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Outer core - Wikipedia

en.wikipedia.org/wiki/Outer_core

The outer core of the Earth is a fluid layer about 2,300 km (1,400 mi) thick and composed of mostly iron and nickel that lies above Earth's solid inner core and ...

Outer Core - Planet Earth

gamediv1.weebly.com/outer-core.html

The Outer Core is the second to last layer of the Earth. It is a magma like ... 2200 km thick. It is the second largest layer and made entirely out of liquid magma.

Facts About Earths 's Outer Core | DK Find Out

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

What are some interesting facts about the outer core? | Reference.com

www.reference.com/science/interesting-outer-core-876d8b62e045af74

Both the outer and inner cores are made almost entirely of nickel and iron. The inner core is solid, whereas the outer core is liquid. Unlike the inner core, the ...

What Is Earth's Core Made of? | Wonderopolis

wonderopolis.org/wonder/what-is-earths-core-made-of

Beneath the mantle, you'll find the core. Earth's core is the deepest, hottest layer, and it's made up of two layers itself: the outer core which borders the mantle ...

Outer Core of the Earth: Definition, Composition & Facts - Video ...

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

The inner core is solid and is 90% iron, but the outer core is a liquid...and it's a good thing it is! More on that later. The outer core is made of a mixture of iron and  ...

The Earth's Outer Core - Geology For Kids - By KidsGeo.com

www.kidsgeo.com/geology-for-kids/0023-earths-outer-core.php

It is believed that this outer core is made up of super-heated liquid molten lava. This lava is believed to be mostly iron and nickel. The Earth's Outer Core ...

core - National Geographic Society

nationalgeographic.org/encyclopedia/core/

Aug 17, 2015 ... The core is made of two layers: the outer core, which borders the mantle, and the inner core. The boundary separating these regions is called ...

What is Earth Made Of? - Space.com

www.space.com/17777-what-is-earth-made-of.html

Sep 26, 2012 ... The solid, inner core of iron has a radius of about 760 miles (about 1,220 km). It is surrounded by a liquid, outer core composed of a nickel-iron ...

Earth's Outer Core - Universe Today

www.universetoday.com/26713/earths-outer-core/

Dec 24, 2015 ... The discovery that the core of the Earth contains a solid inner core surrounded by a liquid outer core was made by seismologist Inge Lehmann, ...