How did Earth’s internal core freeze strong?
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A excessive focus of carbon inside Earth’s internal core might clarify a long-standing thriller about how the deepest a part of our planet froze strong – a course of that kick-started the magnetic area defending life on the floor.
Earth’s internal core presents a paradox for geophysicists: it first fashioned as a large liquid ball of principally iron, then started to solidify inside the final billion years. To ensure that that freezing course of to begin in a pure iron object, it will have needed to cool by at the least 700 kelvin in…
