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 (21) Astronomy Educa (19) Galaxy Formation & Evolu (17) Solar System/Planetary Sci (15) Cosmo (14) Interstellar Me (14) Active Galactic Nu (13) Exopla (12) Galactic Structure & Stellar Populat (12) Heliophy (12) Clusters of Galaxies/Large-scale Struc (11) GRBs (9) High-Energy Pheno (9) Supernovae (9) Astrobio (5) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division