what are the differences between the inner and the outer core of earth?
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Both cores of Earth are largely metallic and mainly Iron. The primary difference is that the inner core is solid due to immense pressure, while the outer core remains molten and is churned and stirred by the independently rotating inner core.
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Broadly speaking, the Earth has four layers: the solid crust on the outside, the mantle and the core — split between the outer core and the inner core.
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The layers of different chemical composition outward from the centre of the Earth are as follows: core, mantle, and crust. At the centre is the densest of the three layers, the core. It is mostly metallic iron with small amounts of nickel and other elements. The outer boundary of core is at a depth of 2,900 kilometres.
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The internal structure of Earth is layered in spherical shells: an outer silicate solid crust, a highly viscous asthenosphere and mantle, a liquid outer core that is much less viscous than the mantle, and a solid inner core.
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The primary difference is that the inner core is solid due to immense pressure, while the outer core remains molten and is churned and stirred by the independently rotating inner core. This relationship gives rise to the “Geodynamo,” the source of Earth's powerful magnetic field.
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See the picture below to see the four main layers of the earth: the crust, mantle, outer core, and inner core. The crust is the thin outer later of the Earth where we live.
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Out of them, the mantle is the thickest layer, while the crust is the thinnest layer. The Earth can be divided into four main layers: the solid crust on the outside, the mantle, the outer core and the inner core. Out of them, the mantle is the thickest layer, while the crust is the thinnest layer.
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Each of these layers can be further divided into two parts: the inner and outer core, the upper and lower mantle and the continental and oceanic crust. Both the inner and outer core are made up of mostly iron and a little bit of nickel. The inner core is solid, while the outer core is liquid.
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Inner planets have fewer moons, small, silicate surface, nickel-iron core, higher density and rotate more slowly compared to outer planets. Outer planets have a greater number of moons, no solid part; rotate faster, have a lower density as well as rings in some cases (Jupiter and Saturn).
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1 Answer. The crust and the inner core are solid, whereas the outer core and inner mantle are liquid. The outer mantle is semi solid.
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⭕️The innermost part or layer of the earth is known as the inner core of the earth. The layer that surrounds the inner core is known as the outer core of the earth. The outer core of the earth is located 2,890 kilometers (1,400 miles) beneath the surface of the Earth. ...
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Earth Structure. The structure of the earth is divided into four major components: the crust, the mantle, the outer core, and the inner core. Each layer has a unique chemical composition, physical state, and can impact life on Earth's surface.
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Earth's interior layers are ordered by density. The densest layer is the solid metal inner core, the mantle is of intermediate density, and the least dense layer is the lithosphere, particularly the continental lithosphere.
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The inner planets are closer to the Sun and are smaller and rockier. The outer planets are further away, larger and made up mostly of gas.
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1. Earth is also divided into layers based on physical properties, such as whether the layer is solid or liquid. 2. The five physical layers are the lithosphere, asthenosphere, mesosphere, outer core, and inner core.
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From outermost to innermost the layers are the crust, mantle and the core. Each layer varies greatly in size, composition, temperature and pressure.
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Each layer has its own properties, composition, and characteristics that affects many of the key processes of our planet. They are, in order from the exterior to the interior – the crust, the mantle, the outer core, and the inner core.