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.