The Planets

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Across
  1. 2. I am the flattest planet.
  2. 4. I have the tallest mountain in the Solar System.
  3. 6. I am the smallest planet in our Solar System.
  4. 7. I have the shortest day of all planets.
  5. 8. I am the densest planet in our Solar System.
Down
  1. 1. I am the hottest planet in our Solar System.
  2. 3. I make one trip around the Sun every 84 Earth years.
  3. 5. I have 14 Moons.