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 (1) Astronomy Educa (1) Exopla (1) Star Formation & Evolu (1) State Facet State City Baltimore (2) College Park (1) Ellicott City (1) Greenbelt (2) Facet City Membership Class Facet Membership Class Division Facet Division