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 Exopla (3) Astrobio (2) Solar System/Planetary Sci (2) Heliophy (1) Star Formation & Evolu (1) State Facet State City Hilo (1) Lititz (1) Pittsburgh (1) Washington (1) Facet City Membership Class Facet Membership Class Division HEAD (2) Facet Division