Sentences with phrase «of magnetic fields in»

A specialized camera on a telescope operated by U.K. astronomers from Liverpool has made the first measurement of magnetic fields in the afterglow of a gamma - ray burst (GRB).
«This breakthrough observation gives us the first measurement of magnetic fields in the afterglow of a GRB,» said Swift lead scientist Neil Gehrels, Swift lead scientist at NASA's Goddard Space Flight Center in Greenbelt, Md..
«The high resolution of IllustrisTNG combined with its sophisticated galaxy formation model allowed us to explore these questions of magnetic fields in more detail than with any previous cosmological simulations,» says Vogelsberger, one of the authors of the three papers published today in the Monthly Notices of the Royal Astronomical Society.
This finding opens the door to understanding the role of magnetic fields in some of the most powerful events in the universe.
This new finding implies that the retarding effect of magnetic fields in disk formation may not be as efficient as we thought before,» says Zhi - Yun Li at University of Virginia
He notes that such a model requires precise knowledge of gas velocities as well as the strength and tilt of magnetic fields in the penumbra, data the Swedish team hopes to obtain next year.
The control and movement of magnetic fields in a material can be exploited for high performance in electronic applications.
A new instrument gave the team minute - by - minute updates on the strengths of magnetic fields in the spots.
Developed turbulence and nonlinear amplification of magnetic fields in laboratory and astrophysical plasmas
For example, the direction of the magnetic field in the device reverses direction every so often, as Earth's does.
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.
It turns out that the distance over which these flips occur depends on the direction of the magnetic field in that region of the neutron star, so that on one side, far more tau neutrinos will emerge from its hotter inner regions.
The Galileo spacecraft took brief «snapshot» measurements of the magnetic field in 20 - minute intervals, but its observations were too brief to distinctly catch the cyclical rocking of the ocean's secondary magnetic field.
Upon exiting the heliopause, the local measurements of the magnetic field by Voyager 1, shown here as a compass needle, differed by 40 degrees from the «true magnetic north» estimated to be the direction of the magnetic field in the pristine interstellar medium.
Evolution of the magnetic field in two simulations of the formation of active solar regions.
Model of the magnetic field in the region where a major flare occurred on 13 December 2006.
«The origin of the magnetic field in this region is not understood, but it is likely that a smaller magnetic field is stretched out as the filaments are elongated by the gravitational influence of the black hole and stars in the Galactic center.»
As a consequence, the directions of polarization for stars in different parts of the sky make it possible to plot the direction of the magnetic field in the Milky Way.
To carry out novel investigations based on spectro - polarimetric observations with ground - based and space solar telescopes, with emphasis on the study of the magnetic field in chromospheric and coronal structures and its coupling with the underlying photosphere.

Not exact matches

The discovery started humbly, with a curious blip in magnetic field readings during the first flyby of Enceladus in 2004.
The International Thermonuclear Experimental Reactor program in the south of France will use magnetic fusion and employ strong magnetic fields to hold and fuse hydrogen plasma.
The breakthrough, he adds, has been an evolutionary one in the development of the controls needed to manipulate the magnetic fields to the temperatures (millions of degrees) and pressures in which fusion happens.
Observation of magnetic field generation via the Weibel instability in interpenetrating plasma flows
Experimental investigations of ablation stream interaction dynamics in tungsten wire arrays: Interpenetration, magnetic field advection, and ion deflection
T2MR is a miniaturized, magnetic resonance - based approach that measures how water molecules react in the presence of magnetic fields.
The International Thermonuclear Experimental Reactor (ITER), an experimental reactor currently being built in the south of France, will house the world's largest ever tokamak — a doughnut - shaped reactor that uses a powerful magnetic field to confine plasma.
Basically, reversals are all about processes that are going on in the core not the rest of the Earth, which really doesn't care what the magnetic field looks like.Tawny as I say in my post, my theory» is that nothing particularly out of the ordinary is happening, with the die - offs or the magnetic field, whatever the buzz around these events.
Pannenberg understands spirit as «field,» a conception somewhat like the field theory introduced in 19thcentury science, which describes the interaction of material bodies in terms of interlocking networks called forces (e.g., magnetic fields).
In addition, because part of the inertia of a particle is due to the electromagnetic field around it, as you speed up such a particle the electric field produces a magnetic field, the changing magnetic field produces a back EMF, and this whole reaction of the field produces a resistance to acceleration.
That non-Markov machines exist is shown by a simple example: the magnetization of a piece of iron immersed in an oscillating magnetic field depends on the values of the external field in the past, as well as in the present.
He was interested primarily in simplicity and coherence — in particular, the symmetry of the forms of the equations for electrical and magnetic fields in motion.38 The variability of individual weighting among various criteria, which Kuhn describes, is also most noticeable in the early stages of a new theory.
I find myself being pulled toward the snack cabinet every time I get within ten feet of it, and then I have to hold my hands out and push against that darn magnetic field that's pulling me in.
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 inner region sends out clock - like pulses of radiation and tsunamis of charged particles embedded in magnetic fields.
They just put them in cages that simulated the magnetic field of Moscow, while still allowing the birds to experience the sun, stars and smells of the Baltic.
He won't be looking for elusive infrared photons, but instead will be taking rapid - fire images of plasma loops — coils of ionized gas trapped in billowing magnetic fields — arcing off the sun and peeking out from behind the moon.
Infrared light is a good probe of the magnetic field because stronger magnetic fields change the way light is emitted in that range.
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.)
Scientists had recently discovered that every 200,000 years, on average, churning in the hot liquid metal of Earth's outer core causes the planet's whole magnetic field to flip.
The island is one of the best places to peer into the history of Earth's magnetic field because its fluctuations are recorded in the ancient volcanic rock.
Bogue found records of two polarity reversals in these flows, giving him his first glimpse into the magnetic field's complex contortions during its flips, which he is still studying today.
Inside this shell is a ghostly blue glow that is radiation given off by electrons spiraling at nearly the speed of light in the powerful magnetic field around the crushed stellar core.
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.
A simulation of magnetic field turbulence can be seen in this image, created at the University of Chicago.
The variation of the field strength is only a few percent of the applied magnetic field strength for now, but this is a significant first step to overcome the problem of detaching the plasma from the MN in the plasma thruster.
«When we compared those predictions to MAVEN data on the directions of the Martian and solar wind magnetic fields, they were in very good agreement.»
Spinning neutron stars are the class of stars with the most powerful magnetic fields in the universe.
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.
Mars lost its global magnetic field billions of years ago and now just has remnant «fossil» magnetic fields embedded in certain regions of its surface.
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