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 (29) Heliophy (23) Star Formation & Evolu (13) Astronomy Educa (11) Exopla (10) Astrobio (7) Galaxy Formation & Evolu (7) GRBs (7) High-Energy Pheno (7) Supernovae (7) Active Galactic Nu (6) Cosmo (6) Galactic Structure & Stellar Populat (5) Interstellar Me (4) Clusters of Galaxies/Large-scale Struc (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division