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