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 (11) Galaxy Formation & Evolu (11) Astronomy Educa (10) Exopla (9) Solar System/Planetary Sci (9) Star Formation & Evolu (9) Galactic Structure & Stellar Populat (6) Active Galactic Nu (4) Astrobio (4) Clusters of Galaxies/Large-scale Struc (4) GRBs (4) High-Energy Pheno (4) Interstellar Me (4) Supernovae (4) Heliophy (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division