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  1. How Space Shuttles Work - HowStuffWorks

  2. The Space Shuttle - NASA

  3. Space Shuttle - Wikipedia

  4. The Aeronautics of the Space Shuttle - NASA

  5. Space shuttle | Names, Definition, Facts, & History | Britannica

  6. how it works - NASA

  7. Space Shuttle – Definition & Detailed Explanation - Sentinel Mission

  8. Space Shuttle, the World’s First Reusable Spacecraft

  9. Space exploration - Shuttle, Astronauts, Missions | Britannica

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