The Outer Planets

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Across
  1. 3. for every one earth day, Jupiter has this many
  2. 5. since they are so far from the sun, the outer planets are much __________ than the inner planets
  3. 8. this is the least dense planet
  4. 9. the outer planets are made up of four _______ giants
  5. 10. neptune has the fastest _________ in the solar system
  6. 11. the methane gas makes which planet greenish?
Down
  1. 1. is the most massive planet in the solar system
  2. 2. the outer most planet in our solar system, farthest from the sun
  3. 4. jupiter is made mostly of ____________ gas
  4. 6. when something spins around its center
  5. 7. because they are so massive, gas giants have a greater ________ than the inner planets