THE PLANETS

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Across
  1. 3. was long considered our solar system's ninth planet. But it was reclassified as a dwarf planet in 2006 by the International Astronomical Union.
  2. 4. The seventh planet from the Sun, has the third largest diameter of planets in our solar system.
  3. 6. is the largest planet in our solar system – if it were a hollow shell, 1,000 Earths could fit inside.
  4. 8. is the smallest planet in our solar system, and the nearest to the Sun.
Down
  1. 1. is the sixth planet from the Sun, the second-largest planet in our solar system.
  2. 2. is the second planet from the Sun, and Earth's closest planetary neighbor.
  3. 5. is the eighth and most distant planet in our solar system.
  4. 7. is the third planet from the Sun, and the fifth largest planet.
  5. 8. the fourth planet from the Sun – is a dusty, cold, desert world with a very thin atmosphere.