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 Exopla (38) Solar System/Planetary Sci (30) Star Formation & Evolu (27) Galaxy Formation & Evolu (25) Cosmo (23) Interstellar Me (21) Galactic Structure & Stellar Populat (18) Astronomy Educa (17) Clusters of Galaxies/Large-scale Struc (17) GRBs (17) High-Energy Pheno (17) Supernovae (17) Astrobio (16) Active Galactic Nu (13) Heliophy (6) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division