Gold mine of kilonova explosions forged by neutron stars crashing together 

 The gold that forms the ring on your finger was formed in the collision between two neutron stars. Now, scientists have mapped the kilonova blasts powered by these collisions in detail.  

https://cdn.mos.cms.futurecdn.net/hztmmCLF5GZDcVYJmN3ipn.png

https://www.space.com/neutron-stars-collision-kilonovas-explode