The Earth's inner core is the Earth's innermost part and according to
seismological studies, it is primarily a solid ball with a radius of about 1220
May 1, 2013 ... It gives us a better understanding of the region between the inner and outermost
core of the earth: where red-hot solid iron becomes molten ...
Although Earth's center is closer than most of the other objects we muse about at
The Space Place, in some ways it is more remote. Its solid core is about the ...
Apr 25, 2013 ... Earth has multiple layers: the crust, the mantle, the liquid outer core and the solid
inner core. ... That's as hot as the surface of the sun.
Oct 6, 1997 ... This occurs through both "convective" transport of heat within the earth's liquid
outer core and solid mantle and slower "conductive" transport of ...
Dec 18, 2014 ... But how do scientists know how hot Earth's core is? They can't see it. They can't
dig down deep enough to use a thermometer to measure its ...
Jun 1, 2010 ... Volcanoes occur when hot magma from inside the Earth reaches the surface and
erupts as lava, ash and rock. So we know the interior of the ...
Apr 26, 2013 ... But the sun's surface isn't all that hot, at least compared with its atmosphere.
Apr 26, 2013 ... Researchers revisit measurements to determine the temperature of the Earth's
core, finding it to be 6000C - as hot as the surface of the Sun.
Apr 26, 2013 ... The Earth's inner core is hotter than experts previously suspected — by a ... of
crystalline iron, surrounded by a layer of extremely hot liquid.