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 (37) Star Formation & Evolu (34) Astronomy Educa (33) Solar System/Planetary Sci (26) Exopla (25) GRBs (25) High-Energy Pheno (25) Supernovae (25) Cosmo (24) Interstellar Me (24) Clusters of Galaxies/Large-scale Struc (22) Active Galactic Nu (21) Galactic Structure & Stellar Populat (18) Astrobio (15) Heliophy (13) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division