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) Exopla (1) Galactic Structure & Stellar Populat (1) Heliophy (1) Solar System/Planetary Sci (1) State AZ (1) CA (1) CO (1) MD (1) UT (1) Facet State City Facet City Membership Class Undergrad Student (2) Facet Membership Class Division HEAD (3) Facet Division