astronomy

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Across
  1. 4. what you use to fly to space
  2. 6. planets passing into the shadow of another
  3. 8. the planet your on
  4. 9. earth planet from the sun
  5. 12. middle of solar system
  6. 13. the gravitational bound
  7. 15. a small rock that is orbiting the sun
  8. 17. closest planet to the sun
  9. 18. named after the ancient Roman god of war
Down
  1. 1. the amount of time it takes for the moon to orbit earth
  2. 2. every 4 years
  3. 3. biggest planet
  4. 5. all of space and time
  5. 7. hottest planet
  6. 9. same name as a chocolate ar
  7. 10. farthest from the sun
  8. 11. National Aeronautics and Space Administration
  9. 12. mostly know for its ring
  10. 14. the amount of time it takes to orbit the sun
  11. 16. the time it takes for earth to rotate