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There would be two different structures in the iron core located approximately five thousand kilometers to the center of the Earth with differently oriented crystals, at least according to a joint study by Chinese and American researchers carried out by analysing the echo of earthquakes in the depths of the Earth and analysing the changes while passing through several layers. The hypothesis is that the core of the planet is roughly the size of the moon with two concentric structures whose inner part with crystals oriented in East-West direction (looking downwards on figured manner from the North Pole); instead in the outer the crystals are oriented from North to South. These assumptions about various structures suggest that there may have been some dramatic changes during the formation of our planet in the solidification process that started about one billion years ago.

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Telephone: +39 338 1809310 Date: 11/02/2015 article n°: 2756 _____________________________________________________________________________________________________