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 (13) Galaxy Formation & Evolu (13) Clusters of Galaxies/Large-scale Struc (9) Interstellar Me (9) GRBs (8) High-Energy Pheno (8) Supernovae (8) Active Galactic Nu (7) Galactic Structure & Stellar Populat (7) Star Formation & Evolu (7) Solar System/Planetary Sci (5) Exopla (4) Astrobio (3) Astronomy Educa (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division