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 (40) Solar System/Planetary Sci (34) Star Formation & Evolu (32) Cosmo (28) Astronomy Educa (26) Galactic Structure & Stellar Populat (23) Clusters of Galaxies/Large-scale Struc (21) Exopla (21) Active Galactic Nu (20) GRBs (14) High-Energy Pheno (14) Interstellar Me (14) Supernovae (14) Astrobio (6) Heliophy (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division