space cross word

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Across
  1. 2. 4th planet from the sun
  2. 3. 7th planet from the sun
  3. 8. 5th planet from the sun
  4. 9. person who travels through space
  5. 11. 8th planet from the sun
  6. 13. 6th planet from the sun
Down
  1. 1. a celestial object similar to a planet but too small to clear other objects from its orbit.
  2. 4. vehicle used to travel across space
  3. 5. all of space and everything in it
  4. 6. Scientific study of stars, planets, and outer space
  5. 7. 2nd planet from the sun
  6. 10. planet closest to the sun
  7. 12. 3rd planet from the sun