> ExIers, where are you from? I'm from everywhere and nowhere. :-) http://www.amara.com/aboutme/aboutme.html Ciao, Amara -- Amara Graps, PhD www.amara.com INAF Istituto di Fisica dello Spazio Interplanetario (IFSI), Roma, ITALIA Associate Research Scientist, Planetary Science Institute (PSI), Tucson