NewsPaper Crossword Puzzle Planets

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Across
  1. 4. the first planet from the Sun and the smallest in the Solar System.
  2. 6. the fifth planet from the Sun and the largest in the Solar System.
  3. 8. the sixth planet from the Sun and the second largest in the Solar System, after Jupiter.
Down
  1. 1. the second planet from the Sun. It is a terrestrial planet and is the closest in mass and size to its orbital neighbour Earth.
  2. 2. the eighth and farthest known planet from the Sun.
  3. 3. the seventh planet from the Sun. It is a gaseous cyan-coloured ice giant.
  4. 5. the third planet from the Sun and the only astronomical object known to harbor life.
  5. 7. the fourth planet from the Sun. The surface of Mars is orange-red because it is covered in iron(III) oxide dust, giving it the nickname "the Red Planet".