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Saturday, June 3, 2017

NASA's LIGO detected Third Gravitational Wave

     NASA's Scientist revealed that about 3 billion years ago, two orbiting black hole collided to each other to form a single object, which is 49 times bigger than the sun.This powerful gravitational waves detected by the scientists on earth at 5:12 am EST on 4 January 2017. They were detected by ground based Laser Interferometer Gravitational-Wave Observatory (LIGO) in Hanford, Washington and Livingston, Louisiana. This event was named GW170104 and this black hole is located at a distance of 3 billion light years, the black hole is twice as the distance. NASA Scientists detected the merging of two black holes in early January of 2017. This findings was published by LIGO Scientific Collaboration (LSC) on 1 June 2017 in Journal Physical Review letters.

LIGO team believe the existence of stellar-mass black holes which are larger than 20 solar masses. It detected the first black hole merging in September and December 2015. These black hole produced powerful gravitational waves as they radiated at a speed of light by all the stars in the Universe at any time.NASA researchers also interested to know about that "black hole not only produce electromagnetic signals but also high-energy flares".


     LIGO is established by National Science Foundation (NSF) and operated by MIT and Caltech. Financial support was given by Max Planck Society (Germany), Science and Technology Council (U.K), Australian Research Council (Australia). LIGO was made successful with the effort of 1000 of scientists around the world and additionally 280 Scientists from Europe's Centre National de la Recherche Scientifique (CNRS), Istituto Nazionale di Fisica Nucleare (INFN) and Nikhef, Virgo institution and European Gravitational Observatory.



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