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 (11) Astronomy Educa (2) Astrobio (1) Clusters of Galaxies/Large-scale Struc (1) Cosmo (1) Galactic Structure & Stellar Populat (1) Galaxy Formation & Evolu (1) Heliophy (1) Star Formation & Evolu (1) State TX (1) Facet State City Black Hawk (1) Facet City Membership Class Facet Membership Class Division DDA (1) SPD (1) Facet Division