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 (17) Star Formation & Evolu (15) Cosmo (12) Astronomy Educa (11) Active Galactic Nu (10) Solar System/Planetary Sci (10) Interstellar Me (9) Exopla (8) Astrobio (7) Galactic Structure & Stellar Populat (7) Clusters of Galaxies/Large-scale Struc (5) GRBs (4) High-Energy Pheno (4) Supernovae (4) Heliophy (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division