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 Exopla (40) Solar System/Planetary Sci (34) Galaxy Formation & Evolu (28) Star Formation & Evolu (28) Cosmo (25) Astronomy Educa (20) GRBs (20) High-Energy Pheno (20) Supernovae (20) Interstellar Me (19) Galactic Structure & Stellar Populat (18) Clusters of Galaxies/Large-scale Struc (15) Astrobio (14) Active Galactic Nu (12) Heliophy (6) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division