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Rock.
Margaretta Emmerich
Wiki User
∙ 13y agoAll of the inner planets: Mercury, Venus, Earth and Mars are rocky planets, although the last three all contain a gaseous atmosphere to some extent, with Earth and Venus having the densest and Earth only containing an atmosphere capable of sustaining life (as far as we are aware).
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How the inner planets are similar to each other?
The four inner planets are all made of rock or are rock based but the four outer planets are all made of gas or gas based.
Why are inner planets of solar system different from outer planets?
Because the inner planets are made of rock but the outer planets are made of gas(except for Pluto).
Why are the inner planets smaller and made of rock while the outer planets are large and made of gas?
juptier
What are the characteristics of outer and inner planets?
The inner planets are the first 4 planets from the sun, they are made of rock. After the in er planets is an asteroid belt. Behind the belt are the 4 outter planets. They are made of gas and are called "gas giants". These are called outter planets.
Are outer polanets made from rock?
no they are not they are made of gas such as Jupiter , Saturn, Uranus and Neptune are and the inner planets
What are the general characteristics of the 4 outer and 4 inner planets?
The 4 inner planets (Mercury, Venus, Earth, and Mars) are solid planets made of rock. The 4 outer planets are gas giants.
Are all outer planets gas?
yes but all inner planets are rock
How are the inner planets different from the outer planets?
The inner planets Mercury, Venus, Earth and Mars are small, heavy and mostly made of rock. The outer planets Jupiter, Saturn, Uranus and Neptune are huge, light and mostly made of gas.
Is mars made up rock or gas?
inner planets: Mercury, Venus, Earth, and Mars ---> rocky surfaces outer planets: Jupiter, Saturn, Uranus, and Neptune ---> gas planets
What is the main difference between inner planets and outer ones?
Inner planets are mostly rock and outer planets are mostly gas.
Is mars a rocky planet or a gas giant?
a rocky planey, because it ins one of the inner planets, AND it is made out of rock, not gas!
What divides the planets into inner planets and outer planetss?
the 4 inner planets are rock planets and the 4 outter planets are gas planets separated by the asteroid belt
