Space Crossword

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Across
  1. 4. Which planet is the largest
  2. 5. How many stars are in the Big Dipper
  3. 7. Which planet has the longest days
  4. 9. What is the name of our galaxy
Down
  1. 1. What force keeps an object in orbit
  2. 2. What are the indentations on the moon called
  3. 3. What is it called when a star dies
  4. 6. Which planet is third from the sun
  5. 8. Which planet is no longer a planet
  6. 9. Phobos is which planets moon