Inner Planets

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Across
  1. 4. Closest planet to the sun, named after roman mitology
  2. 5. Often "The Red Planet"
  3. 7. A object that orbits around a bigger celestial object
  4. 8. Biggest mountain on the solar system
  5. 10. When an celestial object repeatedly around another
Down
  1. 1. Hottest planet in the solar system,named after roman mitology
  2. 2. A layer that keeps the gases from getting away, also protects from radiations and rays
  3. 3. Another name for Inner Planets
  4. 6. An object from space
  5. 9. The only planet know to have life