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 (33) Exopla (29) Galactic Structure & Stellar Populat (25) Star Formation & Evolu (20) Galaxy Formation & Evolu (17) Cosmo (16) Astronomy Educa (12) Astrobio (10) GRBs (10) High-Energy Pheno (10) Supernovae (10) Clusters of Galaxies/Large-scale Struc (8) Heliophy (7) Interstellar Me (7) Active Galactic Nu (5) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division