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 (3) Interstellar Me (3) Solar System/Planetary Sci (3) Star Formation & Evolu (2) State Facet State City Baltimore (1) Facet City Membership Class Facet Membership Class Division HEAD (6) Facet Division