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 (70) Galactic Structure & Stellar Populat (57) Star Formation & Evolu (55) Galaxy Formation & Evolu (54) Exopla (53) Astronomy Educa (42) Cosmo (41) Clusters of Galaxies/Large-scale Struc (32) Interstellar Me (30) GRBs (29) High-Energy Pheno (29) Supernovae (29) Astrobio (27) Active Galactic Nu (26) Heliophy (20) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division