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