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 (37) Solar System/Planetary Sci (27) Star Formation & Evolu (27) Galaxy Formation & Evolu (23) Cosmo (22) GRBs (19) High-Energy Pheno (19) Supernovae (19) Astronomy Educa (18) Galactic Structure & Stellar Populat (18) Interstellar Me (16) Clusters of Galaxies/Large-scale Struc (15) Astrobio (13) Active Galactic Nu (11) Heliophy (6) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division