A massive collision may have made Jupiter's core so weird

August 22, 2019

A giant impact 4.5 billion years ago could be the reason Jupiter’s core is stranger than astronomers expected. Astronomers thought that Jupiter began as a rocky and icy planetary embryo that later formed its massive gaseous envelope, drawing in hydrogen and helium from the solar nebula by virtue of its huge gravity. This would mean there was a relatively clear delineation between the solid core and the gas surrounding it.

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