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 (42) Solar System/Planetary Sci (34) Star Formation & Evolu (29) Cosmo (27) Galaxy Formation & Evolu (27) GRBs (21) High-Energy Pheno (21) Supernovae (21) Astronomy Educa (20) Interstellar Me (19) Galactic Structure & Stellar Populat (18) Clusters of Galaxies/Large-scale Struc (15) Astrobio (14) Active Galactic Nu (13) Heliophy (6) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division