crossword unit test review

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Across
  1. 4. a point between two object
  2. 5. 88 days rotation
  3. 9. day rotation
  4. 11. 90,582 days rotation
  5. 12. 4,33 days rotation
  6. 14. cosmic background
  7. 15. The Universe formed from a massive expansion approx
  8. 16. our is galaxy part of a bigger system
  9. 17. 225 days rotaion
  10. 18. who's 3 laws
  11. 20. formed in the middle caused by heat
  12. 23. how the universe was formed
  13. 24. earth rotates every
  14. 25. how did our solar system form
Down
  1. 1. the galaxy we are apart of
  2. 2. moves faster when close to the sun
  3. 3. Cloud flattened as it spun around, forming an
  4. 6. puts things together
  5. 7. Electromagnetic Spectrum
  6. 8. the sun is at the center of
  7. 10. hottestt planet
  8. 13. nutation happens off the course over
  9. 19. earth rotates around the sun every
  10. 21. the planet starts to wobble
  11. 22. solar system must include