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 Galaxy Formation & Evolu (30) Star Formation & Evolu (24) Solar System/Planetary Sci (23) Astronomy Educa (22) Cosmo (19) Exopla (18) GRBs (18) High-Energy Pheno (18) Supernovae (18) Clusters of Galaxies/Large-scale Struc (15) Interstellar Me (15) Active Galactic Nu (13) Astrobio (12) Heliophy (10) Galactic Structure & Stellar Populat (9) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division