Sputnik 21

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Sputnik 21 was an unsuccessful Venus flyby mission launched on 12 September 1962 by the Soviet Union.

[edit] External links

  • Sputnik 21 - from the US National Space Science Data Centre (NSSDC)
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Venera programme
1VA • Venera 1 • Sputnik 19 • Sputnik 20 • Sputnik 21 • Cosmos 21 • Venera 1964A • Venera 1964B • Cosmos 27 • Venera 2 • Venera 3 • Cosmos 96 • Venera 1965A • Venera 4 • Cosmos 167 • Venera 5 • Venera 6 • Venera 7 • Cosmos 359 • Venera 8 • Cosmos 482 • Venera 9 • Venera 10 • Venera 11 • Venera 12 • Venera 13 • Venera 14 • Venera 15 • Venera 16 • Venera-D
Venera 13


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