Across
- 1. the red planet
- 4. how long it takes a planet rotate
- 5. the state of the moon when the lighted part is growing bigger
- 6. how long it take a planet to orbit the sun
- 11. a star and everything that orbits it
- 14. the biggest planet
- 15. the windiest planet
- 16. the hottest planet
Down
- 2. the planet known for its rings
- 3. a group of stars
- 7. the only planet with liquid water
- 8. a dwarf planet
- 9. planet with almost no atmosphere
- 10. where a star is born
- 11. the Milky Way is a _____ galaxy
- 12. a giant star becomes this when it dies
- 13. the planet that rotates sideways