Across
- 4. – The windiest planet
- 6. – Known as the Red Planet
- 9. – The only planet known to support life
- 10. – Planet that rotates on its side
- 12. – A star at the center of our solar system
- 14. – The path one object takes around another
- 15. – A large system of stars, gas, and dust
- 17. – When one celestial body blocks another
- 18. – Vehicle used to travel into space
- 19. – An icy space object with a glowing tail
Down
- 1. – A shooting star
- 2. – A person trained to travel in space
- 3. – The hottest planet in our solar system
- 5. – Tool used to see distant space objects
- 6. – Closest planet to the Sun
- 7. – Planet famous for its rings
- 8. – Earth’s natural satellite
- 11. – A rocky object orbiting the Sun
- 13. – The largest planet in our solar system
- 16. – Once called the ninth planet, now a dwarf planet