Across
- 2. a person trained to go into space
- 3. the only known planet with living creatures
- 4. called the red planet
- 9. the planet farthest from the Sun
- 10. balls of frozen gas, rock and dust that orbit the Sun
- 11. the centre of our solar system
- 12. also called a shooting star
- 13. no longer called a planet
Down
- 1. the largest planet
- 5. a home in space for an astronaut
- 6. this planet is famous for its rings
- 7. the hottest planet
- 8. closest planet to the Sun
- 12. Earth is located in this galaxy