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O:\Dodd\Earth & Space Science\Sputnik I


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Sputnik I PowerPoint for Eath/Space Science

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O:\Dodd\Earth & Space Science\Sputnik I

  1. 1. Sputnik I Dennis Dodd
  2. 2. General Satellite Information <ul><li>First Earth-orbiting man-made satellite </li></ul><ul><ul><li>First of many such programs. </li></ul></ul><ul><ul><li>This specific program was known as Sputnik </li></ul></ul><ul><ul><li>Originally Developed by OKB-1 </li></ul></ul><ul><ul><ul><li>Soviet Ministry of Radio technical Industry </li></ul></ul></ul>
  3. 3. General Sputnik Information <ul><li>Orbited Earth for 3 months </li></ul><ul><li>Launched at 19:28:34, October 4, 1957 (UTC) </li></ul><ul><ul><li>Via the Sputnik rocket </li></ul></ul><ul><li>Orbital decay was three months </li></ul><ul><ul><li>4 January 1958 </li></ul></ul><ul><li>Weighed 83.6 kg (184.3 lb) </li></ul><ul><li>Orbited the Earth in 96.2 minutes </li></ul><ul><li>Unmanned, size of a beach ball </li></ul>
  4. 4. Fate of Sputnik <ul><li>Sputnik’s original and only mission was to get a working satellite up before the United States </li></ul><ul><ul><li>Used it to collect data about the atmosphere in and around Earth. </li></ul></ul><ul><li>After three months, the transmitters batteries finally died </li></ul><ul><ul><li>Gravitational pull of the Earth pulled it down, where it burned up. </li></ul></ul>
  5. 5. Interesting Photo <ul><li>This metal arming key is the last remaining piece of the first Sputnik satellite. It prevented contact between the batteries and the transmitter prior to launch. Currently on display at the National Air and Space Museum. </li></ul>