inner planets

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Across
  1. 3. closest planet to the sun
  2. 5. Hottest planet
  3. 7. circles around a planet
  4. 8. the characteristics of a planet
  5. 9. red planet
Down
  1. 1. earth-like
  2. 2. keeps us alive and gives us heat
  3. 3. orbits the earth
  4. 4. keeps are in
  5. 6. the planet we live in