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 (10) Active Galactic Nu (9) Exopla (8) Cosmo (7) GRBs (7) High-Energy Pheno (7) Interstellar Me (7) Supernovae (7) Clusters of Galaxies/Large-scale Struc (6) Galactic Structure & Stellar Populat (5) Star Formation & Evolu (5) Astronomy Educa (4) Heliophy (4) Solar System/Planetary Sci (4) Astrobio (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division