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 Solar System/Planetary Sci (30) Astronomy Educa (27) Star Formation & Evolu (24) Galaxy Formation & Evolu (21) Cosmo (19) Active Galactic Nu (14) Exopla (14) GRBs (13) High-Energy Pheno (13) Supernovae (13) Galactic Structure & Stellar Populat (12) Clusters of Galaxies/Large-scale Struc (10) Interstellar Me (8) Astrobio (7) Heliophy (5) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division