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 (16) Star Formation & Evolu (15) Galactic Structure & Stellar Populat (11) Solar System/Planetary Sci (11) Cosmo (10) Interstellar Me (10) Astronomy Educa (9) GRBs (9) High-Energy Pheno (9) Supernovae (9) Clusters of Galaxies/Large-scale Struc (8) Exopla (7) Active Galactic Nu (6) Heliophy (6) Astrobio (4) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division