Reminiscent of a space invaders computer game from the early 1980s, this is actually a cosmic blast in a distant galaxy. The extraordinary gamma-ray explosion was observed on March 28 by Nasa's Swift satellite. It has left astronomers scratching their heads - because it has so far lasted an incredible 11 days. Flaring from such an event usually lasts a couple of hours. But scientists are perplexed by this blast because, unusually, the effects are so long-lasting...read more...Friday, 8 April 2011
Cosmic blast in distant galaxy that has so far lasted for 11 DAYS puzzles scientists
Reminiscent of a space invaders computer game from the early 1980s, this is actually a cosmic blast in a distant galaxy. The extraordinary gamma-ray explosion was observed on March 28 by Nasa's Swift satellite. It has left astronomers scratching their heads - because it has so far lasted an incredible 11 days. Flaring from such an event usually lasts a couple of hours. But scientists are perplexed by this blast because, unusually, the effects are so long-lasting...read more...