File:Artist’s impression of merging neutron stars (ann17040a).tif

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Captions

This artist’s impression shows two tiny but very dense neutron stars at the point at which they merge and explode as a kilonova.

Summary[edit]

Description
English: This artist’s impression shows two tiny but very dense neutron stars at the point at which they merge and explode as a kilonova. Such a very rare event is expected to produce both gravitational waves and a short gamma-ray burst, both of which were observed on 17 August 2017 by LIGO–Virgo and Fermi/INTEGRAL respectively. Subsequent detailed observations with many ESO telescopes confirmed that this object, seen in the galaxy NGC 4993 about 130 million light-years from the Earth, is indeed a kilonova. Such objects are the main source of very heavy chemical elements, such as gold and platinum, in the Universe.
Date 17 October 2017 (upload date)
Source
This media was produced by the International Astronomical Union (IAU), under the identifier ann17040a.

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Author ESO/L. Calçada/M. Kornmesser
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