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 Star Formation & Evolu (47) Solar System/Planetary Sci (41) Galaxy Formation & Evolu (40) Astronomy Educa (34) Galactic Structure & Stellar Populat (32) Cosmo (27) Exopla (27) GRBs (20) High-Energy Pheno (20) Supernovae (20) Clusters of Galaxies/Large-scale Struc (18) Active Galactic Nu (17) Interstellar Me (14) Astrobio (12) Heliophy (5) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division