The overall interior structure of the Jovian planets is expected to be:
A) three-layered: a rocky core covered by liquid metallic hydrogen and a thin gaseous hydrogen/helium atmosphere.
B) four-layered: a rocky core, a semifluid ice layer, a liquid mantle of hydrogen, and a gaseous hydrogen and helium atmosphere.
C) two-layered: a large, solid, rocky core surrounded by an extensive gaseous atmosphere.
D) four-layered: a solid inner core, a liquid iron outer core, a semifluid rocky mantle, and a solid crust.

Question

Quizplus · Accepted Answer

The Jovian planets (Jupiter, Saturn, Uranus, and Neptune) are primarily made up of hydrogen and helium, but are believed to have a layered interior structure. The most commonly accepted model is a four-layered structure consisting of a rocky core, a semifluid layer comprised of different types of ice (water, methane, and ammonia), a liquid mantle of hydrogen, and a gaseous outer atmosphere of hydrogen and helium. This model is supported by observations and theoretical models of the planets' densities, magnetic fields, and other properties.

The Overall Interior Structure of the Jovian Planets Is Expected