Space Crossword puzzle.

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Across
  1. 2. The big and little dipper.
  2. 8. star-like chunks of rock of medal traveling through space
  3. 10. gravity is so strong that not even light can escape it.
  4. 12. object that light up the night sky.
  5. 13. The moon passing between the earth and sun obstructing the view of the sun.
  6. 14. the smallest planet.
Down
  1. 1. The milkway
  2. 3. The earth goes between the sun and the moon making the moon dark.
  3. 4. The largest planet.
  4. 5. Force that pulls objects toward each other.
  5. 6. The hottest planet.
  6. 7. system The sun and the planets that orbit it.
  7. 9. the fourth planet from the sun.
  8. 11. Massive hot star in the center of the solar system.
  9. 15. The only planet that has living creatures.