The astronomers suggest that the orderly behaviour of the planetary nebulae could have been caused by the presence of
strong magnetic fields as the bulge formed.
Not exact matches
The Axion Dark Matter eXperiment, started at Lawrence Livermore National Laboratory before moving to the University of Washington, seeks the subtle signatures — just a trillionth of a trillionth of a watt — left by axions
as they're snagged by a
strong magnetic field.
Vacuum birefringence «can be detected only in the presence of enormously
strong magnetic fields, such
as those around neutron stars,» study co-author Roberto Turolla, a scientist at the University of Padua in Italy, said in the statement.
For example, scientists don't understand why the
magnetic field is
as strong as it is, or why the
field reverses polarity — the North Pole becomes the South Pole and vice versa — every several hundreds of thousands of years, briefly vanishing in between.
Neutron stars, the extraordinarily dense stellar bodies created when massive stars collapse, are known to host the
strongest magnetic fields in the universe —
as much
as a billion times more powerful than any human - made electromagnet.
In research machines such
as fusion reactors, scientists use
strong magnetic fields to confine plasma, but those
fields interfere with seeing what might happen during a natural dynamo.
Neutron stars, the extraordinarily dense stellar bodies created when massive stars collapse, are known to host the
strongest magnetic fields in the universe —
as much
as a billion times more powerful than any man - made electromagnet.
In a recent paper published in EPJ H, Fritz Wagner from the Max Planck Institute for Plasma Physics in Germany, gives a historical perspective outlining how our gradual understanding of improved confinement regimes for what are referred to
as toroidal fusion plasmas — confined in a donut shape using
strong magnetic fields — have developed since the 1980s.
Under these conditions, the liquid sodium is subjected to a
strong magnetic field and to fast rotation,
as would be expected in Earth's core, and undergoes both large - scale motion and random fluctuations.
The early Earth's
magnetic field is expected to have been about
as strong as it is today, or slightly weaker.
If you then apply a
strong vertical
magnetic field, the flowing electrons will experience a sideways shove that will cause them to crowd to the side of the bar
as they go so that a voltage develops across the width of the bar too.
To emulate a
strong magnetic field, the researchers created a non-planar arrangement of four mirrors that makes the light twist
as it completes a round trip.
If a neutron star is left, it may have a very
strong magnetic field and rotate extremely quickly, emitting a beam of light that can be observed when the beam points towards Earth, in much the same way
as a lighthouse beam sweeping past an observer.
Superconductivity and
magnetic fields are normally seen
as rivals — very
strong magnetic fields normally destroy the superconducting state.
But how they come together is of interest
as the particles first gather into a disorganized aggregated cluster and then into a crystal - like regimen
as the
magnetic field becomes
stronger.
Mercury, with a substantial iron - rich core, has a
magnetic field that is only about 1 percent
as strong as Earth's.
As expected, superconductivity is destroyed in the presence of very
strong magnetic fields (in the case of this material above 12 Tesla).
According to the most prevalent theory, the black hole and the gas disk are surrounded by a
strong magnetic field in which particles such
as electrons are accelerated to almost the speed of light.
It is probable that
strong magnetic fields, which accelerate the particles at right angles to the disk and into the jets, occur here
as well.
But Bignami's team calculated that the
magnetic field of 1E1207.4 - 5209 is one - thirtieth
as strong as it should be.
As they report online today in Nature Communications, superflares do seem to be produced by the same process, but they usually occur in stars with much
stronger magnetic fields than the sun's.
The resulting interaction converted
magnetic energy into kinetic energy and sent charged particles such
as cosmic rays raining down on Earth's magnetosphere, the region around Earth where its own
magnetic field is
stronger than other
magnetic fields in space.
These defects «pin» in place, or trap, the microscopic
magnetic vortices that form when the superconductor is placed in a
strong magnetic field, such
as those generated by magnets in
magnetic resonance imaging (MRI) machines.
For certain applications, there is indeed a desire for a kind of compensator, namely for a relatively low
magnetic flux to match conditions
as under very
strong fields.
Physicists had long suspected that the energy spectrum of an electron in a
strong magnetic field is, mathematically, a fractal known
as a Cantor set — a poser that came to be called the «10 - martini problem» after a bounty that was offered for its solution.
The device, known
as a transcranial
magnetic stimulator, is designed to send a
strong electric current through a metal coil, which creates an intense
magnetic field for about one millisecond.
Now the full effect has been observed, and it persists even when experimenters jiggle the strength of
magnetic or electric
fields — a robustness that provides even
stronger evidence that the experiment has captured a Majorana,
as predicted in careful theoretical simulations by Liu.
Scientists think the
stronger magnetic field would have kept more gasses in the atmosphere, just
as a
stronger magnet can hold more paper clips.
Additionally,
as this NASA press release details, Juno's observations reveal that Jupiter's
magnetic field — already known to be the most intense in the solar system — is even
stronger than previously estimated, and uneven, with lumpy areas of relative strength and weakness.
In the storage ring, the electrons are deflected from their trajectory by
strong magnetic fields to produce the extremely bright photons know
as synchrotron light.
There exist theories suggesting that
strong magnetic fields coupled with rapid rotation act
as whirling rotary blades to fling out the nearby gas.
With very
strong magnetic fields and very fast rotations, some neutron stars blast beams of electromagnetic radiation from their poles, and if Earth is in the path of those beams we can detect the signals
as regular «pulses» — hence the name pulsars.
Current - day Earth generates a
strong magnetic field capable of deflecting the majority of the stellar material flung at it through events such
as a coronal mass ejections.
The strength of the sun's
magnetic field is typically only about twice
as strong as Earth's
field.
NOAA's Space Weather Prediction Service, based in part on these observations, predicts
strong disturbances to Earth's
magnetic field on January 9 and 10
as energetic material from the flare passes by the Earth.
A second possibility is that,
as the dying star spins, its
strong magnetic fields are wound up into complex shapes like spaghetti in an eggbeater.
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.
Mariner 10 showed that Mercury has a
magnetic field that is 1 %
as strong as Earth's.
Loops of plasma are held in place by the sun's
strong magnetic fields, concentrated in active regions that are visible to the naked eye
as sunspots.
Indeed, sometime after the tenuous gas of the Solar nebula began collapsing into the proto - Sun within its host molecular cloud, a
strong magnetic field developed that was instrumental in transporting rotational energy away from its core region in bi-polar jets of gas so that centrifugal forces created by the nebula's collapse did not grow so much
as to halt continuing gravitational contraction.
For example, if a
magnetic field is
strong enough to attract or repel ions such
as sodium and chloride in the blood, these ions may eventually encounter the walls of the blood vessels, move more rapidly, and cause an increase in tissue temperature or an increase in blood flow.
When a molecule or compound with an unpaired electron is placed in a
strong magnetic field, the spin of the unpaired electron can align in two Another dating method using electron spin resonance (ESR)-- also known
as electron paramagnetic resonance (EPR)-- is based on the measurement of
As with any
magnetic field, the closer the market gets, the
stronger the
magnetic pull, and the more likely it is that the market will reach the target.
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.
As I posted previously, planetary
magnetic fields give us
strong evidence for a young solar system and a young earth.
Sunspots serve
as a proxy for solar
magnetic field strength — fewer or more sunspots with weaker or
stronger field respectively.
Your own 300 year long sunspot data (
as well
as those of Wang, Lean, and Sheeley) http://www.vukcevic.talktalk.net/TMC.htm also suggest that there is an (for some inconvenient) direct
strong link between solar activity and the Earth's
magnetic field change.