Space Exploration & Satellites

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Across
  1. 2. Path of an object around a planet
  2. 8. Russian space traveler
  3. 9. Instrument used to observe distant objects
  4. 10. Object orbiting a planet or star
  5. 11. Person trained to travel in space
  6. 12. Earth’s natural satellite
Down
  1. 1. Force that keeps planets in orbit
  2. 3. Vehicle used to launch into space
  3. 4. Act of sending a spacecraft into space
  4. 5. Planet often explored by rovers
  5. 6. Place where astronauts live in orbit
  6. 7. Unmanned spacecraft sent to explore