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 (29) Astronomy Educa (26) Cosmo (25) Galactic Structure & Stellar Populat (23) Exopla (21) Active Galactic Nu (19) Clusters of Galaxies/Large-scale Struc (18) GRBs (13) High-Energy Pheno (13) Supernovae (13) Interstellar Me (12) Astrobio (6) Heliophy (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division