Sentences with phrase «magnetic field lines in»

Magnetic reconnection, in which the magnetic field lines in plasma snap apart and violently reconnect, creates massive eruptions of plasma from the sun.

The observed Sgr A * emission is polarized and this means that it is produced by electrons gyrating around magnetic field lines in so called synchrotron process.

The MRX device produces laboratory studies of magnetic reconnection, the convergence and violent separation of magnetic field lines in plasma, the state of matter that consists of free electrons and atomic nuclei.

Not exact matches

These form in areas where magnetic field lines converge, producing cooler regions of «only» about 3,000 — 4,000 degrees Celsius (by contrast with their surroundings of 5,000 degrees Celsius or higher).

The corona is made up of charged plasma, which roils in famous loops and fans that follow magnetic field lines emerging from the surface of the sun (SN Online: 8/17/17).

(When rocks form, their magnetic minerals line up with Earth's field, and that orientation is preserved when the rocks solidify, providing geophysicists with a record, written in stone, of the planet's magnetic past.)

On Earth, the brightest auroras (the high - altitude glows often called the northern and southern lights) are generated when electrons in outer space near Earth are accelerated by large electrical potentials, or voltages, along the lines in our planet's magnetic field and slam into gas molecules in the upper atmosphere above polar regions.

This implies that the plasma can generate the magnetic field in the opposite direction to the one applied so the field lines diverge.

Witness what physicist Michael Faraday saw in the 19th century, and many a schoolkid has since: iron filings neatly ordering themselves along the lines of a magnetic field,...

By combining observations from the ground and in space, the team observed a plume of low - energy plasma particles that essentially hitches a ride along magnetic field lines — streaming from Earth's lower atmosphere up to the point, tens of thousands of kilometers above the surface, where the planet's magnetic field connects with that of the sun.

In an MRI machine, a powerful magnetic field causes protons in the body to line up like violin strings under tension, then a pulse of energy plucks those «strings,» making them huIn an MRI machine, a powerful magnetic field causes protons in the body to line up like violin strings under tension, then a pulse of energy plucks those «strings,» making them huin the body to line up like violin strings under tension, then a pulse of energy plucks those «strings,» making them hum.

After correcting the logs for errors in location, Gubbins compared the directions of captains» compass needles with the magnetic properties of rocks from the same period, allowing him to construct a time line of movements in the magnetic field.

In 23 fly - bys which passed through Titan's ionosphere or its magnetic tail, CAPS detected measurable quantities of these photoelectrons up to 6.8 Titan radii away from the moon, because they can easily travel along the magnetic field lines.

«Chaotic magnetic field lines may answer the coronal heating problem: Scientists show how chaotic magnetic field lines result in stronger current sheets and extreme heating of the sun's corona.»

These showed the magnetic field evolving rapidly at first, in line with previous predictions.

The electrons in the hydrogen would be trapped and move up and down the bursting pulsar's intense magnetic field lines, but not across them.

But when the sun ejects major blasts of particles in flares and solar storms, these belts overflow and send electrons streaming toward Earth along the looping lines of the magnetic field, which intersect the planet near the north and south poles.

The activity twisted and contorted lines in the sun's magnetic field until they snapped and reconnected, triggering giga - lightning bolts that showered Earth's satellites 93 million miles away with X-rays and gamma rays.

All known magnets have both a north and south pole, as illustrated in the inset image, with lines indicating the direction of the magnetic field.

Solar particles (the electric current) stream down Earth's magnetic field lines (the tube) and collide with molecules of nitrogen and oxygen (the gas), exciting them until they glow in various colors.

Magnetic waves in plasma, called Alfvén waves, are thought to ripple through the sun's magnetic field lines like vibrations in a guitarMagnetic waves in plasma, called Alfvén waves, are thought to ripple through the sun's magnetic field lines like vibrations in a guitarmagnetic field lines like vibrations in a guitar string.

In 2015, NASA launched the Magnetospheric Multiscale spacecraft to study the mysterious interactions between Earth and the solar wind when our planet's magnetic field lines occasionally break and reconnect, which also affects auroral activity.

CMEs, which can take a few days to reach Earth, are magnetic shock waves that can disrupt Earth's magnetic field and induce currents in electricity transmission lines and oil pipelines, causing blackouts and fires.

The team found that this «pins» the magnetic flux lines in place as the wires sweep through the field, preventing the formation of swirling magnetic vortices that reduce current flow.

The distance between certain lines in the spectrum reveals the strength of the magnetic field in that location — information that can't be measured directly otherwise.

The Van Allen Probes measure particle, electric and magnetic fields, or basically everything in the radiation belt environment, including the electrons, which descend following Earth's magnetic field lines that converge at the poles.

In addition, astronomers have conjured some tricky mathematics to show that the magnetic field lines contract and twist as they get farther and farther away from the disk.

The researchers obtained measurements in Antarctica in 2013 when the balloons and both the Geostationary Operational Environmental Satellite (GOES) and Van Allen Probe satellites were near the same magnetic field line.

Since charged particles tend to follow magnetic field lines, moving along them in a sort of corkscrew motion, the gas molecules fly not only outward but also upward and downward along the magnetic field lines.

After puzzling it over and practically wallpapering his house with seafloor topography and magnetic field maps, in 1993 Klimley hypothesized that somehow their oblong - shaped heads can sense tiny changes in the magnetic lines created by volcanic lava flows.

Thomson and his colleagues claim that solar vibrations are transmitted to the Sun's magnetic field lines which in turn communicate them to the particles in the solar wind.

Physicists believe that the explanation lies in giant waves that spread into space along the Sun's magnetic field lines, making them wobble like a washing line yanked hard at one end.

«We computed the Sun's magnetic environment by tracing millions of magnetic field lines and looking at how neighboring field lines connect and diverge,» said Antonia Savcheva, an astrophysicist at the Harvard - Smithsonian Center for Astrophysics in Cambridge, Massachusetts, and co-author of the paper.

Similar to how water in a bathtub forms a whirlpool as it goes down a drain, the gas and magnetic fields that feed a supermassive black hole swirl to form a rotating disk — a tangled spaghetti of magnetic field lines mixed into a broth of hot gas.

In the image above, blue lines track strong magnetic field lines directed one way, while those in magenta trace powerful lines in the opposite directioIn the image above, blue lines track strong magnetic field lines directed one way, while those in magenta trace powerful lines in the opposite directioin magenta trace powerful lines in the opposite directioin the opposite direction.

Particles, including electrons, in the solar outburst can penetrate the ionosphere, following Earth's magnetic field lines, which converge at the poles.

Dr Nicolas Labrosse, lead scientist in the study, explains: «We found that despite how prominences and tornadoes appear in images, the magnetic field is not vertical, and the plasma mostly moves horizontally along magnetic field lines.

The magnetic field lines originate in the Earth's core and emerge near the poles, where their angle of dip — or inclination — relative to Earth's surface is almost 90 degrees.

A team of researchers at the Brazilian Center for Physics Research is studying the motion of vortex domain walls — local regions of charge that collectively store information via their configuration — driven by magnetic fields in ferromagnetic nanowires, which are configured in a straight line with an asymmetric Y - like branch.

Monarchs, they found, navigate north or south using the change in dip of Earth's magnetic field lines with latitude.

As astronomers report online today in Nature, magnetic fields inside M33's six most massive giant molecular clouds — large concentrations of dense gas and dust that give birth to stars — line up with the spiral arms, suggesting the magnetic fields helped create the huge clouds and that they regulate how the clouds fragment to form new stars.

SIGNS OF LINES The sun's magnetic field is connected to one in the corona, which is much weaker and therefore harder to observe.

The dish was placed in a vertical magnetic field, so that the drops became tiny magnets, lining up in the magnetic field in such a way that they repelled each other.

The data suggest that in the chromosphere magnetic field lines break and reconnect to generate the heat and drive the electrons up into the loops, Aschwanden says.

The largest of these eruptions cause what is known as space weather — the radiation, energetic particles and magnetic field releases from the Sun powerful enough to cause severe effects in Earth's near environment, such as the disruption of communications, power lines and navigations systems.

That means the charged particles that create Steve connect to magnetic field lines that are closer to Earth's equator, hence why Steve is often seen in southern Canada.

Over time they build a more detailed magnetic map by learning to recognise variations in the strength and direction of the field lines, which are angled more steeply towards the poles and flatter at the magnetic equator.

Magnetic field lines that are closed on the sun are shown in blue, while those that are open are shown in red and green.

That means, the team reports in an upcoming issue of The Astrophysical Journal, that the masers are following magnetic field lines, and therefore magnetic fields are controlling the star's evolution by pulling away material that otherwise would have been captured by the star's gravity.

The magnetic sense in migratory birds has been studied in considerable detail: unlike a boy scout's compass, which shows the compass direction, a bird's compass recognizes the inclination of the magnetic field lines relative to Earth's surface.