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 (33) Solar System/Planetary Sci (32) Star Formation & Evolu (28) Astronomy Educa (25) Cosmo (23) Galactic Structure & Stellar Populat (20) Active Galactic Nu (19) Exopla (19) Clusters of Galaxies/Large-scale Struc (16) GRBs (13) High-Energy Pheno (13) Supernovae (13) Interstellar Me (12) Astrobio (6) Heliophy (4) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division