American Astronomical Society

Science & technology organization based in Washington, DC. 46 employees. Exempt under §501(c)(3).

MissionTHE AMERICAN ASTRONOMICAL SOCIETY (AAS), ESTABLISHED IN 1899, IS THE MAJOR ORGANIZATION OF PROFESSIONAL ASTRONOMERS IN NORTH AMERICA. THE BASIC OBJECTIVE OF THE AAS IS TO PROMOTE THE ADVANCEMENT OF ASTRONOMY AND CLOSELY RELATED BRANCHES OF SCIENCE THE MEMBERSHIP (APPROXIMATELYmore