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 Cosmo (1) Galaxy Formation & Evolu (1) Star Formation & Evolu (1) State PA (1) Facet State City Allendale (1) Ann Arbor (4) East Lansing (4) Greenbelt (1) Nashville (1) Oakland (1) Ypsilanti (1) Facet City Membership Class Facet Membership Class Division Facet Division