Across
- 4. a huge group of stars held together by gravity
- 5. made up of thousands of galaxies
- 8. has the largest rings in the Solar System
- 10. the galaxy we live in
- 11. rotates in the opposite direction as Earth
- 14. the amount of time it takes a planet to spin on its axis
Down
- 1. the amount of time it takes for a planet to revolve around the Sun once
- 2. the Great Red Spot
- 3. has the tallest mountain in the solar system
- 6. only planet with life
- 7. the closest planet to the Sun
- 9. has 8 total planets
- 12. furthest planet from the Sun
- 13. it's axis is tilted 90 degrees