"The solidification of iron at the inner core boundary does not change the mobility of these light elements, and the convection of light elements is continuous in the inner core," "It is quite abnormal," study first author Yu He, a geophysicist at the Chinese Academy of Sciences, said in a statement. In a regular solid, atoms arrange themselves into repeating grids, but the core simulations suggest instead that in Earth's core, atoms would be transformed into a superionic alloy - a framework of iron atoms around which the other elements, driven by powerful convection currents, are able to freely swim.
Accessing the core by probe is impossible, so for the new study, the researchers turned instead to a simulation - compiling seismic data and feeding it into an advanced computer program designed to recreate the effects of the core's extreme pressures and temperatures on an assortment of likely core elements: such as iron, hydrogen, oxygen and carbon. Landsat satellites: 12 amazing images of Earth from spaceīut scientists weren’t sure what this mush consisted of.
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