What are gravitational waves? Today, a century later, we have that confirmation, with the detection of gravitational waves by the Advanced Laser Interferometer Gravitational-Wave Observatory ( aLIGO) detectors. LIGO was the first observatory to directly detect gravitational waves. It has opened up new astrophysical frontiers that explore the warped side of the universe—objects and phenomena that are made from warped spacetime. The existence of gravitational waves was first predicted by Albert Einstein in 1916. The remaining three solar masses were converted into gravitational waves. The LIGO experiment has confirmed Albert Einstein’s prediction of ripples in spacetime and promises to open a new era of astrophysics Gravitational waves have signaled the most massive merging of two black holes yet. The oldest and most distant gravitational waves to ever hit Earth resulted from … Gravitational waves are mysterious ripples in the fabric of space and time that travel across our universe at the speed of light. Gravitational Waves Discovered from Colliding Black Holes. Remarkably, the Laser Interferometer Gravitational-wave Observatory's discovery of gravitational waves confirms a theory Albert Einstein had about their existence almost a century ago. The first gravitational wave discovery was announced to the world on 11 February 2016 SAUL LOEB/AFP/Getty Images Gravitational waves are … On February 11, 2016, ecstatic scientists worldwide basked in the announcement that the Laser Interferometer Gravitational Wave Observatory (LIGO) had detected gravitational waves produced by the merger of two black holes more than a billion light years from … On September 14, 2015, it observed two black holes 1.3 billion light-years away, which were 36 and 29 times the mass of the Sun, spiralling inward to form a new black hole of 62 solar masses. The new LIGO discovery is the first observation of gravitational waves themselves, made by measuring the tiny disturbances the waves make to space and time as they pass through the earth. Gravity (from Latin gravitas 'weight'), or gravitation, is a natural phenomenon by which all things with mass or energy—including planets, stars, galaxies, and even light —are brought toward (or gravitate toward) one another. Advertisment. And then, of course, the LIGO team directly detected gravitational waves in September 2015—ending a century of speculation and confirming Einstein’s original prediction.

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