These docs are in Adobe PDF format. If your Web browser cannot open such files already, you can get a free reader for Windows from Adobe (also other OS's, 8.6 MB!)
Popular Overviews:
Colossal Explosions in Galaxies (Updated from Scientific American, 2.6 MB)
Lives of Quasars (Scientific American, 768 KB)
Tightly Correlated H-alpha and X-ray Filaments (ApJ)
HST Observations of the Superbubble in NGC 3079 (ApJ, 12.6 MB!)
Don't try to look at this LARGE PDF document on a dailup modem connection!
Results from some of my other HST programs, and my email are here.