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 (63) Galactic Structure & Stellar Populat (54) Galaxy Formation & Evolu (52) Exopla (50) Star Formation & Evolu (50) Astronomy Educa (40) Cosmo (36) GRBs (28) High-Energy Pheno (28) Supernovae (28) Clusters of Galaxies/Large-scale Struc (27) Interstellar Me (22) Astrobio (21) Active Galactic Nu (20) Heliophy (14) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division