The Inner and Outer Core
| Inner Core | Outer Core |
| solid | liquid |
| made of solid metals | made of liquid metals |
| temperature as high as 9,000° F (4,982° C) | temperatures range from 4,000 to 9,000° F (2,204 to 4,982° C) |
| depth: about 3,200 to 3,900 miles (5,150 to 6,276 km) | depth: about 1,800 to 3,200 miles (2,897 to 5,150 km) |
In this regard, what is the depth of the outer core?
The outer core of the Earth is a liquid layer about 2,260 km thick composed of iron and nickel which lies above the Earth's solid inner core and below its mantle. Its outer boundary lies approximately 2,890 km (1,800 mi) beneath the Earth's surface.
Subsequently, question is, how thick is the border between the outer and inner core? The border between the outer core and the inner core is about 5,100 km below the surface of the Earth. (The crust is usually between 3 and 70 km thick, being thicker in the continents and thinner in the oceans, so you can figure out the distance between the bottom of the crust and the inner core by subtraction.)
One may also ask, what are 5 facts about the outer core?
The center of the Earth is made up of two layers, the outer core and the inner core. The outer core is the third layer of the Earth. It is the only liquid layer, and is mainly made up of the metals iron and nickel, as well as small amounts of other substances. The outer core is responsible for Earth's magnetic field.
Why the outer core is liquid?
The average magnetic field strength in the Earth's outer core was estimated to be 2.5 millitesla, 50 times stronger than the magnetic field at the surface. The outer core is not under enough pressure to be solid, so it is liquid even though it has a composition similar to the inner core.
How thick is the crust?
The Earth's Crust is like the skin of an apple. It is very thin in comparison to the other three layers. The crust is only about 3-5 miles (8 kilometers) thick under the oceans( oceanic crust ) and about 25 miles (32 kilometers) thick under the continents ( continental crust ).Is the mantle solid or liquid?
The Earth's mantle is a layer of silicate rock between the crust and the outer core. Its mass of 4.01 × 1024 kg is 67% the mass of the Earth. It has a thickness of 2,900 kilometres (1,800 mi) making up about 84% of Earth's volume. It is predominantly solid but in geological time it behaves as a viscous fluid.What is the crust made of?
Above the core is Earth's mantle, which is made up of rock containing silicon, iron, magnesium, aluminum, oxygen and other minerals. The rocky surface layer of Earth, called the crust, is made up of mostly oxygen, silicon, aluminum, iron, calcium, sodium, potassium and magnesium.What is core made of?
The outer core is about 1,400 miles thick, and it's made mostly of a combination (called an alloy) of iron and nickel, along with small amounts of other dense elements like gold, platinum, and uranium. These metals can, of course, be found on the surface of Earth in solid form.What is the diameter of the outer core?
The outer core, about 2,200 kilometers (1,367 miles) thick, is mostly composed of liquid iron and nickel.How thick is the Earth?
The layers of Earth are: Crust - 5 to 70 km thick. Mantle - 2,900 km thick. Outer Core - 2,200 km thick.What percent of Earth is the outer core?
15 percent
Why is the outer core important?
The motion of the liquid outer core as the earth spins creates charged particles, which create earth's magnetic field. That magnetic field is important because it pushes dangerous solar radiation to the earth's poles where it can't hurt us and allows ships, planes, and birds to navigate around the world.What is the outer core made of for kids?
Outer core It is made of iron and nickel. This is above the Earth's solid inner core and below the mantle. Its outer boundary is 2,890 km (1,800 mi) beneath the Earth's surface.What is the mesosphere made of?
Some material from meteors lingers in the mesosphere, causing this layer to have a relatively high concentration of iron and other metal atoms. Very strange, high altitude clouds called "noctilucent clouds" or "polar mesospheric clouds" sometime form in the mesosphere near the poles.What layer is the inner core?
Earth's inner core is the innermost geologic layer of the Earth. It is primarily a solid ball with a radius of about 1,220 kilometres (760 miles), which is about 20% of the Earth's radius or 70% of the Moon's radius.What is inside the Earth?
Inside the Earth The Earth's interior is composed of four layers, three solid and one liquid—not magma but molten metal, nearly as hot as the surface of the sun. The deepest layer is a solid iron ball, about 1,500 miles (2,400 kilometers) in diameter. Above the inner core is the outer core, a shell of liquid iron.How thick is the mantle?
The mantle is the mostly-solid bulk of Earth's interior. The mantle lies between Earth's dense, super-heated core and its thin outer layer, the crust. The mantle is about 2,900 kilometers (1,802 miles) thick, and makes up a whopping 84% of Earth's total volume.When was the outer core discovered?
1913
How thick is Earth's inner core?
about 1250 km
How old is the outer core?
A new study suggests Earth's inner core is only about 565 million years old – relatively young compared to the age of our 4.5-billion-year-old planet. Image via University of Rochester/Michael Osadciw. One enduring mystery about Earth is the age of its inner core – the solid ball that's our planet's innermost part.What is the Earth's only liquid layer called?
Outer Core This layer of the earth lies between the mantle and the solid inner core. It is the only liquid layer, a sea of mostly iron and nickel about 1,400 miles (2,300 km) thick. 
