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LIGO
Laser Interferometer
Gravitational-Wave Observatory
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Operated by Caltech and MIT
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Latest Images

Latest Images
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GWTC-4 signal poster
August 26, 2025
Collage
GWTC-4 signal poster
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The Cosmic Neighborhood of Gravitat...
August 26, 2025
Chart
The Cosmic Neighborhood of Gravitational Waves
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Masses in the Stellar Graveyard
August 26, 2025
Chart
Masses in the Stellar Graveyard
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Get to Know GW230529
April 5, 2024
LIGO Lab • Artwork
GW230529 fact sheet
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Filling the Mass Gap: GW230529
April 5, 2024
LIGO Lab • Artwork
Compact binary merger GW230529 resides in the Mass Gap
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August 13, 2019
LIGO Lab • Collage
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GWgraph17


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LIGO Vacuum System Controls
October 19, 2016
LIGO Lab •
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Illustration of the first gravitati...
February 11, 2016
Artwork
Illustration of the first gravitational wave event observed by LIGO
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Latest Videos

Latest Videos
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GWTC-4 merger simulations
August 26, 2025
Education Video
Collection of merger simulations using numerical relativity
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Initial LIGO (iLIGO) to O4 Range Radii
March 18, 2025
LIGO Lab • Education Video
Animation of LIGO's range evolution, Initial LIGO to O4
Merger
GW230529 Merger (matter only)
April 5, 2024
LIGO Lab • Education Video
The visualization shows the coalescence and merger of a lower mass-gap black hole (dark gray surface) with a neutron star with colors ranging from dark orange (1 million tons per cubic centimeter) to white (600 million tons per cubic centimeter). The g...
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Contact LIGO Livingston

Physical/shipping address:
19100 LIGO Lane
Livingston, LA 70754

Postal address:
PO Box 940
Livingston, LA 70754

Other Outreach Inquiries: Outreach Department

Information: (225) 686-3100

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The LIGO Laboratory is supported by the U.S. National Science Foundation award PHY-2309200 and
operated jointly by Caltech and MIT. Any opinions, findings and conclusions or recommendations
expressed in this material do not necessarily reflect the views of the U.S. National Science Foundation.

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We observe and publish science with the Virgo Collaboration

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