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 Galaxy Formation & Evolu (43) Solar System/Planetary Sci (29) Star Formation & Evolu (29) Astronomy Educa (27) Cosmo (27) GRBs (24) High-Energy Pheno (24) Supernovae (24) Active Galactic Nu (23) Exopla (23) Clusters of Galaxies/Large-scale Struc (21) Interstellar Me (20) Galactic Structure & Stellar Populat (16) Astrobio (15) Heliophy (11) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division