Across
- 5. the units used to measure distances in space
- 7. What gas giants are made of
- 8. the different ends of the planets
Down
- 1. gas giants that are extra cold
- 2. the gas that makes Uranus and Neptune
- 3. The objects that orbit the planets.
- 4. Saturn wears them
- 6. the time it takes for a planet to go around the sun