Science project about space

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Across
  1. 4. These always face the opposite of the sun
  2. 8. This is why the sun appears so much larger compared to other stars
  3. 9. This is the GDRSD's mascot
  4. 10. Along with earths axis this is why the seasons change
  5. 12. When you are at this place on earth the season change doesnt have that big of an effect
  6. 13. When the moon does this it gets larger
  7. 15. This cycle is how long it takes for the earth to spin around
  8. 16. It is a force that pulls things and keeps you on earth
  9. 18. Gravity uses this and its why you stay on earth
  10. 19. When the moon does this it gets smaller
Down
  1. 1. This is why earth doesnt fly off into space
  2. 2. This is the reason why earth has different seasons
  3. 3. The amount of this i dependent where earth is and where you are on earth
  4. 5. When it is noon this is how large shadows are
  5. 6. This object takes 29.5 days to orbit around earth
  6. 7. This is one way you can measure a stars brightness
  7. 11. It is the meduim sized star that earth orbits
  8. 14. This is a old machine that used shadows to measure what time it was
  9. 17. These zones each have different hours and there are 24 of them