Sentences with phrase «magnetic field activity»

Every 11 years or so, the sun cycles from periods of high magnetic field activity to low activity and back again.

Not exact matches

In addition, we'll see auroral activity thanks to coronal holes — openings in the Sun's magnetic field that let its powerful solar wind escape into space.

Magnetoencelphalography, or MEG, is a technique that measures the tiny magnetic fields generated by brain activity.

Yellow lines represent magnetic field lines from the Sun carried by the solar wind, blue lines represent Martian surface magnetic fields, white sparks are reconnection activity, and red lines are reconnected magnetic fields that link the surface to space via the Martian magnetotail.

The activity twisted and contorted lines in the sun's magnetic field until they snapped and reconnected, triggering giga - lightning bolts that showered Earth's satellites 93 million miles away with X-rays and gamma rays.

The Sun's activity — including changes in the number of sunspots, levels of radiation and ejection of material - varies on an eleven - year cycle, driven by changes in its magnetic field.

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.

Structural magnetic resonance imaging (MRI), which measures the anatomy and structural integrity of the brain, and magnetoencephalography (MEG), which measures magnetic fields created by the brain's electrical activity, were used to track potential age - related differences as groups of younger and older adults performed a memory task.

In 2015, NASA launched the Magnetospheric Multiscale spacecraft to study the mysterious interactions between Earth and the solar wind when our planet's magnetic field lines occasionally break and reconnect, which also affects auroral activity.

The tools involved range from electrodes and optical fibres to magnetic fields and sound waves, but they all give neuroscientists the power to fine - tune the brain's activity, making them computer hackers of the mind.

In a bid to determine the regions of the brain concerned with these memorization difficulties, the researchers conducted magneto - encephalographs (a technique that allows very weak magnetic fields produced by neural activity to be measured at the surface of the head) on a group of amusics while they were performing a musical task.

The famous sunspots on the surface of the Earth's star result from the dynamics of strong magnetic fields, and their numbers are an important indicator of the state of activity on the Sun.

Subjects» neural responses to sound were measured using MEG, which records fluctuations in magnetic fields caused by neural activity.

Watching the sun in ultraviolet wavelengths of light from space — above our UV light - blocking atmosphere — reveals constant activity, including bursts of light, particles, and magnetic fields.

Using functional magnetic resonance imaging — a technique that monitors brain activity in real time — the Johns Hopkins group found reversing a decision requires ultrafast communication between two specific zones within the prefrontal cortex and another nearby structure called the frontal eye field, an area involved in controlling eye movements and visual awareness.

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.

Knowing Earth's core temperature is key to understanding the planet's internal processes, particularly its magnetic field and geothermal activity, explains research team leader Simone Anzellini of the French Alternative Energies and Atomic Energy Commission.

By several measures — geomagnetic activity, weakness of polar magnetic fields, flagging solar deflection of galactic cosmic rays — the minimum was the deepest on record, Hathaway said, although some of those records contain just a few cycles.

Since the brain operates electrically, one can, by sensing the magnetic fields created by neurological currents, monitor the activity of the brain — or the heart.

The level of activity of these magnetic fields is constantly shifting in a way that varies from one star to another.

Nicole Prause at the University of California, Los Angeles, and her team wondered whether transcranial magnetic stimulation (TMS)-- applying a magnetic field to the brain to boost or lower the activity in a particular spot — could alter someone's sex drive.

This period covers three of the Sun's 11 - year activity cycles, which see fluctuations in the rate at which energetic particles are created by the interaction between the Sun's magnetic field and its hot, highly charged outer layers.

Gow's method of investigating how the human brain perceives and distinguishes among elements of spoken language combines electroencephalography (EEG), which records electrical brain activity; magnetoencephalograohy (MEG), which the measures subtle magnetic fields produced by brain activity, and magnetic resonance imaging (MRI), which reveals brain structure.

But mole rats that built nests within changing magnetic fields showed strong activity in a brain region called the superior colliculus, which collects spatial cues and directs orienting behavior.

Scientists suspect that's because as the sun ramps up its activity, its strengthening magnetic field lets the streamers stretch farther out into space.

This synthetic combination turns on only when in the presence of a magnetic field, allowing them to control neuronal activity in the brain.

The magnetic field is of particular interest to scientists since it is ultimately responsible for all of the dynamic activity we see on our closest star.

After all, the implied changes in GCR flux are huge compared to what is expected from the gentle modulation of the Earth's magnetic field arising from recent solar activity changes (not that there's any trend in those that would explain recent warming).

So more solar activity means a stronger solar magnetic field, which means fewer GCRs reaching Earth, which hypothetically means fewer clouds and more warming.

Newly designed sensors detect the magnetic fields generated by electrical activity within cat brains.

Any solar effect (either direct or indirect) which is correlated to solar activity (i.e. solar irradiance, solar magnetic field [and thus galactic cosmic rays], ultraviolet [UV] radiation, etc.) is accounted for in the linear regression.

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.

Solar magnetic field strength correlates strongly with other solar activity, such as TSI and sunspot number.

The good news: The scientists argue that the minimum magnetic field strength will change depending on the M - dwarf's spectral type, as well as on stellar activity and stellar magnetic field strength changes.

Seeing deep within the gas giant of Jupiter, Saturn, Uranus, and Neptune is impossible with optical telescopes, but magnetic fields are usually a product of a warm, moving core, so they are a good guide to structures and activities within planets.

The study does not address whether Proxima Centauri's activity cycle would affect the potential habitability of the planet Proxima b. Theory suggests that flares or a stellar wind, both of which are driven by magnetic fields, could scour the planet and strip away any atmosphere.

The piece de resistance of Courtillot et al., is the following graph, which purports to show that for almost all of the past century, temperature correlates tightly with solar activity and magnetic field variability.

Sunspots are the centers of intense localized magnetic fields and represent the most obvious manifestations of solar activity.

A reaction caused by the activity of electrons in the particles energized by the sun increases the nanoparticles» magnetic field strength by up to 100 times, enough to break up pollutant particles in the air.

The solar magnetic field is closely linked to solar activity.

Heliophysics encompasses cosmic rays and particle acceleration, space weather and radiation, dust and magnetic reconnection, solar activity and stellar cycles, aeronomy and space plasmas, magnetic fields and global change, and the interactions of the solar system with our galaxy.»

The good correlation with solar activity may be caused by the interaction between solar wind intensity and the earth's magnetic field, but that is the opinion of Moerner.

I quote the whole paragraph here: «Solar magnetic field strength correlates strongly with other solar activity, such as TSI and sunspot number.

I guess it must only be a coincidence that the sun's large scale magnetic field has doubled in the last 100 years and that the solar activity is the highest in the last 8000 years.

Comparison of TSI with other activity parameters indicates that only the open solar magnetic field,, observed from satellites at 1 AU show a similar long - term behaviour.

Key words: Sun: activity / sunspots / Sun: UV radiation / Sun: faculae, plages / Sun: magnetic fields / Sun: photosphere

Solar» activity» encompasses changes in solar magnetic field strength, IMF, CRF, TSI, EUV, solar wind density and velocity, CMEs, proton events etc..

We show that the index commonly used for quantifying long - term changes in solar activity, the sunspot number, accounts for only one part of solar activity (William: Closed magnetic field) and using this index leads to the underestimation of the role of solar activity in the global warming in the recent decades.

... The geomagnetic activity reflects the impact of solar activity originating from both closed and open magnetic field regions, so it is a better indicator of solar activity than the sunspot number which is related to only closed magnetic field regions.

Solar activity refers to the activity of the sun's magnetic field.