Energy bursts may be death knells of giant stars
Tuesday, April 16, 2013 - 16:30
in Astronomy & Space
By Tanya LewisSpace.com A new type of powerful, long-lasting explosion deep in space may be the death knell of gigantic stars, scientists say.Star explosions (called supernovas) can give off high-powered flashes of radiation known as gamma-ray bursts. These bursts usually fall into two categories: ones that last less than two seconds, and ones that last for several minutes. But this new type of ex...