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Mercury (22%), Jupiter (90%), Saturn (96%), Uranus (83%), and Neptune (80%) have mostly hydrogen gas in their atmospheres.

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What are the giant planets mostly made of?

The giant planets in our solar system, such as Jupiter and Saturn, are mostly made of hydrogen and helium, with smaller amounts of other elements like methane, ammonia, and water. These planets have thick atmospheres and lack a solid surface.


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 solar system bodies have atmospheres containing carbon dioxide?

Venus, Earth, Mars, and Triton (Neptune's largest moon) have carbon dioxide in their atmospheres.


Why is planet earth the only planet with air?

It depends on how you define air. Other planets in the solar system have atmospheres, but they have different compositions from Earth's atmosphere, which may or may not be called air. The gas planets have atmospheres made mostly of hydrogen and helium while Venus and Mars have atmospheres made mostly of carbon dioxide. The air we are familiar with is mostly nitrogen and oxygen. When Earth was young it likely had a carbon dioxide atmosphere as well, but through photosynthesis algae took carbon dioxide out of the atmosphere are replaced it with oxygen. More carbon dioxide was removed in bodies of water and deposited as carbonate rocks. The nitrogen, already present in the atmosphere, remained.


Do other planets not including earth have atmospheres?

Yes, other planets in our solar system have atmospheres. For example, Venus has a thick, toxic atmosphere primarily composed of carbon dioxide, while Mars has a much thinner atmosphere composed mostly of carbon dioxide. Gas giants like Jupiter and Saturn also have thick atmospheres made up of hydrogen and helium.


What are all the four ''Gas Giants''?

The four Gas Giants in our solar system are Jupiter, Saturn, Uranus, and Neptune. These planets are composed mostly of hydrogen and helium, with thick atmospheres and no solid surface.


Which bodies in the solar system have no atmospheres?

Our Moon, the planet Mercury, and most of the asteroids and dwarf planets are too small to have an atmosphere.


Which plants has the most thines atmospheres?

The planets with the most tenuous atmospheres in our solar system are Mercury and Mars. Mercury has a very thin exosphere primarily composed of oxygen, sodium, hydrogen, and helium, while Mars has a thin atmosphere mostly made up of carbon dioxide, with traces of nitrogen and argon. Both planets lack substantial atmospheric pressure compared to Earth, making their atmospheres extremely tenuous.


The large planets in the solar system are composed primarily of what?

The large planets in our solar system are composed mainly of gases, as is the Sun. They have dense, gaseous atmospheres around a smaller core. Uranus and Neptune have a higher percentage of methane, ammonia and water than Saturn and Jupiter, which are mostly hydrogen and helium.


Which moons in the solar system have atmospheres?

Ganymede of Jupiter has atmospheres.


What are the similarities of Jupiter Saturn and uranus?

Jupiter, Saturn, and Uranus are all gas giants in the outer solar system. They have thick atmospheres composed mostly of hydrogen and helium, and they have rings around them, although Saturn's are the most prominent. Additionally, they all have numerous moons, with Jupiter having the most, followed by Saturn and then Uranus.


Which solar system bodies have atmospheres contain carbon dioxide?

*This may be suspect to change Triton (Neptune's largest moon), Venus, Earth, and Mars.