Risks of solar storms may be underestimated warn researchers

The effects of extreme space weather may be larger than previously thought reveals research in Nature led by Dr Nithin Sivadas of NASA’s Goddard Space Flight Center. An example of space weather are extreme geomagnetic storms which are temporary disturbances in the plasma and magnetic field around the Earth causing disruptions in global satellite communication, extensive power outages, and even how much radiation astronauts and pilots are exposed to. The team found evidence from more than a million solar wind measurements taken by Earth-orbiting NASA spacecraft, very close to our planet. Analysis of these observations showed a direct relationship between the strength of the solar wind and the currents in the upper atmosphere, suggesting there is no upper limit but rather Earth’s response will continue to increase along with the solar wind strength, and impacts to technology can increase as well.

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