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 Solar System/Planetary Sci (65) Galactic Structure & Stellar Populat (55) Galaxy Formation & Evolu (54) Exopla (52) Star Formation & Evolu (51) Astronomy Educa (41) Cosmo (37) GRBs (29) High-Energy Pheno (29) Supernovae (29) Clusters of Galaxies/Large-scale Struc (28) Interstellar Me (23) Astrobio (22) Active Galactic Nu (21) Heliophy (15) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division