Sentences with phrase «of the magnetic field at»

Although that's only about 2 % of the magnetic field at the surface of Earth, it's still surprisingly large, Falcke says.

For reasons we don't entirely understand yet, Mars lacks this protection and possesses only remnants of a magnetic field at its polar ice caps.

The research activity of our group «Interstellar Medium: star and planet formation» is focused in the early stages of the star and planet formation process, with special emphasis on the role of magnetic field at different scales.

The orientation of the twist of the magnetic field at low heights turned out to be the same as that of the flows below the solar surface for four of the six regions.

b) Periodic oscillation (Cosine function) as a component of the magnetic field at Earth's core derived from data by Andrew Jackson (ETHZ) and Jeremy Bloxham (Harvard University) Both sets of data are widely available to anyone.

Not exact matches

He never lost his sense of wonder at the magic of nature's phenomena - magnetic fields, gravity, inertia, acceleration, light beams - which grown - ups find so commonplace.»

For a glimpse of what Earth might be like without its protective magnetic shield, we have only to look at the lifeless surfaces of worlds with anemic magnetic fields, like Mars and Venus.

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.

At the same time, geological clues show that the magnetic field has existed for most of Earth's 4.5 - billion - year history.

A simulation of magnetic field turbulence can be seen in this image, created at the University of Chicago.

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.

Scientists use models of Earth's structure and measurements of Earth's magnetic field taken at USGS observatories (https://geomag.usgs.gov/monitoring/observatories/) to determine which sections of the electrical grid might lose power during a geomagnetic storm.

Artist's conception of the complex magnetic field environment at Mars.

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.

«It's not like the magnetotail found at Venus, a planet with no magnetic field of its own, nor is it like Earth's, which is surrounded by its own internally generated magnetic field.

Although the stretch of the magnetic field has been thought to occur when the plasma flow reaches a specific velocity called the Alfven velocity, the experiment shows that it actually occurs at a slower velocity than expected.

Since Mars has a patchwork of surface magnetic fields, scientists had suspected that the Martian magnetotail would be a complex hybrid between that of a planet with no magnetic field at all and that found behind a planet with a global magnetic field.

Radu Coldea of the University of Oxford and colleagues applied a powerful magnetic field to a crystal of cobalt and niobium at 0.04 kelvin.

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.

The innermost region of the Earth's outer core periodically flows faster or slower, and this action «tugs» at the planet's magnetic field, says Gillet.

Rim Fares at the Paul Sabatier University in Toulouse, France, and colleagues, studied light from the star Tau Boötis to deduce the strength and orientation of its magnetic field.

At the center of the room sat a one - ton, six - foot - tall machine resembling a huge hair dryer that contained scanners capable of recording the minute magnetic fields produced by the firing of neurons.

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.

The ripples spreading out below the pulsar like waves on a lake show where streams of electrons and positrons, shooting away from the pulsar at nearly the speed of light, begin to bunch up along the pulsar's changing magnetic field.

«When you burn clay at very high temperatures, you actually stabilize the magnetic minerals, and when they cool from these very high temperatures, they lock in a record of the Earth's magnetic field,» Tarduno says.

The poles have never completely reversed since, but for the past 160 years, the strength of the magnetic field has been decreasing at an alarming rate.

The signal travels between the wires because the magnetic field formed by the first wire — the transmitter — creates an electric field in space, which in turn creates a magnetic field, and so on, moving outward at the speed of light.

John Tarduno, a geophysicist at the University of Rochester and a leading expert on Earth's magnetic field, and his team of researchers say they believe the Earth's magnetic field is at least four billion years old.

That model assumes that relativistic jets store energy primarily in the form of hot matter (plasma) and less in the form of magnetic fields generated by shock waves at the front of the jets.

The team measured the hardness of the beta form of the crystal in conjunction with colleagues at Texas A&M University's Turbomachinery Laboratory and at the National High Magnetic Field Laboratory at Florida State University, Morosan and Svanidze also performed other comparisons with titanium.

The earth's magnetic field is created by electric currents in an ocean of molten iron at its core.

«We now know that the lack of a protective magnetic field and the differing planetary rotation rates also play a role in ensuring that many of the atmospheric processes we observe on Earth occur at a much faster rate on Venus.

The latest observations, reported online January 10 in Nature and at a meeting of the American Astronomical Society, suggest the bursts are coming from an environment with an unusually strong magnetic field.

Bursters, says Coleman Miller, an astrophysicist at the University of Chicago, are neutron stars that have weaker magnetic fields than pulsars — although still a hundred million or a billion times stronger than Earth's.

The parallel sheets of incoming and outgoing current force the electrons to emit coherent, laserlike radiation at radio wavelengths as they spiral along the planet's magnetic field lines, Ergun says.

Analysis of a relatively young rock collected by Apollo astronauts reveals the moon had a weak magnetic field until 1 billion to 2.5 billion years ago, at least a billion years later than previous data showed.

Huge swirls at the edge of Mercury's magnetosphere — where the planet's magnetic field meets the energetic charged particles of the solar wind — help shower the planet in solar plasma.

«Both are symptoms of tiny rearrangements of the magnetic field — magnetic reconnection,» says solar physicist Craig DeForest, also at the Southwest Research Institute.

A team of metrologists scanned the plasma containment chamber, or stellarator (as in, «this thing works like a star»), that uses magnetic fields to confine the super-hot plasma within the reactor at the Princeton Plasma Physics Lab in sections, then stitched more than 20 of them together in a seamless mosaic.

At any moment the great cocoon of unseen magnetic fields and particle radiation that surrounds Earth and all other major planets is going to experience a change of polarity

When small, iron - rich particles are melted and then cooled, they record the presence of any magnetic field that may be present at the time.

Instead of the relatively stable environment that was expected at the brink of interstellar space, the Voyagers have encountered what some scientists have described as a «magnetic jacuzzi,» a region where the sun's magnetic field appears to be ripping apart and reconnecting, forming bubbles millions of miles across.

Samples of isolated magnetosome chains were analysed at BESSY II to investigate the relative orientation between the chain's direction and the magnetic field generated by the magnetosomes.

When astronauts are outside of Earth's magnetic field, spaceships provide only limited shielding from radiation exposure, explains study leader Robert D. Hienz, Ph.D., an associate professor of behavioral biology at the Johns Hopkins University School of Medicine.

For about a minute, running on half a hair dryer's worth of power, the orbiter - cum - probe beamed direct measures of the planet's atmosphere, along with final probes of its gravity and magnetic field, to mission control at the Jet Propulsion Laboratory (JPL) in Pasadena, California.

Arnd Pralle, a physics researcher at the State University of New York at Buffalo, has developed a technique for employing magnetic fields to heat up nanoparticles that have been implanted in neurons.

Having previously found that molecules called cryptochromes embedded in birds» retinas both respond to light and detect magnetic fields, scientists at the University of Oldenburg in Germany recently showed that avian brains incorporate clever mechanisms for processing the geomagnetic information.

«The use of a radiofrequency - driven magnetic field is a big advance in remote gene expression because it is non-invasive and easily adaptable,» says Dordick, who is Howard P. Isermann Professor of Chemical and Biological Engineering and vice president of research at Rensselaer.

«Magnetic fields are interesting for a variety of reasons,» said Prof. Dr. Volker Springel, professor and researcher at the Heidelberg Institute for Theoretical Studies and principal investigator on the project.

At the extreme, a planet without a magnetic field could lose most of its atmosphere.