Earth's core has two parts, a solid iron inner core and a molten outer core, which is composed of a nickel-iron alloy. The outer core begins about 1,800 miles under the...
The Earth's inner core is the Earth's innermost part and according to
seismological studies, it has been believed to be primarily a solid ball with a
radius of about ...
Earth's core is the very hot, very dense center of our planet.
Aug 13, 2015 ... We can't journey to the centre of the Earth, but that hasn't stopped us finding out
what is down there.
This volunteer group of worldwide specialists coordinates research into the mantle and core
. More »
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 ...
Feb 11, 2015 ... Scientists may have found a new inner inner core to the Earth, within the super-
compressed ball of iron at the heart of our planet that helps ...
Directed by Kevin Connor. With Doug McClure, Peter Cushing, Caroline Munro,
Cy Grant. A Victorian era scientist and his assistant take a test run in their Iron ...
Take an in depth look at our planet with host Bill Nye, as he examines the Earth's
inner and outer core.
Sep 22, 2015 ... There is more oxygen in the core of Earth than originally thought. Geologists
have discovered some new findings about Earth's core and mantle ...