Solar System

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Across
  1. 2. have extremely hot and cold temperatures
  2. 3. sometimes called earth’s “evil twin”
  3. 5. first planet found by a telescope
  4. 6. has complex rings
  5. 8. the oldest planet
  6. 9. the fifth largest planet
Down
  1. 1. the weakest force
  2. 4. our “space neighborhood”
  3. 7. not visible to the naked eye