Popular Magnetosphere News and Current Events

Popular Magnetosphere News and Current Events, Magnetosphere News Articles.
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NASA confirms re-discovered IMAGE satellite
The identity of the satellite re-discovered on Jan. 20, 2018, has been confirmed as NASA's IMAGE satellite. (2018-01-31)

All missions on board for NASA heliophysics research
Scientists have been studying the near-Earth environment for the better part of a century, but many mysteries -- like where the energetic particles that pervade the area originate and become energized -- still remain. In a new type of collaborative study, scientists combined data from 16 separate NASA and Los Alamos National Laboratory spacecraft to understand how a particle phenomenon in the magnetic environment around Earth occurs. These events, called substorms, can cause auroras, disrupt GPS communications and, at their most intense, damage power grids. (2017-11-27)

NASA mission uncovers a dance of electrons in space
NASA's MMS mission studies how electrons spiral and dive around the planet in a complex dance dictated by the magnetic and electric fields, and a new study revealed a bizarre new type of motion exhibited by these electrons. (2017-05-18)

Kazan University puts forth ideas on the nature of dark matter
As we currently know, dark energy and dark matter comprise 96 percent of the total mass of the Universe. Two main hypotheses about the nature of dark matter are presently debated. One of them posits that dark matter consists of massive compact halo objects, the other ascribes this property to weakly interacting mass particles. (2019-02-05)

Pulsating Aurora mysteries uncovered with help from NASA's THEMIS mission
The precise mechanism driving pulsating auroras, long unknown, has now been identified with help from NASA's THEMIS mission. (2018-02-20)

Taking a spin on plasma space tornadoes with NASA observations
New NASA mission results show that tornado-like swirls of space plasma create tumultuous boundaries in the near-Earth environment, letting dangerous high-energy particles slip into near Earth space. (2017-11-17)

Cloudy with a chance of radiation: NASA studies simulated radiation
NASA's Human Research Program (HRP) is simulating space radiation on Earth following upgrades to the NASA Space Radiation Laboratory (NSRL) at the US Department of Energy's Brookhaven National Laboratory. These upgrades help researchers on Earth learn more about the effects of ionizing space radiation to keep astronauts safe on a journey to Mars. (2017-06-13)

NASA's newly rediscovered IMAGE mission provided key aurora research
A long-lost NASA satellite, IMAGE, has recently been rediscovered. The mission's nearly six years in operation provided robust research about the space around Earth that continue to guide science to this day. (2018-02-02)

Visualization of regions of electromagnetic wave-plasma interactions surrounding the Earth
The researchers investigated wave-particle interactions between energetic electrons and chorus waves evolving in the space surrounding the Earth, using the scientific satellite Arase and, simultaneously, transient auroral flashes by the ground-based global observation network. The investigation visualized asymmetric spatial development of wave-particle interaction regions on the order of sub-seconds. This is expected to contribute to the safe and secure exploration of space, e.g., by establishing hazard maps of the space electromagnetic environment. (2019-02-04)

NASA spacecraft discovers new magnetic process in turbulent space
Explorations in Earth's space environment by NASA's Magnetospheric Multiscale spacecraft have discovered a surprising new magnetic event in turbulent plasma. (2018-05-09)

Team led by graduate student at PPPL produces unique simulation of magnetic reconnection
There is a new application of the fluid model to reconnection in space plasmas. (2017-09-08)

NASA's Magnetospheric Multiscale Mission locates elusive electron act
New NASA research helps improve our understanding of how electrons move through the complex region around Earth -- information that will help untangle how such particle acrobatics affect the planet. (2018-01-03)

Experiments at PPPL show remarkable agreement with satellite sightings
Feature describes striking similarity of laboratory research findings with observations of the four-satellite Magnetospheric Multiscale Mission that studies magnetic reconnection in space. (2018-12-07)

Scientists solve 30-year-old aurora borealis mystery
UCLA space scientists have identified the mechanism that triggers substorms in space; wreaks havoc on satellites, power grids and communications systems; and leads to the explosive release of energy that causes the spectacular brightening of the aurora borealis, also known as the Northern Lights. (2008-07-24)

Dance of auroras
The shower of electrons bouncing across Earth's magnetosphere -- commonly known as the Northern Lights -- has been directly observed for the first time by an international team of scientists. While the cause of these colorful auroras has long been hypothesized, researchers had never directly observed the underlying mechanism until now. (2018-02-14)

NASA spacecraft finds new type of magnetic explosion
Four NASA spacecraft have observed magnetic reconnection in a turbulent region of the Earth's outer atmosphere known as the magnetosheath, the planet's first line of defense against the intensity of the solar wind. The new insights could help us understand how such phenomena affect Earth's atmosphere because of the potential impact on astronauts in space, satellites and electrical power industries. (2018-05-09)

Satellite measurements of the Earth's magnetosphere promise better space weather forecasts
A Japan-based research team led by Kanazawa University equipped the Arase satellite with sensors to study the convoluted interactions between high-energy particles in the inner magnetosphere and the Earth's electric and magnetic field. They have collected their first set of data from the satellite and from ground-based sensors, which they will soon analyze. Their approach promises to provide better predictions of harmful bursts of high-energy particles from the magnetosphere. (2018-08-09)

Scientists deepen understanding of magnetic fields surrounding Earth and other planets
Now, a team of scientists has completed research into waves that travel through the magnetosphere, deepening understanding of the region and its interaction with our own planet, and opening up new ways to study other planets across the galaxy. (2019-07-12)

Space weather events linked to human activity
Human activities, like nuclear tests and radio transmissions, have been changing near-Earth space and weather, and have created artificial radiation belts, damaged satellites and induced auroras. (2017-05-17)

Radiation Belts Around Earth Adversly Affecting Satellites
Much of the energetic electron activity in Earth's radiation belts, once thought to be generated by the sun and solar wind, actually is accelerated to light-speed by Earth's own magnetic shell, creating periodic havoc with satellites. (1998-12-07)

Giant particle accelerator in the sky
A new study led by researchers from GFZ German Research Centre for Geosciences shows that electrons in the radiation belts can be accelerated to very high speeds locally. The study shows that magnetosphere works as a very efficient particle accelerator speeding up electrons to so-called ultra-relativistic energies. (2020-09-10)

Reconnection tames the turbulent magnetic fields around Earth
Wherever magnetic fields occur in the cosmos, their field lines tend to cross and reconnect, spitting out charged particles. To date, space scientists have studied these short circuits in the near-Earth environment, but only in rather calm regions of the magnetosphere. Now scientists led by Tai Phan at UC Berkeley have seen how turbulent magnetic fields reconnect in the much more violent magnetosheath. While normal reconnection generates ion jets, turbulent reconnection creates electron jets. (2018-05-09)

Finding a killer electron hot spot in Earth's Van Allen radiation belts
JAXA and NASA satellite observations show where killer electrons are generated in the Van Allen radiation belts surrounding Earth. (2019-12-13)

FAST reveals mystery of fast radio bursts from the universe
The Five-hundred-meter Aperture Spherical Radio Telescope (FAST) has revealed some mystery of the fast radio bursts, according to a study published in Nature on Oct. 28. (2020-11-04)

Auroras unlock the physics of energetic processes in space
A close study of auroras has revealed new ways of understanding the physics of explosive energy releases in space, according to new UCL-led research. (2018-11-15)

Unraveling the nature of 'whistlers' from space in the lab
Scientists at the University of California, Los Angeles present research on a curious cosmic phenomenon known as 'whistlers' -- very low frequency packets of radio waves that race along magnetic field lines. Appearing in the Physics of Plasmas, the study provides new insights into the nature of whistlers and space plasmas and could one day aid in the development of practical plasma technologies with magnetic fields, including spacecraft thrusters that use charged particles as fuel. (2018-08-14)

SwRI scientists map magnetic reconnection in Earth's magnetotail
Analyzing data from NASA's Magnetospheric Multiscale (MMS) mission, a team led by Southwest Research Institute (SwRI) has found that the small regions in the Earth's magnetosphere that energize the polar aurora are remarkably calm and nonturbulent. (2018-11-15)

In solar system's symphony, Earth's magnetic field drops the beat
Inside Earth's magnetic bubble, scientists have long been listening in on space sounds created by various electromagnetic waves, and now they've found one that booms like a drum. (2019-02-12)

Old data, new tricks: Fresh results from NASA's Galileo spacecraft 20 years on
Newly analyzed data from the Galileo spacecraft's flybys of one of Jupiter's moons two decades ago is yielding fresh insights: the magnetic field around the moon Ganymede makes it unlike any other in the solar system. (2018-04-30)

Ultra-hot gas around remnants of sun-like stars
Solving a decades-old mystery, an international team of astronomers have discovered an extremely hot magnetosphere around a white dwarf, a remnant of a star like our sun. The work was led by Dr. Nicole Reindl, Research Fellow of the Royal Commission 1851, based at the University of Leicester, and is published today in the journal Monthly Notices of the Royal Astronomical Society. (2018-11-06)

Russian and Georgian universities unite to study properties of solitons
Dr. Belashov explains, (2018-06-05)

This Week from AGU: Weak solar activity could expose aircrews to higher radiation
Impending weak solar activity could expose aircrews to higher radiation levels. (2017-04-05)

Ionosphere plasma experiments reviewed in a new Kazan University publication
There are only a few so-called 'heaters' in the world -- special facilities which create artificial plasma processes in the upper atmosphere by heating them. (2018-12-13)

Alternating currents cause Jupiter's aurora
An international research team has measured the system of currents that generates Jupiter's aurora. The scientists found out that sulphur dioxide gas from the gas giant's Moon Io is the cause of the system of currents. (2019-07-11)

Insights into the physics of space weather that disrupts cell phones and creates Earthly havoc
The volatile 'solar wind' buffets the magnetosphere, the magnetic field that surrounds the Earth, and can whip up geomagnetic storms that disrupt cell phone service, damage satellites and blackout power grids. Precise predictions of such outbursts could prompt measures to cope with them, just as forecasts here on Earth warn of approaching hurricanes and thunderstorms. (2014-10-28)

No longer whistling in the dark: Scientists uncover source of perplexing waves
Using data from a NASA four-satellite mission that is studying reconnection, scientists have developed a method for identifying the source of waves that help satellites determine their location in space. (2018-09-25)

UM researcher, NASA team discover how water escapes from Saturn
A University of Montana professor who studies astrophysics has discovered how water ions escape from Saturn's environment. His findings recently were published in the journal Nature Physics. (2015-12-03)

X-ray pulsars fade as propeller effect sets in
MIPT's scientists were part of an international team of astrophysicists that used NASA's X-ray space telescope to make a first-ever observation of the transition of two brightest pulsars into a low X-ray emission mode. By measuring their threshold luminosity just before they 'blacked out,' the team obtained indispensable data that furthers our understanding of the formation and evolution of pulsars with their immensely strong magnetic fields that can never be studied in an Earth-based laboratory. (2016-11-17)

Solar storms trigger Jupiter's 'Northern Lights'
Solar storms trigger Jupiter's intense 'Northern Lights' by generating a new X-ray aurora that is eight times brighter than normal and hundreds of times more energetic than Earth's aurora borealis, finds new UCL-led research using NASA's Chandra X-Ray Observatory. (2016-03-22)

Probability of catastrophic geomagnetic storm lower than estimated
According to a group of mathematics researchers, the probability in the following decade of the sun causing a storm strong enough to affect electrical and communication infrastructures around the globe 'only' reaches 1.9 percent maximum. Nevertheless, the event would produce severe consequences and governments should be prepared, researchers warn. (2019-03-12)

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