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 (1) State AZ (2) CA (1) CO (1) MD (2) OH (1) ON (1) Facet State City Facet City Membership Class AM (2) F (2) Facet Membership Class Division HEAD (1) Facet Division