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 (8) Astrobio (4) Exopla (4) Star Formation & Evolu (3) Interstellar Me (2) State Facet State City Baltimore (1) Facet City Membership Class Facet Membership Class Division HEAD (6) LAD (1) Facet Division