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) State Facet State City Greenbelt (1) Silver Spring (1) Facet City Membership Class DPS (1) F (2) Full Member (1) Graduate Student (1) Facet Membership Class Division Facet Division