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     sciencefocus.com

     • Gravitational-wave astronomy is a subfield of astronomy concerned with the detection and study of gravitational waves emitted by astrophysical sources. Gravitational waves are minute distortions or ripples in spacetime caused by the acceleration of massive objects.
     en.wikipedia.org › wiki › Gravitational-wave_astronomy

     Gravitational-wave astronomy - Wikipedia

2. People also ask

   What is a gravitational wave?

   • The Short Answer: A gravitational wave is an invisible (yet incredibly fast) ripple in space. Gravitational waves travel at the speed of light (186,000 miles per second). These waves squeeze and stretch anything in their path as they pass by. A gravitational wave is an invisible (yet incredibly fast) ripple in space.

   What Is a Gravitational Wave? - NASA Space Place

   spaceplace.nasa.gov/gravitational-waves/en/

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   Why was direct observation of gravitational waves not possible?

   • Direct observation of gravitational waves was not possible for the many decades after they were predicted due to the minuscule effect that would need to be detected and separated from the background of vibrations present everywhere on Earth.

   First observation of gravitational waves - Wikipedia

   en.wikipedia.org/wiki/First_observation_of_gravitational_waves

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   Who discovered gravitational waves?

   • In 1993, Russell A. Hulse and Joseph Hooton Taylor Jr. received the Nobel Prize in Physics for this discovery. The first direct observation of gravitational waves was made in 2015, when a signal generated by the merger of two black holes was received by the LIGO gravitational wave detectors in Livingston, Louisiana, and in Hanford, Washington.

   Gravitational wave - Wikipedia

   en.wikipedia.org/wiki/Gravitational_wave

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   How fast do Gravitational waves travel?

   • Gravitational waves travel at the speed of light (186,000 miles per second). These waves squeeze and stretch anything in their path as they pass by. A gravitational wave is an invisible (yet incredibly fast) ripple in space. We’ve known about gravitational waves for a long time.

   What Is a Gravitational Wave? - NASA Space Place

   spaceplace.nasa.gov/gravitational-waves/en/

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3. en.wikipedia.org › wiki › First_observation_ofFirst observation of gravitational waves - Wikipedia

   en.wikipedia.org › wiki › First_observation_of

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   The first direct observation of gravitational waves was made on 14 September 2015 and was announced by the LIGO and Virgo collaborations on 11 February 2016. Previously, gravitational waves had been inferred only indirectly, via their effect on the timing of pulsars in binary star systems.

   • List of gravitational wave observations

     Joint observation runs of LIGO and VIRGO, designated "O1,...

   • Gravitational wave

     These propagating phenomena are known as gravitational...

4. spaceplace.nasa.gov › gravitational-waves › enWhat Is a Gravitational Wave? | NASA Space Place – NASA ...

   spaceplace.nasa.gov › gravitational-waves › en

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   May 6, 2024 · The Short Answer: A gravitational wave is an invisible (yet incredibly fast) ripple in space. Gravitational waves travel at the speed of light (186,000 miles per second). These waves squeeze and stretch anything in their path as they pass by. A gravitational wave is an invisible (yet incredibly fast) ripple in space.

5. www.nature.com › articles › s41586/019/1129-zThe new frontier of gravitational waves | Nature

   www.nature.com › articles › s41586/019/1129-z

   Apr 24, 2019 · A gravitational-wave detector in space would completely eliminate several noise sources, such as seismic, gravity-gradient and anthropogenic noise, although at the same time it would...

   • Author: M. Coleman Miller, Nicolás Yunes

   • Publish Year: 2019

6. Videos

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     Gravitational waves: A three minute guide

     Feb 11, 2016

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     Brian Greene Explains The Discovery Of Gravitational Waves

     Feb 11, 2016

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     Gravitational Waves Discovered!

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7. www.nationalgeographic.com › science › articleWhat Are Gravitational Waves, and Why Do They Matter?

   www.nationalgeographic.com › science › article

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   Oct 16, 2017 · What are gravitational waves? Put simply, gravitational waves are ripples in the otherwise tough, stiff fabric of spacetime produced by the most violent phenomena the cosmos can...

8. news.yale.edu › 2023/06/28 › astrophysicists-presentAstrophysicists present first evidence of gravitational wave ...

   news.yale.edu › 2023/06/28 › astrophysicists-present

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   Jun 28, 2023 · Video. Astrophysicists present first evidence of gravitational wave ‘background’. A quintet of new studies offers the first direct evidence of a gravitational wave background, confirming standard models of black hole growth. By Jim Shelton. June 28, 2023.