Earth's core is as hot as the sun, scientists say

04/26/2013 | Our Amazing Planet

A team of European scientists has determined the boundary between the Earth's inner and outer core is 10,800 degrees Fahrenheit -- as hot as the sun's surface. The temperature is important because it partly explains how the Earth's magnetic field is generated. The planet's spin combined with at least a 2,700-degree difference to generate "thermal movements" is needed to create the field.

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