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 (27) Heliophy (19) Star Formation & Evolu (12) Astronomy Educa (10) Exopla (9) Astrobio (6) Cosmo (6) Galaxy Formation & Evolu (6) Active Galactic Nu (4) Clusters of Galaxies/Large-scale Struc (3) Galactic Structure & Stellar Populat (3) GRBs (3) High-Energy Pheno (3) Interstellar Me (3) Supernovae (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division