Across
- 1. The smallest planet.
- 4. The biggest planet.
- 6. Family of space objects.
- 7. The farthest planet from the Sun.
- 8. Has big rings of ice and rocks.
Down
- 1. The Red Planet, with the biggest mountains.
- 2. Only planet with life.
- 3. The hottest planet.
- 5. Has vertical rings.
- 6. The center of the Solar System.