Dear MEL Topic Readers,
Earth’s inner core may have stopped turning and could go into reverse, study suggests
The Earth is made up of three different layers, the crust, the mantle, and the core.
The crust is the outside layer of the earth and is made of solid rock. There are two types of crust; oceanic and continental. The oceanic crust is denser and thinner and mainly composed of basalt, a type of black rock that comes from a volcano. The continental crust is less dense, thicker, and mainly composed of granite, a very hard, grey, pink, or black rock.
The mantle lies below the crust and is nearly 3,000 km thick. It consists of hot, dense, iron and magnesium-rich solid rock. The crust and the upper part of the mantle make up the lithosphere, which is broken into tectonic plates, both large and small.
The core is the center of the earth and is made up of two parts: the liquid outer core and the solid inner core. The outer core is a solid ball with a radius of about 1,200 km, which is about 20% of Earth's radius or 70% of the Moon's radius. It is made of nickel, iron, and molten rock, and temperatures there can reach up to 50,000 C. The solid inner core is situated about 5,000 km below the Earth's crust and is separated from the liquid outer core, which allows the inner core to rotate at a different speed from the rotation of the Earth itself.
Now you are ready to read the article about the movement of Earth’s inner core.
Enjoy reading the article and learning about the structure of our planet.
https://edition.cnn.com/2023/01/25/world/earth-core-turning-scli-scn-intl/index.html
Earth’s inner core may have stopped turning and could go into reverse, study suggests
The Earth is made up of three different layers, the crust, the mantle, and the core.
The crust is the outside layer of the earth and is made of solid rock. There are two types of crust; oceanic and continental. The oceanic crust is denser and thinner and mainly composed of basalt, a type of black rock that comes from a volcano. The continental crust is less dense, thicker, and mainly composed of granite, a very hard, grey, pink, or black rock.
The mantle lies below the crust and is nearly 3,000 km thick. It consists of hot, dense, iron and magnesium-rich solid rock. The crust and the upper part of the mantle make up the lithosphere, which is broken into tectonic plates, both large and small.
The core is the center of the earth and is made up of two parts: the liquid outer core and the solid inner core. The outer core is a solid ball with a radius of about 1,200 km, which is about 20% of Earth's radius or 70% of the Moon's radius. It is made of nickel, iron, and molten rock, and temperatures there can reach up to 50,000 C. The solid inner core is situated about 5,000 km below the Earth's crust and is separated from the liquid outer core, which allows the inner core to rotate at a different speed from the rotation of the Earth itself.
Now you are ready to read the article about the movement of Earth’s inner core.
Enjoy reading the article and learning about the structure of our planet.
https://edition.cnn.com/2023/01/25/world/earth-core-turning-scli-scn-intl/index.html
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