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 Star Formation & Evolu (55) Solar System/Planetary Sci (44) Galaxy Formation & Evolu (43) Astronomy Educa (39) Galactic Structure & Stellar Populat (35) Cosmo (30) Exopla (27) GRBs (24) High-Energy Pheno (24) Supernovae (24) Clusters of Galaxies/Large-scale Struc (22) Active Galactic Nu (20) Interstellar Me (20) Astrobio (13) Heliophy (8) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division