Natural satellite system

123456789
Across
  1. 3. Saturn's largest moon
  2. 4. Mars' moon
  3. 6. Neptune's largest moon
  4. 7. Mars' moon
  5. 9. Mercury and Venus don't have any moons
Down
  1. 1. One of Mars' moons
  2. 2. Pluto's largest moon
  3. 4. One of Mars' moons
  4. 5. Largest moon of Jupiter
  5. 8. Earth's natural satellite