Planets Vocabulary

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Across
  1. 3. a representation of proportionate size
  2. 5. any natural object that can be seen in the sky
Down
  1. 1. the amount of stuff in an object
  2. 2. an object that orbits a star
  3. 4. a large self containing mass of stars
  4. 6. any object in the sky that produces light
  5. 7. a small planet that revolves around the sun