Sentences with phrase «outer core»

The outer core refers to the layer surrounding the central part of something. In particular, it most commonly refers to the outer layer of Earth's core, which is a hot and liquid portion located beneath the Earth's mantle. Full definition
The region is located right above the boundary between the hot liquid outer core and the stiffer, cooler mantle.
Those light elements would then rise into the liquid outer core, creating convection currents.
Every now and then the earth's magnetic field, which here points north and down, would reverse and point south and up, all due to the convection of the liquid outer core of the earth.
The jet stream, located roughly 3,000 km (1,860 miles) below the Earth's surface — a region where the molten outer core meets the solid mantle — is estimated to be over 260 miles wide.
The motion of Earth's fluid outer core, which contains iron and nickel, helps to generate a planet - wide magnetic field.
The mantle, which makes up more than four - fifths of the earth's volume, is energized by radioactive heating within it and by the molten iron outer core below it.
It's very common for people to pay more attention to the extrinsic core rather than the intrinsic core because these are the muscles we see when we look in the mirror, however, it's crucial to understand the relationship between the inner and outer core muscles and how they work together to get a flat, toned tummy!
Musk has said the rocket's outer cores for this upcoming launch are previously flown Falcon 9 boosters.
The planetary architecture that provides Earth's sheltering field has been broadly understood for several decades now: a solid - iron inner core roughly the size of the moon, surrounded by a 1,400 - mile - thick outer core of liquid iron and nickel, with 1,800 miles of solid mantle above, topped by a crust of slowly drifting tectonic plates.
The innermost region of the Earth's outer core periodically flows faster or slower, and this action «tugs» at the planet's magnetic field, says Gillet.
To obtain this result, they modeled Earth's outer core using liquid sodium enclosed between two rotating concentric metal spheres, a set - up they dubbed the Derviche Tourneur Sodium (DTS) experiment.1
There's the familiar thin crust of continents and ocean floors; the thick mantle of hot, semisolid rock; the molten metal outer core; and the solid iron inner core.
The motion of liquid iron in Earth's outer core drives a phenomenon called the geodynamo, which creates Earth's magnetic field.
The shift could either be the result of plate tectonics (the individual motion of continental plates with respect to one another) or «true polar wander,» in which the Earth's solid land mass (down to the liquid outer core almost 1,800 miles, or 3,000 kilometers, deep) rotates together with respect to the planet's rotational axis, changing the location of the geographic poles, Mitchell said.
This is three times faster than typical outer core speeds and hundreds of thousands of times faster than the speed at which the Earth's tectonic plates move.
Also, Earth's magnetic field comes from a liquid outer core circling around a solid inner core.
Some researchers think remnants of the pre-collision Earth still exist deep in Earth's mantle and outer core today.
Lush's Neon Love Soap is super adorable, the pink outer core reveals white hearts on the inside when cut in store.
The patented outer core liquefies immediately when contacting the ice and begins to melt and break up its surface.
Cumulative percentage distances from surface to base of each structural element Crust = 1 % Mantle = 45 % Outer Core = 80 % Centre of the Core = 100 %
This active faulting is consistent with the recent finding that Mercury's global magnetic field has existed for billions of years and with the slow cooling of Mercury's still hot outer core.
Rotating independently of the planet, turning at a different speed within a fluid outer core, this solid, satellite - size sphere holds clues to understanding Earth's earliest history and perhaps even life on the planet.
Liquid sodium filling the space between the inner and outer spheres replaces the planet's liquid iron outer core.
Seismic data show that sound waves, descending from earthquakes in the mantle and crust above, slow as they pass through the molten outer core.
Deep inside Earth, slow - motion convection of rocky minerals in the mantle and heat loss from the cooling solid inner core cause convection in the liquid outer core.
Our technology is based on a variant of chemical vapor deposition, which builds the diamond lattice atom by atom in a reactor that creates a plasma akin to the outer core of the sun.
This «two - speed» EU is weak at home and internationally — with a divided inner core, plus an outer core divided in itselfnd from the inner group.
Much deeper, the outer core is liquid, with a viscosity similar to water.
In other words, there would be no heat - driven convection in the outer core.
Researchers have known for many decades that the slow, convective sloshing of liquid iron in the outer core, aided by Earth's rotation, generates the planet's magnetic field.
He knew that compasses respond to the Earth's magnetic field, which is generated by molten iron moving in the Earth's outer core.
Under slightly less pressure, the outer core — a 1,400 - mile - deep, 8,000 - degree ocean of iron and nickel — is still hot enough to be fluid.
Stevenson and other researchers have previously proposed a second mechanism besides heat flow that could produce the required convection in the outer core.
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.
Heat from Earth's inner core, which is as hot as the surface of the sun, churns an outer core of molten iron and nickel, generating a magnetic field that deflects lethal cosmic and solar radiation away from the planet.
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 same is true inside the Earth: In addition to convection currents moving heated material through the outer core and mantle, heat is conducted through liquids and solids without roiling them.
Besides having the right mix of ingredients and pressures, this range defines a well - known transition zone within the mantle, the 2900 - kilometer - or - so - thick layer of slowly circulating material that lies between Earth's crust and its outer core of molten iron.
Earth's mantle — the layer between the crust and the outer core — is home to a primordial soup even older than the moon.
The currents inside should mimic flows in the outer core.
This process could account for certain heat pulses in the outer core and at its boundary with the Earth's mantle.
This mechanical forcing applied to the whole planet causes strong currents in the outer core, which is made up of a liquid iron alloy of very low viscosity.
Life thrives on this planet partly because it is protected by the powerful magnetic field generated in the outer core.
The researchers show that this effect could continuously stimulate the motion of the liquid iron alloy making up the outer core, and in return generate Earth's magnetic field.
The Earth continuously receives 3,700 billion watts of power through the transfer of the gravitational and rotational energy of the Earth - Moon - Sun system, and over 1,000 billion watts is thought to be available to bring about this type of motion in the outer core.
Sitting on top of the liquid outer core, it may sink slightly, disturbing the flow of iron and ultimately affecting Earth's magnetic field.
This shield is produced by the geodynamo, the rapid motion of huge quantities of liquid iron alloy in the Earth's outer core.

Phrases with «outer core»

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