Solar System

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Across
  1. 4. the largest planet in the solar system.
  2. 6. The largest peak on the red planet is a volcano called
  3. 9. carries the name of the Roman god of war and is often referred to as the "Red Planet"
  4. 10. the name means ground
  5. 11. only this planet's rings can be seen the clearest
  6. 12. hottest planet in the solar system
Down
  1. 1. Center of the Solar System
  2. 2. name of our galaxy
  3. 3. this planet takes roughly 84 years to orbit the sun
  4. 5. instead of an atmosphere, mercury possess a thin layer composed mostly of oxygen, sodium, hydrogen, helium and potassium
  5. 7. the only planet in the solar system that does not have an atmosphere
  6. 8. the furthest planet from the Sun and it takes 165 years for it to go once around the Sun.