Lukes space crossword puzzle

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Across
  1. 1. closet planet to the sun
  2. 5. has planets like ours
  3. 6. the only star in our solor system
  4. 7. a gas giant
  5. 8. circle the outer planets
Down
  1. 2. a complete orbit for planets around the sun
  2. 3. made of rock and metal
  3. 4. orbit most planets
  4. 6. a hot ball of gas