The fifth planet from the sun ... Jupiter is a chaotic and stormy place. The gas giant planet's spots and swirls come from massive storms that whip up prevailing winds as fast as 335 miles ...

"Certain models even suggest that a fifth gas giant was ejected from the solar system, now a 'rogue planet', doomed to forever wander the empty void between the stars." But today, there is one ...

giant planets, and Saturn itself. As noted on the National Academies website, the timing of the fifth New Frontiers mission announcement of opportunity is delayed to no earlier than 2026 ...