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 (78) Solar System/Planetary Sci (59) Astronomy Educa (52) Galaxy Formation & Evolu (51) Cosmo (49) Interstellar Me (48) Active Galactic Nu (44) Exopla (39) Galactic Structure & Stellar Populat (39) Heliophy (37) GRBs (35) High-Energy Pheno (35) Supernovae (35) Astrobio (31) Clusters of Galaxies/Large-scale Struc (31) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division