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 (36) Galaxy Formation & Evolu (30) Star Formation & Evolu (27) Astronomy Educa (25) Cosmo (22) Exopla (19) Galactic Structure & Stellar Populat (19) Active Galactic Nu (18) Clusters of Galaxies/Large-scale Struc (15) GRBs (12) High-Energy Pheno (12) Supernovae (12) Interstellar Me (10) Astrobio (6) Heliophy (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division