For stars that have an initial mass of
more than 8 times that of the Sun
their final destiny is to fall so far
under gravity that they turn into black
holes, from which nothing, not even
light can escape.
Copyright 1993 Bradford Technology Limited, Armagh Planetarium and Mayfield Consultants. Automatic HTML conversion by Mark J Cox on Tue Jan 30 09:30:03 GMT 1996