Across
- 3. the red planet
- 4. earth’s sister
- 6. the most moons
- 8. the international space station’s acronym
- 11. an imaginary picture in the stars
- 12. the red spot planet
- 14. planet closest to the sun
- 16. a burning sphere of gas
Down
- 1. little rings
- 2. the impact of a meteorite with a planet
- 5. a man made or natural object that orbits a planet
- 7. Roman mythology’s sea god
- 9. the huge sphere of fire
- 10. unidentified flying object
- 13. Mickey Mouse’s dog
- 15. only known habitable planet