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 (4) Exopla (2) Astrobio (1) State Facet State City Baltimore (2) Laurel (3) Tempe (1) Facet City Membership Class Facet Membership Class Division Facet Division