Earth, Moon and Sun

12345678910111213
Across
  1. 4. the planet we live on
  2. 5. the star rounds that the Earth orbits
  3. 7. the natural satellite of the Earth
  4. 9. a machine sent into orbit around a planet
  5. 11. the time between Sunrise and Sunset
  6. 12. system, the Sun together with all the planets
  7. 13. the time of Darkness
Down
  1. 1. the dark figure or area of something
  2. 2. rotation around something
  3. 3. to travel around something
  4. 6. the act of turning around
  5. 8. an imaginary line
  6. 10. a large group of stars