Challenging core belief: Have we misunderstood how Earth's solid center formed?
2/07/2018 02:00:00 PM
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.
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.
Read more at
https://archaeologynewsnetwork.blogspot.com/2018/02/challenging-core-belief-have-we.html#TmbRIGZERjroeGKO.99
