Across
- 1. The second largest planet.
- 2. Orbits the earth.
- 4. Discovered by William Herschel.
- 6. Not classed as a dwarf planet.
- 7. Closest planet to the sun.
- 8. The third planet from the sun.
Down
- 1. The largest star.
- 2. Known as the red planet.
- 3. The king of the Roman gods in mythology.
- 5. Has 14 moons.