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Laser Interferometer
Gravitational-Wave Observatory
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    A “bang” in LIGO and Virgo detectors signals most massive gravitational-wave source yet

    News Release • September 2, 2020

    GW190521, a binary black hole merger likely produced gravitational waves equal to the energy of eight suns.

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    LIGO-Virgo Finds Mystery Object in "Mass Gap"

    News Release • June 23, 2020

    LIGO and Virgo report the observation of a merger involving a black hole of 23 solar masses and a compact object of 2.6 solar masses, detected during LIGO’s and Virgo’s 3rd observing run on August 14, 2019. The merger resulted in a final black hole of about 25 solar masses, located about 800 million light-years from Earth.

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    What are gravitational waves? Why are we looking for them? LIGO's impact Public alerts of candidate events
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LIGO and Virgo to Receive IEEE Milestone Plaques

News Release • January 22, 2021

IEEE to bestow the Milestone awards to the gravitational-wave observatories of LIGO and Virgo.

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Winner of the 2020 Award for Excellence in Detector Characterization and Calibration Announced

News Release • November 23, 2020

LIGO, Virgo and Kagra Observing Run Plans

News Release • November 17, 2020

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LIGO is jointly operated by Caltech and MIT
LIGO is supported by the U.S. National Science Foundation

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