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 Galaxy Formation & Evolu (15) Cosmo (11) Clusters of Galaxies/Large-scale Struc (9) Galactic Structure & Stellar Populat (9) Interstellar Me (8) Star Formation & Evolu (8) Astronomy Educa (6) Exopla (6) Solar System/Planetary Sci (5) Active Galactic Nu (4) GRBs (4) High-Energy Pheno (4) Supernovae (4) Astrobio (1) Heliophy (1) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division