File:GerardKuiper.jpgImage from http://history.nasa.gov/SP-4210/pages/Ch_15.htm English applies to jurisdiction: United States of America determination method: work of the
File:Gerard Kuiper - Retired.jpghttps://creativecommons.org/licenses/by/2.0CC BY 2.0 Creative Commons Attribution 2.0 truetrue 9 January 2024 English Gerard Kuiper Airborne Observatory
File:Kuiper colored.jpgEnglish Colored image of Kuiper by the American Institute of Physics applies to jurisdiction: United States of America determination method: work of the
File:Gerard Kuiper 1964c.jpgDescriptionGerard Kuiper 1964c.jpg Nederlands: Aankomst prof. Kuiper op Schiphol, prof. Kuiper bij de maanfotos Date 29 August 1964 Source [1] Dutch National
File:Gerard Kuiper 1964b.jpgDescriptionGerard Kuiper 1964b.jpg Nederlands: Aankomst prof. Kuiper op Schiphol, prof. Kuiper bij de maanfotos Date 29 August 1964 Source [1] Dutch National