The Solar System

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Across
  1. 1. it keeps you grounded
  2. 3. size of the Sun
  3. 6. Pluto is this
  4. 8. made mostly of gas
  5. 10. life exists here
  6. 11. our galaxy
  7. 12. it takes Earth 365 days
  8. 16. Our Moon's surface
  9. 17. made of rocks and metals
  10. 19. the path around the sun
  11. 20. fourth planet from the sun
Down
  1. 2. solid rocky surface
  2. 4. Earth's orbit
  3. 5. second planet from the sun
  4. 7. Earth has one, Jupiter has the most
  5. 9. people who study space
  6. 12. it takes Earth 24 hours
  7. 13. Moon's gravitational pull causes these
  8. 14. first planet from the sun
  9. 15. made of dirt and ice
  10. 18. our solar system's star