Get them while they`re young: Astronomers catch exploding supernova early (Update)
(PHYSorg.com Space & Earth)

For the first time, astronomers have observed a cosmic event in great detail that they only had glimpses of before: a supernova and its explosive ejecta slamming into a nearby companion star. The discovery was made possible by a specialized survey taking advantage of recent advances in linking telescopes across the globe into a robotic network.