Jupiter, the most massive planet in our solar system -- with dozens of moons and an enormous magnetic field -- forms a kind of miniature solar system. Jupiter does resemble a star in composition, but it did not grow big enough to ignite. The planet's swirling cloud stripes are punctuated by massive storms such as the Great Red Spot, which has raged for hundreds of years.
Featured Mission: Juno
NASA's Juno polar orbiter will study how Jupiter formed and became the dynamic world we see today. Juno will also help us to better understand the formation of our solar system and other planetary systems.
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