Oreol - Credit: © Mark Wade. 17,961 bytes. 214 x 308 pixels.

This was a Soviet-French collaborative project, Russian code name Arkad. Launched by Kosmos-2, the spacecraft studied physics and the characteristics of the upper atmosphere. Instruments included Soviet/French magnetosphere and ionosphere experiments, equipment for studying the physical processes in the earth's magnetosphere and ionosphere, and study of the nature of polar aurorae.

• 2 - McDowell, Jonathan, The United Nations Registry of Space Objects, Harvard University, 1997. HTML when accessed: http://hea-www.harvard.edu/QEDT/jcm/space/un/un.html
• 6 - JPL Mission and Spacecraft Library, Jet Propulsion Laboratory, 1997. HTML when accessed: http://msl.jpl.nasa.gov/home.html
• 445 - Melnik, T G, Voenno-Kosmicheskiy Siliy, Nauka, Moscow, 1997..

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