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The sun and the planet Jupiter are made of almost exactly the same stuff.

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Jupiter's like a piece of the sun.

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So why aren't they more alike?

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[Music]

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The sun and Jupiter have a lot in common.

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The sun is made almost entirely of hydrogen and helium.

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There's a sprinkling of the other elements, but mostly hydrogen and helium.

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But Jupiter is made of almost exactly the same stuff as the sun.

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And yet, Jupiter has a higher concentration of these heavier elements in it.

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These elements are heavier. They're
more massive than hydrogen or helium. You

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So you might have expected them to fall into the center of the solar system.

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But no! They are stuck way out here at Jupiter.

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These elements are significant because these are the elements

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that make up the Earth, and you, and me. Do you know why they're out here in Jupiter?