Data are also available from a wide range of space missions.
Applicants should contact directly Smithsonian scientists in their area of interest to discuss possible research topics. Applicants must have completed preliminary course work and examinations and be ready to begin dissertation research at the time of the award. A fellowship is awarded for a period of one year at a time. Renewal up to a maximum of three years is possible, contingent upon availability of funding, satisfactory progress, and the agreement of the Fellow's home institution and SAO advisor. The application form can be obtained in screen-fillable PDF format.