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 Solar System/Planetary Sci (34) Galaxy Formation & Evolu (29) Star Formation & Evolu (29) Astronomy Educa (24) Cosmo (21) Exopla (21) Galactic Structure & Stellar Populat (19) Active Galactic Nu (18) Clusters of Galaxies/Large-scale Struc (15) GRBs (14) High-Energy Pheno (14) Supernovae (14) Interstellar Me (9) Astrobio (7) Heliophy (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division