What do planet have?

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Across
  1. 4. our planet
  2. 5. the eighth planet
  3. 6. what we call our star.
  4. 7. frozen ice at the top and bottom of the Earth
  5. 8. the first planet
  6. 11. covers most of the Earth
  7. 13. has many rings
  8. 14. dry and hot
  9. 16. the sun is a...?
  10. 17. frozen water
Down
  1. 1. we have 8 circling around the sun
  2. 2. brightest planet
  3. 3. the biggest planet
  4. 9. seventh planet
  5. 10. circles the Earth
  6. 12. where many trees grow
  7. 15. the red planet