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 (16) Star Formation & Evolu (13) Galactic Structure & Stellar Populat (11) Interstellar Me (11) Astronomy Educa (10) Clusters of Galaxies/Large-scale Struc (10) Cosmo (9) Solar System/Planetary Sci (9) Active Galactic Nu (8) GRBs (7) High-Energy Pheno (7) Supernovae (7) Heliophy (6) Astrobio (5) Exopla (5) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division