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 Heliophy (18) Exopla (16) Active Galactic Nu (14) Solar System/Planetary Sci (14) Galaxy Formation & Evolu (12) Star Formation & Evolu (11) Interstellar Me (9) Astrobio (8) GRBs (8) High-Energy Pheno (8) Supernovae (8) Astronomy Educa (7) Cosmo (7) Galactic Structure & Stellar Populat (4) Clusters of Galaxies/Large-scale Struc (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division