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 Astronomy Educa (43) Solar System/Planetary Sci (34) Star Formation & Evolu (33) Exopla (27) Galaxy Formation & Evolu (27) Active Galactic Nu (24) Cosmo (24) Galactic Structure & Stellar Populat (24) GRBs (24) High-Energy Pheno (24) Supernovae (24) Clusters of Galaxies/Large-scale Struc (17) Interstellar Me (17) Astrobio (14) Heliophy (8) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division