Across
- 2. Dark cold planet
- 4. smallest phase of the moon
- 5. has two moons
- 8. someone who researches about space
- 10. A gas planet
- 11. a line that divides the earth in half
- 12. spins in the opposite direction as earth
- 13. the closest star to earth
Down
- 1. smallest phase of the moon
- 3. planet that orbits sideways
- 5. planet that orbits closer to the moons
- 6. A repeating path for the planets
- 7. the only planet with rings
- 8. person who travels through space
- 9. isn't actually round