Space Crossword

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Across
  1. 2. the only star in our solar system
  2. 4. big balls made of really hot gases
  3. 7. an object in space with gravity so strong that it pulls everything into it
  4. 8. the group of planets that have gaseous surfaces
  5. 9. a natural object that orbits a planet
  6. 10. has a tail made of ice
Down
  1. 1. the group of planets that have rocky surfaces
  2. 3. an irregular shaped figure that orbits the sun and is a rock
  3. 5. the air that surrounds Earth
  4. 6. made of gas, dust, billions of stars, and things that orbits those stars