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Across
  1. 1. This is the center of our solar system
  2. 4. The closest planet to the sun
  3. 5. A group of stars that form a pattern
  4. 8. The planet we live on
Down
  1. 1. the planet with the most number of rings
  2. 2. Earth's only natural satellite
  3. 3. When the earth travels around the sun
  4. 5. Deep holes in the moon
  5. 6. The sun is a _ _ _ _
  6. 7. The red planet next to Earth