Both Jupiter and Saturn contain liquid metallic hydrogen.

Question

Quizplus · Accepted Answer

Both Jupiter and Saturn are gas giant planets composed mostly of hydrogen and helium. Due to the intense gravitational pressure at the planets' cores, the hydrogen is believed to be in a metallic state, meaning that it behaves like a metal rather than a gas. This is thought to create a layer of electrically conductive, liquid metallic hydrogen that surrounds the planets' rocky cores.

Both Jupiter and Saturn Contain Liquid Metallic Hydrogen