INner Planets

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Across
  1. 1. goes around repeatedly
  2. 4. only planet with life
  3. 5. celestial object
  4. 7. eight planets
  5. 9. inner planet composition
Down
  1. 2. earth-like
  2. 3. hottest planet
  3. 5. red planet
  4. 6. gases surrounding the planet
  5. 8. smallest planet