By SPACE.com Staff

posted: 30 April 2008
05:35 pm ET

Astronomers are now able to predict when a certain type of star will let loose a powerful eruption.

The explosions occur on a neutron star, a city-sized remnant of a giant star that exploded in a supernova long ago and collapsed into a hyperdense ember. It now siphons material from a companion star while the two objects orbit each other every 3.8 hours. ...........

......the "predictions" involve explosions that actually occurred 20,000 years ago; the light is just now arriving.

click here to read the rest