Celestial bodies of the universe

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Across
  1. 4. It is the closest galaxy to the Milky Way.
  2. 5. Always point north
  3. 8. There are several revolving around our planet.
  4. 9. A natural satellite
  5. 11. Path that our planet follows around the sun.
  6. 14. 300,000,000 km
  7. 15. Is one of newton's laws
  8. 16. We live there
  9. 17. Ice structures covered with organic material.(Wishes can be asked)
  10. 18. Twinkle little
  11. 19. Contains the solar system and many other planets.
  12. 20. A ship far, far away
  13. 21. It makes the apple fall from the tree.
  14. 23. Can eather be planetary or stellar of this
  15. 25. A type of Nebula that is not very bright
  16. 27. They are said to have made the dinosaurs extinct.
Down
  1. 1. The stars are made of it.
  2. 2. It is the closest to earth.
  3. 3. It is used to tell how much matter is in an object.
  4. 6. A research laboratory in space run by NASA.
  5. 7. A donut of icy objects around the Sun
  6. 10. Its name does not always resemble its shape.
  7. 12. There are 8 in our solar system
  8. 13. Ours is called the milky way
  9. 22. Its shape resembles a frying pan.
  10. 24. Large mass body that can absorb objects.
  11. 26. One of the most renowned space telescopes.