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 (34) Solar System/Planetary Sci (33) Star Formation & Evolu (28) Astronomy Educa (27) Exopla (24) Cosmo (23) Galactic Structure & Stellar Populat (21) Active Galactic Nu (20) Clusters of Galaxies/Large-scale Struc (16) GRBs (13) High-Energy Pheno (13) Supernovae (13) Interstellar Me (11) Astrobio (6) Heliophy (4) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division