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This is a drawing showing the composition of the interior of Saturn.

What the inside of Saturn is made of

Saturn's composition is primarily that of simple molecules such as hydrogen and helium, but there is also ice of ammonia, ice of methane and water ice.

Under the cloud layers, when the pressure of the interior becomes high enough, the hydrogen of which Saturn is made changes to liquid hydrogen, which gradually changes further to liquid metallic hydrogen.

Compared to Jupiter, Saturn does not have as much metallic hydrogen, but there is more ice. Because the magnetosphere comes from the metallic layer, this means that Saturn has a smaller magnetosphere than does Jupiter.

At the far interior of Saturn is found the core, which is made of rocky and metal elements.

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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