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 (345) Exopla (187) Astrobio (116) Astronomy Educa (96) Star Formation & Evolu (74) Interstellar Me (45) GRBs (37) High-Energy Pheno (37) Supernovae (37) Cosmo (35) Galactic Structure & Stellar Populat (33) Heliophy (32) Galaxy Formation & Evolu (27) Clusters of Galaxies/Large-scale Struc (24) Active Galactic Nu (22) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division