Emily's space puzzle

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Across
  1. 2. synonym of movement
  2. 3. a mass of material that travels around the sun
  3. 5. having to do with the sun
  4. 8. belonging or relating to heaven
  5. 9. a scientific study
  6. 11. a space thing
  7. 13. earth space and all things in it
  8. 16. a motion in which the path of each point in the moving object is a circle
  9. 17. a group of stars that resemble a object,animal,or mythological character
  10. 19. man made object
  11. 20. a imaginary line in which planets turn on
Down
  1. 1. a small body of matter that enters earths atmosphere
  2. 4. blocking of the moon
  3. 6. the measure of distance in space
  4. 7. rotation
  5. 10. the a planet travels around the sun
  6. 12. scientific instrument
  7. 14. objects that orbit the sun
  8. 15. having to do with the moon
  9. 18. our milky way