Outer planets

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Across
  1. 3. belt A belt surrounded by asteroids
  2. 5. one complete trip along an orbit
  3. 6. the darker portion of the shadow
  4. 8. spin of the body on its axis
  5. 9. clouds filled with ammonia
Down
  1. 1. layers of the clouds
  2. 2. planets' gas giants
  3. 3. tilt the earth's axis is tilted at 23.5 degrees
  4. 4. the lighter portion of the shadow
  5. 7. core A core that is rocky