Citizen scientists found a pure sine wave hiding in Earth's magetosphere during a severe geomagnetic storm

Space Weather News for Nov. 15, 2024
https://spaceweather.com
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A PURE SINE WAVE IN EARTH'S MAGNETIC FIELD: Earth's magnetic field did something unusual on Oct. 10th. During one of the biggest geomagnetic storms of

the current solar cycle, a pure sine wave rippled through the magnetosphere, hiding in the riot of the storm. A citizen scientist in England recorded the phenomenon using a DIY magnetometer.

Full story @ Spaceweather.com (https://spaceweather.com) .

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