Across
- 3. Number of astronauts that have walked on the moon.
- 7. The coldest planet in our solar system.
- 8. The Great Red Spot on Jupiter is a giant _________________.
- 11. Number of planets in our Solar System.
- 12. This planet was demoted to dwarf planet because of its small size.
- 13. The star that all the planets in our Solar System orbit around.
- 14. The smallest planet in our Solar System.
- 15. Planets that are too small to be considered planets.
Down
- 1. This planet has a moon, Titan, that is bigger than the planet Mercury.
- 2. The planet with the most volcanoes.
- 4. Only planet that can sustain life.
- 5. The name of the stormiest planet.
- 6. The name of the largest gas giant.
- 9. Olympus Mons, the largest volcano in our Solar System, is on this planet
- 10. Belt The belt that separates the inner and outer planets.