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 (9) Astrobio (5) Exopla (4) Interstellar Me (3) Star Formation & Evolu (3) State Facet State City Baltimore (2) Bilbao (1) Elkton (1) Laurel (4) Tempe (1) Facet City Membership Class Facet Membership Class Division HAD (1) Facet Division