space

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Across
  1. 4. people that go into space
  2. 5. snowballs of frozen gases,rock,and dust that orbit the Sun
  3. 6. 1st planet from the sun
  4. 8. 5th planet from the sun
  5. 10. 2nd planet from the sun
  6. 12. 3rd planet from the sun
  7. 15. 8th planet from the sun
  8. 17. groupings of stars
Down
  1. 1. center of the solar system
  2. 2. layer of gas surrounding a planet
  3. 3. killed the Dino's
  4. 7. dwarf planet
  5. 9. takes people into space
  6. 11. 6th planet from the sun
  7. 13. 7th planet from the sun
  8. 14. orbit plaints
  9. 16. 4th planet from the sun