1. Gravitational wave

    Gravitational waves are transient displacements in a gravitational field—generated by the relative motion of gravitating masses—that radiate outward from their source at the speed of light. They were proposed by Oliver Heaviside in 1893 and then later by Henri Poincaré in 1905 as the gravitational equivalent of electromagnetic waves. In 1916, Albert Einstein demonstrated that gravitational waves result from his general theory of relativity as ripples in spacetime. Gravitational waves transport energy as gravitational radiation, a form of radiant energy similar to electromagnetic radiation. Newton's law of universal gravitation, part of classical mechanics, does not provide for their existence, instead asserting that gravity has instantaneous effect everywhere. Gravitational waves therefore stand as an important relativistic phenomenon that is absent from Newtonian physics. Wikipedia

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  2. cfa.harvard.edu

    Albert Einstein published his full theory of general relativity in 1915, followed by a flurry of research papers by Einstein and others exploring the predictions of the theory. ... Gravitational wave astronomy combines with light-based astronomy to characterize some of the most extreme events in the cosmos: collisions of black holes and neutron ...
  3. ligo.caltech.edu

    Though Einstein predicted the existence of gravitational waves in 1916, the first proof of their existence didn't arrive until 1974. In that year, two astronomers, Russell Hulse and Joseph Taylor, using the Arecibo Radio Observatory in Puerto Rico discovered a binary pulsar 21000 light years from Earth. This was exactly the type of system that general relativity predicted should radiate ...
  4. smithsonianmag.com

    6 days ago"An Einstein ring is an example of strong gravitational lensing," lead author Conor O'Riordan, an astrophysicist at the Max Planck Institute for Astrophysics in Germany, explains in the ...
  5. This confirms a major prediction of Albert Einstein's 1915 general theory of relativity and opens an unprecedented new window onto the cosmos. ... "This detection is the beginning of a new era: The field of gravitational wave astronomy is now a reality," says Gabriela González, LSC spokesperson and professor of physics and astronomy at ...
  6. ncsa.illinois.edu

    "The first direct observation of gravitational waves from a binary black hole system officially inaugurates the field of gravitational wave astronomy. There can be no better way to celebrate the first centenary of Einstein's prediction of gravitational waves.
  7. news.fullerton.edu

    "Gravitational-wave observations provide tests of Einstein's theory of relativity under the most extreme conditions," said Smith. "This direct detection confirms Einstein's vision of the waves and gives us a riveting new window into cataclysms in the cosmos." ... The Gravitational-Wave Physics and Astronomy Center, opened in fall ...
  8. onlinelibrary.wiley.com

    In his 1916 article 1 predicting the existence of gravitational waves, Einstein wrote that they were too weak to be of any consequence. A century later, the world's attention was captured by the February 11th announcement, demonstrating how wrong this was. ... It's going to be quite a ride - a golden age of gravitational wave astronomy. By ...
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