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 (18) Star Formation & Evolu (13) Galactic Structure & Stellar Populat (11) Interstellar Me (11) Solar System/Planetary Sci (11) Astronomy Educa (10) Clusters of Galaxies/Large-scale Struc (9) Cosmo (9) Exopla (8) GRBs (8) High-Energy Pheno (8) Supernovae (8) Heliophy (7) Active Galactic Nu (6) Astrobio (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division