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 Astronomy Educa (1) Exopla (1) Heliophy (1) Solar System/Planetary Sci (1) State Facet State City Bethesda (1) Calgary (1) Heidelberg (1) Sparks (1) Facet City Membership Class Facet Membership Class Division HAD (2) DDA (1) Facet Division