The shape of supernovae to come?

News stories online today concern modelling the nature of the deep space around earth, and I can't help but think that the two efforts (modelling supernovae and hydrogen dispersal thru space) are probably fairly similar enterprises.

These images are part of the attempt to discover a supernovae before it occurs.

The modelling of earth's hydrogen cavity is here:

http://www.berkeley.edu/news/media/releases/2003/05/images/planar.jpg

Maps are cool. :-)