A team of scientists from the Australian National University has discovered a doughnut-shaped region thousands of kilometers below the Earth’s surface. The discovery provides new insights into the dynamics of our planet’s magnetic field. The study was published in the scientific journal magazine Science Advances (SciAdv).
The Earth’s core has two layers: a solid inner layer and a liquid outer layer. The newly discovered ring is located on top of the liquid layer, where the core meets the mantle.
The ring region is located parallel to the equatorial plane in low latitudes. According to researchers, its thickness reaches several hundred kilometers.
Scientists found that the discovery reveals some secrets about the dynamics of the Earth’s magnetic field.
The outer core consists mainly of liquid iron and nickel, and the intense motion of the electrically conductive liquid creates Earth’s magnetic field, which helps support all life while protecting the planet from destructive solar winds and harmful cosmic radiation.
Scientists believe that knowing the composition of Earth’s outer core, including the light chemical elements, is fundamental to understanding the magnetic field and potentially predicting when it will disappear or weaken.
Experts noted that the donut appears to have a high concentration of light elements that help stir the liquid core and maintain the magnetic field.
Earlier scientists I learnedIt is stated that there is a high probability that a diamond layer 15 kilometers thick is hidden deep under Mercury.
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Source: Gazeta
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