• Poincaré in 1905 as the gravitational equivalent of electromagnetic waves. In 1916, Albert Einstein demonstrated that gravitational waves result from his general...
    110 KB (13,055 words) - 13:05, 15 July 2025
  • Allegro was a ground-based, cryogenic resonant Weber bar, gravitational-wave detector run by Warren Johnson, et al. at Louisiana State University in Baton...
    2 KB (290 words) - 21:55, 28 October 2023
  • Thumbnail for Gravitational-wave observatory
    A gravitational-wave detector (used in a gravitational-wave observatory) is any device designed to measure tiny distortions of spacetime called gravitational...
    37 KB (4,212 words) - 07:29, 22 June 2025
  • Líneas Aéreas Allegro, a Mexican airline Allegro gravitational-wave detector ALLEGRO, European experimental gas-cooled fast reactor Allegro (software library)...
    2 KB (290 words) - 13:20, 14 May 2025
  • the US) in planning the LIGO-India project, a planned advanced gravitational-wave detector to be located in India, whose concept proposal is now under active...
    12 KB (1,271 words) - 04:01, 21 July 2025
  • Thumbnail for LIGO
    to 2010, but no gravitational waves were detected during that period. The Advanced LIGO Project to enhance the original LIGO detectors began in 2008, and...
    99 KB (9,356 words) - 05:48, 31 July 2025
  • Thumbnail for Gravitational-wave astronomy
    fluctuations, gravitational radiation involves fluctuations of the relatively weaker gravitational field. The existence of gravitational waves was first suggested...
    45 KB (4,835 words) - 22:00, 16 May 2025
  • Schenberg (Gravitational Wave Detector, or Brazilian Graviton Project or Graviton) is a spherical, resonant-mass, gravitational wave detector formerly run...
    2 KB (279 words) - 22:01, 28 October 2023
  • space-based, gravitational wave observatory. The laser interferometric gravitational wave detector is so named because it is designed to be most sensitive in the...
    15 KB (766 words) - 02:51, 9 May 2025
  • Thumbnail for KAGRA
    The Kamioka Gravitational Wave Detector (KAGRA) is a large interferometer designed to detect gravitational waves predicted by the general theory of relativity...
    11 KB (1,111 words) - 13:15, 13 July 2025
  • Thumbnail for List of gravitational wave observations
    contains a list of observed and candidate gravitational wave events. Direct observation of gravitational waves, which commenced with the detection of an...
    257 KB (7,094 words) - 16:07, 5 August 2025
  • Thumbnail for Gravitational wave background
    The gravitational wave background (also GWB and stochastic background) is a random background of gravitational waves permeating the Universe, which is...
    19 KB (1,955 words) - 12:01, 30 June 2025
  • Thumbnail for First observation of gravitational waves
    LIGO detector and the observation of gravitational waves". The observation was heralded as inaugurating a revolutionary era of gravitational-wave astronomy...
    70 KB (7,592 words) - 19:07, 6 May 2025
  • alerts from gravitational wave detectors, the reverse also exists: electromagnetic events expected to have an associated gravitational wave emission are...
    85 KB (9,839 words) - 10:05, 17 July 2025
  • Thumbnail for Laser Interferometer Space Antenna
    studies for a gravitational-wave detector to be flown in space were performed in the 1980s under the name LAGOS (Laser Antena for Gravitational radiation...
    61 KB (5,441 words) - 03:31, 2 August 2025
  • of the perihelion of Mercury, the bending of light in gravitational fields, and the gravitational redshift. The precession of Mercury was already known;...
    103 KB (12,426 words) - 05:19, 11 July 2025
  • Thumbnail for North American Nanohertz Observatory for Gravitational Waves
    gravity, and galactic astronomy. The idea to use pulsars as gravitational wave detectors was originally proposed by Sazhin and Detweiler in the late 1970s...
    12 KB (1,338 words) - 21:48, 4 August 2025
  • Thumbnail for Virgo interferometer
    Virgo interferometer (category Interferometric gravitational-wave instruments)
    large-scale scientific instrument near Pisa, Italy, for detecting gravitational waves. The detector is a Michelson interferometer, which can detect the minuscule...
    108 KB (10,800 words) - 20:37, 3 June 2025
  • MiniGrail (category Gravitational-wave telescopes)
    antenna, a massive sphere designed to detect gravitational waves. The MiniGRAIL was the first such detector to use a spherical design. It is located at...
    7 KB (724 words) - 16:52, 28 May 2025
  • Thumbnail for Weber bar
    Weber bar (category Gravitational-wave telescopes)
    A Weber bar is a type of Resonant Mass Gravitational Wave Detector designed to detect gravitational waves, devised and constructed by physicist Joseph...
    7 KB (667 words) - 01:45, 28 July 2025
  • of gravitation of common interest for the Members; promotes the co-operation in the field of the experimental and theoretical gravitational waves research...
    5 KB (455 words) - 13:51, 28 May 2025
  • interferometric gravitational wave detectors such as LIGO and VIRGO. A study of operational interferometric gravitational wave detectors shows that AIGO...
    7 KB (703 words) - 02:43, 17 October 2023
  • TianQin (category Gravitational-wave telescopes)
    Project (Chinese: 天琴计划) is a proposed space-borne gravitational-wave observatory (gravitational-wave detector) consisting of three spacecraft in Earth orbit...
    10 KB (931 words) - 03:52, 15 June 2024
  • next-generation ground-based gravitational wave observatory. It will consist of two L-shaped interferometers, similar to the LIGO detectors, but with significantly...
    8 KB (869 words) - 05:02, 21 July 2025
  • Thumbnail for GW190814
    GW190814 (category Gravitational waves)
    GW 190814 was a gravitational wave (GW) signal observed by the LIGO and Virgo detectors on 14 August 2019 at 21:10:39 UTC, and having a signal-to-noise...
    9 KB (786 words) - 19:54, 22 January 2025
  • Thumbnail for Speed of light
    particles and field perturbations, such as gravitational waves, also travel at speed c in vacuum. Such particles and waves travel at c regardless of the motion...
    141 KB (14,766 words) - 20:24, 26 July 2025
  • Chirp mass (category Gravitational-wave astronomy)
    system as a result of energy loss from emitting gravitational waves. Because the gravitational wave frequency is determined by orbital frequency, the...
    11 KB (1,525 words) - 20:44, 14 May 2025
  • Thumbnail for Neutron star
    the gravitationally collapsed core of a massive supergiant star. It results from the supernova explosion of a massive star—combined with gravitational collapse—that...
    117 KB (13,877 words) - 00:15, 3 August 2025
  • Thumbnail for NIOBE
    NIOBE (category Gravitational-wave telescopes)
    science runs from 1993-1998 with the gravitational-wave detectors Auriga, Allegro, Explorer and Nautillus. Gravitational-wave astronomy Aguiar, Odylio Denys...
    2 KB (122 words) - 22:02, 28 October 2023
  • Thumbnail for GW170817
    GW170817 (category Gravitational waves)
    GW170817 was a gravitational wave (GW) observed by the LIGO and Virgo detectors on 17 August 2017, originating within the shell elliptical galaxy NGC 4993...
    68 KB (5,915 words) - 17:47, 1 August 2025