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 (28) Astronomy Educa (24) Solar System/Planetary Sci (24) Star Formation & Evolu (23) Exopla (20) Cosmo (19) GRBs (17) High-Energy Pheno (17) Supernovae (17) Clusters of Galaxies/Large-scale Struc (16) Interstellar Me (16) Active Galactic Nu (14) Astrobio (14) Heliophy (10) Galactic Structure & Stellar Populat (9) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division