Across
- 1. this type of satellite gives people their location
- 5. A robotic arm on the ISS designed by Canada
- 7. this type of spacecraft carries out robotic exploration of space
- 8. Pieces of debris orbiting Earth
- 9. Uses xenon gas instead of chemical fuel
- 10. Rockets helped us overcome _______ to get off Earth
Down
- 2. The ISS is one of these
- 3. this type of satellite takes pictures of Earth's surface in more than one wavelength
- 4. part of the rocket that transports people
- 6. A type of satellite that relays telecommunication signals
- 8. propelled by photons instead of chemical fuel