Across
- 2. – Orbits a planet; can be natural or man-made
- 3. – A burning ball of gas in space
- 5. – The only planet known to support life
- 8. – Icy space traveler with a glowing tail
- 11. – Rocky object, mostly found in a belt between Mars and Jupiter
- 13. – Planet famous for its rings
- 15. – The path one object takes around another in space
- 16. – The force that keeps planets in orbit
Down
- 1. – Closest planet to the Sun
- 4. – Tool for observing distant objects in space
- 6. – Largest planet in the solar system
- 7. – Vehicle used to launch spacecraft
- 9. – Known as the Red Planet
- 10. – Earth's natural satellite
- 12. – Our solar system's central star
- 14. – A person trained to travel in space