The research team-composed of postdoctoral student Ludovic Huguet Earth, Environmental, and Planetary Sciences Professors James Van Orman and Steven Hauck II and Materials Science and Engineering Professor Matthew Willard-refer to this enigma as the “inner-core nucleation paradox.” One problem: That’s not possible-or, at least, has never been easily explained-according to a new paper published in Earth and Planetary Science Letters from a team of scientists at Case Western Reserve University. It is widely accepted that the Earth’s inner core formed about a billion years ago when a solid, super-hot iron nugget spontaneously began to crystallize inside a 4,200-mile-wide ball of liquid metal at the planet’s center. Case Western Reserve planetary scientists challenge long-held understanding of how solid center could have been created
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