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 Astrobio (1) Astronomy Educa (1) GRBs (1) Solar System/Planetary Sci (1) Supernovae (1) (-) High-Energy Pheno (1) (-) Star Formation & Evolu (1) State CA (1) Facet State City Ames (1) Amsterdam (1) Anderson (1) Boulder (1) Calgary (1) Carrollton (1) Chester (1) Columbus (1) Ellicott City (1) Gainesville (1) Green Valley (2) Johnson City (1) Marina (1) Marlton (1) Pasadena (1) Seattle (1) Tucson (1) Whitewater (1) (-) San Ramon (1) Facet City Membership Class Amateur Affiliate (1) (-) Full Emeritus Member (1) Facet Membership Class Division DPS (1) (-) HAD (1) Facet Division Showing 1-1 of 1 results Cynthia Cheung Full Emeritus Member Affiliation NASA's GSFC State/Province CA Country United States