Across
- 2. what is jupiter's nickname?
- 7. who was the first man on the moon?
- 9. what is the biggest planet?
- 10. what is the hottest planet?
- 12. how long does it take mercury to orbit the sun in days?
Down
- 1. how far is the earth tilted on its axis in degrees?
- 3. what is the biggest star?
- 4. what two things were formed around 4.6 billion years ago?
- 5. what is the smallest planet in our solar system?
- 6. how many planets are in our solar system?
- 8. how many times larger is the sun than the earth?
- 11. which two planets do not have any moons?