Planets Crossword

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Across
  1. 2. the hottest planet with a thick, toxic atmosphere of carbon dioxide and sulfuric acid clouds
  2. 6. a small, icy world in the Kuiper Belt, no longer classified as a planet
  3. 7. the smallest and fasted planet, covered in craters, with extreme temperature swings
  4. 8. Known for its stunning rings made of ice and rock, this gas giant is the second-largest planet
  5. 9. our home, the only known planet with liquid water and life
Down
  1. 1. a yellow star that provides light and heat, holding the solar system together with its gravity
  2. 3. a tilted ice giant that rotates on its side, with a blue-green color from methane gas
  3. 4. the windiest planet, a deep-blue ice giant with the strongest storms in the solar system
  4. 5. the largest planet, a gas giant with a Great Red Spot and dozens of moon
  5. 7. the "Red Planet," with canyons, deserts and the best candidate for future human exploration