... On the Origin of Gold . ... 15.05.2005 . ... The relative average abundance in our Solar System appears higher than can be made in the early universe , in stars , and even in typical supernova explosions . Some astronomers now suggest that neutron-rich heavy elements such as gold might be most easily made in rare neutron -rich explosions such as the collision of neutron stars . ... May 2005 . ... Publications with keywords: gold - neutron star . Publications with words: gold - neutron star . ...