The European Space Agency’s Swarm mission detected an unexpected spike in high-energy protons over Earth’s poles during a geomagnetic storm in November. This temporary surge in proton levels, though ...
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Earth was just hit by the strongest solar radiation storm in over 20 years — here's what it means
While a severe G4 geomagnetic storm impressed skywatchers with vivid auroras around the world this week, a far less visible, but historically significant, space weather event was also underway. On ...
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