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You are here: Home / Space / What Is the Planet Neptune’s Interior Made of and What Is the Composition of Neptune’s Atmosphere?

What Is the Planet Neptune’s Interior Made of and What Is the Composition of Neptune’s Atmosphere?

July 22, 2020 by Karen Hill

Neptune’s internal structure is very similar to that of the planet Uranus.

Neptune and Uranus are often considered a sub-class of gas giant termed “ice giants”, due to their smaller size and higher concentrations of volatiles relative to the gas giants Jupiter and Saturn.

The planet Neptune has a partly rocky, but mostly icy, core which may not be completely distinct from its mantle, or middle layer.

The core of Neptune is composed of iron, nickel and silicates.

The mantle seems to be made of water, ammonia, and methane in ice form.

It is surrounded by gaseous forms of hydrogen, helium, and methane in the atmosphere.

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Filed Under: Space

About Karen Hill

Karen Hill is a freelance writer, editor, and columnist. Born in New York, her work has appeared in the Examiner, Yahoo News, Buzzfeed, among others.

Previous Post: « Which Is the Windiest Planet In Our Solar System and How Strong Are the Winds On the Planet Neptune?
Next Post: Who Discovered the Great Dark Spot On the Planet Neptune and How Big Is the Great Dark Spot On Neptune? »

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