Planets

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Across
  1. 2. Closest planet to Earth
  2. 5. Known as the "Red Planet"
  3. 6. The farthest planet from the sun
  4. 8. Safest planet to live on
Down
  1. 1. Biggest and hottest star
  2. 3. Famous for its rings
  3. 4. The largest planet
  4. 5. Closest planet to the sun
  5. 7. No longer a officially considered a planet