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 ...
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.
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 ...
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
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, ...
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 ...
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 has four different layers: the inner core, the outer core, the mantle, and the
crust. ... made of solid metals, made of liquid metals. temperature as high as ...
You can think of the Earth as being made up of a number of layers, sort of like an
... The Earth's outer core is made up of iron and nickel and is very hot (4400 to ...
Dec 1, 2014 ... The outer core of the Earth is a liquid layer about 2,266 kilometers thick. It is
made of iron and nickel. This is above the Earth's solid inner core ...