Our Solar System
Across
- 1. star at the center of our solar system
- 4. closest planet to the sun
- 6. the stage before a star stabilizes
- 7. 4th planet from the sun
- 9. cloud of gas and dust in space where stars can form
- 11. 5th planet from the sun, has the Red Spot
- 13. blue planet with mostly methane in the atmosphere
- 14. hottest planet in our solar system
- 16. measurement of distance, how long it takes light to travel one year
Down
- 2. when a star begins turning hydrogen into helium and other heavier elements
- 3. was once a planet, now a dwarf planet
- 5. movement around an object
- 8. movement on an axis
- 10. has phases from full to new and back
- 12. planet that orbits on its side
- 15. only planet with life on it