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Sunday, November 11, 2007

Supernova discovered in 2006 caused by two colliding white dwarf stars

Harvard-Smithsonian Center for Astrophysics (CfA) says a supernova discovered last year was caused by two colliding white dwarf stars. A Harvard press release says "The white dwarfs were siblings orbiting each other. They slowly spiraled inward until they merged, touching off a titanic explosion." The image to the left is an artists depiction of the event that was previously only believed to exist in theory. Cool!