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 (34) Galaxy Formation & Evolu (32) Star Formation & Evolu (29) Astronomy Educa (26) Cosmo (22) Galactic Structure & Stellar Populat (22) Active Galactic Nu (19) Exopla (19) Clusters of Galaxies/Large-scale Struc (16) GRBs (15) High-Energy Pheno (15) Supernovae (15) Interstellar Me (11) Heliophy (7) Astrobio (6) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division