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Science, Evolution, and Creationism, by the National Academies, focuses on teaching evolution in today's classrooms. Check out the other publications in our online store.
This is a schematic of the interior of Saturn.
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An Overview of Saturn's Interior

The Giant planets do not have the same layered structure that the terrestrial planets do. Their evolution was quite different than that of the terrestrial planets, and they have less solid material inside.

Saturn's interior composition is primarily that of simple molecules such as hydrogen and helium, which are liquids under the high pressure environments found in the interiors of the outer planets, and not solids.

Motions in the interior of Saturn contribute in a very special way to the development of the powerful and extensive magnetosphere of Saturn. Heat generated within Saturn contributes to the unusual motions of the atmosphere.


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Cool It! Game

Check out our online store - minerals, fossils, books, activities, jewelry, and household items!...more

The Structure of Saturn's Interior

There is no surface to the giant planets, only a gradual transition from the atmosphere, as depicted in this drawing. The hydrogen and helium of which Saturn is mostly composed change to liquid form under...more

An Overview of Saturn's Magnetosphere

Saturn's magnetosphere is not as big as Jupiter's, but is very large nonetheless. It extends well beyond the orbits of Saturn's moons. It is probably generated in the same manner as is Jupiter's, which...more

The Liquid Hydrogen Layer

The first liquid layer inside Saturn, immediately under the atmosphere, is the liquid hydrogen layer. The hydrogen atmosphere becomes thicker and thicker, a fog with more and more liquid hydrogen droplets,...more

Discover Saturn

Like the inner planets and Jupiter, Saturn is clearly visible in the night sky. The ancient Greeks named the planet after the god of agriculture and time. It wasn't until 1655, however, that we knew Saturn...more

An Overview of Saturn's Atmosphere

The dramatic appearance of Saturn stems mainly from the spectacular rings. What is visible of the atmosphere is much less dramatic. The clouds of Saturn are much less colorful than those of Jupiter. This...more

An Overview of Saturn's Interior

The Giant planets do not have the same layered structure that the terrestrial planets do. Their evolution was quite different than that of the terrestrial planets, and they have less solid material inside....more

Saturn's Rings

Many people are fascinated by Saturn's rings. Although Saturn isn't the only planet with rings, it is the only planet famous for them. Almost every image or drawing of the planet has the rings included....more

Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part is sponsored in part through grants from federal agencies (NASA and NOAA), and partnerships with affiliated organizations, including the American Geophysical Union, the Howard Hughes Medical Institute, the Earth System Information Partnership, the American Meteorological Society, the National Center for Science Education, and TERC. The American Geophysical Union and the American Geosciences Institute are Windows to the Universe Founding Partners. NESTA welcomes new Institutional Affiliates in support of our ongoing programs, as well as collaborations on new projects. Contact NESTA for more information. NASA ESIP NCSE HHMI AGU AGI AMS NOAA