Jupiter is up to 9% Rock and Metal, Which Means it Ate a lot of Planets in its Youth - Universe Today

NASA's Juno mission to Jupiter is revealing the gas giant's secrets. A new study shows that Jupiter grew by eating planetesimals.

Jupiter is composed almost entirely of hydrogen and helium. The amounts of each closely conform to the theoretical quantities in the primordial solar nebula. But it also contains other heavier elemen… [+6354 chars]

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