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Jupiter and Saturn are mostly hydrogen and helium, while Uranus and Neptune have rocky cores and an outer mantle containing a hot slush of water, ammonia, and methane.

Most of the hydrogen on Jupiter and Saturn is compressed into liquid and solid forms, deep within their dense atmospheres. This is in spite of the very high temperatures near their tiny rocky cores.

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Related Questions

What planets are made up of mainly gases?

Jupiter Saturn Uranus Neptune


The outer planets Jupiter Saturn Uranus and Neptune are made up of which gases?

hydrogen and helium


Why do gas gaints have that name?

because Jupiter,saturn,uranus,ans Neptune are large and made of gases


What are large spheres made mostly of gases?

Those may be stars, or giant planets (like Jupiter, Saturn, Uranus, Neptune).Those may be stars, or giant planets (like Jupiter, Saturn, Uranus, Neptune).Those may be stars, or giant planets (like Jupiter, Saturn, Uranus, Neptune).Those may be stars, or giant planets (like Jupiter, Saturn, Uranus, Neptune).


What four planets are gas giants?

The 4 gas giants are made of gas:JupiterSaturnUranusNeptuneThese are the outermost major planets of our solar system


What planet's Jupiter Saturn Uranus Neptune and Pluto made of?

Jupiter Saturn Uranus Neptune are all gaseous planets Pluto is unknown if it is terrestial or gaseous


What planets made of gasses?

Jupiter,Saturn,Uranus,Neptune.


What are Jupiter Saturn Uranus and Neptune made up of?

Jupiter, Saturn, Uranus, and Neptune are gas giants primarily made up of hydrogen and helium, with traces of other elements like water, ammonia, and methane. These planets have solid cores, but the majority of their mass is in the form of dense atmospheres of gases.


Are Jupiter Saturn Neptune and Uranus all made of rock?

No, they are made of gas.


Name the planets witch are made from gases?

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What 2 gases are Jovian planets mostly made of?

Jovian planets are mostly made of hydrogen and helium gases. These gases are the most abundant in the outer regions of our solar system where Jupiter, Saturn, Uranus, and Neptune reside.


Is Neptune a rocky or a gaseous planet?

Neptune is a gas giant composed of helium, hydrogen, ice and methane with a molten ammonia core. It does not have a solid surface.