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The inner planets' surface materials differ from the outer planets because the inner planets have rocky surfaces and the outer planets have gas surfaces.

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How do inner planets differ?

Inner planets differ from outer planets because they have rocky core (excepting Pluto), and the are much smaller than outer planets, which are bigger and take more time to orbit Sun than inner planets because of their location. Outer planets are farther from the Sun than inner planets.


How do planets farther from the sun differ from that planets that are closer to the sun?

The four outer planets are gas giants - they are much larger than the four inner planets, and they consist mainly of gas - they don't have a surface on which you can stand.


How do inner planets differ from the outer one?

They have rocky surfaces.


What characteristics of all the inner planets share?

Inner planets are also known as Terrestial planets which means they all have a rocky surface.


Are inner planets made of different materials?

yes


What are 3 ways inner planets are alike?

The four inner, rocky planets are also known as the terrestrial planets. These are; Mercury, Venus, Earth and Mars. The inner planets all have a clear solid surface, unlike gaseous planets. The inner planets do not have a ring system. The inner planets are of similar densities.


Which of the outer planets has a surface more similar to the inner planets than to the outer planets?

Neptune has a surface more similar to the inner planets than to the other outer planets. It is primarily composed of rock and ice, similar to the composition of the inner planets, whereas the other outer planets are predominantly gas giants.


Why is the surface temperature of Venus higher than the other surface temperatures of the inner planets?

The surface temperature of Venus is higher than the surface temperatures of the other inner planets because of its thick atmosphere.


What makes the inner planets different from the outer planets?

The inner planets are small and rocky, the outer planets are much larger and have no solid surface, they are called the gas giants.


Why are the inner planets different to the outer planets?

The inner planets are all considered rocky planets in that under atmospheric layers, they have a rocky surface. The outer planets are made of gas and liquid, and are called gas giants. They have no solid surface. Also, all the outer planets have rings while the inner planets do not.


Why are inner planets also called rocky planets?

The inner planets, except earth, are made up of rocks. They have a hard surface. The earth would be one of these except we have water. The outer planets are gas giants and do not have a solid surface.


How do the gas planets differ from the inner planets of the solar system?

The terrestrial planets are composed primarily of silicate rocks or metals. They have a solid surface. The gas giants are composed mostly of hydrogen, helium, and water existing in various physical states.