A survey of high-speed electron flow observed by NASA satellites in the Earth’s magnetotail is presented and related to the process of magnetic field line reconnection and particle acceleration.
magnetic fields & magnetism
Posted inEditors' Highlights
Remagnetization Illuminates Tectonic Consolidation of Megacontinents
New rock and paleomagnetic research give evidence for prolonged heating during the Cambrian-Ordovician tectonic consolidation of West Gondwanaland.
Posted inEditors' Highlights
Explaining Mars’ Mysteriously Magnetic Crust
Fluid-rock interactions on ancient Mars may have produced abundant magnetic minerals that preserved unusually intense records of the planet’s now-extinct magnetic field.
Posted inEditors' Highlights
Heating Mechanism at Earth’s Bow Shock Depends on Shock Speed
A new technique shows that the dominance of gradual versus chaotic electron heating processes at Earth’s bow shock is controlled by how fast the shock is moving.
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Magma Beneath Yellowstone Is Shifting Northeast
Though the volcano’s magma chambers could hold enough material for a caldera-forming event, none of them are likely to erupt soon.
Posted inEditors' Highlights
Wave-Modulated Electron Loss Affects GPS Location Determination
Earth’s magnetosphere controls ionospheric total electron content modulation via plasma wave-induced electron loss impacting GPS spatial location determination.
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New Empirical Model of the Flux in the Magnetosheath
A new study presents a model that reconstructs the plasma flux in the Earth’s magnetosheath.
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Watching a Solar Event from All Angles
A fleet of spacecraft captured unprecedented details of the major solar outbursts in May and June 2024.
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Magnetic Meteorites May Explain How the Solar System Assembled
Faint magnetic properties in primitive asteroid fragments suggest an early magnetic field strong enough to shepherd the growth of the outer planets.
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Straightening Out Uranus’s Magnetosphere
New analysis of Voyager 2 observations shows that the craft arrived amid gusty solar wind, muddying our ideas about the giant planet.