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 (36) Solar System/Planetary Sci (26) Star Formation & Evolu (26) Cosmo (22) Galaxy Formation & Evolu (22) Astronomy Educa (19) GRBs (19) High-Energy Pheno (19) Supernovae (19) Galactic Structure & Stellar Populat (17) Interstellar Me (16) Clusters of Galaxies/Large-scale Struc (14) Astrobio (12) Active Galactic Nu (11) Heliophy (7) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division