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 (41) Exopla (18) Astronomy Educa (16) Astrobio (14) Star Formation & Evolu (13) Cosmo (10) Heliophy (10) Clusters of Galaxies/Large-scale Struc (8) GRBs (8) High-Energy Pheno (8) Interstellar Me (8) Supernovae (8) Galaxy Formation & Evolu (7) Galactic Structure & Stellar Populat (6) Active Galactic Nu (4) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division