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 Exopla (35) Star Formation & Evolu (26) Solar System/Planetary Sci (24) Galaxy Formation & Evolu (23) Cosmo (21) Astronomy Educa (18) Galactic Structure & Stellar Populat (18) GRBs (17) High-Energy Pheno (17) Interstellar Me (17) Supernovae (17) Clusters of Galaxies/Large-scale Struc (14) Active Galactic Nu (12) Astrobio (11) Heliophy (6) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division