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 (57) Star Formation & Evolu (41) Astronomy Educa (40) Galaxy Formation & Evolu (38) Heliophy (38) Exopla (30) Cosmo (28) GRBs (25) High-Energy Pheno (25) Supernovae (25) Interstellar Me (22) Clusters of Galaxies/Large-scale Struc (21) Active Galactic Nu (20) Astrobio (20) Galactic Structure & Stellar Populat (20) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division