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This is a drawing of the interior of Neptune.
Click on image for full size
NASA

The Structure of Neptune's Interior

There is no surface to the giant planets. There is only a gradual change from the atmosphere, as shown in this drawing. Therefore the giant planets do not have layers, as the earth-like planets do.

Ice begins forming in the atmosphere of Neptune and keeps increasing until there is slush, and then solid ice.

There is not much difference between the atmosphere and the ocean, unlike the earth, where there is a surface.


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The Generation of Neptune's Magnetosphere

Magnetospheres are generated with 1.) magnetic materials and 2.) with movement of the magnetic material. The Earth-like planets generate magnetospheres within the iron cores at their centers. However,...more

The Source of Heat from Within Neptune

The picture shows places on Jupiter which are hot. Jupiter is a very warm place, as shown in the picture, sort of like a warm log in the fireplace which gives off heat. Like Jupiter, Neptune also gives...more

Motions in Neptune's Interior, part 2

Motions in the interior of a gas-giant planet such as Neptune may be very different from the motions within the Earth. A second idea for the motions in the interior of a gas-giant planet is shown in this...more

Motions in Neptune's Interior

Motions in the interior of a planet help to move heat from the inside to the outside. The drawing shows a kind of movement that is usual in the atmosphere as well as the inside of a planet. Material moves...more

Neptune's Present Great Dark Spot

This image shows the new Great Dark Spot of Neptune, which was discovered using the Hubble Space Telescope. The image shown here, shows a large "hole" in the clouds of Neptune in pink, in the northern...more

A Look at the History of Neptune's Atmosphere

The giant planets have definitely changed since their formation. But how much remains to be seen. Most of the original air of the giant planets remains in place. (The earth-like planets lost most of their...more

Neptune's Cirrus Clouds

This image shows some clouds known as "cirrus" clouds, extending for many kilometers across the face of Neptune. These clouds are very high up, for they can be seen to cast shadows on the lower clouds,...more

Neptune's Smog Hazes

This image of Neptune uses false colors to show where the smog is. The smog of Neptune can be seen in red along the edge of the image. This smog haze is found very high up in the atmosphere, over the clouds...more

Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF