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Mercury has a surface pressure that is near enough zero (or a vacuum), the planet holds no real atmosphere due to its small size. There are some trace gases at the surface, but not what one would call a proper atmosphere.

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12y ago

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Could you list the planets in order from the thickest to thinest atmospheres?

The terrestrial planets in order from the thickest to thinnest atmospheres Venus, Earth, Mars, and Mercury. Since the gas giants are almost entirely made of gas, it is difficult to determine where the atmospheres end.


Do inner planets have atmospheres?

Yes, inner planets like Mercury, Venus, Earth, and Mars have atmospheres, although the composition and density of these atmospheres vary. For example, Venus has a thick and toxic atmosphere mainly composed of carbon dioxide, while Mars has a thin atmosphere primarily made up of carbon dioxide with traces of other gases. Earth has a diverse atmosphere with the right conditions to support life.


Do the terrestrial planets have atmosphere?

Yes. all the terrestrial planets have atmospheres. however, in the same area that there are 10 Billion Billion Atoms in earth's atmosphere, (about 1 cubic in) there are about 10 million atoms in mercury's. maercury has almost no atmosphere, and we don't even know what it is, but both mars and Venus's atmospheres are 95 % CO2, but venus's atmosphere is thick, even thicker than earth's, but mars's is thinner than earths. all the terrestrial planets have some kind of atmosphere.


What planet is made out of solid rock?

Mercury, Venus, Earth and Mars.


Why are Mercury Venus and earth are terrestrial planets?

there all made of rock


Which planets have atmospheres?

All planets in our solar system have atmospheres, but their compositions and characteristics vary. For example, Venus has a thick and toxic atmosphere primarily composed of carbon dioxide, while Mars has a thin atmosphere mainly made up of carbon dioxide. Earth's atmosphere is mostly nitrogen and oxygen. Gas giants like Jupiter and Saturn have thick atmospheres composed mostly of hydrogen and helium.


What is one way that Mercury and Venus differ?

One way that Mercury and Venus differ is in their atmospheres. Venus has a thick atmosphere primarily composed of carbon dioxide and clouds of sulfuric acid, which creates a strong greenhouse effect. In contrast, Mercury has a very thin atmosphere mostly made up of oxygen, sodium, and other trace elements.


Which planets terrestrial planet?

The first 4, Mercury, Venus, Earth, and mars are the ones.


Why are mercury venus earth and mars the terrestrials planets?

there all made of rock


What are Venus' clouds made of that makes the suns light reflect?

The atmosphere is mainly composed of Carbon Dioxide and Nitrogen but Venus' atmosphere is equivalent to that of 93 Earth Atmospheres.


What planets is made of rocks?

The planets Mercury, Venus, Earth, and Mars are made of rock.


Two Planets with centers made of rocks?

Earth, Mercury, Venus, Mars, Pluto.