Astronomers Observe Supernova Smash into Companion Star

A group of astronomers from the intermediate Palomar Transient Factory (iPTF) has witnessed a supernova smashing into a nearby white dwarf, shocking it, and creating an UV glow that reveals the size of the companion. Type Ia supernovae are commonly theorized to be the thermonuclear explosions of a white dwarf star that is part of [...] —> Read More