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Scientists have identified the “missing element” the Earth’s core

Ученые определили «потерянный элемент» ядра ЗемлиThe work allowed the researchers to determine the chemical nature of the remaining five percent.

Japanese geophysicists have determined the nature of the lost element of the Earth’s core — the third after iron and Nickel of the main component of the bowels of the planet. About his discovery, the scientists said at the American geophysical Union held in December 2016 in San Francisco.

“We believe that silicon is one of the key elements, about five percent of [the inner core of the Earth] by weight may consist of silicon, which is soluble in Nickel-iron alloys,” said lead author of the research Eiji Otani of Tokyo University.

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To such conclusions scientists have come, having modeled in the laboratory conditions of the Earth. Them at high pressures and temperatures is the hard core radius of 1.2 thousand kilometers, which earlier was known, it consists 85 percent iron and 10 percent Nickel.

The work allowed the researchers to determine the chemical nature of the remaining five percent. Criticism of scientists say that there is an alternative hypothesis, according to which the Earth’s core besides iron and Nickel, there is not silicon, and oxygen.

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