Probing rare hot plasma flows in the upper atmosphere

Near Earth's poles, observers of the night sky often behold aurorae, colorful light shows in the upper atmosphere caused by interactions between the solar wind and our planet's magnetosphere. A little closer to the equator, ...

Scientists report 'benchmarks' for extreme space weather

High-energy 'relativistic' electrons—so-called "killer" electrons—are a major source of radiation damage to satellites and so understanding their patterns of activity is crucial. Bursts of charged particles and magnetic ...

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