Across
- 4. has things living on it
- 5. is the closet to the Sun
- 8. is White/Grey
- 10. all are planets and stars are in
- 13. things that float in space
- 15. is part of a rocket
- 16. it orbits Earth
- 17. has mountains and craters on it
- 18. are believed to live on the orther planets
Down
- 1. also known as the red planet
- 2. is the largest of Mar's moons
- 3. has 64 Moons
- 6. get sent to planets and back to Earth
- 7. a group of stars, dust, gas and dark matters
- 9. a planet full of methane
- 11. rains diamonds
- 12. made ice, rock, co2 or methane mixed with dust
- 14. is the smallest of Mar's moons
- 15. has rings made of ice
- 19. is one of our largest stars