Space

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Across
  1. 2. a group of stard,dust,gas and dark matters
  2. 4. has 64 Moons
  3. 8. orbits the Earth
  4. 9. are things that float in space
  5. 11. is the smallest moon on Mars
  6. 13. are sent into space
  7. 15. is one of our largest stars
  8. 17. are believed to live on other planets
  9. 18. get sent to planets and back
  10. 20. known as the red planet
  11. 21. is the hottest planet
Down
  1. 1. is a planet full of methane
  2. 3. is the closet to the Sun
  3. 5. is White/Grey colour
  4. 6. are made of ice,co2 or methane mixed with dust
  5. 7. has living things on it
  6. 10. all our planets and stars are in it
  7. 12. has rings made of ice
  8. 14. is the largest moon on Mars
  9. 16. rains diamonds
  10. 19. is prat on a Rocketship