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Across
  1. 3. is when planets circle around the sun.
  2. 4. the coldest planet in the whole solar system.
  3. 5. the planet that is close to the sun.
  4. 6. is made out of hydrogen and helium gases.
  5. 10. a planet that is the hottest planet in the whole solar system.
Down
  1. 1. an spherical shape that orbits the sun.
  2. 2. an irregular shape that orbits the sun.
  3. 7. the only planet laying on its side.
  4. 8. the place where we live.
  5. 9. is made of chunks of ice and dust or rock.