Sentences with phrase «liquid iron at»

The Earth's core consists mainly of a sphere of liquid iron at temperatures above 4000 degrees and pressures of more than 1.3 million atmospheres.
Alfè and his colleagues used supercomputers to carry out a «first principles» calculation of heat flow in liquid iron at Earth's core.

Not exact matches

In the meantime, I strongly recommend that for your iron supplement, you take Floravital liquid iron and herb supplement (found at any natural food store).
Two years ago, a team of scientists from two British universities discovered that liquid iron, at the temperatures and pressures found in the outer core, conducts far more heat into the mantle than anyone had thought possible.
The discovery is vexing: If liquid iron conducts heat into the mantle at such a high rate, there wouldn't be enough heat left in the outer core to churn its ocean of liquid iron.
The Outer Core Made of molten iron, nickel, and other ingredients yet to be determined, the churning liquid outer core may have the viscosity of water, streaming at possibly one to several miles per week with the turbulence of a gargantuan, slow - moving washing machine.
It is only at the very centre of the Earth, where pressure and temperature rise even higher, that the liquid iron solidifies.
Below the mantle is the outer core, composed of liquid, molten iron and nickel, which envelopes an inner core of solid iron at the center of the planet.
Mercury's peculiar magnetic field provides evidence that iron turns from a liquid to a solid at the core's outer boundary, say the scientists, whose research currently appears online in the journal Geophysical Research Letters and will be published in an upcoming print edition.
Together with Eric Blackman, an astrophysicist at the University of Rochester, and Michael Watkeys, a geologist at the University of KwaZulu - Natal in South Africa, Tarduno hypothesizes that the region — which is referred to as a Large Low Shear Velocity Province (LLSVP)-- affects the direction of the churning liquid iron that generates Earth's magnetic field.
Within Earth's core, iron turns from a liquid to a solid at the inner boundary of the planet's liquid outer core; this results in a solid inner part and liquid outer part.
To mimic conditions at Earth's Core, scientists cranked up the heat and pressure, then used synchrotron X-rays to gauge when iron turned from solid to liquid.
They used an iron - bearing liquid which they released in small drops at regular intervals at the centre of a dish of silicone oil.
The new data should help scientists better model the movement of liquid iron in the outer core, which gives rise to Earth's magnetic field, says Duncan Agnew, a geophysicist at Scripps Institution of Oceanography in San Diego, California.
It is widely accepted that the Earth's inner core formed about a billion years ago when a solid, super-hot iron nugget spontaneously began to crystallize inside a 4,200 - mile - wide ball of liquid metal at the planet's center.
By looking in detail at the seismic record, you can deduce that Earth has a liquid outer core and a solid inner core, and that both are mostly iron.
If Mercury's core material condensed from primordial matter at pressures of one atmosphere or more, iron would condense as a liquid capable of dissolving copious amounts of hydrogen.
In that case, up your intake of iron - rich plant sources, cook in cast iron pots (especially acidic solutions like tomato sauce, orange juice), avoid drinking any type of tea or coffee at meals, take citrus or vitamin C with iron - rich meals, or consider a modest amount of a liquid - based iron elixir (e.g. a couple drops per day).
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