Memories of Sputnik 3, May 1958. Anatoly Zak @RussianSpaceWeb David Livingston Spaceshow.com

May 20, 02:37 AM

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(Photo: Sputnik 3 in the Konstantin E. Tsiolkovsky State Museum of the History of Cosmonautics in Kaluga.)

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Memories of Sputnik 3, May 1958. Anatoly Zak @RussianSpaceWeb David Livingston Spaceshow.com

http://www.russianspaceweb.com/sputnik3.html

The Object D was conceived as a multi-functional science laboratory with an ambitious array of instruments onboard. It was expected to measure the density and ion composition of the Earth's atmosphere and its magnetic field, and to study solar radiation and cosmic rays. The first satellite also promised a wealth of engineering data, which could later help in the development of attitude- and thermal control systems for future spacecraft, as well as information on the interaction of satellites with the upper atmosphere.