Across
- 2. / the natural satellite
- 7. / the sixth planet from the sun
- 9. / the second planet from the sun
- 11. / a region of space having a gravitational field so intense not even life can get out
- 13. / a fixed luminous point in the sky
- 15. / fifth planet from the sun
- 16. / a fictional being from anther world
- 18. / no longer considered a planet
- 20. / a small body of matter from outer space
Down
- 1. / this star sustains life on earth
- 3. / the path taken by a planet or a moon
- 4. / forth planet from the sun
- 5. / the seventh planet from the sun
- 6. / the planet closest to the sun
- 8. / small rocky body orbiting he sun
- 10. / make up our solar system
- 12. / the physical universe beyond the earths atmosphere
- 14. / the eight planet from the sun
- 17. / a celestial object consisting of a nucleus of ice and dust
- 19. / the planet we live on