GPS

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Across
  1. 4. global positioning system
  2. 6. someone who works in space
  3. 7. geosynchronous earth orbit
  4. 10. low earth orbit
  5. 11. some satellites are as big as...
Down
  1. 1. to go around
  2. 2. medium earth orbit
  3. 3. the first ever satellite
  4. 5. something that orbits a planet or a star
  5. 8. a natural satellite
  6. 9. the largest known space station
  7. 12. the only planet with a gravitational pull