Across
- 2. Contains our solar system
- 5. Largest moon in our solar system.
- 7. Has a Nickel/ Iron core.
- 8. Neptune's biggest moon
- 9. Moon that will one day be torn apart by gravitational forces and become a ring around Mars.
- 10. A day on the surface planet is equivalent to 176 days on Earth.
- 11. Surface temperature on this planet can reach 471 degrees Celsius (about 879 Degrees Fahrenheit.)
- 14. The first planet to be discovered by the use of a telescope.
- 15. Moon that is made of ice but has ice canyons, terraces and other strange surfaces.
Down
- 1. Moon made of Nitrogen. Mainly composed of water, ice and rocks
- 3. Will collide with the Milky Way in 4.5 billion years.
- 4. Has the largest dust storms in the solar system.
- 6. This planet is made of hydrogen, helium and some methane gases.
- 12. Fifth brightest object in solar system. Can be seen with the naked eye.
- 13. Orbits the sun every 11.8 Earth Years.