>> laser pulses to make a supernova by vapourising carbon. > But, as you usually need a spare White Dwarf hanging about > to achieve one, odds are that they won't The experiment was actually to get data on the expansion of the explosion, to prove or otherwise the mathematical models that predict how "lumpy", "knotty" or assymmetric the dust cloud will look as the star's material collides with interstellar dust etc Joe --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .