Science crossword

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Across
  1. 1. massive systems
  2. 5. thingy to look at planets
  3. 8. power
  4. 9. big rocks
  5. 10. when the moon covers the sun
  6. 14. the thingy around the earth
  7. 16. thingy that goes into space
  8. 17. the thing holding us down
  9. 20. very cold
  10. 22. biggest planet
  11. 23. has a ring
  12. 25. planet science
  13. 26. hot and our source of light
Down
  1. 2. flying rock
  2. 3. where the planets are
  3. 4. smallest planet
  4. 6. the night thingy
  5. 7. stars that form a picture
  6. 11. a asteroid
  7. 12. red
  8. 13. the line the planets go on
  9. 15. light dots
  10. 18. lots of rocks
  11. 19. not a planet anymore
  12. 21. our home
  13. 24. bright blue