SPACE

123456789
Across
  1. 4. largest moon of Jupiter
  2. 5. only planet which has life
  3. 8. smallest planet in the solar system
  4. 9. planet known for rotating on its sides
Down
  1. 1. belt between Mars and Jupiter
  2. 2. first person to set foot on moon
  3. 3. largest planet in the solar system
  4. 6. a dwarf planet
  5. 7. Earth's twin