The region of space dominated by Earth's magnetic field is the magnetosphere. Observations have shown that, within this region, an electric force acts from the morning side to the evening side as seen ...

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A powerful geomagnetic storm recently compressed Earth’s outer plasma shield so dramatically that satellites found themselves flying through a region of space that is usually safely above the planet’s ...

NASA invites the public to join the Space Umbrella project, analyzing MMS data to study magnetic reconnection and solar wind ...

The presence of heavy ions in Earth’s magnetosphere alters the mass loading of the plasma, affects wave generation and propagation, and impacts the formation and transport of other energetic ion ...