Across
- 2. the hottest planet
- 4. people might one day live on another planet
- 5. a invisible path a rocket ship takes
- 7. second farthest from the sun
- 9. coldest planet
- 10. a solar day
- 11. another meaning for moon
- 12. a bright fire ball in space
Down
- 1. the smallest planet
- 3. our home planet
- 4. a rock from out of space that looks like a light
- 6. a type of flower
- 8. relating to stars and space
- 10. it has a lot of rings