Across
- 1. This planet's space mission is called Juno.
- 4. The farthest planet away from the Sun.
- 9. A large dormant volcano on Mars
- 11. The percentage of water that makes up Earth
- 15. Saturn's largest moon.
- 16. Biosphere 2 was a ___.
- 18. Some people believe Uranus' core is made of?
- 19. The two elements that make up Earth's core
- 20. One of Mars' moons
- 23. Uranus' moons are named after ___ characters.
- 26. How many sets of rings does Uranus have?
- 27. How many layers does Earth have?
- 28. Clusters of rimless depressions with flat floors and haloes of bright material surrounding them.
- 29. The ___ in Uranus' atmosphere makes the planet appear bluish in color.
Down
- 2. Which planet has strong winds comparable to a category four hurricane?
- 3. Mars' atmosphere can be described as ___.
- 5. Earth's rotation period
- 6. A day on ___ is longer than a day on Earth
- 7. Jupiter's nickname is King of the ___ Gods.
- 8. The ___ creates the seasons for Neptune.
- 10. Jupiter's key physical feature.
- 12. Neptune and Uranus' space mission is named ___.
- 13. The scar of a large impact on Mercury
- 14. Closest planet to the Sun
- 17. Neptune's mass is mostly made of ____.
- 21. How many moons does Earth have?
- 22. Also named Biosphere 1
- 24. The researcher that named Uranus.
- 25. Hottest planet in our solar system