Across
- 4. This is Jupiter's biggest moon
- 7. This is the name of Earth's only moon
- 8. This planet has rings
Down
- 1. This is Saturn's biggest moon
- 2. This planet has 14 moons
- 3. This planet doesn't have any moons
- 5. This is the name of one of Mars' two moons
- 6. This is what the moon orbits