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 (33) Galaxy Formation & Evolu (28) Star Formation & Evolu (28) Astronomy Educa (24) Cosmo (20) Exopla (20) Galactic Structure & Stellar Populat (18) Active Galactic Nu (17) Clusters of Galaxies/Large-scale Struc (14) GRBs (13) High-Energy Pheno (13) Supernovae (13) Interstellar Me (8) Astrobio (7) Heliophy (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division