2024-07-11 00:32:00
Scientists discover that the Earth’s heart is slowing down. Photo: BBC
Researchers have warned about what is happening in the core of the Earth and what it could mean for the planet. We tell you.
Scientists are the University of Southern California (USC) he discovered that the heart is inside of the Tierra slowing down compared to the planet’s surface, according to a recent study published in the journal Nature.
The inner core is a solid sphere of iron and nickel, the size of the Luna, located more than 4,800 km below the surface. Because it cannot be reached directly, scientists use seismic waves from earthquakes to study its movement.
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For the last twenty years, there has been a debate about the internal core movement. Some research suggests that it spins faster than the surface Tierra. However, the new USC study shows that the inner core began to slow down around 2010, moving more slowly than the surface.
What are the consequences of this phenomenon on Earth?
The study reveals that the heart The inner core experienced a gradual over-rotation from 2003 to 2008, followed by a slower rotation from 2008 to 2023. This back-and-forth pattern reflects a complex interaction between the inner core, the liquid outer core, and the mantle .
(Photo: The Universe)
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The slowdown inner heart It is caused by the agitation of the liquid outer core, which generates the Earth’s magnetic field, and the gravitational forces of the rocky mantle on the core.
The consequences of this change in core motion within the Earth’s surface are uncertain. The investigator John Vidale he stated that the slowing down of the inner heart may vary throughout the day by fractions of a second.
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