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 (2) Star Formation & Evolu (2) Astrobio (1) Exopla (1) Galaxy Formation & Evolu (1) State Facet State City Cambridge (1) Flagstaff (1) Tucson (4) Facet City Membership Class Full Member (3) Facet Membership Class Division Facet Division