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 Solar System/Planetary Sci (78) Star Formation & Evolu (77) Exopla (69) Galaxy Formation & Evolu (65) Astronomy Educa (52) Active Galactic Nu (48) Interstellar Me (45) Cosmo (40) GRBs (39) High-Energy Pheno (39) Supernovae (39) Astrobio (38) Galactic Structure & Stellar Populat (38) Heliophy (33) Clusters of Galaxies/Large-scale Struc (30) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division