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 (29) Galaxy Formation & Evolu (27) Solar System/Planetary Sci (25) Galactic Structure & Stellar Populat (21) Exopla (19) Astronomy Educa (18) Cosmo (18) Clusters of Galaxies/Large-scale Struc (15) GRBs (14) High-Energy Pheno (14) Supernovae (14) Active Galactic Nu (11) Interstellar Me (9) Astrobio (7) Heliophy (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division