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 Baltimore (2) Boulder (1) Greenbelt (1) Ithaca (1) Nashville (1) Norman (1) Silver Spring (1) Facet City Membership Class F (1) Facet Membership Class Division DPS (2) HEAD (1) LAD (1) Facet Division