Space Review Crossword

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Across
  1. 2. rocky hard planets
  2. 3. Pluto is a
  3. 9. a group of stars as observed by Earth
  4. 10. object that makes its own light
Down
  1. 1. between Mars and Jupiter
  2. 4. gaseous and liquid planets
  3. 5. small icy debris past our solar system
  4. 6. shooting stars
  5. 7. a large celestial object that travels around a star
  6. 8. small objects beyond Neptune's orbit