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none. Mars Earth and Venus have relatively thick atmospheres. it was long assumed that Mercury did not have an atmosphere but a very thin atmosphere around the planet. Mercury's atmosphere is composed of: 42%O2 29%Na

22%H2

06%He 00.5%K

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What do the outer planets have that the inner planets do not have?

outer planets are gas giants whille inner planets are just rocky planets. that includes that outer planets have significant amount of mass than the inner planets


What are 4 characteristics that all of the inner planets share?

The inner planets, also known as the terrestrial planets, share several key characteristics. They are primarily composed of rock and metal, giving them solid surfaces. Additionally, they have relatively high densities and smaller sizes compared to the outer planets. Inner planets also have fewer moons and no ring systems, and they exhibit significant geological activity, such as volcanism and tectonics.


How do the inner and outer planets atmosphere different?

the outer planets are gaseous and the inner planets are not


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.


What are the main differences between the inner planets?

The main differences between the inner planets (Mercury, Venus, Earth, and Mars) are their size, composition, atmosphere, and proximity to the Sun. Mercury is the smallest and closest to the Sun, Venus has a thick toxic atmosphere, Earth is the only planet known to support life, and Mars has evidence of flowing water in the past.

Related Questions

Which inner planet does not have evidence of volcanic activity?

Thats easy mercury!


Why are the inner planets losing heat?

The inner planets are losing heat mainly due to radioactive decay of elements in their cores, as well as heat leftover from their formation process. This heat loss contributes to volcanic activity, tectonic movements, and the overall geologic processes on these planets.


What is the evidence that inner planets have experienced melting?

I have a study guide that gave this answer: All inner planets exhibit an iron-nickel core surrounded by silicate rocks.


None of the inner planets have what?

none of the inner planets


List inner planets and why they are inner planets?

The inner planets are Mercury, Venus, Earth, and Mars. They are "inner" because the are the first 4 planets from the Sun.


Who has higher density inner planets or outer planets?

Inner planets


What is the next thing after the inner planets?

After the inner planets you get the outer planets.


What are the inner planets sometimes call?

the inner planets are sometimes called Terrestrial Planets


Is a Jovian planets is call Inner?

Inner planets are terrestrial planets outer are jovian planets


Do the inner planets or the outer planets get more of the sun's energy?

the inner planets


How do you use inner planets in a sentence?

I hesitate to admit that I was raised on one of the inner planets. The inner planets are not gaseous, like the outer planets.


What do the outer planets have that the inner planets do not have?

outer planets are gas giants whille inner planets are just rocky planets. that includes that outer planets have significant amount of mass than the inner planets