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 Astronomy Educa (1) Exopla (1) Galactic Structure & Stellar Populat (1) Galaxy Formation & Evolu (1) Star Formation & Evolu (1) State Facet State City Basel (1) Cambridge (1) College Park (1) Giessen (1) Kaduna (1) Mexico City (1) Facet City Membership Class Facet Membership Class Division Facet Division