Supernova 'crime scene,' shows single white dwarf to blame

Astronomers have determined the pre-explosion mass of a white dwarf star that blew up thousands of years ago. The measurement strongly suggests the explosion involved only a single white dwarf, ruling out a well-established alternative scenario involving a pair of merging white dwarfs.



from Latest Science News -- ScienceDaily http://ift.tt/1y4IfEe via Karis World