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 (33) Galaxy Formation & Evolu (32) Star Formation & Evolu (30) Astronomy Educa (26) Cosmo (22) Exopla (21) Galactic Structure & Stellar Populat (21) Active Galactic Nu (18) Clusters of Galaxies/Large-scale Struc (16) GRBs (14) High-Energy Pheno (14) Supernovae (14) Interstellar Me (11) Astrobio (7) Heliophy (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division