SPACE

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Across
  1. 2. 3 minutes of darkness
  2. 5. you are standing on it
  3. 8. big chunks of rock
Down
  1. 1. the big guy gas planet
  2. 3. the 9th planet
  3. 4. the twin planet
  4. 6. the red planet
  5. 7. planet the outsiders