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Was gravitational waves from the merger of two neutron stars

20 October 2017

Scientists long theorized such explosions were responsible for the creation of the universe's heavier elements including precious metals such as gold, silver and uranium.

The discovery was made using more than 70 laboratories around the globe that are created to detect the minutest of ripples in the universe.

The gravitational wave ruptured spacetime just enough that the distance to the mirrors changed, which made a detectable difference to the beams recombining.

Dr Francesco Pannarale, from Cardiff University's School of Physics and Astronomy, who led one of the analyses on this new discovery, said: "This discovery was everything I always hoped for, packed into a single event".

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It is reported that on 17 August 2017 was first observed gravitational-wave and electromagnetic signals, those born during the merger of two neutron stars.

'We now believe that the violent collision of neutron stars could be a gold factory'.

This is the fifth detection of gravitational waves has received the designation GW170817.

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The two objects, each about 12 miles (19km) in diameter, stretched and distorted space-time as they spiralled towards each other and finally collided. Until now the only gravitational waves detected had come from black holes colliding. This cosmic catastrophe was recorded by the Observatory, LIGO (Laser Interferometric Gravitational-Wave Observatory) in the United States, as well as Cosmic gamma-ray telescope NASA Fermi (Fermi Gamma-ray Space Telescope) gamma and astrophysical laboratory ESA INTEGRAL (INTErnational Gamma-Ray Astrophysics Laboratory).

Nasa says the discovery heralds a new age of astrophysics.

Only a handful of gravitational waves have been detected since they were discovered early last year for the first time, confirming Albert Einstein's 100 year old theory.

'The 12 hours that followed are inarguably the most exciting hours of my scientific life, ' he said.

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Professor Bob Nichol, director of the Institute of Cosmology and Gravitation at the University of Portsmouth, added: 'It doesn't get more exciting that this for an astronomer'.

Was gravitational waves from the merger of two neutron stars