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 (34) Astronomy Educa (28) Solar System/Planetary Sci (27) Star Formation & Evolu (27) Cosmo (23) Exopla (21) GRBs (21) High-Energy Pheno (21) Supernovae (21) Interstellar Me (17) Active Galactic Nu (15) Clusters of Galaxies/Large-scale Struc (15) Astrobio (13) Heliophy (12) Galactic Structure & Stellar Populat (11) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division