The solar system

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Across
  1. 3. ninth planet in the solar system (dwarf planet).
  2. 5. eight planet in the solar system.
  3. 7. an object that orbits a larger object.
  4. 8. second planet in the solar system.
Down
  1. 1. those are nine in number.
  2. 2. small objects mostly made of ice.
  3. 4. fifth planet in the solar system.
  4. 6. smaller than the asteroids or comet.
  5. 9. the biggest star.