Across
- 4. The planet where humans, animals, and plants live
- 6. The star at the center of our solar system
- 7. The largest planet in our solar system
- 8. A person who travels and works in space
- 10. The smallest planet and the closest planet to the Sun
- 13. The red planet known for its dusty surface
- 14. The farthest planet from the Sun
- 16. The huge area beyond Earth's atmosphere
Down
- 1. The hottest planet in our solar system
- 2. The path a planet follows around a star
- 3. The planet famous for its beautiful rings
- 5. The planet that rotates on its side
- 6. A giant ball of hot glowing gas in space
- 9. A tool used to see far objects in space
- 11. A vehicle used to travel into space
- 12. The natural satellite that orbits Earth
- 15. A huge group of stars, planets, and space objects
