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 (32) Solar System/Planetary Sci (32) Star Formation & Evolu (28) Astronomy Educa (25) Cosmo (22) Galactic Structure & Stellar Populat (20) Exopla (19) Active Galactic Nu (18) Clusters of Galaxies/Large-scale Struc (16) GRBs (12) High-Energy Pheno (12) Supernovae (12) Interstellar Me (11) Astrobio (6) Heliophy (4) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division