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 Exopla (35) Star Formation & Evolu (27) Solar System/Planetary Sci (24) Galaxy Formation & Evolu (23) Cosmo (22) Astronomy Educa (18) GRBs (18) High-Energy Pheno (18) Supernovae (18) Galactic Structure & Stellar Populat (17) Interstellar Me (16) Clusters of Galaxies/Large-scale Struc (15) Active Galactic Nu (11) Astrobio (11) Heliophy (6) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division