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 Astronomy Educa (26) Cosmo (20) Galaxy Formation & Evolu (20) Star Formation & Evolu (20) Exopla (19) Active Galactic Nu (15) Clusters of Galaxies/Large-scale Struc (14) GRBs (14) High-Energy Pheno (14) Supernovae (14) Galactic Structure & Stellar Populat (13) Astrobio (12) Solar System/Planetary Sci (12) Heliophy (7) Interstellar Me (7) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division