Sentences with phrase «part of the magnetic field»

Right now, the main part of the magnetic field is declining quite rapidly.

Not exact matches

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.
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.
China's second moon probe is parked at a stable spot in deep space, called a Lagrangian point, as part of a new mission to study the sun and Earth's magnetic field.
As part of a field called «archaeomagnetism,» geophysicists team up with archaeologists to study the past magnetic field.
And in particularly in his latter part of his career, I mean the stuff that he was doing for example on magnetic mono poles still not verified, that's an absolutely beautiful piece of science; fundamental today in the way that quantum, advanced quantum field theory is done.
«The sensors can detect disturbances in the surrounding magnetic field, including the magnetic field above them, with a range extending several metres,» adds research assistant Haibin Gao who is working on the sensor technology as part of Hartmann's team.
According to theory, these fields can funnel part of the star's energy back onto the surface, creating hot spots near the magnetic poles.
When a CME reaches Earth, its embedded magnetic fields can interact with Earth's natural magnetic field — called the magnetosphere — sometimes compressing it or even causing parts of it to realign.
Now new research shows that these eruptions on the sun's surface not only send bursts of energetic particles into Earth's atmosphere causing disturbances in the magnetic field, but they may also significantly decrease the number of free electrons over large areas in the polar region of the ionosphere — the ionized part of the upper atmosphere.
He had a hunch those swirls were part of a bigger structure, and a computer simulation proved him right: In aggregate, the swirls could twist the sun's magnetic field, causing it to launch a huge spinning funnel of gas.
For example, in transcranial magnetic stimulation, a magnetic field is passed over the scalp above this part of the brain; a similar study could explore whether this technique could be made more effective.
Mercedes Lopez - Morales, an astronomer at the Harvard - Smithsonian Center for Astrophysics, has modeled the possibilities of magnetic fields around red dwarf planets, and a picture is gradually emerging: The planets likely form in the outer parts of their solar systems and migrate in.
«We always knew the magnetic field was important but we never quite knew how strong to dial it in in our models,» says theoretical astrophysicist Christopher Reynolds of the University of Maryland, College Park, who was not part of the study.
That part of Africa belongs to a region called the South Atlantic Anomaly — extending west beyond South America — that today has an unusually weak magnetic field strength.
Some of the magnetic resonance scans were performed in Vienna (Centre of Excellent, High - Field MR, Department of MR Physics, Head: Ewald Moser) and some as part of an EU project (Institute of Psychiatry, London, Head: Gunther Schumann).
Researchers have long known that migratory birds receive information about magnetic fields from a part of their upper beak called the magnetite receptor, which contains iron - based magnetic crystals.
It will measure magnetic fields and plasma particles as part of a study of the composition of the Martian atmosphere.
If such a particle is placed in a magnetic field whose strength varies from region to region, it will move toward the weakest or strongest part of the field, depending on the particle's orientation [see illustration on next page].
Part of the problem is that magnetic fields can pass through biological tissues without being altered, so the sensors could, in theory, be located in any part of the bPart of the problem is that magnetic fields can pass through biological tissues without being altered, so the sensors could, in theory, be located in any part of the bpart of the body.
Rapid reversals of Earth's magnetic field 550 million years ago destroyed a large part of the ozone layer and let in a flood of ultraviolet radiation, devastating the unusual creatures of the so - called Ediacaran Period and triggering an evolutionary flight from light that led to the Cambrian explosion of animal groups.
As part of the mission, Juno will investigate Jupiter's relationship with the Sun and the solar wind by studying its magnetic field, magnetosphere and aurora.
A recent study detected the emergence of small - scale magnetic fields in the lower part of the sun's corona that may act as precursors to a flare.
This interactive zone may be the most dynamic part of the planet, directly affecting the earth's rotation and magnetic field
The Sun may be playing a part in the generation of lightning strikes on Earth by temporarily «bending» the Earth's magnetic field and allowing a shower of energetic particles to enter the upper atmosphere.
Geoscientists can spend a large part of their time in the field, identifying and examining rocks, studying information collected by remote sensing instruments in satellites, conducting geological surveys, constructing field maps, and using instruments to measure Earth's gravity and magnetic field.
«The science from these recent observations is really interesting and what we've learned about the magnetic field is just the first part of it,» Catherine Johnson, a planetary scientist at the University of British Columbia in Vancouver and lead author of the study, said in a statement.
Another technique dubbed magnetoencephalography (MEG) maps magnetic fields in the brain produced by electrical signals; a similar approach, transcranial magnetic stimulation (TMS), selectively stimulates parts of the brain and is already being used to treat severe depression, migraine headaches and other conditions.
The global magnetic field appears to be curved in the southern part of the main filament.
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.
These kinks and twists in the magnetic field develop because the sun spins more rapidly at the equator than at the higher latitudes and because the inner parts of the sun rotate more quickly than the surface.
The vast majority of the 100,000 stars observed to experience the flare events as part of the study boast a magnetic field significantly stronger than our Sun.
«The polarization of the waves coming from the background quasar, combined with the fact that the waves producing the two lensed images traveled through different parts of the intervening galaxy, allowed us to learn some important facts about the galaxy's magnetic field,» said Sui Ann Mao, Minerva Research Group Leader for the Max Planck Institute for Radio Astronomy in Bonn, Germany.
Satellites have been mapping the upper part of the Earth's magnetic field by collecting data for three years and found some amazing features about...
This, scientists say, is potentially very good news, as we could use the barrier to protect Earth from extreme space weather resulting from events like coronal mass ejections — huge explosions on the sun, where plasmas and magnetic field are ejected from its corona, the outermost part of its atmosphere.
Dog MRI equipment generates a very powerful magnetic field, resulting in detailed anatomic images of whatever part of a dog's body is being scanned.
This is in part because the equipment runs as much as $ 1 million to buy and needs to be stored in a specially housed area to protect the rest of a veterinary hospital from its strong magnetic field.
Although I did not have the time to study all details of the document, I noticed that already in the very first part of this document an incorrect statement is given about the solar magnetic field.
We show that the index commonly used for quantifying long - term changes in solar activity, the sunspot number, accounts for only one part of solar activity (William: Closed magnetic field) and using this index leads to the underestimation of the role of solar activity in the global warming in the recent decades.
Leave alone — no natural variability Add some GHG above — I'll leave that to AGWs (it will not make any difference, but let's be tolerant of the CO2 nonsense) Now to the important part: Stir for 5 min (interaction of the solar and Earth's magnetic field), the pot's Surface Temperature changes (SST - AMO) Leave alone for 5 min — the pot's ST slowly reverts back Result — Sun - Earth natural variability drives the AMO http://www.vukcevic.talktalk.net/GSC1.htm
I have in the past (1970s) had a small part in reviving the field of sun - weather - climate research, see e.g. — Solar Magnetic Sector Structure: Relation to Circulation of the Earth's Atmosphere Wilcox, John M.; Scherrer, Philip H.; Svalgaard, Leif; Roberts, Walter Orr; Olson, Roger H. Science, Volume 180, Issue 4082, pp. 185 - 186 — Influence of Solar Magnetic Sector Structure on Terrestrial Atmospheric Vorticity.
In the absence of some large change in the short period of the last two or six or eight or eighteen - hundred years in Earth's -LCB- orbit, core, magnetic field, insolation, axial tilt, etc -RCB-, there's a simple explanation for any part of the behavior that is actually due to anything other than noise et al..
Including what will be the effect of having powerful electro - magnetic fields so close to beaches, especially if sharks are attracted to such fields as part of their predatory nature?
Similarly when the molecule is hit by a magnetic wave it will not reach its full kinetic and radiative potential until all its parts are moving in such a way as to propagate a field of disturbance equal to the constant of the energy input over time.
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