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 (1) Star Formation & Evolu (1) State Facet State City Philadelphia (1) Tucson (3) Facet City Membership Class Div Affil - DPS (1) Full Emeritus Member (1) Full Member (2) Facet Membership Class Division Facet Division