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 (19) Star Formation & Evolu (19) Active Galactic Nu (18) Astronomy Educa (14) Cosmo (13) Galactic Structure & Stellar Populat (13) Astrobio (12) Interstellar Me (12) Clusters of Galaxies/Large-scale Struc (11) Solar System/Planetary Sci (11) Exopla (10) GRBs (4) Heliophy (4) High-Energy Pheno (4) Supernovae (4) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division