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Astrophysicists trace the origin of valuable metals in space, from colliding stars to merging galaxies

  • Written by Simone Dichiara, Assistant Research Professor of Astrophysics, Penn State
Astrophysicists trace the origin of valuable metals in space, from colliding stars to merging galaxiesThis artist’s impression shows two tiny but very dense neutron stars at the point at which they merge and explode.ESO/L. Calçada/M. Kornmesser, CC BY

Billions of light years away in a remote part of the universe, two neutron stars – the ultradense remnants of dead stars – collided. The catastropic cosmic event sent light...

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