Inner planets

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Across
  1. 1. a celestial object that orbits a planet
  2. 4. the terrestrial planet ranges in thickness
  3. 6. Roman god of war
  4. 8. largest inner planet
  5. 9. Hottest planet
  6. 10. moved repeatedly around
Down
  1. 2. planets farther from sun
  2. 3. has almost No atmosphere
  3. 5. like the earth in some ways
  4. 7. planets Mercury Venus earth mars