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 (41) Solar System/Planetary Sci (26) Star Formation & Evolu (26) Galaxy Formation & Evolu (25) Cosmo (23) Astronomy Educa (20) Galactic Structure & Stellar Populat (19) GRBs (19) High-Energy Pheno (19) Supernovae (19) Interstellar Me (17) Clusters of Galaxies/Large-scale Struc (16) Active Galactic Nu (14) Astrobio (12) Heliophy (7) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division