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 Astrobio (1) Exopla (1) Solar System/Planetary Sci (1) State Facet State City Greenbelt (1) Facet City Membership Class F (1) GR (1) Graduate Student (1) IA (1) Facet Membership Class Division Facet Division