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 Exopla (36) Star Formation & Evolu (28) Solar System/Planetary Sci (26) Galaxy Formation & Evolu (22) Cosmo (20) GRBs (19) High-Energy Pheno (19) Supernovae (19) Galactic Structure & Stellar Populat (18) Astronomy Educa (17) Interstellar Me (17) Clusters of Galaxies/Large-scale Struc (14) Active Galactic Nu (12) Astrobio (12) Heliophy (7) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division