Why do Gas Giants occupy the outer Solar System?

From Jupiter to Saturn, to Uranus, and finally Neptune, our outer Solar System comprises four fascinatingly very different yet very similar planets: the gas giants, also known as the Jovian planets. But why Jovian? As stated, all four planets are very similar in composition. Therefore, the term Jovian referring to the God Jupiter was intended … Continue reading Why do Gas Giants occupy the outer Solar System?