Inner core of the Earth has an inner core of his own
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The Amazing property of the Earth has an inner core of his own
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A new study revealed that the inner core of the Earth has an inner core of their own, which has amazing properties that can reveal information about the Earth.
The findings of the study entitled Equatorial anisotropy in the inner part of the inner core of the Earth earthquake coda autocorrelation were published in the journal Nature Geoscience on February 9, 2015.
The study was conducted by a research team led by Xiaodong Song of the University of Illinois and his colleagues at Nanjing University in China with new technology application earthquake-reading.
Study Process:
The researchers used seismic waves from earthquakes to explore the planet's surface. The team used a technology that gathers data not the initial shock of an earthquake, but from seismic waves that resonate in the aftermath of the earthquake.
The echo of seismic waves bouncing around the planet after an earthquake to build a picture of the inside of the Earth.
The series of sensors in locations around the world, including Venezuela and southeastern China allowed the scientists to measure the delays in the time it took for these waves to travel through the planet.
The findings:
• The scientists found that seismic waves that passed through the center of the planet showed very different interference which traveled the rest of the kernel.
• Looking through the core revealed a surprise in the center of the Earth. The inner core, once thought to be a solid iron ball, has some complex structural properties.
• The team found a distinct inner-inner core is about half the diameter of the entire inner core.
• The crystals of iron in the outer layer of the inner core are directionally aligned from north to south. However, inside-inner core, iron crystals pointing roughly east-west.
• Not only are iron crystals inside the inner core are aligned differently, also behave differently from their counterparts in the outer-inner core.
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