Across
- 2. Celestial body that orbits a star
- 6. Navigation instrument showing direction
- 8. Sound produced by lightning
- 9. Structure built to span physical obstacles
- 10. A popular programming language named after a comedy group
- 12. Coldest season of the year
- 15. Organized sound and rhythm
- 17. Popular morning beverage made from beans
- 18. Long trip or voyage
Down
- 1. Fortified medieval building
- 3. Freedom from oppression or control
- 4. Large area densely covered with trees
- 5. Cultivated plot for growing plants
- 7. Six-stringed musical instrument
- 10. Game that tests problem-solving skills
- 11. When the sun disappears below the horizon
- 13. Vehicle designed for space travel
- 14. Large body of saltwater
- 15. Object that attracts iron and steel
- 16. Visible mass of water droplets in the sky