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Inner core - Wikipedia
The Earth's inner core is the Earth's innermost part. It is primarily a solid ball with a radius of about 1,220 kilometres (760 miles), which is about 70% of the ... More »

www.softschools.com/facts/geology/inner_core_facts/2207

Earth's innermost section is called its inner core, and is believed to be just as hot as the sun's surface. It was once believed that the earth's inner core was liquid, ...

gamediv1.weebly.com/inner-core.html

To learn about what metal the Inner Core is made of, read this section about ... Inner Core is, how thick it is and some interesting facts about the Inner Core. ... The Inner Core is about 1250 km thick and is the second smallest layer of the Earth.

sciencing.com/5-earths-inner-core-13761.html

The Earth's inner core is surprisingly large, measuring 2,440 km (1,516 miles) across. It makes up 19 percent of the Earth's total volume, which makes it just 30  ...

www.nationalgeographic.org/encyclopedia/core

Aug 17, 2015 ... Lehman was the first to identify Earth's solid inner core, and became a .... All information about the core has come from sophisticated reading of ...

www.kidsgeo.com/geology-for-kids/0024-earths-inner-core.php

Finally, we would reach the Earth's inner core. The inner core extends another 900 miles (1448km) toward the center of the Earth. It is believed that this inner ...

www.dkfindout.com/us/earth/structure-earth/inner-core

Find out more about the Earth's inner core. Get information about the inner core layer and discover interesting facts for kids with DK Find Out.

discovermagazine.com/2013/jan-feb/20-things-you-didnt-know-about-inner-earth

Dec 11, 2012 ... Earthquake waves that pass through the inner core travel faster north-south than ... The currents inside should mimic flows in the outer core. ... i think that the studies find more information about that, we will get the way to travel ...

www.nationalgeographic.com/science/earth/surface-of-the-earth/earths-interior

Above the inner core is the outer core, a shell of liquid iron. This layer is cooler but still very hot, perhaps 7,200 to 9,000 degrees Fahrenheit (4,000 to 5,000 ...

study.com/academy/lesson/inner-core-of-the-earth-definition-composition-facts.html

Aug 24, 2015 ... The inner core is located at the center of the Earth and is composed of nickel and iron. Most of what we know about the inner core is through...