At Uranus, Voyager 2 found that the planet's
magnetic field points sideways, indicating an internal configuration utterly unlike any other planet's.
In general, if the charged particles from a CME hit Earth's magnetosphere head on and the ejection has a strong
magnetic field pointing south, then the disruptive effects are greater, Gombosi says.
In a section lying beneath the southern tip of Africa,
the magnetic field points toward the center of the earthopposite to the dominant outward - pointing field of the Southern Hemisphere.
Not exact matches
The company has developed a machine that uses electricity to print the
magnetic equivalent of pixels on a surface — complex patterns of north and south polarity
points — allowing precise control over the topology of the
magnetic fields.
The company's mobile payment solution takes a two - pronged approach by combining a near -
field communication (NFC) chip with the
magnetic secure - transmission technology it acquired from LoopPay to transmit payment information between your device and a
point - of - sale terminal.
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.
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.
The
magnetic field that surrounds Earth not only dictates whether a compass needle
points north or south, but also protects the planet from harmful radiation from space.
Now, instruments on the other side of the probe will be
pointed at the moon and be used to measure
magnetic fields and particles above these fissures.
But Michilli
points out that in order to drive such strong
magnetic fields, the supernova remnant would have to be a million times brighter than even the brightest remnant in the Milky Way, the Crab nebula (SN: 1/1/11, p. 11).
In the simplest models of reversals, the Earth's
magnetic field behaves like a bar magnet that
points roughly along the planet's axis of rotation.
By applying a
magnetic field to semiconducting nanowires laid across a superconductor, you can move electrons along these wires, creating two
points in space that each mimic half an electron.
The mission of the Explorer was to study solar wind, and it needed to do that from a vantage
point free from the influence of Earth's
magnetic field: the distant L1 halo orbit was a perfect spot.
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.
Magnetized lunar material toted back during the Apollo missions established that the moon at some
point had a
magnetic field.
The bright bluish areas to the left and right are the
points closest to and farthest from Jupiter; electricity generated by Jupiter's
magnetic field arcs to Io's surface, passes through the moon, and shoots out the other end.
Dessler says that all these signs might
point to a single poorly understood connection between the farthest reaches of the magnetosphere and features of the
magnetic field near Jupiter's surface.
Researchers apply current pulses in a
magnetic field to boost the
magnetic ordering, that is, the number of nanoclusters
pointing in the same direction.
The Juno team discovered that very close to the planet, Jupiter's
magnetic field, its auroras and its gravitational
field (that is, the characteristics of the planet's gravity at different
points in space) all provided surprises.
Now, a study in mice
points to a less invasive way to massage neuronal activity, by injecting metal nanoparticles into the brain and controlling them with
magnetic fields.
Travis Horton at the University of Canterbury, New Zealand, plotted the migratory tracks from each species over a detailed
magnetic map of Earth, which shows how the
magnetic field's inclination and declination — the angular difference between the
field lines and true north — vary from
point to
point.
As Tarduno
points out, it is only speculation because weakening
magnetic fields can recover without leading to a reversal of the poles.
Tarduno
points out that the new data can not be used to predict with confidence that the present - day
magnetic field is entering a reversal.
At high temperatures, the jiggling atoms
point in random directions and their
magnetic fields cancel one another.
Every now and then the earth's
magnetic field, which here
points north and down, would reverse and
point south and up, all due to the convection of the liquid outer core of the earth.
The giant blue - green planet visited last January by Voyager 2 has one pole
pointing toward the sun, and its
magnetic field is askew.
Eccentric means the focal
point of the rotating
magnetic field is not the center of a colloid but moves around its circumference.
At this
point, however, the atoms are cold enough that they can be confined by
magnetic fields.
«The study highlights the intriguing process that can occur in the magnetosphere when the interplanetary
magnetic field of the solar wind
points northwards,» adds Philippe Escoubet, ESA's Cluster project scientist.
They
pointed out that if
magnetic or electric
fields that varied over space were applied to atoms, the scattering force caused by the laser light would not necessarily be proportional to the light intensity.
And they replicated the
magnetic fields of Puerto Rico and the Cape Verde Islands, two
points along the turtles» migration, with equal latitudes but different longitudes.
A study led by a researcher at the IAC and published today in Nature Astronomy
points to the role of the
magnetic field as responsible for decelerating the formation of massive stars in the center of galaxies.
This consists of a tunnel that transfers the
magnetic field from one
point to the other while keeping it undetectable — invisible — all the way.
The overall effect is that of a
magnetic field that appears to travel from one
point to another through a dimension that lies outside the conventional three dimensions.
Geographer James Cheshire and designer Oliver Uberti worked with researchers and wildlife experts to collect billions of data
points, taken from digital tags on humpback whales,
magnetic fields tracking badgers, QR codes mapping an individual ant, and more.
Study
points to the role of the
magnetic field as responsible for decelerating the formation of massive stars in the center of galaxies.»
Most computers manipulate information in the form of bits, 1s and 0s, which are stored as high and low voltages or as north - or south -
pointing magnetic fields in your PC.
With a grid of electric coils, they simulated
magnetic fields found at three critical
points in the turtles» migratory routes.
Scientists believe these bright
points to be signs of what's called
magnetic flux tubes, which are the building blocks of the sun's
magnetic field.
«These data recover the well - known solar 5 - minute oscillation at a peak of 3 mHz (5.5 min) from the disk - averaged light with a radial - velocity amplitude of only 47 cm / s, an incredibly small velocity from a stellar
point of view», says Prof. Strassmeier, PEPSI principal investigator and director of the Cosmic
Magnetic Field branch at the Leibniz Institute for Astrophysics Potsdam (AIP).
Examples include making sure that the spacecraft has no stray
magnetic fields that are large enough to keep us from accurately measuring the Martian and interplanetary
fields, and making sure that the
pointing of the mass spectrometer is sufficiently precise and accurate that the molecules will stream straight in through the inlet port when we're making measurements.
Astronomer Martin Harwit, former director of the National Air and Space Museum in Washington, D. C.,
points out that if this were true, the vast energy, angular momentum, and
magnetic fields generated by each collapse would be clearly visible — but they are not.
In contrast to charged particles, deflected in galactic and extragalactic
magnetic fields, neutral particles such as neutrinos, neutrons, or photons
point back to their production site.
In an interview with New Scientist, the researchers
point out that LSR J1835 +3259 is very young (approximately 20 million years old) and the powerful
magnetic field could be interacting with the object's protoplanetary disk (if it has one).
Our polarization measurements of near - infrared
point sources indicate a well - ordered global
magnetic field that is perpendicular to the main filament, implying that the
magnetic field is likely to have controlled the formation of the main filament.
If the Sun's
magnetic field tilts south near the magnetopause, it can partially cancel Earth's
magnetic field at the
point of contact.
As The Atlantic correctly
pointed out, Earth already has its own, natural protective bubble — the magnetosphere, a region of space that surround the planet in which its
magnetic field controls the charged particles found nearby.
He adds: «At this
point, hydrogen becomes conductive enough to be dragged into the near - uniform rotation by the planet's powerful
magnetic field.»
Satellites stationed at geosynchronous orbit and at the first Lagrangian
point measure charged particles and the solar and interplanetary
magnetic fields.
But I think it is wrong As I understand things, Svensmark's
point relates to the strength of the sun's
magnetic field.