How Star Collisions Forge the Universe's Heaviest Elements

[Scientific American Content: Global]

Scientists have new evidence about how cosmic cataclysms forge gold, platinum and other heavy members of the periodic table
Two neutron stars spiral toward an explosive collision. Recent evidence supports the theory that many of the periodic table's heavier elements form through such crashes.
Ron Miller

https://www.scientificamerican.com/article/how-star-collisions-forge-the-universes-heaviest-elements/