Sentences with phrase «magnetic field data»

The authors thank the Institutes that operate the observatories which provided data for this study; they also acknowledge the WDC for Geomagnetism for the magnetic field data and the SYM - H index.
«The magnetic field data showed the typical signature of a current sheet crossing.
The authors utilize line - of - sight (LOS) magnetic field data and spectral line information obtained by the Helioseismic and Magnetic Imager (HMI) instrument aboard the Solar Dynamics Observatory (SDO).
Scientists have long suspected that the network of cracks in Europa's ice sheet could indicate a large volume of water underneath, and recent analysis of magnetic field data from the Galileo probe seems to confirm there is a salty ocean down there.
The model was obtained with the help of magnetic field data measured at the Sun's surface and a high resolution adaptive calculation method.
But the magnetic field data gathered by the spacecraft was not what scientists had expected to see.
Planetary theorist David Stevenson of the California Institute of Technology in Pasadena agrees that the best explanation for the magnetic field data is a deep layer of salty water.

Not exact matches

NASA uses a technique called data sonification to take signals from radio waves, plasma waves, and magnetic fields and convert them into audio tracks to «hear» what's happening in space.
These last passes will reveal new data about Saturn, its atmosphere and clouds, the materials making up its rings, and the mysterious gravity and magnetic fields of the gas planet.
Each bit is encoded using the magnetic field of a single atom — making for extremely compact data storage, although researchers have stored only two bits of data so far.
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.
«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.»
They plan to examine data from other instruments on MAVEN to see if escaping particles map to the same regions where they see reconnected magnetic fields to confirm that reconnection is contributing to Martian atmospheric loss and determine how significant it is.
Extensive MAVEN data on the Martian magnetic field allowed the team to be the first to confirm this.
They also will gather more magnetometer data over the next few years to see how the various surface magnetic fields affect the tail as Mars rotates.
Using new data gathered from sites in southern Africa, University of Rochester researchers have extended their record of Earth's magnetic field back thousands of years to the first millennium.
When Gubbins aligned his historical data with current measurements from more than 200 magnetic observatories scattered across the globe, he came to a clear, if unsettling, conclusion: In the last 140 years, the magnetic field has been fading at an accelerating rate.
The team analysed data gathered over seven years by the international Cassini probe, and found that the interactions between Titan's atmosphere, and the solar magnetic field and radiation, create a wind of hydrocarbons and nitriles being blown away from its polar regions into space.
In order to put these relatively recent changes into historical perspective, Rochester researchers — led by John Tarduno, a professor and chair of EES — gathered data from sites in southern Africa, which is within the South Atlantic Anomaly, to compile a record of Earth's magnetic field strength over many centuries.
At that temperature, each molecule can maintain its polarization, which denotes whether the data is represented by a 0 or a 1, without needing a magnetic field.
But now a researcher responsible for that finding has new data showing the magnetic field is far older.
The GPS data, which dates from December 2000, fill a hole in studies of space weather, the complex interplay of Earth's magnetic field with bombarding radiation from cosmic rays and the sun.
We're just getting data - driven models, the first - generation models of how Earth's magnetic field reacts to the sun.
It monitors changes in Earth's magnetic field, providing data that help NOAA and the U.S. Air Force track magnetic storms due to solar activity.
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.
The simulations, which incorporate data from Voyager 1, show that the interaction of the magnetic fields from the sun and interstellar space squish the solar wind into two jets — what might be observed as two short tails.
The data enabled the researchers to show that turbulent motion increases the fluid's ability to conduct electricity and therefore amplifies the magnetic field, rather than reducing it as earlier experiments had appeared to show.
The garments still stored data after washing, drying and ironing, but they could not escape time's eraser; after about a week, the threads» magnetic fields had weakened by around 30 percent.
The data support the idea that the magnetic field originates from circulating electric currents in one of the planet's outer layers of molecular hydrogen.
«One thing that's very confusing is the fact that there's a magnetic pole and a geomagnetic pole and that they're different,» says Stefan Maus, a geomagnetic field modeler at the National Oceanic & Atmospheric Administration's (NOAA) National Geophysical Data Center.
Data from Voyager 1 show that the interstellar magnetic field beyond the heliosphere is stronger than scientists previously thought, meaning it could interact with the solar wind at the edges of the heliosphere and compact the heliosphere's tail.
Uranus» magnetosphere wasn't discovered until 1986, when data from Voyager 2's flyby revealed weak, variable radio emissions and confirmed when Voyager 2 measured the magnetic field directly.
Astronomical observations aren't detailed enough to settle the argument, and computer models require a complex mix of data from general relativity, plasma physics, and magnetic fields.
Twelve scientific divisions are investigating confinement of high - temperature hydrogen plasmas in magnetic fields, heating of plasmas, plasma diagnostics, magnetic field technology, data acquisition and processing, plasma theory, materials research, plasma - wall interaction, and systems studies.
Because of the high magnetic field required to produce the magnetoresistance effect, Kobayashi says, the material isn't ready to be used in data storage devices.
The probe is gathering data on the mineral and chemical composition of Mercury's surface, its magnetic field, its surface topography and its interactions with the solar wind.
University of Utah physicists read the subatomic «spins» in the centers or nuclei of hydrogen isotopes, and used the data to control current that powered light in a cheap, plastic LED — at room temperature and without strong magnetic fields.
Qiugang Zong, of the University of Massachusetts Lowell, led a team of physicists who analyzed data from the European Space Agency and NASA's Cluster spacecraft, four satellites situated at the edge of Earth's magnetic field.
«First measurements taken of South Africa's Iron Age magnetic field history: Ancient ritualistic village burnings opened the door to data collection.»
Tarduno and his team wanted hard data on both the intensity and direction of the magnetic field, which are recorded and stored in minerals, such as magnetite, at the time they were formed.
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.
The Compass network takes data from 16 magnetic field sensors in the chamber and has four «neurons» which decide how to set the magnetic fields.
AMPERE took a major step toward real - time measurements in August when Boeing created a new data pathway for transferring AMPERE magnetic field samples from Iridium's satellites at a rate of every two to 20 seconds.
One application is magnetic resonance imaging (MRI) where one would aim to apply even stronger magnetic fields to achieve sharper images and faster data acquisition.
The data supports a theory, first proposed in the late 1970s, that has been bolstered by increasing evidence over the past 10 to 15 years — that birds collect magnetic - field information through specialized receptors in the eye.
While Ritz calls the new study «interesting» and «really necessary,» he also emphasizes that the new data correlate vision with magnetic - field sensing rather than absolutely defining the neural pathway.
«For example, when we move a sample through a time - dependent magnetic field, we can determine the system's susceptibility towards the magnetic field through the measurement data and thereby detect and quantify internal entanglement,» explains Hauke.
The data suggest that in the chromosphere magnetic field lines break and reconnect to generate the heat and drive the electrons up into the loops, Aschwanden says.
Single molecules don't tend to keep their magnetic direction unless they're held in a magnetic field, making them poor choices for data storage.
The bitter truth is that the new Europa mission, even if it reaches its destination, survives the onslaught of the magnetic field, and successfully returns new data, may still not lay to rest the question of the probability of life.
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