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 (20) Astronomy Educa (17) Galaxy Formation & Evolu (17) Solar System/Planetary Sci (14) Cosmo (13) Heliophy (12) Interstellar Me (12) Active Galactic Nu (11) Galactic Structure & Stellar Populat (11) Exopla (10) Clusters of Galaxies/Large-scale Struc (9) GRBs (9) High-Energy Pheno (9) Supernovae (9) Astrobio (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division