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| | Sputnik |
 | | “Sputnik” (satellite) was the abbreviated Western name for these spacecraft, known in Russia generically as Iskusstvenniy Sputnik Zemli (Artificial Earth Satellite). |
 | | The spacecraft known in the West as Sputnik 4, 5, 6, 9, and 10 were announced at the time in Russia as Korabl-Sputnik 1, 2, 3, 4, and 5. |
 | | The last in the series, though prior to a decision to be more cautious in the launch schedule it may have been intended as the first. |
| www.daviddarling.info /encyclopedia/S/Sputnik.html (295 words) |
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