In the Heart of a Type II Supernova

This computer simulation by Adam Burrows and Bruce Fryxell depicts 20 milliseconds, or 1/50 of a second, during the explosion of a Type II supernova. False color is used to denote density (dark blue is densest, followed by light blue, green, yellow, and red for the lowest density). Matter that bounces off the star's dense core (colored black) produces a shock wave which develops tremendous turbulence. (Compare to Figure 22-14 in the Universe, 6th edition textbook, which shows temperature within the supernova over the same time period.)