Across
- 1. Often called the Red Planet
- 5. This object is classified as a dwarf planet
- 6. This planet's day is longer than its year
- 7. _____ belt: a region of objects beyond Neptune
- 9. This planet's blue hue is mainly due to methane
- 12. Planet is closest to the sun
Down
- 2. A rocky object orbiting between Mars and Jupiter
- 3. Visible rings are a main feature of this planet
- 4. Largest of the planets
- 8. Liquid water covers 70% of this planet's surface
- 10. This planet is tilted on its side
- 11. _____ cloud: a source of many comets
