Across
- 2. Moons are always ____ than the planets they orbits.
- 4. Mercury is smaller planet in our ___ system.
- 6. The Sun is the closest star to ____.
- 7. Venus spins in the ____ direction to Earth.
- 9. Planats can be ____ of rock,gas or ice.
- 10. The star the most importante.
- 11. Neptune is the ___ planet away from the sun.
- 13. Earth is the only ___ that we known of where things can live.
- 14. Asteroids can be odd ____.
Down
- 1. The Universe is ____ years old.
- 2. The ____ of the Sun is 5600 degree celsius.
- 3. Uranus is the ____ planet in our solar system.
- 5. ___ is the largest planet in the solar system.
- 8. The moon orbits the Earth every ___.
- 12. Mars looks ___ because it has something called iron oxide on its surface.