Science
Why does Mercury have such a big iron core? Magnetism! – EurekAlert
A new study disputes the prevailing hypothesis on why Mercury has a big core relative to its mantle. For decades, scientists…

A new study disputes the prevailing hypothesis on why Mercury has a big core relative to its mantle (the layer between a planet’s core and crust). For decades, scientists argued that hit-and-run collisions with other bodies during the formation of our solar…
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