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 Solar System/Planetary Sci (2) Astrobio (1) Exopla (1) State Facet State City Arecibo (1) Lenexa (1) Rockledge (1) Facet City Membership Class Facet Membership Class Division HEAD (1) Facet Division