Across
- 1. - Has a visible ring around it.
- 4. - The hottest planet in the solar system.
- 6. - First planet to be discovered.
- 8. - A group of stars.
- 9. - Closest to the Sun.
- 11. Center of solar system
- 12. - Known as 'The Red Planet'.
Down
- 2. - Last planet in the solar system.
- 3. - Biggest planet in our solar system
- 5. System Has 8 major planets.
- 7. An invisible line going through the Earth.
- 10. - Has only been visited by a single spacecraft.