Across
- 4. a ball of ice and rock
- 7. the storm on Jupiter that has lasted 100's of years
- 9. a large moon with an atmosphere
- 10. the farthest planet
- 14. this planet has a day that lasts 2/3 of a year
- 16. a very ong canyon on Mars
- 19. a moon of Jupiter that is heavily cratered
- 21. what lies just beyond the solar system
- 23. home
- 24. a moon that is very smooth, maybe an ocean
Down
- 1. the largest moon in the Solar System
- 2. one of these killed off the dinosaurs
- 3. the largest planet
- 5. the brightest star 2 words
- 6. this group includes Jupiter,Saturn,Uranus&Neptune
- 8. planet with rings
- 11. Venus has 92 times the______ of Earth
- 12. the hottest planet
- 13. where Elon Musk wants us to go
- 14. the gas that gives some gas giants their color
- 15. the molecule that allows life on Earth
- 17. a former planet
- 18. a volcanically active moon of Jupiter
- 20. the largest moon of Neptune, has nitrogen geysers
- 22. this planet has a 90 degree tilt