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 Cosmo (10) Galaxy Formation & Evolu (8) Clusters of Galaxies/Large-scale Struc (6) Active Galactic Nu (5) GRBs (5) High-Energy Pheno (5) Supernovae (5) Exopla (4) Galactic Structure & Stellar Populat (4) Star Formation & Evolu (4) Astronomy Educa (2) Interstellar Me (2) Solar System/Planetary Sci (2) Astrobio (1) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division