Across
- 2. spins in the opposite direction as earth
- 8. person who travels through space
- 9. planet that orbits closer to the moon
- 10. supersonic winds
- 11. someone who researches about space
- 14. the last planet in the solar system
- 15. the only planet with rings
Down
- 1. a great comet catcher
- 3. planet that orbits sideways
- 4. smallest phase of the moon
- 5. the planet with two moons
- 6. floating rocks in space
- 7. a repeating path for the planets
- 12. the closest star to earth
- 13. the line that divides the centre of the earth