Across
- 4. the planet with famous rings
- 6. the star at the center of our solar system
- 7. a person who travels into space
- 8. the closest planet to the Sun
- 9. the hottest planet
- 12. a tool used to observe space
- 13. the farthest planet from the Sun
Down
- 1. the red planet
- 2. the largest planet in the solar system
- 3. a body that orbits a star
- 5. a huge system of stars and planets
- 6. a giant ball of hot gas that shines
- 8. Earth’s natural satellite
- 10. the planet we live on
- 11. a vehicle used to travel into space