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 Galaxy Formation & Evolu (31) Solar System/Planetary Sci (31) Star Formation & Evolu (27) Astronomy Educa (24) Cosmo (21) Galactic Structure & Stellar Populat (19) Exopla (18) Active Galactic Nu (17) Clusters of Galaxies/Large-scale Struc (15) GRBs (11) High-Energy Pheno (11) Supernovae (11) Interstellar Me (10) Astrobio (5) Heliophy (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division