Just like ET before it, NASAs High Energy Transient Explorer (HETE) satellite called home. As a result, astronomers were able to get the most detailed pictures yet of a gamma-ray burst and the evolution of its afterglow. In a report published today in the journal Nature, researchers describe a gamma-ray burst known as GRB021004 and note that it was 10 to 100 times more powerful than they expected.
http://www.sciam.com/article.cfm?chanID=sa003&articleID=0005A5FA-0A9E-1E79-A98A809EC5880105
