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Optical Systems Capture First Light From Colliding Neutron Stars

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LIVINGSTON, La., HANFORD, Wash. and CASCINA, Italy, Oct. 17, 2017 — Scientists from the international LIGO and Virgo Scientific Collaborations have announced the detection of the bright spark of two neutron stars colliding. This event has been dubbed GW170817 because it sent ripples through space-time that reached Earth on August 17, 2017. GW170817 lasted more than a minute and a half and is the first ever detection of light from a gravitational wave source. Ultimately, about 70 observatories on the ground and in space observed the event on August 17 at their representative wavelengths. Comprising three enormous laser interferometers located in the...Read full article

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    Published: October 2017
    Glossary
    astronomy
    The scientific observation of celestial radiation that has reached the vicinity of Earth, and the interpretation of these observations to determine the characteristics of the extraterrestrial bodies and phenomena that have emitted the radiation.
    gravitational waves
    Postulated by Einstein in his theory of relativity. They are waves traveling at the speed of light and exerting force on matter in their path. They are produced by changes in the distribution of matter.
    Research & TechnologyeducationAmericasEuropeLight SourcesMaterialsastronomyastrophysicsLIGOVirgoGW170817telescopesneutron stargravitational waveslaser interferometersNS-NS merger

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