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Mission Juno will help prove or disprove theories about the types and amounts of materials that contribute to the composition of Jupiter.

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By peering beneath its clouds and discovering what Jupiter is truly like,

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Juno will also test our ideas about the formation of planets, as well as other major secrets of our solar system.

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Measuring the amount of water in Jupiter will help us understand how and where in our solar system the giant planet formed.

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Mapping the gravity and magnetic fields of Jupiter teaches us about the planet's hidden interior and whether it has a solid core.

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In our quest to unlock the history of the planets, Jupiter is the gateway and Juno holds the key.