inner core

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inner core

[¦in·ər ′kȯr]
(geology)
The central part of the earth's core, extending from a depth of 3160 miles (5100 kilometers) to the center of the earth. Also known as siderosphere.
References in classic literature ?
I became interested in your story, At the Earth's Core, not so much because of the probability of the tale as of a great and abiding wonder that people should be paid real money for writing such impossible trash.
Cable me at once, at my expense, that there was no basis of fact for your story, At the Earth's Core.
From these, arranged in chronological order, I have set down the following account of the further adventures of David Innes at the earth's core, practically in his own words.
The motion of liquid metal in the Earth's core is what creates the magnetic field around our planet.
The seismic waves from the earthquakes are large enough to cause significant energy to bounce off the Earth's core and back to the surface.
Saul of the Mole Men: During a scientific expedition to the Earth's core, a terra-naut stumbles upon a strange civilization of Mole Men--and nearly destroys it.
They have recreated the extreme conditions at the boundary between Earth's core and its mantle, 2,900 km beneath the surface.
Entitled Planet Earth's Core Values, the day will give a glimpse of what lies beneath the Earth's surface.
The Earth's core stops spinning, bringing chaos to the world, and prompting leading scientists to set about finding a way to restart it.
Even the resourceful Arnie Sacnussen would find it difficult to traverse the billion-trillion tons of molten iron that forms the Earth's core.
While much of the quake's energy spread along the planet's surface, some radiated downward, traveled through Earth's core and then returned to the surface in Japan, where more than 700 seismometers picked up the vibes.