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 (11) Galaxy Formation & Evolu (10) Astronomy Educa (8) Cosmo (7) Clusters of Galaxies/Large-scale Struc (6) Exopla (6) Star Formation & Evolu (6) Active Galactic Nu (5) Interstellar Me (5) Astrobio (4) Galactic Structure & Stellar Populat (4) Heliophy (4) GRBs (3) High-Energy Pheno (3) Supernovae (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division