Inner planets

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Across
  1. 2. gasses surrounding a planet
  2. 4. closest planet
  3. 6. 4 closest planets to sun
  4. 8. material of planet
  5. 9. red planet
  6. 10. how many moons
Down
  1. 1. known as
  2. 3. hottest planet
  3. 5. what kind of orbits
  4. 7. known life