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Neptune most likely has a molten rock core. The core is surrounded by liquid containing hydrogen, helium and water which slowly thins out to a gaseous atmosphere. There are also traces of ammonia and methane.

Neptune - Wikipedia

en.wikipedia.org/wiki/Neptune

Neptune is the eighth and farthest known planet from the Sun in the Solar System . In the Solar ... Some of the earliest recorded observations ever made through a telescope, Galileo's drawings on...

What is Neptune Made Of? - Space.com

www.space.com/18920-neptune-composition.html

Dec 14, 2012 ... Neptune, like Uranus, is one of the two outer planets known as an "ice giant." Made up of more ices than Jupiter and Saturn, the chilly body ...

What is Neptune Made Of? - Universe Today

www.universetoday.com/21596/what-is-neptune-made-of/

May 21, 2016 ... The composition of Neptune changes depending on which of these layers you're looking at. Let's see what Neptune is made of. The outermost ...

All About Neptune :: NASA Space Place

spaceplace.nasa.gov/all-about-neptune/

It's the last of the planets in our solar system. It's more than 30 times as far from the sun as Earth is. Neptune is very similar to Uranus. It's made of a thick soup of  ...

What is the surface of Neptune made of? | Reference.com

www.reference.com/science/surface-neptune-made-65575f0a1a1ccf05

Unlike other planets, Neptune does not really have a solid surface; it is made up of gases while its interior is made up of a rocky core, which is very hot. Neptune ...

What is Neptune Made of? The Planet Neptune's Composition ...

planetfacts.org/what-is-neptune-made-of/

Neptune, just like the other gas giant planets in our Solar System, can actually be broken up into different layers. In fact, its composition can chan.

What is the planet Neptune made of? | Reference.com

www.reference.com/science/planet-neptune-made-5d5b5f0828dd9b29

As a gas giant, Neptune is primarily made from hydrogen, measured at 80 percent of the atmosphere, with an additional 19 percent composed of helium.

What Substance Is Neptune Made of? | The Classroom | Synonym

classroom.synonym.com/substance-neptune-made-of-22708.html

Positioned as the eighth planet in the solar system, the gas giant Neptune makes one full orbit around the sun in 165 Earth years. Although Neptune is often ...

what is neptune made of? - Fact Monster

www.factmonster.com/dk/encyclopedia/neptune.html

Neptune's atmosphere is made of hydrogen, helium, and methane, flecked with wisps of white clouds. The methane gas makes the planet appear deep blue.