Sputnik 21
From Wikipedia, the free encyclopedia
Sputnik 21 was an unsuccessful Venus flyby mission launched on 12 September 1962 by the Soviet Union.
[edit] External link
- Sputnik 21 - from the US National Space Science Data Centre (NSSDC)
| 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 |
