Bruce Murray Space Image LibraryInterior and ring structures of Neptune, Uranus, Saturn, and Jupiter compared Interior and ring structures of Neptune, Uranus, Saturn, and Jupiter compared The 4 largest planets are all covered with a gaseous envelope of hydrogen and helium mixed with icy materials that make colorful clouds. All 4 are encircled by rings. Under the surface, they are very different. Here, the interior structures of the 4 worlds are shown to scale with each other. The table describes the planets’ physical properties as compared to Earth. Emily Lakdawalla and Loren A. Roberts for The Planetary SocietyThis graphic was produced for the March 2019 issue of The Planetary Report. Here is a version in SVG format.