All four Jovian planets have multiple moons; sport ring systems, have no solid surface, and are immense.
The largest, Jovian, is also the largest planet in the solar system, Jupiter. Nearby is Saturn, the solar system's second largest planet.
Its signature rings are wide enough to fit between Earth and the moon but are barely a kilometer thick.
Past Saturn are the ice giants Uranus and Neptune.
The slightly bigger of these ice giants, uranus is famous for rotating on its side.
