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 (46) Star Formation & Evolu (43) Astronomy Educa (40) Solar System/Planetary Sci (37) Cosmo (31) Exopla (28) GRBs (27) High-Energy Pheno (27) Supernovae (27) Interstellar Me (26) Active Galactic Nu (23) Clusters of Galaxies/Large-scale Struc (23) Heliophy (23) Galactic Structure & Stellar Populat (20) Astrobio (15) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division