Solar System

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Across
  1. 2. the nature of something's ingredients.
  2. 4. a planet made of gas.
  3. 6. pulling down.
  4. 7. a planet with a icy surface.
  5. 9. a gas surrounding earth or another planet.
Down
  1. 1. the thing that borders Jupiter and Mars.
  2. 3. another word for the ground.
  3. 5. all the planets are apart of it.
  4. 8. what the Milky Way is.