space things

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Across
  1. 4. when the core of a planet is composed of heavy metals
  2. 5. coldest planet in our solar system
  3. 7. known for its many beautiful rings
  4. 8. planets in the milky way revolve around this star
  5. 9. dictated by atmospheric levels in which gases condense into liquid droplets/solid flakes
  6. 10. hottest planet
Down
  1. 1. form at about 150 K
  2. 2. a.k.a gas giants
  3. 3. closest planet to the sun
  4. 6. separates the inner and outer planets