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 (47) Solar System/Planetary Sci (42) Galaxy Formation & Evolu (40) Astronomy Educa (35) Galactic Structure & Stellar Populat (32) Cosmo (28) Exopla (27) GRBs (21) High-Energy Pheno (21) Supernovae (21) Active Galactic Nu (19) Clusters of Galaxies/Large-scale Struc (18) Interstellar Me (16) Astrobio (13) Heliophy (6) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division