Sentences with phrase «of a magnetic field generated»

That model assumes that relativistic jets store energy primarily in the form of hot matter (plasma) and less in the form of magnetic fields generated by shock waves at the front of the jets.

They collected images of the magnetic field generated by one of the stars in the Algol system, located about 93 light - years away.

Taking advantage of an unusual pair of nearby stars, astronomers have for the first time captured images of a magnetic field generated by a star other than our sun.

Not exact matches

The earth has North and South poles because of the «Magnetic Field» generated by the its metallic molten core.

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.

Scientists don't fully understand what's driving Jupiter's strongest auroras, but data gathered by the orbiting Juno spacecraft hint that the electrons generating Jupiter's polar glows may be accelerated by turbulent waves in the planet's magnetic field — a process somewhat akin to surfers being driven shoreward ahead of breaking ocean waves, the researchers report today in Nature.

Although we know that the magnetic field originates in different parts of Earth and that each source generates magnetism of different strengths, exactly how it is generated and why it changes is not fully understood.

Thanks to Swarm's precise measurements along with those from Champ — a mission that ended in 2010 after measuring Earth's gravity and magnetic fields for more than 10 years — scientists have not only been able to find the magnetic field generated by ocean tides but, remarkably, they have used this new information to image the electrical nature of Earth's upper mantle 250 km below the ocean floor.

«It's not like the magnetotail found at Venus, a planet with no magnetic field of its own, nor is it like Earth's, which is surrounded by its own internally generated magnetic field.

For this theory to work, the beams released by black holes would have to have strong, self - generated magnetic fields and the rotation of particles around the fields would then give off powerful bursts of gamma ray radiation.

A solenoid is basically a cylindrical electromagnet that generates a very uniform magnetic field inside the cylinder; the uniform field makes it easier to calculate the momentum of particles produced from collisions.

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.

Earth's magnetic field is generated in its liquid iron core, and this «geodynamo» requires a regular release of heat from the planet to operate.

However, Ganymede's core of molten iron and sulfur generates a magnetic field of its own, masking the subtle signatures that an ocean might produce.

18 Magnetic Resonance Imaging (MRI) machines generate a field 60,000 times as intense as the earth's to vibrate the hydrogen atoms in your body; in response, the atoms emit radio waves that are analyzed to produce a map of your insides.

They think a very strong magnetic field, tens of trillions of times the size of Earth's and much stronger even than a normal pulsar's field, generates the bursting pulsar's signals.

The results also advance scientists» understanding of how stars generate their magnetic fields.

Ever since scientists generated the first global model of Earth's magnetic field nearly 180 years ago, its strength has decreased by some 10 percent.

The Earth's magnetic field is generated by the flow of liquid iron, an electrical conductor, in the Earth's outer core, between 3000 and 5000 kilometres beneath the surface.

Like refrigerator magnets, chromium triiodide is a ferromagnet, a material that generates a permanent magnetic field owing to the aligned spins of its electrons.

Samples of isolated magnetosome chains were analysed at BESSY II to investigate the relative orientation between the chain's direction and the magnetic field generated by the magnetosomes.

The movement of iron, which can carry a charge, generates a strong magnetic field that can protect a planet's atmosphere from being ravaged by solar wind (SN Online: 8/18/17).

There might be an ocean of metallic fluid hydrogen swirling around that core, a gargantuan electrical conductor that generates Jupiter's far - reaching magnetic field.

The accretion disk is made of charged particles, and when the particles move, they generate a magnetic field.

An array of wire coils generates a magnetic field and when a phone disrupts that field, MagMIMO senses it and focuses on the phone by creating a slightly different field with each coil.

«Despite the fact that the moon is only about 1 percent of the Earth's mass,» Weiss says, «this tiny little thing seemed to have generated whopping magnetic fields lasting for an extremely long time — longer than you might think would be possible.»

But however good their technology, they have to contend with an unusual property of superconductors — when the wires sweep through a magnetic field, their ability to generate current is reduced.

The shock waves created by a supernova explosion, astronomers theorized, could generate enormous magnetic fields capable of accelerating electrons, protons, and other ions to nearly the speed of light.

In ordinary magnets, both individual electron spins and the motion of electrons in their atomic orbitals generate magnetic fields.

We present a third, distinct bonding mechanism: perpendicular paramagnetic bonding, generated by the stabilization of antibonding orbitals in their perpendicular orientation relative to an external magnetic field.

Researchers in Spain have discovered that if lead atoms are intercalated on a graphene sheet, a powerful magnetic field is generated by the interaction of the electrons» spin with their orbital movement.

The rapid rotation created by mass transfer between the two stars appears necessary to generate the ultra-strong magnetic field and then a second mass transfer phase allows the magnetar - to - be to slim down sufficiently so that it does not collapse into a black hole at the moment of its death.

«I have been presenting this as a miniaturized version of a fidget spinner where we use the magnetic field to generate an isotropic interaction around the particles,» Biswal said.

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.

A joint US and Italian shuttle mission will reel out a satellite on the end of a long conducting tether which, as it moves through the Earth's magnetic field, will generate electricity.

Jupiter's fast 10 - hour rotation stirs up its insides and generates a huge magnetic field that is a few million miles wide and up to hundreds of millions of miles long.

• The rapid discovery of fluoride - based multiferroic materials, which could allow for generating electric fields that would support more efficient electronic devices or be electronic responsive under a magnetic field.

As the tether moves through the Earth's magnetic field, an electrical potential of several thousand volts will be generated.

But Mercury has a weak magnetic field — which is presumably generated, like Earth's, by the circulation of molten, electrically conducting metal at the planet's core.

As a huge mass of displaced seawater — the start of a tsunami — moves through the Earth's magnetic field, electric fields are generated, which in turn induce secondary magnetic fields.

«Also, the magnetic field of the Earth is generated by flow in the liquid core, so the findings of Rowley and co-authors are likely to have implications for our understanding of the existence, character and amplitude of the Earth's magnetic field and its evolution through geological time,» Braun added.

Either wobbly rotation produced by Earth's gravitational tug or asteroids smacking into the lunar surface may have triggered enough turbulence in the moon's molten core to generate a long - lasting magnetic field, report two teams of scientists in the Nov. 10 Nature.

Constant convection, or boiling, of material throughout the sun generates islands of tangled magnetic fields.

The magnetic field, which may be generated by the planet's core, is connected to the winds because of high temperatures stripping electrons from atmospheric atoms of lithium, sodium and potassium, making them positively charged.

When a metal is in the presence of alternating magnetic fields (AMFs), electrical currents are produced on the metal, which generate heat.

A combination of iron - oxide nanoparticles and an alternating magnetic field, which together generate heat, have activated an immune system response to tumors in mice according to an accepted manuscript by Dartmouth - Hitchcock Norris Cotton Center researchers in the journal Nanomedicine: Nanotechnology, Biology and Medicine released online on February 24, 2014.

Hao and his colleagues conducted mathematical modeling of the processes that generate Mercury's magnetic field.

They did it by penning the plasma in with magnetic fields generated by electrodes and magnets at each end of the long tube.

The motion of Earth's fluid outer core, which contains iron and nickel, helps to generate a planet - wide magnetic field.

Small magnetic fields generate a kind of turbulent friction that robs the gas and dust of some of its angular momentum, facilitating its infall.