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 Galactic Structure & Stellar Populat (2) Astrobio (1) Cosmo (1) Exopla (1) Solar System/Planetary Sci (1) State Facet State City Arlington (1) Baltimore (1) Pasadena (2) Pittsburgh (1) Silver Spring (1) Tucson (1) Washington (1) Facet City Membership Class Facet Membership Class Division HEAD (11) LAD (3) SPD (2) Facet Division