Across
- 4. Smallest planet in solar system
- 6. largest planet in the solar system
- 7. moon what is the lunar eclipse aloe called
- 8. the hottest planet
- 9. A person who travels to space
Down
- 1. how many days does it take earth to complete 1 orbit
- 2. the movement of one object around another
- 3. the coldest planet
- 5. the study of space