Dead stars cast long shadows: WVU astronomer hunts for the glowing ghosts of supernovas
A West Virginia University astronomer is searching the Milky Way for debris left behind by supernovas, the violent explosions that occur when massive stars die. After a supernova explosion, material that was part of the star expands outward, forming a shell or "remnant." According to Loren Anderson, professor at the Eberly College of Arts and Sciences, studying supernova remnants is "essen