Users' questions

What is a interesting fact about the inner core?

What is a interesting fact about the inner core?

The inner core is a hot, dense ball of (mostly) iron. It has a radius of about 1,220 kilometers (758 miles). Temperature in the inner core is about 5,200° Celsius (9,392° Fahrenheit). The pressure is nearly 3.6 million atmosphere (atm).

How old is the Earth’s outer core?

The 1 billion to 1.3 billion year result suggests that Earth’s core is “actually relatively young,” Lin said. This estimate isn’t as young as some estimates, such as one published in 2016 in the journal Nature that used similar methods but found the core was a mere 700 million years old.

What 2 elements are found in the outer core?

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 are 3 facts about the outer 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. As Earth spins on its axis, the iron inside the liquid outer core moves around.

What are some interesting facts about Earth’s inner core?

How Many Layers Does the Earth Have The Earth has 4 layers Crust – We live on this part Mantle – Mostly solid rock but parts are hotter and more fluid Outer Core – Made up of liquid metal and rock Inner Core – Solid Rock made up of iron and nickel Its radius is around 6371 km or 1,800 miles

How does the outer core help the Earth?

The liquid outer core is thought to create Earth’s magnetic field through convection currents and the Coriolis effect. The magnetic field is 50 times stronger in the outer core than on the surface of the Earth.

What about Earth’s inner core is true?

Scientists believe that the Earth’s inner core is a solid and is mainly composed of iron. The scorching hot iron inner core is able to remain solid because of the extremely high pressures at the center of the Earth.

What are the characteristics of Earth’s inner core?

– Seismic wave velocity. The velocity of the S-waves in the core varies smoothly from about 3.7 km/s at the center to about 3.5 km/s at the surface. – Size and shape. – Pressure and gravity. – Density and mass. – Temperature. – Magnetic field. – Viscosity.