Space Crossword

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Across
  1. 2. The only planet that rotates clockwise
  2. 5. Small rocky body orbiting the sun
  3. 6. Cloud of dust and gas in outer space in a bright patch
  4. 7. The first known astronaut on the moon
Down
  1. 1. The fifth and largest planet in our solar system
  2. 3. The _ belt beyond Neptune contains many frozen bodies
  3. 4. Is no longer considered a planet
  4. 8. The massive star the Earth orbits around