Solar System

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Across
  1. 3. This planet is similar in composition to Neptune.
  2. 5. The first planet found by mathematical prediction rather than by empirical observation.
  3. 6. The second smallest planet in the Solar System.
  4. 7. An icy small Solar System body.
  5. 9. The second largest planet in the Solar System.
Down
  1. 1. This planet composed primarily of rock and ice and is relatively small.
  2. 2. The largest planet in the Solar System.
  3. 4. The smallest and closest to the Sun.
  4. 8. Where we live ?