The inner planets of the solar system are also called terrestrial planets, and include Mercury, Venus, Earth and Mars. They are mostly made up of silicate rock and metals and have solid surfaces. The inner planets orbit the closest to the Sun, and Earth is the only one with known life.
For starters, the inner planets are rocky and terrestrial, composed mostly of silicates and metals, whereas the outer planets are gas giants. The inner planets are also much more closely spaced than their outer Solar System counterparts. In fact, the radius of the entire region is less than the distance between the orbits of Jupiter and Saturn.
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The inner planets of the solar system are also called terrestrial planets, and include Mercury, Venus, Earth and Mars. They are mostly made up of silicate rock and metals and have solid surfaces. The inner planets orbit the closest to the Sun, and Earth is the only one with known life.
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Answer:
For starters, the inner planets are rocky and terrestrial, composed mostly of silicates and metals, whereas the outer planets are gas giants. The inner planets are also much more closely spaced than their outer Solar System counterparts. In fact, the radius of the entire region is less than the distance between the orbits of Jupiter and Saturn.
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