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 (11) Cosmo (10) Clusters of Galaxies/Large-scale Struc (8) Exopla (7) Solar System/Planetary Sci (7) Star Formation & Evolu (7) Active Galactic Nu (6) Astronomy Educa (6) Galactic Structure & Stellar Populat (5) Interstellar Me (5) GRBs (4) High-Energy Pheno (4) Supernovae (4) Astrobio (3) Heliophy (1) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division