Stars That Exploded As Supernovae Were 'Exiles' Ejected From Their Cosmic Homes Three recently observed supernovae exploded outside of any galaxy, researchers say. The events were the death throes of stars 'exiled' from any host galaxy, they explain. by Jim Algar
Science Supernova Material Collides With White Dwarf Companion - What Did This Teach Astronomers About The Universe? by James Maynard
Science Dead stars sometimes 're-ignite' to explode as supernovas: Type la supernovae explained by James Maynard