kilonova

Artist's impression of GRB 211211A. Credit: Soheb Mandhai @TheAstroPhoenix

Cosmic Gold Factory: A single kilonova produced very heavy elements in the amount of a thousand times the mass of Earth

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A highly unusual burst of high-energy light from a nearby galaxy is linked by scientists to a neutron star merger
Thanks to a reanalysis of the data from 2017 of the merger event, we have now detected the signature of one defined heavy element within this fireball, the element strontium, proving that a collision of neutron stars caused the creation of this element in the universe. Figure: ESO

First ever detection of a heavy element created by the collision of neutron stars

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An artist's illustration of a kilonova caused by a neutron star merger. Image: CREDIT: NAOJ

The origin of the heavy elements - in the fusion of neutron stars

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