Across
- 1. the name of our galaxy
- 3. the dwarf planet
- 4. name of the second largest planet in the solar system
- 7. third planet from the sun
- 8. the first space probe to leave the solar system
- 10. what surrounds saturn
Down
- 2. distance measurement unit used in the universe
- 5. first man to walk on the moon
- 6. the smallest planet
- 9. jupiter's largest moon
- 11. nearest star to earth