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Gravitational Waves from the fusion of two Neutron Stars discovered for the first time


Papillon
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This is a huge step to explain where heavy elements like Gold and Platinum are coming from, as the heaviest element the fusion inside stars can produce is Iron, which will eventually lead to the start exploding as a Supernova.

The collision of a pair of neutron stars, marked by ripples through the fabric of space-time and a flash brighter than a billion suns, has been witnessed for the first time in the most intensely observed astronomical event to date.

The extraordinary sequence, in which the two ultra-dense stars spiralled inwards, violently collided and, in all likelihood, immediately collapsed into a black hole, was first picked up by the US-based Laser Interferometer Gravitational-Wave Observatory (Ligo).

As its twin detectors, in Louisiana and Washington state, picked up tremors in space-time that had spilled out from the merger 1.3m light years away, an alert went out to astronomers across the globe. Within hours, 70 space- and ground-based telescopes swivelled to observe the red-tinged afterglow, making it the first cosmic event to be “seen” in both gravitational waves and light.

Dave Reitze, executive director of Ligo, said: “What is amazing about this discovery is it is the first time we’ve got a full picture of one of the most violent, cataclysmic events in the universe. This is the most intense observational campaign there has ever been.”

https://youtu.be/mtLPKYl4AHs

https://www.theguardian.com/science/2017/oct/16/astronomers-witness-neutron-stars-collide-global-rapid-response-event-ligo

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