Answer:
As far as our understanding of planetary formation goes, rocky planets tended to form closer to the Sun because the materials they're made of -- silicates and heavier gases -- 'fall' inwards towards the Sun.
Explanation:
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Answer:
Rocky planets are smaller than gas planets
Explanation: On the surface is a thin layer of solid rock called the crust. Rocky planets are smaller than gas planets, but are made of heavier materials. They are the closest planets to the Sun, and so are sometimes known as the inner planets
