Member Directory The AAS maintains a membership directory to facilitate member interaction and to support the conduct of official Society business. Search directory for: Filter Results By Clear Filters Type of Science Solar System/Planetary Sci (6) Active Galactic Nu (1) Astrobio (1) Exopla (1) Galactic Structure & Stellar Populat (1) State Facet State City Greenwich (1) Facet City Membership Class Facet Membership Class Division HEAD (7) LAD (2) SPD (1) Facet Division