HUFFINGTON POST

Massive Star Explosion: Supernova SN2007bi Visible Two Years Later

03/18/2010 05:12 am ET | Updated May 25, 2011

This breed of explosion has been long predicted, but never before seen. Like all supernovas, the blast is thought to have marked the end of a star's life. But in this case, that star may have started out with 200 times the mass of the sun.

Read more on msn.com

Suggest a correction