are a class of galaxies with nuclei that produce spectral line emission from highly ionized gas. They are a subclass of active galactic...
    77 KB (8,344 words) - 19:33, 15 June 2024
  • gravitational waves generated during cosmic inflation, which may be detected in the cosmic microwave background polarization or by a proposed space-based...
    103 KB (12,444 words) - 00:19, 24 September 2024
  • Thumbnail for Sun
    of the star Vega. The Milky Way is moving with respect to the cosmic microwave background radiation (CMB) in the direction of the constellation Hydra with...
    165 KB (18,112 words) - 01:49, 14 November 2024
  • Thumbnail for Milky Way
    the Virgo Cluster. Another reference frame is provided by the cosmic microwave background (CMB), in which the CMB temperature is least distorted by Doppler...
    217 KB (21,681 words) - 08:41, 19 November 2024
  • Thumbnail for Zero-point energy
    appears to be the same in all directions (isotropic), why the cosmic microwave background radiation is distributed evenly, why the Universe is flat, and...
    209 KB (26,941 words) - 14:00, 28 October 2024
  • Johann Jakob Balmer discovers a numerical relationship between visible spectral lines of hydrogen, the Balmer series. 1887 – Heinrich Hertz discovers the...
    81 KB (9,961 words) - 12:56, 4 August 2024
  • Thumbnail for Extinction (astronomy)
    Dust Infrared Emission for Use in Estimation of Reddening and Cosmic Microwave Background Radiation Foregrounds". Astrophysical Journal. 500 (2): 525–553...
    32 KB (3,488 words) - 21:03, 17 July 2024
  • matter far smaller than those found in terrestrial dust. cosmic microwave background (CMB) cosmic ray A type of radiation consisting of high-energy protons...
    161 KB (18,470 words) - 08:08, 9 October 2024
  • Thumbnail for Interferometry
    step (the output of a microwave source, far infrared laser, infrared laser, or visible laser). Each measurement of a single spectral line required several...
    97 KB (11,140 words) - 12:33, 2 October 2024
  • nucleosynthesis, introduced the Big Bang nucleosynthesis theory, predicted cosmic microwave background Matvey Gusev, the first to prove the non-sphericity of the Moon...
    94 KB (9,592 words) - 00:09, 16 November 2024
  • Thumbnail for List of vacuum tubes
    500 pm wavelength range ZP1700 – Halogen-quenched, cosmic-ray guard counter tube for low-background measurements; to be used with another radiation counter...
    329 KB (40,580 words) - 23:52, 20 October 2024
  • "after-glow" is the Big Bang from 13.7 billion years ago is called the cosmic microwave background (CMB), which is the supporting evidence that the "Big Bang" occurred...
    93 KB (1,695 words) - 16:30, 5 October 2024