This might be of interest to SeeSaters. The latest (April 1998) issue of Physics Today mentions the web site: http://ae-www.usc.edu/astromike/ which has MANY links to sites related to spacecraft, spacecraft systems, space exploration, etc. (I haven't yet had a chance to explore it but it looks interesting.) Clear and dark skies! Ed Light Lakewood, NJ, USA N 40.107, W 074.232, Hgt +21m