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 (76) Solar System/Planetary Sci (75) Exopla (66) Galaxy Formation & Evolu (66) Astronomy Educa (53) Active Galactic Nu (49) Interstellar Me (44) Cosmo (40) GRBs (39) High-Energy Pheno (39) Supernovae (39) Galactic Structure & Stellar Populat (38) Astrobio (37) Heliophy (33) Clusters of Galaxies/Large-scale Struc (31) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division