Planets

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