Sputnik 1
作者：Art Blos DaveBowman2001 Kukanotas toutatis
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Sputnik 1 was the first spacecraft ever put into orbit around Earth. Launched by the Soviet Union in 4 October 1957, it sent radio signals back to Earth for 22 days before it went silent. It reentered the Earth's atmosphere on 4 January 1958
| Sputnik Program (1957–1999) |
||
|---|---|---|
| Mission | Start | End |
| Sputnik 1 | 1957-Oct-4 | 1957-Oct-26 |
| First spacecraft ever launched successfully in space. Reentered on 1958-Jan-4 | ||
| Sputnik 40 | 1997-Nov-3 | 1997-Dec-29 |
| First mockup deployed from Mir, in celebration of Sputnik 1's 40th launch anniversary. Reentered on 1998-May-21 | ||
| Sputnik 99 | 1999-Apr-16 | 1999-Jul-29 |
| Second mockup deployed from Mir. Radio equipment intentionally disabled before deployment, rendering it unusable | ||
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