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 (38) Star Formation & Evolu (28) Solar System/Planetary Sci (26) Galaxy Formation & Evolu (23) Cosmo (21) GRBs (20) High-Energy Pheno (20) Supernovae (20) Astronomy Educa (19) Galactic Structure & Stellar Populat (19) Interstellar Me (17) Clusters of Galaxies/Large-scale Struc (15) Astrobio (13) Active Galactic Nu (12) Heliophy (6) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division