On the Origin of Gold . ... Credit Copyright: Dana Berry, NASA Explanation: Where did the gold in your jewelry originate? ... 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 have recently suggested 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 . ...