Golden collisions

Astrochemists have long suspected that heavy metal elements, including lead and gold are released into space by supernovae explosions. Now, stellar computations by scientists of the Max Planck Institute for Astrophysics and affiliated with the Excellence Cluster Universe and of the Free University of Brussels have verified that the relevant nuclear reactions actually take place when neutron stars collide. Such collisions might be the source of the heaviest elements in the correct abundances across the cosmos.