Sentences with phrase «as iron core»

The researchers think that, as the iron core of the dying star collapsed, it gave off neutrinos that heated the matter behind the shock wave, causing bubbles to rise (rather like they would from the bottom of a pot of boiling water, Grefenstette said) and causing material to slosh around.

Not exact matches

As the name suggests, it's comprised of resin, a material that's lighter than the more traditional rubber core, that's been molded in a so - called speedlock shape that could best be described as a pattern resembling a waffle iroAs the name suggests, it's comprised of resin, a material that's lighter than the more traditional rubber core, that's been molded in a so - called speedlock shape that could best be described as a pattern resembling a waffle iroas a pattern resembling a waffle iron.

IRON TOSSERS Sirs: As a hard - core weight - lifting fanatic, I devoured your article on the world championships (Bulgars, Britons and Bombers, Oct. 8).

As the iron in the inner core cools and solidifies, the researchers hypothesize, some of those light elements would be squeezed out, like the salt extruded from ice crystals when seawater freezes.

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.

Molten iron, being about twice as dense as the surrounding mantle, would propagate the crack downward, all the way to the core.

Heavy, magnetisable metals such as iron would have sunk down to its core.

Nanorod structures aren't new, but the technique used by Lin's lab produces nanorods of uniform sizes — such as barium titanate and iron oxide, which have not yet been demonstrated via wet - chemistry approaches in the literature — and highly - uniform core - shell nanorods made by combining two dissimilar materials.

Mercury, with a substantial iron - rich core, has a magnetic field that is only about 1 percent as strong as Earth's.

The long - held assumption was that it takes a planet the size of Earth to insulate a molten iron core, whose currents and eddies act as a dynamo to generate a magnetic field.

The cores of both Mercury and Earth contain light elements such as sulfur, in addition to iron; the presence of these light elements keeps the cores from being completely solid and «powers the active magnetic field - generation processes,» Hao said.

GJ 1132b, as it is known, looks a bit like home: only 16 % bigger in diameter than Earth and about the same density, suggesting a similar rocky crust and iron core.

It is generated by the rotation of liquid iron in the core, just as happens inside Earth.

Astronomers already knew that Mercury has a magnetic field about 1 per cent the strength of Earth's, and that the rotation of liquid iron in the core generates the field, just as happens inside Earth.

That rules out some previously proposed ways of forming Mercury with its relatively huge molten iron core, such as having the nascent sun blasting away the outer rind of an Earthlike planet.

The electrons in metals, such as the iron in Earth's core, carry current and heat.

It has long been thought that heat flow drives what is called thermal convection — the hottest liquid becomes less dense and rises, as the cooler, more - dense liquid sinks — in Earth's liquid iron core and generates Earth's magnetic field.

The exact thickness of that layer is unknown, but as it gradually cools, it should form solid chunks that sink like iron snow into the denser, solid inner core, also of unknown size, says geophysicist Sean Solomon of the Carnegie Institution of Washington's Department of Terrestrial Magnetism, the mission's principal investigator.

As a massive star ages, it accumulates iron in its core.

«The core is mostly iron and some nickel, but also contains about 10 % of light alloys such as silicon, oxygen, sulfur, carbon, hydrogen, and other compounds,» Hirose, lead author of the new study to be published in the journal Nature.

The FAST manufacturing method enables the creation of transformer cores from raw starting materials in minutes, without decomposing the required iron nitrides, as could happen at the higher temperatures used in conventional sintering.

Led by Carnegie's Ho - kwang «Dave» Mao, the research team believes that as much as 300 million tons of water could be carried down into Earth's interior every year and generate deep, massive reservoirs of iron dioxide, which could be the source of the ultralow velocity zones that slow down seismic waves at the core - mantle boundary.

As a consequence, the thermal conductivity of nickel and, thus, the thermal conductivity of Earth's core is much lower than it would be in a core consisting only of iron.»

As it turns out, it is crucial for the dynamo effect that Earth's core contains up to 20 % nickel — a metal, which under extreme conditions behaves quite differently from iron.

If the core is made out of less - dense material such as a mixture of sulfur and iron, the maximum radius would probably be less than 2000 kilometers.

Led by Geophysical Laboratory's Ho - kwang «Dave» Mao, the research team believes that as much as 300 million tons of water could be carried down into Earth's interior every year and generate deep, massive reservoirs of iron dioxide, which could be the source of the ultralow velocity zones that slow down seismic waves at the core - mantle boundary.

Not only are the iron crystals in the «inner» inner core aligned in an east - to - west direction — as opposed to the north - to - south alignment in the «outer» inner core — they also behave differently from their counterparts in the outer region.

They deduce that the planet has a solid inner core surrounded by a relatively thin, molten outer core, which is possible if the core contains some sulphur as well as iron.

In order for Mercury's core to have stayed molten over some 4.5 billions of years since the planet first formed from agglomerating planetisimals, however, its mostly iron core must also contain a lighter element, such as sulfur, to lower the melting temperature of the core material.

Eventually these bodies become big and hot enough to partially melt, allowing heavy materials such as iron to sink to the core — and lighter material such as silicon to rise to the surface.

It's a little denser than Earth, suggesting an iron core, and it's about the same size and receives a similar amount of radiation from its parent star as we do from the Sun.

Scientists have long believed — and largely agreed — that the Earth's core is made up primarily of iron (85 percent), with 10 percent nickel and some lighter elements, such as carbon, oxygen, silicon, or sulfur mixed in.

NASA (Shock rings around Supernova 1987A)-- larger image While primordial supernovas created much of the heavier elements such as iron found in the Solar System, Sol orbits the galactic core without frequent crossings of the spiral arms where life - threatening supernovas are more common.

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.

Scarlett Johansson worked with trainer Bobby Strom on balance, coordination and core work for her role as Black Widow in Iron Man 2.

It will build fantastic core and shoulder strength as well as forge and iron grip.

CEDAR CITY — The results are in for the state of Utah in terms of how students in grades three through 11 are doing as they adjust to the new Utah Core Standards, and Iron County School District administrators are preparing to move forward to help students improve.

When battery power is applied, the coil acts as an electromagnet; the magnetic field from the core pulls the iron arm, opening the switch contacts, interrupting the primary current.

The Los Angeles Times reviews as well, writing that the book «finds the iron core of both men.»

I think the specs are just find I wish it had a front facing camera though but thats it really I mean duel core is all hype right now just like the first iPhone ill make the jump when they iron out the battery problems etc But front facing camera isnt a huge issue fro me because if I make the switch back to blackberry ill be getting the playbook as well

As you might have learned if you went to an evil public school (as opposed to enlightened home schooling), so - called scientists have long claimed that the earth is composed of a relatively thin crust floating on what is more - or-less bubbling hot lava with a molten iron core at its centeAs you might have learned if you went to an evil public school (as opposed to enlightened home schooling), so - called scientists have long claimed that the earth is composed of a relatively thin crust floating on what is more - or-less bubbling hot lava with a molten iron core at its centeas opposed to enlightened home schooling), so - called scientists have long claimed that the earth is composed of a relatively thin crust floating on what is more - or-less bubbling hot lava with a molten iron core at its center.

The so - called «Galactic Cosmic Rays» probably come directly from the Sun's pulsar core, and were recorded as a gradient in cosmic ray exposures of meteorites at the birth of the solar system: iron meteorites > stone meteorites > carbonaceous chondrites