Space

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Across
  1. 3. The 4th planet from the Sun
  2. 6. A large system of stars held together by their gravity
  3. 8. The 5th planet from the Sun
  4. 10. A dusty snowball that orbits a star
  5. 11. How the Universe was created
  6. 12. The 2nd closest planet to the Sun
  7. 13. An object orbiting a celestial body of larger mass
  8. 15. A small rocky body in space
  9. 17. The closest planet to our Sun
  10. 19. A group of planets, asteroids, comets and other celestial bodies that orbit around a star
Down
  1. 1. The 3rd planet from the Sun
  2. 2. A celestial body that orbits a star
  3. 4. A natural satellite of a planet
  4. 5. The 8th planet from the Sun
  5. 7. Where most asteroids are found
  6. 9. The 7th planet from the Sun
  7. 14. Where most comets are found
  8. 16. A celestial body that generates its own light and heat. Consists of a mass of gas held by its own gravity
  9. 18. Naturally made object outside the Earth's atmosphere
  10. 19. The 6th planet from the Sun