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 Exopla (2) Solar System/Planetary Sci (2) Astrobio (1) Galaxy Formation & Evolu (1) Interstellar Me (1) Star Formation & Evolu (1) State Facet State City Princeton (1) Tucson (1) Facet City Membership Class Facet Membership Class Division DDA (2) HEAD (2) HAD (1) LAD (1) Facet Division